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 +28 -658 3.2.62.6.3 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: 3.2.6
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
@@ -15,20 +15,13 @@
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 26 function mxchat_load_textdomain() {
34 27 $domain = 'mxchat';
@@ -45,266 +38,8 @@
45 38 load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
46 39 }
47 40 add_action('init', 'mxchat_load_textdomain');
48 41
49 -/**
50 - * Exclude MxChat assets from caching plugin optimizations
51 - *
52 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
53 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
54 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
55 - *
56 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
57 - * be excluded from any optimization that changes load order or timing.
58 - */
59 -
60 -// ── WP Rocket ────────────────────────────────────────────────────────────────
61 -
62 -// Exclude from Remove Unused CSS (RUCSS)
63 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
64 - if (!is_array($exclusions)) $exclusions = array();
65 - $exclusions[] = 'mxchat';
66 - return $exclusions;
67 -});
68 -
69 -// Exclude CSS from minification/combination
70 -add_filter('rocket_exclude_css', function($excluded) {
71 - if (!is_array($excluded)) $excluded = array();
72 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
73 - return $excluded;
74 -});
75 -
76 -// Exclude JS from minification/combination
77 -add_filter('rocket_exclude_js', function($excluded) {
78 - if (!is_array($excluded)) $excluded = array();
79 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
80 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
81 - $excluded[] = '/jquery-core';
82 - $excluded[] = '/jquery.min.js';
83 - $excluded[] = '/jquery.js';
84 - $excluded[] = '/jquery-migrate';
85 - return $excluded;
86 -});
87 -
88 -// Exclude JS from defer
89 -add_filter('rocket_exclude_defer_js', function($excluded) {
90 - if (!is_array($excluded)) $excluded = array();
91 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
92 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
93 - $excluded[] = '/jquery-core';
94 - $excluded[] = '/jquery.min.js';
95 - $excluded[] = '/jquery.js';
96 - $excluded[] = '/jquery-migrate';
97 - return $excluded;
98 -});
99 -
100 -// Exclude from delay JS execution
101 -add_filter('rocket_delay_js_exclusions', function($excluded) {
102 - if (!is_array($excluded)) $excluded = array();
103 - $excluded[] = 'mxchat';
104 - $excluded[] = 'chat-script';
105 - $excluded[] = 'floating-script';
106 - $excluded[] = '/jquery-core';
107 - $excluded[] = '/jquery.min.js';
108 - $excluded[] = '/jquery.js';
109 - $excluded[] = '/jquery-migrate';
110 - return $excluded;
111 -});
112 -
113 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
114 -
115 -// Exclude CSS from optimization
116 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
117 - if (!is_array($excluded)) $excluded = array();
118 - $excluded[] = 'chat-style.css';
119 - $excluded[] = 'mxchat';
120 - return $excluded;
121 -});
122 -
123 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
124 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
125 - if (!is_array($whitelist)) $whitelist = array();
126 - $whitelist[] = '.mxchat-chatbot-wrapper';
127 - $whitelist[] = '.floating-chatbot';
128 - $whitelist[] = '.floating-chatbot-button';
129 - $whitelist[] = '.chatbot-top-bar';
130 - $whitelist[] = '.mxchat-chatbot';
131 - $whitelist[] = '.chat-container';
132 - $whitelist[] = '.chat-box';
133 - $whitelist[] = '.bot-message';
134 - $whitelist[] = '.input-container';
135 - $whitelist[] = '.chat-input';
136 - $whitelist[] = '.send-button';
137 - $whitelist[] = '.pre-chat-message';
138 - $whitelist[] = '.mxchat-popular-questions';
139 - $whitelist[] = '.chat-toolbar';
140 - $whitelist[] = '.exit-chat';
141 - $whitelist[] = '.email-blocker';
142 - return $whitelist;
143 -});
144 -
145 -// Exclude CSS from CCSS (Critical CSS) generation
146 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
147 - if (!is_array($excluded)) $excluded = array();
148 - $excluded[] = 'chat-style.css';
149 - $excluded[] = 'mxchat';
150 - return $excluded;
151 -});
152 -
153 -// Exclude JS from defer
