| 1 |
<?php |
| 2 |
if (!defined('ABSPATH')) { |
| 3 |
exit; |
| 4 |
} |
| 5 |
|
| 6 |
class MxChat_Integrator { |
| 7 |
private $options; |
| 8 |
private $prompts_options; |
| 9 |
private $chat_count; |
| 10 |
private $fallbackResponse; |
| 11 |
private $productCardHtml; |
| 12 |
// plan-mxchat-20260717-03ba33 — consent-safe YouTube embed queued during RAG |
| 13 |
// retrieval when a video-backed KB entry is used as context. Emitted on the |
| 14 |
// response 'html' channel alongside productCardHtml (non-streaming path, |
| 15 |
// same constraint as product cards). |
| 16 |
private $videoEmbedHtml = ''; |
| 17 |
// plan-mxchat-20260617-48a57a — function-calling UI payload capture. When a |
| 18 |
// model-invoked tool yields a UI element (generated image, woo product card, |
| 19 |
// image-search gallery), the FC loop stashes its html here so the FC outcome |
| 20 |
// handler can SURFACE it to the frontend the same way the intent path does, |
| 21 |
// instead of stripping it to text for the model (the bug: UI-bearing actions |
| 22 |
// rendered nothing under function calling). |
| 23 |
private $fc_ui_html = ''; |
| 24 |
private $fc_ui_images = array(); |
| 25 |
private $fc_ui_captured = false; |
| 26 |
// plan-mxchat-20260722-59bc1b — {context} placeholder support. When the |
| 27 |
// owner's system instructions carry {context}, the assembled KB block is |
| 28 |
// stashed here (instead of being appended to $context_content) and |
| 29 |
// get_system_instructions() injects it at the token's position. Null until |
| 30 |
// the per-turn KB assembly has run — the early URL-extraction call to |
| 31 |
// get_system_instructions() must NOT consume the token. |
| 32 |
private $context_kb_block = null; |
| 33 |
private $word_handler; |
| 34 |
private $last_similarity_analysis = null; |
| 35 |
private $current_valid_urls = []; |
| 36 |
private $last_vectorstore_error = null; |
| 37 |
private $is_streaming = false; // ADDED: Track if current request is streaming |
| 38 |
private $streaming_headers_sent = false; // Track if streaming headers have been sent |
| 39 |
private $pending_originating_page = null; // Originating page captured at session start, consumed on row insert |
| 40 |
private $current_action_instruction = null; // Success-message instruction injected into the next system context |
| 41 |
private $last_action_analysis = null; // Last action-match analysis for testing_data payloads |
| 42 |
|
| 43 |
/** |
| 44 |
* Setup streaming headers - call this right before actually streaming |
| 45 |
* This delays header setup to allow actions/forms to return JSON responses |
| 46 |
*/ |
| 47 |
/** |
| 48 |
* Auto-retry wrapper around wp_remote_post for chat-send provider calls. |
| 49 |
* |
| 50 |
* Retries up to twice (750ms then 2000ms backoff) when the upstream provider |
| 51 |
* returns a TRANSIENT error: WP timeout, 429, 502, 503, 504, or a provider- |
| 52 |
* specific "overloaded" / "rate limit" body string. Returns immediately on |
| 53 |
* permanent errors (401/403/404/422) so misconfiguration surfaces fast. |
| 54 |
* |
| 55 |
* Drop-in replacement for wp_remote_post — returns the same shape |
| 56 |
* (WP_Error or response array) so the caller's existing error-handling |
| 57 |
* code path is unchanged. |
| 58 |
* |
| 59 |
* STREAMING PATH NOTE: this helper is ONLY for non-streaming chat-send |
| 60 |
* paths (the *_response_openai / *_response_claude / etc functions). |
| 61 |
* For the *_stream variants, the cURL initial-connect happens inside a |
| 62 |
* read-chunks loop — retrying there safely (without re-emitting partial |
| 63 |
* stream chunks to the client) is a separate problem. Streaming paths |
| 64 |
* are NOT wrapped in this build; tracked as a follow-on. |
| 65 |
* |
| 66 |
* Honors the `mxchat_options['auto_retry_on_transient_error']` toggle |
| 67 |
* (default true). When false, behavior is identical to plain wp_remote_post. |
| 68 |
*/ |
| 69 |
private function mxchat_provider_call_with_retry($url, $args, $provider_hint = '') { |
| 70 |
$opts = is_array($this->options ?? null) ? $this->options : array(); |
| 71 |
$enabled = !isset($opts['auto_retry_on_transient_error']) || |
| 72 |
(string) $opts['auto_retry_on_transient_error'] !== '0'; |
| 73 |
|
| 74 |
if (!$enabled) { |
| 75 |
return wp_remote_post($url, $args); |
| 76 |
} |
| 77 |
|
| 78 |
$backoffs = array(0, 750, 2000); // ms — first attempt 0, then retry waits |
| 79 |
$last_response = null; |
| 80 |
|
| 81 |
foreach ($backoffs as $i => $delay_ms) { |
| 82 |
if ($delay_ms > 0) { |
| 83 |
usleep($delay_ms * 1000); |
| 84 |
} |
| 85 |
$response = wp_remote_post($url, $args); |
| 86 |
$last_response = $response; |
| 87 |
|
| 88 |
if (!$this->mxchat_is_transient_provider_error($response, $provider_hint)) { |
| 89 |
return $response; |
| 90 |
} |
| 91 |
|
| 92 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 93 |
$code_for_log = is_wp_error($response) ? 'wp_error:' . $response->get_error_code() |
| 94 |
: (int) wp_remote_retrieve_response_code($response); |
| 95 |
error_log(sprintf( |
| 96 |
'[MxChat] Transient provider error (provider=%s, attempt=%d/3, status=%s). %s', |
| 97 |
$provider_hint ?: 'unknown', |
| 98 |
$i + 1, |
| 99 |
$code_for_log, |
| 100 |
($i + 1) < count($backoffs) ? 'Retrying.' : 'Giving up.' |
| 101 |
)); |
| 102 |
} |
| 103 |
} |
| 104 |
|
| 105 |
return $last_response; |
| 106 |
} |
| 107 |
|
| 108 |
/** |
| 109 |
* Returns true if a wp_remote_post response represents a TRANSIENT |
| 110 |
* provider error worth retrying. Conservative — only retries on signals |
| 111 |
* that are very likely to clear within a few seconds. |
| 112 |
* |
| 113 |
* Transient signals: |
| 114 |
* - WP_Error with timeout / connection / dns / ssl |
| 115 |
* - HTTP 429, 502, 503, 504 |
| 116 |
* - Provider-specific overload bodies (gemini "overloaded", openai |
| 117 |
* "server_error", anthropic "overloaded_error", xai/grok "Rate limit") |
| 118 |
* |
| 119 |
* NOT transient (return false — fail-fast): |
| 120 |
* - 200/2xx (success) |
| 121 |
* - 401, 403, 404, 422 (auth / config errors — retrying wastes the |
| 122 |
* budget; the user needs to fix something) |
| 123 |
* - Any other 4xx (assume permanent unless explicitly listed above) |
| 124 |
* - 5xx other than the four listed above (e.g. 500 generic server error |
| 125 |
* is often a malformed request on our side, not a transient outage) |
| 126 |
*/ |
| 127 |
private function mxchat_is_transient_provider_error($response, $provider_hint = '') { |
| 128 |
if (is_wp_error($response)) { |
| 129 |
$code = $response->get_error_code(); |
| 130 |
return in_array($code, array('http_request_failed', 'connection_failed', 'connection_timeout'), true) |
| 131 |
|| stripos((string) $response->get_error_message(), 'timed out') !== false |
| 132 |
|| stripos((string) $response->get_error_message(), 'timeout') !== false; |
| 133 |
} |
| 134 |
|
| 135 |
$status = (int) wp_remote_retrieve_response_code($response); |
| 136 |
if (in_array($status, array(429, 502, 503, 504), true)) { |
| 137 |
return true; |
| 138 |
} |
| 139 |
if ($status >= 200 && $status < 300) { |
| 140 |
return false; |
| 141 |
} |
| 142 |
// Permanent 4xx that should fail fast — even with no body. |
| 143 |
if (in_array($status, array(401, 403, 404, 405, 422), true)) { |
| 144 |
return false; |
| 145 |
} |
| 146 |
|
| 147 |
// Provider-specific body inspection for the cases where the upstream |
| 148 |
// returns 200 with an error envelope (gemini does this for overload). |
| 149 |
$body = (string) wp_remote_retrieve_body($response); |
| 150 |
if ($body === '') { |
| 151 |
return false; |
| 152 |
} |
| 153 |
$lower = strtolower($body); |
| 154 |
$hint = strtolower((string) $provider_hint); |
| 155 |
|
| 156 |
if ($hint === 'gemini' && (strpos($lower, 'overloaded') !== false |
| 157 |
|| strpos($lower, 'high demand') !== false |
| 158 |
|| strpos($lower, 'model is overloaded') !== false)) { |
| 159 |
return true; |
| 160 |
} |
| 161 |
if ($hint === 'openai' && (strpos($lower, 'rate limit reached') !== false |
| 162 |
|| strpos($lower, '"type":"server_error"') !== false |
| 163 |
|| strpos($lower, '"code":"server_error"') !== false)) { |
| 164 |
return true; |
| 165 |
} |
| 166 |
if ($hint === 'anthropic' && (strpos($lower, '"type":"overloaded_error"') !== false |
| 167 |
|| strpos($lower, 'overloaded_error') !== false)) { |
| 168 |
return true; |
| 169 |
} |
| 170 |
if (($hint === 'xai' || $hint === 'grok') && strpos($lower, 'rate limit') !== false) { |
| 171 |
return true; |
| 172 |
} |
| 173 |
|
| 174 |
return false; |
| 175 |
} |
| 176 |
|
| 177 |
/** |
| 178 |
* Streaming-path classifier: same rules as mxchat_is_transient_provider_error |
| 179 |
* but takes a raw (http_code, body, provider_hint, curl_errno) tuple as |
| 180 |
* captured during a cURL streaming exec. cURL's WRITEFUNCTION/HEADERFUNCTION |
| 181 |
* collect status separately from a plain wp_remote_post array shape, so the |
| 182 |
* non-streaming helper above can't be called directly. This delegate keeps |
| 183 |
* the classification rules identical across both paths. |
| 184 |
*/ |
| 185 |
private function mxchat_is_transient_provider_error_raw($http_code, $body, $provider_hint = '', $curl_errno = 0) { |
| 186 |
if ($curl_errno) { |
| 187 |
// cURL transport-level error (timeout, connection failure, DNS, etc.) |
| 188 |
// Match the same WP_Error timeout/connection signals the array variant treats as transient. |
| 189 |
return in_array($curl_errno, array( |
| 190 |
CURLE_OPERATION_TIMEDOUT, |
| 191 |
CURLE_COULDNT_CONNECT, |
| 192 |
CURLE_COULDNT_RESOLVE_HOST, |
| 193 |
CURLE_SSL_CONNECT_ERROR, |
| 194 |
CURLE_GOT_NOTHING, |
| 195 |
CURLE_SEND_ERROR, |
| 196 |
CURLE_RECV_ERROR, |
| 197 |
), true); |
| 198 |
} |
| 199 |
|
| 200 |
$status = (int) $http_code; |
| 201 |
if (in_array($status, array(429, 502, 503, 504), true)) { |
| 202 |
return true; |
| 203 |
} |
| 204 |
if ($status >= 200 && $status < 300) { |
| 205 |
return false; |
| 206 |
} |
| 207 |
if (in_array($status, array(401, 403, 404, 405, 422), true)) { |
| 208 |
return false; |
| 209 |
} |
| 210 |
|
| 211 |
$body = (string) $body; |
| 212 |
if ($body === '') { |
| 213 |
return false; |
| 214 |
} |
| 215 |
$lower = strtolower($body); |
| 216 |
$hint = strtolower((string) $provider_hint); |
| 217 |
|
| 218 |
if ($hint === 'gemini' && (strpos($lower, 'overloaded') !== false |
| 219 |
|| strpos($lower, 'high demand') !== false |
| 220 |
|| strpos($lower, 'model is overloaded') !== false)) { |
| 221 |
return true; |
| 222 |
} |
| 223 |
if ($hint === 'openai' && (strpos($lower, 'rate limit reached') !== false |
| 224 |
|| strpos($lower, '"type":"server_error"') !== false |
| 225 |
|| strpos($lower, '"code":"server_error"') !== false)) { |
| 226 |
return true; |
| 227 |
} |
| 228 |
if ($hint === 'anthropic' && (strpos($lower, '"type":"overloaded_error"') !== false |
| 229 |
|| strpos($lower, 'overloaded_error') !== false)) { |
| 230 |
return true; |
| 231 |
} |
| 232 |
if (($hint === 'xai' || $hint === 'grok') && strpos($lower, 'rate limit') !== false) { |
| 233 |
return true; |
| 234 |
} |
| 235 |
|
| 236 |
return false; |
| 237 |
} |
| 238 |
|
| 239 |
/** |
| 240 |
* Whether transient-error auto-retry is enabled in admin settings. |
| 241 |
* Default true unless explicitly set to '0'. Used by both wp_remote_post |
| 242 |
* (mxchat_provider_call_with_retry) and cURL streaming paths. |
| 243 |
*/ |
| 244 |
private function mxchat_retry_enabled() { |
| 245 |
$opts = is_array($this->options ?? null) ? $this->options : array(); |
| 246 |
return !isset($opts['auto_retry_on_transient_error']) || |
| 247 |
(string) $opts['auto_retry_on_transient_error'] !== '0'; |
| 248 |
} |
| 249 |
|
| 250 |
private function setup_streaming_headers() { |
| 251 |
if ($this->streaming_headers_sent || headers_sent()) { |
| 252 |
return false; |
| 253 |
} |
| 254 |
|
| 255 |
// Headers MUST be set BEFORE the buffers are torn down: flushing a |
| 256 |
// buffer that holds any stray output commits the response and turns |
| 257 |
// every later header() into a logged no-op — dropping all four SSE |
| 258 |
// headers, including the X-Accel-Buffering that stops nginx-fronted |
| 259 |
// hosts from de-streaming the reply (plan fe130d). |
| 260 |
header('Content-Type: text/event-stream'); |
| 261 |
header('Cache-Control: no-cache'); |
| 262 |
header('Connection: keep-alive'); |
| 263 |
header('X-Accel-Buffering: no'); |
| 264 |
|
| 265 |
// Dev-mode diagnostic: with the reorder, stray buffered bytes become |
| 266 |
// the first bytes of the SSE stream — record what they are so a future |
| 267 |
// switch to ob_end_clean() can be decided on evidence (fe130d follow-up). |
| 268 |
if (defined('MXCHAT_DEV_MODE') && MXCHAT_DEV_MODE && ob_get_level() > 0) { |
| 269 |
$buffered = ob_get_contents(); |
| 270 |
if (is_string($buffered) && $buffered !== '') { |
| 271 |
error_log('MxChat SSE teardown: output buffer held ' . strlen($buffered) . ' byte(s): ' . substr($buffered, 0, 200)); |
| 272 |
} |
| 273 |
} |
| 274 |
|
| 275 |
// Disable output buffering |
| 276 |
while (ob_get_level()) { |
| 277 |
ob_end_flush(); |
| 278 |
} |
| 279 |
|
| 280 |
ob_implicit_flush(true); |
| 281 |
flush(); |
| 282 |
|
| 283 |
$this->streaming_headers_sent = true; |
| 284 |
return true; |
| 285 |
} |
| 286 |
|
| 287 |
/** |
| 288 |
* Class constructor |
| 289 |
*/ |
| 290 |
public function __construct() { |
| 291 |
$this->options = get_option('mxchat_options'); |
| 292 |
$this->prompts_options = get_option('mxchat_prompts_options', array()); |
| 293 |
$this->chat_count = get_option('mxchat_chat_count', 0); |
| 294 |
$this->word_handler = new MXChat_Word_Handler($this->options); |
| 295 |
|
| 296 |
// Add all action hooks |
| 297 |
add_action('wp_enqueue_scripts', array($this, 'mxchat_enqueue_scripts_styles')); |
| 298 |
add_action('wp_ajax_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request')); |
| 299 |
add_action('wp_ajax_nopriv_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request')); |
| 300 |
add_action('wp_ajax_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message')); |
| 301 |
add_action('wp_ajax_nopriv_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message')); |
| 302 |
|
| 303 |
// Add the AJAX actions for checking if the pre-chat message was dismissed |
| 304 |
add_action('wp_ajax_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status')); |
| 305 |
add_action('wp_ajax_nopriv_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status')); |
| 306 |
add_action('wp_ajax_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']); |
| 307 |
add_action('wp_ajax_nopriv_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']); |
| 308 |
add_action('wp_ajax_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']); |
| 309 |
add_action('wp_ajax_nopriv_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']); |
| 310 |
|
| 311 |
// Add REST API routes registration |
| 312 |
add_action('rest_api_init', array($this, 'register_routes')); |
| 313 |
add_action('wp_ajax_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages')); |
| 314 |
add_action('wp_ajax_nopriv_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages')); |
| 315 |
|
| 316 |
// Rate limit action - notice we removed the old schedule setup |
| 317 |
add_action('mxchat_reset_rate_limits', array($this, 'mxchat_reset_rate_limits')); |
| 318 |
|
| 319 |
// Self-heal: if the reset event is ever lost (cron row cleared, botched |
| 320 |
// migration, deactivate/reactivate race), an admin-context request brings it |
| 321 |
// back. Cheap by construction: 60s transient guard + early return when the |
| 322 |
// event is already scheduled. Without this, a lost event with the fallback |
| 323 |
// flag unset leaves visitors rate-limited forever. |
| 324 |
add_action('admin_init', array($this, 'setup_rate_limit_cron_jobs')); |
| 325 |
|
| 326 |
// File upload and handling actions |
| 327 |
add_action('wp_ajax_mxchat_upload_pdf', [$this, 'handle_pdf_upload']); |
| 328 |
add_action('wp_ajax_nopriv_mxchat_upload_pdf', [$this, 'handle_pdf_upload']); |
| 329 |
add_action('wp_ajax_mxchat_remove_pdf', [$this, 'handle_pdf_remove']); |
| 330 |
add_action('wp_ajax_nopriv_mxchat_remove_pdf', [$this, 'handle_pdf_remove']); |
| 331 |
|
| 332 |
// Word document handling actions |
| 333 |
add_action('wp_ajax_mxchat_upload_word', array($this, 'mxchat_handle_word_upload')); |
| 334 |
add_action('wp_ajax_nopriv_mxchat_upload_word', array($this, 'mxchat_handle_word_upload')); |
| 335 |
add_action('wp_ajax_mxchat_remove_word', array($this, 'mxchat_handle_word_remove')); |
| 336 |
add_action('wp_ajax_nopriv_mxchat_remove_word', array($this, 'mxchat_handle_word_remove')); |
| 337 |
add_action('wp_ajax_mxchat_check_word_status', array($this, 'mxchat_check_word_status')); |
| 338 |
add_action('wp_ajax_nopriv_mxchat_check_word_status', array($this, 'mxchat_check_word_status')); |
| 339 |
|
| 340 |
// Email handling actions |
| 341 |
add_action('wp_ajax_nopriv_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']); |
| 342 |
add_action('wp_ajax_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']); |
| 343 |
add_action('wp_ajax_nopriv_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']); |
| 344 |
add_action('wp_ajax_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']); |
| 345 |
|
| 346 |
add_action('wp_ajax_mxchat_stream_chat', array($this, 'mxchat_handle_chat_request')); |
| 347 |
add_action('wp_ajax_nopriv_mxchat_stream_chat', array($this, 'mxchat_handle_chat_request')); |
| 348 |
|
| 349 |
// Testing panel AJAX actions |
| 350 |
add_action('wp_ajax_mxchat_get_system_info', array($this, 'mxchat_get_system_info')); |
| 351 |
add_action('wp_ajax_mxchat_get_similarity_threshold', array($this, 'mxchat_get_similarity_threshold')); |
| 352 |
add_action('wp_ajax_mxchat_get_kb_status', array($this, 'mxchat_get_kb_status')); |
| 353 |
add_action('wp_ajax_mxchat_start_fresh_session', array($this, 'mxchat_start_fresh_session')); |
| 354 |
// Add to your existing constructor, in the section with other AJAX actions: |
| 355 |
add_action('wp_ajax_mxchat_track_url_click', array($this, 'mxchat_track_url_click')); |
| 356 |
add_action('wp_ajax_nopriv_mxchat_track_url_click', array($this, 'mxchat_track_url_click')); |
| 357 |
add_action('wp_ajax_mxchat_track_originating_page', array($this, 'mxchat_track_originating_page')); |
| 358 |
add_action('wp_ajax_nopriv_mxchat_track_originating_page', array($this, 'mxchat_track_originating_page')); |
| 359 |
// Add chat mode checking actions |
| 360 |
add_action('wp_ajax_mxchat_get_current_chat_mode', array($this, 'mxchat_get_current_chat_mode')); |
| 361 |
add_action('wp_ajax_nopriv_mxchat_get_current_chat_mode', array($this, 'mxchat_get_current_chat_mode')); |
| 362 |
|
| 363 |
// Nonce refresh for page-cache compatibility (WP Rocket, LiteSpeed, etc.) |
| 364 |
add_action('wp_ajax_mxchat_refresh_nonce', array($this, 'mxchat_refresh_nonce')); |
| 365 |
add_action('wp_ajax_nopriv_mxchat_refresh_nonce', array($this, 'mxchat_refresh_nonce')); |
| 366 |
|
| 367 |
// Auto-email transcript action |
| 368 |
add_action('mxchat_send_delayed_transcript', array($this, 'mxchat_send_delayed_transcript'), 10, 1); |
| 369 |
|
| 370 |
add_filter('mxchat_check_actions_only', array($this, 'check_actions_for_addons'), 10, 4); |
| 371 |
|
| 372 |
|
| 373 |
} |
| 374 |
|
| 375 |
/** |
| 376 |
* Return a fresh nonce so cached pages can replace the stale one. |
| 377 |
* With `with_settings`, also returns the current behavior-gate settings so |
| 378 |
* the widget can correct stale inline-localized values (plan-32db95). |
| 379 |
*/ |
| 380 |
public function mxchat_refresh_nonce() { |
| 381 |
nocache_headers(); |
| 382 |
$payload = array('nonce' => wp_create_nonce('mxchat_chat_nonce')); |
| 383 |
if (!empty($_REQUEST['with_settings'])) { |
| 384 |
$payload['settings'] = $this->get_dynamic_widget_settings(true); |
| 385 |
} |
| 386 |
wp_send_json_success($payload); |
| 387 |
} |
| 388 |
|
| 389 |
/** |
| 390 |
* Behavior-gate settings the widget may re-fetch at runtime (plan-32db95). |
| 391 |
* |
| 392 |
* Every widget setting ships inline in page HTML via wp_localize_script, so |
| 393 |
* full-page caches (host caches, WP Rocket, LiteSpeed, W3TC, FlyingPress, |
| 394 |
* WP Super Cache, Cloudflare APO, the browser itself) keep serving a stale |
| 395 |
* snapshot after an admin changes a setting. MxChat_Cache_Purge clears the |
| 396 |
* caches PHP can reach; this payload covers the rest — the widget requests |
| 397 |
* it on first open (via the nonce-refresh endpoints) and merges it over |
| 398 |
* `mxchatChat`, the same distrust-cached-HTML pattern the 3.2.7 per-request |
| 399 |
* nonce uses. |
| 400 |
* |
| 401 |
* Behavior gates + labels ONLY — colors stay inline because they're also |
| 402 |
* server-inline-styled, and a runtime swap would visibly flash. |
| 403 |
* |
| 404 |
* Both wp_localize_script blocks merge this exact array, so the inline and |
| 405 |
* refreshed payloads cannot drift. |
| 406 |
* |
| 407 |
* @param bool $fresh Re-read mxchat_options from the DB (endpoint paths) |
| 408 |
* instead of trusting the instance copy. |
| 409 |
* @return array |
| 410 |
*/ |
| 411 |
public function get_dynamic_widget_settings($fresh = false) { |
| 412 |
$options = $fresh ? get_option('mxchat_options', array()) : $this->options; |
| 413 |
if (!is_array($options)) { |
| 414 |
$options = array(); |
| 415 |
} |
| 416 |
return array( |
| 417 |
'model' => isset($options['model']) ? $options['model'] : 'gpt-5.6-sol', |
| 418 |
'enable_streaming_toggle' => isset($options['enable_streaming_toggle']) ? $options['enable_streaming_toggle'] : 'on', |
| 419 |
'rate_limit_message' => $options['rate_limit_message'] ?? 'Rate limit exceeded. Please try again later.', |
| 420 |
'chat_toolbar_toggle' => $options['chat_toolbar_toggle'] ?? 'off', |
| 421 |
'print_button_enabled' => $options['print_button_enabled'] ?? 'on', |
| 422 |
'print_button_label' => esc_html__('Download Transcript', 'mxchat'), |
| 423 |
// "Start new chat" header-menu item (plan ac2e81). Default OFF. |
| 424 |
'reset_chat_enabled' => $options['reset_chat_enabled'] ?? 'off', |
| 425 |
'reset_chat_label' => !empty($options['reset_chat_label']) ? esc_html($options['reset_chat_label']) : esc_html__('Start new chat', 'mxchat'), |
| 426 |
'reset_chat_confirm' => esc_html__('Start a new chat? This clears the current conversation.', 'mxchat'), |
| 427 |
'stop_button_label' => esc_html__('Stop response', 'mxchat'), |
| 428 |
'print_header_title' => esc_html(get_bloginfo('name')) . ' — ' . esc_html__('Chat transcript', 'mxchat'), |
| 429 |
// Emit 'on'/'off' STRINGS, never booleans: wp_localize_script casts |
| 430 |
// scalars to string, and (string) false === '' — which the widget's |
| 431 |
// old gate read as enabled (plan-4bba64). The filter keeps its |
| 432 |
// boolean contract; only the emitted value is stringified. |
| 433 |
'satisfaction_rating_enabled' => apply_filters( |
| 434 |
'mxchat_satisfaction_rating_enabled', |
| 435 |
($options['satisfaction_rating_enabled'] ?? 'off') === 'on' |
| 436 |
) ? 'on' : 'off', |
| 437 |
'satisfaction_rating_idle_seconds' => max(5, min(600, intval($options['satisfaction_rating_idle_seconds'] ?? 60))), |
| 438 |
'satisfaction_rating_copy' => array( |
| 439 |
'question' => !empty($options['satisfaction_rating_question']) ? esc_html($options['satisfaction_rating_question']) : esc_html__('Was this helpful?', 'mxchat'), |
| 440 |
'helpful' => esc_html__('Helpful', 'mxchat'), |
| 441 |
'not_helpful' => esc_html__('Not helpful', 'mxchat'), |
| 442 |
'dismiss' => esc_html__('Dismiss', 'mxchat'), |
| 443 |
'thanks' => !empty($options['satisfaction_rating_thanks']) ? esc_html($options['satisfaction_rating_thanks']) : esc_html__('Thanks! Anything we should improve? (optional)', 'mxchat'), |
| 444 |
'placeholder' => !empty($options['satisfaction_rating_placeholder']) ? esc_html($options['satisfaction_rating_placeholder']) : esc_html__('Tell us what could be better…', 'mxchat'), |
| 445 |
'send' => esc_html__('Send', 'mxchat'), |
| 446 |
'skip' => esc_html__('Skip', 'mxchat'), |
| 447 |
'saved' => !empty($options['satisfaction_rating_saved']) ? esc_html($options['satisfaction_rating_saved']) : esc_html__('Thanks for the feedback.', 'mxchat'), |
| 448 |
), |
| 449 |
); |
| 450 |
} |
| 451 |
|
| 452 |
// In your core plugin's check_actions_for_addons method: |
| 453 |
public function check_actions_for_addons($default, $message, $user_id, $session_id) { |
| 454 |
//error_log('MxChat Core: check_actions_for_addons called with message: ' . $message); |
| 455 |
|
| 456 |
$result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id); |
| 457 |
|
| 458 |
//error_log('MxChat Core: Intent check result = ' . ($result === false ? 'false' : 'true')); |
| 459 |
|
| 460 |
return $result; |
| 461 |
} |
| 462 |
|
| 463 |
private function mxchat_increment_chat_count() { |
| 464 |
$chat_count = get_option('mxchat_chat_count', 0); |
| 465 |
$chat_count++; |
| 466 |
update_option('mxchat_chat_count', $chat_count); |
| 467 |
} |
| 468 |
|
| 469 |
function mxchat_fetch_conversation_history() { |
| 470 |
if (empty($_POST['session_id'])) { |
| 471 |
wp_send_json_error(['message' => esc_html__('Session ID missing.', 'mxchat')]); |
| 472 |
wp_die(); |
| 473 |
} |
| 474 |
|
| 475 |
$session_id = MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])); |
| 476 |
|
| 477 |
// SECURITY FIX: Verify session ownership before retrieving data |
| 478 |
// If IP/user changed, signal frontend to reset session instead of blocking |
| 479 |
$current_user_identifier = MxChat_User::mxchat_get_user_identifier(); |
| 480 |
|
| 481 |
// Check if this session has an owner recorded |
| 482 |
$session_owner = get_option("mxchat_session_owner_{$session_id}"); |
| 483 |
|
| 484 |
// Update session owner if it changed (e.g. IP changed due to network switch) |
| 485 |
// The session ID itself is the authentication — if the client has it, they own it |
| 486 |
if (!$session_owner || $session_owner !== $current_user_identifier) { |
| 487 |
update_option("mxchat_session_owner_{$session_id}", $current_user_identifier, 'no'); |
| 488 |
} |
| 489 |
|
| 490 |
$history = get_option("mxchat_history_{$session_id}", []); // Retrieve stored history |
| 491 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); // Get current chat mode |
| 492 |
|
| 493 |
if (empty($history)) { |
| 494 |
// Even if history is empty, return the chat mode |
| 495 |
wp_send_json_success([ |
| 496 |
'conversation' => [], |
| 497 |
'chat_mode' => $chat_mode |
| 498 |
]); |
| 499 |
wp_die(); |
| 500 |
} |
| 501 |
|
| 502 |
wp_send_json_success([ |
| 503 |
'conversation' => $history, |
| 504 |
'chat_mode' => $chat_mode |
| 505 |
]); |
| 506 |
wp_die(); |
| 507 |
} |
| 508 |
private function mxchat_fetch_conversation_history_for_ai($session_id, $session_start_timestamp = 0) { |
| 509 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 510 |
|
| 511 |
// Check persistence setting - when OFF, only include messages from current page load |
| 512 |
$options = get_option('mxchat_options', []); |
| 513 |
$persistence_enabled = isset($options['chat_persistence_toggle']) && $options['chat_persistence_toggle'] === 'on'; |
| 514 |
|
| 515 |
// Filter history when persistence is OFF to match what the user sees |
| 516 |
if (!$persistence_enabled && $session_start_timestamp > 0) { |
| 517 |
$history = array_filter($history, function($entry) use ($session_start_timestamp) { |
| 518 |
// Include messages from this page load onwards |
| 519 |
return isset($entry['timestamp']) && $entry['timestamp'] >= $session_start_timestamp; |
| 520 |
}); |
| 521 |
// Re-index array after filtering |
| 522 |
$history = array_values($history); |
| 523 |
} |
| 524 |
|
| 525 |
$formatted_history = []; |
| 526 |
|
| 527 |
// Adjusted for code-heavy conversations |
| 528 |
$max_tokens = 120000; // Context window size |
| 529 |
$reserved_tokens = 5000; // Space for system prompts + current query |
| 530 |
$current_token_count = 0; |
| 531 |
|
| 532 |
// Allowed HTML tags for content sanitization |
| 533 |
$allowed_tags = [ |
| 534 |
'pre' => ['class' => true], |
| 535 |
'code' => ['class' => true], |
| 536 |
'span' => ['class' => true], |
| 537 |
'div' => ['class' => true], |
| 538 |
'strong' => [], |
| 539 |
'em' => [] |
| 540 |
]; |
| 541 |
|
| 542 |
foreach (array_reverse($history) as $entry) { |
| 543 |
// Preserve code blocks while sanitizing other HTML |
| 544 |
$clean_content = wp_kses($entry['content'], $allowed_tags); |
| 545 |
|
| 546 |
// Detect code blocks in content |
| 547 |
$has_code = false; |
| 548 |
// Replace the HTML check with: |
| 549 |
// Allow messages that contain code blocks or are plain text |
| 550 |
if (strpos($clean_content, '<pre') === false && |
| 551 |
strpos($clean_content, '<code') === false && |
| 552 |
$clean_content !== strip_tags($entry['content'])) { |
| 553 |
continue; |
| 554 |
} |
| 555 |
|
| 556 |
// Skip entries that lost significant content during sanitization |
| 557 |
if (!$has_code && $clean_content !== strip_tags($entry['content'])) { |
| 558 |
continue; |
| 559 |
} |
| 560 |
|
| 561 |
// More accurate token estimation (1 token ≈ 4 characters) |
| 562 |
$token_estimate = ceil(mb_strlen($clean_content, 'UTF-8') / 4); |
| 563 |
|
| 564 |
// Check token budget with the new estimate |
| 565 |
if (($current_token_count + $token_estimate + $reserved_tokens) > $max_tokens) { |
| 566 |
// Try to fit partial content if it's the first entry |
| 567 |
if (empty($formatted_history)) { |
| 568 |
$clean_content = mb_substr($clean_content, 0, ($max_tokens - $reserved_tokens) * 4); |
| 569 |
$token_estimate = ceil(mb_strlen($clean_content, 'UTF-8') / 4); |
| 570 |
} else { |
| 571 |
break; |
| 572 |
} |
| 573 |
} |
| 574 |
|
| 575 |
// Add to formatted history |
| 576 |
$formatted_history[] = [ |
| 577 |
'role' => $entry['role'], |
| 578 |
'content' => $clean_content |
| 579 |
]; |
| 580 |
|
| 581 |
$current_token_count += $token_estimate; |
| 582 |
} |
| 583 |
|
| 584 |
// Reverse back to maintain chronological order |
| 585 |
$formatted_history = array_reverse($formatted_history); |
| 586 |
|
| 587 |
// Add system message about code context |
| 588 |
array_unshift($formatted_history, [ |
| 589 |
'role' => 'system', |
| 590 |
'content' => 'Preserved code blocks are marked with [CODE BLOCK PRESERVED]. ' |
| 591 |
. 'Maintain formatting and syntax highlighting when referencing code.' |
| 592 |
]); |
| 593 |
|
| 594 |
return $formatted_history; |
| 595 |
} |
| 596 |
|
| 597 |
public function register_routes() { |
| 598 |
//error_log(esc_html__('Registering MxChat REST routes', 'mxchat')); |
| 599 |
|
| 600 |
// Per-request chat-send nonce endpoint — issues a fresh nonce on demand |
| 601 |
// so the chat widget never depends on a stale nonce embedded in cached HTML. |
| 602 |
// Public (no auth), rate-limited (1 call / IP / second via a transient). |
| 603 |
register_rest_route('mxchat/v1', '/nonce', [ |
| 604 |
'methods' => 'GET', |
| 605 |
'callback' => [$this, 'mxchat_issue_chat_send_nonce'], |
| 606 |
'permission_callback' => '__return_true', |
| 607 |
]); |
| 608 |
|
| 609 |
register_rest_route('mxchat/v1', '/stream', [ |
| 610 |
'methods' => 'GET', |
| 611 |
'callback' => [$this, 'mxchat_stream_events'], |
| 612 |
'permission_callback' => [$this, 'verify_chat_session'], |
| 613 |
]); |
| 614 |
|
| 615 |
register_rest_route('mxchat/v1', '/agent-response', [ |
| 616 |
'methods' => 'POST', |
| 617 |
'callback' => [$this, 'mxchat_handle_agent_response'], |
| 618 |
'permission_callback' => [$this, 'verify_slack_request'], |
| 619 |
]); |
| 620 |
|
| 621 |
register_rest_route('mxchat/v1', '/slack-interaction', [ |
| 622 |
'methods' => 'POST', |
| 623 |
'callback' => [$this, 'handle_slack_interaction'], |
| 624 |
'permission_callback' => [$this, 'verify_slack_request'], |
| 625 |
]); |
| 626 |
|
| 627 |
register_rest_route('mxchat/v1', '/slack-messages', [ |
| 628 |
'methods' => 'POST', |
| 629 |
'callback' => [$this, 'handle_slack_messages'], |
| 630 |
'permission_callback' => [$this, 'verify_slack_request'], |
| 631 |
]); |
| 632 |
|
| 633 |
// Telegram webhook endpoint |
| 634 |
register_rest_route('mxchat/v1', '/telegram-webhook', [ |
| 635 |
'methods' => 'POST', |
| 636 |
'callback' => [$this, 'handle_telegram_webhook'], |
| 637 |
'permission_callback' => [$this, 'verify_telegram_request'], |
| 638 |
]); |
| 639 |
|
| 640 |
//error_log(esc_html__('MxChat REST routes registered', 'mxchat')); |
| 641 |
} |
| 642 |
|
| 643 |
/** |
| 644 |
* Issue a fresh per-request nonce for chat-send. Returned to the widget which |
| 645 |
* caches it for the session and includes it on every chat-send / stream-send / |
| 646 |
* upload call. By moving the nonce out of inline `window.mxchatChat = {...}` HTML |
| 647 |
* we eliminate the entire class of "first-message Access denied" failures that |
| 648 |
* plague WP installs behind a full-page cache (WP Rocket, LiteSpeed, FlyingPress, |
| 649 |
* W3 Total Cache, Cloudflare APO) — the nonce is never cached because it never |
| 650 |
* lives in the HTML body. |
| 651 |
* |
| 652 |
* Public endpoint. Rate-limited to 1 call / IP / 1s via a transient so a single |
| 653 |
* client browser can't be used to flood the nonce-issuance path. |
| 654 |
* |
| 655 |
* Nonce action: `mxchat_chat_send` (new). The chat-send AJAX handlers accept |
| 656 |
* BOTH this action AND the legacy `mxchat_chat_nonce` action for a 30-day |
| 657 |
* backwards-compat window so cached pages still in users' browsers don't break |
| 658 |
* mid-session. |
| 659 |
* |
| 660 |
* @since 3.2.7 |
| 661 |
*/ |
| 662 |
public function mxchat_issue_chat_send_nonce(WP_REST_Request $request) { |
| 663 |
$ip = ''; |
| 664 |
if (!empty($_SERVER['REMOTE_ADDR'])) { |
| 665 |
$ip = preg_replace('#[^0-9a-fA-F:\.]#', '', wp_unslash((string) $_SERVER['REMOTE_ADDR'])); |
| 666 |
} |
| 667 |
if ($ip !== '') { |
| 668 |
// Best-effort rate limit. WP transients with sub-second TTL are racy |
| 669 |
// (parallel bursts can squeak through before set_transient completes); |
| 670 |
// we use 2s to make the gate slightly more reliable. Real production |
| 671 |
// rate-limiting at sub-second granularity needs Redis or DB row locks |
| 672 |
// — out of scope for this endpoint, which is already cheap. |
| 673 |
$key = 'mxchat_nonce_rl_' . md5($ip); |
| 674 |
if (get_transient($key)) { |
| 675 |
return new WP_REST_Response(array( |
| 676 |
'error' => 'rate_limited', |
| 677 |
'message' => __('Too many nonce requests. Try again shortly.', 'mxchat'), |
| 678 |
), 429); |
| 679 |
} |
| 680 |
set_transient($key, 1, 2); |
| 681 |
} |
| 682 |
|
| 683 |
// The widget calls this endpoint without an X-WP-Nonce header, so WordPress does not |
| 684 |
// honor the auth cookie and the request runs as uid=0 even for logged-in users. That |
| 685 |
// makes wp_create_nonce() bind the nonce to uid=0, which then fails wp_verify_nonce() |
| 686 |
// at admin-ajax (which runs as the real uid) -> logged-in users get a 403 on upload. |
| 687 |
// Resolve the real user from the logged_in cookie so the nonce binds to the correct uid. |
| 688 |
if ( ! is_user_logged_in() ) { |
| 689 |
$maybe_uid = wp_validate_auth_cookie( '', 'logged_in' ); |
| 690 |
if ( $maybe_uid ) { |
| 691 |
wp_set_current_user( $maybe_uid ); |
| 692 |
} |
| 693 |
} |
| 694 |
|
| 695 |
$payload = array( |
| 696 |
'nonce' => wp_create_nonce('mxchat_chat_send'), |
| 697 |
'expires_in' => 86400, // WP nonces live 24h; widget caches for 12h conservatively. |
| 698 |
); |
| 699 |
|
| 700 |
// plan-32db95: the widget's first-open refresh asks for current behavior |
| 701 |
// settings in the same round-trip, so stale inline-localized values on |
| 702 |
// cached pages get corrected without a second request. All values in |
| 703 |
// this payload already ship in public page HTML — nothing sensitive. |
| 704 |
if ($request->get_param('with_settings')) { |
| 705 |
$payload['settings'] = $this->get_dynamic_widget_settings(true); |
| 706 |
} |
| 707 |
|
| 708 |
return new WP_REST_Response($payload, 200); |
| 709 |
} |
| 710 |
|
| 711 |
/** |
| 712 |
* Verify a chat-send nonce. Accepts BOTH the new `mxchat_chat_send` action |
| 713 |
* (issued by /wp-json/mxchat/v1/nonce) AND the legacy `mxchat_chat_nonce` |
| 714 |
* action (inline-localized in older cached HTML). The legacy acceptance is |
| 715 |
* a 30-day backwards-compat window — to be removed in a follow-up release |
| 716 |
* after 2026-06-27. |
| 717 |
* |
| 718 |
* @param string $posted_nonce |
| 719 |
* @return bool |
| 720 |
*/ |
| 721 |
public static function mxchat_verify_chat_send_nonce($posted_nonce) { |
| 722 |
if (!is_string($posted_nonce) || $posted_nonce === '') { |
| 723 |
return false; |
| 724 |
} |
| 725 |
return (bool) wp_verify_nonce($posted_nonce, 'mxchat_chat_send') |
| 726 |
|| (bool) wp_verify_nonce($posted_nonce, 'mxchat_chat_nonce'); |
| 727 |
} |
| 728 |
|
| 729 |
/** |
| 730 |
* Verify valid chat session |
| 731 |
*/ |
| 732 |
public function verify_chat_session($request) { |
| 733 |
$session_id = $request->get_param('session_id'); |
| 734 |
if (empty($session_id)) { |
| 735 |
//error_log(esc_html__('Empty session ID in chat request', 'mxchat')); |
| 736 |
return false; |
| 737 |
} |
| 738 |
|
| 739 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 740 |
return $chat_mode === 'agent'; |
| 741 |
} |
| 742 |
|
| 743 |
/** |
| 744 |
* Verify request is coming from Slack. |
| 745 |
* |
| 746 |
* @param WP_REST_Request $request |
| 747 |
* @return bool True if valid, false otherwise. |
| 748 |
*/ |
| 749 |
public function verify_slack_request($request) { |
| 750 |
// Get the Slack signing secret from your plugin options |
| 751 |
$valid_key = $this->options['live_agent_secret_key'] ?? ''; |
| 752 |
|
| 753 |
if (empty($valid_key)) { |
| 754 |
//error_log(esc_html__('Slack signing secret not configured', 'mxchat')); |
| 755 |
return false; |
| 756 |
} |
| 757 |
|
| 758 |
$timestamp = $request->get_header('X-Slack-Request-Timestamp'); |
| 759 |
$slack_signature = $request->get_header('X-Slack-Signature'); |
| 760 |
|
| 761 |
// Verify timestamp to prevent replay attacks |
| 762 |
if (abs(time() - intval($timestamp)) > 300) { |
| 763 |
//error_log(esc_html__('Slack request timestamp too old', 'mxchat')); |
| 764 |
return false; |
| 765 |
} |
| 766 |
|
| 767 |
// Get raw request body from the WP_REST_Request object |
| 768 |
// (php://input may already be consumed by WordPress at this point) |
| 769 |
$request_body = $request->get_body(); |
| 770 |
|
| 771 |
// Create the signature base string |
| 772 |
$sig_basestring = "v0:{$timestamp}:{$request_body}"; |
| 773 |
|
| 774 |
// Calculate expected signature |
| 775 |
$my_signature = 'v0=' . hash_hmac('sha256', $sig_basestring, $valid_key); |
| 776 |
|
| 777 |
// Compare signatures |
| 778 |
return hash_equals($my_signature, $slack_signature); |
| 779 |
} |
| 780 |
|
| 781 |
/** |
| 782 |
* Verify request is coming from Telegram. |
| 783 |
* |
| 784 |
* @param WP_REST_Request $request |
| 785 |
* @return bool True if valid, false otherwise. |
| 786 |
*/ |
| 787 |
public function verify_telegram_request($request) { |
| 788 |
$secret_token = $this->options['telegram_webhook_secret'] ?? ''; |
| 789 |
|
| 790 |
//error_log('[MxChat Telegram DEBUG] verify_telegram_request called'); |
| 791 |
//error_log('[MxChat Telegram DEBUG] Stored secret: ' . (empty($secret_token) ? 'EMPTY' : substr($secret_token, 0, 10) . '...')); |
| 792 |
|
| 793 |
if (empty($secret_token)) { |
| 794 |
// No secret configured (legacy setup). Do NOT fail open to the whole |
| 795 |
// internet — that lets an unauthenticated caller write agent-branded |
| 796 |
// messages. Fall back to verifying the request originates from |
| 797 |
// Telegram's published webhook IP ranges so existing no-secret installs |
| 798 |
// keep working while an arbitrary-internet caller is blocked. Setting a |
| 799 |
// real secret (see the admin notice) is the recommended path. |
| 800 |
// (plan-0c17b5) |
| 801 |
$peer = isset($_SERVER['REMOTE_ADDR']) ? (string) $_SERVER['REMOTE_ADDR'] : ''; |
| 802 |
if ($this->mxchat_ip_in_telegram_ranges($peer)) { |
| 803 |
return true; |
| 804 |
} |
| 805 |
error_log('MxChat: Telegram webhook has no secret configured and the request ' |
| 806 |
. 'is not from a Telegram IP range; rejected. Set a webhook secret to secure it.'); |
| 807 |
return false; |
| 808 |
} |
| 809 |
|
| 810 |
// Telegram sends the secret token in the X-Telegram-Bot-Api-Secret-Token header |
| 811 |
$request_token = $request->get_header('X-Telegram-Bot-Api-Secret-Token'); |
| 812 |
|
| 813 |
//error_log('[MxChat Telegram DEBUG] Request token: ' . (empty($request_token) ? 'EMPTY' : substr($request_token, 0, 10) . '...')); |
| 814 |
|
| 815 |
if (empty($request_token)) { |
| 816 |
//error_log('[MxChat Telegram DEBUG] Request rejected: No token in header'); |
| 817 |
return false; |
| 818 |
} |
| 819 |
|
| 820 |
// Timing-safe comparison |
| 821 |
$result = hash_equals($secret_token, $request_token); |
| 822 |
//error_log('[MxChat Telegram DEBUG] Token comparison result: ' . ($result ? 'MATCH' : 'MISMATCH')); |
| 823 |
return $result; |
| 824 |
} |
| 825 |
|
| 826 |
/** |
| 827 |
* Whether $ip falls within Telegram's published webhook IPv4 ranges |
| 828 |
* (149.154.160.0/20 and 91.108.4.0/22). Used as an authenticity fallback for |
| 829 |
* the Telegram webhook when no secret token is configured, so a legacy |
| 830 |
* no-secret install keeps working without failing open to the entire internet. |
| 831 |
* |
| 832 |
* Uses the real TCP peer (REMOTE_ADDR); a spoofable X-Forwarded-For is NOT |
| 833 |
* consulted. Behind a reverse proxy / CDN that rewrites REMOTE_ADDR this may |
| 834 |
* not match — which is exactly why configuring a real webhook secret is the |
| 835 |
* recommended path. (plan-0c17b5) |
| 836 |
* |
| 837 |
* @param string $ip Candidate IPv4 address. |
| 838 |
* @return bool |
| 839 |
*/ |
| 840 |
private function mxchat_ip_in_telegram_ranges($ip) { |
| 841 |
if (!is_string($ip) || $ip === '' || filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) === false) { |
| 842 |
return false; |
| 843 |
} |
| 844 |
$ip_long = ip2long($ip); |
| 845 |
if ($ip_long === false) { |
| 846 |
return false; |
| 847 |
} |
| 848 |
$ranges = array( |
| 849 |
array('149.154.160.0', 20), |
| 850 |
array('91.108.4.0', 22), |
| 851 |
); |
| 852 |
foreach ($ranges as $range) { |
| 853 |
$subnet_long = ip2long($range[0]); |
| 854 |
if ($subnet_long === false) { |
| 855 |
continue; |
| 856 |
} |
| 857 |
$mask = (0xFFFFFFFF << (32 - $range[1])) & 0xFFFFFFFF; |
| 858 |
if (($ip_long & $mask) === ($subnet_long & $mask)) { |
| 859 |
return true; |
| 860 |
} |
| 861 |
} |
| 862 |
return false; |
| 863 |
} |
| 864 |
|
| 865 |
public function mxchat_stream_events(WP_REST_Request $request) { |
| 866 |
header('Content-Type: text/event-stream'); |
| 867 |
header('Cache-Control: no-cache'); |
| 868 |
header('Connection: keep-alive'); |
| 869 |
|
| 870 |
$session_id = MxChat_Utils::sanitize_session_id($request->get_param('session_id')); |
| 871 |
$last_seen_id = sanitize_text_field($request->get_param('last_seen_id')) ?: ''; |
| 872 |
|
| 873 |
if (empty($session_id)) { |
| 874 |
echo esc_html__("event: error\ndata: ", 'mxchat') . esc_html__('Missing session_id', 'mxchat') . "\n\n"; |
| 875 |
flush(); |
| 876 |
exit; |
| 877 |
} |
| 878 |
|
| 879 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 880 |
|
| 881 |
// Filter only new messages |
| 882 |
$new_messages = array_filter($history, function ($message) use ($last_seen_id) { |
| 883 |
return !empty($message['id']) && $message['id'] > $last_seen_id; |
| 884 |
}); |
| 885 |
|
| 886 |
// Send new messages if available |
| 887 |
if (!empty($new_messages)) { |
| 888 |
echo esc_html__("event: newMessages\ndata: ", 'mxchat') . json_encode(array_values($new_messages)) . "\n\n"; |
| 889 |
} else { |
| 890 |
// Keep the connection alive |
| 891 |
echo esc_html__("event: keepAlive\ndata: ", 'mxchat') . "{}\n\n"; |
| 892 |
} |
| 893 |
flush(); |
| 894 |
exit; |
| 895 |
} |
| 896 |
|
| 897 |
|
| 898 |
|
| 899 |
|
| 900 |
private function mxchat_save_chat_message($session_id, $role, $message, $originating_page = null, $rag_context = null) { |
| 901 |
global $wpdb; |
| 902 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 903 |
//error_log("[DEBUG] mxchat_save_chat_message -> START for session_id: {$session_id}, role: {$role}"); |
| 904 |
|
| 905 |
// Check if this is the first message in a new session (before any other database operations) |
| 906 |
$is_new_session = false; |
| 907 |
if ($role === 'user') { // Only check for user messages, not bot responses |
| 908 |
$existing_messages = $wpdb->get_var($wpdb->prepare( |
| 909 |
"SELECT COUNT(*) FROM $table_name WHERE session_id = %s", |
| 910 |
$session_id |
| 911 |
)); |
| 912 |
$is_new_session = ($existing_messages == 0); |
| 913 |
|
| 914 |
// Log for debugging |
| 915 |
if ($is_new_session) { |
| 916 |
//error_log("[DEBUG] This is a NEW session - first message"); |
| 917 |
} |
| 918 |
} |
| 919 |
|
| 920 |
// SECURITY FIX: Set session ownership for new sessions |
| 921 |
if ($is_new_session && $role === 'user') { |
| 922 |
$current_user_identifier = MxChat_User::mxchat_get_user_identifier(); |
| 923 |
$session_owner_key = "mxchat_session_owner_{$session_id}"; |
| 924 |
|
| 925 |
// Only set ownership if not already set |
| 926 |
if (!get_option($session_owner_key)) { |
| 927 |
update_option($session_owner_key, $current_user_identifier, 'no'); |
| 928 |
//error_log("[DEBUG] Set session ownership for {$session_id} to {$current_user_identifier}"); |
| 929 |
} |
| 930 |
} |
| 931 |
|
| 932 |
// 1) Extract agent name if present |
| 933 |
$agent_name = ''; |
| 934 |
if (preg_match('/^Agent: (.*?) - /', $message, $matches)) { |
| 935 |
$agent_name = $matches[1]; |
| 936 |
$message = str_replace("Agent: $agent_name - ", '', $message); |
| 937 |
$session_meta_key = "mxchat_agent_name_{$session_id}"; |
| 938 |
if (empty(get_option($session_meta_key))) { |
| 939 |
update_option($session_meta_key, $agent_name); |
| 940 |
//error_log("[DEBUG] mxchat_save_chat_message -> Stored agent_name in option: {$session_meta_key} => {$agent_name}"); |
| 941 |
} |
| 942 |
} |
| 943 |
|
| 944 |
// 2) Generate unique message_id |
| 945 |
$message_id = uniqid(); |
| 946 |
//error_log("[DEBUG] mxchat_save_chat_message -> Generated message_id: {$message_id}"); |
| 947 |
|
| 948 |
// 3) Determine user_id |
| 949 |
$user_id = is_user_logged_in() ? get_current_user_id() : 0; |
| 950 |
|
| 951 |
// 4) Determine user_identifier |
| 952 |
$user_identifier = $agent_name |
| 953 |
? $agent_name |
| 954 |
: MxChat_User::mxchat_get_user_identifier(); |
| 955 |
|
| 956 |
// 5) Determine displayed_name |
| 957 |
$user_email = MxChat_User::mxchat_get_user_email(); |
| 958 |
$displayed_name = $agent_name ? $agent_name : ($user_email ?: $user_identifier); |
| 959 |
|
| 960 |
// 6) Check for a saved email in wp_options |
| 961 |
$email_option_key = "mxchat_email_{$session_id}"; |
| 962 |
$saved_email = get_option($email_option_key); |
| 963 |
//error_log("[DEBUG] mxchat_save_chat_message -> Checking wp_options for email_option_key: {$email_option_key}, found: {$saved_email}"); |
| 964 |
|
| 965 |
// Check for a saved name in wp_options |
| 966 |
$name_option_key = "mxchat_name_{$session_id}"; |
| 967 |
$saved_name = get_option($name_option_key); |
| 968 |
//error_log("[DEBUG] mxchat_save_chat_message -> Checking wp_options for name_option_key: {$name_option_key}, found: {$saved_name}"); |
| 969 |
|
| 970 |
// If found, update DB user_email and user_name |
| 971 |
if ($saved_email || $saved_name) { |
| 972 |
$update_data = []; |
| 973 |
if ($saved_email) { |
| 974 |
$update_data['user_email'] = $saved_email; |
| 975 |
} |
| 976 |
if ($saved_name) { |
| 977 |
$update_data['user_name'] = $saved_name; |
| 978 |
} |
| 979 |
|
| 980 |
if (!empty($update_data)) { |
| 981 |
$update_res = $wpdb->update( |
| 982 |
$table_name, |
| 983 |
$update_data, |
| 984 |
['session_id' => $session_id], |
| 985 |
array_fill(0, count($update_data), '%s'), |
| 986 |
['%s'] |
| 987 |
); |
| 988 |
//error_log("[DEBUG] mxchat_save_chat_message -> Attempted DB user_email/user_name update for session_id {$session_id}. update_res: {$update_res}"); |
| 989 |
} |
| 990 |
} |
| 991 |
|
| 992 |
// 7) Save to session history in wp_options |
| 993 |
$history_key = "mxchat_history_{$session_id}"; |
| 994 |
$history = get_option($history_key, []); |
| 995 |
$history[] = [ |
| 996 |
'id' => $message_id, |
| 997 |
'role' => $role, |
| 998 |
'content' => $message, |
| 999 |
'timestamp' => round(microtime(true) * 1000), |
| 1000 |
'agent_name' => $displayed_name, |
| 1001 |
]; |
| 1002 |
update_option($history_key, $history, 'no'); |
| 1003 |
//error_log("[DEBUG] mxchat_save_chat_message -> Updated session history in option: {$history_key}"); |
| 1004 |
|
| 1005 |
// 8) Save the message to DB (INSERT) |
| 1006 |
$insert_data = [ |
| 1007 |
'user_id' => $user_id, |
| 1008 |
'user_identifier'=> $user_identifier, |
| 1009 |
'user_email' => $saved_email ?: $user_email, |
| 1010 |
'user_name' => $saved_name ?: '', // Add name to insert data |
| 1011 |
'session_id' => $session_id, |
| 1012 |
'role' => $role, |
| 1013 |
'message' => $message, |
| 1014 |
'timestamp' => current_time('mysql', 1), |
| 1015 |
]; |
| 1016 |
|
| 1017 |
// IMPROVED: Handle originating page data |
| 1018 |
$columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'"); |
| 1019 |
|
| 1020 |
if ($columns_exist) { |
| 1021 |
if ($is_new_session && $role === 'user') { |
| 1022 |
// For the first user message, set originating page data |
| 1023 |
|
| 1024 |
// First check if we have it from the parameter |
| 1025 |
if ($originating_page && !empty($originating_page['url'])) { |
| 1026 |
$insert_data['originating_page_url'] = $originating_page['url']; |
| 1027 |
$insert_data['originating_page_title'] = $originating_page['title'] ?? ''; |
| 1028 |
|
| 1029 |
//error_log("[DEBUG] Setting originating page from parameter: " . $originating_page['url']); |
| 1030 |
} |
| 1031 |
// Otherwise check if it's stored in the instance property |
| 1032 |
else if (isset($this->pending_originating_page) && !empty($this->pending_originating_page['url'])) { |
| 1033 |
$insert_data['originating_page_url'] = $this->pending_originating_page['url']; |
| 1034 |
$insert_data['originating_page_title'] = $this->pending_originating_page['title'] ?? ''; |
| 1035 |
|
| 1036 |
//error_log("[DEBUG] Setting originating page from pending_originating_page: " . $this->pending_originating_page['url']); |
| 1037 |
|
| 1038 |
// Clear after using (= null, not unset(): unset() undeclares the property |
| 1039 |
// and the next assignment recreates it dynamic, re-triggering the PHP 8.2 deprecation) |
| 1040 |
$this->pending_originating_page = null; |
| 1041 |
} |
| 1042 |
// Fallback to HTTP_REFERER if nothing else is available |
| 1043 |
else if (isset($_SERVER['HTTP_REFERER'])) { |
| 1044 |
$referer_url = esc_url_raw($_SERVER['HTTP_REFERER']); |
| 1045 |
$insert_data['originating_page_url'] = $referer_url; |
| 1046 |
|
| 1047 |
// Generate title from URL |
| 1048 |
$parsed_url = parse_url($referer_url); |
| 1049 |
$path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : ''; |
| 1050 |
|
| 1051 |
if (empty($path) || $path === 'index.php' || $path === 'index.html') { |
| 1052 |
$insert_data['originating_page_title'] = 'Homepage'; |
| 1053 |
} else { |
| 1054 |
$title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path); |
| 1055 |
$insert_data['originating_page_title'] = ucwords(trim($title)); |
| 1056 |
} |
| 1057 |
|
| 1058 |
//error_log("[DEBUG] Setting originating page from HTTP_REFERER: " . $referer_url); |
| 1059 |
} |
| 1060 |
|
| 1061 |
// Store for this session so all messages have the same originating page |
| 1062 |
if (!empty($insert_data['originating_page_url'])) { |
| 1063 |
update_option("mxchat_originating_page_{$session_id}", [ |
| 1064 |
'url' => $insert_data['originating_page_url'], |
| 1065 |
'title' => $insert_data['originating_page_title'] |
| 1066 |
], 'no'); |
| 1067 |
} |
| 1068 |
} else { |
| 1069 |
// For subsequent messages in the session, use the stored originating page |
| 1070 |
$stored_originating = get_option("mxchat_originating_page_{$session_id}"); |
| 1071 |
if ($stored_originating && !empty($stored_originating['url'])) { |
| 1072 |
$insert_data['originating_page_url'] = $stored_originating['url']; |
| 1073 |
$insert_data['originating_page_title'] = $stored_originating['title'] ?? ''; |
| 1074 |
} |
| 1075 |
} |
| 1076 |
} |
| 1077 |
|
| 1078 |
// Add RAG context if provided (for bot messages) |
| 1079 |
if ($rag_context !== null && $role === 'bot') { |
| 1080 |
$rag_context_column_exists = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'rag_context'"); |
| 1081 |
if ($rag_context_column_exists) { |
| 1082 |
$insert_data['rag_context'] = is_array($rag_context) ? wp_json_encode($rag_context) : $rag_context; |
| 1083 |
} |
| 1084 |
} |
| 1085 |
|
| 1086 |
$wpdb->insert($table_name, $insert_data); |
| 1087 |
//error_log("[DEBUG] mxchat_save_chat_message -> Inserted message into DB. row_id: {$wpdb->insert_id}, data: " . print_r($insert_data, true)); |
| 1088 |
|
| 1089 |
// 9) Send notification email if this is the first user message in a new session |
| 1090 |
if ($wpdb->insert_id && $is_new_session && $role === 'user') { |
| 1091 |
$this->send_new_chat_notification($session_id, array( |
| 1092 |
'identifier' => $user_identifier, |
| 1093 |
'email' => $saved_email ?: $user_email, |
| 1094 |
'ip' => $_SERVER['REMOTE_ADDR'] |
| 1095 |
)); |
| 1096 |
} |
| 1097 |
|
| 1098 |
// 10) Schedule delayed transcript email if enabled and message is from user |
| 1099 |
if ($wpdb->insert_id && $role === 'user') { |
| 1100 |
$this->schedule_delayed_transcript_email($session_id); |
| 1101 |
} |
| 1102 |
|
| 1103 |
//error_log("[DEBUG] mxchat_save_chat_message -> END for session_id: {$session_id}"); |
| 1104 |
return $message_id; |
| 1105 |
} |
| 1106 |
|
| 1107 |
private function send_new_chat_notification($session_id, $user_info = array()) { |
| 1108 |
$options = get_option('mxchat_transcripts_options'); |
| 1109 |
|
| 1110 |
// Check if notifications are enabled |
| 1111 |
if (empty($options['mxchat_enable_notifications'])) { |
| 1112 |
return false; |
| 1113 |
} |
| 1114 |
|
| 1115 |
// Get notification email |
| 1116 |
$to = !empty($options['mxchat_notification_email']) ? |
| 1117 |
$options['mxchat_notification_email'] : |
| 1118 |
get_option('admin_email'); |
| 1119 |
|
| 1120 |
if (!is_email($to)) { |
| 1121 |
return false; |
| 1122 |
} |
| 1123 |
|
| 1124 |
// Prepare email content |
| 1125 |
$subject = sprintf('[%s] New Chat Session Started', get_bloginfo('name')); |
| 1126 |
|
| 1127 |
$user_identifier = isset($user_info['identifier']) ? $user_info['identifier'] : 'Guest'; |
| 1128 |
$user_email = isset($user_info['email']) ? $user_info['email'] : 'Not provided'; |
| 1129 |
$user_ip = isset($user_info['ip']) ? $user_info['ip'] : $_SERVER['REMOTE_ADDR']; |
| 1130 |
|
| 1131 |
$message = sprintf( |
| 1132 |
"A new chat session has started on your website.\n\n" . |
| 1133 |
"Session ID: %s\n" . |
| 1134 |
"User: %s\n" . |
| 1135 |
"Email: %s\n" . |
| 1136 |
"IP Address: %s\n" . |
| 1137 |
"Time: %s\n\n" . |
| 1138 |
"View transcripts: %s", |
| 1139 |
$session_id, |
| 1140 |
$user_identifier, |
| 1141 |
$user_email, |
| 1142 |
$user_ip, |
| 1143 |
current_time('mysql'), |
| 1144 |
admin_url('admin.php?page=mxchat-transcripts') |
| 1145 |
); |
| 1146 |
|
| 1147 |
// Send email |
| 1148 |
return wp_mail($to, $subject, $message); |
| 1149 |
} |
| 1150 |
|
| 1151 |
/** |
| 1152 |
* Schedule delayed transcript email for a session |
| 1153 |
* Reschedules if a new user message is received |
| 1154 |
*/ |
| 1155 |
private function schedule_delayed_transcript_email($session_id) { |
| 1156 |
$options = get_option('mxchat_transcripts_options'); |
| 1157 |
|
| 1158 |
// Check if auto-email is enabled |
| 1159 |
if (empty($options['mxchat_auto_email_transcript_enabled'])) { |
| 1160 |
return; |
| 1161 |
} |
| 1162 |
|
| 1163 |
// Get notification email |
| 1164 |
$email = !empty($options['mxchat_notification_email']) ? |
| 1165 |
$options['mxchat_notification_email'] : |
| 1166 |
get_option('admin_email'); |
| 1167 |
|
| 1168 |
if (!is_email($email)) { |
| 1169 |
return; |
| 1170 |
} |
| 1171 |
|
| 1172 |
// Get delay in minutes (default 30) |
| 1173 |
$delay_minutes = isset($options['mxchat_auto_email_transcript_delay']) ? |
| 1174 |
intval($options['mxchat_auto_email_transcript_delay']) : 30; |
| 1175 |
|
| 1176 |
// Clear any existing scheduled event for this session |
| 1177 |
$hook = 'mxchat_send_delayed_transcript'; |
| 1178 |
$args = array($session_id); |
| 1179 |
$timestamp = wp_next_scheduled($hook, $args); |
| 1180 |
|
| 1181 |
if ($timestamp) { |
| 1182 |
wp_unschedule_event($timestamp, $hook, $args); |
| 1183 |
} |
| 1184 |
|
| 1185 |
// Schedule new event |
| 1186 |
$schedule_time = time() + ($delay_minutes * 60); |
| 1187 |
wp_schedule_single_event($schedule_time, $hook, $args); |
| 1188 |
} |
| 1189 |
|
| 1190 |
/** |
| 1191 |
* Check if chat messages contain contact information (email or phone number) |
| 1192 |
* |
| 1193 |
* @param array $messages Array of message objects with 'message' property |
| 1194 |
* @param object|null $session_data Session data object with user_email property |
| 1195 |
* @return bool True if contact info found, false otherwise |
| 1196 |
*/ |
| 1197 |
private function chat_contains_contact_info($messages, $session_data = null) { |
| 1198 |
// Check if session already has a stored email |
| 1199 |
if ($session_data && !empty($session_data->user_email)) { |
| 1200 |
return true; |
| 1201 |
} |
| 1202 |
|
| 1203 |
// Email regex pattern |
| 1204 |
$email_pattern = '/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b/'; |
| 1205 |
|
| 1206 |
// Phone number patterns (covers various formats including international, WhatsApp style) |
| 1207 |
// Matches: +1234567890, (123) 456-7890, 123-456-7890, 123.456.7890, 1234567890, +1 234 567 8900, etc. |
| 1208 |
$phone_pattern = '/(?:\+?\d{1,3}[-.\s]?)?\(?\d{2,4}\)?[-.\s]?\d{2,4}[-.\s]?\d{2,4}(?:[-.\s]?\d{1,4})?/'; |
| 1209 |
|
| 1210 |
// Only check user messages (not assistant responses) |
| 1211 |
foreach ($messages as $msg) { |
| 1212 |
if ($msg->role !== 'user') { |
| 1213 |
continue; |
| 1214 |
} |
| 1215 |
|
| 1216 |
$message_text = $msg->message; |
| 1217 |
|
| 1218 |
// Check for email |
| 1219 |
if (preg_match($email_pattern, $message_text)) { |
| 1220 |
return true; |
| 1221 |
} |
| 1222 |
|
| 1223 |
// Check for phone number (must be at least 7 digits total to avoid false positives) |
| 1224 |
if (preg_match($phone_pattern, $message_text, $matches)) { |
| 1225 |
// Count actual digits to avoid matching short numbers |
| 1226 |
$digits_only = preg_replace('/\D/', '', $matches[0]); |
| 1227 |
if (strlen($digits_only) >= 7) { |
| 1228 |
return true; |
| 1229 |
} |
| 1230 |
} |
| 1231 |
} |
| 1232 |
|
| 1233 |
return false; |
| 1234 |
} |
| 1235 |
|
| 1236 |
/** |
| 1237 |
* Send the delayed transcript email with .txt attachment |
| 1238 |
*/ |
| 1239 |
public function mxchat_send_delayed_transcript($session_id) { |
| 1240 |
global $wpdb; |
| 1241 |
|
| 1242 |
// plan-mxchat-20260731-d42bec — this is the one place a session id becomes a |
| 1243 |
// filesystem path segment (see the $temp_file build below), so validate here |
| 1244 |
// too even though intake is now validated. This runs from a scheduled event, |
| 1245 |
// so its argument comes from whatever was stored at schedule time rather than |
| 1246 |
// straight from the current request. |
| 1247 |
$session_id = MxChat_Utils::sanitize_session_id($session_id); |
| 1248 |
if ($session_id === '') { |
| 1249 |
return false; |
| 1250 |
} |
| 1251 |
|
| 1252 |
$options = get_option('mxchat_transcripts_options'); |
| 1253 |
|
| 1254 |
// Get notification email |
| 1255 |
$to = !empty($options['mxchat_notification_email']) ? |
| 1256 |
$options['mxchat_notification_email'] : |
| 1257 |
get_option('admin_email'); |
| 1258 |
|
| 1259 |
if (!is_email($to)) { |
| 1260 |
return false; |
| 1261 |
} |
| 1262 |
|
| 1263 |
// Get all messages for this session |
| 1264 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 1265 |
$messages = $wpdb->get_results($wpdb->prepare( |
| 1266 |
"SELECT role, message, timestamp FROM {$table_name} |
| 1267 |
WHERE session_id = %s |
| 1268 |
ORDER BY timestamp ASC", |
| 1269 |
$session_id |
| 1270 |
)); |
| 1271 |
|
| 1272 |
if (empty($messages)) { |
| 1273 |
return false; |
| 1274 |
} |
| 1275 |
|
| 1276 |
// Get session metadata |
| 1277 |
$sessions_table = $wpdb->prefix . 'mxchat_sessions'; |
| 1278 |
$session_data = $wpdb->get_row($wpdb->prepare( |
| 1279 |
"SELECT * FROM {$sessions_table} WHERE session_id = %s", |
| 1280 |
$session_id |
| 1281 |
)); |
| 1282 |
|
| 1283 |
// Check if contact info is required and if it's present |
| 1284 |
$require_contact = !empty($options['mxchat_auto_email_transcript_require_contact']); |
| 1285 |
if ($require_contact && !$this->chat_contains_contact_info($messages, $session_data)) { |
| 1286 |
// Contact info required but not found - skip sending |
| 1287 |
return false; |
| 1288 |
} |
| 1289 |
|
| 1290 |
// Build transcript content |
| 1291 |
$transcript_content = "Chat Transcript\n"; |
| 1292 |
$transcript_content .= "================\n\n"; |
| 1293 |
$transcript_content .= "Session ID: " . $session_id . "\n"; |
| 1294 |
|
| 1295 |
if ($session_data) { |
| 1296 |
$transcript_content .= "User: " . ($session_data->user_identifier ?: 'Guest') . "\n"; |
| 1297 |
$transcript_content .= "Email: " . ($session_data->user_email ?: 'Not provided') . "\n"; |
| 1298 |
$transcript_content .= "Started: " . $session_data->created_at . "\n"; |
| 1299 |
} |
| 1300 |
|
| 1301 |
$transcript_content .= "\n" . str_repeat("=", 50) . "\n\n"; |
| 1302 |
|
| 1303 |
// Add messages |
| 1304 |
foreach ($messages as $msg) { |
| 1305 |
// 'agent' rows are live-agent (human) replies — label them as such in |
| 1306 |
// the emailed transcript, same distinction the Transcripts viewer draws. |
| 1307 |
$role_label = ($msg->role === 'user') ? 'User' : (($msg->role === 'agent') ? 'Live Agent' : 'Assistant'); |
| 1308 |
$transcript_content .= "[{$msg->timestamp}] {$role_label}:\n"; |
| 1309 |
$transcript_content .= $msg->message . "\n\n"; |
| 1310 |
} |
| 1311 |
|
| 1312 |
// Create temporary file for attachment using WP_Filesystem |
| 1313 |
$upload_dir = wp_upload_dir(); |
| 1314 |
// basename() is the SECOND independent control on this write |
| 1315 |
// (plan-mxchat-20260731-d42bec). The validator above already rejects any id |
| 1316 |
// containing a path separator; this survives someone loosening it later. |
| 1317 |
$temp_file = $upload_dir['basedir'] . '/' . basename('mxchat-transcript-' . $session_id . '.txt'); |
| 1318 |
global $wp_filesystem; |
| 1319 |
if (empty($wp_filesystem)) { |
| 1320 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 1321 |
WP_Filesystem(); |
| 1322 |
} |
| 1323 |
$wp_filesystem->put_contents($temp_file, $transcript_content, FS_CHMOD_FILE); |
| 1324 |
|
| 1325 |
// Prepare email |
| 1326 |
$subject = sprintf('[%s] Chat Transcript - Session %s', get_bloginfo('name'), substr($session_id, 0, 8)); |
| 1327 |
|
| 1328 |
$message = "Please find attached the full chat transcript.\n\n"; |
| 1329 |
$message .= "Session ID: {$session_id}\n"; |
| 1330 |
|
| 1331 |
if ($session_data) { |
| 1332 |
$message .= "User: " . ($session_data->user_identifier ?: 'Guest') . "\n"; |
| 1333 |
$message .= "Email: " . ($session_data->user_email ?: 'Not provided') . "\n"; |
| 1334 |
} |
| 1335 |
|
| 1336 |
$message .= "\nView online: " . admin_url('admin.php?page=mxchat-transcripts'); |
| 1337 |
|
| 1338 |
// Send email with attachment |
| 1339 |
$attachments = array($temp_file); |
| 1340 |
$result = wp_mail($to, $subject, $message, '', $attachments); |
| 1341 |
|
| 1342 |
// Clean up temporary file |
| 1343 |
if (file_exists($temp_file)) { |
| 1344 |
unlink($temp_file); |
| 1345 |
} |
| 1346 |
|
| 1347 |
return $result; |
| 1348 |
} |
| 1349 |
|
| 1350 |
|
| 1351 |
|
| 1352 |
public function mxchat_handle_save_email_and_response() { |
| 1353 |
//error_log('[DEBUG] ---------- mxchat_handle_save_email_and_response START ----------'); |
| 1354 |
//error_log('DEBUG: POST data: ' . print_r($_POST, true)); |
| 1355 |
|
| 1356 |
nocache_headers(); |
| 1357 |
|
| 1358 |
// Validate nonce |
| 1359 |
if (!isset($_POST['nonce']) || !MxChat_Integrator::mxchat_verify_chat_send_nonce($_POST['nonce'])) { |
| 1360 |
//error_log(esc_html__('[ERROR] Invalid nonce in mxchat_handle_save_email_and_response', 'mxchat')); |
| 1361 |
wp_send_json_error(['message' => esc_html__('Invalid nonce.', 'mxchat')]); |
| 1362 |
wp_die(); |
| 1363 |
} |
| 1364 |
|
| 1365 |
$session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : ''; |
| 1366 |
$email = isset($_POST['email']) ? sanitize_email($_POST['email']) : ''; |
| 1367 |
$name = isset($_POST['name']) ? sanitize_text_field($_POST['name']) : ''; |
| 1368 |
|
| 1369 |
//error_log("[DEBUG] handle_save_email_and_response -> session_id: {$session_id}, email: {$email}, name: {$name}"); |
| 1370 |
|
| 1371 |
if (empty($session_id) || $session_id === 'null' || empty($email)) { |
| 1372 |
//error_log("[ERROR] Missing session_id or email: session_id={$session_id}, email={$email}"); |
| 1373 |
wp_send_json_error(['message' => esc_html__('Session ID or email is missing.', 'mxchat')]); |
| 1374 |
wp_die(); |
| 1375 |
} |
| 1376 |
|
| 1377 |
// Validate name if provided (check if name field is enabled and name is required) |
| 1378 |
$options = get_option('mxchat_options', []); |
| 1379 |
$name_field_enabled = isset($options['enable_name_field']) && |
| 1380 |
($options['enable_name_field'] === '1' || $options['enable_name_field'] === 'on'); |
| 1381 |
|
| 1382 |
if ($name_field_enabled && (empty($name) || strlen(trim($name)) < 2 || strlen(trim($name)) > 100)) { |
| 1383 |
//error_log("[ERROR] Invalid name: {$name} (enabled: {$name_field_enabled})"); |
| 1384 |
wp_send_json_error(['message' => esc_html__('Name must be between 2 and 100 characters.', 'mxchat')]); |
| 1385 |
wp_die(); |
| 1386 |
} |
| 1387 |
|
| 1388 |
// 1) Always store email in wp_options |
| 1389 |
$email_option_key = "mxchat_email_{$session_id}"; |
| 1390 |
update_option($email_option_key, $email, 'no'); |
| 1391 |
//error_log("[DEBUG] handle_save_email_and_response -> updated option: {$email_option_key} => {$email}"); |
| 1392 |
|
| 1393 |
// Store name in wp_options if provided |
| 1394 |
if (!empty($name)) { |
| 1395 |
$name_option_key = "mxchat_name_{$session_id}"; |
| 1396 |
update_option($name_option_key, $name, 'no'); |
| 1397 |
//error_log("[DEBUG] handle_save_email_and_response -> updated option: {$name_option_key} => {$name}"); |
| 1398 |
} |
| 1399 |
|
| 1400 |
// 2) (Optional) Also store in DB if a row already exists |
| 1401 |
global $wpdb; |
| 1402 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 1403 |
|
| 1404 |
// Make sure we have a valid placeholder in prepare |
| 1405 |
$sql = $wpdb->prepare("SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s", $session_id); |
| 1406 |
$session_count = $wpdb->get_var($sql); |
| 1407 |
|
| 1408 |
//error_log("[DEBUG] handle_save_email_and_response -> session_count for {$session_id}: {$session_count} (SQL: {$sql})"); |
| 1409 |
|
| 1410 |
if ($session_count) { |
| 1411 |
// Update both user_email and user_name if row(s) exist |
| 1412 |
if (!empty($name)) { |
| 1413 |
$update_sql = $wpdb->prepare( |
| 1414 |
"UPDATE {$table_name} SET user_email = %s, user_name = %s WHERE session_id = %s", |
| 1415 |
$email, |
| 1416 |
$name, |
| 1417 |
$session_id |
| 1418 |
); |
| 1419 |
} else { |
| 1420 |
$update_sql = $wpdb->prepare( |
| 1421 |
"UPDATE {$table_name} SET user_email = %s WHERE session_id = %s", |
| 1422 |
$email, |
| 1423 |
$session_id |
| 1424 |
); |
| 1425 |
} |
| 1426 |
$wpdb->query($update_sql); |
| 1427 |
//error_log("[DEBUG] handle_save_email_and_response -> DB updated: {$update_sql}"); |
| 1428 |
} else { |
| 1429 |
//error_log("[INFO] handle_save_email_and_response -> No DB entry for {$session_id}, so email/name is only in wp_options."); |
| 1430 |
} |
| 1431 |
|
| 1432 |
// Provide success response (same as original) |
| 1433 |
$bot_message = __('Thanks for providing your email! You can continue chatting now.', 'mxchat'); |
| 1434 |
//error_log("[DEBUG] handle_save_email_and_response -> success, returning bot_message: {$bot_message}"); |
| 1435 |
wp_send_json_success(['message' => $bot_message]); |
| 1436 |
wp_die(); |
| 1437 |
} |
| 1438 |
|
| 1439 |
public function mxchat_check_email_provided() { |
| 1440 |
//error_log('[DEBUG] ---------- mxchat_check_email_provided START ----------'); |
| 1441 |
|
| 1442 |
nocache_headers(); |
| 1443 |
|
| 1444 |
if (!isset($_POST['nonce']) || !MxChat_Integrator::mxchat_verify_chat_send_nonce($_POST['nonce'])) { |
| 1445 |
//error_log('[ERROR] Invalid nonce in mxchat_check_email_provided'); |
| 1446 |
wp_send_json_error(['message' => esc_html__('Invalid nonce', 'mxchat')]); |
| 1447 |
} |
| 1448 |
|
| 1449 |
$session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : ''; |
| 1450 |
if (empty($session_id) || $session_id === 'null') { |
| 1451 |
//error_log('[ERROR] No session ID provided in mxchat_check_email_provided'); |
| 1452 |
wp_send_json_error(['message' => esc_html__('No session ID provided', 'mxchat')]); |
| 1453 |
} |
| 1454 |
|
| 1455 |
// Check if the user is logged in |
| 1456 |
if (is_user_logged_in()) { |
| 1457 |
$current_user = wp_get_current_user(); |
| 1458 |
//error_log("[DEBUG] User is logged in as {$current_user->user_email}"); |
| 1459 |
|
| 1460 |
// Get user's display name for logged in users |
| 1461 |
$user_name = !empty($current_user->display_name) ? $current_user->display_name : |
| 1462 |
(!empty($current_user->first_name) ? $current_user->first_name : ''); |
| 1463 |
|
| 1464 |
$response_data = ['logged_in' => true, 'email' => $current_user->user_email]; |
| 1465 |
if (!empty($user_name)) { |
| 1466 |
$response_data['name'] = $user_name; |
| 1467 |
} |
| 1468 |
|
| 1469 |
wp_send_json_success($response_data); |
| 1470 |
} |
| 1471 |
|
| 1472 |
// Check if name field is required |
| 1473 |
$options = get_option('mxchat_options', []); |
| 1474 |
$name_field_enabled = isset($options['enable_name_field']) && |
| 1475 |
($options['enable_name_field'] === '1' || $options['enable_name_field'] === 'on'); |
| 1476 |
|
| 1477 |
$email_option_key = "mxchat_email_{$session_id}"; |
| 1478 |
$stored_email = get_option($email_option_key, ''); |
| 1479 |
|
| 1480 |
// Check for stored name |
| 1481 |
$name_option_key = "mxchat_name_{$session_id}"; |
| 1482 |
$stored_name = get_option($name_option_key, ''); |
| 1483 |
|
| 1484 |
//error_log("[DEBUG] mxchat_check_email_provided -> Checking email option: {$email_option_key}, found: {$stored_email}"); |
| 1485 |
//error_log("[DEBUG] mxchat_check_email_provided -> Checking name option: {$name_option_key}, found: {$stored_name}, required: " . ($name_field_enabled ? 'yes' : 'no')); |
| 1486 |
|
| 1487 |
// Check if we have email and name (if name is required) |
| 1488 |
$has_required_info = !empty($stored_email); |
| 1489 |
|
| 1490 |
if ($name_field_enabled) { |
| 1491 |
$has_required_info = $has_required_info && !empty($stored_name); |
| 1492 |
} |
| 1493 |
|
| 1494 |
if ($has_required_info) { |
| 1495 |
//error_log("[DEBUG] mxchat_check_email_provided -> Required info found, returning success"); |
| 1496 |
|
| 1497 |
$response_data = ['email' => $stored_email]; |
| 1498 |
if (!empty($stored_name)) { |
| 1499 |
$response_data['name'] = $stored_name; |
| 1500 |
} |
| 1501 |
|
| 1502 |
wp_send_json_success($response_data); |
| 1503 |
} else { |
| 1504 |
//error_log("[DEBUG] mxchat_check_email_provided -> Required info missing, returning error"); |
| 1505 |
wp_send_json_error(['message' => esc_html__('No email found', 'mxchat')]); |
| 1506 |
} |
| 1507 |
} |
| 1508 |
|
| 1509 |
/** |
| 1510 |
* Send error response in appropriate format based on streaming mode |
| 1511 |
* ADDED: Helper method to consistently handle errors in both streaming and non-streaming modes |
| 1512 |
* |
| 1513 |
* @param string $error_message The error message to display |
| 1514 |
* @param string $error_code Optional error code for debugging |
| 1515 |
*/ |
| 1516 |
private function send_error_response($error_message, $error_code = 'api_error') { |
| 1517 |
if ($this->is_streaming) { |
| 1518 |
echo "data: " . json_encode([ |
| 1519 |
'error' => true, |
| 1520 |
'error_message' => $error_message, |
| 1521 |
'error_code' => $error_code, |
| 1522 |
'text' => $error_message, |
| 1523 |
'message' => $error_message |
| 1524 |
]) . "\n\n"; |
| 1525 |
echo "data: [DONE]\n\n"; |
| 1526 |
flush(); |
| 1527 |
} else { |
| 1528 |
wp_send_json_error([ |
| 1529 |
'error_message' => $error_message, |
| 1530 |
'error_code' => $error_code |
| 1531 |
]); |
| 1532 |
} |
| 1533 |
wp_die(); |
| 1534 |
} |
| 1535 |
|
| 1536 |
public function mxchat_handle_chat_request() { |
| 1537 |
global $wpdb; |
| 1538 |
|
| 1539 |
// Debug: Log incoming bot_id |
| 1540 |
$bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default'; |
| 1541 |
//error_log("=== MXCHAT DEBUG: Starting chat request ==="); |
| 1542 |
//error_log("MXCHAT DEBUG: Bot ID received: " . $bot_id); |
| 1543 |
|
| 1544 |
// Get bot-specific options |
| 1545 |
$bot_options = $this->get_bot_options($bot_id); |
| 1546 |
$current_options = !empty($bot_options) ? $bot_options : $this->options; |
| 1547 |
|
| 1548 |
// Check if this is a streaming request |
| 1549 |
// Allow force_streaming_test parameter to bypass the setting check (for admin compatibility testing) |
| 1550 |
$force_streaming_test = isset($_POST['force_streaming_test']) && $_POST['force_streaming_test'] === '1' && current_user_can('administrator'); |
| 1551 |
$is_streaming = isset($_POST['action']) && $_POST['action'] === 'mxchat_stream_chat' && |
| 1552 |
($force_streaming_test || (isset($current_options['enable_streaming_toggle']) && $current_options['enable_streaming_toggle'] === 'on')); |
| 1553 |
|
| 1554 |
// ADDED: Store streaming state in class property for use in private methods |
| 1555 |
$this->is_streaming = $is_streaming; |
| 1556 |
|
| 1557 |
// NOTE: Streaming headers are now set later via setup_streaming_headers() |
| 1558 |
// This allows actions/forms to return JSON responses without header conflicts |
| 1559 |
|
| 1560 |
// Check if MX Chat Moderation is active |
| 1561 |
if (class_exists('MX_Chat_Moderation')) { |
| 1562 |
// Get user email and IP |
| 1563 |
$user_email = ''; |
| 1564 |
$user_ip = $_SERVER['REMOTE_ADDR']; |
| 1565 |
|
| 1566 |
// If user is logged in, get their email |
| 1567 |
if (is_user_logged_in()) { |
| 1568 |
$current_user = wp_get_current_user(); |
| 1569 |
$user_email = $current_user->user_email; |
| 1570 |
} |
| 1571 |
|
| 1572 |
// Create ban handler instance |
| 1573 |
$ban_handler = new MX_Chat_Ban_Handler(); |
| 1574 |
|
| 1575 |
// Check if user is banned by IP |
| 1576 |
if ($ban_handler->check_ban($user_ip, 'ip')) { |
| 1577 |
wp_send_json([ |
| 1578 |
'success' => false, |
| 1579 |
'message' => esc_html__('Access denied. Your IP address has been banned.', 'mxchat'), |
| 1580 |
'status' => 'banned' |
| 1581 |
]); |
| 1582 |
wp_die(); |
| 1583 |
} |
| 1584 |
|
| 1585 |
// If user is logged in, also check email |
| 1586 |
if (!empty($user_email) && $ban_handler->check_ban($user_email, 'email')) { |
| 1587 |
wp_send_json([ |
| 1588 |
'success' => false, |
| 1589 |
'message' => esc_html__('Access denied. Your email address has been banned.', 'mxchat'), |
| 1590 |
'status' => 'banned' |
| 1591 |
]); |
| 1592 |
wp_die(); |
| 1593 |
} |
| 1594 |
} |
| 1595 |
|
| 1596 |
$this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []]; |
| 1597 |
$this->productCardHtml = ''; |
| 1598 |
$this->videoEmbedHtml = ''; |
| 1599 |
// Reset the per-turn function-calling UI capture (plan 48a57a). |
| 1600 |
$this->fc_ui_html = ''; |
| 1601 |
$this->fc_ui_images = array(); |
| 1602 |
$this->fc_ui_captured = false; |
| 1603 |
|
| 1604 |
// Get the actual WordPress user ID if logged in |
| 1605 |
$is_logged_in = is_user_logged_in(); |
| 1606 |
if ($is_logged_in) { |
| 1607 |
$user_id = get_current_user_id(); // This will get the actual WordPress user ID |
| 1608 |
} else { |
| 1609 |
// For logged-out users, use your existing identifier method |
| 1610 |
$user_id = $this->mxchat_get_user_identifier(); |
| 1611 |
} |
| 1612 |
|
| 1613 |
// Get and sanitize the user identifier |
| 1614 |
$user_id = sanitize_key($user_id); |
| 1615 |
|
| 1616 |
// Check rate limit using new settings structure |
| 1617 |
$rate_limit_result = $this->check_rate_limit(); |
| 1618 |
|
| 1619 |
if ($rate_limit_result !== true) { |
| 1620 |
wp_send_json([ |
| 1621 |
'success' => false, |
| 1622 |
'message' => $rate_limit_result['message'], |
| 1623 |
'status' => 'rate_limit_exceeded' |
| 1624 |
]); |
| 1625 |
wp_die(); |
| 1626 |
} |
| 1627 |
|
| 1628 |
// Rest of your existing code... |
| 1629 |
$session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : ''; |
| 1630 |
|
| 1631 |
// Treat the literal strings 'null' / 'undefined' as missing too. Browser edge cases |
| 1632 |
// (Safari ITP, private mode, cross-origin iframes with partitioned storage) can cause |
| 1633 |
// the frontend FormData.append() to stringify a null session_id into the literal |
