PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.6.3
MxChat – AI Chatbot & Content Generation for WordPress v2.6.3
3.2.21 3.2.20 3.2.19 3.2.18 3.2.17 3.2.16 3.2.15 3.2.14 3.2.12 3.2.13 3.2.11 3.2.10 3.2.9 3.2.8 3.2.7 3.2.6 3.2.5 3.2.4 3.2.3 3.2.2 3.2.1 2.0.3 2.0.4 2.0.5 2.0.6 All 152 releases
← All changes | mxchat-basic.php +41 -806 3.2.14 → 2.6.3 View file →
@@ -2,9 +2,9 @@
2 2 /**
3 3 * Plugin Name: MxChat
4 4 * Plugin URI: https://mxchat.ai/
5 5 * Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
6 - * Version: 3.2.14
6 + * Version: 2.6.3
7 7 * Author: MxChat
8 8 * Author URI: https://mxchat.ai
9 9 * License: GPLv2 or later
10 10 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -15,41 +15,15 @@
15 15 if (!defined('ABSPATH')) {
16 16 exit; // Exit if accessed directly.
17 17 }
18 18
19 -
20 -if (!defined('MXCHAT_DEV_MODE')) {
21 - define('MXCHAT_DEV_MODE', false);
22 -}
23 -
19 +// Define plugin version constant for asset versioning
20 +// Reads version from plugin header automatically
24 21 if (!defined('MXCHAT_VERSION')) {
25 22 $plugin_data = get_file_data(__FILE__, array('Version' => 'Version'), 'plugin');
26 - $version = $plugin_data['Version'];
27 - if (MXCHAT_DEV_MODE) {
28 - $version .= '.' . time();
29 - }
30 - define('MXCHAT_VERSION', $version);
23 + define('MXCHAT_VERSION', $plugin_data['Version']);
31 24 }
32 25
33 -/**
34 - * Honest, versioned User-Agent for MXChat remote-content ingestion fetches
35 - * (Knowledge Base PDF import, URL import, sitemap / website crawl).
36 - *
37 - * WAF rulesets (SiteGround/ModSecurity, Wordfence, Cloudflare managed rules)
38 - * flag stale spoofed-browser UAs as scrapers and return 403 — which silently
39 - * broke the single most common KB source: self-hosted media on the site's own
40 - * domain. A truthful crawler identifier is the industry norm for well-behaved
41 - * bots and lets a site owner allowlist "MXChatBot" in their WAF. Filterable so
42 - * a locked-down host can supply a different string without a code change.
43 - */
44 -if (!function_exists('mxchat_ingest_user_agent')) {
45 - function mxchat_ingest_user_agent() {
46 - $version = defined('MXCHAT_VERSION') ? MXCHAT_VERSION : '1.0';
47 - $ua = 'MXChatBot/' . $version . ' (+https://mxchat.ai/bot)';
48 - return apply_filters('mxchat_ingest_user_agent', $ua);
49 - }
50 -}
51 -
52 26 function mxchat_load_textdomain() {
53 27 $domain = 'mxchat';
54 28 $locale = determine_locale();
55 29
@@ -64,348 +38,11 @@
64 38 load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
65 39 }
66 40 add_action('init', 'mxchat_load_textdomain');
67 41
68 -/**
69 - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026.
70 - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview
71 - * (Google's official migration target) the first time admin_init fires after update.
72 - */
73 -add_action('admin_init', function () {
74 - if (get_option('mxchat_gemini_3_remap_done')) {
75 - return;
76 - }
77 - $opts = get_option('mxchat_options');
78 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') {
79 - $opts['model'] = 'gemini-3.1-pro-preview';
80 - update_option('mxchat_options', $opts);
81 - }
82 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') {
83 - $opts['content_model'] = 'gemini-3.1-pro-preview';
84 - update_option('mxchat_options', $opts);
85 - }
86 - update_option('mxchat_gemini_3_remap_done', 1);
87 -});
88 -
89 -/**
90 - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212,
91 - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing
92 - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning
93 - * (modern, fast, broadly available) the first time admin_init fires after update.
94 - */
95 -add_action('admin_init', function () {
96 - if (get_option('mxchat_grok_2_remap_done')) {
97 - return;
98 - }
99 - $opts = get_option('mxchat_options');
100 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') {
101 - $opts['model'] = 'grok-4-1-fast-non-reasoning';
102 - update_option('mxchat_options', $opts);
103 - }
104 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') {
105 - $opts['content_model'] = 'grok-4-1-fast-non-reasoning';
106 - update_option('mxchat_options', $opts);
107 - }
108 - update_option('mxchat_grok_2_remap_done', 1);
109 -});
110 -
111 -/**
112 - * One-time migration: Anthropic retired the Claude 4 (2025-05-14) snapshots on
113 - * June 15, 2026 — claude-opus-4-20250514 and claude-sonnet-4-20250514 now return
114 - * an API error. Existing installs with a dead ID get auto-remapped to the current
115 - * equivalents Anthropic recommends (Opus 4.8 / Sonnet 4.6) the first time admin_init
116 - * fires after update. Mirrors the gemini-3-pro-preview / grok-2 rescues above.
