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MxChat – AI Chatbot & Content Generation for WordPress / 2.6.1
MxChat – AI Chatbot & Content Generation for WordPress v2.6.1
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 +24 -502 3.2.32.6.1 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: 3.2.3
6 + * Version: 2.6.1
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 $domain = 'mxchat';
@@ -45,213 +38,8 @@
45 38 load_plugin_textdomain($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 42 // Include classes with error handling
255 43 function mxchat_include_classes() {
256 44 $class_files = array(
257 45 'includes/class-mxchat-integrator.php',
@@ -259,11 +47,10 @@
259 47 'includes/class-mxchat-public.php',
260 48 'includes/class-mxchat-utils.php',
261 49 'includes/class-mxchat-user.php',
262 50 'includes/class-mxchat-meta-box.php',
263 - 'includes/class-mxchat-chunker.php',
51 + 'includes/pdf-parser/alt_autoload.php',
264 52 'includes/class-mxchat-word-handler.php',
265 - 'includes/class-mxchat-content-generator.php',
266 53 'admin/class-ajax-handler.php',
267 54 'admin/class-pinecone-manager.php',
268 55 'admin/class-knowledge-manager.php'
269 56 );
@@ -278,24 +65,8 @@
278 65 }
279 66 }
280 67
281 68 /**
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 69 * Create URL click tracking table
299 70 */
300 71 function mxchat_create_url_clicks_table() {
301 72 global $wpdb;
@@ -563,9 +334,9 @@
563 334
564 335 // Add index for bot_id
565 336 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
566 337
567 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
338 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
568 339 }
569 340
570 341 // Mark migration as complete
571 342 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -600,9 +371,9 @@
600 371
601 372 // Add index for better query performance
602 373 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
603 374
604 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
375 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
605 376 }
606 377
607 378 // Mark migration as complete
608 379 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -608,54 +379,8 @@
608 379 update_option('mxchat_content_type_migration_version', '2.5.6');
609 380 }
610 381
611 382 /**
612 - * 3.2.3: Add embedding_model column to KB and intent tables so we can detect
613 - * when the active embedding model is changed while content is already embedded.
614 - */
615 -function mxchat_add_embedding_model_columns() {
616 - global $wpdb;
617 -
618 - $migration_version = get_option('mxchat_embedding_model_migration_version', '0');
619 - if (version_compare($migration_version, '3.2.3', '>=')) {
620 - return;
621 - }
622 -
623 - $tables = array(
624 - $wpdb->prefix . 'mxchat_system_prompt_content',
625 - $wpdb->prefix . 'mxchat_intents',
626 - $wpdb->prefix . 'mxchat_intent_phrases',
627 - );
628 -
629 - foreach ($tables as $table) {
630 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table}'") !== $table) {
631 - continue;
632 - }
633 - $col_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table} LIKE 'embedding_model'");
634 - if (empty($col_exists)) {
635 - $wpdb->query("ALTER TABLE {$table} ADD COLUMN embedding_model VARCHAR(64) DEFAULT NULL");
636 - }
637 - }
638 -
639 - // Best-effort backfill: if any existing content lacks a stamped model, assume
640 - // it was embedded with whatever model is currently selected. This is the
641 - // safest assumption for installations upgrading to 3.2.3 — if it was wrong
642 - // already, the mismatch detection will surface it on the next switch.
