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MxChat – AI Chatbot & Content Generation for WordPress / 2.6.0
MxChat – AI Chatbot & Content Generation for WordPress v2.6.0
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← All changes | admin/class-ajax-handler.php +53 -857 3.2.132.6.0 View file →
@@ -40,315 +40,10 @@
40 40 add_action('wp_ajax_mxchat_update_intent_threshold', array($this, 'mxchat_update_intent_threshold'));
41 41
42 42 add_action('wp_ajax_mxchat_save_selected_bot', array($this, 'mxchat_save_selected_bot'));
43 43 add_action('wp_ajax_mxchat_check_api_keys', array($this, 'mxchat_check_api_keys'));
44 -
45 - // Debug & Optimization AJAX
46 - add_action('wp_ajax_mxchat_toggle_debug_mode', array($this, 'mxchat_toggle_debug_mode_callback'));
47 - add_action('wp_ajax_mxchat_get_debug_log', array($this, 'mxchat_get_debug_log_callback'));
48 - add_action('wp_ajax_mxchat_clear_debug_log', array($this, 'mxchat_clear_debug_log_callback'));
49 - add_action('wp_ajax_mxchat_export_settings', array($this, 'mxchat_export_settings_callback'));
50 - add_action('wp_ajax_mxchat_reset_all_settings', array($this, 'mxchat_reset_all_settings_callback'));
51 -
52 - // Global rate-limit usage counter reset (admin-only, nonce-guarded)
53 - add_action('wp_ajax_mxchat_reset_global_rate_limit', array($this, 'mxchat_reset_global_rate_limit_callback'));
54 -
55 - // Custom (OpenAI-compatible) Provider connection test
56 - add_action('wp_ajax_mxchat_test_custom_provider', array($this, 'mxchat_test_custom_provider_callback'));
57 -
58 - // Built-in provider key validation — cheap per-provider auth check (plan-mxchat-20260623-c41f74)
59 - add_action('wp_ajax_mxchat_test_provider_key', array($this, 'mxchat_test_provider_key_callback'));
60 -
61 - // Custom Post Meta discovery scan for the KB whitelist picker (plan-mxchat-20260709-fe8e4e)
62 - add_action('wp_ajax_mxchat_scan_custom_meta_keys', array($this, 'mxchat_scan_custom_meta_keys_callback'));
63 44 }
64 45
65 -/**
66 - * Discover non-ACF custom post-meta keys present on published public content, so the
67 - * KB → Custom Post Meta section can offer a click-to-add picker instead of a blind
68 - * "type the exact key you already know" textarea. plan-mxchat-20260709-fe8e4e.
69 - *
70 - * Bounded + button-triggered only (never on page load). Returns up to 50 keys by
71 - * frequency, each with a short sample value, so the owner can judge relevance before
72 - * whitelisting. Underscore-prefixed (protected/internal) keys are hidden unless the
73 - * caller opts in; ACF-managed keys are excluded so this picker never double-lists the
74 - * sibling ACF discovery picker on the same page.
75 - */
76 -public function mxchat_scan_custom_meta_keys_callback() {
77 - check_ajax_referer('mxchat_prompts_setting_nonce');
78 -
79 - if (!current_user_can('manage_options')) {
80 - wp_send_json_error(['message' => esc_html__('Unauthorized', 'mxchat')]);
81 - }
82 -
83 - global $wpdb;
84 -
85 - $include_internal = isset($_POST['include_internal']) && $_POST['include_internal'] === '1';
86 -
87 - // Restrict discovery to public post types (the content the KB actually embeds).
88 - $post_types = get_post_types(array('public' => true), 'names');
89 - if (empty($post_types)) {
90 - wp_send_json_success(array('keys' => array(), 'scanned' => 0));
91 - }
92 - $pt_placeholders = implode(',', array_fill(0, count($post_types), '%s'));
93 -
94 - // Build the set of ACF-managed meta keys to exclude. ACF stores, alongside each
95 - // value key `foo`, a reference key `_foo` whose value is the ACF field key
96 - // (`field_xxxxx`). Strip the leading underscore from every such reference key to
97 - // get the real meta key, and exclude those — the ACF picker on this page owns them.
98 - $acf_managed = array();
99 - $acf_refs = $wpdb->get_col(
100 - $wpdb->prepare(
101 - "SELECT DISTINCT meta_key FROM {$wpdb->postmeta} WHERE meta_key LIKE %s AND meta_value LIKE %s",
102 - $wpdb->esc_like('_') . '%',
103 - $wpdb->esc_like('field_') . '%'
104 - )
105 - );
106 - foreach ((array) $acf_refs as $ref_key) {
107 - if (strlen($ref_key) > 1 && $ref_key[0] === '_') {
108 - $acf_managed[substr($ref_key, 1)] = true;
109 - }
110 - }
111 -
112 - // Discover keys + counts + a sample value in one bounded aggregate query.
113 - // SUBSTRING(MIN(...)) keeps the sample selection ONLY_FULL_GROUP_BY-safe.
114 - $params = $post_types;
115 - $sql = "SELECT pm.meta_key AS mk, COUNT(*) AS n, SUBSTRING(MIN(pm.meta_value), 1, 200) AS sample
116 - FROM {$wpdb->postmeta} pm
117 - INNER JOIN {$wpdb->posts} p ON p.ID = pm.post_id
118 - WHERE p.post_status = 'publish'
119 - AND p.post_type IN ($pt_placeholders)
120 - AND pm.meta_key <> ''";
121 - if (!$include_internal) {
122 - $sql .= " AND pm.meta_key NOT LIKE %s";
123 - $params[] = $wpdb->esc_like('_') . '%';
124 - }
125 - $sql .= " GROUP BY pm.meta_key ORDER BY n DESC, pm.meta_key ASC LIMIT 200";
126 -
127 - // phpcs:ignore WordPress.DB.PreparedSQL — placeholders assembled above, values in $params.
