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MxChat – AI Chatbot & Content Generation for WordPress / 2.6.2
MxChat – AI Chatbot & Content Generation for WordPress v2.6.2
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 +27 -500 3.2.5 → 2.6.2 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: 3.2.5
6 + * Version: 2.6.2
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',
@@ -259,12 +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 - 'includes/class-rest-api.php',
267 53 'admin/class-ajax-handler.php',
268 54 'admin/class-pinecone-manager.php',
269 55 'admin/class-knowledge-manager.php'
270 56 );
@@ -276,35 +62,11 @@
276 62 } else {
277 63 //error_log('MxChat: Missing class file - ' . $file);
278 64 }
279 65 }
280 -
281 - // Admin pages that aren't classes (procedural include).
282 - if (is_admin()) {
283 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
284 - if (file_exists($admin_api_page)) {
285 - require_once $admin_api_page;
286 - }
287 - }
288 66 }
289 67
290 68 /**
291 - * Lazy-load the PDF parser library only when needed.
292 - * Avoids loading 44 files on every page request.
293 - */
294 -function mxchat_load_pdf_parser() {
295 - if (class_exists('\Smalot\PdfParser\Parser')) {
296 - return true;
297 - }
298 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
299 - if (file_exists($autoload_path)) {
300 - require_once $autoload_path;
301 - return true;
302 - }
303 - return false;
304 -}
305 -
306 -/**
307 69 * Create URL click tracking table
308 70 */
309 71 function mxchat_create_url_clicks_table() {
310 72 global $wpdb;
@@ -572,9 +334,9 @@
572 334
573 335 // Add index for bot_id
574 336 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
575 337
576 - //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');
577 339 }
578 340
579 341 // Mark migration as complete
580 342 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -609,9 +371,9 @@
609 371
610 372 // Add index for better query performance
611 373 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
612 374
613 - //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');
614 376 }
615 377
616 378 // Mark migration as complete
617 379 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -617,33 +379,8 @@
617 379 update_option('mxchat_content_type_migration_version', '2.5.6');
618 380 }
619 381
620 382 /**
621 - * 3.2.4: Backfill the active embedding model option for installs that already
622 - * have KB content but no stamped model. The mismatch warning compares this
623 - * against the user's currently selected model — no per-row column needed.
624 - */
625 -function mxchat_backfill_active_embedding_model() {
626 - global $wpdb;
627 -
628 - if (get_option('mxchat_active_embedding_model', '') !== '') {
629 - return;
630 - }
631 -
632 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
633 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
634 - return;
635 - }
636 -
637 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
638 - if ($kb_count > 0) {
639 - $options = get_option('mxchat_options', array());
640 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
641 - update_option('mxchat_active_embedding_model', $current_model, false);
642 - }
643 -}
644 -
645 -/**
646 383 * 2.5.2: Create queue processing tables for reliable background processing
647 384 */
648 385 function mxchat_create_queue_tables() {
649 386 global $wpdb;
@@ -691,32 +428,8 @@
691 428 //error_log("MxChat: Queue tables created/updated successfully");
692 429 }
693 430
694 431 /**
695 - * Create transcript translations table for persisting translations
696 - */
697 -function mxchat_create_translations_table() {
698 - global $wpdb;
699 - $charset_collate = $wpdb->get_charset_collate();
700 -
701 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
702 - $sql = "CREATE TABLE $table_name (
703 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
704 - session_id varchar(255) NOT NULL,
705 - language_code varchar(10) NOT NULL,
706 - translations longtext NOT NULL,
707 - created_at datetime NOT NULL,
708 - updated_at datetime NOT NULL,
709 - PRIMARY KEY (id),
710 - UNIQUE KEY session_lang (session_id, language_code),
711 - KEY session_id (session_id)
712 - ) $charset_collate;";
713 -
714 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
715 - dbDelta($sql);
716 -}
717 -
718 -/**
719 432 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
720 433 * This fixes "url, source_url. The supplied values may be too long" errors
721 434 */
722 435 function mxchat_fix_url_column_size() {
@@ -739,80 +452,22 @@
739 452
740 453 /**
741 454 * Migrate deprecated AI models to their replacements
742 455 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
743 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
744 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
745 456 */
746 -function mxchat_migrate_transcripts_charset() {
747 - global $wpdb;
748 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
749 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
750 -}
751 -
752 -/**
753 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
754 - */
755 457 function mxchat_migrate_deprecated_models() {
756 458 $options = get_option('mxchat_options', array());
757 - $migrated = false;
758 - $migration_message = '';
759 -
760 - if (!isset($options['model'])) {
761 - return;
762 - }
763 -
764 - $current_model = $options['model'];
765 -
766 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
767 - $deprecated_claude_models = array(
768 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
769 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
770 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
771 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