154 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
155 - if (!is_array($excluded)) $excluded = array();
156 - $excluded[] = 'chat-script.js';
157 - $excluded[] = 'floating-script.js';
158 - $excluded[] = 'mxchat';
159 - $excluded[] = 'jquery.min.js';
160 - $excluded[] = 'jquery.js';
161 - return $excluded;
162 -});
163 -
164 -// Exclude JS from combining
165 -add_filter('litespeed_optm_js_exc', function($excluded) {
166 - if (!is_array($excluded)) $excluded = array();
167 - $excluded[] = 'chat-script.js';
168 - $excluded[] = 'floating-script.js';
169 - $excluded[] = 'mxchat';
170 - $excluded[] = 'jquery.min.js';
171 - $excluded[] = 'jquery.js';
172 - return $excluded;
173 -});
174 -
175 -// Exclude JS from delayed execution
176 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
177 - if (!is_array($excluded)) $excluded = array();
178 - $excluded[] = 'chat-script.js';
179 - $excluded[] = 'floating-script.js';
180 - $excluded[] = 'mxchat';
181 - return $excluded;
182 -});
183 -
184 -// Exclude from Guest Mode optimization
185 -add_filter('litespeed_guest_optm_exc', function($excluded) {
186 - if (!is_array($excluded)) $excluded = array();
187 - $excluded[] = 'mxchat';
188 - $excluded[] = 'chat-style';
189 - $excluded[] = 'chat-script';
190 - $excluded[] = 'floating-script';
191 - return $excluded;
192 -});
193 -
194 -// ── Autoptimize ──────────────────────────────────────────────────────────────
195 -
196 -// Exclude CSS from optimization (comma-separated strings)
197 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
198 - if (!is_string($excluded)) $excluded = '';
199 - return $excluded . ', mxchat, chat-style.css';
200 -});
201 -
202 -// Exclude JS from optimization (comma-separated strings)
203 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
204 - if (!is_string($excluded)) $excluded = '';
205 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
206 -});
207 -
208 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
209 -
210 -add_filter('sgo_js_minify_exclude', function($excluded) {
211 - if (!is_array($excluded)) $excluded = array();
212 - $excluded[] = 'chat-script.js';
213 - $excluded[] = 'floating-script.js';
214 - $excluded[] = 'jquery.min.js';
215 - return $excluded;
216 -});
217 -
218 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
219 - if (!is_array($excluded)) $excluded = array();
220 - $excluded[] = 'chat-script.js';
221 - $excluded[] = 'floating-script.js';
222 - $excluded[] = 'jquery.min.js';
223 - return $excluded;
224 -});
225 -
226 -add_filter('sgo_js_async_exclude', function($excluded) {
227 - if (!is_array($excluded)) $excluded = array();
228 - $excluded[] = 'chat-script.js';
229 - $excluded[] = 'floating-script.js';
230 - $excluded[] = 'jquery.min.js';
231 - return $excluded;
232 -});
233 -
234 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
235 -
236 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
237 - if (strpos($file, 'chat-script.js') !== false ||
238 - strpos($file, 'floating-script.js') !== false ||
239 - strpos($file, 'jquery.min.js') !== false ||
240 - strpos($file, 'jquery.js') !== false) {
241 - return false;
242 - }
243 - return $do_minify;
244 -}, 10, 3);
245 -
246 -// ── WP Super Cache ──────────────────────────────────────────────────────────
247 -
248 -add_filter('wpsc_rejected_uri', function($rejected) {
249 - if (!is_array($rejected)) $rejected = array();
250 - $rejected[] = 'wp-admin/admin-ajax.php';
251 - return $rejected;
252 -});
253 -
254 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
255 -// Each cache plugin gets its own filter export so that visitors hitting an
256 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
257 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
258 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
259 -// and break the per-session nonce flow on the first message.
260 -
261 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
262 -add_filter('rocket_cache_reject_uri', function($uris) {
263 - if (!is_array($uris)) $uris = array();
264 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
265 - return $uris;
266 -});
267 -
268 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
269 -// caching when the request matches our chat-AJAX pattern.