128 - $rows = $wpdb->get_results($wpdb->prepare($sql, $params));
129 -
130 - $keys = array();
131 - foreach ((array) $rows as $row) {
132 - $mk = $row->mk;
133 - if (isset($acf_managed[$mk])) {
134 - continue; // already offered by the ACF picker
135 - }
136 -
137 - $raw = (string) $row->sample;
138 - if ($raw !== '' && (is_serialized($raw) || preg_match('/^(a:\d+:\{|O:\d+:"|s:\d+:")/', $raw))) {
139 - $sample = esc_html__('[structured value]', 'mxchat');
140 - } else {
141 - $sample = trim(preg_replace('/\s+/', ' ', $raw));
142 - if (function_exists('mb_strlen') ? mb_strlen($sample) > 60 : strlen($sample) > 60) {
143 - $sample = (function_exists('mb_substr') ? mb_substr($sample, 0, 60) : substr($sample, 0, 60)) . '…';
144 - }
145 - if ($sample === '') {
146 - $sample = esc_html__('(empty value)', 'mxchat');
147 - }
148 - }
149 -
150 - $keys[] = array(
151 - 'key' => $mk,
152 - 'count' => (int) $row->n,
153 - 'sample' => $sample,
154 - );
155 -
156 - if (count($keys) >= 50) {
157 - break;
158 - }
159 - }
160 -
161 - wp_send_json_success(array(
162 - 'keys' => $keys,
163 - 'scanned' => is_array($rows) ? count($rows) : 0,
164 - ));
165 -}
166 -
167 -/**
168 - * Test connection to a Custom (OpenAI-compatible) provider by hitting its /models endpoint
169 - * with whichever auth scheme the user configured. Reports model count or a clean error.
170 - */
171 -public function mxchat_test_custom_provider_callback() {
172 - check_ajax_referer('mxchat_test_custom_provider');
173 - if (!current_user_can('manage_options')) {
174 - wp_send_json_error(array('message' => esc_html__('Unauthorized', 'mxchat')));
175 - }
176 -
177 - $options = get_option('mxchat_options', array());
178 - $base_url = isset($options['custom_provider_base_url']) ? trim((string) $options['custom_provider_base_url']) : '';
179 - $api_key = isset($options['custom_provider_api_key']) ? trim((string) $options['custom_provider_api_key']) : '';
180 - $auth = isset($options['custom_provider_auth_scheme']) ? $options['custom_provider_auth_scheme'] : 'bearer';
181 - $api_version = isset($options['custom_provider_api_version']) ? trim((string) $options['custom_provider_api_version']) : '';
182 -
183 - if (empty($base_url)) {
184 - wp_send_json_error(array('message' => esc_html__('Base URL is empty. Save it first.', 'mxchat')));
185 - }
186 -
187 - $url = rtrim($base_url, '/') . '/models';
188 - if (!empty($api_version)) {
189 - $url = add_query_arg('api-version', $api_version, $url);
190 - }
191 -
192 - $headers = array('Content-Type' => 'application/json');
193 - if (!empty($api_key)) {
194 - if ($auth === 'api-key') {
195 - $headers['api-key'] = $api_key;
196 - } else {
197 - $headers['Authorization'] = 'Bearer ' . $api_key;
198 - }
199 - }
200 -
201 - $response = wp_remote_get($url, array(
202 - 'headers' => $headers,
203 - 'timeout' => 10,
204 - ));
205 -
206 - if (is_wp_error($response)) {
207 - wp_send_json_error(array('message' => sprintf(esc_html__('Network error: %s', 'mxchat'), esc_html($response->get_error_message()))));
208 - }
209 -
210 - $code = (int) wp_remote_retrieve_response_code($response);
211 - if ($code === 401 || $code === 403) {
212 - wp_send_json_error(array('message' => sprintf(esc_html__('Auth rejected (HTTP %d). Check API key and auth scheme.', 'mxchat'), $code)));
213 - }
214 - if ($code === 404) {
215 - wp_send_json_error(array('message' => esc_html__('Endpoint not found (HTTP 404). Check the Base URL.', 'mxchat')));
216 - }
217 - if ($code < 200 || $code >= 300) {
218 - wp_send_json_error(array('message' => sprintf(esc_html__('Upstream returned HTTP %d.', 'mxchat'), $code)));
219 - }
220 -
221 - $body = json_decode(wp_remote_retrieve_body($response), true);
222 - $count = 0;
223 - if (is_array($body)) {
224 - if (isset($body['data']) && is_array($body['data'])) {
225 - $count = count($body['data']);
226 - } elseif (isset($body['models']) && is_array($body['models'])) {
227 - $count = count($body['models']);
228 - }
229 - }
230 -
231 - wp_send_json_success(array(
232 - 'message' => sprintf(esc_html__('Connection OK — %d model(s) reported.', 'mxchat'), $count),
233 - 'count' => $count,
234 - ));
235 -}
236 -
237 -/**
238 - * Validate a BUILT-IN provider key with the lightest authenticated call per
239 - * provider (a /models or key-info GET — never a generation). Reads the posted
240 - * key value so the owner can test BEFORE saving; falls back to the saved option
241 - * when the field is empty. Mirrors mxchat_test_custom_provider_callback and the
242 - * add-on test buttons (cf5bd5 veo / 8d16f1 perplexity). The key is never logged.
243 - * plan-mxchat-20260623-c41f74.
244 - */
245 -public function mxchat_test_provider_key_callback() {
246 - check_ajax_referer('mxchat_test_provider_key');
247 - if (!current_user_can('manage_options')) {
248 - wp_send_json_error(array('message' => esc_html__('Unauthorized', 'mxchat')));
249 - }
250 -
251 - $provider = isset($_POST['provider']) ? sanitize_key(wp_unslash($_POST['provider'])) : '';
252 - $posted_key = isset($_POST['key']) ? trim((string) wp_unslash($_POST['key'])) : '';
253 -
254 - $option_map = array(
255 - 'openai' => 'api_key',
256 - 'xai' => 'xai_api_key',
257 - 'claude' => 'claude_api_key',
258 - 'deepseek' => 'deepseek_api_key',
259 - 'gemini' => 'gemini_api_key',
260 - 'openrouter' => 'openrouter_api_key',
261 - );
262 - if (!isset($option_map[$provider])) {
263 - wp_send_json_error(array('message' => esc_html__('Unknown provider.', 'mxchat')));
264 - }
265 -
266 - // Prefer the just-typed value (test-before-save); fall back to the saved key.
267 - $key = $posted_key;
268 - if ($key === '') {
269 - $options = get_option('mxchat_options', array());
270 - $key = isset($options[$option_map[$provider]]) ? trim((string) $options[$option_map[$provider]]) : '';
271 - }
272 - if ($key === '') {
273 - wp_send_json_error(array('message' => esc_html__('No API key entered or saved for this provider.', 'mxchat')));
274 - }
275 -
276 - // Lightest authenticated metadata call per provider — model-agnostic, no generation.
