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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 +24 -501 3.2.32.6.3 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: 3.2.3
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 $domain = 'mxchat';
@@ -45,213 +38,8 @@
45 38 load_plugin_textdomain($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',
@@ -260,10 +48,10 @@
260 48 'includes/class-mxchat-utils.php',
261 49 'includes/class-mxchat-user.php',
262 50 'includes/class-mxchat-meta-box.php',
263 51 'includes/class-mxchat-chunker.php',
52 + 'includes/pdf-parser/alt_autoload.php',
264 53 'includes/class-mxchat-word-handler.php',
265 - 'includes/class-mxchat-content-generator.php',
266 54 'admin/class-ajax-handler.php',
267 55 'admin/class-pinecone-manager.php',
268 56 'admin/class-knowledge-manager.php'
269 57 );
@@ -278,24 +66,8 @@
278 66 }
279 67 }
280 68
281 69 /**
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 70 * Create URL click tracking table
299 71 */
300 72 function mxchat_create_url_clicks_table() {
301 73 global $wpdb;
@@ -563,9 +335,9 @@
563 335
564 336 // Add index for bot_id
565 337 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
566 338
567 - //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');
568 340 }
569 341
570 342 // Mark migration as complete
571 343 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -600,9 +372,9 @@
600 372
601 373 // Add index for better query performance
602 374 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
603 375
604 - //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');
605 377 }
606 378
607 379 // Mark migration as complete
608 380 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -608,54 +380,8 @@
608 380 update_option('mxchat_content_type_migration_version', '2.5.6');
609 381 }
610 382
611 383 /**
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 -/**
658 384 * 2.5.2: Create queue processing tables for reliable background processing
659 385 */
660 386 function mxchat_create_queue_tables() {
661 387 global $wpdb;
@@ -703,32 +429,8 @@
703 429 //error_log("MxChat: Queue tables created/updated successfully");
704 430 }
705 431
706 432 /**
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 -/**
731 433 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
732 434 * This fixes "url, source_url. The supplied values may be too long" errors
733 435 */
734 436 function mxchat_fix_url_column_size() {
@@ -751,80 +453,22 @@
751 453
752 454 /**
753 455 * Migrate deprecated AI models to their replacements
754 456 * 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.
757 457 */
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 - */
767 458 function mxchat_migrate_deprecated_models() {
768 459 $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) {
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';
824 465 update_option('mxchat_options', $options);
466 +
467 + // Set a flag to show admin notice
825 468 update_option('mxchat_model_migrated_notice', true);
826 - update_option('mxchat_model_migration_message', $migration_message);
469 +
470 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
827 471 }
828 472 }
829 473
830 474 /**
@@ -831,19 +475,17 @@
831 475 * Show admin notice after model migration
832 476 */
833 477 function mxchat_show_migration_notice() {
834 478 if (get_option('mxchat_model_migrated_notice')) {
835 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
836 479 ?>
837 480 <div class="notice notice-info is-dismissible">
838 481 <p>
839 482 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
840 - <?php echo esc_html($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'); ?>
841 484 </p>
842 485 </div>
843 486 <?php
844 487 delete_option('mxchat_model_migrated_notice');
845 - delete_option('mxchat_model_migration_message');
846 488 }
847 489 }
848 490
849 491 function mxchat_activate() {
@@ -864,9 +506,8 @@
864 506 embedding_vector LONGTEXT,
865 507 source_url TEXT DEFAULT NULL,
866 508 role_restriction VARCHAR(50) DEFAULT 'public',
867 509 content_type VARCHAR(50) DEFAULT 'content',
868 - embedding_model VARCHAR(64) DEFAULT NULL,
869 510 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
870 511 PRIMARY KEY (id),
871 512 KEY content_type (content_type)
872 513 ) $charset_collate;";
@@ -881,31 +522,16 @@
881 522 callback_function VARCHAR(255) NOT NULL,
882 523 similarity_threshold FLOAT DEFAULT 0.85,