643 - $options = get_option('mxchat_options', array());
644 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
645 -
646 - if (get_option('mxchat_active_embedding_model', '') === '') {
647 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
648 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
649 - if ($kb_count > 0) {
650 - update_option('mxchat_active_embedding_model', $current_model, false);
651 - }
652 - }
653 -
654 - update_option('mxchat_embedding_model_migration_version', '3.2.3');
655 -}
656 -
657 -/**
658 383 * 2.5.2: Create queue processing tables for reliable background processing
659 384 */
660 385 function mxchat_create_queue_tables() {
661 386 global $wpdb;
@@ -703,32 +428,8 @@
703 428 //error_log("MxChat: Queue tables created/updated successfully");
704 429 }
705 430
706 431 /**
707 - * Create transcript translations table for persisting translations
708 - */
709 -function mxchat_create_translations_table() {
710 - global $wpdb;
711 - $charset_collate = $wpdb->get_charset_collate();
712 -
713 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
714 - $sql = "CREATE TABLE $table_name (
715 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
716 - session_id varchar(255) NOT NULL,
717 - language_code varchar(10) NOT NULL,
718 - translations longtext NOT NULL,
719 - created_at datetime NOT NULL,
720 - updated_at datetime NOT NULL,
721 - PRIMARY KEY (id),
722 - UNIQUE KEY session_lang (session_id, language_code),
723 - KEY session_id (session_id)
724 - ) $charset_collate;";
725 -
726 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
727 - dbDelta($sql);
728 -}
729 -
730 -/**
731 432 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
732 433 * This fixes "url, source_url. The supplied values may be too long" errors
733 434 */
734 435 function mxchat_fix_url_column_size() {
@@ -751,80 +452,22 @@
751 452
752 453 /**
753 454 * Migrate deprecated AI models to their replacements
754 455 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
755 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
756 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
757 456 */
758 -function mxchat_migrate_transcripts_charset() {
759 - global $wpdb;
760 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
761 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
762 -}
763 -
764 -/**
765 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
766 - */
767 457 function mxchat_migrate_deprecated_models() {
768 458 $options = get_option('mxchat_options', array());
769 - $migrated = false;
770 - $migration_message = '';
771 -
772 - if (!isset($options['model'])) {
773 - return;
774 - }
775 -
776 - $current_model = $options['model'];
777 -
778 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
779 - $deprecated_claude_models = array(
780 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
781 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
782 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
783 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
784 - 'claude-3-sonnet-20240229', // Legacy
785 - 'claude-3-haiku-20240307', // Legacy
786 - );
787 - if (in_array($current_model, $deprecated_claude_models, true)) {
788 - $options['model'] = 'claude-opus-4-6';
789 - $migrated = true;
790 - $migration_message = sprintf(
791 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
792 - $current_model
793 - );
794 - }
795 -
796 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
797 - if ($current_model === 'claude-3-5-haiku-20241022') {
798 - $options['model'] = 'claude-haiku-4-5-20251001';
799 - $migrated = true;
800 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
801 - }
802 -
803 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
804 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
805 - $options['model'] = 'gpt-5.1-chat-latest';
806 - $migrated = true;
807 - $migration_message = sprintf(
808 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
809 - $current_model
810 - );
811 - }
812 -
813 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
814 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
815 - $options['model'] = 'gpt-5-mini';
816 - $migrated = true;
817 - $migration_message = sprintf(
818 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
819 - $current_model
820 - );
821 - }
822 -
823 - if ($migrated) {
459 +
460 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
461 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
462 + // Update to Claude 3.7 Sonnet (the replacement model)
463 + $options['model'] = 'claude-3-7-sonnet-20250219';
824 464 update_option('mxchat_options', $options);
465 +
466 + // Set a flag to show admin notice
825 467 update_option('mxchat_model_migrated_notice', true);
