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MxChat – AI Chatbot & Content Generation for WordPress / 2.5.4
MxChat – AI Chatbot & Content Generation for WordPress v2.5.4
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 +34 -645 3.2.5 → 2.5.4 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: 2.5.4
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',
@@ -259,12 +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 - 'includes/class-rest-api.php',
267 42 'admin/class-ajax-handler.php',
268 43 'admin/class-pinecone-manager.php',
269 44 'admin/class-knowledge-manager.php'
270 45 );
@@ -276,35 +51,11 @@
276 51 } else {
277 52 //error_log('MxChat: Missing class file - ' . $file);
278 53 }
279 54 }
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 55 }
289 56
290 57 /**
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 58 * Create URL click tracking table
308 59 */
309 60 function mxchat_create_url_clicks_table() {
310 61 global $wpdb;
@@ -387,13 +138,12 @@
387 138
388 139 // Define all required columns and their types
389 140 $required_columns = [
390 141 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
391 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
142 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
392 143 'user_name' => 'VARCHAR(100) DEFAULT NULL',
393 144 'originating_page_url' => 'TEXT DEFAULT NULL',
394 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
395 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
145 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
396 146 ];
397 147
398 148 // Get existing columns
399 149 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -513,137 +263,32 @@
513 263 }
514 264 }
515 265
516 266 /**
517 - * Create Pinecone role restrictions table with multi-bot support
267 + * Create Pinecone role restrictions table
518 268 */
519 269 function mxchat_create_pinecone_roles_table() {
520 270 global $wpdb;
521 -
271 +
522 272 $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
523 273 $charset_collate = $wpdb->get_charset_collate();
524 -
274 +
525 275 $sql = "CREATE TABLE $table_name (
526 276 id mediumint(9) NOT NULL AUTO_INCREMENT,
527 277 vector_id varchar(255) NOT NULL,
528 - bot_id varchar(50) NOT NULL DEFAULT 'default',
529 278 source_url text,
530 279 role_restriction varchar(50) DEFAULT 'public',
531 280 updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
532 281 PRIMARY KEY (id),
533 - UNIQUE KEY vector_bot (vector_id, bot_id),
534 - KEY role_restriction (role_restriction),
535 - KEY bot_id (bot_id)
282 + UNIQUE KEY vector_id (vector_id),
283 + KEY role_restriction (role_restriction)
536 284 ) $charset_collate;";
537 -
285 +
538 286 require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
539 287 dbDelta($sql);
540 288 }
541 289
542 290 /**
543 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
544 - * This migration runs once to update existing installations
545 - */
546 -function mxchat_migrate_pinecone_roles_add_bot_id() {
547 - global $wpdb;
548 -
549 - // Check if migration already ran
550 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
551 - if (version_compare($migration_version, '2.5.2', '>=')) {
552 - return; // Already migrated
553 - }
554 -
555 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
556 -
557 - // Check if table exists
558 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
559 - return; // Table doesn't exist yet
560 - }
561 -
562 - // Check if bot_id column already exists
563 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
564 -
565 - if (empty($column_exists)) {
566 - // Add bot_id column
567 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
568 -
569 - // Update the unique key to include bot_id
570 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
571 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
572 -
573 - // Add index for bot_id
574 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
575 -
576 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
577 - }
578 -
579 - // Mark migration as complete
580 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
581 -}
582 -
583 -/**
584 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
585 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
586 - */
587 -function mxchat_migrate_add_content_type_column() {
588 - global $wpdb;
589 -
590 - // Check if migration already ran
591 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
592 - if (version_compare($migration_version, '2.5.6', '>=')) {
593 - return;
594 - }
595 -
596 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
597 -
598 - // Check if table exists
599 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
600 - return;
601 - }
602 -
603 - // Check if content_type column already exists
604 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
605 -
606 - if (empty($column_exists)) {
607 - // Add content_type column with default value 'content' for backwards compatibility
608 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
609 -
610 - // Add index for better query performance
611 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
612 -
613 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
614 - }
615 -
616 - // Mark migration as complete
617 - update_option('mxchat_content_type_migration_version', '2.5.6');
618 -}
619 -
620 -/**
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 -/**
646 291 * 2.5.2: Create queue processing tables for reliable background processing
647 292 */
648 293 function mxchat_create_queue_tables() {
649 294 global $wpdb;
@@ -691,32 +336,8 @@
691 336 //error_log("MxChat: Queue tables created/updated successfully");
692 337 }
693 338
694 339 /**
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 -/**
719 340 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
720 341 * This fixes "url, source_url. The supplied values may be too long" errors
721 342 */
722 343 function mxchat_fix_url_column_size() {
@@ -739,80 +360,22 @@
739 360
740 361 /**
741 362 * Migrate deprecated AI models to their replacements
742 363 * 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.