277 - $headers = array();
278 - switch ($provider) {
279 - case 'openai':
280 - $url = 'https://api.openai.com/v1/models';
281 - $headers = array('Authorization' => 'Bearer ' . $key);
282 - break;
283 - case 'xai':
284 - $url = 'https://api.x.ai/v1/models';
285 - $headers = array('Authorization' => 'Bearer ' . $key);
286 - break;
287 - case 'deepseek':
288 - $url = 'https://api.deepseek.com/models';
289 - $headers = array('Authorization' => 'Bearer ' . $key);
290 - break;
291 - case 'openrouter':
292 - // /auth/key validates the key itself (the public /models list does not).
293 - $url = 'https://openrouter.ai/api/v1/auth/key';
294 - $headers = array('Authorization' => 'Bearer ' . $key);
295 - break;
296 - case 'gemini':
297 - $url = add_query_arg(array('pageSize' => 1, 'key' => $key), 'https://generativelanguage.googleapis.com/v1beta/models');
298 - break;
299 - case 'claude':
300 - $url = 'https://api.anthropic.com/v1/models';
301 - $headers = array('x-api-key' => $key, 'anthropic-version' => '2023-06-01');
302 - break;
303 - default:
304 - wp_send_json_error(array('message' => esc_html__('Unknown provider.', 'mxchat')));
305 - }
306 -
307 - $response = wp_remote_get($url, array(
308 - 'headers' => $headers,
309 - 'timeout' => 10,
310 - ));
311 -
312 - if (is_wp_error($response)) {
313 - wp_send_json_error(array('message' => sprintf(esc_html__('Network error: %s', 'mxchat'), esc_html($response->get_error_message()))));
314 - }
315 -
316 - $code = (int) wp_remote_retrieve_response_code($response);
317 - if ($code >= 200 && $code < 300) {
318 - wp_send_json_success(array('message' => esc_html__('Key is valid.', 'mxchat')));
319 - }
320 -
321 - // Surface the provider's own error text when present (trimmed; key never echoed).
322 - $detail = '';
323 - $body = json_decode(wp_remote_retrieve_body($response), true);
324 - if (is_array($body)) {
325 - if (isset($body['error']['message'])) {
326 - $detail = $body['error']['message'];
327 - } elseif (isset($body['error']) && is_string($body['error'])) {
328 - $detail = $body['error'];
329 - } elseif (isset($body['message'])) {
330 - $detail = $body['message'];
331 - }
332 - }
333 - $detail = trim((string) $detail);
334 - if (strlen($detail) > 200) {
335 - $detail = substr($detail, 0, 200) . '…';
336 - }
337 -
338 - if ($code === 401 || $code === 403) {
339 - $msg = ($detail !== '')
340 - ? sprintf(esc_html__('Key rejected (HTTP %1$d): %2$s', 'mxchat'), $code, esc_html($detail))
341 - : sprintf(esc_html__('Key rejected (HTTP %d). Check the API key.', 'mxchat'), $code);
342 - wp_send_json_error(array('message' => $msg));
343 - }
344 -
345 - $msg = ($detail !== '')
346 - ? sprintf(esc_html__('Provider returned HTTP %1$d: %2$s', 'mxchat'), $code, esc_html($detail))
347 - : sprintf(esc_html__('Provider returned HTTP %d.', 'mxchat'), $code);
348 - wp_send_json_error(array('message' => $msg));
349 -}
350 -
351 46 // ========================================
352 47 // SETTINGS AJAX HANDLERS
353 48 // ========================================
354 49
@@ -362,10 +57,10 @@
362 57 wp_send_json_error(['message' => esc_html__('Unauthorized', 'mxchat')]);
363 58 }
364 59
365 60 $name = isset($_POST['name']) ? $_POST['name'] : '';
366 - // Remove WP's added slashes before saving (wp_unslash is the canonical form; plan-3f8158).
367 - $value = isset($_POST['value']) ? wp_unslash($_POST['value']) : '';
61 + // Strip slashes from the value before saving
62 + $value = isset($_POST['value']) ? stripslashes($_POST['value']) : '';
368 63
369 64 //error_log('MXChat Save: Processing field name: ' . $name);
370 65 //error_log('MXChat Save: Field value: ' . $value);
371 66
@@ -377,17 +72,10 @@
377 72 // Load the full options array
378 73 $options = get_option('mxchat_options', []);
379 74 //error_log('MXChat Save: Current options array: ' . print_r($options, true));
380 75
381 - // Extract field name from mxchat_options[field_name] format if present
382 - // But preserve the full name for special cases like rate_limits that need the full path
383 - $field_name = $name;
384 - if (preg_match('/^mxchat_options\[([^\[\]]+)\]$/', $name, $matches)) {
385 - $field_name = $matches[1];
386 - }
387 -
388 76 // Handle special cases
389 - switch ($field_name) {
77 + switch ($name) {
390 78 case 'model':
391 79 //error_log('MXChat Save: Processing model selection');
392 80 //error_log('MXChat Save: Model value received: ' . $value);
393 81 //error_log('MXChat Save: Value type: ' . gettype($value));
@@ -399,15 +87,20 @@
399 87 //error_log('MXChat Save: Setting model to openrouter');
400 88 $options['model'] = 'openrouter';
401 89 } else {
402 90 //error_log('MXChat Save: Checking against whitelist');
403 - // Catalog refactor (plan-d14e89): canonical allowlist lives in
404 - // includes/class-mxchat-model-catalog.php. A new chat model
405 - // added there is automatically accepted by autosave.