826 - update_option('mxchat_model_migration_message', $migration_message);
468 +
469 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
827 470 }
828 471 }
829 472
830 473 /**
@@ -831,19 +474,17 @@
831 474 * Show admin notice after model migration
832 475 */
833 476 function mxchat_show_migration_notice() {
834 477 if (get_option('mxchat_model_migrated_notice')) {
835 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
836 478 ?>
837 479 <div class="notice notice-info is-dismissible">
838 480 <p>
839 481 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
840 - <?php echo esc_html($migration_message); ?>
482 + <?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'); ?>
841 483 </p>
842 484 </div>
843 485 <?php
844 486 delete_option('mxchat_model_migrated_notice');
845 - delete_option('mxchat_model_migration_message');
846 487 }
847 488 }
848 489
849 490 function mxchat_activate() {
@@ -864,9 +505,8 @@
864 505 embedding_vector LONGTEXT,
865 506 source_url TEXT DEFAULT NULL,
866 507 role_restriction VARCHAR(50) DEFAULT 'public',
867 508 content_type VARCHAR(50) DEFAULT 'content',
868 - embedding_model VARCHAR(64) DEFAULT NULL,
869 509 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
870 510 PRIMARY KEY (id),
871 511 KEY content_type (content_type)
872 512 ) $charset_collate;";
@@ -881,31 +521,16 @@
881 521 callback_function VARCHAR(255) NOT NULL,
882 522 similarity_threshold FLOAT DEFAULT 0.85,
883 523 enabled TINYINT(1) NOT NULL DEFAULT 1,
884 524 enabled_bots LONGTEXT DEFAULT NULL,
885 - embedding_model VARCHAR(64) DEFAULT NULL,
886 525 PRIMARY KEY (id)
887 526 ) $charset_collate;";
888 527
889 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
890 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
891 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
892 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
893 - intent_id BIGINT(20) UNSIGNED NOT NULL,
894 - phrase TEXT NOT NULL,
895 - embedding_vector LONGTEXT NOT NULL,
896 - embedding_model VARCHAR(64) DEFAULT NULL,
897 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
898 - PRIMARY KEY (id),
899 - KEY intent_id (intent_id)
900 - ) $charset_collate;";
901 -
902 528 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
903 529
904 530 // Create other tables
905 531 dbDelta($sql_system_prompt);
906 532 dbDelta($sql_intents_table);
907 - dbDelta($sql_intent_phrases_table);
908 533
909 534 // Create URL click tracking table
910 535 mxchat_create_url_clicks_table();
911 536
@@ -914,11 +539,8 @@
914 539
915 540 // NEW 2.5.2: Create queue processing tables
916 541 mxchat_create_queue_tables();
917 542
918 - // Create transcript translations table
919 - mxchat_create_translations_table();
920 -
921 543 // Ensure additional columns in system prompt table
922 544 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
923 545 if (!empty($existing_system_columns)) {
924 546 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -961,11 +583,8 @@
961 583
962 584 // Run migration for existing installations
963 585 mxchat_migrate_pinecone_roles_add_bot_id();
964 586
965 - // 3.2.3: Add embedding_model column to KB and intent tables
966 - mxchat_add_embedding_model_columns();
967 -
968 587 // Setup cron jobs
969 588 mxchat_setup_cron_jobs();
970 589
971 590 // Update version
@@ -1083,14 +702,11 @@
1083 702
1084 703 // Version-specific migrations
1085 704 if ($current_version !== $plugin_version) {
1086 705 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1087 -
706 +
1088 707 // Run live agent update BEFORE updating the stored version
1089 708 mxchat_handle_live_agent_update();
1090 -
1091 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1092 - mxchat_handle_theme_migration_notice();
1093 709
1094 710 // Run role restriction migration for 2.4.1
1095 711 if (version_compare($current_version, '2.4.1', '<')) {
1096 712 mxchat_add_role_restriction_column();
@@ -1119,34 +735,8 @@
1119 735 mxchat_ensure_all_columns($chat_table);
1120 736 //error_log("MxChat: rag_context column migration for 2.6.0");
1121 737 }
1122 738
1123 - // 3.0.5: Migrate deprecated Gemini embedding model
1124 - if (version_compare($current_version, '3.0.5', '<')) {
1125 - mxchat_migrate_gemini_embedding_model();
1126 - }
1127 -
1128 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1129 - if (version_compare($current_version, '3.0.6', '<')) {
1130 - mxchat_migrate_deprecated_models();
1131 - }
1132 -
1133 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1134 - if (version_compare($current_version, '3.1.2', '<')) {
1135 - mxchat_migrate_transcripts_charset();
1136 - }
1137 -
1138 - // 3.1.7: Clean up stale shared session email/name entries
1139 - if (version_compare($current_version, '3.1.7', '<')) {