117 - */
118 -add_action('admin_init', function () {
119 - if (get_option('mxchat_claude_4_retire_remap_done')) {
120 - return;
121 - }
122 - $map = array(
123 - 'claude-opus-4-20250514' => 'claude-opus-4-8',
124 - 'claude-sonnet-4-20250514' => 'claude-sonnet-4-6',
125 - );
126 - $opts = get_option('mxchat_options');
127 - if (is_array($opts)) {
128 - $changed = false;
129 - if (isset($opts['model']) && isset($map[$opts['model']])) {
130 - $opts['model'] = $map[$opts['model']];
131 - $changed = true;
132 - }
133 - if (isset($opts['content_model']) && isset($map[$opts['content_model']])) {
134 - $opts['content_model'] = $map[$opts['content_model']];
135 - $changed = true;
136 - }
137 - if ($changed) {
138 - update_option('mxchat_options', $opts);
139 - }
140 - }
141 - update_option('mxchat_claude_4_retire_remap_done', 1);
142 -});
143 -
144 -/**
145 - * Exclude MxChat assets from caching plugin optimizations
146 - *
147 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
148 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
149 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
150 - *
151 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
152 - * be excluded from any optimization that changes load order or timing.
153 - */
154 -
155 -// ── WP Rocket ────────────────────────────────────────────────────────────────
156 -
157 -// Exclude from Remove Unused CSS (RUCSS)
158 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
159 - if (!is_array($exclusions)) $exclusions = array();
160 - $exclusions[] = 'mxchat';
161 - return $exclusions;
162 -});
163 -
164 -// Exclude CSS from minification/combination
165 -add_filter('rocket_exclude_css', function($excluded) {
166 - if (!is_array($excluded)) $excluded = array();
167 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
168 - return $excluded;
169 -});
170 -
171 -// Exclude JS from minification/combination
172 -add_filter('rocket_exclude_js', function($excluded) {
173 - if (!is_array($excluded)) $excluded = array();
174 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
175 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
176 - $excluded[] = '/jquery-core';
177 - $excluded[] = '/jquery.min.js';
178 - $excluded[] = '/jquery.js';
179 - $excluded[] = '/jquery-migrate';
180 - return $excluded;
181 -});
182 -
183 -// Exclude JS from defer
184 -add_filter('rocket_exclude_defer_js', function($excluded) {
185 - if (!is_array($excluded)) $excluded = array();
186 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
187 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
188 - $excluded[] = '/jquery-core';
189 - $excluded[] = '/jquery.min.js';
190 - $excluded[] = '/jquery.js';
191 - $excluded[] = '/jquery-migrate';
192 - return $excluded;
193 -});
194 -
195 -// Exclude from delay JS execution
196 -add_filter('rocket_delay_js_exclusions', function($excluded) {
197 - if (!is_array($excluded)) $excluded = array();
198 - $excluded[] = 'mxchat';
199 - $excluded[] = 'chat-script';
200 - $excluded[] = 'floating-script';
201 - $excluded[] = '/jquery-core';
202 - $excluded[] = '/jquery.min.js';
203 - $excluded[] = '/jquery.js';
204 - $excluded[] = '/jquery-migrate';
205 - return $excluded;
206 -});
207 -
208 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
209 -
210 -// Exclude CSS from optimization
211 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
212 - if (!is_array($excluded)) $excluded = array();
213 - $excluded[] = 'chat-style.css';
214 - $excluded[] = 'mxchat';
215 - return $excluded;
216 -});
217 -
218 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
219 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
220 - if (!is_array($whitelist)) $whitelist = array();
221 - $whitelist[] = '.mxchat-chatbot-wrapper';
222 - $whitelist[] = '.floating-chatbot';
223 - $whitelist[] = '.floating-chatbot-button';
224 - $whitelist[] = '.chatbot-top-bar';
225 - $whitelist[] = '.mxchat-chatbot';
226 - $whitelist[] = '.chat-container';
227 - $whitelist[] = '.chat-box';
228 - $whitelist[] = '.bot-message';
229 - $whitelist[] = '.input-container';
230 - $whitelist[] = '.chat-input';
231 - $whitelist[] = '.send-button';
232 - $whitelist[] = '.pre-chat-message';
233 - $whitelist[] = '.mxchat-popular-questions';
234 - $whitelist[] = '.chat-toolbar';
235 - $whitelist[] = '.exit-chat';
236 - $whitelist[] = '.email-blocker';
237 - return $whitelist;
238 -});
239 -
240 -// Exclude CSS from CCSS (Critical CSS) generation