772 - 'claude-3-sonnet-20240229', // Legacy
773 - 'claude-3-haiku-20240307', // Legacy
774 - );
775 - if (in_array($current_model, $deprecated_claude_models, true)) {
776 - $options['model'] = 'claude-opus-4-6';
777 - $migrated = true;
778 - $migration_message = sprintf(
779 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
780 - $current_model
781 - );
782 - }
783 -
784 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
785 - if ($current_model === 'claude-3-5-haiku-20241022') {
786 - $options['model'] = 'claude-haiku-4-5-20251001';
787 - $migrated = true;
788 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
789 - }
790 -
791 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
792 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
793 - $options['model'] = 'gpt-5.1-chat-latest';
794 - $migrated = true;
795 - $migration_message = sprintf(
796 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
797 - $current_model
798 - );
799 - }
800 -
801 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
802 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
803 - $options['model'] = 'gpt-5-mini';
804 - $migrated = true;
805 - $migration_message = sprintf(
806 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
807 - $current_model
808 - );
809 - }
810 -
811 - if ($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';
812 464 update_option('mxchat_options', $options);
465 +
466 + // Set a flag to show admin notice
813 467 update_option('mxchat_model_migrated_notice', true);
814 - update_option('mxchat_model_migration_message', $migration_message);
468 +
469 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
815 470 }
816 471 }
817 472
818 473 /**
@@ -819,19 +474,17 @@
819 474 * Show admin notice after model migration
820 475 */
821 476 function mxchat_show_migration_notice() {
822 477 if (get_option('mxchat_model_migrated_notice')) {
823 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
824 478 ?>
825 479 <div class="notice notice-info is-dismissible">
826 480 <p>
827 481 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
828 - <?php echo esc_html($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'); ?>
829 483 </p>
830 484 </div>
831 485 <?php
832 486 delete_option('mxchat_model_migrated_notice');
833 - delete_option('mxchat_model_migration_message');
834 487 }
835 488 }
836 489
837 490 function mxchat_activate() {
@@ -871,26 +524,13 @@
871 524 enabled_bots LONGTEXT DEFAULT NULL,
872 525 PRIMARY KEY (id)
873 526 ) $charset_collate;";
874 527
875 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
876 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
877 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
878 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
879 - intent_id BIGINT(20) UNSIGNED NOT NULL,
880 - phrase TEXT NOT NULL,
881 - embedding_vector LONGTEXT NOT NULL,
882 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
883 - PRIMARY KEY (id),
884 - KEY intent_id (intent_id)
885 - ) $charset_collate;";
886 -
887 528 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
888 529
889 530 // Create other tables
890 531 dbDelta($sql_system_prompt);
891 532 dbDelta($sql_intents_table);
892 - dbDelta($sql_intent_phrases_table);
893 533
894 534 // Create URL click tracking table
895 535 mxchat_create_url_clicks_table();
896 536
@@ -899,11 +539,8 @@
899 539
900 540 // NEW 2.5.2: Create queue processing tables
901 541 mxchat_create_queue_tables();
902 542
903 - // Create transcript translations table
904 - mxchat_create_translations_table();
905 -
906 543 // Ensure additional columns in system prompt table
907 544 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
908 545 if (!empty($existing_system_columns)) {
909 546 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -946,11 +583,8 @@
946 583
947 584 // Run migration for existing installations
948 585 mxchat_migrate_pinecone_roles_add_bot_id();
949 586
950 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
951 - mxchat_backfill_active_embedding_model();
952 -
953 587 // Setup cron jobs
954 588 mxchat_setup_cron_jobs();
955 589
956 590 // Update version
@@ -985,14 +619,13 @@
985 619 // Clear fallback flags if cron scheduling succeeded
986 620 delete_option('mxchat_use_fallback_rate_limits');
987 621 }
988 622
989 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
623 + // Schedule transcript cleanup if configured
990 624 $transcript_options = get_option('mxchat_transcripts_options', array());
991 625 $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
992 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
993 -
994 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
626 +
627 + if ($cleanup_interval !== 'never') {
995 628 // Check if not already scheduled
996 629 if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
997 630 // Schedule to run daily at 3 AM
998 631 $next_run = strtotime('tomorrow 3:00 AM');
@@ -1069,14 +702,11 @@
1069 702
1070 703 // Version-specific migrations
1071 704 if ($current_version !== $plugin_version) {
1072 705 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1073 -
706 +
1074 707 // Run live agent update BEFORE updating the stored version
1075 708 mxchat_handle_live_agent_update();
1076 -
1077 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1078 - mxchat_handle_theme_migration_notice();
1079 709
1080 710 // Run role restriction migration for 2.4.1
1081 711 if (version_compare($current_version, '2.4.1', '<')) {
1082 712 mxchat_add_role_restriction_column();
@@ -1105,35 +735,8 @@
1105 735 mxchat_ensure_all_columns($chat_table);
1106 736 //error_log("MxChat: rag_context column migration for 2.6.0");
1107 737 }
1108 738
1109 - // 3.0.5: Migrate deprecated Gemini embedding model