406 - if (!class_exists('MxChat_Model_Catalog')) {
407 - require_once plugin_dir_path(dirname(__FILE__)) . 'includes/class-mxchat-model-catalog.php';
408 - }
409 - $allowed_models = MxChat_Model_Catalog::chat_model_ids();
91 + $allowed_models = array(
92 + 'gemini-2.0-flash', 'gemini-2.0-flash-lite', 'gemini-1.5-pro', 'gemini-1.5-flash',
93 + 'grok-4-0709', 'grok-4-1-fast-reasoning', 'grok-4-1-fast-non-reasoning', 'grok-3-beta', 'grok-3-fast-beta', 'grok-3-mini-beta',
94 + 'grok-3-mini-fast-beta', 'grok-2',
95 + 'deepseek-chat',
96 + 'claude-sonnet-4-5-20250929', 'claude-opus-4-1-20250805', 'claude-haiku-4-5-20251001',
97 + 'claude-opus-4-20250514', 'claude-sonnet-4-20250514', 'claude-3-7-sonnet-20250219',
98 + 'claude-3-5-sonnet-20241022', 'claude-3-opus-20240229', 'claude-3-sonnet-20240229',
99 + 'claude-3-haiku-20240307',
100 + 'gpt-5.2', 'gpt-5.1-2025-11-13', 'gpt-5', 'gpt-5-mini', 'gpt-5-nano', 'gpt-4.1-2025-04-14',
101 + 'gpt-4o', 'gpt-4o-mini', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo',
102 + );
410 103
411 104 //error_log('MXChat Save: in_array result: ' . (in_array($value, $allowed_models) ? 'YES' : 'NO'));
412 105
413 106 if (in_array($value, $allowed_models)) {
@@ -446,9 +139,9 @@
446 139 case 'additional_popular_questions':
447 140 //error_log('MXChat Save: Processing additional_popular_questions');
448 141 $questions = json_decode($value, true); // No need for stripslashes here
449 142 if (is_array($questions)) {
450 - $options[$field_name] = $questions;
143 + $options[$name] = $questions;
451 144 // Also update old option for backwards compatibility
452 145 update_option('additional_popular_questions', $questions);
453 146 //error_log('MXChat Save: Saved ' . count($questions) . ' additional questions');
454 147 } else {
@@ -457,197 +150,55 @@
457 150 break;
458 151 case 'email_blocker_header_content':
459 152 //error_log('MXChat Save: Processing email_blocker_header_content');
460 153 // Allow HTML content but sanitize it safely
461 - $options[$field_name] = wp_kses_post($value);
154 + $options[$name] = wp_kses_post($value);
462 155 break;
463 - case 'intro_message':
464 - // Stored-XSS hardening (Wordfence CWE-79, plan-3f8158): sanitize on save as
465 - // defense in depth. wp_kses_post mirrors mxchat_sanitize() (the options.php
466 - // save path) so both save routes treat intro_message identically and strip
467 - // <script>/</textarea> breakout while keeping basic formatting + {visitor_name}.
468 - $options[$field_name] = wp_kses_post($value);
469 - break;
470 156 case 'email_blocker_button_text':
471 157 //error_log('MXChat Save: Processing email_blocker_button_text');
472 - $options[$field_name] = sanitize_text_field($value);
158 + $options[$name] = sanitize_text_field($value);
473 159 break;
474 160 case 'name_field_placeholder':
475 161 //error_log('MXChat Save: Processing name_field_placeholder');
476 - $options[$field_name] = sanitize_text_field($value);
162 + $options[$name] = sanitize_text_field($value);
477 163 break;
478 164 case 'similarity_threshold':
479 165 //error_log('MXChat Save: Processing similarity_threshold');
480 - // Validate and save - enforce min 20, max 85
481 - $threshold = intval($value);
482 - if ($threshold < 20) $threshold = 20;
483 - if ($threshold > 85) $threshold = 85;
484 - $options[$field_name] = $threshold;
166 + // Save to the options array
167 + $options[$name] = $value;
485 168 break;
486 - case 'rag_sources_limit':
487 - //error_log('MXChat Save: Processing rag_sources_limit');
488 - // Validate and save - enforce min 3, max 10, default 6
489 - $rag_limit = intval($value);
490 - if ($rag_limit < 3) $rag_limit = 3;
491 - if ($rag_limit > 10) $rag_limit = 10;
492 - $options[$field_name] = $rag_limit;
169 + case 'user_message_bg_color':
170 + case 'user_message_font_color':
171 + case 'bot_message_bg_color':
172 + case 'bot_message_font_color':
173 + case 'top_bar_bg_color':
174 + case 'send_button_font_color':
175 + case 'chatbot_background_color':
176 + case 'icon_color':
177 + case 'chat_input_font_color':
178 + case 'live_agent_message_bg_color':
179 + case 'live_agent_message_font_color':
180 + case 'mode_indicator_bg_color':
181 + case 'mode_indicator_font_color':
182 + case 'toolbar_icon_color':
183 + case 'quick_questions_toggle_color':
184 + //error_log('MXChat Save: Processing color value: ' . $name);
185 + // Store color values directly
186 + $options[$name] = $value;
493 187 break;
494 - case 'rag_chunks_limit':
495 - // Validate and save - enforce min 8, max 20, default 15
496 - $chunks_limit = intval($value);
497 - if ($chunks_limit < 8) $chunks_limit = 8;
498 - if ($chunks_limit > 20) $chunks_limit = 20;
499 - $options[$field_name] = $chunks_limit;
500 - break;
501 188 case 'live_agent_status':
502 189 //error_log('MXChat Save: Processing live_agent_status');
503 190 // Set the new value
504 - $options[$field_name] = ($value === 'on') ? 'on' : 'off';
191 + $options[$name] = ($value === 'on') ? 'on' : 'off';
505 192 break;
506 - case 'enable_web_search':
507 - //error_log('MXChat Save: Processing enable_web_search');
508 - $options[$field_name] = ($value === 'on') ? 'on' : 'off';
509 - break;
510 193 case 'enable_woocommerce_integration':
511 194 //error_log('MXChat Save: Processing enable_woocommerce_integration');
512 195 // Handle values that used to be 1/0
513 - $options[$field_name] = ($value === 'on' || $value === '1') ? 'on' : 'off';
196 + $options[$name] = ($value === 'on' || $value === '1') ? 'on' : 'off';
514 197 break;
515 - case 'post_type_visibility_mode':
516 - // Validate mode value
517 - $allowed_modes = array('all', 'include', 'exclude');
518 - $options[$field_name] = in_array($value, $allowed_modes) ? $value : 'all';
519 - break;
520 - case 'post_type_visibility_list':
521 - // Handle JSON array of post types
522 - $post_types = json_decode($value, true);
523 - if (is_array($post_types)) {
524 - // Sanitize each post type slug
525 - $options[$field_name] = array_map('sanitize_key', $post_types);
526 - } else {
527 - $options[$field_name] = array();
528 - }
529 - break;
530 - case 'script_loading_strategy':
531 - // Validate script loading strategy value
532 - $allowed_strategies = array('default', 'defer', 'delay_1s', 'delay_3s', 'delay_5s', 'on_interaction');
533 - $options[$field_name] = in_array($value, $allowed_strategies) ? $value : 'default';
534 - break;
535 - case 'auto_retry_on_transient_error':
536 - // Boolean toggle — accept 1/0/on/off, default to '1' if any truthy value.