270 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
271 - if ($no_cache) return $no_cache;
272 - if (!empty($_SERVER['REQUEST_URI']) &&
273 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
274 - !empty($_REQUEST['action']) &&
275 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
276 - return true;
277 - }
278 - return $no_cache;
279 -});
280 -
281 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
282 -// the URI matches.
283 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
284 - if ($skip) return $skip;
285 - if (!empty($_SERVER['REQUEST_URI']) &&
286 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
287 - !empty($_REQUEST['action']) &&
288 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
289 - return true;
290 - }
291 - return $skip;
292 -});
293 -
294 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
295 -// request. Same pattern as LiteSpeed / W3TC.
296 -add_filter('flying_press_cacheable', function($cacheable) {
297 - if (!$cacheable) return $cacheable;
298 - if (!empty($_SERVER['REQUEST_URI']) &&
299 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
300 - !empty($_REQUEST['action']) &&
301 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
302 - return false;
303 - }
304 - return $cacheable;
305 -});
306 -
307 42 // Include classes with error handling
308 43 function mxchat_include_classes() {
309 44 $class_files = array(
310 45 'includes/class-mxchat-integrator.php',
@@ -313,11 +48,10 @@
313 48 'includes/class-mxchat-utils.php',
314 49 'includes/class-mxchat-user.php',
315 50 'includes/class-mxchat-meta-box.php',
316 51 'includes/class-mxchat-chunker.php',
52 + 'includes/pdf-parser/alt_autoload.php',
317 53 'includes/class-mxchat-word-handler.php',
318 - 'includes/class-mxchat-content-generator.php',
319 - 'includes/class-rest-api.php',
320 54 'admin/class-ajax-handler.php',
321 55 'admin/class-pinecone-manager.php',
322 56 'admin/class-knowledge-manager.php'
323 57 );
@@ -329,35 +63,11 @@
329 63 } else {
330 64 //error_log('MxChat: Missing class file - ' . $file);
331 65 }
332 66 }
333 -
334 - // Admin pages that aren't classes (procedural include).
335 - if (is_admin()) {
336 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
337 - if (file_exists($admin_api_page)) {
338 - require_once $admin_api_page;
339 - }
340 - }
341 67 }
342 68
343 69 /**
344 - * Lazy-load the PDF parser library only when needed.
345 - * Avoids loading 44 files on every page request.
346 - */
347 -function mxchat_load_pdf_parser() {
348 - if (class_exists('\Smalot\PdfParser\Parser')) {
349 - return true;
350 - }
351 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
352 - if (file_exists($autoload_path)) {
353 - require_once $autoload_path;
354 - return true;
355 - }
356 - return false;
357 -}
358 -
359 -/**
360 70 * Create URL click tracking table
361 71 */
362 72 function mxchat_create_url_clicks_table() {
363 73 global $wpdb;
@@ -625,9 +335,9 @@
625 335
626 336 // Add index for bot_id
627 337 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
628 338
629 - //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');
630 340 }
631 341
632 342 // Mark migration as complete
633 343 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -662,9 +372,9 @@
662 372
663 373 // Add index for better query performance
664 374 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
665 375
666 - //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');
667 377 }
668 378
669 379 // Mark migration as complete
670 380 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -670,33 +380,8 @@
670 380 update_option('mxchat_content_type_migration_version', '2.5.6');
671 381 }
672 382
673 383 /**
674 - * 3.2.4: Backfill the active embedding model option for installs that already
675 - * have KB content but no stamped model. The mismatch warning compares this
676 - * against the user's currently selected model — no per-row column needed.
