| 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 |
private $word_handler; |
| 13 |
|
| 14 |
public function __construct() { |
| 15 |
$this->options = get_option('mxchat_options'); |
| 16 |
$this->prompts_options = get_option('mxchat_prompts_options', array()); |
| 17 |
|
| 18 |
$this->chat_count = get_option('mxchat_chat_count', 0); |
| 19 |
$this->word_handler = new MXChat_Word_Handler($this->options); |
| 20 |
|
| 21 |
add_action('wp_enqueue_scripts', array($this, 'mxchat_enqueue_scripts_styles')); |
| 22 |
add_action('wp_ajax_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request')); |
| 23 |
add_action('wp_ajax_nopriv_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request')); |
| 24 |
|
| 25 |
add_action('wp_ajax_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message')); |
| 26 |
add_action('wp_ajax_nopriv_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message')); |
| 27 |
// Add the AJAX actions for checking if the pre-chat message was dismissed |
| 28 |
add_action('wp_ajax_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status')); |
| 29 |
add_action('wp_ajax_nopriv_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status')); |
| 30 |
|
| 31 |
add_action('wp_ajax_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']); |
| 32 |
add_action('wp_ajax_nopriv_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']); |
| 33 |
|
| 34 |
add_action('wp_ajax_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']); |
| 35 |
add_action('wp_ajax_nopriv_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']); |
| 36 |
|
| 37 |
if (!wp_next_scheduled('mxchat_reset_rate_limits')) { |
| 38 |
wp_schedule_event(time(), 'daily', 'mxchat_reset_rate_limits'); |
| 39 |
} |
| 40 |
|
| 41 |
// Add REST API routes registration |
| 42 |
add_action('rest_api_init', array($this, 'register_routes')); |
| 43 |
|
| 44 |
add_action('wp_ajax_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages')); |
| 45 |
add_action('wp_ajax_nopriv_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages')); |
| 46 |
|
| 47 |
add_action('mxchat_reset_rate_limits', array($this, 'mxchat_reset_rate_limits')); |
| 48 |
|
| 49 |
add_action('wp_ajax_mxchat_upload_pdf', [$this, 'handle_pdf_upload']); |
| 50 |
add_action('wp_ajax_nopriv_mxchat_upload_pdf', [$this, 'handle_pdf_upload']); |
| 51 |
add_action('wp_ajax_mxchat_remove_pdf', [$this, 'handle_pdf_remove']); |
| 52 |
add_action('wp_ajax_nopriv_mxchat_remove_pdf', [$this, 'handle_pdf_remove']); |
| 53 |
|
| 54 |
// Add these with your other add_action hooks |
| 55 |
add_action('wp_ajax_mxchat_upload_word', array($this, 'mxchat_handle_word_upload')); |
| 56 |
add_action('wp_ajax_nopriv_mxchat_upload_word', array($this, 'mxchat_handle_word_upload')); |
| 57 |
add_action('wp_ajax_mxchat_remove_word', array($this, 'mxchat_handle_word_remove')); |
| 58 |
add_action('wp_ajax_nopriv_mxchat_remove_word', array($this, 'mxchat_handle_word_remove')); |
| 59 |
add_action('wp_ajax_mxchat_check_word_status', array($this, 'mxchat_check_word_status')); |
| 60 |
add_action('wp_ajax_nopriv_mxchat_check_word_status', array($this, 'mxchat_check_word_status')); |
| 61 |
|
| 62 |
add_action('wp_ajax_nopriv_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']); |
| 63 |
add_action('wp_ajax_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']); |
| 64 |
add_action('wp_ajax_nopriv_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']); |
| 65 |
add_action('wp_ajax_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']); |
| 66 |
} |
| 67 |
|
| 68 |
|
| 69 |
private function mxchat_increment_chat_count() { |
| 70 |
$chat_count = get_option('mxchat_chat_count', 0); |
| 71 |
$chat_count++; |
| 72 |
update_option('mxchat_chat_count', $chat_count); |
| 73 |
} |
| 74 |
|
| 75 |
function mxchat_fetch_conversation_history() { |
| 76 |
if (empty($_POST['session_id'])) { |
| 77 |
wp_send_json_error(['message' => esc_html__('Session ID missing.', 'mxchat')]); |
| 78 |
wp_die(); |
| 79 |
} |
| 80 |
|
| 81 |
$session_id = sanitize_text_field($_POST['session_id']); |
| 82 |
$history = get_option("mxchat_history_{$session_id}", []); // Retrieve stored history |
| 83 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); // Get current chat mode |
| 84 |
|
| 85 |
if (empty($history)) { |
| 86 |
// Even if history is empty, return the chat mode |
| 87 |
wp_send_json_success([ |
| 88 |
'conversation' => [], |
| 89 |
'chat_mode' => $chat_mode |
| 90 |
]); |
| 91 |
wp_die(); |
| 92 |
} |
| 93 |
|
| 94 |
wp_send_json_success([ |
| 95 |
'conversation' => $history, |
| 96 |
'chat_mode' => $chat_mode |
| 97 |
]); |
| 98 |
wp_die(); |
| 99 |
} |
| 100 |
private function mxchat_fetch_conversation_history_for_ajax($session_id) { |
| 101 |
$history = get_option("mxchat_history_{$session_id}", []); // Retrieve stored history based on session ID |
| 102 |
$formatted_history = []; |
| 103 |
|
| 104 |
// Format the history to align with the expected structure for OpenAI |
| 105 |
foreach ($history as $entry) { |
| 106 |
$formatted_history[] = [ |
| 107 |
'role' => $entry['role'], // Ensure this matches 'user' or 'assistant' |
| 108 |
'content' => $entry['content'] |
| 109 |
]; |
| 110 |
} |
| 111 |
|
| 112 |
return $formatted_history; |
| 113 |
} |
| 114 |
|
| 115 |
|
| 116 |
private function mxchat_fetch_conversation_history_for_ai($session_id) { |
| 117 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 118 |
$formatted_history = []; |
| 119 |
|
| 120 |
// Adjusted for code-heavy conversations |
| 121 |
$max_tokens = 120000; // Context window size |
| 122 |
$reserved_tokens = 5000; // Space for system prompts + current query |
| 123 |
$current_token_count = 0; |
| 124 |
|
| 125 |
// Allowed HTML tags for content sanitization |
| 126 |
$allowed_tags = [ |
| 127 |
'pre' => ['class' => true], |
| 128 |
'code' => ['class' => true], |
| 129 |
'span' => ['class' => true], |
| 130 |
'div' => ['class' => true], |
| 131 |
'strong' => [], |
| 132 |
'em' => [] |
| 133 |
]; |
| 134 |
|
| 135 |
foreach (array_reverse($history) as $entry) { |
| 136 |
// Preserve code blocks while sanitizing other HTML |
| 137 |
$clean_content = wp_kses($entry['content'], $allowed_tags); |
| 138 |
|
| 139 |
// Detect code blocks in content |
| 140 |
$has_code = false; |
| 141 |
// Replace the HTML check with: |
| 142 |
// Allow messages that contain code blocks or are plain text |
| 143 |
if (strpos($clean_content, '<pre') === false && |
| 144 |
strpos($clean_content, '<code') === false && |
| 145 |
$clean_content !== strip_tags($entry['content'])) { |
| 146 |
continue; |
| 147 |
} |
| 148 |
|
| 149 |
// Skip entries that lost significant content during sanitization |
| 150 |
if (!$has_code && $clean_content !== strip_tags($entry['content'])) { |
| 151 |
continue; |
| 152 |
} |
| 153 |
|
| 154 |
// More accurate token estimation (1 token ≈ 4 characters) |
| 155 |
$token_estimate = ceil(mb_strlen($clean_content, 'UTF-8') / 4); |
| 156 |
|
| 157 |
// Check token budget with the new estimate |
| 158 |
if (($current_token_count + $token_estimate + $reserved_tokens) > $max_tokens) { |
| 159 |
// Try to fit partial content if it's the first entry |
| 160 |
if (empty($formatted_history)) { |
| 161 |
$clean_content = mb_substr($clean_content, 0, ($max_tokens - $reserved_tokens) * 4); |
| 162 |
$token_estimate = ceil(mb_strlen($clean_content, 'UTF-8') / 4); |
| 163 |
} else { |
| 164 |
break; |
| 165 |
} |
| 166 |
} |
| 167 |
|
| 168 |
// Add to formatted history |
| 169 |
$formatted_history[] = [ |
| 170 |
'role' => $entry['role'], |
| 171 |
'content' => $clean_content |
| 172 |
]; |
| 173 |
|
| 174 |
$current_token_count += $token_estimate; |
| 175 |
} |
| 176 |
|
| 177 |
// Reverse back to maintain chronological order |
| 178 |
$formatted_history = array_reverse($formatted_history); |
| 179 |
|
| 180 |
// Add system message about code context |
| 181 |
array_unshift($formatted_history, [ |
| 182 |
'role' => 'system', |
| 183 |
'content' => 'Preserved code blocks are marked with [CODE BLOCK PRESERVED]. ' |
| 184 |
. 'Maintain formatting and syntax highlighting when referencing code.' |
| 185 |
]); |
| 186 |
|
| 187 |
return $formatted_history; |
| 188 |
} |
| 189 |
|
| 190 |
public function register_routes() { |
| 191 |
//error_log(esc_html__('Registering MxChat REST routes', 'mxchat')); |
| 192 |
|
| 193 |
register_rest_route('mxchat/v1', '/stream', [ |
| 194 |
'methods' => 'GET', |
| 195 |
'callback' => [$this, 'mxchat_stream_events'], |
| 196 |
'permission_callback' => [$this, 'verify_chat_session'], |
| 197 |
]); |
| 198 |
|
| 199 |
register_rest_route('mxchat/v1', '/agent-response', [ |
| 200 |
'methods' => 'POST', |
| 201 |
'callback' => [$this, 'mxchat_handle_agent_response'], |
| 202 |
'permission_callback' => [$this, 'verify_slack_request'], |
| 203 |
]); |
| 204 |
|
| 205 |
register_rest_route('mxchat/v1', '/slack-interaction', [ |
| 206 |
'methods' => 'POST', |
| 207 |
'callback' => [$this, 'handle_slack_interaction'], |
| 208 |
'permission_callback' => [$this, 'verify_slack_request'], |
| 209 |
]); |
| 210 |
|
| 211 |
//error_log(esc_html__('MxChat REST routes registered', 'mxchat')); |
| 212 |
} |
| 213 |
|
| 214 |
/** |
| 215 |
* Verify valid chat session |
| 216 |
*/ |
| 217 |
public function verify_chat_session($request) { |
| 218 |
$session_id = $request->get_param('session_id'); |
| 219 |
if (empty($session_id)) { |
| 220 |
//error_log(esc_html__('Empty session ID in chat request', 'mxchat')); |
| 221 |
return false; |
| 222 |
} |
| 223 |
|
| 224 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 225 |
return $chat_mode === 'agent'; |
| 226 |
} |
| 227 |
|
| 228 |
/** |
| 229 |
* Verify request is coming from Slack. |
| 230 |
* |
| 231 |
* @param WP_REST_Request $request |
| 232 |
* @return bool True if valid, false otherwise. |
| 233 |
*/ |
| 234 |
public function verify_slack_request($request) { |
| 235 |
// Get the Slack signing secret from your plugin options |
| 236 |
$valid_key = $this->options['live_agent_secret_key'] ?? ''; |
| 237 |
|
| 238 |
if (empty($valid_key)) { |
| 239 |
//error_log(esc_html__('Slack signing secret not configured', 'mxchat')); |
| 240 |
return false; |
| 241 |
} |
| 242 |
|
| 243 |
$timestamp = $request->get_header('X-Slack-Request-Timestamp'); |
| 244 |
$slack_signature = $request->get_header('X-Slack-Signature'); |
| 245 |
|
| 246 |
// Verify timestamp to prevent replay attacks |
| 247 |
if (abs(time() - intval($timestamp)) > 300) { |
| 248 |
//error_log(esc_html__('Slack request timestamp too old', 'mxchat')); |
| 249 |
return false; |
| 250 |
} |
| 251 |
|
| 252 |
// Get raw request body |
| 253 |
$request_body = file_get_contents('php://input'); |
| 254 |
|
| 255 |
// Create the signature base string |
| 256 |
$sig_basestring = "v0:{$timestamp}:{$request_body}"; |
| 257 |
|
| 258 |
// Calculate expected signature |
| 259 |
$my_signature = 'v0=' . hash_hmac('sha256', $sig_basestring, $valid_key); |
| 260 |
|
| 261 |
// Compare signatures |
| 262 |
return hash_equals($my_signature, $slack_signature); |
| 263 |
} |
| 264 |
public function mxchat_stream_events(WP_REST_Request $request) { |
| 265 |
header('Content-Type: text/event-stream'); |
| 266 |
header('Cache-Control: no-cache'); |
| 267 |
header('Connection: keep-alive'); |
| 268 |
|
| 269 |
$session_id = sanitize_text_field($request->get_param('session_id')); |
| 270 |
$last_seen_id = sanitize_text_field($request->get_param('last_seen_id')) ?: ''; |
| 271 |
|
| 272 |
if (empty($session_id)) { |
| 273 |
echo esc_html__("event: error\ndata: ", 'mxchat') . esc_html__('Missing session_id', 'mxchat') . "\n\n"; |
| 274 |
flush(); |
| 275 |
exit; |
| 276 |
} |
| 277 |
|
| 278 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 279 |
|
| 280 |
// Filter only new messages |
| 281 |
$new_messages = array_filter($history, function ($message) use ($last_seen_id) { |
| 282 |
return !empty($message['id']) && $message['id'] > $last_seen_id; |
| 283 |
}); |
| 284 |
|
| 285 |
// Send new messages if available |
| 286 |
if (!empty($new_messages)) { |
| 287 |
echo esc_html__("event: newMessages\ndata: ", 'mxchat') . json_encode(array_values($new_messages)) . "\n\n"; |
| 288 |
} else { |
| 289 |
// Keep the connection alive |
| 290 |
echo esc_html__("event: keepAlive\ndata: ", 'mxchat') . "{}\n\n"; |
| 291 |
} |
| 292 |
flush(); |
| 293 |
exit; |
| 294 |
} |
| 295 |
|
| 296 |
|
| 297 |
|
| 298 |
|
| 299 |
private function mxchat_save_chat_message($session_id, $role, $message) { |
| 300 |
global $wpdb; |
| 301 |
|
| 302 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 303 |
//error_log("[DEBUG] mxchat_save_chat_message -> START for session_id: {$session_id}, role: {$role}"); |
| 304 |
|
| 305 |
// 1) Extract agent name if present |
| 306 |
$agent_name = ''; |
| 307 |
if (preg_match('/^Agent: (.*?) - /', $message, $matches)) { |
| 308 |
$agent_name = $matches[1]; |
| 309 |
$message = str_replace("Agent: $agent_name - ", '', $message); |
| 310 |
|
| 311 |
$session_meta_key = "mxchat_agent_name_{$session_id}"; |
| 312 |
if (empty(get_option($session_meta_key))) { |
| 313 |
update_option($session_meta_key, $agent_name); |
| 314 |
//error_log("[DEBUG] mxchat_save_chat_message -> Stored agent_name in option: {$session_meta_key} => {$agent_name}"); |
| 315 |
} |
| 316 |
} |
| 317 |
|
| 318 |
// 2) Generate unique message_id |
| 319 |
$message_id = uniqid(); |
| 320 |
//error_log("[DEBUG] mxchat_save_chat_message -> Generated message_id: {$message_id}"); |
| 321 |
|
| 322 |
// 3) Determine user_id |
| 323 |
$user_id = is_user_logged_in() ? get_current_user_id() : 0; |
| 324 |
|
| 325 |
// 4) Determine user_identifier |
| 326 |
$user_identifier = $agent_name |
| 327 |
? $agent_name |
| 328 |
: MxChat_User::mxchat_get_user_identifier(); |
| 329 |
|
| 330 |
// 5) Determine displayed_name |
| 331 |
$user_email = MxChat_User::mxchat_get_user_email(); |
| 332 |
$displayed_name = $agent_name ? $agent_name : ($user_email ?: $user_identifier); |
| 333 |
|
| 334 |
// 6) Check for a saved email in wp_options |
| 335 |
$email_option_key = "mxchat_email_{$session_id}"; |
| 336 |
$saved_email = get_option($email_option_key); |
| 337 |
//error_log("[DEBUG] mxchat_save_chat_message -> Checking wp_options for email_option_key: {$email_option_key}, found: {$saved_email}"); |
| 338 |
|
| 339 |
// If found, update DB user_email |
| 340 |
if ($saved_email) { |
| 341 |
$update_res = $wpdb->update( |
| 342 |
$table_name, |
| 343 |
['user_email' => $saved_email], |
| 344 |
['session_id' => $session_id], |
| 345 |
['%s'], |
| 346 |
['%s'] |
| 347 |
); |
| 348 |
//error_log("[DEBUG] mxchat_save_chat_message -> Attempted DB user_email update for session_id {$session_id}. update_res: {$update_res}"); |
| 349 |
} |
| 350 |
|
| 351 |
// 7) Save to session history in wp_options |
| 352 |
$history_key = "mxchat_history_{$session_id}"; |
| 353 |
$history = get_option($history_key, []); |
| 354 |
$history[] = [ |
| 355 |
'id' => $message_id, |
| 356 |
'role' => $role, |
| 357 |
'content' => $message, |
| 358 |
'timestamp' => round(microtime(true) * 1000), |
| 359 |
'agent_name' => $displayed_name, |
| 360 |
]; |
| 361 |
update_option($history_key, $history); |
| 362 |
//error_log("[DEBUG] mxchat_save_chat_message -> Updated session history in option: {$history_key}"); |
| 363 |
|
| 364 |
// 8) Save the message to DB (INSERT) |
| 365 |
$insert_data = [ |
| 366 |
'user_id' => $user_id, |
| 367 |
'user_identifier'=> $user_identifier, |
| 368 |
'user_email' => $saved_email ?: $user_email, |
| 369 |
'session_id' => $session_id, |
| 370 |
'role' => $role, |
| 371 |
'message' => $message, |
| 372 |
'timestamp' => current_time('mysql', 1), |
| 373 |
]; |
| 374 |
$wpdb->insert($table_name, $insert_data); |
| 375 |
//error_log("[DEBUG] mxchat_save_chat_message -> Inserted message into DB. row_id: {$wpdb->insert_id}, data: " . print_r($insert_data, true)); |
| 376 |
|
| 377 |
//error_log("[DEBUG] mxchat_save_chat_message -> END for session_id: {$session_id}"); |
| 378 |
return $message_id; |
| 379 |
} |
| 380 |
|
| 381 |
public function mxchat_handle_save_email_and_response() { |
| 382 |
//error_log('[DEBUG] ---------- mxchat_handle_save_email_and_response START ----------'); |
| 383 |
|
| 384 |
// Validate nonce |
| 385 |
if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) { |
| 386 |
error_log(esc_html__('[ERROR] Invalid nonce in mxchat_handle_save_email_and_response', 'mxchat')); |
| 387 |
wp_send_json_error(['message' => esc_html__('Invalid nonce.', 'mxchat')]); |
| 388 |
wp_die(); |
| 389 |
} |
| 390 |
|
| 391 |
$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : ''; |
| 392 |
$email = isset($_POST['email']) ? sanitize_email($_POST['email']) : ''; |
| 393 |
|
| 394 |
//error_log("[DEBUG] handle_save_email_and_response -> session_id: {$session_id}, email: {$email}"); |
| 395 |
|
| 396 |
if (empty($session_id) || empty($email)) { |
| 397 |
//error_log("[ERROR] Missing session_id or email: session_id={$session_id}, email={$email}"); |
| 398 |
wp_send_json_error(['message' => esc_html__('Session ID or email is missing.', 'mxchat')]); |
| 399 |
wp_die(); |
| 400 |
} |
| 401 |
|
| 402 |
// 1) Always store in wp_options |
| 403 |
$option_key = "mxchat_email_{$session_id}"; |
| 404 |
update_option($option_key, $email); |
| 405 |
//error_log("[DEBUG] handle_save_email_and_response -> updated option: {$option_key} => {$email}"); |
| 406 |
|
| 407 |
// 2) (Optional) Also store in DB if a row already exists |
| 408 |
global $wpdb; |
| 409 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 410 |
|
| 411 |
// Make sure we have a valid placeholder in prepare |
| 412 |
$sql = $wpdb->prepare("SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s", $session_id); |
| 413 |
$session_count = $wpdb->get_var($sql); |
| 414 |
|
| 415 |
//error_log("[DEBUG] handle_save_email_and_response -> session_count for {$session_id}: {$session_count} (SQL: {$sql})"); |
| 416 |
|
| 417 |
if ($session_count) { |
| 418 |
// Update user_email if row(s) exist |
| 419 |
$update_sql = $wpdb->prepare( |
| 420 |
"UPDATE {$table_name} SET user_email = %s WHERE session_id = %s", |
| 421 |
$email, |
| 422 |
$session_id |
| 423 |
); |
| 424 |
$wpdb->query($update_sql); |
| 425 |
//error_log("[DEBUG] handle_save_email_and_response -> DB updated: {$update_sql}"); |
| 426 |
} else { |
| 427 |
//error_log("[INFO] handle_save_email_and_response -> No DB entry for {$session_id}, so email is only in wp_options."); |
| 428 |
} |
| 429 |
|
| 430 |
// Provide success response |
| 431 |
$bot_message = __('Thanks for providing your email! You can continue chatting now.', 'mxchat'); |
| 432 |
//error_log("[DEBUG] handle_save_email_and_response -> success, returning bot_message: {$bot_message}"); |
| 433 |
wp_send_json_success(['message' => $bot_message]); |
| 434 |
wp_die(); |
| 435 |
} |
| 436 |
|
| 437 |
public function mxchat_check_email_provided() { |
| 438 |
//error_log('[DEBUG] ---------- mxchat_check_email_provided START ----------'); |
| 439 |
|
| 440 |
if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) { |
| 441 |
//error_log('[ERROR] Invalid nonce in mxchat_check_email_provided'); |
| 442 |
wp_send_json_error(['message' => esc_html__('Invalid nonce', 'mxchat')]); |
| 443 |
} |
| 444 |
|
| 445 |
$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : ''; |
| 446 |
if (empty($session_id)) { |
| 447 |
//error_log('[ERROR] No session ID provided in mxchat_check_email_provided'); |
| 448 |
wp_send_json_error(['message' => esc_html__('No session ID provided', 'mxchat')]); |
| 449 |
} |
| 450 |
|
| 451 |
// Check if the user is logged in |
| 452 |
if (is_user_logged_in()) { |
| 453 |
$current_user = wp_get_current_user(); |
| 454 |
//error_log("[DEBUG] User is logged in as {$current_user->user_email}"); |
| 455 |
wp_send_json_success(['logged_in' => true, 'email' => $current_user->user_email]); |
| 456 |
} |
| 457 |
|
| 458 |
$option_key = "mxchat_email_{$session_id}"; |
| 459 |
$stored_email = get_option($option_key, ''); |
| 460 |
|
| 461 |
//error_log("[DEBUG] mxchat_check_email_provided -> Checking option: {$option_key}, found: {$stored_email}"); |
| 462 |
|
| 463 |
if (!empty($stored_email)) { |
| 464 |
//error_log("[DEBUG] mxchat_check_email_provided -> Email found, returning success"); |
| 465 |
wp_send_json_success(['email' => $stored_email]); |
| 466 |
} else { |
| 467 |
//error_log("[DEBUG] mxchat_check_email_provided -> No email found, returning error"); |
| 468 |
wp_send_json_error(['message' => esc_html__('No email found', 'mxchat')]); |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
|
| 473 |
// First, add this helper function to get the highest rate limit for a user's roles |
| 474 |
private function get_user_role_rate_limit($user_id) { |
| 475 |
//error_log(esc_html__("Checking rate limit for user ID: ", 'mxchat') . $user_id); |
| 476 |
|
| 477 |
if (!$user_id) { |
| 478 |
//error_log(esc_html__("No user ID provided, using logged-out limit: ", 'mxchat') . ($this->options['rate_limit_logged_out'] ?? '10')); |
| 479 |
return $this->options['rate_limit_logged_out'] ?? '10'; |
| 480 |
} |
| 481 |
|
| 482 |