537 - $options[$field_name] = ($value === '1' || $value === 'on' || $value === 1 || $value === true) ? '1' : '0';
538 - break;
539 198 default:
540 - // Handle transcripts options
541 - if (strpos($name, 'mxchat_transcripts_options') !== false) {
542 - // Extract field name from mxchat_transcripts_options[field_name]
543 - if (preg_match('/mxchat_transcripts_options\[([^\]]+)\]/', $name, $matches)) {
544 - $field_name = $matches[1];
545 -
546 - // Get current transcripts options
547 - $transcripts_options = get_option('mxchat_transcripts_options', array());
548 -
549 - // Ensure it's an array
550 - if (!is_array($transcripts_options)) {
551 - $transcripts_options = array();
552 - }
553 -
554 - // Handle checkbox values (convert 'on'/'off' to 1/0)
555 - if ($value === 'on' || $value === '1') {
556 - $transcripts_options[$field_name] = 1;
557 - } else if ($value === 'off' || $value === '0' || $value === '') {
558 - $transcripts_options[$field_name] = 0;
559 - } else {
560 - // For text/select fields, sanitize appropriately
561 - if ($field_name === 'mxchat_notification_email') {
562 - $transcripts_options[$field_name] = sanitize_email($value);
563 - } else {
564 - $transcripts_options[$field_name] = sanitize_text_field($value);
565 - }
566 - }
567 -
568 - // Use direct database update to bypass any filters
569 - global $wpdb;
570 -
571 - // Serialize the options array
572 - $serialized = maybe_serialize($transcripts_options);
573 -
574 - // Check if the option already exists in the database
575 - $existing = $wpdb->get_var("SELECT option_id FROM {$wpdb->options} WHERE option_name = 'mxchat_transcripts_options'");
576 -
577 - if ($existing) {
578 - // Option exists, do an update
579 - $result = $wpdb->update(
580 - $wpdb->options,
581 - array('option_value' => $serialized),
582 - array('option_name' => 'mxchat_transcripts_options'),
583 - array('%s'),
584 - array('%s')
585 - );
586 - } else {
587 - // Option doesn't exist (new install), do an insert
588 - $result = $wpdb->insert(
589 - $wpdb->options,
590 - array(
591 - 'option_name' => 'mxchat_transcripts_options',
592 - 'option_value' => $serialized,
593 - 'autoload' => 'yes'
594 - ),
595 - array('%s', '%s', '%s')
596 - );
597 - }
598 -
599 - // Clear all caches after direct DB update
600 - wp_cache_delete('mxchat_transcripts_options', 'options');
601 - wp_cache_delete('alloptions', 'options');
602 - wp_cache_flush();
603 -
604 - wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
605 - return;
606 - }
607 - }
608 - // Whole-chatbot global cap (sits in mxchat_options['rate_limits_global']).
609 - // Field names: mxchat_options[rate_limits_global][limit|timeframe|limit_custom]
610 - else if (strpos($name, 'mxchat_options[rate_limits_global]') !== false) {
611 - preg_match('/\[rate_limits_global\]\[(.*?)\]/', $name, $matches);
612 - if (isset($matches[1])) {
613 - $setting_key = $matches[1];
614 - if (!isset($options['rate_limits_global']) || !is_array($options['rate_limits_global'])) {
615 - $options['rate_limits_global'] = array('limit' => 'unlimited', 'timeframe' => 'daily');
616 - }
617 - if ($setting_key === 'limit') {
618 - // Selection from the preset dropdown. If __custom__, resolve from limit_custom; otherwise store directly.
619 - if ($value === '__custom__') {
620 - $custom = isset($options['rate_limits_global']['limit_custom']) ? (string) $options['rate_limits_global']['limit_custom'] : '';
621 - if ($custom !== '' && ctype_digit($custom) && (int) $custom >= 1) {
622 - $options['rate_limits_global']['limit'] = $custom;
623 - }
624 - // else leave existing limit untouched until the custom value arrives
625 - } else {
626 - $options['rate_limits_global']['limit'] = $value;
627 - }
628 - } elseif ($setting_key === 'limit_custom') {
629 - $clean = preg_replace('/[^0-9]/', '', (string) $value);
630 - $options['rate_limits_global']['limit_custom'] = $clean;
631 - // Mirror a valid custom value into limit UNCONDITIONALLY (plan-74eb86).
632 - // The custom number input is only editable when the dropdown is on
633 - // "Custom…" (the toggle JS hides it for presets/unlimited) and autosave
634 - // sends one field per change event, so a limit_custom change only fires
635 - // in custom mode — there is no preset to clobber. The old guard required
636 - // limit to already be non-preset, which it isn't on a first-time custom
637 - // entry (the limit=__custom__ event arrives before limit_custom is set),
638 - // so the value never landed in limit on the first save and reverted on refresh.
639 - if ($clean !== '' && (int) $clean >= 1) {
640 - $options['rate_limits_global']['limit'] = $clean;
641 - }
642 - } elseif ($setting_key === 'timeframe') {
643 - $allowed_tf = array('hourly','daily','weekly','monthly');
644 - $options['rate_limits_global']['timeframe'] = in_array($value, $allowed_tf, true) ? $value : 'daily';
645 - }
646 - }
647 - }
648 199 // First check for rate limits settings
649 - else if (strpos($name, 'mxchat_options[rate_limits]') !== false) {
200 + if (strpos($name, 'mxchat_options[rate_limits]') !== false) {
650 201 //error_log('MXChat Save: Detected rate_limits field: ' . $name);
651 202
652 203 // Extract role ID and setting from the name
653 204 preg_match('/\[rate_limits\]\[(.*?)\]\[(.*?)\]/', $name, $matches);
@@ -654,9 +205,9 @@
654 205 //error_log('MXChat Save: Regex matches: ' . print_r($matches, true));
655 206
656 207 if (isset($matches[1]) && isset($matches[2])) {
657 208 $role_id = $matches[1];
658 - $setting_key = $matches[2]; // limit, timeframe, message, or limit_custom
209 + $setting_key = $matches[2]; // limit, timeframe, or message
659 210
660 211 //error_log('MXChat Save: Role ID = ' . $role_id . ', Setting Key = ' . $setting_key);
661 212
662 213 // Initialize rate_limits if it doesn't exist
@@ -674,32 +225,10 @@
674 225 'message' => 'Rate limit exceeded. Please try again later.'