| 1634 |
// "null", which would otherwise pass empty() and pollute the transcripts table with |
| 1635 |
// ghost sessions that group every visitor's first message under one row. |
| 1636 |
if ($session_id === 'null' || $session_id === 'undefined') { |
| 1637 |
$session_id = ''; |
| 1638 |
} |
| 1639 |
|
| 1640 |
if (empty($session_id)) { |
| 1641 |
wp_send_json_error(esc_html__('Session ID is missing.', 'mxchat')); |
| 1642 |
wp_die(); |
| 1643 |
} |
| 1644 |
|
| 1645 |
// Update session owner if it changed (e.g. IP changed due to network switch) |
| 1646 |
// The session ID itself is the authentication — if the client has it, they own it |
| 1647 |
$current_user_identifier = MxChat_User::mxchat_get_user_identifier(); |
| 1648 |
$session_owner = get_option("mxchat_session_owner_{$session_id}"); |
| 1649 |
|
| 1650 |
if (!$session_owner || $session_owner !== $current_user_identifier) { |
| 1651 |
update_option("mxchat_session_owner_{$session_id}", $current_user_identifier, 'no'); |
| 1652 |
} |
| 1653 |
|
| 1654 |
// Validate and sanitize the incoming message |
| 1655 |
if (empty($_POST['message'])) { |
| 1656 |
wp_send_json_error(esc_html__('No message received.', 'mxchat')); |
| 1657 |
wp_die(); |
| 1658 |
} |
| 1659 |
|
| 1660 |
// Enforce the configurable max input length (plan a3fae2 part C). 0 = unlimited. |
| 1661 |
// Server-side guard backing the textarea's client-side maxlength (which is bypassable). |
| 1662 |
// Reads the global core setting and measures characters (mb_strlen on the unslashed |
| 1663 |
// raw POST), matching the maxlength semantics. |
| 1664 |
$mxchat_max_input_length = isset($this->options['max_input_length']) ? intval($this->options['max_input_length']) : 0; |
| 1665 |
if ($mxchat_max_input_length > 0) { |
| 1666 |
$mxchat_incoming_raw = is_string($_POST['message']) ? wp_unslash($_POST['message']) : ''; |
| 1667 |
if (mb_strlen($mxchat_incoming_raw) > $mxchat_max_input_length) { |
| 1668 |
wp_send_json([ |
| 1669 |
'success' => false, |
| 1670 |
/* translators: %d: maximum allowed characters */ |
| 1671 |
'message' => sprintf(esc_html__('Your message is too long. Please keep it under %d characters.', 'mxchat'), $mxchat_max_input_length), |
| 1672 |
'status' => 'message_too_long' |
| 1673 |
]); |
| 1674 |
wp_die(); |
| 1675 |
} |
| 1676 |
} |
| 1677 |
|
| 1678 |
|
| 1679 |
// Track originating page for first message in session |
| 1680 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 1681 |
|
| 1682 |
// Check if originating page columns exist |
| 1683 |
$columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'"); |
| 1684 |
|
| 1685 |
if ($columns_exist) { |
| 1686 |
// Check if this session already has messages |
| 1687 |
$message_count = $wpdb->get_var($wpdb->prepare( |
| 1688 |
"SELECT COUNT(*) FROM $table_name WHERE session_id = %s", |
| 1689 |
$session_id |
| 1690 |
)); |
| 1691 |
|
| 1692 |
// If this is the first message in the session |
| 1693 |
if ($message_count == 0) { |
| 1694 |
// Get originating page from JavaScript (preferred) or HTTP_REFERER (fallback) |
| 1695 |
$originating_url = ''; |
| 1696 |
$originating_title = ''; |
| 1697 |
|
| 1698 |
// Try to get from POST data first (sent by JavaScript) |
| 1699 |
if (isset($_POST['current_page_url'])) { |
| 1700 |
$originating_url = esc_url_raw($_POST['current_page_url']); |
| 1701 |
$originating_title = isset($_POST['current_page_title']) |
| 1702 |
? sanitize_text_field($_POST['current_page_title']) |
| 1703 |
: ''; |
| 1704 |
} |
| 1705 |
// Fallback to HTTP_REFERER if not provided by JavaScript |
| 1706 |
else if (isset($_SERVER['HTTP_REFERER'])) { |
| 1707 |
$originating_url = esc_url_raw($_SERVER['HTTP_REFERER']); |
| 1708 |
} |
| 1709 |
|
| 1710 |
// Generate title if we have URL but no title |
| 1711 |
if ($originating_url && empty($originating_title)) { |
| 1712 |
$parsed_url = parse_url($originating_url); |
| 1713 |
$path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : ''; |
| 1714 |
|
| 1715 |
if (empty($path) || $path === 'index.php' || $path === 'index.html') { |
| 1716 |
$originating_title = 'Homepage'; |
| 1717 |
} else { |
| 1718 |
// Clean up the path to make a readable title |
| 1719 |
$originating_title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path); |
| 1720 |
$originating_title = ucwords(trim($originating_title)); |
| 1721 |
} |
| 1722 |
} |
| 1723 |
|
| 1724 |
// Store for later use when saving the message |
| 1725 |
$this->pending_originating_page = [ |
| 1726 |
'url' => $originating_url, |
| 1727 |
'title' => $originating_title |
| 1728 |
]; |
| 1729 |
} |
| 1730 |
} |
| 1731 |
|
| 1732 |
|
| 1733 |
|
| 1734 |
// Get page context if provided |
| 1735 |
$page_context = null; |
| 1736 |
if (isset($_POST['page_context']) && !empty($_POST['page_context'])) { |
| 1737 |
$page_context_raw = stripslashes($_POST['page_context']); |
| 1738 |
$page_context = json_decode($page_context_raw, true); |
| 1739 |
|
| 1740 |
// Validate page context structure |
| 1741 |
if (is_array($page_context) && |
| 1742 |
isset($page_context['url']) && |
| 1743 |
isset($page_context['title']) && |
| 1744 |
isset($page_context['content'])) { |
| 1745 |
|
| 1746 |
// Sanitize page context |
| 1747 |
$page_context['url'] = esc_url_raw($page_context['url']); |
| 1748 |
$page_context['title'] = sanitize_text_field($page_context['title']); |
| 1749 |
$page_context['content'] = wp_kses_post($page_context['content']); |
| 1750 |
} else { |
| 1751 |
$page_context = null; |
| 1752 |
} |
| 1753 |
} |
| 1754 |
|
| 1755 |
// Modify the message sanitization to preserve PHP tags in code blocks |
| 1756 |
$allowed_tags = [ |
| 1757 |
'pre' => [], |
| 1758 |
'code' => ['class' => true], |
| 1759 |
'span' => ['class' => true], |
| 1760 |
'div' => ['class' => true], |
| 1761 |
]; |
| 1762 |
|
| 1763 |
// First preserve code blocks |
| 1764 |
$message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) { |
| 1765 |
return htmlspecialchars_decode($matches[0]); |
| 1766 |
}, $_POST['message']); |
| 1767 |
|
| 1768 |
// Then apply sanitization |
| 1769 |
$message = wp_kses($message, $allowed_tags); |
| 1770 |
|
| 1771 |
// Preserve code blocks from markdown conversion |
| 1772 |
$message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message); |
| 1773 |
$message = apply_filters('mxchat_filter_message', $message, 'prompt', $session_id); |
| 1774 |
|
| 1775 |
// ===== SIMPLIFIED TESTING PANEL INITIALIZATION ===== |
| 1776 |
// Always initialize testing data for admins (no toggle needed) |
| 1777 |
$testing_data = null; |
| 1778 |
if (current_user_can('administrator')) { |
| 1779 |
// For vision messages, use the original user message for the query display |
| 1780 |
$query_for_testing = $message; |
| 1781 |
if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) { |
| 1782 |
$query_for_testing = sanitize_textarea_field($_POST['original_user_message']); |
| 1783 |
} |
| 1784 |
|
| 1785 |
$testing_data = [ |
| 1786 |
'query' => $query_for_testing, |
| 1787 |
'timestamp' => time(), |
| 1788 |
'top_matches' => [], |
| 1789 |
'action_matches' => [], // Initialize action matches array |
| 1790 |
'page_context' => $page_context, // Include page context in testing data |
| 1791 |
'is_vision' => isset($_POST['vision_processed']) && $_POST['vision_processed'], |
| 1792 |
'bot_id' => $bot_id // Include bot ID in testing data |
| 1793 |
]; |
| 1794 |
|
| 1795 |
// Get similarity threshold from bot options or default options |
| 1796 |
$similarity_threshold = isset($current_options['similarity_threshold']) |
| 1797 |
? ((int) $current_options['similarity_threshold']) / 100 |
| 1798 |
: 0.35; |
| 1799 |
|
| 1800 |
$testing_data['similarity_threshold'] = $similarity_threshold; |
| 1801 |
|
| 1802 |
// Determine knowledge base type using bot-specific config |
| 1803 |
$bot_pinecone_config = $this->get_bot_pinecone_config($bot_id); |
| 1804 |
$use_pinecone = isset($bot_pinecone_config['use_pinecone']) ? $bot_pinecone_config['use_pinecone'] : false; |
| 1805 |
$testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database'; |
| 1806 |
} |
| 1807 |
// ===== END SIMPLIFIED TESTING INITIALIZATION ===== |
| 1808 |
|
| 1809 |
// Add debug before and after: |
| 1810 |
//error_log('MxChat Core: About to call mxchat_pre_process_message filter with message: ' . $message); |
| 1811 |
$pre_processed_result = apply_filters('mxchat_pre_process_message', $message, $user_id, $session_id); |
| 1812 |
//error_log('MxChat Core: Filter returned: ' . (is_array($pre_processed_result) ? 'array' : $pre_processed_result)); |
| 1813 |
|
| 1814 |
|
| 1815 |
// If the pre-processing returned a result (not the original message), use it directly |
| 1816 |
if (is_array($pre_processed_result) && isset($pre_processed_result['text'])) { |
| 1817 |
// Save the AI response |
| 1818 |
$this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['text']); |
| 1819 |
|
| 1820 |
// Save HTML content if provided |
| 1821 |
if (!empty($pre_processed_result['html'])) { |
| 1822 |
$this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['html']); |
| 1823 |
} |
| 1824 |
|
| 1825 |
// Add testing data if admin |
| 1826 |
$response_data = [ |
| 1827 |
'text' => $pre_processed_result['text'], |
| 1828 |
'html' => $pre_processed_result['html'] ?? '', |
| 1829 |
'session_id' => $session_id |
| 1830 |
]; |
| 1831 |
|
| 1832 |
if ($testing_data !== null) { |
| 1833 |
$response_data['testing_data'] = $testing_data; |
| 1834 |
} |
| 1835 |
|
| 1836 |
wp_send_json($response_data); |
| 1837 |
wp_die(); |
| 1838 |
} |
| 1839 |
|
| 1840 |
// Save the user's message - handle vision processed messages differently |
| 1841 |
if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) { |
| 1842 |
// For vision messages, save the original user message with image indicator |
| 1843 |
$original_message = sanitize_textarea_field($_POST['original_user_message']); |
| 1844 |
if (isset($_POST['vision_images_count']) && $_POST['vision_images_count'] > 0) { |
| 1845 |
$image_count = intval($_POST['vision_images_count']); |
| 1846 |
$original_message .= " [{$image_count} image(s)]"; |
| 1847 |
} |
| 1848 |
$this->mxchat_save_chat_message($session_id, 'user', $original_message); |
| 1849 |
} else { |
| 1850 |
// Regular message - save as normal |
| 1851 |
$this->mxchat_save_chat_message($session_id, 'user', $message); |
| 1852 |
} |
| 1853 |
|
| 1854 |
|
| 1855 |
if (is_email($message)) { |
| 1856 |
// Add the email to Loops |
| 1857 |
$this->add_email_to_loops($message); |
| 1858 |
|
| 1859 |
// Get the user's success message instruction using current_options |
| 1860 |
$user_success_message = $current_options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat'); |
| 1861 |
|
| 1862 |
// Set instruction for AI using the user's success message |
| 1863 |
$this->current_action_instruction = $user_success_message; |
| 1864 |
|
| 1865 |
// Clear the email capture transient since we got the email |
| 1866 |
delete_transient('mxchat_email_capture_' . $user_id); |
| 1867 |
} |
| 1868 |
|
| 1869 |
// Check if we're in an email capture flow but user hasn't provided email yet |
| 1870 |
elseif (get_transient('mxchat_email_capture_' . $user_id)) { |
| 1871 |
// Check if the message contains an email (not the whole message being an email) |
| 1872 |
if (preg_match('/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b/', $message, $matches)) { |
| 1873 |
$extracted_email = $matches[0]; |
| 1874 |
|
| 1875 |
// Add the extracted email to Loops |
| 1876 |
$this->add_email_to_loops($extracted_email); |
| 1877 |
|
| 1878 |
// Get the user's success message instruction using current_options |
| 1879 |
$user_success_message = $current_options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat'); |
| 1880 |
|
| 1881 |
// Set instruction for AI using the user's success message |
| 1882 |
$this->current_action_instruction = $user_success_message; |
| 1883 |
|
| 1884 |
// Clear the email capture transient since we got the email |
| 1885 |
delete_transient('mxchat_email_capture_' . $user_id); |
| 1886 |
} |
| 1887 |
// If no email found but we're in capture mode, remind them |
| 1888 |
else { |
| 1889 |
// Get the original instruction to remind them using current_options |
| 1890 |
$original_instruction = $current_options['triggered_phrase_response'] ?? __("Please provide your email address.", 'mxchat'); |
| 1891 |
$this->current_action_instruction = $original_instruction; |
| 1892 |
} |
| 1893 |
} |
| 1894 |
|
| 1895 |
$intent_info = ''; |
| 1896 |
|
| 1897 |
// Check chat mode |
| 1898 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 1899 |
|
| 1900 |
// Handle agent mode |
| 1901 |
// Handle agent mode |
| 1902 |
if ($chat_mode === 'agent') { |
| 1903 |
// First, check for switch intent before doing anything else |
| 1904 |
$intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id); |
| 1905 |
|
| 1906 |
// Capture action analysis for testing panel after intent check |
| 1907 |
if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) { |
| 1908 |
$testing_data['action_matches'] = $this->last_action_analysis; |
| 1909 |
} |
| 1910 |
|
| 1911 |
// Around line 506, in the agent mode handling section: |
| 1912 |
if ($intent_matched && !empty($this->fallbackResponse['text'])) { |
| 1913 |
// Update chat mode first |
| 1914 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 1915 |
|
| 1916 |
// Clear any existing PDF context to start fresh |
| 1917 |
$this->clear_pdf_transients($session_id); |
| 1918 |
|
| 1919 |
// Prepare clean switch response with explicit chat_mode |
| 1920 |
$response_data = [ |
| 1921 |
'text' => $this->fallbackResponse['text'], |
| 1922 |
'html' => $this->fallbackResponse['html'] ?? '', |
| 1923 |
'session_id' => $session_id, |
| 1924 |
'chat_mode' => 'ai' // EXPLICITLY SET THIS |
| 1925 |
]; |
| 1926 |
|
| 1927 |
if ($testing_data !== null) { |
| 1928 |
$response_data['testing_data'] = $testing_data; |
| 1929 |
} |
| 1930 |
|
| 1931 |
// Save the mode switch message |
| 1932 |
$this->mxchat_save_chat_message($session_id, 'system', esc_html__('Switched to AI chat mode', 'mxchat')); |
| 1933 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']); |
| 1934 |
|
| 1935 |
// Send response and exit |
| 1936 |
wp_send_json($response_data); |
| 1937 |
wp_die(); |
| 1938 |
} elseif (!$intent_matched) { |
| 1939 |
// No intent matched, handle live agent message |
| 1940 |
try { |
| 1941 |
$this->mxchat_send_user_message_to_agent($message, $user_id, $session_id); |
| 1942 |
|
| 1943 |
$agent_response = [ |
| 1944 |
'status' => 'waiting_for_agent', |
| 1945 |
'message' => esc_html__('Message sent to live agent.', 'mxchat') |
| 1946 |
]; |
| 1947 |
|
| 1948 |
if ($testing_data !== null) { |
| 1949 |
$agent_response['testing_data'] = $testing_data; |
| 1950 |
} |
| 1951 |
|
| 1952 |
wp_send_json_success($agent_response); |
| 1953 |
} catch (\Exception $e) { |
| 1954 |
wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat')); |
| 1955 |
} |
| 1956 |
wp_die(); |
| 1957 |
} |
| 1958 |
} |
| 1959 |
|
| 1960 |
// Step 1: Check for new PDF URL in the message |
| 1961 |
if (!isset($_POST['vision_processed']) && preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) { |
| 1962 |
$new_pdf_url = $matches[0]; |
| 1963 |
|
| 1964 |
// Check if this is likely a PDF-related request |
| 1965 |
$pdf_keywords = ['pdf', 'document', 'read', 'analyze']; |
| 1966 |
$is_pdf_request = false; |
| 1967 |
|
| 1968 |
foreach ($pdf_keywords as $keyword) { |
| 1969 |
if (stripos($message, $keyword) !== false) { |
| 1970 |
$is_pdf_request = true; |
| 1971 |
break; |
| 1972 |
} |
| 1973 |
} |
| 1974 |
|
| 1975 |
// If it looks like a PDF request or we're waiting for a PDF URL |
| 1976 |
if ($is_pdf_request || get_transient('mxchat_waiting_for_pdf_url_' . $session_id)) { |
| 1977 |
// Validate HTTPS |
| 1978 |
if (wp_http_validate_url($new_pdf_url) && parse_url($new_pdf_url, PHP_URL_SCHEME) === 'https') { |
| 1979 |
// Extract filename from URL |
| 1980 |
$pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH)); |
| 1981 |
|
| 1982 |
// Clear previous PDF transients |
| 1983 |
$this->clear_pdf_transients($session_id); |
| 1984 |
|
| 1985 |
// Process new PDF using current_options |
| 1986 |
$max_pages = $current_options['pdf_max_pages'] ?? 69; |
| 1987 |
$embeddings = $this->fetch_and_split_pdf_pages($new_pdf_url, $max_pages); |
| 1988 |
|
| 1989 |
if ($embeddings === 'too_many_pages') { |
| 1990 |
$error_text = sprintf( |
| 1991 |
$current_options['pdf_intent_error_text'] ?? |
| 1992 |
esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'), |
| 1993 |
$max_pages |
| 1994 |
); |
| 1995 |
$this->fallbackResponse['text'] = $error_text; |
| 1996 |
} elseif ($embeddings) { |
| 1997 |
// Store new PDF information |
| 1998 |
$pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH)); |
| 1999 |
|
| 2000 |
// If the filename is generic, create a more descriptive one |
| 2001 |
if (in_array($pdf_filename, ['results_download.php', 'download.php', 'view.php', 'pdf.php']) || |
| 2002 |
strpos($pdf_filename, '.php') !== false) { |
| 2003 |
$pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf'; |
| 2004 |
} |
| 2005 |
|
| 2006 |
set_transient('mxchat_pdf_url_' . $session_id, $new_pdf_url, HOUR_IN_SECONDS); |
| 2007 |
set_transient('mxchat_pdf_filename_' . $session_id, $pdf_filename, HOUR_IN_SECONDS); |
| 2008 |
set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS); |
| 2009 |
set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS); |
| 2010 |
|
| 2011 |
$success_text = $current_options['pdf_intent_success_text'] ?? |
| 2012 |
esc_html__("I've processed the new PDF '{$pdf_filename}'. What questions do you have about it?", 'mxchat'); |
| 2013 |
|
| 2014 |
$pdf_response = [ |
| 2015 |
'success' => true, |
| 2016 |
'message' => $success_text, |
| 2017 |
'data' => [ |
| 2018 |
'filename' => $pdf_filename |
| 2019 |
] |
| 2020 |
]; |
| 2021 |
|
| 2022 |
if ($testing_data !== null) { |
| 2023 |
$pdf_response['testing_data'] = $testing_data; |
| 2024 |
} |
| 2025 |
|
| 2026 |
wp_send_json($pdf_response); |
| 2027 |
wp_die(); |
| 2028 |
} else { |
| 2029 |
$error_text = $current_options['pdf_intent_error_text'] ?? |
| 2030 |
esc_html__("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat'); |
| 2031 |
$this->fallbackResponse['text'] = $error_text; |
| 2032 |
} |
| 2033 |
|
| 2034 |
$pdf_error_response = [ |
| 2035 |
'success' => false, |
| 2036 |
'message' => $this->fallbackResponse['text'] |
| 2037 |
]; |
| 2038 |
|
| 2039 |
if ($testing_data !== null) { |
| 2040 |
$pdf_error_response['testing_data'] = $testing_data; |
| 2041 |
} |
| 2042 |
|
| 2043 |
wp_send_json($pdf_error_response); |
| 2044 |
wp_die(); |
| 2045 |
} |
| 2046 |
} |
| 2047 |
} |
| 2048 |
|
| 2049 |
|
| 2050 |
// Step 2: Detect intent and handle intent-based responses |
| 2051 |
$intent_result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id); |
| 2052 |
|
| 2053 |
// Capture action analysis for testing panel after intent check |
| 2054 |
if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) { |
| 2055 |
$testing_data['action_matches'] = $this->last_action_analysis; |
| 2056 |
} |
| 2057 |
|
| 2058 |
// Step 3: Handle the intent result appropriately |
| 2059 |
if ($intent_result !== false) { |
| 2060 |
// Intent was matched - ALWAYS send as JSON response, never streaming |
| 2061 |
|
| 2062 |
if (is_array($intent_result) && (isset($intent_result['text']) || isset($intent_result['html']))) { |
| 2063 |
// Intent returned a direct response array |
| 2064 |
$response_data = [ |
| 2065 |
'text' => $intent_result['text'] ?? '', |
| 2066 |
'html' => $intent_result['html'] ?? '', |
| 2067 |
'session_id' => $session_id |
| 2068 |
]; |
| 2069 |
|
| 2070 |
// IMPORTANT: Include chat_mode if present (for WhatsApp, Slack, etc.) |
| 2071 |
if (isset($intent_result['chat_mode'])) { |
| 2072 |
$response_data['chat_mode'] = $intent_result['chat_mode']; |
| 2073 |
} |
| 2074 |
|
| 2075 |
if ($testing_data !== null) { |
| 2076 |
$response_data['testing_data'] = $testing_data; |
| 2077 |
} |
| 2078 |
|
| 2079 |
wp_send_json($response_data); |
| 2080 |
wp_die(); |
| 2081 |
} else if ($intent_result === true && (!empty($this->fallbackResponse['text']) || !empty($this->fallbackResponse['html']))) { |
| 2082 |
// Intent returned true and set fallbackResponse |
| 2083 |
|
| 2084 |
// SAVE TO TRANSCRIPT |
| 2085 |
if (!empty($this->fallbackResponse['text'])) { |
| 2086 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']); |
| 2087 |
} |
| 2088 |
// Save action HTML (product cards, featured products, etc.) so it renders in transcripts |
| 2089 |
if (!empty($this->fallbackResponse['html'])) { |
| 2090 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']); |
| 2091 |
} |
| 2092 |
|
| 2093 |
$response_data = [ |
| 2094 |
'text' => $this->fallbackResponse['text'] ?? '', |
| 2095 |
'html' => $this->fallbackResponse['html'] ?? '', |
| 2096 |
'session_id' => $session_id |
| 2097 |
]; |
| 2098 |
|
| 2099 |
if (isset($this->fallbackResponse['chat_mode'])) { |
| 2100 |
$response_data['chat_mode'] = $this->fallbackResponse['chat_mode']; |
| 2101 |
} |
| 2102 |
|
| 2103 |
if ($testing_data !== null) { |
| 2104 |
$response_data['testing_data'] = $testing_data; |
| 2105 |
} |
| 2106 |
|
| 2107 |
wp_send_json($response_data); |
| 2108 |
wp_die(); |
| 2109 |
} |
| 2110 |
} |
| 2111 |
|
| 2112 |
// If we get here, no intent matched OR the intent didn't provide a usable response |
| 2113 |
|
| 2114 |
// Step 4: Generate AI response |
| 2115 |
// Get session start timestamp - when persistence is OFF, only include messages from this page load |
| 2116 |
$session_start_timestamp = isset($_POST['session_start_timestamp']) ? intval($_POST['session_start_timestamp']) : 0; |
| 2117 |
$conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id, $session_start_timestamp); |
| 2118 |
$this->mxchat_increment_chat_count(); |
| 2119 |
|
| 2120 |
// Generate embedding for the user's query - USE BOT-SPECIFIC API KEY |
| 2121 |
$api_key = $current_options['api_key'] ?? $this->options['api_key']; |
| 2122 |
$user_message_embedding = $this->mxchat_generate_embedding($message, $api_key); |
| 2123 |
|
| 2124 |
// Check if the embedding generation returned an error |
| 2125 |
if (is_array($user_message_embedding) && isset($user_message_embedding['error'])) { |
| 2126 |
$error_message = $user_message_embedding['error']; |
| 2127 |
$error_code = $user_message_embedding['error_code'] ?? 'embedding_error'; |
| 2128 |
|
| 2129 |
// FIXED: Send error in appropriate format based on streaming mode |
| 2130 |
if ($is_streaming) { |
| 2131 |
echo "data: " . json_encode([ |
| 2132 |
'error' => true, |
| 2133 |
'error_message' => $error_message, |
| 2134 |
'error_code' => $error_code, |
| 2135 |
'text' => $error_message, |
| 2136 |
'message' => $error_message |
| 2137 |
]) . "\n\n"; |
| 2138 |
echo "data: [DONE]\n\n"; |
| 2139 |
flush(); |
| 2140 |
} else { |
| 2141 |
wp_send_json_error([ |
| 2142 |
'error_message' => $error_message, |
| 2143 |
'error_code' => $error_code |
| 2144 |
]); |
| 2145 |
} |
| 2146 |
wp_die(); |
| 2147 |
} |
| 2148 |
|
| 2149 |
// Check if the embedding is valid |
| 2150 |
if (!is_array($user_message_embedding) || empty($user_message_embedding)) { |
| 2151 |
$error_message = esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'); |
| 2152 |
|
| 2153 |
// FIXED: Send error in appropriate format based on streaming mode |
| 2154 |
if ($is_streaming) { |
| 2155 |
echo "data: " . json_encode([ |
| 2156 |
'error' => true, |
| 2157 |
'error_message' => $error_message, |
| 2158 |
'error_code' => 'invalid_embedding', |
| 2159 |
'text' => $error_message, |
| 2160 |
'message' => $error_message |
| 2161 |
]) . "\n\n"; |
| 2162 |
echo "data: [DONE]\n\n"; |
| 2163 |
flush(); |
| 2164 |
} else { |
| 2165 |
wp_send_json_error([ |
| 2166 |
'error_message' => $error_message, |
| 2167 |
'error_code' => 'invalid_embedding' |
| 2168 |
]); |
| 2169 |
} |
| 2170 |
wp_die(); |
| 2171 |
} |
| 2172 |
|
| 2173 |
// Build context with both knowledge base and PDF content if available |
| 2174 |
$context_content = "User asked: '{$message}'\n\n"; |
| 2175 |
|
| 2176 |
// Add action instruction if present (add this right after the above line) |
| 2177 |
if (!empty($this->current_action_instruction)) { |
| 2178 |
$context_content .= "===== SPECIAL INSTRUCTION =====\n"; |
| 2179 |
$context_content .= "IMPORTANT: " . $this->current_action_instruction . "\n"; |
| 2180 |
$context_content .= "Respond naturally and conversationally while following this instruction.\n"; |
| 2181 |
$context_content .= "===== END SPECIAL INSTRUCTION =====\n\n"; |
| 2182 |
|
| 2183 |
// Clear the instruction after using it |
| 2184 |
$this->current_action_instruction = null; |
| 2185 |
} |
| 2186 |
|
| 2187 |
|
| 2188 |
// Add page context if available and contextual awareness is enabled using current_options |
| 2189 |
if ($page_context && isset($current_options['contextual_awareness_toggle']) && $current_options['contextual_awareness_toggle'] === 'on') { |
| 2190 |
$context_content .= "===== CURRENT PAGE CONTEXT =====\n"; |
| 2191 |
$context_content .= "Page URL: " . $page_context['url'] . "\n"; |
| 2192 |
$context_content .= "Page Title: " . $page_context['title'] . "\n"; |
| 2193 |
$context_content .= "Page Content: " . $page_context['content'] . "\n"; |
| 2194 |
$context_content .= "===== END CURRENT PAGE CONTEXT =====\n\n"; |
| 2195 |
} |
| 2196 |
|
| 2197 |
// Get relevant content from knowledge base - PASS BOT_ID and MESSAGE for Vector Store |
| 2198 |
$relevant_content = $this->mxchat_find_relevant_content($user_message_embedding, $bot_id, $message); |
| 2199 |
|
| 2200 |
// NEW: Also extract URLs from system instructions (only if citation links enabled) |
| 2201 |
// Use fresh options to ensure we get the latest setting value |
| 2202 |
$fresh_options = get_option('mxchat_options', []); |
| 2203 |
$citation_links_enabled = isset($fresh_options['citation_links_toggle']) ? ($fresh_options['citation_links_toggle'] === 'on') : true; |
| 2204 |
|
| 2205 |
$system_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 2206 |
if ($citation_links_enabled && !empty($system_instructions)) { |
| 2207 |
preg_match_all( |
| 2208 |
'#\bhttps?://[^\s<>"\']+#i', |
| 2209 |
$system_instructions, |
| 2210 |
$system_instruction_urls |
| 2211 |
); |
| 2212 |
|
| 2213 |
if (!empty($system_instruction_urls[0])) { |
| 2214 |
// Merge with existing valid URLs |
| 2215 |
$this->current_valid_urls = array_merge( |
| 2216 |
$this->current_valid_urls, |
| 2217 |
$system_instruction_urls[0] |
| 2218 |
); |
| 2219 |
// Remove duplicates |
| 2220 |
$this->current_valid_urls = array_unique($this->current_valid_urls); |
| 2221 |
|
| 2222 |
//error_log("Added " . count($system_instruction_urls[0]) . " URLs from system instructions"); |
| 2223 |
} |
| 2224 |
} |
| 2225 |
|
| 2226 |
// ===== CAPTURE REAL SIMILARITY DATA FOR ADMINS ===== |
| 2227 |
if ($testing_data !== null && $this->last_similarity_analysis !== null) { |
| 2228 |
// Update testing data with the REAL similarity analysis |
| 2229 |
$testing_data['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 2230 |
$testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 2231 |
$testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type']; |
| 2232 |
$testing_data['sources_used'] = $this->last_similarity_analysis['sources_used'] ?? 0; |
| 2233 |
$testing_data['total_chunks_used'] = $this->last_similarity_analysis['total_chunks_used'] ?? 0; |
| 2234 |
} |
| 2235 |
// ===== END SIMILARITY DATA CAPTURE ===== |
| 2236 |
|
| 2237 |
// NEW: Add valid URLs to testing data for admin panel display (AFTER similarity data) |
| 2238 |
if ($testing_data !== null && !empty($this->current_valid_urls)) { |
| 2239 |
$testing_data['approved_urls'] = array_values($this->current_valid_urls); |
| 2240 |
//error_log("Added " . count($this->current_valid_urls) . " approved URLs to testing data"); |
| 2241 |
} |
| 2242 |
|
| 2243 |
$kb_block = !empty($relevant_content) |
| 2244 |
? "===== OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n" . $relevant_content . "\n===== END OF OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n\n" |
| 2245 |
: "===== NO RELEVANT CONTENT FOUND IN KNOWLEDGE DATABASE =====\n"; |
| 2246 |
|
| 2247 |
// {context} placeholder (plan 59bc1b): when the resolved instructions |
| 2248 |
// carry the token, the KB block is injected at that spot by |
| 2249 |
// get_system_instructions() (every provider handler re-calls it) and is |
| 2250 |
// NOT appended here — otherwise the block would ride twice. |
| 2251 |
// $system_instructions above was resolved while context_kb_block was |
| 2252 |
// still null, so the literal token is still visible for this check. |
| 2253 |
if (!empty($system_instructions) && stripos($system_instructions, '{context}') !== false) { |
| 2254 |
$this->context_kb_block = $kb_block; |
| 2255 |
} else { |
| 2256 |
$context_content .= $kb_block; |
| 2257 |
} |
| 2258 |
|
| 2259 |
// NEW: Add approved URLs list to context for AI (only if citation links enabled) |
| 2260 |
if ($citation_links_enabled && !empty($this->current_valid_urls)) { |
| 2261 |
$context_content .= "===== APPROVED URLS FOR CITATIONS =====\n"; |
| 2262 |
$context_content .= "You may ONLY use these exact URLs in your response:\n"; |
| 2263 |
foreach ($this->current_valid_urls as $url) { |
| 2264 |
$context_content .= "- " . $url . "\n"; |
| 2265 |
} |
| 2266 |
$context_content .= "\nCRITICAL: Do NOT create, modify, extend, or invent any other URLs. "; |
| 2267 |
$context_content .= "===== END APPROVED URLS =====\n\n"; |
| 2268 |
} |
| 2269 |
|
| 2270 |
// Check for and include PDF content |
| 2271 |
$pdf_url = get_transient('mxchat_pdf_url_' . $session_id); |
| 2272 |
$pdf_embeddings = get_transient('mxchat_pdf_embeddings_' . $session_id); |
| 2273 |
$pdf_filename = get_transient('mxchat_pdf_filename_' . $session_id); |
| 2274 |
if ($pdf_url && $pdf_embeddings && get_transient('mxchat_include_pdf_in_context_' . $session_id)) { |
| 2275 |
$relevant_pdf_pages = $this->find_relevant_pdf_pages($user_message_embedding, $pdf_embeddings); |
| 2276 |
if (!empty($relevant_pdf_pages)) { |
| 2277 |
$context_content .= "Relevant content from PDF document '{$pdf_filename}':\n"; |
| 2278 |
foreach ($relevant_pdf_pages as $page_data) { |
| 2279 |
$context_content .= "Page {$page_data['page_number']} of '{$pdf_filename}': {$page_data['text']}\n"; |
| 2280 |
} |
| 2281 |
$context_content .= "\n"; |
| 2282 |
} |
| 2283 |
} |
| 2284 |
|
| 2285 |
// Check for and include Word content |
| 2286 |
$word_url = get_transient('mxchat_word_url_' . $session_id); |
| 2287 |
$word_embeddings = get_transient('mxchat_word_embeddings_' . $session_id); |
| 2288 |
$word_filename = get_transient('mxchat_word_filename_' . $session_id); |
| 2289 |
if ($word_url && $word_embeddings && get_transient('mxchat_include_word_in_context_' . $session_id)) { |
| 2290 |
$relevant_word_chunks = $this->word_handler->mxchat_find_relevant_word_chunks($user_message_embedding, $word_embeddings); |
| 2291 |
if (!empty($relevant_word_chunks)) { |
| 2292 |
$context_content .= "Relevant content from Word document '{$word_filename}':\n"; |
| 2293 |
foreach ($relevant_word_chunks as $chunk_data) { |
| 2294 |
$context_content .= "Section {$chunk_data['chunk_number']} of '{$word_filename}': {$chunk_data['text']}\n"; |
| 2295 |
} |
| 2296 |
$context_content .= "\n"; |
| 2297 |
} |
| 2298 |
} |
| 2299 |
|
| 2300 |
$context_content = apply_filters('mxchat_prepare_context', $context_content, $session_id); |
| 2301 |
|
| 2302 |
// Extract model from current options for bot-specific model support |
| 2303 |
$selected_model = isset($current_options['model']) ? $current_options['model'] : 'gpt-5.6-sol'; |
| 2304 |
|
| 2305 |
// ===== Native function-calling fallback (plan-mxchat-20260617-a41dee) ===== |
| 2306 |
// Intents already missed (we're past the intent router). If function |
| 2307 |
// calling is enabled and the active model is tool-capable, let the model |
| 2308 |
// SELECT and run registered callbacks as tools — independent of intents, |
| 2309 |
// works with zero Actions. The tool round is buffered; the final answer is |
| 2310 |
// emitted via the SAME envelopes the normal path uses. Default-off, so |
| 2311 |
// existing installs never enter this branch. |
| 2312 |
if ($this->mxchat_fc_should_run($selected_model)) { |
| 2313 |
$fc_outcome = $this->mxchat_fc_attempt( |
| 2314 |
$message, |
| 2315 |
$context_content, |
| 2316 |
$conversation_history, |
| 2317 |
$selected_model, |
| 2318 |
$current_options, |
| 2319 |
$session_id, |
| 2320 |
$user_id |
| 2321 |
); |
| 2322 |
if (is_array($fc_outcome) && !empty($fc_outcome['handled'])) { |
| 2323 |
$fc_text = isset($fc_outcome['text']) ? $fc_outcome['text'] : ''; |
| 2324 |
if (!empty($this->current_valid_urls)) { |
| 2325 |
$fc_text = $this->validate_and_clean_urls($fc_text, $this->current_valid_urls, $session_id, $bot_id); |
| 2326 |
} |
| 2327 |
// plan-mxchat-20260617-48a57a — surface any UI element a tool |
| 2328 |
// produced (generated image / product card / image gallery) so the |
| 2329 |
// widget RENDERS it, instead of emitting only the model's text. |
| 2330 |
// The html was already saved to the transcript in |
| 2331 |
// mxchat_fc_execute_tool (or by the callback itself for self-saving |
| 2332 |
// core tools), so we persist ONLY the model's caption text here. |
| 2333 |
$fc_html = isset($this->fc_ui_html) ? $this->fc_ui_html : ''; |
| 2334 |
|
| 2335 |
if ($fc_text !== '') { |
| 2336 |
$this->mxchat_save_chat_message($session_id, 'bot', $fc_text, null, null); |
| 2337 |
} |
| 2338 |
|
| 2339 |
// A video-backed KB source queued during retrieval (03ba33) must |
| 2340 |
// surface on the FC path too — the FC envelopes below are the ONLY |
| 2341 |
// exit for this turn, so append it to the html channel and persist |
| 2342 |
// it (tool html was already saved in mxchat_fc_execute_tool; the |
| 2343 |
// video embed has no other save point on this path). |
| 2344 |
if (!empty($this->videoEmbedHtml)) { |
| 2345 |
$fc_html .= $this->videoEmbedHtml; |
| 2346 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->videoEmbedHtml); |
| 2347 |
} |
| 2348 |
|
| 2349 |
if ($is_streaming) { |
| 2350 |
// The frontend SSE reader routes any event carrying text/html |
| 2351 |
// to handleNonStreamResponse(), which renders text + html in a |
| 2352 |
// single bot message — so emit one complete event (mirrors the |
| 2353 |
// intent path's text/html envelope). |
| 2354 |
$sse = array('session_id' => $session_id); |
| 2355 |
if ($fc_text !== '') $sse['text'] = $fc_text; |
| 2356 |
if ($fc_html !== '') $sse['html'] = $fc_html; |
| 2357 |
if ($fc_text === '' && $fc_html === '') $sse['text'] = $this->mxchat_fc_giveup_text(); |
| 2358 |
echo "data: " . wp_json_encode($sse) . "\n\n"; |
| 2359 |
echo "data: [DONE]\n\n"; |
| 2360 |
flush(); |
| 2361 |
} else { |
| 2362 |
$fc_response_data = array('text' => $fc_text, 'html' => $fc_html, 'session_id' => $session_id); |
| 2363 |
if ($testing_data !== null) { |
| 2364 |
$fc_response_data['testing_data'] = $testing_data; |
| 2365 |
} |
| 2366 |
wp_send_json($fc_response_data); |
| 2367 |
} |
| 2368 |
wp_die(); |
| 2369 |
} |
| 2370 |
} |
| 2371 |
// ===== end function-calling fallback ===== |
| 2372 |
|
| 2373 |
// Streaming + a queued video embed (03ba33): the provider handlers own the |
| 2374 |
// token stream and the [DONE] terminator, so the embed rides a dedicated |
| 2375 |
// append_html SSE event emitted BEFORE the stream starts. The client |
| 2376 |
// stashes it and appends it as its own bot bubble after [DONE] — old |
| 2377 |
// cached widget JS simply ignores the unknown key (no content/text/html/ |
| 2378 |
// error field, so no branch matches). Transcript save happens after the |
| 2379 |
// stream completes, so history order matches the live order (text, then |
| 2380 |
// embed). |
| 2381 |
if ($is_streaming && !empty($this->videoEmbedHtml)) { |
| 2382 |
echo "data: " . wp_json_encode(array( |
| 2383 |
'append_html' => $this->videoEmbedHtml, |
| 2384 |
'session_id' => $session_id, |
| 2385 |
)) . "\n\n"; |
| 2386 |
flush(); |
| 2387 |
} |
| 2388 |
|
| 2389 |
$response = $this->mxchat_generate_response( |
| 2390 |
$context_content, |
| 2391 |
$current_options['api_key'] ?? $this->options['api_key'], |
| 2392 |
$current_options['xai_api_key'] ?? $this->options['xai_api_key'], |
| 2393 |
$current_options['claude_api_key'] ?? $this->options['claude_api_key'], |
| 2394 |
$current_options['deepseek_api_key'] ?? $this->options['deepseek_api_key'], |
| 2395 |
$current_options['gemini_api_key'] ?? $this->options['gemini_api_key'], |
| 2396 |
$current_options['openrouter_api_key'] ?? $this->options['openrouter_api_key'], |
| 2397 |
$conversation_history, |
| 2398 |
$is_streaming, |
| 2399 |
$session_id, |
| 2400 |
$testing_data, |
| 2401 |
$selected_model |
| 2402 |
); |
| 2403 |
|
| 2404 |
// Handle streaming vs non-streaming responses |
| 2405 |
if ($is_streaming) { |
| 2406 |
// Check if streaming actually happened or if it fell back to regular response |
| 2407 |
if ($response === true) { |
| 2408 |
// Persist the video embed AFTER the provider saved the streamed |
| 2409 |
// text, so history replays in the same order the visitor saw |
| 2410 |
// (text bubble, then embed bubble). See 03ba33. |
| 2411 |
if (!empty($this->videoEmbedHtml)) { |
| 2412 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->videoEmbedHtml); |
| 2413 |
} |
| 2414 |
wp_die(); |
| 2415 |
} |
| 2416 |
// If we get here, streaming fell back to regular response, continue |
| 2417 |
// But if there's an error, we need to send it as SSE format since headers are already set |
| 2418 |
if (is_array($response) && isset($response['error'])) { |
| 2419 |
$error_message = $response['error']; |
| 2420 |
$error_code = $response['error_code'] ?? 'api_error'; |
| 2421 |
// Send error in SSE format that the client JS can handle |
| 2422 |
echo "data: " . json_encode([ |
| 2423 |
'error' => true, |
| 2424 |
'error_message' => $error_message, |
| 2425 |
'error_code' => $error_code, |
| 2426 |
'text' => $error_message, // Also include as text for fallback handling |
| 2427 |
'message' => $error_message |
| 2428 |
]) . "\n\n"; |
| 2429 |
echo "data: [DONE]\n\n"; |
| 2430 |
flush(); |
| 2431 |
wp_die(); |
| 2432 |
} |
| 2433 |
} |
| 2434 |
|
| 2435 |
// Check if the response is an error array (non-streaming mode) |
| 2436 |
if (is_array($response) && isset($response['error'])) { |
| 2437 |
wp_send_json_error([ |
| 2438 |
'error_message' => $response['error'], |
| 2439 |
'error_code' => $response['error_code'] ?? 'api_error' |
| 2440 |
]); |
| 2441 |
wp_die(); |
| 2442 |
} |
| 2443 |
|
| 2444 |
// DEBUG: Check what we have |
| 2445 |
//error_log("=== BEFORE URL VALIDATION ==="); |
| 2446 |
//error_log("current_valid_urls is empty? " . (empty($this->current_valid_urls) ? 'YES' : 'NO')); |
| 2447 |
//error_log("current_valid_urls count: " . count($this->current_valid_urls)); |
| 2448 |
//error_log("current_valid_urls content: " . print_r($this->current_valid_urls, true)); |
| 2449 |
|
| 2450 |
// If we get here, the response is valid text - now validate URLs |
| 2451 |
if (!empty($this->current_valid_urls)) { |
| 2452 |
//error_log("CALLING validate_and_clean_urls"); |
| 2453 |
$response = $this->validate_and_clean_urls($response, $this->current_valid_urls, $session_id, $bot_id); |
| 2454 |
} else { |
| 2455 |
//error_log("SKIPPING validation - current_valid_urls is empty"); |
| 2456 |
} |
| 2457 |
// ===== END URL VALIDATION ===== |
| 2458 |
|
| 2459 |
// Prepare RAG context data for storage (only include documents used for context) |
| 2460 |
$rag_context_for_storage = null; |
| 2461 |
$has_rag_data = $this->last_similarity_analysis !== null && !empty($this->last_similarity_analysis['top_matches']); |
| 2462 |
$has_action_data = isset($this->last_action_analysis) && !empty($this->last_action_analysis); |
| 2463 |
|
| 2464 |
if ($has_rag_data || $has_action_data) { |
| 2465 |
$rag_context_for_storage = []; |
| 2466 |
|
| 2467 |
// Add RAG/source data if available |
| 2468 |
if ($has_rag_data) { |
| 2469 |
$rag_context_for_storage['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 2470 |
$rag_context_for_storage['approved_urls'] = $this->current_valid_urls ?? []; |
| 2471 |
$rag_context_for_storage['similarity_threshold'] = $this->last_similarity_analysis['threshold_used'] ?? 0.35; |
| 2472 |
$rag_context_for_storage['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'] ?? 'WordPress Database'; |
| 2473 |
$rag_context_for_storage['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 2474 |
$rag_context_for_storage['sources_used'] = $this->last_similarity_analysis['sources_used'] ?? 0; |
| 2475 |
$rag_context_for_storage['total_chunks_used'] = $this->last_similarity_analysis['total_chunks_used'] ?? 0; |
| 2476 |
} |
| 2477 |
|
| 2478 |
// Add action analysis data if available |
| 2479 |
if ($has_action_data) { |
| 2480 |
$rag_context_for_storage['action_analysis'] = $this->last_action_analysis; |
| 2481 |
} |
| 2482 |
} |
| 2483 |
|
| 2484 |
// Save the cleaned response with RAG context |
| 2485 |
$this->mxchat_save_chat_message($session_id, 'bot', $response, null, $rag_context_for_storage); |
| 2486 |
|
| 2487 |
// Step 5: Save additional content if available |
| 2488 |
if (!empty($this->productCardHtml)) { |
| 2489 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->productCardHtml); |
| 2490 |
} |
| 2491 |
|
| 2492 |
if (!empty($this->fallbackResponse['html'])) { |
| 2493 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']); |
| 2494 |
} |
| 2495 |
|
| 2496 |
if (!empty($this->videoEmbedHtml)) { |
| 2497 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->videoEmbedHtml); |
| 2498 |
} |
| 2499 |
|
| 2500 |
// Step 6: Return the response |
| 2501 |
// DEBUG: Check if newlines exist in the response |
| 2502 |
//error_log("=== MXCHAT NON-STREAMING RESPONSE DEBUG ==="); |
| 2503 |
//error_log("Response has newlines: " . (strpos($response, "\n") !== false ? 'YES' : 'NO')); |
| 2504 |
//error_log("Response first 500 chars: " . substr($response, 0, 500)); |
| 2505 |
|
| 2506 |
// Product cards and action html keep their existing either/or precedence; |
| 2507 |
// a queued video embed (03ba33) is APPENDED so it can coexist with both. |
| 2508 |
$additional_html = !empty($this->productCardHtml) ? $this->productCardHtml : ($this->fallbackResponse['html'] ?? ''); |
| 2509 |
if (!empty($this->videoEmbedHtml)) { |
| 2510 |
$additional_html .= $this->videoEmbedHtml; |
| 2511 |
} |
| 2512 |
|
| 2513 |
$response_data = [ |
| 2514 |
'text' => $response, |
| 2515 |
'html' => $additional_html, |
| 2516 |
'session_id' => $session_id |
| 2517 |
]; |
| 2518 |
|
| 2519 |
// Include vectorstore error info for admin debugging (only visible to admins via testing_data) |
| 2520 |
if (!empty($this->last_vectorstore_error) && $testing_data !== null) { |
| 2521 |
$testing_data['vectorstore_error'] = $this->last_vectorstore_error; |
| 2522 |
} |
| 2523 |
|
| 2524 |
// Also pass it as a top-level field so JS can show a better error message to admins |
| 2525 |
if (!empty($this->last_vectorstore_error) && current_user_can('manage_options')) { |
| 2526 |
$response_data['vectorstore_error'] = $this->last_vectorstore_error; |
| 2527 |
} |
| 2528 |
|
| 2529 |
// Always add testing data for admins (no toggle needed) |
| 2530 |
if ($testing_data !== null) { |
| 2531 |
$response_data['testing_data'] = $testing_data; |
| 2532 |
} |
| 2533 |
|
| 2534 |
wp_send_json($response_data); |
| 2535 |
wp_die(); |
| 2536 |
} |
| 2537 |
|
| 2538 |
/** |
| 2539 |
* Get bot-specific options for multi-bot functionality |
| 2540 |
* Falls back to default options if bot_id is 'default' or multi-bot add-on is not active |
| 2541 |
*/ |
| 2542 |
// Also debug the bot options retrieval |
| 2543 |
private function get_bot_options($bot_id = 'default') { |
| 2544 |
//error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id); |
| 2545 |
|
| 2546 |
// The admin Testing tab renders the real widget as bot_id "testing", which |
| 2547 |
// is not a registered multi-bot. It must resolve the DEFAULT bot's config |
| 2548 |
// so the Testing chat behaves exactly like the front-end (same precedent |
| 2549 |
// as the Actions enabled_bots check). |
| 2550 |
if ($bot_id === 'testing') { |
| 2551 |
$bot_id = 'default'; |
| 2552 |
} |
| 2553 |
|
| 2554 |
if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) { |
| 2555 |
//error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')"); |
| 2556 |
return array(); |
| 2557 |
} |
| 2558 |
|
| 2559 |
$bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id); |
| 2560 |
|
| 2561 |
if (!empty($bot_options)) { |
| 2562 |
//error_log("MXCHAT DEBUG: Got bot-specific options from filter"); |
| 2563 |
if (isset($bot_options['similarity_threshold'])) { |
| 2564 |
//error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']); |
| 2565 |
} |
| 2566 |
} |
| 2567 |
|
| 2568 |
return is_array($bot_options) ? $bot_options : array(); |
| 2569 |
} |
| 2570 |
|
| 2571 |
/** |
| 2572 |
* Get bot-specific Pinecone configuration |
| 2573 |
* Used in the knowledge retrieval functions |
| 2574 |
*/ |
| 2575 |
// Also add debugging to your get_bot_pinecone_config function |
| 2576 |
private function get_bot_pinecone_config($bot_id = 'default') { |
| 2577 |
//error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id); |
| 2578 |
|
| 2579 |
// Admin Testing tab bot → resolve the DEFAULT bot's backend. Without this, |
| 2580 |
// on a multi-bot + Pinecone site the filter below gets an unknown bot id |
| 2581 |
// with an EMPTY default, returns array(), and the dispatcher silently |
| 2582 |
// searches the WordPress DB while the front-end searches Pinecone — the |
| 2583 |
// Testing panel then reports similarity results from a different KB. |
| 2584 |
if ($bot_id === 'testing') { |
| 2585 |
$bot_id = 'default'; |
| 2586 |
} |
| 2587 |
|
| 2588 |
// If default bot or multi-bot add-on not active, use default Pinecone config |
| 2589 |
if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) { |
| 2590 |
//error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')"); |
| 2591 |
$addon_options = get_option('mxchat_pinecone_addon_options', array()); |
| 2592 |
$config = array( |
| 2593 |
'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'), |
| 2594 |
'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '', |
| 2595 |
'host' => $addon_options['mxchat_pinecone_host'] ?? '', |
| 2596 |
'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? '' |
| 2597 |
); |
| 2598 |
//error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false')); |
| 2599 |
return $config; |
| 2600 |
} |
| 2601 |
|
| 2602 |
//error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id); |
| 2603 |
|
| 2604 |
// Hook for multi-bot add-on to provide bot-specific Pinecone config |
| 2605 |
$bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id); |
| 2606 |
|
| 2607 |
if (!empty($bot_pinecone_config)) { |
| 2608 |
//error_log("MXCHAT DEBUG: Got bot-specific config from filter"); |
| 2609 |
//error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set')); |
| 2610 |
//error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set')); |
| 2611 |
//error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set')); |
| 2612 |
} else { |
| 2613 |
//error_log("MXCHAT DEBUG: Filter returned empty config!"); |
| 2614 |
} |
| 2615 |
|
| 2616 |
return is_array($bot_pinecone_config) ? $bot_pinecone_config : array(); |
| 2617 |
} |
| 2618 |
|
| 2619 |
|
| 2620 |
// Updated function to check intents and invoke the callback function |
| 2621 |
private function mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id) { |
| 2622 |
global $wpdb; |
| 2623 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 2624 |
|
| 2625 |
// Get the current bot_id |
| 2626 |
$current_bot_id = $this->get_current_bot_id($session_id); |
| 2627 |
|
| 2628 |
// Generate the user embedding |
| 2629 |
$user_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']); |
| 2630 |
|
| 2631 |
// Check if embedding generation returned an error |
| 2632 |
if (is_array($user_embedding) && isset($user_embedding['error'])) { |
| 2633 |
$error_message = $user_embedding['error']; |
| 2634 |
$error_code = $user_embedding['error_code'] ?? 'embedding_error'; |
| 2635 |
|
| 2636 |
// FIXED: Send error in appropriate format based on streaming mode |
| 2637 |
if ($this->is_streaming) { |
| 2638 |
echo "data: " . json_encode([ |
| 2639 |
'error' => true, |
| 2640 |
'error_message' => $error_message, |
| 2641 |
'error_code' => $error_code, |
| 2642 |
'text' => $error_message, |
| 2643 |
'message' => $error_message |
| 2644 |
]) . "\n\n"; |
| 2645 |
echo "data: [DONE]\n\n"; |
| 2646 |
flush(); |
| 2647 |
} else { |
| 2648 |
wp_send_json_error([ |
| 2649 |
'error_message' => $error_message, |
| 2650 |
'error_code' => $error_code |
| 2651 |
]); |
| 2652 |
} |
| 2653 |
wp_die(); |
| 2654 |
} |
| 2655 |
|
| 2656 |
// Check if embedding is valid |
| 2657 |
if (!is_array($user_embedding) || empty($user_embedding)) { |
| 2658 |
$error_message = esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'); |
| 2659 |
|
| 2660 |
// FIXED: Send error in appropriate format based on streaming mode |
| 2661 |
if ($this->is_streaming) { |
| 2662 |
echo "data: " . json_encode([ |
| 2663 |
'error' => true, |
| 2664 |
'error_message' => $error_message, |
| 2665 |
'error_code' => 'invalid_embedding', |
| 2666 |
'text' => $error_message, |
| 2667 |
'message' => $error_message |
| 2668 |
]) . "\n\n"; |
| 2669 |
echo "data: [DONE]\n\n"; |
| 2670 |
flush(); |
| 2671 |
} else { |
| 2672 |
wp_send_json_error([ |
| 2673 |
'error_message' => $error_message, |
| 2674 |
'error_code' => 'invalid_embedding' |
| 2675 |
]); |
| 2676 |
} |
| 2677 |
wp_die(); |
| 2678 |
} |
| 2679 |
|
| 2680 |
// Fetch intents from the database |
| 2681 |
$table_name = $wpdb->prefix . 'mxchat_intents'; |
| 2682 |
if ($chat_mode === 'agent') { |
| 2683 |
$query = $wpdb->prepare( |
| 2684 |
"SELECT * FROM $table_name WHERE callback_function = %s AND (enabled = 1 OR enabled IS NULL)", |
| 2685 |
'mxchat_handle_switch_to_chatbot_intent' |
| 2686 |
); |
| 2687 |
$intents = $wpdb->get_results($query); |
| 2688 |
} else { |
| 2689 |
$intents = $wpdb->get_results("SELECT * FROM $table_name WHERE enabled = 1 OR enabled IS NULL"); |
| 2690 |
} |
| 2691 |
|
| 2692 |
if (empty($intents)) { |
| 2693 |
return false; |
| 2694 |
} |
| 2695 |
|
| 2696 |
// Prefetch individual phrase vectors from wp_mxchat_intent_phrases (grouped by intent_id) |
| 2697 |
$phrases_table = $wpdb->prefix . 'mxchat_intent_phrases'; |
| 2698 |
$phrases_by_intent = []; |
| 2699 |
if ($wpdb->get_var("SHOW TABLES LIKE '$phrases_table'") === $phrases_table) { |
| 2700 |
$all_phrases = $wpdb->get_results("SELECT intent_id, phrase, embedding_vector FROM $phrases_table"); |
| 2701 |
foreach ($all_phrases as $p) { |
| 2702 |
$phrases_by_intent[$p->intent_id][] = $p; |
| 2703 |
} |
| 2704 |
} |
| 2705 |
|
| 2706 |
$highest_similarity = -INF; |
| 2707 |
$matched_intent = null; |
| 2708 |
|
| 2709 |
// Array to store action analysis for testing panel |
| 2710 |
$action_analysis = []; |
| 2711 |
|
| 2712 |
foreach ($intents as $intent) { |
| 2713 |
// Additional check for enabled state |
| 2714 |
$is_enabled = isset($intent->enabled) ? (bool)$intent->enabled : true; |
| 2715 |
if (!$is_enabled) { |
| 2716 |
continue; |
| 2717 |
} |
| 2718 |
|
| 2719 |
// Check if this action is enabled for the current bot |
| 2720 |
if (!$this->is_action_enabled_for_bot($intent, $current_bot_id)) { |
| 2721 |
continue; |
| 2722 |
} |
| 2723 |
|
| 2724 |
$best_similarity = -INF; |
| 2725 |
$matched_phrase_text = ''; |
| 2726 |
|
| 2727 |
// Check legacy embedding vector (existing behavior) |
| 2728 |
$intent_embedding_serialized = $intent->embedding_vector; |
| 2729 |
$intent_embedding = $intent_embedding_serialized |
| 2730 |
? unserialize($intent_embedding_serialized, ['allowed_classes' => false]) |
| 2731 |
: null; |
| 2732 |
|
| 2733 |
if (is_array($intent_embedding) && !empty($intent_embedding)) { |
| 2734 |
$legacy_similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding); |
| 2735 |
if ($legacy_similarity > $best_similarity) { |
| 2736 |
$best_similarity = $legacy_similarity; |
| 2737 |
$matched_phrase_text = 'legacy'; |
| 2738 |
} |
| 2739 |
} |
| 2740 |
|
| 2741 |
// Check individual phrase vectors |
| 2742 |
if (isset($phrases_by_intent[$intent->id])) { |
| 2743 |
foreach ($phrases_by_intent[$intent->id] as $phrase_row) { |
| 2744 |
$phrase_embedding = $phrase_row->embedding_vector |
| 2745 |
? unserialize($phrase_row->embedding_vector, ['allowed_classes' => false]) |
| 2746 |
: null; |
| 2747 |
if (!is_array($phrase_embedding)) { |
| 2748 |
continue; |
| 2749 |
} |
| 2750 |
$phrase_similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $phrase_embedding); |
| 2751 |
if ($phrase_similarity > $best_similarity) { |
| 2752 |
$best_similarity = $phrase_similarity; |
| 2753 |
$matched_phrase_text = $phrase_row->phrase; |
| 2754 |
} |
| 2755 |
} |
| 2756 |
} |
| 2757 |
|
| 2758 |
// Skip if no valid embedding was found at all |
| 2759 |
if ($best_similarity === -INF) { |
| 2760 |
continue; |
| 2761 |
} |
| 2762 |
|
| 2763 |
$similarity = $best_similarity; |
| 2764 |
$intent_threshold = isset($intent->similarity_threshold) ? $intent->similarity_threshold : 0.85; |
| 2765 |
|
| 2766 |
// Store action analysis data for testing panel |
| 2767 |
$action_analysis[] = [ |
| 2768 |
'intent_label' => $intent->intent_label, |
| 2769 |
'callback_function' => $intent->callback_function, |
| 2770 |
'similarity' => round($similarity, 4), |
| 2771 |
'similarity_percentage' => round($similarity * 100, 2), |
| 2772 |
'threshold' => $intent_threshold, |
| 2773 |
'threshold_percentage' => round($intent_threshold * 100, 2), |
| 2774 |
'above_threshold' => $similarity >= $intent_threshold, |
| 2775 |
'matched_phrase' => $matched_phrase_text, |
| 2776 |
'triggered' => false // Will be updated below if this intent is triggered |
| 2777 |
]; |
| 2778 |
|
| 2779 |
if ($similarity >= $intent_threshold && $similarity > $highest_similarity) { |
| 2780 |
$highest_similarity = $similarity; |
| 2781 |
$matched_intent = $intent; |
| 2782 |
} |
| 2783 |
} |
| 2784 |
|
| 2785 |
// Mark the triggered action if any |
| 2786 |
if ($matched_intent) { |
| 2787 |
foreach ($action_analysis as &$action) { |
| 2788 |
if ($action['intent_label'] === $matched_intent->intent_label) { |
| 2789 |
$action['triggered'] = true; |
| 2790 |
break; |
| 2791 |
} |
| 2792 |
} |
| 2793 |
} |
| 2794 |
|
| 2795 |
// Sort actions by similarity (highest first) and store for testing panel |
| 2796 |
usort($action_analysis, function($a, $b) { |
| 2797 |
return $b['similarity'] <=> $a['similarity']; |
| 2798 |
}); |
| 2799 |
|
| 2800 |
// Store action analysis for testing panel capture |
| 2801 |
$this->last_action_analysis = $action_analysis; |
| 2802 |
|
| 2803 |
// Around line 715 in your mxchat_check_intent_and_invoke_callback function |
| 2804 |
if ($matched_intent) { |
| 2805 |
// If the callback is a method on this instance (core callback), call it directly |
| 2806 |
if (method_exists($this, $matched_intent->callback_function)) { |
| 2807 |
$callback_result = call_user_func( |
| 2808 |
[$this, $matched_intent->callback_function], |
| 2809 |
$message, |
| 2810 |
$user_id, |
| 2811 |
$session_id, |
| 2812 |
$matched_intent, |
| 2813 |
$user_context ?? null |
| 2814 |
); |
| 2815 |
} else { |
| 2816 |
// Otherwise, use apply_filters for add-on callbacks |
| 2817 |
$callback_result = apply_filters( |
| 2818 |
$matched_intent->callback_function, |
| 2819 |
false, |
| 2820 |
$message, |
| 2821 |
$user_id, |
| 2822 |
$session_id, |
| 2823 |
$matched_intent |
| 2824 |
); |
| 2825 |
} |
| 2826 |
|
| 2827 |
// Handle the callback result properly |
| 2828 |
if ($callback_result !== false) { |
| 2829 |
// If callback returned an array with chat_mode, use it directly |
| 2830 |
if (is_array($callback_result) && isset($callback_result['chat_mode'])) { |
| 2831 |
$this->fallbackResponse = $callback_result; |
| 2832 |
return $callback_result; // Return the full array |
| 2833 |
} else { |
| 2834 |
$this->fallbackResponse = $callback_result; |
| 2835 |
return true; |
| 2836 |
} |
| 2837 |
} |
| 2838 |
} |
| 2839 |
|
| 2840 |
return false; |
| 2841 |
} |
| 2842 |
|
| 2843 |
/** |
| 2844 |
* Check if an action is enabled for a specific bot |
| 2845 |
*/ |
| 2846 |
private function is_action_enabled_for_bot($intent, $bot_id) { |
| 2847 |
// If enabled_bots column doesn't exist or is null, assume it's enabled for all bots (backward compatibility) |
| 2848 |
if (!isset($intent->enabled_bots) || empty($intent->enabled_bots)) { |
| 2849 |
return true; |
| 2850 |
} |
| 2851 |
|
| 2852 |
$enabled_bots = json_decode($intent->enabled_bots, true); |
| 2853 |
|
| 2854 |
// If JSON decode fails or returns empty array, assume enabled for all (backward compatibility) |
| 2855 |
if (!is_array($enabled_bots) || empty($enabled_bots)) { |
| 2856 |
return true; |
| 2857 |
} |
| 2858 |
|
| 2859 |
// Admin testing tab uses bot_id "testing" — treat it as "default" so all |
| 2860 |
// default-bot actions are testable from the admin panel |
| 2861 |
if ($bot_id === 'testing') { |
| 2862 |
$bot_id = 'default'; |
| 2863 |
} |
| 2864 |
|
| 2865 |
// Check if the current bot is in the enabled bots list |
| 2866 |
return in_array($bot_id, $enabled_bots); |
| 2867 |
} |
| 2868 |
|
| 2869 |
// Helper function to clear PDF and Word document related transients |
| 2870 |
private function clear_pdf_transients($session_id) { |
| 2871 |
// PDF transients |
| 2872 |
delete_transient('mxchat_pdf_url_' . $session_id); |
| 2873 |
delete_transient('mxchat_pdf_embeddings_' . $session_id); |
| 2874 |
delete_transient('mxchat_include_pdf_in_context_' . $session_id); |
| 2875 |
delete_transient('mxchat_waiting_for_pdf_url_' . $session_id); |
| 2876 |
|
| 2877 |
// Word document transients |
| 2878 |
delete_transient('mxchat_word_url_' . $session_id); |
| 2879 |
delete_transient('mxchat_word_filename_' . $session_id); |
| 2880 |
delete_transient('mxchat_word_embeddings_' . $session_id); |
| 2881 |
delete_transient('mxchat_include_word_in_context_' . $session_id); |
| 2882 |
delete_transient('mxchat_waiting_for_word_' . $session_id); |
| 2883 |
} |
| 2884 |
|
| 2885 |
|
| 2886 |
|
| 2887 |
//verified good |
| 2888 |
public function mxchat_handle_email_capture($message, $user_id, $session_id) { |
| 2889 |
// Get the user's original instruction/message |
| 2890 |
$user_instruction = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Please provide your email address.", 'mxchat')); |
| 2891 |
|
| 2892 |
// Set instruction for AI - just pass along what the user wanted to say |
| 2893 |
$this->current_action_instruction = $user_instruction; |
| 2894 |
|
| 2895 |
// Set the transient to track email capture flow |
| 2896 |
set_transient('mxchat_email_capture_' . $user_id, true, 5 * MINUTE_IN_SECONDS); |
| 2897 |
|
| 2898 |
// Return false to let the AI generate the response |
| 2899 |
return false; |
| 2900 |
} |
| 2901 |
|
| 2902 |
public function mxchat_generate_image($message, $user_id, $session_id) { |
| 2903 |
//error_log("Starting image generation for message: " . $message); |
| 2904 |
|
| 2905 |
// Prepare a prompt for OpenAI image generation |
| 2906 |
$prompt = esc_html__('Create an image of ', 'mxchat') . sanitize_text_field($message); |
| 2907 |
|
| 2908 |
// Opt-in routing: when 'custom_provider_for_images' is on, route image gen |
| 2909 |
// through the configured Custom (OpenAI-compatible) /images/generations route. |
| 2910 |
if (!empty($this->options['custom_provider_for_images']) && $this->options['custom_provider_for_images'] === 'on') { |
| 2911 |
$image_response = $this->mxchat_generate_custom_image($prompt); |
| 2912 |
} else { |
| 2913 |
// Use the existing OpenAI API key |
| 2914 |
$openai_api_key = sanitize_text_field($this->options['api_key']); |
| 2915 |
// Call OpenAI GPT Image to generate an image |
| 2916 |
$image_response = $this->mxchat_generate_openai_image($prompt, $openai_api_key); |
| 2917 |
} |
| 2918 |
|
| 2919 |
// Check if the response contains an image URL |
| 2920 |
if (isset($image_response['imageUrl'])) { |
| 2921 |
$image_url = esc_url_raw($image_response['imageUrl']); |
| 2922 |
|
| 2923 |
// Construct the HTML with a CSS class instead of inline styles |
| 2924 |
$response_html = '<img src="' . esc_url($image_url) . '" alt="' . esc_attr__('Generated Image', 'mxchat') . '" class="mxchat-generated-image" />'; |
| 2925 |
$response_text = esc_html__('Here is the image I generated:', 'mxchat'); |
| 2926 |
|
| 2927 |
// Save the bot message with both text and HTML |
| 2928 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text); |
| 2929 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_html); |
| 2930 |
|
| 2931 |
// Set the fallback response for the chat handler |
| 2932 |
$this->fallbackResponse = [ |
| 2933 |
'text' => $response_text, |
| 2934 |
'html' => $response_html, |
| 2935 |
'images' => [$image_url] |
| 2936 |
]; |
| 2937 |
|
| 2938 |
// For debugging/verification - Use json_encode to verify what's being set |
| 2939 |
//error_log("Image generation successful - fallbackResponse set: " . json_encode($this->fallbackResponse)); |
| 2940 |
|
| 2941 |
// Return the response directly instead of relying on the property |
| 2942 |
return $this->fallbackResponse; |
| 2943 |
} else { |
| 2944 |
$response_text = esc_html__("I'm sorry, but I couldn't generate an image based on your request.", 'mxchat'); |
| 2945 |
|
| 2946 |
// Save the error message |
| 2947 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text); |
| 2948 |
|
| 2949 |
// Set the fallback response for the chat handler |
| 2950 |
$this->fallbackResponse = [ |
| 2951 |
'text' => $response_text, |
| 2952 |
'html' => '', |
| 2953 |
'images' => [] |
| 2954 |
]; |
| 2955 |
|
| 2956 |
//error_log("DALL-E image generation error: " . esc_html($image_response['error'] ?? 'Unknown error.')); |
| 2957 |
//error_log("Error fallbackResponse set: " . json_encode($this->fallbackResponse)); |
| 2958 |
|
| 2959 |
// Return the response directly instead of relying on the property |
| 2960 |
return $this->fallbackResponse; |
| 2961 |
} |
| 2962 |
} |
| 2963 |
|
| 2964 |
public function mxchat_generate_gemini_image($message, $user_id, $session_id) { |
| 2965 |
$prompt = esc_html__('Create an image of ', 'mxchat') . sanitize_text_field($message); |
| 2966 |
|
| 2967 |
$gemini_api_key = sanitize_text_field($this->options['gemini_api_key'] ?? ''); |
| 2968 |
if (empty($gemini_api_key)) { |
| 2969 |
$response_text = esc_html__("Gemini API key is not configured.", 'mxchat'); |
| 2970 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text); |
| 2971 |
return ['text' => $response_text, 'html' => '', 'images' => []]; |
| 2972 |
} |
| 2973 |
|
| 2974 |
$image_response = $this->mxchat_generate_imagen_image($prompt, $gemini_api_key); |
| 2975 |
|
| 2976 |
if (isset($image_response['imageUrl'])) { |
| 2977 |
$image_url = esc_url_raw($image_response['imageUrl']); |
| 2978 |
|
| 2979 |
$response_html = '<img src="' . esc_url($image_url) . '" alt="' . esc_attr__('Generated Image', 'mxchat') . '" class="mxchat-generated-image" />'; |
| 2980 |
$response_text = esc_html__('Here is the image I generated:', 'mxchat'); |
| 2981 |
|
| 2982 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text); |
| 2983 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_html); |
| 2984 |
|
| 2985 |
$this->fallbackResponse = [ |
| 2986 |
'text' => $response_text, |
| 2987 |
'html' => $response_html, |
| 2988 |
'images' => [$image_url] |
| 2989 |
]; |
| 2990 |
|
| 2991 |
return $this->fallbackResponse; |
| 2992 |
} else { |
| 2993 |
$response_text = esc_html__("I'm sorry, but I couldn't generate an image based on your request.", 'mxchat'); |
| 2994 |
|
| 2995 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text); |
| 2996 |
|
| 2997 |
$this->fallbackResponse = [ |
| 2998 |
'text' => $response_text, |
| 2999 |
'html' => '', |
| 3000 |
'images' => [] |
| 3001 |
]; |
| 3002 |
|
| 3003 |
return $this->fallbackResponse; |
| 3004 |
} |
| 3005 |
} |
| 3006 |
|
| 3007 |
private function mxchat_save_generated_image($base64_data, $mime_type = 'image/png', $prefix = 'mxchat-generated') { |
| 3008 |
// Map the real mime type to a matching file extension so the saved file's |
| 3009 |
// extension always agrees with its bytes. A mismatch (e.g. Imagen returning |
| 3010 |
// webp bytes that were written into a ".png" file) makes the browser refuse |
| 3011 |
// to render the image even though the file saved successfully and the bot |
| 3012 |
// reported success — that was the Gemini/Imagen "image never renders" bug. |
| 3013 |
// OpenAI + custom-provider paths pass 'image/png' explicitly, so they are |
| 3014 |
// unaffected; this only matters for providers that return another type. |
| 3015 |
$mime_to_ext = [ |
| 3016 |
'image/jpeg' => 'jpg', |
| 3017 |
'image/jpg' => 'jpg', |
| 3018 |
'image/png' => 'png', |
| 3019 |
'image/webp' => 'webp', |
| 3020 |
'image/gif' => 'gif', |
| 3021 |
]; |
| 3022 |
$mime_type = strtolower(trim((string) $mime_type)); |
| 3023 |
if (isset($mime_to_ext[$mime_type])) { |
| 3024 |
$extension = $mime_to_ext[$mime_type]; |
| 3025 |
} else { |
| 3026 |
// Unknown/unsupported type: fall back to png and normalize the stored |
| 3027 |
// mime so the attachment record and the file extension stay consistent. |
| 3028 |
$extension = 'png'; |
| 3029 |
$mime_type = 'image/png'; |
| 3030 |
} |
| 3031 |
$filename = sanitize_file_name($prefix . '-' . wp_generate_uuid4() . '.' . $extension); |
| 3032 |
$decoded = base64_decode($base64_data); |
| 3033 |
|
| 3034 |
if ($decoded === false) { |
| 3035 |
return new \WP_Error('decode_failed', esc_html__('Failed to decode image data.', 'mxchat')); |
| 3036 |
} |
| 3037 |
|
| 3038 |
$upload = wp_upload_bits($filename, null, $decoded); |
| 3039 |
|
| 3040 |
if (!empty($upload['error'])) { |
| 3041 |
return new \WP_Error('upload_failed', $upload['error']); |
| 3042 |
} |
| 3043 |
|
| 3044 |
$attach_id = wp_insert_attachment([ |
| 3045 |
'post_mime_type' => $mime_type, |
| 3046 |
'post_title' => $prefix, |
| 3047 |
'post_content' => '', |
| 3048 |
'post_status' => 'inherit', |
| 3049 |
], $upload['file']); |
| 3050 |
|
| 3051 |
if (is_wp_error($attach_id)) { |
| 3052 |
return $attach_id; |
| 3053 |
} |
| 3054 |
|
| 3055 |
require_once ABSPATH . 'wp-admin/includes/image.php'; |
| 3056 |
$metadata = wp_generate_attachment_metadata($attach_id, $upload['file']); |
| 3057 |
wp_update_attachment_metadata($attach_id, $metadata); |
| 3058 |
|
| 3059 |
return esc_url_raw(wp_get_attachment_url($attach_id)); |
| 3060 |
} |
| 3061 |
|
| 3062 |
private function mxchat_generate_openai_image($prompt, $api_key, $model = 'gpt-image-1', $timeout = 60) { |
| 3063 |
$api_url = 'https://api.openai.com/v1/images/generations'; |
| 3064 |
$body = json_encode([ |
| 3065 |
'prompt' => sanitize_text_field($prompt), |
| 3066 |
'n' => 1, |
| 3067 |
'size' => '1024x1024', |
| 3068 |
'quality' => 'medium', |
| 3069 |
'output_format' => 'png', |
| 3070 |
'model' => sanitize_text_field($model), |
| 3071 |
]); |
| 3072 |
|
| 3073 |
$args = [ |
| 3074 |
'body' => $body, |
| 3075 |
'headers' => [ |
| 3076 |
'Content-Type' => 'application/json', |
| 3077 |
'Authorization' => 'Bearer ' . sanitize_text_field($api_key), |
| 3078 |
], |
| 3079 |
'method' => 'POST', |
| 3080 |
'timeout' => absint($timeout), |
| 3081 |
]; |
| 3082 |
|
| 3083 |
$response = wp_remote_post($api_url, $args); |
| 3084 |
|
| 3085 |
if (is_wp_error($response)) { |
| 3086 |
return ['error' => esc_html__('Error generating image: ', 'mxchat') . $response->get_error_message()]; |
| 3087 |
} |
| 3088 |
|
| 3089 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 3090 |
|
| 3091 |
$b64 = $response_body['data'][0]['b64_json'] ?? $response_body['data'][0]['b64'] ?? null; |
| 3092 |
if ($b64) { |
| 3093 |
$saved_url = $this->mxchat_save_generated_image($b64, 'image/png', 'mxchat-openai'); |
| 3094 |
if (is_wp_error($saved_url)) { |
| 3095 |
return ['error' => $saved_url->get_error_message()]; |
| 3096 |
} |
| 3097 |
return ['imageUrl' => $saved_url]; |
| 3098 |
} else { |
| 3099 |
return ['error' => esc_html__('Failed to generate image.', 'mxchat')]; |
| 3100 |
} |
| 3101 |
} |
| 3102 |
|
| 3103 |
/** |
| 3104 |
* Generate an image via a Custom (OpenAI-compatible) provider's /images/generations route. |
| 3105 |
* Only called when the opt-in 'custom_provider_for_images' setting is on. |
| 3106 |
*/ |
| 3107 |
private function mxchat_generate_custom_image($prompt, $timeout = 90) { |
| 3108 |
$cfg = $this->mxchat_resolve_custom_provider(); |
| 3109 |
if (empty($cfg['base_url'])) { |
| 3110 |
return ['error' => esc_html__('Custom provider Base URL is not configured.', 'mxchat')]; |
| 3111 |
} |
| 3112 |
$url = $cfg['base_url'] . '/images/generations'; |
| 3113 |
if (!empty($cfg['api_version'])) { |
| 3114 |
$url .= (strpos($url, '?') === false ? '?' : '&') . 'api-version=' . rawurlencode($cfg['api_version']); |
| 3115 |
} |
| 3116 |
$body = wp_json_encode([ |
| 3117 |
'prompt' => sanitize_text_field($prompt), |
| 3118 |
'n' => 1, |
| 3119 |
'size' => '1024x1024', |
| 3120 |
'model' => $cfg['model'], |
| 3121 |
]); |
| 3122 |
$response = wp_remote_post($url, [ |
| 3123 |
'headers' => $this->mxchat_custom_provider_assoc_headers($cfg), |
| 3124 |
'body' => $body, |
| 3125 |
'method' => 'POST', |
| 3126 |
'timeout' => absint($timeout), |
| 3127 |
]); |
| 3128 |
if (is_wp_error($response)) { |
| 3129 |
return ['error' => esc_html__('Error generating image (custom provider): ', 'mxchat') . $response->get_error_message()]; |
| 3130 |
} |
| 3131 |
$resp = json_decode(wp_remote_retrieve_body($response), true); |
| 3132 |
// Try b64 first (matches OpenAI shape), then url-based fallback. |
| 3133 |
$b64 = $resp['data'][0]['b64_json'] ?? $resp['data'][0]['b64'] ?? null; |
| 3134 |
if ($b64) { |
| 3135 |
$saved = $this->mxchat_save_generated_image($b64, 'image/png', 'mxchat-custom'); |
| 3136 |
if (is_wp_error($saved)) { |
| 3137 |
return ['error' => $saved->get_error_message()]; |
| 3138 |
} |
| 3139 |
return ['imageUrl' => $saved]; |
| 3140 |
} |
| 3141 |
$remote_url = $resp['data'][0]['url'] ?? null; |
| 3142 |
if ($remote_url) { |
| 3143 |
return ['imageUrl' => esc_url_raw($remote_url)]; |
| 3144 |
} |
| 3145 |
$err_msg = $this->extract_provider_error($resp, esc_html__('Custom provider did not return an image.', 'mxchat')); |
| 3146 |
return ['error' => esc_html($err_msg)]; |
| 3147 |
} |
| 3148 |
|
| 3149 |
private function mxchat_generate_imagen_image($prompt, $api_key, $timeout = 60) { |
| 3150 |
$api_url = 'https://generativelanguage.googleapis.com/v1beta/models/imagen-4.0-generate-001:predict'; |
| 3151 |
|
| 3152 |
$body = json_encode([ |
| 3153 |
'instances' => [['prompt' => sanitize_text_field($prompt)]], |
| 3154 |
'parameters' => [ |
| 3155 |
'sampleCount' => 1, |
| 3156 |
'aspectRatio' => '1:1', |
| 3157 |
], |
| 3158 |
]); |
| 3159 |
|
| 3160 |
$args = [ |
| 3161 |
'body' => $body, |
| 3162 |
'headers' => [ |
| 3163 |
'Content-Type' => 'application/json', |
| 3164 |
'x-goog-api-key' => sanitize_text_field($api_key), |
| 3165 |
], |
| 3166 |
'method' => 'POST', |
| 3167 |
'timeout' => absint($timeout), |
| 3168 |
]; |
| 3169 |
|
| 3170 |
$response = wp_remote_post($api_url, $args); |
| 3171 |
|
| 3172 |
if (is_wp_error($response)) { |
| 3173 |
return ['error' => esc_html__('Error generating image: ', 'mxchat') . $response->get_error_message()]; |
| 3174 |
} |
| 3175 |
|
| 3176 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 3177 |
|
| 3178 |
$b64 = $response_body['predictions'][0]['bytesBase64Encoded'] ?? $response_body['predictions'][0]['imageBytes'] ?? null; |
| 3179 |
if ($b64) { |
| 3180 |
$mime = $response_body['predictions'][0]['mimeType'] ?? 'image/png'; |
| 3181 |
$saved_url = $this->mxchat_save_generated_image($b64, $mime, 'mxchat-gemini'); |
| 3182 |
if (is_wp_error($saved_url)) { |
| 3183 |
return ['error' => $saved_url->get_error_message()]; |
| 3184 |
} |
| 3185 |
return ['imageUrl' => $saved_url]; |
| 3186 |
} else { |
| 3187 |
return ['error' => esc_html__('Failed to generate image.', 'mxchat')]; |
| 3188 |
} |
| 3189 |
} |
| 3190 |
|
| 3191 |
/** |
| 3192 |
* Handle web search requests. |
| 3193 |
* |
| 3194 |
* Sends the refined search query to the Brave Search API and uses the |
| 3195 |
* results to generate a conversational response with the AI model. |
| 3196 |
* |
| 3197 |
* @since 1.0.0 |
| 3198 |
* @param string $message The user's search query. |
| 3199 |
* @param string $user_id The user identifier. |
| 3200 |
* @param string $session_id The current session ID. |
| 3201 |
* @return array Response array containing text with embedded HTML links |
| 3202 |
*/ |
| 3203 |
public function mxchat_handle_search_request($message, $user_id, $session_id) { |
| 3204 |
// Step 1: Interpret and refine the search query |
| 3205 |
$refined_search_query = $this->mxchat_interpret_search_query($message); |
| 3206 |
if (empty($refined_search_query)) { |
| 3207 |
return array( |
| 3208 |
'text' => esc_html__('I apologize, but could you please rephrase your search request?', 'mxchat'), |
| 3209 |
'html' => '' |
| 3210 |
); |
| 3211 |
} |
| 3212 |
|
| 3213 |
// Retrieve and validate API settings |
| 3214 |
$options = get_option('mxchat_options'); |
| 3215 |
$api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : ''; |
| 3216 |
$results_count = isset($options['brave_results_count']) ? absint($options['brave_results_count']) : 5; |
| 3217 |
|
| 3218 |
if (empty($api_key)) { |
| 3219 |
return array( |
| 3220 |
'text' => esc_html__('Search functionality is temporarily unavailable. Please try again later.', 'mxchat'), |
| 3221 |
'html' => '' |
| 3222 |
); |
| 3223 |
} |
| 3224 |
|
| 3225 |
// Build the API request URL |
| 3226 |
$api_url = add_query_arg( |
| 3227 |
array( |
| 3228 |
'q' => rawurlencode($refined_search_query), |
| 3229 |
'count' => $results_count, |
| 3230 |
'text_decorations' => 'true', |
| 3231 |
'rich_data' => 'true', |
| 3232 |
), |
| 3233 |
'https://api.search.brave.com/res/v1/web/search' |
| 3234 |
); |
| 3235 |
|
| 3236 |
// Attempt to retrieve cached results first |
| 3237 |
$transient_key = 'mxchat_search_' . md5($refined_search_query); |
| 3238 |
$results = get_transient($transient_key); |
| 3239 |
|
| 3240 |
if (false === $results) { |
| 3241 |
// SECURITY FIX: Changed to wp_safe_remote_get |
| 3242 |
$response = wp_safe_remote_get( |
| 3243 |
$api_url, |
| 3244 |
array( |
| 3245 |
'headers' => array( |
| 3246 |
'Accept' => 'application/json', |
| 3247 |
'Accept-Encoding' => 'gzip', |
| 3248 |
'X-Subscription-Token'=> $api_key, |
| 3249 |
), |
| 3250 |
'timeout' => 10, |
| 3251 |
) |
| 3252 |
); |
| 3253 |
|
| 3254 |
if (is_wp_error($response)) { |
| 3255 |
return array( |
| 3256 |
'text' => esc_html__('I encountered an error while searching. Please try again.', 'mxchat'), |
| 3257 |
'html' => '' |
| 3258 |
); |
| 3259 |
} |
| 3260 |
|
| 3261 |
$results = json_decode(wp_remote_retrieve_body($response), true); |
| 3262 |
|
| 3263 |
if (json_last_error() !== JSON_ERROR_NONE) { |
| 3264 |
return array( |
| 3265 |
'text' => esc_html__('I received an invalid response from the search service.', 'mxchat'), |
| 3266 |
'html' => '' |
| 3267 |
); |
| 3268 |
} |
| 3269 |
|
| 3270 |
// Cache results for one hour |
| 3271 |
set_transient($transient_key, $results, HOUR_IN_SECONDS); |
| 3272 |
} |
| 3273 |
|
| 3274 |
// Process results |
| 3275 |
if (!empty($results['web']['results']) && is_array($results['web']['results'])) { |
| 3276 |
// Create a more straightforward summary with HTML links |
| 3277 |
$search_results_text = ''; |
| 3278 |
|
| 3279 |
// Add a simple intro |
| 3280 |
$search_results_text .= sprintf( |
| 3281 |
esc_html__("Here's what I found about '%s':", 'mxchat'), |
| 3282 |
esc_html($refined_search_query) |
| 3283 |
); |
| 3284 |
|
| 3285 |
// Add the top results with HTML links |
| 3286 |
foreach (array_slice($results['web']['results'], 0, 5) as $result) { |
| 3287 |
$title = isset($result['title']) ? wp_strip_all_tags($result['title']) : ''; |
| 3288 |
$url = isset($result['url']) ? esc_url($result['url']) : ''; |
| 3289 |
$description = isset($result['description']) ? wp_strip_all_tags($result['description']) : ''; |
| 3290 |
|
| 3291 |
// Add a line break after the intro |
| 3292 |
$search_results_text .= '<br><br>'; |
| 3293 |
|
| 3294 |
// Add title as a link |
| 3295 |
$search_results_text .= sprintf( |
| 3296 |
'<a href="%s" target="_blank" rel="noopener noreferrer">%s</a><br>', |
| 3297 |
$url, |
| 3298 |
$title |
| 3299 |
); |
| 3300 |
|
| 3301 |
// Add a condensed description |
| 3302 |
$search_results_text .= sprintf("%s", $description); |
| 3303 |
} |
| 3304 |
|
| 3305 |
// Save to chat history |
| 3306 |
$this->mxchat_save_chat_message($session_id, 'bot', $search_results_text); |
| 3307 |
|
| 3308 |
// Return the formatted text with embedded HTML links |
| 3309 |
return array( |
| 3310 |
'text' => $search_results_text, |
| 3311 |
'html' => '' |
| 3312 |
); |
| 3313 |
} else { |
| 3314 |
return array( |
| 3315 |
'text' => sprintf( |
| 3316 |
esc_html__('I searched for "%s" but couldn\'t find any relevant results. Would you like to try different search terms?', 'mxchat'), |
| 3317 |
esc_html($refined_search_query) |
| 3318 |
), |
| 3319 |
'html' => '' |
| 3320 |
); |
| 3321 |
} |
| 3322 |
} |
| 3323 |
|
| 3324 |
//very good |
| 3325 |
/** |
| 3326 |