$user = get_userdata($user_id); |
| 483 |
if (!$user || !$user->roles) { |
| 484 |
//error_log(esc_html__("No user data or roles found, using logged-out limit: ", 'mxchat') . ($this->options['rate_limit_logged_out'] ?? '10')); |
| 485 |
return $this->options['rate_limit_logged_out'] ?? '10'; |
| 486 |
} |
| 487 |
|
| 488 |
//error_log(esc_html__("User roles: ", 'mxchat') . print_r($user->roles, true)); |
| 489 |
//error_log(esc_html__("Available role rate limits: ", 'mxchat') . print_r($this->options['role_rate_limits'] ?? [], true)); |
| 490 |
|
| 491 |
$max_limit = 0; |
| 492 |
foreach ($user->roles as $role) { |
| 493 |
//error_log(esc_html__("Checking limit for role: ", 'mxchat') . $role); |
| 494 |
if (isset($this->options['role_rate_limits'][$role])) { |
| 495 |
$role_limit = $this->options['role_rate_limits'][$role]; |
| 496 |
//error_log(esc_html__("Found limit for role ", 'mxchat') . $role . esc_html__(": ", 'mxchat') . $role_limit); |
| 497 |
|
| 498 |
if ($role_limit === 'unlimited') { |
| 499 |
//error_log(esc_html__("Returning unlimited for role: ", 'mxchat') . $role); |
| 500 |
return 'unlimited'; |
| 501 |
} |
| 502 |
|
| 503 |
$max_limit = max($max_limit, (int)$role_limit); |
| 504 |
//error_log(esc_html__("Current max limit: ", 'mxchat') . $max_limit); |
| 505 |
} else { |
| 506 |
//error_log(esc_html__("No limit found for role: ", 'mxchat') . $role); |
| 507 |
} |
| 508 |
} |
| 509 |
|
| 510 |
$final_limit = $max_limit > 0 ? (string)$max_limit : '100'; |
| 511 |
//error_log(esc_html__("Final rate limit: ", 'mxchat') . $final_limit); |
| 512 |
return $final_limit; |
| 513 |
} |
| 514 |
|
| 515 |
|
| 516 |
// Add this to your plugin's main PHP file |
| 517 |
public function mxchat_check_new_messages() { |
| 518 |
if (!isset($_POST['session_id']) || !isset($_POST['last_seen_id'])) { |
| 519 |
wp_send_json_error(['message' => 'Missing required parameters']); |
| 520 |
wp_die(); |
| 521 |
} |
| 522 |
|
| 523 |
$session_id = sanitize_text_field($_POST['session_id']); |
| 524 |
$last_seen_id = sanitize_text_field($_POST['last_seen_id']); |
| 525 |
|
| 526 |
// Get chat history |
| 527 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 528 |
|
| 529 |
if (empty($history)) { |
| 530 |
wp_send_json_success([ |
| 531 |
'hasNewMessages' => false, |
| 532 |
'new_messages' => [] |
| 533 |
]); |
| 534 |
wp_die(); |
| 535 |
} |
| 536 |
|
| 537 |
// Filter new messages |
| 538 |
$new_messages = array_filter($history, function($message) use ($last_seen_id) { |
| 539 |
return isset($message['id']) && $message['id'] > $last_seen_id; |
| 540 |
}); |
| 541 |
|
| 542 |
// Sort by ID to ensure proper order |
| 543 |
usort($new_messages, function($a, $b) { |
| 544 |
return $a['id'] <=> $b['id']; |
| 545 |
}); |
| 546 |
|
| 547 |
wp_send_json_success([ |
| 548 |
'hasNewMessages' => !empty($new_messages), |
| 549 |
'new_messages' => array_values($new_messages), |
| 550 |
'latestMessageId' => end($new_messages)['id'] ?? $last_seen_id |
| 551 |
]); |
| 552 |
wp_die(); |
| 553 |
} |
| 554 |
|
| 555 |
public function mxchat_handle_chat_request() { |
| 556 |
global $wpdb; |
| 557 |
|
| 558 |
|
| 559 |
// Check if MX Chat Moderation is active |
| 560 |
if (class_exists('MX_Chat_Moderation')) { |
| 561 |
// Get user email and IP |
| 562 |
$user_email = ''; |
| 563 |
$user_ip = $_SERVER['REMOTE_ADDR']; |
| 564 |
|
| 565 |
// If user is logged in, get their email |
| 566 |
if (is_user_logged_in()) { |
| 567 |
$current_user = wp_get_current_user(); |
| 568 |
$user_email = $current_user->user_email; |
| 569 |
} |
| 570 |
|
| 571 |
// Create ban handler instance |
| 572 |
$ban_handler = new MX_Chat_Ban_Handler(); |
| 573 |
|
| 574 |
// Check if user is banned by IP |
| 575 |
if ($ban_handler->check_ban($user_ip, 'ip')) { |
| 576 |
wp_send_json([ |
| 577 |
'success' => false, |
| 578 |
'message' => esc_html__('Access denied. Your IP address has been banned.', 'mxchat'), |
| 579 |
'status' => 'banned' |
| 580 |
]); |
| 581 |
wp_die(); |
| 582 |
} |
| 583 |
|
| 584 |
// If user is logged in, also check email |
| 585 |
if (!empty($user_email) && $ban_handler->check_ban($user_email, 'email')) { |
| 586 |
wp_send_json([ |
| 587 |
'success' => false, |
| 588 |
'message' => esc_html__('Access denied. Your email address has been banned.', 'mxchat'), |
| 589 |
'status' => 'banned' |
| 590 |
]); |
| 591 |
wp_die(); |
| 592 |
} |
| 593 |
} |
| 594 |
|
| 595 |
|
| 596 |
// Reset fallback response at the start of each request |
| 597 |
$this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []]; |
| 598 |
$this->productCardHtml = ''; |
| 599 |
|
| 600 |
// Get the actual WordPress user ID if logged in |
| 601 |
$is_logged_in = is_user_logged_in(); |
| 602 |
if ($is_logged_in) { |
| 603 |
$user_id = get_current_user_id(); // This will get the actual WordPress user ID |
| 604 |
} else { |
| 605 |
// For logged-out users, use your existing identifier method |
| 606 |
$user_id = $this->mxchat_get_user_identifier(); |
| 607 |
} |
| 608 |
|
| 609 |
// Get and sanitize the user identifier |
| 610 |
$user_id = sanitize_key($user_id); |
| 611 |
|
| 612 |
// Determine if user is logged in |
| 613 |
$is_logged_in = is_user_logged_in(); |
| 614 |
//error_log("User logged in status: " . ($is_logged_in ? 'true' : 'false')); |
| 615 |
|
| 616 |
// Get rate limit based on user status |
| 617 |
// Get rate limit based on user status |
| 618 |
$rate_limit = $is_logged_in |
| 619 |
? $this->get_user_role_rate_limit($user_id) |
| 620 |
: ($this->options['rate_limit_logged_out'] ?? '10'); |
| 621 |
|
| 622 |
//error_log("Selected rate limit: " . $rate_limit); |
| 623 |
|
| 624 |
// Rest of your code remains the same |
| 625 |
// If rate limit is 'unlimited', skip rate limiting checks |
| 626 |
if ($rate_limit !== 'unlimited') { |
| 627 |
// Convert rate limit to integer |
| 628 |
$rate_limit = intval($rate_limit); |
| 629 |
// Setup rate limiting |
| 630 |
$rate_limit_transient_key = 'mxchat_chat_limit_' . $user_id; |
| 631 |
$chat_count = get_transient($rate_limit_transient_key); |
| 632 |
if ($chat_count === false) { |
| 633 |
// Initialize new counter if none exists |
| 634 |
$chat_count = 0; |
| 635 |
} |
| 636 |
// Check if user has exceeded their rate limit |
| 637 |
if ($chat_count >= $rate_limit) { |
| 638 |
// Get custom rate limit message or use default |
| 639 |
$rate_limit_message = isset($this->options['rate_limit_message']) |
| 640 |
? $this->options['rate_limit_message'] |
| 641 |
: esc_html__('Rate limit exceeded. Please try again later.', 'mxchat'); |
| 642 |
// Replace placeholder if it exists in the message |
| 643 |
$rate_limit_message = str_replace( |
| 644 |
array('{limit}', '{count}', '{remaining}'), |
| 645 |
array($rate_limit, $chat_count, max(0, $rate_limit - $chat_count)), |
| 646 |
$rate_limit_message |
| 647 |
); |
| 648 |
wp_send_json([ |
| 649 |
'success' => false, |
| 650 |
'message' => $rate_limit_message, |
| 651 |
'status' => 'rate_limit_exceeded', |
| 652 |
'limit' => $rate_limit, |
| 653 |
'count' => $chat_count |
| 654 |
]); |
| 655 |
wp_die(); |
| 656 |
} |
| 657 |
// Increment the counter |
| 658 |
$chat_count++; |
| 659 |
// Store the updated count with 24-hour expiration |
| 660 |
set_transient($rate_limit_transient_key, $chat_count, DAY_IN_SECONDS); |
| 661 |
} |
| 662 |
|
| 663 |
// Rest of your existing code... |
| 664 |
$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : ''; |
| 665 |
//error_log("Session ID: $session_id"); |
| 666 |
|
| 667 |
if (empty($session_id)) { |
| 668 |
//error_log("Error: Session ID is missing."); |
| 669 |
wp_send_json_error(esc_html__('Session ID is missing.', 'mxchat')); |
| 670 |
wp_die(); |
| 671 |
} |
| 672 |
|
| 673 |
// Validate and sanitize the incoming message |
| 674 |
if (empty($_POST['message'])) { |
| 675 |
//error_log("Error: No message received."); |
| 676 |
wp_send_json_error(esc_html__('No message received.', 'mxchat')); |
| 677 |
wp_die(); |
| 678 |
} |
| 679 |
|
| 680 |
|
| 681 |
// Modify the message sanitization to preserve PHP tags in code blocks |
| 682 |
$allowed_tags = [ |
| 683 |
'pre' => [], |
| 684 |
'code' => ['class' => true], |
| 685 |
'span' => ['class' => true], |
| 686 |
'div' => ['class' => true], |
| 687 |
]; |
| 688 |
|
| 689 |
// First preserve code blocks |
| 690 |
$message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) { |
| 691 |
return htmlspecialchars_decode($matches[0]); |
| 692 |
}, $_POST['message']); |
| 693 |
|
| 694 |
// Then apply sanitization |
| 695 |
$message = wp_kses($message, $allowed_tags); |
| 696 |
|
| 697 |
// Decode code blocks |
| 698 |
$message = preg_replace_callback('/(<pre><code.*?>.*?<\/code><\/pre>)/s', function($matches) { |
| 699 |
return htmlspecialchars_decode($matches[1]); |
| 700 |
}, $message); |
| 701 |
|
| 702 |
$message = trim($message); |
| 703 |
|
| 704 |
// Preserve code blocks from markdown conversion |
| 705 |
$message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message); |
| 706 |
|
| 707 |
// Save the user's message |
| 708 |
$this->mxchat_save_chat_message($session_id, 'user', $message); |
| 709 |
|
| 710 |
// Check if the message is an email address |
| 711 |
if (is_email($message)) { |
| 712 |
// Add the email to Loops |
| 713 |
$this->add_email_to_loops($message); |
| 714 |
|
| 715 |
// Send success response |
| 716 |
$response_message = $this->options['email_capture_response'] ?? |
| 717 |
esc_html__('Thank you! Your coupon is on the way!', 'mxchat'); |
| 718 |
|
| 719 |
wp_send_json([ |
| 720 |
'success' => true, |
| 721 |
'status' => 'email_captured', |
| 722 |
'message' => $response_message |
| 723 |
]); |
| 724 |
wp_die(); |
| 725 |
} |
| 726 |
|
| 727 |
$intent_info = ''; |
| 728 |
|
| 729 |
// Check chat mode |
| 730 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 731 |
//error_log("Chat Mode: $chat_mode"); |
| 732 |
|
| 733 |
// Handle agent mode |
| 734 |
if ($chat_mode === 'agent') { |
| 735 |
// First, check for switch intent before doing anything else |
| 736 |
$intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id); |
| 737 |
|
| 738 |
// If we matched an intent and it's the switch intent, handle it |
| 739 |
if ($intent_matched && !empty($this->fallbackResponse['text'])) { |
| 740 |
//error_log("Switch to chatbot intent detected"); |
| 741 |
|
| 742 |
// Update chat mode first |
| 743 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 744 |
|
| 745 |
// Clear any existing PDF context to start fresh |
| 746 |
$this->clear_pdf_transients($session_id); |
| 747 |
|
| 748 |
// Prepare clean switch response |
| 749 |
$response_data = [ |
| 750 |
'text' => $this->fallbackResponse['text'], |
| 751 |
'html' => '', |
| 752 |
'session_id' => $session_id, |
| 753 |
'chat_mode' => 'ai' |
| 754 |
]; |
| 755 |
|
| 756 |
// Save the mode switch message |
| 757 |
$this->mxchat_save_chat_message($session_id, 'system', esc_html__('Switched to AI chat mode', 'mxchat')); |
| 758 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']); |
| 759 |
|
| 760 |
// Send response and exit |
| 761 |
wp_send_json($response_data); |
| 762 |
wp_die(); |
| 763 |
} elseif (!$intent_matched) { |
| 764 |
// No intent matched, handle live agent message |
| 765 |
try { |
| 766 |
$this->mxchat_send_user_message_to_agent($message, $user_id, $session_id); |
| 767 |
//error_log("Message sent to agent."); |
| 768 |
|
| 769 |
wp_send_json_success([ |
| 770 |
'status' => 'waiting_for_agent', |
| 771 |
'message' => esc_html__('Message sent to live agent.', 'mxchat') |
| 772 |
]); |
| 773 |
} catch (\Exception $e) { |
| 774 |
//error_log("Error sending message to agent: " . $e->getMessage()); |
| 775 |
wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat')); |
| 776 |
} |
| 777 |
wp_die(); |
| 778 |
} |
| 779 |
} |
| 780 |
|
| 781 |
// Step 1: Check for new PDF URL in the message |
| 782 |
if (preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) { |
| 783 |
$new_pdf_url = $matches[0]; |
| 784 |
|
| 785 |
// Check if this is likely a PDF-related request |
| 786 |
$pdf_keywords = ['pdf', 'document', 'read', 'analyze']; |
| 787 |
$is_pdf_request = false; |
| 788 |
|
| 789 |
foreach ($pdf_keywords as $keyword) { |
| 790 |
if (stripos($message, $keyword) !== false) { |
| 791 |
$is_pdf_request = true; |
| 792 |
break; |
| 793 |
} |
| 794 |
} |
| 795 |
|
| 796 |
// If it looks like a PDF request or we're waiting for a PDF URL |
| 797 |
if ($is_pdf_request || get_transient('mxchat_waiting_for_pdf_url_' . $session_id)) { |
| 798 |
// Validate HTTPS |
| 799 |
if (wp_http_validate_url($new_pdf_url) && parse_url($new_pdf_url, PHP_URL_SCHEME) === 'https') { |
| 800 |
// Extract filename from URL |
| 801 |
$pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH)); |
| 802 |
|
| 803 |
// Clear previous PDF transients |
| 804 |
$this->clear_pdf_transients($session_id); |
| 805 |
|
| 806 |
// Process new PDF |
| 807 |
$max_pages = $this->options['pdf_max_pages'] ?? 69; |
| 808 |
$embeddings = $this->fetch_and_split_pdf_pages($new_pdf_url, $max_pages); |
| 809 |
|
| 810 |
if ($embeddings === 'too_many_pages') { |
| 811 |
$error_text = sprintf( |
| 812 |
$this->options['pdf_intent_error_text'] ?? |
| 813 |
esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'), |
| 814 |
$max_pages |
| 815 |
); |
| 816 |
$this->fallbackResponse['text'] = $error_text; |
| 817 |
} elseif ($embeddings) { |
| 818 |
// Store new PDF information |
| 819 |
// Create a more meaningful filename from URL |
| 820 |
$pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH)); |
| 821 |
|
| 822 |
// If the filename is generic (like results_download.php), create a more descriptive one |
| 823 |
if (in_array($pdf_filename, ['results_download.php', 'download.php', 'view.php', 'pdf.php']) || |
| 824 |
strpos($pdf_filename, '.php') !== false) { |
| 825 |
// Create a timestamp-based name |
| 826 |
$pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf'; |
| 827 |
} |
| 828 |
|
| 829 |
set_transient('mxchat_pdf_url_' . $session_id, $new_pdf_url, HOUR_IN_SECONDS); |
| 830 |
set_transient('mxchat_pdf_filename_' . $session_id, $pdf_filename, HOUR_IN_SECONDS); |
| 831 |
set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS); |
| 832 |
set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS); |
| 833 |
|
| 834 |
$success_text = $this->options['pdf_intent_success_text'] ?? |
| 835 |
esc_html__("I've processed the new PDF '{$pdf_filename}'. What questions do you have about it?", 'mxchat'); |
| 836 |
|
| 837 |
// Return success with filename for UI update |
| 838 |
wp_send_json([ |
| 839 |
'success' => true, |
| 840 |
'message' => $success_text, |
| 841 |
'data' => [ |
| 842 |
'filename' => $pdf_filename |
| 843 |
] |
| 844 |
]); |
| 845 |
wp_die(); |
| 846 |
} else { |
| 847 |
$error_text = $this->options['pdf_intent_error_text'] ?? |
| 848 |
esc_html__("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat'); |
| 849 |
$this->fallbackResponse['text'] = $error_text; |
| 850 |
} |
| 851 |
|
| 852 |
wp_send_json([ |
| 853 |
'success' => false, |
| 854 |
'message' => $this->fallbackResponse['text'] |
| 855 |
]); |
| 856 |
wp_die(); |
| 857 |
} |
| 858 |
} |
| 859 |
} |
| 860 |
|
| 861 |
// Step 2: Detect intent and handle intent-based responses |
| 862 |
$intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id); |
| 863 |
//error_log("Intent Matched: " . ($intent_matched ? "Yes" : "No")); |
| 864 |
|
| 865 |
// Step 3: If intent is matched and handled, respond immediately |
| 866 |
if ($intent_matched && (!empty($this->fallbackResponse['text']) || !empty($this->fallbackResponse['html']))) { |
| 867 |
//error_log("Intent response triggered."); |
| 868 |
$response_data = [ |
| 869 |
'text' => $this->fallbackResponse['text'], |
| 870 |
'html' => $this->fallbackResponse['html'], |
| 871 |
'session_id' => $session_id |
| 872 |
]; |
| 873 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text'] . $this->fallbackResponse['html']); |
| 874 |
wp_send_json($response_data); |
| 875 |
wp_die(); |
| 876 |
} |
| 877 |
|
| 878 |
// If no intent matched or product not found, proceed with AI response |
| 879 |
//error_log("No matching intent or fallback. Generating AI response."); |
| 880 |
|
| 881 |
// Step 4: Generate AI response |
| 882 |
$conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id); |
| 883 |
$this->mxchat_increment_chat_count(); |
| 884 |
|
| 885 |
// Generate embedding for the user's query |
| 886 |
$user_message_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']); |
| 887 |
if (!is_array($user_message_embedding)) { |
| 888 |
//error_log("Failed to generate message embedding for session $session_id"); |
| 889 |
wp_send_json_error(esc_html__('Error processing your message.', 'mxchat')); |
| 890 |
wp_die(); |
| 891 |
} |
| 892 |
|
| 893 |
// Build context with both knowledge base and PDF content if available |
| 894 |
$context_content = "User asked: '{$message}'\n\n"; |
| 895 |
|
| 896 |
// Get relevant content from knowledge base |
| 897 |
$relevant_content = $this->mxchat_find_relevant_content($user_message_embedding); |
| 898 |
if (!empty($relevant_content)) { |
| 899 |
$context_content .= "Relevant content from knowledge database:\n" . $relevant_content . "\n\n"; |
| 900 |
} |
| 901 |
|
| 902 |
|
| 903 |
// Check for and include PDF content |
| 904 |
$pdf_url = get_transient('mxchat_pdf_url_' . $session_id); |
| 905 |
$pdf_embeddings = get_transient('mxchat_pdf_embeddings_' . $session_id); |
| 906 |
$pdf_filename = get_transient('mxchat_pdf_filename_' . $session_id); |
| 907 |
if ($pdf_url && $pdf_embeddings && get_transient('mxchat_include_pdf_in_context_' . $session_id)) { |
| 908 |
$relevant_pdf_pages = $this->find_relevant_pdf_pages($user_message_embedding, $pdf_embeddings); |
| 909 |
if (!empty($relevant_pdf_pages)) { |
| 910 |
$context_content .= "Relevant content from PDF document '{$pdf_filename}':\n"; |
| 911 |
foreach ($relevant_pdf_pages as $page_data) { |
| 912 |
$context_content .= "Page {$page_data['page_number']} of '{$pdf_filename}': {$page_data['text']}\n"; |
| 913 |
} |
| 914 |
$context_content .= "\n"; |
| 915 |
} |
| 916 |
} |
| 917 |
|
| 918 |
// Check for and include Word content |
| 919 |
$word_url = get_transient('mxchat_word_url_' . $session_id); |
| 920 |
$word_embeddings = get_transient('mxchat_word_embeddings_' . $session_id); |
| 921 |
$word_filename = get_transient('mxchat_word_filename_' . $session_id); |
| 922 |
if ($word_url && $word_embeddings && get_transient('mxchat_include_word_in_context_' . $session_id)) { |
| 923 |
$relevant_word_chunks = $this->word_handler->mxchat_find_relevant_word_chunks($user_message_embedding, $word_embeddings); |
| 924 |
if (!empty($relevant_word_chunks)) { |
| 925 |
$context_content .= "Relevant content from Word document '{$word_filename}':\n"; |
| 926 |
foreach ($relevant_word_chunks as $chunk_data) { |
| 927 |
$context_content .= "Section {$chunk_data['chunk_number']} of '{$word_filename}': {$chunk_data['text']}\n"; |
| 928 |
} |
| 929 |
$context_content .= "\n"; |
| 930 |
} |
| 931 |
} |
| 932 |
// Generate the response using the full context |
| 933 |
$response = $this->mxchat_generate_response( |
| 934 |
$context_content, |
| 935 |
$this->options['api_key'], |
| 936 |
$this->options['xai_api_key'], |
| 937 |
$this->options['claude_api_key'], |
| 938 |
$this->options['deepseek_api_key'], |
| 939 |
$conversation_history |
| 940 |
); |
| 941 |
|
| 942 |
$this->mxchat_save_chat_message($session_id, 'bot', $response); |
| 943 |
|
| 944 |
// Step 5: Save additional content if available |
| 945 |
if (!empty($this->productCardHtml)) { |
| 946 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->productCardHtml); |
| 947 |
} |
| 948 |
|
| 949 |
if (!empty($this->fallbackResponse['html'])) { |
| 950 |
$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']); |
| 951 |
} |
| 952 |
|
| 953 |
// Step 6: Return the response |
| 954 |
$response_data = [ |
| 955 |
'text' => $response, |
| 956 |
'html' => !empty($this->productCardHtml) ? $this->productCardHtml : ($this->fallbackResponse['html'] ?? ''), |
| 957 |
'session_id' => $session_id |
| 958 |
]; |
| 959 |
|
| 960 |
wp_send_json($response_data); |
| 961 |
wp_die(); |
| 962 |
} |
| 963 |
|
| 964 |
|
| 965 |
// Helper function to clear PDF and Word document related transients |
| 966 |
private function clear_pdf_transients($session_id) { |
| 967 |
// PDF transients |
| 968 |
delete_transient('mxchat_pdf_url_' . $session_id); |
| 969 |
delete_transient('mxchat_pdf_embeddings_' . $session_id); |
| 970 |
delete_transient('mxchat_include_pdf_in_context_' . $session_id); |
| 971 |
delete_transient('mxchat_waiting_for_pdf_url_' . $session_id); |
| 972 |
|
| 973 |
// Word document transients |
| 974 |
delete_transient('mxchat_word_url_' . $session_id); |
| 975 |
delete_transient('mxchat_word_filename_' . $session_id); |
| 976 |
delete_transient('mxchat_word_embeddings_' . $session_id); |
| 977 |
delete_transient('mxchat_include_word_in_context_' . $session_id); |
| 978 |
delete_transient('mxchat_waiting_for_word_' . $session_id); |
| 979 |
} |
| 980 |
|
| 981 |
// New function to check intents and invoke the callback function |
| 982 |
