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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 -593 3.2.2 → 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: 3.2.2
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',
@@ -259,11 +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;
@@ -378,13 +138,12 @@
378 138
379 139 // Define all required columns and their types
380 140 $required_columns = [
381 141 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
382 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
142 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
383 143 'user_name' => 'VARCHAR(100) DEFAULT NULL',
384 144 'originating_page_url' => 'TEXT DEFAULT NULL',
385 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
386 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
145 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
387 146 ];
388 147
389 148 // Get existing columns
390 149 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -504,112 +263,32 @@
504 263 }
505 264 }
506 265
507 266 /**
508 - * Create Pinecone role restrictions table with multi-bot support
267 + * Create Pinecone role restrictions table
509 268 */
510 269 function mxchat_create_pinecone_roles_table() {
511 270 global $wpdb;
512 -
271 +
513 272 $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
514 273 $charset_collate = $wpdb->get_charset_collate();
515 -
274 +
516 275 $sql = "CREATE TABLE $table_name (
517 276 id mediumint(9) NOT NULL AUTO_INCREMENT,
518 277 vector_id varchar(255) NOT NULL,
519 - bot_id varchar(50) NOT NULL DEFAULT 'default',
520 278 source_url text,
521 279 role_restriction varchar(50) DEFAULT 'public',
522 280 updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
523 281 PRIMARY KEY (id),
524 - UNIQUE KEY vector_bot (vector_id, bot_id),
525 - KEY role_restriction (role_restriction),
526 - KEY bot_id (bot_id)
282 + UNIQUE KEY vector_id (vector_id),
283 + KEY role_restriction (role_restriction)
527 284 ) $charset_collate;";
528 -
285 +
529 286 require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
530 287 dbDelta($sql);
531 288 }
532 289
533 290 /**
534 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
535 - * This migration runs once to update existing installations
536 - */
537 -function mxchat_migrate_pinecone_roles_add_bot_id() {
538 - global $wpdb;
539 -
540 - // Check if migration already ran
541 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
542 - if (version_compare($migration_version, '2.5.2', '>=')) {
543 - return; // Already migrated
544 - }
545 -
546 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
547 -
548 - // Check if table exists
549 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
550 - return; // Table doesn't exist yet
551 - }
552 -
553 - // Check if bot_id column already exists
554 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
555 -
556 - if (empty($column_exists)) {
557 - // Add bot_id column
558 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
559 -
560 - // Update the unique key to include bot_id
561 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
562 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
563 -
564 - // Add index for bot_id
565 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
566 -
567 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
568 - }
569 -
570 - // Mark migration as complete
571 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
572 -}
573 -
574 -/**
575 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
576 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
577 - */
578 -function mxchat_migrate_add_content_type_column() {
579 - global $wpdb;
580 -
581 - // Check if migration already ran
582 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
583 - if (version_compare($migration_version, '2.5.6', '>=')) {
584 - return;
585 - }
586 -
587 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
588 -
589 - // Check if table exists
590 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
591 - return;
592 - }
593 -
594 - // Check if content_type column already exists
595 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
596 -
597 - if (empty($column_exists)) {
598 - // Add content_type column with default value 'content' for backwards compatibility
599 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
600 -
601 - // Add index for better query performance
602 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
603 -
604 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
605 - }
606 -
607 - // Mark migration as complete
608 - update_option('mxchat_content_type_migration_version', '2.5.6');
609 -}
610 -
611 -/**
612 291 * 2.5.2: Create queue processing tables for reliable background processing
613 292 */
614 293 function mxchat_create_queue_tables() {
615 294 global $wpdb;
@@ -657,32 +336,8 @@
657 336 //error_log("MxChat: Queue tables created/updated successfully");
658 337 }
659 338
660 339 /**
661 - * Create transcript translations table for persisting translations