241 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
242 - if (!is_array($excluded)) $excluded = array();
243 - $excluded[] = 'chat-style.css';
244 - $excluded[] = 'mxchat';
245 - return $excluded;
246 -});
247 -
248 -// Exclude JS from defer
249 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
250 - if (!is_array($excluded)) $excluded = array();
251 - $excluded[] = 'chat-script.js';
252 - $excluded[] = 'floating-script.js';
253 - $excluded[] = 'mxchat';
254 - $excluded[] = 'jquery.min.js';
255 - $excluded[] = 'jquery.js';
256 - return $excluded;
257 -});
258 -
259 -// Exclude JS from combining
260 -add_filter('litespeed_optm_js_exc', function($excluded) {
261 - if (!is_array($excluded)) $excluded = array();
262 - $excluded[] = 'chat-script.js';
263 - $excluded[] = 'floating-script.js';
264 - $excluded[] = 'mxchat';
265 - $excluded[] = 'jquery.min.js';
266 - $excluded[] = 'jquery.js';
267 - return $excluded;
268 -});
269 -
270 -// Exclude JS from delayed execution
271 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
272 - if (!is_array($excluded)) $excluded = array();
273 - $excluded[] = 'chat-script.js';
274 - $excluded[] = 'floating-script.js';
275 - $excluded[] = 'mxchat';
276 - return $excluded;
277 -});
278 -
279 -// Exclude from Guest Mode optimization
280 -add_filter('litespeed_guest_optm_exc', function($excluded) {
281 - if (!is_array($excluded)) $excluded = array();
282 - $excluded[] = 'mxchat';
283 - $excluded[] = 'chat-style';
284 - $excluded[] = 'chat-script';
285 - $excluded[] = 'floating-script';
286 - return $excluded;
287 -});
288 -
289 -// ── Autoptimize ──────────────────────────────────────────────────────────────
290 -
291 -// Exclude CSS from optimization (comma-separated strings)
292 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
293 - if (!is_string($excluded)) $excluded = '';
294 - return $excluded . ', mxchat, chat-style.css';
295 -});
296 -
297 -// Exclude JS from optimization (comma-separated strings)
298 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
299 - if (!is_string($excluded)) $excluded = '';
300 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
301 -});
302 -
303 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
304 -
305 -add_filter('sgo_js_minify_exclude', function($excluded) {
306 - if (!is_array($excluded)) $excluded = array();
307 - $excluded[] = 'chat-script.js';
308 - $excluded[] = 'floating-script.js';
309 - $excluded[] = 'jquery.min.js';
310 - return $excluded;
311 -});
312 -
313 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
314 - if (!is_array($excluded)) $excluded = array();
315 - $excluded[] = 'chat-script.js';
316 - $excluded[] = 'floating-script.js';
317 - $excluded[] = 'jquery.min.js';
318 - return $excluded;
319 -});
320 -
321 -add_filter('sgo_js_async_exclude', function($excluded) {
322 - if (!is_array($excluded)) $excluded = array();
323 - $excluded[] = 'chat-script.js';
324 - $excluded[] = 'floating-script.js';
325 - $excluded[] = 'jquery.min.js';
326 - return $excluded;
327 -});
328 -
329 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
330 -
331 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
332 - if (strpos($file, 'chat-script.js') !== false ||
333 - strpos($file, 'floating-script.js') !== false ||
334 - strpos($file, 'jquery.min.js') !== false ||
335 - strpos($file, 'jquery.js') !== false) {
336 - return false;
337 - }
338 - return $do_minify;
339 -}, 10, 3);
340 -
341 -// ── WP Super Cache ──────────────────────────────────────────────────────────
342 -
343 -add_filter('wpsc_rejected_uri', function($rejected) {
344 - if (!is_array($rejected)) $rejected = array();
345 - $rejected[] = 'wp-admin/admin-ajax.php';
346 - return $rejected;
347 -});
348 -
349 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
350 -// Each cache plugin gets its own filter export so that visitors hitting an
351 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
352 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
353 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
354 -// and break the per-session nonce flow on the first message.
355 -
356 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
357 -add_filter('rocket_cache_reject_uri', function($uris) {
358 - if (!is_array($uris)) $uris = array();
359 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
360 - return $uris;
361 -});
362 -
363 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
364 -// caching when the request matches our chat-AJAX pattern.