private function mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id) { |
| 983 |
global $wpdb; |
| 984 |
$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai'); |
| 985 |
|
| 986 |
//error_log("[MxChat] Checking intents for message: " . $message); |
| 987 |
|
| 988 |
// Generate the user embedding |
| 989 |
$user_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']); |
| 990 |
if (!is_array($user_embedding)) { |
| 991 |
//error_log("[MxChat] Failed to generate user embedding"); |
| 992 |
return false; |
| 993 |
} |
| 994 |
|
| 995 |
// Fetch intents from the database |
| 996 |
$table_name = $wpdb->prefix . 'mxchat_intents'; |
| 997 |
if ($chat_mode === 'agent') { |
| 998 |
$query = $wpdb->prepare( |
| 999 |
"SELECT * FROM $table_name WHERE callback_function = %s", |
| 1000 |
'mxchat_handle_switch_to_chatbot_intent' |
| 1001 |
); |
| 1002 |
$intents = $wpdb->get_results($query); |
| 1003 |
} else { |
| 1004 |
$intents = $wpdb->get_results("SELECT * FROM $table_name"); |
| 1005 |
} |
| 1006 |
|
| 1007 |
//error_log("[MxChat] Found " . count($intents) . " intents to check"); |
| 1008 |
|
| 1009 |
if (empty($intents)) { |
| 1010 |
//error_log("[MxChat] No intents found in database"); |
| 1011 |
return false; |
| 1012 |
} |
| 1013 |
|
| 1014 |
$highest_similarity = -INF; |
| 1015 |
$matched_intent = null; |
| 1016 |
|
| 1017 |
foreach ($intents as $intent) { |
| 1018 |
//error_log("[MxChat] Checking intent: " . $intent->intent_label . " (callback: " . $intent->callback_function . ")"); |
| 1019 |
|
| 1020 |
$intent_embedding_serialized = $intent->embedding_vector; |
| 1021 |
$intent_embedding = $intent_embedding_serialized |
| 1022 |
? unserialize($intent_embedding_serialized, ['allowed_classes' => false]) |
| 1023 |
: null; |
| 1024 |
|
| 1025 |
if (!is_array($intent_embedding)) { |
| 1026 |
//error_log("[MxChat] Invalid embedding for intent: " . $intent->intent_label); |
| 1027 |
continue; |
| 1028 |
} |
| 1029 |
|
| 1030 |
$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding); |
| 1031 |
$intent_threshold = isset($intent->similarity_threshold) ? $intent->similarity_threshold : 0.85; |
| 1032 |
|
| 1033 |
//error_log("[MxChat] Similarity for {$intent->intent_label}: {$similarity} (threshold: {$intent_threshold})"); |
| 1034 |
|
| 1035 |
if ($similarity >= $intent_threshold && $similarity > $highest_similarity) { |
| 1036 |
$highest_similarity = $similarity; |
| 1037 |
$matched_intent = $intent; |
| 1038 |
//error_log("[MxChat] New best match: {$intent->intent_label} with similarity {$similarity}"); |
| 1039 |
} |
| 1040 |
} |
| 1041 |
|
| 1042 |
if ($matched_intent) { |
| 1043 |
//error_log("[MxChat] Invoking callback: " . $matched_intent->callback_function); |
| 1044 |
|
| 1045 |
// If the callback is a method on this instance (core callback), call it directly |
| 1046 |
if (method_exists($this, $matched_intent->callback_function)) { |
| 1047 |
$callback_result = call_user_func( |
| 1048 |
[$this, $matched_intent->callback_function], |
| 1049 |
$message, |
| 1050 |
$user_id, |
| 1051 |
$session_id, |
| 1052 |
$matched_intent |
| 1053 |
); |
| 1054 |
} else { |
| 1055 |
// Otherwise, use apply_filters for add-on callbacks |
| 1056 |
$callback_result = apply_filters( |
| 1057 |
$matched_intent->callback_function, |
| 1058 |
false, // default return value |
| 1059 |
$message, |
| 1060 |
$user_id, |
| 1061 |
$session_id, |
| 1062 |
$matched_intent |
| 1063 |
); |
| 1064 |
} |
| 1065 |
|
| 1066 |
//error_log("[MxChat] Callback result: " . print_r($callback_result, true)); |
| 1067 |
if ($callback_result !== false) { |
| 1068 |
$this->fallbackResponse = $callback_result; |
| 1069 |
return true; |
| 1070 |
} |
| 1071 |
} |
| 1072 |
|
| 1073 |
//error_log("[MxChat] No matching intent found"); |
| 1074 |
return false; |
| 1075 |
} |
| 1076 |
|
| 1077 |
|
| 1078 |
//verified good |
| 1079 |
public function mxchat_handle_order_history($message, $user_id, $session_id) { |
| 1080 |
if (!class_exists('WooCommerce')) { |
| 1081 |
$this->fallbackResponse['text'] = esc_html__("I can't access order information right now. The order system seems to be unavailable.", 'mxchat'); |
| 1082 |
return true; |
| 1083 |
} |
| 1084 |
|
| 1085 |
$orderDetails = MxChat_WooCommerce::mxchat_fetch_user_orders_details('all'); |
| 1086 |
|
| 1087 |
if (empty($orderDetails)) { |
| 1088 |
$this->fallbackResponse['text'] = esc_html__("I don't see any orders associated with your account. Are you logged in?", 'mxchat'); |
| 1089 |
return true; |
| 1090 |
} |
| 1091 |
|
| 1092 |
// Generate AI prompt with context |
| 1093 |
$prompt = __("User asked about their orders:", 'mxchat') . " '{$message}'\n\n"; |
| 1094 |
$prompt .= __("Order information:", 'mxchat') . "\n"; |
| 1095 |
foreach ($orderDetails as $order) { |
| 1096 |
$items_list = array_map(function($item) { |
| 1097 |
return "{$item['name']} ({$item['quantity']})"; |
| 1098 |
}, $order['items']); |
| 1099 |
|
| 1100 |
$prompt .= __("Order #", 'mxchat') . "{$order['order_id']}: {$order['formatted_total']} " . __("on", 'mxchat') . " {$order['date']}\n"; |
| 1101 |
$prompt .= __("Items:", 'mxchat') . " " . implode(', ', $items_list) . "\n"; |
| 1102 |
} |
| 1103 |
|
| 1104 |
$prompt .= __("\nProvide a natural, conversational response focusing on the specific information the user asked about. ", 'mxchat'); |
| 1105 |
$prompt .= __("If they ask about a specific order or detail, provide just that information. ", 'mxchat'); |
| 1106 |
$prompt .= __("If they ask about license keys or sensitive information, inform them to check their email or contact support.", 'mxchat'); |
| 1107 |
|
| 1108 |
// Get AI response |
| 1109 |
$ai_response = $this->mxchat_call_ai_api($prompt); |
| 1110 |
$this->fallbackResponse['text'] = $ai_response['text']; |
| 1111 |
|
| 1112 |
return true; |
| 1113 |
} |
| 1114 |
|
| 1115 |
|
| 1116 |
public function mxchat_handle_product_inquiry($message, $user_id, $session_id) { |
| 1117 |
//error_log("PRODUCT INQUIRY START - Message: $message, User ID: $user_id"); |
| 1118 |
|
| 1119 |
// Sanitize user ID |
| 1120 |
$sanitized_user_id = sanitize_key($user_id); |
| 1121 |
//error_log("Sanitized User ID: $sanitized_user_id"); |
| 1122 |
|
| 1123 |
// Find product |
| 1124 |
$product_id = $this->find_product_in_message($message); |
| 1125 |
//error_log("Initial product ID from message: " . ($product_id ?? 'null')); |
| 1126 |
|
| 1127 |
// Check transient if no product found |
| 1128 |
if (!$product_id) { |
| 1129 |
$product_id = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id); |
| 1130 |
//error_log("Product ID from transient: " . ($product_id ?? 'null')); |
| 1131 |
} |
| 1132 |
|
| 1133 |
// Handle product inquiries |
| 1134 |
if ($product_id && class_exists('WooCommerce')) { |
| 1135 |
$product = wc_get_product($product_id); |
| 1136 |
if ($product) { |
| 1137 |
//error_log("Found product: " . $product->get_name() . " (ID: $product_id)"); |
| 1138 |
|
| 1139 |
// Prepare product details |
| 1140 |
$product_name = esc_html($product->get_name()); |
| 1141 |
$product_price = $product->get_price_html(); |
| 1142 |
$product_image_url = esc_url(wp_get_attachment_url($product->get_image_id())); |
| 1143 |
$product_url = esc_url(get_permalink($product_id)); |
| 1144 |
$product_id_attr = esc_attr($product_id); |
| 1145 |
|
| 1146 |
// Get product description |
| 1147 |
$product_description = $product->get_description() ?: $product->get_short_description(); |
| 1148 |
|
| 1149 |
// Log embeddings process |
| 1150 |
//error_log("Generating embedding for message: $message"); |
| 1151 |
$user_message_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']); |
| 1152 |
//error_log("Finding relevant content for product inquiry"); |
| 1153 |
$relevant_content = $this->mxchat_find_relevant_content($user_message_embedding); |
| 1154 |
|
| 1155 |
// Build AI prompt |
| 1156 |
$ai_prompt = esc_html__("You are a knowledgeable product assistant. ", 'mxchat'); |
| 1157 |
$ai_prompt .= esc_html__("Respond to this user query: '{$message}'\n\n", 'mxchat'); |
| 1158 |
|
| 1159 |
if (!empty($relevant_content)) { |
| 1160 |
$ai_prompt .= esc_html__("Relevant information from our knowledge base:\n{$relevant_content}\n\n", 'mxchat'); |
| 1161 |
} |
| 1162 |
|
| 1163 |
$ai_prompt .= esc_html__("Product details:\n", 'mxchat'); |
| 1164 |
$ai_prompt .= esc_html__("Name: {$product_name}\n", 'mxchat'); |
| 1165 |
$ai_prompt .= esc_html__("Price: ", 'mxchat') . strip_tags($product_price) . "\n"; |
| 1166 |
if ($product_description) { |
| 1167 |
$ai_prompt .= esc_html__("Description: {$product_description}\n", 'mxchat'); |
| 1168 |
} |
| 1169 |
|
| 1170 |
$ai_prompt .= esc_html__("\nInstructions:\n", 'mxchat'); |
| 1171 |
$ai_prompt .= esc_html__("1. Address the user's specific question or concern about the product\n", 'mxchat'); |
| 1172 |
$ai_prompt .= esc_html__("2. Incorporate relevant information from our knowledge base if provided\n", 'mxchat'); |
| 1173 |
$ai_prompt .= esc_html__("3. Highlight key product features that relate to their query\n", 'mxchat'); |
| 1174 |
$ai_prompt .= esc_html__("4. Include a natural suggestion to check out the product\n", 'mxchat'); |
| 1175 |
$ai_prompt .= esc_html__("5. Keep the response conversational and helpful\n", 'mxchat'); |
| 1176 |
|
| 1177 |
//error_log("Sending AI prompt: " . $ai_prompt); |
| 1178 |
|
| 1179 |
// Build and log AI response |
| 1180 |
$ai_response = $this->mxchat_call_ai_api($ai_prompt); |
| 1181 |
//error_log("AI Response received for product inquiry: " . print_r($ai_response, true)); |
| 1182 |
|
| 1183 |
// Generate and log product card |
| 1184 |
$product_card_html = <<<HTML |
| 1185 |
<div class="mxchat-product-card"> |
| 1186 |
<a href="{$product_url}" target="_blank"> |
| 1187 |
<img src="{$product_image_url}" alt="{$product_name}" class="mxchat-product-image" /> |
| 1188 |
<h3 class="mxchat-product-name">{$product_name}</h3> |
| 1189 |
</a> |
| 1190 |
<div class="mxchat-product-price">{$product_price}</div> |
| 1191 |
<button class="mxchat-add-to-cart-button" data-product-id="{$product_id_attr}">Add to Cart</button> |
| 1192 |
</div> |
| 1193 |
HTML; |
| 1194 |
|
| 1195 |
// Save response and set transient |
| 1196 |
$this->productCardHtml = $product_card_html; |
| 1197 |
$this->fallbackResponse = [ |
| 1198 |
'text' => $ai_response['text'], |
| 1199 |
'html' => $this->productCardHtml, |
| 1200 |
]; |
| 1201 |
|
| 1202 |
//error_log("Setting transient for product: $product_id with key: mxchat_last_discussed_product_$sanitized_user_id"); |
| 1203 |
set_transient('mxchat_last_discussed_product_' . $sanitized_user_id, $product_id, HOUR_IN_SECONDS); |
| 1204 |
|
| 1205 |
// Verify transient was set |
| 1206 |
$verify_transient = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id); |
| 1207 |
//error_log("Verification - Retrieved transient value: " . ($verify_transient ?? 'null')); |
| 1208 |
|
| 1209 |
return true; |
| 1210 |
} |
| 1211 |
} |
| 1212 |
|
| 1213 |
//error_log("PRODUCT INQUIRY END - No product found or WooCommerce not available"); |
| 1214 |
return false; |
| 1215 |
} |
| 1216 |
|
| 1217 |
//verified good |
| 1218 |
public function mxchat_handle_email_capture($message, $user_id, $session_id) { |
| 1219 |
// Log the message safely |
| 1220 |
//error_log("Triggered email capture intent for message: " . sanitize_text_field($message)); |
| 1221 |
|
| 1222 |
// Initiate email capture flow |
| 1223 |
$response = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Would you like to join our mailing list? Please provide your email below.", 'mxchat')); |
| 1224 |
|
| 1225 |
set_transient('mxchat_email_capture_' . $user_id, true, 5 * MINUTE_IN_SECONDS); |
| 1226 |
$this->mxchat_save_chat_message($session_id, 'bot', $response); |
| 1227 |
|
| 1228 |
// Respond to the user |
| 1229 |
wp_send_json(['message' => $response]); |
| 1230 |
wp_die(); |
| 1231 |
} |
| 1232 |
|
| 1233 |
//very good |
| 1234 |
public function mxchat_generate_image($message, $user_id, $session_id) { |
| 1235 |
// Prepare a prompt for DALL-E |
| 1236 |
$prompt = esc_html__('Create an image of ', 'mxchat') . sanitize_text_field($message); |
| 1237 |
|
| 1238 |
// Use the existing OpenAI API key |
| 1239 |
$openai_api_key = sanitize_text_field($this->options['api_key']); |
| 1240 |
|
| 1241 |
// Call DALL-E to generate an image |
| 1242 |
$image_response = $this->mxchat_generate_dalle_image($prompt, $openai_api_key); |
| 1243 |
|
| 1244 |
// Check if the response contains an image URL |
| 1245 |
if (isset($image_response['imageUrl'])) { |
| 1246 |
$image_url = esc_url_raw($image_response['imageUrl']); |
| 1247 |
|
| 1248 |
// Construct the HTML with a CSS class instead of inline styles |
| 1249 |
$response_html = '<img src="' . esc_url($image_url) . '" alt="' . esc_attr__('Generated Image', 'mxchat') . '" class="mxchat-generated-image" />'; |
| 1250 |
|
| 1251 |
$response_text = esc_html__('Here is the image I generated:', 'mxchat'); |
| 1252 |
} else { |
| 1253 |
$response_text = esc_html__("I'm sorry, but I couldn't generate an image based on your request.", 'mxchat'); |
| 1254 |
$response_html = ''; |
| 1255 |
//error_log("DALL-E image generation error: " . esc_html($image_response['error'] ?? 'Unknown error.')); |
| 1256 |
} |
| 1257 |
|
| 1258 |
// Save both text and HTML responses |
| 1259 |
$this->mxchat_save_chat_message($session_id, 'bot', $response_text . "\n" . $response_html); |
| 1260 |
|
| 1261 |
// Prepare the response data |
| 1262 |
$response_data = [ |
| 1263 |
'message' => $response_text, |
| 1264 |
'html' => $response_html, |
| 1265 |
'image_url' => $image_url ?? '', |
| 1266 |
]; |
| 1267 |
|
| 1268 |
// Send the JSON response |
| 1269 |
header('Content-Type: application/json; charset=' . get_option('blog_charset')); |
| 1270 |
echo json_encode($response_data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); |
| 1271 |
wp_die(); |
| 1272 |
} |
| 1273 |
private function mxchat_generate_dalle_image($prompt, $api_key, $model = 'dall-e-3', $timeout = 60) { |
| 1274 |
$api_url = 'https://api.openai.com/v1/images/generations'; |
| 1275 |
$body = json_encode([ |
| 1276 |
'prompt' => sanitize_text_field($prompt), |
| 1277 |
'n' => 1, |
| 1278 |
'size' => '1024x1024', |
| 1279 |
'model' => sanitize_text_field($model), |
| 1280 |
]); |
| 1281 |
|
| 1282 |
$args = [ |
| 1283 |
'body' => $body, |
| 1284 |
'headers' => [ |
| 1285 |
'Content-Type' => 'application/json', |
| 1286 |
'Authorization' => 'Bearer ' . sanitize_text_field($api_key), |
| 1287 |
], |
| 1288 |
'method' => 'POST', |
| 1289 |
'timeout' => absint($timeout), |
| 1290 |
]; |
| 1291 |
|
| 1292 |
$response = wp_remote_post($api_url, $args); |
| 1293 |
|
| 1294 |
if (is_wp_error($response)) { |
| 1295 |
//error_log("DALL-E request failed: " . $response->get_error_message()); |
| 1296 |
return ['error' => esc_html__('Error generating image: ', 'mxchat') . $response->get_error_message()]; |
| 1297 |
} |
| 1298 |
|
| 1299 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 1300 |
|
| 1301 |
if (isset($response_body['data'][0]['url'])) { |
| 1302 |
return ['imageUrl' => esc_url_raw($response_body['data'][0]['url'])]; |
| 1303 |
} else { |
| 1304 |
//error_log("DALL-E response error: " . wp_remote_retrieve_body($response)); |
| 1305 |
return ['error' => esc_html__('Failed to generate image.', 'mxchat')]; |
| 1306 |
} |
| 1307 |
} |
| 1308 |
|
| 1309 |
/** |
| 1310 |
* Handle web search requests. |
| 1311 |
* |
| 1312 |
* Sends the refined search query to the Brave Search API and displays neatly formatted, |
| 1313 |
* styled search results. Results are cached for performance. |
| 1314 |
* |
| 1315 |
* @since 1.0.0 |
| 1316 |
* @param string $message The user's search query. |
| 1317 |
* @param string $user_id The user identifier. |
| 1318 |
* @param string $session_id The current session ID. |
| 1319 |
* @return void |
| 1320 |
*/ |
| 1321 |
public function mxchat_handle_search_request( $message, $user_id, $session_id ) { |
| 1322 |
// Step 1: Interpret and refine the search query |
| 1323 |
$refined_search_query = $this->mxchat_interpret_search_query( $message ); |
| 1324 |
|
| 1325 |
if ( empty( $refined_search_query ) ) { |
| 1326 |
$this->fallbackResponse = array( |
| 1327 |
'text' => esc_html__( 'I apologize, but could you please rephrase your search request?', 'mxchat' ), |
| 1328 |
); |
| 1329 |
return; |
| 1330 |
} |
| 1331 |
|
| 1332 |
// Retrieve and validate API settings |
| 1333 |
$options = get_option( 'mxchat_options' ); |
| 1334 |
$api_key = isset( $options['brave_api_key'] ) ? sanitize_text_field( $options['brave_api_key'] ) : ''; |
| 1335 |
$results_count = isset( $options['brave_results_count'] ) ? absint( $options['brave_results_count'] ) : 5; |
| 1336 |
|
| 1337 |
if ( empty( $api_key ) ) { |
| 1338 |
$this->fallbackResponse = array( |
| 1339 |
'text' => esc_html__( 'Search functionality is temporarily unavailable. Please try again later.', 'mxchat' ), |
| 1340 |
); |
| 1341 |
return; |
| 1342 |
} |
| 1343 |
|
| 1344 |
// Build the API request URL |
| 1345 |
$api_url = add_query_arg( |
| 1346 |
array( |
| 1347 |
'q' => rawurlencode( $refined_search_query ), |
| 1348 |
'count' => $results_count, |
| 1349 |
'text_decorations' => 'true', |
| 1350 |
'rich_data' => 'true', |
| 1351 |
), |
| 1352 |
'https://api.search.brave.com/res/v1/web/search' |
| 1353 |
); |
| 1354 |
|
| 1355 |
// Attempt to retrieve cached results first |
| 1356 |
$transient_key = 'mxchat_search_' . md5( $refined_search_query ); |
| 1357 |
$results = get_transient( $transient_key ); |
| 1358 |
|
| 1359 |
if ( false === $results ) { |
| 1360 |
// Fetch new results from the Brave Search API |
| 1361 |
$response = wp_remote_get( |
| 1362 |
$api_url, |
| 1363 |
array( |
| 1364 |
'headers' => array( |
| 1365 |
'Accept' => 'application/json', |
| 1366 |
'Accept-Encoding' => 'gzip', |
| 1367 |
'X-Subscription-Token'=> $api_key, |
| 1368 |
), |
| 1369 |
'timeout' => 10, |
| 1370 |
) |
| 1371 |
); |
| 1372 |
|
| 1373 |
if ( is_wp_error( $response ) ) { |
| 1374 |
$this->fallbackResponse = array( |
| 1375 |
'text' => esc_html__( 'I encountered an error while searching. Please try again.', 'mxchat' ), |
| 1376 |
); |
| 1377 |
return; |
| 1378 |
} |
| 1379 |
|
| 1380 |
$results = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 1381 |
|
| 1382 |
if ( json_last_error() !== JSON_ERROR_NONE ) { |
| 1383 |
$this->fallbackResponse = array( |
| 1384 |
'text' => esc_html__( 'I received an invalid response from the search service.', 'mxchat' ), |
| 1385 |
); |
| 1386 |
return; |
| 1387 |
} |
| 1388 |
|
| 1389 |
// Cache results for one hour |
| 1390 |
set_transient( $transient_key, $results, HOUR_IN_SECONDS ); |
| 1391 |
} |
| 1392 |
|
| 1393 |
// Process and display results |
| 1394 |
if ( ! empty( $results['web']['results'] ) && is_array( $results['web']['results'] ) ) { |
| 1395 |
$html = $this->generate_search_results_html( $results['web']['results'], $refined_search_query ); |
| 1396 |
|
| 1397 |
// Only return HTML (no large text summary) |
| 1398 |
$this->fallbackResponse = array( |
| 1399 |
'html' => $html, |
| 1400 |
); |
| 1401 |
|
| 1402 |
// Save to chat history |
| 1403 |
$this->mxchat_save_chat_message( $session_id, 'bot', $html ); |
| 1404 |
} else { |
| 1405 |
$this->fallbackResponse = array( |
| 1406 |
'text' => sprintf( |
| 1407 |
esc_html__( 'I couldn\'t find any relevant results for "%s". Would you like to try different search terms?', 'mxchat' ), |
| 1408 |
esc_html( $refined_search_query ) |
| 1409 |
), |
| 1410 |
); |
| 1411 |
} |
| 1412 |
} |
| 1413 |
|
| 1414 |
|
| 1415 |
/** |
| 1416 |
* Format search results into a natural text summary. |
| 1417 |
* |
| 1418 |
* @since 1.0.0 |
| 1419 |
* @param array $results The search results from the API. |
| 1420 |
* @param string $query The original search query. |
| 1421 |
* @return string The text summary of the top results. |
| 1422 |
*/ |
| 1423 |
private function format_search_results( $results, $query ) { |
| 1424 |
$summary = sprintf( |
| 1425 |
esc_html__( 'Here are the most relevant results for "%s":', 'mxchat' ), |
| 1426 |
esc_html( $query ) |
| 1427 |
) . "\n\n"; |
| 1428 |
|
| 1429 |
$max_results = min( count( $results ), 3 ); |
| 1430 |
for ( $i = 0; $i < $max_results; $i++ ) { |
| 1431 |
$result = $results[ $i ]; |
| 1432 |
$title = isset( $result['title'] ) ? wp_strip_all_tags( $result['title'] ) : ''; |
| 1433 |
$description = isset( $result['description'] ) ? wp_strip_all_tags( $result['description'] ) : ''; |
| 1434 |
|
| 1435 |
// Append title and description to the summary |
| 1436 |
$summary .= sprintf( |
| 1437 |
"%s\n%s\n\n", |
| 1438 |
esc_html( $title ), |
| 1439 |
esc_html( $description ) |
| 1440 |
); |
| 1441 |
} |
| 1442 |
|
| 1443 |
return $summary; |
| 1444 |
} |
| 1445 |
|
| 1446 |
/** |
| 1447 |
* Generate HTML markup for search results. |
| 1448 |
* |
| 1449 |
* @since 1.0.0 |
| 1450 |
* @param array $results The search results from the API. |
| 1451 |
* @param string $query The user-refined query. |
| 1452 |
* @return string The HTML markup for displaying the results. |
| 1453 |
*/ |
| 1454 |
private function generate_search_results_html( $results, $query ) { |
