| @@ -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: 3.2.9 | |
| 6 | + * Version: 3.1.8 | |
| 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 |
| @@ -46,51 +46,8 @@ | ||
| 46 | 46 | } |
| 47 | 47 | add_action('init', 'mxchat_load_textdomain'); |
| 48 | 48 | |
| 49 | 49 | /** |
| 50 | - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026. | |
| 51 | - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview | |
| 52 | - * (Google's official migration target) the first time admin_init fires after update. | |
| 53 | - */ | |
| 54 | -add_action('admin_init', function () { | |
| 55 | - if (get_option('mxchat_gemini_3_remap_done')) { | |
| 56 | - return; | |
| 57 | - } | |
| 58 | - $opts = get_option('mxchat_options'); | |
| 59 | - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') { | |
| 60 | - $opts['model'] = 'gemini-3.1-pro-preview'; | |
| 61 | - update_option('mxchat_options', $opts); | |
| 62 | - } | |
| 63 | - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') { | |
| 64 | - $opts['content_model'] = 'gemini-3.1-pro-preview'; | |
| 65 | - update_option('mxchat_options', $opts); | |
| 66 | - } | |
| 67 | - update_option('mxchat_gemini_3_remap_done', 1); | |
| 68 | -}); | |
| 69 | - | |
| 70 | -/** | |
| 71 | - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212, | |
| 72 | - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing | |
| 73 | - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning | |
| 74 | - * (modern, fast, broadly available) the first time admin_init fires after update. | |
| 75 | - */ | |
| 76 | -add_action('admin_init', function () { | |
| 77 | - if (get_option('mxchat_grok_2_remap_done')) { | |
| 78 | - return; | |
| 79 | - } | |
| 80 | - $opts = get_option('mxchat_options'); | |
| 81 | - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') { | |
| 82 | - $opts['model'] = 'grok-4-1-fast-non-reasoning'; | |
| 83 | - update_option('mxchat_options', $opts); | |
| 84 | - } | |
| 85 | - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') { | |
| 86 | - $opts['content_model'] = 'grok-4-1-fast-non-reasoning'; | |
| 87 | - update_option('mxchat_options', $opts); | |
| 88 | - } | |
| 89 | - update_option('mxchat_grok_2_remap_done', 1); | |
| 90 | -}); | |
| 91 | - | |
| 92 | -/** | |
| 93 | 50 | * Exclude MxChat assets from caching plugin optimizations |
| 94 | 51 | * |
| 95 | 52 | * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache, |
| 96 | 53 | * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by |
| @@ -293,61 +250,8 @@ | ||
| 293 | 250 | $rejected[] = 'wp-admin/admin-ajax.php'; |
| 294 | 251 | return $rejected; |
| 295 | 252 | }); |
| 296 | 253 | |
| 297 | -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix) | |
| 298 | -// Each cache plugin gets its own filter export so that visitors hitting an | |
| 299 | -// edge-cached page never receive cached chat-AJAX responses. The chat send / | |
| 300 | -// stream send / file upload all POST to /wp-admin/admin-ajax.php with | |
| 301 | -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response | |
| 302 | -// and break the per-session nonce flow on the first message. | |
| 303 | - | |
| 304 | -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings. | |
| 305 | -add_filter('rocket_cache_reject_uri', function($uris) { | |
| 306 | - if (!is_array($uris)) $uris = array(); | |
| 307 | - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*'; | |
| 308 | - return $uris; | |
| 309 | -}); | |
| 310 | - | |
| 311 | -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits | |
| 312 | -// caching when the request matches our chat-AJAX pattern. | |