365 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
366 - if ($no_cache) return $no_cache;
367 - if (!empty($_SERVER['REQUEST_URI']) &&
368 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
369 - !empty($_REQUEST['action']) &&
370 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
371 - return true;
372 - }
373 - return $no_cache;
374 -});
375 -
376 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
377 -// the URI matches.
378 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
379 - if ($skip) return $skip;
380 - if (!empty($_SERVER['REQUEST_URI']) &&
381 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
382 - !empty($_REQUEST['action']) &&
383 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
384 - return true;
385 - }
386 - return $skip;
387 -});
388 -
389 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
390 -// request. Same pattern as LiteSpeed / W3TC.
391 -add_filter('flying_press_cacheable', function($cacheable) {
392 - if (!$cacheable) return $cacheable;
393 - if (!empty($_SERVER['REQUEST_URI']) &&
394 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
395 - !empty($_REQUEST['action']) &&
396 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
397 - return false;
398 - }
399 - return $cacheable;
400 -});
401 -
402 42 // Include classes with error handling
403 43 function mxchat_include_classes() {
404 44 $class_files = array(
405 - 'includes/class-mxchat-model-catalog.php',
406 - 'includes/class-mxchat-live-agent-schedule.php',
407 - 'includes/class-mxchat-tool-registry.php',
408 45 'includes/class-mxchat-integrator.php',
409 46 'includes/class-mxchat-admin.php',
410 47 'includes/class-mxchat-public.php',
411 48 'includes/class-mxchat-utils.php',
@@ -411,13 +48,10 @@
411 48 'includes/class-mxchat-utils.php',
412 49 'includes/class-mxchat-user.php',
413 50 'includes/class-mxchat-meta-box.php',
414 51 'includes/class-mxchat-chunker.php',
52 + 'includes/pdf-parser/alt_autoload.php',
415 53 'includes/class-mxchat-word-handler.php',
416 - 'includes/class-mxchat-content-generator.php',
417 - 'includes/class-mxchat-cache-purge.php',
418 - 'includes/class-mxchat-editor-assistant.php',
419 - 'includes/class-rest-api.php',
420 54 'admin/class-ajax-handler.php',
421 55 'admin/class-pinecone-manager.php',
422 56 'admin/class-knowledge-manager.php'
423 57 );
@@ -429,57 +63,11 @@
429 63 } else {
430 64 //error_log('MxChat: Missing class file - ' . $file);
431 65 }
432 66 }
433 -
434 - // Register the native function-calling admin-post save handler (a41dee).
435 - if (class_exists('MxChat_Tool_Registry')) {
436 - MxChat_Tool_Registry::init();
437 - }
438 -
439 - // Editor Assistant — free, OFF-by-default block-editor AI actions (plan-8cb0cb).
440 - // init() wires REST + streaming AJAX + sidebar enqueue ONLY when the
441 - // mxchat_editor_assistant_enabled option is 'on'; otherwise zero footprint.
442 - if (class_exists('MxChat_Editor_Assistant')) {
443 - MxChat_Editor_Assistant::init();
444 - }
445 -
446 - // Admin pages that aren't classes (procedural include).
447 - if (is_admin()) {
448 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
449 - if (file_exists($admin_api_page)) {
450 - require_once $admin_api_page;
451 - }
452 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
453 - // The require MUST live here (admin bootstrap) and not just inside
454 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
455 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
456 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
457 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
458 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
459 - if (file_exists($admin_onboarding_page)) {
460 - require_once $admin_onboarding_page;
461 - }
462 - }
463 67 }
464 68
465 69 /**
466 - * Lazy-load the PDF parser library only when needed.
467 - * Avoids loading 44 files on every page request.
468 - */
469 -function mxchat_load_pdf_parser() {
470 - if (class_exists('\Smalot\PdfParser\Parser')) {
471 - return true;
472 - }
473 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
474 - if (file_exists($autoload_path)) {
475 - require_once $autoload_path;
476 - return true;
477 - }
478 - return false;
479 -}
480 -
481 -/**
482 70 * Create URL click tracking table
483 71 */
484 72 function mxchat_create_url_clicks_table() {
485 73 global $wpdb;
@@ -747,9 +335,9 @@
747 335
748 336 // Add index for bot_id
749 337 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
750 338
751 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
339 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
752 340 }
753 341
754 342 // Mark migration as complete
755 343 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -784,9 +372,9 @@
784 372
785 373 // Add index for better query performance
786 374 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
787 375
788 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
376 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
789 377 }
790 378
791 379 // Mark migration as complete
792 380 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -792,33 +380,8 @@
792 380 update_option('mxchat_content_type_migration_version', '2.5.6');
793 381 }
794 382
795 383 /**
796 - * 3.2.4: Backfill the active embedding model option for installs that already
797 - * have KB content but no stamped model. The mismatch warning compares this
798 - * against the user's currently selected model — no per-row column needed.