675 226 ];
676 227 }
677 228
678 - if ($setting_key === 'limit') {
679 - if ($value === '__custom__') {
680 - // Pull the integer from limit_custom that may have arrived (or will arrive).
681 - $custom = isset($options['rate_limits'][$role_id]['limit_custom']) ? (string) $options['rate_limits'][$role_id]['limit_custom'] : '';
682 - if ($custom !== '' && ctype_digit($custom) && (int) $custom >= 1) {
683 - $options['rate_limits'][$role_id]['limit'] = $custom;
684 - }
685 - } else {
686 - $options['rate_limits'][$role_id]['limit'] = $value;
687 - }
688 - } elseif ($setting_key === 'limit_custom') {
689 - $clean = preg_replace('/[^0-9]/', '', (string) $value);
690 - $options['rate_limits'][$role_id]['limit_custom'] = $clean;
691 - // Mirror a valid custom value into limit UNCONDITIONALLY — same reasoning
692 - // as the global branch above (plan-74eb86). The per-role custom input is
693 - // only editable in custom mode and autosave is one-field-per-change, so
694 - // this never clobbers a preset; it fixes the first-time-save revert.
695 - if ($clean !== '' && (int) $clean >= 1) {
696 - $options['rate_limits'][$role_id]['limit'] = $clean;
697 - }
698 - } else {
699 - // Update the specific setting (timeframe, message)
700 - $options['rate_limits'][$role_id][$setting_key] = $value;
701 - }
229 + // Update the specific setting
230 + $options['rate_limits'][$role_id][$setting_key] = $value;
702 231 //error_log('MXChat Save: Updated rate_limits[' . $role_id . '][' . $setting_key . '] = ' . $value);
703 232 } else {
704 233 //error_log('MXChat Save: Failed to parse rate_limits pattern: ' . $name);
705 234 }
@@ -724,10 +253,10 @@
724 253 } else {
725 254 //error_log('MXChat Save: Failed to parse role_rate_limits pattern: ' . $name);
726 255 }
727 256 }
728 - // Handle toggles - check both extracted field_name and original name for toggle detection
729 - else if (strpos($field_name, 'toggle') !== false || in_array($field_name, [
257 + // Handle toggles
258 + else if (strpos($name, 'toggle') !== false || in_array($name, [
730 259 'chat_persistence_toggle',
731 260 'privacy_toggle',
732 261 'complianz_toggle',
733 262 'chat_toolbar_toggle',
@@ -734,22 +263,17 @@
734 263 'show_pdf_upload_button',
735 264 'show_word_upload_button',
736 265 'enable_streaming_toggle',
737 266 'contextual_awareness_toggle',
738 - 'citation_links_toggle',
739 267 'enable_email_block',
740 - 'enable_name_field',
741 - 'custom_provider_for_embeddings',
742 - 'custom_provider_for_images',
743 - 'print_button_enabled',
744 - 'reset_chat_enabled'
268 + 'enable_name_field'
745 269 ])) {
746 - //error_log('MXChat Save: Processing toggle: ' . $field_name);
747 - $options[$field_name] = ($value === 'on') ? 'on' : 'off';
270 + //error_log('MXChat Save: Processing toggle: ' . $name);
271 + $options[$name] = ($value === 'on') ? 'on' : 'off';
748 272 } else {
749 - //error_log('MXChat Save: Processing standard field: ' . $field_name);
750 - // Store all other values directly using the extracted field name
751 - $options[$field_name] = $value;
273 + //error_log('MXChat Save: Processing standard field: ' . $name);
274 + // Store all other values directly
275 + $options[$name] = $value;
752 276 }
753 277 break;
754 278 }
755 279
@@ -757,20 +281,8 @@
757 281 $updated = update_option('mxchat_options', $options);
758 282 //error_log('MXChat Save: Update result: ' . ($updated ? 'success' : 'unchanged') . ' for field: ' . $name);
759 283 //error_log('MXChat Save: Updated options array: ' . print_r($options, true));
760 284
761 - // Log the save action if debug mode is enabled
762 - if ( class_exists( 'MxChat_Admin' ) ) {
763 - MxChat_Admin::mxchat_log_debug(
764 - 'settings_save',
765 - sprintf( 'Field saved: %s', $field_name ),
766 - array(
767 - 'field' => $field_name,
768 - 'updated' => $updated,
769 - )
770 - );
771 - }
772 -
773 285 // Always return success even if WordPress says nothing changed
774 286 // (which happens when the value is the same as before)
775 287 wp_send_json_success(['message' => esc_html__('Setting saved', 'mxchat')]);
776 288 }
@@ -974,123 +486,8 @@
974 486 wp_send_json_error(['message' => esc_html__('No changes detected', 'mxchat')]);
975 487 }
976 488 }
977 489
978 - // Handle chunking settings - use direct DB access to bypass WordPress filters
979 - if (strpos($name, 'mxchat_chunk') === 0 || $name === 'mxchat_chunking_enabled') {
980 - global $wpdb;
981 -
982 - // Get current options directly from database
983 - $current_options_raw = $wpdb->get_var(
984 - $wpdb->prepare(
985 - "SELECT option_value FROM {$wpdb->options} WHERE option_name = %s",
986 - 'mxchat_options'
987 - )
988 - );
989 -
990 - $options = $current_options_raw !== null ? maybe_unserialize($current_options_raw) : array();
991 - if (!is_array($options)) {
992 - $options = array();
993 - }
994 -
995 - // Update the specific chunking field
996 - if ($name === 'mxchat_chunking_enabled') {
997 - $options['chunking_enabled'] = in_array($value, array('on', '1', 'true', true), true);
998 - } elseif ($name === 'mxchat_chunk_size') {
999 - $options['chunk_size'] = max(1000, min(10000, intval($value)));
1000 - }
1001 -
1002 - // Save directly to database
1003 - $serialized_options = maybe_serialize($options);
1004 -
1005 - $option_exists = $wpdb->get_var(
1006 - $wpdb->prepare(
1007 - "SELECT COUNT(*) FROM {$wpdb->options} WHERE option_name = %s",
1008 - 'mxchat_options'
1009 - )
1010 - );
1011 -
1012 - if ($option_exists > 0) {
1013 - $save_result = $wpdb->update(
1014 - $wpdb->options,