* Handle image search requests from the chatbot |
| 3327 |
* |
| 3328 |
* @param string $message The user's search query |
| 3329 |
* @param int $user_id The user's ID |
| 3330 |
* @param string $session_id The chat session ID |
| 3331 |
* @return array Response array with text and HTML content |
| 3332 |
*/ |
| 3333 |
public function mxchat_handle_image_search_request($message, $user_id, $session_id) { |
| 3334 |
// Step 1: Interpret the search query using the user's selected AI model |
| 3335 |
$refined_search_query = $this->mxchat_interpret_search_query($message); |
| 3336 |
|
| 3337 |
// If no query was interpreted, return a fallback message |
| 3338 |
if (empty($refined_search_query)) { |
| 3339 |
return array( |
| 3340 |
'text' => __("I'm sorry, I couldn't interpret your search query. Please specify what you'd like to see images of.", 'mxchat'), |
| 3341 |
'html' => "", |
| 3342 |
); |
| 3343 |
} |
| 3344 |
|
| 3345 |
// Brave API URL |
| 3346 |
$api_url = 'https://api.search.brave.com/res/v1/images/search'; |
| 3347 |
|
| 3348 |
// Retrieve Brave API settings |
| 3349 |
$options = get_option('mxchat_options'); |
| 3350 |
$api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : ''; |
| 3351 |
|
| 3352 |
if (empty($api_key)) { |
| 3353 |
return array( |
| 3354 |
'text' => __("API key is not configured. Please set it in the Brave Search Settings.", 'mxchat'), |
| 3355 |
'html' => "", |
| 3356 |
); |
| 3357 |
} |
| 3358 |
|
| 3359 |
$image_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4; |
| 3360 |
$safe_search = isset($options['brave_safe_search']) ? sanitize_text_field($options['brave_safe_search']) : 'strict'; |
| 3361 |
|
| 3362 |
// Append query parameters based on settings |
| 3363 |
$api_url = add_query_arg([ |
| 3364 |
'q' => rawurlencode($refined_search_query), |
| 3365 |
'count' => $image_count, |
| 3366 |
'safesearch' => $safe_search, |
| 3367 |
], $api_url); |
| 3368 |
|
| 3369 |
// Implement caching |
| 3370 |
$transient_key = 'mxchat_image_search_' . md5($refined_search_query); |
| 3371 |
$body = get_transient($transient_key); |
| 3372 |
|
| 3373 |
if (false === $body) { |
| 3374 |
$args = [ |
| 3375 |
'headers' => [ |
| 3376 |
'Accept' => 'application/json', |
| 3377 |
'Accept-Encoding' => 'gzip', |
| 3378 |
'X-Subscription-Token' => $api_key, |
| 3379 |
], |
| 3380 |
'timeout' => 10, |
| 3381 |
]; |
| 3382 |
|
| 3383 |
// SECURITY FIX: Changed to wp_safe_remote_get |
| 3384 |
$response = wp_safe_remote_get($api_url, $args); |
| 3385 |
|
| 3386 |
if (is_wp_error($response)) { |
| 3387 |
return array( |
| 3388 |
'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'), |
| 3389 |
'html' => "", |
| 3390 |
); |
| 3391 |
} |
| 3392 |
|
| 3393 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 3394 |
set_transient($transient_key, $body, HOUR_IN_SECONDS); |
| 3395 |
} |
| 3396 |
|
| 3397 |
// Process the API response |
| 3398 |
if (isset($body['results']) && is_array($body['results']) && count($body['results']) > 0) { |
| 3399 |
$html_output = '<div class="mxchat-image-gallery">'; |
| 3400 |
|
| 3401 |
// Get the configured image count (1-6) |
| 3402 |
$display_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4; |
| 3403 |
$display_count = min($display_count, count($body['results'])); // Make sure we don't exceed available images |
| 3404 |
|
| 3405 |
// Use only the requested number of images |
| 3406 |
for ($i = 0; $i < $display_count; $i++) { |
| 3407 |
$image = $body['results'][$i]; |
| 3408 |
$image_url = isset($image['url']) ? esc_url($image['url']) : ''; |
| 3409 |
$thumbnail_url = isset($image['thumbnail']['src']) ? esc_url($image['thumbnail']['src']) : ''; |
| 3410 |
$title = isset($image['title']) ? esc_html($image['title']) : esc_html__('Image', 'mxchat'); |
| 3411 |
|
| 3412 |
if ($image_url && $thumbnail_url) { |
| 3413 |
$html_output .= '<div class="mxchat-image-item">'; |
| 3414 |
$html_output .= '<strong class="mxchat-image-title">' . $title . '</strong>'; |
| 3415 |
$html_output .= '<a href="' . $image_url . '" target="_blank" rel="noopener noreferrer" class="mxchat-image-link">'; |
| 3416 |
$html_output .= '<img src="' . $thumbnail_url . '" alt="' . $title . '" class="mxchat-image-thumbnail">'; |
| 3417 |
$html_output .= '</a></div>'; |
| 3418 |
} |
| 3419 |
} |
| 3420 |
|
| 3421 |
$html_output .= '</div>'; |
| 3422 |
|
| 3423 |
// Create response text |
| 3424 |
$response_text = sprintf(__("Here are some images of %s:", 'mxchat'), $refined_search_query); |
| 3425 |
|
| 3426 |
// Save both response text and HTML to chat history |
| 3427 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text); |
| 3428 |
$this->mxchat_save_chat_message($session_id, 'bot', $html_output); |
| 3429 |
|
| 3430 |
// Return the combined response |
| 3431 |
return array( |
| 3432 |
'text' => $response_text, |
| 3433 |
'html' => $html_output, |
| 3434 |
); |
| 3435 |
} else { |
| 3436 |
$response_text = __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'); |
| 3437 |
|
| 3438 |
// Save the error message to chat history |
| 3439 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text); |
| 3440 |
|
| 3441 |
return array( |
| 3442 |
'text' => $response_text, |
| 3443 |
'html' => "", |
| 3444 |
); |
| 3445 |
} |
| 3446 |
} |
| 3447 |
|
| 3448 |
/** |
| 3449 |
* Interpret the search query using the user's selected AI model |
| 3450 |
* |
| 3451 |
* @param string $user_query The original query from the user |
| 3452 |
* @return string The refined search query |
| 3453 |
*/ |
| 3454 |
public function mxchat_interpret_search_query($user_query) { |
| 3455 |
$system_prompt = esc_html__("Interpret the user's request to provide only the essential keywords or phrases for image searching. Remove conversational language, politeness, or extra context. Return a concise search query that doesn't lose any of the original meaning.", 'mxchat'); |
| 3456 |
|
| 3457 |
// Get options and determine the selected model |
| 3458 |
$options = $this->options ?? get_option('mxchat_options'); |
| 3459 |
$selected_model = isset($options['model']) ? $options['model'] : 'gpt-5.6-sol'; |
| 3460 |
|
| 3461 |
// Custom (OpenAI-compatible) provider routes by model id, not prefix. |
| 3462 |
if ($selected_model === 'custom-provider') { |
| 3463 |
return $this->interpret_query_with_custom($user_query, $system_prompt); |
| 3464 |
} |
| 3465 |
|
| 3466 |
// Extract model prefix to determine the provider |
| 3467 |
$model_parts = explode('-', $selected_model); |
| 3468 |
$provider = strtolower($model_parts[0]); |
| 3469 |
|
| 3470 |
// Determine which API key to use based on the provider |
| 3471 |
switch ($provider) { |
| 3472 |
case 'gemini': |
| 3473 |
$api_key = isset($options['gemini_api_key']) ? sanitize_text_field($options['gemini_api_key']) : ''; |
| 3474 |
if (empty($api_key)) { |
| 3475 |
return sanitize_text_field($user_query); // Default to original query if API key missing |
| 3476 |
} |
| 3477 |
return $this->interpret_query_with_gemini($user_query, $system_prompt, $api_key, $selected_model); |
| 3478 |
|
| 3479 |
case 'claude': |
| 3480 |
$api_key = isset($options['claude_api_key']) ? sanitize_text_field($options['claude_api_key']) : ''; |
| 3481 |
if (empty($api_key)) { |
| 3482 |
return sanitize_text_field($user_query); |
| 3483 |
} |
| 3484 |
return $this->interpret_query_with_claude($user_query, $system_prompt, $api_key, $selected_model); |
| 3485 |
|
| 3486 |
case 'grok': |
| 3487 |
$api_key = isset($options['xai_api_key']) ? sanitize_text_field($options['xai_api_key']) : ''; |
| 3488 |
if (empty($api_key)) { |
| 3489 |
return sanitize_text_field($user_query); |
| 3490 |
} |
| 3491 |
return $this->interpret_query_with_xai($user_query, $system_prompt, $api_key, $selected_model); |
| 3492 |
|
| 3493 |
case 'deepseek': |
| 3494 |
$api_key = isset($options['deepseek_api_key']) ? sanitize_text_field($options['deepseek_api_key']) : ''; |
| 3495 |
if (empty($api_key)) { |
| 3496 |
return sanitize_text_field($user_query); |
| 3497 |
} |
| 3498 |
return $this->interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $selected_model); |
| 3499 |
|
| 3500 |
case 'gpt': |
| 3501 |
default: |
| 3502 |
// Default to OpenAI for custom models or unrecognized prefixes |
| 3503 |
$api_key = isset($options['api_key']) ? sanitize_text_field($options['api_key']) : ''; |
| 3504 |
if (empty($api_key)) { |
| 3505 |
return sanitize_text_field($user_query); |
| 3506 |
} |
| 3507 |
return $this->interpret_query_with_openai($user_query, $system_prompt, $api_key, $selected_model); |
| 3508 |
} |
| 3509 |
} |
| 3510 |
|
| 3511 |
/** |
| 3512 |
* Interpret query against the configured Custom (OpenAI-compatible) provider. |
| 3513 |
* Uses the same base URL + auth scheme as the chat dispatcher. |
| 3514 |
*/ |
| 3515 |
private function interpret_query_with_custom($user_query, $system_prompt) { |
| 3516 |
$cfg = $this->mxchat_resolve_custom_provider(); |
| 3517 |
if (empty($cfg['base_url'])) { |
| 3518 |
return sanitize_text_field($user_query); |
| 3519 |
} |
| 3520 |
// plan-mxchat-20260715-7124f4: a custom OpenAI-compatible endpoint pointed at |
| 3521 |
// a gpt-5-class model rejects temperature!=1 and the legacy max_tokens key. |
| 3522 |
// Byte-identical for ordinary custom models (temperature kept, max_tokens |
| 3523 |
// used); only gpt-5-class custom models change (best-effort — custom |
| 3524 |
// endpoints vary). |
| 3525 |
$token_key = $this->mxchat_openai_token_param_for($cfg['model']); |
| 3526 |
$payload = [ |
| 3527 |
'model' => $cfg['model'], |
| 3528 |
'messages' => [ |
| 3529 |
['role' => 'system', 'content' => $system_prompt], |
| 3530 |
['role' => 'user', 'content' => sanitize_text_field($user_query)], |
| 3531 |
], |
| 3532 |
$token_key => 20, |
| 3533 |
]; |
| 3534 |
if ($this->mxchat_openai_supports_temperature_for($cfg['model'])) { |
| 3535 |
$payload['temperature'] = 0.2; |
| 3536 |
} |
| 3537 |
$args = [ |
| 3538 |
'headers' => $this->mxchat_custom_provider_assoc_headers($cfg), |
| 3539 |
'body' => wp_json_encode($payload), |
| 3540 |
'method' => 'POST', |
| 3541 |
'timeout' => 15, |
| 3542 |
]; |
| 3543 |
$response = wp_remote_post($cfg['chat_url'], $args); |
| 3544 |
if (is_wp_error($response)) { |
| 3545 |
return sanitize_text_field($user_query); |
| 3546 |
} |
| 3547 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 3548 |
return isset($body['choices'][0]['message']['content']) |
| 3549 |
? sanitize_text_field(trim($body['choices'][0]['message']['content'])) |
| 3550 |
: sanitize_text_field($user_query); |
| 3551 |
} |
| 3552 |
|
| 3553 |
/** |
| 3554 |
* Convert the colon-style header list returned by mxchat_resolve_custom_provider |
| 3555 |
* into the assoc-array form wp_remote_post expects. |
| 3556 |
*/ |
| 3557 |
private function mxchat_custom_provider_assoc_headers($cfg) { |
| 3558 |
$headers = ['Content-Type' => 'application/json']; |
| 3559 |
if (!empty($cfg['api_key'])) { |
| 3560 |
if (($cfg['auth_scheme'] ?? 'bearer') === 'api-key') { |
| 3561 |
$headers['api-key'] = $cfg['api_key']; |
| 3562 |
} else { |
| 3563 |
$headers['Authorization'] = 'Bearer ' . $cfg['api_key']; |
| 3564 |
} |
| 3565 |
} |
| 3566 |
return $headers; |
| 3567 |
} |
| 3568 |
|
| 3569 |
/** |
| 3570 |
* Interpret query using OpenAI models |
| 3571 |
*/ |
| 3572 |
private function interpret_query_with_openai($user_query, $system_prompt, $api_key, $model = 'gpt-5.6-sol') { |
| 3573 |
$url = 'https://api.openai.com/v1/chat/completions'; |
| 3574 |
// plan-mxchat-20260715-7124f4: the default chat model is a gpt-5-family id |
| 3575 |
// and every gpt-5* rejects both a non-default temperature and the legacy |
| 3576 |
// max_tokens key (400). This call swallowed the 400 and silently degraded to |
| 3577 |
// the raw query on every gpt-5 install, quietly disabling product/image |
| 3578 |
// search-query interpretation. Derive capability from the core catalog |
| 3579 |
// (dcb71c) so this tracks future model adds; strpos fallback for a |
| 3580 |
// partial-upgrade window where the catalog method isn't loaded. |
| 3581 |
$token_key = $this->mxchat_openai_token_param_for($model); |
| 3582 |
$payload = [ |
| 3583 |
'model' => $model, |
| 3584 |
'messages' => [ |
| 3585 |
['role' => 'system', 'content' => $system_prompt], |
| 3586 |
['role' => 'user', 'content' => sanitize_text_field($user_query)], |
| 3587 |
], |
| 3588 |
$token_key => 20, |
| 3589 |
]; |
| 3590 |
if ($this->mxchat_openai_supports_temperature_for($model)) { |
| 3591 |
$payload['temperature'] = 0.2; |
| 3592 |
} |
| 3593 |
$args = [ |
| 3594 |
'headers' => [ |
| 3595 |
'Authorization' => 'Bearer ' . $api_key, |
| 3596 |
'Content-Type' => 'application/json', |
| 3597 |
], |
| 3598 |
'body' => wp_json_encode($payload), |
| 3599 |
'method' => 'POST', |
| 3600 |
'timeout' => 15, |
| 3601 |
]; |
| 3602 |
|
| 3603 |
$response = wp_remote_post($url, $args); |
| 3604 |
if (is_wp_error($response)) { |
| 3605 |
return sanitize_text_field($user_query); |
| 3606 |
} |
| 3607 |
|
| 3608 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 3609 |
return isset($body['choices'][0]['message']['content']) |
| 3610 |
? sanitize_text_field(trim($body['choices'][0]['message']['content'])) |
| 3611 |
: sanitize_text_field($user_query); |
| 3612 |
} |
| 3613 |
|
| 3614 |
/** |
| 3615 |
* Anthropic removed temperature/top_p/top_k starting with Opus 4.7 (the API |
| 3616 |
* returns 400 if sent) — add new flagship model ids here. (We don't send |
| 3617 |
* top_p/top_k in any Claude body, so the list only needs to gate temperature |
| 3618 |
* stripping. We never send a `thinking` param either, which is required for |
| 3619 |
* claude-fable-5: it rejects an explicit thinking "disabled" — omit only.) |
| 3620 |
*/ |
| 3621 |
private function mxchat_claude_omits_temperature($model) { |
| 3622 |
// plan-mxchat-20260714-dcb71c: derive from the core model catalog (single |
| 3623 |
// source of truth). Every caller here passes a Claude model, so |
| 3624 |
// !supports_temperature() reproduces the old 4-id in_array() result exactly. |
| 3625 |
// Frozen list kept as fallback for a partial-upgrade window where the |
| 3626 |
// catalog method isn't loaded. |
| 3627 |
if (class_exists('MxChat_Model_Catalog') && method_exists('MxChat_Model_Catalog', 'supports_temperature')) { |
| 3628 |
return !MxChat_Model_Catalog::supports_temperature($model); |
| 3629 |
} |
| 3630 |
$no_temp = array('claude-opus-5', 'claude-opus-4-7', 'claude-opus-4-8', 'claude-fable-5', 'claude-sonnet-5'); |
| 3631 |
return in_array($model, $no_temp, true); |
| 3632 |
} |
| 3633 |
|
| 3634 |
/** |
| 3635 |
* plan-mxchat-20260715-7124f4: OpenAI completion-token key for this model, |
| 3636 |
* sourced from the core catalog (gpt-5* → max_completion_tokens; else |
| 3637 |
* max_tokens). strpos fallback for a partial-upgrade window where the catalog |
| 3638 |
* method isn't loaded. |
| 3639 |
* |
| 3640 |
* @param string $model OpenAI(-compatible) model id. |
| 3641 |
* @return string 'max_completion_tokens' | 'max_tokens' |
| 3642 |
*/ |
| 3643 |
private function mxchat_openai_token_param_for($model) { |
| 3644 |
if (class_exists('MxChat_Model_Catalog') && method_exists('MxChat_Model_Catalog', 'openai_token_param')) { |
| 3645 |
return MxChat_Model_Catalog::openai_token_param($model); |
| 3646 |
} |
| 3647 |
return strpos((string) $model, 'gpt-5') === 0 ? 'max_completion_tokens' : 'max_tokens'; |
| 3648 |
} |
| 3649 |
|
| 3650 |
/** |
| 3651 |
* plan-mxchat-20260715-7124f4: whether a NON-default temperature may be sent to |
| 3652 |
* this OpenAI(-compatible) model. gpt-5* accept only the default (1) — sending |
| 3653 |
* any other value 400s. Sourced from the core catalog; strpos fallback for a |
| 3654 |
* partial-upgrade window. |
| 3655 |
* |
| 3656 |
* @param string $model OpenAI(-compatible) model id. |
| 3657 |
* @return bool |
| 3658 |
*/ |
| 3659 |
private function mxchat_openai_supports_temperature_for($model) { |
| 3660 |
if (class_exists('MxChat_Model_Catalog') && method_exists('MxChat_Model_Catalog', 'supports_temperature')) { |
| 3661 |
return MxChat_Model_Catalog::supports_temperature($model); |
| 3662 |
} |
| 3663 |
return strpos((string) $model, 'gpt-5') !== 0; |
| 3664 |
} |
| 3665 |
|
| 3666 |
/** |
| 3667 |
* plan-mxchat-20260714-dcb71c: per-surface reasoning_effort, sourced from the |
| 3668 |
* core model catalog so a model add propagates automatically. The fallback is |
| 3669 |
* the frozen pre-dcb71c inline ladder, used only if the catalog method is |
| 3670 |
* unavailable (a partial-upgrade window). Byte-identical to the old inline |
| 3671 |
* blocks by construction — proven by the dcb71c equivalence harness. |
| 3672 |
* |
| 3673 |
* @param string $model Chat model id. |
| 3674 |
* @param string $context 'chat' | 'websearch'. |
| 3675 |
* @return string|null Effort to send, or null to omit the param. |
| 3676 |
*/ |
| 3677 |
private function mxchat_reasoning_effort_for($model, $context) { |
| 3678 |
if (class_exists('MxChat_Model_Catalog') && method_exists('MxChat_Model_Catalog', 'reasoning_effort_for')) { |
| 3679 |
return MxChat_Model_Catalog::reasoning_effort_for($model, $context); |
| 3680 |
} |
| 3681 |
return $this->mxchat_reasoning_effort_fallback($model, $context); |
| 3682 |
} |
| 3683 |
|
| 3684 |
private function mxchat_reasoning_effort_fallback($model, $context) { |
| 3685 |
if (strpos($model, 'gpt-5') !== 0) { |
| 3686 |
return null; |
| 3687 |
} |
| 3688 |
if ($context === 'websearch') { |
| 3689 |
$no_reasoning_web = array('gpt-5.2', 'gpt-5.3-chat-latest', 'gpt-5.4-mini', 'gpt-5.4-nano'); |
| 3690 |
if (in_array($model, $no_reasoning_web, true)) return null; |
| 3691 |
if ($model === 'gpt-5.1-2025-11-13') return 'low'; |
| 3692 |
if ($model === 'gpt-5.5') return 'low'; |
| 3693 |
if ($model === 'gpt-5.4') return 'low'; |
| 3694 |
if (in_array($model, array('gpt-5.6-sol', 'gpt-5.6-terra', 'gpt-5.6-luna'), true)) return 'low'; |
| 3695 |
return null; |
| 3696 |
} |
| 3697 |
// 'chat' |
| 3698 |
// gpt-5.1/5.3-chat-latest stay listed after their 2026-08-10 retirement: |
| 3699 |
// unmigrated bot-level / add-on-saved ids must keep routing correctly |
| 3700 |
// until every surface is swept (plan e46b8f). |
| 3701 |
$no_reasoning_models = array('gpt-5.2', 'gpt-5.1-chat-latest', 'gpt-5.3-chat-latest', 'gpt-5.4-mini', 'gpt-5.4-nano'); |
| 3702 |
if (in_array($model, $no_reasoning_models, true)) return null; |
| 3703 |
if ($model === 'gpt-5.1-2025-11-13') return 'low'; |
| 3704 |
if ($model === 'gpt-5.5') return 'none'; |
| 3705 |
if ($model === 'gpt-5.4') return 'none'; |
| 3706 |
if (in_array($model, array('gpt-5.6-sol', 'gpt-5.6-terra', 'gpt-5.6-luna'), true)) return 'low'; |
| 3707 |
return 'minimal'; |
| 3708 |
} |
| 3709 |
|
| 3710 |
/** |
| 3711 |
* Interpret query using Claude models |
| 3712 |
*/ |
| 3713 |
private function interpret_query_with_claude($user_query, $system_prompt, $api_key, $model) { |
| 3714 |
// Anthropic retired claude-opus-4-20250514 / claude-sonnet-4-20250514 on 2026-06-15. |
| 3715 |
// Read-time rescue: remap a saved dead ID to the current equivalent before the API call. |
| 3716 |
if ($model === 'claude-opus-4-20250514') { $model = 'claude-opus-4-8'; } |
| 3717 |
elseif ($model === 'claude-sonnet-4-20250514') { $model = 'claude-sonnet-4-6'; } |
| 3718 |
$url = 'https://api.anthropic.com/v1/messages'; |
| 3719 |
|
| 3720 |
$payload = [ |
| 3721 |
'model' => $model, |
| 3722 |
'system' => $system_prompt, |
| 3723 |
'messages' => [ |
| 3724 |
['role' => 'user', 'content' => sanitize_text_field($user_query)] |
| 3725 |
], |
| 3726 |
'max_tokens' => 20, |
| 3727 |
'temperature' => 0.2, |
| 3728 |
]; |
| 3729 |
if ($this->mxchat_claude_omits_temperature($model)) { unset($payload['temperature']); } |
| 3730 |
|
| 3731 |
$args = [ |
| 3732 |
'headers' => [ |
| 3733 |
'Content-Type' => 'application/json', |
| 3734 |
'x-api-key' => $api_key, |
| 3735 |
'anthropic-version' => '2023-06-01', |
| 3736 |
], |
| 3737 |
'body' => wp_json_encode($payload), |
| 3738 |
'method' => 'POST', |
| 3739 |
'timeout' => 15, |
| 3740 |
]; |
| 3741 |
|
| 3742 |
$response = wp_remote_post($url, $args); |
| 3743 |
if (is_wp_error($response)) { |
| 3744 |
return sanitize_text_field($user_query); |
| 3745 |
} |
| 3746 |
|
| 3747 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 3748 |
// claude-fable-5 prepends a thinking block to content — take the first |
| 3749 |
// TEXT block, not content[0]. |
| 3750 |
foreach ((array) ($body['content'] ?? array()) as $block) { |
| 3751 |
if (isset($block['type'], $block['text']) && $block['type'] === 'text' && trim($block['text']) !== '') { |
| 3752 |
return sanitize_text_field(trim($block['text'])); |
| 3753 |
} |
| 3754 |
} |
| 3755 |
|
| 3756 |
return sanitize_text_field($user_query); |
| 3757 |
} |
| 3758 |
|
| 3759 |
/** |
| 3760 |
* Interpret query using Gemini models |
| 3761 |
*/ |
| 3762 |
private function interpret_query_with_gemini($user_query, $system_prompt, $api_key, $model) { |
| 3763 |
if ($model === 'gemini-3-pro-preview') { |
| 3764 |
$model = 'gemini-3.1-pro-preview'; |
| 3765 |
} |
| 3766 |
// Use v1beta for preview models, v1 for stable models |
| 3767 |
$api_version = (strpos($model, 'preview') !== false || strpos($model, 'exp') !== false) ? 'v1beta' : 'v1'; |
| 3768 |
|
| 3769 |
$url = "https://generativelanguage.googleapis.com/{$api_version}/models/{$model}:generateContent?key=" . urlencode($api_key); |
| 3770 |
|
| 3771 |
$args = [ |
| 3772 |
'headers' => [ |
| 3773 |
'Content-Type' => 'application/json', |
| 3774 |
], |
| 3775 |
'body' => wp_json_encode([ |
| 3776 |
'contents' => [ |
| 3777 |
[ |
| 3778 |
'role' => 'user', |
| 3779 |
'parts' => [ |
| 3780 |
['text' => $system_prompt . "\n\nQuery: " . sanitize_text_field($user_query)] |
| 3781 |
] |
| 3782 |
] |
| 3783 |
], |
| 3784 |
'generationConfig' => [ |
| 3785 |
'temperature' => 0.2, |
| 3786 |
'maxOutputTokens' => 20, |
| 3787 |
], |
| 3788 |
]), |
| 3789 |
'method' => 'POST', |
| 3790 |
'timeout' => 15, |
| 3791 |
]; |
| 3792 |
|
| 3793 |
$response = wp_remote_post($url, $args); |
| 3794 |
if (is_wp_error($response)) { |
| 3795 |
return sanitize_text_field($user_query); |
| 3796 |
} |
| 3797 |
|
| 3798 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 3799 |
if (!empty($body['candidates'][0]['content']['parts'][0]['text'])) { |
| 3800 |
return sanitize_text_field(trim($body['candidates'][0]['content']['parts'][0]['text'])); |
| 3801 |
} |
| 3802 |
|
| 3803 |
return sanitize_text_field($user_query); |
| 3804 |
} |
| 3805 |
|
| 3806 |
/** |
| 3807 |
* Interpret query using X.AI (Grok) models |
| 3808 |
*/ |
| 3809 |
private function interpret_query_with_xai($user_query, $system_prompt, $api_key, $model) { |
| 3810 |
$url = 'https://api.xai.com/v1/chat/completions'; |
| 3811 |
|
| 3812 |
$args = [ |
| 3813 |
'headers' => [ |
| 3814 |
'Content-Type' => 'application/json', |
| 3815 |
'Authorization' => 'Bearer ' . $api_key, |
| 3816 |
], |
| 3817 |
'body' => wp_json_encode([ |
| 3818 |
'model' => $model, |
| 3819 |
'messages' => [ |
| 3820 |
['role' => 'system', 'content' => $system_prompt], |
| 3821 |
['role' => 'user', 'content' => sanitize_text_field($user_query)], |
| 3822 |
], |
| 3823 |
'temperature' => 0.2, |
| 3824 |
'max_tokens' => 20, |
| 3825 |
]), |
| 3826 |
'method' => 'POST', |
| 3827 |
'timeout' => 15, |
| 3828 |
]; |
| 3829 |
|
| 3830 |
$response = wp_remote_post($url, $args); |
| 3831 |
if (is_wp_error($response)) { |
| 3832 |
return sanitize_text_field($user_query); |
| 3833 |
} |
| 3834 |
|
| 3835 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 3836 |
if (isset($body['choices'][0]['message']['content'])) { |
| 3837 |
return sanitize_text_field(trim($body['choices'][0]['message']['content'])); |
| 3838 |
} |
| 3839 |
|
| 3840 |
return sanitize_text_field($user_query); |
| 3841 |
} |
| 3842 |
|
| 3843 |
/** |
| 3844 |
* Interpret query using DeepSeek models |
| 3845 |
*/ |
| 3846 |
private function interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $model) { |
| 3847 |
$url = 'https://api.deepseek.com/v1/chat/completions'; |
| 3848 |
|
| 3849 |
$args = [ |
| 3850 |
'headers' => [ |
| 3851 |
'Content-Type' => 'application/json', |
| 3852 |
'Authorization' => 'Bearer ' . $api_key, |
| 3853 |
], |
| 3854 |
'body' => wp_json_encode([ |
| 3855 |
'model' => $model, |
| 3856 |
'messages' => [ |
| 3857 |
['role' => 'system', 'content' => $system_prompt], |
| 3858 |
['role' => 'user', 'content' => sanitize_text_field($user_query)], |
| 3859 |
], |
| 3860 |
'temperature' => 0.2, |
| 3861 |
'max_tokens' => 20, |
| 3862 |
// DeepSeek V4 defaults to thinking mode ON (temperature ignored, |
| 3863 |
// reasoning burns the 20-token budget); keep the legacy |
| 3864 |
// deepseek-chat semantics = non-thinking. |
| 3865 |
'thinking' => ['type' => 'disabled'], |
| 3866 |
]), |
| 3867 |
'method' => 'POST', |
| 3868 |
'timeout' => 15, |
| 3869 |
]; |
| 3870 |
|
| 3871 |
$response = wp_remote_post($url, $args); |
| 3872 |
if (is_wp_error($response)) { |
| 3873 |
return sanitize_text_field($user_query); |
| 3874 |
} |
| 3875 |
|
| 3876 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 3877 |
if (isset($body['choices'][0]['message']['content'])) { |
| 3878 |
return sanitize_text_field(trim($body['choices'][0]['message']['content'])); |
| 3879 |
} |
| 3880 |
|
| 3881 |
return sanitize_text_field($user_query); |
| 3882 |
} |
| 3883 |
|
| 3884 |
//very good |
| 3885 |
private function add_email_to_loops($email) { |
| 3886 |
// Sanitize the email |
| 3887 |
$email = sanitize_email($email); |
| 3888 |
|
| 3889 |
// Retrieve and sanitize options |
| 3890 |
$api_key = isset($this->options['loops_api_key']) ? sanitize_text_field($this->options['loops_api_key']) : ''; |
| 3891 |
$mailing_list_id = isset($this->options['loops_mailing_list']) ? sanitize_text_field($this->options['loops_mailing_list']) : ''; |
| 3892 |
|
| 3893 |
// Check for missing API key or mailing list ID |
| 3894 |
if (empty($api_key) || empty($mailing_list_id)) { |
| 3895 |
//error_log(esc_html__('Loops API key or mailing list ID is missing.', 'mxchat')); |
| 3896 |
return; |
| 3897 |
} |
| 3898 |
|
| 3899 |
$data = array( |
| 3900 |
'email' => $email, |
| 3901 |
'subscribed' => true, |
| 3902 |
'source' => __('MxChat AI Chatbot', 'mxchat'), |
| 3903 |
'mailingLists' => array($mailing_list_id => true), |
| 3904 |
); |
| 3905 |
|
| 3906 |
$url = 'https://app.loops.so/api/v1/contacts/create'; |
| 3907 |
$args = array( |
| 3908 |
'body' => wp_json_encode($data), |
| 3909 |
'headers' => array( |
| 3910 |
'Authorization' => 'Bearer ' . $api_key, |
| 3911 |
'Content-Type' => 'application/json', |
| 3912 |
), |
| 3913 |
'method' => 'POST', |
| 3914 |
'timeout' => 45, |
| 3915 |
); |
| 3916 |
|
| 3917 |
$response = wp_remote_post($url, $args); |
| 3918 |
|
| 3919 |
// Handle errors in the API request |
| 3920 |
if (is_wp_error($response)) { |
| 3921 |
//error_log(esc_html__('Error adding email to Loops: ', 'mxchat') . $response->get_error_message()); |
| 3922 |
return; |
| 3923 |
} |
| 3924 |
|
| 3925 |
// Check for non-200 HTTP responses |
| 3926 |
$response_code = wp_remote_retrieve_response_code($response); |
| 3927 |
if ($response_code != 200) { |
| 3928 |
$response_body = wp_remote_retrieve_body($response); |
| 3929 |
//error_log(esc_html__('Loops API responded with code ', 'mxchat') . $response_code . ': ' . $response_body); |
| 3930 |
} |
| 3931 |
} |
| 3932 |
|
| 3933 |
public function mxchat_handle_pdf_discussion($message, $user_id, $session_id) { |
| 3934 |
// Get the maximum number of pages allowed from admin settings |
| 3935 |
$max_pages = isset($this->options['pdf_max_pages']) ? intval($this->options['pdf_max_pages']) : 69; |
| 3936 |
|
| 3937 |
// Retrieve options for dynamic texts |
| 3938 |
$trigger_text = $this->options['pdf_intent_trigger_text'] ?? __("Please provide the URL to the PDF you'd like to discuss.", 'mxchat'); |
| 3939 |
$success_text = $this->options['pdf_intent_success_text'] ?? __("I've processed the PDF. What questions do you have about it?", 'mxchat'); |
| 3940 |
$error_text = $this->options['pdf_intent_error_text'] ?? __("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat'); |
| 3941 |
|
| 3942 |
// Check for explicit request for new PDF |
| 3943 |
$new_pdf_requested = stripos($message, 'new') !== false || |
| 3944 |
stripos($message, 'another') !== false || |
| 3945 |
stripos($message, 'different') !== false; |
| 3946 |
|
| 3947 |
// If user mentions adding/reading a PDF, set waiting flag |
| 3948 |
if (stripos($message, 'pdf') !== false || |
| 3949 |
stripos($message, 'document') !== false || |
| 3950 |
stripos($message, 'read') !== false) { |
| 3951 |
set_transient('mxchat_waiting_for_pdf_url_' . $session_id, true, HOUR_IN_SECONDS); |
| 3952 |
$this->fallbackResponse['text'] = $trigger_text; |
| 3953 |
return; |
| 3954 |
} |
| 3955 |
|
| 3956 |
// If we're waiting for a URL or user requested new PDF |
| 3957 |
if ($new_pdf_requested || get_transient('mxchat_waiting_for_pdf_url_' . $session_id)) { |
| 3958 |
if (preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) { |
| 3959 |
// Process URL... (rest of your existing URL processing code) |
| 3960 |
} else { |
| 3961 |
$this->fallbackResponse['text'] = $trigger_text; |
| 3962 |
} |
| 3963 |
return; |
| 3964 |
} |
| 3965 |
|
| 3966 |
// Default to proceeding with conversation if no specific PDF action is needed |
| 3967 |
$this->fallbackResponse['text'] = ''; |
| 3968 |
} |
| 3969 |
|
| 3970 |
|
| 3971 |
/** |
| 3972 |
* Enhanced fetch_and_split_pdf_pages with SSRF protection |
| 3973 |
*/ |
| 3974 |
private function fetch_and_split_pdf_pages($pdf_source, $max_pages) { |
| 3975 |
// CLEAR DEBUG LOGGING |
| 3976 |
//error_log("=== MXCHAT PDF PROCESSING START ==="); |
| 3977 |
//error_log("PDF Source: " . $pdf_source); |
| 3978 |
//error_log("Max Pages: " . $max_pages); |
| 3979 |
//error_log("Session ID: " . ($this->session_id ?? 'not set')); |
| 3980 |
|
| 3981 |
// Check if Advanced Claude Toolbar is available and enabled |
| 3982 |
$claude_available = function_exists('mxchatACT_is_advanced_claude_enabled'); |
| 3983 |
$claude_enabled = $claude_available ? mxchatACT_is_advanced_claude_enabled() : false; |
| 3984 |
|
| 3985 |
//error_log("Claude Function Available: " . ($claude_available ? 'YES' : 'NO')); |
| 3986 |
//error_log("Claude Enabled: " . ($claude_enabled ? 'YES' : 'NO')); |
| 3987 |
|
| 3988 |
if ($claude_available && $claude_enabled) { |
| 3989 |
//error_log("🚀 ATTEMPTING CLAUDE PROCESSING..."); |
| 3990 |
|
| 3991 |
// Attempt Claude processing first |
| 3992 |
$claude_result = apply_filters('mxchat_process_pdf_advanced', false, $pdf_source, $max_pages, $this->session_id); |
| 3993 |
|
| 3994 |
if ($claude_result !== false && is_array($claude_result) && !empty($claude_result)) { |
| 3995 |
//error_log("✅ CLAUDE PROCESSING SUCCESSFUL!"); |
| 3996 |
//error_log("Claude returned " . count($claude_result) . " processed pages"); |
| 3997 |
|
| 3998 |
// Log first page details for verification |
| 3999 |
if (isset($claude_result[0])) { |
| 4000 |
$first_page = $claude_result[0]; |
| 4001 |
//error_log("First page enhanced: " . (isset($first_page['enhanced']) && $first_page['enhanced'] ? 'YES' : 'NO')); |
| 4002 |
//error_log("Processing method: " . ($first_page['processing_method'] ?? 'not set')); |
| 4003 |
//error_log("First page text preview: " . substr($first_page['text'] ?? '', 0, 100) . "..."); |
| 4004 |
} |
| 4005 |
|
| 4006 |
//error_log("=== MXCHAT PDF PROCESSING END (CLAUDE) ==="); |
| 4007 |
return $claude_result; |
| 4008 |
} else { |
| 4009 |
//error_log("❌ CLAUDE PROCESSING FAILED or returned invalid result"); |
| 4010 |
//error_log("Claude result type: " . gettype($claude_result)); |
| 4011 |
if (is_array($claude_result)) { |
| 4012 |
//error_log("Claude result count: " . count($claude_result)); |
| 4013 |
} |
| 4014 |
} |
| 4015 |
} |
| 4016 |
|
| 4017 |
// Fallback to basic processing |
| 4018 |
//error_log("🔄 FALLING BACK TO BASIC PDF PROCESSING..."); |
| 4019 |
|
| 4020 |
$upload_dir = wp_upload_dir(); |
| 4021 |
$temp_file = null; |
| 4022 |
|
| 4023 |
try { |
| 4024 |
// Your existing basic processing code here... |
| 4025 |
// (I'll include the key parts with debug logging) |
| 4026 |
|
| 4027 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL)) { |
| 4028 |
//error_log("Downloading PDF from URL..."); |
| 4029 |
|
| 4030 |
// SECURITY FIX: Validate URL before processing |
| 4031 |
if (!$this->mxchat_is_safe_pdf_url($pdf_source)) { |
| 4032 |
//error_log("❌ SECURITY: Blocked unsafe PDF URL"); |
| 4033 |
return false; |
| 4034 |
} |
| 4035 |
|
| 4036 |
$temp_file = wp_tempnam($pdf_source); |
| 4037 |
|
| 4038 |
// SECURITY FIX: Changed from wp_remote_get to wp_safe_remote_get |
| 4039 |
// Route through the shared MXChat crawler identity (plan bae78f/b6d93c) so |
| 4040 |
// every remote-content fetch presents one honest, versioned, filterable, |
| 4041 |
// allowlistable User-Agent. function_exists guard keeps the front-end/nopriv |
| 4042 |
// path safe if the helper (in the always-loaded main file) is ever unavailable. |
| 4043 |
$response = wp_safe_remote_get($pdf_source, [ |
| 4044 |
'timeout' => 60, |
| 4045 |
'headers' => ['User-Agent' => function_exists('mxchat_ingest_user_agent') ? mxchat_ingest_user_agent() : 'MxChat PDF Processor'] |
| 4046 |
]); |
| 4047 |
|
| 4048 |
if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) { |
| 4049 |
$error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP ' . wp_remote_retrieve_response_code($response); |
| 4050 |
//error_log("❌ BASIC PROCESSING: Failed to download PDF: " . $error_message); |
| 4051 |
return false; |
| 4052 |
} |
| 4053 |
|
| 4054 |
global $wp_filesystem; |
| 4055 |
if (empty($wp_filesystem)) { |
| 4056 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 4057 |
WP_Filesystem(); |
| 4058 |
} |
| 4059 |
$wp_filesystem->put_contents($temp_file, wp_remote_retrieve_body($response), FS_CHMOD_FILE); |
| 4060 |
//error_log("✅ PDF downloaded successfully"); |
| 4061 |
} else { |
| 4062 |
$temp_file = $pdf_source; |
| 4063 |
//error_log("Using local PDF file: " . $temp_file); |
| 4064 |
} |
| 4065 |
|
| 4066 |
// Parse PDF |
| 4067 |
//error_log("Parsing PDF with basic parser..."); |
| 4068 |
mxchat_load_pdf_parser(); |
| 4069 |
$parser = new \Smalot\PdfParser\Parser(); |
| 4070 |
$pdf = $parser->parseFile($temp_file); |
| 4071 |
$pages = $pdf->getPages(); |
| 4072 |
|
| 4073 |
//error_log("PDF contains " . count($pages) . " pages"); |
| 4074 |
|
| 4075 |
if (count($pages) > $max_pages) { |
| 4076 |
//error_log("❌ BASIC PROCESSING: Too many pages (" . count($pages) . " > " . $max_pages . ")"); |
| 4077 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) { |
| 4078 |
unlink($temp_file); |
| 4079 |
} |
| 4080 |
return 'too_many_pages'; |
| 4081 |
} |
| 4082 |
|
| 4083 |
$embeddings = []; |
| 4084 |
$processed_pages = 0; |
| 4085 |
|
| 4086 |
foreach ($pages as $page_number => $page) { |
| 4087 |
$text = $page->getText(); |
| 4088 |
|
| 4089 |
if (empty(trim($text))) { |
| 4090 |
//error_log("Skipping empty page: " . ($page_number + 1)); |
| 4091 |
continue; |
| 4092 |
} |
| 4093 |
|
| 4094 |
$text = $this->mxchat_clean_text($text); |
| 4095 |
|
| 4096 |
$embedding = $this->mxchat_generate_embedding( |
| 4097 |
__("Page ", 'mxchat') . ($page_number + 1) . ": " . $text, |
| 4098 |
$this->options['api_key'] |
| 4099 |
); |
| 4100 |
|
| 4101 |
if ($embedding) { |
| 4102 |
$embeddings[] = [ |
| 4103 |
'page_number' => $page_number + 1, |
| 4104 |
'embedding' => $embedding, |
| 4105 |
'text' => $text, |
| 4106 |
'enhanced' => false, // CLEARLY MARK AS BASIC |
| 4107 |
'processing_method' => 'basic_pdf_parser' |
| 4108 |
]; |
| 4109 |
$processed_pages++; |
| 4110 |
} |
| 4111 |
} |
| 4112 |
|
| 4113 |
//error_log("✅ BASIC PROCESSING COMPLETE: " . $processed_pages . " pages processed"); |
| 4114 |
|
| 4115 |
// Cleanup |
| 4116 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) { |
| 4117 |
unlink($temp_file); |
| 4118 |
} |
| 4119 |
|
| 4120 |
//error_log("=== MXCHAT PDF PROCESSING END (BASIC) ==="); |
| 4121 |
return $embeddings; |
| 4122 |
|
| 4123 |
} catch (\Exception $e) { |
| 4124 |
//error_log("❌ BASIC PROCESSING ERROR: " . $e->getMessage()); |
| 4125 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) { |
| 4126 |
unlink($temp_file); |
| 4127 |
} |
| 4128 |
//error_log("=== MXCHAT PDF PROCESSING END (ERROR) ==="); |
| 4129 |
return false; |
| 4130 |
} |
| 4131 |
} |
| 4132 |
|
| 4133 |
|
| 4134 |
/** |
| 4135 |
* Validate PDF URL for security |
| 4136 |
* Prevents SSRF attacks by blocking dangerous URLs |
| 4137 |
*/ |
| 4138 |
|
| 4139 |
private function mxchat_is_safe_pdf_url($url) { |
| 4140 |
// Use WordPress core function for comprehensive validation |
| 4141 |
// This blocks localhost, private IPs, and reserved IP ranges |
| 4142 |
$validated_url = wp_http_validate_url($url); |
| 4143 |
|
| 4144 |
if ($validated_url === false) { |
| 4145 |
return false; |
| 4146 |
} |
| 4147 |
|
| 4148 |
// Additional check: only allow HTTP/HTTPS schemes |
| 4149 |
$parsed = parse_url($url); |
| 4150 |
if (!isset($parsed['scheme']) || !in_array($parsed['scheme'], ['http', 'https'], true)) { |
| 4151 |
return false; |
| 4152 |
} |
| 4153 |
|
| 4154 |
return true; |
| 4155 |
} |
| 4156 |
|
| 4157 |
|
| 4158 |
private function mxchat_clean_text($text) { |
| 4159 |
// Remove excessive whitespace |
| 4160 |
$text = preg_replace('/\s+/', ' ', $text); |
| 4161 |
|
| 4162 |
// Remove control characters except newlines and tabs |
| 4163 |
$text = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $text); |
| 4164 |
|
| 4165 |
// Normalize line endings |
| 4166 |
$text = str_replace(["\r\n", "\r"], "\n", $text); |
| 4167 |
|
| 4168 |
// Trim whitespace |
| 4169 |
$text = trim($text); |
| 4170 |
|
| 4171 |
return $text; |
| 4172 |
} |
| 4173 |
|
| 4174 |
private function find_relevant_pdf_pages($query_embedding, $embeddings) { |
| 4175 |
//error_log(esc_html__("find_relevant_pdf_pages called.", 'mxchat')); |
| 4176 |
|
| 4177 |
$most_relevant = null; |
| 4178 |
$highest_similarity = -INF; |
| 4179 |
|
| 4180 |
foreach ($embeddings as $page_data) { |
| 4181 |
$similarity = $this->mxchat_calculate_cosine_similarity($query_embedding, $page_data['embedding']); |
| 4182 |
|
| 4183 |
if ($similarity > $highest_similarity) { |
| 4184 |
$highest_similarity = $similarity; |
| 4185 |
$most_relevant = $page_data['page_number']; |
| 4186 |
} |
| 4187 |
} |
| 4188 |
|
| 4189 |
if (!is_null($most_relevant)) { |
| 4190 |
$page_numbers = range(max(1, $most_relevant - 1), min(count($embeddings), $most_relevant + 1)); |
| 4191 |
return array_filter($embeddings, function ($page) use ($page_numbers) { |
| 4192 |
return in_array($page['page_number'], $page_numbers); |
| 4193 |
}); |
| 4194 |
} |
| 4195 |
|
| 4196 |
return []; |
| 4197 |
} |
| 4198 |
|
| 4199 |
|
| 4200 |
public function handle_pdf_upload() { |
| 4201 |
if (!isset($_POST['nonce']) || !MxChat_Integrator::mxchat_verify_chat_send_nonce(wp_unslash((string) $_POST['nonce']))) { |
| 4202 |
wp_send_json_error(array('message' => esc_html__('Invalid nonce.', 'mxchat')), 403); |
| 4203 |
} |
| 4204 |
|
| 4205 |
if (!isset($_FILES['pdf_file']) || !isset($_POST['session_id'])) { |
| 4206 |
wp_send_json_error(esc_html__('Missing required parameters.', 'mxchat')); |
| 4207 |
return; |
| 4208 |
} |
| 4209 |
|
| 4210 |
// SECURITY FIX: Check if PDF uploads are enabled in settings |
| 4211 |
$options = get_option('mxchat_options', array()); |
| 4212 |
$show_pdf_button = isset($options['show_pdf_upload_button']) ? $options['show_pdf_upload_button'] : 'on'; |
| 4213 |
|
| 4214 |
if ($show_pdf_button !== 'on') { |
| 4215 |
wp_send_json_error(esc_html__('PDF uploads are currently disabled.', 'mxchat')); |
| 4216 |
return; |
| 4217 |
} |
| 4218 |
|
| 4219 |
$file = $_FILES['pdf_file']; |
| 4220 |
$session_id = MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])); |
| 4221 |
$original_filename = sanitize_text_field($file['name']); |
| 4222 |
|
| 4223 |
// Update session owner if it changed (e.g. IP changed due to network switch) |
| 4224 |
$current_user_identifier = MxChat_User::mxchat_get_user_identifier(); |
| 4225 |
$session_owner = get_option("mxchat_session_owner_{$session_id}"); |
| 4226 |
|
| 4227 |
if (!$session_owner || $session_owner !== $current_user_identifier) { |
| 4228 |
update_option("mxchat_session_owner_{$session_id}", $current_user_identifier, 'no'); |
| 4229 |
} |
| 4230 |
|
| 4231 |
$file_type = wp_check_filetype($file['name'], ['pdf' => 'application/pdf']); |
| 4232 |
if ($file_type['type'] !== 'application/pdf') { |
| 4233 |
wp_send_json_error(esc_html__('Invalid file type. Only PDF files are allowed.', 'mxchat')); |
| 4234 |
return; |
| 4235 |
} |
| 4236 |
|
| 4237 |
$upload_dir = wp_upload_dir(); |
| 4238 |
|
| 4239 |
// SECURITY FIX: Generate random filename without exposing session_id |
| 4240 |
$random_string = wp_generate_password(20, false, false); // 20 char alphanumeric string |
| 4241 |
$pdf_filename = 'mxchat_' . $random_string . '_' . time() . '.pdf'; |
| 4242 |
$pdf_path = $upload_dir['path'] . '/' . $pdf_filename; |
| 4243 |
|
| 4244 |
if (!move_uploaded_file($file['tmp_name'], $pdf_path)) { |
| 4245 |
wp_send_json_error(esc_html__('Failed to upload file.', 'mxchat')); |
| 4246 |
return; |
| 4247 |
} |
| 4248 |
|
| 4249 |
$this->clear_pdf_transients($session_id); |
| 4250 |
|
| 4251 |
$max_pages = isset($this->options['pdf_max_pages']) ? intval($this->options['pdf_max_pages']) : 69; |
| 4252 |
$embeddings = $this->fetch_and_split_pdf_pages($pdf_path, $max_pages); |
| 4253 |
|
| 4254 |
if ($embeddings === 'too_many_pages') { |
| 4255 |
unlink($pdf_path); |
| 4256 |
$error_message = sprintf( |
| 4257 |
$this->options['pdf_intent_error_text'] ?? |
| 4258 |
esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'), |
| 4259 |
$max_pages |
| 4260 |
); |
| 4261 |
wp_send_json_error($error_message); |
| 4262 |
return; |
| 4263 |
} |
| 4264 |
|
| 4265 |
if ($embeddings === false || empty($embeddings)) { |
| 4266 |
unlink($pdf_path); |
| 4267 |
$error_message = $this->options['pdf_intent_error_text'] ?? |
| 4268 |
esc_html__('The uploaded PDF appears to be empty or contains unsupported content.', 'mxchat'); |
| 4269 |
wp_send_json_error($error_message); |
| 4270 |
return; |
| 4271 |
} |
| 4272 |
|
| 4273 |
if (!empty($embeddings)) { |
| 4274 |
// Store the mapping between session and the random filename |
| 4275 |
set_transient('mxchat_pdf_url_' . $session_id, $pdf_path, HOUR_IN_SECONDS); |
| 4276 |
set_transient('mxchat_pdf_filename_' . $session_id, $original_filename, HOUR_IN_SECONDS); |
| 4277 |
set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS); |
| 4278 |
set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS); |
| 4279 |
|
| 4280 |
$success_message = $this->options['pdf_intent_success_text'] ?? |
| 4281 |
esc_html__("I've processed the PDF. What questions do you have about it?", 'mxchat'); |
| 4282 |
|
| 4283 |
wp_send_json_success([ |
| 4284 |
'message' => $success_message, |
| 4285 |
'filename' => $original_filename |
| 4286 |
]); |
| 4287 |
return; |
| 4288 |
} |
| 4289 |
|
| 4290 |
unlink($pdf_path); |
| 4291 |
$error_message = $this->options['pdf_intent_error_text'] ?? |
| 4292 |
esc_html__('Sorry, I couldn\'t process the PDF. Please ensure it\'s a valid file.', 'mxchat'); |
| 4293 |
wp_send_json_error($error_message); |
| 4294 |
return; |
| 4295 |
} |
| 4296 |
public function handle_pdf_remove() { |
| 4297 |
if (!isset($_POST['nonce']) || !MxChat_Integrator::mxchat_verify_chat_send_nonce(wp_unslash((string) $_POST['nonce']))) { |
| 4298 |
wp_send_json_error(array('message' => esc_html__('Invalid nonce.', 'mxchat')), 403); |
| 4299 |
} |
| 4300 |
|
| 4301 |
if (empty($_POST['session_id'])) { |
| 4302 |
wp_send_json_error(esc_html__('Session ID missing.', 'mxchat')); |
| 4303 |
wp_die(); |
| 4304 |
} |
| 4305 |
|
| 4306 |
$session_id = MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])); |
| 4307 |
if ($session_id === '') { |
| 4308 |
wp_send_json_error(esc_html__('Session ID missing.', 'mxchat')); |
| 4309 |
wp_die(); |
| 4310 |
} |
| 4311 |
|
| 4312 |
// Session-ownership bookkeeping (plan-mxchat-20260731-d42bec). |
| 4313 |
// |
| 4314 |
// Be clear about what this does and does not do. It mirrors the history |
| 4315 |
// endpoint's rule exactly, as directed, INCLUDING its changed-IP tolerance: |
| 4316 |
// possession of the session id IS the credential, so a mismatched identifier |
| 4317 |
// re-owns the session instead of being refused. That means this does NOT |
| 4318 |
// refuse a caller who supplies someone else's session id — it keeps the two |
| 4319 |
// endpoints agreeing about who owns a session, and records the owner so a |
| 4320 |
// future stricter policy has trustworthy data to enforce against. |
| 4321 |
// |
| 4322 |
// What actually protects another visitor's upload here is that session ids |
| 4323 |
// are 128-bit CSPRNG values (plan-0c17b5) and therefore not guessable. If we |
| 4324 |
// ever want a real boundary on this endpoint, it has to be decided for the |
| 4325 |
// history endpoint at the same time. |
| 4326 |
$current_user_identifier = MxChat_User::mxchat_get_user_identifier(); |
| 4327 |
$session_owner = get_option("mxchat_session_owner_{$session_id}"); |
| 4328 |
if (!$session_owner || $session_owner !== $current_user_identifier) { |
| 4329 |
update_option("mxchat_session_owner_{$session_id}", $current_user_identifier, 'no'); |
| 4330 |
} |
| 4331 |
|
| 4332 |
$pdf_path = get_transient('mxchat_pdf_url_' . $session_id); |
| 4333 |
|
| 4334 |
if ($pdf_path && file_exists($pdf_path)) { |
| 4335 |
unlink($pdf_path); |
| 4336 |
} |
| 4337 |
|
| 4338 |
$this->clear_pdf_transients($session_id); |
| 4339 |
|
| 4340 |
wp_send_json_success([ |
| 4341 |
'message' => esc_html__('PDF removed successfully.', 'mxchat') |
| 4342 |
]); |
| 4343 |
wp_die(); |
| 4344 |
} |
| 4345 |
|
| 4346 |
|
| 4347 |
function mxchat_fetch_new_messages() { |
| 4348 |
$session_id = MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])); |
| 4349 |
$last_seen_id = sanitize_text_field($_POST['last_seen_id']); |
| 4350 |
$persistence_enabled = $_POST['persistence_enabled'] === 'true'; |
| 4351 |
$initial_timestamp = isset($_POST['initial_timestamp']) ? intval($_POST['initial_timestamp']) : 0; |
| 4352 |
|
| 4353 |
if (empty($session_id)) { |
| 4354 |
//error_log(esc_html__('Fetch new messages error: Session ID missing.', 'mxchat')); |
| 4355 |
wp_send_json_error(['message' => esc_html__('Session ID missing.', 'mxchat')]); |
| 4356 |
wp_die(); |
| 4357 |
} |
| 4358 |
|
| 4359 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 4360 |
|
| 4361 |
//error_log("MxChat WhatsApp DEBUG: Fetch new messages for session {$session_id}"); |
| 4362 |
//error_log("MxChat WhatsApp DEBUG: last_seen_id = " . var_export($last_seen_id, true)); |
| 4363 |
//error_log("MxChat WhatsApp DEBUG: History count = " . count($history)); |
| 4364 |
//error_log("MxChat WhatsApp DEBUG: Full history = " . print_r($history, true)); |
| 4365 |
|
| 4366 |
$new_messages = array_filter($history, function ($message) use ($last_seen_id, $persistence_enabled, $initial_timestamp) { |
| 4367 |
//error_log("MxChat WhatsApp DEBUG: Checking message - ID: " . ($message['id'] ?? 'NO_ID') . ", Role: " . ($message['role'] ?? 'NO_ROLE')); |
| 4368 |
|
| 4369 |
// If persistence is enabled, show all new messages |
| 4370 |
if ($persistence_enabled) { |
| 4371 |
$has_id = !empty($message['id']); |
| 4372 |
$is_agent = $message['role'] === 'agent'; |
| 4373 |
|
| 4374 |
// If last_seen_id is empty, 'NaN', or invalid, show all agent messages |
| 4375 |
if (empty($last_seen_id) || $last_seen_id === 'NaN' || $last_seen_id === 'undefined') { |
| 4376 |
$is_newer = true; |
| 4377 |
} else { |
| 4378 |
$is_newer = strcmp($message['id'] ?? '', $last_seen_id) > 0; |
| 4379 |
} |
| 4380 |
|
| 4381 |
//error_log("MxChat WhatsApp DEBUG: has_id={$has_id}, is_newer={$is_newer}, is_agent={$is_agent}"); |
| 4382 |
|
| 4383 |
return $has_id && $is_newer && $is_agent; |
| 4384 |
} |
| 4385 |
|
| 4386 |
// If persistence is disabled, only show messages after initial timestamp |
| 4387 |
return !empty($message['id']) && |
| 4388 |
$message['role'] === 'agent' && |
| 4389 |
$message['timestamp'] > $initial_timestamp; |
| 4390 |
}); |
| 4391 |
|
| 4392 |
//error_log("MxChat WhatsApp DEBUG: Filtered messages count = " . count($new_messages)); |
| 4393 |
|
| 4394 |
// Include current chat mode so frontend can detect agent→AI transitions |
| 4395 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 4396 |
|
| 4397 |
wp_send_json_success([ |
| 4398 |
'new_messages' => array_values($new_messages), |
| 4399 |
'chat_mode' => $chat_mode |
| 4400 |
]); |
| 4401 |
wp_die(); |
| 4402 |
} |
| 4403 |
public function mxchat_live_agent_handover($message, $user_id, $session_id) { |
| 4404 |
// First check if live agents are available. |
| 4405 |
// Outside the SLACK availability schedule this behaves exactly like the |
| 4406 |
// manual toggle being off — same away message, same stay-in-AI-mode path |
| 4407 |
// (plans 8ccaa2 + 99d7a4: each channel owns its own schedule). The schedule |
| 4408 |
// normally stops the tool being offered at all; this is the backstop for |
| 4409 |
// any path that calls the handover directly. |
| 4410 |
$live_agent_available = $this->options['live_agent_status'] ?? 'off'; |
| 4411 |
$within_hours = !class_exists('MxChat_Live_Agent_Schedule') |
| 4412 |
|| MxChat_Live_Agent_Schedule::is_within_hours('slack'); |
| 4413 |
if ($live_agent_available !== 'on' || !$within_hours) { |
| 4414 |
$away_message = $this->options['live_agent_away_message'] ?? 'Sorry, live agents are currently unavailable. I can continue helping you as an AI assistant.'; |
| 4415 |
$this->fallbackResponse = [ |
| 4416 |
'text' => $away_message, |
| 4417 |
'html' => '', |
| 4418 |
'images' => [], |
| 4419 |
'chat_mode' => 'ai' |
| 4420 |
]; |
| 4421 |
wp_send_json([ |
| 4422 |
'text' => $away_message, |
| 4423 |
'html' => '', |
| 4424 |
'chat_mode' => 'ai', |
| 4425 |
'session_id' => $session_id |
| 4426 |
]); |
| 4427 |
wp_die(); |
| 4428 |
} |
| 4429 |
|
| 4430 |
$slack_bot_token = $this->options['live_agent_bot_token'] ?? ''; |
| 4431 |
|
| 4432 |
if (empty($slack_bot_token)) { |
| 4433 |
return false; |
| 4434 |
} |
| 4435 |
|
| 4436 |
// Check if channel already exists for this session |
| 4437 |
$channel_id = get_option("mxchat_channel_{$session_id}", ''); |
| 4438 |
|
| 4439 |
// Shared-channel mode (plan 9f7756): when a shared handoff channel is |
| 4440 |
// configured and this session doesn't already own a per-conversation |
| 4441 |
// channel, the handoff posts into the shared channel as a new thread |
| 4442 |
// (or into the session's existing thread on a re-handover). Any failure |
| 4443 |
// to reach the shared channel falls back to per-conversation creation |
| 4444 |
// below, so a misconfigured channel never drops a handoff. |
| 4445 |
$shared_channel_setting = trim($this->options['live_agent_shared_channel'] ?? ''); |
| 4446 |
$shared_thread_ts = get_option("mxchat_thread_{$session_id}", ''); |
| 4447 |
$use_shared_channel = ($shared_channel_setting !== '' && empty($channel_id)); |
| 4448 |
|
| 4449 |
if (empty($channel_id) && !$use_shared_channel) { |
| 4450 |
$channel_id = $this->mxchat_create_conversation_channel($session_id); |
| 4451 |
if (empty($channel_id)) { |
| 4452 |
return false; // Failed to create channel |
| 4453 |
} |
| 4454 |
} |
| 4455 |
|
| 4456 |
// Get recent chat history |
| 4457 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 4458 |
$recent_history = array_slice($history, -5); |
| 4459 |
|
| 4460 |
// Format conversation context |
| 4461 |
$conversation_context = ""; |
| 4462 |
if (!empty($recent_history)) { |
| 4463 |
$conversation_context = "*Recent Conversation:*\n"; |
| 4464 |
foreach ($recent_history as $hist_message) { |
| 4465 |
$role_display = $hist_message['role'] === 'user' ? 'User' : 'AI'; |
| 4466 |
$conversation_context .= ">{$role_display}: {$hist_message['content']}\n"; |
| 4467 |
} |
| 4468 |
$conversation_context .= "\n"; |
| 4469 |
} |
| 4470 |
|
| 4471 |
update_option("mxchat_mode_{$session_id}", 'agent'); |
| 4472 |
|
| 4473 |
// Send message to channel |
| 4474 |
$channel_message = "🔔 *New Live Agent Request*\n\n"; |
| 4475 |
$channel_message .= "*Session ID:* `{$session_id}`\n"; |
| 4476 |
$channel_message .= "*User ID:* `{$user_id}`\n"; |
| 4477 |
|
| 4478 |
// Surface the captured visitor identity so the agent knows who they're talking to — |
| 4479 |
// guest User IDs are 0, but the pre-chat gate / login / transcript often has name+email (plan-e2195b). |
| 4480 |
$visitor = $this->mxchat_get_visitor_identity($session_id); |
| 4481 |
if (!empty($visitor['name']) && !empty($visitor['email'])) { |
| 4482 |
$channel_message .= "*Visitor:* {$visitor['name']} <{$visitor['email']}>\n"; |
| 4483 |
} elseif (!empty($visitor['email'])) { |
| 4484 |
$channel_message .= "*Visitor:* <{$visitor['email']}>\n"; |
| 4485 |
} elseif (!empty($visitor['name'])) { |
| 4486 |
$channel_message .= "*Visitor:* {$visitor['name']}\n"; |
| 4487 |
} |
| 4488 |
$channel_message .= "\n"; |
| 4489 |
|
| 4490 |
if (!empty($conversation_context)) { |
| 4491 |
$channel_message .= $conversation_context; |
| 4492 |
} |
| 4493 |
|
| 4494 |
$channel_message .= "*Current Message:*\n{$message}\n\n"; |
| 4495 |
if ($use_shared_channel) { |
| 4496 |
$channel_message .= "_Reply in this thread - replies here go to the user. `!endchat` in this thread ends the chat._"; |
| 4497 |
} else { |
| 4498 |
$channel_message .= "_Reply directly in this channel - all messages will go to the user_"; |
| 4499 |
} |
| 4500 |
|
| 4501 |
if ($use_shared_channel) { |
| 4502 |
$posted = $this->mxchat_post_shared_handoff($session_id, $channel_message, $shared_thread_ts); |
| 4503 |
if (!$posted) { |
| 4504 |
// Shared channel unreachable (wrong name/ID, bot not invited, |
| 4505 |
// archived...). Fall back to the per-conversation flow so the |
| 4506 |
// visitor still reaches an agent; the settings page surfaces the |
| 4507 |
// recorded error to the admin. |
| 4508 |
$use_shared_channel = false; |
| 4509 |
$channel_id = $this->mxchat_create_conversation_channel($session_id); |
| 4510 |
if (empty($channel_id)) { |
| 4511 |
return false; |
| 4512 |
} |
| 4513 |
$channel_message = str_replace( |
| 4514 |
"_Reply in this thread - replies here go to the user. `!endchat` in this thread ends the chat._", |
| 4515 |
"_Reply directly in this channel - all messages will go to the user_", |
| 4516 |
$channel_message |
| 4517 |
); |
| 4518 |
} |
| 4519 |
} |
| 4520 |
|
| 4521 |
if (!$use_shared_channel) { |
| 4522 |
$handoff_post = wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 4523 |
'headers' => [ |
| 4524 |
'Content-Type' => 'application/json', |
| 4525 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 4526 |
], |
| 4527 |
'body' => json_encode([ |
| 4528 |
'channel' => $channel_id, |
| 4529 |
'text' => $channel_message, |
| 4530 |
'mrkdwn' => true |
| 4531 |
]) |
| 4532 |
]); |
| 4533 |
// Re-handover edge (plan 7458a7): the stored mxchat_channel_ may point |
| 4534 |
// at a channel archived by the auto-archive toggle (or deleted by an |
| 4535 |
// admin). Slack answers is_archived / channel_not_found — clear the |
| 4536 |
// stale option, mint a fresh channel, and re-post ONCE so the handoff |
| 4537 |
// is never silently dropped. |
| 4538 |
if (!is_wp_error($handoff_post)) { |
| 4539 |
$handoff_data = json_decode(wp_remote_retrieve_body($handoff_post), true); |
| 4540 |
$handoff_err = isset($handoff_data['error']) ? $handoff_data['error'] : ''; |
| 4541 |
if (isset($handoff_data['ok']) && !$handoff_data['ok'] && in_array($handoff_err, array('is_archived', 'channel_not_found'), true)) { |
| 4542 |
delete_option("mxchat_channel_{$session_id}"); |
| 4543 |
$channel_id = $this->mxchat_create_conversation_channel($session_id); |
| 4544 |
if (!empty($channel_id)) { |
| 4545 |
wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 4546 |
'headers' => [ |
| 4547 |
'Content-Type' => 'application/json', |
| 4548 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 4549 |
], |
| 4550 |
'body' => json_encode([ |
| 4551 |
'channel' => $channel_id, |
| 4552 |
'text' => $channel_message, |
| 4553 |
'mrkdwn' => true |
| 4554 |
]) |
| 4555 |
]); |
| 4556 |
} |
| 4557 |
} |
| 4558 |
} |
| 4559 |
} |
| 4560 |
|
| 4561 |
$success_message = $this->options['live_agent_notification_message'] ?? 'Live agent has been notified.'; |
| 4562 |
$this->mxchat_save_chat_message($session_id, 'bot', $success_message); |
| 4563 |
|
| 4564 |
$this->fallbackResponse = [ |
| 4565 |
'text' => $success_message, |
| 4566 |
'html' => '', |
| 4567 |
'images' => [], |
| 4568 |
'chat_mode' => 'agent' |
| 4569 |
]; |
| 4570 |
|
| 4571 |
wp_send_json([ |
| 4572 |
'success' => true, |
| 4573 |
'text' => $success_message, |
| 4574 |
'html' => '', |
| 4575 |
'chat_mode' => 'agent', |
| 4576 |
'session_id' => $session_id, |
| 4577 |
'fallbackResponse' => $this->fallbackResponse |
| 4578 |
]); |
| 4579 |
wp_die(); |
| 4580 |
} |
| 4581 |
|
| 4582 |
/** |
| 4583 |
* Archive a session's per-conversation chat- channel after !endchat / session |
| 4584 |
* cleanup (plan 7458a7). HARD GUARDS, in order: the toggle must be on |
| 4585 |
* (default off = zero change for existing installs); a session with |
| 4586 |
* mxchat_thread_ set is a 9f7756 SHARED-channel session and is never |
| 4587 |
* archived; only the channel this session owns via mxchat_channel_ is |
| 4588 |
* archived, and only when it matches the channel the caller is acting on. |
| 4589 |
* Best-effort by design — a failed archive is logged and never blocks the |
| 4590 |
* mode flip or cleanup. |
| 4591 |
* |
| 4592 |
* @param string $session_id |
| 4593 |
* @param string $event_channel_id Channel the caller is acting on. |
| 4594 |
*/ |
| 4595 |
private function mxchat_maybe_archive_conversation_channel($session_id, $event_channel_id) { |
| 4596 |
$toggle = $this->options['live_agent_archive_on_end_toggle'] ?? 'off'; |
| 4597 |
if ($toggle !== 'on') { |
| 4598 |
return; |
| 4599 |
} |
| 4600 |
if (get_option("mxchat_thread_{$session_id}", '') !== '') { |
| 4601 |
return; // shared-channel session — the shared channel is NEVER archived |
| 4602 |
} |
| 4603 |
$owned_channel = get_option("mxchat_channel_{$session_id}", ''); |
| 4604 |
if ($owned_channel === '' || $owned_channel !== $event_channel_id) { |
| 4605 |
return; |
| 4606 |
} |
| 4607 |
$slack_bot_token = $this->options['live_agent_bot_token'] ?? ''; |
| 4608 |
if (empty($slack_bot_token)) { |
| 4609 |
return; |
| 4610 |
} |
| 4611 |
$response = wp_remote_post('https://slack.com/api/conversations.archive', [ |
| 4612 |
'headers' => [ |
| 4613 |
'Content-Type' => 'application/json', |
| 4614 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 4615 |
], |
| 4616 |
'body' => json_encode(['channel' => $owned_channel]) |
| 4617 |
]); |
| 4618 |
if (is_wp_error($response)) { |
| 4619 |
error_log('MxChat: conversations.archive request failed: ' . $response->get_error_message()); |
| 4620 |
return; |
| 4621 |
} |
| 4622 |
$data = json_decode(wp_remote_retrieve_body($response), true); |
| 4623 |
if (empty($data['ok'])) { |
| 4624 |
error_log('MxChat: conversations.archive returned error: ' . (isset($data['error']) ? $data['error'] : 'unknown')); |
| 4625 |
} |
| 4626 |
} |
| 4627 |
|
| 4628 |
/** |
| 4629 |
* Create a dedicated per-conversation Slack channel for a session and invite |
| 4630 |
* the configured agents. Extracted from mxchat_live_agent_handover so the |
| 4631 |
* shared-channel mode (plan 9f7756) can reuse it as its fallback path. |
| 4632 |
* |
| 4633 |
* @param string $session_id |
| 4634 |
* @return string Channel ID, or '' on failure. |
| 4635 |
*/ |
| 4636 |
private function mxchat_create_conversation_channel($session_id) { |
| 4637 |
$slack_bot_token = $this->options['live_agent_bot_token'] ?? ''; |
| 4638 |
if (empty($slack_bot_token)) { |
| 4639 |
return ''; |
| 4640 |
} |
| 4641 |
|
| 4642 |
$channel_id = ''; |
| 4643 |
$channel_name = $this->generate_channel_name($session_id); |
| 4644 |
|
| 4645 |
$response = wp_remote_post('https://slack.com/api/conversations.create', [ |
| 4646 |
'headers' => [ |
| 4647 |
'Content-Type' => 'application/json', |
| 4648 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 4649 |
], |
| 4650 |
'body' => json_encode([ |
| 4651 |
'name' => $channel_name, |
| 4652 |
'is_private' => false // Public channel - anyone in workspace can join |
| 4653 |
]) |
| 4654 |
]); |
| 4655 |
|
| 4656 |
if (!is_wp_error($response)) { |
| 4657 |
$response_data = json_decode(wp_remote_retrieve_body($response), true); |
| 4658 |
|
| 4659 |
if (isset($response_data['ok']) && $response_data['ok']) { |
| 4660 |
$channel_id = $response_data['channel']['id']; |
| 4661 |
update_option("mxchat_channel_{$session_id}", $channel_id); |
| 4662 |
|
| 4663 |
// Auto-invite agents to the channel |
| 4664 |
$agent_user_ids = $this->options['live_agent_user_ids'] ?? ''; |
| 4665 |
|
| 4666 |
if (!empty($agent_user_ids)) { |
| 4667 |
// Parse user IDs (one per line) |
| 4668 |
$user_ids = array_filter(array_map('trim', explode("\n", $agent_user_ids))); |
| 4669 |
|
| 4670 |
foreach ($user_ids as $user_id_to_invite) { |
| 4671 |
wp_remote_post('https://slack.com/api/conversations.invite', [ |
| 4672 |
'headers' => [ |
| 4673 |
'Content-Type' => 'application/json', |
| 4674 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 4675 |
], |
| 4676 |
'body' => json_encode([ |
| 4677 |
'channel' => $channel_id, |
| 4678 |
'users' => $user_id_to_invite |
| 4679 |
]) |
| 4680 |
]); |
| 4681 |
} |
| 4682 |
} |
| 4683 |
} |
| 4684 |
} |
| 4685 |
|
| 4686 |
return $channel_id; |
| 4687 |
} |
| 4688 |
|
| 4689 |
/** |
| 4690 |
* Post a handoff (or a re-handover) into the configured shared channel. |
| 4691 |
* First post per session becomes the conversation's thread root; its ts is |
| 4692 |
* stored in mxchat_thread_{session} and every later message rides that |
| 4693 |
* thread. Records the Slack error for the settings page on failure so the |
| 4694 |
* caller can fall back to per-conversation creation. |
| 4695 |
* |
| 4696 |
* @param string $session_id |
| 4697 |
* @param string $text Fully-built handoff message. |
| 4698 |
* @param string $thread_ts Existing thread root for this session, '' if none. |
| 4699 |
* @return bool True when the message reached the shared channel. |
| 4700 |
*/ |
| 4701 |
private function mxchat_post_shared_handoff($session_id, $text, $thread_ts = '') { |
| 4702 |
$slack_bot_token = $this->options['live_agent_bot_token'] ?? ''; |
| 4703 |
$configured = trim($this->options['live_agent_shared_channel'] ?? ''); |
| 4704 |
if (empty($slack_bot_token) || $configured === '') { |
| 4705 |
return false; |
| 4706 |
} |
| 4707 |
|
| 4708 |
// Posting by #name works once the bot is a member; the response carries |
| 4709 |
// the real channel ID, cached so the inbound webhook and user-relay |
| 4710 |
// don't depend on how the admin wrote the setting. |
| 4711 |
$cache = get_option('mxchat_slack_shared_channel_id', array()); |
| 4712 |
$target = (is_array($cache) && ($cache['configured'] ?? '') === $configured && !empty($cache['id'])) |
| 4713 |
? $cache['id'] |
| 4714 |
: ltrim($configured, '#'); |
| 4715 |
|
| 4716 |
$body = [ |
| 4717 |
'channel' => $target, |
| 4718 |
'text' => $text, |
| 4719 |
'mrkdwn' => true |
| 4720 |
]; |
| 4721 |
if ($thread_ts !== '') { |
| 4722 |
$body['thread_ts'] = $thread_ts; |
| 4723 |
} |
| 4724 |
|
| 4725 |
$response = wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 4726 |
'headers' => [ |
| 4727 |
'Content-Type' => 'application/json', |
| 4728 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 4729 |
], |
| 4730 |
'body' => json_encode($body) |
| 4731 |
]); |
| 4732 |
|
| 4733 |
if (is_wp_error($response)) { |
| 4734 |
update_option('mxchat_slack_shared_channel_error', array( |
| 4735 |
'error' => $response->get_error_message(), |
| 4736 |
'configured' => $configured, |
| 4737 |
'time' => time(), |
| 4738 |
), false); |
| 4739 |
return false; |
| 4740 |
} |
| 4741 |
|
| 4742 |
$data = json_decode(wp_remote_retrieve_body($response), true); |
| 4743 |
if (empty($data['ok'])) { |
| 4744 |
update_option('mxchat_slack_shared_channel_error', array( |
| 4745 |
'error' => $data['error'] ?? 'unknown_error', |
| 4746 |
'configured' => $configured, |
| 4747 |
'time' => time(), |
| 4748 |
), false); |
| 4749 |
return false; |
| 4750 |
} |
| 4751 |
|
| 4752 |
delete_option('mxchat_slack_shared_channel_error'); |
| 4753 |
|
| 4754 |
if (!empty($data['channel'])) { |
| 4755 |
update_option('mxchat_slack_shared_channel_id', array( |
| 4756 |
'configured' => $configured, |
| 4757 |
'id' => $data['channel'], |
| 4758 |
), false); |
| 4759 |
} |
| 4760 |
if ($thread_ts === '' && !empty($data['ts'])) { |
| 4761 |
update_option("mxchat_thread_{$session_id}", $data['ts'], 'no'); |
| 4762 |
} |
| 4763 |
|
| 4764 |
return true; |
| 4765 |
} |
| 4766 |
|
| 4767 |
private function generate_channel_name($session_id) { |
| 4768 |
$email = null; |
| 4769 |
$name = null; |
| 4770 |
|
| 4771 |
// 1. First priority: Check if user is logged in and get their info |
| 4772 |
if (is_user_logged_in()) { |
| 4773 |
$current_user = wp_get_current_user(); |
| 4774 |
if (!empty($current_user->user_email)) { |
| 4775 |
$email = $current_user->user_email; |
| 4776 |
//error_log("[DEBUG] Using logged-in user email for channel: {$email}"); |
| 4777 |
} |
| 4778 |
if (!empty($current_user->display_name)) { |
| 4779 |
$name = $current_user->display_name; |
| 4780 |
//error_log("[DEBUG] Using logged-in user name for channel: {$name}"); |
| 4781 |
} |
| 4782 |
} |
| 4783 |
|
| 4784 |
// 2. Second priority: Check for saved email/name from "require email to chat" option |
| 4785 |
if (empty($email)) { |
| 4786 |
$email_option_key = "mxchat_email_{$session_id}"; |
| 4787 |
$saved_email = get_option($email_option_key); |
| 4788 |
if (!empty($saved_email)) { |
| 4789 |
$email = $saved_email; |
| 4790 |
//error_log("[DEBUG] Using saved email from session for channel: {$email}"); |
| 4791 |
} |
| 4792 |
} |
| 4793 |
|
| 4794 |
if (empty($name)) { |
| 4795 |
$name_option_key = "mxchat_name_{$session_id}"; |
| 4796 |
$saved_name = get_option($name_option_key); |
| 4797 |
if (!empty($saved_name)) { |
| 4798 |
$name = $saved_name; |
| 4799 |
//error_log("[DEBUG] Using saved name from session for channel: {$name}"); |
| 4800 |
} |
| 4801 |
} |
| 4802 |
|
| 4803 |
// 3. Third priority: Check existing chat transcript for email/name |
| 4804 |
if (empty($email) || empty($name)) { |
| 4805 |
global $wpdb; |
| 4806 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 4807 |
$existing_data = $wpdb->get_row($wpdb->prepare( |
| 4808 |
"SELECT user_email, user_name FROM $table_name WHERE session_id = %s AND (user_email IS NOT NULL OR user_name IS NOT NULL) LIMIT 1", |
| 4809 |
$session_id |
| 4810 |
)); |
| 4811 |
|
| 4812 |
if ($existing_data) { |
| 4813 |
if (empty($email) && !empty($existing_data->user_email)) { |
| 4814 |
$email = $existing_data->user_email; |
| 4815 |
//error_log("[DEBUG] Using email from chat transcript for channel: {$email}"); |
| 4816 |
} |
| 4817 |
if (empty($name) && !empty($existing_data->user_name)) { |
| 4818 |
$name = $existing_data->user_name; |
| 4819 |
//error_log("[DEBUG] Using name from chat transcript for channel: {$name}"); |
| 4820 |
} |
| 4821 |
} |
| 4822 |
} |
| 4823 |
|
| 4824 |
// 4. Generate channel name based on priority: Name > Email > Session ID |
| 4825 |
$channel_name = ''; |
| 4826 |
|
| 4827 |
if (!empty($name)) { |
| 4828 |
// Convert name to valid Slack channel name |
| 4829 |
$base_name = strtolower(trim($name)); |
| 4830 |
// Replace spaces and invalid characters |
| 4831 |
$base_name = preg_replace('/[^a-z0-9\s]/', '', $base_name); |
| 4832 |
$base_name = preg_replace('/\s+/', '-', $base_name); |
| 4833 |
$base_name = trim($base_name, '-'); |
| 4834 |
|
| 4835 |
// Get last 4 characters of session ID for uniqueness |
| 4836 |
$session_suffix = substr($session_id, -4); |
| 4837 |
$channel_name = 'chat-' . $base_name . '-' . strtolower($session_suffix); |
| 4838 |
|
| 4839 |
// Slack channel names have a 21 character limit |
| 4840 |
if (strlen($channel_name) > 21) { |
| 4841 |
// Calculate available space for name (21 - 'chat-' - '-' - session_suffix) |
| 4842 |
$available_space = 21 - 5 - 1 - strlen($session_suffix); // 'chat-' = 5, '-' = 1 |
| 4843 |
$truncated_name = substr($base_name, 0, $available_space); |
| 4844 |
$truncated_name = rtrim($truncated_name, '-'); // Remove trailing hyphen |
| 4845 |
$channel_name = 'chat-' . $truncated_name . '-' . strtolower($session_suffix); |
| 4846 |
} |
| 4847 |
|
| 4848 |
//error_log("[DEBUG] Using name for channel: {$channel_name} (from name: {$name})"); |
| 4849 |
|
| 4850 |
} elseif (!empty($email)) { |
| 4851 |
// Convert email to valid Slack channel name (your existing logic) |
| 4852 |
$channel_name = 'chat-' . strtolower(str_replace(['@', '.', '+', '_'], ['-at-', '-', '-plus-', '-'], $email)); |
| 4853 |
// Remove any remaining invalid characters |
| 4854 |
$channel_name = preg_replace('/[^a-z0-9\-]/', '', $channel_name); |
| 4855 |
// Ensure it doesn't end with a hyphen |
| 4856 |
$channel_name = rtrim($channel_name, '-'); |
| 4857 |
// Slack channel names have a 21 character limit, so truncate if needed |
| 4858 |
if (strlen($channel_name) > 21) { |
| 4859 |
$channel_name = substr($channel_name, 0, 21); |
| 4860 |
$channel_name = rtrim($channel_name, '-'); // Remove trailing hyphen if truncation created one |
| 4861 |
} |
| 4862 |
|
| 4863 |
//error_log("[DEBUG] Using email for channel: {$channel_name} (from email: {$email})"); |
| 4864 |
|
| 4865 |
} else { |
| 4866 |
// Fallback to session ID if no name or email found |
| 4867 |
$channel_name = 'chat-' . strtolower(preg_replace('/[^a-zA-Z0-9]/', '', $session_id)); |
| 4868 |
//error_log("[DEBUG] No name or email found, using session ID for channel: {$channel_name}"); |
| 4869 |
} |
| 4870 |
|
| 4871 |
// Final validation - ensure channel name meets Slack requirements |
| 4872 |
if (strlen($channel_name) > 21) { |
| 4873 |
$channel_name = substr($channel_name, 0, 21); |
| 4874 |
$channel_name = rtrim($channel_name, '-'); |
| 4875 |
} |
| 4876 |
|
| 4877 |
//error_log("[DEBUG] Generated channel name: {$channel_name}"); |
| 4878 |
return $channel_name; |
| 4879 |
} |
| 4880 |
|
| 4881 |
/** |
| 4882 |
* Telegram Live Agent Handover |
| 4883 |
* Creates a forum topic in the Telegram group and notifies agents |
| 4884 |
*/ |
| 4885 |
public function mxchat_telegram_live_agent_handover($message, $user_id, $session_id) { |
| 4886 |
// Check if Telegram agents are available. Telegram has its OWN availability |
| 4887 |
// schedule, independent of Slack's (plan 99d7a4 — each Integrations tab |
| 4888 |
// owns its scheduler). Backstop only; the tool is normally withheld |
| 4889 |
// off-hours. |
| 4890 |
$telegram_available = $this->options['telegram_status'] ?? 'off'; |
| 4891 |
$within_hours = !class_exists('MxChat_Live_Agent_Schedule') |
| 4892 |
|| MxChat_Live_Agent_Schedule::is_within_hours('telegram'); |
| 4893 |
if ($telegram_available !== 'on' || !$within_hours) { |
| 4894 |
$away_message = $this->options['telegram_away_message'] ?? 'Sorry, live agents are currently unavailable. I can continue helping you as an AI assistant.'; |
| 4895 |
$this->fallbackResponse = [ |
| 4896 |
'text' => $away_message, |
| 4897 |
'html' => '', |
| 4898 |
'images' => [], |
| 4899 |
'chat_mode' => 'ai' |
| 4900 |
]; |
| 4901 |
wp_send_json([ |
| 4902 |
'text' => $away_message, |
| 4903 |
'html' => '', |
| 4904 |
'chat_mode' => 'ai', |
| 4905 |
'session_id' => $session_id |
| 4906 |
]); |
| 4907 |
wp_die(); |
| 4908 |
} |
| 4909 |
|
| 4910 |
$telegram_bot_token = $this->options['telegram_bot_token'] ?? ''; |
| 4911 |
$telegram_group_id = $this->options['telegram_group_id'] ?? ''; |
| 4912 |
|
| 4913 |
if (empty($telegram_bot_token) || empty($telegram_group_id)) { |
| 4914 |
return false; |
| 4915 |
} |
| 4916 |
|
| 4917 |
// Check if topic already exists for this session |
| 4918 |
$topic_id = get_option("mxchat_telegram_topic_{$session_id}", ''); |
| 4919 |
|
| 4920 |
if (empty($topic_id)) { |
| 4921 |
// Generate topic name |
| 4922 |
$topic_name = $this->generate_telegram_topic_name($session_id); |
| 4923 |
|
| 4924 |
// Random icon color (Telegram forum topic colors) |
| 4925 |
$icon_colors = [0x6FB9F0, 0xFFD67E, 0xCB86DB, 0x8EEE98, 0xFF93B2, 0xFB6F5F]; |
| 4926 |
$icon_color = $icon_colors[array_rand($icon_colors)]; |
| 4927 |
|
| 4928 |
// Create forum topic |
| 4929 |
$response = wp_remote_post("https://api.telegram.org/bot{$telegram_bot_token}/createForumTopic", [ |
| 4930 |
'headers' => ['Content-Type' => 'application/json'], |
| 4931 |
'body' => json_encode([ |
| 4932 |
'chat_id' => $telegram_group_id, |
| 4933 |
'name' => $topic_name, |
| 4934 |
'icon_color' => $icon_color |
| 4935 |
]) |
| 4936 |
]); |
| 4937 |
|
| 4938 |
if (!is_wp_error($response)) { |
| 4939 |
$response_body = wp_remote_retrieve_body($response); |
| 4940 |
$response_data = json_decode($response_body, true); |
| 4941 |
|
| 4942 |
if (isset($response_data['ok']) && $response_data['ok']) { |
| 4943 |
$topic_id = $response_data['result']['message_thread_id']; |
| 4944 |
update_option("mxchat_telegram_topic_{$session_id}", $topic_id); |
| 4945 |
update_option("mxchat_telegram_group_{$session_id}", $telegram_group_id); |
| 4946 |
} |
| 4947 |
} |
| 4948 |
|
| 4949 |
if (empty($topic_id)) { |
| 4950 |
return false; // Failed to create topic |
| 4951 |
} |
| 4952 |
} |
| 4953 |
|
| 4954 |
// Get recent chat history |
| 4955 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 4956 |
$recent_history = array_slice($history, -5); |
| 4957 |
|
| 4958 |
// Format conversation context for Telegram (HTML format) |
| 4959 |
$conversation_context = ""; |
| 4960 |
if (!empty($recent_history)) { |
| 4961 |
$conversation_context = "<b>Recent Conversation:</b>\n"; |
| 4962 |
foreach ($recent_history as $hist_message) { |
| 4963 |
$role_display = $hist_message['role'] === 'user' ? '👤 User' : '🤖 AI'; |
| 4964 |
$escaped_content = htmlspecialchars($hist_message['content'], ENT_QUOTES, 'UTF-8'); |
| 4965 |
$conversation_context .= "{$role_display}: {$escaped_content}\n"; |
| 4966 |
} |
| 4967 |
$conversation_context .= "\n"; |
| 4968 |
} |
| 4969 |
|
| 4970 |
// Get user info |
| 4971 |
$user_email = get_option("mxchat_email_{$session_id}", 'Not provided'); |
| 4972 |
$user_name = get_option("mxchat_name_{$session_id}", 'Anonymous'); |
| 4973 |
|
| 4974 |
// Update session mode |
| 4975 |
update_option("mxchat_mode_{$session_id}", 'agent'); |
| 4976 |
|
| 4977 |
// Send initial message to topic |
| 4978 |
$escaped_message = htmlspecialchars($message, ENT_QUOTES, 'UTF-8'); |
| 4979 |
$topic_message = "🔔 <b>New Live Agent Request</b>\n\n"; |
| 4980 |
$topic_message .= "<b>Session ID:</b> <code>{$session_id}</code>\n"; |
| 4981 |
$topic_message .= "<b>User:</b> {$user_name}\n"; |
| 4982 |
$topic_message .= "<b>Email:</b> {$user_email}\n\n"; |
| 4983 |
|
| 4984 |
if (!empty($conversation_context)) { |
| 4985 |
$topic_message .= $conversation_context; |
| 4986 |
} |
| 4987 |
|
| 4988 |
$topic_message .= "<b>Current Message:</b>\n{$escaped_message}\n\n"; |
| 4989 |
$topic_message .= "<i>Reply in this topic - messages will be sent to the user</i>\n"; |
| 4990 |
$topic_message .= "<i>Type #close, #end, #disconnect, or #done to end the session</i>"; |
| 4991 |
|
| 4992 |
wp_remote_post("https://api.telegram.org/bot{$telegram_bot_token}/sendMessage", [ |
| 4993 |
'headers' => ['Content-Type' => 'application/json'], |
| 4994 |
'body' => json_encode([ |
| 4995 |
'chat_id' => $telegram_group_id, |
| 4996 |
'message_thread_id' => $topic_id, |
| 4997 |
'text' => $topic_message, |
| 4998 |
'parse_mode' => 'HTML' |
| 4999 |
]) |
| 5000 |
]); |
| 5001 |
|
| 5002 |
$success_message = $this->options['telegram_notification_message'] ?? "I've notified a support agent. Please allow a moment for them to respond."; |
| 5003 |
$this->mxchat_save_chat_message($session_id, 'bot', $success_message); |
| 5004 |
|
| 5005 |
$this->fallbackResponse = [ |
| 5006 |
'text' => $success_message, |
| 5007 |
'html' => '', |
| 5008 |
'images' => [], |
| 5009 |
'chat_mode' => 'agent' |
| 5010 |
]; |
| 5011 |
|
| 5012 |
wp_send_json([ |
| 5013 |
'success' => true, |
| 5014 |
'text' => $success_message, |
| 5015 |
'html' => '', |
| 5016 |
'chat_mode' => 'agent', |
| 5017 |
'session_id' => $session_id, |
| 5018 |
'fallbackResponse' => $this->fallbackResponse |
| 5019 |
]); |
| 5020 |
wp_die(); |
| 5021 |
} |
| 5022 |
|
| 5023 |
/** |
| 5024 |
* Generate topic name for Telegram forum |
| 5025 |
*/ |
| 5026 |
private function generate_telegram_topic_name($session_id) { |
| 5027 |
$name = null; |
| 5028 |
$email = null; |
| 5029 |
|
| 5030 |
// Check logged in user |
| 5031 |
if (is_user_logged_in()) { |
| 5032 |
$current_user = wp_get_current_user(); |
| 5033 |
if (!empty($current_user->display_name)) { |
| 5034 |
$name = $current_user->display_name; |
| 5035 |
} |
| 5036 |
if (!empty($current_user->user_email)) { |
| 5037 |
$email = $current_user->user_email; |
| 5038 |
} |
| 5039 |
} |
| 5040 |
|
| 5041 |
// Check session data |
| 5042 |
if (empty($name)) { |
| 5043 |
$name = get_option("mxchat_name_{$session_id}"); |
| 5044 |
} |
| 5045 |
if (empty($email)) { |
| 5046 |
$email = get_option("mxchat_email_{$session_id}"); |
| 5047 |
} |
| 5048 |
|
| 5049 |
// Generate topic name |
| 5050 |
$session_suffix = substr($session_id, -6); |