799 - */
800 -function mxchat_backfill_active_embedding_model() {
801 - global $wpdb;
802 -
803 - if (get_option('mxchat_active_embedding_model', '') !== '') {
804 - return;
805 - }
806 -
807 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
808 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
809 - return;
810 - }
811 -
812 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
813 - if ($kb_count > 0) {
814 - $options = get_option('mxchat_options', array());
815 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
816 - update_option('mxchat_active_embedding_model', $current_model, false);
817 - }
818 -}
819 -
820 -/**
821 384 * 2.5.2: Create queue processing tables for reliable background processing
822 385 */
823 386 function mxchat_create_queue_tables() {
824 387 global $wpdb;
@@ -866,58 +429,8 @@
866 429 //error_log("MxChat: Queue tables created/updated successfully");
867 430 }
868 431
869 432 /**
870 - * Create transcript translations table for persisting translations
871 - */
872 -function mxchat_create_translations_table() {
873 - global $wpdb;
874 - $charset_collate = $wpdb->get_charset_collate();
875 -
876 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
877 - $sql = "CREATE TABLE $table_name (
878 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
879 - session_id varchar(255) NOT NULL,
880 - language_code varchar(10) NOT NULL,
881 - translations longtext NOT NULL,
882 - created_at datetime NOT NULL,
883 - updated_at datetime NOT NULL,
884 - PRIMARY KEY (id),
885 - UNIQUE KEY session_lang (session_id, language_code),
886 - KEY session_id (session_id)
887 - ) $charset_collate;";
888 -
889 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
890 - dbDelta($sql);
891 -}
892 -
893 -/**
894 - * Create per-session satisfaction ratings table (v3.2.6)
895 - * Stores one 👍/👎 rating + optional feedback per chat session.
896 - */
897 -function mxchat_create_session_ratings_table() {
898 - global $wpdb;
899 - $charset_collate = $wpdb->get_charset_collate();
900 -
901 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
902 - $sql = "CREATE TABLE $table_name (
903 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
904 - session_id varchar(255) NOT NULL,
905 - bot_id varchar(50) NOT NULL DEFAULT 'default',
906 - rating_value tinyint(1) NOT NULL,
907 - rating_feedback text DEFAULT NULL,
908 - created_at datetime NOT NULL,
909 - PRIMARY KEY (id),
910 - UNIQUE KEY session_id (session_id),
911 - KEY bot_id (bot_id),
912 - KEY created_at (created_at)
913 - ) $charset_collate;";
914 -
915 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
916 - dbDelta($sql);
917 -}
918 -
919 -/**
920 433 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
921 434 * This fixes "url, source_url. The supplied values may be too long" errors
922 435 */
923 436 function mxchat_fix_url_column_size() {
@@ -940,80 +453,22 @@
940 453
941 454 /**
942 455 * Migrate deprecated AI models to their replacements
943 456 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
944 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
945 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
946 457 */
947 -function mxchat_migrate_transcripts_charset() {
948 - global $wpdb;
949 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
950 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
951 -}
952 -
953 -/**
954 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
955 - */
956 458 function mxchat_migrate_deprecated_models() {
957 459 $options = get_option('mxchat_options', array());
958 - $migrated = false;
959 - $migration_message = '';
960 -
961 - if (!isset($options['model'])) {
962 - return;
963 - }
964 -
965 - $current_model = $options['model'];
966 -
967 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
968 - $deprecated_claude_models = array(
969 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
970 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
971 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
972 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
973 - 'claude-3-sonnet-20240229', // Legacy
974 - 'claude-3-haiku-20240307', // Legacy
975 - );
976 - if (in_array($current_model, $deprecated_claude_models, true)) {
977 - $options['model'] = 'claude-opus-4-6';
978 - $migrated = true;
979 - $migration_message = sprintf(
980 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
981 - $current_model
982 - );
983 - }
984 -
985 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
986 - if ($current_model === 'claude-3-5-haiku-20241022') {
987 - $options['model'] = 'claude-haiku-4-5-20251001';
988 - $migrated = true;
989 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
990 - }
991 -
992 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
993 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
