| @@ -1,1463 +1,319 @@ | ||
| 1 | -<?php | |
| 2 | -/** | |
| 3 | - * Plugin Name: MxChat | |
| 4 | - * Plugin URI: https://mxchat.ai/ | |
| 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 | |
| 7 | - * Author: MxChat | |
| 8 | - * Author URI: https://mxchat.ai | |
| 9 | - * License: GPLv2 or later | |
| 10 | - * License URI: https://www.gnu.org/licenses/gpl-2.0.html | |
| 11 | - * Text Domain: mxchat | |
| 12 | - * Domain Path: /languages | |
| 13 | - */ | |
| 14 | - | |
| 15 | -if (!defined('ABSPATH')) { | |
| 16 | - exit; // Exit if accessed directly. | |
| 17 | -} | |
| 18 | - | |
| 19 | - | |
| 20 | -if (!defined('MXCHAT_DEV_MODE')) { | |
| 21 | - define('MXCHAT_DEV_MODE', false); | |
| 22 | -} | |
| 23 | - | |
| 24 | -if (!defined('MXCHAT_VERSION')) { | |
| 25 | - $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); | |
| 31 | -} | |
| 32 | - | |
| 33 | -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'); | |
| 46 | -} | |
| 47 | -add_action('init', 'mxchat_load_textdomain'); | |
| 48 | - | |
| 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 | -// Include classes with error handling | |
| 255 | -function mxchat_include_classes() { | |
| 256 | - $class_files = array( | |
| 257 | - 'includes/class-mxchat-integrator.php', | |
| 258 | - 'includes/class-mxchat-admin.php', | |
| 259 | - 'includes/class-mxchat-public.php', | |
| 260 | - 'includes/class-mxchat-utils.php', | |
| 261 | - 'includes/class-mxchat-user.php', | |
| 262 | - 'includes/class-mxchat-meta-box.php', | |
| 263 | - 'includes/class-mxchat-chunker.php', | |
| 264 | - 'includes/class-mxchat-word-handler.php', | |
| 265 | - 'includes/class-mxchat-content-generator.php', | |
| 266 | - 'includes/class-rest-api.php', | |
| 267 | - 'admin/class-ajax-handler.php', | |
| 268 | - 'admin/class-pinecone-manager.php', | |
| 269 | - 'admin/class-knowledge-manager.php' | |
| 270 | - ); | |
| 271 | - | |
| 272 | - foreach ($class_files as $file) { | |
| 273 | - $file_path = plugin_dir_path(__FILE__) . $file; | |
| 274 | - if (file_exists($file_path)) { | |
| 275 | - require_once $file_path; | |
| 276 | - } else { | |
| 277 | - //error_log('MxChat: Missing class file - ' . $file); | |
| 278 | - } | |
| 279 | - } | |
| 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 | -} | |
| 289 | - | |
| 290 | -/** | |
| 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 | - * Create URL click tracking table | |
| 308 | - */ | |
| 309 | -function mxchat_create_url_clicks_table() { | |
| 310 | - global $wpdb; | |
| 311 | - | |
| 312 | - $table_name = $wpdb->prefix . 'mxchat_url_clicks'; | |
| 313 | - | |
| 314 | - $charset_collate = $wpdb->get_charset_collate(); | |
| 315 | - | |
| 316 | - $sql = "CREATE TABLE $table_name ( | |
| 317 | - id mediumint(9) NOT NULL AUTO_INCREMENT, | |
| 318 | - session_id varchar(100) NOT NULL, | |
| 319 | - clicked_url text NOT NULL, | |
| 320 | - message_context text, | |
| 321 | - click_timestamp datetime DEFAULT CURRENT_TIMESTAMP, | |
| 322 | - user_ip varchar(45), | |
| 323 | - user_agent text, | |
| 324 | - PRIMARY KEY (id), | |
| 325 | - KEY session_id (session_id), | |
| 326 | - KEY click_timestamp (click_timestamp) | |
| 327 | - ) $charset_collate;"; | |
| 328 | - | |
| 329 | - require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); | |
| 330 | - dbDelta($sql); | |
| 331 | -} | |
| 332 | - | |
| 333 | -/** | |
| 334 | - * FIXED: Robust table creation and column management | |
| 335 | - */ | |
| 336 | -function mxchat_create_chat_transcripts_table() { | |
| 337 | - global $wpdb; | |
| 338 | - | |
| 339 | - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; | |
| 340 | - $charset_collate = $wpdb->get_charset_collate(); | |
| 341 | - | |
| 342 | - // Create table with ALL columns including user_name from the start | |
| 343 | - $sql = "CREATE TABLE $table_name ( | |