| 1455 |
ob_start(); |
| 1456 |
?> |
| 1457 |
<div class="mxchat-search-results"> |
| 1458 |
<?php foreach ( $results as $result ) : |
| 1459 |
$title = isset( $result['title'] ) ? wp_strip_all_tags( $result['title'] ) : ''; |
| 1460 |
$url = isset( $result['url'] ) ? esc_url( $result['url'] ) : '#'; |
| 1461 |
$description = isset( $result['description'] ) ? wp_strip_all_tags( $result['description'] ) : ''; |
| 1462 |
$favicon = isset( $result['meta_url']['favicon'] ) ? esc_url( $result['meta_url']['favicon'] ) : ''; |
| 1463 |
$thumbnail = isset( $result['thumbnail']['src'] ) ? esc_url( $result['thumbnail']['src'] ) : ''; |
| 1464 |
$domain = parse_url( $url, PHP_URL_HOST ); |
| 1465 |
?> |
| 1466 |
<div class="mxchat-search-item"> |
| 1467 |
<div class="mxchat-search-header"> |
| 1468 |
<?php if ( $favicon ) : ?> |
| 1469 |
<img |
| 1470 |
src="<?php echo esc_url( $favicon ); ?>" |
| 1471 |
class="mxchat-site-icon" |
| 1472 |
alt="<?php echo esc_attr__( 'Site icon', 'mxchat' ); ?>" |
| 1473 |
width="16" |
| 1474 |
height="16" |
| 1475 |
/> |
| 1476 |
<?php endif; ?> |
| 1477 |
<div class="mxchat-site-url"><?php echo esc_html( $domain ); ?></div> |
| 1478 |
</div> |
| 1479 |
|
| 1480 |
<div class="mxchat-search-content"> |
| 1481 |
<h3 class="mxchat-search-title"> |
| 1482 |
<a href="<?php echo esc_url( $url ); ?>" |
| 1483 |
target="_blank" |
| 1484 |
rel="noopener noreferrer" |
| 1485 |
> |
| 1486 |
<?php echo esc_html( $title ); ?> |
| 1487 |
</a> |
| 1488 |
</h3> |
| 1489 |
|
| 1490 |
<?php if ( $thumbnail ) : ?> |
| 1491 |
<div class="mxchat-search-thumbnail"> |
| 1492 |
<img |
| 1493 |
src="<?php echo esc_url( $thumbnail ); ?>" |
| 1494 |
alt="<?php echo esc_attr__( 'Thumbnail image', 'mxchat' ); ?>" |
| 1495 |
loading="lazy" |
| 1496 |
/> |
| 1497 |
</div> |
| 1498 |
<?php endif; ?> |
| 1499 |
|
| 1500 |
<div class="mxchat-search-description"> |
| 1501 |
<?php echo esc_html( $description ); ?> |
| 1502 |
</div> |
| 1503 |
</div> |
| 1504 |
</div> |
| 1505 |
<?php endforeach; ?> |
| 1506 |
</div> |
| 1507 |
<?php |
| 1508 |
return ob_get_clean(); |
| 1509 |
} |
| 1510 |
|
| 1511 |
|
| 1512 |
//very good |
| 1513 |
public function mxchat_handle_image_search_request($message, $user_id, $session_id) { |
| 1514 |
|
| 1515 |
// Step 1: Interpret the search query for better results |
| 1516 |
$refined_search_query = $this->mxchat_interpret_search_query($message); |
| 1517 |
|
| 1518 |
|
| 1519 |
// If no query was interpreted, return a fallback message |
| 1520 |
if (empty($refined_search_query)) { |
| 1521 |
$this->fallbackResponse = [ |
| 1522 |
'text' => __("I'm sorry, I couldn't interpret your search query. Please specify what you'd like to see images of.", 'mxchat'), |
| 1523 |
'html' => "", |
| 1524 |
]; |
| 1525 |
return; |
| 1526 |
} |
| 1527 |
|
| 1528 |
// Brave API URL |
| 1529 |
$api_url = 'https://api.search.brave.com/res/v1/images/search'; |
| 1530 |
|
| 1531 |
// Retrieve Brave API settings |
| 1532 |
$options = get_option('mxchat_options'); |
| 1533 |
$api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : ''; |
| 1534 |
|
| 1535 |
if (empty($api_key)) { |
| 1536 |
/* |
| 1537 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 1538 |
error_log("Brave API key is missing."); |
| 1539 |
} |
| 1540 |
*/ |
| 1541 |
|
| 1542 |
$this->fallbackResponse = [ |
| 1543 |
'text' => __("API key is not configured. Please set it in the Brave Search Settings.", 'mxchat'), |
| 1544 |
'html' => "", |
| 1545 |
]; |
| 1546 |
return; |
| 1547 |
} |
| 1548 |
|
| 1549 |
$image_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4; |
| 1550 |
$safe_search = isset($options['brave_safe_search']) ? sanitize_text_field($options['brave_safe_search']) : 'strict'; |
| 1551 |
|
| 1552 |
// Append query parameters based on settings |
| 1553 |
$api_url = add_query_arg([ |
| 1554 |
'q' => rawurlencode($refined_search_query), |
| 1555 |
'count' => $image_count, |
| 1556 |
'safesearch' => $safe_search, |
| 1557 |
], $api_url); |
| 1558 |
|
| 1559 |
/* |
| 1560 |
// Log the final API URL for the search |
| 1561 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 1562 |
error_log("Final API URL for Brave Image Search: " . esc_url_raw($api_url)); |
| 1563 |
} |
| 1564 |
*/ |
| 1565 |
|
| 1566 |
|
| 1567 |
// Implement caching |
| 1568 |
$transient_key = 'mxchat_image_search_' . md5($refined_search_query); |
| 1569 |
$body = get_transient($transient_key); |
| 1570 |
|
| 1571 |
if (false === $body) { |
| 1572 |
$args = [ |
| 1573 |
'headers' => [ |
| 1574 |
'Accept' => 'application/json', |
| 1575 |
'Accept-Encoding' => 'gzip', |
| 1576 |
'X-Subscription-Token' => $api_key, |
| 1577 |
], |
| 1578 |
'timeout' => 10, |
| 1579 |
]; |
| 1580 |
|
| 1581 |
$response = wp_remote_get($api_url, $args); |
| 1582 |
|
| 1583 |
if (is_wp_error($response)) { |
| 1584 |
/* |
| 1585 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 1586 |
error_log("Brave Image API request failed: " . $response->get_error_message()); |
| 1587 |
} |
| 1588 |
*/ |
| 1589 |
|
| 1590 |
$this->fallbackResponse = [ |
| 1591 |
'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'), |
| 1592 |
'html' => "", |
| 1593 |
]; |
| 1594 |
return; |
| 1595 |
} |
| 1596 |
|
| 1597 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 1598 |
set_transient($transient_key, $body, HOUR_IN_SECONDS); |
| 1599 |
} |
| 1600 |
|
| 1601 |
// Process the API response |
| 1602 |
if (isset($body['results']) && is_array($body['results']) && count($body['results']) > 0) { |
| 1603 |
$html_output = '<div class="mxchat-image-gallery">'; |
| 1604 |
|
| 1605 |
foreach ($body['results'] as $image) { |
| 1606 |
$image_url = isset($image['url']) ? esc_url($image['url']) : ''; |
| 1607 |
$thumbnail_url = isset($image['thumbnail']['src']) ? esc_url($image['thumbnail']['src']) : ''; |
| 1608 |
$title = isset($image['title']) ? esc_html($image['title']) : esc_html__('Image', 'mxchat'); |
| 1609 |
|
| 1610 |
if ($image_url && $thumbnail_url) { |
| 1611 |
$html_output .= '<div class="mxchat-image-item">'; |
| 1612 |
$html_output .= '<strong class="mxchat-image-title">' . $title . '</strong>'; |
| 1613 |
$html_output .= '<a href="' . $image_url . '" target="_blank" rel="noopener noreferrer" class="mxchat-image-link">'; |
| 1614 |
$html_output .= '<img src="' . $thumbnail_url . '" alt="' . $title . '" class="mxchat-image-thumbnail">'; |
| 1615 |
$html_output .= '</a></div>'; |
| 1616 |
} |
| 1617 |
} |
| 1618 |
|
| 1619 |
$html_output .= '</div>'; |
| 1620 |
|
| 1621 |
$this->fallbackResponse = [ |
| 1622 |
'text' => "", |
| 1623 |
'html' => $html_output, |
| 1624 |
]; |
| 1625 |
|
| 1626 |
// Save response in chat history |
| 1627 |
$this->mxchat_save_chat_message($session_id, 'bot', $html_output); |
| 1628 |
|
| 1629 |
} else { |
| 1630 |
/* |
| 1631 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 1632 |
error_log("Brave Image API response did not contain expected data structure or was empty: " . print_r($body, true)); |
| 1633 |
} |
| 1634 |
*/ |
| 1635 |
|
| 1636 |
$this->fallbackResponse = [ |
| 1637 |
'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'), |
| 1638 |
'html' => "", |
| 1639 |
]; |
| 1640 |
} |
| 1641 |
} |
| 1642 |
public function mxchat_interpret_search_query($user_query) { |
| 1643 |
$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'); |
| 1644 |
|
| 1645 |
// Retrieve OpenAI API key using 'api_key' as the option key |
| 1646 |
$api_key = isset($this->options['api_key']) ? sanitize_text_field($this->options['api_key']) : sanitize_text_field(get_option('mxchat_options')['api_key']); |
| 1647 |
|
| 1648 |
/* |
| 1649 |
// Log the API key check, without exposing the key |
| 1650 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 1651 |
error_log("Retrieved OpenAI API Key: " . ($api_key ? "Present" : "Missing")); |
| 1652 |
} |
| 1653 |
*/ |
| 1654 |
|
| 1655 |
if (empty($api_key)) { |
| 1656 |
//error_log("OpenAI API key is missing."); |
| 1657 |
return sanitize_text_field($user_query); // Default to the original query if API key is missing |
| 1658 |
} |
| 1659 |
|
| 1660 |
$url = 'https://api.openai.com/v1/chat/completions'; |
| 1661 |
$args = [ |
| 1662 |
'headers' => [ |
| 1663 |
'Authorization' => 'Bearer ' . $api_key, |
| 1664 |
'Content-Type' => 'application/json', |
| 1665 |
], |
| 1666 |
'body' => wp_json_encode([ |
| 1667 |
'model' => 'gpt-3.5-turbo', |
| 1668 |
'messages' => [ |
| 1669 |
['role' => 'system', 'content' => $system_prompt], |
| 1670 |
['role' => 'user', 'content' => sanitize_text_field($user_query)], |
| 1671 |
], |
| 1672 |
'temperature' => 0.2, |
| 1673 |
'max_tokens' => 20, |
| 1674 |
]), |
| 1675 |
'method' => 'POST', |
| 1676 |
]; |
| 1677 |
|
| 1678 |
$response = wp_remote_post($url, $args); |
| 1679 |
|
| 1680 |
if (is_wp_error($response)) { |
| 1681 |
//error_log("OpenAI request failed: " . $response->get_error_message()); |
| 1682 |
return sanitize_text_field($user_query); // Fallback to the original query if there's an error |
| 1683 |
} |
| 1684 |
|
| 1685 |
$body = json_decode(wp_remote_retrieve_body($response), true); |
| 1686 |
|
| 1687 |
// Check for a valid response and sanitize output |
| 1688 |
if (isset($body['choices'][0]['message']['content'])) { |
| 1689 |
$interpreted_query = sanitize_text_field(trim($body['choices'][0]['message']['content'])); |
| 1690 |
|
| 1691 |
/* |
| 1692 |
// Log the interpreted query for debugging |
| 1693 |
if (defined('WP_DEBUG') && WP_DEBUG) { |
| 1694 |
error_log("Interpreted search query: " . $interpreted_query); |
| 1695 |
} |
| 1696 |
*/ |
| 1697 |
|
| 1698 |
return $interpreted_query; |
| 1699 |
} else { |
| 1700 |
//error_log("Unexpected API response format: " . print_r($body, true)); |
| 1701 |
return sanitize_text_field($user_query); |
| 1702 |
} |
| 1703 |
} |
| 1704 |
|
| 1705 |
public function mxchat_handle_add_to_cart_intent($message, $user_id, $session_id) { |
| 1706 |
//error_log("ADD TO CART START - Message: $message, User ID: $user_id"); |
| 1707 |
|
| 1708 |
if (!class_exists('WooCommerce')) { |
| 1709 |
//error_log("WooCommerce not available"); |
| 1710 |
return $this->generate_intent_response([ |
| 1711 |
'intent' => 'add_to_cart', |
| 1712 |
'status' => 'error', |
| 1713 |
'reason' => esc_html__('woocommerce_not_available', 'mxchat') |
| 1714 |
], $session_id); |
| 1715 |
} |
| 1716 |
|
| 1717 |
$sanitized_user_id = sanitize_key($user_id); |
| 1718 |
// error_log("Sanitized User ID: $sanitized_user_id"); |
| 1719 |
$product_id = null; |
| 1720 |
|
| 1721 |
// If button click, use transient |
| 1722 |
if ($message === '!addtocart') { |
| 1723 |
//error_log("Button click detected - using transient"); |
| 1724 |
$product_id = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id); |
| 1725 |
//error_log("Product ID from transient: " . ($product_id ?? 'null')); |
| 1726 |
} else { |
| 1727 |
// For text commands, search message first |
| 1728 |
//error_log("Text command detected - searching message first"); |
| 1729 |
$product_id = $this->find_product_in_message($message); |
| 1730 |
//error_log("Product ID from message search: " . ($product_id ?? 'null')); |
| 1731 |
|
| 1732 |
// Only use transient as fallback if no product found in message |
| 1733 |
if (!$product_id) { |
| 1734 |
//error_log("No product found in message, checking transient as fallback"); |
| 1735 |
$product_id = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id); |
| 1736 |
//error_log("Product ID from transient fallback: " . ($product_id ?? 'null')); |
| 1737 |
} |
| 1738 |
} |
| 1739 |
|
| 1740 |
// Handle no product found |
| 1741 |
if (!$product_id) { |
| 1742 |
//error_log("No product ID found through any method"); |
| 1743 |
return $this->generate_intent_response([ |
| 1744 |
'intent' => 'add_to_cart', |
| 1745 |
'status' => 'error', |
| 1746 |
'reason' => esc_html__('no_product_context', 'mxchat'), |
| 1747 |
'action_needed' => esc_html__('request_product_name', 'mxchat'), |
| 1748 |
'searched_message' => $message |
| 1749 |
], $session_id); |
| 1750 |
} |
| 1751 |
|
| 1752 |
// Get and verify product |
| 1753 |
$product = wc_get_product($product_id); |
| 1754 |
if (!$product) { |
| 1755 |
//error_log("Product not found with ID: $product_id"); |
| 1756 |
return $this->generate_intent_response([ |
| 1757 |
'intent' => 'add_to_cart', |
| 1758 |
'status' => 'error', |
| 1759 |
'reason' => esc_html__('product_not_found', 'mxchat'), |
| 1760 |
'product_id' => $product_id |
| 1761 |
], $session_id); |
| 1762 |
} |
| 1763 |
|
| 1764 |
//error_log("Found product: " . $product->get_name() . " (ID: $product_id)"); |
| 1765 |
|
| 1766 |
// Add to cart |
| 1767 |
$added = WC()->cart->add_to_cart($product_id); |
| 1768 |
if ($added) { |
| 1769 |
//error_log("Successfully added to cart: " . $product->get_name()); |
| 1770 |
return $this->generate_intent_response([ |
| 1771 |
'intent' => 'add_to_cart', |
| 1772 |
'status' => 'success', |
| 1773 |
'product' => [ |
| 1774 |
'name' => $product->get_name(), |
| 1775 |
'id' => $product_id |
| 1776 |
], |
| 1777 |
'cart_url' => wc_get_cart_url(), |
| 1778 |
'available_actions' => [ |
| 1779 |
esc_html__('view_cart', 'mxchat'), |
| 1780 |
esc_html__('checkout', 'mxchat'), |
| 1781 |
esc_html__('continue_shopping', 'mxchat') |
| 1782 |
] |
| 1783 |
], $session_id); |
| 1784 |
} else { |
| 1785 |
//error_log("Failed to add to cart: " . $product->get_name()); |
| 1786 |
return $this->generate_intent_response([ |
| 1787 |
'intent' => 'add_to_cart', |
| 1788 |
'status' => 'error', |
| 1789 |
'reason' => esc_html__('add_to_cart_failed', 'mxchat'), |
| 1790 |
'product' => [ |
| 1791 |
'name' => $product->get_name(), |
| 1792 |
'id' => $product_id |
| 1793 |
] |
| 1794 |
], $session_id); |
| 1795 |
} |
| 1796 |
} |
| 1797 |
private function find_product_in_message($message) { |
| 1798 |
global $wpdb; |
| 1799 |
|
| 1800 |
// Get embedding for the search query |
| 1801 |
$query_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']); |
| 1802 |
if (!is_array($query_embedding)) { |
| 1803 |
return null; |
| 1804 |
} |
| 1805 |
|
| 1806 |
// Get relevant content as string |
| 1807 |
$relevant_content = $this->mxchat_find_relevant_products($query_embedding); |
| 1808 |
if (empty($relevant_content)) { |
| 1809 |
// Return null to indicate no results and set fallback response |
| 1810 |
$this->fallbackResponse['text'] = esc_html__("I couldn't find any relevant products based on your query. Could you please be more specific about the product you're looking for?", 'mxchat'); |
| 1811 |
return null; |
| 1812 |
} |
| 1813 |
|
| 1814 |
// Extract product URLs from the content |
| 1815 |
preg_match_all('/https?:\/\/[^\s<>"\']+?\/product\/[^\s<>"\']+/', $relevant_content, $matches); |
| 1816 |
|
| 1817 |
if (!empty($matches[0])) { |
| 1818 |
// Try each URL found |
| 1819 |
foreach ($matches[0] as $url) { |
| 1820 |
// Clean the URL |
| 1821 |
$url = rtrim($url, '/."\']'); |
| 1822 |
|
| 1823 |
// Get the product slug |
| 1824 |
$path = parse_url($url, PHP_URL_PATH); |
| 1825 |
$slug = basename(rtrim($path, '/')); |
| 1826 |
|
| 1827 |
// Find product by slug |
| 1828 |
$args = array( |
| 1829 |
'post_type' => 'product', |
| 1830 |
'post_status' => 'publish', |
| 1831 |
'name' => $slug, |
| 1832 |
'posts_per_page' => 1 |
| 1833 |
); |
| 1834 |
|
| 1835 |
$products = get_posts($args); |
| 1836 |
|
| 1837 |
if (!empty($products)) { |
| 1838 |
$product_id = $products[0]->ID; |
| 1839 |
$product = wc_get_product($product_id); |
| 1840 |
|
| 1841 |
if ($product && $product->is_purchasable()) { |
| 1842 |
return $product_id; |
| 1843 |
} |
| 1844 |
} |
| 1845 |
} |
| 1846 |
} |
| 1847 |
|
| 1848 |
// Fallback: Look for product names in the content |
| 1849 |
$products = wc_get_products([ |
| 1850 |
'status' => 'publish', |
| 1851 |
'limit' => -1, |
| 1852 |
'return' => 'all' |
| 1853 |
]); |
| 1854 |
|
| 1855 |
foreach ($products as $product) { |
| 1856 |
$name = $product->get_name(); |
| 1857 |
if (stripos($relevant_content, $name) !== false) { |
| 1858 |
if ($product->is_purchasable()) { |
| 1859 |
return $product->get_id(); |
| 1860 |
} |
| 1861 |
} |
| 1862 |
} |
| 1863 |
|
| 1864 |
// If no product is found after all checks, set the fallback response |
| 1865 |
$this->fallbackResponse['text'] = esc_html__("I couldn't find any relevant products based on your query. Try to be more specific", 'mxchat'); |
| 1866 |
return null; |
| 1867 |
} |
| 1868 |
|
| 1869 |
// New method to handle intent responses |
| 1870 |
private function generate_intent_response($context_content, $session_id) { |
| 1871 |
// Convert the context array to a structured string for the AI |
| 1872 |
$context_string = $this->format_intent_context($context_content); |
| 1873 |
|
| 1874 |
// Generate AI response using the context |
| 1875 |
$response = $this->mxchat_generate_response( |
| 1876 |
$context_string, |
| 1877 |
$this->options['api_key'], |
| 1878 |
$this->options['xai_api_key'], |
| 1879 |
$this->options['claude_api_key'], |
| 1880 |
$this->options['deepseek_api_key'], |
| 1881 |
$this->mxchat_fetch_conversation_history_for_ai($session_id) |
| 1882 |
); |
| 1883 |
|
| 1884 |
$this->fallbackResponse['text'] = $response; |
| 1885 |
return true; |
| 1886 |
} |
| 1887 |
// Helper method to format intent context |
| 1888 |
private function format_intent_context($context) { |
| 1889 |
$context_string = esc_html__("INTENT CONTEXT:\n", 'mxchat'); |
| 1890 |
|
| 1891 |
switch ($context['intent']) { |
| 1892 |
case 'add_to_cart': |
| 1893 |
if ($context['status'] === 'success') { |
| 1894 |
$context_string .= esc_html__("Action: Successfully added product to cart\n", 'mxchat'); |
| 1895 |
$context_string .= sprintf(esc_html__("Product: %s\n", 'mxchat'), $context['product']['name']); |
| 1896 |
$context_string .= esc_html__("Available actions: ", 'mxchat') . implode(', ', $context['available_actions']) . "\n"; |
| 1897 |
$context_string .= sprintf(esc_html__("Cart URL: %s\n", 'mxchat'), $context['cart_url']); |
| 1898 |
$context_string .= esc_html__("\nPlease inform the user of the successful addition and their available options.", 'mxchat'); |
| 1899 |
} else { |
| 1900 |
$context_string .= esc_html__("Action: Failed to add product to cart\n", 'mxchat'); |
| 1901 |
$context_string .= sprintf(esc_html__("Reason: %s\n", 'mxchat'), $context['reason']); |
| 1902 |
switch ($context['reason']) { |
| 1903 |
case 'woocommerce_not_available': |
| 1904 |
$context_string .= esc_html__("\nPlease inform the user that shopping features are not available.", 'mxchat'); |
| 1905 |
break; |
| 1906 |
case 'no_product_context': |
| 1907 |
$context_string .= esc_html__("\nPlease ask the user to specify which product they want to add.", 'mxchat'); |
| 1908 |
break; |
| 1909 |
case 'product_not_found': |
| 1910 |
$context_string .= esc_html__("\nPlease inform the user that the product couldn't be found and ask them to try again.", 'mxchat'); |
| 1911 |
break; |
| 1912 |
case 'add_to_cart_failed': |
| 1913 |
$context_string .= esc_html__("\nPlease apologize to the user and suggest they try again or ask for assistance.", 'mxchat'); |
| 1914 |
break; |
| 1915 |
} |
| 1916 |
} |
| 1917 |
break; |
| 1918 |
} |
| 1919 |
|
| 1920 |
return $context_string; |
| 1921 |
} |
| 1922 |
|
| 1923 |
|
| 1924 |
public function mxchat_handle_checkout_intent($message, $user_id, $session_id) { |
| 1925 |
if (!class_exists('WooCommerce')) { |
| 1926 |
$this->fallbackResponse['text'] = esc_html__("I apologize, but the checkout feature isn't available at the moment.", 'mxchat'); |
| 1927 |
return true; |
| 1928 |
} |
| 1929 |
|
| 1930 |
// Check if cart has items |
| 1931 |
if (WC()->cart->is_empty()) { |
| 1932 |
$this->fallbackResponse['text'] = esc_html__("Your cart is empty at the moment. Would you like to see our products?", 'mxchat'); |
| 1933 |
return true; |
| 1934 |
} |
| 1935 |
|
| 1936 |
// Get cart summary |
| 1937 |
$cart_count = WC()->cart->get_cart_contents_count(); |
| 1938 |
$cart_total = WC()->cart->get_total(); |
| 1939 |
|
| 1940 |
// Get and validate checkout URL |
| 1941 |
$checkout_url = wc_get_checkout_url(); |
| 1942 |
if (!$checkout_url) { |
| 1943 |
$this->fallbackResponse['text'] = esc_html__("I'm having trouble accessing the checkout page. Please try again in a moment.", 'mxchat'); |
| 1944 |
return true; |
| 1945 |
} |
| 1946 |
|
| 1947 |
wp_send_json([ |
| 1948 |
'text' => sprintf( |
| 1949 |
esc_html__("You have %d item%s in your cart totaling %s. I'll redirect you to checkout now.", 'mxchat'), |
| 1950 |
$cart_count, |
| 1951 |
$cart_count > 1 ? esc_html__('s', 'mxchat') : '', |
| 1952 |
strip_tags($cart_total) |
| 1953 |
), |
| 1954 |
'redirect_url' => esc_url_raw($checkout_url) |
| 1955 |
]); |
| 1956 |
wp_die(); |
| 1957 |
} |
| 1958 |
|
| 1959 |
|
| 1960 |
//very good |
| 1961 |
private function add_email_to_loops($email) { |
| 1962 |
// Sanitize the email |
| 1963 |
$email = sanitize_email($email); |
| 1964 |
|
| 1965 |
// Retrieve and sanitize options |
| 1966 |
$api_key = isset($this->options['loops_api_key']) ? sanitize_text_field($this->options['loops_api_key']) : ''; |
| 1967 |