1140 - delete_option('mxchat_email_null');
1141 - delete_option('mxchat_name_null');
1142 - }
1143 -
1144 - // 3.2.3: Add embedding_model tracking columns and backfill active model
1145 - if (version_compare($current_version, '3.2.3', '<')) {
1146 - mxchat_add_embedding_model_columns();
1147 - }
1148 -
1149 739 // Run full activation to ensure everything is up to date
1150 740 mxchat_activate();
1151 741
1152 742 // Run migration functions
@@ -1278,59 +868,31 @@
1278 868 function mxchat_handle_live_agent_update() {
1279 869 // Get the CURRENT stored version (before it gets updated)
1280 870 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1281 871 $new_version = '2.2.2';
1282 -
872 +
1283 873 // Only run this once for the update to 2.2.2
1284 874 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1285 -
875 +
1286 876 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1287 877 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1288 878 $options = get_option('mxchat_options', array());
1289 -
879 +
1290 880 // Check if live agent was previously enabled
1291 881 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1292 882 // Disable live agent
1293 883 $options['live_agent_status'] = 'off';
1294 884 update_option('mxchat_options', $options);
1295 -
885 +
1296 886 // Set flag to show the notification banner
1297 887 update_option('mxchat_show_live_agent_disabled_notice', true);
1298 888 }
1299 -
889 +
1300 890 // Mark this update as handled
1301 891 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1302 892 }
1303 893 }
1304 894
1305 -/**
1306 - * Handle theme migration notice for version 3.0.1
1307 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1308 - */
1309 -function mxchat_handle_theme_migration_notice() {
1310 - // Get the CURRENT stored version (before it gets updated)
1311 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1312 - $target_version = '3.0.1';
1313 -
1314 - // Only run this once for the update to 3.0.1
1315 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1316 -
1317 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1318 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1319 - // Check if Pro is activated - only show to Pro users
1320 - $license_status = get_option('mxchat_license_status', 'inactive');
1321 - $is_pro = ($license_status === 'active');
1322 -
1323 - if ($is_pro) {
1324 - // Set flag to show the theme migration notification banner
1325 - update_option('mxchat_show_theme_migration_notice', true);
1326 - }
1327 -
1328 - // Mark this update as handled (whether Pro or not)
1329 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1330 - }
1331 -}
1332 -
1333 895 // Initialize plugin safely
1334 896 function mxchat_init() {
1335 897 // Include all class files first
1336 898 mxchat_include_classes();
@@ -1362,17 +924,10 @@
1362 924 // Initialize meta box class
1363 925 if (class_exists('MxChat_Meta_Box')) {
1364 926 new MxChat_Meta_Box();
1365 927 }
1366 -
1367 928 }
1368 -
1369 - // Initialize content generator globally — it registers wp_head hook
1370 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1371 - if (class_exists('MxChat_Content_Generator')) {
1372 - new MxChat_Content_Generator();
1373 - }
1374 -
929 +
1375 930 // Initialize public classes
1376 931 if (class_exists('MxChat_Public')) {
1377 932 $mxchat_public = new MxChat_Public();
1378 933 }
@@ -1416,41 +971,8 @@
1416 971 $checked = true;
1417 972
1418 973 mxchat_migrate_pinecone_roles_add_bot_id();
1419 974 mxchat_migrate_add_content_type_column();
1420 - mxchat_migrate_add_translations_table();
1421 -}
1422 -
1423 -/**
1424 - * Migration: Create transcript translations table (v3.0.4)
1425 - * For users upgrading from versions before 3.0.4
1426 - */
1427 -function mxchat_migrate_add_translations_table() {
1428 - $migration_key = 'mxchat_translations_table_created';
1429 -
1430 - // Check if migration already ran
1431 - if (get_option($migration_key)) {
1432 - return;
1433 - }
1434 -
1435 - // Create the translations table
1436 - mxchat_create_translations_table();
1437 -
1438 - // Mark migration as complete
1439 - update_option($migration_key, '3.0.4');
1440 -}
1441 -
1442 -/**
1443 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1444 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1445 - */
1446 -function mxchat_migrate_gemini_embedding_model() {
1447 - $options = get_option('mxchat_options', array());
1448 -
1449 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1450 - $options['embedding_model'] = 'gemini-embedding-001';
1451 - update_option('mxchat_options', $options);
1452 - }
1453 975 }
1454 976
1455 977 // Register activation hook
1456 978 register_activation_hook(__FILE__, 'mxchat_activate');