| 5051 |
|
| 5052 |
if (!empty($name)) { |
| 5053 |
// Clean name for topic (max 128 chars in Telegram) |
| 5054 |
$clean_name = preg_replace('/[^\p{L}\p{N}\s\-]/u', '', $name); |
| 5055 |
$clean_name = trim($clean_name); |
| 5056 |
if (strlen($clean_name) > 50) { |
| 5057 |
$clean_name = substr($clean_name, 0, 50); |
| 5058 |
} |
| 5059 |
return "Chat - {$clean_name} ({$session_suffix})"; |
| 5060 |
} elseif (!empty($email)) { |
| 5061 |
// Use email prefix |
| 5062 |
$email_prefix = explode('@', $email)[0]; |
| 5063 |
if (strlen($email_prefix) > 30) { |
| 5064 |
$email_prefix = substr($email_prefix, 0, 30); |
| 5065 |
} |
| 5066 |
return "Chat - {$email_prefix} ({$session_suffix})"; |
| 5067 |
} |
| 5068 |
|
| 5069 |
return "Chat - {$session_suffix}"; |
| 5070 |
} |
| 5071 |
|
| 5072 |
/** |
| 5073 |
* Send user message to Telegram agent |
| 5074 |
*/ |
| 5075 |
public function mxchat_send_user_message_to_telegram_agent($message, $user_id, $session_id) { |
| 5076 |
$telegram_bot_token = $this->options['telegram_bot_token'] ?? ''; |
| 5077 |
$topic_id = get_option("mxchat_telegram_topic_{$session_id}", ''); |
| 5078 |
$group_id = get_option("mxchat_telegram_group_{$session_id}", ''); |
| 5079 |
|
| 5080 |
if (empty($telegram_bot_token) || empty($topic_id) || empty($group_id)) { |
| 5081 |
return false; |
| 5082 |
} |
| 5083 |
|
| 5084 |
$escaped_message = htmlspecialchars($message, ENT_QUOTES, 'UTF-8'); |
| 5085 |
$user_message = "👤 <b>User:</b> {$escaped_message}"; |
| 5086 |
|
| 5087 |
$response = wp_remote_post("https://api.telegram.org/bot{$telegram_bot_token}/sendMessage", [ |
| 5088 |
'headers' => ['Content-Type' => 'application/json'], |
| 5089 |
'body' => json_encode([ |
| 5090 |
'chat_id' => $group_id, |
| 5091 |
'message_thread_id' => $topic_id, |
| 5092 |
'text' => $user_message, |
| 5093 |
'parse_mode' => 'HTML' |
| 5094 |
]) |
| 5095 |
]); |
| 5096 |
|
| 5097 |
return !is_wp_error($response); |
| 5098 |
} |
| 5099 |
|
| 5100 |
/** |
| 5101 |
* Handle incoming Telegram webhook |
| 5102 |
*/ |
| 5103 |
public function handle_telegram_webhook(WP_REST_Request $request) { |
| 5104 |
$body = $request->get_body(); |
| 5105 |
$data = json_decode($body, true); |
| 5106 |
|
| 5107 |
//error_log('[MxChat Telegram DEBUG] Webhook received: ' . $body); |
| 5108 |
|
| 5109 |
// Handle message events from forum topics |
| 5110 |
if (isset($data['message'])) { |
| 5111 |
$message_data = $data['message']; |
| 5112 |
|
| 5113 |
// Skip if not from a forum topic |
| 5114 |
if (!isset($message_data['message_thread_id'])) { |
| 5115 |
//error_log('[MxChat Telegram DEBUG] Skipped: No message_thread_id (not a forum topic message)'); |
| 5116 |
return new WP_REST_Response(['ok' => true]); |
| 5117 |
} |
| 5118 |
|
| 5119 |
// Skip bot messages |
| 5120 |
if (isset($message_data['from']['is_bot']) && $message_data['from']['is_bot']) { |
| 5121 |
//error_log('[MxChat Telegram DEBUG] Skipped: Message from bot'); |
| 5122 |
return new WP_REST_Response(['ok' => true]); |
| 5123 |
} |
| 5124 |
|
| 5125 |
$chat_id = $message_data['chat']['id'] ?? ''; |
| 5126 |
$topic_id = $message_data['message_thread_id']; |
| 5127 |
$message_text = $message_data['text'] ?? ''; |
| 5128 |
$message_id = $message_data['message_id'] ?? ''; |
| 5129 |
$from = $message_data['from'] ?? []; |
| 5130 |
$agent_name = trim(($from['first_name'] ?? '') . ' ' . ($from['last_name'] ?? '')); |
| 5131 |
if (empty($agent_name)) { |
| 5132 |
$agent_name = $from['username'] ?? 'Agent'; |
| 5133 |
} |
| 5134 |
|
| 5135 |
//error_log("[MxChat Telegram DEBUG] Parsed: chat_id={$chat_id}, topic_id={$topic_id}, agent={$agent_name}, text={$message_text}"); |
| 5136 |
|
| 5137 |
// Skip empty messages |
| 5138 |
if (empty($message_text)) { |
| 5139 |
//error_log('[MxChat Telegram DEBUG] Skipped: Empty message text'); |
| 5140 |
return new WP_REST_Response(['ok' => true]); |
| 5141 |
} |
| 5142 |
|
| 5143 |
// Find session ID by topic ID - cast to string for comparison |
| 5144 |
global $wpdb; |
| 5145 |
$topic_id_str = strval($topic_id); |
| 5146 |
$session_option = $wpdb->get_var( |
| 5147 |
$wpdb->prepare( |
| 5148 |
"SELECT option_name FROM {$wpdb->options} |
| 5149 |
WHERE option_name LIKE %s |
| 5150 |
AND option_value = %s", |
| 5151 |
'mxchat_telegram_topic_%', |
| 5152 |
$topic_id_str |
| 5153 |
) |
| 5154 |
); |
| 5155 |
|
| 5156 |
//error_log("[MxChat Telegram DEBUG] Looking for topic_id={$topic_id_str} in options, found: " . ($session_option ?: 'NULL')); |
| 5157 |
|
| 5158 |
if ($session_option) { |
| 5159 |
$session_id = str_replace('mxchat_telegram_topic_', '', $session_option); |
| 5160 |
//error_log("[MxChat Telegram DEBUG] Session ID: {$session_id}"); |
| 5161 |
|
| 5162 |
// Verify the group ID matches |
| 5163 |
$stored_group_id = get_option("mxchat_telegram_group_{$session_id}", ''); |
| 5164 |
//error_log("[MxChat Telegram DEBUG] Stored group_id={$stored_group_id}, received chat_id={$chat_id}"); |
| 5165 |
|
| 5166 |
if (strval($stored_group_id) != strval($chat_id)) { |
| 5167 |
//error_log('[MxChat Telegram DEBUG] Skipped: Group ID mismatch'); |
| 5168 |
return new WP_REST_Response(['ok' => true]); |
| 5169 |
} |
| 5170 |
|
| 5171 |
// Check for closure commands |
| 5172 |
$lower_text = strtolower(trim($message_text)); |
| 5173 |
if (in_array($lower_text, ['#close', '#end', '#disconnect', '#done'])) { |
| 5174 |
//error_log("[MxChat Telegram DEBUG] Closure command received: {$lower_text}"); |
| 5175 |
// End the live agent session |
| 5176 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 5177 |
|
| 5178 |
// Save disconnect message |
| 5179 |
$disconnect_message = "Live agent session ended. You're now chatting with the AI assistant."; |
| 5180 |
$this->mxchat_save_chat_message($session_id, 'bot', $disconnect_message); |
| 5181 |
|
| 5182 |
// Notify in Telegram |
| 5183 |
$telegram_bot_token = $this->options['telegram_bot_token'] ?? ''; |
| 5184 |
if (!empty($telegram_bot_token)) { |
| 5185 |
wp_remote_post("https://api.telegram.org/bot{$telegram_bot_token}/sendMessage", [ |
| 5186 |
'headers' => ['Content-Type' => 'application/json'], |
| 5187 |
'body' => json_encode([ |
| 5188 |
'chat_id' => $chat_id, |
| 5189 |
'message_thread_id' => $topic_id, |
| 5190 |
'text' => "✅ Session closed. User returned to AI chatbot.", |
| 5191 |
'parse_mode' => 'HTML' |
| 5192 |
]) |
| 5193 |
]); |
| 5194 |
|
| 5195 |
// Optionally close the topic |
| 5196 |
wp_remote_post("https://api.telegram.org/bot{$telegram_bot_token}/closeForumTopic", [ |
| 5197 |
'headers' => ['Content-Type' => 'application/json'], |
| 5198 |
'body' => json_encode([ |
| 5199 |
'chat_id' => $chat_id, |
| 5200 |
'message_thread_id' => $topic_id |
| 5201 |
]) |
| 5202 |
]); |
| 5203 |
} |
| 5204 |
|
| 5205 |
return new WP_REST_Response(['ok' => true]); |
| 5206 |
} |
| 5207 |
|
| 5208 |
// Deduplicate messages |
| 5209 |
$message_key = md5($session_id . $message_id . $message_text); |
| 5210 |
$processed_messages = get_transient('mxchat_telegram_messages_' . $session_id) ?: []; |
| 5211 |
|
| 5212 |
if (in_array($message_key, $processed_messages)) { |
| 5213 |
//error_log('[MxChat Telegram DEBUG] Skipped: Duplicate message'); |
| 5214 |
return new WP_REST_Response(['ok' => true]); |
| 5215 |
} |
| 5216 |
|
| 5217 |
$processed_messages[] = $message_key; |
| 5218 |
if (count($processed_messages) > 50) { |
| 5219 |
$processed_messages = array_slice($processed_messages, -50); |
| 5220 |
} |
| 5221 |
set_transient('mxchat_telegram_messages_' . $session_id, $processed_messages, HOUR_IN_SECONDS); |
| 5222 |
|
| 5223 |
// Save the agent message - format with agent name prefix for proper parsing |
| 5224 |
$formatted_message = "Agent: {$agent_name} - {$message_text}"; |
| 5225 |
//error_log("[MxChat Telegram DEBUG] Saving agent message: {$formatted_message}"); |
| 5226 |
|
| 5227 |
$this->mxchat_save_chat_message($session_id, 'agent', $formatted_message); |
| 5228 |
|
| 5229 |
// Verify the message was saved to history |
| 5230 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 5231 |
$last_message = end($history); |
| 5232 |
//error_log("[MxChat Telegram DEBUG] History after save - count: " . count($history) . ", last message role: " . ($last_message['role'] ?? 'none')); |
| 5233 |
|
| 5234 |
// Send confirmation back to Telegram |
| 5235 |
$telegram_bot_token = $this->options['telegram_bot_token'] ?? ''; |
| 5236 |
if (!empty($telegram_bot_token)) { |
| 5237 |
$confirm_key = 'mxchat_telegram_confirm_' . $message_key; |
| 5238 |
if (!get_transient($confirm_key)) { |
| 5239 |
wp_remote_post("https://api.telegram.org/bot{$telegram_bot_token}/sendMessage", [ |
| 5240 |
'headers' => ['Content-Type' => 'application/json'], |
| 5241 |
'body' => json_encode([ |
| 5242 |
'chat_id' => $chat_id, |
| 5243 |
'message_thread_id' => $topic_id, |
| 5244 |
'text' => "✅ <i>Message sent to user</i>", |
| 5245 |
'parse_mode' => 'HTML', |
| 5246 |
'reply_to_message_id' => $message_id |
| 5247 |
]) |
| 5248 |
]); |
| 5249 |
set_transient($confirm_key, true, 300); |
| 5250 |
} |
| 5251 |
} |
| 5252 |
} else { |
| 5253 |
//error_log("[MxChat Telegram DEBUG] No session found for topic_id={$topic_id}"); |
| 5254 |
} |
| 5255 |
} else { |
| 5256 |
//error_log('[MxChat Telegram DEBUG] No message in webhook data'); |
| 5257 |
} |
| 5258 |
|
| 5259 |
return new WP_REST_Response(['ok' => true]); |
| 5260 |
} |
| 5261 |
|
| 5262 |
public function mxchat_send_user_message_to_agent($message, $user_id, $session_id) { |
| 5263 |
// Check if this is a Telegram agent session |
| 5264 |
$telegram_topic_id = get_option("mxchat_telegram_topic_{$session_id}", ''); |
| 5265 |
if (!empty($telegram_topic_id)) { |
| 5266 |
return $this->mxchat_send_user_message_to_telegram_agent($message, $user_id, $session_id); |
| 5267 |
} |
| 5268 |
|
| 5269 |
// Otherwise, try Slack |
| 5270 |
$slack_bot_token = $this->options['live_agent_bot_token'] ?? ''; |
| 5271 |
|
| 5272 |
// Shared-channel session: the conversation lives in a thread of the |
| 5273 |
// shared channel (plan 9f7756); relay user messages into that thread. |
| 5274 |
$thread_ts = get_option("mxchat_thread_{$session_id}", ''); |
| 5275 |
if (!empty($thread_ts)) { |
| 5276 |
$cache = get_option('mxchat_slack_shared_channel_id', array()); |
| 5277 |
$channel_id = is_array($cache) ? ($cache['id'] ?? '') : ''; |
| 5278 |
} else { |
| 5279 |
$channel_id = get_option("mxchat_channel_{$session_id}", ''); |
| 5280 |
} |
| 5281 |
|
| 5282 |
if (empty($slack_bot_token) || empty($channel_id)) { |
| 5283 |
return false; |
| 5284 |
} |
| 5285 |
|
| 5286 |
$user_message = "💬 *User:* {$message}"; |
| 5287 |
|
| 5288 |
$body = [ |
| 5289 |
'channel' => $channel_id, |
| 5290 |
'text' => $user_message, |
| 5291 |
'mrkdwn' => true |
| 5292 |
]; |
| 5293 |
if (!empty($thread_ts)) { |
| 5294 |
$body['thread_ts'] = $thread_ts; |
| 5295 |
} |
| 5296 |
|
| 5297 |
$response = wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 5298 |
'headers' => [ |
| 5299 |
'Content-Type' => 'application/json', |
| 5300 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 5301 |
], |
| 5302 |
'body' => json_encode($body) |
| 5303 |
]); |
| 5304 |
|
| 5305 |
return !is_wp_error($response); |
| 5306 |
} |
| 5307 |
public function handle_slack_interaction(WP_REST_Request $request) { |
| 5308 |
//error_log('Received Slack interaction'); |
| 5309 |
|
| 5310 |
$payload = json_decode($request->get_param('payload'), true); |
| 5311 |
//error_log('Payload: ' . print_r($payload, true)); |
| 5312 |
|
| 5313 |
// Handle button click |
| 5314 |
if ($payload['type'] === 'block_actions' && $payload['actions'][0]['action_id'] === 'reply_to_user') { |
| 5315 |
$session_id = $payload['actions'][0]['value']; |
| 5316 |
$trigger_id = $payload['trigger_id']; |
| 5317 |
|
| 5318 |
// Get Bot Token from settings |
| 5319 |
$slack_token = $this->options['live_agent_bot_token'] ?? ''; |
| 5320 |
|
| 5321 |
if (empty($slack_token)) { |
| 5322 |
//error_log('Slack Bot Token not configured'); |
| 5323 |
return new WP_REST_Response(['error' => esc_html__('Bot token not configured', 'mxchat')], 400); |
| 5324 |
} |
| 5325 |
$response = wp_remote_post('https://slack.com/api/views.open', [ |
| 5326 |
'headers' => [ |
| 5327 |
'Content-Type' => 'application/json', |
| 5328 |
'Authorization' => 'Bearer ' . $slack_token |
| 5329 |
], |
| 5330 |
'body' => json_encode([ |
| 5331 |
'trigger_id' => $trigger_id, |
| 5332 |
'view' => [ |
| 5333 |
'type' => 'modal', |
| 5334 |
'callback_id' => 'reply_modal', |
| 5335 |
'title' => [ |
| 5336 |
'type' => 'plain_text', |
| 5337 |
'text' => __('Reply to User', 'mxchat') |
| 5338 |
], |
| 5339 |
'submit' => [ |
| 5340 |
'type' => 'plain_text', |
| 5341 |
'text' => __('Send', 'mxchat') |
| 5342 |
], |
| 5343 |
'close' => [ |
| 5344 |
'type' => 'plain_text', |
| 5345 |
'text' => __('Cancel', 'mxchat') |
| 5346 |
], |
| 5347 |
'blocks' => [ |
| 5348 |
[ |
| 5349 |
'type' => 'input', |
| 5350 |
'block_id' => 'reply_block', |
| 5351 |
'label' => [ |
| 5352 |
'type' => 'plain_text', |
| 5353 |
'text' => sprintf(__('Reply to session: %s', 'mxchat'), $session_id) |
| 5354 |
], |
| 5355 |
'element' => [ |
| 5356 |
'type' => 'plain_text_input', |
| 5357 |
'action_id' => 'message', |
| 5358 |
'multiline' => true, |
| 5359 |
'placeholder' => [ |
| 5360 |
'type' => 'plain_text', |
| 5361 |
'text' => __('Type your message here...', 'mxchat') |
| 5362 |
] |
| 5363 |
] |
| 5364 |
] |
| 5365 |
], |
| 5366 |
'private_metadata' => $session_id |
| 5367 |
] |
| 5368 |
]) |
| 5369 |
]); |
| 5370 |
|
| 5371 |
//error_log('Views.open response: ' . print_r($response, true)); |
| 5372 |
|
| 5373 |
// Return immediate acknowledgment |
| 5374 |
return new WP_REST_Response(['ok' => true]); |
| 5375 |
} |
| 5376 |
|
| 5377 |
// Handle modal submission |
| 5378 |
// Handle modal submission |
| 5379 |
if ($payload['type'] === 'view_submission') { |
| 5380 |
$session_id = $payload['view']['private_metadata']; |
| 5381 |
$message = $payload['view']['state']['values']['reply_block']['message']['value']; |
| 5382 |
|
| 5383 |
// Save the message (keep the message_id but don't include in response) |
| 5384 |
$this->mxchat_save_chat_message($session_id, 'agent', $message); |
| 5385 |
|
| 5386 |
// Keep the original response format for Slack |
| 5387 |
return new WP_REST_Response([ |
| 5388 |
'response_action' => 'clear' |
| 5389 |
]); |
| 5390 |
} |
| 5391 |
|
| 5392 |
// Default acknowledgment |
| 5393 |
return new WP_REST_Response(['ok' => true]); |
| 5394 |
} |
| 5395 |
public function mxchat_handle_agent_response(WP_REST_Request $request) { |
| 5396 |
//error_log('Received agent response request'); |
| 5397 |
//error_log('Request data: ' . print_r($request->get_params(), true)); |
| 5398 |
// //error_log('Raw body: ' . file_get_contents('php://input')); |
| 5399 |
|
| 5400 |
// Get the data from Slack's slash command format |
| 5401 |
$command_text = $request->get_param('text'); |
| 5402 |
// //error_log('Command text: ' . $command_text); |
| 5403 |
|
| 5404 |
if (empty($command_text)) { |
| 5405 |
//error_log(esc_html__('Agent response error: No command text received', 'mxchat')); |
| 5406 |
return new WP_REST_Response([ |
| 5407 |
'error' => esc_html__('Command text is required. Format: /reply session_id message', 'mxchat') |
| 5408 |
], 400); |
| 5409 |
} |
| 5410 |
|
| 5411 |
// Split the command text into session_id and message |
| 5412 |
$parts = explode(' ', $command_text, 2); |
| 5413 |
if (count($parts) !== 2) { |
| 5414 |
//error_log('Agent response error: Invalid command format'); |
| 5415 |
return new WP_REST_Response([ |
| 5416 |
'error' => esc_html__('Invalid format. Use: /reply session_id message', 'mxchat') |
| 5417 |
], 400); |
| 5418 |
} |
| 5419 |
|
| 5420 |
$session_id = sanitize_text_field($parts[0]); |
| 5421 |
$message = sanitize_text_field($parts[1]); |
| 5422 |
|
| 5423 |
//error_log("Processing agent response - Session ID: $session_id, Message: $message"); |
| 5424 |
|
| 5425 |
// Save the message |
| 5426 |
$message_id = $this->mxchat_save_chat_message($session_id, 'agent', $message); |
| 5427 |
|
| 5428 |
if (!$message_id) { |
| 5429 |
// //error_log('Failed to save agent message'); |
| 5430 |
return new WP_REST_Response([ |
| 5431 |
'error' => esc_html__('Failed to save message', 'mxchat') |
| 5432 |
], 500); |
| 5433 |
} |
| 5434 |
|
| 5435 |
// Return success response in Slack's expected format |
| 5436 |
return new WP_REST_Response([ |
| 5437 |
'response_type' => 'in_channel', |
| 5438 |
'text' => esc_html__("Message sent successfully to session $session_id", 'mxchat') |
| 5439 |
], 200); |
| 5440 |
} |
| 5441 |
public function mxchat_handle_switch_to_chatbot_intent($message, $user_id, $session_id) { |
| 5442 |
// Update mode to AI |
| 5443 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 5444 |
|
| 5445 |
// Clear any existing PDF context to start fresh |
| 5446 |
$this->clear_pdf_transients($session_id); |
| 5447 |
|
| 5448 |
// Set the response with explicit chat_mode |
| 5449 |
$this->fallbackResponse = [ |
| 5450 |
'text' => esc_html__('You are now chatting with the AI chatbot.', 'mxchat'), |
| 5451 |
'html' => '', |
| 5452 |
'images' => [], |
| 5453 |
'chat_mode' => 'ai' // Ensure this is set |
| 5454 |
]; |
| 5455 |
|
| 5456 |
// Return the complete response array instead of just true |
| 5457 |
return $this->fallbackResponse; |
| 5458 |
} |
| 5459 |
|
| 5460 |
/** |
| 5461 |
* Normalize Slack mrkdwn before relaying an agent's message to the web visitor. |
| 5462 |
* Slack's Events API auto-wraps URLs as <https://url> or <https://url|Label>, wraps |
| 5463 |
* mentions as <@U…>/<#C…|name>, and HTML-escapes &, <, >. Relayed raw, the visitor |
| 5464 |
* sees a broken/doubled link with a trailing > (plan-e2195b). Unwrap links FIRST, then |
| 5465 |
* unescape entities LAST so extracted URLs (which can contain &) are not corrupted. |
| 5466 |
*/ |
| 5467 |
private function normalize_slack_text($text) { |
| 5468 |
if (!is_string($text) || $text === '') { |
| 5469 |
return $text; |
| 5470 |
} |
| 5471 |
|
| 5472 |
$text = preg_replace_callback('/<([^>|]+)(?:\|([^>]*))?>/', function ($m) { |
| 5473 |
$target = $m[1]; |
| 5474 |
$label = isset($m[2]) ? $m[2] : ''; |
| 5475 |
|
| 5476 |
// User/channel mentions: <@U…> or <#C…|name> — prefer the human label, else drop the id. |
| 5477 |
if (isset($target[0]) && ($target[0] === '@' || $target[0] === '#')) { |
| 5478 |
return $label !== '' ? $label : ''; |
| 5479 |
} |
| 5480 |
// mailto:/tel: — strip the scheme for display. |
| 5481 |
if (stripos($target, 'mailto:') === 0) { |
| 5482 |
$addr = substr($target, 7); |
| 5483 |
return ($label !== '' && $label !== $addr) ? "{$label} ({$addr})" : $addr; |
| 5484 |
} |
| 5485 |
if (stripos($target, 'tel:') === 0) { |
| 5486 |
$num = substr($target, 4); |
| 5487 |
return ($label !== '' && $label !== $num) ? "{$label} ({$num})" : $num; |
| 5488 |
} |
| 5489 |
// Regular URL: <url|Label> -> "Label (url)"; bare <url> -> "url". |
| 5490 |
if ($label !== '' && $label !== $target) { |
| 5491 |
return "{$label} ({$target})"; |
| 5492 |
} |
| 5493 |
return $target; |
| 5494 |
}, $text); |
| 5495 |
|
| 5496 |
// Entity-unescape LAST (after link extraction) so & inside URLs is repaired too. |
| 5497 |
$text = str_replace(array('&', '<', '>'), array('&', '<', '>'), $text); |
| 5498 |
|
| 5499 |
return $text; |
| 5500 |
} |
| 5501 |
|
| 5502 |
/** |
| 5503 |
* Resolve the visitor's name + email for a session, mirroring generate_channel_name()'s |
| 5504 |
* priority order: logged-in user, then the pre-chat gate options (mxchat_email_/mxchat_name_), |
| 5505 |
* then the chat transcript. Returns ['name' => ..., 'email' => ...] (either may be ''). plan-e2195b. |
| 5506 |
*/ |
| 5507 |
private function mxchat_get_visitor_identity($session_id) { |
| 5508 |
$email = ''; |
| 5509 |
$name = ''; |
| 5510 |
|
| 5511 |
if (is_user_logged_in()) { |
| 5512 |
$current_user = wp_get_current_user(); |
| 5513 |
if (!empty($current_user->user_email)) { $email = $current_user->user_email; } |
| 5514 |
if (!empty($current_user->display_name)) { $name = $current_user->display_name; } |
| 5515 |
} |
| 5516 |
|
| 5517 |
if (empty($email)) { |
| 5518 |
$saved_email = get_option("mxchat_email_{$session_id}", ''); |
| 5519 |
if (!empty($saved_email)) { $email = $saved_email; } |
| 5520 |
} |
| 5521 |
if (empty($name)) { |
| 5522 |
$saved_name = get_option("mxchat_name_{$session_id}", ''); |
| 5523 |
if (!empty($saved_name)) { $name = $saved_name; } |
| 5524 |
} |
| 5525 |
|
| 5526 |
if (empty($email) || empty($name)) { |
| 5527 |
global $wpdb; |
| 5528 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 5529 |
$existing_data = $wpdb->get_row($wpdb->prepare( |
| 5530 |
"SELECT user_email, user_name FROM $table_name WHERE session_id = %s AND (user_email IS NOT NULL OR user_name IS NOT NULL) LIMIT 1", |
| 5531 |
$session_id |
| 5532 |
)); |
| 5533 |
if ($existing_data) { |
| 5534 |
if (empty($email) && !empty($existing_data->user_email)) { $email = $existing_data->user_email; } |
| 5535 |
if (empty($name) && !empty($existing_data->user_name)) { $name = $existing_data->user_name; } |
| 5536 |
} |
| 5537 |
} |
| 5538 |
|
| 5539 |
return array('name' => $name, 'email' => $email); |
| 5540 |
} |
| 5541 |
|
| 5542 |
public function handle_slack_messages(WP_REST_Request $request) { |
| 5543 |
// Log the incoming request for debugging |
| 5544 |
//error_log('Slack events request received: ' . $request->get_body()); |
| 5545 |
|
| 5546 |
$body = $request->get_body(); |
| 5547 |
$data = json_decode($body, true); |
| 5548 |
|
| 5549 |
// Handle Slack URL verification |
| 5550 |
if (isset($data['type']) && $data['type'] === 'url_verification') { |
| 5551 |
//error_log('Slack URL verification challenge: ' . $data['challenge']); |
| 5552 |
return new WP_REST_Response($data['challenge'], 200, ['Content-Type' => 'text/plain']); |
| 5553 |
} |
| 5554 |
|
| 5555 |
// IMPORTANT: Handle Slack's event deduplication |
| 5556 |
if (isset($data['event_id'])) { |
| 5557 |
$event_id = $data['event_id']; |
| 5558 |
$processed_events = get_transient('mxchat_slack_events') ?: []; |
| 5559 |
|
| 5560 |
// Check if we've already processed this event |
| 5561 |
if (in_array($event_id, $processed_events)) { |
| 5562 |
//error_log("Duplicate event detected: $event_id"); |
| 5563 |
return new WP_REST_Response(['ok' => true]); |
| 5564 |
} |
| 5565 |
|
| 5566 |
// Add this event to processed list |
| 5567 |
$processed_events[] = $event_id; |
| 5568 |
// Keep only last 100 events to prevent memory issues |
| 5569 |
if (count($processed_events) > 100) { |
| 5570 |
$processed_events = array_slice($processed_events, -100); |
| 5571 |
} |
| 5572 |
// Store for 1 hour |
| 5573 |
set_transient('mxchat_slack_events', $processed_events, HOUR_IN_SECONDS); |
| 5574 |
} |
| 5575 |
|
| 5576 |
// Handle message events |
| 5577 |
if (isset($data['event']) && $data['event']['type'] === 'message') { |
| 5578 |
$event = $data['event']; |
| 5579 |
|
| 5580 |
// Skip bot messages and messages with subtypes (like bot_message) |
| 5581 |
if (isset($event['bot_id']) || isset($event['subtype'])) { |
| 5582 |
return new WP_REST_Response(['ok' => true]); |
| 5583 |
} |
| 5584 |
|
| 5585 |
// Threaded replies: in shared-channel mode every conversation lives in |
| 5586 |
// a thread rooted at its handoff message — route those to their session |
| 5587 |
// by thread root (plan 9f7756). Any other threaded reply (e.g. under a |
| 5588 |
// per-conversation channel's confirmation message) finds no session and |
| 5589 |
// is skipped, exactly as before. |
| 5590 |
if (isset($event['thread_ts']) && $event['thread_ts'] !== $event['ts']) { |
| 5591 |
return $this->mxchat_route_shared_thread_reply($event); |
| 5592 |
} |
| 5593 |
|
| 5594 |
$channel_id = $event['channel']; |
| 5595 |
$message_text = $event['text'] ?? ''; |
| 5596 |
$message_ts = $event['ts'] ?? ''; |
| 5597 |
|
| 5598 |
// Find session ID by looking for matching channel |
| 5599 |
global $wpdb; |
| 5600 |
$session_option = $wpdb->get_var( |
| 5601 |
$wpdb->prepare( |
| 5602 |
"SELECT option_name FROM {$wpdb->options} |
| 5603 |
WHERE option_name LIKE 'mxchat_channel_%' |
| 5604 |
AND option_value = %s", |
| 5605 |
$channel_id |
| 5606 |
) |
| 5607 |
); |
| 5608 |
|
| 5609 |
if ($session_option) { |
| 5610 |
$session_id = str_replace('mxchat_channel_', '', $session_option); |
| 5611 |
|
| 5612 |
// Create a unique key for this specific message |
| 5613 |
$message_key = md5($session_id . $message_ts . $message_text); |
| 5614 |
$processed_messages = get_transient('mxchat_processed_messages_' . $session_id) ?: []; |
| 5615 |
|
| 5616 |
// Check if we've already processed this exact message |
| 5617 |
if (in_array($message_key, $processed_messages)) { |
| 5618 |
//error_log("Duplicate message detected for session $session_id"); |
| 5619 |
return new WP_REST_Response(['ok' => true]); |
| 5620 |
} |
| 5621 |
|
| 5622 |
// Add to processed messages |
| 5623 |
$processed_messages[] = $message_key; |
| 5624 |
// Keep only last 50 messages per session |
| 5625 |
if (count($processed_messages) > 50) { |
| 5626 |
$processed_messages = array_slice($processed_messages, -50); |
| 5627 |
} |
| 5628 |
set_transient('mxchat_processed_messages_' . $session_id, $processed_messages, HOUR_IN_SECONDS); |
| 5629 |
|
| 5630 |
$slack_bot_token = $this->options['live_agent_bot_token'] ?? ''; |
| 5631 |
|
| 5632 |
// Handle agent ending the chat — transfer back to AI |
| 5633 |
// Format: "!endchat" or "!endchat <custom message to user>" |
| 5634 |
if (preg_match('/^!endchat\b/i', trim($message_text))) { |
| 5635 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 5636 |
|
| 5637 |
// Extract custom message after !endchat, or use empty string |
| 5638 |
$custom_message = trim(preg_replace('/^!endchat\s*/i', '', trim($message_text))); |
| 5639 |
|
| 5640 |
// Send the agent's custom farewell message if provided |
| 5641 |
if (!empty($custom_message)) { |
| 5642 |
$this->mxchat_save_chat_message($session_id, 'agent', $this->normalize_slack_text($custom_message)); |
| 5643 |
} |
| 5644 |
|
| 5645 |
// Confirm in Slack channel |
| 5646 |
if (!empty($slack_bot_token)) { |
| 5647 |
wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 5648 |
'headers' => [ |
| 5649 |
'Content-Type' => 'application/json', |
| 5650 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 5651 |
], |
| 5652 |
'body' => json_encode([ |
| 5653 |
'channel' => $channel_id, |
| 5654 |
'text' => "✅ *Chat ended.* User has been transferred back to AI mode.", |
| 5655 |
'mrkdwn' => true |
| 5656 |
]) |
| 5657 |
]); |
| 5658 |
} |
| 5659 |
|
| 5660 |
// Auto-archive the ended conversation's channel (plan 7458a7). |
| 5661 |
// Toggle-gated, best-effort — never blocks the mode flip. |
| 5662 |
$this->mxchat_maybe_archive_conversation_channel($session_id, $channel_id); |
| 5663 |
|
| 5664 |
return new WP_REST_Response(['ok' => true]); |
| 5665 |
} |
| 5666 |
|
| 5667 |
// Save the agent message (normalize Slack link/entity formatting first — plan-e2195b) |
| 5668 |
$this->mxchat_save_chat_message($session_id, 'agent', $this->normalize_slack_text($message_text)); |
| 5669 |
|
| 5670 |
// Send confirmation back to Slack (only once) |
| 5671 |
if (!empty($slack_bot_token)) { |
| 5672 |
// Use a transient to prevent duplicate confirmations |
| 5673 |
$confirm_key = 'mxchat_confirm_' . $message_key; |
| 5674 |
if (!get_transient($confirm_key)) { |
| 5675 |
wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 5676 |
'headers' => [ |
| 5677 |
'Content-Type' => 'application/json', |
| 5678 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 5679 |
], |
| 5680 |
'body' => json_encode([ |
| 5681 |
'channel' => $channel_id, |
| 5682 |
'text' => "✅ _Message sent to user_", |
| 5683 |
'thread_ts' => $event['ts'] // Reply in thread |
| 5684 |
]) |
| 5685 |
]); |
| 5686 |
// Set transient to prevent duplicate confirmations |
| 5687 |
set_transient($confirm_key, true, 300); // 5 minutes |
| 5688 |
} |
| 5689 |
} |
| 5690 |
} |
| 5691 |
} |
| 5692 |
|
| 5693 |
return new WP_REST_Response(['ok' => true]); |
| 5694 |
} |
| 5695 |
|
| 5696 |
/** |
| 5697 |
* Route an agent's threaded Slack reply to the session whose shared-channel |
| 5698 |
* conversation is rooted at that thread (plan 9f7756). Sessions are keyed by |
| 5699 |
* the thread root ts stored in mxchat_thread_{session}, so two visitors in |
| 5700 |
* the same shared channel can never cross-wire. Unknown threads are ignored. |
| 5701 |
* |
| 5702 |
* @param array $event Slack message event (has thread_ts !== ts). |
| 5703 |
* @return WP_REST_Response |
| 5704 |
*/ |
| 5705 |
private function mxchat_route_shared_thread_reply($event) { |
| 5706 |
$thread_root = $event['thread_ts'] ?? ''; |
| 5707 |
$message_text = $event['text'] ?? ''; |
| 5708 |
$message_ts = $event['ts'] ?? ''; |
| 5709 |
$channel_id = $event['channel'] ?? ''; |
| 5710 |
|
| 5711 |
if ($thread_root === '') { |
| 5712 |
return new WP_REST_Response(['ok' => true]); |
| 5713 |
} |
| 5714 |
|
| 5715 |
// Find the session owning this thread root (same reverse-lookup shape as |
| 5716 |
// the per-conversation channel mapping). |
| 5717 |
global $wpdb; |
| 5718 |
$session_option = $wpdb->get_var( |
| 5719 |
$wpdb->prepare( |
| 5720 |
"SELECT option_name FROM {$wpdb->options} |
| 5721 |
WHERE option_name LIKE 'mxchat_thread_%' |
| 5722 |
AND option_value = %s", |
| 5723 |
$thread_root |
| 5724 |
) |
| 5725 |
); |
| 5726 |
|
| 5727 |
if (!$session_option) { |
| 5728 |
// Not a shared-channel conversation thread (e.g. a reply under a |
| 5729 |
// per-conversation confirmation) — ignore, as before. |
| 5730 |
return new WP_REST_Response(['ok' => true]); |
| 5731 |
} |
| 5732 |
|
| 5733 |
$session_id = str_replace('mxchat_thread_', '', $session_option); |
| 5734 |
|
| 5735 |
// Per-message dedupe — same transient pattern as the top-level handler. |
| 5736 |
$message_key = md5($session_id . $message_ts . $message_text); |
| 5737 |
$processed_messages = get_transient('mxchat_processed_messages_' . $session_id) ?: []; |
| 5738 |
if (in_array($message_key, $processed_messages)) { |
| 5739 |
return new WP_REST_Response(['ok' => true]); |
| 5740 |
} |
| 5741 |
$processed_messages[] = $message_key; |
| 5742 |
if (count($processed_messages) > 50) { |
| 5743 |
$processed_messages = array_slice($processed_messages, -50); |
| 5744 |
} |
| 5745 |
set_transient('mxchat_processed_messages_' . $session_id, $processed_messages, HOUR_IN_SECONDS); |
| 5746 |
|
| 5747 |
$slack_bot_token = $this->options['live_agent_bot_token'] ?? ''; |
| 5748 |
|
| 5749 |
// Agent ending the chat from inside the thread — same command contract as |
| 5750 |
// per-conversation channels: "!endchat" or "!endchat <farewell>". |
| 5751 |
if (preg_match('/^!endchat\b/i', trim($message_text))) { |
| 5752 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 5753 |
|
| 5754 |
$custom_message = trim(preg_replace('/^!endchat\s*/i', '', trim($message_text))); |
| 5755 |
if (!empty($custom_message)) { |
| 5756 |
$this->mxchat_save_chat_message($session_id, 'agent', $this->normalize_slack_text($custom_message)); |
| 5757 |
} |
| 5758 |
|
| 5759 |
if (!empty($slack_bot_token) && $channel_id !== '') { |
| 5760 |
wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 5761 |
'headers' => [ |
| 5762 |
'Content-Type' => 'application/json', |
| 5763 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 5764 |
], |
| 5765 |
'body' => json_encode([ |
| 5766 |
'channel' => $channel_id, |
| 5767 |
'text' => "✅ *Chat ended.* User has been transferred back to AI mode.", |
| 5768 |
'thread_ts' => $thread_root, |
| 5769 |
'mrkdwn' => true |
| 5770 |
]) |
| 5771 |
]); |
| 5772 |
} |
| 5773 |
|
| 5774 |
return new WP_REST_Response(['ok' => true]); |
| 5775 |
} |
| 5776 |
|
| 5777 |
// Save the agent message for the widget (normalized like the channel path). |
| 5778 |
$this->mxchat_save_chat_message($session_id, 'agent', $this->normalize_slack_text($message_text)); |
| 5779 |
|
| 5780 |
// Confirmation stays inside the conversation's thread. |
| 5781 |
if (!empty($slack_bot_token) && $channel_id !== '') { |
| 5782 |
$confirm_key = 'mxchat_confirm_' . $message_key; |
| 5783 |
if (!get_transient($confirm_key)) { |
| 5784 |
wp_remote_post('https://slack.com/api/chat.postMessage', [ |
| 5785 |
'headers' => [ |
| 5786 |
'Content-Type' => 'application/json', |
| 5787 |
'Authorization' => 'Bearer ' . $slack_bot_token |
| 5788 |
], |
| 5789 |
'body' => json_encode([ |
| 5790 |
'channel' => $channel_id, |
| 5791 |
'text' => "✅ _Message sent to user_", |
| 5792 |
'thread_ts' => $thread_root |
| 5793 |
]) |
| 5794 |
]); |
| 5795 |
set_transient($confirm_key, true, 300); |
| 5796 |
} |
| 5797 |
} |
| 5798 |
|
| 5799 |
return new WP_REST_Response(['ok' => true]); |
| 5800 |
} |
| 5801 |
|
| 5802 |
// For the word upload handler |
| 5803 |
public function mxchat_handle_word_upload() { |
| 5804 |
// Delegate to word handler |
| 5805 |
$this->word_handler->mxchat_handle_word_upload(); |
| 5806 |
} |
| 5807 |
|
| 5808 |
// For the word removal handler |
| 5809 |
public function mxchat_handle_word_remove() { |
| 5810 |
// Delegate to word handler |
| 5811 |
$this->word_handler->mxchat_handle_word_remove(); |
| 5812 |
} |
| 5813 |
|
| 5814 |
// For the word status check |
| 5815 |
public function mxchat_check_word_status() { |
| 5816 |
// Delegate to word handler |
| 5817 |
$this->word_handler->mxchat_check_word_status(); |
| 5818 |
} |
| 5819 |
|
| 5820 |
|
| 5821 |
private function mxchat_get_user_identifier() { |
| 5822 |
return MxChat_User::mxchat_get_user_identifier(); |
| 5823 |
} |
| 5824 |
|
| 5825 |
private function mxchat_generate_embedding($text, $api_key) { |
| 5826 |
try { |
| 5827 |
// Get options and selected model |
| 5828 |
$options = get_option('mxchat_options'); |
| 5829 |
$selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002'; |
| 5830 |
|
| 5831 |
// Opt-in: route embeddings through the Custom (OpenAI-compatible) provider. |
| 5832 |
// Off by default so existing sites see byte-identical behavior. |
| 5833 |
if (!empty($options['custom_provider_for_embeddings']) && $options['custom_provider_for_embeddings'] === 'on') { |
| 5834 |
return $this->mxchat_generate_embedding_custom($text); |
| 5835 |
} |
| 5836 |
|
| 5837 |
// Determine endpoint and API key based on model |
| 5838 |
if (strpos($selected_model, 'voyage') === 0) { |
| 5839 |
$endpoint = 'https://api.voyageai.com/v1/embeddings'; |
| 5840 |
$api_key = $options['voyage_api_key'] ?? ''; |
| 5841 |
|
| 5842 |
// Check if Voyage API key is missing |
| 5843 |
if (empty($api_key)) { |
| 5844 |
//error_log('Voyage API key is missing'); |
| 5845 |
return [ |
| 5846 |
'error' => esc_html__('Voyage AI API key is not configured', 'mxchat'), |
| 5847 |
'error_code' => 'missing_voyage_api_key' |
| 5848 |
]; |
| 5849 |
} |
| 5850 |
} elseif (strpos($selected_model, 'gemini-embedding') === 0) { |
| 5851 |
$endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent'; |
| 5852 |
$api_key = $options['gemini_api_key'] ?? ''; |
| 5853 |
|
| 5854 |
// Check if Gemini API key is missing |
| 5855 |
if (empty($api_key)) { |
| 5856 |
//error_log('Gemini API key is missing'); |
| 5857 |
return [ |
| 5858 |
'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'), |
| 5859 |
'error_code' => 'missing_gemini_api_key' |
| 5860 |
]; |
| 5861 |
} |
| 5862 |
} else { |
| 5863 |
$endpoint = 'https://api.openai.com/v1/embeddings'; |
| 5864 |
// Use the passed API key for OpenAI |
| 5865 |
|
| 5866 |
// Check if OpenAI API key is missing |
| 5867 |
if (empty($api_key)) { |
| 5868 |
//error_log('OpenAI API key is missing'); |
| 5869 |
return [ |
| 5870 |
'error' => esc_html__('OpenAI API key is not configured', 'mxchat'), |
| 5871 |
'error_code' => 'missing_openai_api_key' |
| 5872 |
]; |
| 5873 |
} |
| 5874 |
} |
| 5875 |
|
| 5876 |
// Check if text is empty |
| 5877 |
if (empty($text)) { |
| 5878 |
//error_log('Empty text provided for embedding generation'); |
| 5879 |
return [ |
| 5880 |
'error' => esc_html__('No text provided for embedding generation', 'mxchat'), |
| 5881 |
'error_code' => 'empty_embedding_text' |
| 5882 |
]; |
| 5883 |
} |
| 5884 |
|
| 5885 |
// Prepare request body based on provider |
| 5886 |
if (strpos($selected_model, 'gemini-embedding') === 0) { |
| 5887 |
// Gemini API format |
| 5888 |
$request_body = [ |
| 5889 |
'model' => 'models/' . $selected_model, |
| 5890 |
'content' => [ |
| 5891 |
'parts' => [ |
| 5892 |
['text' => $text] |
| 5893 |
] |
| 5894 |
], |
| 5895 |
'outputDimensionality' => 1536 |
| 5896 |
]; |
| 5897 |
|
| 5898 |
// Prepare headers for Gemini (API key as query parameter) |
| 5899 |
$endpoint .= '?key=' . $api_key; |
| 5900 |
$headers = [ |
| 5901 |
'Content-Type' => 'application/json' |
| 5902 |
]; |
| 5903 |
} else { |
| 5904 |
// OpenAI/Voyage API format |
| 5905 |
$request_body = [ |
| 5906 |
'input' => $text, |
| 5907 |
'model' => $selected_model |
| 5908 |
]; |
| 5909 |
|
| 5910 |
// Add output_dimension for voyage-3-large |
| 5911 |
if ($selected_model === 'voyage-3-large') { |
| 5912 |
$request_body['output_dimension'] = 2048; |
| 5913 |
} |
| 5914 |
|
| 5915 |
// Prepare headers for OpenAI/Voyage |
| 5916 |
$headers = [ |
| 5917 |
'Content-Type' => 'application/json', |
| 5918 |
'Authorization' => 'Bearer ' . $api_key |
| 5919 |
]; |
| 5920 |
} |
| 5921 |
|
| 5922 |
// Prepare request arguments |
| 5923 |
$args = [ |
| 5924 |
'body' => wp_json_encode($request_body), |
| 5925 |
'headers' => $headers, |
| 5926 |
'timeout' => 60, |
| 5927 |
'redirection' => 5, |
| 5928 |
'blocking' => true, |
| 5929 |
'httpversion' => '1.0', |
| 5930 |
'sslverify' => true, |
| 5931 |
]; |
| 5932 |
|
| 5933 |
// Make the request |
| 5934 |
$response = wp_remote_post($endpoint, $args); |
| 5935 |
|
| 5936 |
// Handle WordPress errors |
| 5937 |
if (is_wp_error($response)) { |
| 5938 |
$error_message = $response->get_error_message(); |
| 5939 |
//error_log('Embedding Generation Error: ' . $error_message); |
| 5940 |
return [ |
| 5941 |
'error' => esc_html__('Connection error when generating embeddings: ', 'mxchat') . esc_html($error_message), |
| 5942 |
'error_code' => 'embedding_connection_error' |
| 5943 |
]; |
| 5944 |
} |
| 5945 |
|
| 5946 |
// Check HTTP status code |
| 5947 |
$status_code = wp_remote_retrieve_response_code($response); |
| 5948 |
if ($status_code !== 200) { |
| 5949 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 5950 |
|
| 5951 |
$error_message = $this->extract_provider_error($response_body, 'HTTP Error ' . $status_code); |
| 5952 |
|
| 5953 |
$error_type = isset($response_body['error']['type']) |
| 5954 |
? $response_body['error']['type'] |
| 5955 |
: 'unknown'; |
| 5956 |
|
| 5957 |
//error_log('Embedding API HTTP Error: ' . $status_code . ' - ' . $error_message); |
| 5958 |
|
| 5959 |
// Handle specific error types |
| 5960 |
switch ($error_type) { |
| 5961 |
case 'invalid_request_error': |
| 5962 |
if (strpos($error_message, 'API key') !== false) { |
| 5963 |
return [ |
| 5964 |
'error' => esc_html__('Invalid API key for embedding generation. Please check your API key configuration.', 'mxchat'), |
| 5965 |
'error_code' => 'embedding_invalid_api_key' |
| 5966 |
]; |
| 5967 |
} |
| 5968 |
break; |
| 5969 |
|
| 5970 |
case 'authentication_error': |
| 5971 |
return [ |
| 5972 |
'error' => esc_html__('Authentication failed for embedding generation. Please check your API key.', 'mxchat'), |
| 5973 |
'error_code' => 'embedding_auth_error' |
| 5974 |
]; |
| 5975 |
|
| 5976 |
case 'rate_limit_exceeded': |
| 5977 |
return [ |
| 5978 |
'error' => esc_html__('Rate limit exceeded for embedding generation. Please try again later.', 'mxchat'), |
| 5979 |
'error_code' => 'embedding_rate_limit' |
| 5980 |
]; |
| 5981 |
|
| 5982 |
case 'quota_exceeded': |
| 5983 |
return [ |
| 5984 |
'error' => esc_html__('API quota exceeded for embedding generation. Please check your billing details.', 'mxchat'), |
| 5985 |
'error_code' => 'embedding_quota_exceeded' |
| 5986 |
]; |
| 5987 |
} |
| 5988 |
|
| 5989 |
// Generic error fallback |
| 5990 |
return [ |
| 5991 |
'error' => esc_html__('Embedding API error - check embedding API key.: ', 'mxchat') . esc_html($error_message), |
| 5992 |
'error_code' => 'embedding_api_error', |
| 5993 |
'status_code' => $status_code |
| 5994 |
]; |
| 5995 |
} |
| 5996 |
|
| 5997 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 5998 |
|
| 5999 |
// Handle different response formats based on provider |
| 6000 |
if (strpos($selected_model, 'gemini-embedding') === 0) { |
| 6001 |
// Gemini API response format |
| 6002 |
if (isset($response_body['embedding']['values']) && is_array($response_body['embedding']['values'])) { |
| 6003 |
return $response_body['embedding']['values']; |
| 6004 |
} else { |
| 6005 |
//error_log('Invalid Gemini embedding response: ' . wp_json_encode($response_body)); |
| 6006 |
return [ |
| 6007 |
'error' => esc_html__('Received invalid embedding data from the Gemini API.', 'mxchat'), |
| 6008 |
'error_code' => 'invalid_gemini_embedding_response' |
| 6009 |
]; |
| 6010 |
} |
| 6011 |
} else { |
| 6012 |
// OpenAI/Voyage API response format |
| 6013 |
if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) { |
| 6014 |
return $response_body['data'][0]['embedding']; |
| 6015 |
} else { |
| 6016 |
//error_log('Invalid embedding response: ' . wp_json_encode($response_body)); |
| 6017 |
return [ |
| 6018 |
'error' => esc_html__('Received invalid embedding data from the API.', 'mxchat'), |
| 6019 |
'error_code' => 'invalid_embedding_response' |
| 6020 |
]; |
| 6021 |
} |
| 6022 |
} |
| 6023 |
} catch (Exception $e) { |
| 6024 |
//error_log('Embedding Exception: ' . $e->getMessage()); |
| 6025 |
return [ |
| 6026 |
'error' => esc_html__('System error when generating embeddings: ', 'mxchat') . esc_html($e->getMessage()), |
| 6027 |
'error_code' => 'embedding_exception' |
| 6028 |
]; |
| 6029 |
} |
| 6030 |
} |
| 6031 |
|
| 6032 |
|
| 6033 |
/** |
| 6034 |
* Generate embedding via a Custom (OpenAI-compatible) provider's /embeddings route. |
| 6035 |
* Only called when the opt-in 'custom_provider_for_embeddings' setting is on. |
| 6036 |
* Returns a numeric array (the embedding vector) on success, or ['error','error_code'] on failure. |
| 6037 |
*/ |
| 6038 |
private function mxchat_generate_embedding_custom($text) { |
| 6039 |
if (empty($text)) { |
| 6040 |
return ['error' => esc_html__('No text provided for embedding generation', 'mxchat'), 'error_code' => 'empty_embedding_text']; |
| 6041 |
} |
| 6042 |
$cfg = $this->mxchat_resolve_custom_provider(); |
| 6043 |
if (empty($cfg['base_url'])) { |
| 6044 |
return ['error' => esc_html__('Custom provider Base URL is not configured.', 'mxchat'), 'error_code' => 'missing_custom_provider_base_url']; |
| 6045 |
} |
| 6046 |
|
| 6047 |
$options = get_option('mxchat_options'); |
| 6048 |
$embed_url = $cfg['base_url'] . '/embeddings'; |
| 6049 |
if (!empty($cfg['api_version'])) { |
| 6050 |
$embed_url .= (strpos($embed_url, '?') === false ? '?' : '&') . 'api-version=' . rawurlencode($cfg['api_version']); |
| 6051 |
} |
| 6052 |
$model = isset($options['custom_provider_embedding_model']) && trim((string) $options['custom_provider_embedding_model']) !== '' |
| 6053 |
? trim((string) $options['custom_provider_embedding_model']) |
| 6054 |
: $cfg['model']; |
| 6055 |
|
| 6056 |
$response = wp_remote_post($embed_url, [ |
| 6057 |
'headers' => $this->mxchat_custom_provider_assoc_headers($cfg), |
| 6058 |
'body' => wp_json_encode(['input' => $text, 'model' => $model]), |
| 6059 |
'timeout' => 60, |
| 6060 |
]); |
| 6061 |
if (is_wp_error($response)) { |
| 6062 |
return [ |
| 6063 |
'error' => esc_html__('Connection error when generating embeddings (custom provider): ', 'mxchat') . esc_html($response->get_error_message()), |
| 6064 |
'error_code' => 'embedding_custom_connection_error', |
| 6065 |
]; |
| 6066 |
} |
| 6067 |
$status = wp_remote_retrieve_response_code($response); |
| 6068 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 6069 |
if ($status !== 200) { |
| 6070 |
$msg = $this->extract_provider_error($body, 'HTTP ' . $status); |
| 6071 |
return [ |
| 6072 |
'error' => esc_html__('Custom embedding endpoint error: ', 'mxchat') . esc_html($msg), |
| 6073 |
'error_code' => 'embedding_custom_api_error', |
| 6074 |
'status_code' => $status, |
| 6075 |
]; |
| 6076 |
} |
| 6077 |
if (isset($body['data'][0]['embedding']) && is_array($body['data'][0]['embedding'])) { |
| 6078 |
return $body['data'][0]['embedding']; |
| 6079 |
} |
| 6080 |
return [ |
| 6081 |
'error' => esc_html__('Invalid embedding response from custom provider.', 'mxchat'), |
| 6082 |
'error_code' => 'embedding_custom_invalid_response', |
| 6083 |
]; |
| 6084 |
} |
| 6085 |
|
| 6086 |
private function mxchat_find_relevant_content($user_embedding, $bot_id = 'default', $user_query = '') { |
| 6087 |
//error_log("MXCHAT DEBUG: find_relevant_content called with bot_id: " . $bot_id); |
| 6088 |
|
| 6089 |
// Check for OpenAI Vector Store first (takes priority when enabled) |
| 6090 |
$bot_vectorstore_config = $this->get_bot_vectorstore_config($bot_id); |
| 6091 |
|
| 6092 |
if ($bot_vectorstore_config['use_vectorstore']) { |
| 6093 |
// Get current model to verify it's an OpenAI model |
| 6094 |
$bot_options = $this->get_bot_options($bot_id); |
| 6095 |
$mxchat_options = get_option('mxchat_options', array()); |
| 6096 |
$current_options = !empty($bot_options) ? $bot_options : $mxchat_options; |
| 6097 |
$selected_model = $current_options['model'] ?? 'gpt-5.6-sol'; |
| 6098 |
|
| 6099 |
if ($this->is_openai_chat_model($selected_model)) { |
| 6100 |
//error_log("MXCHAT DEBUG: Using OpenAI Vector Store for knowledge retrieval"); |
| 6101 |
return $this->find_relevant_content_openai_vectorstore($user_query, $bot_id, $bot_vectorstore_config); |
| 6102 |
} else { |
| 6103 |
//error_log("MXCHAT DEBUG: Vector Store enabled but model is not OpenAI (" . $selected_model . "), skipping Vector Store"); |
| 6104 |
} |
| 6105 |
} |
| 6106 |
|
| 6107 |
// Get bot-specific Pinecone configuration |
| 6108 |
$bot_pinecone_config = $this->get_bot_pinecone_config($bot_id); |
| 6109 |
|
| 6110 |
// Debug: Log the Pinecone configuration |
| 6111 |
//error_log("MXCHAT DEBUG: Pinecone config for bot '$bot_id':"); |
| 6112 |
//error_log(" - use_pinecone: " . ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false')); |
| 6113 |
//error_log(" - api_key: " . (empty($bot_pinecone_config['api_key']) ? 'EMPTY' : 'SET (hidden)')); |
| 6114 |
//error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'NOT SET')); |
| 6115 |
//error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'NOT SET')); |
| 6116 |
|
| 6117 |
// Determine whether to use Pinecone based on bot configuration |
| 6118 |
$use_pinecone = isset($bot_pinecone_config['use_pinecone']) ? $bot_pinecone_config['use_pinecone'] : false; |
| 6119 |
|
| 6120 |
//error_log("MXCHAT DEBUG: Using " . ($use_pinecone ? "Pinecone" : "WordPress Database") . " for knowledge retrieval"); |
| 6121 |
|
| 6122 |
if ($use_pinecone) { |
| 6123 |
return $this->find_relevant_content_pinecone($user_embedding, $bot_id, $bot_pinecone_config); |
| 6124 |
} else { |
| 6125 |
return $this->find_relevant_content_wordpress($user_embedding, $bot_id, $user_query); |
| 6126 |
} |
| 6127 |
} |
| 6128 |
|
| 6129 |
private function find_relevant_content_wordpress($user_embedding, $bot_id = 'default', $user_query = '') { |
| 6130 |
global $wpdb; |
| 6131 |
$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 6132 |
// Initialize similarity analysis storage |
| 6133 |
$this->last_similarity_analysis = [ |
| 6134 |
'knowledge_base_type' => 'WordPress Database', |
| 6135 |
'bot_id' => $bot_id, |
| 6136 |
'top_matches' => [], |
| 6137 |
'threshold_used' => 0, |
| 6138 |
'total_checked' => 0 |
| 6139 |
]; |
| 6140 |
|
| 6141 |
// NEW: Initialize valid URLs array |
| 6142 |
$valid_urls = []; |
| 6143 |
|
| 6144 |
// Get bot-specific options for similarity threshold |
| 6145 |
$bot_options = $this->get_bot_options($bot_id); |
| 6146 |
$current_options = !empty($bot_options) ? $bot_options : $this->options; |
| 6147 |
|
| 6148 |
// Get knowledge manager instance for role checking |
| 6149 |
$knowledge_manager = MxChat_Knowledge_Manager::get_instance(); |
| 6150 |
|
| 6151 |
// Get base similarity threshold from bot options or default options |
| 6152 |
$similarity_threshold = isset($current_options['similarity_threshold']) |
| 6153 |
? ((int) $current_options['similarity_threshold']) / 100 |
| 6154 |
: 0.35; |
| 6155 |
$this->last_similarity_analysis['threshold_used'] = $similarity_threshold; |
| 6156 |
|
| 6157 |
// Precompute bot_filter once, outside the streaming loop |
| 6158 |
$bot_filter = ''; |
| 6159 |
if ($bot_id !== 'default') { |
| 6160 |
$column_exists = $wpdb->get_var("SHOW COLUMNS FROM {$system_prompt_table} LIKE 'bot_metadata'"); |
| 6161 |
if ($column_exists) { |
| 6162 |
$bot_filter = $wpdb->prepare(" AND (bot_metadata = %s OR bot_metadata IS NULL OR bot_metadata = '')", $bot_id); |
| 6163 |
} |
| 6164 |
} |
| 6165 |
|
| 6166 |
// Hybrid keyword boost (plan-38ffa1, default OFF). Runs a ranked keyword |
| 6167 |
// query alongside the vector scan and fuses the two lists by reciprocal |
| 6168 |
// rank, so exact-token queries (SKUs, error codes, names) hit even when |
| 6169 |
// their embedding similarity is semantic mush. The keyword leg runs FIRST |
| 6170 |
// so the vector scan below can record true cosine similarity for its hits |
| 6171 |
// (the display keeps cosine % as the anchor). |
| 6172 |
$hybrid_enabled = get_option('mxchat_hybrid_keyword_toggle', 'off') === 'on' |
| 6173 |
&& trim((string) $user_query) !== ''; |
| 6174 |
$keyword_hits = array(); // ranked + access-filtered, max 20 |
| 6175 |
$keyword_ids = array(); // id => keyword rank (1-based) |
| 6176 |
$keyword_similarities = array(); // id => cosine recorded during the scan |
| 6177 |
if ($hybrid_enabled) { |
| 6178 |
$keyword_hits = $this->mxchat_hybrid_keyword_search($user_query, $system_prompt_table, $bot_filter, $knowledge_manager); |
| 6179 |
foreach ($keyword_hits as $kw_i => $kw_hit) { |
| 6180 |
$keyword_ids[$kw_hit['id']] = $kw_i + 1; |
| 6181 |
} |
| 6182 |
} |
| 6183 |
|
| 6184 |
// ===== STREAMING TOP-K PASS ===== |
| 6185 |
// Stream rows in small batches, compute cosine similarity per row, and keep only: |
| 6186 |
// - top 10 by raw similarity (for the testing/debug display panel) |
| 6187 |
// - candidates above threshold with access (capped) for context assembly |
| 6188 |
// This bounds peak memory regardless of knowledge base size and avoids loading |
| 6189 |
// article_content for every row. article_content is fetched in Phase 2 for winners only. |
| 6190 |
$batch_size = 250; |
| 6191 |
$max_candidates = 200; // safety cap, well above rag_sources_limit * max_chunks_per_source |
| 6192 |
$top_display = []; |
| 6193 |
$candidates = []; |
| 6194 |
$total_checked = 0; |
| 6195 |
$offset = 0; |
| 6196 |
|
| 6197 |
do { |
| 6198 |
$batch = $wpdb->get_results($wpdb->prepare( |
| 6199 |
"SELECT id, embedding_vector, source_url, role_restriction |
| 6200 |
FROM {$system_prompt_table} |
| 6201 |
WHERE 1=1 {$bot_filter} |
| 6202 |
LIMIT %d OFFSET %d", |
| 6203 |
$batch_size, |
| 6204 |
$offset |
| 6205 |
)); |
| 6206 |
|
| 6207 |
if (empty($batch)) { |
| 6208 |
break; |
| 6209 |
} |
| 6210 |
|
| 6211 |
foreach ($batch as $row) { |
| 6212 |
$database_embedding = $row->embedding_vector |
| 6213 |
? unserialize($row->embedding_vector, ['allowed_classes' => false]) |
| 6214 |
: null; |
| 6215 |
|
| 6216 |
if (!is_array($database_embedding) || !is_array($user_embedding)) { |
| 6217 |
unset($database_embedding); |
| 6218 |
continue; |
| 6219 |
} |
| 6220 |
|
| 6221 |
$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding); |
| 6222 |
unset($database_embedding); |
| 6223 |
|
| 6224 |
$role_restriction = $row->role_restriction ?? 'public'; |
| 6225 |
$has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction); |
| 6226 |
$source_url = $row->source_url ?? ''; |
| 6227 |
|
| 6228 |
// Maintain top 10 display buffer (insert-if-beats-worst) |
| 6229 |
if (count($top_display) < 10) { |
| 6230 |
$top_display[] = [ |
| 6231 |
'id' => $row->id, |
| 6232 |
'similarity' => $similarity, |
| 6233 |
'source_url' => $source_url, |
| 6234 |
'role_restriction' => $role_restriction, |
| 6235 |
'has_access' => $has_access, |
| 6236 |
]; |
| 6237 |
usort($top_display, function ($a, $b) { |
| 6238 |
return $b['similarity'] <=> $a['similarity']; |
| 6239 |
}); |
| 6240 |
} elseif ($similarity > $top_display[9]['similarity']) { |
| 6241 |
$top_display[9] = [ |
| 6242 |
'id' => $row->id, |
| 6243 |
'similarity' => $similarity, |
| 6244 |
'source_url' => $source_url, |
| 6245 |
'role_restriction' => $role_restriction, |
| 6246 |
'has_access' => $has_access, |
| 6247 |
]; |
| 6248 |
usort($top_display, function ($a, $b) { |
| 6249 |
return $b['similarity'] <=> $a['similarity']; |
| 6250 |
}); |
| 6251 |
} |
| 6252 |
|
| 6253 |
// Record cosine for keyword-leg hits so fusion/display can anchor |
| 6254 |
// on the true similarity % even for below-threshold rescues. |
| 6255 |
if ($hybrid_enabled && isset($keyword_ids[$row->id])) { |
| 6256 |
$keyword_similarities[$row->id] = $similarity; |
| 6257 |
} |
| 6258 |
|
| 6259 |
// Track candidates for context assembly (above threshold + has access) |
| 6260 |
if ($similarity >= $similarity_threshold && $has_access) { |
| 6261 |
$candidates[] = [ |
| 6262 |
'id' => $row->id, |
| 6263 |
'similarity' => $similarity, |
| 6264 |
'source_url' => $source_url, |
| 6265 |
]; |
| 6266 |
} |
| 6267 |
|
| 6268 |
$total_checked++; |
| 6269 |
} |
| 6270 |
|
| 6271 |
unset($batch); |
| 6272 |
|
| 6273 |
// Trim candidates periodically to cap memory during long scans |
| 6274 |
if (count($candidates) > $max_candidates) { |
| 6275 |
usort($candidates, function ($a, $b) { |
| 6276 |
return $b['similarity'] <=> $a['similarity']; |
| 6277 |
}); |
| 6278 |
$candidates = array_slice($candidates, 0, $max_candidates); |
| 6279 |
} |
| 6280 |
|
| 6281 |
$offset += $batch_size; |
| 6282 |
} while (true); |
| 6283 |
|
| 6284 |
if ($total_checked === 0) { |
| 6285 |
$this->current_valid_urls = []; |
| 6286 |
return ''; |
| 6287 |
} |
| 6288 |
|
| 6289 |
// Final candidates sort (best first) |
| 6290 |
if (count($candidates) > 1) { |
| 6291 |
usort($candidates, function ($a, $b) { |
| 6292 |
return $b['similarity'] <=> $a['similarity']; |
| 6293 |
}); |
| 6294 |
} |
| 6295 |
|
| 6296 |
// ===== HYBRID FUSION (plan-38ffa1) ===== |
| 6297 |
// Reciprocal-rank fusion over the top-20 of each leg (k=60 standard). |
| 6298 |
// Rank-based, so the incomparable score scales (cosine 0-1 vs FULLTEXT |
| 6299 |
// relevance) never need calibrating. A below-threshold vector row can |
| 6300 |
// enter via a strong keyword rank — that is the point of the feature. |
| 6301 |
// Every candidate gets a 'rank_score' the downstream source ordering |
| 6302 |
// uses: with hybrid OFF it is exactly the cosine similarity, so the |
| 6303 |
// legacy path is byte-identical. |
| 6304 |
$fused_rank_map = array(); // id => 1-based fused rank |
| 6305 |
$matched_via_map = array(); // id => 'vector' | 'keyword' | 'both' |
| 6306 |
if (!$hybrid_enabled) { |
| 6307 |
foreach ($candidates as &$cand_ref) { |
| 6308 |
$cand_ref['rank_score'] = $cand_ref['similarity']; |
| 6309 |
} |
| 6310 |
unset($cand_ref); |
| 6311 |
} else { |
| 6312 |
$rrf_k = 60; |
| 6313 |
$fused = array(); |
| 6314 |
foreach (array_slice($candidates, 0, 20) as $leg_rank => $cand) { |
| 6315 |
$fused[$cand['id']] = array( |
| 6316 |
'id' => $cand['id'], |
| 6317 |
'similarity' => $cand['similarity'], |
| 6318 |
'source_url' => $cand['source_url'], |
| 6319 |
'rrf' => 1 / ($rrf_k + $leg_rank + 1), |
| 6320 |
'via' => 'vector', |
| 6321 |
); |
| 6322 |
} |
| 6323 |
foreach ($keyword_hits as $leg_rank => $hit) { |
| 6324 |
$rrf = 1 / ($rrf_k + $leg_rank + 1); |
| 6325 |
if (isset($fused[$hit['id']])) { |
| 6326 |
$fused[$hit['id']]['rrf'] += $rrf; |
| 6327 |
$fused[$hit['id']]['via'] = 'both'; |
| 6328 |
} else { |
| 6329 |
$fused[$hit['id']] = array( |
| 6330 |
'id' => $hit['id'], |
| 6331 |
'similarity' => $keyword_similarities[$hit['id']] ?? 0.0, |
| 6332 |
'source_url' => $hit['source_url'], |
| 6333 |
'rrf' => $rrf, |
| 6334 |
'via' => 'keyword', |
| 6335 |
); |
| 6336 |
} |
| 6337 |
} |
| 6338 |
uasort($fused, function ($a, $b) { |
| 6339 |
return $b['rrf'] <=> $a['rrf']; |
| 6340 |
}); |
| 6341 |
|
| 6342 |
// Vector candidates beyond the top-20 leg keep flowing to the prompt |
| 6343 |
// builders after the fused block, in their vector order — the result |
| 6344 |
// count/shape downstream stays unchanged. |
| 6345 |
$tail = array_slice($candidates, 20); |
| 6346 |
$candidates = array(); |
| 6347 |
$rank = 0; |
| 6348 |
foreach ($fused as $f) { |
| 6349 |
$rank++; |
| 6350 |
$fused_rank_map[$f['id']] = $rank; |
| 6351 |
$matched_via_map[$f['id']] = $f['via']; |
| 6352 |
$candidates[] = array( |
| 6353 |
'id' => $f['id'], |
| 6354 |
'similarity' => $f['similarity'], |
| 6355 |
'source_url' => $f['source_url'], |
| 6356 |
'rank_score' => $f['rrf'], |
| 6357 |
); |
| 6358 |
} |
| 6359 |
foreach ($tail as $cand) { |
| 6360 |
// Below any fused rrf (min possible fused rrf is 1/(60+40)=0.01; |
| 6361 |
// similarity * 1e-6 <= 1e-6), preserving relative vector order. |
| 6362 |
$cand['rank_score'] = $cand['similarity'] * 1e-6; |
| 6363 |
$candidates[] = $cand; |
| 6364 |
} |
| 6365 |
if (count($candidates) > $max_candidates) { |
| 6366 |
$candidates = array_slice($candidates, 0, $max_candidates); |
| 6367 |
} |
| 6368 |
} |
| 6369 |
|
| 6370 |
// ===== PHASE 2: FETCH ARTICLE CONTENT ONLY FOR WINNERS ===== |
| 6371 |
// Gather unique IDs we actually need (top_display + candidates) and pull |
| 6372 |
// article_content in bounded IN() batches. This avoids loading content for |
| 6373 |
// every row during the similarity scan. |
| 6374 |
$needed_ids = []; |
| 6375 |
foreach ($top_display as $item) { |
| 6376 |
$needed_ids[$item['id']] = true; |
| 6377 |
} |
| 6378 |
foreach ($candidates as $item) { |
| 6379 |
$needed_ids[$item['id']] = true; |
| 6380 |
} |
| 6381 |
$needed_ids = array_keys($needed_ids); |
| 6382 |
|
| 6383 |
$content_map = []; |
| 6384 |
if (!empty($needed_ids)) { |
| 6385 |
foreach (array_chunk($needed_ids, 250) as $chunk_ids) { |
| 6386 |
$placeholders = implode(',', array_fill(0, count($chunk_ids), '%d')); |
| 6387 |
$rows = $wpdb->get_results($wpdb->prepare( |
| 6388 |
"SELECT id, article_content FROM {$system_prompt_table} WHERE id IN ($placeholders)", |
| 6389 |
...$chunk_ids |
| 6390 |
)); |
| 6391 |
foreach ($rows as $r) { |
| 6392 |
$content_map[$r->id] = $r->article_content; |
| 6393 |
} |
| 6394 |
unset($rows); |
| 6395 |
} |
| 6396 |
} |
| 6397 |
|
| 6398 |
// Build the all_similarities display array from the top 10 |
| 6399 |
$all_similarities = []; |
| 6400 |
foreach ($top_display as $item) { |
| 6401 |
$article_content_for_parse = $content_map[$item['id']] ?? ''; |
| 6402 |
$parsed_for_display = MxChat_Chunker::parse_stored_chunk($article_content_for_parse); |
| 6403 |
$is_chunk = $parsed_for_display['is_chunked']; |
| 6404 |
$chunk_meta = $parsed_for_display['metadata']; |
| 6405 |
|
| 6406 |
if (!empty($item['source_url']) && $item['source_url'] !== '#') { |
| 6407 |
$source_display = $item['source_url']; |
| 6408 |
} else { |
| 6409 |
$content_preview = strip_tags($article_content_for_parse); |
| 6410 |
$content_preview = preg_replace('/\s+/', ' ', $content_preview); |
| 6411 |
$source_display = substr(trim($content_preview), 0, 50) . '...'; |
| 6412 |
} |
| 6413 |
|
| 6414 |
$all_similarities[] = [ |
| 6415 |
'document_id' => $item['id'], |
| 6416 |
'similarity' => $item['similarity'], |
| 6417 |
'similarity_percentage' => round($item['similarity'] * 100, 2), |
| 6418 |
'above_threshold' => $item['similarity'] >= $similarity_threshold, |
| 6419 |
'source_display' => $source_display, |
| 6420 |
'content_preview' => substr(strip_tags($parsed_for_display['text'] ?? ''), 0, 100) . '...', |
| 6421 |
'used_for_context' => false, |
| 6422 |
'role_restriction' => $item['role_restriction'], |
| 6423 |
'has_access' => $item['has_access'], |
| 6424 |
'filtered_out' => !$item['has_access'], |
| 6425 |
'is_chunk' => $is_chunk, |
| 6426 |
'chunk_index' => $is_chunk ? ($chunk_meta['chunk_index'] ?? 0) : null, |
| 6427 |
'total_chunks' => $is_chunk ? ($chunk_meta['total_chunks'] ?? 1) : null |
| 6428 |
]; |
| 6429 |
} |
| 6430 |
|
| 6431 |
// Build url_groups from candidates for chunk reassembly |
| 6432 |
$url_groups = array(); |
| 6433 |
foreach ($candidates as $cand) { |
| 6434 |
$article_content = $content_map[$cand['id']] ?? ''; |
| 6435 |
$parsed = MxChat_Chunker::parse_stored_chunk($article_content); |
| 6436 |
$is_chunked = $parsed['is_chunked']; |
| 6437 |
$chunk_index = $parsed['metadata']['chunk_index'] ?? 0; |
| 6438 |
$text_content = $parsed['text']; |
| 6439 |
|
| 6440 |
$source_url = $cand['source_url']; |
| 6441 |
$group_key = !empty($source_url) ? $source_url : '_manual_' . $cand['id']; |
| 6442 |
|
| 6443 |
if (!isset($url_groups[$group_key])) { |
| 6444 |
$url_groups[$group_key] = array( |
| 6445 |
'source_url' => $source_url, |
| 6446 |
'best_score' => 0, |
| 6447 |
'is_chunked' => $is_chunked, |
| 6448 |
'chunks' => array(), |
| 6449 |
'single_text' => '', |
| 6450 |
'single_id' => null |
| 6451 |
); |
| 6452 |
} |
| 6453 |
|
| 6454 |
// rank_score == similarity with hybrid off (byte-identical ordering); |
| 6455 |
// with hybrid on it carries the fused rank so keyword rescues sort up. |
| 6456 |
$cand_rank_score = $cand['rank_score'] ?? $cand['similarity']; |
| 6457 |
if ($cand_rank_score > $url_groups[$group_key]['best_score']) { |
| 6458 |
$url_groups[$group_key]['best_score'] = $cand_rank_score; |
| 6459 |
} |
| 6460 |
|
| 6461 |
if ($is_chunked) { |
| 6462 |
$url_groups[$group_key]['is_chunked'] = true; |
| 6463 |
$url_groups[$group_key]['chunks'][] = array( |
| 6464 |
'id' => $cand['id'], |
| 6465 |
'score' => $cand['similarity'], |
| 6466 |
'chunk_index' => $chunk_index, |
| 6467 |
'text' => $text_content |
| 6468 |
); |
| 6469 |
} else { |
| 6470 |
$url_groups[$group_key]['single_text'] = $text_content; |
| 6471 |
$url_groups[$group_key]['single_id'] = $cand['id']; |
| 6472 |
} |
| 6473 |
} |
| 6474 |
|
| 6475 |
// Hybrid display augmentation (plan-38ffa1, Maxwell's approval note): |
| 6476 |
// make sure every fused-top-10 row appears in the debug panel — a |
| 6477 |
// keyword-only rescue may sit below the vector top-10 buffer — and stamp |
| 6478 |
// matched_via + fused_rank on every row. Cosine % stays the anchor; no |
| 6479 |
// raw RRF numbers surface. |
| 6480 |
if ($hybrid_enabled) { |
| 6481 |
$displayed_ids = array(); |
| 6482 |
foreach ($all_similarities as $disp_item) { |
| 6483 |
$displayed_ids[$disp_item['document_id']] = true; |
| 6484 |
} |
| 6485 |
$kw_info_by_id = array(); |
| 6486 |
foreach ($keyword_hits as $hit) { |
| 6487 |
$kw_info_by_id[$hit['id']] = $hit; |
| 6488 |
} |
| 6489 |
foreach ($fused_rank_map as $fused_id => $fused_rank) { |
| 6490 |
if ($fused_rank > 10 || isset($displayed_ids[$fused_id])) { |
| 6491 |
continue; |
| 6492 |
} |
| 6493 |
$aug_content = $content_map[$fused_id] ?? ''; |
| 6494 |
$aug_parsed = MxChat_Chunker::parse_stored_chunk($aug_content); |
| 6495 |
$aug_hit = $kw_info_by_id[$fused_id] ?? array(); |
| 6496 |
$aug_similarity = $keyword_similarities[$fused_id] ?? 0.0; |
| 6497 |
$aug_source_url = $aug_hit['source_url'] ?? ''; |
| 6498 |
if (!empty($aug_source_url) && $aug_source_url !== '#') { |
| 6499 |
$aug_source_display = $aug_source_url; |
| 6500 |
} else { |
| 6501 |
$aug_preview = preg_replace('/\s+/', ' ', strip_tags($aug_content)); |
| 6502 |
$aug_source_display = substr(trim($aug_preview), 0, 50) . '...'; |
| 6503 |
} |
| 6504 |
$all_similarities[] = [ |
| 6505 |
'document_id' => $fused_id, |
| 6506 |
'similarity' => $aug_similarity, |
| 6507 |
'similarity_percentage' => round($aug_similarity * 100, 2), |
| 6508 |
'above_threshold' => $aug_similarity >= $similarity_threshold, |
| 6509 |
'source_display' => $aug_source_display, |
| 6510 |
'content_preview' => substr(strip_tags($aug_parsed['text'] ?? ''), 0, 100) . '...', |
| 6511 |
'used_for_context' => false, |
| 6512 |
'role_restriction' => $aug_hit['role_restriction'] ?? 'public', |
| 6513 |
'has_access' => $aug_hit['has_access'] ?? true, |
| 6514 |
'filtered_out' => false, |
| 6515 |
'is_chunk' => $aug_parsed['is_chunked'], |
| 6516 |
'chunk_index' => $aug_parsed['is_chunked'] ? ($aug_parsed['metadata']['chunk_index'] ?? 0) : null, |
| 6517 |
'total_chunks' => $aug_parsed['is_chunked'] ? ($aug_parsed['metadata']['total_chunks'] ?? 1) : null, |
| 6518 |
]; |
| 6519 |
} |
| 6520 |
foreach ($all_similarities as &$disp_ref) { |
| 6521 |
$disp_ref['matched_via'] = $matched_via_map[$disp_ref['document_id']] ?? null; |
| 6522 |
$disp_ref['fused_rank'] = $fused_rank_map[$disp_ref['document_id']] ?? null; |
| 6523 |
} |
| 6524 |
unset($disp_ref); |
| 6525 |
} |
| 6526 |
|
| 6527 |
// Sort for the testing/debug display: fused rank when hybrid is on |
| 6528 |
// (nulls last, cosine as tie-break), raw similarity otherwise. |
| 6529 |
if ($hybrid_enabled) { |
| 6530 |
usort($all_similarities, function ($a, $b) { |
| 6531 |
$ar = $a['fused_rank'] ?? PHP_INT_MAX; |
| 6532 |
$br = $b['fused_rank'] ?? PHP_INT_MAX; |
| 6533 |
if ($ar !== $br) { |
| 6534 |
return $ar <=> $br; |
| 6535 |
} |
| 6536 |
return $b['similarity'] <=> $a['similarity']; |
| 6537 |
}); |
| 6538 |
} else { |
| 6539 |
usort($all_similarities, function ($a, $b) { |
| 6540 |
return $b['similarity'] <=> $a['similarity']; |
| 6541 |
}); |
| 6542 |
} |
| 6543 |
|
| 6544 |
// Sort URL groups by best score (highest first) |
| 6545 |
uasort($url_groups, function($a, $b) { |
| 6546 |
return $b['best_score'] <=> $a['best_score']; |
| 6547 |
}); |
| 6548 |
|
| 6549 |
// Get RAG sources limit from options (default 6, min 3, max 10) |
| 6550 |
$rag_sources_limit = isset($current_options['rag_sources_limit']) ? intval($current_options['rag_sources_limit']) : 3; |
| 6551 |
if ($rag_sources_limit < 3) $rag_sources_limit = 3; |
| 6552 |
if ($rag_sources_limit > 10) $rag_sources_limit = 10; |
| 6553 |
|
| 6554 |
// Take top N unique URLs based on user setting |
| 6555 |
$top_urls = array_slice($url_groups, 0, $rag_sources_limit, true); |
| 6556 |
|
| 6557 |
// Track which document IDs are used for context |
| 6558 |
$used_document_ids = []; |
| 6559 |
foreach ($top_urls as $group) { |
| 6560 |
if ($group['is_chunked']) { |
| 6561 |
foreach ($group['chunks'] as $chunk) { |
| 6562 |
$used_document_ids[] = $chunk['id']; |
| 6563 |
} |
| 6564 |
} elseif ($group['single_id']) { |
| 6565 |
$used_document_ids[] = $group['single_id']; |
| 6566 |
} |
| 6567 |
} |
| 6568 |
|
| 6569 |
// Update the all_similarities array to mark which were actually used |
| 6570 |
foreach ($all_similarities as &$similarity_item) { |
| 6571 |
$similarity_item['used_for_context'] = in_array($similarity_item['document_id'], $used_document_ids); |
| 6572 |
} |
| 6573 |
|
| 6574 |
// Store top 10 for testing panel |
| 6575 |
$this->last_similarity_analysis['top_matches'] = array_slice($all_similarities, 0, 10); |
| 6576 |
$this->last_similarity_analysis['total_checked'] = $total_checked; |
| 6577 |
|
| 6578 |
// Initialize final content |
| 6579 |
$content = ''; |
| 6580 |
$matches_used = 0; |
| 6581 |
$total_chunks_used = 0; |
| 6582 |
$max_total_chunks = isset($current_options['rag_chunks_limit']) ? intval($current_options['rag_chunks_limit']) : 15; |
| 6583 |
if ($max_total_chunks < 8) $max_total_chunks = 8; |
| 6584 |
if ($max_total_chunks > 20) $max_total_chunks = 20; |
| 6585 |
$max_chunks_per_source = 5; // Cap per individual source to limit token usage |
| 6586 |
|
| 6587 |
// Check if citation links are enabled (default to 'on' for backwards compatibility) |
| 6588 |
// Use fresh options to ensure we get the latest setting value |
| 6589 |
$fresh_options = get_option('mxchat_options', []); |
| 6590 |
$citation_links_enabled = isset($fresh_options['citation_links_toggle']) ? ($fresh_options['citation_links_toggle'] === 'on') : true; |
| 6591 |
|
| 6592 |
// Build content from top sources |
| 6593 |
foreach ($top_urls as $group_key => $group) { |
| 6594 |
$source_url = $group['source_url']; // Use actual source_url, not the group key |
| 6595 |
|
| 6596 |
// Stop if we've hit the total chunk limit |
| 6597 |
if ($total_chunks_used >= $max_total_chunks) { |
| 6598 |
break; |
| 6599 |
} |
| 6600 |
|
| 6601 |
$full_text = ''; |
| 6602 |
$chunks_in_this_source = 1; // Default for non-chunked content |
| 6603 |
|
| 6604 |
if ($group['is_chunked']) { |
| 6605 |
// Calculate how many chunks we can still use (respect both total and per-source caps) |
| 6606 |
$chunks_remaining = min($max_chunks_per_source, $max_total_chunks - $total_chunks_used); |
| 6607 |
|
| 6608 |
// Fetch chunks for this URL with limit |
| 6609 |
$full_text = $this->reassemble_chunks_from_wordpress($source_url, $chunks_remaining, $chunks_in_this_source); |
| 6610 |
|
| 6611 |
// If fetching all chunks fails, fall back to matched chunks |
| 6612 |
if (empty($full_text)) { |
| 6613 |
// Sort matched chunks by index and concatenate |
| 6614 |
usort($group['chunks'], function($a, $b) { |
| 6615 |
return $a['chunk_index'] <=> $b['chunk_index']; |
| 6616 |
}); |
| 6617 |
|
| 6618 |
$chunk_texts = array(); |
| 6619 |
$chunks_in_this_source = 0; |
| 6620 |
foreach ($group['chunks'] as $chunk) { |
| 6621 |
if ($total_chunks_used + $chunks_in_this_source >= $max_total_chunks) { |
| 6622 |
break; |
| 6623 |
} |
| 6624 |
$chunk_texts[] = $chunk['text']; |
| 6625 |
$chunks_in_this_source++; |
| 6626 |
} |
| 6627 |
$full_text = implode("\n\n", $chunk_texts); |
| 6628 |
} |
| 6629 |
} else { |
| 6630 |
$full_text = $group['single_text']; |
| 6631 |
$chunks_in_this_source = 1; |
| 6632 |
} |
| 6633 |
|
| 6634 |
if (!empty($full_text)) { |
| 6635 |
// Strip URLs from content if citation links are disabled |
| 6636 |
if (!$citation_links_enabled) { |
| 6637 |
$full_text = preg_replace('#\bhttps?://[^\s<>"\']+#i', '', $full_text); |
| 6638 |
$full_text = preg_replace('/\s+/', ' ', trim($full_text)); // Clean up extra spaces |
| 6639 |
} |
| 6640 |
|
| 6641 |
// Use numbered reference for URL-based entries, plain info label for manual entries |
| 6642 |
// Manual entries are stored with an internal mxchat:// placeholder URL — never expose them as citations |
| 6643 |
if (!empty($source_url) && $source_url !== '#' && strpos($source_url, 'mxchat://') !== 0) { |
| 6644 |
$matches_used++; |
| 6645 |
$content .= "## Reference " . $matches_used . " ##\n"; |
| 6646 |
$content .= $full_text . "\n\n"; |
| 6647 |
|
| 6648 |
// Only include citation URLs if citation links are enabled |
| 6649 |
if ($citation_links_enabled) { |
| 6650 |
$valid_urls[] = $source_url; |
| 6651 |
$content .= "URL: " . $source_url . "\n\n"; |
| 6652 |
} |
| 6653 |
|
| 6654 |
// Video-backed source → queue the consent-safe embed (03ba33) |
| 6655 |
$this->maybe_queue_youtube_embed($source_url, $full_text); |
| 6656 |
} else { |
| 6657 |
// Manual entry — no reference number, no citation |
| 6658 |
$content .= "## Information ##\n"; |
| 6659 |
$content .= $full_text . "\n\n"; |
| 6660 |
} |
| 6661 |
|
| 6662 |
// Extract any URLs from the text content itself (only if citation links enabled) |
| 6663 |
if ($citation_links_enabled) { |
| 6664 |
preg_match_all( |
| 6665 |
'#\bhttps?://[^\s<>"\']+#i', |
| 6666 |
$full_text, |
| 6667 |
$content_urls |
| 6668 |
); |
| 6669 |
if (!empty($content_urls[0])) { |
| 6670 |
$valid_urls = array_merge($valid_urls, $content_urls[0]); |
| 6671 |
} |
| 6672 |
} |
| 6673 |
|
| 6674 |
$total_chunks_used += $chunks_in_this_source; |
| 6675 |
} |
| 6676 |
} |
| 6677 |
|
| 6678 |
// NEW: Store unique valid URLs for validation |
| 6679 |
$this->current_valid_urls = array_unique($valid_urls); |
| 6680 |
|
| 6681 |
// Store sources and chunks counts for testing/transcript display |
| 6682 |
$this->last_similarity_analysis['sources_used'] = $matches_used; |
| 6683 |
$this->last_similarity_analysis['total_chunks_used'] = $total_chunks_used; |
| 6684 |
|
| 6685 |
// Allow add-ons to act on similarity results (e.g. WooCommerce product card display) |
| 6686 |
do_action('mxchat_similarity_results', $this->last_similarity_analysis['top_matches'], $bot_id); |
| 6687 |
|
| 6688 |
// Add response guidelines |
| 6689 |
if (empty($top_urls)) { |
| 6690 |
// No matched sources: return empty so the prompt assembler's |
| 6691 |
// "NO RELEVANT CONTENT FOUND IN KNOWLEDGE DATABASE" branch fires — |
| 6692 |
// a no-info sentence wrapped in OFFICIAL KNOWLEDGE markers reads to |
| 6693 |
// the model as authoritative content (plan d7daf8). |
| 6694 |
$content = ''; |
| 6695 |
} else { |
| 6696 |
// Build response guidelines based on citation links setting |
| 6697 |
$content .= "\n## Response Guidelines ##\n" . |
| 6698 |
"You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " . |
| 6699 |
"Be conversational and friendly, but never mention your knowledge base or training data. " . |
| 6700 |
"If you don't have specific information or are uncertain about any details, it's always " . |
| 6701 |
"better to honestly say you don't know rather than making up or guessing at answers. " . |
| 6702 |
"When information is incomplete, let them know you are unsure.\n\n"; |
| 6703 |
|
| 6704 |
// Only add hyperlink instructions if citation links are enabled |
| 6705 |
if ($citation_links_enabled) { |
| 6706 |
$content .= "CRITICAL: When creating hyperlinks, always use proper markdown format with descriptive text: " . |
| 6707 |
"[descriptive text](url). NEVER use empty brackets like [](url). The text in brackets must describe what the link is about. " . |
| 6708 |
"Only cite references that have a URL. Do not cite or add source labels to Information sections that have no URL."; |
| 6709 |
} else { |
| 6710 |
$content .= "IMPORTANT: Do not include any citation links, source URLs, or hyperlinks in your responses. " . |
| 6711 |
"Simply provide helpful answers based on the reference information without citing sources."; |
| 6712 |
} |
| 6713 |
} |
| 6714 |
|
| 6715 |
return trim($content); |
| 6716 |
} |
| 6717 |
|
| 6718 |
/** |
| 6719 |
* plan-mxchat-20260717-03ba33 — if a KB source used for context is a single |
| 6720 |
* YouTube video, queue ONE consent-safe embed for the response html channel. |
| 6721 |
* Called from BOTH retrieval builders (WordPress DB + Pinecone) inside their |
| 6722 |
* real-URL winner branch, in ranked order — so the first (best) video wins and |
| 6723 |
* later matches are ignored. Only KB/admin-ingested sources ever reach this |
| 6724 |
* point; a URL a visitor pastes in chat never does. |
| 6725 |
*/ |
| 6726 |
private function maybe_queue_youtube_embed($source_url, $full_text) { |
| 6727 |
if (!empty($this->videoEmbedHtml)) { |
| 6728 |
return; // one video per response |
| 6729 |
} |
| 6730 |
$video_id = MxChat_Utils::parse_youtube_id($source_url); |
| 6731 |
if (empty($video_id)) { |
| 6732 |
return; |
| 6733 |
} |
| 6734 |
// Ingestion writes "YouTube Video: {title}" / "Channel: {name}" / "URL: …" |
| 6735 |
// header lines into the indexed text. NOTE: when citation links are |
| 6736 |
// disabled the winner loop collapses ALL whitespace to single spaces |
| 6737 |
// before this runs, so the title must be terminated by the next header |
| 6738 |
// label, not by end-of-line. Fall back to a generic label when absent |
| 6739 |
// (e.g. a YouTube watch page imported through the plain URL source). |
| 6740 |
$title = ''; |
| 6741 |
if (preg_match('/YouTube Video:\s*(.+?)(?=\s+Channel:\s|\s+URL:\s|\r|\n|$)/i', (string) $full_text, $m)) { |
| 6742 |
$title = trim(mb_substr(trim($m[1]), 0, 140)); |
| 6743 |
if (preg_match('#^https?://#i', $title)) { |
| 6744 |
$title = ''; // header carried the URL, not a real title |
| 6745 |
} |
| 6746 |
} |
| 6747 |
$this->videoEmbedHtml = $this->build_youtube_embed_html($video_id, $title, $source_url); |
| 6748 |
} |
| 6749 |
|
| 6750 |
/** |
| 6751 |
* Consent-safe click-to-load YouTube facade. No Google iframe is created until |
| 6752 |
* the visitor taps play (chat-script.js swaps the facade for a |
| 6753 |
* youtube-nocookie.com iframe). The caption always carries a plain "Watch on |
| 6754 |
* YouTube" link, which is also the graceful degrade on strict-CSP sites where |
| 6755 |
* third-party frames are blocked. |
| 6756 |
*/ |
| 6757 |
private function build_youtube_embed_html($video_id, $title, $watch_url) { |
| 6758 |
$video_id = preg_replace('/[^A-Za-z0-9_-]/', '', (string) $video_id); |
| 6759 |
if ($video_id === '') { |
| 6760 |
return ''; |
| 6761 |
} |
| 6762 |
$thumb = 'https://i.ytimg.com/vi/' . $video_id . '/hqdefault.jpg'; |
| 6763 |
$label = ($title !== '') ? $title : __('YouTube video', 'mxchat'); |
| 6764 |
|
| 6765 |
$html = '<div class="mxchat-youtube-embed" data-video-id="' . esc_attr($video_id) . '">'; |
| 6766 |
$html .= '<button type="button" class="mxchat-youtube-facade" aria-label="' . esc_attr(sprintf(__('Play video: %s', 'mxchat'), $label)) . '">'; |
| 6767 |
$html .= '<img class="mxchat-youtube-thumb" src="' . esc_url($thumb) . '" alt="' . esc_attr($label) . '" loading="lazy" />'; |
| 6768 |
$html .= '<span class="mxchat-youtube-play" aria-hidden="true"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="22" height="22" fill="currentColor" aria-hidden="true"><path d="M8 5v14l11-7z"/></svg></span>'; |
| 6769 |
$html .= '</button>'; |
| 6770 |
$html .= '<div class="mxchat-youtube-caption">'; |