$mailing_list_id = isset($this->options['loops_mailing_list']) ? sanitize_text_field($this->options['loops_mailing_list']) : ''; |
| 1968 |
|
| 1969 |
// Check for missing API key or mailing list ID |
| 1970 |
if (empty($api_key) || empty($mailing_list_id)) { |
| 1971 |
//error_log(esc_html__('Loops API key or mailing list ID is missing.', 'mxchat')); |
| 1972 |
return; |
| 1973 |
} |
| 1974 |
|
| 1975 |
$data = array( |
| 1976 |
'email' => $email, |
| 1977 |
'subscribed' => true, |
| 1978 |
'source' => __('MxChat AI Chatbot', 'mxchat'), |
| 1979 |
'mailingLists' => array($mailing_list_id => true), |
| 1980 |
); |
| 1981 |
|
| 1982 |
$url = 'https://app.loops.so/api/v1/contacts/create'; |
| 1983 |
$args = array( |
| 1984 |
'body' => wp_json_encode($data), |
| 1985 |
'headers' => array( |
| 1986 |
'Authorization' => 'Bearer ' . $api_key, |
| 1987 |
'Content-Type' => 'application/json', |
| 1988 |
), |
| 1989 |
'method' => 'POST', |
| 1990 |
'timeout' => 45, |
| 1991 |
); |
| 1992 |
|
| 1993 |
$response = wp_remote_post($url, $args); |
| 1994 |
|
| 1995 |
// Handle errors in the API request |
| 1996 |
if (is_wp_error($response)) { |
| 1997 |
//error_log(esc_html__('Error adding email to Loops: ', 'mxchat') . $response->get_error_message()); |
| 1998 |
return; |
| 1999 |
} |
| 2000 |
|
| 2001 |
// Check for non-200 HTTP responses |
| 2002 |
$response_code = wp_remote_retrieve_response_code($response); |
| 2003 |
if ($response_code != 200) { |
| 2004 |
$response_body = wp_remote_retrieve_body($response); |
| 2005 |
//error_log(esc_html__('Loops API responded with code ', 'mxchat') . $response_code . ': ' . $response_body); |
| 2006 |
} |
| 2007 |
} |
| 2008 |
|
| 2009 |
public function mxchat_handle_pdf_discussion($message, $user_id, $session_id) { |
| 2010 |
// Get the maximum number of pages allowed from admin settings |
| 2011 |
$max_pages = isset($this->options['pdf_max_pages']) ? intval($this->options['pdf_max_pages']) : 69; |
| 2012 |
|
| 2013 |
// Retrieve options for dynamic texts |
| 2014 |
$trigger_text = $this->options['pdf_intent_trigger_text'] ?? __("Please provide the URL to the PDF you'd like to discuss.", 'mxchat'); |
| 2015 |
$success_text = $this->options['pdf_intent_success_text'] ?? __("I've processed the PDF. What questions do you have about it?", 'mxchat'); |
| 2016 |
$error_text = $this->options['pdf_intent_error_text'] ?? __("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat'); |
| 2017 |
|
| 2018 |
// Check for explicit request for new PDF |
| 2019 |
$new_pdf_requested = stripos($message, 'new') !== false || |
| 2020 |
stripos($message, 'another') !== false || |
| 2021 |
stripos($message, 'different') !== false; |
| 2022 |
|
| 2023 |
// If user mentions adding/reading a PDF, set waiting flag |
| 2024 |
if (stripos($message, 'pdf') !== false || |
| 2025 |
stripos($message, 'document') !== false || |
| 2026 |
stripos($message, 'read') !== false) { |
| 2027 |
set_transient('mxchat_waiting_for_pdf_url_' . $session_id, true, HOUR_IN_SECONDS); |
| 2028 |
$this->fallbackResponse['text'] = $trigger_text; |
| 2029 |
return; |
| 2030 |
} |
| 2031 |
|
| 2032 |
// If we're waiting for a URL or user requested new PDF |
| 2033 |
if ($new_pdf_requested || get_transient('mxchat_waiting_for_pdf_url_' . $session_id)) { |
| 2034 |
if (preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) { |
| 2035 |
// Process URL... (rest of your existing URL processing code) |
| 2036 |
} else { |
| 2037 |
$this->fallbackResponse['text'] = $trigger_text; |
| 2038 |
} |
| 2039 |
return; |
| 2040 |
} |
| 2041 |
|
| 2042 |
// Default to proceeding with conversation if no specific PDF action is needed |
| 2043 |
$this->fallbackResponse['text'] = ''; |
| 2044 |
} |
| 2045 |
private function fetch_and_split_pdf_pages($pdf_source, $max_pages) { |
| 2046 |
$upload_dir = wp_upload_dir(); |
| 2047 |
$temp_file = null; |
| 2048 |
|
| 2049 |
try { |
| 2050 |
// Handle URL vs local file |
| 2051 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL)) { |
| 2052 |
// Validate and download the file from URL |
| 2053 |
$temp_file = wp_tempnam($pdf_source); // Safe temporary file name |
| 2054 |
$response = wp_remote_get($pdf_source, ['timeout' => 60]); |
| 2055 |
|
| 2056 |
if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) { |
| 2057 |
//error_log(esc_html__("Failed to download PDF. Error: ", 'mxchat') . print_r($response, true)); |
| 2058 |
return false; |
| 2059 |
} |
| 2060 |
|
| 2061 |
file_put_contents($temp_file, wp_remote_retrieve_body($response)); |
| 2062 |
|
| 2063 |
// Validate that the downloaded file is a PDF |
| 2064 |
$mime_type = mime_content_type($temp_file); |
| 2065 |
if ($mime_type !== 'application/pdf') { |
| 2066 |
//error_log(esc_html__("Invalid MIME type detected for PDF: ", 'mxchat') . $mime_type); |
| 2067 |
unlink($temp_file); |
| 2068 |
return false; |
| 2069 |
} |
| 2070 |
} else { |
| 2071 |
// For local files, use the provided path directly |
| 2072 |
$temp_file = $pdf_source; |
| 2073 |
} |
| 2074 |
|
| 2075 |
// Parse and process the PDF |
| 2076 |
$parser = new \Smalot\PdfParser\Parser(); |
| 2077 |
$pdf = $parser->parseFile($temp_file); |
| 2078 |
$pages = $pdf->getPages(); |
| 2079 |
|
| 2080 |
if (count($pages) > $max_pages) { |
| 2081 |
//error_log(esc_html__("PDF exceeds the maximum allowed pages: ", 'mxchat') . count($pages)); |
| 2082 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL)) { |
| 2083 |
unlink($temp_file); |
| 2084 |
} |
| 2085 |
return esc_html__('too_many_pages', 'mxchat'); |
| 2086 |
} |
| 2087 |
|
| 2088 |
$embeddings = []; |
| 2089 |
foreach ($pages as $page_number => $page) { |
| 2090 |
$text = $page->getText(); |
| 2091 |
|
| 2092 |
// Ensure text is non-empty before generating embeddings |
| 2093 |
if (empty(trim($text))) { |
| 2094 |
//error_log(esc_html__("Skipping empty page: ", 'mxchat') . ($page_number + 1)); |
| 2095 |
continue; |
| 2096 |
} |
| 2097 |
|
| 2098 |
$embedding = $this->mxchat_generate_embedding( |
| 2099 |
esc_html__("Page ", 'mxchat') . ($page_number + 1) . ": " . $text, |
| 2100 |
$this->options['api_key'] |
| 2101 |
); |
| 2102 |
|
| 2103 |
if ($embedding) { |
| 2104 |
$embeddings[] = [ |
| 2105 |
'page_number' => $page_number + 1, |
| 2106 |
'embedding' => $embedding, |
| 2107 |
'text' => $text, |
| 2108 |
]; |
| 2109 |
} else { |
| 2110 |
//error_log(esc_html__("Failed to generate embedding for page ", 'mxchat') . ($page_number + 1)); |
| 2111 |
} |
| 2112 |
} |
| 2113 |
|
| 2114 |
// Clean up downloaded file if it was from URL |
| 2115 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) { |
| 2116 |
unlink($temp_file); |
| 2117 |
} |
| 2118 |
|
| 2119 |
return $embeddings; |
| 2120 |
|
| 2121 |
} catch (\Exception $e) { |
| 2122 |
// error_log(esc_html__("Error parsing or processing PDF: ", 'mxchat') . $e->getMessage()); |
| 2123 |
|
| 2124 |
// Cleanup in case of exception |
| 2125 |
if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) { |
| 2126 |
unlink($temp_file); |
| 2127 |
} |
| 2128 |
|
| 2129 |
return false; |
| 2130 |
} |
| 2131 |
} |
| 2132 |
private function find_relevant_pdf_pages($query_embedding, $embeddings) { |
| 2133 |
//error_log(esc_html__("find_relevant_pdf_pages called.", 'mxchat')); |
| 2134 |
|
| 2135 |
$most_relevant = null; |
| 2136 |
$highest_similarity = -INF; |
| 2137 |
|
| 2138 |
foreach ($embeddings as $page_data) { |
| 2139 |
$similarity = $this->mxchat_calculate_cosine_similarity($query_embedding, $page_data['embedding']); |
| 2140 |
|
| 2141 |
if ($similarity > $highest_similarity) { |
| 2142 |
$highest_similarity = $similarity; |
| 2143 |
$most_relevant = $page_data['page_number']; |
| 2144 |
} |
| 2145 |
} |
| 2146 |
|
| 2147 |
if (!is_null($most_relevant)) { |
| 2148 |
$page_numbers = range(max(1, $most_relevant - 1), min(count($embeddings), $most_relevant + 1)); |
| 2149 |
return array_filter($embeddings, function ($page) use ($page_numbers) { |
| 2150 |
return in_array($page['page_number'], $page_numbers); |
| 2151 |
}); |
| 2152 |
} |
| 2153 |
|
| 2154 |
return []; |
| 2155 |
} |
| 2156 |
// Add this to your class |
| 2157 |
public function handle_pdf_upload() { |
| 2158 |
check_ajax_referer('mxchat_chat_nonce', 'nonce'); |
| 2159 |
|
| 2160 |
if (!isset($_FILES['pdf_file']) || !isset($_POST['session_id'])) { |
| 2161 |
wp_send_json_error(esc_html__('Missing required parameters.', 'mxchat')); |
| 2162 |
return; |
| 2163 |
} |
| 2164 |
|
| 2165 |
$file = $_FILES['pdf_file']; |
| 2166 |
$session_id = sanitize_text_field($_POST['session_id']); |
| 2167 |
$original_filename = sanitize_text_field($file['name']); |
| 2168 |
|
| 2169 |
$file_type = wp_check_filetype($file['name'], ['pdf' => 'application/pdf']); |
| 2170 |
if ($file_type['type'] !== 'application/pdf') { |
| 2171 |
wp_send_json_error(esc_html__('Invalid file type. Only PDF files are allowed.', 'mxchat')); |
| 2172 |
return; |
| 2173 |
} |
| 2174 |
|
| 2175 |
$upload_dir = wp_upload_dir(); |
| 2176 |
$pdf_filename = 'mxchat_' . $session_id . '_' . time() . '.pdf'; |
| 2177 |
$pdf_path = $upload_dir['path'] . '/' . $pdf_filename; |
| 2178 |
|
| 2179 |
if (!move_uploaded_file($file['tmp_name'], $pdf_path)) { |
| 2180 |
wp_send_json_error(esc_html__('Failed to upload file.', 'mxchat')); |
| 2181 |
return; |
| 2182 |
} |
| 2183 |
|
| 2184 |
$this->clear_pdf_transients($session_id); |
| 2185 |
|
| 2186 |
$max_pages = isset($this->options['pdf_max_pages']) ? intval($this->options['pdf_max_pages']) : 69; |
| 2187 |
$embeddings = $this->fetch_and_split_pdf_pages($pdf_path, $max_pages); |
| 2188 |
|
| 2189 |
if ($embeddings === 'too_many_pages') { |
| 2190 |
unlink($pdf_path); |
| 2191 |
$error_message = sprintf( |
| 2192 |
$this->options['pdf_intent_error_text'] ?? |
| 2193 |
esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'), |
| 2194 |
$max_pages |
| 2195 |
); |
| 2196 |
wp_send_json_error($error_message); |
| 2197 |
return; |
| 2198 |
} |
| 2199 |
|
| 2200 |
if ($embeddings === false || empty($embeddings)) { |
| 2201 |
unlink($pdf_path); |
| 2202 |
$error_message = $this->options['pdf_intent_error_text'] ?? |
| 2203 |
esc_html__('The uploaded PDF appears to be empty or contains unsupported content.', 'mxchat'); |
| 2204 |
wp_send_json_error($error_message); |
| 2205 |
return; |
| 2206 |
} |
| 2207 |
|
| 2208 |
if (!empty($embeddings)) { |
| 2209 |
set_transient('mxchat_pdf_url_' . $session_id, $pdf_path, HOUR_IN_SECONDS); |
| 2210 |
set_transient('mxchat_pdf_filename_' . $session_id, $original_filename, HOUR_IN_SECONDS); |
| 2211 |
set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS); |
| 2212 |
set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS); |
| 2213 |
|
| 2214 |
$success_message = $this->options['pdf_intent_success_text'] ?? |
| 2215 |
esc_html__("I've processed the PDF. What questions do you have about it?", 'mxchat'); |
| 2216 |
|
| 2217 |
wp_send_json_success([ |
| 2218 |
'message' => $success_message, |
| 2219 |
'filename' => $original_filename |
| 2220 |
]); |
| 2221 |
return; |
| 2222 |
} |
| 2223 |
|
| 2224 |
unlink($pdf_path); |
| 2225 |
$error_message = $this->options['pdf_intent_error_text'] ?? |
| 2226 |
esc_html__('Sorry, I couldn\'t process the PDF. Please ensure it\'s a valid file.', 'mxchat'); |
| 2227 |
wp_send_json_error($error_message); |
| 2228 |
return; |
| 2229 |
} |
| 2230 |
public function handle_pdf_remove() { |
| 2231 |
check_ajax_referer('mxchat_chat_nonce', 'nonce'); |
| 2232 |
|
| 2233 |
if (empty($_POST['session_id'])) { |
| 2234 |
wp_send_json_error(esc_html__('Session ID missing.', 'mxchat')); |
| 2235 |
wp_die(); |
| 2236 |
} |
| 2237 |
|
| 2238 |
$session_id = sanitize_text_field($_POST['session_id']); |
| 2239 |
$pdf_path = get_transient('mxchat_pdf_url_' . $session_id); |
| 2240 |
|
| 2241 |
if ($pdf_path && file_exists($pdf_path)) { |
| 2242 |
unlink($pdf_path); |
| 2243 |
} |
| 2244 |
|
| 2245 |
$this->clear_pdf_transients($session_id); |
| 2246 |
|
| 2247 |
wp_send_json_success([ |
| 2248 |
'message' => esc_html__('PDF removed successfully.', 'mxchat') |
| 2249 |
]); |
| 2250 |
wp_die(); |
| 2251 |
} |
| 2252 |
|
| 2253 |
|
| 2254 |
/** |
| 2255 |
* Calls the AI API with the provided prompt. |
| 2256 |
* |
| 2257 |
* @param string $prompt The prompt to send to the AI. |
| 2258 |
* @return array An array containing the AI's response text. |
| 2259 |
*/ |
| 2260 |
private function mxchat_call_ai_api( $prompt ) { |
| 2261 |
//error_log( esc_html__( 'Calling AI API with the provided prompt.', 'mxchat' ) ); |
| 2262 |
|
| 2263 |
$api_key = $this->options['api_key']; |
| 2264 |
if ( empty( $api_key ) ) { |
| 2265 |
//error_log( esc_html__( 'API key is not set.', 'mxchat' ) ); |
| 2266 |
return [ 'text' => esc_html__( 'API key is not set.', 'mxchat' ) ]; |
| 2267 |
} |
| 2268 |
|
| 2269 |
$url = 'https://api.openai.com/v1/chat/completions'; |
| 2270 |
$messages = [ |
| 2271 |
[ |
| 2272 |
'role' => 'system', |
| 2273 |
'content' => __( 'You are a helpful assistant that provides concise and personalized product recommendations. Someone has asked you for some recommendations please respond very concisely appropriate for an AI chatbot.', 'mxchat' ), |
| 2274 |
], |
| 2275 |
[ |
| 2276 |
'role' => 'user', |
| 2277 |
'content' => $prompt, |
| 2278 |
], |
| 2279 |
]; |
| 2280 |
|
| 2281 |
$args = [ |
| 2282 |
'headers' => [ |
| 2283 |
'Authorization' => 'Bearer ' . $api_key, |
| 2284 |
'Content-Type' => 'application/json', |
| 2285 |
], |
| 2286 |
'body' => wp_json_encode( |
| 2287 |
[ |
| 2288 |
'model' => 'gpt-4o', |
| 2289 |
'messages' => $messages, |
| 2290 |
'temperature' => 0.7, |
| 2291 |
] |
| 2292 |
), |
| 2293 |
'timeout' => 10, |
| 2294 |
'method' => 'POST', |
| 2295 |
]; |
| 2296 |
|
| 2297 |
$response = wp_remote_post( $url, $args ); |
| 2298 |
|
| 2299 |
if ( is_wp_error( $response ) ) { |
| 2300 |
//error_log( esc_html__( 'Error communicating with AI API: ', 'mxchat' ) . $response->get_error_message() ); |
| 2301 |
return [ 'text' => esc_html__( 'Error communicating with AI API.', 'mxchat' ) ]; |
| 2302 |
} |
| 2303 |
|
| 2304 |
$body = wp_remote_retrieve_body( $response ); |
| 2305 |
//error_log( esc_html__( 'API response body: ', 'mxchat' ) . $body ); |
| 2306 |
|
| 2307 |
$decoded_body = json_decode( $body, true ); |
| 2308 |
if ( isset( $decoded_body['choices'][0]['message']['content'] ) ) { |
| 2309 |
return [ 'text' => $decoded_body['choices'][0]['message']['content'] ]; |
| 2310 |
} else { |
| 2311 |
//error_log( esc_html__( 'Unexpected API response format: ', 'mxchat' ) . wp_json_encode( $decoded_body ) ); |
| 2312 |
return [ 'text' => esc_html__( 'No response received from AI.', 'mxchat' ) ]; |
| 2313 |
} |
| 2314 |
} |
| 2315 |
|
| 2316 |
/** |
| 2317 |
* Fetches the AI response for the given prompt. |
| 2318 |
* |
| 2319 |
* @param string $prompt The prompt to send to the AI. |
| 2320 |
* @return string|null The AI's response text or null if not available. |
| 2321 |
*/ |
| 2322 |
private function mxchat_fetch_ai_response( $prompt ) { |
| 2323 |
$response = $this->mxchat_call_ai_api( $prompt ); |
| 2324 |
return isset( $response['text'] ) ? $response['text'] : null; |
| 2325 |
} |
| 2326 |
/** |
| 2327 |
* Generates the AI prompt for product recommendations. |
| 2328 |
* |
| 2329 |
* @param array $recommendations An array of product recommendations. |
| 2330 |
* @return string The generated AI prompt. |
| 2331 |
*/ |
| 2332 |
private function mxchat_generate_ai_recommendation_prompt($recommendations) { |
| 2333 |
$recommendation_list = ''; |
| 2334 |
foreach ($recommendations as $index => $rec) { |
| 2335 |
$number = $index + 1; |
| 2336 |
$name = $rec['name']; |
| 2337 |
$price = $rec['price']; |
| 2338 |
$url = $rec['url']; |
| 2339 |
$image = $rec['image']; |
| 2340 |
$recommendation_list .= "{$number}. " . esc_html__('Product:', 'mxchat') . " {$name} (" . esc_html__('Price:', 'mxchat') . " \\${$price})\n"; |
| 2341 |
$recommendation_list .= " [Link]({$url})\n"; |
| 2342 |
$recommendation_list .= " \n\n"; |
| 2343 |
} |
| 2344 |
|
| 2345 |
$prompt = esc_html__('Based on the following list of products, generate a unique, friendly, and personalized response to a user. ', 'mxchat'); |
| 2346 |
$prompt .= esc_html__('If some products aren\'t exactly what the user asked for but share similar styles or patterns, acknowledge this and explain why you\'re suggesting them. ', 'mxchat'); |
| 2347 |
$prompt .= esc_html__('For each product, provide a brief justification that clearly explains why it\'s relevant, especially if it\'s a different type of product than requested. ', 'mxchat'); |
| 2348 |
$prompt .= esc_html__('Please number your responses to match the product numbers.', 'mxchat') . "\n\n"; |
| 2349 |
$prompt .= esc_html__('Products:', 'mxchat') . "\n\n{$recommendation_list}"; |
| 2350 |
$prompt .= esc_html__('Please ensure that the number of each product matches the order in which the products are listed.', 'mxchat'); |
| 2351 |
|
| 2352 |
return $prompt; |
| 2353 |
} |
| 2354 |
private function mxchat_generate_recommendations($user_id, $message) { |
| 2355 |
// 1. Gather user context |
| 2356 |
$user_context = $this->mxchat_get_user_context($user_id); |
| 2357 |
|
| 2358 |
// Get cart item IDs for filtering |
| 2359 |
$cart_item_ids = []; |
| 2360 |
if (!empty($user_context['cart_items'])) { |
| 2361 |
$cart_item_ids = array_map(function($item) { |
| 2362 |
return $item['product_id']; |
| 2363 |
}, $user_context['cart_items']); |
| 2364 |
} |
| 2365 |
|
| 2366 |
// 2. Get AI recommendation based on context |
| 2367 |
$ai_suggestion = $this->mxchat_get_ai_shopping_suggestion($message, $user_context); |
| 2368 |
//error_log("AI Shopping Suggestion: " . $ai_suggestion); |
| 2369 |
|
| 2370 |
// 3. Generate embedding for the AI suggestion |
| 2371 |
$suggestion_embedding = $this->mxchat_generate_embedding($ai_suggestion, $this->options['api_key']); |
| 2372 |
if (!$suggestion_embedding) { |
| 2373 |
//error_log("Could not generate embedding for AI suggestion"); |
| 2374 |
return ['recommendations' => [], 'sources' => []]; |
| 2375 |
} |
| 2376 |
|
| 2377 |
// 4. Use existing relevant content function to find matches |
| 2378 |
$relevant_content = $this->mxchat_find_relevant_content($suggestion_embedding); |
| 2379 |
|
| 2380 |
// 5. Extract product URLs from the relevant content |
| 2381 |
preg_match_all('/https?:\/\/[^\s<>"\']+?\/product\/[^\s<>"\']+/', $relevant_content, $matches); |
| 2382 |
|
| 2383 |
$found_products = []; |
| 2384 |
if (!empty($matches[0])) { |
| 2385 |
foreach ($matches[0] as $url) { |
| 2386 |
// Clean the URL |
| 2387 |
$url = rtrim($url, '/."\']'); |
| 2388 |
|
| 2389 |
// Get the product slug |
| 2390 |
$path = parse_url($url, PHP_URL_PATH); |
| 2391 |
$slug = basename(rtrim($path, '/')); |
| 2392 |
|
| 2393 |
// Find product by slug |
| 2394 |
$args = array( |
| 2395 |
'post_type' => 'product', |
| 2396 |
'post_status' => 'publish', |
| 2397 |
'name' => $slug, |
| 2398 |
'posts_per_page' => 1 |
| 2399 |
); |
| 2400 |
|
| 2401 |
$products = get_posts($args); |
| 2402 |
|
| 2403 |
if (!empty($products)) { |
| 2404 |
$product_id = $products[0]->ID; |
| 2405 |
|
| 2406 |
// Skip if product is in cart |
| 2407 |
if (in_array($product_id, $cart_item_ids)) { |
| 2408 |
//error_log("Skipping product ID $product_id - already in cart"); |
| 2409 |
continue; |
| 2410 |
} |
| 2411 |
|
| 2412 |
$product = wc_get_product($product_id); |
| 2413 |
|
| 2414 |
if ($product && $product->is_purchasable() && !in_array($product_id, array_map(function($p) { |
| 2415 |
return $p->get_id(); |
| 2416 |
}, $found_products))) { |
| 2417 |
$found_products[] = $product; |
| 2418 |
} |
| 2419 |
} |
| 2420 |
} |
| 2421 |
} |
| 2422 |
|
| 2423 |
// If no products found by URLs, look for product names in the content |
| 2424 |
if (empty($found_products)) { |
| 2425 |
$products = wc_get_products([ |
| 2426 |
'status' => 'publish', |
| 2427 |
'limit' => -1, |
| 2428 |
'return' => 'objects' |
| 2429 |
]); |
| 2430 |
|
| 2431 |
foreach ($products as $product) { |
| 2432 |
// Skip if product is in cart |
| 2433 |
if (in_array($product->get_id(), $cart_item_ids)) { |
| 2434 |
continue; |
| 2435 |
} |
| 2436 |
|
| 2437 |
$name = $product->get_name(); |
| 2438 |
if (stripos($relevant_content, $name) !== false) { |
| 2439 |
if ($product->is_purchasable() && !in_array($product->get_id(), array_map(function($p) { |
| 2440 |
return $p->get_id(); |
| 2441 |
}, $found_products))) { |
| 2442 |
$found_products[] = $product; |
| 2443 |
} |
| 2444 |
} |
| 2445 |
} |
| 2446 |
} |
| 2447 |
|
| 2448 |
// Keep searching until we have 4 products or run out of options |
| 2449 |
$formatted_recommendations = []; |
| 2450 |
foreach ($found_products as $product) { |
| 2451 |
if (count($formatted_recommendations) >= 4) break; |
| 2452 |
|
| 2453 |
$formatted_recommendations[] = [ |
| 2454 |
'name' => $product->get_name(), |
| 2455 |
'price' => $product->get_price(), |
| 2456 |
'url' => get_permalink($product->get_id()), |
| 2457 |
'image' => wp_get_attachment_url($product->get_image_id()) |
| 2458 |
]; |
| 2459 |
} |
| 2460 |
|
| 2461 |
return [ |
| 2462 |
'recommendations' => $formatted_recommendations, |
| 2463 |