| 344 | - id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, | |
| 345 | - user_id MEDIUMINT(9) DEFAULT 0, | |
| 346 | - session_id VARCHAR(255) NOT NULL, | |
| 347 | - role VARCHAR(255) NOT NULL, | |
| 348 | - message TEXT NOT NULL, | |
| 349 | - user_email VARCHAR(255) DEFAULT NULL, | |
| 350 | - user_name VARCHAR(100) DEFAULT NULL, | |
| 351 | - user_identifier VARCHAR(255) DEFAULT NULL, | |
| 352 | - originating_page_url TEXT DEFAULT NULL, | |
| 353 | - originating_page_title VARCHAR(500) DEFAULT NULL, | |
| 354 | - timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, | |
| 355 | - PRIMARY KEY (id), | |
| 356 | - KEY session_id (session_id), | |
| 357 | - KEY user_email (user_email), | |
| 358 | - KEY timestamp (timestamp) | |
| 359 | - ) $charset_collate;"; | |
| 360 | - | |
| 361 | - require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); | |
| 362 | - $result = dbDelta($sql); | |
| 363 | - | |
| 364 | - // Log the result for debugging | |
| 365 | - if (empty($result)) { | |
| 366 | - //error_log("MxChat: dbDelta returned empty result for chat transcripts table"); | |
| 367 | - } else { | |
| 368 | - //error_log("MxChat: dbDelta result: " . print_r($result, true)); | |
| 369 | - } | |
| 370 | - | |
| 371 | - // IMPORTANT: Ensure all columns exist for existing installations | |
| 372 | - mxchat_ensure_all_columns($table_name); | |
| 373 | -} | |
| 374 | - | |
| 375 | -/** | |
| 376 | - * Ensure all required columns exist (for upgrades) | |
| 377 | - */ | |
| 378 | -function mxchat_ensure_all_columns($table_name) { | |
| 379 | - global $wpdb; | |
| 380 | - | |
| 381 | - // First check if table exists | |
| 382 | - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; | |
| 383 | - if (!$table_exists) { | |
| 384 | - //error_log("MxChat: Table $table_name does not exist, cannot add columns"); | |
| 385 | - return; | |
| 386 | - } | |
| 387 | - | |
| 388 | - // Define all required columns and their types | |
| 389 | - $required_columns = [ | |
| 390 | - 'user_identifier' => 'VARCHAR(255) DEFAULT NULL', | |
| 391 | - 'user_email' => 'VARCHAR(255) DEFAULT NULL', | |
| 392 | - 'user_name' => 'VARCHAR(100) DEFAULT NULL', | |
| 393 | - 'originating_page_url' => 'TEXT DEFAULT NULL', | |
| 394 | - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL', | |
| 395 | - 'rag_context' => 'LONGTEXT DEFAULT NULL' | |
| 396 | - ]; | |
| 397 | - | |
| 398 | - // Get existing columns | |
| 399 | - $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name"); | |
| 400 | - if (empty($existing_columns)) { | |
| 401 | - //error_log("MxChat: Could not get columns for table $table_name"); | |
| 402 | - return; | |
| 403 | - } | |
| 404 | - | |
| 405 | - $existing_column_names = array_column($existing_columns, 'Field'); | |
| 406 | - | |
| 407 | - // Add missing columns | |
| 408 | - foreach ($required_columns as $column_name => $column_definition) { | |
| 409 | - if (!in_array($column_name, $existing_column_names)) { | |
| 410 | - $alter_sql = "ALTER TABLE $table_name ADD COLUMN $column_name $column_definition"; | |
| 411 | - $result = $wpdb->query($alter_sql); | |
| 412 | - | |
| 413 | - if ($result === false) { | |
| 414 | - //error_log("MxChat: Failed to add column $column_name to $table_name. Error: " . $wpdb->last_error); | |
| 415 | - } else { | |
| 416 | - //error_log("MxChat: Successfully added column $column_name to $table_name"); | |
| 417 | - } | |
| 418 | - } | |
| 419 | - } | |
| 420 | -} | |
| 421 | - | |
| 422 | -/** | |
| 423 | - * Add role restriction column to knowledge base table | |
| 424 | - */ | |
| 425 | -function mxchat_add_role_restriction_column() { | |
| 426 | - global $wpdb; | |
| 427 | - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content'; | |
| 428 | - | |
| 429 | - // Check if table exists first | |
