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MxChat – AI Chatbot & Content Generation for WordPress / 2.5.7
MxChat – AI Chatbot & Content Generation for WordPress v2.5.7
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 -503 3.2.4 → 2.5.7 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: 3.2.4
6 + * Version: 2.5.7
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
@@ -15,243 +15,20 @@
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 - $domain = 'mxchat';
35 - $locale = determine_locale();
36 -
37 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
38 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
39 - if (file_exists($mo_file)) {
40 - load_textdomain($domain, $mo_file);
41 - return;
42 - }
43 -
44 - // Fallback to plugin's /languages directory
45 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
27 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
46 28 }
47 29 add_action('init', 'mxchat_load_textdomain');
48 30
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 31 // Include classes with error handling
255 32 function mxchat_include_classes() {
256 33 $class_files = array(
257 34 'includes/class-mxchat-integrator.php',
@@ -259,11 +36,10 @@
259 36 'includes/class-mxchat-public.php',
260 37 'includes/class-mxchat-utils.php',
261 38 'includes/class-mxchat-user.php',
262 39 'includes/class-mxchat-meta-box.php',
263 - 'includes/class-mxchat-chunker.php',
40 + 'includes/pdf-parser/alt_autoload.php',
264 41 'includes/class-mxchat-word-handler.php',
265 - 'includes/class-mxchat-content-generator.php',
266 42 'admin/class-ajax-handler.php',
267 43 'admin/class-pinecone-manager.php',
268 44 'admin/class-knowledge-manager.php'
269 45 );
@@ -278,24 +54,8 @@
278 54 }
279 55 }
280 56
281 57 /**
282 - * Lazy-load the PDF parser library only when needed.
283 - * Avoids loading 44 files on every page request.
284 - */
285 -function mxchat_load_pdf_parser() {
286 - if (class_exists('\Smalot\PdfParser\Parser')) {
287 - return true;
288 - }
289 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
290 - if (file_exists($autoload_path)) {
291 - require_once $autoload_path;
292 - return true;
293 - }
294 - return false;
295 -}
296 -
297 -/**
298 58 * Create URL click tracking table
299 59 */
300 60 function mxchat_create_url_clicks_table() {
301 61 global $wpdb;
@@ -378,13 +138,12 @@
378 138
379 139 // Define all required columns and their types
380 140 $required_columns = [
381 141 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
382 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
142 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
383 143 'user_name' => 'VARCHAR(100) DEFAULT NULL',
384 144 'originating_page_url' => 'TEXT DEFAULT NULL',
385 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
386 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
145 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
387 146 ];
388 147
389 148 // Get existing columns
390 149 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -563,9 +322,9 @@
563 322
564 323 // Add index for bot_id
565 324 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
566 325
567 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
326 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
568 327 }
569 328
570 329 // Mark migration as complete
571 330 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -600,9 +359,9 @@
600 359
601 360 // Add index for better query performance
602 361 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
603 362
604 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
363 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
605 364 }
606 365
607 366 // Mark migration as complete
608 367 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -608,33 +367,8 @@
608 367 update_option('mxchat_content_type_migration_version', '2.5.6');
609 368 }
610 369
611 370 /**
612 - * 3.2.4: Backfill the active embedding model option for installs that already
613 - * have KB content but no stamped model. The mismatch warning compares this
614 - * against the user's currently selected model — no per-row column needed.