| 313 | -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) { | |
| 314 | - if ($no_cache) return $no_cache; | |
| 315 | - if (!empty($_SERVER['REQUEST_URI']) && | |
| 316 | - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false && | |
| 317 | - !empty($_REQUEST['action']) && | |
| 318 | - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) { | |
| 319 | - return true; | |
| 320 | - } | |
| 321 | - return $no_cache; | |
| 322 | -}); | |
| 323 | - | |
| 324 | -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when | |
| 325 | -// the URI matches. | |
| 326 | -add_filter('w3tc_pgcache_request_skip_uri', function($skip) { | |
| 327 | - if ($skip) return $skip; | |
| 328 | - if (!empty($_SERVER['REQUEST_URI']) && | |
| 329 | - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false && | |
| 330 | - !empty($_REQUEST['action']) && | |
| 331 | - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) { | |
| 332 | - return true; | |
| 333 | - } | |
| 334 | - return $skip; | |
| 335 | -}); | |
| 336 | - | |
| 337 | -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per | |
| 338 | -// request. Same pattern as LiteSpeed / W3TC. | |
| 339 | -add_filter('flying_press_cacheable', function($cacheable) { | |
| 340 | - if (!$cacheable) return $cacheable; | |
| 341 | - if (!empty($_SERVER['REQUEST_URI']) && | |
| 342 | - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false && | |
| 343 | - !empty($_REQUEST['action']) && | |
| 344 | - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) { | |
| 345 | - return false; | |
| 346 | - } | |
| 347 | - return $cacheable; | |
| 348 | -}); | |
| 349 | - | |
| 350 | 254 | // Include classes with error handling |
| 351 | 255 | function mxchat_include_classes() { |
| 352 | 256 | $class_files = array( |
| 353 | 257 | 'includes/class-mxchat-integrator.php', |
| @@ -358,10 +262,8 @@ | ||
| 358 | 262 | 'includes/class-mxchat-meta-box.php', |
| 359 | 263 | 'includes/class-mxchat-chunker.php', |
| 360 | 264 | 'includes/class-mxchat-word-handler.php', |
| 361 | 265 | 'includes/class-mxchat-content-generator.php', |
| 362 | - 'includes/class-mxchat-cache-purge.php', | |
| 363 | - 'includes/class-rest-api.php', | |
| 364 | 266 | 'admin/class-ajax-handler.php', |
| 365 | 267 | 'admin/class-pinecone-manager.php', |
| 366 | 268 | 'admin/class-knowledge-manager.php' |
| 367 | 269 | ); |
| @@ -373,26 +275,8 @@ | ||
| 373 | 275 | } else { |
| 374 | 276 | //error_log('MxChat: Missing class file - ' . $file); |
| 375 | 277 | } |
| 376 | 278 | } |
| 377 | - | |
| 378 | - // Admin pages that aren't classes (procedural include). | |
| 379 | - if (is_admin()) { | |
| 380 | - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php'; | |
| 381 | - if (file_exists($admin_api_page)) { | |
| 382 | - require_once $admin_api_page; | |
| 383 | - } | |
| 384 | - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php. | |
| 385 | - // The require MUST live here (admin bootstrap) and not just inside | |
| 386 | - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT | |
| 387 | - // fire on admin-ajax.php requests, so the wizard's AJAX handlers | |
| 388 | - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step / | |
| 389 | - // auto_graduate + the f7c7d4 dismiss handler) would never register. | |
| 390 | - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php'; | |
| 391 | - if (file_exists($admin_onboarding_page)) { | |
| 392 | - require_once $admin_onboarding_page; | |
| 393 | - } | |
| 394 | - } | |
| 395 | 279 | } |
| 396 | 280 | |
| 397 | 281 | /** |
| 398 | 282 | * Lazy-load the PDF parser library only when needed. |
| @@ -724,33 +608,8 @@ | ||