662 - */
663 -function mxchat_create_translations_table() {
664 - global $wpdb;
665 - $charset_collate = $wpdb->get_charset_collate();
666 -
667 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
668 - $sql = "CREATE TABLE $table_name (
669 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
670 - session_id varchar(255) NOT NULL,
671 - language_code varchar(10) NOT NULL,
672 - translations longtext NOT NULL,
673 - created_at datetime NOT NULL,
674 - updated_at datetime NOT NULL,
675 - PRIMARY KEY (id),
676 - UNIQUE KEY session_lang (session_id, language_code),
677 - KEY session_id (session_id)
678 - ) $charset_collate;";
679 -
680 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
681 - dbDelta($sql);
682 -}
683 -
684 -/**
685 340 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
686 341 * This fixes "url, source_url. The supplied values may be too long" errors
687 342 */
688 343 function mxchat_fix_url_column_size() {
@@ -705,80 +360,22 @@
705 360
706 361 /**
707 362 * Migrate deprecated AI models to their replacements
708 363 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
709 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
710 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
711 364 */
712 -function mxchat_migrate_transcripts_charset() {
713 - global $wpdb;
714 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
715 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
716 -}
717 -
718 -/**
719 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
720 - */
721 365 function mxchat_migrate_deprecated_models() {
722 366 $options = get_option('mxchat_options', array());
723 - $migrated = false;
724 - $migration_message = '';
725 -
726 - if (!isset($options['model'])) {
727 - return;
728 - }
729 -
730 - $current_model = $options['model'];
731 -
732 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
733 - $deprecated_claude_models = array(
734 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
735 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
736 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
737 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
738 - 'claude-3-sonnet-20240229', // Legacy
739 - 'claude-3-haiku-20240307', // Legacy
740 - );
741 - if (in_array($current_model, $deprecated_claude_models, true)) {
742 - $options['model'] = 'claude-opus-4-6';
743 - $migrated = true;
744 - $migration_message = sprintf(
745 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
746 - $current_model
747 - );
748 - }
749 -
750 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
751 - if ($current_model === 'claude-3-5-haiku-20241022') {
752 - $options['model'] = 'claude-haiku-4-5-20251001';
753 - $migrated = true;
754 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
755 - }
756 -
757 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
758 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
759 - $options['model'] = 'gpt-5.1-chat-latest';
760 - $migrated = true;
761 - $migration_message = sprintf(
762 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
763 - $current_model
764 - );
765 - }
766 -
767 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
768 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
769 - $options['model'] = 'gpt-5-mini';
770 - $migrated = true;
771 - $migration_message = sprintf(
772 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
773 - $current_model
774 - );
775 - }
776 -
777 - if ($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';
778 372 update_option('mxchat_options', $options);
373 +
374 + // Set a flag to show admin notice
779 375 update_option('mxchat_model_migrated_notice', true);
780 - update_option('mxchat_model_migration_message', $migration_message);
376 +
377 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
781 378 }
782 379 }
783 380
784 381 /**
@@ -785,19 +382,17 @@
785 382 * Show admin notice after model migration
786 383 */
787 384 function mxchat_show_migration_notice() {
788 385 if (get_option('mxchat_model_migrated_notice')) {
789 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
790 386 ?>
791 387 <div class="notice notice-info is-dismissible">
792 388 <p>
793 389 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
794 - <?php echo esc_html($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'); ?>
795 391 </p>
796 392 </div>
797 393 <?php
798 394 delete_option('mxchat_model_migrated_notice');
799 - delete_option('mxchat_model_migration_message');
800 395 }
801 396 }
802 397
803 398 function mxchat_activate() {
@@ -817,12 +412,10 @@
817 412 article_content LONGTEXT NOT NULL,
818 413 embedding_vector LONGTEXT,
819 414 source_url TEXT DEFAULT NULL,
820 415 role_restriction VARCHAR(50) DEFAULT 'public',
821 - content_type VARCHAR(50) DEFAULT 'content',
822 416 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
823 - PRIMARY KEY (id),
824 - KEY content_type (content_type)
417 + PRIMARY KEY (id)
825 418 ) $charset_collate;";
826 419
827 420 // Intents Table - NOW INCLUDES enabled_bots column from the start