| 6771 |
$html .= '<span class="mxchat-youtube-title">' . esc_html($label) . '</span>'; |
| 6772 |
$html .= '<a class="mxchat-youtube-link" href="' . esc_url($watch_url) . '" target="_blank" rel="noopener noreferrer">' . esc_html__('Watch on YouTube', 'mxchat') . '</a>'; |
| 6773 |
$html .= '</div>'; |
| 6774 |
$html .= '</div>'; |
| 6775 |
return $html; |
| 6776 |
} |
| 6777 |
|
| 6778 |
/** |
| 6779 |
* Fetch and reassemble chunks for a URL from WordPress database |
| 6780 |
* |
| 6781 |
* @param string $source_url The source URL to fetch chunks for |
| 6782 |
* @param int $max_chunks Maximum number of chunks to return (0 = unlimited) |
| 6783 |
* @param int &$chunk_count Reference to store the actual number of chunks returned |
| 6784 |
* @return string Reassembled content from chunks |
| 6785 |
*/ |
| 6786 |
private function reassemble_chunks_from_wordpress($source_url, $max_chunks = 0, &$chunk_count = 0) { |
| 6787 |
global $wpdb; |
| 6788 |
$table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 6789 |
|
| 6790 |
// Fetch all rows with this source_url |
| 6791 |
$rows = $wpdb->get_results($wpdb->prepare( |
| 6792 |
"SELECT article_content FROM {$table} |
| 6793 |
WHERE source_url = %s |
| 6794 |
ORDER BY id ASC", |
| 6795 |
$source_url |
| 6796 |
)); |
| 6797 |
|
| 6798 |
if (empty($rows)) { |
| 6799 |
$chunk_count = 0; |
| 6800 |
return ''; |
| 6801 |
} |
| 6802 |
|
| 6803 |
// Parse and sort chunks by index |
| 6804 |
$chunks = array(); |
| 6805 |
foreach ($rows as $row) { |
| 6806 |
$parsed = MxChat_Chunker::parse_stored_chunk($row->article_content); |
| 6807 |
|
| 6808 |
if ($parsed['is_chunked']) { |
| 6809 |
$chunk_index = $parsed['metadata']['chunk_index'] ?? 0; |
| 6810 |
$chunks[$chunk_index] = $parsed['text']; |
| 6811 |
} else { |
| 6812 |
// Non-chunked content - just return it |
| 6813 |
$chunks[] = $parsed['text']; |
| 6814 |
} |
| 6815 |
} |
| 6816 |
|
| 6817 |
// Sort by chunk index |
| 6818 |
ksort($chunks); |
| 6819 |
|
| 6820 |
// Apply chunk limit if specified |
| 6821 |
if ($max_chunks > 0 && count($chunks) > $max_chunks) { |
| 6822 |
$chunks = array_slice($chunks, 0, $max_chunks, true); |
| 6823 |
} |
| 6824 |
|
| 6825 |
// Store actual chunk count |
| 6826 |
$chunk_count = count($chunks); |
| 6827 |
|
| 6828 |
// Reassemble content |
| 6829 |
return implode("\n\n", $chunks); |
| 6830 |
} |
| 6831 |
|
| 6832 |
private function find_relevant_content_pinecone($user_embedding, $bot_id = 'default', $bot_config = null) { |
| 6833 |
global $wpdb; |
| 6834 |
|
| 6835 |
//error_log("MXCHAT DEBUG: find_relevant_content_pinecone called"); |
| 6836 |
//error_log(" - bot_id: " . $bot_id); |
| 6837 |
//error_log(" - user_embedding is array: " . (is_array($user_embedding) ? 'yes' : 'no')); |
| 6838 |
//error_log(" - user_embedding count: " . (is_array($user_embedding) ? count($user_embedding) : 'N/A')); |
| 6839 |
|
| 6840 |
// Use bot-specific config or fall back to default |
| 6841 |
if ($bot_config === null) { |
| 6842 |
$bot_config = $this->get_bot_pinecone_config($bot_id); |
| 6843 |
} |
| 6844 |
|
| 6845 |
$api_key = $bot_config['api_key'] ?? ''; |
| 6846 |
$host = $bot_config['host'] ?? ''; |
| 6847 |
$namespace = $bot_config['namespace'] ?? ''; |
| 6848 |
|
| 6849 |
//error_log("MXCHAT DEBUG: Pinecone query parameters:"); |
| 6850 |
//error_log(" - API Key: " . (empty($api_key) ? 'EMPTY - ERROR!' : 'Present (length: ' . strlen($api_key) . ')')); |
| 6851 |
//error_log(" - Host: " . (empty($host) ? 'EMPTY - ERROR!' : $host)); |
| 6852 |
//error_log(" - Namespace: " . (empty($namespace) ? 'EMPTY (will use default)' : $namespace)); |
| 6853 |
|
| 6854 |
// Initialize similarity analysis storage |
| 6855 |
$this->last_similarity_analysis = [ |
| 6856 |
'knowledge_base_type' => 'Pinecone', |
| 6857 |
'bot_id' => $bot_id, |
| 6858 |
'namespace' => $namespace, |
| 6859 |
'top_matches' => [], |
| 6860 |
'threshold_used' => 0, |
| 6861 |
'total_checked' => 0 |
| 6862 |
]; |
| 6863 |
|
| 6864 |
// NEW: Initialize valid URLs array |
| 6865 |
$valid_urls = []; |
| 6866 |
|
| 6867 |
if (empty($host) || empty($api_key)) { |
| 6868 |
//error_log("MXCHAT DEBUG ERROR: Missing Pinecone host or API key!"); |
| 6869 |
//error_log(" - Host empty: " . (empty($host) ? 'YES' : 'NO')); |
| 6870 |
//error_log(" - API key empty: " . (empty($api_key) ? 'YES' : 'NO')); |
| 6871 |
// Store empty array for valid URLs since we can't proceed |
| 6872 |
$this->current_valid_urls = []; |
| 6873 |
return ''; |
| 6874 |
} |
| 6875 |
|
| 6876 |
// Get knowledge manager instance for role checking |
| 6877 |
$knowledge_manager = MxChat_Knowledge_Manager::get_instance(); |
| 6878 |
|
| 6879 |
// Get the similarity threshold from the bot options or main options |
| 6880 |
$bot_options = $this->get_bot_options($bot_id); |
| 6881 |
$current_options = !empty($bot_options) ? $bot_options : get_option('mxchat_options', []); |
| 6882 |
|
| 6883 |
$similarity_threshold = isset($current_options['similarity_threshold']) |
| 6884 |
? ((int) $current_options['similarity_threshold']) / 100 |
| 6885 |
: 0.35; |
| 6886 |
|
| 6887 |
$this->last_similarity_analysis['threshold_used'] = $similarity_threshold; |
| 6888 |
|
| 6889 |
// Prepare the query request for Pinecone |
| 6890 |
$api_endpoint = "https://{$host}/query"; |
| 6891 |
|
| 6892 |
$request_body = array( |
| 6893 |
'vector' => $user_embedding, |
| 6894 |
'topK' => 50, // Increased for chunked content grouping - need more candidates to find top N unique URLs |
| 6895 |
'includeMetadata' => true, |
| 6896 |
'includeValues' => true |
| 6897 |
); |
| 6898 |
|
| 6899 |
// Add namespace if specified for this bot |
| 6900 |
if (!empty($namespace)) { |
| 6901 |
$request_body['namespace'] = $namespace; |
| 6902 |
} |
| 6903 |
|
| 6904 |
//error_log("MXCHAT DEBUG: About to call Pinecone API"); |
| 6905 |
//error_log(" - Endpoint: " . $api_endpoint); |
| 6906 |
//error_log(" - Namespace in request: " . (!empty($namespace) ? $namespace : 'NOT SET')); |
| 6907 |
|
| 6908 |
$response = wp_remote_post($api_endpoint, array( |
| 6909 |
'headers' => array( |
| 6910 |
'Api-Key' => $api_key, |
| 6911 |
'accept' => 'application/json', |
| 6912 |
'content-type' => 'application/json' |
| 6913 |
), |
| 6914 |
'body' => wp_json_encode($request_body), |
| 6915 |
'timeout' => 30 |
| 6916 |
)); |
| 6917 |
|
| 6918 |
if (is_wp_error($response)) { |
| 6919 |
//error_log("MXCHAT DEBUG ERROR: WP Error in Pinecone request: " . $response->get_error_message()); |
| 6920 |
// Store empty array for valid URLs |
| 6921 |
$this->current_valid_urls = []; |
| 6922 |
return ''; |
| 6923 |
} |
| 6924 |
|
| 6925 |
$response_code = wp_remote_retrieve_response_code($response); |
| 6926 |
//error_log("MXCHAT DEBUG: Pinecone response code: " . $response_code); |
| 6927 |
|
| 6928 |
if ($response_code !== 200) { |
| 6929 |
$response_body = wp_remote_retrieve_body($response); |
| 6930 |
//error_log("MXCHAT DEBUG ERROR: Pinecone API error response: " . substr($response_body, 0, 500)); |
| 6931 |
// Store empty array for valid URLs |
| 6932 |
$this->current_valid_urls = []; |
| 6933 |
return ''; |
| 6934 |
} |
| 6935 |
|
| 6936 |
// ADD DETAILED DEBUG SECTION HERE |
| 6937 |
$response_body = wp_remote_retrieve_body($response); |
| 6938 |
//error_log("MXCHAT DEBUG: Raw Pinecone response length: " . strlen($response_body)); |
| 6939 |
|
| 6940 |
$results = json_decode($response_body, true); |
| 6941 |
|
| 6942 |
if (json_last_error() !== JSON_ERROR_NONE) { |
| 6943 |
//error_log("MXCHAT DEBUG ERROR: JSON decode error: " . json_last_error_msg()); |
| 6944 |
//error_log("MXCHAT DEBUG: First 500 chars of response: " . substr($response_body, 0, 500)); |
| 6945 |
// Store empty array for valid URLs |
| 6946 |
$this->current_valid_urls = []; |
| 6947 |
return ''; |
| 6948 |
} |
| 6949 |
|
| 6950 |
//error_log("MXCHAT DEBUG: Pinecone response structure:"); |
| 6951 |
//error_log(" - Has 'matches' key: " . (isset($results['matches']) ? 'yes' : 'no')); |
| 6952 |
//error_log(" - Has 'namespace' key: " . (isset($results['namespace']) ? 'yes (' . $results['namespace'] . ')' : 'no')); |
| 6953 |
|
| 6954 |
if (empty($results['matches'])) { |
| 6955 |
//error_log("MXCHAT DEBUG: No matches found in Pinecone response"); |
| 6956 |
//error_log("MXCHAT DEBUG: Response keys: " . implode(', ', array_keys($results))); |
| 6957 |
// Store empty array for valid URLs |
| 6958 |
$this->current_valid_urls = []; |
| 6959 |
return ''; |
| 6960 |
} |
| 6961 |
|
| 6962 |
//error_log("MXCHAT DEBUG: Found " . count($results['matches']) . " matches in Pinecone"); |
| 6963 |
|
| 6964 |
// Log first match details for debugging |
| 6965 |
if (!empty($results['matches'][0])) { |
| 6966 |
$first_match = $results['matches'][0]; |
| 6967 |
//error_log("MXCHAT DEBUG: First match details:"); |
| 6968 |
//error_log(" - Score: " . ($first_match['score'] ?? 'no score')); |
| 6969 |
//error_log(" - Has metadata: " . (isset($first_match['metadata']) ? 'yes' : 'no')); |
| 6970 |
if (isset($first_match['metadata'])) { |
| 6971 |
//error_log(" - Metadata keys: " . implode(', ', array_keys($first_match['metadata']))); |
| 6972 |
} |
| 6973 |
} |
| 6974 |
|
| 6975 |
// Initialize the final content |
| 6976 |
$content = ''; |
| 6977 |
$matches_used = 0; |
| 6978 |
$matches_used_for_context = []; |
| 6979 |
$total_chunks_used = 0; |
| 6980 |
$max_total_chunks = isset($current_options['rag_chunks_limit']) ? intval($current_options['rag_chunks_limit']) : 15; |
| 6981 |
if ($max_total_chunks < 8) $max_total_chunks = 8; |
| 6982 |
if ($max_total_chunks > 20) $max_total_chunks = 20; |
| 6983 |
$max_chunks_per_source = 5; // Cap per individual source to limit token usage |
| 6984 |
|
| 6985 |
// Check if citation links are enabled (default to 'on' for backwards compatibility) |
| 6986 |
// Use fresh options to ensure we get the latest setting value |
| 6987 |
$fresh_options = get_option('mxchat_options', []); |
| 6988 |
$citation_links_enabled = isset($fresh_options['citation_links_toggle']) ? ($fresh_options['citation_links_toggle'] === 'on') : true; |
| 6989 |
|
| 6990 |
// NEW CHUNKING LOGIC: Group results by source_url for chunk reassembly |
| 6991 |
$url_groups = array(); |
| 6992 |
|
| 6993 |
foreach ($results['matches'] as $index => $match) { |
| 6994 |
// Skip if similarity is below threshold |
| 6995 |
if ($match['score'] < $similarity_threshold) { |
| 6996 |
continue; |
| 6997 |
} |
| 6998 |
|
| 6999 |
$metadata = $match['metadata'] ?? array(); |
| 7000 |
$source_url = $metadata['source_url'] ?? ''; |
| 7001 |
$match_id = $match['id'] ?? ''; |
| 7002 |
|
| 7003 |
// LAZY ROLE CHECK: Only check role for content we're actually considering |
| 7004 |
$role_restriction = $this->get_single_vector_role($match_id, $metadata); |
| 7005 |
$has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction); |
| 7006 |
|
| 7007 |
// Skip if user doesn't have access |
| 7008 |
if (!$has_access) { |
| 7009 |
continue; |
| 7010 |
} |
| 7011 |
|
| 7012 |
// Use a unique key for manual entries without a source URL |
| 7013 |
$group_key = !empty($source_url) ? $source_url : '_manual_' . $match_id; |
| 7014 |
|
| 7015 |
// Group by source URL (or unique key for manual entries) |
| 7016 |
if (!isset($url_groups[$group_key])) { |
| 7017 |
$url_groups[$group_key] = array( |
| 7018 |
'source_url' => $source_url, |
| 7019 |
'best_score' => 0, |
| 7020 |
'is_chunked' => isset($metadata['is_chunked']) && $metadata['is_chunked'], |
| 7021 |
'chunks' => array(), |
| 7022 |
'single_text' => '' |
| 7023 |
); |
| 7024 |
} |
| 7025 |
|
| 7026 |
// Track best score for this group |
| 7027 |
if ($match['score'] > $url_groups[$group_key]['best_score']) { |
| 7028 |
$url_groups[$group_key]['best_score'] = $match['score']; |
| 7029 |
} |
| 7030 |
|
| 7031 |
// Store chunk info or single text |
| 7032 |
if ($url_groups[$group_key]['is_chunked']) { |
| 7033 |
$url_groups[$group_key]['chunks'][] = array( |
| 7034 |
'id' => $match_id, |
| 7035 |
'score' => $match['score'], |
| 7036 |
'chunk_index' => $metadata['chunk_index'] ?? 0, |
| 7037 |
'text' => $metadata['text'] ?? '' |
| 7038 |
); |
| 7039 |
} else { |
| 7040 |
// Non-chunked content - just store the text |
| 7041 |
$url_groups[$group_key]['single_text'] = $metadata['text'] ?? ''; |
| 7042 |
$url_groups[$group_key]['single_id'] = $match_id; |
| 7043 |
} |
| 7044 |
} |
| 7045 |
|
| 7046 |
// Sort URL groups by best score (highest first) |
| 7047 |
uasort($url_groups, function($a, $b) { |
| 7048 |
return $b['best_score'] <=> $a['best_score']; |
| 7049 |
}); |
| 7050 |
|
| 7051 |
// Get RAG sources limit from options (default 6, min 3, max 10) |
| 7052 |
$rag_sources_limit = isset($current_options['rag_sources_limit']) ? intval($current_options['rag_sources_limit']) : 3; |
| 7053 |
if ($rag_sources_limit < 3) $rag_sources_limit = 3; |
| 7054 |
if ($rag_sources_limit > 10) $rag_sources_limit = 10; |
| 7055 |
|
| 7056 |
// Take top N unique URLs based on user setting |
| 7057 |
$top_urls = array_slice($url_groups, 0, $rag_sources_limit, true); |
| 7058 |
|
| 7059 |
// Track which match IDs are actually used for context |
| 7060 |
foreach ($top_urls as $group) { |
| 7061 |
if ($group['is_chunked']) { |
| 7062 |
foreach ($group['chunks'] as $chunk) { |
| 7063 |
$matches_used_for_context[] = $chunk['id']; |
| 7064 |
} |
| 7065 |
} elseif (!empty($group['single_id'])) { |
| 7066 |
$matches_used_for_context[] = $group['single_id']; |
| 7067 |
} |
| 7068 |
} |
| 7069 |
|
| 7070 |
// Build content from top sources |
| 7071 |
foreach ($top_urls as $group_key => $group) { |
| 7072 |
$source_url = $group['source_url']; // Use actual source_url, not the group key |
| 7073 |
|
| 7074 |
// Stop if we've hit the total chunk limit |
| 7075 |
if ($total_chunks_used >= $max_total_chunks) { |
| 7076 |
break; |
| 7077 |
} |
| 7078 |
|
| 7079 |
$full_text = ''; |
| 7080 |
$chunks_in_this_source = 1; // Default for non-chunked content |
| 7081 |
|
| 7082 |
if ($group['is_chunked']) { |
| 7083 |
// Calculate how many chunks we can still use (respect both total and per-source caps) |
| 7084 |
$chunks_remaining = min($max_chunks_per_source, $max_total_chunks - $total_chunks_used); |
| 7085 |
|
| 7086 |
// Fetch chunks for this URL with limit |
| 7087 |
$full_text = $this->reassemble_chunks_from_pinecone($source_url, $bot_config, $chunks_remaining, $chunks_in_this_source); |
| 7088 |
|
| 7089 |
// If fetching all chunks fails, fall back to matched chunks |
| 7090 |
if (empty($full_text)) { |
| 7091 |
// Sort matched chunks by index and concatenate |
| 7092 |
usort($group['chunks'], function($a, $b) { |
| 7093 |
return $a['chunk_index'] <=> $b['chunk_index']; |
| 7094 |
}); |
| 7095 |
|
| 7096 |
$chunk_texts = array(); |
| 7097 |
$chunks_in_this_source = 0; |
| 7098 |
foreach ($group['chunks'] as $chunk) { |
| 7099 |
if ($total_chunks_used + $chunks_in_this_source >= $max_total_chunks) { |
| 7100 |
break; |
| 7101 |
} |
| 7102 |
$chunk_texts[] = $chunk['text']; |
| 7103 |
$chunks_in_this_source++; |
| 7104 |
} |
| 7105 |
$full_text = implode("\n\n", $chunk_texts); |
| 7106 |
} |
| 7107 |
} else { |
| 7108 |
$full_text = $group['single_text']; |
| 7109 |
$chunks_in_this_source = 1; |
| 7110 |
} |
| 7111 |
|
| 7112 |
if (!empty($full_text)) { |
| 7113 |
// Strip URLs from content if citation links are disabled |
| 7114 |
if (!$citation_links_enabled) { |
| 7115 |
$full_text = preg_replace('#\bhttps?://[^\s<>"\']+#i', '', $full_text); |
| 7116 |
$full_text = preg_replace('/\s+/', ' ', trim($full_text)); // Clean up extra spaces |
| 7117 |
} |
| 7118 |
|
| 7119 |
// Use numbered reference for URL-based entries, plain info label for manual entries |
| 7120 |
// Manual entries are stored with an internal mxchat:// placeholder URL — never expose them as citations |
| 7121 |
if (!empty($source_url) && $source_url !== '#' && strpos($source_url, 'mxchat://') !== 0) { |
| 7122 |
$matches_used++; |
| 7123 |
$content .= "## Reference " . $matches_used . " ##\n"; |
| 7124 |
$content .= $full_text . "\n\n"; |
| 7125 |
|
| 7126 |
// Only include citation URLs if citation links are enabled |
| 7127 |
if ($citation_links_enabled) { |
| 7128 |
$valid_urls[] = $source_url; |
| 7129 |
$content .= "URL: " . $source_url . "\n\n"; |
| 7130 |
} |
| 7131 |
|
| 7132 |
// Video-backed source → queue the consent-safe embed (03ba33) |
| 7133 |
$this->maybe_queue_youtube_embed($source_url, $full_text); |
| 7134 |
} else { |
| 7135 |
// Manual entry — no reference number, no citation. Count it as a USED |
| 7136 |
// source (plan-mxchat-20260622-c1fe6a): without this, manual/Direct-Content |
| 7137 |
// entries (empty or mxchat:// source_url) never increment $matches_used, so |
| 7138 |
// the gate below (`if ($matches_used === 0)`) discards manual-only context on |
| 7139 |
// the Pinecone backend and the model is told "No reference information was |
| 7140 |
// found" — even though the testing panel reports used_for_context:true. It |
| 7141 |
// also corrects the cosmetic sources_used:0 the panel/transcript showed. The |
| 7142 |
// sibling local/WP-DB builder gates on empty($top_urls), so it never had this |
| 7143 |
// bug; this brings Pinecone to parity. Manual entries are still uncited (not |
| 7144 |
// added to $valid_urls, no "URL:" line). |
| 7145 |
$matches_used++; |
| 7146 |
$content .= "## Information ##\n"; |
| 7147 |
$content .= $full_text . "\n\n"; |
| 7148 |
} |
| 7149 |
|
| 7150 |
// Extract any URLs from the text content itself (only if citation links enabled) |
| 7151 |
if ($citation_links_enabled) { |
| 7152 |
preg_match_all( |
| 7153 |
'#\bhttps?://[^\s<>"\']+#i', |
| 7154 |
$full_text, |
| 7155 |
$content_urls |
| 7156 |
); |
| 7157 |
if (!empty($content_urls[0])) { |
| 7158 |
$valid_urls = array_merge($valid_urls, $content_urls[0]); |
| 7159 |
} |
| 7160 |
} |
| 7161 |
|
| 7162 |
$total_chunks_used += $chunks_in_this_source; |
| 7163 |
} |
| 7164 |
} |
| 7165 |
|
| 7166 |
// Process ALL matches for testing data (top 10) - with role checking for testing display |
| 7167 |
$all_matches = []; |
| 7168 |
foreach ($results['matches'] as $index => $match) { |
| 7169 |
if ($index >= 10) break; // Limit to top 10 for testing |
| 7170 |
|
| 7171 |
$match_id = $match['id'] ?? ''; |
| 7172 |
|
| 7173 |
// Check role access for testing display (use cache if available) |
| 7174 |
$role_restriction = $this->get_single_vector_role($match_id, $match['metadata']); |
| 7175 |
$has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction); |
| 7176 |
|
| 7177 |
$source_display = ''; |
| 7178 |
if (!empty($match['metadata']['source_url'])) { |
| 7179 |
$source_display = $match['metadata']['source_url']; |
| 7180 |
} else { |
| 7181 |
$content_preview = strip_tags($match['metadata']['text'] ?? ''); |
| 7182 |
$content_preview = preg_replace('/\s+/', ' ', $content_preview); |
| 7183 |
$source_display = substr(trim($content_preview), 0, 50) . '...'; |
| 7184 |
} |
| 7185 |
|
| 7186 |
$match_id_for_display = $match['id'] ?? $index; |
| 7187 |
|
| 7188 |
// Check for chunk metadata in Pinecone |
| 7189 |
$is_chunk = isset($match['metadata']['is_chunked']) && $match['metadata']['is_chunked']; |
| 7190 |
$chunk_index = isset($match['metadata']['chunk_index']) ? intval($match['metadata']['chunk_index']) : null; |
| 7191 |
$total_chunks = isset($match['metadata']['total_chunks']) ? intval($match['metadata']['total_chunks']) : null; |
| 7192 |
|
| 7193 |
// Also detect chunk from vector ID pattern: {hash}_chunk_{index} |
| 7194 |
if (!$is_chunk && MxChat_Chunker::is_chunk_vector_id($match_id_for_display)) { |
| 7195 |
$is_chunk = true; |
| 7196 |
} |
| 7197 |
|
| 7198 |
$all_matches[] = [ |
| 7199 |
'document_id' => $match_id_for_display, |
| 7200 |
'similarity' => $match['score'], |
| 7201 |
'similarity_percentage' => round($match['score'] * 100, 2), |
| 7202 |
'above_threshold' => $match['score'] >= $similarity_threshold, |
| 7203 |
'source_display' => $source_display, |
| 7204 |
'content_preview' => substr(strip_tags($match['metadata']['text'] ?? ''), 0, 100) . '...', |
| 7205 |
'used_for_context' => in_array($match_id_for_display, $matches_used_for_context), |
| 7206 |
'role_restriction' => $role_restriction, |
| 7207 |
'has_access' => $has_access, |
| 7208 |
'filtered_out' => !$has_access, |
| 7209 |
'is_chunk' => $is_chunk, |
| 7210 |
'chunk_index' => $chunk_index, |
| 7211 |
'total_chunks' => $total_chunks |
| 7212 |
]; |
| 7213 |
} |
| 7214 |
|
| 7215 |
// Store for testing panel |
| 7216 |
$this->last_similarity_analysis['top_matches'] = $all_matches; |
| 7217 |
$this->last_similarity_analysis['total_checked'] = count($results['matches']); |
| 7218 |
$this->last_similarity_analysis['sources_used'] = $matches_used; |
| 7219 |
$this->last_similarity_analysis['total_chunks_used'] = $total_chunks_used; |
| 7220 |
|
| 7221 |
// NEW: Store unique valid URLs for validation |
| 7222 |
$this->current_valid_urls = array_unique($valid_urls); |
| 7223 |
|
| 7224 |
// Allow add-ons to act on similarity results (e.g. WooCommerce product card display) |
| 7225 |
do_action('mxchat_similarity_results', $this->last_similarity_analysis['top_matches'], $bot_id); |
| 7226 |
|
| 7227 |
// Add response guidelines |
| 7228 |
if ($matches_used === 0) { |
| 7229 |
// Empty return → assembler's NO RELEVANT CONTENT branch (plan d7daf8). |
| 7230 |
$content = ''; |
| 7231 |
} else { |
| 7232 |
// Build response guidelines based on citation links setting |
| 7233 |
$content .= "\n## Response Guidelines ##\n" . |
| 7234 |
"You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " . |
| 7235 |
"Be conversational and friendly, but never mention your knowledge base or training data. " . |
| 7236 |
"If you don't have specific information or are uncertain about any details, it's always " . |
| 7237 |
"better to honestly say you don't know rather than making up or guessing at answers. " . |
| 7238 |
"When information is incomplete, let them know you are unsure.\n\n"; |
| 7239 |
|
| 7240 |
// Only add hyperlink instructions if citation links are enabled |
| 7241 |
if ($citation_links_enabled) { |
| 7242 |
$content .= "CRITICAL: When creating hyperlinks, always use proper markdown format with descriptive text: " . |
| 7243 |
"[descriptive text](url). NEVER use empty brackets like [](url). The text in brackets must describe what the link is about. " . |
| 7244 |
"Only cite references that have a URL. Do not cite or add source labels to Information sections that have no URL."; |
| 7245 |
} else { |
| 7246 |
$content .= "IMPORTANT: Do not include any citation links, source URLs, or hyperlinks in your responses. " . |
| 7247 |
"Simply provide helpful answers based on the reference information without citing sources."; |
| 7248 |
} |
| 7249 |
} |
| 7250 |
|
| 7251 |
return trim($content); |
| 7252 |
} |
| 7253 |
|
| 7254 |
/** |
| 7255 |
* Get role restriction for a single vector (with caching) |
| 7256 |
*/ |
| 7257 |
private function get_single_vector_role($vector_id, $metadata = array()) { |
| 7258 |
global $wpdb; |
| 7259 |
|
| 7260 |
if (empty($vector_id)) { |
| 7261 |
return 'public'; |
| 7262 |
} |
| 7263 |
|
| 7264 |
// Check cache first |
| 7265 |
$cache_key = 'mxchat_vector_role_' . $vector_id; |
| 7266 |
$cached_role = wp_cache_get($cache_key, 'mxchat_vector_roles'); |
| 7267 |
|
| 7268 |
if ($cached_role !== false) { |
| 7269 |
return $cached_role; |
| 7270 |
} |
| 7271 |
|
| 7272 |
$role_restriction = 'public'; |
| 7273 |
|
| 7274 |
// First try Pinecone metadata |
| 7275 |
if (!empty($metadata['role_restriction'])) { |
| 7276 |
$role_restriction = $metadata['role_restriction']; |
| 7277 |
} else { |
| 7278 |
// Check WordPress table for user-modified roles |
| 7279 |
$roles_table = $wpdb->prefix . 'mxchat_pinecone_roles'; |
| 7280 |
$stored_role = $wpdb->get_var($wpdb->prepare( |
| 7281 |
"SELECT role_restriction FROM {$roles_table} WHERE vector_id = %s", |
| 7282 |
$vector_id |
| 7283 |
)); |
| 7284 |
|
| 7285 |
if ($stored_role) { |
| 7286 |
$role_restriction = $stored_role; |
| 7287 |
} |
| 7288 |
} |
| 7289 |
|
| 7290 |
// Cache individual role for 1 hour |
| 7291 |
wp_cache_set($cache_key, $role_restriction, 'mxchat_vector_roles', 3600); |
| 7292 |
|
| 7293 |
return $role_restriction; |
| 7294 |
} |
| 7295 |
|
| 7296 |
/** |
| 7297 |
* Fetch and reassemble all chunks for a URL from Pinecone |
| 7298 |
* |
| 7299 |
* @param string $source_url The source URL to fetch chunks for |
| 7300 |
* @param array $bot_config Bot-specific Pinecone configuration |
| 7301 |
* @return string Reassembled content from all chunks |
| 7302 |
*/ |
| 7303 |
private function reassemble_chunks_from_pinecone($source_url, $bot_config, $max_chunks = 0, &$chunk_count = 0) { |
| 7304 |
$api_key = $bot_config['api_key'] ?? ''; |
| 7305 |
$host = $bot_config['host'] ?? ''; |
| 7306 |
$namespace = $bot_config['namespace'] ?? ''; |
| 7307 |
|
| 7308 |
if (empty($host) || empty($api_key)) { |
| 7309 |
$chunk_count = 0; |
| 7310 |
return ''; |
| 7311 |
} |
| 7312 |
|
| 7313 |
$base_hash = md5($source_url); |
| 7314 |
|
| 7315 |
// Use Pinecone list API to find all chunk vectors with this prefix |
| 7316 |
$list_url = "https://{$host}/vectors/list"; |
| 7317 |
|
| 7318 |
// Limit to max_chunks if specified, otherwise fetch up to 100 |
| 7319 |
$fetch_limit = ($max_chunks > 0 && $max_chunks < 100) ? $max_chunks : 100; |
| 7320 |
|
| 7321 |
$list_body = array( |
| 7322 |
'prefix' => $base_hash . '_chunk_', |
| 7323 |
'limit' => $fetch_limit |
| 7324 |
); |
| 7325 |
|
| 7326 |
if (!empty($namespace)) { |
| 7327 |
$list_body['namespace'] = $namespace; |
| 7328 |
} |
| 7329 |
|
| 7330 |
$list_response = wp_remote_post($list_url, array( |
| 7331 |
'headers' => array( |
| 7332 |
'Api-Key' => $api_key, |
| 7333 |
'accept' => 'application/json', |
| 7334 |
'content-type' => 'application/json' |
| 7335 |
), |
| 7336 |
'body' => wp_json_encode($list_body), |
| 7337 |
'timeout' => 30 |
| 7338 |
)); |
| 7339 |
|
| 7340 |
if (is_wp_error($list_response)) { |
| 7341 |
//error_log('[MXCHAT-CHUNK] List API error: ' . $list_response->get_error_message()); |
| 7342 |
return ''; |
| 7343 |
} |
| 7344 |
|
| 7345 |
$list_data = json_decode(wp_remote_retrieve_body($list_response), true); |
| 7346 |
|
| 7347 |
if (empty($list_data['vectors'])) { |
| 7348 |
//error_log('[MXCHAT-CHUNK] No chunk vectors found for URL: ' . $source_url); |
| 7349 |
return ''; |
| 7350 |
} |
| 7351 |
|
| 7352 |
// Extract vector IDs |
| 7353 |
$vector_ids = array(); |
| 7354 |
foreach ($list_data['vectors'] as $vector) { |
| 7355 |
if (isset($vector['id'])) { |
| 7356 |
$vector_ids[] = $vector['id']; |
| 7357 |
} |
| 7358 |
} |
| 7359 |
|
| 7360 |
if (empty($vector_ids)) { |
| 7361 |
return ''; |
| 7362 |
} |
| 7363 |
|
| 7364 |
// Fetch all chunk content |
| 7365 |
$fetch_url = "https://{$host}/vectors/fetch"; |
| 7366 |
|
| 7367 |
$fetch_body = array( |
| 7368 |
'ids' => $vector_ids |
| 7369 |
); |
| 7370 |
|
| 7371 |
if (!empty($namespace)) { |
| 7372 |
$fetch_body['namespace'] = $namespace; |
| 7373 |
} |
| 7374 |
|
| 7375 |
$fetch_response = wp_remote_post($fetch_url, array( |
| 7376 |
'headers' => array( |
| 7377 |
'Api-Key' => $api_key, |
| 7378 |
'accept' => 'application/json', |
| 7379 |
'content-type' => 'application/json' |
| 7380 |
), |
| 7381 |
'body' => wp_json_encode($fetch_body), |
| 7382 |
'timeout' => 30 |
| 7383 |
)); |
| 7384 |
|
| 7385 |
if (is_wp_error($fetch_response)) { |
| 7386 |
//error_log('[MXCHAT-CHUNK] Fetch API error: ' . $fetch_response->get_error_message()); |
| 7387 |
return ''; |
| 7388 |
} |
| 7389 |
|
| 7390 |
$fetch_data = json_decode(wp_remote_retrieve_body($fetch_response), true); |
| 7391 |
|
| 7392 |
if (empty($fetch_data['vectors'])) { |
| 7393 |
return ''; |
| 7394 |
} |
| 7395 |
|
| 7396 |
// Sort chunks by index and reassemble |
| 7397 |
$chunks = array(); |
| 7398 |
foreach ($fetch_data['vectors'] as $id => $vector) { |
| 7399 |
$metadata = $vector['metadata'] ?? array(); |
| 7400 |
$chunk_index = $metadata['chunk_index'] ?? 0; |
| 7401 |
$text = $metadata['text'] ?? ''; |
| 7402 |
|
| 7403 |
// Store chunk with its index |
| 7404 |
$chunks[$chunk_index] = $text; |
| 7405 |
} |
| 7406 |
|
| 7407 |
// Sort by chunk index |
| 7408 |
ksort($chunks); |
| 7409 |
|
| 7410 |
// Apply chunk limit if specified |
| 7411 |
if ($max_chunks > 0 && count($chunks) > $max_chunks) { |
| 7412 |
$chunks = array_slice($chunks, 0, $max_chunks, true); |
| 7413 |
} |
| 7414 |
|
| 7415 |
// Store actual chunk count |
| 7416 |
$chunk_count = count($chunks); |
| 7417 |
|
| 7418 |
// Reassemble content |
| 7419 |
return implode("\n\n", $chunks); |
| 7420 |
} |
| 7421 |
|
| 7422 |
/** |
| 7423 |
* Search for relevant content using OpenAI Vector Store (File Search) |
| 7424 |
* |
| 7425 |
* @param string $user_query The user's query text |
| 7426 |
* @param string $bot_id The bot ID |
| 7427 |
* @param array $vectorstore_config Vector Store configuration |
| 7428 |
* @return string Formatted context string with references |
| 7429 |
*/ |
| 7430 |
private function find_relevant_content_openai_vectorstore($user_query, $bot_id = 'default', $vectorstore_config = array()) { |
| 7431 |
//error_log("MXCHAT DEBUG: find_relevant_content_openai_vectorstore called"); |
| 7432 |
//error_log(" - bot_id: " . $bot_id); |
| 7433 |
//error_log(" - user_query length: " . strlen($user_query)); |
| 7434 |
|
| 7435 |
// Get OpenAI API key |
| 7436 |
$mxchat_options = get_option('mxchat_options', array()); |
| 7437 |
$api_key = $mxchat_options['api_key'] ?? ''; |
| 7438 |
|
| 7439 |
// Reset vectorstore error tracking |
| 7440 |
$this->last_vectorstore_error = null; |
| 7441 |
|
| 7442 |
if (empty($api_key)) { |
| 7443 |
//error_log("MXCHAT DEBUG ERROR: OpenAI API key not configured"); |
| 7444 |
$this->last_vectorstore_error = 'Vector Store search failed: OpenAI API key is not configured.'; |
| 7445 |
$this->current_valid_urls = []; |
| 7446 |
return ''; |
| 7447 |
} |
| 7448 |
|
| 7449 |
// Get Vector Store configuration |
| 7450 |
if (empty($vectorstore_config)) { |
| 7451 |
$vectorstore_config = $this->get_bot_vectorstore_config($bot_id); |
| 7452 |
} |
| 7453 |
|
| 7454 |
$vectorstore_ids_string = $vectorstore_config['vectorstore_ids'] ?? ''; |
| 7455 |
$max_results = $vectorstore_config['max_results'] ?? 5; |
| 7456 |
|
| 7457 |
if (empty($vectorstore_ids_string)) { |
| 7458 |
//error_log("MXCHAT DEBUG ERROR: No Vector Store IDs configured"); |
| 7459 |
$this->last_vectorstore_error = 'Vector Store search failed: No Vector Store IDs are configured for this bot.'; |
| 7460 |
$this->current_valid_urls = []; |
| 7461 |
return ''; |
| 7462 |
} |
| 7463 |
|
| 7464 |
// Parse Vector Store IDs |
| 7465 |
$vectorstore_ids = array_map('trim', explode(',', $vectorstore_ids_string)); |
| 7466 |
$vectorstore_ids = array_filter($vectorstore_ids); // Remove empty values |
| 7467 |
|
| 7468 |
//error_log("MXCHAT DEBUG: Vector Store IDs: " . implode(', ', $vectorstore_ids)); |
| 7469 |
//error_log("MXCHAT DEBUG: Max results: " . $max_results); |
| 7470 |
|
| 7471 |
// Initialize similarity analysis storage |
| 7472 |
$this->last_similarity_analysis = [ |
| 7473 |
'knowledge_base_type' => 'OpenAI Vector Store', |
| 7474 |
'bot_id' => $bot_id, |
| 7475 |
'vectorstore_ids' => $vectorstore_ids, |
| 7476 |
'top_matches' => [], |
| 7477 |
'threshold_used' => 0, |
| 7478 |
'total_checked' => 0 |
| 7479 |
]; |
| 7480 |
|
| 7481 |
$valid_urls = []; |
| 7482 |
|
| 7483 |
// Get the selected model |
| 7484 |
$bot_options = $this->get_bot_options($bot_id); |
| 7485 |
$current_options = !empty($bot_options) ? $bot_options : $mxchat_options; |
| 7486 |
$selected_model = $current_options['model'] ?? 'gpt-5.6-sol'; |
| 7487 |
|
| 7488 |
// Verify it's an OpenAI model |
| 7489 |
if (!$this->is_openai_chat_model($selected_model)) { |
| 7490 |
//error_log("MXCHAT DEBUG ERROR: Vector Store search requires OpenAI model. Current: " . $selected_model); |
| 7491 |
$this->last_vectorstore_error = 'Vector Store search requires an OpenAI model. Current model: ' . $selected_model; |
| 7492 |
$this->current_valid_urls = []; |
| 7493 |
return ''; |
| 7494 |
} |
| 7495 |
|
| 7496 |
// Use OpenAI Responses API with file_search tool |
| 7497 |
$request_body = array( |
| 7498 |
'model' => $selected_model, |
| 7499 |
'input' => $user_query, |
| 7500 |
'tools' => array( |
| 7501 |
array( |
| 7502 |
'type' => 'file_search', |
| 7503 |
'vector_store_ids' => $vectorstore_ids, |
| 7504 |
'max_num_results' => intval($max_results) |
| 7505 |
) |
| 7506 |
), |
| 7507 |
'include' => array('output[*].file_search_call.search_results') |
| 7508 |
); |
| 7509 |
|
| 7510 |
//error_log("MXCHAT VECTORSTORE: ========== REQUEST START =========="); |
| 7511 |
//error_log("MXCHAT VECTORSTORE: Model: " . $selected_model); |
| 7512 |
//error_log("MXCHAT VECTORSTORE: Query: " . substr($user_query, 0, 200)); |
| 7513 |
//error_log("MXCHAT VECTORSTORE: Vector Store IDs: " . implode(', ', $vectorstore_ids)); |
| 7514 |
//error_log("MXCHAT VECTORSTORE: Max Results: " . $max_results); |
| 7515 |
//error_log("MXCHAT VECTORSTORE: Request body: " . wp_json_encode($request_body)); |
| 7516 |
|
| 7517 |
$response = wp_remote_post('https://api.openai.com/v1/responses', array( |
| 7518 |
'headers' => array( |
| 7519 |
'Authorization' => 'Bearer ' . $api_key, |
| 7520 |
'Content-Type' => 'application/json' |
| 7521 |
), |
| 7522 |
'body' => wp_json_encode($request_body), |
| 7523 |
'timeout' => 60 |
| 7524 |
)); |
| 7525 |
|
| 7526 |
if (is_wp_error($response)) { |
| 7527 |
//error_log("MXCHAT VECTORSTORE ERROR: WP Error: " . $response->get_error_message()); |
| 7528 |
$this->last_vectorstore_error = 'Vector Store API request failed: ' . $response->get_error_message(); |
| 7529 |
$this->current_valid_urls = []; |
| 7530 |
return ''; |
| 7531 |
} |
| 7532 |
|
| 7533 |
$response_code = wp_remote_retrieve_response_code($response); |
| 7534 |
//error_log("MXCHAT VECTORSTORE: Response code: " . $response_code); |
| 7535 |
|
| 7536 |
$response_body = wp_remote_retrieve_body($response); |
| 7537 |
//error_log("MXCHAT VECTORSTORE: Raw response (first 2000 chars): " . substr($response_body, 0, 2000)); |
| 7538 |
|
| 7539 |
if ($response_code !== 200) { |
| 7540 |
//error_log("MXCHAT VECTORSTORE ERROR: API error response: " . $response_body); |
| 7541 |
$decoded_error = json_decode($response_body, true); |
| 7542 |
$api_error_detail = $this->extract_provider_error($decoded_error, ''); |
| 7543 |
$this->last_vectorstore_error = 'Vector Store API returned HTTP ' . $response_code . ($api_error_detail ? ': ' . $api_error_detail : ''); |
| 7544 |
$this->current_valid_urls = []; |
| 7545 |
return ''; |
| 7546 |
} |
| 7547 |
$result = json_decode($response_body, true); |
| 7548 |
|
| 7549 |
if (json_last_error() !== JSON_ERROR_NONE) { |
| 7550 |
//error_log("MXCHAT VECTORSTORE ERROR: JSON decode error: " . json_last_error_msg()); |
| 7551 |
$this->last_vectorstore_error = 'Vector Store response could not be parsed: ' . json_last_error_msg(); |
| 7552 |
$this->current_valid_urls = []; |
| 7553 |
return ''; |
| 7554 |
} |
| 7555 |
|
| 7556 |
// Debug: Log the structure of the result |
| 7557 |
//error_log("MXCHAT VECTORSTORE: Result keys: " . implode(', ', array_keys($result))); |
| 7558 |
if (isset($result['output'])) { |
| 7559 |
//error_log("MXCHAT VECTORSTORE: Output count: " . count($result['output'])); |
| 7560 |
foreach ($result['output'] as $idx => $out) { |
| 7561 |
//error_log("MXCHAT VECTORSTORE: Output[$idx] type: " . ($out['type'] ?? 'unknown')); |
| 7562 |
//error_log("MXCHAT VECTORSTORE: Output[$idx] keys: " . implode(', ', array_keys($out))); |
| 7563 |
} |
| 7564 |
} else { |
| 7565 |
//error_log("MXCHAT VECTORSTORE: No 'output' key in result!"); |
| 7566 |
} |
| 7567 |
|
| 7568 |
// Extract file search results from the response |
| 7569 |
$content = ''; |
| 7570 |
$matches_used = 0; |
| 7571 |
$all_matches = []; |
| 7572 |
|
| 7573 |
// The Responses API returns output array with tool results |
| 7574 |
if (isset($result['output']) && is_array($result['output'])) { |
| 7575 |
foreach ($result['output'] as $output_item) { |
| 7576 |
// Look for file_search_call results |
| 7577 |
if (isset($output_item['type']) && $output_item['type'] === 'file_search_call') { |
| 7578 |
//error_log("MXCHAT VECTORSTORE: Found file_search_call output item"); |
| 7579 |
//error_log("MXCHAT VECTORSTORE: file_search_call keys: " . implode(', ', array_keys($output_item))); |
| 7580 |
|
| 7581 |
// Check for search_results in the output item directly |
| 7582 |
$search_results = $output_item['search_results'] ?? $output_item['results'] ?? []; |
| 7583 |
//error_log("MXCHAT VECTORSTORE: Search results count: " . count($search_results)); |
| 7584 |
|
| 7585 |
if (empty($search_results)) { |
| 7586 |
//error_log("MXCHAT VECTORSTORE: No search results found in file_search_call"); |
| 7587 |
//error_log("MXCHAT VECTORSTORE: file_search_call content: " . wp_json_encode($output_item)); |
| 7588 |
} |
| 7589 |
|
| 7590 |
foreach ($search_results as $index => $search_result) { |
| 7591 |
$filename = $search_result['filename'] ?? ''; |
| 7592 |
$score = $search_result['score'] ?? 0; |
| 7593 |
$text_content = ''; |
| 7594 |
|
| 7595 |
// Extract text content from the result |
| 7596 |
// The text can be directly on the result OR nested under content array |
| 7597 |
if (isset($search_result['text']) && !empty($search_result['text'])) { |
| 7598 |
// Direct text field (OpenAI's actual format) |
| 7599 |
$text_content = $search_result['text']; |
| 7600 |
//error_log("MXCHAT VECTORSTORE: Found text directly on result[$index], length: " . strlen($text_content)); |
| 7601 |
} elseif (isset($search_result['content']) && is_array($search_result['content'])) { |
| 7602 |
// Nested content array format |
| 7603 |
foreach ($search_result['content'] as $content_item) { |
| 7604 |
if (isset($content_item['text'])) { |
| 7605 |
$text_content .= $content_item['text'] . "\n"; |
| 7606 |
} |
| 7607 |
} |
| 7608 |
//error_log("MXCHAT VECTORSTORE: Found text in content array for result[$index], length: " . strlen($text_content)); |
| 7609 |
} else { |
| 7610 |
//error_log("MXCHAT VECTORSTORE: No text found for result[$index]. Keys: " . implode(', ', array_keys($search_result))); |
| 7611 |
} |
| 7612 |
|
| 7613 |
if (!empty($text_content)) { |
| 7614 |
$content .= "## Reference " . ($matches_used + 1) . " ##\n"; |
| 7615 |
$content .= trim($text_content) . "\n\n"; |
| 7616 |
|
| 7617 |
if (!empty($filename)) { |
| 7618 |
$content .= "Source: " . $filename . "\n\n"; |
| 7619 |
} |
| 7620 |
|
| 7621 |
// Extract URLs from content |
| 7622 |
preg_match_all( |
| 7623 |
'#\bhttps?://[^\s<>"\']+#i', |
| 7624 |
$text_content, |
| 7625 |
$content_urls |
| 7626 |
); |
| 7627 |
if (!empty($content_urls[0])) { |
| 7628 |
$valid_urls = array_merge($valid_urls, $content_urls[0]); |
| 7629 |
} |
| 7630 |
|
| 7631 |
$matches_used++; |
| 7632 |
} |
| 7633 |
|
| 7634 |
// Store for similarity analysis |
| 7635 |
$all_matches[] = [ |
| 7636 |
'document_id' => $filename ?: ('result_' . $index), |
| 7637 |
'similarity' => $score, |
| 7638 |
'similarity_percentage' => round($score * 100, 2), |
| 7639 |
'above_threshold' => true, |
| 7640 |
'source_display' => $filename, |
| 7641 |
'content_preview' => substr(strip_tags($text_content), 0, 100) . '...', |
| 7642 |
'used_for_context' => true, |
| 7643 |
'role_restriction' => 'public', |
| 7644 |
'has_access' => true, |
| 7645 |
'filtered_out' => false |
| 7646 |
]; |
| 7647 |
} |
| 7648 |
} |
| 7649 |
|
| 7650 |
// Also check for message content with annotations (citations) |
| 7651 |
if (isset($output_item['type']) && $output_item['type'] === 'message') { |
| 7652 |
if (isset($output_item['content']) && is_array($output_item['content'])) { |
| 7653 |
foreach ($output_item['content'] as $content_block) { |
| 7654 |
if (isset($content_block['annotations']) && is_array($content_block['annotations'])) { |
| 7655 |
foreach ($content_block['annotations'] as $annotation) { |
| 7656 |
if (isset($annotation['filename'])) { |
| 7657 |
$filename = $annotation['filename']; |
| 7658 |
$score = $annotation['score'] ?? 0; |
| 7659 |
$text_content = ''; |
| 7660 |
|
| 7661 |
if (isset($annotation['content']) && is_array($annotation['content'])) { |
| 7662 |
foreach ($annotation['content'] as $ann_content) { |
| 7663 |
if (isset($ann_content['text'])) { |
| 7664 |
$text_content .= $ann_content['text'] . "\n"; |
| 7665 |
} |
| 7666 |
} |
| 7667 |
} |
| 7668 |
|
| 7669 |
if (!empty($text_content) && $matches_used < $max_results) { |
| 7670 |
$content .= "## Reference " . ($matches_used + 1) . " ##\n"; |
| 7671 |
$content .= trim($text_content) . "\n\n"; |
| 7672 |
$content .= "Source: " . $filename . "\n\n"; |
| 7673 |
|
| 7674 |
preg_match_all( |
| 7675 |
'#\bhttps?://[^\s<>"\']+#i', |
| 7676 |
$text_content, |
| 7677 |
$content_urls |
| 7678 |
); |
| 7679 |
if (!empty($content_urls[0])) { |
| 7680 |
$valid_urls = array_merge($valid_urls, $content_urls[0]); |
| 7681 |
} |
| 7682 |
|
| 7683 |
$matches_used++; |
| 7684 |
|
| 7685 |
$all_matches[] = [ |
| 7686 |
'document_id' => $filename, |
| 7687 |
'similarity' => $score, |
| 7688 |
'similarity_percentage' => round($score * 100, 2), |
| 7689 |
'above_threshold' => true, |
| 7690 |
'source_display' => $filename, |
| 7691 |
'content_preview' => substr(strip_tags($text_content), 0, 100) . '...', |
| 7692 |
'used_for_context' => true, |
| 7693 |
'role_restriction' => 'public', |
| 7694 |
'has_access' => true, |
| 7695 |
'filtered_out' => false |
| 7696 |
]; |
| 7697 |
} |
| 7698 |
} |
| 7699 |
} |
| 7700 |
} |
| 7701 |
} |
| 7702 |
} |
| 7703 |
} |
| 7704 |
} |
| 7705 |
} |
| 7706 |
|
| 7707 |
// Store for testing panel |
| 7708 |
$this->last_similarity_analysis['top_matches'] = $all_matches; |
| 7709 |
$this->last_similarity_analysis['total_checked'] = count($all_matches); |
| 7710 |
|
| 7711 |
// Store unique valid URLs for validation |
| 7712 |
$this->current_valid_urls = array_unique($valid_urls); |
| 7713 |
|
| 7714 |
// Allow add-ons to act on similarity results (e.g. WooCommerce product card display) |
| 7715 |
do_action('mxchat_similarity_results', $this->last_similarity_analysis['top_matches'], $bot_id); |
| 7716 |
|
| 7717 |
//error_log("MXCHAT VECTORSTORE: ========== SEARCH COMPLETE =========="); |
| 7718 |
//error_log("MXCHAT VECTORSTORE: Matches used: " . $matches_used); |
| 7719 |
//error_log("MXCHAT VECTORSTORE: All matches count: " . count($all_matches)); |
| 7720 |
//error_log("MXCHAT VECTORSTORE: Content length: " . strlen($content)); |
| 7721 |
if ($matches_used > 0) { |
| 7722 |
//error_log("MXCHAT VECTORSTORE: Content preview: " . substr($content, 0, 500)); |
| 7723 |
} |
| 7724 |
|
| 7725 |
// Check if citation links are enabled |
| 7726 |
$citation_links_enabled = ($mxchat_options['citation_links_toggle'] ?? 'on') === 'on'; |
| 7727 |
|
| 7728 |
// Add response guidelines |
| 7729 |
if ($matches_used === 0) { |
| 7730 |
//error_log("MXCHAT VECTORSTORE: No matches found - returning empty reference message"); |
| 7731 |
// Empty return → assembler's NO RELEVANT CONTENT branch (plan d7daf8). |
| 7732 |
$content = ''; |
| 7733 |
} else { |
| 7734 |
// Build response guidelines based on citation links setting |
| 7735 |
$content .= "\n## Response Guidelines ##\n" . |
| 7736 |
"You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " . |
| 7737 |
"Be conversational and friendly, but never mention your knowledge base or training data. " . |
| 7738 |
"If you don't have specific information or are uncertain about any details, it's always " . |
| 7739 |
"better to honestly say you don't know rather than making up or guessing at answers. " . |
| 7740 |
"When information is incomplete, let them know you are unsure.\n\n"; |
| 7741 |
|
| 7742 |
// Only add hyperlink instructions if citation links are enabled |
| 7743 |
if ($citation_links_enabled) { |
| 7744 |
$content .= "CRITICAL: When creating hyperlinks, always use proper markdown format with descriptive text: " . |
| 7745 |
"[descriptive text](url). NEVER use empty brackets like [](url). The text in brackets must describe what the link is about."; |
| 7746 |
} else { |
| 7747 |
$content .= "IMPORTANT: Do not include any citation links, source URLs, or hyperlinks in your responses. " . |
| 7748 |
"Simply provide helpful answers based on the reference information without citing sources."; |
| 7749 |
} |
| 7750 |
} |
| 7751 |
|
| 7752 |
//error_log("MXCHAT DEBUG: Vector Store search complete. Matches used: " . $matches_used); |
| 7753 |
|
| 7754 |
return trim($content); |
| 7755 |
} |
| 7756 |
|
| 7757 |
/** |
| 7758 |
* Check if the given model is an OpenAI chat model |
| 7759 |
* |
| 7760 |
* @param string $model The model ID |
| 7761 |
* @return bool True if it's an OpenAI model |
| 7762 |
*/ |
| 7763 |
private function is_openai_chat_model($model) { |
| 7764 |
$openai_prefixes = array('gpt-', 'o1-', 'o3-'); |
| 7765 |
foreach ($openai_prefixes as $prefix) { |
| 7766 |
if (strpos($model, $prefix) === 0) { |
| 7767 |
return true; |
| 7768 |
} |
| 7769 |
} |
| 7770 |
return false; |
| 7771 |
} |
| 7772 |
|
| 7773 |
/** |
| 7774 |
* Get bot-specific Vector Store configuration |
| 7775 |
* |
| 7776 |
* @param string $bot_id The bot ID |
| 7777 |
* @return array Configuration array |
| 7778 |
*/ |
| 7779 |
private function get_bot_vectorstore_config($bot_id = 'default') { |
| 7780 |
// Admin Testing tab bot → resolve the DEFAULT bot's backend (see |
| 7781 |
// get_bot_pinecone_config). This getter already passes the real default |
| 7782 |
// config into the filter, so it was not broken — normalized anyway so the |
| 7783 |
// Testing bot can never drift from the front-end default. |
| 7784 |
if ($bot_id === 'testing') { |
| 7785 |
$bot_id = 'default'; |
| 7786 |
} |
| 7787 |
|
| 7788 |
$vectorstore_options = get_option('mxchat_openai_vectorstore_options', array()); |
| 7789 |
|
| 7790 |
// Default global settings |
| 7791 |
$default_config = array( |
| 7792 |
'use_vectorstore' => ($vectorstore_options['mxchat_use_openai_vectorstore'] ?? '0') === '1', |
| 7793 |
'vectorstore_ids' => $vectorstore_options['mxchat_vectorstore_ids'] ?? '', |
| 7794 |
'max_results' => $vectorstore_options['mxchat_vectorstore_max_results'] ?? 5 |
| 7795 |
); |
| 7796 |
|
| 7797 |
// Allow multi-bot plugin to override with bot-specific settings |
| 7798 |
$bot_config = apply_filters('mxchat_get_bot_vectorstore_config', $default_config, $bot_id); |
| 7799 |
|
| 7800 |
// Preserve max_results from global settings if not set in bot config |
| 7801 |
if (!isset($bot_config['max_results'])) { |
| 7802 |
$bot_config['max_results'] = $default_config['max_results']; |
| 7803 |
} |
| 7804 |
|
| 7805 |
return $bot_config; |
| 7806 |
} |
| 7807 |
|
| 7808 |
private function mxchat_find_relevant_products($user_embedding) { |
| 7809 |
//error_log('MXChat Vector Search: Starting product search...'); |
| 7810 |
|
| 7811 |
// Retrieve the add-on settings from the database |
| 7812 |
$addon_options = get_option('mxchat_pinecone_addon_options', array()); |
| 7813 |
|
| 7814 |
// Determine whether Pinecone is enabled |
| 7815 |
$use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1') ? 1 : 0; |
| 7816 |
|
| 7817 |
//error_log('Pinecone enabled flag: ' . $use_pinecone); |
| 7818 |
|
| 7819 |
if ($use_pinecone === 1) { |
| 7820 |
//error_log('MXChat Vector Search: Using Pinecone database for products'); |
| 7821 |
return $this->find_relevant_products_pinecone($user_embedding); |
| 7822 |
} else { |
| 7823 |
//error_log('MXChat Vector Search: Using WordPress database for products'); |
| 7824 |
return $this->find_relevant_products_wordpress($user_embedding); |
| 7825 |
} |
| 7826 |
} |
| 7827 |
private function find_relevant_products_wordpress($user_embedding) { |
| 7828 |
global $wpdb; |
| 7829 |
$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 7830 |
|
| 7831 |
if (!is_array($user_embedding)) { |
| 7832 |
return ''; |
| 7833 |
} |
| 7834 |
|
| 7835 |
// Streaming top-K pass: scan rows in small batches, keep only the top 3 |
| 7836 |
// results above the similarity threshold. Peak memory is bounded by |
| 7837 |
// $batch_size embedding rows plus a 3-element top list. |
| 7838 |
$batch_size = 250; |
| 7839 |
$similarity_threshold = 0.85; |
| 7840 |
$top_k = 3; |
| 7841 |
$top_results = []; |
| 7842 |
$offset = 0; |
| 7843 |
|
| 7844 |
do { |
| 7845 |
$batch = $wpdb->get_results($wpdb->prepare( |
| 7846 |
"SELECT id, embedding_vector |
| 7847 |
FROM {$system_prompt_table} |
| 7848 |
LIMIT %d OFFSET %d", |
| 7849 |
$batch_size, |
| 7850 |
$offset |
| 7851 |
)); |
| 7852 |
|
| 7853 |
if (empty($batch)) { |
| 7854 |
break; |
| 7855 |
} |
| 7856 |
|
| 7857 |
foreach ($batch as $row) { |
| 7858 |
$database_embedding = $row->embedding_vector |
| 7859 |
? unserialize($row->embedding_vector, ['allowed_classes' => false]) |
| 7860 |
: null; |
| 7861 |
|
| 7862 |
if (!is_array($database_embedding)) { |
| 7863 |
unset($database_embedding); |
| 7864 |
continue; |
| 7865 |
} |
| 7866 |
|
| 7867 |
$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding); |
| 7868 |
unset($database_embedding); |
| 7869 |
|
| 7870 |
if ($similarity < $similarity_threshold) { |
| 7871 |
continue; |
| 7872 |
} |
| 7873 |
|
| 7874 |
// Insert into bounded top-K (kept sorted descending) |
| 7875 |
if (count($top_results) < $top_k) { |
| 7876 |
$top_results[] = ['id' => $row->id, 'similarity' => $similarity]; |
| 7877 |
usort($top_results, function ($a, $b) { |
| 7878 |
return $b['similarity'] <=> $a['similarity']; |
| 7879 |
}); |
| 7880 |
} elseif ($similarity > $top_results[$top_k - 1]['similarity']) { |
| 7881 |
$top_results[$top_k - 1] = ['id' => $row->id, 'similarity' => $similarity]; |
| 7882 |
usort($top_results, function ($a, $b) { |
| 7883 |
return $b['similarity'] <=> $a['similarity']; |
| 7884 |
}); |
| 7885 |
} |
| 7886 |
} |
| 7887 |
|
| 7888 |
unset($batch); |
| 7889 |
$offset += $batch_size; |
| 7890 |
} while (true); |
| 7891 |
|
| 7892 |
if (empty($top_results)) { |
| 7893 |
return ''; |
| 7894 |
} |
| 7895 |
|
| 7896 |
$content = ''; |
| 7897 |
foreach ($top_results as $result) { |
| 7898 |
$chunk_content = $this->fetch_content_with_product_links($result['id']); |
| 7899 |
$content .= $chunk_content . "\n\n"; |
| 7900 |
} |
| 7901 |
|
| 7902 |
return trim($content); |
| 7903 |
} |
| 7904 |
|
| 7905 |
|
| 7906 |
private function find_relevant_products_pinecone($user_embedding) { |
| 7907 |
//error_log('Starting Pinecone product search...'); |
| 7908 |
|
| 7909 |
$options = get_option('mxchat_pinecone_addon_options', array()); |
| 7910 |
$api_key = $options['mxchat_pinecone_api_key'] ?? ''; |
| 7911 |
$host = $options['mxchat_pinecone_host'] ?? ''; |
| 7912 |
|
| 7913 |
if (empty($host) || empty($api_key)) { |
| 7914 |
//error_log('Pinecone credentials not properly configured for product search'); |
| 7915 |
return ''; |
| 7916 |
} |
| 7917 |
|
| 7918 |
$similarity_threshold = 0.85; |
| 7919 |
$api_endpoint = "https://{$host}/query"; |
| 7920 |
|
| 7921 |
$request_body = array( |
| 7922 |
'vector' => $user_embedding, |
| 7923 |
'topK' => 5, |
| 7924 |
'includeMetadata' => true, |
| 7925 |
'includeValues' => true, |
| 7926 |
'filter' => array( |
| 7927 |
'type' => 'product' |
| 7928 |
) |
| 7929 |
); |
| 7930 |
|
| 7931 |
//error_log('Sending request to Pinecone with body: ' . wp_json_encode($request_body)); |
| 7932 |
|
| 7933 |
$response = wp_remote_post($api_endpoint, array( |
| 7934 |
'headers' => array( |
| 7935 |
'Api-Key' => $api_key, |
| 7936 |
'accept' => 'application/json', |
| 7937 |
'content-type' => 'application/json' |
| 7938 |
), |
| 7939 |
'body' => wp_json_encode($request_body), |
| 7940 |
'timeout' => 30 |
| 7941 |
)); |
| 7942 |
|
| 7943 |
if (is_wp_error($response)) { |
| 7944 |
//error_log('Pinecone product query error: ' . $response->get_error_message()); |
| 7945 |
return ''; |
| 7946 |
} |
| 7947 |
|
| 7948 |
$response_code = wp_remote_retrieve_response_code($response); |
| 7949 |
//error_log('Pinecone response code: ' . $response_code); |
| 7950 |
|
| 7951 |
if ($response_code !== 200) { |
| 7952 |
//error_log('Pinecone API error during product search: ' . wp_remote_retrieve_body($response)); |
| 7953 |
return ''; |
| 7954 |
} |
| 7955 |
|
| 7956 |
$results = json_decode(wp_remote_retrieve_body($response), true); |
| 7957 |
//error_log('Pinecone raw response: ' . wp_remote_retrieve_body($response)); |
| 7958 |
|
| 7959 |
if (empty($results['matches'])) { |
| 7960 |
//error_log('No matches found in Pinecone response'); |
| 7961 |
return ''; |
| 7962 |
} |
| 7963 |
|
| 7964 |
$content = ''; |
| 7965 |
foreach ($results['matches'] as $match) { |
| 7966 |
if ($match['score'] < $similarity_threshold) { |
| 7967 |
//error_log("Match below threshold: " . $match['score']); |
| 7968 |
continue; |
| 7969 |
} |
| 7970 |
|
| 7971 |
if (!empty($match['metadata']['text'])) { |
| 7972 |
$content .= $match['metadata']['text']; |
| 7973 |
if (!empty($match['metadata']['source_url'])) { |
| 7974 |
$content .= "\n\nFor more details, check out this product: " . esc_url($match['metadata']['source_url']); |
| 7975 |
} |
| 7976 |
$content .= "\n\n"; |
| 7977 |
} |
| 7978 |
} |
| 7979 |
|
| 7980 |
return trim($content); |
| 7981 |
} |
| 7982 |
|
| 7983 |
|
| 7984 |
private function fetch_content_with_product_links($most_relevant_id) { |
| 7985 |
global $wpdb; |
| 7986 |
$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 7987 |
|
| 7988 |
// Fetch the article content and associated product URL |
| 7989 |
$query = $wpdb->prepare("SELECT article_content, source_url FROM {$system_prompt_table} WHERE id = %d", $most_relevant_id); |
| 7990 |
$result = $wpdb->get_row($query); |
| 7991 |
|
| 7992 |
if ($result) { |
| 7993 |
// Append the product link to the content if available |
| 7994 |
$content = $result->article_content; |
| 7995 |
if (!empty($result->source_url)) { |
| 7996 |
$content .= "\n\nFor more details, check out this product: " . esc_url($result->source_url); |
| 7997 |
} |
| 7998 |
return $content; |
| 7999 |
} |
| 8000 |
|
| 8001 |
return null; |
| 8002 |
} |
| 8003 |
|
| 8004 |
/** |
| 8005 |
* Get system instructions for a specific bot or default |
| 8006 |
* Checks for multi-bot add-on and uses bot-specific instructions if available |
| 8007 |
* Automatically strips URLs if citation links are disabled |
| 8008 |
* Replaces {visitor_name} placeholder with actual visitor name if available |
| 8009 |
* |
| 8010 |
* @param string $bot_id The bot ID to get instructions for |
| 8011 |
* @param string $session_id Optional session ID to lookup visitor name |
| 8012 |
*/ |
| 8013 |
private function get_system_instructions($bot_id = 'default', $session_id = '') { |
| 8014 |
$instructions = ''; |
| 8015 |
|
| 8016 |
// Check if multi-bot add-on is active |
| 8017 |
if (class_exists('MxChat_Multi_Bot_Core_Manager') && $bot_id !== 'default') { |
| 8018 |
// Get bot-specific options from multi-bot add-on |
| 8019 |
$bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id); |
| 8020 |
|
| 8021 |
// If bot has custom system instructions, use those |
| 8022 |
if (!empty($bot_options['system_prompt_instructions'])) { |
| 8023 |
$instructions = $bot_options['system_prompt_instructions']; |
| 8024 |
} |
| 8025 |
} |
| 8026 |
|
| 8027 |
// Fall back to default system instructions |
| 8028 |
if (empty($instructions)) { |
| 8029 |
$instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : ''; |
| 8030 |
} |
| 8031 |
|
| 8032 |
// Check if citation links are disabled - if so, strip URLs from instructions |
| 8033 |
$fresh_options = get_option('mxchat_options', []); |
| 8034 |
$citation_links_enabled = isset($fresh_options['citation_links_toggle']) ? ($fresh_options['citation_links_toggle'] === 'on') : true; |
| 8035 |
|
| 8036 |
if (!$citation_links_enabled && !empty($instructions)) { |
| 8037 |
$instructions = preg_replace('#\bhttps?://[^\s<>"\']+#i', '', $instructions); |
| 8038 |
$instructions = preg_replace('/\s+/', ' ', trim($instructions)); // Clean up extra spaces |
| 8039 |
} |
| 8040 |
|
| 8041 |
// Replace {visitor_name} placeholder with actual visitor name if available |
| 8042 |
if (!empty($instructions) && !empty($session_id) && stripos($instructions, '{visitor_name}') !== false) { |
| 8043 |
$name_option_key = "mxchat_name_{$session_id}"; |
| 8044 |
$visitor_name = get_option($name_option_key, ''); |
| 8045 |
|
| 8046 |
if (!empty($visitor_name)) { |
| 8047 |
$instructions = str_ireplace('{visitor_name}', sanitize_text_field($visitor_name), $instructions); |
| 8048 |
} else { |
| 8049 |
// Remove placeholder if no name is available |
| 8050 |
$instructions = str_ireplace('{visitor_name}', '', $instructions); |
| 8051 |
$instructions = preg_replace('/\s{2,}/', ' ', trim($instructions)); // Clean up extra spaces |
| 8052 |
} |
| 8053 |
} |
| 8054 |
|
| 8055 |
// {context} placeholder (plan 59bc1b): inject the assembled knowledge-base |
| 8056 |
// block where the owner placed the token. Runs after the URL-strip and |
| 8057 |
// {visitor_name} handling and before the developer filter, so filtered |
| 8058 |
// instructions already show the final prompt. Only active once the KB |
| 8059 |
// assembly has stashed the block (context_kb_block non-null) — the early |
| 8060 |
// URL-extraction call happens before assembly and leaves the token alone. |
| 8061 |
if ($this->context_kb_block !== null && !empty($instructions) && stripos($instructions, '{context}') !== false) { |
| 8062 |
$pos = stripos($instructions, '{context}'); |
| 8063 |
$instructions = substr($instructions, 0, $pos) |
| 8064 |
. rtrim($this->context_kb_block) . "\n" |
| 8065 |
. substr($instructions, $pos + strlen('{context}')); |
| 8066 |
// Additional occurrences are stripped — never duplicate the KB block. |
| 8067 |
$instructions = str_ireplace('{context}', '', $instructions); |
| 8068 |
} |
| 8069 |
|
| 8070 |
// Allow developers to filter system instructions and process shortcodes |
| 8071 |
$instructions = apply_filters('mxchat_system_instructions', $instructions, $bot_id, $session_id); |
| 8072 |
$instructions = do_shortcode($instructions); |
| 8073 |
|
| 8074 |
return $instructions; |
| 8075 |
} |
| 8076 |
/** |
| 8077 |
* Get the current bot ID from session or request context |
| 8078 |
*/ |
| 8079 |
private function get_current_bot_id($session_id = '') { |
| 8080 |
// First, check if bot_id is passed in the current request |
| 8081 |
if (isset($_POST['bot_id']) && !empty($_POST['bot_id'])) { |
| 8082 |
return sanitize_key($_POST['bot_id']); |
| 8083 |
} |
| 8084 |
|
| 8085 |
// If not in POST, try to get it from session data |
| 8086 |
if (!empty($session_id)) { |
| 8087 |
$bot_id = get_option("mxchat_session_bot_{$session_id}", ''); |
| 8088 |
if (!empty($bot_id)) { |
| 8089 |
return $bot_id; |
| 8090 |
} |
| 8091 |
} |
| 8092 |
|
| 8093 |
// Fall back to default |
| 8094 |
return 'default'; |
| 8095 |
} |
| 8096 |
/* ====================================================================== * |
| 8097 |
* Native function-calling loop (plan-mxchat-20260617-a41dee) |
| 8098 |
* |
| 8099 |
* Model-driven tool use. The model is offered MxChat's enabled callbacks as |
| 8100 |
* tools (sourced from MxChat_Tool_Registry, the single source the admin AI |
| 8101 |
* Tools checklist also reads). When the model calls a tool, the matching |
| 8102 |
* callback runs through its EXISTING permission checks, its output is fed |
| 8103 |
* back, and the loop continues up to a depth cap. INDEPENDENT of the |
| 8104 |
* intent→callback router — it runs only after intents miss, and works with |
| 8105 |
* ZERO Actions created. |
| 8106 |
* |
| 8107 |
* Entered ONLY when: function calling is enabled + the active model is |
| 8108 |
* tool-capable + at least one tool is enabled. Default-off, so existing |
| 8109 |
* installs never enter this branch (byte-for-byte unchanged behavior). The |
| 8110 |
* tool round is buffered (non-streaming) per the plan; the final answer is |
| 8111 |
* emitted via the same SSE/JSON envelopes the normal path uses. |
| 8112 |
* ====================================================================== */ |
| 8113 |
|
| 8114 |
/** Gate: should the function-calling loop handle this turn? */ |
| 8115 |
private function mxchat_fc_should_run($selected_model) { |
| 8116 |
if (!class_exists('MxChat_Tool_Registry') || !MxChat_Tool_Registry::is_enabled()) { |
| 8117 |
return false; |
| 8118 |
} |
| 8119 |
if (class_exists('MxChat_Model_Catalog') && !MxChat_Model_Catalog::supports_tools($selected_model)) { |
| 8120 |
return false; |
| 8121 |
} |
| 8122 |
$tools = MxChat_Tool_Registry::enabled_tools(); |
| 8123 |
return !empty($tools); |
| 8124 |
} |
| 8125 |
|
| 8126 |
private function mxchat_fc_log($msg) { |
| 8127 |
if (defined('MXCHAT_DEV_MODE') && MXCHAT_DEV_MODE) { |
| 8128 |
error_log('[MxChat FC] ' . $msg); |
| 8129 |
} |
| 8130 |
} |
| 8131 |
|
| 8132 |
/** |
| 8133 |
* Resolve provider transport details. Returns null when FC can't run for this |
| 8134 |
* model/config (missing key, unsupported provider) so the caller falls back to |
| 8135 |
* the normal path. OpenAI/xAI/DeepSeek/OpenRouter/Custom share the |
| 8136 |
* OpenAI-compatible 'openai' family; Claude and Gemini are distinct. |
| 8137 |
*/ |
| 8138 |
private function mxchat_fc_resolve_provider($selected_model, $opts) { |
| 8139 |
// Anthropic retired claude-opus-4-20250514 / claude-sonnet-4-20250514 on 2026-06-15. |
| 8140 |
// Read-time rescue: remap a saved dead ID to the current equivalent before the API call. |
| 8141 |
if ($selected_model === 'claude-opus-4-20250514') { $selected_model = 'claude-opus-4-8'; } |
| 8142 |
elseif ($selected_model === 'claude-sonnet-4-20250514') { $selected_model = 'claude-sonnet-4-6'; } |
| 8143 |
if ($selected_model === 'openrouter') { |
| 8144 |
$model = isset($opts['openrouter_selected_model']) ? $opts['openrouter_selected_model'] : ''; |
| 8145 |
$key = isset($opts['openrouter_api_key']) ? $opts['openrouter_api_key'] : ''; |
| 8146 |
if ($model === '' || $key === '') return null; |
| 8147 |
return array('family'=>'openai','model'=>$model,'url'=>'https://openrouter.ai/api/v1/chat/completions', |
| 8148 |
'headers'=>array('Content-Type'=>'application/json','Authorization'=>'Bearer '.$key),'tag'=>'openai'); |
| 8149 |
} |
| 8150 |
$prefix = strtolower(explode('-', $selected_model)[0]); |
| 8151 |
switch ($prefix) { |
| 8152 |
case 'gpt': case 'o1': case 'o3': case 'o4': |
| 8153 |
$key = isset($opts['api_key']) ? $opts['api_key'] : ''; |
| 8154 |
if ($key === '') return null; |
| 8155 |
return array('family'=>'openai','model'=>$selected_model,'url'=>'https://api.openai.com/v1/chat/completions', |
| 8156 |
'headers'=>array('Content-Type'=>'application/json','Authorization'=>'Bearer '.$key),'tag'=>'openai'); |
| 8157 |
case 'claude': |
| 8158 |
$key = isset($opts['claude_api_key']) ? $opts['claude_api_key'] : ''; |
| 8159 |
if ($key === '') return null; |
| 8160 |
return array('family'=>'anthropic','model'=>$selected_model,'url'=>'https://api.anthropic.com/v1/messages', |
| 8161 |
'headers'=>array('Content-Type'=>'application/json','x-api-key'=>$key,'anthropic-version'=>'2023-06-01'),'tag'=>'anthropic'); |
| 8162 |
case 'gemini': |
| 8163 |
$key = isset($opts['gemini_api_key']) ? $opts['gemini_api_key'] : ''; |
| 8164 |
if ($key === '') return null; |
| 8165 |
return array('family'=>'gemini','model'=>$selected_model,'key'=>$key,'tag'=>'gemini'); |
| 8166 |
case 'grok': case 'xai': |
| 8167 |
$key = isset($opts['xai_api_key']) ? $opts['xai_api_key'] : ''; |
| 8168 |
if ($key === '') return null; |
| 8169 |
return array('family'=>'openai','model'=>$selected_model,'url'=>'https://api.x.ai/v1/chat/completions', |
| 8170 |
'headers'=>array('Content-Type'=>'application/json','Authorization'=>'Bearer '.$key),'tag'=>'xai'); |
| 8171 |
case 'deepseek': |
| 8172 |
$key = isset($opts['deepseek_api_key']) ? $opts['deepseek_api_key'] : ''; |
| 8173 |
if ($key === '') return null; |
| 8174 |
return array('family'=>'openai','model'=>$selected_model,'url'=>'https://api.deepseek.com/v1/chat/completions', |
| 8175 |
'headers'=>array('Content-Type'=>'application/json','Authorization'=>'Bearer '.$key),'tag'=>'openai'); |
| 8176 |
case 'custom': |
| 8177 |
$base = isset($opts['custom_provider_base_url']) ? rtrim($opts['custom_provider_base_url'], '/') : ''; |
| 8178 |
$key = isset($opts['custom_provider_api_key']) ? $opts['custom_provider_api_key'] : ''; |
| 8179 |
$model = isset($opts['custom_provider_model']) ? $opts['custom_provider_model'] : ''; |
| 8180 |
if ($base === '' || $model === '') return null; |
| 8181 |
$url = (strpos($base, 'chat/completions') !== false) ? $base : $base . '/chat/completions'; |
| 8182 |
$headers = array('Content-Type'=>'application/json'); |
| 8183 |
if ($key !== '') $headers['Authorization'] = 'Bearer '.$key; |
| 8184 |
return array('family'=>'openai','model'=>$model,'url'=>$url,'headers'=>$headers,'tag'=>'openai'); |
| 8185 |
} |
| 8186 |
return null; |
| 8187 |
} |
| 8188 |
|
| 8189 |
/** |
| 8190 |
* Top-level function-calling attempt. Returns: |
| 8191 |
* ['handled'=>true, 'text'=>'<final answer>'] when the model used ≥1 tool |
| 8192 |
* ['handled'=>false] otherwise (caller falls back |
| 8193 |
* to the normal streamed path) |
| 8194 |
*/ |
| 8195 |
private function mxchat_fc_attempt($message, $relevant_content, $conversation_history, $selected_model, $opts, $session_id, $user_id) { |
| 8196 |
$prov = $this->mxchat_fc_resolve_provider($selected_model, $opts); |
| 8197 |
if (!$prov) { |
| 8198 |
return array('handled' => false); |
| 8199 |
} |
| 8200 |
$tools = MxChat_Tool_Registry::enabled_tools(); |
| 8201 |
if (empty($tools)) { |
| 8202 |
return array('handled' => false); |
| 8203 |
} |
| 8204 |
|
| 8205 |
$bot_id = $this->get_current_bot_id($session_id); |
| 8206 |
$system = $this->get_system_instructions($bot_id, $session_id); |
| 8207 |
|
| 8208 |
// Force callbacks into return-mode (some echo SSE directly when streaming); |
| 8209 |
// we buffer the whole tool round, then emit once. Restored in finally. |
| 8210 |
$prev_streaming = $this->is_streaming; |
| 8211 |
$this->is_streaming = false; |
| 8212 |
try { |
| 8213 |
if ($prov['family'] === 'anthropic') { |
| 8214 |
return $this->mxchat_fc_loop_anthropic($prov, $system, $relevant_content, $conversation_history, $tools, $message, $user_id, $session_id); |
| 8215 |
} elseif ($prov['family'] === 'gemini') { |
| 8216 |
return $this->mxchat_fc_loop_gemini($prov, $system, $relevant_content, $conversation_history, $tools, $message, $user_id, $session_id); |
| 8217 |
} |
| 8218 |
return $this->mxchat_fc_loop_openai($prov, $system, $relevant_content, $conversation_history, $tools, $message, $user_id, $session_id); |
| 8219 |
} catch (\Throwable $e) { |
| 8220 |
$this->mxchat_fc_log('attempt threw: ' . $e->getMessage()); |
| 8221 |
return array('handled' => false); |
| 8222 |
} finally { |
| 8223 |
$this->is_streaming = $prev_streaming; |
| 8224 |
} |
| 8225 |
} |
| 8226 |
|
| 8227 |
/** Normalize MxChat history rows to [{role:user|assistant, content}]. */ |
| 8228 |
private function mxchat_fc_normalize_history($conversation_history) { |
| 8229 |
$out = array(); |
| 8230 |
if (!is_array($conversation_history)) return $out; |
| 8231 |
foreach ($conversation_history as $m) { |
| 8232 |
if (!is_array($m) || !isset($m['role']) || !isset($m['content'])) continue; |
| 8233 |
$role = $m['role']; |
| 8234 |
if ($role === 'bot' || $role === 'agent') $role = 'assistant'; |
| 8235 |
if (!in_array($role, array('user', 'assistant'), true)) $role = 'user'; |
| 8236 |
$out[] = array('role' => $role, 'content' => (string) $m['content']); |
| 8237 |
} |
| 8238 |
return $out; |
| 8239 |
} |
| 8240 |
|
| 8241 |
/** Execute the matched callback for a tool call. Returns ['ok'=>bool,'content'=>string]. */ |
| 8242 |
private function mxchat_fc_execute_tool($tool_name, $args, $orig_message, $user_id, $session_id) { |
| 8243 |
$tool = MxChat_Tool_Registry::tool_by_name($tool_name, true); // enabled-only |
| 8244 |
if (!$tool) { |
| 8245 |
return array('ok' => false, 'content' => 'This tool is not available or not enabled.'); |
| 8246 |
} |
| 8247 |
$fn = $tool['callback']; |
| 8248 |
|
| 8249 |
// MxChat callbacks are message-driven: hand them the model's `query` |
| 8250 |
// (falling back to the original user message). |
| 8251 |
$query = ''; |
| 8252 |
if (is_array($args) && isset($args['query']) && is_string($args['query'])) { |
| 8253 |
$query = $args['query']; |
| 8254 |
} |
| 8255 |
if ($query === '') $query = $orig_message; |
| 8256 |
|
| 8257 |
// Synthetic intent row (matches wp_mxchat_intents columns → no undefined-prop warnings). |
| 8258 |
$synthetic_intent = (object) array( |
| 8259 |
'id' => 0, 'intent_label' => $tool['label'], 'phrases' => '', |
| 8260 |
'embedding_vector' => '', 'callback_function' => $fn, |
| 8261 |
'similarity_threshold' => 0.0, 'enabled' => 1, 'enabled_bots' => null, |
| 8262 |
); |
| 8263 |
|
| 8264 |
try { |
| 8265 |
if (!empty($tool['is_addon'])) { |
| 8266 |
$result = apply_filters($fn, false, $query, $user_id, $session_id, $synthetic_intent); |
| 8267 |
} elseif (method_exists($this, $fn)) { |
| 8268 |
$result = call_user_func(array($this, $fn), $query, $user_id, $session_id, $synthetic_intent, null); |
| 8269 |
} else { |
| 8270 |
return array('ok' => false, 'content' => 'Tool implementation not found.'); |
| 8271 |
} |
| 8272 |
} catch (\Throwable $e) { |
| 8273 |
$this->mxchat_fc_log("tool {$fn} threw: " . $e->getMessage()); |
| 8274 |
return array('ok' => false, 'content' => 'The tool failed to run.'); |
| 8275 |
} |
| 8276 |
|
| 8277 |
// plan-mxchat-20260617-48a57a — surface UI-bearing tool output. |
| 8278 |
// If the callback produced a UI element (generated image, product card, image |
| 8279 |
// gallery), its html MUST reach the FRONTEND as a real rendered bot message — |
| 8280 |
// NOT be stripped to text and handed to the model to paraphrase (that was the |
| 8281 |
// bug: under function calling, UI-bearing actions rendered nothing). Capture |
| 8282 |
// the html here; the FC outcome handler emits it in the response envelope. |
| 8283 |
$ui = $this->mxchat_fc_ui_payload_from($result); |
| 8284 |
if ($ui['html'] !== '' || !empty($ui['images'])) { |
| 8285 |
if ($ui['html'] !== '') { |
| 8286 |
$this->fc_ui_html .= ($this->fc_ui_html !== '' ? "\n" : '') . $ui['html']; |
| 8287 |
} |
| 8288 |
if (!empty($ui['images']) && is_array($ui['images'])) { |
| 8289 |
$this->fc_ui_images = array_merge($this->fc_ui_images, $ui['images']); |
| 8290 |
} |
| 8291 |
$this->fc_ui_captured = true; |
| 8292 |
|
| 8293 |
// Persist the html to the transcript ONLY if the callback did not already |
| 8294 |
// do so itself. Core image/search callbacks self-save (text + html); |
| 8295 |
// add-on callbacks (e.g. woo product cards) return html for the caller to |
| 8296 |
// save. ui_self_saves carries this from the registry; default by source |
| 8297 |
// (core self-saves, add-on does not) when a tool predates the flag. |
| 8298 |
$self_saves = array_key_exists('ui_self_saves', $tool) |
| 8299 |
? !empty($tool['ui_self_saves']) |
| 8300 |
: empty($tool['is_addon']); |
| 8301 |
if ($ui['html'] !== '' && !$self_saves) { |
| 8302 |
$this->mxchat_save_chat_message($session_id, 'bot', $ui['html']); |
| 8303 |
} |
| 8304 |
|
| 8305 |
// Hand the MODEL a short acknowledgment (never the raw or stripped html) |
| 8306 |
// so the loop can add a one-line caption without trying to re-describe a |
| 8307 |
// visual it cannot see and without duplicating the displayed element. |
| 8308 |
$summary = isset($ui['text']) ? trim((string) $ui['text']) : ''; |
| 8309 |
$ack = __('[A visual result has already been shown to the user in the chat. Do not repeat or describe it in detail — reply with at most a brief one-line caption.]', 'mxchat'); |
| 8310 |
$content = $summary !== '' ? ($ack . ' ' . $summary) : $ack; |
| 8311 |
$this->mxchat_fc_log("executed {$fn} → [ui payload surfaced] " . substr($content, 0, 120)); |
| 8312 |
return array('ok' => true, 'content' => $content); |
| 8313 |
} |
| 8314 |
|
| 8315 |
$content = $this->mxchat_fc_stringify_result($result); |
| 8316 |
$this->mxchat_fc_log("executed {$fn} → " . substr($content, 0, 160)); |
| 8317 |
return array('ok' => true, 'content' => $content); |
| 8318 |
} |
| 8319 |
|
| 8320 |
/** |
| 8321 |
* Extract a UI payload (html + images + text) from a tool callback's return, |
| 8322 |
* falling back to $this->fallbackResponse for callbacks that return true after |
| 8323 |
* setting it. plan-mxchat-20260617-48a57a. |
| 8324 |
* |
| 8325 |
* @return array{html:string,images:array,text:string} |
| 8326 |
*/ |
| 8327 |
private function mxchat_fc_ui_payload_from($result) { |
| 8328 |
$src = null; |
| 8329 |
if (is_array($result)) { |
| 8330 |
$src = $result; |
| 8331 |
} elseif ($result === true && isset($this->fallbackResponse) && is_array($this->fallbackResponse)) { |
| 8332 |
$src = $this->fallbackResponse; |
| 8333 |
} |
| 8334 |
$html = (is_array($src) && isset($src['html']) && is_string($src['html'])) ? $src['html'] : ''; |
| 8335 |
$images = (is_array($src) && isset($src['images']) && is_array($src['images'])) ? $src['images'] : array(); |
| 8336 |
$text = (is_array($src) && isset($src['text'])) ? (string) $src['text'] : ''; |
| 8337 |
return array('html' => $html, 'images' => $images, 'text' => $text); |
| 8338 |
} |
| 8339 |
|
| 8340 |
/** Coerce a callback's return (string|array|true|false) into a tool-result string. */ |
| 8341 |
private function mxchat_fc_stringify_result($result) { |
| 8342 |
if (is_string($result)) { |
| 8343 |
return $result === '' ? 'No result.' : $result; |
| 8344 |
} |
| 8345 |
if ($result === true) { |
| 8346 |
// Callbacks that set fallbackResponse and return true. |
| 8347 |
$fb = isset($this->fallbackResponse) ? $this->fallbackResponse : null; |
| 8348 |
if (is_array($fb)) { |
| 8349 |
if (!empty($fb['text'])) return (string) $fb['text']; |
| 8350 |
if (!empty($fb['html'])) return wp_strip_all_tags((string) $fb['html']); |
| 8351 |
} |
| 8352 |
return 'Done.'; |
| 8353 |
} |
| 8354 |
if ($result === false || $result === null) { |
| 8355 |
return 'No result.'; |
| 8356 |
} |
| 8357 |
if (is_array($result)) { |
| 8358 |
if (isset($result['text']) && $result['text'] !== '') return (string) $result['text']; |
| 8359 |
if (isset($result['html']) && $result['html'] !== '') return wp_strip_all_tags((string) $result['html']); |
| 8360 |
$json = wp_json_encode($result); |
| 8361 |
return $json !== false ? $json : 'No result.'; |
| 8362 |
} |
| 8363 |
return (string) $result; |
| 8364 |
} |
| 8365 |
|
| 8366 |
/** HTTP code + decoded body for a function-calling request. */ |
| 8367 |
private function mxchat_fc_post($url, $body, $headers, $tag) { |
| 8368 |
$args = array( |
| 8369 |
'body' => wp_json_encode($body), |
| 8370 |
'headers' => $headers, |
| 8371 |
'timeout' => 60, |
| 8372 |
'redirection' => 5, |
| 8373 |
'blocking' => true, |
| 8374 |
'httpversion' => '1.0', |
| 8375 |
'sslverify' => true, |
| 8376 |
); |
| 8377 |
$response = $this->mxchat_provider_call_with_retry($url, $args, $tag); |
| 8378 |
if (is_wp_error($response)) { |
| 8379 |
return array('code' => 0, 'data' => null, 'error' => $response->get_error_message()); |
| 8380 |
} |
| 8381 |
$code = (int) wp_remote_retrieve_response_code($response); |
| 8382 |
$data = json_decode(wp_remote_retrieve_body($response), true); |
| 8383 |
return array('code' => $code, 'data' => $data, 'error' => null); |
| 8384 |
} |
| 8385 |
|
| 8386 |
/* ---------------- OpenAI-compatible loop (OpenAI/xAI/DeepSeek/OpenRouter/Custom) -------------- */ |
| 8387 |
private function mxchat_fc_loop_openai($prov, $system, $relevant_content, $conversation_history, $tools, $orig_message, $user_id, $session_id) { |
| 8388 |
$messages = array(); |
| 8389 |
$messages[] = array('role' => 'system', 'content' => $system . ' ' . $relevant_content); |
| 8390 |
foreach ($this->mxchat_fc_normalize_history($conversation_history) as $m) { |
| 8391 |
$messages[] = $m; |
| 8392 |
} |
| 8393 |
|
| 8394 |
$depth = MxChat_Tool_Registry::max_depth(); |
| 8395 |
$budget = MxChat_Tool_Registry::max_tool_calls_per_turn(); |
| 8396 |
$tool_schema = MxChat_Tool_Registry::to_openai_tools($tools); |
| 8397 |
$used_tool = false; |
| 8398 |
$calls_made = 0; |
| 8399 |
|
| 8400 |
for ($step = 0; $step <= $depth; $step++) { |
| 8401 |
$offer_tools = ($step < $depth) && !empty($tool_schema); |
| 8402 |
$body = array('model' => $prov['model'], 'messages' => $messages, 'temperature' => 1, 'stream' => false); |
| 8403 |
if (strpos($prov['url'], 'api.deepseek.com') !== false) { |
| 8404 |
// DeepSeek V4 defaults to thinking mode ON; tool loops want fast |
| 8405 |
// deterministic non-thinking turns (legacy deepseek-chat semantics). |
| 8406 |
$body['thinking'] = array('type' => 'disabled'); |
| 8407 |
} |
| 8408 |
if ($offer_tools) { |
| 8409 |
$body['tools'] = $tool_schema; |
| 8410 |
$body['tool_choice'] = 'auto'; |
| 8411 |
} |
| 8412 |
$r = $this->mxchat_fc_post($prov['url'], $body, $prov['headers'], $prov['tag']); |
| 8413 |
if ($r['code'] !== 200 || !is_array($r['data'])) { |
| 8414 |
$this->mxchat_fc_log('openai call failed: code=' . $r['code'] . ' err=' . ($r['error'] ?? '')); |
| 8415 |
return $used_tool ? array('handled' => true, 'text' => $this->mxchat_fc_giveup_text()) : array('handled' => false); |
| 8416 |
} |
| 8417 |
$msg = isset($r['data']['choices'][0]['message']) ? $r['data']['choices'][0]['message'] : null; |
| 8418 |
if (!$msg) { |
| 8419 |
return $used_tool ? array('handled' => true, 'text' => $this->mxchat_fc_giveup_text()) : array('handled' => false); |
| 8420 |
} |
| 8421 |