994 - $options['model'] = 'gpt-5.1-chat-latest';
995 - $migrated = true;
996 - $migration_message = sprintf(
997 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
998 - $current_model
999 - );
1000 - }
1001 -
1002 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
1003 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
1004 - $options['model'] = 'gpt-5-mini';
1005 - $migrated = true;
1006 - $migration_message = sprintf(
1007 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
1008 - $current_model
1009 - );
1010 - }
1011 -
1012 - if ($migrated) {
460 +
461 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
462 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
463 + // Update to Claude 3.7 Sonnet (the replacement model)
464 + $options['model'] = 'claude-3-7-sonnet-20250219';
1013 465 update_option('mxchat_options', $options);
466 +
467 + // Set a flag to show admin notice
1014 468 update_option('mxchat_model_migrated_notice', true);
1015 - update_option('mxchat_model_migration_message', $migration_message);
469 +
470 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
1016 471 }
1017 472 }
1018 473
1019 474 /**
@@ -1020,19 +475,17 @@
1020 475 * Show admin notice after model migration
1021 476 */
1022 477 function mxchat_show_migration_notice() {
1023 478 if (get_option('mxchat_model_migrated_notice')) {
1024 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
1025 479 ?>
1026 480 <div class="notice notice-info is-dismissible">
1027 481 <p>
1028 482 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
1029 - <?php echo esc_html($migration_message); ?>
483 + <?php esc_html_e('Your chatbot model has been automatically updated from Claude 3.5 Sonnet to Claude 3.7 Sonnet due to the deprecation of the previous model by Anthropic. Claude 3.7 Sonnet offers improved performance and capabilities.', 'mxchat'); ?>
1030 484 </p>
1031 485 </div>
1032 486 <?php
1033 487 delete_option('mxchat_model_migrated_notice');
1034 - delete_option('mxchat_model_migration_message');
1035 488 }
1036 489 }
1037 490
1038 491 function mxchat_activate() {
@@ -1072,26 +525,13 @@
1072 525 enabled_bots LONGTEXT DEFAULT NULL,
1073 526 PRIMARY KEY (id)
1074 527 ) $charset_collate;";
1075 528
1076 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1077 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1078 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1079 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1080 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1081 - phrase TEXT NOT NULL,
1082 - embedding_vector LONGTEXT NOT NULL,
1083 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1084 - PRIMARY KEY (id),
1085 - KEY intent_id (intent_id)
1086 - ) $charset_collate;";
1087 -
1088 529 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1089 530
1090 531 // Create other tables
1091 532 dbDelta($sql_system_prompt);
1092 533 dbDelta($sql_intents_table);
1093 - dbDelta($sql_intent_phrases_table);
1094 534
1095 535 // Create URL click tracking table
1096 536 mxchat_create_url_clicks_table();
1097 537
@@ -1100,14 +540,8 @@
1100 540
1101 541 // NEW 2.5.2: Create queue processing tables
1102 542 mxchat_create_queue_tables();
1103 543
1104 - // Create transcript translations table
1105 - mxchat_create_translations_table();
1106 -
1107 - // Create per-session satisfaction ratings table (v3.2.6)
1108 - mxchat_create_session_ratings_table();
1109 -
1110 544 // Ensure additional columns in system prompt table
1111 545 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1112 546 if (!empty($existing_system_columns)) {
1113 547 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1150,11 +584,8 @@
1150 584
1151 585 // Run migration for existing installations
1152 586 mxchat_migrate_pinecone_roles_add_bot_id();
1153 587
1154 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1155 - mxchat_backfill_active_embedding_model();
1156 -
1157 588 // Setup cron jobs
1158 589 mxchat_setup_cron_jobs();
1159 590
1160 591 // Update version
@@ -1174,35 +605,28 @@
1174 605 if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1175 606 // Set flag to use fallback system
1176 607 update_option('mxchat_use_fallback_rate_limits', true);
1177 608 update_option('mxchat_next_rate_limit_check', time() + 3600);
1178 - // Deliberately NO early return (plan-bc08a6): transcript cleanup below
1179 - // must still be scheduled. DISABLE_WP_CRON only changes HOW cron events
1180 - // execute (a server-side runner hitting wp-cron.php instead of loopback
1181 - // spawns) — scheduling still just writes the cron option. The old early
1182 - // return here meant a deactivate/reactivate cycle on a DISABLE_WP_CRON
1183 - // site permanently lost the transcript cleanup event while the retention
1184 - // setting still claimed to be active.