1015 - array('option_value' => $serialized_options),
1016 - array('option_name' => 'mxchat_options'),
1017 - array('%s'),
1018 - array('%s')
1019 - );
1020 - } else {
1021 - $save_result = $wpdb->insert(
1022 - $wpdb->options,
1023 - array(
1024 - 'option_name' => 'mxchat_options',
1025 - 'option_value' => $serialized_options,
1026 - 'autoload' => 'yes'
1027 - ),
1028 - array('%s', '%s', '%s')
1029 - );
1030 - }
1031 -
1032 - // Clear object cache for this option
1033 - wp_cache_delete('mxchat_options', 'options');
1034 -
1035 - if ($save_result !== false) {
1036 - wp_send_json_success(['message' => esc_html__('Chunking setting saved', 'mxchat')]);
1037 - } else {
1038 - wp_send_json_error(['message' => esc_html__('Failed to save chunking setting', 'mxchat')]);
1039 - }
1040 - return;
1041 - }
1042 -
1043 - // Handle ACF field exclusion toggles
1044 - if (strpos($name, 'mxchat_acf_field_') === 0) {
1045 - // Extract field name from the input name (e.g., mxchat_acf_field_private_notes -> private_notes)
1046 - $field_name = str_replace('mxchat_acf_field_', '', $name);
1047 - $is_enabled = ($value === 'on' || $value === '1');
1048 -
1049 - // Get current excluded fields
1050 - $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
1051 - if (!is_array($excluded_fields)) {
1052 - $excluded_fields = array();
1053 - }
1054 -
1055 - if ($is_enabled) {
1056 - // Remove from exclusion list (field should be included)
1057 - $excluded_fields = array_values(array_diff($excluded_fields, array($field_name)));
1058 - } else {
1059 - // Add to exclusion list (field should be excluded)
1060 - if (!in_array($field_name, $excluded_fields)) {
1061 - $excluded_fields[] = $field_name;
1062 - }
1063 - }
1064 -
1065 - $updated = update_option('mxchat_acf_excluded_fields', $excluded_fields);
1066 -
1067 - if ($updated || true) { // Always report success since the state may already be correct
1068 - wp_send_json_success([
1069 - 'message' => $is_enabled
1070 - ? sprintf(esc_html__('Field "%s" will be included in imports', 'mxchat'), $field_name)
1071 - : sprintf(esc_html__('Field "%s" will be excluded from imports', 'mxchat'), $field_name)
1072 - ]);
1073 - } else {
1074 - wp_send_json_error(['message' => esc_html__('Failed to save ACF field setting', 'mxchat')]);
1075 - }
1076 - return;
1077 - }
1078 -
1079 - // Handle custom post meta whitelist
1080 - if ($name === 'mxchat_custom_meta_whitelist') {
1081 - $updated = update_option('mxchat_custom_meta_whitelist', sanitize_textarea_field($value));
1082 -
1083 - if ($updated || true) { // Always report success since the state may already be correct
1084 - wp_send_json_success([
1085 - 'message' => esc_html__('Custom meta whitelist saved', 'mxchat')
1086 - ]);
1087 - } else {
1088 - wp_send_json_error(['message' => esc_html__('Failed to save custom meta whitelist', 'mxchat')]);
1089 - }
1090 - return;
1091 - }
1092 -
1093 490 // Handle other prompts options
1094 491 $options = get_option('mxchat_prompts_options', []);
1095 492 $options[$name] = $value;
1096 493 $updated = update_option('mxchat_prompts_options', $options);
@@ -1504,209 +901,8 @@
1504 901 'voyage' => !empty($options['voyage_api_key'])
1505 902 );
1506 903
1507 904 wp_send_json_success($api_key_status);
1508 - }
1509 -
1510 - // ========================================
1511 - // DEBUG & OPTIMIZATION AJAX HANDLERS
1512 - // ========================================
1513 -
1514 - /**
1515 - * Toggle debug mode on/off
1516 - */
1517 - public function mxchat_toggle_debug_mode_callback() {
1518 - // Verify nonce
1519 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1520 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1521 - }
1522 -
1523 - // Check permissions
1524 - if ( ! current_user_can( 'manage_options' ) ) {
1525 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1526 - }
1527 -
1528 - $enabled = isset( $_POST['enabled'] ) && $_POST['enabled'] === 'on';
1529 -
1530 - $options = get_option( 'mxchat_options', array() );
1531 -
1532 - if ( $enabled ) {
1533 - $options['debug_mode'] = 'on';
1534 - update_option( 'mxchat_options', $options );
1535 - MxChat_Admin::mxchat_log_debug( 'debug_mode', 'Debug mode enabled' );
1536 - } else {
1537 - // Log before disabling
1538 - MxChat_Admin::mxchat_log_debug( 'debug_mode', 'Debug mode disabled' );
1539 - $options['debug_mode'] = 'off';
1540 - update_option( 'mxchat_options', $options );
1541 - }
1542 -
1543 - wp_send_json_success( array(
1544 - 'message' => $enabled ? esc_html__( 'Debug mode enabled', 'mxchat' ) : esc_html__( 'Debug mode disabled', 'mxchat' ),
1545 - 'enabled' => $enabled,
1546 - ) );
1547 - }
1548 -
1549 - /**
1550 - * Get the debug log entries
1551 - */
1552 - public function mxchat_get_debug_log_callback() {
1553 - // Verify nonce
1554 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1555 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1556 - }
1557 -
1558 - // Check permissions
1559 - if ( ! current_user_can( 'manage_options' ) ) {
1560 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1561 - }
1562 -
1563 - $log = MxChat_Admin::mxchat_get_debug_log();
1564 -
1565 - wp_send_json_success( array(
1566 - 'log' => $log,
1567 - 'count' => count( $log ),
1568 - ) );
1569 - }
1570 -
1571 - /**
1572 - * Clear the debug log
1573 - */
1574 - public function mxchat_clear_debug_log_callback() {
1575 - // Verify nonce
1576 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1577 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1578 - }
1579 -
1580 - // Check permissions