615 - */
616 -function mxchat_backfill_active_embedding_model() {
617 - global $wpdb;
618 -
619 - if (get_option('mxchat_active_embedding_model', '') !== '') {
620 - return;
621 - }
622 -
623 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
624 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
625 - return;
626 - }
627 -
628 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
629 - if ($kb_count > 0) {
630 - $options = get_option('mxchat_options', array());
631 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
632 - update_option('mxchat_active_embedding_model', $current_model, false);
633 - }
634 -}
635 -
636 -/**
637 371 * 2.5.2: Create queue processing tables for reliable background processing
638 372 */
639 373 function mxchat_create_queue_tables() {
640 374 global $wpdb;
@@ -682,32 +416,8 @@
682 416 //error_log("MxChat: Queue tables created/updated successfully");
683 417 }
684 418
685 419 /**
686 - * Create transcript translations table for persisting translations
687 - */
688 -function mxchat_create_translations_table() {
689 - global $wpdb;
690 - $charset_collate = $wpdb->get_charset_collate();
691 -
692 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
693 - $sql = "CREATE TABLE $table_name (
694 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
695 - session_id varchar(255) NOT NULL,
696 - language_code varchar(10) NOT NULL,
697 - translations longtext NOT NULL,
698 - created_at datetime NOT NULL,
699 - updated_at datetime NOT NULL,
700 - PRIMARY KEY (id),
701 - UNIQUE KEY session_lang (session_id, language_code),
702 - KEY session_id (session_id)
703 - ) $charset_collate;";
704 -
705 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
706 - dbDelta($sql);
707 -}
708 -
709 -/**
710 420 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
711 421 * This fixes "url, source_url. The supplied values may be too long" errors
712 422 */
713 423 function mxchat_fix_url_column_size() {
@@ -730,80 +440,22 @@
730 440
731 441 /**
732 442 * Migrate deprecated AI models to their replacements
733 443 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
734 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
735 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
736 444 */
737 -function mxchat_migrate_transcripts_charset() {
738 - global $wpdb;
739 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
740 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
741 -}
742 -
743 -/**
744 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
745 - */
746 445 function mxchat_migrate_deprecated_models() {
747 446 $options = get_option('mxchat_options', array());
748 - $migrated = false;
749 - $migration_message = '';
750 -
751 - if (!isset($options['model'])) {
752 - return;
753 - }
754 -
755 - $current_model = $options['model'];
756 -
757 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
758 - $deprecated_claude_models = array(
759 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
760 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
761 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
762 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
763 - 'claude-3-sonnet-20240229', // Legacy
764 - 'claude-3-haiku-20240307', // Legacy
765 - );
766 - if (in_array($current_model, $deprecated_claude_models, true)) {
767 - $options['model'] = 'claude-opus-4-6';
768 - $migrated = true;
769 - $migration_message = sprintf(
770 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
771 - $current_model
772 - );
773 - }
774 -
775 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
776 - if ($current_model === 'claude-3-5-haiku-20241022') {
777 - $options['model'] = 'claude-haiku-4-5-20251001';
778 - $migrated = true;
779 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
780 - }
781 -
782 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
783 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
784 - $options['model'] = 'gpt-5.1-chat-latest';
785 - $migrated = true;
786 - $migration_message = sprintf(
787 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
788 - $current_model
789 - );
790 - }
791 -
792 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
793 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
794 - $options['model'] = 'gpt-5-mini';
795 - $migrated = true;
796 - $migration_message = sprintf(
797 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
798 - $current_model
799 - );
800 - }
801 -
802 - if ($migrated) {
447 +
448 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
449 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
450 + // Update to Claude 3.7 Sonnet (the replacement model)
451 + $options['model'] = 'claude-3-7-sonnet-20250219';
803 452 update_option('mxchat_options', $options);
453 +
454 + // Set a flag to show admin notice
804 455 update_option('mxchat_model_migrated_notice', true);