677 - */
678 -function mxchat_backfill_active_embedding_model() {
679 - global $wpdb;
680 -
681 - if (get_option('mxchat_active_embedding_model', '') !== '') {
682 - return;
683 - }
684 -
685 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
686 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
687 - return;
688 - }
689 -
690 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
691 - if ($kb_count > 0) {
692 - $options = get_option('mxchat_options', array());
693 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
694 - update_option('mxchat_active_embedding_model', $current_model, false);
695 - }
696 -}
697 -
698 -/**
699 384 * 2.5.2: Create queue processing tables for reliable background processing
700 385 */
701 386 function mxchat_create_queue_tables() {
702 387 global $wpdb;
@@ -744,58 +429,8 @@
744 429 //error_log("MxChat: Queue tables created/updated successfully");
745 430 }
746 431
747 432 /**
748 - * Create transcript translations table for persisting translations
749 - */
750 -function mxchat_create_translations_table() {
751 - global $wpdb;
752 - $charset_collate = $wpdb->get_charset_collate();
753 -
754 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
755 - $sql = "CREATE TABLE $table_name (
756 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
757 - session_id varchar(255) NOT NULL,
758 - language_code varchar(10) NOT NULL,
759 - translations longtext NOT NULL,
760 - created_at datetime NOT NULL,
761 - updated_at datetime NOT NULL,
762 - PRIMARY KEY (id),
763 - UNIQUE KEY session_lang (session_id, language_code),
764 - KEY session_id (session_id)
765 - ) $charset_collate;";
766 -
767 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
768 - dbDelta($sql);
769 -}
770 -
771 -/**
772 - * Create per-session satisfaction ratings table (v3.2.6)
773 - * Stores one 👍/👎 rating + optional feedback per chat session.
774 - */
775 -function mxchat_create_session_ratings_table() {
776 - global $wpdb;
777 - $charset_collate = $wpdb->get_charset_collate();
778 -
779 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
780 - $sql = "CREATE TABLE $table_name (
781 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
782 - session_id varchar(255) NOT NULL,
783 - bot_id varchar(50) NOT NULL DEFAULT 'default',
784 - rating_value tinyint(1) NOT NULL,
785 - rating_feedback text DEFAULT NULL,
786 - created_at datetime NOT NULL,
787 - PRIMARY KEY (id),
788 - UNIQUE KEY session_id (session_id),
789 - KEY bot_id (bot_id),
790 - KEY created_at (created_at)
791 - ) $charset_collate;";
792 -
793 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
794 - dbDelta($sql);
795 -}
796 -
797 -/**
798 433 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
799 434 * This fixes "url, source_url. The supplied values may be too long" errors
800 435 */
801 436 function mxchat_fix_url_column_size() {
@@ -818,80 +453,22 @@
818 453
819 454 /**
820 455 * Migrate deprecated AI models to their replacements
821 456 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
822 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
823 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
824 457 */
825 -function mxchat_migrate_transcripts_charset() {
826 - global $wpdb;
827 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
828 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
829 -}
830 -
831 -/**
832 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
833 - */
834 458 function mxchat_migrate_deprecated_models() {
835 459 $options = get_option('mxchat_options', array());
836 - $migrated = false;
837 - $migration_message = '';
838 -
839 - if (!isset($options['model'])) {
840 - return;
841 - }
842 -
843 - $current_model = $options['model'];
844 -
845 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
846 - $deprecated_claude_models = array(
847 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
848 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
849 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
850 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
851 - 'claude-3-sonnet-20240229', // Legacy
852 - 'claude-3-haiku-20240307', // Legacy
853 - );
854 - if (in_array($current_model, $deprecated_claude_models, true)) {
855 - $options['model'] = 'claude-opus-4-6';
856 - $migrated = true;
857 - $migration_message = sprintf(
858 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
859 - $current_model
860 - );
861 - }
862 -
863 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
864 - if ($current_model === 'claude-3-5-haiku-20241022') {
865 - $options['model'] = 'claude-haiku-4-5-20251001';
866 - $migrated = true;
867 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
868 - }
869 -