| 724 | 608 | update_option('mxchat_content_type_migration_version', '2.5.6'); |
| 725 | 609 | } |
| 726 | 610 | |
| 727 | 611 | /** |
| 728 | - * 3.2.4: Backfill the active embedding model option for installs that already | |
| 729 | - * have KB content but no stamped model. The mismatch warning compares this | |
| 730 | - * against the user's currently selected model — no per-row column needed. | |
| 731 | - */ | |
| 732 | -function mxchat_backfill_active_embedding_model() { | |
| 733 | - global $wpdb; | |
| 734 | - | |
| 735 | - if (get_option('mxchat_active_embedding_model', '') !== '') { | |
| 736 | - return; | |
| 737 | - } | |
| 738 | - | |
| 739 | - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content'; | |
| 740 | - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) { | |
| 741 | - return; | |
| 742 | - } | |
| 743 | - | |
| 744 | - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}"); | |
| 745 | - if ($kb_count > 0) { | |
| 746 | - $options = get_option('mxchat_options', array()); | |
| 747 | - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002'; | |
| 748 | - update_option('mxchat_active_embedding_model', $current_model, false); | |
| 749 | - } | |
| 750 | -} | |
| 751 | - | |
| 752 | -/** | |
| 753 | 612 | * 2.5.2: Create queue processing tables for reliable background processing |
| 754 | 613 | */ |
| 755 | 614 | function mxchat_create_queue_tables() { |
| 756 | 615 | global $wpdb; |
| @@ -822,34 +681,8 @@ | ||
| 822 | 681 | dbDelta($sql); |
| 823 | 682 | } |
| 824 | 683 | |
| 825 | 684 | /** |
| 826 | - * Create per-session satisfaction ratings table (v3.2.6) | |
| 827 | - * Stores one 👍/👎 rating + optional feedback per chat session. | |
| 828 | - */ | |
| 829 | -function mxchat_create_session_ratings_table() { | |
| 830 | - global $wpdb; | |
| 831 | - $charset_collate = $wpdb->get_charset_collate(); | |
| 832 | - | |
| 833 | - $table_name = $wpdb->prefix . 'mxchat_session_ratings'; | |
| 834 | - $sql = "CREATE TABLE $table_name ( | |
| 835 | - id bigint(20) unsigned NOT NULL AUTO_INCREMENT, | |
| 836 | - session_id varchar(255) NOT NULL, | |
| 837 | - bot_id varchar(50) NOT NULL DEFAULT 'default', | |
| 838 | - rating_value tinyint(1) NOT NULL, | |
| 839 | - rating_feedback text DEFAULT NULL, | |
| 840 | - created_at datetime NOT NULL, | |
| 841 | - PRIMARY KEY (id), | |
| 842 | - UNIQUE KEY session_id (session_id), | |
| 843 | - KEY bot_id (bot_id), | |
| 844 | - KEY created_at (created_at) | |
| 845 | - ) $charset_collate;"; | |
| 846 | - | |
| 847 | - require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); | |
| 848 | - dbDelta($sql); | |
| 849 | -} | |
| 850 | - | |
| 851 | -/** | |
| 852 | 685 | * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding) |
| 853 | 686 | * This fixes "url, source_url. The supplied values may be too long" errors |
| 854 | 687 | */ |
| 855 | 688 | function mxchat_fix_url_column_size() { |
| @@ -1035,11 +868,8 @@ | ||
| 1035 | 868 | |
| 1036 | 869 | // Create transcript translations table |
| 1037 | 870 | mxchat_create_translations_table(); |
| 1038 | 871 | |
| 1039 | - // Create per-session satisfaction ratings table (v3.2.6) | |
| 1040 | - mxchat_create_session_ratings_table(); | |
| 1041 | - | |
| 1042 | 872 | // Ensure additional columns in system prompt table |
| 1043 | 873 | $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table"); |
| 1044 | 874 | if (!empty($existing_system_columns)) { |
| 1045 | 875 | $existing_system_column_names = array_column($existing_system_columns, 'Field'); |
| @@ -1082,11 +912,8 @@ | ||
| 1082 | 912 | |
