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MxChat – AI Chatbot & Content Generation for WordPress / 2.6.0
MxChat – AI Chatbot & Content Generation for WordPress v2.6.0
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 +25 -514 3.2.32.6.0 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: 2.6.0
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;
@@ -563,9 +323,9 @@
563 323
564 324 // Add index for bot_id
565 325 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
566 326
567 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
327 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
568 328 }
569 329
570 330 // Mark migration as complete
571 331 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -600,9 +360,9 @@
600 360
601 361 // Add index for better query performance
602 362 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
603 363
604 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
364 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
605 365 }
606 366
607 367 // Mark migration as complete
608 368 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -608,54 +368,8 @@
608 368 update_option('mxchat_content_type_migration_version', '2.5.6');
609 369 }
610 370
611 371 /**
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 -/**
658 372 * 2.5.2: Create queue processing tables for reliable background processing
659 373 */
660 374 function mxchat_create_queue_tables() {
661 375 global $wpdb;
@@ -703,32 +417,8 @@
703 417 //error_log("MxChat: Queue tables created/updated successfully");
704 418 }
705 419
706 420 /**
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 -/**
731 421 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
732 422 * This fixes "url, source_url. The supplied values may be too long" errors
733 423 */
734 424 function mxchat_fix_url_column_size() {
@@ -751,80 +441,22 @@
751 441
752 442 /**
753 443 * Migrate deprecated AI models to their replacements
754 444 * 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.
757 445 */
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 - */
767 446 function mxchat_migrate_deprecated_models() {
768 447 $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) {
448 +
449 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
450 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
451 + // Update to Claude 3.7 Sonnet (the replacement model)
452 + $options['model'] = 'claude-3-7-sonnet-20250219';
824 453 update_option('mxchat_options', $options);
454 +
455 + // Set a flag to show admin notice
825 456 update_option('mxchat_model_migrated_notice', true);
826 - update_option('mxchat_model_migration_message', $migration_message);
457 +
458 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
827 459 }
828 460 }
829 461
830 462 /**
@@ -831,19 +463,17 @@
831 463 * Show admin notice after model migration
832 464 */
833 465 function mxchat_show_migration_notice() {
834 466 if (get_option('mxchat_model_migrated_notice')) {
835 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
836 467 ?>
837 468 <div class="notice notice-info is-dismissible">
838 469 <p>
839 470 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
840 - <?php echo esc_html($migration_message); ?>
471 + <?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'); ?>
841 472 </p>
842 473 </div>
843 474 <?php
844 475 delete_option('mxchat_model_migrated_notice');
845 - delete_option('mxchat_model_migration_message');
846 476 }
847 477 }
848 478
849 479 function mxchat_activate() {
@@ -864,9 +494,8 @@
864 494 embedding_vector LONGTEXT,
865 495 source_url TEXT DEFAULT NULL,
866 496 role_restriction VARCHAR(50) DEFAULT 'public',
867 497 content_type VARCHAR(50) DEFAULT 'content',
868 - embedding_model VARCHAR(64) DEFAULT NULL,
869 498 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
870 499 PRIMARY KEY (id),
871 500 KEY content_type (content_type)
872 501 ) $charset_collate;";
@@ -881,31 +510,16 @@
881 510 callback_function VARCHAR(255) NOT NULL,
882 511 similarity_threshold FLOAT DEFAULT 0.85,
883 512 enabled TINYINT(1) NOT NULL DEFAULT 1,
884 513 enabled_bots LONGTEXT DEFAULT NULL,
885 - embedding_model VARCHAR(64) DEFAULT NULL,
886 514 PRIMARY KEY (id)
887 515 ) $charset_collate;";
888 516
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 - ) $charset_collate;";
901 -
902 517 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
903 518
904 519 // Create other tables
905 520 dbDelta($sql_system_prompt);
906 521 dbDelta($sql_intents_table);
907 - dbDelta($sql_intent_phrases_table);
908 522
909 523 // Create URL click tracking table
910 524 mxchat_create_url_clicks_table();
911 525
@@ -914,11 +528,8 @@
914 528
915 529 // NEW 2.5.2: Create queue processing tables
916 530 mxchat_create_queue_tables();
917 531
918 - // Create transcript translations table
919 - mxchat_create_translations_table();
920 -
921 532 // Ensure additional columns in system prompt table
922 533 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
923 534 if (!empty($existing_system_columns)) {
924 535 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -961,11 +572,8 @@
961 572
962 573 // Run migration for existing installations
963 574 mxchat_migrate_pinecone_roles_add_bot_id();
964 575
965 - // 3.2.3: Add embedding_model column to KB and intent tables
966 - mxchat_add_embedding_model_columns();
967 -
968 576 // Setup cron jobs
969 577 mxchat_setup_cron_jobs();
970 578
971 579 // Update version
@@ -1083,14 +691,11 @@
1083 691
1084 692 // Version-specific migrations
1085 693 if ($current_version !== $plugin_version) {
1086 694 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1087 -
695 +
1088 696 // Run live agent update BEFORE updating the stored version
1089 697 mxchat_handle_live_agent_update();
1090 -
1091 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1092 - mxchat_handle_theme_migration_notice();
1093 698
1094 699 // Run role restriction migration for 2.4.1
1095 700 if (version_compare($current_version, '2.4.1', '<')) {
1096 701 mxchat_add_role_restriction_column();
@@ -1119,34 +724,8 @@
1119 724 mxchat_ensure_all_columns($chat_table);
1120 725 //error_log("MxChat: rag_context column migration for 2.6.0");
1121 726 }
1122 727
1123 - // 3.0.5: Migrate deprecated Gemini embedding model
1124 - if (version_compare($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 728 // Run full activation to ensure everything is up to date
1150 729 mxchat_activate();
1151 730
1152 731 // Run migration functions
@@ -1278,59 +857,31 @@
1278 857 function mxchat_handle_live_agent_update() {
1279 858 // Get the CURRENT stored version (before it gets updated)
1280 859 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1281 860 $new_version = '2.2.2';
1282 -
861 +
1283 862 // Only run this once for the update to 2.2.2
1284 863 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1285 -
864 +
1286 865 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1287 866 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1288 867 $options = get_option('mxchat_options', array());
1289 -
868 +
1290 869 // Check if live agent was previously enabled
1291 870 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1292 871 // Disable live agent
1293 872 $options['live_agent_status'] = 'off';
1294 873 update_option('mxchat_options', $options);
1295 -
874 +
1296 875 // Set flag to show the notification banner
1297 876 update_option('mxchat_show_live_agent_disabled_notice', true);
1298 877 }
1299 -
878 +
1300 879 // Mark this update as handled
1301 880 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1302 881 }
1303 882 }
1304 883
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 884 // Initialize plugin safely
1334 885 function mxchat_init() {
1335 886 // Include all class files first
1336 887 mxchat_include_classes();
@@ -1362,17 +913,10 @@
1362 913 // Initialize meta box class
1363 914 if (class_exists('MxChat_Meta_Box')) {
1364 915 new MxChat_Meta_Box();
1365 916 }
1366 -
1367 917 }
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 -
918 +
1375 919 // Initialize public classes
1376 920 if (class_exists('MxChat_Public')) {
1377 921 $mxchat_public = new MxChat_Public();
1378 922 }
@@ -1416,41 +960,8 @@
1416 960 $checked = true;
1417 961
1418 962 mxchat_migrate_pinecone_roles_add_bot_id();
1419 963 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 964 }
1454 965
1455 966 // Register activation hook
1456 967 register_activation_hook(__FILE__, 'mxchat_activate');