870 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
871 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
872 - $options['model'] = 'gpt-5.1-chat-latest';
873 - $migrated = true;
874 - $migration_message = sprintf(
875 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
876 - $current_model
877 - );
878 - }
879 -
880 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
881 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
882 - $options['model'] = 'gpt-5-mini';
883 - $migrated = true;
884 - $migration_message = sprintf(
885 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
886 - $current_model
887 - );
888 - }
889 -
890 - if ($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';
891 465 update_option('mxchat_options', $options);
466 +
467 + // Set a flag to show admin notice
892 468 update_option('mxchat_model_migrated_notice', true);
893 - update_option('mxchat_model_migration_message', $migration_message);
469 +
470 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
894 471 }
895 472 }
896 473
897 474 /**
@@ -898,19 +475,17 @@
898 475 * Show admin notice after model migration
899 476 */
900 477 function mxchat_show_migration_notice() {
901 478 if (get_option('mxchat_model_migrated_notice')) {
902 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
903 479 ?>
904 480 <div class="notice notice-info is-dismissible">
905 481 <p>
906 482 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
907 - <?php echo esc_html($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'); ?>
908 484 </p>
909 485 </div>
910 486 <?php
911 487 delete_option('mxchat_model_migrated_notice');
912 - delete_option('mxchat_model_migration_message');
913 488 }
914 489 }
915 490
916 491 function mxchat_activate() {
@@ -950,26 +525,13 @@
950 525 enabled_bots LONGTEXT DEFAULT NULL,
951 526 PRIMARY KEY (id)
952 527 ) $charset_collate;";
953 528
954 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
955 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
956 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
957 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
958 - intent_id BIGINT(20) UNSIGNED NOT NULL,
959 - phrase TEXT NOT NULL,
960 - embedding_vector LONGTEXT NOT NULL,
961 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
962 - PRIMARY KEY (id),
963 - KEY intent_id (intent_id)
964 - ) $charset_collate;";
965 -
966 529 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
967 530
968 531 // Create other tables
969 532 dbDelta($sql_system_prompt);
970 533 dbDelta($sql_intents_table);
971 - dbDelta($sql_intent_phrases_table);
972 534
973 535 // Create URL click tracking table
974 536 mxchat_create_url_clicks_table();
975 537
@@ -978,14 +540,8 @@
978 540
979 541 // NEW 2.5.2: Create queue processing tables
980 542 mxchat_create_queue_tables();
981 543
982 - // Create transcript translations table
983 - mxchat_create_translations_table();
984 -
985 - // Create per-session satisfaction ratings table (v3.2.6)
986 - mxchat_create_session_ratings_table();
987 -
988 544 // Ensure additional columns in system prompt table
989 545 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
990 546 if (!empty($existing_system_columns)) {
991 547 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1028,11 +584,8 @@
1028 584
1029 585 // Run migration for existing installations
1030 586 mxchat_migrate_pinecone_roles_add_bot_id();
1031 587
1032 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1033 - mxchat_backfill_active_embedding_model();
1034 -
1035 588 // Setup cron jobs
1036 589 mxchat_setup_cron_jobs();
1037 590
1038 591 // Update version
@@ -1067,14 +620,13 @@
1067 620 // Clear fallback flags if cron scheduling succeeded
1068 621 delete_option('mxchat_use_fallback_rate_limits');
1069 622 }
1070 623
1071 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
624 + // Schedule transcript cleanup if configured
1072 625 $transcript_options = get_option('mxchat_transcripts_options', array());
1073 626 $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1074 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1075 -
1076 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
627 +
628 + if ($cleanup_interval !== 'never') {
1077 629 // Check if not already scheduled
1078 630 if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1079 631 // Schedule to run daily at 3 AM
1080 632 $next_run = strtotime('tomorrow 3:00 AM');
@@ -1151,14 +703,11 @@
1151 703
1152 704 // Version-specific migrations
1153 705 if ($current_version !== $plugin_version) {
1154 706 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1155 -
707 +
1156 708 // Run live agent update BEFORE updating the stored version
1157 709 mxchat_handle_live_agent_update();