805 - update_option('mxchat_model_migration_message', $migration_message);
456 +
457 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
806 458 }
807 459 }
808 460
809 461 /**
@@ -810,19 +462,17 @@
810 462 * Show admin notice after model migration
811 463 */
812 464 function mxchat_show_migration_notice() {
813 465 if (get_option('mxchat_model_migrated_notice')) {
814 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
815 466 ?>
816 467 <div class="notice notice-info is-dismissible">
817 468 <p>
818 469 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
819 - <?php echo esc_html($migration_message); ?>
470 + <?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'); ?>
820 471 </p>
821 472 </div>
822 473 <?php
823 474 delete_option('mxchat_model_migrated_notice');
824 - delete_option('mxchat_model_migration_message');
825 475 }
826 476 }
827 477
828 478 function mxchat_activate() {
@@ -862,26 +512,13 @@
862 512 enabled_bots LONGTEXT DEFAULT NULL,
863 513 PRIMARY KEY (id)
864 514 ) $charset_collate;";
865 515
866 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
867 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
868 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
869 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
870 - intent_id BIGINT(20) UNSIGNED NOT NULL,
871 - phrase TEXT NOT NULL,
872 - embedding_vector LONGTEXT NOT NULL,
873 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
874 - PRIMARY KEY (id),
875 - KEY intent_id (intent_id)
876 - ) $charset_collate;";
877 -
878 516 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
879 517
880 518 // Create other tables
881 519 dbDelta($sql_system_prompt);
882 520 dbDelta($sql_intents_table);
883 - dbDelta($sql_intent_phrases_table);
884 521
885 522 // Create URL click tracking table
886 523 mxchat_create_url_clicks_table();
887 524
@@ -890,11 +527,8 @@
890 527
891 528 // NEW 2.5.2: Create queue processing tables
892 529 mxchat_create_queue_tables();
893 530
894 - // Create transcript translations table
895 - mxchat_create_translations_table();
896 -
897 531 // Ensure additional columns in system prompt table
898 532 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
899 533 if (!empty($existing_system_columns)) {
900 534 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -937,11 +571,8 @@
937 571
938 572 // Run migration for existing installations
939 573 mxchat_migrate_pinecone_roles_add_bot_id();
940 574
941 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
942 - mxchat_backfill_active_embedding_model();
943 -
944 575 // Setup cron jobs
945 576 mxchat_setup_cron_jobs();
946 577
947 578 // Update version
@@ -997,9 +628,8 @@
997 628 function mxchat_deactivate() {
998 629 // Clear scheduled cron jobs
999 630 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1000 631 wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1001 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1002 632
1003 633 // Clear fallback options
1004 634 delete_option('mxchat_use_fallback_rate_limits');
1005 635 delete_option('mxchat_next_rate_limit_check');
@@ -1059,14 +689,11 @@
1059 689
1060 690 // Version-specific migrations
1061 691 if ($current_version !== $plugin_version) {
1062 692 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1063 -
693 +
1064 694 // Run live agent update BEFORE updating the stored version
1065 695 mxchat_handle_live_agent_update();
1066 -
1067 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1068 - mxchat_handle_theme_migration_notice();
1069 696
1070 697 // Run role restriction migration for 2.4.1
1071 698 if (version_compare($current_version, '2.4.1', '<')) {
1072 699 mxchat_add_role_restriction_column();
@@ -1087,43 +714,9 @@
1087 714 mxchat_create_queue_tables();
1088 715 mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1089 716 //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1090 717 }
1091 -
1092 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1093 - if (version_compare($current_version, '2.6.0', '<')) {
1094 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1095 - mxchat_ensure_all_columns($chat_table);
1096 - //error_log("MxChat: rag_context column migration for 2.6.0");
1097 - }
1098 -
1099 - // 3.0.5: Migrate deprecated Gemini embedding model
1100 - if (version_compare($current_version, '3.0.5', '<')) {
1101 - mxchat_migrate_gemini_embedding_model();
1102 - }
1103 -
1104 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1105 - if (version_compare($current_version, '3.0.6', '<')) {
1106 - mxchat_migrate_deprecated_models();
1107 - }
1108 -
1109 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1110 - if (version_compare($current_version, '3.1.2', '<')) {
1111 - mxchat_migrate_transcripts_charset();
1112 - }
1113 -
1114 - // 3.1.7: Clean up stale shared session email/name entries