'sources' => [__('AI-powered personalized recommendations', 'mxchat')] |
| 2464 |
]; |
| 2465 |
} |
| 2466 |
private function mxchat_get_ai_shopping_suggestion($message, $user_context) { |
| 2467 |
$prompt = esc_html__("As a shopping assistant, analyze this user's context and generate a specific product search suggestion. ", 'mxchat'); |
| 2468 |
$prompt .= esc_html__("User's Question: \"{$message}\"\n\n", 'mxchat'); |
| 2469 |
|
| 2470 |
if (!empty($user_context['order_history'])) { |
| 2471 |
$prompt .= esc_html__("Their recent orders include:\n", 'mxchat'); |
| 2472 |
foreach ($user_context['order_history'] as $order) { |
| 2473 |
$prompt .= esc_html__("- {$order['name']} ({$order['date']})\n", 'mxchat'); |
| 2474 |
} |
| 2475 |
} |
| 2476 |
|
| 2477 |
if (!empty($user_context['cart_items'])) { |
| 2478 |
$prompt .= esc_html__("\nThey currently have in their cart:\n", 'mxchat'); |
| 2479 |
foreach ($user_context['cart_items'] as $item) { |
| 2480 |
$prompt .= esc_html__("- {$item['name']}\n", 'mxchat'); |
| 2481 |
} |
| 2482 |
} |
| 2483 |
|
| 2484 |
$prompt .= esc_html__("\nBased on their question and history, suggest a specific search query that would help find the most relevant products. ", 'mxchat'); |
| 2485 |
$prompt .= esc_html__("Respond with ONLY the search query, nothing else.", 'mxchat'); |
| 2486 |
|
| 2487 |
$response = $this->mxchat_call_ai_api($prompt); |
| 2488 |
return isset($response['text']) ? trim($response['text']) : $message; |
| 2489 |
} |
| 2490 |
public function mxchat_handle_product_recommendations($message, $user_id, $session_id) { |
| 2491 |
try { |
| 2492 |
//error_log("Starting product recommendations for user: $user_id, session: $session_id"); |
| 2493 |
|
| 2494 |
// Pass the message to get context-aware recommendations |
| 2495 |
$recommendation_data = $this->mxchat_generate_recommendations($user_id, $message); |
| 2496 |
//error_log('Generated recommendation data: ' . wp_json_encode($recommendation_data)); |
| 2497 |
|
| 2498 |
if (empty($recommendation_data['recommendations'])) { |
| 2499 |
//error_log("No recommendations found for user: $user_id"); |
| 2500 |
$this->fallbackResponse = [ |
| 2501 |
'text' => __("I couldn't find any product recommendations for you right now. Please try again later!", 'mxchat'), |
| 2502 |
]; |
| 2503 |
return; |
| 2504 |
} |
| 2505 |
|
| 2506 |
// Remove duplicates and limit to top 4 recommendations |
| 2507 |
$unique_recommendations = []; |
| 2508 |
foreach ($recommendation_data['recommendations'] as $rec) { |
| 2509 |
$unique_recommendations[$rec['url']] = $rec; |
| 2510 |
} |
| 2511 |
|
| 2512 |
$unique_recommendations = array_slice($unique_recommendations, 0, 4); |
| 2513 |
//error_log('Top 4 recommendations: ' . wp_json_encode($unique_recommendations)); |
| 2514 |
|
| 2515 |
$recommendations_summary = []; |
| 2516 |
foreach ($unique_recommendations as $rec) { |
| 2517 |
$recommendations_summary[] = [ |
| 2518 |
'name' => $rec['name'], |
| 2519 |
'price' => strip_tags($rec['price']), |
| 2520 |
'url' => $rec['url'], |
| 2521 |
'image' => $rec['image'], |
| 2522 |
]; |
| 2523 |
} |
| 2524 |
|
| 2525 |
// Generate AI prompt and fetch response |
| 2526 |
$ai_prompt = $this->mxchat_generate_ai_recommendation_prompt($recommendations_summary); |
| 2527 |
$ai_response = $this->mxchat_fetch_ai_response($ai_prompt); |
| 2528 |
|
| 2529 |
if (empty($ai_response)) { |
| 2530 |
$this->fallbackResponse = [ |
| 2531 |
'text' => __('An unexpected error occurred while generating recommendations. Please try again later.', 'mxchat'), |
| 2532 |
]; |
| 2533 |
return; |
| 2534 |
} |
| 2535 |
|
| 2536 |
// Split the AI's response into lines |
| 2537 |
$ai_lines = preg_split('/\r\n|\r|\n/', $ai_response); |
| 2538 |
|
| 2539 |
// Initialize variables |
| 2540 |
$formatted_response = ''; |
| 2541 |
$justifications = []; |
| 2542 |
$current_number = 0; |
| 2543 |
$in_introduction = true; |
| 2544 |
$introduction = ''; |
| 2545 |
|
| 2546 |
// Parse the AI response to separate the introduction and the justifications |
| 2547 |
foreach ($ai_lines as $line) { |
| 2548 |
if (preg_match('/^\s*(\d+)\.\s*(.*)$/', $line, $matches)) { |
| 2549 |
// This line is a numbered justification |
| 2550 |
$current_number = intval($matches[1]) - 1; |
| 2551 |
$justifications[$current_number] = $matches[2]; |
| 2552 |
$in_introduction = false; |
| 2553 |
} elseif ($in_introduction) { |
| 2554 |
// This line is part of the introduction |
| 2555 |
$introduction .= $line . ' '; |
| 2556 |
} else { |
| 2557 |
// This line is a continuation of the current justification |
| 2558 |
if (isset($justifications[$current_number])) { |
| 2559 |
$justifications[$current_number] .= ' ' . $line; |
| 2560 |
} |
| 2561 |
} |
| 2562 |
} |
| 2563 |
|
| 2564 |
// Build the formatted response |
| 2565 |
if (!empty($introduction)) { |
| 2566 |
$formatted_response .= esc_html(trim($introduction)) . "<br><br>"; |
| 2567 |
} |
| 2568 |
|
| 2569 |
foreach ($recommendations_summary as $index => $rec) { |
| 2570 |
$name = esc_html($rec['name']); |
| 2571 |
$price = number_format((float)$rec['price'], 2, '.', ''); |
| 2572 |
$url = esc_url($rec['url']); |
| 2573 |
$image = esc_url($rec['image']); |
| 2574 |
|
| 2575 |
$formatted_response .= ($index + 1) . ". <strong>" . $name . "</strong> - <strong>$" . $price . "</strong><br>"; |
| 2576 |
$formatted_response .= "<img src=\"{$image}\" alt=\"{$name}\" style=\"max-width: 200px; height: auto; display: block; margin: 10px 0;\" /><br>"; |
| 2577 |
|
| 2578 |
if (isset($justifications[$index])) { |
| 2579 |
$formatted_response .= "<em>" . esc_html(trim($justifications[$index])) . "</em><br><br>"; |
| 2580 |
} |
| 2581 |
} |
| 2582 |
|
| 2583 |
$this->fallbackResponse = [ |
| 2584 |
'text' => $formatted_response, |
| 2585 |
]; |
| 2586 |
//error_log('Final formatted response set.'); |
| 2587 |
} catch (Exception $e) { |
| 2588 |
//error_log('Error in mxchat_handle_product_recommendations: ' . $e->getMessage()); |
| 2589 |
$this->fallbackResponse = [ |
| 2590 |
'text' => __('An unexpected error occurred while generating recommendations. Please try again later.', 'mxchat'), |
| 2591 |
]; |
| 2592 |
} |
| 2593 |
} |
| 2594 |
private function mxchat_get_user_context($user_id) { |
| 2595 |
$context = [ |
| 2596 |
'order_history' => [], |
| 2597 |
'cart_items' => [], |
| 2598 |
'recently_viewed' => [], |
| 2599 |
]; |
| 2600 |
|
| 2601 |
// Get order history |
| 2602 |
if (is_user_logged_in() && $user_id) { |
| 2603 |
$orders = wc_get_orders([ |
| 2604 |
'customer_id' => $user_id, |
| 2605 |
'limit' => 5, // Last 5 orders |
| 2606 |
'orderby' => 'date', |
| 2607 |
'order' => 'DESC', |
| 2608 |
]); |
| 2609 |
|
| 2610 |
foreach ($orders as $order) { |
| 2611 |
foreach ($order->get_items() as $item) { |
| 2612 |
$context['order_history'][] = [ |
| 2613 |
'name' => $item->get_name(), |
| 2614 |
'product_id' => $item->get_product_id(), |
| 2615 |
'date' => $order->get_date_created()->format('Y-m-d') |
| 2616 |
]; |
| 2617 |
} |
| 2618 |
} |
| 2619 |
} |
| 2620 |
|
| 2621 |
// Get cart items |
| 2622 |
if (WC()->cart && WC()->cart->get_cart_contents_count() > 0) { |
| 2623 |
foreach (WC()->cart->get_cart() as $cart_item) { |
| 2624 |
$product = wc_get_product($cart_item['product_id']); |
| 2625 |
if ($product) { |
| 2626 |
$context['cart_items'][] = [ |
| 2627 |
'name' => $product->get_name(), |
| 2628 |
'product_id' => $product->get_id() |
| 2629 |
]; |
| 2630 |
} |
| 2631 |
} |
| 2632 |
} |
| 2633 |
|
| 2634 |
// Get recently viewed items from session |
| 2635 |
$viewed_products = WC()->session->get('recently_viewed_products', []); |
| 2636 |
foreach ($viewed_products as $product_id) { |
| 2637 |
$product = wc_get_product($product_id); |
| 2638 |
if ($product) { |
| 2639 |
$context['recently_viewed'][] = [ |
| 2640 |
'name' => $product->get_name(), |
| 2641 |
'product_id' => $product->get_id() |
| 2642 |
]; |
| 2643 |
} |
| 2644 |
} |
| 2645 |
|
| 2646 |
return $context; |
| 2647 |
} |
| 2648 |
|
| 2649 |
|
| 2650 |
|
| 2651 |
|
| 2652 |
|
| 2653 |
|
| 2654 |
function mxchat_fetch_new_messages() { |
| 2655 |
$session_id = sanitize_text_field($_POST['session_id']); |
| 2656 |
$last_seen_id = sanitize_text_field($_POST['last_seen_id']); |
| 2657 |
$persistence_enabled = $_POST['persistence_enabled'] === 'true'; |
| 2658 |
$initial_timestamp = isset($_POST['initial_timestamp']) ? intval($_POST['initial_timestamp']) : 0; |
| 2659 |
|
| 2660 |
if (empty($session_id)) { |
| 2661 |
//error_log(esc_html__('Fetch new messages error: Session ID missing.', 'mxchat')); |
| 2662 |
wp_send_json_error(['message' => esc_html__('Session ID missing.', 'mxchat')]); |
| 2663 |
wp_die(); |
| 2664 |
} |
| 2665 |
|
| 2666 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 2667 |
|
| 2668 |
$new_messages = array_filter($history, function ($message) use ($last_seen_id, $persistence_enabled, $initial_timestamp) { |
| 2669 |
// If persistence is enabled, show all new messages |
| 2670 |
if ($persistence_enabled) { |
| 2671 |
return !empty($message['id']) && |
| 2672 |
strcmp($message['id'], $last_seen_id) > 0 && |
| 2673 |
$message['role'] === 'agent'; |
| 2674 |
} |
| 2675 |
|
| 2676 |
// If persistence is disabled, only show messages after initial timestamp |
| 2677 |
return !empty($message['id']) && |
| 2678 |
$message['role'] === 'agent' && |
| 2679 |
$message['timestamp'] > $initial_timestamp; |
| 2680 |
}); |
| 2681 |
|
| 2682 |
//error_log(esc_html__("New agent messages fetched for session $session_id. Last seen ID: $last_seen_id", 'mxchat')); |
| 2683 |
|
| 2684 |
wp_send_json_success([ |
| 2685 |
'new_messages' => array_values($new_messages) |
| 2686 |
]); |
| 2687 |
wp_die(); |
| 2688 |
} |
| 2689 |
|
| 2690 |
|
| 2691 |
public function mxchat_live_agent_handover($message, $user_id, $session_id) { |
| 2692 |
// First check if live agents are available |
| 2693 |
$live_agent_available = $this->options['live_agent_status'] ?? 'off'; |
| 2694 |
if ($live_agent_available !== 'on') { |
| 2695 |
$away_message = $this->options['live_agent_away_message'] ?? 'Sorry, live agents are currently unavailable. I can continue helping you as an AI assistant.'; |
| 2696 |
$this->fallbackResponse = [ |
| 2697 |
'text' => $away_message, |
| 2698 |
'html' => '', |
| 2699 |
'images' => [], |
| 2700 |
'chat_mode' => 'ai' |
| 2701 |
]; |
| 2702 |
wp_send_json([ |
| 2703 |
'text' => $away_message, |
| 2704 |
'html' => '', |
| 2705 |
'chat_mode' => 'ai', |
| 2706 |
'session_id' => $session_id |
| 2707 |
]); |
| 2708 |
wp_die(); |
| 2709 |
} |
| 2710 |
|
| 2711 |
$slack_webhook_url = $this->options['live_agent_webhook_url'] ?? ''; |
| 2712 |
if (empty($slack_webhook_url)) { |
| 2713 |
return false; |
| 2714 |
} |
| 2715 |
|
| 2716 |
// Get recent chat history (last 5 messages) |
| 2717 |
$history = get_option("mxchat_history_{$session_id}", []); |
| 2718 |
$recent_history = array_slice($history, -5); // Get last 5 messages |
| 2719 |
|
| 2720 |
// Format conversation history |
| 2721 |
$conversation_context = ""; |
| 2722 |
if (!empty($recent_history)) { |
| 2723 |
$conversation_context = "*Recent Conversation:*\n"; |
| 2724 |
foreach ($recent_history as $hist_message) { |
| 2725 |
$role_display = $hist_message['role'] === 'user' ? 'User' : 'AI'; |
| 2726 |
$conversation_context .= ">{$role_display}: {$hist_message['content']}\n"; |
| 2727 |
} |
| 2728 |
$conversation_context .= "\n"; |
| 2729 |
} |
| 2730 |
|
| 2731 |
update_option("mxchat_mode_{$session_id}", 'agent'); |
| 2732 |
|
| 2733 |
$webhook_data = [ |
| 2734 |
'blocks' => [ |
| 2735 |
[ |
| 2736 |
'type' => 'header', |
| 2737 |
'text' => [ |
| 2738 |
'type' => 'plain_text', |
| 2739 |
'text' => '🔔 New Live Agent Request', |
| 2740 |
'emoji' => true |
| 2741 |
] |
| 2742 |
], |
| 2743 |
[ |
| 2744 |
'type' => 'section', |
| 2745 |
'fields' => [ |
| 2746 |
[ |
| 2747 |
'type' => 'mrkdwn', |
| 2748 |
'text' => sprintf('*User ID:*\n`%s`', $user_id) |
| 2749 |
], |
| 2750 |
[ |
| 2751 |
'type' => 'mrkdwn', |
| 2752 |
'text' => sprintf('*Session ID:*\n`%s`', $session_id) |
| 2753 |
] |
| 2754 |
] |
| 2755 |
] |
| 2756 |
] |
| 2757 |
]; |
| 2758 |
|
| 2759 |
// Add conversation history if exists |
| 2760 |
if (!empty($conversation_context)) { |
| 2761 |
$webhook_data['blocks'][] = [ |
| 2762 |
'type' => 'section', |
| 2763 |
'text' => [ |
| 2764 |
'type' => 'mrkdwn', |
| 2765 |
'text' => $conversation_context |
| 2766 |
] |
| 2767 |
]; |
| 2768 |
} |
| 2769 |
|
| 2770 |
// Add the current message |
| 2771 |
$webhook_data['blocks'][] = [ |
| 2772 |
'type' => 'section', |
| 2773 |
'text' => [ |
| 2774 |
'type' => 'mrkdwn', |
| 2775 |
'text' => sprintf('*Current Message:*\n%s', $message) |
| 2776 |
] |
| 2777 |
]; |
| 2778 |
|
| 2779 |
// Add the reply button |
| 2780 |
$webhook_data['blocks'][] = [ |
| 2781 |
'type' => 'actions', |
| 2782 |
'elements' => [ |
| 2783 |
[ |
| 2784 |
'type' => 'button', |
| 2785 |
'text' => [ |
| 2786 |
'type' => 'plain_text', |
| 2787 |
'text' => '✍️ Reply', |
| 2788 |
'emoji' => true |
| 2789 |
], |
| 2790 |
'value' => $session_id, |
| 2791 |
'action_id' => 'reply_to_user', |
| 2792 |
'style' => 'primary' |
| 2793 |
] |
| 2794 |
] |
| 2795 |
]; |
| 2796 |
|
| 2797 |
$response = wp_remote_post($slack_webhook_url, [ |
| 2798 |
'body' => json_encode($webhook_data), |
| 2799 |
'headers' => [ |
| 2800 |
'Content-Type' => 'application/json', |
| 2801 |
], |
| 2802 |
]); |
| 2803 |
|
| 2804 |
if (is_wp_error($response)) { |
| 2805 |
return false; |
| 2806 |
} |
| 2807 |
|
| 2808 |
$success_message = $this->options['live_agent_notification_message'] ?? 'Live agent has been notified.'; |
| 2809 |
$this->mxchat_save_chat_message($session_id, 'bot', $success_message); |
| 2810 |
|
| 2811 |
$this->fallbackResponse = [ |
| 2812 |
'text' => $success_message, |
| 2813 |
'html' => '', |
| 2814 |
'images' => [], |
| 2815 |
'chat_mode' => 'agent' |
| 2816 |
]; |
| 2817 |
|
| 2818 |
wp_send_json([ |
| 2819 |
'success' => true, |
| 2820 |
'text' => $success_message, |
| 2821 |
'html' => '', |
| 2822 |
'chat_mode' => 'agent', |
| 2823 |
'session_id' => $session_id, |
| 2824 |
'fallbackResponse' => $this->fallbackResponse |
| 2825 |
]); |
| 2826 |
wp_die(); |
| 2827 |
} |
| 2828 |
public function mxchat_send_user_message_to_agent($message, $user_id, $session_id) { |
| 2829 |
$slack_webhook_url = $this->options['live_agent_webhook_url'] ?? ''; |
| 2830 |
|
| 2831 |
if (empty($slack_webhook_url)) { |
| 2832 |
//error_log(esc_html__('Slack Webhook URL is not configured.', 'mxchat')); |
| 2833 |
return false; |
| 2834 |
} |
| 2835 |
|
| 2836 |
$webhook_data = [ |
| 2837 |
'blocks' => [ |
| 2838 |
[ |
| 2839 |
'type' => 'header', |
| 2840 |
'text' => [ |
| 2841 |
'type' => 'plain_text', |
| 2842 |
'text' => esc_html__('📩 New Chat Message', 'mxchat'), |
| 2843 |
'emoji' => true |
| 2844 |
] |
| 2845 |
], |
| 2846 |
[ |
| 2847 |
'type' => 'section', |
| 2848 |
'fields' => [ |
| 2849 |
[ |
| 2850 |
'type' => 'mrkdwn', |
| 2851 |
'text' => sprintf(esc_html__('*User ID:*\n`%s`', 'mxchat'), $user_id) |
| 2852 |
], |
| 2853 |
[ |
| 2854 |
'type' => 'mrkdwn', |
| 2855 |
'text' => sprintf(esc_html__('*Session ID:*\n`%s`', 'mxchat'), $session_id) |
| 2856 |
] |
| 2857 |
] |
| 2858 |
], |
| 2859 |
[ |
| 2860 |
'type' => 'section', |
| 2861 |
'text' => [ |
| 2862 |
'type' => 'mrkdwn', |
| 2863 |
'text' => sprintf(esc_html__('*Message:*\n%s', 'mxchat'), $message) |
| 2864 |
] |
| 2865 |
], |
| 2866 |
[ |
| 2867 |
'type' => 'actions', |
| 2868 |
'elements' => [ |
| 2869 |
[ |
| 2870 |
'type' => 'button', |
| 2871 |
'text' => [ |
| 2872 |
'type' => 'plain_text', |
| 2873 |
'text' => esc_html__('✍️ Reply', 'mxchat'), |
| 2874 |
'emoji' => true |
| 2875 |
], |
| 2876 |
'value' => $session_id, |
| 2877 |
'action_id' => 'reply_to_user', |
| 2878 |
'style' => 'primary' |
| 2879 |
] |
| 2880 |
] |
| 2881 |
] |
| 2882 |
] |
| 2883 |
]; |
| 2884 |
|
| 2885 |
$response = wp_remote_post($slack_webhook_url, [ |
| 2886 |
'body' => json_encode($webhook_data), |
| 2887 |
'headers' => [ |
| 2888 |
'Content-Type' => 'application/json', |
| 2889 |
], |
| 2890 |
]); |
| 2891 |
|
| 2892 |
if (is_wp_error($response)) { |
| 2893 |
//error_log(esc_html__('Error sending message to Slack: ', 'mxchat') . $response->get_error_message()); |
| 2894 |
return false; |
| 2895 |
} |
| 2896 |
|
| 2897 |
//error_log(esc_html__('Message sent to Slack successfully.', 'mxchat')); |
| 2898 |
return true; |
| 2899 |
} |
| 2900 |
public function handle_slack_interaction(WP_REST_Request $request) { |
| 2901 |
//error_log('Received Slack interaction'); |
| 2902 |
|
| 2903 |
$payload = json_decode($request->get_param('payload'), true); |
| 2904 |
//error_log('Payload: ' . print_r($payload, true)); |
| 2905 |
|
| 2906 |
// Handle button click |
| 2907 |
if ($payload['type'] === 'block_actions' && $payload['actions'][0]['action_id'] === 'reply_to_user') { |
| 2908 |
$session_id = $payload['actions'][0]['value']; |
| 2909 |
$trigger_id = $payload['trigger_id']; |
| 2910 |
|
| 2911 |
// Get Bot Token from settings |
| 2912 |
$slack_token = $this->options['live_agent_bot_token'] ?? ''; |
| 2913 |
|
| 2914 |
if (empty($slack_token)) { |
| 2915 |
//error_log('Slack Bot Token not configured'); |
| 2916 |
return new WP_REST_Response(['error' => esc_html__('Bot token not configured', 'mxchat')], 400); |
| 2917 |
} |
| 2918 |
$response = wp_remote_post('https://slack.com/api/views.open', [ |
| 2919 |
'headers' => [ |
| 2920 |
'Content-Type' => 'application/json', |
| 2921 |
'Authorization' => 'Bearer ' . $slack_token |
| 2922 |
], |
| 2923 |
'body' => json_encode([ |
| 2924 |
'trigger_id' => $trigger_id, |
| 2925 |
'view' => [ |
| 2926 |
'type' => 'modal', |
| 2927 |
'callback_id' => 'reply_modal', |
| 2928 |
'title' => [ |
| 2929 |
'type' => 'plain_text', |
| 2930 |
'text' => __('Reply to User', 'mxchat') |
| 2931 |
], |
| 2932 |
'submit' => [ |
| 2933 |
'type' => 'plain_text', |
| 2934 |
'text' => __('Send', 'mxchat') |
| 2935 |
], |
| 2936 |
'close' => [ |
| 2937 |
'type' => 'plain_text', |
| 2938 |
'text' => __('Cancel', 'mxchat') |
| 2939 |
], |
| 2940 |
'blocks' => [ |
| 2941 |
[ |
| 2942 |
'type' => 'input', |
| 2943 |
'block_id' => 'reply_block', |
| 2944 |
'label' => [ |
| 2945 |
'type' => 'plain_text', |
| 2946 |
'text' => sprintf(__('Reply to session: %s', 'mxchat'), $session_id) |
| 2947 |
], |
| 2948 |
'element' => [ |
| 2949 |
'type' => 'plain_text_input', |
| 2950 |
'action_id' => 'message', |
| 2951 |
'multiline' => true, |
| 2952 |
'placeholder' => [ |
| 2953 |
'type' => 'plain_text', |
| 2954 |
'text' => __('Type your message here...', 'mxchat') |
| 2955 |
] |
| 2956 |
] |
| 2957 |
] |
| 2958 |
], |
| 2959 |
'private_metadata' => $session_id |
| 2960 |
] |
| 2961 |
]) |
| 2962 |
]); |
| 2963 |
|
| 2964 |
//error_log('Views.open response: ' . print_r($response, true)); |
| 2965 |
|
| 2966 |
// Return immediate acknowledgment |
| 2967 |
return new WP_REST_Response(['ok' => true]); |
| 2968 |
} |
| 2969 |
|
| 2970 |
// Handle modal submission |
| 2971 |
// Handle modal submission |
| 2972 |
if ($payload['type'] === 'view_submission') { |
| 2973 |
$session_id = $payload['view']['private_metadata']; |
| 2974 |
$message = $payload['view']['state']['values']['reply_block']['message']['value']; |
| 2975 |
|
| 2976 |
// Save the message (keep the message_id but don't include in response) |
| 2977 |
$this->mxchat_save_chat_message($session_id, 'agent', $message); |
| 2978 |
|
| 2979 |
// Keep the original response format for Slack |
| 2980 |
return new WP_REST_Response([ |
| 2981 |
'response_action' => 'clear' |
| 2982 |
]); |
| 2983 |
} |
| 2984 |
|
| 2985 |
// Default acknowledgment |
| 2986 |
return new WP_REST_Response(['ok' => true]); |
| 2987 |
} |
| 2988 |
|
| 2989 |
public function mxchat_handle_agent_response(WP_REST_Request $request) { |
| 2990 |
//error_log('Received agent response request'); |
| 2991 |
//error_log('Request data: ' . print_r($request->get_params(), true)); |
| 2992 |
// error_log('Raw body: ' . file_get_contents('php://input')); |
| 2993 |
|
| 2994 |
// Get the data from Slack's slash command format |
| 2995 |
$command_text = $request->get_param('text'); |
| 2996 |
// error_log('Command text: ' . $command_text); |
| 2997 |
|
| 2998 |
if (empty($command_text)) { |
| 2999 |
//error_log(esc_html__('Agent response error: No command text received', 'mxchat')); |
| 3000 |
return new WP_REST_Response([ |
| 3001 |
'error' => esc_html__('Command text is required. Format: /reply session_id message', 'mxchat') |
| 3002 |
], 400); |
| 3003 |
} |
| 3004 |
|
| 3005 |
// Split the command text into session_id and message |
| 3006 |
$parts = explode(' ', $command_text, 2); |
| 3007 |
if (count($parts) !== 2) { |
| 3008 |
//error_log('Agent response error: Invalid command format'); |
| 3009 |
return new WP_REST_Response([ |
| 3010 |
'error' => esc_html__('Invalid format. Use: /reply session_id message', 'mxchat') |
| 3011 |
], 400); |
| 3012 |
} |
| 3013 |
|
| 3014 |
$session_id = sanitize_text_field($parts[0]); |
| 3015 |
$message = sanitize_text_field($parts[1]); |
| 3016 |
|
| 3017 |
//error_log("Processing agent response - Session ID: $session_id, Message: $message"); |