1158 -
1159 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1160 - mxchat_handle_theme_migration_notice();
1161 710
1162 711 // Run role restriction migration for 2.4.1
1163 712 if (version_compare($current_version, '2.4.1', '<')) {
1164 713 mxchat_add_role_restriction_column();
@@ -1187,35 +736,8 @@
1187 736 mxchat_ensure_all_columns($chat_table);
1188 737 //error_log("MxChat: rag_context column migration for 2.6.0");
1189 738 }
1190 739
1191 - // 3.0.5: Migrate deprecated Gemini embedding model
1192 - if (version_compare($current_version, '3.0.5', '<')) {
1193 - mxchat_migrate_gemini_embedding_model();
1194 - }
1195 -
1196 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1197 - if (version_compare($current_version, '3.0.6', '<')) {
1198 - mxchat_migrate_deprecated_models();
1199 - }
1200 -
1201 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1202 - if (version_compare($current_version, '3.1.2', '<')) {
1203 - mxchat_migrate_transcripts_charset();
1204 - }
1205 -
1206 - // 3.1.7: Clean up stale shared session email/name entries
1207 - if (version_compare($current_version, '3.1.7', '<')) {
1208 - delete_option('mxchat_email_null');
1209 - delete_option('mxchat_name_null');
1210 - }
1211 -
1212 - // 3.2.4: Backfill active embedding model option for the warning UI
1213 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1214 - if (version_compare($current_version, '3.2.4', '<')) {
1215 - mxchat_backfill_active_embedding_model();
1216 - }
1217 -
1218 740 // Run full activation to ensure everything is up to date
1219 741 mxchat_activate();
1220 742
1221 743 // Run migration functions
@@ -1347,59 +869,31 @@
1347 869 function mxchat_handle_live_agent_update() {
1348 870 // Get the CURRENT stored version (before it gets updated)
1349 871 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1350 872 $new_version = '2.2.2';
1351 -
873 +
1352 874 // Only run this once for the update to 2.2.2
1353 875 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1354 -
876 +
1355 877 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1356 878 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1357 879 $options = get_option('mxchat_options', array());
1358 -
880 +
1359 881 // Check if live agent was previously enabled
1360 882 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1361 883 // Disable live agent
1362 884 $options['live_agent_status'] = 'off';
1363 885 update_option('mxchat_options', $options);
1364 -
886 +
1365 887 // Set flag to show the notification banner
1366 888 update_option('mxchat_show_live_agent_disabled_notice', true);
1367 889 }
1368 -
890 +
1369 891 // Mark this update as handled
1370 892 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1371 893 }
1372 894 }
1373 895
1374 -/**
1375 - * Handle theme migration notice for version 3.0.1
1376 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1377 - */
1378 -function mxchat_handle_theme_migration_notice() {
1379 - // Get the CURRENT stored version (before it gets updated)
1380 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1381 - $target_version = '3.0.1';
1382 -
1383 - // Only run this once for the update to 3.0.1
1384 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1385 -
1386 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1387 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1388 - // Check if Pro is activated - only show to Pro users
1389 - $license_status = get_option('mxchat_license_status', 'inactive');
1390 - $is_pro = ($license_status === 'active');
1391 -
1392 - if ($is_pro) {
1393 - // Set flag to show the theme migration notification banner
1394 - update_option('mxchat_show_theme_migration_notice', true);
1395 - }
1396 -
1397 - // Mark this update as handled (whether Pro or not)
1398 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1399 - }
1400 -}
1401 -
1402 896 // Initialize plugin safely
1403 897 function mxchat_init() {
1404 898 // Include all class files first
1405 899 mxchat_include_classes();
@@ -1431,25 +925,10 @@
1431 925 // Initialize meta box class
1432 926 if (class_exists('MxChat_Meta_Box')) {
1433 927 new MxChat_Meta_Box();
1434 928 }
1435 -
1436 929 }
1437 -
1438 - // Initialize content generator globally — it registers wp_head hook
1439 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1440 - if (class_exists('MxChat_Content_Generator')) {
1441 - new MxChat_Content_Generator();
1442 - }
1443 -
1444 - // Initialize REST API globally — endpoints must be registered on
1445 - // every request (admin and frontend) so they're reachable via /wp-json/.
1446 - // Endpoints are auth-gated and locked until the site owner generates
1447 - // a token in MxChat → API Access.