$tool_calls = isset($msg['tool_calls']) && is_array($msg['tool_calls']) ? $msg['tool_calls'] : array(); |
| 8422 |
if (empty($tool_calls)) { |
| 8423 |
$text = isset($msg['content']) ? trim((string) $msg['content']) : ''; |
| 8424 |
if (!$used_tool) return array('handled' => false); // model never used a tool → normal path |
| 8425 |
return array('handled' => true, 'text' => ($text !== '' ? $text : $this->mxchat_fc_giveup_text())); |
| 8426 |
} |
| 8427 |
// Append the assistant tool-call turn verbatim, then a tool result per call. |
| 8428 |
$used_tool = true; |
| 8429 |
$messages[] = $msg; |
| 8430 |
foreach ($tool_calls as $tc) { |
| 8431 |
if ($calls_made >= $budget) break; |
| 8432 |
$calls_made++; |
| 8433 |
$name = isset($tc['function']['name']) ? $tc['function']['name'] : ''; |
| 8434 |
$args = array(); |
| 8435 |
if (isset($tc['function']['arguments'])) { |
| 8436 |
$decoded = json_decode($tc['function']['arguments'], true); |
| 8437 |
if (is_array($decoded)) $args = $decoded; |
| 8438 |
} |
| 8439 |
$exec = $this->mxchat_fc_execute_tool($name, $args, $orig_message, $user_id, $session_id); |
| 8440 |
$messages[] = array( |
| 8441 |
'role' => 'tool', |
| 8442 |
'tool_call_id' => isset($tc['id']) ? $tc['id'] : '', |
| 8443 |
'content' => $exec['content'], |
| 8444 |
); |
| 8445 |
} |
| 8446 |
} |
| 8447 |
return $used_tool ? array('handled' => true, 'text' => $this->mxchat_fc_giveup_text()) : array('handled' => false); |
| 8448 |
} |
| 8449 |
|
| 8450 |
/* ---------------- Anthropic Claude loop ---------------- */ |
| 8451 |
private function mxchat_fc_loop_anthropic($prov, $system, $relevant_content, $conversation_history, $tools, $orig_message, $user_id, $session_id) { |
| 8452 |
$messages = $this->mxchat_fc_normalize_history($conversation_history); |
| 8453 |
$messages[] = array('role' => 'user', 'content' => $relevant_content); |
| 8454 |
|
| 8455 |
$depth = MxChat_Tool_Registry::max_depth(); |
| 8456 |
$budget = MxChat_Tool_Registry::max_tool_calls_per_turn(); |
| 8457 |
$tool_schema = MxChat_Tool_Registry::to_anthropic_tools($tools); |
| 8458 |
$omit_temp = $this->mxchat_claude_omits_temperature($prov['model']); |
| 8459 |
$used_tool = false; |
| 8460 |
$calls_made = 0; |
| 8461 |
|
| 8462 |
for ($step = 0; $step <= $depth; $step++) { |
| 8463 |
$offer_tools = ($step < $depth) && !empty($tool_schema); |
| 8464 |
$body = array('model' => $prov['model'], 'max_tokens' => 1024, 'temperature' => 0.8, |
| 8465 |
'messages' => $messages, 'system' => $system); |
| 8466 |
if ($omit_temp) unset($body['temperature']); |
| 8467 |
if ($offer_tools) { |
| 8468 |
$body['tools'] = $tool_schema; |
| 8469 |
$body['tool_choice'] = array('type' => 'auto'); |
| 8470 |
} |
| 8471 |
$r = $this->mxchat_fc_post($prov['url'], $body, $prov['headers'], $prov['tag']); |
| 8472 |
if ($r['code'] !== 200 || !is_array($r['data'])) { |
| 8473 |
$this->mxchat_fc_log('anthropic call failed: code=' . $r['code'] . ' err=' . ($r['error'] ?? '')); |
| 8474 |
return $used_tool ? array('handled' => true, 'text' => $this->mxchat_fc_giveup_text()) : array('handled' => false); |
| 8475 |
} |
| 8476 |
$content = isset($r['data']['content']) && is_array($r['data']['content']) ? $r['data']['content'] : array(); |
| 8477 |
$tool_uses = array(); |
| 8478 |
$text_out = ''; |
| 8479 |
foreach ($content as $block) { |
| 8480 |
if (!isset($block['type'])) continue; |
| 8481 |
if ($block['type'] === 'tool_use') { |
| 8482 |
$tool_uses[] = $block; |
| 8483 |
} elseif ($block['type'] === 'text' && isset($block['text'])) { |
| 8484 |
$text_out .= $block['text']; |
| 8485 |
} |
| 8486 |
} |
| 8487 |
if (empty($tool_uses)) { |
| 8488 |
if (!$used_tool) return array('handled' => false); |
| 8489 |
$text_out = trim($text_out); |
| 8490 |
return array('handled' => true, 'text' => ($text_out !== '' ? $text_out : $this->mxchat_fc_giveup_text())); |
| 8491 |
} |
| 8492 |
// Append the assistant turn (the full content array), then a user turn of tool_result blocks. |
| 8493 |
$used_tool = true; |
| 8494 |
$messages[] = array('role' => 'assistant', 'content' => $content); |
| 8495 |
$results = array(); |
| 8496 |
foreach ($tool_uses as $tu) { |
| 8497 |
if ($calls_made >= $budget) break; |
| 8498 |
$calls_made++; |
| 8499 |
$name = isset($tu['name']) ? $tu['name'] : ''; |
| 8500 |
$args = isset($tu['input']) && is_array($tu['input']) ? $tu['input'] : array(); |
| 8501 |
$exec = $this->mxchat_fc_execute_tool($name, $args, $orig_message, $user_id, $session_id); |
| 8502 |
$results[] = array( |
| 8503 |
'type' => 'tool_result', |
| 8504 |
'tool_use_id' => isset($tu['id']) ? $tu['id'] : '', |
| 8505 |
'content' => $exec['content'], |
| 8506 |
); |
| 8507 |
} |
| 8508 |
$messages[] = array('role' => 'user', 'content' => $results); |
| 8509 |
} |
| 8510 |
return $used_tool ? array('handled' => true, 'text' => $this->mxchat_fc_giveup_text()) : array('handled' => false); |
| 8511 |
} |
| 8512 |
|
| 8513 |
/* ---------------- Google Gemini loop ---------------- */ |
| 8514 |
private function mxchat_fc_loop_gemini($prov, $system, $relevant_content, $conversation_history, $tools, $orig_message, $user_id, $session_id) { |
| 8515 |
$contents = array(); |
| 8516 |
$contents[] = array('role' => 'user', 'parts' => array(array('text' => '[System Instructions] ' . $system . ' ' . $relevant_content))); |
| 8517 |
$contents[] = array('role' => 'model', 'parts' => array(array('text' => 'I understand and will follow these instructions.'))); |
| 8518 |
foreach ($this->mxchat_fc_normalize_history($conversation_history) as $m) { |
| 8519 |
$contents[] = array('role' => ($m['role'] === 'assistant' ? 'model' : 'user'), |
| 8520 |
'parts' => array(array('text' => $m['content']))); |
| 8521 |
} |
| 8522 |
|
| 8523 |
$depth = MxChat_Tool_Registry::max_depth(); |
| 8524 |
$budget = MxChat_Tool_Registry::max_tool_calls_per_turn(); |
| 8525 |
$tool_schema = MxChat_Tool_Registry::to_gemini_tools($tools); |
| 8526 |
// Function calling (tools + functionDeclarations + toolConfig) is a v1beta feature on the |
| 8527 |
// Generative Language REST API. The v1 endpoint silently ignores the tools array, so a |
| 8528 |
// non-preview model (e.g. gemini-2.5-pro, gemini-3.5-flash, gemini-3.1-flash-lite) would |
| 8529 |
// just answer in text and never emit a tool call. Always use v1beta for the FC loop — |
| 8530 |
// confirmed against Google's function-calling docs (their REST example targets |
| 8531 |
// v1beta/models/gemini-3.5-flash:generateContent). v1beta is a superset, so every model |
| 8532 |
// reachable on v1 is also reachable here. |
| 8533 |
$api_version = 'v1beta'; |
| 8534 |
$url = 'https://generativelanguage.googleapis.com/' . $api_version . '/models/' . $prov['model'] . ':generateContent?key=' . $prov['key']; |
| 8535 |
$headers = array('Content-Type' => 'application/json'); |
| 8536 |
$used_tool = false; |
| 8537 |
$calls_made = 0; |
| 8538 |
|
| 8539 |
for ($step = 0; $step <= $depth; $step++) { |
| 8540 |
$offer_tools = ($step < $depth) && !empty($tool_schema); |
| 8541 |
$body = array( |
| 8542 |
'contents' => $contents, |
| 8543 |
'generationConfig' => array('temperature' => 0.7, 'topP' => 0.95, 'topK' => 40, 'maxOutputTokens' => 8192), |
| 8544 |
); |
| 8545 |
if ($offer_tools) { |
| 8546 |
$body['tools'] = $tool_schema; |
| 8547 |
$body['toolConfig'] = array('functionCallingConfig' => array('mode' => 'AUTO')); |
| 8548 |
} |
| 8549 |
$r = $this->mxchat_fc_post($url, $body, $headers, 'gemini'); |
| 8550 |
if ($r['code'] !== 200 || !is_array($r['data']) || isset($r['data']['error'])) { |
| 8551 |
$this->mxchat_fc_log('gemini call failed: code=' . $r['code'] . ' err=' . ($r['error'] ?? '')); |
| 8552 |
return $used_tool ? array('handled' => true, 'text' => $this->mxchat_fc_giveup_text()) : array('handled' => false); |
| 8553 |
} |
| 8554 |
$parts = isset($r['data']['candidates'][0]['content']['parts']) && is_array($r['data']['candidates'][0]['content']['parts']) |
| 8555 |
? $r['data']['candidates'][0]['content']['parts'] : array(); |
| 8556 |
$fn_calls = array(); |
| 8557 |
$text_out = ''; |
| 8558 |
foreach ($parts as $p) { |
| 8559 |
if (isset($p['functionCall'])) { |
| 8560 |
$fn_calls[] = $p['functionCall']; |
| 8561 |
} elseif (isset($p['text'])) { |
| 8562 |
$text_out .= $p['text']; |
| 8563 |
} |
| 8564 |
} |
| 8565 |
if (empty($fn_calls)) { |
| 8566 |
if (!$used_tool) return array('handled' => false); |
| 8567 |
$text_out = trim($text_out); |
| 8568 |
return array('handled' => true, 'text' => ($text_out !== '' ? $text_out : $this->mxchat_fc_giveup_text())); |
| 8569 |
} |
| 8570 |
// Append the model turn (its parts) then a user turn of functionResponse parts. |
| 8571 |
$used_tool = true; |
| 8572 |
$contents[] = array('role' => 'model', 'parts' => $parts); |
| 8573 |
$resp_parts = array(); |
| 8574 |
foreach ($fn_calls as $fcall) { |
| 8575 |
if ($calls_made >= $budget) break; |
| 8576 |
$calls_made++; |
| 8577 |
$name = isset($fcall['name']) ? $fcall['name'] : ''; |
| 8578 |
$args = isset($fcall['args']) && is_array($fcall['args']) ? $fcall['args'] : array(); |
| 8579 |
$exec = $this->mxchat_fc_execute_tool($name, $args, $orig_message, $user_id, $session_id); |
| 8580 |
$fr = array('name' => $name, 'response' => array('result' => $exec['content'])); |
| 8581 |
// Gemini 3 function calls carry a unique id; echo the matching id back in the |
| 8582 |
// functionResponse so the model maps the result to the right call (Google REST |
| 8583 |
// guidance). Older models omit the id — then we send none, exactly as before. |
| 8584 |
if (isset($fcall['id']) && $fcall['id'] !== '') { $fr['id'] = $fcall['id']; } |
| 8585 |
$resp_parts[] = array('functionResponse' => $fr); |
| 8586 |
} |
| 8587 |
$contents[] = array('role' => 'user', 'parts' => $resp_parts); |
| 8588 |
} |
| 8589 |
return $used_tool ? array('handled' => true, 'text' => $this->mxchat_fc_giveup_text()) : array('handled' => false); |
| 8590 |
} |
| 8591 |
|
| 8592 |
private function mxchat_fc_giveup_text() { |
| 8593 |
return esc_html__('I looked into that but could not put together a final answer. Please try rephrasing your request.', 'mxchat'); |
| 8594 |
} |
| 8595 |
|
| 8596 |
private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $gemini_api_key, $openrouter_api_key, $conversation_history, $streaming = false, $session_id = '', $testing_data = null, $selected_model = 'gpt-5.6-sol') { |
| 8597 |
try { |
| 8598 |
if (!$relevant_content) { |
| 8599 |
$error_response = [ |
| 8600 |
'error' => esc_html__("I couldn't find relevant information on that topic.", 'mxchat'), |
| 8601 |
'error_code' => 'no_relevant_content' |
| 8602 |
]; |
| 8603 |
|
| 8604 |
if ($testing_data !== null) { |
| 8605 |
$error_response['testing_data'] = $testing_data; |
| 8606 |
} |
| 8607 |
|
| 8608 |
return $error_response; |
| 8609 |
} |
| 8610 |
|
| 8611 |
if (!is_array($conversation_history)) { |
| 8612 |
$conversation_history = array(); |
| 8613 |
} |
| 8614 |
|
| 8615 |
// Check if this is an OpenRouter model |
| 8616 |
if ($selected_model === 'openrouter') { |
| 8617 |
// Get the actual OpenRouter model from options |
| 8618 |
$openrouter_selected_model = $this->options['openrouter_selected_model'] ?? ''; |
| 8619 |
|
| 8620 |
if (empty($openrouter_selected_model)) { |
| 8621 |
$error_response = [ |
| 8622 |
'error' => esc_html__('No OpenRouter model selected. Please select a model in settings.', 'mxchat'), |
| 8623 |
'error_code' => 'no_openrouter_model_selected' |
| 8624 |
]; |
| 8625 |
if ($testing_data !== null) { |
| 8626 |
$error_response['testing_data'] = $testing_data; |
| 8627 |
} |
| 8628 |
return $error_response; |
| 8629 |
} |
| 8630 |
|
| 8631 |
if (empty($openrouter_api_key)) { |
| 8632 |
$error_response = [ |
| 8633 |
'error' => esc_html__('OpenRouter API key is not configured', 'mxchat'), |
| 8634 |
'error_code' => 'missing_openrouter_api_key' |
| 8635 |
]; |
| 8636 |
if ($testing_data !== null) { |
| 8637 |
$error_response['testing_data'] = $testing_data; |
| 8638 |
} |
| 8639 |
return $error_response; |
| 8640 |
} |
| 8641 |
|
| 8642 |
if ($streaming) { |
| 8643 |
return $this->mxchat_generate_response_openrouter_stream( |
| 8644 |
$openrouter_selected_model, |
| 8645 |
$openrouter_api_key, |
| 8646 |
$conversation_history, |
| 8647 |
$relevant_content, |
| 8648 |
$session_id, |
| 8649 |
$testing_data |
| 8650 |
); |
| 8651 |
} else { |
| 8652 |
$response = $this->mxchat_generate_response_openrouter( |
| 8653 |
$openrouter_selected_model, |
| 8654 |
$openrouter_api_key, |
| 8655 |
$conversation_history, |
| 8656 |
$relevant_content, |
| 8657 |
$session_id |
| 8658 |
); |
| 8659 |
} |
| 8660 |
|
| 8661 |
if (is_array($response) && isset($response['error'])) { |
| 8662 |
if ($testing_data !== null) { |
| 8663 |
$response['testing_data'] = $testing_data; |
| 8664 |
} |
| 8665 |
return $response; |
| 8666 |
} |
| 8667 |
|
| 8668 |
return $response; |
| 8669 |
} |
| 8670 |
|
| 8671 |
// Extract model prefix to determine the provider |
| 8672 |
$model_parts = explode('-', $selected_model); |
| 8673 |
$provider = strtolower($model_parts[0]); |
| 8674 |
|
| 8675 |
// Handle model selection based on provider prefix |
| 8676 |
switch ($provider) { |
| 8677 |
case 'gemini': |
| 8678 |
if (empty($gemini_api_key)) { |
| 8679 |
$error_response = [ |
| 8680 |
'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'), |
| 8681 |
'error_code' => 'missing_gemini_api_key' |
| 8682 |
]; |
| 8683 |
if ($testing_data !== null) { |
| 8684 |
$error_response['testing_data'] = $testing_data; |
| 8685 |
} |
| 8686 |
return $error_response; |
| 8687 |
} |
| 8688 |
$response = $this->mxchat_generate_response_gemini( |
| 8689 |
$selected_model, |
| 8690 |
$gemini_api_key, |
| 8691 |
$conversation_history, |
| 8692 |
$relevant_content, |
| 8693 |
$session_id |
| 8694 |
); |
| 8695 |
break; |
| 8696 |
|
| 8697 |
case 'claude': |
| 8698 |
if (empty($claude_api_key)) { |
| 8699 |
$error_response = [ |
| 8700 |
'error' => esc_html__('Claude API key is not configured', 'mxchat'), |
| 8701 |
'error_code' => 'missing_claude_api_key' |
| 8702 |
]; |
| 8703 |
if ($testing_data !== null) { |
| 8704 |
$error_response['testing_data'] = $testing_data; |
| 8705 |
} |
| 8706 |
return $error_response; |
| 8707 |
} |
| 8708 |
if ($streaming) { |
| 8709 |
return $this->mxchat_generate_response_claude_stream( |
| 8710 |
$selected_model, |
| 8711 |
$claude_api_key, |
| 8712 |
$conversation_history, |
| 8713 |
$relevant_content, |
| 8714 |
$session_id, |
| 8715 |
$testing_data |
| 8716 |
); |
| 8717 |
} else { |
| 8718 |
$response = $this->mxchat_generate_response_claude( |
| 8719 |
$selected_model, |
| 8720 |
$claude_api_key, |
| 8721 |
$conversation_history, |
| 8722 |
$relevant_content, |
| 8723 |
$session_id |
| 8724 |
); |
| 8725 |
} |
| 8726 |
break; |
| 8727 |
|
| 8728 |
case 'grok': |
| 8729 |
if (empty($xai_api_key)) { |
| 8730 |
$error_response = [ |
| 8731 |
'error' => esc_html__('X.AI API key is not configured', 'mxchat'), |
| 8732 |
'error_code' => 'missing_xai_api_key' |
| 8733 |
]; |
| 8734 |
if ($testing_data !== null) { |
| 8735 |
$error_response['testing_data'] = $testing_data; |
| 8736 |
} |
| 8737 |
return $error_response; |
| 8738 |
} |
| 8739 |
if ($streaming) { |
| 8740 |
return $this->mxchat_generate_response_xai_stream( |
| 8741 |
$selected_model, |
| 8742 |
$xai_api_key, |
| 8743 |
$conversation_history, |
| 8744 |
$relevant_content, |
| 8745 |
$session_id, |
| 8746 |
$testing_data |
| 8747 |
); |
| 8748 |
} else { |
| 8749 |
$response = $this->mxchat_generate_response_xai( |
| 8750 |
$selected_model, |
| 8751 |
$xai_api_key, |
| 8752 |
$conversation_history, |
| 8753 |
$relevant_content, |
| 8754 |
$session_id |
| 8755 |
); |
| 8756 |
} |
| 8757 |
break; |
| 8758 |
|
| 8759 |
case 'deepseek': |
| 8760 |
if (empty($deepseek_api_key)) { |
| 8761 |
$error_response = [ |
| 8762 |
'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'), |
| 8763 |
'error_code' => 'missing_deepseek_api_key' |
| 8764 |
]; |
| 8765 |
if ($testing_data !== null) { |
| 8766 |
$error_response['testing_data'] = $testing_data; |
| 8767 |
} |
| 8768 |
return $error_response; |
| 8769 |
} |
| 8770 |
if ($streaming) { |
| 8771 |
return $this->mxchat_generate_response_deepseek_stream( |
| 8772 |
$selected_model, |
| 8773 |
$deepseek_api_key, |
| 8774 |
$conversation_history, |
| 8775 |
$relevant_content, |
| 8776 |
$session_id, |
| 8777 |
$testing_data |
| 8778 |
); |
| 8779 |
} else { |
| 8780 |
$response = $this->mxchat_generate_response_deepseek( |
| 8781 |
$selected_model, |
| 8782 |
$deepseek_api_key, |
| 8783 |
$conversation_history, |
| 8784 |
$relevant_content, |
| 8785 |
$session_id |
| 8786 |
); |
| 8787 |
} |
| 8788 |
break; |
| 8789 |
|
| 8790 |
case 'custom': |
| 8791 |
// Custom (OpenAI-compatible) provider — Ollama, LM Studio, vLLM, llama.cpp, Azure OpenAI |
| 8792 |
$cp_base_url = isset($this->options['custom_provider_base_url']) ? trim((string) $this->options['custom_provider_base_url']) : ''; |
| 8793 |
if (empty($cp_base_url)) { |
| 8794 |
$error_response = [ |
| 8795 |
'error' => esc_html__('Custom provider is not configured. Set Base URL in MxChat → API Keys → Custom Provider.', 'mxchat'), |
| 8796 |
'error_code' => 'missing_custom_provider_base_url' |
| 8797 |
]; |
| 8798 |
if ($testing_data !== null) { |
| 8799 |
$error_response['testing_data'] = $testing_data; |
| 8800 |
} |
| 8801 |
return $error_response; |
| 8802 |
} |
| 8803 |
if ($streaming) { |
| 8804 |
return $this->mxchat_generate_response_custom_stream( |
| 8805 |
$selected_model, |
| 8806 |
$conversation_history, |
| 8807 |
$relevant_content, |
| 8808 |
$session_id, |
| 8809 |
$testing_data |
| 8810 |
); |
| 8811 |
} else { |
| 8812 |
$response = $this->mxchat_generate_response_custom( |
| 8813 |
$selected_model, |
| 8814 |
$conversation_history, |
| 8815 |
$relevant_content |
| 8816 |
); |
| 8817 |
} |
| 8818 |
break; |
| 8819 |
|
| 8820 |
case 'gpt': |
| 8821 |
case 'o1': |
| 8822 |
if (empty($api_key)) { |
| 8823 |
$error_response = [ |
| 8824 |
'error' => esc_html__('OpenAI API key is not configured', 'mxchat'), |
| 8825 |
'error_code' => 'missing_openai_api_key' |
| 8826 |
]; |
| 8827 |
if ($testing_data !== null) { |
| 8828 |
$error_response['testing_data'] = $testing_data; |
| 8829 |
} |
| 8830 |
return $error_response; |
| 8831 |
} |
| 8832 |
|
| 8833 |
// Check if web search is enabled for this OpenAI model |
| 8834 |
$web_search_enabled = isset($this->options['enable_web_search']) && $this->options['enable_web_search'] === 'on'; |
| 8835 |
// Models that don't support web search |
| 8836 |
$unsupported_web_search_models = array('gpt-4.1-nano'); |
| 8837 |
$model_supports_web_search = !in_array($selected_model, $unsupported_web_search_models); |
| 8838 |
|
| 8839 |
if ($web_search_enabled && $model_supports_web_search) { |
| 8840 |
// Use Responses API (required for some models, or when web search is enabled) |
| 8841 |
return $this->mxchat_generate_response_openai_web_search( |
| 8842 |
$selected_model, |
| 8843 |
$api_key, |
| 8844 |
$conversation_history, |
| 8845 |
$relevant_content, |
| 8846 |
$session_id, |
| 8847 |
$testing_data, |
| 8848 |
$streaming |
| 8849 |
); |
| 8850 |
} elseif ($streaming) { |
| 8851 |
return $this->mxchat_generate_response_openai_stream( |
| 8852 |
$selected_model, |
| 8853 |
$api_key, |
| 8854 |
$conversation_history, |
| 8855 |
$relevant_content, |
| 8856 |
$session_id, |
| 8857 |
$testing_data |
| 8858 |
); |
| 8859 |
} else { |
| 8860 |
$response = $this->mxchat_generate_response_openai( |
| 8861 |
$selected_model, |
| 8862 |
$api_key, |
| 8863 |
$conversation_history, |
| 8864 |
$relevant_content, |
| 8865 |
$session_id |
| 8866 |
); |
| 8867 |
} |
| 8868 |
break; |
| 8869 |
|
| 8870 |
default: |
| 8871 |
if (empty($api_key)) { |
| 8872 |
$error_response = [ |
| 8873 |
'error' => esc_html__('OpenAI API key is not configured', 'mxchat'), |
| 8874 |
'error_code' => 'missing_openai_api_key' |
| 8875 |
]; |
| 8876 |
if ($testing_data !== null) { |
| 8877 |
$error_response['testing_data'] = $testing_data; |
| 8878 |
} |
| 8879 |
return $error_response; |
| 8880 |
} |
| 8881 |
|
| 8882 |
// Check if web search is enabled (default case also handles OpenAI models) |
| 8883 |
$web_search_enabled = isset($this->options['enable_web_search']) && $this->options['enable_web_search'] === 'on'; |
| 8884 |
$unsupported_web_search_models = array('gpt-4.1-nano'); |
| 8885 |
$model_supports_web_search = !in_array($selected_model, $unsupported_web_search_models); |
| 8886 |
|
| 8887 |
if ($web_search_enabled && $model_supports_web_search) { |
| 8888 |
return $this->mxchat_generate_response_openai_web_search( |
| 8889 |
$selected_model, |
| 8890 |
$api_key, |
| 8891 |
$conversation_history, |
| 8892 |
$relevant_content, |
| 8893 |
$session_id, |
| 8894 |
$testing_data, |
| 8895 |
$streaming |
| 8896 |
); |
| 8897 |
} elseif ($streaming) { |
| 8898 |
return $this->mxchat_generate_response_openai_stream( |
| 8899 |
$selected_model, |
| 8900 |
$api_key, |
| 8901 |
$conversation_history, |
| 8902 |
$relevant_content, |
| 8903 |
$session_id, |
| 8904 |
$testing_data |
| 8905 |
); |
| 8906 |
} else { |
| 8907 |
$response = $this->mxchat_generate_response_openai( |
| 8908 |
$selected_model, |
| 8909 |
$api_key, |
| 8910 |
$conversation_history, |
| 8911 |
$relevant_content, |
| 8912 |
$session_id |
| 8913 |
); |
| 8914 |
} |
| 8915 |
break; |
| 8916 |
} |
| 8917 |
|
| 8918 |
if (is_array($response) && isset($response['error'])) { |
| 8919 |
if ($testing_data !== null) { |
| 8920 |
$response['testing_data'] = $testing_data; |
| 8921 |
} |
| 8922 |
return $response; |
| 8923 |
} |
| 8924 |
|
| 8925 |
return $response; |
| 8926 |
|
| 8927 |
} catch (Exception $e) { |
| 8928 |
$error_response = [ |
| 8929 |
'error' => sprintf(esc_html__('An error occurred: %s', 'mxchat'), esc_html($e->getMessage())), |
| 8930 |
'error_code' => 'system_exception', |
| 8931 |
'exception_details' => $e->getMessage() |
| 8932 |
]; |
| 8933 |
|
| 8934 |
if ($testing_data !== null) { |
| 8935 |
$error_response['testing_data'] = $testing_data; |
| 8936 |
} |
| 8937 |
|
| 8938 |
return $error_response; |
| 8939 |
} |
| 8940 |
} |
| 8941 |
private function mxchat_generate_response_openrouter_stream($selected_model, $openrouter_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) { |
| 8942 |
try { |
| 8943 |
$bot_id = $this->get_current_bot_id($session_id); |
| 8944 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 8945 |
|
| 8946 |
if (!is_array($conversation_history)) { |
| 8947 |
$conversation_history = array(); |
| 8948 |
} |
| 8949 |
|
| 8950 |
$formatted_conversation = array(); |
| 8951 |
|
| 8952 |
$formatted_conversation[] = array( |
| 8953 |
'role' => 'system', |
| 8954 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 8955 |
); |
| 8956 |
|
| 8957 |
foreach ($conversation_history as $message) { |
| 8958 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 8959 |
$role = $message['role']; |
| 8960 |
if ($role === 'bot' || $role === 'agent') { |
| 8961 |
$role = 'assistant'; |
| 8962 |
} |
| 8963 |
if (!in_array($role, ['system', 'assistant', 'user'])) { |
| 8964 |
$role = 'user'; |
| 8965 |
} |
| 8966 |
$formatted_conversation[] = array( |
| 8967 |
'role' => $role, |
| 8968 |
'content' => $message['content'] |
| 8969 |
); |
| 8970 |
} |
| 8971 |
} |
| 8972 |
|
| 8973 |
if (headers_sent() || !function_exists('curl_init')) { |
| 8974 |
$regular_response = $this->mxchat_generate_response_openrouter( |
| 8975 |
$selected_model, |
| 8976 |
$openrouter_api_key, |
| 8977 |
$conversation_history, |
| 8978 |
$relevant_content, |
| 8979 |
$session_id |
| 8980 |
); |
| 8981 |
|
| 8982 |
// Save bot response to transcript |
| 8983 |
if (!empty($regular_response) && !empty($session_id)) { |
| 8984 |
$this->mxchat_save_chat_message($session_id, 'bot', $regular_response); |
| 8985 |
} |
| 8986 |
|
| 8987 |
$response_data = [ |
| 8988 |
'text' => $regular_response, |
| 8989 |
'html' => '', |
| 8990 |
'session_id' => $session_id |
| 8991 |
]; |
| 8992 |
|
| 8993 |
if ($testing_data !== null) { |
| 8994 |
$response_data['testing_data'] = $testing_data; |
| 8995 |
} |
| 8996 |
|
| 8997 |
header('Content-Type: application/json'); |
| 8998 |
echo json_encode($response_data); |
| 8999 |
return true; |
| 9000 |
} |
| 9001 |
|
| 9002 |
$body = json_encode([ |
| 9003 |
'model' => $selected_model, |
| 9004 |
'messages' => $formatted_conversation, |
| 9005 |
'temperature' => 1, |
| 9006 |
'stream' => true |
| 9007 |
]); |
| 9008 |
|
| 9009 |
// V2 retry-on-initial-connect: setup_streaming_headers is now lazy-fired |
| 9010 |
// inside WRITEFUNCTION on first byte of a successful upstream. |
| 9011 |
|
| 9012 |
$captured_status_code = 0; |
| 9013 |
$captured_body_pre_stream = ''; |
| 9014 |
$full_response = ''; |
| 9015 |
$stream_started = false; |
| 9016 |
$buffer = ''; |
| 9017 |
$errno = 0; |
| 9018 |
$last_curl_error = ''; |
| 9019 |
$http_code = 0; |
| 9020 |
$max_attempts = $this->mxchat_retry_enabled() ? 3 : 1; |
| 9021 |
$backoff_ms = array(0, 750, 2000); |
| 9022 |
|
| 9023 |
for ($attempt = 0; $attempt < $max_attempts; $attempt++) { |
| 9024 |
if ($attempt > 0 && $backoff_ms[$attempt] > 0) { |
| 9025 |
usleep($backoff_ms[$attempt] * 1000); |
| 9026 |
} |
| 9027 |
|
| 9028 |
$captured_status_code = 0; |
| 9029 |
$captured_body_pre_stream = ''; |
| 9030 |
$full_response = ''; |
| 9031 |
$stream_started = false; |
| 9032 |
$buffer = ''; |
| 9033 |
|
| 9034 |
$ch = curl_init(); |
| 9035 |
curl_setopt($ch, CURLOPT_URL, 'https://openrouter.ai/api/v1/chat/completions'); |
| 9036 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); |
| 9037 |
curl_setopt($ch, CURLOPT_POST, true); |
| 9038 |
curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
| 9039 |
curl_setopt($ch, CURLOPT_HTTPHEADER, array( |
| 9040 |
'Content-Type: application/json', |
| 9041 |
'Authorization: Bearer ' . $openrouter_api_key, |
| 9042 |
'HTTP-Referer: ' . home_url(), |
| 9043 |
'X-Title: ' . get_bloginfo('name') |
| 9044 |
)); |
| 9045 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 9046 |
curl_setopt($ch, CURLOPT_TIMEOUT, 60); |
| 9047 |
|
| 9048 |
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function($ch, $header) use (&$captured_status_code) { |
| 9049 |
if ($captured_status_code === 0 && preg_match('#^HTTP/\S+\s+(\d+)\b#', $header, $m)) { |
| 9050 |
$captured_status_code = (int) $m[1]; |
| 9051 |
} |
| 9052 |
return strlen($header); |
| 9053 |
}); |
| 9054 |
|
| 9055 |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, &$captured_status_code, &$captured_body_pre_stream, $testing_data) { |
| 9056 |
if ($captured_status_code !== 0 && $captured_status_code !== 200) { |
| 9057 |
$captured_body_pre_stream .= $data; |
| 9058 |
return strlen($data); |
| 9059 |
} |
| 9060 |
|
| 9061 |
if (!$this->streaming_headers_sent) { |
| 9062 |
$this->setup_streaming_headers(); |
| 9063 |
} |
| 9064 |
|
| 9065 |
if (!$stream_started && $testing_data !== null) { |
| 9066 |
echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n"; |
| 9067 |
flush(); |
| 9068 |
$stream_started = true; |
| 9069 |
} |
| 9070 |
|
| 9071 |
$buffer .= $data; |
| 9072 |
$lines = explode("\n", $buffer); |
| 9073 |
$buffer = array_pop($lines); |
| 9074 |
|
| 9075 |
foreach ($lines as $line) { |
| 9076 |
if (trim($line) === '') { |
| 9077 |
continue; |
| 9078 |
} |
| 9079 |
if (strpos($line, 'data: ') !== 0) { |
| 9080 |
continue; |
| 9081 |
} |
| 9082 |
|
| 9083 |
$json_str = substr($line, 6); |
| 9084 |
|
| 9085 |
if (trim($json_str) === '[DONE]') { |
| 9086 |
echo "data: [DONE]\n\n"; |
| 9087 |
flush(); |
| 9088 |
continue; |
| 9089 |
} |
| 9090 |
|
| 9091 |
$json = json_decode(trim($json_str), true); |
| 9092 |
if ($json && isset($json['choices'][0]['delta']['content'])) { |
| 9093 |
$content = $json['choices'][0]['delta']['content']; |
| 9094 |
$full_response .= $content; |
| 9095 |
|
| 9096 |
echo "data: " . json_encode(['content' => $content]) . "\n\n"; |
| 9097 |
flush(); |
| 9098 |
} |
| 9099 |
} |
| 9100 |
|
| 9101 |
return strlen($data); |
| 9102 |
}); |
| 9103 |
|
| 9104 |
$response = curl_exec($ch); |
| 9105 |
$errno = curl_errno($ch); |
| 9106 |
$last_curl_error = curl_error($ch); |
| 9107 |
$http_code = $captured_status_code !== 0 ? $captured_status_code : (int) curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 9108 |
curl_close($ch); |
| 9109 |
|
| 9110 |
if (!$errno && $http_code === 200) { |
| 9111 |
break; |
| 9112 |
} |
| 9113 |
|
| 9114 |
$is_transient = $this->mxchat_is_transient_provider_error_raw($http_code, $captured_body_pre_stream, 'openai', $errno); |
| 9115 |
$can_retry = !$this->streaming_headers_sent |
| 9116 |
&& ($attempt + 1) < $max_attempts |
| 9117 |
&& $is_transient; |
| 9118 |
|
| 9119 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 9120 |
error_log(sprintf( |
| 9121 |
'[MxChat] openrouter_stream initial-connect failure (attempt=%d/%d, status=%d, errno=%d, transient=%s, %s).', |
| 9122 |
$attempt + 1, $max_attempts, $http_code, $errno, |
| 9123 |
$is_transient ? 'yes' : 'no', |
| 9124 |
$can_retry ? 'Retrying.' : 'Giving up.' |
| 9125 |
)); |
| 9126 |
} |
| 9127 |
|
| 9128 |
if (!$can_retry) { |
| 9129 |
break; |
| 9130 |
} |
| 9131 |
} |
| 9132 |
|
| 9133 |
if (!$errno && $http_code === 200) { |
| 9134 |
if (!empty($full_response) && !empty($session_id)) { |
| 9135 |
$rag_context_for_storage = null; |
| 9136 |
$has_rag_data = $this->last_similarity_analysis !== null && !empty($this->last_similarity_analysis['top_matches']); |
| 9137 |
$has_action_data = isset($this->last_action_analysis) && !empty($this->last_action_analysis); |
| 9138 |
|
| 9139 |
if ($has_rag_data || $has_action_data) { |
| 9140 |
$rag_context_for_storage = []; |
| 9141 |
|
| 9142 |
if ($has_rag_data) { |
| 9143 |
$rag_context_for_storage['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 9144 |
$rag_context_for_storage['approved_urls'] = $this->current_valid_urls ?? []; |
| 9145 |
$rag_context_for_storage['similarity_threshold'] = $this->last_similarity_analysis['threshold_used'] ?? 0.35; |
| 9146 |
$rag_context_for_storage['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'] ?? 'WordPress Database'; |
| 9147 |
$rag_context_for_storage['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 9148 |
} |
| 9149 |
|
| 9150 |
if ($has_action_data) { |
| 9151 |
$rag_context_for_storage['action_analysis'] = $this->last_action_analysis; |
| 9152 |
} |
| 9153 |
} |
| 9154 |
$this->mxchat_save_chat_message($session_id, 'bot', $full_response, null, $rag_context_for_storage); |
| 9155 |
} |
| 9156 |
return true; |
| 9157 |
} |
| 9158 |
|
| 9159 |
return $this->mxchat_stream_emit_fallback( |
| 9160 |
'openai', |
| 9161 |
$this->mxchat_generate_response_openrouter($selected_model, $openrouter_api_key, $conversation_history, $relevant_content, $session_id), |
| 9162 |
$session_id, |
| 9163 |
$testing_data |
| 9164 |
); |
| 9165 |
|
| 9166 |
} catch (Exception $e) { |
| 9167 |
return $this->mxchat_stream_emit_fallback( |
| 9168 |
'openai', |
| 9169 |
$this->mxchat_generate_response_openrouter($selected_model, $openrouter_api_key, $conversation_history, $relevant_content, $session_id), |
| 9170 |
$session_id, |
| 9171 |
$testing_data |
| 9172 |
); |
| 9173 |
} |
| 9174 |
} |
| 9175 |
private function mxchat_generate_response_openai_stream($selected_model, $api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) { |
| 9176 |
// OpenAI retires gpt-5.1-chat-latest / gpt-5.3-chat-latest on 2026-08-10 |
| 9177 |
// (replacement gpt-5.6-sol). Read-time rescue mirrors the non-streaming |
| 9178 |
// path (plan e46b8f). |
| 9179 |
if ($selected_model === 'gpt-5.1-chat-latest' || $selected_model === 'gpt-5.3-chat-latest') { $selected_model = 'gpt-5.6-sol'; } |
| 9180 |
try { |
| 9181 |
$bot_id = $this->get_current_bot_id($session_id); |
| 9182 |
|
| 9183 |
// Get system prompt instructions using centralized function |
| 9184 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 9185 |
|
| 9186 |
// Ensure conversation_history is an array |
| 9187 |
if (!is_array($conversation_history)) { |
| 9188 |
$conversation_history = array(); |
| 9189 |
} |
| 9190 |
|
| 9191 |
// Format conversation history for OpenAI |
| 9192 |
$formatted_conversation = array(); |
| 9193 |
|
| 9194 |
$formatted_conversation[] = array( |
| 9195 |
'role' => 'system', |
| 9196 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 9197 |
); |
| 9198 |
|
| 9199 |
foreach ($conversation_history as $message) { |
| 9200 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 9201 |
$role = $message['role']; |
| 9202 |
if ($role === 'bot' || $role === 'agent') { |
| 9203 |
$role = 'assistant'; |
| 9204 |
} |
| 9205 |
if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 9206 |
$role = 'user'; |
| 9207 |
} |
| 9208 |
$formatted_conversation[] = array( |
| 9209 |
'role' => $role, |
| 9210 |
'content' => $message['content'] |
| 9211 |
); |
| 9212 |
} |
| 9213 |
} |
| 9214 |
|
| 9215 |
// Check if we can actually stream |
| 9216 |
if (headers_sent() || !function_exists('curl_init')) { |
| 9217 |
// Fallback to regular response with testing data |
| 9218 |
$regular_response = $this->mxchat_generate_response_openai( |
| 9219 |
$selected_model, |
| 9220 |
$api_key, |
| 9221 |
$conversation_history, |
| 9222 |
$relevant_content, |
| 9223 |
$session_id |
| 9224 |
); |
| 9225 |
|
| 9226 |
// Save bot response to transcript |
| 9227 |
if (!empty($regular_response) && !empty($session_id)) { |
| 9228 |
$this->mxchat_save_chat_message($session_id, 'bot', $regular_response); |
| 9229 |
} |
| 9230 |
|
| 9231 |
$response_data = [ |
| 9232 |
'text' => $regular_response, |
| 9233 |
'html' => '', |
| 9234 |
'session_id' => $session_id |
| 9235 |
]; |
| 9236 |
|
| 9237 |
if ($testing_data !== null) { |
| 9238 |
$response_data['testing_data'] = $testing_data; |
| 9239 |
} |
| 9240 |
|
| 9241 |
header('Content-Type: application/json'); |
| 9242 |
echo json_encode($response_data); |
| 9243 |
return true; |
| 9244 |
} |
| 9245 |
|
| 9246 |
// Build request body with optimal settings for fast streaming |
| 9247 |
$request_body = [ |
| 9248 |
'model' => $selected_model, |
| 9249 |
'messages' => $formatted_conversation, |
| 9250 |
'temperature' => 1, |
| 9251 |
'stream' => true |
| 9252 |
]; |
| 9253 |
|
| 9254 |
// reasoning_effort — sourced from the core model catalog (plan-dcb71c); |
| 9255 |
// frozen inline ladder lives in mxchat_reasoning_effort_fallback(). |
| 9256 |
$effort = $this->mxchat_reasoning_effort_for($selected_model, 'chat'); |
| 9257 |
if ($effort !== null) { |
| 9258 |
$request_body['reasoning_effort'] = $effort; |
| 9259 |
} |
| 9260 |
|
| 9261 |
$body = json_encode($request_body); |
| 9262 |
|
| 9263 |
// V2 retry-on-initial-connect: do NOT call setup_streaming_headers() here. |
| 9264 |
// It is now lazy-fired inside the WRITEFUNCTION on the first byte of a |
| 9265 |
// SUCCESSFUL upstream response, gated by the captured HTTP status. |
| 9266 |
|
| 9267 |
$captured_status_code = 0; |
| 9268 |
$captured_body_pre_stream = ''; |
| 9269 |
$full_response = ''; |
| 9270 |
$stream_started = false; |
| 9271 |
$buffer = ''; |
| 9272 |
$errno = 0; |
| 9273 |
$last_curl_error = ''; |
| 9274 |
$http_code = 0; |
| 9275 |
$max_attempts = $this->mxchat_retry_enabled() ? 3 : 1; |
| 9276 |
$backoff_ms = array(0, 750, 2000); |
| 9277 |
|
| 9278 |
for ($attempt = 0; $attempt < $max_attempts; $attempt++) { |
| 9279 |
if ($attempt > 0 && $backoff_ms[$attempt] > 0) { |
| 9280 |
usleep($backoff_ms[$attempt] * 1000); |
| 9281 |
} |
| 9282 |
|
| 9283 |
// Reset per-attempt capture state. |
| 9284 |
$captured_status_code = 0; |
| 9285 |
$captured_body_pre_stream = ''; |
| 9286 |
$full_response = ''; |
| 9287 |
$stream_started = false; |
| 9288 |
$buffer = ''; |
| 9289 |
|
| 9290 |
$ch = curl_init(); |
| 9291 |
curl_setopt($ch, CURLOPT_URL, 'https://api.openai.com/v1/chat/completions'); |
| 9292 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); |
| 9293 |
curl_setopt($ch, CURLOPT_POST, true); |
| 9294 |
curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
| 9295 |
curl_setopt($ch, CURLOPT_HTTPHEADER, array( |
| 9296 |
'Content-Type: application/json', |
| 9297 |
'Authorization: Bearer ' . $api_key |
| 9298 |
)); |
| 9299 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 9300 |
curl_setopt($ch, CURLOPT_TIMEOUT, 60); |
| 9301 |
|
| 9302 |
// Capture HTTP status as soon as response headers arrive — fires before WRITEFUNCTION. |
| 9303 |
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function($ch, $header) use (&$captured_status_code) { |
| 9304 |
if ($captured_status_code === 0 && preg_match('#^HTTP/\S+\s+(\d+)\b#', $header, $m)) { |
| 9305 |
$captured_status_code = (int) $m[1]; |
| 9306 |
} |
| 9307 |
return strlen($header); |
| 9308 |
}); |
| 9309 |
|
| 9310 |
// Buffer control for real-time streaming |
| 9311 |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, &$captured_status_code, &$captured_body_pre_stream, $testing_data) { |
| 9312 |
// V2 guard: if upstream returned non-200, buffer body for transient |
| 9313 |
// classification and DO NOT emit to client. Stream channel must NOT open. |
| 9314 |
if ($captured_status_code !== 0 && $captured_status_code !== 200) { |
| 9315 |
$captured_body_pre_stream .= $data; |
| 9316 |
return strlen($data); |
| 9317 |
} |
| 9318 |
|
| 9319 |
// Lazy-fire streaming headers on first byte of a SUCCESSFUL upstream. |
| 9320 |
// After this point streaming_headers_sent === true → retry is structurally blocked. |
| 9321 |
if (!$this->streaming_headers_sent) { |
| 9322 |
$this->setup_streaming_headers(); |
| 9323 |
} |
| 9324 |
|
| 9325 |
// Send testing data as the first event if available |
| 9326 |
if (!$stream_started && $testing_data !== null) { |
| 9327 |
echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n"; |
| 9328 |
flush(); |
| 9329 |
$stream_started = true; |
| 9330 |
} |
| 9331 |
|
| 9332 |
// CRITICAL FIX: Append new data to buffer |
| 9333 |
$buffer .= $data; |
| 9334 |
|
| 9335 |
// Process complete lines only |
| 9336 |
$lines = explode("\n", $buffer); |
| 9337 |
|
| 9338 |
// CRITICAL FIX: Keep the last incomplete line in the buffer |
| 9339 |
$buffer = array_pop($lines); |
| 9340 |
|
| 9341 |
foreach ($lines as $line) { |
| 9342 |
if (trim($line) === '') { |
| 9343 |
continue; |
| 9344 |
} |
| 9345 |
if (strpos($line, 'data: ') !== 0) { |
| 9346 |
continue; |
| 9347 |
} |
| 9348 |
|
| 9349 |
$json_str = substr($line, 6); |
| 9350 |
|
| 9351 |
if (trim($json_str) === '[DONE]') { |
| 9352 |
echo "data: [DONE]\n\n"; |
| 9353 |
flush(); |
| 9354 |
continue; |
| 9355 |
} |
| 9356 |
|
| 9357 |
$json = json_decode(trim($json_str), true); |
| 9358 |
if ($json && isset($json['choices'][0]['delta']['content'])) { |
| 9359 |
$content = $json['choices'][0]['delta']['content']; |
| 9360 |
$full_response .= $content; |
| 9361 |
|
| 9362 |
echo "data: " . json_encode(['content' => $content]) . "\n\n"; |
| 9363 |
flush(); |
| 9364 |
} |
| 9365 |
} |
| 9366 |
|
| 9367 |
return strlen($data); |
| 9368 |
}); |
| 9369 |
|
| 9370 |
$response = curl_exec($ch); |
| 9371 |
$errno = curl_errno($ch); |
| 9372 |
$last_curl_error = curl_error($ch); |
| 9373 |
$http_code = $captured_status_code !== 0 ? $captured_status_code : (int) curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 9374 |
curl_close($ch); |
| 9375 |
|
| 9376 |
if (!$errno && $http_code === 200) { |
| 9377 |
break; // Happy path — WRITEFUNCTION already streamed everything. |
| 9378 |
} |
| 9379 |
|
| 9380 |
$is_transient = $this->mxchat_is_transient_provider_error_raw($http_code, $captured_body_pre_stream, 'openai', $errno); |
| 9381 |
$can_retry = !$this->streaming_headers_sent |
| 9382 |
&& ($attempt + 1) < $max_attempts |
| 9383 |
&& $is_transient; |
| 9384 |
|
| 9385 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 9386 |
error_log(sprintf( |
| 9387 |
'[MxChat] openai_stream initial-connect failure (attempt=%d/%d, status=%d, errno=%d, transient=%s, %s).', |
| 9388 |
$attempt + 1, $max_attempts, $http_code, $errno, |
| 9389 |
$is_transient ? 'yes' : 'no', |
| 9390 |
$can_retry ? 'Retrying.' : 'Giving up.' |
| 9391 |
)); |
| 9392 |
} |
| 9393 |
|
| 9394 |
if (!$can_retry) { |
| 9395 |
break; |
| 9396 |
} |
| 9397 |
} |
| 9398 |
|
| 9399 |
// Post-loop branch. |
| 9400 |
if (!$errno && $http_code === 200) { |
| 9401 |
// Happy path — save the complete response to maintain chat persistence. |
| 9402 |
if (!empty($full_response) && !empty($session_id)) { |
| 9403 |
$rag_context_for_storage = null; |
| 9404 |
$has_rag_data = $this->last_similarity_analysis !== null && !empty($this->last_similarity_analysis['top_matches']); |
| 9405 |
$has_action_data = isset($this->last_action_analysis) && !empty($this->last_action_analysis); |
| 9406 |
|
| 9407 |
if ($has_rag_data || $has_action_data) { |
| 9408 |
$rag_context_for_storage = []; |
| 9409 |
|
| 9410 |
if ($has_rag_data) { |
| 9411 |
$rag_context_for_storage['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 9412 |
$rag_context_for_storage['approved_urls'] = $this->current_valid_urls ?? []; |
| 9413 |
$rag_context_for_storage['similarity_threshold'] = $this->last_similarity_analysis['threshold_used'] ?? 0.35; |
| 9414 |
$rag_context_for_storage['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'] ?? 'WordPress Database'; |
| 9415 |
$rag_context_for_storage['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 9416 |
} |
| 9417 |
|
| 9418 |
if ($has_action_data) { |
| 9419 |
$rag_context_for_storage['action_analysis'] = $this->last_action_analysis; |
| 9420 |
} |
| 9421 |
} |
| 9422 |
$this->mxchat_save_chat_message($session_id, 'bot', $full_response, null, $rag_context_for_storage); |
| 9423 |
} |
| 9424 |
|
| 9425 |
return true; |
| 9426 |
} |
| 9427 |
|
| 9428 |
// Failure path — branch on whether SSE channel was opened. |
| 9429 |
return $this->mxchat_stream_emit_fallback( |
| 9430 |
'openai', |
| 9431 |
$this->mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content, $session_id), |
| 9432 |
$session_id, |
| 9433 |
$testing_data |
| 9434 |
); |
| 9435 |
|
| 9436 |
} catch (Exception $e) { |
| 9437 |
return $this->mxchat_stream_emit_fallback( |
| 9438 |
'openai', |
| 9439 |
$this->mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content, $session_id), |
| 9440 |
$session_id, |
| 9441 |
$testing_data |
| 9442 |
); |
| 9443 |
} |
| 9444 |
} |
| 9445 |
|
| 9446 |
/** |
| 9447 |
* Shared fallback emitter for streaming chat functions. Two outcomes: |
| 9448 |
* - streaming_headers_sent === true: SSE channel is open. Emit fallback content |
| 9449 |
* as `data: {...}\n\n` + `data: [DONE]\n\n` so the widget renders it as a |
| 9450 |
* normal bot bubble. Transcript row is persisted. |
| 9451 |
* - streaming_headers_sent === false: SSE channel never opened (retries |
| 9452 |
* exhausted on initial connect). Emit a clean JSON response — the path |
| 9453 |
* the widget would normally hit if streaming wasn't even attempted. |
| 9454 |
* |
| 9455 |
* Used by all six *_stream functions after their per-attempt retry loop. |
| 9456 |
*/ |
| 9457 |
private function mxchat_stream_emit_fallback($provider_hint, $regular_response, $session_id, $testing_data = null) { |
| 9458 |
$is_error_array = is_array($regular_response) && isset($regular_response['error']); |
| 9459 |
|
| 9460 |
if ($this->streaming_headers_sent) { |
| 9461 |
if ($is_error_array) { |
| 9462 |
echo "data: " . json_encode([ |
| 9463 |
'error' => true, |
| 9464 |
'error_message' => $regular_response['error'], |
| 9465 |
'error_code' => $regular_response['error_code'] ?? 'api_error', |
| 9466 |
'text' => $regular_response['error'], |
| 9467 |
'message' => $regular_response['error'] |
| 9468 |
]) . "\n\n"; |
| 9469 |
echo "data: [DONE]\n\n"; |
| 9470 |
flush(); |
| 9471 |
return true; |
| 9472 |
} |
| 9473 |
$fallback_message = (string) $regular_response; |
| 9474 |
if (!empty($fallback_message) && !empty($session_id)) { |
| 9475 |
$this->mxchat_save_chat_message($session_id, 'bot', $fallback_message); |
| 9476 |
} |
| 9477 |
echo "data: " . json_encode(['content' => $fallback_message]) . "\n\n"; |
| 9478 |
echo "data: [DONE]\n\n"; |
| 9479 |
flush(); |
| 9480 |
return true; |
| 9481 |
} |
| 9482 |
|
| 9483 |
// SSE channel never opened — clean JSON fallback. |
| 9484 |
if ($is_error_array) { |
| 9485 |
header('Content-Type: application/json'); |
| 9486 |
echo json_encode(array( |
| 9487 |
'error' => true, |
| 9488 |
'error_message' => $regular_response['error'], |
| 9489 |
'error_code' => $regular_response['error_code'] ?? 'api_error', |
| 9490 |
'text' => $regular_response['error'], |
| 9491 |
'message' => $regular_response['error'], |
| 9492 |
)); |
| 9493 |
return true; |
| 9494 |
} |
| 9495 |
|
| 9496 |
$fallback_message = (string) $regular_response; |
| 9497 |
if (!empty($fallback_message) && !empty($session_id)) { |
| 9498 |
$this->mxchat_save_chat_message($session_id, 'bot', $fallback_message); |
| 9499 |
} |
| 9500 |
$response_data = array( |
| 9501 |
'text' => $fallback_message, |
| 9502 |
'html' => '', |
| 9503 |
'session_id' => $session_id, |
| 9504 |
); |
| 9505 |
if ($testing_data !== null) { |
| 9506 |
$response_data['testing_data'] = $testing_data; |
| 9507 |
} |
| 9508 |
header('Content-Type: application/json'); |
| 9509 |
echo json_encode($response_data); |
| 9510 |
return true; |
| 9511 |
} |
| 9512 |
|
| 9513 |
/** |
| 9514 |
* Resolve custom (OpenAI-compatible) provider config from settings. |
| 9515 |
* Returns ['base_url','api_key','model','auth_scheme','api_version','chat_url','headers']. |
| 9516 |
*/ |
| 9517 |
private function mxchat_resolve_custom_provider() { |
| 9518 |
$base_url = isset($this->options['custom_provider_base_url']) ? rtrim(trim((string) $this->options['custom_provider_base_url']), '/') : ''; |
| 9519 |
$api_key = isset($this->options['custom_provider_api_key']) ? trim((string) $this->options['custom_provider_api_key']) : ''; |
| 9520 |
$model = isset($this->options['custom_provider_model']) ? trim((string) $this->options['custom_provider_model']) : ''; |
| 9521 |
$auth_scheme = isset($this->options['custom_provider_auth_scheme']) ? $this->options['custom_provider_auth_scheme'] : 'bearer'; |
| 9522 |
$api_version = isset($this->options['custom_provider_api_version']) ? trim((string) $this->options['custom_provider_api_version']) : ''; |
| 9523 |
|
| 9524 |
$chat_url = $base_url . '/chat/completions'; |
| 9525 |
if (!empty($api_version)) { |
| 9526 |
$chat_url .= (strpos($chat_url, '?') === false ? '?' : '&') . 'api-version=' . rawurlencode($api_version); |
| 9527 |
} |
| 9528 |
|
| 9529 |
$headers = array('Content-Type: application/json'); |
| 9530 |
if (!empty($api_key)) { |
| 9531 |
if ($auth_scheme === 'api-key') { |
| 9532 |
$headers[] = 'api-key: ' . $api_key; |
| 9533 |
} else { |
| 9534 |
$headers[] = 'Authorization: Bearer ' . $api_key; |
| 9535 |
} |
| 9536 |
} |
| 9537 |
|
| 9538 |
return array( |
| 9539 |
'base_url' => $base_url, |
| 9540 |
'api_key' => $api_key, |
| 9541 |
'model' => $model !== '' ? $model : 'default', |
| 9542 |
'auth_scheme' => $auth_scheme, |
| 9543 |
'api_version' => $api_version, |
| 9544 |
'chat_url' => $chat_url, |
| 9545 |
'headers' => $headers, |
| 9546 |
); |
| 9547 |
} |
| 9548 |
|
| 9549 |
/** |
| 9550 |
* Streaming chat completion against an OpenAI-compatible custom provider |
| 9551 |
* (Ollama, LM Studio, vLLM, llama.cpp, Azure OpenAI, etc.). |
| 9552 |
* Mirrors mxchat_generate_response_openai_stream but with parameterized URL/auth/model. |
| 9553 |
*/ |
| 9554 |
private function mxchat_generate_response_custom_stream($selected_model, $conversation_history, $relevant_content, $session_id, $testing_data = null) { |
| 9555 |
try { |
| 9556 |
$cfg = $this->mxchat_resolve_custom_provider(); |
| 9557 |
if (empty($cfg['base_url'])) { |
| 9558 |
return array('error' => esc_html__('Custom provider Base URL is not configured.', 'mxchat'), 'error_code' => 'missing_custom_provider_base_url'); |
| 9559 |
} |
| 9560 |
|
| 9561 |
$bot_id = $this->get_current_bot_id($session_id); |
| 9562 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 9563 |
if (!is_array($conversation_history)) { |
| 9564 |
$conversation_history = array(); |
| 9565 |
} |
| 9566 |
|
| 9567 |
$formatted_conversation = array(); |
| 9568 |
$formatted_conversation[] = array( |
| 9569 |
'role' => 'system', |
| 9570 |
'content' => $system_prompt_instructions . ' ' . $relevant_content, |
| 9571 |
); |
| 9572 |
foreach ($conversation_history as $message) { |
| 9573 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 9574 |
$role = $message['role']; |
| 9575 |
if ($role === 'bot' || $role === 'agent') { $role = 'assistant'; } |
| 9576 |
if (!in_array($role, array('system', 'assistant', 'user', 'function', 'tool'))) { $role = 'user'; } |
| 9577 |
$formatted_conversation[] = array('role' => $role, 'content' => $message['content']); |
| 9578 |
} |
| 9579 |
} |
| 9580 |
|
| 9581 |
if (headers_sent() || !function_exists('curl_init')) { |
| 9582 |
// No streaming capability — fall through to non-stream wrapper |
| 9583 |
$regular = $this->mxchat_generate_response_custom($selected_model, $conversation_history, $relevant_content); |
| 9584 |
if (!empty($regular) && !empty($session_id) && is_string($regular)) { |
| 9585 |
$this->mxchat_save_chat_message($session_id, 'bot', $regular); |
| 9586 |
} |
| 9587 |
$response_data = array('text' => is_string($regular) ? $regular : '', 'html' => '', 'session_id' => $session_id); |
| 9588 |
if ($testing_data !== null) { $response_data['testing_data'] = $testing_data; } |
| 9589 |
header('Content-Type: application/json'); |
| 9590 |
echo json_encode($response_data); |
| 9591 |
return true; |
| 9592 |
} |
| 9593 |
|
| 9594 |
$request_body = array( |
| 9595 |
'model' => $cfg['model'], |
| 9596 |
'messages' => $formatted_conversation, |
| 9597 |
'stream' => true, |
| 9598 |
); |
| 9599 |
$body = json_encode($request_body); |
| 9600 |
|
| 9601 |
// V2 retry-on-initial-connect: setup_streaming_headers is lazy-fired in WRITEFUNCTION. |
| 9602 |
|
| 9603 |
$captured_status_code = 0; |
| 9604 |
$captured_body_pre_stream = ''; |
| 9605 |
$full_response = ''; |
| 9606 |
$stream_started = false; |
| 9607 |
$buffer = ''; |
| 9608 |
$errno = 0; |
| 9609 |
$http_code = 0; |
| 9610 |
$max_attempts = $this->mxchat_retry_enabled() ? 3 : 1; |
| 9611 |
$backoff_ms = array(0, 750, 2000); |
| 9612 |
|
| 9613 |
for ($attempt = 0; $attempt < $max_attempts; $attempt++) { |
| 9614 |
if ($attempt > 0 && $backoff_ms[$attempt] > 0) { |
| 9615 |
usleep($backoff_ms[$attempt] * 1000); |
| 9616 |
} |
| 9617 |
|
| 9618 |
$captured_status_code = 0; |
| 9619 |
$captured_body_pre_stream = ''; |
| 9620 |
$full_response = ''; |
| 9621 |
$stream_started = false; |
| 9622 |
$buffer = ''; |
| 9623 |
|
| 9624 |
$ch = curl_init(); |
| 9625 |
curl_setopt($ch, CURLOPT_URL, $cfg['chat_url']); |
| 9626 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); |
| 9627 |
curl_setopt($ch, CURLOPT_POST, true); |
| 9628 |
curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
| 9629 |
curl_setopt($ch, CURLOPT_HTTPHEADER, $cfg['headers']); |
| 9630 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 9631 |
curl_setopt($ch, CURLOPT_TIMEOUT, 120); |
| 9632 |
|
| 9633 |
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function($ch, $header) use (&$captured_status_code) { |
| 9634 |
if ($captured_status_code === 0 && preg_match('#^HTTP/\S+\s+(\d+)\b#', $header, $m)) { |
| 9635 |
$captured_status_code = (int) $m[1]; |
| 9636 |
} |
| 9637 |
return strlen($header); |
| 9638 |
}); |
| 9639 |
|
| 9640 |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, &$captured_status_code, &$captured_body_pre_stream, $testing_data) { |
| 9641 |
if ($captured_status_code !== 0 && $captured_status_code !== 200) { |
| 9642 |
$captured_body_pre_stream .= $data; |
| 9643 |
return strlen($data); |
| 9644 |
} |
| 9645 |
|
| 9646 |
if (!$this->streaming_headers_sent) { |
| 9647 |
$this->setup_streaming_headers(); |
| 9648 |
} |
| 9649 |
|
| 9650 |
if (!$stream_started && $testing_data !== null) { |
| 9651 |
echo "data: " . json_encode(array('testing_data' => $testing_data)) . "\n\n"; |
| 9652 |
flush(); |
| 9653 |
$stream_started = true; |
| 9654 |
} |
| 9655 |
$buffer .= $data; |
| 9656 |
$lines = explode("\n", $buffer); |
| 9657 |
$buffer = array_pop($lines); |
| 9658 |
foreach ($lines as $line) { |
| 9659 |
if (trim($line) === '') { continue; } |
| 9660 |
if (strpos($line, 'data: ') !== 0) { continue; } |
| 9661 |
$json_str = substr($line, 6); |
| 9662 |
if (trim($json_str) === '[DONE]') { |
| 9663 |
echo "data: [DONE]\n\n"; |
| 9664 |
flush(); |
| 9665 |
continue; |
| 9666 |
} |
| 9667 |
$json = json_decode(trim($json_str), true); |
| 9668 |
if ($json && isset($json['choices'][0]['delta']['content'])) { |
| 9669 |
$content = $json['choices'][0]['delta']['content']; |
| 9670 |
$full_response .= $content; |
| 9671 |
echo "data: " . json_encode(array('content' => $content)) . "\n\n"; |
| 9672 |
flush(); |
| 9673 |
} |
| 9674 |
} |
| 9675 |
return strlen($data); |
| 9676 |
}); |
| 9677 |
|
| 9678 |
$response = curl_exec($ch); |
| 9679 |
$errno = curl_errno($ch); |
| 9680 |
$http_code = $captured_status_code !== 0 ? $captured_status_code : (int) curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 9681 |
curl_close($ch); |
| 9682 |
|
| 9683 |
if (!$errno && $http_code === 200) { |
| 9684 |
break; |
| 9685 |
} |
| 9686 |
|
| 9687 |
$is_transient = $this->mxchat_is_transient_provider_error_raw($http_code, $captured_body_pre_stream, 'openai', $errno); |
| 9688 |
$can_retry = !$this->streaming_headers_sent |
| 9689 |
&& ($attempt + 1) < $max_attempts |
| 9690 |
&& $is_transient; |
| 9691 |
|
| 9692 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 9693 |
error_log(sprintf( |
| 9694 |
'[MxChat] custom_stream initial-connect failure (attempt=%d/%d, status=%d, errno=%d, transient=%s, %s).', |
| 9695 |
$attempt + 1, $max_attempts, $http_code, $errno, |
| 9696 |
$is_transient ? 'yes' : 'no', |
| 9697 |
$can_retry ? 'Retrying.' : 'Giving up.' |
| 9698 |
)); |
| 9699 |
} |
| 9700 |
|
| 9701 |
if (!$can_retry) { |
| 9702 |
break; |
| 9703 |
} |
| 9704 |
} |
| 9705 |
|
| 9706 |
if (!$errno && $http_code === 200) { |
| 9707 |
if (!empty($full_response) && !empty($session_id)) { |
| 9708 |
$this->mxchat_save_chat_message($session_id, 'bot', $full_response); |
| 9709 |
} |
| 9710 |
return true; |
| 9711 |
} |
| 9712 |
|
| 9713 |
return $this->mxchat_stream_emit_fallback( |
| 9714 |
'openai', |
| 9715 |
$this->mxchat_generate_response_custom($selected_model, $conversation_history, $relevant_content), |
| 9716 |
$session_id, |
| 9717 |
$testing_data |
| 9718 |
); |
| 9719 |
|
| 9720 |
} catch (Exception $e) { |
| 9721 |
return array('error' => sprintf(esc_html__('Custom provider error: %s', 'mxchat'), $e->getMessage()), 'error_code' => 'custom_provider_exception'); |
| 9722 |
} |
| 9723 |
} |
| 9724 |
|
| 9725 |
/** |
| 9726 |
* Non-streaming chat completion against a custom OpenAI-compatible provider. |
| 9727 |
* Returns string content on success, array['error'=>...] on failure. |
| 9728 |
*/ |
| 9729 |
private function mxchat_generate_response_custom($selected_model, $conversation_history, $relevant_content) { |
| 9730 |
$cfg = $this->mxchat_resolve_custom_provider(); |
| 9731 |
if (empty($cfg['base_url'])) { |
| 9732 |
return array('error' => esc_html__('Custom provider Base URL is not configured.', 'mxchat'), 'error_code' => 'missing_custom_provider_base_url'); |
| 9733 |
} |
| 9734 |
|
| 9735 |
$bot_id = $this->get_current_bot_id(null); |
| 9736 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, null); |
| 9737 |
if (!is_array($conversation_history)) { |
| 9738 |
$conversation_history = array(); |
| 9739 |
} |
| 9740 |
|
| 9741 |
$messages = array(array( |
| 9742 |
'role' => 'system', |
| 9743 |
'content' => $system_prompt_instructions . ' ' . $relevant_content, |
| 9744 |
)); |
| 9745 |
foreach ($conversation_history as $message) { |
| 9746 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 9747 |
$role = $message['role']; |
| 9748 |
if ($role === 'bot' || $role === 'agent') { $role = 'assistant'; } |
| 9749 |
if (!in_array($role, array('system', 'assistant', 'user', 'function', 'tool'))) { $role = 'user'; } |
| 9750 |
$messages[] = array('role' => $role, 'content' => $message['content']); |
| 9751 |
} |
| 9752 |
} |
| 9753 |
|
| 9754 |
$headers_assoc = array('Content-Type' => 'application/json'); |
| 9755 |
if (!empty($cfg['api_key'])) { |
| 9756 |
if ($cfg['auth_scheme'] === 'api-key') { |
| 9757 |
$headers_assoc['api-key'] = $cfg['api_key']; |
| 9758 |
} else { |
| 9759 |
$headers_assoc['Authorization'] = 'Bearer ' . $cfg['api_key']; |
| 9760 |
} |
| 9761 |
} |
| 9762 |
|
| 9763 |
$response = $this->mxchat_provider_call_with_retry($cfg['chat_url'], array( |
| 9764 |
'headers' => $headers_assoc, |
| 9765 |
'body' => wp_json_encode(array( |
| 9766 |
'model' => $cfg['model'], |
| 9767 |
'messages' => $messages, |
| 9768 |
)), |
| 9769 |
'timeout' => 120, |
| 9770 |
), 'openai'); |
| 9771 |
|
| 9772 |
if (is_wp_error($response)) { |
| 9773 |
return array('error' => sprintf(esc_html__('Custom provider request failed: %s', 'mxchat'), $response->get_error_message()), 'error_code' => 'custom_provider_network_error'); |
| 9774 |
} |
| 9775 |
$code = (int) wp_remote_retrieve_response_code($response); |
| 9776 |
if ($code < 200 || $code >= 300) { |
| 9777 |
return array('error' => sprintf(esc_html__('Custom provider returned HTTP %d.', 'mxchat'), $code), 'error_code' => 'custom_provider_http_error'); |
| 9778 |
} |
| 9779 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 9780 |
if (isset($body['choices'][0]['message']['content'])) { |
| 9781 |
return (string) $body['choices'][0]['message']['content']; |
| 9782 |
} |
| 9783 |
return array('error' => esc_html__('Custom provider returned an unexpected response shape.', 'mxchat'), 'error_code' => 'custom_provider_response_shape'); |
| 9784 |
} |
| 9785 |
|
| 9786 |
/** |
| 9787 |
* Generate response using OpenAI Responses API with web search tool |
| 9788 |
* This uses the newer Responses API which supports web search functionality |
| 9789 |
*/ |
| 9790 |
private function mxchat_generate_response_openai_web_search($selected_model, $api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null, $streaming = false) { |
| 9791 |
// OpenAI retires gpt-5.1-chat-latest / gpt-5.3-chat-latest on 2026-08-10 |
| 9792 |
// (replacement gpt-5.6-sol). Read-time rescue mirrors the chat paths |
| 9793 |
// (plan e46b8f). |
| 9794 |
if ($selected_model === 'gpt-5.1-chat-latest' || $selected_model === 'gpt-5.3-chat-latest') { $selected_model = 'gpt-5.6-sol'; } |
| 9795 |
try { |
| 9796 |
$bot_id = $this->get_current_bot_id($session_id); |
| 9797 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 9798 |
|
| 9799 |
if (!is_array($conversation_history)) { |
| 9800 |
$conversation_history = array(); |
| 9801 |
} |
| 9802 |
|
| 9803 |
// Build the input for Responses API |
| 9804 |
// The Responses API uses a different format - we need to construct the input properly |
| 9805 |
$input_parts = []; |
| 9806 |
|
| 9807 |
// Add system instructions as context |
| 9808 |
$system_context = $system_prompt_instructions . "\n\n" . $relevant_content; |
| 9809 |
|
| 9810 |
// Build conversation as input items for Responses API |
| 9811 |
foreach ($conversation_history as $message) { |
| 9812 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 9813 |
$role = $message['role']; |
| 9814 |
if ($role === 'bot' || $role === 'agent') { |
| 9815 |
$role = 'assistant'; |
| 9816 |
} |
| 9817 |
if (!in_array($role, ['assistant', 'user'])) { |
| 9818 |
$role = 'user'; |
| 9819 |
} |
| 9820 |
$input_parts[] = [ |
| 9821 |
'type' => 'message', |
| 9822 |
'role' => $role, |
| 9823 |
'content' => $message['content'] |
| 9824 |
]; |
| 9825 |
} |
| 9826 |
} |
| 9827 |
|
| 9828 |
// Build request body for Responses API |
| 9829 |
$request_body = [ |
| 9830 |
'model' => $selected_model, |
| 9831 |
'input' => $input_parts, |
| 9832 |
'instructions' => $system_context, |
| 9833 |
'stream' => $streaming |
| 9834 |
]; |
| 9835 |
|
| 9836 |
// Only add web search tool if web search is enabled in settings |
| 9837 |
$web_search_enabled = isset($this->options['enable_web_search']) && $this->options['enable_web_search'] === 'on'; |
| 9838 |
if ($web_search_enabled) { |
| 9839 |
$request_body['tools'] = [ |
| 9840 |
['type' => 'web_search'] |
| 9841 |
]; |
| 9842 |
} |
| 9843 |
|
| 9844 |
// reasoning.effort — sourced from the core model catalog (plan-dcb71c), |
| 9845 |
// 'websearch' surface; frozen inline ladder in mxchat_reasoning_effort_fallback(). |
| 9846 |
$effort = $this->mxchat_reasoning_effort_for($selected_model, 'websearch'); |
| 9847 |
if ($effort !== null) { |
| 9848 |
$request_body['reasoning'] = ['effort' => $effort]; |
| 9849 |
} |
| 9850 |
|
| 9851 |
//error_log("MXCHAT WEB SEARCH: Request body: " . json_encode($request_body)); |
| 9852 |
|
| 9853 |
if ($streaming) { |
| 9854 |
return $this->mxchat_web_search_streaming_response($request_body, $api_key, $session_id, $testing_data); |
| 9855 |
} else { |
| 9856 |
return $this->mxchat_web_search_non_streaming_response($request_body, $api_key, $session_id, $testing_data); |
| 9857 |
} |
| 9858 |
|
| 9859 |
} catch (Exception $e) { |
| 9860 |
//error_log("MXCHAT WEB SEARCH ERROR: " . $e->getMessage()); |
| 9861 |
return [ |
| 9862 |
'error' => sprintf(esc_html__('Web search error: %s', 'mxchat'), esc_html($e->getMessage())), |
| 9863 |
'error_code' => 'web_search_exception' |
| 9864 |
]; |
| 9865 |
} |
| 9866 |
} |
| 9867 |
|
| 9868 |
/** |
| 9869 |
* Handle non-streaming web search response |
| 9870 |
*/ |
| 9871 |
private function mxchat_web_search_non_streaming_response($request_body, $api_key, $session_id, $testing_data) { |
| 9872 |
$request_body['stream'] = false; |
| 9873 |
|
| 9874 |
$response = $this->mxchat_provider_call_with_retry('https://api.openai.com/v1/responses', array( |
| 9875 |
'headers' => array( |
| 9876 |
'Authorization' => 'Bearer ' . $api_key, |
| 9877 |
'Content-Type' => 'application/json' |
| 9878 |
), |
| 9879 |
'body' => json_encode($request_body), |
| 9880 |
'timeout' => 90 |
| 9881 |
), 'openai'); |
| 9882 |
|
| 9883 |
if (is_wp_error($response)) { |
| 9884 |
//error_log("MXCHAT WEB SEARCH ERROR: WP Error: " . $response->get_error_message()); |
| 9885 |
return [ |
| 9886 |
'error' => esc_html__('Failed to connect to OpenAI web search API', 'mxchat'), |
| 9887 |
'error_code' => 'web_search_connection_error' |
| 9888 |
]; |
| 9889 |
} |
| 9890 |
|
| 9891 |
$response_code = wp_remote_retrieve_response_code($response); |
| 9892 |
$response_body = wp_remote_retrieve_body($response); |
| 9893 |
|
| 9894 |
//error_log("MXCHAT WEB SEARCH: Response code: " . $response_code); |
| 9895 |
//error_log("MXCHAT WEB SEARCH: Response body (first 2000): " . substr($response_body, 0, 2000)); |
| 9896 |
|
| 9897 |
if ($response_code !== 200) { |
| 9898 |
$error_data = json_decode($response_body, true); |
| 9899 |
$error_message = $this->extract_provider_error($error_data, 'Unknown API error'); |
| 9900 |
return [ |
| 9901 |
'error' => sprintf(esc_html__('OpenAI API error: %s', 'mxchat'), esc_html($error_message)), |
| 9902 |
'error_code' => 'web_search_api_error' |
| 9903 |
]; |
| 9904 |
} |
| 9905 |
|
| 9906 |
$result = json_decode($response_body, true); |
| 9907 |
|
| 9908 |
if (json_last_error() !== JSON_ERROR_NONE) { |
| 9909 |
return [ |
| 9910 |
'error' => esc_html__('Invalid response from OpenAI', 'mxchat'), |
| 9911 |
'error_code' => 'web_search_json_error' |
| 9912 |
]; |
| 9913 |
} |
| 9914 |
|
| 9915 |
// Extract the response text and citations from Responses API format |
| 9916 |
$output_text = ''; |
| 9917 |
$citations = []; |
| 9918 |
|
| 9919 |
if (isset($result['output'])) { |
| 9920 |
foreach ($result['output'] as $output_item) { |
| 9921 |
if ($output_item['type'] === 'message' && isset($output_item['content'])) { |
| 9922 |
foreach ($output_item['content'] as $content_item) { |
| 9923 |
if ($content_item['type'] === 'output_text') { |
| 9924 |
$output_text .= $content_item['text']; |
| 9925 |
|
| 9926 |
// Extract citations/annotations |
| 9927 |
if (isset($content_item['annotations'])) { |
| 9928 |
foreach ($content_item['annotations'] as $annotation) { |
| 9929 |
if ($annotation['type'] === 'url_citation') { |
| 9930 |
$citations[] = [ |
| 9931 |
'url' => $annotation['url'], |
| 9932 |
'title' => $annotation['title'] ?? '' |
| 9933 |
]; |
| 9934 |
} |
| 9935 |
} |
| 9936 |
} |
| 9937 |
} |
| 9938 |
} |
| 9939 |
} |
| 9940 |
} |
| 9941 |
} |
| 9942 |
|
| 9943 |
// If we have citations, append them to the response |
| 9944 |
if (!empty($citations)) { |
| 9945 |
$output_text .= "\n\n**Sources:**\n"; |
| 9946 |
$seen_urls = []; |
| 9947 |
foreach ($citations as $citation) { |
| 9948 |
if (!in_array($citation['url'], $seen_urls)) { |
| 9949 |
$seen_urls[] = $citation['url']; |
| 9950 |
$title = !empty($citation['title']) ? $citation['title'] : $citation['url']; |
| 9951 |
$output_text .= "- [" . $title . "](" . $citation['url'] . ")\n"; |
| 9952 |
} |
| 9953 |
} |
| 9954 |
} |
| 9955 |
|
| 9956 |
// Transcript save is handled by the main handler (mxchat_handle_chat_request) |
| 9957 |
// which includes rag_context for the "sources" link in transcripts. |
| 9958 |
|
| 9959 |
// plan-4aa8e5: a 200 whose output carries no output_text (status |
| 9960 |
// "incomplete" with max_output_tokens exhausted, content-filter-emptied |
| 9961 |
// output, shape drift) previously fell through and returned '' — a |
| 9962 |
// silent empty bot bubble. This is the DEFAULT model path |
| 9963 |
// (the default OpenAI chat model routes through /v1/responses). |
| 9964 |
if (trim($output_text) === '') { |
| 9965 |
return $this->mxchat_empty_completion_error($result, 'OpenAI'); |
| 9966 |
} |
| 9967 |
|
| 9968 |
return $output_text; |
| 9969 |
} |
| 9970 |
|
| 9971 |
/** |
| 9972 |
* Handle streaming web search response using Responses API |
| 9973 |
*/ |
| 9974 |
private function mxchat_web_search_streaming_response($request_body, $api_key, $session_id, $testing_data) { |
| 9975 |
$request_body['stream'] = true; |
| 9976 |
|
| 9977 |
// Check if we can stream |
| 9978 |
if (headers_sent() || !function_exists('curl_init')) { |
| 9979 |
// Fallback to non-streaming |
| 9980 |
return $this->mxchat_web_search_non_streaming_response($request_body, $api_key, $session_id, $testing_data); |
| 9981 |
} |
| 9982 |
|
| 9983 |
// Setup streaming headers |
| 9984 |
$this->setup_streaming_headers(); |
| 9985 |
|
| 9986 |
$ch = curl_init(); |
| 9987 |
curl_setopt($ch, CURLOPT_URL, 'https://api.openai.com/v1/responses'); |
| 9988 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); |
| 9989 |
curl_setopt($ch, CURLOPT_POST, true); |
| 9990 |
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($request_body)); |
| 9991 |
curl_setopt($ch, CURLOPT_HTTPHEADER, array( |
| 9992 |
'Content-Type: application/json', |
| 9993 |
'Authorization: Bearer ' . $api_key |
| 9994 |
)); |
| 9995 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 9996 |
curl_setopt($ch, CURLOPT_TIMEOUT, 120); |
| 9997 |
|
| 9998 |
$full_response = ''; |
| 9999 |
$stream_started = false; |
| 10000 |
$buffer = ''; |
| 10001 |
$citations = []; |
| 10002 |
$empty_error_emitted = false; |
| 10003 |
|
| 10004 |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, &$citations, &$empty_error_emitted, $testing_data) { |
| 10005 |
// Send testing data as first event if available |
| 10006 |
if (!$stream_started && $testing_data !== null) { |
| 10007 |
echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n"; |
| 10008 |
flush(); |
| 10009 |
$stream_started = true; |
| 10010 |
} |
| 10011 |
|
| 10012 |
$buffer .= $data; |
| 10013 |
$lines = explode("\n", $buffer); |
| 10014 |
$buffer = array_pop($lines); |
| 10015 |
|
| 10016 |
foreach ($lines as $line) { |
| 10017 |
if (trim($line) === '') continue; |
| 10018 |
if (strpos($line, 'data: ') !== 0) continue; |
| 10019 |
|
| 10020 |
$json_str = substr($line, 6); |
| 10021 |
|
| 10022 |
if (trim($json_str) === '[DONE]') { |
| 10023 |
// Append citations if we have any |
| 10024 |
if (!empty($citations)) { |
| 10025 |
$citation_text = "\n\n**Sources:**\n"; |
| 10026 |
$seen_urls = []; |
| 10027 |
foreach ($citations as $citation) { |
| 10028 |
if (!in_array($citation['url'], $seen_urls)) { |
| 10029 |
$seen_urls[] = $citation['url']; |
| 10030 |
$title = !empty($citation['title']) ? $citation['title'] : $citation['url']; |
| 10031 |
$citation_text .= "- [" . $title . "](" . $citation['url'] . ")\n"; |
| 10032 |
} |
| 10033 |
} |
| 10034 |
echo "data: " . json_encode(['content' => $citation_text]) . "\n\n"; |
| 10035 |
$full_response .= $citation_text; |
| 10036 |
flush(); |
| 10037 |
} |
| 10038 |
// plan-4aa8e5: zero deltas streamed → say so instead of |
| 10039 |
// closing a silent empty bubble (client renders text events). |
| 10040 |
if (trim($full_response) === '' && !$empty_error_emitted) { |
| 10041 |
$empty_error_emitted = true; |
| 10042 |
echo "data: " . json_encode(['content' => esc_html__('The AI provider returned an empty response. Please try again.', 'mxchat')]) . "\n\n"; |
| 10043 |
} |
| 10044 |
echo "data: [DONE]\n\n"; |
| 10045 |
flush(); |
| 10046 |
continue; |
| 10047 |
} |
| 10048 |
|
| 10049 |
$json = json_decode(trim($json_str), true); |
| 10050 |
if (!$json) continue; |
| 10051 |
|
| 10052 |
// Handle Responses API streaming events |
| 10053 |
// The format is different from Chat Completions |
| 10054 |
if (isset($json['type'])) { |
| 10055 |
switch ($json['type']) { |
| 10056 |
case 'response.output_text.delta': |
| 10057 |
// Text content delta |
| 10058 |
if (isset($json['delta'])) { |
| 10059 |
$content = $json['delta']; |
| 10060 |
$full_response .= $content; |
| 10061 |
echo "data: " . json_encode(['content' => $content]) . "\n\n"; |
| 10062 |
flush(); |
| 10063 |
} |
| 10064 |
break; |
| 10065 |
|
| 10066 |
case 'response.output_item.done': |
| 10067 |
// Check for citations in completed items |
| 10068 |
if (isset($json['item']['content'])) { |
| 10069 |
foreach ($json['item']['content'] as $content_item) { |
| 10070 |
if (isset($content_item['annotations'])) { |
| 10071 |
foreach ($content_item['annotations'] as $annotation) { |
| 10072 |
if ($annotation['type'] === 'url_citation') { |
| 10073 |
$citations[] = [ |
| 10074 |
'url' => $annotation['url'], |
| 10075 |
'title' => $annotation['title'] ?? '' |
| 10076 |
]; |
| 10077 |
} |
| 10078 |
} |
| 10079 |
} |
| 10080 |
} |
| 10081 |
} |
| 10082 |
break; |
| 10083 |
} |
| 10084 |
} |
| 10085 |
} |
| 10086 |
|
| 10087 |
return strlen($data); |
| 10088 |
}); |
| 10089 |
|
| 10090 |
$response = curl_exec($ch); |
| 10091 |
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 10092 |
|
| 10093 |
if (curl_errno($ch) || $http_code !== 200) { |
| 10094 |
$curl_error = curl_error($ch); |
| 10095 |
curl_close($ch); |
| 10096 |
|
| 10097 |
//error_log("MXCHAT WEB SEARCH STREAM ERROR: HTTP $http_code, cURL error: $curl_error"); |
| 10098 |
|
| 10099 |
return $this->mxchat_stream_emit_fallback( |
| 10100 |
'web_search', |
| 10101 |
$this->mxchat_web_search_non_streaming_response($request_body, $api_key, $session_id, $testing_data), |
| 10102 |
$session_id, |
| 10103 |
$testing_data |
| 10104 |
); |
| 10105 |
} |
| 10106 |
|
| 10107 |
curl_close($ch); |
| 10108 |
|
| 10109 |
// plan-4aa8e5: the Responses API can end its stream via typed events |
| 10110 |
// without a [DONE] line — if nothing was streamed at all, close out with |
| 10111 |
// the empty-completion message instead of leaving a silent bubble. |
| 10112 |
if (trim($full_response) === '' && !$empty_error_emitted) { |
| 10113 |
echo "data: " . json_encode(['content' => esc_html__('The AI provider returned an empty response. Please try again.', 'mxchat')]) . "\n\n"; |
| 10114 |
echo "data: [DONE]\n\n"; |
| 10115 |
flush(); |
| 10116 |
} |
| 10117 |
|
| 10118 |
// Save the complete response with RAG context so the "sources" link |
| 10119 |
// appears in transcripts — mirrors the pattern used by Claude/OpenAI streaming. |
| 10120 |
if (!empty($full_response) && !empty($session_id)) { |
| 10121 |
$rag_context_for_storage = null; |
| 10122 |
$has_rag_data = $this->last_similarity_analysis !== null && !empty($this->last_similarity_analysis['top_matches']); |
| 10123 |
$has_action_data = isset($this->last_action_analysis) && !empty($this->last_action_analysis); |
| 10124 |
|
| 10125 |
if ($has_rag_data || $has_action_data) { |
| 10126 |
$rag_context_for_storage = []; |
| 10127 |
|
| 10128 |
if ($has_rag_data) { |
| 10129 |
$rag_context_for_storage['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 10130 |
$rag_context_for_storage['approved_urls'] = $this->current_valid_urls ?? []; |
| 10131 |
$rag_context_for_storage['similarity_threshold'] = $this->last_similarity_analysis['threshold_used'] ?? 0.35; |
| 10132 |
$rag_context_for_storage['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'] ?? 'WordPress Database'; |
| 10133 |
$rag_context_for_storage['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 10134 |
} |
| 10135 |
|
| 10136 |
if ($has_action_data) { |
| 10137 |
$rag_context_for_storage['action_analysis'] = $this->last_action_analysis; |
| 10138 |
} |
| 10139 |
} |
| 10140 |
$this->mxchat_save_chat_message($session_id, 'bot', $full_response, null, $rag_context_for_storage); |
| 10141 |
} |
| 10142 |
|
| 10143 |
return true; |
| 10144 |
} |
| 10145 |
|
| 10146 |
private function mxchat_generate_response_claude_stream($selected_model, $claude_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) { |
| 10147 |
// Anthropic retired claude-opus-4-20250514 / claude-sonnet-4-20250514 on 2026-06-15. |
| 10148 |
// Read-time rescue: remap a saved dead ID to the current equivalent before the API call. |
| 10149 |
if ($selected_model === 'claude-opus-4-20250514') { $selected_model = 'claude-opus-4-8'; } |
| 10150 |
elseif ($selected_model === 'claude-sonnet-4-20250514') { $selected_model = 'claude-sonnet-4-6'; } |
| 10151 |
try { |
| 10152 |
// Get bot ID from session or request |
| 10153 |
$bot_id = $this->get_current_bot_id($session_id); |
| 10154 |
|
| 10155 |
// Get system prompt instructions using centralized function |
| 10156 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 10157 |
// Ensure conversation_history is an array |
| 10158 |
if (!is_array($conversation_history)) { |
| 10159 |
$conversation_history = array(); |
| 10160 |
} |
| 10161 |
|
| 10162 |
// Clean and validate conversation history |
| 10163 |
foreach ($conversation_history as &$message) { |
| 10164 |
// Convert bot and agent roles to assistant |
| 10165 |
if ($message['role'] === 'bot' || $message['role'] === 'agent') { |
| 10166 |
$message['role'] = 'assistant'; |
| 10167 |
} |
| 10168 |
|
| 10169 |
// Remove unsupported roles - Claude only supports 'assistant' and 'user' |
| 10170 |
if (!in_array($message['role'], ['assistant', 'user'])) { |
| 10171 |
$message['role'] = 'user'; |
| 10172 |
} |
| 10173 |
|
| 10174 |
// Ensure content field exists |
| 10175 |
if (!isset($message['content']) || empty($message['content'])) { |
| 10176 |
$message['content'] = ''; |
| 10177 |
} |
| 10178 |
|
| 10179 |
// Remove any unsupported fields |
| 10180 |
$message = array_intersect_key($message, array_flip(['role', 'content'])); |
| 10181 |
} |
| 10182 |
|
| 10183 |
// Add relevant content as the latest user message |
| 10184 |
$conversation_history[] = [ |
| 10185 |
'role' => 'user', |
| 10186 |
'content' => $relevant_content |
| 10187 |
]; |
| 10188 |
|
| 10189 |
// Prepare the request body with stream: true |
| 10190 |
$payload = [ |
| 10191 |
'model' => $selected_model, |
| 10192 |
'messages' => $conversation_history, |
| 10193 |
'max_tokens' => 1000, |
| 10194 |
'temperature' => 0.8, |
| 10195 |
'system' => $system_prompt_instructions, |
| 10196 |
'stream' => true |
| 10197 |
]; |
| 10198 |
if ($this->mxchat_claude_omits_temperature($selected_model)) { unset($payload['temperature']); } |
| 10199 |
$body = json_encode($payload); |
| 10200 |
|
| 10201 |
// Check if we can actually stream (headers not sent, etc.) |
| 10202 |
if (headers_sent() || !function_exists('curl_init')) { |
| 10203 |
// Fallback to regular response with testing data |
| 10204 |
//error_log("MxChat: Streaming not possible, falling back to regular response"); |
| 10205 |
$regular_response = $this->mxchat_generate_response_claude( |
| 10206 |
$selected_model, |
| 10207 |
$claude_api_key, |
| 10208 |
array_slice($conversation_history, 0, -1), // Remove the added content |
| 10209 |
$relevant_content, |
| 10210 |
$session_id |
| 10211 |
); |
| 10212 |
|
| 10213 |
// Save bot response to transcript |
| 10214 |
if (!empty($regular_response) && !empty($session_id)) { |
| 10215 |
$this->mxchat_save_chat_message($session_id, 'bot', $regular_response); |
| 10216 |
} |
| 10217 |
|
| 10218 |
// Return as JSON with testing data |
| 10219 |
$response_data = [ |
| 10220 |
'text' => $regular_response, |
| 10221 |
'html' => '', |
| 10222 |
'session_id' => $session_id |
| 10223 |
]; |
| 10224 |
|
| 10225 |
if ($testing_data !== null) { |
| 10226 |
$response_data['testing_data'] = $testing_data; |
| 10227 |
//error_log("MxChat Testing: Added testing data to Claude fallback response"); |
| 10228 |
} |
| 10229 |
|
| 10230 |
// Clear any streaming headers and send JSON |
| 10231 |
if (headers_sent() === false) { |
| 10232 |
header('Content-Type: application/json'); |
| 10233 |
} |
| 10234 |
echo json_encode($response_data); |
| 10235 |
return true; // Indicate we handled the response |
| 10236 |
} |
| 10237 |
|
| 10238 |
// V2 retry-on-initial-connect: setup_streaming_headers is lazy-fired in WRITEFUNCTION. |
| 10239 |
|
| 10240 |
$captured_status_code = 0; |