| 1083 | 913 | // Run migration for existing installations |
| 1084 | 914 | mxchat_migrate_pinecone_roles_add_bot_id(); |
| 1085 | 915 | |
| 1086 | - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking) | |
| 1087 | - mxchat_backfill_active_embedding_model(); | |
| 1088 | - | |
| 1089 | 916 | // Setup cron jobs |
| 1090 | 917 | mxchat_setup_cron_jobs(); |
| 1091 | 918 | |
| 1092 | 919 | // Update version |
| @@ -1121,14 +948,13 @@ | ||
| 1121 | 948 | // Clear fallback flags if cron scheduling succeeded |
| 1122 | 949 | delete_option('mxchat_use_fallback_rate_limits'); |
| 1123 | 950 | } |
| 1124 | 951 | |
| 1125 | - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0) | |
| 952 | + // Schedule transcript cleanup if configured | |
| 1126 | 953 | $transcript_options = get_option('mxchat_transcripts_options', array()); |
| 1127 | 954 | $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never'; |
| 1128 | - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0; | |
| 1129 | - | |
| 1130 | - if ($cleanup_interval !== 'never' || $custom_retention > 0) { | |
| 955 | + | |
| 956 | + if ($cleanup_interval !== 'never') { | |
| 1131 | 957 | // Check if not already scheduled |
| 1132 | 958 | if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) { |
| 1133 | 959 | // Schedule to run daily at 3 AM |
| 1134 | 960 | $next_run = strtotime('tomorrow 3:00 AM'); |
| @@ -1262,14 +1088,8 @@ | ||
| 1262 | 1088 | delete_option('mxchat_email_null'); |
| 1263 | 1089 | delete_option('mxchat_name_null'); |
| 1264 | 1090 | } |
| 1265 | 1091 | |
| 1266 | - // 3.2.4: Backfill active embedding model option for the warning UI | |
| 1267 | - // (replaces the per-row column tracking from 3.2.3, which was reverted) | |
| 1268 | - if (version_compare($current_version, '3.2.4', '<')) { | |
| 1269 | - mxchat_backfill_active_embedding_model(); | |
| 1270 | - } | |
| 1271 | - | |
| 1272 | 1092 | // Run full activation to ensure everything is up to date |
| 1273 | 1093 | mxchat_activate(); |
| 1274 | 1094 | |
| 1275 | 1095 | // Run migration functions |
| @@ -1494,23 +1314,8 @@ | ||
| 1494 | 1314 | if (class_exists('MxChat_Content_Generator')) { |
| 1495 | 1315 | new MxChat_Content_Generator(); |
| 1496 | 1316 | } |
| 1497 | 1317 | |
| 1498 | - // Initialize cache purge globally — settings writes can happen on any | |
| 1499 | - // request type (admin screens, admin-ajax autosave, wp-cli), and the | |
| 1500 | - // deferred-purge cron event fires on front-end requests. | |
| 1501 | - if (class_exists('MxChat_Cache_Purge')) { | |
| 1502 | - MxChat_Cache_Purge::init(); | |
| 1503 | - } | |
| 1504 | - | |
| 1505 | - // Initialize REST API globally — endpoints must be registered on | |
| 1506 | - // every request (admin and frontend) so they're reachable via /wp-json/. | |
| 1507 | - // Endpoints are auth-gated and locked until the site owner generates | |
| 1508 | - // a token in MxChat → API Access. | |
| 1509 | - if (class_exists('MxChat_Rest_Api')) { | |
| 1510 | - new MxChat_Rest_Api(); | |
| 1511 | - } | |
| 1512 | - | |
| 1513 | 1318 | // Initialize public classes |
| 1514 | 1319 | if (class_exists('MxChat_Public')) { |
| 1515 | 1320 | $mxchat_public = new MxChat_Public(); |
| 1516 | 1321 | } |
| @@ -1555,25 +1360,11 @@ | ||
| 1555 | 1360 | |
| 1556 | 1361 | mxchat_migrate_pinecone_roles_add_bot_id(); |
| 1557 | 1362 | mxchat_migrate_add_content_type_column(); |
| 1558 | 1363 | mxchat_migrate_add_translations_table(); |
| 1559 | - mxchat_migrate_add_session_ratings_table(); | |
| 1560 | 1364 | } |
| 1561 | 1365 | |
| 1562 | 1366 | /** |
| 1563 | - * Migration: Create per-session satisfaction ratings table (v3.2.6) | |