828 421 $intents_table = $wpdb->prefix . 'mxchat_intents';
@@ -837,26 +430,13 @@
837 430 enabled_bots LONGTEXT DEFAULT NULL,
838 431 PRIMARY KEY (id)
839 432 ) $charset_collate;";
840 433
841 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
842 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
843 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
844 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
845 - intent_id BIGINT(20) UNSIGNED NOT NULL,
846 - phrase TEXT NOT NULL,
847 - embedding_vector LONGTEXT NOT NULL,
848 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
849 - PRIMARY KEY (id),
850 - KEY intent_id (intent_id)
851 - ) $charset_collate;";
852 -
853 434 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
854 435
855 436 // Create other tables
856 437 dbDelta($sql_system_prompt);
857 438 dbDelta($sql_intents_table);
858 - dbDelta($sql_intent_phrases_table);
859 439
860 440 // Create URL click tracking table
861 441 mxchat_create_url_clicks_table();
862 442
@@ -865,11 +445,8 @@
865 445
866 446 // NEW 2.5.2: Create queue processing tables
867 447 mxchat_create_queue_tables();
868 448
869 - // Create transcript translations table
870 - mxchat_create_translations_table();
871 -
872 449 // Ensure additional columns in system prompt table
873 450 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
874 451 if (!empty($existing_system_columns)) {
875 452 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -909,17 +486,14 @@
909 486 ));
910 487 }
911 488 }
912 489
913 - // Run migration for existing installations
914 - mxchat_migrate_pinecone_roles_add_bot_id();
915 -
916 490 // Setup cron jobs
917 491 mxchat_setup_cron_jobs();
918 492
919 493 // Update version
920 494 update_option('mxchat_plugin_version', MXCHAT_VERSION);
921 -
495 +
922 496 //error_log("MxChat: Activation function completed");
923 497 }
924 498
925 499 /**
@@ -947,21 +521,8 @@
947 521 } else {
948 522 // Clear fallback flags if cron scheduling succeeded
949 523 delete_option('mxchat_use_fallback_rate_limits');
950 524 }
951 -
952 - // Schedule transcript cleanup if configured
953 - $transcript_options = get_option('mxchat_transcripts_options', array());
954 - $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
955 -
956 - if ($cleanup_interval !== 'never') {
957 - // Check if not already scheduled
958 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
959 - // Schedule to run daily at 3 AM
960 - $next_run = strtotime('tomorrow 3:00 AM');
961 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
962 - }
963 - }
964 525 }
965 526
966 527 /**
967 528 * Clean up on plugin deactivation
@@ -968,10 +529,8 @@
968 529 */
969 530 function mxchat_deactivate() {
970 531 // Clear scheduled cron jobs
971 532 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
972 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
973 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
974 533
975 534 // Clear fallback options
976 535 delete_option('mxchat_use_fallback_rate_limits');
977 536 delete_option('mxchat_next_rate_limit_check');
@@ -1031,14 +590,11 @@
1031 590
1032 591 // Version-specific migrations
1033 592 if ($current_version !== $plugin_version) {
1034 593 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1035 -
594 +
1036 595 // Run live agent update BEFORE updating the stored version
1037 596 mxchat_handle_live_agent_update();
1038 -
1039 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1040 - mxchat_handle_theme_migration_notice();
1041 597
1042 598 // Run role restriction migration for 2.4.1
1043 599 if (version_compare($current_version, '2.4.1', '<')) {
1044 600 mxchat_add_role_restriction_column();
@@ -1059,37 +615,9 @@
1059 615 mxchat_create_queue_tables();
1060 616 mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1061 617 //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1062 618 }
1063 -
1064 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1065 - if (version_compare($current_version, '2.6.0', '<')) {
1066 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1067 - mxchat_ensure_all_columns($chat_table);
1068 - //error_log("MxChat: rag_context column migration for 2.6.0");
1069 - }
1070 -
1071 - // 3.0.5: Migrate deprecated Gemini embedding model
1072 - if (version_compare($current_version, '3.0.5', '<')) {
1073 - mxchat_migrate_gemini_embedding_model();
1074 - }
1075 -
1076 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1077 - if (version_compare($current_version, '3.0.6', '<')) {
1078 - mxchat_migrate_deprecated_models();
1079 - }
1080 -
1081 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1082 - if (version_compare($current_version, '3.1.2', '<')) {
1083 - mxchat_migrate_transcripts_charset();
1084 - }
1085 -
1086 - // 3.1.7: Clean up stale shared session email/name entries
1087 - if (version_compare($current_version, '3.1.7', '<')) {
1088 - delete_option('mxchat_email_null');
1089 - delete_option('mxchat_name_null');
1090 - }
1091 -
619 +