| 10241 |
$captured_body_pre_stream = ''; |
| 10242 |
$full_response = ''; |
| 10243 |
$stream_started = false; |
| 10244 |
$buffer = ''; |
| 10245 |
$errno = 0; |
| 10246 |
$http_code = 0; |
| 10247 |
$max_attempts = $this->mxchat_retry_enabled() ? 3 : 1; |
| 10248 |
$backoff_ms = array(0, 750, 2000); |
| 10249 |
|
| 10250 |
for ($attempt = 0; $attempt < $max_attempts; $attempt++) { |
| 10251 |
if ($attempt > 0 && $backoff_ms[$attempt] > 0) { |
| 10252 |
usleep($backoff_ms[$attempt] * 1000); |
| 10253 |
} |
| 10254 |
|
| 10255 |
$captured_status_code = 0; |
| 10256 |
$captured_body_pre_stream = ''; |
| 10257 |
$full_response = ''; |
| 10258 |
$stream_started = false; |
| 10259 |
$buffer = ''; |
| 10260 |
|
| 10261 |
$ch = curl_init(); |
| 10262 |
curl_setopt($ch, CURLOPT_URL, 'https://api.anthropic.com/v1/messages'); |
| 10263 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); |
| 10264 |
curl_setopt($ch, CURLOPT_POST, true); |
| 10265 |
curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
| 10266 |
curl_setopt($ch, CURLOPT_HTTPHEADER, array( |
| 10267 |
'Content-Type: application/json', |
| 10268 |
'x-api-key: ' . $claude_api_key, |
| 10269 |
'anthropic-version: 2023-06-01' |
| 10270 |
)); |
| 10271 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 10272 |
curl_setopt($ch, CURLOPT_TIMEOUT, 60); |
| 10273 |
|
| 10274 |
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function($ch, $header) use (&$captured_status_code) { |
| 10275 |
if ($captured_status_code === 0 && preg_match('#^HTTP/\S+\s+(\d+)\b#', $header, $m)) { |
| 10276 |
$captured_status_code = (int) $m[1]; |
| 10277 |
} |
| 10278 |
return strlen($header); |
| 10279 |
}); |
| 10280 |
|
| 10281 |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, &$captured_status_code, &$captured_body_pre_stream, $testing_data) { |
| 10282 |
if ($captured_status_code !== 0 && $captured_status_code !== 200) { |
| 10283 |
$captured_body_pre_stream .= $data; |
| 10284 |
return strlen($data); |
| 10285 |
} |
| 10286 |
|
| 10287 |
if (!$this->streaming_headers_sent) { |
| 10288 |
$this->setup_streaming_headers(); |
| 10289 |
} |
| 10290 |
|
| 10291 |
if (!$stream_started && $testing_data !== null) { |
| 10292 |
echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n"; |
| 10293 |
flush(); |
| 10294 |
$stream_started = true; |
| 10295 |
} |
| 10296 |
|
| 10297 |
$buffer .= $data; |
| 10298 |
$lines = explode("\n", $buffer); |
| 10299 |
$buffer = array_pop($lines); |
| 10300 |
|
| 10301 |
foreach ($lines as $line) { |
| 10302 |
if (trim($line) === '') { |
| 10303 |
continue; |
| 10304 |
} |
| 10305 |
|
| 10306 |
if (strpos($line, 'event: ') === 0) { |
| 10307 |
continue; |
| 10308 |
} |
| 10309 |
|
| 10310 |
if (strpos($line, 'data: ') === 0) { |
| 10311 |
$json_str = substr($line, 6); |
| 10312 |
|
| 10313 |
$json = json_decode(trim($json_str), true); |
| 10314 |
if (json_last_error() !== JSON_ERROR_NONE) { |
| 10315 |
continue; |
| 10316 |
} |
| 10317 |
|
| 10318 |
if (isset($json['type'])) { |
| 10319 |
switch ($json['type']) { |
| 10320 |
case 'content_block_delta': |
| 10321 |
if (isset($json['delta']['text'])) { |
| 10322 |
$content = $json['delta']['text']; |
| 10323 |
$full_response .= $content; |
| 10324 |
echo "data: " . json_encode(['content' => $content]) . "\n\n"; |
| 10325 |
flush(); |
| 10326 |
} |
| 10327 |
break; |
| 10328 |
|
| 10329 |
case 'message_stop': |
| 10330 |
echo "data: [DONE]\n\n"; |
| 10331 |
flush(); |
| 10332 |
break; |
| 10333 |
|
| 10334 |
case 'error': |
| 10335 |
echo "data: " . json_encode(['error' => $this->extract_provider_error($json, 'Unknown error')]) . "\n\n"; |
| 10336 |
flush(); |
| 10337 |
break; |
| 10338 |
} |
| 10339 |
} |
| 10340 |
} |
| 10341 |
} |
| 10342 |
|
| 10343 |
return strlen($data); |
| 10344 |
}); |
| 10345 |
|
| 10346 |
$response = curl_exec($ch); |
| 10347 |
$errno = curl_errno($ch); |
| 10348 |
$http_code = $captured_status_code !== 0 ? $captured_status_code : (int) curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 10349 |
curl_close($ch); |
| 10350 |
|
| 10351 |
if (!$errno && $http_code === 200) { |
| 10352 |
break; |
| 10353 |
} |
| 10354 |
|
| 10355 |
$is_transient = $this->mxchat_is_transient_provider_error_raw($http_code, $captured_body_pre_stream, 'anthropic', $errno); |
| 10356 |
$can_retry = !$this->streaming_headers_sent |
| 10357 |
&& ($attempt + 1) < $max_attempts |
| 10358 |
&& $is_transient; |
| 10359 |
|
| 10360 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 10361 |
error_log(sprintf( |
| 10362 |
'[MxChat] claude_stream initial-connect failure (attempt=%d/%d, status=%d, errno=%d, transient=%s, %s).', |
| 10363 |
$attempt + 1, $max_attempts, $http_code, $errno, |
| 10364 |
$is_transient ? 'yes' : 'no', |
| 10365 |
$can_retry ? 'Retrying.' : 'Giving up.' |
| 10366 |
)); |
| 10367 |
} |
| 10368 |
|
| 10369 |
if (!$can_retry) { |
| 10370 |
break; |
| 10371 |
} |
| 10372 |
} |
| 10373 |
|
| 10374 |
if ($errno || $http_code !== 200) { |
| 10375 |
return $this->mxchat_stream_emit_fallback( |
| 10376 |
'anthropic', |
| 10377 |
$this->mxchat_generate_response_claude($selected_model, $claude_api_key, array_slice($conversation_history, 0, -1), $relevant_content, $session_id), |
| 10378 |
$session_id, |
| 10379 |
$testing_data |
| 10380 |
); |
| 10381 |
} |
| 10382 |
|
| 10383 |
// Save the complete response to maintain chat persistence |
| 10384 |
if (!empty($full_response) && !empty($session_id)) { |
| 10385 |
// Prepare RAG context for streaming response |
| 10386 |
$rag_context_for_storage = null; |
| 10387 |
$has_rag_data = $this->last_similarity_analysis !== null && !empty($this->last_similarity_analysis['top_matches']); |
| 10388 |
$has_action_data = isset($this->last_action_analysis) && !empty($this->last_action_analysis); |
| 10389 |
|
| 10390 |
if ($has_rag_data || $has_action_data) { |
| 10391 |
$rag_context_for_storage = []; |
| 10392 |
|
| 10393 |
if ($has_rag_data) { |
| 10394 |
$rag_context_for_storage['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 10395 |
$rag_context_for_storage['approved_urls'] = $this->current_valid_urls ?? []; |
| 10396 |
$rag_context_for_storage['similarity_threshold'] = $this->last_similarity_analysis['threshold_used'] ?? 0.35; |
| 10397 |
$rag_context_for_storage['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'] ?? 'WordPress Database'; |
| 10398 |
$rag_context_for_storage['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 10399 |
} |
| 10400 |
|
| 10401 |
if ($has_action_data) { |
| 10402 |
$rag_context_for_storage['action_analysis'] = $this->last_action_analysis; |
| 10403 |
} |
| 10404 |
} |
| 10405 |
$this->mxchat_save_chat_message($session_id, 'bot', $full_response, null, $rag_context_for_storage); |
| 10406 |
} |
| 10407 |
|
| 10408 |
return true; // Indicate streaming completed successfully |
| 10409 |
|
| 10410 |
} catch (Exception $e) { |
| 10411 |
return $this->mxchat_stream_emit_fallback( |
| 10412 |
'anthropic', |
| 10413 |
$this->mxchat_generate_response_claude($selected_model, $claude_api_key, $conversation_history, $relevant_content, $session_id), |
| 10414 |
$session_id, |
| 10415 |
$testing_data |
| 10416 |
); |
| 10417 |
} |
| 10418 |
} |
| 10419 |
private function mxchat_generate_response_xai_stream($selected_model, $xai_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) { |
| 10420 |
try { |
| 10421 |
// Get bot ID from session or request |
| 10422 |
$bot_id = $this->get_current_bot_id($session_id); |
| 10423 |
|
| 10424 |
// Get system prompt instructions using centralized function |
| 10425 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 10426 |
|
| 10427 |
// Ensure conversation_history is an array |
| 10428 |
if (!is_array($conversation_history)) { |
| 10429 |
$conversation_history = array(); |
| 10430 |
} |
| 10431 |
|
| 10432 |
// Format conversation history for X.AI (same as OpenAI format) |
| 10433 |
$formatted_conversation = array(); |
| 10434 |
|
| 10435 |
$formatted_conversation[] = array( |
| 10436 |
'role' => 'system', |
| 10437 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 10438 |
); |
| 10439 |
|
| 10440 |
foreach ($conversation_history as $message) { |
| 10441 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 10442 |
$role = $message['role']; |
| 10443 |
if ($role === 'bot' || $role === 'agent') { |
| 10444 |
$role = 'assistant'; |
| 10445 |
} |
| 10446 |
if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 10447 |
$role = 'user'; |
| 10448 |
} |
| 10449 |
$formatted_conversation[] = array( |
| 10450 |
'role' => $role, |
| 10451 |
'content' => $message['content'] |
| 10452 |
); |
| 10453 |
} |
| 10454 |
} |
| 10455 |
|
| 10456 |
// Check if we can actually stream |
| 10457 |
if (headers_sent() || !function_exists('curl_init')) { |
| 10458 |
// Fallback to regular response with testing data |
| 10459 |
//error_log("MxChat: X.AI streaming not possible, falling back to regular response"); |
| 10460 |
$regular_response = $this->mxchat_generate_response_xai( |
| 10461 |
$selected_model, |
| 10462 |
$xai_api_key, |
| 10463 |
$conversation_history, |
| 10464 |
$relevant_content, |
| 10465 |
$session_id |
| 10466 |
); |
| 10467 |
|
| 10468 |
// Save bot response to transcript |
| 10469 |
if (!empty($regular_response) && !empty($session_id)) { |
| 10470 |
$this->mxchat_save_chat_message($session_id, 'bot', $regular_response); |
| 10471 |
} |
| 10472 |
|
| 10473 |
$response_data = [ |
| 10474 |
'text' => $regular_response, |
| 10475 |
'html' => '', |
| 10476 |
'session_id' => $session_id |
| 10477 |
]; |
| 10478 |
|
| 10479 |
if ($testing_data !== null) { |
| 10480 |
$response_data['testing_data'] = $testing_data; |
| 10481 |
//error_log("MxChat Testing: Added testing data to X.AI fallback response"); |
| 10482 |
} |
| 10483 |
|
| 10484 |
header('Content-Type: application/json'); |
| 10485 |
echo json_encode($response_data); |
| 10486 |
return true; |
| 10487 |
} |
| 10488 |
|
| 10489 |
// Prepare the request body with stream: true |
| 10490 |
$body = json_encode([ |
| 10491 |
'model' => $selected_model, |
| 10492 |
'messages' => $formatted_conversation, |
| 10493 |
'temperature' => 0.8, |
| 10494 |
'stream' => true |
| 10495 |
]); |
| 10496 |
|
| 10497 |
// V2 retry-on-initial-connect: setup_streaming_headers is lazy-fired in WRITEFUNCTION. |
| 10498 |
|
| 10499 |
$captured_status_code = 0; |
| 10500 |
$captured_body_pre_stream = ''; |
| 10501 |
$full_response = ''; |
| 10502 |
$stream_started = false; |
| 10503 |
$buffer = ''; |
| 10504 |
$errno = 0; |
| 10505 |
$http_code = 0; |
| 10506 |
$max_attempts = $this->mxchat_retry_enabled() ? 3 : 1; |
| 10507 |
$backoff_ms = array(0, 750, 2000); |
| 10508 |
|
| 10509 |
for ($attempt = 0; $attempt < $max_attempts; $attempt++) { |
| 10510 |
if ($attempt > 0 && $backoff_ms[$attempt] > 0) { |
| 10511 |
usleep($backoff_ms[$attempt] * 1000); |
| 10512 |
} |
| 10513 |
|
| 10514 |
$captured_status_code = 0; |
| 10515 |
$captured_body_pre_stream = ''; |
| 10516 |
$full_response = ''; |
| 10517 |
$stream_started = false; |
| 10518 |
$buffer = ''; |
| 10519 |
|
| 10520 |
$ch = curl_init(); |
| 10521 |
curl_setopt($ch, CURLOPT_URL, 'https://api.x.ai/v1/chat/completions'); |
| 10522 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); |
| 10523 |
curl_setopt($ch, CURLOPT_POST, true); |
| 10524 |
curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
| 10525 |
curl_setopt($ch, CURLOPT_HTTPHEADER, array( |
| 10526 |
'Content-Type: application/json', |
| 10527 |
'Authorization: Bearer ' . $xai_api_key |
| 10528 |
)); |
| 10529 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 10530 |
curl_setopt($ch, CURLOPT_TIMEOUT, 60); |
| 10531 |
|
| 10532 |
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function($ch, $header) use (&$captured_status_code) { |
| 10533 |
if ($captured_status_code === 0 && preg_match('#^HTTP/\S+\s+(\d+)\b#', $header, $m)) { |
| 10534 |
$captured_status_code = (int) $m[1]; |
| 10535 |
} |
| 10536 |
return strlen($header); |
| 10537 |
}); |
| 10538 |
|
| 10539 |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, &$captured_status_code, &$captured_body_pre_stream, $testing_data) { |
| 10540 |
if ($captured_status_code !== 0 && $captured_status_code !== 200) { |
| 10541 |
$captured_body_pre_stream .= $data; |
| 10542 |
return strlen($data); |
| 10543 |
} |
| 10544 |
|
| 10545 |
if (!$this->streaming_headers_sent) { |
| 10546 |
$this->setup_streaming_headers(); |
| 10547 |
} |
| 10548 |
|
| 10549 |
if (!$stream_started && $testing_data !== null) { |
| 10550 |
echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n"; |
| 10551 |
flush(); |
| 10552 |
$stream_started = true; |
| 10553 |
} |
| 10554 |
|
| 10555 |
$buffer .= $data; |
| 10556 |
$lines = explode("\n", $buffer); |
| 10557 |
$buffer = array_pop($lines); |
| 10558 |
|
| 10559 |
foreach ($lines as $line) { |
| 10560 |
if (trim($line) === '') { |
| 10561 |
continue; |
| 10562 |
} |
| 10563 |
if (strpos($line, 'data: ') !== 0) { |
| 10564 |
continue; |
| 10565 |
} |
| 10566 |
|
| 10567 |
$json_str = substr($line, 6); |
| 10568 |
|
| 10569 |
if (trim($json_str) === '[DONE]') { |
| 10570 |
echo "data: [DONE]\n\n"; |
| 10571 |
flush(); |
| 10572 |
continue; |
| 10573 |
} |
| 10574 |
|
| 10575 |
$json = json_decode(trim($json_str), true); |
| 10576 |
if ($json && isset($json['choices'][0]['delta']['content'])) { |
| 10577 |
$content = $json['choices'][0]['delta']['content']; |
| 10578 |
$full_response .= $content; |
| 10579 |
echo "data: " . json_encode(['content' => $content]) . "\n\n"; |
| 10580 |
flush(); |
| 10581 |
} |
| 10582 |
} |
| 10583 |
|
| 10584 |
return strlen($data); |
| 10585 |
}); |
| 10586 |
|
| 10587 |
$response = curl_exec($ch); |
| 10588 |
$errno = curl_errno($ch); |
| 10589 |
$http_code = $captured_status_code !== 0 ? $captured_status_code : (int) curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 10590 |
curl_close($ch); |
| 10591 |
|
| 10592 |
if (!$errno && $http_code === 200) { |
| 10593 |
break; |
| 10594 |
} |
| 10595 |
|
| 10596 |
$is_transient = $this->mxchat_is_transient_provider_error_raw($http_code, $captured_body_pre_stream, 'xai', $errno); |
| 10597 |
$can_retry = !$this->streaming_headers_sent |
| 10598 |
&& ($attempt + 1) < $max_attempts |
| 10599 |
&& $is_transient; |
| 10600 |
|
| 10601 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 10602 |
error_log(sprintf( |
| 10603 |
'[MxChat] xai_stream initial-connect failure (attempt=%d/%d, status=%d, errno=%d, transient=%s, %s).', |
| 10604 |
$attempt + 1, $max_attempts, $http_code, $errno, |
| 10605 |
$is_transient ? 'yes' : 'no', |
| 10606 |
$can_retry ? 'Retrying.' : 'Giving up.' |
| 10607 |
)); |
| 10608 |
} |
| 10609 |
|
| 10610 |
if (!$can_retry) { |
| 10611 |
break; |
| 10612 |
} |
| 10613 |
} |
| 10614 |
|
| 10615 |
if ($errno || $http_code !== 200) { |
| 10616 |
return $this->mxchat_stream_emit_fallback( |
| 10617 |
'xai', |
| 10618 |
$this->mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content, $session_id), |
| 10619 |
$session_id, |
| 10620 |
$testing_data |
| 10621 |
); |
| 10622 |
} |
| 10623 |
|
| 10624 |
// Save the complete response to maintain chat persistence |
| 10625 |
if (!empty($full_response) && !empty($session_id)) { |
| 10626 |
// Prepare RAG context for streaming response |
| 10627 |
$rag_context_for_storage = null; |
| 10628 |
$has_rag_data = $this->last_similarity_analysis !== null && !empty($this->last_similarity_analysis['top_matches']); |
| 10629 |
$has_action_data = isset($this->last_action_analysis) && !empty($this->last_action_analysis); |
| 10630 |
|
| 10631 |
if ($has_rag_data || $has_action_data) { |
| 10632 |
$rag_context_for_storage = []; |
| 10633 |
|
| 10634 |
if ($has_rag_data) { |
| 10635 |
$rag_context_for_storage['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 10636 |
$rag_context_for_storage['approved_urls'] = $this->current_valid_urls ?? []; |
| 10637 |
$rag_context_for_storage['similarity_threshold'] = $this->last_similarity_analysis['threshold_used'] ?? 0.35; |
| 10638 |
$rag_context_for_storage['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'] ?? 'WordPress Database'; |
| 10639 |
$rag_context_for_storage['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 10640 |
} |
| 10641 |
|
| 10642 |
if ($has_action_data) { |
| 10643 |
$rag_context_for_storage['action_analysis'] = $this->last_action_analysis; |
| 10644 |
} |
| 10645 |
} |
| 10646 |
$this->mxchat_save_chat_message($session_id, 'bot', $full_response, null, $rag_context_for_storage); |
| 10647 |
} |
| 10648 |
|
| 10649 |
return true; // Indicate streaming completed successfully |
| 10650 |
|
| 10651 |
} catch (Exception $e) { |
| 10652 |
return $this->mxchat_stream_emit_fallback( |
| 10653 |
'xai', |
| 10654 |
$this->mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content), |
| 10655 |
$session_id, |
| 10656 |
$testing_data |
| 10657 |
); |
| 10658 |
} |
| 10659 |
} |
| 10660 |
private function mxchat_generate_response_deepseek_stream($selected_model, $deepseek_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) { |
| 10661 |
try { |
| 10662 |
// Get bot ID from session or request |
| 10663 |
$bot_id = $this->get_current_bot_id($session_id); |
| 10664 |
|
| 10665 |
// Get system prompt instructions using centralized function |
| 10666 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 10667 |
|
| 10668 |
// Ensure conversation_history is an array |
| 10669 |
if (!is_array($conversation_history)) { |
| 10670 |
$conversation_history = array(); |
| 10671 |
} |
| 10672 |
|
| 10673 |
// Format conversation history for DeepSeek |
| 10674 |
$formatted_conversation = array(); |
| 10675 |
|
| 10676 |
$formatted_conversation[] = array( |
| 10677 |
'role' => 'system', |
| 10678 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 10679 |
); |
| 10680 |
|
| 10681 |
foreach ($conversation_history as $message) { |
| 10682 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 10683 |
$role = $message['role']; |
| 10684 |
if ($role === 'bot' || $role === 'agent') { |
| 10685 |
$role = 'assistant'; |
| 10686 |
} |
| 10687 |
if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 10688 |
$role = 'user'; |
| 10689 |
} |
| 10690 |
$formatted_conversation[] = array( |
| 10691 |
'role' => $role, |
| 10692 |
'content' => $message['content'] |
| 10693 |
); |
| 10694 |
} |
| 10695 |
} |
| 10696 |
|
| 10697 |
// Check if we can actually stream |
| 10698 |
if (headers_sent() || !function_exists('curl_init')) { |
| 10699 |
// Fallback to regular response with testing data |
| 10700 |
//error_log("MxChat: DeepSeek streaming not possible, falling back to regular response"); |
| 10701 |
$regular_response = $this->mxchat_generate_response_deepseek( |
| 10702 |
$selected_model, |
| 10703 |
$deepseek_api_key, |
| 10704 |
$conversation_history, |
| 10705 |
$relevant_content, |
| 10706 |
$session_id |
| 10707 |
); |
| 10708 |
|
| 10709 |
// Save bot response to transcript |
| 10710 |
if (!empty($regular_response) && !empty($session_id)) { |
| 10711 |
$this->mxchat_save_chat_message($session_id, 'bot', $regular_response); |
| 10712 |
} |
| 10713 |
|
| 10714 |
$response_data = [ |
| 10715 |
'text' => $regular_response, |
| 10716 |
'html' => '', |
| 10717 |
'session_id' => $session_id |
| 10718 |
]; |
| 10719 |
|
| 10720 |
if ($testing_data !== null) { |
| 10721 |
$response_data['testing_data'] = $testing_data; |
| 10722 |
//error_log("MxChat Testing: Added testing data to DeepSeek fallback response"); |
| 10723 |
} |
| 10724 |
|
| 10725 |
header('Content-Type: application/json'); |
| 10726 |
echo json_encode($response_data); |
| 10727 |
return true; |
| 10728 |
} |
| 10729 |
|
| 10730 |
// Prepare the request body with stream: true |
| 10731 |
$body = json_encode([ |
| 10732 |
'model' => $selected_model, |
| 10733 |
'messages' => $formatted_conversation, |
| 10734 |
'temperature' => 0.8, |
| 10735 |
'stream' => true, |
| 10736 |
// DeepSeek V4 defaults to thinking mode ON (temperature ignored, |
| 10737 |
// long silent reasoning before the first delta); the widget wants |
| 10738 |
// the legacy deepseek-chat semantics = non-thinking. |
| 10739 |
'thinking' => ['type' => 'disabled'] |
| 10740 |
]); |
| 10741 |
|
| 10742 |
// V2 retry-on-initial-connect: setup_streaming_headers is lazy-fired in WRITEFUNCTION. |
| 10743 |
|
| 10744 |
$captured_status_code = 0; |
| 10745 |
$captured_body_pre_stream = ''; |
| 10746 |
$full_response = ''; |
| 10747 |
$stream_started = false; |
| 10748 |
$buffer = ''; |
| 10749 |
$errno = 0; |
| 10750 |
$http_code = 0; |
| 10751 |
$max_attempts = $this->mxchat_retry_enabled() ? 3 : 1; |
| 10752 |
$backoff_ms = array(0, 750, 2000); |
| 10753 |
|
| 10754 |
for ($attempt = 0; $attempt < $max_attempts; $attempt++) { |
| 10755 |
if ($attempt > 0 && $backoff_ms[$attempt] > 0) { |
| 10756 |
usleep($backoff_ms[$attempt] * 1000); |
| 10757 |
} |
| 10758 |
|
| 10759 |
$captured_status_code = 0; |
| 10760 |
$captured_body_pre_stream = ''; |
| 10761 |
$full_response = ''; |
| 10762 |
$stream_started = false; |
| 10763 |
$buffer = ''; |
| 10764 |
|
| 10765 |
$ch = curl_init(); |
| 10766 |
curl_setopt($ch, CURLOPT_URL, 'https://api.deepseek.com/v1/chat/completions'); |
| 10767 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false); |
| 10768 |
curl_setopt($ch, CURLOPT_POST, true); |
| 10769 |
curl_setopt($ch, CURLOPT_POSTFIELDS, $body); |
| 10770 |
curl_setopt($ch, CURLOPT_HTTPHEADER, array( |
| 10771 |
'Content-Type: application/json', |
| 10772 |
'Authorization: Bearer ' . $deepseek_api_key |
| 10773 |
)); |
| 10774 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 10775 |
curl_setopt($ch, CURLOPT_TIMEOUT, 60); |
| 10776 |
|
| 10777 |
curl_setopt($ch, CURLOPT_HEADERFUNCTION, function($ch, $header) use (&$captured_status_code) { |
| 10778 |
if ($captured_status_code === 0 && preg_match('#^HTTP/\S+\s+(\d+)\b#', $header, $m)) { |
| 10779 |
$captured_status_code = (int) $m[1]; |
| 10780 |
} |
| 10781 |
return strlen($header); |
| 10782 |
}); |
| 10783 |
|
| 10784 |
curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, &$captured_status_code, &$captured_body_pre_stream, $testing_data) { |
| 10785 |
if ($captured_status_code !== 0 && $captured_status_code !== 200) { |
| 10786 |
$captured_body_pre_stream .= $data; |
| 10787 |
return strlen($data); |
| 10788 |
} |
| 10789 |
|
| 10790 |
if (!$this->streaming_headers_sent) { |
| 10791 |
$this->setup_streaming_headers(); |
| 10792 |
} |
| 10793 |
|
| 10794 |
if (!$stream_started && $testing_data !== null) { |
| 10795 |
echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n"; |
| 10796 |
flush(); |
| 10797 |
$stream_started = true; |
| 10798 |
} |
| 10799 |
|
| 10800 |
$buffer .= $data; |
| 10801 |
$lines = explode("\n", $buffer); |
| 10802 |
$buffer = array_pop($lines); |
| 10803 |
|
| 10804 |
foreach ($lines as $line) { |
| 10805 |
if (trim($line) === '') { |
| 10806 |
continue; |
| 10807 |
} |
| 10808 |
if (strpos($line, 'data: ') !== 0) { |
| 10809 |
continue; |
| 10810 |
} |
| 10811 |
|
| 10812 |
$json_str = substr($line, 6); |
| 10813 |
|
| 10814 |
if (trim($json_str) === '[DONE]') { |
| 10815 |
echo "data: [DONE]\n\n"; |
| 10816 |
flush(); |
| 10817 |
continue; |
| 10818 |
} |
| 10819 |
|
| 10820 |
$json = json_decode(trim($json_str), true); |
| 10821 |
if ($json && isset($json['choices'][0]['delta']['content'])) { |
| 10822 |
$content = $json['choices'][0]['delta']['content']; |
| 10823 |
$full_response .= $content; |
| 10824 |
echo "data: " . json_encode(['content' => $content]) . "\n\n"; |
| 10825 |
flush(); |
| 10826 |
} |
| 10827 |
} |
| 10828 |
|
| 10829 |
return strlen($data); |
| 10830 |
}); |
| 10831 |
|
| 10832 |
$response = curl_exec($ch); |
| 10833 |
$errno = curl_errno($ch); |
| 10834 |
$http_code = $captured_status_code !== 0 ? $captured_status_code : (int) curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 10835 |
curl_close($ch); |
| 10836 |
|
| 10837 |
if (!$errno && $http_code === 200) { |
| 10838 |
break; |
| 10839 |
} |
| 10840 |
|
| 10841 |
$is_transient = $this->mxchat_is_transient_provider_error_raw($http_code, $captured_body_pre_stream, 'openai', $errno); |
| 10842 |
$can_retry = !$this->streaming_headers_sent |
| 10843 |
&& ($attempt + 1) < $max_attempts |
| 10844 |
&& $is_transient; |
| 10845 |
|
| 10846 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 10847 |
error_log(sprintf( |
| 10848 |
'[MxChat] deepseek_stream initial-connect failure (attempt=%d/%d, status=%d, errno=%d, transient=%s, %s).', |
| 10849 |
$attempt + 1, $max_attempts, $http_code, $errno, |
| 10850 |
$is_transient ? 'yes' : 'no', |
| 10851 |
$can_retry ? 'Retrying.' : 'Giving up.' |
| 10852 |
)); |
| 10853 |
} |
| 10854 |
|
| 10855 |
if (!$can_retry) { |
| 10856 |
break; |
| 10857 |
} |
| 10858 |
} |
| 10859 |
|
| 10860 |
if ($errno || $http_code !== 200) { |
| 10861 |
return $this->mxchat_stream_emit_fallback( |
| 10862 |
'openai', |
| 10863 |
$this->mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content, $session_id), |
| 10864 |
$session_id, |
| 10865 |
$testing_data |
| 10866 |
); |
| 10867 |
} |
| 10868 |
|
| 10869 |
// Save the complete response to maintain chat persistence |
| 10870 |
if (!empty($full_response) && !empty($session_id)) { |
| 10871 |
// Prepare RAG context for streaming response |
| 10872 |
$rag_context_for_storage = null; |
| 10873 |
$has_rag_data = $this->last_similarity_analysis !== null && !empty($this->last_similarity_analysis['top_matches']); |
| 10874 |
$has_action_data = isset($this->last_action_analysis) && !empty($this->last_action_analysis); |
| 10875 |
|
| 10876 |
if ($has_rag_data || $has_action_data) { |
| 10877 |
$rag_context_for_storage = []; |
| 10878 |
|
| 10879 |
if ($has_rag_data) { |
| 10880 |
$rag_context_for_storage['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 10881 |
$rag_context_for_storage['approved_urls'] = $this->current_valid_urls ?? []; |
| 10882 |
$rag_context_for_storage['similarity_threshold'] = $this->last_similarity_analysis['threshold_used'] ?? 0.35; |
| 10883 |
$rag_context_for_storage['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'] ?? 'WordPress Database'; |
| 10884 |
$rag_context_for_storage['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 10885 |
} |
| 10886 |
|
| 10887 |
if ($has_action_data) { |
| 10888 |
$rag_context_for_storage['action_analysis'] = $this->last_action_analysis; |
| 10889 |
} |
| 10890 |
} |
| 10891 |
$this->mxchat_save_chat_message($session_id, 'bot', $full_response, null, $rag_context_for_storage); |
| 10892 |
} |
| 10893 |
|
| 10894 |
return true; // Indicate streaming completed successfully |
| 10895 |
|
| 10896 |
} catch (Exception $e) { |
| 10897 |
return $this->mxchat_stream_emit_fallback( |
| 10898 |
'openai', |
| 10899 |
$this->mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content), |
| 10900 |
$session_id, |
| 10901 |
$testing_data |
| 10902 |
); |
| 10903 |
} |
| 10904 |
} |
| 10905 |
|
| 10906 |
|
| 10907 |
/** |
| 10908 |
* Extract a human-readable error message from a decoded provider response body. |
| 10909 |
* Providers disagree on shape: OpenAI/Anthropic/Google nest it (error.message), |
| 10910 |
* xAI returns a plain string under 'error'. Mirrors mxchat-vision's shipped |
| 10911 |
* extract_provider_error(); deliberately hint-free in core (vision's too-small |
| 10912 |
* image hint is an upload concern that doesn't apply here). |
| 10913 |
* |
| 10914 |
* @param mixed $decoded_body Decoded JSON body (array), or whatever json_decode returned. |
| 10915 |
* @param string $fallback Message to return when no provider text is found. |
| 10916 |
* @return string |
| 10917 |
*/ |
| 10918 |
private function extract_provider_error($decoded_body, $fallback) { |
| 10919 |
$message = ''; |
| 10920 |
if (isset($decoded_body['error']['message']) && is_string($decoded_body['error']['message']) && $decoded_body['error']['message'] !== '') { |
| 10921 |
$message = $decoded_body['error']['message']; |
| 10922 |
} elseif (isset($decoded_body['error']) && is_string($decoded_body['error']) && $decoded_body['error'] !== '') { |
| 10923 |
$message = $decoded_body['error']; |
| 10924 |
} |
| 10925 |
|
| 10926 |
if ($message === '') { |
| 10927 |
return $fallback; |
| 10928 |
} |
| 10929 |
|
| 10930 |
return $message; |
| 10931 |
} |
| 10932 |
|
| 10933 |
/** |
| 10934 |
* plan-4aa8e5: a provider 200 whose body parses to no text must never reach |
| 10935 |
* the widget as a silent empty bot bubble. Standard error shape for that |
| 10936 |
* case, preferring the body's own explanation — error.message first (the |
| 10937 |
* 950731 passthrough pattern), then the Responses API's |
| 10938 |
* incomplete_details.reason (e.g. "max_output_tokens") — before the generic |
| 10939 |
* retry message. |
| 10940 |
*/ |
| 10941 |
private function mxchat_empty_completion_error($decoded_body, $provider_label) { |
| 10942 |
$reason = ''; |
| 10943 |
if (isset($decoded_body['error']['message']) && is_string($decoded_body['error']['message']) && $decoded_body['error']['message'] !== '') { |
| 10944 |
$reason = $decoded_body['error']['message']; |
| 10945 |
} elseif (isset($decoded_body['incomplete_details']['reason']) && is_string($decoded_body['incomplete_details']['reason']) && $decoded_body['incomplete_details']['reason'] !== '') { |
| 10946 |
$reason = sprintf(__('response incomplete: %s', 'mxchat'), $decoded_body['incomplete_details']['reason']); |
| 10947 |
} |
| 10948 |
|
| 10949 |
$message = ($reason !== '') |
| 10950 |
? sprintf(esc_html__('%1$s returned an empty response (%2$s). Please try again.', 'mxchat'), $provider_label, esc_html($reason)) |
| 10951 |
: sprintf(esc_html__('%s returned an empty response. Please try again.', 'mxchat'), $provider_label); |
| 10952 |
|
| 10953 |
return [ |
| 10954 |
'error' => $message, |
| 10955 |
'error_code' => 'empty_completion', |
| 10956 |
'provider' => strtolower($provider_label), |
| 10957 |
]; |
| 10958 |
} |
| 10959 |
|
| 10960 |
private function mxchat_generate_response_openrouter($selected_model, $openrouter_api_key, $conversation_history, $relevant_content, $session_id = '') { |
| 10961 |
try { |
| 10962 |
if (!is_array($conversation_history)) { |
| 10963 |
$conversation_history = array(); |
| 10964 |
} |
| 10965 |
|
| 10966 |
$bot_id = $this->get_current_bot_id($session_id); |
| 10967 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 10968 |
|
| 10969 |
$formatted_conversation = array(); |
| 10970 |
|
| 10971 |
$formatted_conversation[] = array( |
| 10972 |
'role' => 'system', |
| 10973 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 10974 |
); |
| 10975 |
|
| 10976 |
foreach ($conversation_history as $message) { |
| 10977 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 10978 |
$role = $message['role']; |
| 10979 |
|
| 10980 |
if ($role === 'bot' || $role === 'agent') { |
| 10981 |
$role = 'assistant'; |
| 10982 |
} |
| 10983 |
if (!in_array($role, ['system', 'assistant', 'user'])) { |
| 10984 |
$role = 'user'; |
| 10985 |
} |
| 10986 |
|
| 10987 |
$formatted_conversation[] = array( |
| 10988 |
'role' => $role, |
| 10989 |
'content' => $message['content'] |
| 10990 |
); |
| 10991 |
} |
| 10992 |
} |
| 10993 |
|
| 10994 |
$body = json_encode([ |
| 10995 |
'model' => $selected_model, |
| 10996 |
'messages' => $formatted_conversation, |
| 10997 |
'temperature' => 1, |
| 10998 |
]); |
| 10999 |
|
| 11000 |
$args = [ |
| 11001 |
'body' => $body, |
| 11002 |
'headers' => [ |
| 11003 |
'Content-Type' => 'application/json', |
| 11004 |
'Authorization' => 'Bearer ' . $openrouter_api_key, |
| 11005 |
'HTTP-Referer' => home_url(), |
| 11006 |
'X-Title' => get_bloginfo('name'), |
| 11007 |
], |
| 11008 |
'timeout' => 60, |
| 11009 |
'redirection' => 5, |
| 11010 |
'blocking' => true, |
| 11011 |
'httpversion' => '1.0', |
| 11012 |
'sslverify' => true, |
| 11013 |
]; |
| 11014 |
|
| 11015 |
$response = $this->mxchat_provider_call_with_retry('https://openrouter.ai/api/v1/chat/completions', $args, 'openai'); |
| 11016 |
|
| 11017 |
if (is_wp_error($response)) { |
| 11018 |
$error_message = $response->get_error_message(); |
| 11019 |
return [ |
| 11020 |
'error' => $this->mxchat_friendly_chat_error(0, $error_message, 'OpenRouter', $selected_model), |
| 11021 |
'error_code' => 'openrouter_connection_error', |
| 11022 |
'provider' => 'openrouter' |
| 11023 |
]; |
| 11024 |
} |
| 11025 |
|
| 11026 |
$status_code = wp_remote_retrieve_response_code($response); |
| 11027 |
if ($status_code !== 200) { |
| 11028 |
$response_body = wp_remote_retrieve_body($response); |
| 11029 |
$decoded_response = json_decode($response_body, true); |
| 11030 |
|
| 11031 |
$error_message = $this->extract_provider_error($decoded_response, 'HTTP Error ' . $status_code); |
| 11032 |
|
| 11033 |
return [ |
| 11034 |
'error' => esc_html__('OpenRouter API error: ', 'mxchat') . esc_html($error_message), |
| 11035 |
'error_code' => 'openrouter_api_error', |
| 11036 |
'provider' => 'openrouter', |
| 11037 |
'status_code' => $status_code |
| 11038 |
]; |
| 11039 |
} |
| 11040 |
|
| 11041 |
$response_body = wp_remote_retrieve_body($response); |
| 11042 |
$decoded_response = json_decode($response_body, true); |
| 11043 |
|
| 11044 |
if (isset($decoded_response['choices'][0]['message']['content'])) { |
| 11045 |
$text = trim($decoded_response['choices'][0]['message']['content']); |
| 11046 |
if ($text !== '') { |
| 11047 |
return $text; |
| 11048 |
} |
| 11049 |
return $this->mxchat_empty_completion_error($decoded_response, 'OpenRouter'); |
| 11050 |
} else { |
| 11051 |
return [ |
| 11052 |
'error' => esc_html__('Unexpected response format from OpenRouter.', 'mxchat'), |
| 11053 |
'error_code' => 'openrouter_response_format_error', |
| 11054 |
'provider' => 'openrouter' |
| 11055 |
]; |
| 11056 |
} |
| 11057 |
} catch (Exception $e) { |
| 11058 |
return [ |
| 11059 |
'error' => esc_html__('System error when processing OpenRouter request: ', 'mxchat') . esc_html($e->getMessage()), |
| 11060 |
'error_code' => 'openrouter_exception', |
| 11061 |
'provider' => 'openrouter' |
| 11062 |
]; |
| 11063 |
} |
| 11064 |
} |
| 11065 |
|
| 11066 |
/** |
| 11067 |
* Build a chat-bubble-safe message for a non-200 provider (chat) error. |
| 11068 |
* |
| 11069 |
* Visitors must NEVER see raw API internals (model names, key/billing/quota |
| 11070 |
* text). Admins (manage_options) get an actionable hint — and, for the common |
| 11071 |
* "model not available on this key" case, a direct pointer to change the model |
| 11072 |
* (the site owner can fix it in one click). Anthropic returns model-access as a |
| 11073 |
* 4xx with a message like "Claude Fable 5 is not available. Please use Opus 4.8." |
| 11074 |
* |
| 11075 |
* Provider-agnostic by design (reusable for the xai/gemini/deepseek branches), |
| 11076 |
* but Anthropic is the confirmed, reproduced case wired up here (plan 1d3b0f). |
| 11077 |
* |
| 11078 |
* @param int $http_code HTTP status from the provider. |
| 11079 |
* @param string $error_message Raw provider error.message (may be empty). |
| 11080 |
* @param string $provider_label Human provider name, e.g. 'Anthropic'. |
| 11081 |
* @param string $model The model id the failing request used. When a |
| 11082 |
* model-access failure is detected and this is |
| 11083 |
* non-empty, a persistent admin notice is armed |
| 11084 |
* (mxchat_show_model_access_notice) so the OWNER |
| 11085 |
* learns about it even when only anonymous |
| 11086 |
* visitors hit the broken bot (plan e46b8f). |
| 11087 |
* @return string Message safe to render as a chat bubble. |
| 11088 |
*/ |
| 11089 |
private function mxchat_friendly_chat_error($http_code, $error_message, $provider_label = '', $model = '') { |
| 11090 |
$raw = trim((string) $error_message); |
| 11091 |
|
| 11092 |
// Detect a model-access / availability problem the site owner can fix by |
| 11093 |
// choosing a different model. (Anthropic phrasing + the common API shapes.) |
| 11094 |
$low = strtolower($raw); |
| 11095 |
$is_model_access = (strpos($low, 'not available') !== false) |
| 11096 |
|| (strpos($low, 'does not have access') !== false) |
| 11097 |
|| (strpos($low, 'do not have access') !== false) |
| 11098 |
|| (strpos($low, 'does not exist') !== false) // OpenAI: "model `x` does not exist or you do not have access" |
| 11099 |
|| (strpos($low, 'model_not_found') !== false) |
| 11100 |
|| (strpos($low, 'not_found_error') !== false) |
| 11101 |
|| (strpos($low, 'model not found') !== false) // xAI |
| 11102 |
|| (strpos($low, 'not found') !== false) // Gemini: "models/x is not found for API version ..." |
| 11103 |
|| (strpos($low, 'permission_denied') !== false) // Gemini gated model |
| 11104 |
|| (strpos($low, 'permission denied') !== false); |
| 11105 |
|
| 11106 |
// Arm the persistent admin notice (throttled: skip if the same model was |
| 11107 |
// flagged within the last hour — chat errors can fire per message). |
| 11108 |
if ($is_model_access && $model !== '') { |
| 11109 |
$existing = get_option('mxchat_model_access_notice'); |
| 11110 |
$stale = !is_array($existing) |
| 11111 |
|| !isset($existing['model'], $existing['time']) |
| 11112 |
|| $existing['model'] !== $model |
| 11113 |
|| (time() - (int) $existing['time']) > HOUR_IN_SECONDS; |
| 11114 |
if ($stale) { |
| 11115 |
update_option('mxchat_model_access_notice', array( |
| 11116 |
'model' => (string) $model, |
| 11117 |
'provider' => (string) $provider_label, |
| 11118 |
'time' => time(), |
| 11119 |
), false); |
| 11120 |
} |
| 11121 |
} |
| 11122 |
|
| 11123 |
if (current_user_can('manage_options')) { |
| 11124 |
if ($is_model_access) { |
| 11125 |
return $raw !== '' |
| 11126 |
? sprintf( |
| 11127 |
/* translators: %s: raw provider error detail */ |
| 11128 |
esc_html__('The selected AI model isn\'t available on your API key. Choose another model in MxChat → Settings. (Details: %s)', 'mxchat'), |
| 11129 |
$raw |
| 11130 |
) |
| 11131 |
: esc_html__('The selected AI model isn\'t available on your API key. Choose another model in MxChat → Settings.', 'mxchat'); |
| 11132 |
} |
| 11133 |
return $raw !== '' |
| 11134 |
? sprintf( |
| 11135 |
/* translators: 1: provider label, 2: raw provider error detail */ |
| 11136 |
esc_html__('The AI provider (%1$s) returned an error: %2$s. Check your model and API key in MxChat → Settings.', 'mxchat'), |
| 11137 |
$provider_label !== '' ? $provider_label : esc_html__('AI', 'mxchat'), |
| 11138 |
$raw |
| 11139 |
) |
| 11140 |
: esc_html__('The AI provider returned an error. Check your model and API key in MxChat → Settings.', 'mxchat'); |
| 11141 |
} |
| 11142 |
|
| 11143 |
// Visitors: friendly, generic, no internals leaked. |
| 11144 |
return esc_html__('Sorry, I\'m having trouble responding right now. Please try again in a moment.', 'mxchat'); |
| 11145 |
} |
| 11146 |
|
| 11147 |
private function mxchat_generate_response_claude($selected_model, $claude_api_key, $conversation_history, $relevant_content, $session_id = '') { |
| 11148 |
// Anthropic retired claude-opus-4-20250514 / claude-sonnet-4-20250514 on 2026-06-15. |
| 11149 |
// Read-time rescue: remap a saved dead ID to the current equivalent before the API call. |
| 11150 |
if ($selected_model === 'claude-opus-4-20250514') { $selected_model = 'claude-opus-4-8'; } |
| 11151 |
elseif ($selected_model === 'claude-sonnet-4-20250514') { $selected_model = 'claude-sonnet-4-6'; } |
| 11152 |
|
| 11153 |
// Get bot ID from session or request |
| 11154 |
$bot_id = $this->get_current_bot_id($session_id); |
| 11155 |
|
| 11156 |
// Get system prompt instructions using centralized function |
| 11157 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 11158 |
|
| 11159 |
// Clean and validate conversation history |
| 11160 |
foreach ($conversation_history as &$message) { |
| 11161 |
// Convert bot and agent roles to assistant |
| 11162 |
if ($message['role'] === 'bot' || $message['role'] === 'agent') { |
| 11163 |
$message['role'] = 'assistant'; |
| 11164 |
} |
| 11165 |
|
| 11166 |
// Remove unsupported roles - Claude only supports 'assistant' and 'user' |
| 11167 |
if (!in_array($message['role'], ['assistant', 'user'])) { |
| 11168 |
$message['role'] = 'user'; |
| 11169 |
} |
| 11170 |
|
| 11171 |
// Ensure content field exists |
| 11172 |
if (!isset($message['content']) || empty($message['content'])) { |
| 11173 |
$message['content'] = ''; |
| 11174 |
} |
| 11175 |
|
| 11176 |
// Remove any unsupported fields |
| 11177 |
$message = array_intersect_key($message, array_flip(['role', 'content'])); |
| 11178 |
} |
| 11179 |
|
| 11180 |
// Add relevant content as the latest user message |
| 11181 |
$conversation_history[] = [ |
| 11182 |
'role' => 'user', |
| 11183 |
'content' => $relevant_content |
| 11184 |
]; |
| 11185 |
|
| 11186 |
// Build request body |
| 11187 |
$payload = [ |
| 11188 |
'model' => $selected_model, |
| 11189 |
'max_tokens' => 1000, |
| 11190 |
'temperature' => 0.8, |
| 11191 |
'messages' => $conversation_history, |
| 11192 |
'system' => $system_prompt_instructions |
| 11193 |
]; |
| 11194 |
if ($this->mxchat_claude_omits_temperature($selected_model)) { unset($payload['temperature']); } |
| 11195 |
$body = json_encode($payload); |
| 11196 |
|
| 11197 |
// Set up API request |
| 11198 |
$args = [ |
| 11199 |
'body' => $body, |
| 11200 |
'headers' => [ |
| 11201 |
'Content-Type' => 'application/json', |
| 11202 |
'x-api-key' => $claude_api_key, |
| 11203 |
'anthropic-version' => '2023-06-01' |
| 11204 |
], |
| 11205 |
'timeout' => 60, |
| 11206 |
'redirection' => 5, |
| 11207 |
'blocking' => true, |
| 11208 |
'httpversion' => '1.0', |
| 11209 |
'sslverify' => true, |
| 11210 |
]; |
| 11211 |
|
| 11212 |
// Make API request |
| 11213 |
$response = $this->mxchat_provider_call_with_retry('https://api.anthropic.com/v1/messages', $args, 'anthropic'); |
| 11214 |
|
| 11215 |
// Check for WordPress errors |
| 11216 |
if (is_wp_error($response)) { |
| 11217 |
//error_log("Claude API request error: " . $response->get_error_message()); |
| 11218 |
return "Sorry, there was an error connecting to the API."; |
| 11219 |
} |
| 11220 |
|
| 11221 |
// Check HTTP response code |
| 11222 |
$http_code = wp_remote_retrieve_response_code($response); |
| 11223 |
if ($http_code !== 200) { |
| 11224 |
$error_body = wp_remote_retrieve_body($response); |
| 11225 |
//error_log("Claude API HTTP error: " . $http_code . " - " . $error_body); |
| 11226 |
|
| 11227 |
// Try to extract error message from response |
| 11228 |
$error_data = json_decode($error_body, true); |
| 11229 |
$error_message = isset($error_data['error']['message']) ? |
| 11230 |
$error_data['error']['message'] : |
| 11231 |
"HTTP error " . $http_code; |
| 11232 |
|
| 11233 |
// Surface an admin-actionable message (and a model-change pointer for the |
| 11234 |
// model-access case) without leaking raw API internals to visitors. This |
| 11235 |
// is the single chokepoint for BOTH the non-streaming and streaming Claude |
| 11236 |
// paths (the stream's non-200 fallback re-enters this method). plan 1d3b0f. |
| 11237 |
return $this->mxchat_friendly_chat_error($http_code, $error_message, 'Anthropic', $selected_model); |
| 11238 |
} |
| 11239 |
|
| 11240 |
// Parse response |
| 11241 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 11242 |
|
| 11243 |
// Check for JSON decode errors |
| 11244 |
if (json_last_error() !== JSON_ERROR_NONE) { |
| 11245 |
//error_log("Claude API JSON decode error: " . json_last_error_msg()); |
| 11246 |
return "Sorry, there was an error processing the API response."; |
| 11247 |
} |
| 11248 |
|
| 11249 |
// Extract and validate response content. claude-fable-5 prepends a |
| 11250 |
// thinking block to content even with no thinking param — take the first |
| 11251 |
// TEXT block rather than content[0]. |
| 11252 |
if (isset($response_body['content']) && is_array($response_body['content'])) { |
| 11253 |
foreach ($response_body['content'] as $block) { |
| 11254 |
// plan-4aa8e5: skip empty text blocks — a 200 whose only text |
| 11255 |
// block trims to '' must not render as a silent empty bubble. |
| 11256 |
if (isset($block['type'], $block['text']) && $block['type'] === 'text' && trim($block['text']) !== '') { |
| 11257 |
return trim($block['text']); |
| 11258 |
} |
| 11259 |
} |
| 11260 |
return $this->mxchat_empty_completion_error($response_body, 'Claude'); |
| 11261 |
} |
| 11262 |
|
| 11263 |
// Log unexpected response format |
| 11264 |
//error_log("Claude API unexpected response format: " . print_r($response_body, true)); |
| 11265 |
return "Sorry, I received an unexpected response format from the API."; |
| 11266 |
} |
| 11267 |
private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content, $session_id = '') { |
| 11268 |
// OpenAI retires gpt-5.1-chat-latest / gpt-5.3-chat-latest on 2026-08-10 |
| 11269 |
// (replacement gpt-5.6-sol). Read-time rescue for saved / bot-level ids |
| 11270 |
// that missed mxchat_migrate_deprecated_models() (plan e46b8f). |
| 11271 |
if ($selected_model === 'gpt-5.1-chat-latest' || $selected_model === 'gpt-5.3-chat-latest') { $selected_model = 'gpt-5.6-sol'; } |
| 11272 |
try { |
| 11273 |
// Ensure conversation_history is an array |
| 11274 |
if (!is_array($conversation_history)) { |
| 11275 |
$conversation_history = array(); |
| 11276 |
} |
| 11277 |
|
| 11278 |
// Get bot ID from session or request. plan eb9c38: resolve the real bot |
| 11279 |
// from the session (was hardcoded '' → always default bot on multi-bot |
| 11280 |
// installs) and fix the undefined $session_id that fed get_system_instructions. |
| 11281 |
$bot_id = $this->get_current_bot_id($session_id); |
| 11282 |
|
| 11283 |
// Get system prompt instructions using centralized function |
| 11284 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 11285 |
|
| 11286 |
// Create a new array for the formatted conversation |
| 11287 |
$formatted_conversation = array(); |
| 11288 |
|
| 11289 |
// Add system message first |
| 11290 |
$formatted_conversation[] = array( |
| 11291 |
'role' => 'system', |
| 11292 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 11293 |
); |
| 11294 |
|
| 11295 |
// Add the rest of the conversation history |
| 11296 |
foreach ($conversation_history as $message) { |
| 11297 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 11298 |
$role = $message['role']; |
| 11299 |
|
| 11300 |
// Convert roles to supported format |
| 11301 |
if ($role === 'bot' || $role === 'agent') { |
| 11302 |
$role = 'assistant'; |
| 11303 |
} |
| 11304 |
if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 11305 |
$role = 'user'; |
| 11306 |
} |
| 11307 |
|
| 11308 |
$formatted_conversation[] = array( |
| 11309 |
'role' => $role, |
| 11310 |
'content' => $message['content'] |
| 11311 |
); |
| 11312 |
} |
| 11313 |
} |
| 11314 |
|
| 11315 |
// Build request body with optimal settings for fast responses |
| 11316 |
$request_body = [ |
| 11317 |
'model' => $selected_model, |
| 11318 |
'messages' => $formatted_conversation, |
| 11319 |
'temperature' => 1, |
| 11320 |
'stream' => false |
| 11321 |
]; |
| 11322 |
|
| 11323 |
// reasoning_effort — sourced from the core model catalog (plan-dcb71c); |
| 11324 |
// frozen inline ladder lives in mxchat_reasoning_effort_fallback(). |
| 11325 |
$effort = $this->mxchat_reasoning_effort_for($selected_model, 'chat'); |
| 11326 |
if ($effort !== null) { |
| 11327 |
$request_body['reasoning_effort'] = $effort; |
| 11328 |
} |
| 11329 |
|
| 11330 |
$body = json_encode($request_body); |
| 11331 |
|
| 11332 |
$args = [ |
| 11333 |
'body' => $body, |
| 11334 |
'headers' => [ |
| 11335 |
'Content-Type' => 'application/json', |
| 11336 |
'Authorization' => 'Bearer ' . $api_key, |
| 11337 |
], |
| 11338 |
'timeout' => 60, |
| 11339 |
'redirection' => 5, |
| 11340 |
'blocking' => true, |
| 11341 |
'httpversion' => '1.0', |
| 11342 |
'sslverify' => true, |
| 11343 |
]; |
| 11344 |
|
| 11345 |
$response = $this->mxchat_provider_call_with_retry('https://api.openai.com/v1/chat/completions', $args, 'openai'); |
| 11346 |
|
| 11347 |
if (is_wp_error($response)) { |
| 11348 |
$error_message = $response->get_error_message(); |
| 11349 |
return [ |
| 11350 |
'error' => $this->mxchat_friendly_chat_error(0, $error_message, 'OpenAI', $selected_model), |
| 11351 |
'error_code' => 'openai_connection_error', |
| 11352 |
'provider' => 'openai' |
| 11353 |
]; |
| 11354 |
} |
| 11355 |
|
| 11356 |
$status_code = wp_remote_retrieve_response_code($response); |
| 11357 |
if ($status_code !== 200) { |
| 11358 |
$response_body = wp_remote_retrieve_body($response); |
| 11359 |
$decoded_response = json_decode($response_body, true); |
| 11360 |
|
| 11361 |
$error_message = isset($decoded_response['error']['message']) |
| 11362 |
? $decoded_response['error']['message'] |
| 11363 |
: 'HTTP Error ' . $status_code; |
| 11364 |
|
| 11365 |
$error_type = isset($decoded_response['error']['type']) |
| 11366 |
? $decoded_response['error']['type'] |
| 11367 |
: 'unknown'; |
| 11368 |
|
| 11369 |
// Handle specific error types |
| 11370 |
switch ($error_type) { |
| 11371 |
case 'invalid_request_error': |
| 11372 |
if (strpos($error_message, 'API key') !== false) { |
| 11373 |
return [ |
| 11374 |
'error' => esc_html__('Invalid OpenAI API key. Please check your API key configuration.', 'mxchat'), |
| 11375 |
'error_code' => 'openai_invalid_api_key', |
| 11376 |
'provider' => 'openai' |
| 11377 |
]; |
| 11378 |
} |
| 11379 |
break; |
| 11380 |
|
| 11381 |
case 'authentication_error': |
| 11382 |
return [ |
| 11383 |
'error' => esc_html__('Authentication failed with OpenAI. Please check your API key.', 'mxchat'), |
| 11384 |
'error_code' => 'openai_auth_error', |
| 11385 |
'provider' => 'openai' |
| 11386 |
]; |
| 11387 |
|
| 11388 |
case 'rate_limit_exceeded': |
| 11389 |
return [ |
| 11390 |
'error' => esc_html__('OpenAI rate limit exceeded. Please try again later.', 'mxchat'), |
| 11391 |
'error_code' => 'openai_rate_limit', |
| 11392 |
'provider' => 'openai' |
| 11393 |
]; |
| 11394 |
|
| 11395 |
case 'quota_exceeded': |
| 11396 |
return [ |
| 11397 |
'error' => esc_html__('OpenAI API quota exceeded. Please check your billing details.', 'mxchat'), |
| 11398 |
'error_code' => 'openai_quota_exceeded', |
| 11399 |
'provider' => 'openai' |
| 11400 |
]; |
| 11401 |
} |
| 11402 |
|
| 11403 |
// Generic error fallback only — the typed cases above already produce |
| 11404 |
// clean messages. Route the raw-tail generic case through the leak-safe |
| 11405 |
// helper so visitors never see provider internals. plan 5da59a. |
| 11406 |
return [ |
| 11407 |
'error' => $this->mxchat_friendly_chat_error($status_code, $error_message, 'OpenAI', $selected_model), |
| 11408 |
'error_code' => 'openai_api_error', |
| 11409 |
'provider' => 'openai', |
| 11410 |
'status_code' => $status_code |
| 11411 |
]; |
| 11412 |
} |
| 11413 |
|
| 11414 |
$response_body = wp_remote_retrieve_body($response); |
| 11415 |
$decoded_response = json_decode($response_body, true); |
| 11416 |
|
| 11417 |
if (isset($decoded_response['choices'][0]['message']['content'])) { |
| 11418 |
$text = trim($decoded_response['choices'][0]['message']['content']); |
| 11419 |
if ($text !== '') { |
| 11420 |
return $text; |
| 11421 |
} |
| 11422 |
return $this->mxchat_empty_completion_error($decoded_response, 'OpenAI'); |
| 11423 |
} else { |
| 11424 |
return [ |
| 11425 |
'error' => esc_html__('Unexpected response format from OpenAI.', 'mxchat'), |
| 11426 |
'error_code' => 'openai_response_format_error', |
| 11427 |
'provider' => 'openai' |
| 11428 |
]; |
| 11429 |
} |
| 11430 |
} catch (Exception $e) { |
| 11431 |
return [ |
| 11432 |
'error' => esc_html__('System error when processing OpenAI request: ', 'mxchat') . esc_html($e->getMessage()), |
| 11433 |
'error_code' => 'openai_exception', |
| 11434 |
'provider' => 'openai' |
| 11435 |
]; |
| 11436 |
} |
| 11437 |
} |
| 11438 |
|
| 11439 |
private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content, $session_id = '') { |
| 11440 |
try { |
| 11441 |
// Get bot ID from session or request |
| 11442 |
$bot_id = $this->get_current_bot_id($session_id); |
| 11443 |
|
| 11444 |
// Get system prompt instructions using centralized function |
| 11445 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 11446 |
|
| 11447 |
// Add system prompt to relevant content |
| 11448 |
$content_with_instructions = $system_prompt_instructions . " " . $relevant_content; |
| 11449 |
|
| 11450 |
// Prepend system instructions to the conversation history |
| 11451 |
array_unshift($conversation_history, [ |
| 11452 |
'role' => 'system', |
| 11453 |
'content' => "Here are your instructions: " . $content_with_instructions |
| 11454 |
]); |
| 11455 |
|
| 11456 |
// Ensure consistency: Replace 'bot' and 'agent' roles with supported values |
| 11457 |
foreach ($conversation_history as &$message) { |
| 11458 |
if ($message['role'] === 'bot') { |
| 11459 |
$message['role'] = 'assistant'; |
| 11460 |
} elseif ($message['role'] === 'agent') { |
| 11461 |
// Tag the message as coming from a live agent |
| 11462 |
$message['role'] = 'assistant'; |
| 11463 |
if (!isset($message['metadata'])) { |
| 11464 |
$message['metadata'] = ['source' => 'live_agent']; |
| 11465 |
} |
| 11466 |
} |
| 11467 |
|
| 11468 |
// Ensure all roles are valid |
| 11469 |
if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 11470 |
$message['role'] = 'user'; // Default to 'user' |
| 11471 |
} |
| 11472 |
} |
| 11473 |
|
| 11474 |
// Build the request body |
| 11475 |
$body = json_encode([ |
| 11476 |
'model' => $selected_model, |
| 11477 |
'messages' => $conversation_history, |
| 11478 |
'temperature' => 0.8, |
| 11479 |
'stream' => false |
| 11480 |
]); |
| 11481 |
|
| 11482 |
// Set up the API request |
| 11483 |
$args = [ |
| 11484 |
'body' => $body, |
| 11485 |
'headers' => [ |
| 11486 |
'Content-Type' => 'application/json', |
| 11487 |
'Authorization' => 'Bearer ' . $xai_api_key, |
| 11488 |
], |
| 11489 |
'timeout' => 60, |
| 11490 |
'redirection' => 5, |
| 11491 |
'blocking' => true, |
| 11492 |
'httpversion' => '1.0', |
| 11493 |
'sslverify' => true, |
| 11494 |
]; |
| 11495 |
|
| 11496 |
// Make the API request |
| 11497 |
$response = $this->mxchat_provider_call_with_retry('https://api.x.ai/v1/chat/completions', $args, 'xai'); |
| 11498 |
|
| 11499 |
// Process the response |
| 11500 |
if (is_wp_error($response)) { |
| 11501 |
$error_message = $response->get_error_message(); |
| 11502 |
//error_log('X.AI API Error: ' . $error_message); |
| 11503 |
return [ |
| 11504 |
'error' => $this->mxchat_friendly_chat_error(0, $error_message, 'X.AI', $selected_model), |
| 11505 |
'error_code' => 'xai_connection_error', |
| 11506 |
'provider' => 'xai' |
| 11507 |
]; |
| 11508 |
} |
| 11509 |
|
| 11510 |
$status_code = wp_remote_retrieve_response_code($response); |
| 11511 |
if ($status_code !== 200) { |
| 11512 |
$response_body = wp_remote_retrieve_body($response); |
| 11513 |
$decoded_response = json_decode($response_body, true); |
| 11514 |
|
| 11515 |
// Log the full response for debugging |
| 11516 |
//error_log('X.AI Error Response: ' . print_r($decoded_response, true)); |
| 11517 |
|
| 11518 |
// Extract error message from X.AI's specific format |
| 11519 |
$error_message = ''; |
| 11520 |
|
| 11521 |
// Check for direct error string (as seen in your logs) |
| 11522 |
if (isset($decoded_response['error']) && is_string($decoded_response['error'])) { |
| 11523 |
$error_message = $decoded_response['error']; |
| 11524 |
} |
| 11525 |
// Check for nested error object (OpenAI style) |
| 11526 |
elseif (isset($decoded_response['error']['message'])) { |
| 11527 |
$error_message = $decoded_response['error']['message']; |
| 11528 |
} |
| 11529 |
// Check for top-level message |
| 11530 |
elseif (isset($decoded_response['message'])) { |
| 11531 |
$error_message = $decoded_response['message']; |
| 11532 |
} |
| 11533 |
// Fallback |
| 11534 |
else { |
| 11535 |
$error_message = 'HTTP Error ' . $status_code; |
| 11536 |
} |
| 11537 |
|
| 11538 |
//error_log('X.AI API HTTP Error: ' . $status_code . ' - ' . $error_message); |
| 11539 |
|
| 11540 |
// Check for API key errors using string matching |
| 11541 |
if (stripos($error_message, 'api key') !== false || |
| 11542 |
stripos($error_message, 'incorrect api key') !== false || |
| 11543 |
stripos($error_message, 'invalid api key') !== false) { |
| 11544 |
return [ |
| 11545 |
'error' => esc_html__('Invalid X.AI API key. Please check your API key configuration.', 'mxchat'), |
| 11546 |
'error_code' => 'xai_invalid_api_key', |
| 11547 |
'provider' => 'xai' |
| 11548 |
]; |
| 11549 |
} |
| 11550 |
|
| 11551 |
// Authentication errors |
| 11552 |
if ($status_code === 401 || $status_code === 403 || |
| 11553 |
stripos($error_message, 'auth') !== false) { |
| 11554 |
return [ |
| 11555 |
'error' => esc_html__('Authentication failed with X.AI. Please check your API key.', 'mxchat') . ' ' . esc_html($error_message), |
| 11556 |
'error_code' => 'xai_auth_error', |
| 11557 |
'provider' => 'xai' |
| 11558 |
]; |
| 11559 |
} |
| 11560 |
|
| 11561 |
// Model errors — keep the canned category text as a prefix, but carry the |
| 11562 |
// provider's extracted reason (e.g. "Model not found: <id>") so the owner |
| 11563 |
// sees the specific model/reason instead of only the generic category. |
| 11564 |
if (stripos($error_message, 'model') !== false) { |
| 11565 |
return [ |
| 11566 |
'error' => esc_html__('Invalid model specified for X.AI. Please check your model configuration.', 'mxchat') . ' ' . esc_html($error_message), |
| 11567 |
'error_code' => 'xai_invalid_model', |
| 11568 |
'provider' => 'xai' |
| 11569 |
]; |
| 11570 |
} |
| 11571 |
|
| 11572 |
// Rate limit errors |
| 11573 |
if ($status_code === 429 || |
| 11574 |
stripos($error_message, 'rate') !== false || |
| 11575 |
stripos($error_message, 'limit') !== false) { |
| 11576 |
return [ |
| 11577 |
'error' => esc_html__('X.AI rate limit exceeded. Please try again later.', 'mxchat'), |
| 11578 |
'error_code' => 'xai_rate_limit', |
| 11579 |
'provider' => 'xai' |
| 11580 |
]; |
| 11581 |
} |
| 11582 |
|
| 11583 |
// Quota errors |
| 11584 |
if (stripos($error_message, 'quota') !== false || |
| 11585 |
stripos($error_message, 'billing') !== false) { |
| 11586 |
return [ |
| 11587 |
'error' => esc_html__('X.AI API quota exceeded. Please check your billing details.', 'mxchat'), |
| 11588 |
'error_code' => 'xai_quota_exceeded', |
| 11589 |
'provider' => 'xai' |
| 11590 |
]; |
| 11591 |
} |
| 11592 |
|
| 11593 |
// Server errors |
| 11594 |
if ($status_code >= 500) { |
| 11595 |
return [ |
| 11596 |
'error' => esc_html__('X.AI service is currently unavailable. Please try again later.', 'mxchat'), |
| 11597 |
'error_code' => 'xai_service_unavailable', |
| 11598 |
'provider' => 'xai' |
| 11599 |
]; |
| 11600 |
} |
| 11601 |
|
| 11602 |
// Generic error fallback. Route the user-facing text through the |
| 11603 |
// leak-safe helper (admins get an actionable hint, visitors a generic |
| 11604 |
// fallback) instead of echoing raw provider internals. Preserve the |
| 11605 |
// structured contract (error_code/provider/status_code) for logging. plan 5da59a. |
| 11606 |
return [ |
| 11607 |
'error' => $this->mxchat_friendly_chat_error($status_code, $error_message, 'xAI', $selected_model), |
| 11608 |
'error_code' => 'xai_api_error', |
| 11609 |
'provider' => 'xai', |
| 11610 |
'status_code' => $status_code |
| 11611 |
]; |
| 11612 |
} |
| 11613 |
|
| 11614 |
$response_body = wp_remote_retrieve_body($response); |
| 11615 |
$decoded_response = json_decode($response_body, true); |
| 11616 |
|
| 11617 |
if (isset($decoded_response['choices'][0]['message']['content'])) { |
| 11618 |
$text = trim($decoded_response['choices'][0]['message']['content']); |
| 11619 |
if ($text !== '') { |
| 11620 |
return $text; |
| 11621 |
} |
| 11622 |
return $this->mxchat_empty_completion_error($decoded_response, 'X.AI'); |
| 11623 |
} else { |
| 11624 |
//error_log('X.AI API Response Format Error: ' . print_r($decoded_response, true)); |
| 11625 |
return [ |
| 11626 |
'error' => esc_html__('Unexpected response format from X.AI.', 'mxchat'), |
| 11627 |
'error_code' => 'xai_response_format_error', |
| 11628 |
'provider' => 'xai' |
| 11629 |
]; |
| 11630 |
} |
| 11631 |
} catch (Exception $e) { |
| 11632 |
//error_log('X.AI Exception: ' . $e->getMessage()); |
| 11633 |
return [ |
| 11634 |
'error' => esc_html__('System error when processing X.AI request: ', 'mxchat') . esc_html($e->getMessage()), |
| 11635 |
'error_code' => 'xai_exception', |
| 11636 |
'provider' => 'xai' |
| 11637 |
]; |
| 11638 |
} |
| 11639 |
|
| 11640 |
|
| 11641 |
} |
| 11642 |
private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content, $session_id = '') { |
| 11643 |
try { |
| 11644 |
// Ensure conversation_history is an array |
| 11645 |
if (!is_array($conversation_history)) { |
| 11646 |
$conversation_history = array(); |
| 11647 |
} |
| 11648 |
|
| 11649 |
// Get bot ID from session or request |
| 11650 |
$bot_id = $this->get_current_bot_id($session_id); |
| 11651 |
|
| 11652 |
// Get system prompt instructions using centralized function |
| 11653 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 11654 |
|
| 11655 |
// Create a new array for the formatted conversation |
| 11656 |
$formatted_conversation = array(); |
| 11657 |
|
| 11658 |
// Add system message first |
| 11659 |
$formatted_conversation[] = array( |
| 11660 |
'role' => 'system', |
| 11661 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 11662 |
); |
| 11663 |
|
| 11664 |
// Add the rest of the conversation history |
| 11665 |
foreach ($conversation_history as $message) { |
| 11666 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 11667 |
$role = $message['role']; |
| 11668 |
|
| 11669 |
// Convert roles to supported format |
| 11670 |
if ($role === 'bot' || $role === 'agent') { |
| 11671 |
$role = 'assistant'; |
| 11672 |
} |
| 11673 |
if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 11674 |
$role = 'user'; |
| 11675 |
} |
| 11676 |
|
| 11677 |
$formatted_conversation[] = array( |
| 11678 |
'role' => $role, |
| 11679 |
'content' => $message['content'] |
| 11680 |
); |
| 11681 |
} |
| 11682 |
} |
| 11683 |
|
| 11684 |
$body = json_encode([ |
| 11685 |
'model' => $selected_model, |
| 11686 |
'messages' => $formatted_conversation, |
| 11687 |
'temperature' => 0.8, |
| 11688 |
'stream' => false, |
| 11689 |
// DeepSeek V4 defaults to thinking mode ON (temperature ignored, |
| 11690 |
// slow reasoning-first responses); the widget wants the legacy |
| 11691 |
// deepseek-chat semantics = non-thinking. |
| 11692 |
'thinking' => ['type' => 'disabled'] |
| 11693 |
]); |
| 11694 |
|
| 11695 |
$args = [ |
| 11696 |
'body' => $body, |
| 11697 |
'headers' => [ |
| 11698 |
'Content-Type' => 'application/json', |
| 11699 |
'Authorization' => 'Bearer ' . $deepseek_api_key, |
| 11700 |
], |
| 11701 |
'timeout' => 60, |
| 11702 |
'redirection' => 5, |
| 11703 |
'blocking' => true, |
| 11704 |
'httpversion' => '1.0', |
| 11705 |
'sslverify' => true, |
| 11706 |
]; |
| 11707 |
|
| 11708 |
$response = $this->mxchat_provider_call_with_retry('https://api.deepseek.com/v1/chat/completions', $args, 'openai'); |
| 11709 |
|
| 11710 |
if (is_wp_error($response)) { |
| 11711 |
$error_message = $response->get_error_message(); |
| 11712 |
//error_log('DeepSeek API Error: ' . $error_message); |
| 11713 |
return [ |
| 11714 |
'error' => $this->mxchat_friendly_chat_error(0, $error_message, 'DeepSeek', $selected_model), |
| 11715 |
'error_code' => 'deepseek_connection_error', |
| 11716 |
'provider' => 'deepseek' |
| 11717 |
]; |
| 11718 |
} |
| 11719 |
|
| 11720 |
$status_code = wp_remote_retrieve_response_code($response); |
| 11721 |
if ($status_code !== 200) { |
| 11722 |
$response_body = wp_remote_retrieve_body($response); |
| 11723 |
$decoded_response = json_decode($response_body, true); |
| 11724 |
|
| 11725 |
$error_message = isset($decoded_response['error']['message']) |
| 11726 |
? $decoded_response['error']['message'] |
| 11727 |
: 'HTTP Error ' . $status_code; |
| 11728 |
|
| 11729 |
$error_type = isset($decoded_response['error']['type']) |
| 11730 |
? $decoded_response['error']['type'] |
| 11731 |
: 'unknown'; |
| 11732 |
|
| 11733 |
//error_log('DeepSeek API HTTP Error: ' . $status_code . ' - ' . $error_message); |
| 11734 |
|
| 11735 |
// Handle specific error types |
| 11736 |
switch ($status_code) { |
| 11737 |
case 401: |
| 11738 |
return [ |
| 11739 |
'error' => esc_html__('Authentication failed with DeepSeek. Please check your API key.', 'mxchat'), |
| 11740 |
'error_code' => 'deepseek_auth_error', |
| 11741 |
'provider' => 'deepseek' |
| 11742 |
]; |
| 11743 |
|
| 11744 |
case 400: |
| 11745 |
if (strpos($error_message, 'API key') !== false) { |
| 11746 |
return [ |
| 11747 |
'error' => esc_html__('Invalid DeepSeek API key. Please check your API key configuration.', 'mxchat'), |
| 11748 |
'error_code' => 'deepseek_invalid_api_key', |
| 11749 |
'provider' => 'deepseek' |
| 11750 |
]; |
| 11751 |
} |
| 11752 |
break; |
| 11753 |
|
| 11754 |
case 429: |
| 11755 |
if (strpos($error_message, 'quota') !== false) { |
| 11756 |
return [ |
| 11757 |
'error' => esc_html__('DeepSeek API quota exceeded. Please check your billing details.', 'mxchat'), |
| 11758 |
'error_code' => 'deepseek_quota_exceeded', |
| 11759 |
'provider' => 'deepseek' |
| 11760 |
]; |
| 11761 |
} else { |
| 11762 |
return [ |
| 11763 |
'error' => esc_html__('DeepSeek rate limit exceeded. Please try again later.', 'mxchat'), |
| 11764 |
'error_code' => 'deepseek_rate_limit', |
| 11765 |
'provider' => 'deepseek' |
| 11766 |
]; |
| 11767 |
} |
| 11768 |
|
| 11769 |
case 500: |
| 11770 |
case 502: |
| 11771 |
case 503: |
| 11772 |
case 504: |
| 11773 |
return [ |
| 11774 |
'error' => esc_html__('DeepSeek service is currently unavailable. Please try again later.', 'mxchat'), |
| 11775 |
'error_code' => 'deepseek_service_unavailable', |
| 11776 |
'provider' => 'deepseek' |
| 11777 |
]; |
| 11778 |
} |
| 11779 |
|
| 11780 |
// Generic error fallback — leak-safe helper (see plan 5da59a / 1d3b0f). |
| 11781 |
return [ |
| 11782 |
'error' => $this->mxchat_friendly_chat_error($status_code, $error_message, 'DeepSeek', $selected_model), |
| 11783 |
'error_code' => 'deepseek_api_error', |
| 11784 |
'provider' => 'deepseek', |
| 11785 |
'status_code' => $status_code |
| 11786 |
]; |
| 11787 |
} |
| 11788 |
|
| 11789 |
$response_body = wp_remote_retrieve_body($response); |
| 11790 |
$decoded_response = json_decode($response_body, true); |
| 11791 |
|
| 11792 |
if (isset($decoded_response['choices'][0]['message']['content'])) { |
| 11793 |
$text = trim($decoded_response['choices'][0]['message']['content']); |
| 11794 |
if ($text !== '') { |
| 11795 |
return $text; |
| 11796 |
} |
| 11797 |
return $this->mxchat_empty_completion_error($decoded_response, 'DeepSeek'); |
| 11798 |
} else { |
| 11799 |
//error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true)); |
| 11800 |
return [ |
| 11801 |
'error' => esc_html__('Unexpected response format from DeepSeek.', 'mxchat'), |
| 11802 |
'error_code' => 'deepseek_response_format_error', |
| 11803 |
'provider' => 'deepseek' |
| 11804 |
]; |
| 11805 |
} |
| 11806 |
} catch (Exception $e) { |
| 11807 |
//error_log('DeepSeek Exception: ' . $e->getMessage()); |
| 11808 |
return [ |
| 11809 |
'error' => esc_html__('System error when processing DeepSeek request: ', 'mxchat') . esc_html($e->getMessage()), |
| 11810 |
'error_code' => 'deepseek_exception', |
| 11811 |
'provider' => 'deepseek' |
| 11812 |
]; |
| 11813 |
} |
| 11814 |
} |
| 11815 |
private function mxchat_generate_response_gemini($selected_model, $gemini_api_key, $conversation_history, $relevant_content, $session_id = '') { |
| 11816 |
// Read-time remap: gemini-3-pro-preview was shut down March 9, 2026. |
| 11817 |
// Auto-rescue existing installs whose saved model is the dead ID. |
| 11818 |
if ($selected_model === 'gemini-3-pro-preview') { |
| 11819 |
$selected_model = 'gemini-3.1-pro-preview'; |
| 11820 |
} |
| 11821 |
// Get bot ID from session or request |
| 11822 |
$bot_id = $this->get_current_bot_id($session_id); |
| 11823 |
|
| 11824 |
// Get system prompt instructions using centralized function |
| 11825 |
$system_prompt_instructions = $this->get_system_instructions($bot_id, $session_id); |
| 11826 |
|
| 11827 |
// Add system prompt to relevant content |
| 11828 |
$content_with_instructions = $system_prompt_instructions . " " . $relevant_content; |
| 11829 |
|
| 11830 |
// Format messages for Gemini API |
| 11831 |
$formatted_messages = []; |
| 11832 |
|
| 11833 |
// Add system message as the first user message with role prefix |
| 11834 |
// Note: Gemini doesn't have a dedicated system role, so we use a prefixed user message |
| 11835 |
$formatted_messages[] = [ |
| 11836 |
'role' => 'user', |
| 11837 |
'parts' => [ |
| 11838 |
['text' => "[System Instructions] " . $content_with_instructions] |
| 11839 |
] |
| 11840 |
]; |
| 11841 |
|
| 11842 |
// Add model response to acknowledge system instructions |
| 11843 |
$formatted_messages[] = [ |
| 11844 |
'role' => 'model', |
| 11845 |
'parts' => [ |
| 11846 |
['text' => "I understand and will follow these instructions."] |
| 11847 |
] |
| 11848 |
]; |
| 11849 |
|
| 11850 |
// Process the rest of the conversation history |
| 11851 |
$current_role = null; |
| 11852 |
$current_parts = []; |
| 11853 |
|
| 11854 |
foreach ($conversation_history as $message) { |
| 11855 |
// Skip the first system message as we already handled it |
| 11856 |
if ($message['role'] === 'system') { |
| 11857 |
continue; |
| 11858 |
} |
| 11859 |
|
| 11860 |
// Map roles to Gemini format |
| 11861 |
$gemini_role = ''; |
| 11862 |
if ($message['role'] === 'user') { |
| 11863 |
$gemini_role = 'user'; |
| 11864 |
} else if (in_array($message['role'], ['assistant', 'bot', 'agent'])) { |
| 11865 |
$gemini_role = 'model'; |
| 11866 |
} else { |
| 11867 |
// Skip unsupported roles |
| 11868 |
continue; |
| 11869 |
} |
| 11870 |
|
| 11871 |
// If we have a new role, add the previous message |
| 11872 |
if ($current_role !== null && $current_role !== $gemini_role && !empty($current_parts)) { |
| 11873 |
$formatted_messages[] = [ |
| 11874 |
'role' => $current_role, |
| 11875 |
'parts' => $current_parts |
| 11876 |
]; |
| 11877 |
$current_parts = []; |
| 11878 |
} |
| 11879 |
|
| 11880 |
// Set current role and add text to parts |
| 11881 |
$current_role = $gemini_role; |
| 11882 |
$current_parts[] = ['text' => $message['content']]; |
| 11883 |
} |
| 11884 |
|
| 11885 |
// Add the last message if there's content |
| 11886 |
if ($current_role !== null && !empty($current_parts)) { |
| 11887 |
$formatted_messages[] = [ |
| 11888 |
'role' => $current_role, |
| 11889 |
'parts' => $current_parts |
| 11890 |
]; |
| 11891 |
} |
| 11892 |
|
| 11893 |
// Built-in Web Search grounding for Gemini (plan 46b9ea). |
| 11894 |
// The enable_web_search toggle historically routed ONLY to OpenAI's web_search |
| 11895 |
// tool; for a Gemini chat model it was a silent no-op. Gemini grounds natively |
| 11896 |
// (and free) via the Google Search tool, so when the toggle is on we attach it |
| 11897 |
// here on the PLAIN dispatch path. The function-calling loop (mxchat_fc_loop_gemini) |
| 11898 |
// is a SEPARATE path reached only when AI Tools are active, so grounding here |
| 11899 |
// never double-fires with function calling. |
| 11900 |
$web_search_enabled = isset($this->options['enable_web_search']) && $this->options['enable_web_search'] === 'on'; |
| 11901 |
// Gemini ids that do NOT support Google Search grounding (none today — every |
| 11902 |
// shipped chat model is 2.x/3.x and grounds natively). Kept as the explicit |
| 11903 |
// opt-out list mirroring the OpenAI $unsupported_web_search_models pattern. |
| 11904 |
$gemini_unsupported_grounding = array(); |
| 11905 |
$grounding_active = $web_search_enabled && !in_array($selected_model, $gemini_unsupported_grounding, true); |
| 11906 |
|
| 11907 |
// Build the request body |
| 11908 |
$request_payload = [ |
| 11909 |
'contents' => $formatted_messages, |
| 11910 |
'generationConfig' => [ |
| 11911 |
'temperature' => 0.7, |
| 11912 |
'topP' => 0.95, |
| 11913 |
'topK' => 40, |
| 11914 |
'maxOutputTokens' => 8192, |
| 11915 |
], |
| 11916 |
'safetySettings' => [ |
| 11917 |
[ |
| 11918 |
'category' => 'HARM_CATEGORY_HARASSMENT', |
| 11919 |
'threshold' => 'BLOCK_MEDIUM_AND_ABOVE' |
| 11920 |
], |
| 11921 |
[ |
| 11922 |
'category' => 'HARM_CATEGORY_HATE_SPEECH', |
| 11923 |
'threshold' => 'BLOCK_MEDIUM_AND_ABOVE' |
| 11924 |
], |
| 11925 |
[ |
| 11926 |
'category' => 'HARM_CATEGORY_SEXUALLY_EXPLICIT', |
| 11927 |
'threshold' => 'BLOCK_MEDIUM_AND_ABOVE' |
| 11928 |
], |
| 11929 |
[ |
| 11930 |
'category' => 'HARM_CATEGORY_DANGEROUS_CONTENT', |
| 11931 |
'threshold' => 'BLOCK_MEDIUM_AND_ABOVE' |
| 11932 |
] |
| 11933 |
] |
| 11934 |
]; |
| 11935 |
|
| 11936 |
if ($grounding_active) { |
| 11937 |
// Gemini 1.5 used the older google_search_retrieval shape; 2.0+ uses the |
| 11938 |
// bare google_search tool. Branch by model family so a future 1.5 id still |
| 11939 |
// grounds (no 1.5 ships today, so this resolves to google_search). The empty |
| 11940 |
// tool config must serialize as a JSON object {}, not an array []. |
| 11941 |
if (strpos($selected_model, 'gemini-1.5') !== false) { |
| 11942 |
$request_payload['tools'] = [ ['google_search_retrieval' => new \stdClass()] ]; |
| 11943 |
} else { |
| 11944 |
$request_payload['tools'] = [ ['google_search' => new \stdClass()] ]; |
| 11945 |
} |
| 11946 |
} |
| 11947 |
|
| 11948 |
$body = json_encode($request_payload); |
| 11949 |
|
| 11950 |
// Prepare the API endpoint |
| 11951 |
// Use v1beta for preview models (Gemini 3, experimental), v1 for stable models. |
| 11952 |
// Grounding (the google_search tool) is a v1beta feature, so force v1beta whenever |
| 11953 |
// it's active — otherwise a stable model on v1 would silently drop the tool. |
| 11954 |
$api_version = ($grounding_active || strpos($selected_model, 'preview') !== false || strpos($selected_model, 'exp') !== false) ? 'v1beta' : 'v1'; |
| 11955 |
$api_endpoint = 'https://generativelanguage.googleapis.com/' . $api_version . '/models/' . $selected_model . ':generateContent?key=' . $gemini_api_key; |
| 11956 |
|
| 11957 |
// Set up the API request |
| 11958 |
$args = [ |
| 11959 |
'body' => $body, |
| 11960 |
'headers' => [ |
| 11961 |
'Content-Type' => 'application/json', |
| 11962 |
], |
| 11963 |
'timeout' => 60, |
| 11964 |
'redirection' => 5, |
| 11965 |
'blocking' => true, |
| 11966 |
'httpversion' => '1.0', |
| 11967 |
'sslverify' => true, |
| 11968 |
]; |
| 11969 |
|
| 11970 |
// Make the API request |
| 11971 |
$response = $this->mxchat_provider_call_with_retry($api_endpoint, $args, 'gemini'); |
| 11972 |
|
| 11973 |
// Process the response |
| 11974 |
if (is_wp_error($response)) { |
| 11975 |
// plan b13282: route the transport-error string through the leak-safe helper |
| 11976 |
// (admin-actionable, generic for visitors) instead of echoing the raw WP HTTP |
| 11977 |
// error. http_code 0 = no HTTP response, so the helper uses the generic branch. |
| 11978 |
return $this->mxchat_friendly_chat_error(0, $response->get_error_message(), 'Gemini', $selected_model); |
| 11979 |
} |
| 11980 |
|
| 11981 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 11982 |
|
| 11983 |
// Handle potential errors in the response. Gemini surfaces errors as a |
| 11984 |
// 200/non-200 body with an `error` envelope; route the user-facing text |
| 11985 |
// through the leak-safe helper (admin-actionable, no visitor leak) rather |
| 11986 |
// than echoing the raw provider message. plan 5da59a. |
| 11987 |
if (isset($response_body['error'])) { |
| 11988 |
//error_log('Gemini API Error: ' . json_encode($response_body['error'])); |
| 11989 |
$gemini_error_message = isset($response_body['error']['message']) |
| 11990 |
? $response_body['error']['message'] |
| 11991 |
: 'Unknown error'; |
| 11992 |
$gemini_http_code = wp_remote_retrieve_response_code($response); |
| 11993 |
return $this->mxchat_friendly_chat_error($gemini_http_code, $gemini_error_message, 'Gemini', $selected_model); |
| 11994 |
} |
| 11995 |
|
| 11996 |
// Extract the response text |
| 11997 |
if (isset($response_body['candidates'][0]['content']['parts'][0]['text'])) { |
| 11998 |
$text = trim($response_body['candidates'][0]['content']['parts'][0]['text']); |
| 11999 |
if ($text !== '') { |
| 12000 |
return $text; |
| 12001 |
} |
| 12002 |
return $this->mxchat_empty_completion_error($response_body, 'Gemini'); |
| 12003 |
} else { |
| 12004 |
//error_log('Unexpected Gemini API response format: ' . json_encode($response_body)); |
| 12005 |
return "Sorry, I couldn't process that request. The response format was unexpected."; |
| 12006 |
} |
| 12007 |
} |
| 12008 |
|
| 12009 |
|
| 12010 |
public function test_streaming_request() { |
| 12011 |
$options = get_option('mxchat_options', []); |
| 12012 |
$model = $options['model'] ?? 'gpt-5.6-sol'; |
| 12013 |
|
| 12014 |
// Detect provider from model prefix |
| 12015 |
$provider = strtolower(explode('-', $model)[0]); |
| 12016 |
|
| 12017 |
$sample_prompt = 'Hello! Can you stream this response back to me?'; |
| 12018 |
$messages = [['role' => 'user', 'content' => $sample_prompt]]; |
| 12019 |
$headers = []; |
| 12020 |
$body = []; |
| 12021 |
$url = ''; |
| 12022 |
$api_key = ''; |
| 12023 |
|
| 12024 |
switch ($provider) { |
| 12025 |
case 'gpt': |
| 12026 |
case 'o1': |
| 12027 |
$api_key = $options['api_key'] ?? ''; |
| 12028 |
if (empty($api_key)) return '❌ Missing API key for OpenAI'; |
| 12029 |
$url = 'https://api.openai.com/v1/chat/completions'; |
| 12030 |
$headers = [ |
| 12031 |
'Content-Type: application/json', |