609 + return;
610 + }
611 +
612 + // Schedule the rate limit reset cron job
613 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
614 +
615 + if ($result === false) {
616 + // Fallback if scheduling fails
617 + update_option('mxchat_use_fallback_rate_limits', true);
618 + update_option('mxchat_next_rate_limit_check', time() + 3600);
1185 619 } else {
1186 - // Schedule the rate limit reset cron job
1187 - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1188 -
1189 - if ($result === false) {
1190 - // Fallback if scheduling fails
1191 - update_option('mxchat_use_fallback_rate_limits', true);
1192 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1193 - } else {
1194 - // Clear fallback flags if cron scheduling succeeded
1195 - delete_option('mxchat_use_fallback_rate_limits');
1196 - }
620 + // Clear fallback flags if cron scheduling succeeded
621 + delete_option('mxchat_use_fallback_rate_limits');
1197 622 }
1198 -
1199 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
623 +
624 + // Schedule transcript cleanup if configured
1200 625 $transcript_options = get_option('mxchat_transcripts_options', array());
1201 626 $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1202 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1203 -
1204 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
627 +
628 + if ($cleanup_interval !== 'never') {
1205 629 // Check if not already scheduled
1206 630 if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1207 631 // Schedule to run daily at 3 AM
1208 632 $next_run = strtotime('tomorrow 3:00 AM');
@@ -1279,14 +703,11 @@
1279 703
1280 704 // Version-specific migrations
1281 705 if ($current_version !== $plugin_version) {
1282 706 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1283 -
707 +
1284 708 // Run live agent update BEFORE updating the stored version
1285 709 mxchat_handle_live_agent_update();
1286 -
1287 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1288 - mxchat_handle_theme_migration_notice();
1289 710
1290 711 // Run role restriction migration for 2.4.1
1291 712 if (version_compare($current_version, '2.4.1', '<')) {
1292 713 mxchat_add_role_restriction_column();
@@ -1315,35 +736,8 @@
1315 736 mxchat_ensure_all_columns($chat_table);
1316 737 //error_log("MxChat: rag_context column migration for 2.6.0");
1317 738 }
1318 739
1319 - // 3.0.5: Migrate deprecated Gemini embedding model
1320 - if (version_compare($current_version, '3.0.5', '<')) {
1321 - mxchat_migrate_gemini_embedding_model();
1322 - }
1323 -
1324 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1325 - if (version_compare($current_version, '3.0.6', '<')) {
1326 - mxchat_migrate_deprecated_models();
1327 - }
1328 -
1329 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1330 - if (version_compare($current_version, '3.1.2', '<')) {
1331 - mxchat_migrate_transcripts_charset();
1332 - }
1333 -
1334 - // 3.1.7: Clean up stale shared session email/name entries
1335 - if (version_compare($current_version, '3.1.7', '<')) {
1336 - delete_option('mxchat_email_null');
1337 - delete_option('mxchat_name_null');
1338 - }
1339 -
1340 - // 3.2.4: Backfill active embedding model option for the warning UI
1341 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1342 - if (version_compare($current_version, '3.2.4', '<')) {
1343 - mxchat_backfill_active_embedding_model();
1344 - }
1345 -
1346 740 // Run full activation to ensure everything is up to date
1347 741 mxchat_activate();
1348 742
1349 743 // Run migration functions
@@ -1475,59 +869,31 @@
1475 869 function mxchat_handle_live_agent_update() {
1476 870 // Get the CURRENT stored version (before it gets updated)
1477 871 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1478 872 $new_version = '2.2.2';
1479 -
873 +
1480 874 // Only run this once for the update to 2.2.2
1481 875 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1482 -
876 +
1483 877 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1484 878 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1485 879 $options = get_option('mxchat_options', array());
1486 -
880 +
1487 881 // Check if live agent was previously enabled
1488 882 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1489 883 // Disable live agent
1490 884 $options['live_agent_status'] = 'off';
1491 885 update_option('mxchat_options', $options);
1492 -
886 +
1493 887 // Set flag to show the notification banner
1494 888 update_option('mxchat_show_live_agent_disabled_notice', true);
1495 889 }
1496 -
890 +
1497 891 // Mark this update as handled
1498 892 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1499 893 }
1500 894 }
1501 895
1502 -/**
1503 - * Handle theme migration notice for version 3.0.1
1504 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1505 - */
1506 -function mxchat_handle_theme_migration_notice() {
1507 - // Get the CURRENT stored version (before it gets updated)
1508 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1509 - $target_version = '3.0.1';
1510 -
1511 - // Only run this once for the update to 3.0.1
1512 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1513 -
1514 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1515 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1516 - // Check if Pro is activated - only show to Pro users
1517 - $license_status = get_option('mxchat_license_status', 'inactive');
1518 - $is_pro = ($license_status === 'active');
1519 -
1520 - if ($is_pro) {
1521 - // Set flag to show the theme migration notification banner
1522 - update_option('mxchat_show_theme_migration_notice', true);
1523 - }
1524 -
1525 - // Mark this update as handled (whether Pro or not)
1526 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1527 - }
1528 -}
1529 -
1530 896 // Initialize plugin safely
1531 897 function mxchat_init() {
1532 898 // Include all class files first
1533 899 mxchat_include_classes();
@@ -1559,32 +925,10 @@
1559 925 // Initialize meta box class
1560 926 if (class_exists('MxChat_Meta_Box')) {
1561 927 new MxChat_Meta_Box();
1562 928 }
1563 -
1564 929 }
1565 -
1566 - // Initialize content generator globally — it registers wp_head hook
1567 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1568 - if (class_exists('MxChat_Content_Generator')) {
1569 - new MxChat_Content_Generator();
1570 - }
1571 -
1572 - // Initialize cache purge globally — settings writes can happen on any
1573 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
1574 - // deferred-purge cron event fires on front-end requests.