| 3018 |
|
| 3019 |
// Save the message |
| 3020 |
$message_id = $this->mxchat_save_chat_message($session_id, 'agent', $message); |
| 3021 |
|
| 3022 |
if (!$message_id) { |
| 3023 |
// error_log('Failed to save agent message'); |
| 3024 |
return new WP_REST_Response([ |
| 3025 |
'error' => esc_html__('Failed to save message', 'mxchat') |
| 3026 |
], 500); |
| 3027 |
} |
| 3028 |
|
| 3029 |
// Return success response in Slack's expected format |
| 3030 |
return new WP_REST_Response([ |
| 3031 |
'response_type' => 'in_channel', |
| 3032 |
'text' => esc_html__("Message sent successfully to session $session_id", 'mxchat') |
| 3033 |
], 200); |
| 3034 |
} |
| 3035 |
|
| 3036 |
|
| 3037 |
public function mxchat_handle_switch_to_chatbot_intent($message, $user_id, $session_id) { |
| 3038 |
//error_log(esc_html__("Switching back to chatbot mode via intent.", 'mxchat')); |
| 3039 |
|
| 3040 |
// Just update mode to AI |
| 3041 |
update_option("mxchat_mode_{$session_id}", 'ai'); |
| 3042 |
|
| 3043 |
// Initialize states |
| 3044 |
$this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []]; |
| 3045 |
$this->productCardHtml = ''; |
| 3046 |
|
| 3047 |
// Set the response message |
| 3048 |
$this->fallbackResponse['text'] = esc_html__('You are now chatting with the AI chatbot.', 'mxchat'); |
| 3049 |
|
| 3050 |
return true; // Intent was handled |
| 3051 |
} |
| 3052 |
|
| 3053 |
|
| 3054 |
|
| 3055 |
|
| 3056 |
// For the word upload handler |
| 3057 |
public function mxchat_handle_word_upload() { |
| 3058 |
// Delegate to word handler |
| 3059 |
$this->word_handler->mxchat_handle_word_upload(); |
| 3060 |
} |
| 3061 |
|
| 3062 |
// For the word removal handler |
| 3063 |
public function mxchat_handle_word_remove() { |
| 3064 |
// Delegate to word handler |
| 3065 |
$this->word_handler->mxchat_handle_word_remove(); |
| 3066 |
} |
| 3067 |
|
| 3068 |
// For the word status check |
| 3069 |
public function mxchat_check_word_status() { |
| 3070 |
// Delegate to word handler |
| 3071 |
$this->word_handler->mxchat_check_word_status(); |
| 3072 |
} |
| 3073 |
|
| 3074 |
|
| 3075 |
private function mxchat_get_user_identifier() { |
| 3076 |
return MxChat_User::mxchat_get_user_identifier(); |
| 3077 |
} |
| 3078 |
|
| 3079 |
private function mxchat_generate_embedding($text, $api_key) { |
| 3080 |
$endpoint = 'https://api.openai.com/v1/embeddings'; |
| 3081 |
|
| 3082 |
$body = wp_json_encode([ |
| 3083 |
'input' => $text, |
| 3084 |
'model' => 'text-embedding-ada-002' |
| 3085 |
]); |
| 3086 |
|
| 3087 |
$args = [ |
| 3088 |
'body' => $body, |
| 3089 |
'headers' => [ |
| 3090 |
'Content-Type' => 'application/json', |
| 3091 |
'Authorization' => 'Bearer ' . $api_key, |
| 3092 |
], |
| 3093 |
'timeout' => 60, |
| 3094 |
'redirection' => 5, |
| 3095 |
'blocking' => true, |
| 3096 |
'httpversion' => '1.0', |
| 3097 |
'sslverify' => true, |
| 3098 |
]; |
| 3099 |
|
| 3100 |
$response = wp_remote_post($endpoint, $args); |
| 3101 |
|
| 3102 |
if (is_wp_error($response)) { |
| 3103 |
return null; |
| 3104 |
} |
| 3105 |
|
| 3106 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 3107 |
|
| 3108 |
if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) { |
| 3109 |
return $response_body['data'][0]['embedding']; |
| 3110 |
} else { |
| 3111 |
return null; |
| 3112 |
} |
| 3113 |
} |
| 3114 |
|
| 3115 |
|
| 3116 |
private function mxchat_find_relevant_content($user_embedding) { |
| 3117 |
//error_log('MXChat Vector Search: Starting content search...'); |
| 3118 |
|
| 3119 |
// Retrieve the add-on settings from the database. |
| 3120 |
$addon_options = get_option('mxchat_pinecone_addon_options', array()); |
| 3121 |
|
| 3122 |
// Determine whether Pinecone is enabled. |
| 3123 |
// We expect the sanitized setting to be a string '1' if enabled, otherwise '0'. |
| 3124 |
$use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1') ? 1 : 0; |
| 3125 |
|
| 3126 |
//error_log('Pinecone enabled flag: ' . $use_pinecone); |
| 3127 |
|
| 3128 |
if ($use_pinecone === 1) { |
| 3129 |
//error_log('MXChat Vector Search: Using Pinecone database'); |
| 3130 |
return $this->find_relevant_content_pinecone($user_embedding); |
| 3131 |
} else { |
| 3132 |
//error_log('MXChat Vector Search: Using WordPress database'); |
| 3133 |
return $this->find_relevant_content_wordpress($user_embedding); |
| 3134 |
} |
| 3135 |
} |
| 3136 |
|
| 3137 |
private function find_relevant_content_wordpress($user_embedding) { |
| 3138 |
global $wpdb; |
| 3139 |
$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 3140 |
$cache_key = 'mxchat_system_prompt_embeddings'; |
| 3141 |
$batch_size = 500; |
| 3142 |
|
| 3143 |
// Retrieve embeddings from cache or database |
| 3144 |
$embeddings = wp_cache_get($cache_key, 'mxchat_system_prompts'); |
| 3145 |
if ($embeddings === false) { |
| 3146 |
$embeddings = []; |
| 3147 |
$offset = 0; |
| 3148 |
|
| 3149 |
// Load in batches and build cache |
| 3150 |
do { |
| 3151 |
$query = $wpdb->prepare( |
| 3152 |
"SELECT id, embedding_vector |
| 3153 |
FROM {$system_prompt_table} |
| 3154 |
LIMIT %d OFFSET %d", |
| 3155 |
$batch_size, |
| 3156 |
$offset |
| 3157 |
); |
| 3158 |
|
| 3159 |
$batch = $wpdb->get_results($query); |
| 3160 |
if (empty($batch)) { |
| 3161 |
break; |
| 3162 |
} |
| 3163 |
|
| 3164 |
$embeddings = array_merge($embeddings, $batch); |
| 3165 |
$offset += $batch_size; |
| 3166 |
|
| 3167 |
// Free memory |
| 3168 |
unset($batch); |
| 3169 |
|
| 3170 |
} while (true); |
| 3171 |
|
| 3172 |
if (empty($embeddings)) { |
| 3173 |
return ''; // Return an empty string if no embeddings found |
| 3174 |
} |
| 3175 |
wp_cache_set($cache_key, $embeddings, 'mxchat_system_prompts', 3600); |
| 3176 |
} |
| 3177 |
|
| 3178 |
// Initialize array to store relevant results with similarity scores |
| 3179 |
$relevant_results = []; |
| 3180 |
// Iterate through embeddings to calculate similarity |
| 3181 |
foreach ($embeddings as $embedding) { |
| 3182 |
$database_embedding = $embedding->embedding_vector |
| 3183 |
? unserialize($embedding->embedding_vector, ['allowed_classes' => false]) |
| 3184 |
: null; |
| 3185 |
if (is_array($database_embedding) && is_array($user_embedding)) { |
| 3186 |
$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding); |
| 3187 |
$relevant_results[] = [ |
| 3188 |
'id' => $embedding->id, |
| 3189 |
'similarity' => $similarity |
| 3190 |
]; |
| 3191 |
} |
| 3192 |
// Free memory |
| 3193 |
unset($database_embedding); |
| 3194 |
} |
| 3195 |
|
| 3196 |
// Retrieve the similarity threshold |
| 3197 |
$similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100; |
| 3198 |
|
| 3199 |
// Filter and sort relevant results by similarity |
| 3200 |
$relevant_results = array_filter($relevant_results, function ($result) use ($similarity_threshold) { |
| 3201 |
return $result['similarity'] >= $similarity_threshold; |
| 3202 |
}); |
| 3203 |
usort($relevant_results, function ($a, $b) { |
| 3204 |
return $b['similarity'] <=> $a['similarity']; |
| 3205 |
}); |
| 3206 |
|
| 3207 |
// Limit to the top 5 results |
| 3208 |
$top_results = array_slice($relevant_results, 0, 5); |
| 3209 |
|
| 3210 |
// Initialize the final content |
| 3211 |
$content = ''; |
| 3212 |
|
| 3213 |
// Fetch and combine content for the top results |
| 3214 |
foreach ($top_results as $result) { |
| 3215 |
$chunk_content = $this->fetch_content_with_product_links($result['id']); |
| 3216 |
// Check if the content is PDF-related and add surrounding pages |
| 3217 |
if (strpos($chunk_content, '{"document_type":"pdf"') !== false) { |
| 3218 |
$surrounding_content = $wpdb->get_results($wpdb->prepare( |
| 3219 |
"SELECT article_content FROM {$system_prompt_table} |
| 3220 |
WHERE id IN ( |
| 3221 |
(SELECT id FROM {$system_prompt_table} WHERE id < %d ORDER BY id DESC LIMIT 1), |
| 3222 |
(SELECT id FROM {$system_prompt_table} WHERE id > %d ORDER BY id ASC LIMIT 1) |
| 3223 |
)", |
| 3224 |
$result['id'], |
| 3225 |
$result['id'] |
| 3226 |
)); |
| 3227 |
// Add previous content if it exists |
| 3228 |
if (!empty($surrounding_content[0])) { |
| 3229 |
$content .= $surrounding_content[0]->article_content . "\n\n"; |
| 3230 |
} |
| 3231 |
// Add the main chunk content |
| 3232 |
$content .= $chunk_content . "\n\n"; |
| 3233 |
// Add next content if it exists |
| 3234 |
if (!empty($surrounding_content[1])) { |
| 3235 |
$content .= $surrounding_content[1]->article_content . "\n\n"; |
| 3236 |
} |
| 3237 |
} else { |
| 3238 |
// For non-PDF content, add directly |
| 3239 |
$content .= $chunk_content . "\n\n"; |
| 3240 |
} |
| 3241 |
} |
| 3242 |
|
| 3243 |
return trim($content); |
| 3244 |
} |
| 3245 |
/** |
| 3246 |
* Find relevant content in Pinecone vector database |
| 3247 |
*/ |
| 3248 |
private function find_relevant_content_pinecone($user_embedding) { |
| 3249 |
$options = get_option('mxchat_pinecone_addon_options', array()); |
| 3250 |
$api_key = $options['mxchat_pinecone_api_key'] ?? ''; |
| 3251 |
$host = $options['mxchat_pinecone_host'] ?? ''; |
| 3252 |
|
| 3253 |
if (empty($host) || empty($api_key)) { |
| 3254 |
//error_log('Pinecone credentials not properly configured'); |
| 3255 |
return ''; |
| 3256 |
} |
| 3257 |
|
| 3258 |
// Get similarity threshold from WordPress settings |
| 3259 |
$similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100; |
| 3260 |
|
| 3261 |
// Prepare the query request for Pinecone |
| 3262 |
$api_endpoint = "https://{$host}/query"; |
| 3263 |
|
| 3264 |
$request_body = array( |
| 3265 |
'vector' => $user_embedding, |
| 3266 |
'topK' => 5, |
| 3267 |
'includeMetadata' => true, |
| 3268 |
'includeValues' => true |
| 3269 |
); |
| 3270 |
|
| 3271 |
$response = wp_remote_post($api_endpoint, array( |
| 3272 |
'headers' => array( |
| 3273 |
'Api-Key' => $api_key, |
| 3274 |
'accept' => 'application/json', |
| 3275 |
'content-type' => 'application/json' |
| 3276 |
), |
| 3277 |
'body' => wp_json_encode($request_body), |
| 3278 |
'timeout' => 30 |
| 3279 |
)); |
| 3280 |
|
| 3281 |
if (is_wp_error($response)) { |
| 3282 |
//error_log('Pinecone query error: ' . $response->get_error_message()); |
| 3283 |
return ''; |
| 3284 |
} |
| 3285 |
|
| 3286 |
$response_code = wp_remote_retrieve_response_code($response); |
| 3287 |
if ($response_code !== 200) { |
| 3288 |
//error_log('Pinecone API error: ' . wp_remote_retrieve_body($response)); |
| 3289 |
return ''; |
| 3290 |
} |
| 3291 |
|
| 3292 |
$results = json_decode(wp_remote_retrieve_body($response), true); |
| 3293 |
if (empty($results['matches'])) { |
| 3294 |
return ''; |
| 3295 |
} |
| 3296 |
|
| 3297 |
// Initialize the final content |
| 3298 |
$content = ''; |
| 3299 |
|
| 3300 |
// Process each match |
| 3301 |
foreach ($results['matches'] as $match) { |
| 3302 |
// Skip if similarity is below threshold |
| 3303 |
if ($match['score'] < $similarity_threshold) { |
| 3304 |
continue; |
| 3305 |
} |
| 3306 |
|
| 3307 |
if (!empty($match['metadata']['text']) && !empty($match['metadata']['source_url'])) { |
| 3308 |
// Add content with citation |
| 3309 |
$content .= $match['metadata']['text'] . "\n"; |
| 3310 |
$content .= "Source: " . $match['metadata']['source_url'] . "\n\n"; |
| 3311 |
} |
| 3312 |
} |
| 3313 |
|
| 3314 |
return trim($content); |
| 3315 |
} |
| 3316 |
|
| 3317 |
|
| 3318 |
private function mxchat_find_relevant_products($user_embedding) { |
| 3319 |
//error_log('MXChat Vector Search: Starting product search...'); |
| 3320 |
|
| 3321 |
// Retrieve the add-on settings from the database |
| 3322 |
$addon_options = get_option('mxchat_pinecone_addon_options', array()); |
| 3323 |
|
| 3324 |
// Determine whether Pinecone is enabled |
| 3325 |
$use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1') ? 1 : 0; |
| 3326 |
|
| 3327 |
//error_log('Pinecone enabled flag: ' . $use_pinecone); |
| 3328 |
|
| 3329 |
if ($use_pinecone === 1) { |
| 3330 |
//error_log('MXChat Vector Search: Using Pinecone database for products'); |
| 3331 |
return $this->find_relevant_products_pinecone($user_embedding); |
| 3332 |
} else { |
| 3333 |
//error_log('MXChat Vector Search: Using WordPress database for products'); |
| 3334 |
return $this->find_relevant_products_wordpress($user_embedding); |
| 3335 |
} |
| 3336 |
} |
| 3337 |
|
| 3338 |
private function find_relevant_products_wordpress($user_embedding) { |
| 3339 |
global $wpdb; |
| 3340 |
$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 3341 |
$cache_key = 'mxchat_system_prompt_embeddings'; |
| 3342 |
$batch_size = 500; |
| 3343 |
|
| 3344 |
// Original WordPress database search logic |
| 3345 |
// [Previous implementation remains the same] |
| 3346 |
$embeddings = wp_cache_get($cache_key, 'mxchat_system_prompts'); |
| 3347 |
if ($embeddings === false) { |
| 3348 |
$embeddings = []; |
| 3349 |
$offset = 0; |
| 3350 |
|
| 3351 |
do { |
| 3352 |
$query = $wpdb->prepare( |
| 3353 |
"SELECT id, embedding_vector |
| 3354 |
FROM {$system_prompt_table} |
| 3355 |
LIMIT %d OFFSET %d", |
| 3356 |
$batch_size, |
| 3357 |
$offset |
| 3358 |
); |
| 3359 |
|
| 3360 |
$batch = $wpdb->get_results($query); |
| 3361 |
if (empty($batch)) { |
| 3362 |
break; |
| 3363 |
} |
| 3364 |
|
| 3365 |
$embeddings = array_merge($embeddings, $batch); |
| 3366 |
$offset += $batch_size; |
| 3367 |
|
| 3368 |
unset($batch); |
| 3369 |
|
| 3370 |
} while (true); |
| 3371 |
|
| 3372 |
if (empty($embeddings)) { |
| 3373 |
return ''; |
| 3374 |
} |
| 3375 |
wp_cache_set($cache_key, $embeddings, 'mxchat_system_prompts', 3600); |
| 3376 |
} |
| 3377 |
|
| 3378 |
$relevant_results = []; |
| 3379 |
foreach ($embeddings as $embedding) { |
| 3380 |
$database_embedding = $embedding->embedding_vector |
| 3381 |
? unserialize($embedding->embedding_vector, ['allowed_classes' => false]) |
| 3382 |
: null; |
| 3383 |
if (is_array($database_embedding) && is_array($user_embedding)) { |
| 3384 |
$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding); |
| 3385 |
$relevant_results[] = [ |
| 3386 |
'id' => $embedding->id, |
| 3387 |
'similarity' => $similarity |
| 3388 |
]; |
| 3389 |
} |
| 3390 |
unset($database_embedding); |
| 3391 |
} |
| 3392 |
|
| 3393 |
// Use fixed threshold for products |
| 3394 |
$similarity_threshold = 0.85; |
| 3395 |
|
| 3396 |
$relevant_results = array_filter($relevant_results, function ($result) use ($similarity_threshold) { |
| 3397 |
return $result['similarity'] >= $similarity_threshold; |
| 3398 |
}); |
| 3399 |
usort($relevant_results, function ($a, $b) { |
| 3400 |
return $b['similarity'] <=> $a['similarity']; |
| 3401 |
}); |
| 3402 |
|
| 3403 |
$top_results = array_slice($relevant_results, 0, 5); |
| 3404 |
$content = ''; |
| 3405 |
|
| 3406 |
foreach ($top_results as $result) { |
| 3407 |
$chunk_content = $this->fetch_content_with_product_links($result['id']); |
| 3408 |
$content .= $chunk_content . "\n\n"; |
| 3409 |
} |
| 3410 |
|
| 3411 |
return trim($content); |
| 3412 |
} |
| 3413 |
|
| 3414 |
// Modified search function with correct filter syntax |
| 3415 |
private function find_relevant_products_pinecone($user_embedding) { |
| 3416 |
//error_log('Starting Pinecone product search...'); |
| 3417 |
|
| 3418 |
$options = get_option('mxchat_pinecone_addon_options', array()); |
| 3419 |
$api_key = $options['mxchat_pinecone_api_key'] ?? ''; |
| 3420 |
$host = $options['mxchat_pinecone_host'] ?? ''; |
| 3421 |
|
| 3422 |
if (empty($host) || empty($api_key)) { |
| 3423 |
//error_log('Pinecone credentials not properly configured for product search'); |
| 3424 |
return ''; |
| 3425 |
} |
| 3426 |
|
| 3427 |
$similarity_threshold = 0.85; |
| 3428 |
$api_endpoint = "https://{$host}/query"; |
| 3429 |
|
| 3430 |
$request_body = array( |
| 3431 |
'vector' => $user_embedding, |
| 3432 |
'topK' => 5, |
| 3433 |
'includeMetadata' => true, |
| 3434 |
'includeValues' => true, |
| 3435 |
'filter' => array( |
| 3436 |
'type' => 'product' |
| 3437 |
) |
| 3438 |
); |
| 3439 |
|
| 3440 |
//error_log('Sending request to Pinecone with body: ' . wp_json_encode($request_body)); |
| 3441 |
|
| 3442 |
$response = wp_remote_post($api_endpoint, array( |
| 3443 |
'headers' => array( |
| 3444 |
'Api-Key' => $api_key, |
| 3445 |
'accept' => 'application/json', |
| 3446 |
'content-type' => 'application/json' |
| 3447 |
), |
| 3448 |
'body' => wp_json_encode($request_body), |
| 3449 |
'timeout' => 30 |
| 3450 |
)); |
| 3451 |
|
| 3452 |
if (is_wp_error($response)) { |
| 3453 |
//error_log('Pinecone product query error: ' . $response->get_error_message()); |
| 3454 |
return ''; |
| 3455 |
} |
| 3456 |
|
| 3457 |
$response_code = wp_remote_retrieve_response_code($response); |
| 3458 |
//error_log('Pinecone response code: ' . $response_code); |
| 3459 |
|
| 3460 |
if ($response_code !== 200) { |
| 3461 |
//error_log('Pinecone API error during product search: ' . wp_remote_retrieve_body($response)); |
| 3462 |
return ''; |
| 3463 |
} |
| 3464 |
|
| 3465 |
$results = json_decode(wp_remote_retrieve_body($response), true); |
| 3466 |
//error_log('Pinecone raw response: ' . wp_remote_retrieve_body($response)); |
| 3467 |
|
| 3468 |
if (empty($results['matches'])) { |
| 3469 |
//error_log('No matches found in Pinecone response'); |
| 3470 |
return ''; |
| 3471 |
} |
| 3472 |
|
| 3473 |
$content = ''; |
| 3474 |
foreach ($results['matches'] as $match) { |
| 3475 |
if ($match['score'] < $similarity_threshold) { |
| 3476 |
//error_log("Match below threshold: " . $match['score']); |
| 3477 |
continue; |
| 3478 |
} |
| 3479 |
|
| 3480 |
if (!empty($match['metadata']['text'])) { |
| 3481 |
$content .= $match['metadata']['text']; |
| 3482 |
if (!empty($match['metadata']['source_url'])) { |
| 3483 |
$content .= "\n\nFor more details, check out this product: " . esc_url($match['metadata']['source_url']); |
| 3484 |
} |
| 3485 |
$content .= "\n\n"; |
| 3486 |
} |
| 3487 |
} |
| 3488 |
|
| 3489 |
return trim($content); |
| 3490 |
} |
| 3491 |
|
| 3492 |
|
| 3493 |
private function fetch_content_with_product_links($most_relevant_id) { |
| 3494 |
global $wpdb; |
| 3495 |
$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 3496 |
|
| 3497 |
// Fetch the article content and associated product URL |
| 3498 |
$query = $wpdb->prepare("SELECT article_content, source_url FROM {$system_prompt_table} WHERE id = %d", $most_relevant_id); |
| 3499 |
$result = $wpdb->get_row($query); |
| 3500 |
|
| 3501 |
if ($result) { |
| 3502 |
// Append the product link to the content if available |
| 3503 |
$content = $result->article_content; |
| 3504 |
if (!empty($result->source_url)) { |
| 3505 |
$content .= "\n\nFor more details, check out this product: " . esc_url($result->source_url); |
| 3506 |
} |
| 3507 |
return $content; |
| 3508 |
} |
| 3509 |
|
| 3510 |
return null; |
| 3511 |
} |
| 3512 |
|
| 3513 |
// Function definition |
| 3514 |
private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $conversation_history) { |
| 3515 |
try { |
| 3516 |
if (!$relevant_content) { |
| 3517 |
return esc_html__("I'm sorry, I couldn't find relevant information on that topic.", 'mxchat'); |
| 3518 |
} |
| 3519 |
|
| 3520 |
// Ensure conversation_history is an array |
| 3521 |
if (!is_array($conversation_history)) { |
| 3522 |
$conversation_history = array(); |
| 3523 |
} |
| 3524 |
|
| 3525 |
// Get selected model with default fallback |
| 3526 |
$selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o'; |
| 3527 |
|
| 3528 |
// Extract model prefix to determine the provider |
| 3529 |
$model_parts = explode('-', $selected_model); |
| 3530 |
$provider = strtolower($model_parts[0]); |
| 3531 |
|
| 3532 |
// Handle model selection based on provider prefix |
| 3533 |
switch ($provider) { |
| 3534 |
case 'claude': |
| 3535 |
if (empty($claude_api_key)) { |
| 3536 |
throw new Exception(esc_html__('Claude API key is not configured', 'mxchat')); |
| 3537 |
} |
| 3538 |
return $this->mxchat_generate_response_claude( |
| 3539 |
$selected_model, |
| 3540 |
$claude_api_key, |
| 3541 |
$conversation_history, |
| 3542 |
$relevant_content |
| 3543 |
); |
| 3544 |
|
| 3545 |
case 'grok': |
| 3546 |
if (empty($xai_api_key)) { |
| 3547 |
throw new Exception(esc_html__('X.AI API key is not configured', 'mxchat')); |
| 3548 |
} |
| 3549 |
return $this->mxchat_generate_response_xai( |
| 3550 |
$selected_model, |
| 3551 |
$xai_api_key, |
| 3552 |
$conversation_history, |
| 3553 |
$relevant_content |
| 3554 |
); |
| 3555 |
|
| 3556 |
case 'deepseek': |
| 3557 |
if (empty($deepseek_api_key)) { |
| 3558 |
throw new Exception(esc_html__('DeepSeek API key is not configured', 'mxchat')); |
| 3559 |
} |
| 3560 |
return $this->mxchat_generate_response_deepseek( |
| 3561 |
$selected_model, |
| 3562 |
$deepseek_api_key, |
| 3563 |
$conversation_history, |
| 3564 |
$relevant_content |
| 3565 |
); |
| 3566 |
|
| 3567 |
case 'gpt': |
| 3568 |
if (empty($api_key)) { |
| 3569 |
throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat')); |
| 3570 |
} |
| 3571 |
return $this->mxchat_generate_response_openai( |
| 3572 |
$selected_model, |
| 3573 |
$api_key, |
| 3574 |
$conversation_history, |
| 3575 |
$relevant_content |
| 3576 |
); |
| 3577 |
|
| 3578 |
default: |
| 3579 |
// Default to OpenAI for custom models or unrecognized prefixes |