| 12032 |
'Authorization: Bearer ' . $api_key |
| 12033 |
]; |
| 12034 |
$body = [ |
| 12035 |
'model' => $model, |
| 12036 |
'messages' => $messages, |
| 12037 |
'stream' => true |
| 12038 |
]; |
| 12039 |
break; |
| 12040 |
|
| 12041 |
case 'claude': |
| 12042 |
$api_key = $options['claude_api_key'] ?? ''; |
| 12043 |
if (empty($api_key)) return '❌ Missing API key for Claude'; |
| 12044 |
$url = 'https://api.anthropic.com/v1/messages'; |
| 12045 |
$headers = [ |
| 12046 |
'Content-Type: application/json', |
| 12047 |
'x-api-key: ' . $api_key, |
| 12048 |
'anthropic-version: 2023-06-01' |
| 12049 |
]; |
| 12050 |
$body = [ |
| 12051 |
'model' => $model, |
| 12052 |
'messages' => $messages, |
| 12053 |
'max_tokens' => 100, |
| 12054 |
'stream' => true |
| 12055 |
]; |
| 12056 |
break; |
| 12057 |
|
| 12058 |
case 'grok': |
| 12059 |
$api_key = $options['xai_api_key'] ?? ''; |
| 12060 |
if (empty($api_key)) return '❌ Missing API key for X.AI'; |
| 12061 |
$url = 'https://api.x.ai/v1/chat/completions'; |
| 12062 |
$headers = [ |
| 12063 |
'Content-Type: application/json', |
| 12064 |
'Authorization: Bearer ' . $api_key |
| 12065 |
]; |
| 12066 |
$body = [ |
| 12067 |
'model' => $model, |
| 12068 |
'messages' => $messages, |
| 12069 |
'stream' => true |
| 12070 |
]; |
| 12071 |
break; |
| 12072 |
|
| 12073 |
case 'deepseek': |
| 12074 |
if (empty($deepseek_api_key)) { |
| 12075 |
$error_response = [ |
| 12076 |
'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'), |
| 12077 |
'error_code' => 'missing_deepseek_api_key' |
| 12078 |
]; |
| 12079 |
if ($testing_data !== null) { |
| 12080 |
$error_response['testing_data'] = $testing_data; |
| 12081 |
} |
| 12082 |
return $error_response; |
| 12083 |
} |
| 12084 |
if ($streaming) { |
| 12085 |
return $this->mxchat_generate_response_deepseek_stream( |
| 12086 |
$selected_model, |
| 12087 |
$deepseek_api_key, |
| 12088 |
$conversation_history, |
| 12089 |
$relevant_content, |
| 12090 |
$session_id, |
| 12091 |
$testing_data // Pass testing data |
| 12092 |
); |
| 12093 |
} else { |
| 12094 |
$response = $this->mxchat_generate_response_deepseek( |
| 12095 |
$selected_model, |
| 12096 |
$deepseek_api_key, |
| 12097 |
$conversation_history, |
| 12098 |
$relevant_content, |
| 12099 |
$session_id |
| 12100 |
); |
| 12101 |
} |
| 12102 |
break; |
| 12103 |
|
| 12104 |
case 'gemini': |
| 12105 |
$api_key = $options['gemini_api_key'] ?? ''; |
| 12106 |
if (empty($api_key)) return '❌ Missing API key for Gemini'; |
| 12107 |
$url = 'https://generativelanguage.googleapis.com/v1beta/models/' . $model . ':streamGenerateContent?key=' . $api_key; |
| 12108 |
$headers = ['Content-Type: application/json']; |
| 12109 |
$body = [ |
| 12110 |
'contents' => [['role' => 'user', 'parts' => [['text' => $sample_prompt]]]], |
| 12111 |
'generationConfig' => ['temperature' => 0.7] |
| 12112 |
]; |
| 12113 |
break; |
| 12114 |
|
| 12115 |
default: |
| 12116 |
return '❌ Unsupported provider: ' . $provider; |
| 12117 |
} |
| 12118 |
|
| 12119 |
// Do the actual streaming test |
| 12120 |
$ch = curl_init($url); |
| 12121 |
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body)); |
| 12122 |
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); |
| 12123 |
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
| 12124 |
curl_setopt($ch, CURLOPT_TIMEOUT, 15); |
| 12125 |
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true); |
| 12126 |
|
| 12127 |
$response = curl_exec($ch); |
| 12128 |
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
| 12129 |
$error = curl_error($ch); |
| 12130 |
curl_close($ch); |
| 12131 |
|
| 12132 |
if ($error) return "❌ cURL error: $error"; |
| 12133 |
if ($http_code !== 200) { |
| 12134 |
$error_message = json_decode($response, true)['error']['message'] ?? 'Unknown'; |
| 12135 |
return "❌ HTTP $http_code: $error_message"; |
| 12136 |
} |
| 12137 |
|
| 12138 |
return true; |
| 12139 |
} |
| 12140 |
|
| 12141 |
public function mxchat_dismiss_pre_chat_message() { |
| 12142 |
// Get and sanitize the user identifier |
| 12143 |
$user_id = $this->mxchat_get_user_identifier(); |
| 12144 |
$user_id = sanitize_key($user_id); |
| 12145 |
|
| 12146 |
// Set a transient to track that the user has dismissed the pre-chat message |
| 12147 |
$transient_key = 'mxchat_pre_chat_message_dismissed_' . $user_id; |
| 12148 |
set_transient($transient_key, true, DAY_IN_SECONDS); |
| 12149 |
|
| 12150 |
wp_send_json_success(); |
| 12151 |
} |
| 12152 |
|
| 12153 |
public function mxchat_check_pre_chat_message_status() { |
| 12154 |
// Get and sanitize the user identifier |
| 12155 |
$user_id = $this->mxchat_get_user_identifier(); |
| 12156 |
$user_id = sanitize_key($user_id); |
| 12157 |
|
| 12158 |
// Check if the transient exists (i.e., if the message was dismissed) |
| 12159 |
$transient_key = 'mxchat_pre_chat_message_dismissed_' . $user_id; |
| 12160 |
$dismissed = get_transient($transient_key); |
| 12161 |
|
| 12162 |
// Log the result to see if it's being set correctly |
| 12163 |
//error_log("Check pre-chat message dismissed for $user_id: " . ($dismissed ? 'Yes' : 'No')); |
| 12164 |
|
| 12165 |
if ($dismissed) { |
| 12166 |
wp_send_json_success(['dismissed' => true]); |
| 12167 |
} else { |
| 12168 |
wp_send_json_success(['dismissed' => false]); |
| 12169 |
} |
| 12170 |
|
| 12171 |
wp_die(); |
| 12172 |
} |
| 12173 |
|
| 12174 |
/** |
| 12175 |
* Keyword leg for hybrid retrieval (plan-38ffa1): ranked keyword query over |
| 12176 |
* the WP-DB knowledge table. FULLTEXT when the index is available, LIKE on |
| 12177 |
* the top query terms otherwise (capability detected once and cached by |
| 12178 |
* MxChat_Utils::mxchat_hybrid_detect_capability). Respects the same bot |
| 12179 |
* scoping as the vector query ($bot_filter) and the same role-restriction |
| 12180 |
* access rules as vector candidates. |
| 12181 |
* |
| 12182 |
* @return array[] Ranked hits: [id, source_url, role_restriction, has_access] |
| 12183 |
*/ |
| 12184 |
private function mxchat_hybrid_keyword_search($user_query, $system_prompt_table, $bot_filter, $knowledge_manager) { |
| 12185 |
global $wpdb; |
| 12186 |
|
| 12187 |
$capability = get_option('mxchat_hybrid_keyword_capability', ''); |
| 12188 |
if (!in_array($capability, array('fulltext', 'like'), true)) { |
| 12189 |
$capability = MxChat_Utils::mxchat_hybrid_detect_capability(); |
| 12190 |
} |
| 12191 |
|
| 12192 |
$limit = 20; |
| 12193 |
$rows = array(); |
| 12194 |
|
| 12195 |
if ($capability === 'fulltext') { |
| 12196 |
$rows = $wpdb->get_results($wpdb->prepare( |
| 12197 |
"SELECT id, source_url, role_restriction, |
| 12198 |
MATCH(article_content) AGAINST (%s IN NATURAL LANGUAGE MODE) AS kw_score |
| 12199 |
FROM {$system_prompt_table} |
| 12200 |
WHERE MATCH(article_content) AGAINST (%s IN NATURAL LANGUAGE MODE) {$bot_filter} |
| 12201 |
ORDER BY kw_score DESC, id ASC |
| 12202 |
LIMIT %d", |
| 12203 |
$user_query, |
| 12204 |
$user_query, |
| 12205 |
$limit |
| 12206 |
)); |
| 12207 |
} else { |
| 12208 |
// LIKE fallback: length-weighted term scoring. Longer, rarer tokens |
| 12209 |
// (the SKU, the error code) must outrank ubiquitous short words — an |
| 12210 |
// equal-weight score lets "the" + one common word tie with the exact |
| 12211 |
// token and the tie-break pick the wrong row (caught by the 38ffa1 |
| 12212 |
// verification harness). Stopwords are dropped outright. |
| 12213 |
$stopwords = array('the', 'and', 'for', 'you', 'your', 'with', 'this', 'that', 'are', 'was', 'can', 'how', 'what', 'does', 'have', 'has', 'about', 'from', 'not', 'but', 'all', 'any', 'our', 'their'); |
| 12214 |
$terms = preg_split('/[^\p{L}\p{N}_-]+/u', (string) $user_query, -1, PREG_SPLIT_NO_EMPTY); |
| 12215 |
$terms = array_filter($terms, function ($t) use ($stopwords) { |
| 12216 |
return mb_strlen($t) >= 3 && !in_array(mb_strtolower($t), $stopwords, true); |
| 12217 |
}); |
| 12218 |
$terms = array_values(array_unique(array_map('mb_strtolower', $terms))); |
| 12219 |
usort($terms, function ($a, $b) { |
| 12220 |
return mb_strlen($b) <=> mb_strlen($a); |
| 12221 |
}); |
| 12222 |
$terms = array_slice($terms, 0, 5); |
| 12223 |
if (empty($terms)) { |
| 12224 |
return array(); |
| 12225 |
} |
| 12226 |
|
| 12227 |
$score_parts = array(); |
| 12228 |
$where_parts = array(); |
| 12229 |
$like_params = array(); |
| 12230 |
foreach ($terms as $term) { |
| 12231 |
$score_parts[] = '((article_content LIKE %s) * ' . (int) mb_strlen($term) . ')'; |
| 12232 |
$where_parts[] = 'article_content LIKE %s'; |
| 12233 |
$like_params[] = '%' . $wpdb->esc_like($term) . '%'; |
| 12234 |
} |
| 12235 |
$sql = "SELECT id, source_url, role_restriction, (" |
| 12236 |
. implode(' + ', $score_parts) |
| 12237 |
. ") AS kw_score FROM {$system_prompt_table} WHERE (" |
| 12238 |
. implode(' OR ', $where_parts) |
| 12239 |
. ") {$bot_filter} ORDER BY kw_score DESC, id ASC LIMIT %d"; |
| 12240 |
$rows = $wpdb->get_results($wpdb->prepare( |
| 12241 |
$sql, |
| 12242 |
array_merge($like_params, $like_params, array($limit)) |
| 12243 |
)); |
| 12244 |
} |
| 12245 |
|
| 12246 |
$hits = array(); |
| 12247 |
foreach ((array) $rows as $row) { |
| 12248 |
$role_restriction = $row->role_restriction ?? 'public'; |
| 12249 |
if (!$knowledge_manager->mxchat_user_has_content_access($role_restriction)) { |
| 12250 |
continue; |
| 12251 |
} |
| 12252 |
$hits[] = array( |
| 12253 |
'id' => (int) $row->id, |
| 12254 |
'source_url' => $row->source_url ?? '', |
| 12255 |
'role_restriction' => $role_restriction, |
| 12256 |
'has_access' => true, |
| 12257 |
); |
| 12258 |
} |
| 12259 |
return $hits; |
| 12260 |
} |
| 12261 |
|
| 12262 |
private function mxchat_calculate_cosine_similarity($vectorA, $vectorB) { |
| 12263 |
if (!is_array($vectorA) || !is_array($vectorB) || empty($vectorA) || empty($vectorB)) { |
| 12264 |
return 0; |
| 12265 |
} |
| 12266 |
|
| 12267 |
$dotProduct = array_sum(array_map(function ($a, $b) { |
| 12268 |
return $a * $b; |
| 12269 |
}, $vectorA, $vectorB)); |
| 12270 |
$normA = sqrt(array_sum(array_map(function ($a) { |
| 12271 |
return $a * $a; |
| 12272 |
}, $vectorA))); |
| 12273 |
$normB = sqrt(array_sum(array_map(function ($b) { |
| 12274 |
return $b * $b; |
| 12275 |
}, $vectorB))); |
| 12276 |
|
| 12277 |
if ($normA == 0 || $normB == 0) { |
| 12278 |
return 0; |
| 12279 |
} |
| 12280 |
|
| 12281 |
return $dotProduct / ($normA * $normB); |
| 12282 |
} |
| 12283 |
|
| 12284 |
|
| 12285 |
public function mxchat_enqueue_scripts_styles($force = false) { |
| 12286 |
// Idempotency guard (plan-915355): the smart-asset-loading safety net in |
| 12287 |
// render_chatbot_shortcode() may invoke this method a second time (or on |
| 12288 |
// every shortcode render). Run the body at most once per request so the |
| 12289 |
// nonce, dynamic-settings merge, delayed transient write, and wp_footer |
| 12290 |
// loader action never happen twice. |
| 12291 |
static $did_run = false; |
| 12292 |
if ($did_run) { |
| 12293 |
return; |
| 12294 |
} |
| 12295 |
|
| 12296 |
// Smart asset loading gate (plan-915355, opt-in, default OFF — toggle in |
| 12297 |
// MxChat → Settings → Optimization → Script Loading). When enabled and the |
| 12298 |
// shared display decision says the widget won't render on this request, |
| 12299 |
// skip all front-end assets. $force (the shortcode safety net) bypasses |
| 12300 |
// the gate because at that point the widget IS rendering. Note: bail |
| 12301 |
// WITHOUT setting $did_run, so a later forced call can still enqueue. |
| 12302 |
if (!$force |
| 12303 |
&& class_exists('MxChat_Public') |
| 12304 |
&& MxChat_Public::is_smart_asset_loading_enabled() |
| 12305 |
&& !MxChat_Public::should_load_assets()) { |
| 12306 |
return; |
| 12307 |
} |
| 12308 |
|
| 12309 |
$did_run = true; |
| 12310 |
|
| 12311 |
// Fetch options from the database first to check loading strategy |
| 12312 |
$this->options = get_option('mxchat_options'); |
| 12313 |
$loading_strategy = isset($this->options['script_loading_strategy']) ? $this->options['script_loading_strategy'] : 'default'; |
| 12314 |
|
| 12315 |
// Always enqueue CSS immediately |
| 12316 |
wp_enqueue_style( |
| 12317 |
'mxchat-chat-css', |
| 12318 |
plugin_dir_url(__FILE__) . '../css/chat-style.css', |
| 12319 |
array(), |
| 12320 |
MXCHAT_VERSION |
| 12321 |
); |
| 12322 |
|
| 12323 |
// Handle script loading based on strategy |
| 12324 |
if ($loading_strategy === 'default' || $loading_strategy === 'defer') { |
| 12325 |
// Enqueue the script normally |
| 12326 |
wp_enqueue_script( |
| 12327 |
'mxchat-chat-js', |
| 12328 |
plugin_dir_url(__FILE__) . '../js/chat-script.js', |
| 12329 |
array('jquery'), |
| 12330 |
MXCHAT_VERSION, |
| 12331 |
true |
| 12332 |
); |
| 12333 |
|
| 12334 |
// Add defer attribute if strategy is 'defer' |
| 12335 |
if ($loading_strategy === 'defer') { |
| 12336 |
wp_script_add_data('mxchat-chat-js', 'strategy', 'defer'); |
| 12337 |
} |
| 12338 |
} else { |
| 12339 |
// For delay or interaction-based loading, we'll use a custom loader |
| 12340 |
// Don't enqueue the main script - we'll load it dynamically |
| 12341 |
add_action('wp_footer', array($this, 'mxchat_output_delayed_script_loader'), 99); |
| 12342 |
} |
| 12343 |
|
| 12344 |
$prompts_options = get_option('mxchat_prompts_options', array()); |
| 12345 |
|
| 12346 |
// Check if AI theme is active - if so, skip inline colors in JavaScript |
| 12347 |
$theme_options = get_option('mxchat_theme_options', array()); |
| 12348 |
$ai_theme_active = !empty($theme_options['active_ai_theme_css']); |
| 12349 |
$has_bot_theme_assignments = !empty($theme_options['bot_theme_assignments']); |
| 12350 |
$skip_inline_colors = $ai_theme_active || $has_bot_theme_assignments; |
| 12351 |
|
| 12352 |
// Prepare settings for JavaScript |
| 12353 |
$style_settings = array( |
| 12354 |
'ajax_url' => admin_url('admin-ajax.php'), |
| 12355 |
// The chat-send nonce is now fetched per-request from /wp-json/mxchat/v1/nonce |
| 12356 |
// (plan-6a68c9) so it never sits in cached HTML. We still emit a nonce here |
| 12357 |
// as a one-shot fallback for the first interaction on a fresh page load |
| 12358 |
// (so the very first chat-send doesn't need to wait for a REST round-trip), |
| 12359 |
// but the widget refetches before each subsequent send. |
| 12360 |
'nonce' => wp_create_nonce('mxchat_chat_send'), |
| 12361 |
'rest_url' => esc_url_raw(trailingslashit(rest_url('mxchat/v1'))), |
| 12362 |
'contextual_awareness_toggle' => isset($this->options['contextual_awareness_toggle']) ? $this->options['contextual_awareness_toggle'] : 'off', |
| 12363 |
'link_target_toggle' => $this->options['link_target_toggle'] ?? 'off', |
| 12364 |
'complianz_toggle' => isset($this->options['complianz_toggle']) && $this->options['complianz_toggle'] === 'on', |
| 12365 |
'user_message_bg_color' => $this->options['user_message_bg_color'] ?? '#fff', |
| 12366 |
'user_message_font_color' => $this->options['user_message_font_color'] ?? '#212121', |
| 12367 |
'bot_message_bg_color' => $this->options['bot_message_bg_color'] ?? '#212121', |
| 12368 |
'bot_message_font_color' => $this->options['bot_message_font_color'] ?? '#fff', |
| 12369 |
'top_bar_bg_color' => $this->options['top_bar_bg_color'] ?? '#212121', |
| 12370 |
'send_button_font_color' => $this->options['send_button_font_color'] ?? '#212121', |
| 12371 |
'close_button_color' => $this->options['close_button_color'] ?? '#fff', |
| 12372 |
'chatbot_background_color' => $this->options['chatbot_background_color'] ?? '#212121', |
| 12373 |
'chatbot_bg_color' => $this->options['chatbot_bg_color'] ?? '#fff', |
| 12374 |
'icon_color' => $this->options['icon_color'] ?? '#fff', |
| 12375 |
'chat_input_font_color' => $this->options['chat_input_font_color'] ?? '#212121', |
| 12376 |
'chat_persistence_toggle' => $this->options['chat_persistence_toggle'] ?? 'off', |
| 12377 |
'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off', |
| 12378 |
'live_agent_message_bg_color' => $this->options['live_agent_message_bg_color'] ?? '#ffffff', |
| 12379 |
'live_agent_message_font_color' => $this->options['live_agent_message_font_color'] ?? '#333333', |
| 12380 |
'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676', |
| 12381 |
'mode_indicator_font_color' => $this->options['mode_indicator_font_color'] ?? '#ffffff', |
| 12382 |
'toolbar_icon_color' => $this->options['toolbar_icon_color'] ?? '#212121', |
| 12383 |
'use_pinecone' => $prompts_options['mxchat_use_pinecone'] ?? '0', |
| 12384 |
'email_collection_enabled' => $this->options['enable_email_block'] ?? 'off', // FIXED |
| 12385 |
'initial_email_state' => null, // Also fixed this undefined variable |
| 12386 |
'skip_email_check' => true, |
| 12387 |
'pinecone_enabled' => isset($prompts_options['mxchat_use_pinecone']) && $prompts_options['mxchat_use_pinecone'] === '1', |
| 12388 |
'skip_inline_colors' => $skip_inline_colors, |
| 12389 |
'bot_theme_assignments' => $theme_options['bot_theme_assignments'] ?? array(), |
| 12390 |
); |
| 12391 |
|
| 12392 |
// Behavior gates + labels (model, streaming, rate-limit copy, toolbar, |
| 12393 |
// print/transcript, satisfaction rating) come from the shared |
| 12394 |
// dynamic-settings method so this inline payload and the first-open |
| 12395 |
// refresh endpoint can never drift (plan-32db95). |
| 12396 |
$style_settings = array_merge($style_settings, $this->get_dynamic_widget_settings()); |
| 12397 |
|
| 12398 |
// For normal/defer loading, use wp_localize_script. |
| 12399 |
// For delayed loading, nothing is localized or stored here: the delayed |
| 12400 |
// loader (mxchat_output_delayed_script_loader) rebuilds the full settings |
| 12401 |
// array inline from options and never reads any stored copy. |
| 12402 |
if ($loading_strategy === 'default' || $loading_strategy === 'defer') { |
| 12403 |
wp_localize_script('mxchat-chat-js', 'mxchatChat', $style_settings); |
| 12404 |
} else { |
| 12405 |
// Late-render fallback (plan-915355): when the shortcode safety net |
| 12406 |
// forces this method during/after wp_footer (footer widget areas, late |
| 12407 |
// builder regions), the wp_footer:99 loader action registered above may |
| 12408 |
// already be past its slot. Emit the loader inline right now; its |
| 12409 |
// emitted-once guard prevents double output if :99 still fires. |
| 12410 |
if ($force && did_action('wp_footer')) { |
| 12411 |
$this->mxchat_output_delayed_script_loader(); |
| 12412 |
} |
| 12413 |
} |
| 12414 |
} |
| 12415 |
|
| 12416 |
/** |
| 12417 |
* Output the delayed script loader for performance optimization |
| 12418 |
*/ |
| 12419 |
public function mxchat_output_delayed_script_loader() { |
| 12420 |
// Emitted-once guard (plan-915355): this can now be reached both via the |
| 12421 |
// wp_footer:99 action and via the late-render inline fallback in |
| 12422 |
// mxchat_enqueue_scripts_styles(). The loader must print exactly once. |
| 12423 |
static $emitted = false; |
| 12424 |
if ($emitted) { |
| 12425 |
return; |
| 12426 |
} |
| 12427 |
$emitted = true; |
| 12428 |
|
| 12429 |
$this->options = get_option('mxchat_options'); |
| 12430 |
$loading_strategy = isset($this->options['script_loading_strategy']) ? $this->options['script_loading_strategy'] : 'default'; |
| 12431 |
$script_url = plugin_dir_url(__FILE__) . '../js/chat-script.js?ver=' . MXCHAT_VERSION; |
| 12432 |
|
| 12433 |
// Get the stored settings |
| 12434 |
$prompts_options = get_option('mxchat_prompts_options', array()); |
| 12435 |
$theme_options = get_option('mxchat_theme_options', array()); |
| 12436 |
$ai_theme_active = !empty($theme_options['active_ai_theme_css']); |
| 12437 |
$has_bot_theme_assignments = !empty($theme_options['bot_theme_assignments']); |
| 12438 |
$skip_inline_colors = $ai_theme_active || $has_bot_theme_assignments; |
| 12439 |
|
| 12440 |
$style_settings = array( |
| 12441 |
'ajax_url' => admin_url('admin-ajax.php'), |
| 12442 |
// Per-request nonce — see plan-6a68c9; widget fetches via /wp-json/mxchat/v1/nonce |
| 12443 |
// before each send. This inline value is a one-shot fallback for the first interaction. |
| 12444 |
'nonce' => wp_create_nonce('mxchat_chat_send'), |
| 12445 |
'rest_url' => esc_url_raw(trailingslashit(rest_url('mxchat/v1'))), |
| 12446 |
'contextual_awareness_toggle' => isset($this->options['contextual_awareness_toggle']) ? $this->options['contextual_awareness_toggle'] : 'off', |
| 12447 |
'link_target_toggle' => $this->options['link_target_toggle'] ?? 'off', |
| 12448 |
'complianz_toggle' => isset($this->options['complianz_toggle']) && $this->options['complianz_toggle'] === 'on', |
| 12449 |
'user_message_bg_color' => $this->options['user_message_bg_color'] ?? '#fff', |
| 12450 |
'user_message_font_color' => $this->options['user_message_font_color'] ?? '#212121', |
| 12451 |
'bot_message_bg_color' => $this->options['bot_message_bg_color'] ?? '#212121', |
| 12452 |
'bot_message_font_color' => $this->options['bot_message_font_color'] ?? '#fff', |
| 12453 |
'top_bar_bg_color' => $this->options['top_bar_bg_color'] ?? '#212121', |
| 12454 |
'send_button_font_color' => $this->options['send_button_font_color'] ?? '#212121', |
| 12455 |
'close_button_color' => $this->options['close_button_color'] ?? '#fff', |
| 12456 |
'chatbot_background_color' => $this->options['chatbot_background_color'] ?? '#212121', |
| 12457 |
'chatbot_bg_color' => $this->options['chatbot_bg_color'] ?? '#fff', |
| 12458 |
'icon_color' => $this->options['icon_color'] ?? '#fff', |
| 12459 |
'chat_input_font_color' => $this->options['chat_input_font_color'] ?? '#212121', |
| 12460 |
'chat_persistence_toggle' => $this->options['chat_persistence_toggle'] ?? 'off', |
| 12461 |
'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off', |
| 12462 |
'live_agent_message_bg_color' => $this->options['live_agent_message_bg_color'] ?? '#ffffff', |
| 12463 |
'live_agent_message_font_color' => $this->options['live_agent_message_font_color'] ?? '#333333', |
| 12464 |
'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676', |
| 12465 |
'mode_indicator_font_color' => $this->options['mode_indicator_font_color'] ?? '#ffffff', |
| 12466 |
'toolbar_icon_color' => $this->options['toolbar_icon_color'] ?? '#212121', |
| 12467 |
'use_pinecone' => $prompts_options['mxchat_use_pinecone'] ?? '0', |
| 12468 |
'email_collection_enabled' => $this->options['enable_email_block'] ?? 'off', |
| 12469 |
'initial_email_state' => null, |
| 12470 |
'skip_email_check' => true, |
| 12471 |
'pinecone_enabled' => isset($prompts_options['mxchat_use_pinecone']) && $prompts_options['mxchat_use_pinecone'] === '1', |
| 12472 |
'skip_inline_colors' => $skip_inline_colors, |
| 12473 |
'bot_theme_assignments' => $theme_options['bot_theme_assignments'] ?? array(), |
| 12474 |
); |
| 12475 |
|
| 12476 |
// Behavior gates + labels (model, streaming, rate-limit copy, toolbar, |
| 12477 |
// print/transcript, satisfaction rating) come from the shared |
| 12478 |
// dynamic-settings method so this inline payload and the first-open |
| 12479 |
// refresh endpoint can never drift (plan-32db95). |
| 12480 |
$style_settings = array_merge($style_settings, $this->get_dynamic_widget_settings()); |
| 12481 |
|
| 12482 |
// Determine delay time based on strategy |
| 12483 |
$delay_ms = 0; |
| 12484 |
switch ($loading_strategy) { |
| 12485 |
case 'delay_1s': |
| 12486 |
$delay_ms = 1000; |
| 12487 |
break; |
| 12488 |
case 'delay_3s': |
| 12489 |
$delay_ms = 3000; |
| 12490 |
break; |
| 12491 |
case 'delay_5s': |
| 12492 |
$delay_ms = 5000; |
| 12493 |
break; |
| 12494 |
} |
| 12495 |
|
| 12496 |
?> |
| 12497 |
<script type="text/javascript"> |
| 12498 |
(function() { |
| 12499 |
var mxchatLoaded = false; |
| 12500 |
var mxchatChat = <?php echo wp_json_encode($style_settings); ?>; |
| 12501 |
window.mxchatChat = mxchatChat; |
| 12502 |
|
| 12503 |
function loadMxChatScript() { |
| 12504 |
if (mxchatLoaded) return; |
| 12505 |
mxchatLoaded = true; |
| 12506 |
|
| 12507 |
function appendChatScript() { |
| 12508 |
var script = document.createElement('script'); |
| 12509 |
script.src = <?php echo wp_json_encode($script_url); ?>; |
| 12510 |
script.type = 'text/javascript'; |
| 12511 |
document.body.appendChild(script); |
| 12512 |
} |
| 12513 |
|
| 12514 |
if (typeof jQuery !== 'undefined') { |
| 12515 |
appendChatScript(); |
| 12516 |
} else { |
| 12517 |
var jq = document.createElement('script'); |
| 12518 |
jq.src = <?php echo wp_json_encode(includes_url('js/jquery/jquery.min.js')); ?>; |
| 12519 |
jq.onload = appendChatScript; |
| 12520 |
document.body.appendChild(jq); |
| 12521 |
} |
| 12522 |
} |
| 12523 |
|
| 12524 |
<?php if ($loading_strategy === 'on_interaction'): ?> |
| 12525 |
// Load on user interaction |
| 12526 |
var events = ['scroll', 'mousemove', 'touchstart', 'keydown', 'click']; |
| 12527 |
events.forEach(function(evt) { |
| 12528 |
window.addEventListener(evt, loadMxChatScript, {once: true, passive: true}); |
| 12529 |
}); |
| 12530 |
// Fallback: load after 8 seconds if no interaction |
| 12531 |
setTimeout(loadMxChatScript, 8000); |
| 12532 |
<?php else: ?> |
| 12533 |
// Load after specified delay |
| 12534 |
setTimeout(loadMxChatScript, <?php echo intval($delay_ms); ?>); |
| 12535 |
<?php endif; ?> |
| 12536 |
})(); |
| 12537 |
</script> |
| 12538 |
<?php |
| 12539 |
} |
| 12540 |
|
| 12541 |
/** |
| 12542 |
* Setup the cron jobs for rate limits with guard against multiple calls |
| 12543 |
*/ |
| 12544 |
public function setup_rate_limit_cron_jobs() { |
| 12545 |
// Add a guard to prevent multiple rapid calls |
| 12546 |
$last_setup = get_transient('mxchat_cron_setup_guard'); |
| 12547 |
if ($last_setup && (time() - $last_setup) < 60) { |
| 12548 |
// Don't run again if we ran less than 60 seconds ago |
| 12549 |
return; |
| 12550 |
} |
| 12551 |
|
| 12552 |
// Set the guard |
| 12553 |
set_transient('mxchat_cron_setup_guard', time(), 300); // 5 minutes |
| 12554 |
|
| 12555 |
try { |
| 12556 |
// First, check if WordPress cron is disabled |
| 12557 |
if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) { |
| 12558 |
//error_log('MxChat: WordPress cron is disabled (DISABLE_WP_CRON = true), using fallback system'); |
| 12559 |
$this->setup_fallback_rate_limit_system(); |
| 12560 |
return; |
| 12561 |
} |
| 12562 |
|
| 12563 |
// Check if cron is already scheduled - if so, don't mess with it |
| 12564 |
if (wp_next_scheduled('mxchat_reset_rate_limits')) { |
| 12565 |
//error_log('MxChat: Rate limit cron already scheduled, skipping setup'); |
| 12566 |
return; |
| 12567 |
} |
| 12568 |
|
| 12569 |
// Clear any orphaned hooks (but don't loop indefinitely) |
| 12570 |
$hooks_to_clear = [ |
| 12571 |
'mxchat_reset_rate_limits', |
| 12572 |
'mxchat_reset_hourly_rate_limits', |
| 12573 |
'mxchat_reset_daily_rate_limits', |
| 12574 |
'mxchat_reset_weekly_rate_limits', |
| 12575 |
'mxchat_reset_monthly_rate_limits' |
| 12576 |
]; |
| 12577 |
|
| 12578 |
foreach ($hooks_to_clear as $hook) { |
| 12579 |
// Only clear a maximum of 3 instances to prevent infinite loops |
| 12580 |
$cleared = 0; |
| 12581 |
while (wp_next_scheduled($hook) && $cleared < 3) { |
| 12582 |
wp_clear_scheduled_hook($hook); |
| 12583 |
$cleared++; |
| 12584 |
} |
| 12585 |
} |
| 12586 |
|
| 12587 |
// Small delay after clearing |
| 12588 |
usleep(100000); // 0.1 seconds |
| 12589 |
|
| 12590 |
// Try to schedule the event |
| 12591 |
$initial_time = time() + 300; // Start in 5 minutes |
| 12592 |
$result = wp_schedule_event($initial_time, 'hourly', 'mxchat_reset_rate_limits'); |
| 12593 |
|
| 12594 |
if ($result === false) { |
| 12595 |
//error_log('MxChat: Failed to schedule cron, using fallback system'); |
| 12596 |
$this->setup_fallback_rate_limit_system(); |
| 12597 |
} else { |
| 12598 |
if (defined('MXCHAT_DEV_MODE') && MXCHAT_DEV_MODE) { |
| 12599 |
error_log('MxChat: rate-limit reset cron event was missing and has been re-scheduled'); |
| 12600 |
} |
| 12601 |
} |
| 12602 |
|
| 12603 |
} catch (Exception $e) { |
| 12604 |
//error_log('MxChat: Cron setup exception: ' . $e->getMessage()); |
| 12605 |
$this->setup_fallback_rate_limit_system(); |
| 12606 |
} |
| 12607 |
} |
| 12608 |
|
| 12609 |
/** |
| 12610 |
* Try alternative cron scheduling methods |
| 12611 |
*/ |
| 12612 |
private function try_alternative_cron_scheduling($initial_time) { |
| 12613 |
try { |
| 12614 |
// Method 1: Try with current time instead of future time |
| 12615 |
$result1 = wp_schedule_event(time(), 'hourly', 'mxchat_reset_rate_limits'); |
| 12616 |
if ($result1 !== false) { |
| 12617 |
//error_log('MxChat: Alternative method 1 (current time) succeeded'); |
| 12618 |
return true; |
| 12619 |
} |
| 12620 |
|
| 12621 |
// Method 2: Try with a different interval |
| 12622 |
$result2 = wp_schedule_event($initial_time, 'daily', 'mxchat_reset_rate_limits'); |
| 12623 |
if ($result2 !== false) { |
| 12624 |
//error_log('MxChat: Alternative method 2 (daily interval) succeeded'); |
| 12625 |
return true; |
| 12626 |
} |
| 12627 |
|
| 12628 |
// Method 3: Try wp_schedule_single_event first, then recurring |
| 12629 |
$result3 = wp_schedule_single_event($initial_time, 'mxchat_reset_rate_limits'); |
| 12630 |
if ($result3 !== false) { |
| 12631 |
//error_log('MxChat: Alternative method 3 (single event) succeeded'); |
| 12632 |
// Schedule the next one manually in the handler |
| 12633 |
return true; |
| 12634 |
} |
| 12635 |
|
| 12636 |
return false; |
| 12637 |
|
| 12638 |
} catch (Exception $e) { |
| 12639 |
//error_log('MxChat: Alternative cron scheduling exception: ' . $e->getMessage()); |
| 12640 |
return false; |
| 12641 |
} |
| 12642 |
} |
| 12643 |
|
| 12644 |
/** |
| 12645 |
* Enhanced fallback rate limit system |
| 12646 |
*/ |
| 12647 |
private function setup_fallback_rate_limit_system() { |
| 12648 |
// Idempotence matters here: with setup_rate_limit_cron_jobs() hooked to |
| 12649 |
// admin_init, a DISABLE_WP_CRON site reaches this on every guard pass. |
| 12650 |
// Unconditionally rewriting mxchat_next_rate_limit_check to now+3600 would |
| 12651 |
// slide the deadline forward forever and the fallback reset would never |
| 12652 |
// fire. Only initialize the deadline on a genuine transition into fallback |
| 12653 |
// mode (or if it's somehow missing). |
| 12654 |
$already_active = get_option('mxchat_use_fallback_rate_limits', false); |
| 12655 |
|
| 12656 |
// Set a flag to use database-based rate limit cleanup |
| 12657 |
update_option('mxchat_use_fallback_rate_limits', true); |
| 12658 |
|
| 12659 |
// Schedule a one-time check to happen on the next plugin load |
| 12660 |
if (!$already_active || !get_option('mxchat_next_rate_limit_check', 0)) { |
| 12661 |
update_option('mxchat_next_rate_limit_check', time() + 3600); |
| 12662 |
} |
| 12663 |
|
| 12664 |
// Also set up a more frequent fallback check (every 4 hours) |
| 12665 |
update_option('mxchat_fallback_check_interval', 4 * 3600); |
| 12666 |
|
| 12667 |
//error_log('MxChat: Fallback rate limit system activated'); |
| 12668 |
} |
| 12669 |
|
| 12670 |
/** |
| 12671 |
* Enhanced fallback check method |
| 12672 |
* NOTE: mxchat_check_fallback_rate_limits() in mxchat-basic.php is a second |
| 12673 |
* implementation of this same check — if either changes, change both. |
| 12674 |
*/ |
| 12675 |
public function check_fallback_rate_limits() { |
| 12676 |
$use_fallback = get_option('mxchat_use_fallback_rate_limits', false); |
| 12677 |
|
| 12678 |
if (!$use_fallback) { |
| 12679 |
return; // Regular cron is working |
| 12680 |
} |
| 12681 |
|
| 12682 |
$next_check = get_option('mxchat_next_rate_limit_check', 0); |
| 12683 |
$check_interval = get_option('mxchat_fallback_check_interval', 3600); |
| 12684 |
|
| 12685 |
if (time() >= $next_check) { |
| 12686 |
//error_log('MxChat: Running fallback rate limit cleanup'); |
| 12687 |
$this->mxchat_reset_rate_limits(); |
| 12688 |
|
| 12689 |
// Schedule next check |
| 12690 |
update_option('mxchat_next_rate_limit_check', time() + $check_interval); |
| 12691 |
} |
| 12692 |
} |
| 12693 |
/** |
| 12694 |
* Enhanced rate limit check that includes fallback cleanup and bot-specific rate limits |
| 12695 |
*/ |
| 12696 |
public function check_rate_limit() { |
| 12697 |
// Check if we need to run fallback cleanup |
| 12698 |
$use_fallback = get_option('mxchat_use_fallback_rate_limits', false); |
| 12699 |
$next_check = get_option('mxchat_next_rate_limit_check', 0); |
| 12700 |
|
| 12701 |
if ($use_fallback && time() >= $next_check) { |
| 12702 |
$this->mxchat_reset_rate_limits(); |
| 12703 |
update_option('mxchat_next_rate_limit_check', time() + 3600); // Next hour |
| 12704 |
} |
| 12705 |
|
| 12706 |
// Get bot ID from current request context |
| 12707 |
$bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default'; |
| 12708 |
|
| 12709 |
// Get bot-specific options (includes rate limits if overridden) |
| 12710 |
$bot_options = $this->get_bot_options($bot_id); |
| 12711 |
$current_options = !empty($bot_options) ? $bot_options : $this->options; |
| 12712 |
|
| 12713 |
// Use bot-specific rate limits if available, otherwise fall back to default |
| 12714 |
$rate_limits_source = isset($current_options['rate_limits']) ? $current_options['rate_limits'] : get_option('mxchat_options', [])['rate_limits'] ?? []; |
| 12715 |
|
| 12716 |
// ------------------------------------------------------------------- |
| 12717 |
// Whole-chatbot global cap (independent of role). Evaluated FIRST so |
| 12718 |
// it acts as a hard ceiling across all users + all roles. Default is |
| 12719 |
// 'unlimited' so existing installs are unchanged. Counter key drops |
| 12720 |
// both <role> and <user_id> segments — single pool per bot. |
| 12721 |
// ------------------------------------------------------------------- |
| 12722 |
$global_cfg = isset($current_options['rate_limits_global']) && is_array($current_options['rate_limits_global']) |
| 12723 |
? $current_options['rate_limits_global'] |
| 12724 |
: (isset(get_option('mxchat_options', [])['rate_limits_global']) ? get_option('mxchat_options', [])['rate_limits_global'] : []); |
| 12725 |
$global_limit_raw = isset($global_cfg['limit']) ? (string) $global_cfg['limit'] : 'unlimited'; |
| 12726 |
$global_timeframe = isset($global_cfg['timeframe']) ? (string) $global_cfg['timeframe'] : 'daily'; |
| 12727 |
if ($global_limit_raw !== '' && $global_limit_raw !== 'unlimited' && (int) $global_limit_raw >= 1) { |
| 12728 |
$bot_id_for_global = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default'; |
| 12729 |
$safe_bot_global = preg_replace('/[^a-zA-Z0-9_]/', '_', $bot_id_for_global); |
| 12730 |
$global_option = 'mxchat_chat_limit_' . $safe_bot_global . '_global'; |
| 12731 |
$global_data = get_option($global_option, ['count' => 0, 'timestamp' => time()]); |
| 12732 |
if ((int) $global_data['count'] === 0) { |
| 12733 |
$global_data['timestamp'] = time(); |
| 12734 |
update_option($global_option, $global_data); |
| 12735 |
} |
| 12736 |
$now = time(); |
| 12737 |
$ts = (int) $global_data['timestamp']; |
| 12738 |
$reset = false; |
| 12739 |
switch ($global_timeframe) { |
| 12740 |
case 'hourly': $reset = ($now - $ts) >= 3600; break; |
| 12741 |
case 'daily': $reset = ($now - $ts) >= 86400; break; |
| 12742 |
case 'weekly': $reset = ($now - $ts) >= 604800; break; |
| 12743 |
case 'monthly': $reset = ($now - $ts) >= 2592000; break; |
| 12744 |
} |
| 12745 |
if ($reset) { |
| 12746 |
$global_data = ['count' => 0, 'timestamp' => $now]; |
| 12747 |
update_option($global_option, $global_data); |
| 12748 |
} |
| 12749 |
if ((int) $global_data['count'] >= (int) $global_limit_raw) { |
| 12750 |
$global_msg = !empty($global_cfg['message']) |
| 12751 |
? $global_cfg['message'] |
| 12752 |
: __('This chatbot has reached its message limit. Please try again later.', 'mxchat'); |
| 12753 |
return [ |
| 12754 |
'error' => true, |
| 12755 |
'message' => $this->process_rate_limit_message_html($global_msg), |
| 12756 |
]; |
| 12757 |
} |
| 12758 |
// Reserve the slot for this request. Per-role check below also increments |
| 12759 |
// its own counter — that is intentional, both ceilings apply independently. |
| 12760 |
$global_data['count']++; |
| 12761 |
update_option($global_option, $global_data); |
| 12762 |
} |
| 12763 |
|
| 12764 |
// Determine user role or if logged out |
| 12765 |
if (is_user_logged_in()) { |
| 12766 |
$user = wp_get_current_user(); |
| 12767 |
$user_id = $user->ID; |
| 12768 |
|
| 12769 |
// Get the user's primary role using reset() to safely get the first element |
| 12770 |
$user_roles = $user->roles; |
| 12771 |
|
| 12772 |
// Safely get the first role regardless of array key structure |
| 12773 |
if (!empty($user_roles) && is_array($user_roles)) { |
| 12774 |
$role = reset($user_roles); // This safely gets the first element regardless of key |
| 12775 |
} else { |
| 12776 |
$role = 'subscriber'; // Default to subscriber if no role found |
| 12777 |
} |
| 12778 |
} else { |
| 12779 |
$role = 'logged_out'; |
| 12780 |
// Use IP address for non-logged-in users |
| 12781 |
$user_id = $this->get_client_ip(); |
| 12782 |
} |
| 12783 |
|
| 12784 |
// Check if rate limits are configured for this role |
| 12785 |
if (!isset($rate_limits_source[$role])) { |
| 12786 |
return true; // No limit set for this role |
| 12787 |
} |
| 12788 |
|
| 12789 |
$limit = $rate_limits_source[$role]['limit']; |
| 12790 |
|
| 12791 |
// If unlimited, return true immediately |
| 12792 |
if ($limit === 'unlimited') { |
| 12793 |
return true; |
| 12794 |
} |
| 12795 |
|
| 12796 |
// Get the option name for this user/role with safer naming (include bot_id for bot-specific limits) |
| 12797 |
$safe_role = preg_replace('/[^a-zA-Z0-9_]/', '_', $role); |
| 12798 |
$safe_user_id = preg_replace('/[^a-zA-Z0-9_]/', '_', $user_id); |
| 12799 |
$safe_bot_id = preg_replace('/[^a-zA-Z0-9_]/', '_', $bot_id); |
| 12800 |
|
| 12801 |
// Include bot_id in option name so each bot has separate rate limits |
| 12802 |
$option_name = 'mxchat_chat_limit_' . $safe_bot_id . '_' . $safe_role . '_' . $safe_user_id; |
| 12803 |
|
| 12804 |
// Get the counter data |
| 12805 |
$limit_data = get_option($option_name, ['count' => 0, 'timestamp' => time()]); |
| 12806 |
|
| 12807 |
// If first request or counter reset needed, set the initial timestamp |
| 12808 |
if ($limit_data['count'] === 0) { |
| 12809 |
$limit_data['timestamp'] = time(); |
| 12810 |
update_option($option_name, $limit_data); |
| 12811 |
} |
| 12812 |
|
| 12813 |
// Get the timeframe |
| 12814 |
$timeframe = isset($rate_limits_source[$role]['timeframe']) ? |
| 12815 |
$rate_limits_source[$role]['timeframe'] : 'daily'; |
| 12816 |
|
| 12817 |
// Check if the counter needs to be reset based on timeframe |
| 12818 |
$current_time = time(); |
| 12819 |
$timestamp = $limit_data['timestamp']; |
| 12820 |
$should_reset = false; |
| 12821 |
|
| 12822 |
switch ($timeframe) { |
| 12823 |
case 'hourly': |
| 12824 |
$should_reset = ($current_time - $timestamp) >= 3600; // 1 hour |
| 12825 |
break; |
| 12826 |
case 'daily': |
| 12827 |
$should_reset = ($current_time - $timestamp) >= 86400; // 24 hours |
| 12828 |
break; |
| 12829 |
case 'weekly': |
| 12830 |
$should_reset = ($current_time - $timestamp) >= 604800; // 7 days |
| 12831 |
break; |
| 12832 |
case 'monthly': |
| 12833 |
$should_reset = ($current_time - $timestamp) >= 2592000; // 30 days |
| 12834 |
break; |
| 12835 |
} |
| 12836 |
|
| 12837 |
// Reset the counter if the timeframe has passed |
| 12838 |
if ($should_reset) { |
| 12839 |
$limit_data = ['count' => 0, 'timestamp' => $current_time]; |
| 12840 |
update_option($option_name, $limit_data); |
| 12841 |
} |
| 12842 |
|
| 12843 |
// Check if user has exceeded their limit |
| 12844 |
if ($limit_data['count'] >= intval($limit)) { |
| 12845 |
// Get the custom message for this role |
| 12846 |
$message = !empty($rate_limits_source[$role]['message']) |
| 12847 |
? $rate_limits_source[$role]['message'] |
| 12848 |
: __('Rate limit exceeded. Please try again later.', 'mxchat'); |
| 12849 |
|
| 12850 |
// Add timeframe information to the message if placeholders exist |
| 12851 |
$timeframe_label = ''; |
| 12852 |
switch ($timeframe) { |
| 12853 |
case 'hourly': |
| 12854 |
$timeframe_label = __('hour', 'mxchat'); |
| 12855 |
break; |
| 12856 |
case 'daily': |
| 12857 |
$timeframe_label = __('day', 'mxchat'); |
| 12858 |
break; |
| 12859 |
case 'weekly': |
| 12860 |
$timeframe_label = __('week', 'mxchat'); |
| 12861 |
break; |
| 12862 |
case 'monthly': |
| 12863 |
$timeframe_label = __('month', 'mxchat'); |
| 12864 |
break; |
| 12865 |
} |
| 12866 |
|
| 12867 |
// Replace placeholders in the message |
| 12868 |
$message = str_replace( |
| 12869 |
['{limit}', '{count}', '{remaining}', '{timeframe}'], |
| 12870 |
[intval($limit), $limit_data['count'], max(0, intval($limit) - $limit_data['count']), $timeframe_label], |
| 12871 |
$message |
| 12872 |
); |
| 12873 |
|
| 12874 |
// Process HTML links in the message |
| 12875 |
$message = $this->process_rate_limit_message_html($message); |
| 12876 |
|
| 12877 |
// Return error with the processed message |
| 12878 |
return [ |
| 12879 |
'error' => true, |
| 12880 |
'message' => $message |
| 12881 |
]; |
| 12882 |
} |
| 12883 |
|
| 12884 |
// Increment the counter |
| 12885 |
$limit_data['count']++; |
| 12886 |
update_option($option_name, $limit_data); |
| 12887 |
|
| 12888 |
return true; |
| 12889 |
} |
| 12890 |
|
| 12891 |
/** |
| 12892 |
* Enhanced rate limit reset with better error handling |
| 12893 |
*/ |
| 12894 |
public function mxchat_reset_rate_limits() { |
| 12895 |
try { |
| 12896 |
global $wpdb; |
| 12897 |
$all_options = get_option('mxchat_options', []); |
| 12898 |
$current_time = time(); |
| 12899 |
|
| 12900 |
// Get rate limit options with a safer query and limit |
| 12901 |
$option_names = $wpdb->get_col( |
| 12902 |
$wpdb->prepare( |
| 12903 |
"SELECT option_name FROM {$wpdb->options} |
| 12904 |
WHERE option_name LIKE %s |
| 12905 |
LIMIT 1000", |
| 12906 |
'mxchat_chat_limit_%' |
| 12907 |
) |
| 12908 |
); |
| 12909 |
|
| 12910 |
if (empty($option_names)) { |
| 12911 |
return; |
| 12912 |
} |
| 12913 |
|
| 12914 |
$processed_count = 0; |
| 12915 |
$max_processing_time = 30; // Maximum 30 seconds |
| 12916 |
$start_time = time(); |
| 12917 |
|
| 12918 |
foreach ($option_names as $option_name) { |
| 12919 |
// Check processing time limit |
| 12920 |
if ((time() - $start_time) > $max_processing_time) { |
| 12921 |
//error_log('MxChat: Rate limit reset timeout after processing ' . $processed_count . ' entries'); |
| 12922 |
break; |
| 12923 |
} |
| 12924 |
|
| 12925 |
// Parse the option name more safely |
| 12926 |
if (!preg_match('/^mxchat_chat_limit_(.+)_(.+)$/', $option_name, $matches)) { |
| 12927 |
continue; |
| 12928 |
} |
| 12929 |
|
| 12930 |
$role_and_user = $matches[1] . '_' . $matches[2]; |
| 12931 |
$parts = explode('_', $role_and_user); |
| 12932 |
|
| 12933 |
if (count($parts) < 2) { |
| 12934 |
continue; |
| 12935 |
} |
| 12936 |
|
| 12937 |
// Extract role (everything except the last part which is user ID) |
| 12938 |
$user_id_part = array_pop($parts); |
| 12939 |
$role = implode('_', $parts); |
| 12940 |
|
| 12941 |
// Skip if role doesn't exist in our settings |
| 12942 |
if (!isset($all_options['rate_limits'][$role])) { |
| 12943 |
// Clean up orphaned entries |
| 12944 |
delete_option($option_name); |
| 12945 |
continue; |
| 12946 |
} |
| 12947 |
|
| 12948 |
$timeframe = $all_options['rate_limits'][$role]['timeframe'] ?? 'daily'; |
| 12949 |
$limit_data = get_option($option_name); |
| 12950 |
|
| 12951 |
if (!$limit_data || !is_array($limit_data) || !isset($limit_data['timestamp'])) { |
| 12952 |
// Clean up invalid entries |
| 12953 |
delete_option($option_name); |
| 12954 |
continue; |
| 12955 |
} |
| 12956 |
|
| 12957 |
$timestamp = $limit_data['timestamp']; |
| 12958 |
$should_reset = false; |
| 12959 |
|
| 12960 |
// Determine if we should reset based on the timeframe |
| 12961 |
switch ($timeframe) { |
| 12962 |
case 'hourly': |
| 12963 |
$should_reset = ($current_time - $timestamp) >= 3600; |
| 12964 |
break; |
| 12965 |
case 'daily': |
| 12966 |
$should_reset = ($current_time - $timestamp) >= 86400; |
| 12967 |
break; |
| 12968 |
case 'weekly': |
| 12969 |
$should_reset = ($current_time - $timestamp) >= 604800; |
| 12970 |
break; |
| 12971 |
case 'monthly': |
| 12972 |
$should_reset = ($current_time - $timestamp) >= 2592000; |
| 12973 |
break; |
| 12974 |
} |
| 12975 |
|
| 12976 |
// Reset the counter if the timeframe has passed |
| 12977 |
if ($should_reset) { |
| 12978 |
delete_option($option_name); |
| 12979 |
wp_cache_delete($option_name, 'options'); |
| 12980 |
$processed_count++; |
| 12981 |
} |
| 12982 |
} |
| 12983 |
|
| 12984 |
// Clean up any orphaned cache entries |
| 12985 |
wp_cache_delete('mxchat_all_chat_limits', 'options'); |
| 12986 |
|
| 12987 |
//error_log("MxChat: Rate limit reset completed. Processed {$processed_count} entries."); |
| 12988 |
|
| 12989 |
} catch (Exception $e) { |
| 12990 |
//error_log('MxChat: Rate limit reset error: ' . $e->getMessage()); |
| 12991 |
} |
| 12992 |
} |
| 12993 |
|
| 12994 |
|
| 12995 |
/** |
| 12996 |
* Process HTML links in rate limit messages |
| 12997 |
* |
| 12998 |
* @param string $message The rate limit message |
| 12999 |
* @return string The processed message with safe HTML links |
| 13000 |
*/ |
| 13001 |
private function process_rate_limit_message_html($message) { |
| 13002 |
// Return original message if empty |
| 13003 |
if (empty($message)) { |
| 13004 |
return $message; |
| 13005 |
} |
| 13006 |
|
| 13007 |
// First, convert markdown links to HTML |
| 13008 |
$message = $this->convert_markdown_links($message); |
| 13009 |
|
| 13010 |
// Then, auto-convert any remaining plain URLs to links |
| 13011 |
$message = $this->auto_link_urls($message); |
| 13012 |
|
| 13013 |
// Allow basic HTML tags for links and formatting |
| 13014 |
$allowed_tags = [ |
| 13015 |
'a' => [ |
| 13016 |
'href' => true, |
| 13017 |
'target' => true, |
| 13018 |
'rel' => true, |
| 13019 |
'title' => true, |
| 13020 |
'class' => true |
| 13021 |
], |
| 13022 |
'strong' => [], |
| 13023 |
'em' => [], |
| 13024 |
'br' => [], |
| 13025 |
'b' => [], |
| 13026 |
'i' => [], |
| 13027 |
'span' => ['class' => true] |
| 13028 |
]; |
| 13029 |
|
| 13030 |
// Sanitize but allow the specified HTML tags |
| 13031 |
$processed_message = wp_kses($message, $allowed_tags); |
| 13032 |
|
| 13033 |
// If wp_kses stripped everything, return the original message as plain text |
| 13034 |
if (empty($processed_message) && !empty($message)) { |
| 13035 |
// Strip all HTML and return plain text as fallback |
| 13036 |
return wp_strip_all_tags($message); |
| 13037 |
} |
| 13038 |
|
| 13039 |
return $processed_message; |
| 13040 |
} |
| 13041 |
|
| 13042 |
/** |
| 13043 |
* Convert markdown links to HTML |
| 13044 |
* |
| 13045 |
* @param string $text The text to process |
| 13046 |
* @return string The text with markdown links converted to HTML |
| 13047 |
*/ |
| 13048 |
private function convert_markdown_links($text) { |
| 13049 |
// Return original text if empty |
| 13050 |
if (empty($text)) { |
| 13051 |
return $text; |
| 13052 |
} |
| 13053 |
|
| 13054 |
// Pattern to match markdown links: [text](url) |
| 13055 |
$pattern = '/\[([^\]]+)\]\(([^)]+)\)/'; |
| 13056 |
|
| 13057 |
$processed_text = preg_replace_callback($pattern, function($matches) { |
| 13058 |
$link_text = $matches[1]; |
| 13059 |
$url = $matches[2]; |
| 13060 |
|
| 13061 |
// Clean up any trailing punctuation from the URL |
| 13062 |
$url = rtrim($url, '.,;:!?'); |
| 13063 |
|
| 13064 |
// Sanitize the link text and URL |
| 13065 |
$safe_text = esc_html($link_text); |
| 13066 |
$safe_url = esc_url($url); |
| 13067 |
|
| 13068 |
// Create the HTML link |
| 13069 |
return '<a href="' . $safe_url . '" target="_blank" rel="noopener noreferrer">' . $safe_text . '</a>'; |
| 13070 |
}, $text); |
| 13071 |
|
| 13072 |
// If preg_replace_callback failed, return original text |
| 13073 |
if ($processed_text === null) { |
| 13074 |
return $text; |
| 13075 |
} |
| 13076 |
|
| 13077 |
return $processed_text; |
| 13078 |
} |
| 13079 |
|
| 13080 |
/** |
| 13081 |
* Auto-convert plain URLs to clickable links |
| 13082 |
* |
| 13083 |
* @param string $text The text to process |
| 13084 |
* @return string The text with URLs converted to links |
| 13085 |
*/ |
| 13086 |
private function auto_link_urls($text) { |
| 13087 |
// Return original text if empty |
| 13088 |
if (empty($text)) { |
| 13089 |
return $text; |
| 13090 |
} |
| 13091 |
|
| 13092 |
// Simple pattern that avoids complex lookbehinds |
| 13093 |
// This will match URLs that are not already inside href attributes or markdown links |
| 13094 |
$pattern = '/(?<!href=["\'])(?<!\]\()https?:\/\/[^\s<>"\')\]]+/i'; |
| 13095 |
|
| 13096 |
$processed_text = preg_replace_callback($pattern, function($matches) { |
| 13097 |
$url = $matches[0]; |
| 13098 |
// Clean up any trailing punctuation that might have been captured |
| 13099 |
$url = rtrim($url, '.,;:!?'); |
| 13100 |
|
| 13101 |
// Add target="_blank" and rel="noopener noreferrer" for security |
| 13102 |
return '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($url) . '</a>'; |
| 13103 |
}, $text); |
| 13104 |
|
| 13105 |
// If preg_replace_callback failed, return original text |
| 13106 |
if ($processed_text === null) { |
| 13107 |
return $text; |
| 13108 |
} |
| 13109 |
|
| 13110 |
return $processed_text; |
| 13111 |
} |
| 13112 |
|
| 13113 |
|
| 13114 |
// Helper function to get client IP address |
| 13115 |
private function get_client_ip() { |
| 13116 |
// Check for shared internet/ISP IP |
| 13117 |
if (!empty($_SERVER['HTTP_CLIENT_IP'])) { |
| 13118 |
return sanitize_text_field($_SERVER['HTTP_CLIENT_IP']); |
| 13119 |
} |
| 13120 |
|
| 13121 |
// Check for IPs passing through proxies |
| 13122 |
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { |
| 13123 |
// Use the first value in the comma-separated list |
| 13124 |
$forwarded_for = explode(',', sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR'])); |
| 13125 |
return trim($forwarded_for[0]); |
| 13126 |
} |
| 13127 |
|
| 13128 |
if (!empty($_SERVER['REMOTE_ADDR'])) { |
| 13129 |
return sanitize_text_field($_SERVER['REMOTE_ADDR']); |
| 13130 |
} |
| 13131 |
|
| 13132 |
// Fallback |
| 13133 |
return 'unknown'; |
| 13134 |
} |
| 13135 |
|
| 13136 |
/** |
| 13137 |
* AJAX handler to get system information for testing panel |
| 13138 |
*/ |
| 13139 |
/** |
| 13140 |
* AJAX handler to get system information for testing panel |
| 13141 |
*/ |
| 13142 |
public function mxchat_get_system_info() { |
| 13143 |
// Verify nonce for security |
| 13144 |
if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) { |
| 13145 |
wp_send_json_error(['message' => 'Invalid nonce']); |
| 13146 |
return; |
| 13147 |
} |
| 13148 |
|
| 13149 |
// Only allow admin users |
| 13150 |
if (!current_user_can('administrator')) { |
| 13151 |
wp_send_json_error(['message' => 'Unauthorized']); |
| 13152 |
return; |
| 13153 |
} |
| 13154 |
|
| 13155 |
// Get system prompt from options |
| 13156 |
$system_prompt = isset($this->options['system_prompt_instructions']) |
| 13157 |
? $this->options['system_prompt_instructions'] |
| 13158 |
: 'No system prompt configured'; |
| 13159 |
|
| 13160 |
// Get selected model |
| 13161 |
$selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-5.6-sol'; |
| 13162 |
|
| 13163 |
// Check if OpenRouter is being used |
| 13164 |
$is_openrouter = ($selected_model === 'openrouter'); |
| 13165 |
$openrouter_model = ''; |
| 13166 |
|
| 13167 |
if ($is_openrouter) { |
| 13168 |
// Get the actual OpenRouter model that's selected |
| 13169 |
$openrouter_model = isset($this->options['openrouter_selected_model']) |
| 13170 |
? $this->options['openrouter_selected_model'] |
| 13171 |
: 'No OpenRouter model selected'; |
| 13172 |
|
| 13173 |
// Update selected_model display to show both |
| 13174 |
$selected_model = 'OpenRouter: ' . $openrouter_model; |
| 13175 |
} |
| 13176 |
|
| 13177 |
// Get API key status (just check if they exist, don't expose the keys) |
| 13178 |
$api_status = []; |
| 13179 |
$api_status['openai'] = !empty($this->options['api_key']); |
| 13180 |
$api_status['claude'] = !empty($this->options['claude_api_key']); |
| 13181 |
$api_status['gemini'] = !empty($this->options['gemini_api_key']); |
| 13182 |
$api_status['xai'] = !empty($this->options['xai_api_key']); |
| 13183 |
$api_status['deepseek'] = !empty($this->options['deepseek_api_key']); |
| 13184 |
$api_status['openrouter'] = !empty($this->options['openrouter_api_key']); |
| 13185 |
|
| 13186 |
wp_send_json_success([ |
| 13187 |
'system_prompt' => $system_prompt, |
| 13188 |
'selected_model' => $selected_model, |
| 13189 |
'is_openrouter' => $is_openrouter, |
| 13190 |
'openrouter_model' => $openrouter_model, |
| 13191 |
'api_status' => $api_status |
| 13192 |
]); |
| 13193 |
} |
| 13194 |
|
| 13195 |
/** |
| 13196 |
* AJAX handler to get similarity threshold |
| 13197 |
*/ |
| 13198 |
public function mxchat_get_similarity_threshold() { |
| 13199 |
// Verify nonce for security |
| 13200 |
if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) { |
| 13201 |
wp_send_json_error(['message' => 'Invalid nonce']); |
| 13202 |
return; |
| 13203 |
} |
| 13204 |
|
| 13205 |
// Only allow admin users |
| 13206 |
if (!current_user_can('administrator')) { |
| 13207 |
wp_send_json_error(['message' => 'Unauthorized']); |
| 13208 |
return; |
| 13209 |
} |
| 13210 |
|
| 13211 |
// Get similarity threshold from main options (default 35%) |
| 13212 |
$similarity_threshold = isset($this->options['similarity_threshold']) |
| 13213 |
? ((int) $this->options['similarity_threshold']) / 100 |
| 13214 |
: 0.35; |
| 13215 |
|
| 13216 |
wp_send_json_success([ |
| 13217 |
'threshold' => $similarity_threshold, |
| 13218 |
'threshold_percentage' => ($similarity_threshold * 100) . '%' |
| 13219 |
]); |
| 13220 |
} |
| 13221 |
|
| 13222 |
/** |
| 13223 |
* AJAX handler to get knowledge base status |
| 13224 |
*/ |
| 13225 |
public function mxchat_get_kb_status() { |
| 13226 |
// Verify nonce for security |
| 13227 |
if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) { |
| 13228 |
wp_send_json_error(['message' => 'Invalid nonce']); |
| 13229 |
return; |
| 13230 |
} |
| 13231 |
|
| 13232 |
// Only allow admin users |
| 13233 |
if (!current_user_can('administrator')) { |
| 13234 |
wp_send_json_error(['message' => 'Unauthorized']); |
| 13235 |
return; |
| 13236 |
} |
| 13237 |
|
| 13238 |
// Check OpenAI Vector Store first (takes priority) |
| 13239 |
$vectorstore_options = get_option('mxchat_openai_vectorstore_options', array()); |
| 13240 |
$use_vectorstore = (isset($vectorstore_options['mxchat_use_openai_vectorstore']) && $vectorstore_options['mxchat_use_openai_vectorstore'] === '1'); |
| 13241 |
|
| 13242 |
if ($use_vectorstore) { |
| 13243 |
$vectorstore_ids = $vectorstore_options['mxchat_openai_vectorstore_ids'] ?? ''; |
| 13244 |
$id_count = !empty($vectorstore_ids) ? count(array_filter(array_map('trim', explode(',', $vectorstore_ids)))) : 0; |
| 13245 |
|
| 13246 |
$kb_info = [ |
| 13247 |
'type' => 'OpenAI Vector Store', |
| 13248 |
'status' => 'Active', |
| 13249 |
'documents' => $id_count > 0 ? $id_count . ' vector store' . ($id_count > 1 ? 's' : '') . ' configured' : 'No vector stores configured' |
| 13250 |
]; |
| 13251 |
|
| 13252 |
wp_send_json_success($kb_info); |
| 13253 |
return; |
| 13254 |
} |
| 13255 |
|
| 13256 |
// Check Pinecone vs WordPress |
| 13257 |
$addon_options = get_option('mxchat_pinecone_addon_options', array()); |
| 13258 |
$use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'); |
| 13259 |
|
| 13260 |
$kb_info = [ |
| 13261 |
'type' => $use_pinecone ? 'Pinecone' : 'WordPress Database', |
| 13262 |
'status' => 'Active' |
| 13263 |
]; |
| 13264 |
|
| 13265 |
// Get document count |
| 13266 |
if ($use_pinecone) { |
| 13267 |
$kb_info['documents'] = 'Connected to Pinecone'; |
| 13268 |
$kb_info['api_configured'] = !empty($addon_options['mxchat_pinecone_api_key']); |
| 13269 |
} else { |
| 13270 |
// Count documents in WordPress database |
| 13271 |
global $wpdb; |
| 13272 |
$table_name = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 13273 |
$count = $wpdb->get_var("SELECT COUNT(*) FROM {$table_name}"); |
| 13274 |
$kb_info['documents'] = $count ? $count . ' documents' : 'No documents'; |
| 13275 |
} |
| 13276 |
|
| 13277 |
wp_send_json_success($kb_info); |
| 13278 |
} |
| 13279 |
|
| 13280 |
/** |
| 13281 |
* AJAX handler to start a completely fresh session (NEW - replaces old clear session) |
| 13282 |
*/ |
| 13283 |
public function mxchat_start_fresh_session() { |
| 13284 |
// Verify nonce for security |
| 13285 |
if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) { |
| 13286 |
wp_send_json_error(['message' => 'Invalid nonce']); |
| 13287 |
return; |
| 13288 |
} |
| 13289 |
|
| 13290 |
// Only allow admin users |
| 13291 |
if (!current_user_can('administrator')) { |
| 13292 |
wp_send_json_error(['message' => 'Unauthorized']); |
| 13293 |
return; |
| 13294 |
} |
| 13295 |
|
| 13296 |
$old_session_id = isset($_POST['old_session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['old_session_id'])) : ''; |
| 13297 |
$new_session_id = isset($_POST['new_session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['new_session_id'])) : ''; |
| 13298 |
|
| 13299 |
if (empty($old_session_id)) { |
| 13300 |
wp_send_json_error(['message' => 'Old session ID required']); |
| 13301 |
return; |
| 13302 |
} |
| 13303 |
|
| 13304 |
// If no new session ID provided, generate one |
| 13305 |
if (empty($new_session_id)) { |
| 13306 |
// Cryptographically strong session id (plan-0c17b5). Prefix preserved |
| 13307 |
// exactly (other code pattern-matches on 'mxchat_chat_'). random_bytes |
| 13308 |
// is guaranteed on all supported PHP (7+). |
| 13309 |
$new_session_id = 'mxchat_chat_' . bin2hex(random_bytes(16)); |
| 13310 |
} |
| 13311 |
|
| 13312 |
// Clear ALL data associated with the old session |
| 13313 |
$this->clear_complete_session_data($old_session_id); |
| 13314 |
|
| 13315 |
// Initialize the new session |
| 13316 |
$this->initialize_fresh_session($new_session_id); |
| 13317 |
|
| 13318 |
wp_send_json_success([ |
| 13319 |
'message' => 'Fresh session started successfully', |
| 13320 |
'new_session_id' => $new_session_id, |
| 13321 |
'old_session_id' => $old_session_id |
| 13322 |
]); |
| 13323 |
} |
| 13324 |
|
| 13325 |
/** |
| 13326 |
* Clear ALL data associated with a session (ENHANCED) |
| 13327 |
*/ |
| 13328 |
private function clear_complete_session_data($session_id) { |
| 13329 |
// Clear chat history |
| 13330 |
delete_option("mxchat_history_{$session_id}"); |
| 13331 |
|
| 13332 |
// Clear chat mode |
| 13333 |
delete_option("mxchat_mode_{$session_id}"); |
| 13334 |
|
| 13335 |
// Clear any PDF/Word transients |
| 13336 |
$this->clear_pdf_transients($session_id); |
| 13337 |
if (method_exists($this, 'clear_word_transients')) { |
| 13338 |
$this->clear_word_transients($session_id); |
| 13339 |
} |
| 13340 |
|
| 13341 |
// Archive the session's per-conversation Slack channel before its option |
| 13342 |
// is deleted (plan 7458a7 — covers transcript-retention cleanup paths). |
| 13343 |
// Toggle-gated + shared-channel-guarded inside the helper; best-effort. |
| 13344 |
$stale_channel = get_option("mxchat_channel_{$session_id}", ''); |
| 13345 |
if ($stale_channel !== '') { |
| 13346 |
$this->mxchat_maybe_archive_conversation_channel($session_id, $stale_channel); |
| 13347 |
} |
| 13348 |
|
| 13349 |
// Clear agent-related data |
| 13350 |
delete_option("mxchat_channel_{$session_id}"); |
| 13351 |
delete_option("mxchat_thread_{$session_id}"); |
| 13352 |
delete_option("mxchat_agent_name_{$session_id}"); |
| 13353 |
delete_option("mxchat_email_{$session_id}"); |
| 13354 |
|
| 13355 |
// Clear any recommendation flow state |
| 13356 |
delete_option("mxchat_sr_flow_state_{$session_id}"); |
| 13357 |
|
| 13358 |
// Clear any cached embeddings or context |
| 13359 |
delete_transient("mxchat_context_{$session_id}"); |
| 13360 |
delete_transient("mxchat_last_query_{$session_id}"); |
| 13361 |
|
| 13362 |
// Clear any testing data |
| 13363 |
delete_transient("mxchat_testing_data_{$session_id}"); |
| 13364 |
|
| 13365 |
// Clear any rate limiting data for this session |
| 13366 |
delete_transient("mxchat_rate_limit_{$session_id}"); |
| 13367 |
|
| 13368 |
// Clear any other session-specific transients |
| 13369 |
delete_transient("mxchat_waiting_for_pdf_url_{$session_id}"); |
| 13370 |
delete_transient("mxchat_include_pdf_in_context_{$session_id}"); |
| 13371 |
delete_transient("mxchat_include_word_in_context_{$session_id}"); |
| 13372 |
|
| 13373 |
// Clear form addon state (pending forms and submitted forms) |
| 13374 |
delete_option("mxchat_pending_form_{$session_id}"); |
| 13375 |
delete_option("mxchat_submitted_forms_{$session_id}"); |
| 13376 |
|
| 13377 |
//error_log("MxChat: Cleared all data for session: {$session_id}"); |
| 13378 |
} |
| 13379 |
|
| 13380 |
/** |
| 13381 |
* Initialize a fresh session with default data |
| 13382 |
*/ |
| 13383 |
private function initialize_fresh_session($session_id) { |
| 13384 |
// Set default chat mode |
| 13385 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 13386 |
|
| 13387 |
//error_log("MxChat: Initialized fresh session: {$session_id}"); |
| 13388 |
} |
| 13389 |
|
| 13390 |
/** |
| 13391 |
* Helper method to clear Word document transients (if you have Word support) |
| 13392 |
*/ |
| 13393 |
private function clear_word_transients($session_id) { |
| 13394 |
delete_transient('mxchat_word_url_' . $session_id); |
| 13395 |
delete_transient('mxchat_word_filename_' . $session_id); |
| 13396 |
delete_transient('mxchat_word_embeddings_' . $session_id); |
| 13397 |
delete_transient('mxchat_include_word_in_context_' . $session_id); |
| 13398 |
} |
| 13399 |
|
| 13400 |
/** |
| 13401 |
* Simplified testing data capture method (CLEANED UP) |
| 13402 |
*/ |
| 13403 |
private function capture_testing_data($user_embedding, $message, $session_id) { |
| 13404 |
// Only capture for admin users |
| 13405 |
if (!current_user_can('administrator')) { |
| 13406 |
return null; |
| 13407 |
} |
| 13408 |
|
| 13409 |
$testing_data = [ |
| 13410 |
'query' => $message, |
| 13411 |
'timestamp' => time(), |
| 13412 |
'top_matches' => [], |
| 13413 |
'action_matches' => [] // Add action matches |
| 13414 |
]; |
| 13415 |
|
| 13416 |
// Get similarity threshold |
| 13417 |
$similarity_threshold = isset($this->options['similarity_threshold']) |
| 13418 |
? ((int) $this->options['similarity_threshold']) / 100 |
| 13419 |
: 0.35; |
| 13420 |
|
| 13421 |
$testing_data['similarity_threshold'] = $similarity_threshold; |
| 13422 |
|
| 13423 |
// Use the real similarity analysis if available |
| 13424 |
if ($this->last_similarity_analysis !== null) { |
| 13425 |
$testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type']; |
| 13426 |
$testing_data['top_matches'] = $this->last_similarity_analysis['top_matches']; |
| 13427 |
$testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0; |
| 13428 |
} else { |
| 13429 |
// Fallback: determine knowledge base type |
| 13430 |
$addon_options = get_option('mxchat_pinecone_addon_options', array()); |
| 13431 |
$use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'); |
| 13432 |
|
| 13433 |
$testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database'; |
| 13434 |
} |
| 13435 |
|
| 13436 |
// Include action analysis if available |
| 13437 |
if (isset($this->last_action_analysis) && !empty($this->last_action_analysis)) { |
| 13438 |
$testing_data['action_matches'] = $this->last_action_analysis; |
| 13439 |
|
| 13440 |
// Clear it after capturing to avoid stale data |
| 13441 |
$this->last_action_analysis = null; |
| 13442 |
} |
| 13443 |
|
| 13444 |
return $testing_data; |
| 13445 |
} |
| 13446 |
|
| 13447 |
|
| 13448 |
/** |
| 13449 |
* Track URL clicks from chatbot responses |
| 13450 |
*/ |
| 13451 |
public function mxchat_track_url_click() { |
| 13452 |
// Verify nonce for security |
| 13453 |
if (!isset($_POST['nonce']) || !MxChat_Integrator::mxchat_verify_chat_send_nonce($_POST['nonce'])) { |
| 13454 |
wp_send_json_error(['message' => 'Invalid nonce']); |
| 13455 |
wp_die(); |
| 13456 |
} |
| 13457 |
|
| 13458 |
$session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : ''; |
| 13459 |
$clicked_url = isset($_POST['url']) ? esc_url_raw($_POST['url']) : ''; |
| 13460 |
$message_context = isset($_POST['message_context']) ? sanitize_textarea_field($_POST['message_context']) : ''; |
| 13461 |
|
| 13462 |
if (empty($session_id) || empty($clicked_url)) { |
| 13463 |
wp_send_json_error(['message' => 'Missing required data']); |
| 13464 |
wp_die(); |
| 13465 |
} |
| 13466 |
|
| 13467 |
global $wpdb; |
| 13468 |
$table_name = $wpdb->prefix . 'mxchat_url_clicks'; |
| 13469 |
|
| 13470 |
// Insert click tracking record |
| 13471 |
$wpdb->insert( |
| 13472 |
$table_name, |
| 13473 |
[ |
| 13474 |
'session_id' => $session_id, |
| 13475 |
'clicked_url' => $clicked_url, |
| 13476 |
'message_context' => $message_context, |
| 13477 |
'click_timestamp' => current_time('mysql', 1), |
| 13478 |
'user_ip' => $_SERVER['REMOTE_ADDR'], |
| 13479 |
'user_agent' => $_SERVER['HTTP_USER_AGENT'] |
| 13480 |
] |
| 13481 |
); |
| 13482 |
|
| 13483 |
wp_send_json_success(['message' => 'Click tracked']); |
| 13484 |
wp_die(); |
| 13485 |
} |
| 13486 |
|
| 13487 |
/** |
| 13488 |
* Get URL click analytics for a session |
| 13489 |
*/ |
| 13490 |
public function mxchat_get_url_clicks($session_id) { |
| 13491 |
global $wpdb; |
| 13492 |
$table_name = $wpdb->prefix . 'mxchat_url_clicks'; |
| 13493 |
|
| 13494 |
$clicks = $wpdb->get_results($wpdb->prepare( |
| 13495 |
"SELECT * FROM $table_name WHERE session_id = %s ORDER BY click_timestamp ASC", |
| 13496 |
$session_id |
| 13497 |
)); |
| 13498 |
|
| 13499 |
return $clicks; |
| 13500 |
} |
| 13501 |
/** |
| 13502 |
* Track the originating page where chat was started |
| 13503 |
*/ |
| 13504 |
public function mxchat_track_originating_page() { |
| 13505 |
// Verify nonce |
| 13506 |
if (!isset($_POST['nonce']) || !MxChat_Integrator::mxchat_verify_chat_send_nonce($_POST['nonce'])) { |
| 13507 |
wp_send_json_error(['message' => 'Invalid nonce']); |
| 13508 |
wp_die(); |
| 13509 |
} |
| 13510 |
|
| 13511 |
$session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : ''; |
| 13512 |
$page_url = isset($_POST['page_url']) ? esc_url_raw($_POST['page_url']) : ''; |
| 13513 |
$page_title = isset($_POST['page_title']) ? sanitize_text_field($_POST['page_title']) : ''; |
| 13514 |
|
| 13515 |
if (empty($session_id)) { |
| 13516 |
wp_send_json_error(['message' => 'Missing session ID']); |
| 13517 |
wp_die(); |
| 13518 |
} |
| 13519 |
|
| 13520 |
global $wpdb; |
| 13521 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 13522 |
|
| 13523 |
// Check if we've already tracked for this session |
| 13524 |
$existing = $wpdb->get_var($wpdb->prepare( |
| 13525 |
"SELECT COUNT(*) FROM $table_name |
| 13526 |
WHERE session_id = %s |
| 13527 |
AND originating_page_url IS NOT NULL", |
| 13528 |
$session_id |
| 13529 |
)); |
| 13530 |
|
| 13531 |
if ($existing > 0) { |
| 13532 |
wp_send_json_success(['message' => 'Already tracked']); |
| 13533 |
wp_die(); |
| 13534 |
} |
| 13535 |
|
| 13536 |
// Update the first message in this session with originating page info |
| 13537 |
$wpdb->query($wpdb->prepare( |
| 13538 |
"UPDATE $table_name |
| 13539 |
SET originating_page_url = %s, |
| 13540 |
originating_page_title = %s |
| 13541 |
WHERE session_id = %s |
| 13542 |
ORDER BY timestamp ASC |
| 13543 |
LIMIT 1", |
| 13544 |
$page_url, |
| 13545 |
$page_title, |
| 13546 |
$session_id |
| 13547 |
)); |
| 13548 |
|
| 13549 |
wp_send_json_success(['message' => 'Originating page tracked']); |
| 13550 |
wp_die(); |
| 13551 |
} |
| 13552 |
|
| 13553 |
/** |
| 13554 |
* Validate and clean URLs from AI response |
| 13555 |
* Removes any URLs that aren't in the knowledge base |
| 13556 |
* |
| 13557 |
* @param string $response_text The AI-generated response |
| 13558 |
* @param array $valid_urls Array of URLs from the knowledge base |
| 13559 |
* @return string Cleaned response with invalid URLs removed/flagged |
| 13560 |
*/ |
| 13561 |
private function validate_and_clean_urls($response_text, $valid_urls, $session_id = null, $bot_id = null) { |
| 13562 |
/** |
| 13563 |
* Filter the list of URLs treated as valid (allowlisted) BEFORE the |
| 13564 |
* response URL sanitizer strips any link not in the list. Lets a site |
| 13565 |
* owner / developer whitelist links their custom function-calling tools |
| 13566 |
* return (e.g. session or speaker pages), which are otherwise absent from |
| 13567 |
* the RAG/system-prompt-derived list and get stripped to plain text. |
| 13568 |
* |
| 13569 |
* Purely additive: with no hook registered, apply_filters returns |
| 13570 |
* $valid_urls untouched, so there is zero behavior change for anyone who |
| 13571 |
* does not use the filter. Applied before the empty-check so a hooked |
| 13572 |
* allowlist can participate. (plan-mxchat-20260710-13a471) |
| 13573 |
* |
| 13574 |
* @param array $valid_urls URLs already known-valid (RAG + system prompt). |
| 13575 |
* @param string|null $session_id Current chat session id, if available. |
| 13576 |
* @param string|null $bot_id Current bot id, if available. |
| 13577 |
*/ |
| 13578 |
$valid_urls = apply_filters('mxchat_valid_urls', $valid_urls, $session_id, $bot_id); |
| 13579 |
|
| 13580 |
// A bad mu-plugin returning a non-array (or non-string entries) must never |
| 13581 |
// fatal the response path — coerce defensively before any use. |
| 13582 |
if (!is_array($valid_urls)) { |
| 13583 |
$valid_urls = array(); |
| 13584 |
} |
| 13585 |
$valid_urls = array_values(array_filter($valid_urls, static function ($u) { |
| 13586 |
return is_string($u) && $u !== ''; |
| 13587 |
})); |
| 13588 |
|
| 13589 |
// If no valid URLs provided or empty response, return as-is |
| 13590 |
if (empty($valid_urls) || empty($response_text)) { |
| 13591 |
//error_log("Validation skipped - empty valid_urls or response"); |
| 13592 |
return $response_text; |
| 13593 |
} |
| 13594 |
|
| 13595 |
// Extract all URLs from the AI response |
| 13596 |
// This regex matches http:// and https:// URLs |
| 13597 |
preg_match_all( |
| 13598 |
'#\bhttps?://[^\s<>"\')\]]+#i', |
| 13599 |
$response_text, |
| 13600 |
$matches |
| 13601 |
); |
| 13602 |
|
| 13603 |
// If no URLs found in response, return as-is |
| 13604 |
if (empty($matches[0])) { |
| 13605 |
//error_log("No URLs found in response"); |
| 13606 |
return $response_text; |
| 13607 |
} |
| 13608 |
|
| 13609 |
$found_urls = $matches[0]; |
| 13610 |
$cleaned_response = $response_text; |
| 13611 |
$removed_count = 0; |
| 13612 |
|
| 13613 |
// Normalize valid URLs for comparison (remove trailing slashes, fragments, etc.) |
| 13614 |
$normalized_valid_urls = array_map(function($url) { |
| 13615 |
// Remove trailing slash |
| 13616 |
$url = rtrim($url, '/'); |
| 13617 |
// Remove URL fragments (#section) |
| 13618 |
$url = preg_replace('/#.*$/', '', $url); |
| 13619 |
// Remove trailing punctuation that might have been captured |
| 13620 |
$url = rtrim($url, '.,;:!?'); |
| 13621 |
return $url; |
| 13622 |
}, $valid_urls); |
| 13623 |
|
| 13624 |
//error_log("Normalized valid URLs: " . print_r($normalized_valid_urls, true)); |
| 13625 |
|
| 13626 |
foreach ($found_urls as $found_url) { |
| 13627 |
// Clean up the found URL (remove trailing punctuation that might have been captured) |
| 13628 |
$clean_found_url = rtrim($found_url, '.,;:!?)'); |
| 13629 |
|
| 13630 |
// DEBUG: Log each URL being checked |
| 13631 |
//error_log("Checking found URL: " . $found_url); |
| 13632 |
|
| 13633 |
// Normalize for comparison |
| 13634 |
$normalized_found = rtrim($clean_found_url, '/'); |
| 13635 |
$normalized_found = preg_replace('/#.*$/', '', $normalized_found); |
| 13636 |
|
| 13637 |
//error_log("Normalized found URL: " . $normalized_found); |
| 13638 |
|
| 13639 |
// Check if this URL exists in our valid URLs list |
| 13640 |
$is_valid = false; |
| 13641 |
|
| 13642 |
//error_log("Starting validation checks for: " . $normalized_found); |
| 13643 |
|
| 13644 |
// First, try exact match |
| 13645 |
if (in_array($normalized_found, $normalized_valid_urls)) { |
| 13646 |
$is_valid = true; |
| 13647 |
//error_log("EXACT MATCH FOUND"); |
| 13648 |
} else { |
| 13649 |
//error_log("No exact match, checking variations..."); |
| 13650 |
// If no exact match, check if it's a variation (with query params, etc.) |
| 13651 |
foreach ($normalized_valid_urls as $valid_url) { |
| 13652 |
//error_log(" Comparing against valid URL: " . $valid_url); |
| 13653 |
|
| 13654 |
// Check if the found URL starts with a valid URL (handles query params) |
| 13655 |
if (strpos($normalized_found, $valid_url) === 0) { |
| 13656 |
// Check what comes after the valid URL |
| 13657 |
$remainder = substr($normalized_found, strlen($valid_url)); |
| 13658 |
|
| 13659 |
// Only valid if: |
| 13660 |
// 1. Exact match (remainder is empty) |
| 13661 |
// 2. Query params (starts with ?) |
| 13662 |
// 3. Fragment (starts with #) |
| 13663 |
if (empty($remainder) || $remainder[0] === '?' || $remainder[0] === '#') { |
| 13664 |
$is_valid = true; |
| 13665 |
//error_log(" MATCH: Found URL is valid variation of base URL"); |
| 13666 |
break; |
| 13667 |
} else { |
| 13668 |
//error_log(" NOT A MATCH: Found URL extends path beyond valid URL (remainder: " . $remainder . ")"); |
| 13669 |
} |
| 13670 |
} |
| 13671 |
// Also check the reverse (in case valid URL has query params) |
| 13672 |
if (strpos($valid_url, $normalized_found) === 0) { |
| 13673 |
$is_valid = true; |
| 13674 |
//error_log(" MATCH: Valid URL starts with found URL"); |
| 13675 |
break; |
| 13676 |
} |
| 13677 |
} |
| 13678 |
|
| 13679 |
if (!$is_valid) { |
| 13680 |
//error_log("NO MATCH FOUND - URL should be removed"); |
| 13681 |
} |
| 13682 |
} |
| 13683 |
|
| 13684 |
// If URL is not valid, remove it from the response |
| 13685 |
if (!$is_valid) { |
| 13686 |
// Log the removal for debugging |
| 13687 |
//error_log("MxChat: Removed hallucinated URL: " . $found_url); |
| 13688 |
//error_log("MxChat: Valid URLs were: " . implode(', ', array_slice($normalized_valid_urls, 0, 5))); |
| 13689 |
|
| 13690 |
$removed_count++; |
| 13691 |
|
| 13692 |
// Check if URL is part of a markdown link: [text](url) |
| 13693 |
$markdown_pattern = '/\[([^\]]+)\]\(' . preg_quote($found_url, '/') . '\)/'; |
| 13694 |
if (preg_match($markdown_pattern, $cleaned_response)) { |
| 13695 |
//error_log("Found markdown link, removing but keeping text"); |
| 13696 |
// Remove the markdown link but keep the text |
| 13697 |
$cleaned_response = preg_replace($markdown_pattern, '$1', $cleaned_response); |
| 13698 |
} |
| 13699 |
// Check if URL is part of an HTML link: <a href="url">text</a> |
| 13700 |
else if (preg_match('/<a[^>]*href=["\']' . preg_quote($found_url, '/') . '["\'][^>]*>(.*?)<\/a>/i', $cleaned_response, $link_match)) { |
| 13701 |
//error_log("Found HTML link, removing but keeping text"); |
| 13702 |
// Remove the HTML link but keep the text |
| 13703 |
$link_text = $link_match[1]; |
| 13704 |
$cleaned_response = preg_replace( |
| 13705 |
'/<a[^>]*href=["\']' . preg_quote($found_url, '/') . '["\'][^>]*>.*?<\/a>/i', |
| 13706 |
$link_text, |
| 13707 |
$cleaned_response |
| 13708 |
); |
| 13709 |
} |
| 13710 |
// Otherwise just remove the bare URL |
| 13711 |
else { |
| 13712 |
//error_log("Removing bare URL"); |
| 13713 |
$cleaned_response = str_replace($found_url, '', $cleaned_response); |
| 13714 |
} |
| 13715 |
} |
| 13716 |
} |
| 13717 |
|
| 13718 |
// Log summary if any URLs were removed |
| 13719 |
if ($removed_count > 0) { |
| 13720 |
//error_log("MxChat: URL Validation Summary - Removed {$removed_count} hallucinated URL(s)"); |
| 13721 |
} else { |
| 13722 |
//error_log("MxChat: URL Validation Summary - No URLs removed, all were valid"); |
| 13723 |
} |
| 13724 |
|
| 13725 |
// Clean up any double spaces or awkward punctuation left behind |
| 13726 |
// IMPORTANT: Only collapse horizontal whitespace (spaces/tabs), preserve newlines for markdown formatting |
| 13727 |
$cleaned_response = preg_replace('/[^\S\n]+/', ' ', $cleaned_response); // Collapse spaces/tabs but NOT newlines |
| 13728 |
$cleaned_response = preg_replace('/[^\S\n]+([.,;:!?])/', '$1', $cleaned_response); // Same for punctuation cleanup |
| 13729 |
|
| 13730 |
//error_log("Final cleaned response: " . $cleaned_response); |
| 13731 |
|
| 13732 |
return trim($cleaned_response); |
| 13733 |
} |
| 13734 |
|
| 13735 |
/** |
| 13736 |
* AJAX handler to get current chat mode for a session |
| 13737 |
*/ |
| 13738 |
public function mxchat_get_current_chat_mode() { |
| 13739 |
// Verify nonce for security |
| 13740 |
if (!isset($_POST['nonce']) || !MxChat_Integrator::mxchat_verify_chat_send_nonce($_POST['nonce'])) { |
| 13741 |
wp_send_json_error(['message' => 'Invalid nonce']); |
| 13742 |
wp_die(); |
| 13743 |
} |
| 13744 |
|
| 13745 |
$session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : ''; |
| 13746 |
|
| 13747 |
if (empty($session_id)) { |
| 13748 |
wp_send_json_error(['message' => 'Session ID missing']); |
| 13749 |
wp_die(); |
| 13750 |
} |
| 13751 |
|
| 13752 |
// Get the current chat mode for this session |
| 13753 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 13754 |
|
| 13755 |
wp_send_json_success([ |
| 13756 |
'chat_mode' => $chat_mode |
| 13757 |
]); |
| 13758 |
wp_die(); |
| 13759 |
} |
| 13760 |
|
| 13761 |
|
| 13762 |
|
| 13763 |
} |
| 13764 |
?> |
| 13765 |
|