1575 - if (class_exists('MxChat_Cache_Purge')) {
1576 - MxChat_Cache_Purge::init();
1577 - }
1578 -
1579 - // Initialize REST API globally — endpoints must be registered on
1580 - // every request (admin and frontend) so they're reachable via /wp-json/.
1581 - // Endpoints are auth-gated and locked until the site owner generates
1582 - // a token in MxChat → API Access.
1583 - if (class_exists('MxChat_Rest_Api')) {
1584 - new MxChat_Rest_Api();
1585 - }
1586 -
930 +
1587 931 // Initialize public classes
1588 932 if (class_exists('MxChat_Public')) {
1589 933 $mxchat_public = new MxChat_Public();
1590 934 }
@@ -1628,57 +972,10 @@
1628 972 $checked = true;
1629 973
1630 974 mxchat_migrate_pinecone_roles_add_bot_id();
1631 975 mxchat_migrate_add_content_type_column();
1632 - mxchat_migrate_add_translations_table();
1633 - mxchat_migrate_add_session_ratings_table();
1634 976 }
1635 977
1636 -/**
1637 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1638 - * For users upgrading from versions before 3.2.6
1639 - */
1640 -function mxchat_migrate_add_session_ratings_table() {
1641 - $migration_key = 'mxchat_session_ratings_table_created';
1642 - if (get_option($migration_key)) {
1643 - return;
1644 - }
1645 - mxchat_create_session_ratings_table();
1646 - update_option($migration_key, '3.2.6');
1647 -}
1648 -
1649 -/**
1650 - * Migration: Create transcript translations table (v3.0.4)
1651 - * For users upgrading from versions before 3.0.4
1652 - */
1653 -function mxchat_migrate_add_translations_table() {
1654 - $migration_key = 'mxchat_translations_table_created';
1655 -
1656 - // Check if migration already ran
1657 - if (get_option($migration_key)) {
1658 - return;
1659 - }
1660 -
1661 - // Create the translations table
1662 - mxchat_create_translations_table();
1663 -
1664 - // Mark migration as complete
1665 - update_option($migration_key, '3.0.4');
1666 -}
1667 -
1668 -/**
1669 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1670 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1671 - */
1672 -function mxchat_migrate_gemini_embedding_model() {
1673 - $options = get_option('mxchat_options', array());
1674 -
1675 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1676 - $options['embedding_model'] = 'gemini-embedding-001';
1677 - update_option('mxchat_options', $options);
1678 - }
1679 -}
1680 -
1681 978 // Register activation hook
1682 979 register_activation_hook(__FILE__, 'mxchat_activate');
1683 980
1684 981 // Add cron schedule
@@ -1690,67 +987,5 @@
1690 987 return $schedules;
1691 988 });
1692 989
1693 990 // Register deactivation hook
1694 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1695 -
1696 -/**
1697 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1698 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1699 - * session_id makes this naturally idempotent — only the first rating per
1700 - * session is stored; duplicate POSTs are silent no-ops.
1701 - */
1702 -function mxchat_save_session_rating() {
1703 - global $wpdb;
1704 -
1705 - $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : '';
1706 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1707 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1708 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1709 -
1710 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1711 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1712 - }
1713 -
1714 - if (strlen($feedback) > 1000) {
1715 - $feedback = substr($feedback, 0, 1000);
1716 - }
1717 -
1718 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1719 - $existing = $wpdb->get_var($wpdb->prepare(
1720 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1721 - $session_id
1722 - ));
1723 -
1724 - if ($existing) {
1725 - if ($feedback !== '') {
1726 - $wpdb->update(
1727 - $table_name,
1728 - array('rating_feedback' => $feedback),
1729 - array('id' => (int) $existing),
1730 - array('%s'),
1731 - array('%d')
1732 - );
1733 - }
1734 - wp_send_json_success(array('updated' => true));
1735 - }
1736 -
1737 - $inserted = $wpdb->insert(
1738 - $table_name,
1739 - array(
1740 - 'session_id' => $session_id,
1741 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1742 - 'rating_value' => $rating_raw,
1743 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1744 - 'created_at' => current_time('mysql'),
1745 - ),
1746 - array('%s', '%s', '%d', '%s', '%s')
1747 - );
1748 -
1749 - if ($inserted === false) {
1750 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1751 - }
1752 -
1753 - wp_send_json_success(array('saved' => true));
1754 -}
1755 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1756 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
991 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');