1115 - if (version_compare($current_version, '3.1.7', '<')) {
1116 - delete_option('mxchat_email_null');
1117 - delete_option('mxchat_name_null');
1118 - }
1119 -
1120 - // 3.2.4: Backfill active embedding model option for the warning UI
1121 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1122 - if (version_compare($current_version, '3.2.4', '<')) {
1123 - mxchat_backfill_active_embedding_model();
1124 - }
1125 -
718 +
1126 719 // Run full activation to ensure everything is up to date
1127 720 mxchat_activate();
1128 721
1129 722 // Run migration functions
@@ -1255,59 +848,31 @@
1255 848 function mxchat_handle_live_agent_update() {
1256 849 // Get the CURRENT stored version (before it gets updated)
1257 850 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1258 851 $new_version = '2.2.2';
1259 -
852 +
1260 853 // Only run this once for the update to 2.2.2
1261 854 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1262 -
855 +
1263 856 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1264 857 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1265 858 $options = get_option('mxchat_options', array());
1266 -
859 +
1267 860 // Check if live agent was previously enabled
1268 861 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1269 862 // Disable live agent
1270 863 $options['live_agent_status'] = 'off';
1271 864 update_option('mxchat_options', $options);
1272 -
865 +
1273 866 // Set flag to show the notification banner
1274 867 update_option('mxchat_show_live_agent_disabled_notice', true);
1275 868 }
1276 -
869 +
1277 870 // Mark this update as handled
1278 871 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1279 872 }
1280 873 }
1281 874
1282 -/**
1283 - * Handle theme migration notice for version 3.0.1
1284 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1285 - */
1286 -function mxchat_handle_theme_migration_notice() {
1287 - // Get the CURRENT stored version (before it gets updated)
1288 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1289 - $target_version = '3.0.1';
1290 -
1291 - // Only run this once for the update to 3.0.1
1292 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1293 -
1294 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1295 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1296 - // Check if Pro is activated - only show to Pro users
1297 - $license_status = get_option('mxchat_license_status', 'inactive');
1298 - $is_pro = ($license_status === 'active');
1299 -
1300 - if ($is_pro) {
1301 - // Set flag to show the theme migration notification banner
1302 - update_option('mxchat_show_theme_migration_notice', true);
1303 - }
1304 -
1305 - // Mark this update as handled (whether Pro or not)
1306 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1307 - }
1308 -}
1309 -
1310 875 // Initialize plugin safely
1311 876 function mxchat_init() {
1312 877 // Include all class files first
1313 878 mxchat_include_classes();
@@ -1339,17 +904,10 @@
1339 904 // Initialize meta box class
1340 905 if (class_exists('MxChat_Meta_Box')) {
1341 906 new MxChat_Meta_Box();
1342 907 }
1343 -
1344 908 }
1345 -
1346 - // Initialize content generator globally — it registers wp_head hook
1347 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1348 - if (class_exists('MxChat_Content_Generator')) {
1349 - new MxChat_Content_Generator();
1350 - }
1351 -
909 +
1352 910 // Initialize public classes
1353 911 if (class_exists('MxChat_Public')) {
1354 912 $mxchat_public = new MxChat_Public();
1355 913 }
@@ -1393,41 +951,8 @@
1393 951 $checked = true;
1394 952
1395 953 mxchat_migrate_pinecone_roles_add_bot_id();
1396 954 mxchat_migrate_add_content_type_column();
1397 - mxchat_migrate_add_translations_table();
1398 -}
1399 -
1400 -/**
1401 - * Migration: Create transcript translations table (v3.0.4)
1402 - * For users upgrading from versions before 3.0.4
1403 - */
1404 -function mxchat_migrate_add_translations_table() {
1405 - $migration_key = 'mxchat_translations_table_created';
1406 -
1407 - // Check if migration already ran
1408 - if (get_option($migration_key)) {
1409 - return;
1410 - }
1411 -
1412 - // Create the translations table
1413 - mxchat_create_translations_table();
1414 -
1415 - // Mark migration as complete
1416 - update_option($migration_key, '3.0.4');
1417 -}
1418 -
1419 -/**
1420 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1421 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1422 - */
1423 -function mxchat_migrate_gemini_embedding_model() {
1424 - $options = get_option('mxchat_options', array());
1425 -
1426 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1427 - $options['embedding_model'] = 'gemini-embedding-001';
1428 - update_option('mxchat_options', $options);
1429 - }
1430 955 }
1431 956
1432 957 // Register activation hook
1433 958 register_activation_hook(__FILE__, 'mxchat_activate');