745 364 */
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 - */
755 365 function mxchat_migrate_deprecated_models() {
756 366 $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) {
367 +
368 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
369 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
370 + // Update to Claude 3.7 Sonnet (the replacement model)
371 + $options['model'] = 'claude-3-7-sonnet-20250219';
812 372 update_option('mxchat_options', $options);
373 +
374 + // Set a flag to show admin notice
813 375 update_option('mxchat_model_migrated_notice', true);
814 - update_option('mxchat_model_migration_message', $migration_message);
376 +
377 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
815 378 }
816 379 }
817 380
818 381 /**
@@ -819,19 +382,17 @@
819 382 * Show admin notice after model migration
820 383 */
821 384 function mxchat_show_migration_notice() {
822 385 if (get_option('mxchat_model_migrated_notice')) {
823 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
824 386 ?>
825 387 <div class="notice notice-info is-dismissible">
826 388 <p>
827 389 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
828 - <?php echo esc_html($migration_message); ?>
390 + <?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'); ?>
829 391 </p>
830 392 </div>
831 393 <?php
832 394 delete_option('mxchat_model_migrated_notice');
833 - delete_option('mxchat_model_migration_message');
834 395 }
835 396 }
836 397
837 398 function mxchat_activate() {
@@ -851,12 +412,10 @@
851 412 article_content LONGTEXT NOT NULL,
852 413 embedding_vector LONGTEXT,
853 414 source_url TEXT DEFAULT NULL,
854 415 role_restriction VARCHAR(50) DEFAULT 'public',
855 - content_type VARCHAR(50) DEFAULT 'content',
856 416 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
857 - PRIMARY KEY (id),
858 - KEY content_type (content_type)
417 + PRIMARY KEY (id)
859 418 ) $charset_collate;";
860 419
861 420 // Intents Table - NOW INCLUDES enabled_bots column from the start
862 421 $intents_table = $wpdb->prefix . 'mxchat_intents';
@@ -871,26 +430,13 @@
871 430 enabled_bots LONGTEXT DEFAULT NULL,
872 431 PRIMARY KEY (id)
873 432 ) $charset_collate;";
874 433
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 - ) $charset_collate;";
886 -
887 434 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
888 435
889 436 // Create other tables
890 437 dbDelta($sql_system_prompt);
891 438 dbDelta($sql_intents_table);
892 - dbDelta($sql_intent_phrases_table);
893 439
894 440 // Create URL click tracking table
895 441 mxchat_create_url_clicks_table();
896 442
@@ -899,11 +445,8 @@
899 445
900 446 // NEW 2.5.2: Create queue processing tables
901 447 mxchat_create_queue_tables();
902 448
903 - // Create transcript translations table
904 - mxchat_create_translations_table();
905 -
906 449 // Ensure additional columns in system prompt table
907 450 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
908 451 if (!empty($existing_system_columns)) {
909 452 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -943,20 +486,14 @@
943 486 ));
944 487 }
945 488 }
946 489
947 - // Run migration for existing installations
948 - mxchat_migrate_pinecone_roles_add_bot_id();
949 -
950 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
951 - mxchat_backfill_active_embedding_model();
952 -
953 490 // Setup cron jobs
954 491 mxchat_setup_cron_jobs();
955 492
956 493 // Update version
957 494 update_option('mxchat_plugin_version', MXCHAT_VERSION);
958 -
495 +
959 496 //error_log("MxChat: Activation function completed");
960 497 }
961 498
962 499 /**
@@ -984,22 +521,8 @@
984 521 } else {
985 522 // Clear fallback flags if cron scheduling succeeded
986 523 delete_option('mxchat_use_fallback_rate_limits');
987 524 }
988 -
989 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
990 - $transcript_options = get_option('mxchat_transcripts_options', array());
991 - $cleanup_interval = isset($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) {
995 - // Check if not already scheduled
996 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
997 - // Schedule to run daily at 3 AM
998 - $next_run = strtotime('tomorrow 3:00 AM');
999 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
1000 - }
1001 - }
1002 525 }
1003 526
1004 527 /**
1005 528 * Clean up on plugin deactivation
@@ -1006,10 +529,8 @@