| 1564 | - * For users upgrading from versions before 3.2.6 | |
| 1565 | - */ | |
| 1566 | -function mxchat_migrate_add_session_ratings_table() { | |
| 1567 | - $migration_key = 'mxchat_session_ratings_table_created'; | |
| 1568 | - if (get_option($migration_key)) { | |
| 1569 | - return; | |
| 1570 | - } | |
| 1571 | - mxchat_create_session_ratings_table(); | |
| 1572 | - update_option($migration_key, '3.2.6'); | |
| 1573 | -} | |
| 1574 | - | |
| 1575 | -/** | |
| 1576 | 1367 | * Migration: Create transcript translations table (v3.0.4) |
| 1577 | 1368 | * For users upgrading from versions before 3.0.4 |
| 1578 | 1369 | */ |
| 1579 | 1370 | function mxchat_migrate_add_translations_table() { |
| @@ -1616,67 +1407,5 @@ | ||
| 1616 | 1407 | return $schedules; |
| 1617 | 1408 | }); |
| 1618 | 1409 | |
| 1619 | 1410 | // Register deactivation hook |
| 1620 | -register_deactivation_hook(__FILE__, 'mxchat_deactivate'); | |
| 1621 | - | |
| 1622 | -/** | |
| 1623 | - * Per-session satisfaction rating: AJAX save handler (v3.2.6). | |
| 1624 | - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on | |
| 1625 | - * session_id makes this naturally idempotent — only the first rating per | |
| 1626 | - * session is stored; duplicate POSTs are silent no-ops. | |
| 1627 | - */ | |
| 1628 | -function mxchat_save_session_rating() { | |
| 1629 | - global $wpdb; | |
| 1630 | - | |
| 1631 | - $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : ''; | |
| 1632 | - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default'; | |
| 1633 | - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0; | |
| 1634 | - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : ''; | |
| 1635 | - | |
| 1636 | - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) { | |
| 1637 | - wp_send_json_error(array('message' => 'invalid_input'), 400); | |
| 1638 | - } | |
| 1639 | - | |
| 1640 | - if (strlen($feedback) > 1000) { | |
| 1641 | - $feedback = substr($feedback, 0, 1000); | |
| 1642 | - } | |
| 1643 | - | |
| 1644 | - $table_name = $wpdb->prefix . 'mxchat_session_ratings'; | |
| 1645 | - $existing = $wpdb->get_var($wpdb->prepare( | |
| 1646 | - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1", | |
| 1647 | - $session_id | |
| 1648 | - )); | |
| 1649 | - | |
| 1650 | - if ($existing) { | |
| 1651 | - if ($feedback !== '') { | |
| 1652 | - $wpdb->update( | |
| 1653 | - $table_name, | |
| 1654 | - array('rating_feedback' => $feedback), | |
| 1655 | - array('id' => (int) $existing), | |
| 1656 | - array('%s'), | |
| 1657 | - array('%d') | |
| 1658 | - ); | |
| 1659 | - } | |
| 1660 | - wp_send_json_success(array('updated' => true)); | |
| 1661 | - } | |
| 1662 | - | |
| 1663 | - $inserted = $wpdb->insert( | |
| 1664 | - $table_name, | |
| 1665 | - array( | |
| 1666 | - 'session_id' => $session_id, | |
| 1667 | - 'bot_id' => $bot_id !== '' ? $bot_id : 'default', | |
| 1668 | - 'rating_value' => $rating_raw, | |
| 1669 | - 'rating_feedback' => $feedback !== '' ? $feedback : null, | |
| 1670 | - 'created_at' => current_time('mysql'), | |
| 1671 | - ), | |
| 1672 | - array('%s', '%s', '%d', '%s', '%s') | |
| 1673 | - ); | |
| 1674 | - | |
| 1675 | - if ($inserted === false) { | |
| 1676 | - wp_send_json_error(array('message' => 'db_insert_failed'), 500); | |
| 1677 | - } | |
| 1678 | - | |
| 1679 | - wp_send_json_success(array('saved' => true)); | |
| 1680 | -} | |
| 1681 | -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating'); | |
| 1682 | -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating'); | |
| 1411 | +register_deactivation_hook(__FILE__, 'mxchat_deactivate'); | |