1448 - if (class_exists('MxChat_Rest_Api')) {
1449 - new MxChat_Rest_Api();
1450 - }
1451 -
930 +
1452 931 // Initialize public classes
1453 932 if (class_exists('MxChat_Public')) {
1454 933 $mxchat_public = new MxChat_Public();
1455 934 }
@@ -1493,57 +972,10 @@
1493 972 $checked = true;
1494 973
1495 974 mxchat_migrate_pinecone_roles_add_bot_id();
1496 975 mxchat_migrate_add_content_type_column();
1497 - mxchat_migrate_add_translations_table();
1498 - mxchat_migrate_add_session_ratings_table();
1499 976 }
1500 977
1501 -/**
1502 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1503 - * For users upgrading from versions before 3.2.6
1504 - */
1505 -function mxchat_migrate_add_session_ratings_table() {
1506 - $migration_key = 'mxchat_session_ratings_table_created';
1507 - if (get_option($migration_key)) {
1508 - return;
1509 - }
1510 - mxchat_create_session_ratings_table();
1511 - update_option($migration_key, '3.2.6');
1512 -}
1513 -
1514 -/**
1515 - * Migration: Create transcript translations table (v3.0.4)
1516 - * For users upgrading from versions before 3.0.4
1517 - */
1518 -function mxchat_migrate_add_translations_table() {
1519 - $migration_key = 'mxchat_translations_table_created';
1520 -
1521 - // Check if migration already ran
1522 - if (get_option($migration_key)) {
1523 - return;
1524 - }
1525 -
1526 - // Create the translations table
1527 - mxchat_create_translations_table();
1528 -
1529 - // Mark migration as complete
1530 - update_option($migration_key, '3.0.4');
1531 -}
1532 -
1533 -/**
1534 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1535 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1536 - */
1537 -function mxchat_migrate_gemini_embedding_model() {
1538 - $options = get_option('mxchat_options', array());
1539 -
1540 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1541 - $options['embedding_model'] = 'gemini-embedding-001';
1542 - update_option('mxchat_options', $options);
1543 - }
1544 -}
1545 -
1546 978 // Register activation hook
1547 979 register_activation_hook(__FILE__, 'mxchat_activate');
1548 980
1549 981 // Add cron schedule
@@ -1555,67 +987,5 @@
1555 987 return $schedules;
1556 988 });
1557 989
1558 990 // Register deactivation hook
1559 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1560 -
1561 -/**
1562 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1563 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1564 - * session_id makes this naturally idempotent — only the first rating per
1565 - * session is stored; duplicate POSTs are silent no-ops.
1566 - */
1567 -function mxchat_save_session_rating() {
1568 - global $wpdb;
1569 -
1570 - $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : '';
1571 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1572 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1573 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1574 -
1575 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1576 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1577 - }
1578 -
1579 - if (strlen($feedback) > 1000) {
1580 - $feedback = substr($feedback, 0, 1000);
1581 - }
1582 -
1583 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1584 - $existing = $wpdb->get_var($wpdb->prepare(
1585 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1586 - $session_id
1587 - ));
1588 -
1589 - if ($existing) {
1590 - if ($feedback !== '') {
1591 - $wpdb->update(
1592 - $table_name,
1593 - array('rating_feedback' => $feedback),
1594 - array('id' => (int) $existing),
1595 - array('%s'),
1596 - array('%d')
1597 - );
1598 - }
1599 - wp_send_json_success(array('updated' => true));
1600 - }
1601 -
1602 - $inserted = $wpdb->insert(
1603 - $table_name,
1604 - array(
1605 - 'session_id' => $session_id,
1606 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1607 - 'rating_value' => $rating_raw,
1608 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1609 - 'created_at' => current_time('mysql'),
1610 - ),
1611 - array('%s', '%s', '%d', '%s', '%s')
1612 - );
1613 -
1614 - if ($inserted === false) {
1615 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1616 - }
1617 -
1618 - wp_send_json_success(array('saved' => true));
1619 -}
1620 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1621 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
991 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');