1110 - if (version_compare($current_version, '3.0.5', '<')) {
1111 - mxchat_migrate_gemini_embedding_model();
1112 - }
1113 -
1114 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1115 - if (version_compare($current_version, '3.0.6', '<')) {
1116 - mxchat_migrate_deprecated_models();
1117 - }
1118 -
1119 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1120 - if (version_compare($current_version, '3.1.2', '<')) {
1121 - mxchat_migrate_transcripts_charset();
1122 - }
1123 -
1124 - // 3.1.7: Clean up stale shared session email/name entries
1125 - if (version_compare($current_version, '3.1.7', '<')) {
1126 - delete_option('mxchat_email_null');
1127 - delete_option('mxchat_name_null');
1128 - }
1129 -
1130 - // 3.2.4: Backfill active embedding model option for the warning UI
1131 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1132 - if (version_compare($current_version, '3.2.4', '<')) {
1133 - mxchat_backfill_active_embedding_model();
1134 - }
1135 -
1136 739 // Run full activation to ensure everything is up to date
1137 740 mxchat_activate();
1138 741
1139 742 // Run migration functions
@@ -1265,59 +868,31 @@
1265 868 function mxchat_handle_live_agent_update() {
1266 869 // Get the CURRENT stored version (before it gets updated)
1267 870 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1268 871 $new_version = '2.2.2';
1269 -
872 +
1270 873 // Only run this once for the update to 2.2.2
1271 874 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1272 -
875 +
1273 876 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1274 877 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1275 878 $options = get_option('mxchat_options', array());
1276 -
879 +
1277 880 // Check if live agent was previously enabled
1278 881 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1279 882 // Disable live agent
1280 883 $options['live_agent_status'] = 'off';
1281 884 update_option('mxchat_options', $options);
1282 -
885 +
1283 886 // Set flag to show the notification banner
1284 887 update_option('mxchat_show_live_agent_disabled_notice', true);
1285 888 }
1286 -
889 +
1287 890 // Mark this update as handled
1288 891 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1289 892 }
1290 893 }
1291 894
1292 -/**
1293 - * Handle theme migration notice for version 3.0.1
1294 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1295 - */
1296 -function mxchat_handle_theme_migration_notice() {
1297 - // Get the CURRENT stored version (before it gets updated)
1298 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1299 - $target_version = '3.0.1';
1300 -
1301 - // Only run this once for the update to 3.0.1
1302 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1303 -
1304 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1305 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1306 - // Check if Pro is activated - only show to Pro users
1307 - $license_status = get_option('mxchat_license_status', 'inactive');
1308 - $is_pro = ($license_status === 'active');
1309 -
1310 - if ($is_pro) {
1311 - // Set flag to show the theme migration notification banner
1312 - update_option('mxchat_show_theme_migration_notice', true);
1313 - }
1314 -
1315 - // Mark this update as handled (whether Pro or not)
1316 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1317 - }
1318 -}
1319 -
1320 895 // Initialize plugin safely
1321 896 function mxchat_init() {
1322 897 // Include all class files first
1323 898 mxchat_include_classes();
@@ -1349,25 +924,10 @@
1349 924 // Initialize meta box class
1350 925 if (class_exists('MxChat_Meta_Box')) {
1351 926 new MxChat_Meta_Box();
1352 927 }
1353 -
1354 928 }
1355 -
1356 - // Initialize content generator globally — it registers wp_head hook
1357 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1358 - if (class_exists('MxChat_Content_Generator')) {
1359 - new MxChat_Content_Generator();
1360 - }
1361 -
1362 - // Initialize REST API globally — endpoints must be registered on
1363 - // every request (admin and frontend) so they're reachable via /wp-json/.
1364 - // Endpoints are auth-gated and locked until the site owner generates
1365 - // a token in MxChat → API Access.
1366 - if (class_exists('MxChat_Rest_Api')) {
1367 - new MxChat_Rest_Api();
1368 - }
1369 -
929 +
1370 930 // Initialize public classes
1371 931 if (class_exists('MxChat_Public')) {
1372 932 $mxchat_public = new MxChat_Public();
1373 933 }
@@ -1411,41 +971,8 @@
1411 971 $checked = true;
1412 972
1413 973 mxchat_migrate_pinecone_roles_add_bot_id();
1414 974 mxchat_migrate_add_content_type_column();
1415 - mxchat_migrate_add_translations_table();
1416 -}
1417 -
1418 -/**
1419 - * Migration: Create transcript translations table (v3.0.4)
1420 - * For users upgrading from versions before 3.0.4
1421 - */
1422 -function mxchat_migrate_add_translations_table() {
1423 - $migration_key = 'mxchat_translations_table_created';
1424 -
1425 - // Check if migration already ran
1426 - if (get_option($migration_key)) {
1427 - return;
1428 - }
1429 -
1430 - // Create the translations table
1431 - mxchat_create_translations_table();
1432 -
1433 - // Mark migration as complete
1434 - update_option($migration_key, '3.0.4');
1435 -}
1436 -
1437 -/**
1438 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1439 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1440 - */
1441 -function mxchat_migrate_gemini_embedding_model() {
1442 - $options = get_option('mxchat_options', array());
1443 -
1444 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1445 - $options['embedding_model'] = 'gemini-embedding-001';
1446 - update_option('mxchat_options', $options);
1447 - }
1448 975 }
1449 976
1450 977 // Register activation hook
1451 978 register_activation_hook(__FILE__, 'mxchat_activate');