| 3580 |
if (empty($api_key)) { |
| 3581 |
throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat')); |
| 3582 |
} |
| 3583 |
return $this->mxchat_generate_response_openai( |
| 3584 |
$selected_model, |
| 3585 |
$api_key, |
| 3586 |
$conversation_history, |
| 3587 |
$relevant_content |
| 3588 |
); |
| 3589 |
} |
| 3590 |
} catch (Exception $e) { |
| 3591 |
//error_log('MXChat Error: ' . $e->getMessage()); |
| 3592 |
return sprintf( |
| 3593 |
esc_html__('An error occurred: %s', 'mxchat'), |
| 3594 |
esc_html($e->getMessage()) |
| 3595 |
); |
| 3596 |
} |
| 3597 |
} |
| 3598 |
|
| 3599 |
|
| 3600 |
private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) { |
| 3601 |
// Ensure conversation_history is an array |
| 3602 |
if (!is_array($conversation_history)) { |
| 3603 |
$conversation_history = array(); |
| 3604 |
} |
| 3605 |
|
| 3606 |
// Get system prompt instructions from options |
| 3607 |
$system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : ''; |
| 3608 |
|
| 3609 |
// Create a new array for the formatted conversation |
| 3610 |
$formatted_conversation = array(); |
| 3611 |
|
| 3612 |
// Add system message first |
| 3613 |
$formatted_conversation[] = array( |
| 3614 |
'role' => 'system', |
| 3615 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 3616 |
); |
| 3617 |
|
| 3618 |
// Add the rest of the conversation history |
| 3619 |
foreach ($conversation_history as $message) { |
| 3620 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 3621 |
$role = $message['role']; |
| 3622 |
|
| 3623 |
// Convert roles to supported format |
| 3624 |
if ($role === 'bot' || $role === 'agent') { |
| 3625 |
$role = 'assistant'; |
| 3626 |
} |
| 3627 |
if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 3628 |
$role = 'user'; |
| 3629 |
} |
| 3630 |
|
| 3631 |
$formatted_conversation[] = array( |
| 3632 |
'role' => $role, |
| 3633 |
'content' => $message['content'] |
| 3634 |
); |
| 3635 |
} |
| 3636 |
} |
| 3637 |
|
| 3638 |
$body = json_encode([ |
| 3639 |
'model' => $selected_model, |
| 3640 |
'messages' => $formatted_conversation, |
| 3641 |
'temperature' => 0.8, |
| 3642 |
'stream' => false |
| 3643 |
]); |
| 3644 |
|
| 3645 |
$args = [ |
| 3646 |
'body' => $body, |
| 3647 |
'headers' => [ |
| 3648 |
'Content-Type' => 'application/json', |
| 3649 |
'Authorization' => 'Bearer ' . $deepseek_api_key, |
| 3650 |
], |
| 3651 |
'timeout' => 60, |
| 3652 |
'redirection' => 5, |
| 3653 |
'blocking' => true, |
| 3654 |
'httpversion' => '1.0', |
| 3655 |
'sslverify' => true, |
| 3656 |
]; |
| 3657 |
|
| 3658 |
$response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args); |
| 3659 |
|
| 3660 |
if (is_wp_error($response)) { |
| 3661 |
//error_log('DeepSeek API Error: ' . $response->get_error_message()); |
| 3662 |
return "Sorry, there was an error processing your request."; |
| 3663 |
} |
| 3664 |
|
| 3665 |
$response_body = wp_remote_retrieve_body($response); |
| 3666 |
$decoded_response = json_decode($response_body, true); |
| 3667 |
|
| 3668 |
if (isset($decoded_response['choices'][0]['message']['content'])) { |
| 3669 |
return trim($decoded_response['choices'][0]['message']['content']); |
| 3670 |
} else { |
| 3671 |
//error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true)); |
| 3672 |
return "Sorry, I couldn't process that request."; |
| 3673 |
} |
| 3674 |
} |
| 3675 |
|
| 3676 |
private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) { |
| 3677 |
// Ensure conversation_history is an array |
| 3678 |
if (!is_array($conversation_history)) { |
| 3679 |
$conversation_history = array(); |
| 3680 |
} |
| 3681 |
|
| 3682 |
// Get system prompt instructions from options |
| 3683 |
$system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : ''; |
| 3684 |
|
| 3685 |
// Create a new array for the formatted conversation |
| 3686 |
$formatted_conversation = array(); |
| 3687 |
|
| 3688 |
// Add system message first |
| 3689 |
$formatted_conversation[] = array( |
| 3690 |
'role' => 'system', |
| 3691 |
'content' => $system_prompt_instructions . " " . $relevant_content |
| 3692 |
); |
| 3693 |
|
| 3694 |
// Add the rest of the conversation history |
| 3695 |
foreach ($conversation_history as $message) { |
| 3696 |
if (is_array($message) && isset($message['role']) && isset($message['content'])) { |
| 3697 |
$role = $message['role']; |
| 3698 |
|
| 3699 |
// Convert roles to supported format |
| 3700 |
if ($role === 'bot' || $role === 'agent') { |
| 3701 |
$role = 'assistant'; |
| 3702 |
} |
| 3703 |
if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 3704 |
$role = 'user'; |
| 3705 |
} |
| 3706 |
|
| 3707 |
$formatted_conversation[] = array( |
| 3708 |
'role' => $role, |
| 3709 |
'content' => $message['content'] |
| 3710 |
); |
| 3711 |
} |
| 3712 |
} |
| 3713 |
|
| 3714 |
$body = json_encode([ |
| 3715 |
'model' => $selected_model, |
| 3716 |
'messages' => $formatted_conversation, |
| 3717 |
'temperature' => 0.8, |
| 3718 |
'stream' => false |
| 3719 |
]); |
| 3720 |
|
| 3721 |
$args = [ |
| 3722 |
'body' => $body, |
| 3723 |
'headers' => [ |
| 3724 |
'Content-Type' => 'application/json', |
| 3725 |
'Authorization' => 'Bearer ' . $api_key, |
| 3726 |
], |
| 3727 |
'timeout' => 60, |
| 3728 |
'redirection' => 5, |
| 3729 |
'blocking' => true, |
| 3730 |
'httpversion' => '1.0', |
| 3731 |
'sslverify' => true, |
| 3732 |
]; |
| 3733 |
|
| 3734 |
$response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args); |
| 3735 |
|
| 3736 |
if (is_wp_error($response)) { |
| 3737 |
//error_log('OpenAI API Error: ' . $response->get_error_message()); |
| 3738 |
return "Sorry, there was an error processing your request."; |
| 3739 |
} |
| 3740 |
|
| 3741 |
$response_body = wp_remote_retrieve_body($response); |
| 3742 |
$decoded_response = json_decode($response_body, true); |
| 3743 |
|
| 3744 |
if (isset($decoded_response['choices'][0]['message']['content'])) { |
| 3745 |
return trim($decoded_response['choices'][0]['message']['content']); |
| 3746 |
} else { |
| 3747 |
//error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true)); |
| 3748 |
return "Sorry, I couldn't process that request."; |
| 3749 |
} |
| 3750 |
} |
| 3751 |
private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) { |
| 3752 |
// Get system prompt instructions from options |
| 3753 |
$system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : ''; |
| 3754 |
|
| 3755 |
// Add system prompt to relevant content |
| 3756 |
$content_with_instructions = $system_prompt_instructions . " " . $relevant_content; |
| 3757 |
|
| 3758 |
// Prepend system instructions to the conversation history |
| 3759 |
array_unshift($conversation_history, [ |
| 3760 |
'role' => 'system', |
| 3761 |
'content' => "Here are your instructions: " . $content_with_instructions |
| 3762 |
]); |
| 3763 |
|
| 3764 |
// Ensure consistency: Replace 'bot' and 'agent' roles with supported values |
| 3765 |
foreach ($conversation_history as &$message) { |
| 3766 |
if ($message['role'] === 'bot') { |
| 3767 |
$message['role'] = 'assistant'; |
| 3768 |
} elseif ($message['role'] === 'agent') { |
| 3769 |
// Tag the message as coming from a live agent |
| 3770 |
$message['role'] = 'assistant'; |
| 3771 |
if (!isset($message['metadata'])) { |
| 3772 |
$message['metadata'] = ['source' => 'live_agent']; |
| 3773 |
} |
| 3774 |
} |
| 3775 |
|
| 3776 |
// Ensure all roles are valid |
| 3777 |
if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) { |
| 3778 |
$message['role'] = 'user'; // Default to 'user' |
| 3779 |
} |
| 3780 |
} |
| 3781 |
|
| 3782 |
|
| 3783 |
// Build the request body |
| 3784 |
$body = json_encode([ |
| 3785 |
'model' => $selected_model, |
| 3786 |
'messages' => $conversation_history, |
| 3787 |
'temperature' => 0.8, |
| 3788 |
'stream' => false |
| 3789 |
]); |
| 3790 |
|
| 3791 |
// Set up the API request |
| 3792 |
$args = [ |
| 3793 |
'body' => $body, |
| 3794 |
'headers' => [ |
| 3795 |
'Content-Type' => 'application/json', |
| 3796 |
'Authorization' => 'Bearer ' . $xai_api_key, |
| 3797 |
], |
| 3798 |
'timeout' => 60, |
| 3799 |
'redirection' => 5, |
| 3800 |
'blocking' => true, |
| 3801 |
'httpversion' => '1.0', |
| 3802 |
'sslverify' => true, |
| 3803 |
]; |
| 3804 |
|
| 3805 |
// Make the API request |
| 3806 |
$response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args); |
| 3807 |
|
| 3808 |
// Process the response |
| 3809 |
if (is_wp_error($response)) { |
| 3810 |
return "Sorry, there was an error processing your request."; |
| 3811 |
} |
| 3812 |
|
| 3813 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 3814 |
|
| 3815 |
if (isset($response_body['choices'][0]['message']['content'])) { |
| 3816 |
return trim($response_body['choices'][0]['message']['content']); |
| 3817 |
} else { |
| 3818 |
return "Sorry, I couldn't process that request."; |
| 3819 |
} |
| 3820 |
} |
| 3821 |
|
| 3822 |
private function mxchat_generate_response_claude($selected_model, $claude_api_key, $conversation_history, $relevant_content) { |
| 3823 |
// Get system prompt instructions from options |
| 3824 |
$system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : ''; |
| 3825 |
|
| 3826 |
// Clean and validate conversation history |
| 3827 |
foreach ($conversation_history as &$message) { |
| 3828 |
// Convert bot and agent roles to assistant |
| 3829 |
if ($message['role'] === 'bot' || $message['role'] === 'agent') { |
| 3830 |
$message['role'] = 'assistant'; |
| 3831 |
} |
| 3832 |
|
| 3833 |
// Remove unsupported roles - Claude only supports 'assistant' and 'user' |
| 3834 |
if (!in_array($message['role'], ['assistant', 'user'])) { |
| 3835 |
$message['role'] = 'user'; |
| 3836 |
} |
| 3837 |
|
| 3838 |
// Ensure content field exists |
| 3839 |
if (!isset($message['content']) || empty($message['content'])) { |
| 3840 |
$message['content'] = ''; |
| 3841 |
} |
| 3842 |
|
| 3843 |
// Remove any unsupported fields |
| 3844 |
$message = array_intersect_key($message, array_flip(['role', 'content'])); |
| 3845 |
} |
| 3846 |
|
| 3847 |
// Add relevant content as the latest user message |
| 3848 |
$conversation_history[] = [ |
| 3849 |
'role' => 'user', |
| 3850 |
'content' => $relevant_content |
| 3851 |
]; |
| 3852 |
|
| 3853 |
// Build request body |
| 3854 |
$body = json_encode([ |
| 3855 |
'model' => $selected_model, |
| 3856 |
'max_tokens' => 1000, |
| 3857 |
'temperature' => 0.8, |
| 3858 |
'messages' => $conversation_history, |
| 3859 |
'system' => $system_prompt_instructions |
| 3860 |
]); |
| 3861 |
|
| 3862 |
// Set up API request |
| 3863 |
$args = [ |
| 3864 |
'body' => $body, |
| 3865 |
'headers' => [ |
| 3866 |
'Content-Type' => 'application/json', |
| 3867 |
'x-api-key' => $claude_api_key, |
| 3868 |
'anthropic-version' => '2023-06-01' |
| 3869 |
], |
| 3870 |
'timeout' => 60, |
| 3871 |
'redirection' => 5, |
| 3872 |
'blocking' => true, |
| 3873 |
'httpversion' => '1.0', |
| 3874 |
'sslverify' => true, |
| 3875 |
]; |
| 3876 |
|
| 3877 |
// Make API request |
| 3878 |
$response = wp_remote_post('https://api.anthropic.com/v1/messages', $args); |
| 3879 |
|
| 3880 |
// Check for WordPress errors |
| 3881 |
if (is_wp_error($response)) { |
| 3882 |
//error_log("Claude API request error: " . $response->get_error_message()); |
| 3883 |
return "Sorry, there was an error connecting to the API."; |
| 3884 |
} |
| 3885 |
|
| 3886 |
// Check HTTP response code |
| 3887 |
$http_code = wp_remote_retrieve_response_code($response); |
| 3888 |
if ($http_code !== 200) { |
| 3889 |
$error_body = wp_remote_retrieve_body($response); |
| 3890 |
//error_log("Claude API HTTP error: " . $http_code . " - " . $error_body); |
| 3891 |
|
| 3892 |
// Try to extract error message from response |
| 3893 |
$error_data = json_decode($error_body, true); |
| 3894 |
$error_message = isset($error_data['error']['message']) ? |
| 3895 |
$error_data['error']['message'] : |
| 3896 |
"HTTP error " . $http_code; |
| 3897 |
|
| 3898 |
return "Sorry, the API returned an error: " . $error_message; |
| 3899 |
} |
| 3900 |
|
| 3901 |
// Parse response |
| 3902 |
$response_body = json_decode(wp_remote_retrieve_body($response), true); |
| 3903 |
|
| 3904 |
// Check for JSON decode errors |
| 3905 |
if (json_last_error() !== JSON_ERROR_NONE) { |
| 3906 |
//error_log("Claude API JSON decode error: " . json_last_error_msg()); |
| 3907 |
return "Sorry, there was an error processing the API response."; |
| 3908 |
} |
| 3909 |
|
| 3910 |
// Extract and validate response content |
| 3911 |
if (isset($response_body['content']) && |
| 3912 |
is_array($response_body['content']) && |
| 3913 |
!empty($response_body['content']) && |
| 3914 |
isset($response_body['content'][0]['text'])) { |
| 3915 |
return trim($response_body['content'][0]['text']); |
| 3916 |
} |
| 3917 |
|
| 3918 |
// Log unexpected response format |
| 3919 |
//error_log("Claude API unexpected response format: " . print_r($response_body, true)); |
| 3920 |
return "Sorry, I received an unexpected response format from the API."; |
| 3921 |
} |
| 3922 |
public function mxchat_dismiss_pre_chat_message() { |
| 3923 |
// Get and sanitize the user identifier |
| 3924 |
$user_id = $this->mxchat_get_user_identifier(); |
| 3925 |
$user_id = sanitize_key($user_id); |
| 3926 |
|
| 3927 |
// Set a transient to track that the user has dismissed the pre-chat message |
| 3928 |
$transient_key = 'mxchat_pre_chat_message_dismissed_' . $user_id; |
| 3929 |
set_transient($transient_key, true, DAY_IN_SECONDS); |
| 3930 |
|
| 3931 |
wp_send_json_success(); |
| 3932 |
} |
| 3933 |
|
| 3934 |
public function mxchat_check_pre_chat_message_status() { |
| 3935 |
// Get and sanitize the user identifier |
| 3936 |
$user_id = $this->mxchat_get_user_identifier(); |
| 3937 |
$user_id = sanitize_key($user_id); |
| 3938 |
|
| 3939 |
// Check if the transient exists (i.e., if the message was dismissed) |
| 3940 |
$transient_key = 'mxchat_pre_chat_message_dismissed_' . $user_id; |
| 3941 |
$dismissed = get_transient($transient_key); |
| 3942 |
|
| 3943 |
// Log the result to see if it's being set correctly |
| 3944 |
//error_log("Check pre-chat message dismissed for $user_id: " . ($dismissed ? 'Yes' : 'No')); |
| 3945 |
|
| 3946 |
if ($dismissed) { |
| 3947 |
wp_send_json_success(['dismissed' => true]); |
| 3948 |
} else { |
| 3949 |
wp_send_json_success(['dismissed' => false]); |
| 3950 |
} |
| 3951 |
|
| 3952 |
wp_die(); |
| 3953 |
} |
| 3954 |
|
| 3955 |
private function mxchat_calculate_cosine_similarity($vectorA, $vectorB) { |
| 3956 |
if (!is_array($vectorA) || !is_array($vectorB) || empty($vectorA) || empty($vectorB)) { |
| 3957 |
return 0; |
| 3958 |
} |
| 3959 |
|
| 3960 |
$dotProduct = array_sum(array_map(function ($a, $b) { |
| 3961 |
return $a * $b; |
| 3962 |
}, $vectorA, $vectorB)); |
| 3963 |
$normA = sqrt(array_sum(array_map(function ($a) { |
| 3964 |
return $a * $a; |
| 3965 |
}, $vectorA))); |
| 3966 |
$normB = sqrt(array_sum(array_map(function ($b) { |
| 3967 |
return $b * $b; |
| 3968 |
}, $vectorB))); |
| 3969 |
|
| 3970 |
if ($normA == 0 || $normB == 0) { |
| 3971 |
return 0; |
| 3972 |
} |
| 3973 |
|
| 3974 |
return $dotProduct / ($normA * $normB); |
| 3975 |
} |
| 3976 |
|
| 3977 |
public function mxchat_enqueue_scripts_styles() { |
| 3978 |
// Define version numbers for the styles and scripts |
| 3979 |
$chat_style_version = '2.0.3'; // Replace with your actual version |
| 3980 |
$chat_script_version = '2.0.3'; // Replace with your actual version |
| 3981 |
|
| 3982 |
// Enqueue the script |
| 3983 |
wp_enqueue_script( |
| 3984 |
'mxchat-chat-js', |
| 3985 |
plugin_dir_url(__FILE__) . '../js/chat-script.js', |
| 3986 |
array('jquery'), |
| 3987 |
$chat_script_version, |
| 3988 |
true |
| 3989 |
); |
| 3990 |
|
| 3991 |
// Enqueue the CSS |
| 3992 |
wp_enqueue_style( |
| 3993 |
'mxchat-chat-css', |
| 3994 |
plugin_dir_url(__FILE__) . '../css/chat-style.css', |
| 3995 |
array(), |
| 3996 |
$chat_style_version |
| 3997 |
); |
| 3998 |
|
| 3999 |
// Fetch options from the database |
| 4000 |
$this->options = get_option('mxchat_options'); |
| 4001 |
$prompts_options = get_option('mxchat_prompts_options', array()); |
| 4002 |
|
| 4003 |
// Prepare settings for JavaScript |
| 4004 |
$style_settings = array( |
| 4005 |
'ajax_url' => admin_url('admin-ajax.php'), |
| 4006 |
'nonce' => wp_create_nonce('mxchat_chat_nonce'), |
| 4007 |
'link_target_toggle' => $this->options['link_target_toggle'] ?? 'off', |
| 4008 |
'rate_limit_message' => $this->options['rate_limit_message'] ?? 'Rate limit exceeded. Please try again later.', |
| 4009 |
'complianz_toggle' => isset($this->options['complianz_toggle']) && $this->options['complianz_toggle'] === 'on', |
| 4010 |
'user_message_bg_color' => $this->options['user_message_bg_color'] ?? '#fff', |
| 4011 |
'user_message_font_color' => $this->options['user_message_font_color'] ?? '#212121', |
| 4012 |
'bot_message_bg_color' => $this->options['bot_message_bg_color'] ?? '#212121', |
| 4013 |
'bot_message_font_color' => $this->options['bot_message_font_color'] ?? '#fff', |
| 4014 |
'top_bar_bg_color' => $this->options['top_bar_bg_color'] ?? '#212121', |
| 4015 |
'send_button_font_color' => $this->options['send_button_font_color'] ?? '#212121', |
| 4016 |
'close_button_color' => $this->options['close_button_color'] ?? '#fff', |
| 4017 |
'chatbot_background_color' => $this->options['chatbot_background_color'] ?? '#212121', |
| 4018 |
'chatbot_bg_color' => $this->options['chatbot_bg_color'] ?? '#fff', |
| 4019 |
'icon_color' => $this->options['icon_color'] ?? '#fff', |
| 4020 |
'chat_input_font_color' => $this->options['chat_input_font_color'] ?? '#212121', |
| 4021 |
'chat_persistence_toggle' => $this->options['chat_persistence_toggle'] ?? 'off', |
| 4022 |
'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off', // Example for consistency |
| 4023 |
|
| 4024 |
'live_agent_message_bg_color' => $this->options['live_agent_message_bg_color'] ?? '#ffffff', |
| 4025 |
'live_agent_message_font_color' => $this->options['live_agent_message_font_color'] ?? '#333333', |
| 4026 |
'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off', |
| 4027 |
'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676', |
| 4028 |
'mode_indicator_font_color' => $this->options['mode_indicator_font_color'] ?? '#ffffff', |
| 4029 |
'toolbar_icon_color' => $this->options['toolbar_icon_color'] ?? '#212121', |
| 4030 |
|
| 4031 |
'use_pinecone' => $prompts_options['mxchat_use_pinecone'] ?? '0', |
| 4032 |
'pinecone_enabled' => isset($prompts_options['mxchat_use_pinecone']) && $prompts_options['mxchat_use_pinecone'] === '1' |
| 4033 |
); |
| 4034 |
|
| 4035 |
// Pass the settings to the script |
| 4036 |
wp_localize_script('mxchat-chat-js', 'mxchatChat', $style_settings); |
| 4037 |
} |
| 4038 |
|
| 4039 |
|
| 4040 |
public function mxchat_reset_rate_limits() { |
| 4041 |
global $wpdb; |
| 4042 |
|
| 4043 |
// Define a cache key pattern for rate limits |
| 4044 |
$cache_key_pattern = 'mxchat_chat_limit_%'; |
| 4045 |
|
| 4046 |
// Retrieve all option names matching the pattern |
| 4047 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.DirectQuery |
| 4048 |
$option_names = $wpdb->get_col("SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'"); |
| 4049 |
|
| 4050 |
// db call ok; no-cache ok |
| 4051 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery -- db call ok |
| 4052 |
$wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'"); |
| 4053 |
|
| 4054 |
// Clear the relevant cache entries |
| 4055 |
foreach ($option_names as $option_name) { |
| 4056 |
wp_cache_delete($option_name, 'options'); |
| 4057 |
} |
| 4058 |
|
| 4059 |
// Optionally, clear a general cache if you have one |
| 4060 |
wp_cache_delete('mxchat_all_chat_limits', 'options'); |
| 4061 |
} |
| 4062 |
|
| 4063 |
private function mxchat_fetch_woocommerce_products() { |
| 4064 |
// Ensure WooCommerce is active |
| 4065 |
if (!class_exists('WooCommerce')) { |
| 4066 |
return []; |
| 4067 |
} |
| 4068 |
|
| 4069 |
$args = array( |
| 4070 |
'post_type' => 'product', |
| 4071 |
'post_status' => 'publish', |
| 4072 |
'posts_per_page' => -1, |
| 4073 |
); |
| 4074 |
|
| 4075 |
$products = get_posts($args); |
| 4076 |
$product_data = []; |
| 4077 |
|
| 4078 |
foreach ($products as $product) { |
| 4079 |
$product_id = $product->ID; |
| 4080 |
$product_obj = wc_get_product($product_id); |
| 4081 |
|
| 4082 |
$product_data[] = array( |
| 4083 |
'id' => $product_id, |
| 4084 |
'name' => $product_obj->get_name(), |
| 4085 |
'description' => $product_obj->get_description(), |
| 4086 |
'short_description' => $product_obj->get_short_description(), |
| 4087 |
'url' => get_permalink($product_id), |
| 4088 |
'price' => $product_obj->get_regular_price(), |
| 4089 |
'sale_price' => $product_obj->get_sale_price(), |
| 4090 |
'stock_status' => $product_obj->get_stock_status(), |
| 4091 |
'sku' => $product_obj->get_sku(), |
| 4092 |
'in_stock' => $product_obj->is_in_stock(), |
| 4093 |
'total_sales' => $product_obj->get_total_sales(), |
| 4094 |
); |
| 4095 |
} |
| 4096 |
|
| 4097 |
return $product_data; |
| 4098 |
} |
| 4099 |
|
| 4100 |
} |
| 4101 |
?> |
| 4102 |
|