1006 529 */
1007 530 function mxchat_deactivate() {
1008 531 // Clear scheduled cron jobs
1009 532 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1010 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1011 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1012 533
1013 534 // Clear fallback options
1014 535 delete_option('mxchat_use_fallback_rate_limits');
1015 536 delete_option('mxchat_next_rate_limit_check');
@@ -1069,14 +590,11 @@
1069 590
1070 591 // Version-specific migrations
1071 592 if ($current_version !== $plugin_version) {
1072 593 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1073 -
594 +
1074 595 // Run live agent update BEFORE updating the stored version
1075 596 mxchat_handle_live_agent_update();
1076 -
1077 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1078 - mxchat_handle_theme_migration_notice();
1079 597
1080 598 // Run role restriction migration for 2.4.1
1081 599 if (version_compare($current_version, '2.4.1', '<')) {
1082 600 mxchat_add_role_restriction_column();
@@ -1097,43 +615,9 @@
1097 615 mxchat_create_queue_tables();
1098 616 mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1099 617 //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1100 618 }
1101 -
1102 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1103 - if (version_compare($current_version, '2.6.0', '<')) {
1104 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1105 - mxchat_ensure_all_columns($chat_table);
1106 - //error_log("MxChat: rag_context column migration for 2.6.0");
1107 - }
1108 -
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 -
619 +
1136 620 // Run full activation to ensure everything is up to date
1137 621 mxchat_activate();
1138 622
1139 623 // Run migration functions
@@ -1265,59 +749,31 @@
1265 749 function mxchat_handle_live_agent_update() {
1266 750 // Get the CURRENT stored version (before it gets updated)
1267 751 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1268 752 $new_version = '2.2.2';
1269 -
753 +
1270 754 // Only run this once for the update to 2.2.2
1271 755 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1272 -
756 +
1273 757 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1274 758 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1275 759 $options = get_option('mxchat_options', array());
1276 -
760 +
1277 761 // Check if live agent was previously enabled
1278 762 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1279 763 // Disable live agent
1280 764 $options['live_agent_status'] = 'off';
1281 765 update_option('mxchat_options', $options);
1282 -
766 +
1283 767 // Set flag to show the notification banner
1284 768 update_option('mxchat_show_live_agent_disabled_notice', true);
1285 769 }
1286 -
770 +
1287 771 // Mark this update as handled
1288 772 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1289 773 }
1290 774 }
1291 775
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 776 // Initialize plugin safely
1321 777 function mxchat_init() {
1322 778 // Include all class files first
1323 779 mxchat_include_classes();
@@ -1349,25 +805,10 @@
1349 805 // Initialize meta box class
1350 806 if (class_exists('MxChat_Meta_Box')) {
1351 807 new MxChat_Meta_Box();
1352 808 }
1353 -
1354 809 }
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 -
810 +
1370 811 // Initialize public classes
1371 812 if (class_exists('MxChat_Public')) {
1372 813 $mxchat_public = new MxChat_Public();
1373 814 }
@@ -1393,60 +834,8 @@
1393 834 }
1394 835
1395 836 // Run initialization on plugins_loaded
1396 837 add_action('plugins_loaded', 'mxchat_init');
1397 -
1398 -// Run migration check on admin init (for auto-updates without reactivation)
1399 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1400 -
1401 -/**
1402 - * Check and run migrations on admin init
1403 - * This ensures migrations run even when plugin is auto-updated
1404 - */
1405 -function mxchat_check_and_run_migrations() {
1406 - // Only run in admin and not on every request
1407 - static $checked = false;
1408 - if ($checked) {
1409 - return;
1410 - }
1411 - $checked = true;
1412 -
1413 - mxchat_migrate_pinecone_roles_add_bot_id();
1414 - 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 -}
1449 838
1450 839 // Register activation hook
1451 840 register_activation_hook(__FILE__, 'mxchat_activate');
1452 841