1581 - if ( ! current_user_can( 'manage_options' ) ) {
1582 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1583 - }
1584 -
1585 - MxChat_Admin::mxchat_clear_debug_log();
1586 -
1587 - // Log that the log was cleared (this will be the first entry in the new log)
1588 - MxChat_Admin::mxchat_log_debug( 'debug_log', 'Debug log cleared by user' );
1589 -
1590 - wp_send_json_success( array( 'message' => esc_html__( 'Debug log cleared', 'mxchat' ) ) );
1591 - }
1592 -
1593 - /**
1594 - * Export settings as JSON
1595 - */
1596 - public function mxchat_export_settings_callback() {
1597 - // Verify nonce
1598 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1599 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1600 - }
1601 -
1602 - // Check permissions
1603 - if ( ! current_user_can( 'manage_options' ) ) {
1604 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1605 - }
1606 -
1607 - $export = MxChat_Admin::mxchat_export_settings();
1608 -
1609 - // Log the export
1610 - MxChat_Admin::mxchat_log_debug( 'settings_export', 'Settings exported by user' );
1611 -
1612 - wp_send_json_success( array(
1613 - 'settings' => $export,
1614 - 'filename' => 'mxchat-settings-' . gmdate( 'Y-m-d-His' ) . '.json',
1615 - ) );
1616 - }
1617 -
1618 - /**
1619 - * Reset all settings to defaults
1620 - */
1621 - public function mxchat_reset_all_settings_callback() {
1622 - // Verify nonce
1623 - if ( ! check_ajax_referer( 'mxchat_save_setting_nonce', '_ajax_nonce', false ) ) {
1624 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1625 - }
1626 -
1627 - // Check permissions
1628 - if ( ! current_user_can( 'manage_options' ) ) {
1629 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1630 - }
1631 -
1632 - // Require confirmation code
1633 - $confirmation = isset( $_POST['confirmation'] ) ? sanitize_text_field( wp_unslash( $_POST['confirmation'] ) ) : '';
1634 -
1635 - if ( strtoupper( $confirmation ) !== 'RESET' ) {
1636 - wp_send_json_error( array( 'message' => esc_html__( 'Invalid confirmation code. Please type RESET to confirm.', 'mxchat' ) ) );
1637 - }
1638 -
1639 - // Perform the reset
1640 - MxChat_Admin::mxchat_reset_all_settings();
1641 -
1642 - wp_send_json_success( array( 'message' => esc_html__( 'All settings have been reset to defaults. The page will reload.', 'mxchat' ) ) );
1643 - }
1644 -
1645 - /**
1646 - * Reset the global rate-limit usage counter to zero on demand.
1647 - *
1648 - * Zeroes the WP option mxchat_chat_limit_<bot>_global that the integrator
1649 - * increments per message, then returns a freshly-formatted readout string
1650 - * so the settings page can update without a reload. Does NOT change any
1651 - * enforcement config — purely clears the running counter.
1652 - */
1653 - public function mxchat_reset_global_rate_limit_callback() {
1654 - // Verify nonce
1655 - if ( ! check_ajax_referer( 'mxchat_reset_global_usage', '_ajax_nonce', false ) ) {
1656 - wp_send_json_error( array( 'message' => esc_html__( 'Security check failed', 'mxchat' ) ) );
1657 - }
1658 -
1659 - // Check permissions
1660 - if ( ! current_user_can( 'manage_options' ) ) {
1661 - wp_send_json_error( array( 'message' => esc_html__( 'Unauthorized', 'mxchat' ) ) );
1662 - }
1663 -
1664 - // Resolve the per-bot counter key the same way the integrator does.
1665 - $bot_id = isset( $_POST['bot_id'] ) ? sanitize_key( wp_unslash( $_POST['bot_id'] ) ) : 'default';
1666 - $safe_bot = preg_replace( '/[^a-zA-Z0-9_]/', '_', $bot_id );
1667 - if ( $safe_bot === '' ) {
1668 - $safe_bot = 'default';
1669 - }
1670 - $option_key = 'mxchat_chat_limit_' . $safe_bot . '_global';
1671 -
1672 - $now = time();
1673 - update_option( $option_key, array( 'count' => 0, 'timestamp' => $now ) );
1674 -
1675 - // Recompute the display string so the front-end can update in place.
1676 - $all_options = get_option( 'mxchat_options', array() );
1677 - $global_cfg = isset( $all_options['rate_limits_global'] ) && is_array( $all_options['rate_limits_global'] )
1678 - ? $all_options['rate_limits_global']
1679 - : array();
1680 - $limit_raw = isset( $global_cfg['limit'] ) ? (string) $global_cfg['limit'] : 'unlimited';
1681 - // Defensive: if a raw __custom__ ever slips through, fall back to the custom value.
1682 - if ( ! ctype_digit( $limit_raw ) && isset( $global_cfg['limit_custom'] ) && ctype_digit( (string) $global_cfg['limit_custom'] ) ) {
1683 - $limit_raw = (string) $global_cfg['limit_custom'];
1684 - }
1685 - $timeframe = isset( $global_cfg['timeframe'] ) ? (string) $global_cfg['timeframe'] : 'daily';
1686 - $windows = array( 'hourly' => 3600, 'daily' => 86400, 'weekly' => 604800, 'monthly' => 2592000 );
1687 - $window = isset( $windows[ $timeframe ] ) ? $windows[ $timeframe ] : 86400;
1688 - $reset_at = $now + $window;
1689 - $limit_int = ctype_digit( $limit_raw ) ? (int) $limit_raw : 0;
1690 -
1691 - $text = sprintf(
1692 - /* translators: 1: used count, 2: limit, 3: remaining, 4: human-readable time until reset */
1693 - esc_html__( '%1$s of %2$s used · %3$s left · resets in %4$s', 'mxchat' ),
1694 - number_format_i18n( 0 ),
1695 - number_format_i18n( $limit_int ),
1696 - number_format_i18n( $limit_int ),
1697 - human_time_diff( $now, $reset_at )
1698 - );
1699 -
1700 - wp_send_json_success( array(
1701 - 'count' => 0,
1702 - 'limit' => $limit_int,
1703 - 'left' => $limit_int,
1704 - 'reset_at' => $reset_at,
1705 - 'pct' => 0,
1706 - 'text' => $text,
1707 - 'message' => esc_html__( 'Usage counter reset.', 'mxchat' ),
1708 - ) );
1709 905 }
1710 906
1711 907 }
1712 908