883 524 enabled TINYINT(1) NOT NULL DEFAULT 1,
884 525 enabled_bots LONGTEXT DEFAULT NULL,
885 - embedding_model VARCHAR(64) DEFAULT NULL,
886 526 PRIMARY KEY (id)
887 527 ) $charset_collate;";
888 528
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 - ) $charset_collate;";
901 -
902 529 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
903 530
904 531 // Create other tables
905 532 dbDelta($sql_system_prompt);
906 533 dbDelta($sql_intents_table);
907 - dbDelta($sql_intent_phrases_table);
908 534
909 535 // Create URL click tracking table
910 536 mxchat_create_url_clicks_table();
911 537
@@ -914,11 +540,8 @@
914 540
915 541 // NEW 2.5.2: Create queue processing tables
916 542 mxchat_create_queue_tables();
917 543
918 - // Create transcript translations table
919 - mxchat_create_translations_table();
920 -
921 544 // Ensure additional columns in system prompt table
922 545 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
923 546 if (!empty($existing_system_columns)) {
924 547 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -961,11 +584,8 @@
961 584
962 585 // Run migration for existing installations
963 586 mxchat_migrate_pinecone_roles_add_bot_id();
964 587
965 - // 3.2.3: Add embedding_model column to KB and intent tables
966 - mxchat_add_embedding_model_columns();
967 -
968 588 // Setup cron jobs
969 589 mxchat_setup_cron_jobs();
970 590
971 591 // Update version
@@ -1083,14 +703,11 @@
1083 703
1084 704 // Version-specific migrations
1085 705 if ($current_version !== $plugin_version) {
1086 706 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1087 -
707 +
1088 708 // Run live agent update BEFORE updating the stored version
1089 709 mxchat_handle_live_agent_update();
1090 -
1091 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1092 - mxchat_handle_theme_migration_notice();
1093 710
1094 711 // Run role restriction migration for 2.4.1
1095 712 if (version_compare($current_version, '2.4.1', '<')) {
1096 713 mxchat_add_role_restriction_column();
@@ -1119,34 +736,8 @@
1119 736 mxchat_ensure_all_columns($chat_table);
1120 737 //error_log("MxChat: rag_context column migration for 2.6.0");
1121 738 }
1122 739
1123 - // 3.0.5: Migrate deprecated Gemini embedding model
1124 - if (version_compare($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 740 // Run full activation to ensure everything is up to date
1150 741 mxchat_activate();
1151 742
1152 743 // Run migration functions
@@ -1278,59 +869,31 @@
1278 869 function mxchat_handle_live_agent_update() {
1279 870 // Get the CURRENT stored version (before it gets updated)
1280 871 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1281 872 $new_version = '2.2.2';
1282 -
873 +
1283 874 // Only run this once for the update to 2.2.2
1284 875 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1285 -
876 +
1286 877 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1287 878 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1288 879 $options = get_option('mxchat_options', array());
1289 -
880 +
1290 881 // Check if live agent was previously enabled
1291 882 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1292 883 // Disable live agent
1293 884 $options['live_agent_status'] = 'off';
1294 885 update_option('mxchat_options', $options);
1295 -
886 +
1296 887 // Set flag to show the notification banner
1297 888 update_option('mxchat_show_live_agent_disabled_notice', true);
1298 889 }
1299 -
890 +
1300 891 // Mark this update as handled
1301 892 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1302 893 }
1303 894 }
1304 895
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 896 // Initialize plugin safely
1334 897 function mxchat_init() {
1335 898 // Include all class files first
1336 899 mxchat_include_classes();
@@ -1362,17 +925,10 @@
1362 925 // Initialize meta box class
1363 926 if (class_exists('MxChat_Meta_Box')) {
1364 927 new MxChat_Meta_Box();
1365 928 }
1366 -
1367 929 }
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 -
930 +
1375 931 // Initialize public classes
1376 932 if (class_exists('MxChat_Public')) {
1377 933 $mxchat_public = new MxChat_Public();
1378 934 }
@@ -1416,41 +972,8 @@
1416 972 $checked = true;
1417 973
1418 974 mxchat_migrate_pinecone_roles_add_bot_id();
1419 975 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 976 }
1454 977
1455 978 // Register activation hook
1456 979 register_activation_hook(__FILE__, 'mxchat_activate');