1092 620 // Run full activation to ensure everything is up to date
1093 621 mxchat_activate();
1094 622
1095 623 // Run migration functions
@@ -1221,59 +749,31 @@
1221 749 function mxchat_handle_live_agent_update() {
1222 750 // Get the CURRENT stored version (before it gets updated)
1223 751 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1224 752 $new_version = '2.2.2';
1225 -
753 +
1226 754 // Only run this once for the update to 2.2.2
1227 755 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1228 -
756 +
1229 757 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1230 758 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1231 759 $options = get_option('mxchat_options', array());
1232 -
760 +
1233 761 // Check if live agent was previously enabled
1234 762 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1235 763 // Disable live agent
1236 764 $options['live_agent_status'] = 'off';
1237 765 update_option('mxchat_options', $options);
1238 -
766 +
1239 767 // Set flag to show the notification banner
1240 768 update_option('mxchat_show_live_agent_disabled_notice', true);
1241 769 }
1242 -
770 +
1243 771 // Mark this update as handled
1244 772 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1245 773 }
1246 774 }
1247 775
1248 -/**
1249 - * Handle theme migration notice for version 3.0.1
1250 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1251 - */
1252 -function mxchat_handle_theme_migration_notice() {
1253 - // Get the CURRENT stored version (before it gets updated)
1254 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1255 - $target_version = '3.0.1';
1256 -
1257 - // Only run this once for the update to 3.0.1
1258 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1259 -
1260 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1261 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1262 - // Check if Pro is activated - only show to Pro users
1263 - $license_status = get_option('mxchat_license_status', 'inactive');
1264 - $is_pro = ($license_status === 'active');
1265 -
1266 - if ($is_pro) {
1267 - // Set flag to show the theme migration notification banner
1268 - update_option('mxchat_show_theme_migration_notice', true);
1269 - }
1270 -
1271 - // Mark this update as handled (whether Pro or not)
1272 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1273 - }
1274 -}
1275 -
1276 776 // Initialize plugin safely
1277 777 function mxchat_init() {
1278 778 // Include all class files first
1279 779 mxchat_include_classes();
@@ -1305,17 +805,10 @@
1305 805 // Initialize meta box class
1306 806 if (class_exists('MxChat_Meta_Box')) {
1307 807 new MxChat_Meta_Box();
1308 808 }
1309 -
1310 809 }
1311 -
1312 - // Initialize content generator globally — it registers wp_head hook
1313 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1314 - if (class_exists('MxChat_Content_Generator')) {
1315 - new MxChat_Content_Generator();
1316 - }
1317 -
810 +
1318 811 // Initialize public classes
1319 812 if (class_exists('MxChat_Public')) {
1320 813 $mxchat_public = new MxChat_Public();
1321 814 }
@@ -1341,60 +834,8 @@
1341 834 }
1342 835
1343 836 // Run initialization on plugins_loaded
1344 837 add_action('plugins_loaded', 'mxchat_init');
1345 -
1346 -// Run migration check on admin init (for auto-updates without reactivation)
1347 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1348 -
1349 -/**
1350 - * Check and run migrations on admin init
1351 - * This ensures migrations run even when plugin is auto-updated
1352 - */
1353 -function mxchat_check_and_run_migrations() {
1354 - // Only run in admin and not on every request
1355 - static $checked = false;
1356 - if ($checked) {
1357 - return;
1358 - }
1359 - $checked = true;
1360 -
1361 - mxchat_migrate_pinecone_roles_add_bot_id();
1362 - mxchat_migrate_add_content_type_column();
1363 - mxchat_migrate_add_translations_table();
1364 -}
1365 -
1366 -/**
1367 - * Migration: Create transcript translations table (v3.0.4)
1368 - * For users upgrading from versions before 3.0.4
1369 - */
1370 -function mxchat_migrate_add_translations_table() {
1371 - $migration_key = 'mxchat_translations_table_created';
1372 -
1373 - // Check if migration already ran
1374 - if (get_option($migration_key)) {
1375 - return;
1376 - }
1377 -
1378 - // Create the translations table
1379 - mxchat_create_translations_table();
1380 -
1381 - // Mark migration as complete
1382 - update_option($migration_key, '3.0.4');
1383 -}
1384 -
1385 -/**
1386 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1387 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1388 - */
1389 -function mxchat_migrate_gemini_embedding_model() {
1390 - $options = get_option('mxchat_options', array());
1391 -
1392 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1393 - $options['embedding_model'] = 'gemini-embedding-001';
1394 - update_option('mxchat_options', $options);
1395 - }
1396 -}
1397 838
1398 839 // Register activation hook
1399 840 register_activation_hook(__FILE__, 'mxchat_activate');
1400 841