| 430 | - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; | |
| 431 | - if (!$table_exists) { | |
| 432 | - //error_log("MxChat: System prompt content table does not exist, cannot add role_restriction column"); | |
| 433 | - return; | |
| 434 | - } | |
| 435 | - | |
| 436 | - // Check if column already exists | |
| 437 | - $column_exists = $wpdb->get_results( | |
| 438 | - $wpdb->prepare( | |
| 439 | - "SHOW COLUMNS FROM {$table_name} LIKE %s", | |
| 440 | - 'role_restriction' | |
| 441 | - ) | |
| 442 | - ); | |
| 443 | - | |
| 444 | - if (empty($column_exists)) { | |
| 445 | - $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url"; | |
| 446 | - $result = $wpdb->query($alter_sql); | |
| 447 | - | |
| 448 | - if ($result === false) { | |
| 449 | - //error_log("MxChat: Failed to add role_restriction column. Error: " . $wpdb->last_error); | |
| 450 | - } else { | |
| 451 | - //error_log("MxChat: Successfully added role_restriction column"); | |
| 452 | - | |
| 453 | - // Set all existing records to 'public' (everyone can access) | |
| 454 | - $update_result = $wpdb->query( | |
| 455 | - "UPDATE {$table_name} | |
| 456 | - SET role_restriction = 'public' | |
| 457 | - WHERE role_restriction IS NULL OR role_restriction = ''" | |
| 458 | - ); | |
| 459 | - | |
| 460 | - if ($update_result !== false) { | |
| 461 | - //error_log("MxChat: Updated {$update_result} existing records to public access"); | |
| 462 | - } | |
| 463 | - } | |
| 464 | - } | |
| 465 | -} | |
| 466 | - | |
| 467 | -/** | |
| 468 | - * Add enabled_bots column to intents table for multi-bot action filtering | |
| 469 | - */ | |
| 470 | -function mxchat_add_enabled_bots_column() { | |
| 471 | - global $wpdb; | |
| 472 | - $table_name = $wpdb->prefix . 'mxchat_intents'; | |
| 473 | - | |
| 474 | - // Check if table exists first | |
| 475 | - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; | |
| 476 | - if (!$table_exists) { | |
| 477 | - //error_log("MxChat: Intents table does not exist, cannot add enabled_bots column"); | |
| 478 | - return; | |
| 479 | - } | |
| 480 | - | |
| 481 | - // Check if column already exists | |
| 482 | - $column_exists = $wpdb->get_results( | |
| 483 | - $wpdb->prepare( | |
| 484 | - "SHOW COLUMNS FROM {$table_name} LIKE %s", | |
| 485 | - 'enabled_bots' | |
| 486 | - ) | |
| 487 | - ); | |
| 488 | - | |
| 489 | - if (empty($column_exists)) { | |
| 490 | - $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled"; | |
| 491 | - $result = $wpdb->query($alter_sql); | |
| 492 | - | |
| 493 | - if ($result === false) { | |
| 494 | - //error_log("MxChat: Failed to add enabled_bots column. Error: " . $wpdb->last_error); | |
| 495 | - } else { | |
| 496 | - //error_log("MxChat: Successfully added enabled_bots column"); | |
| 497 | - | |
| 498 | - // Set all existing actions to work with 'default' bot for backward compatibility | |
| 499 | - $default_bots = json_encode(['default']); | |
| 500 | - $update_result = $wpdb->query( | |
| 501 | - $wpdb->prepare( | |
| 502 | - "UPDATE {$table_name} | |
| 503 | - SET enabled_bots = %s | |
| 504 | - WHERE enabled_bots IS NULL OR enabled_bots = ''", | |
| 505 | - $default_bots | |
| 506 | - ) | |
| 507 | - ); | |
| 508 | - | |
| 509 | - if ($update_result !== false) { | |
| 510 | - //error_log("MxChat: Updated {$update_result} existing actions to work with default bot"); | |
| 511 | - } | |
| 512 | - } | |
| 513 | - } | |
| 514 | -} | |
| 515 | - | |
| 516 | -/** | |
| 517 | - * Create Pinecone role restrictions table with multi-bot support | |
| 518 | - */ | |
| 519 | -function mxchat_create_pinecone_roles_table() { | |
| 520 | - global $wpdb; | |
| 521 | - | |
| 522 | - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles'; | |
| 523 | - $charset_collate = $wpdb->get_charset_collate(); | |
| 524 | - | |
| 525 | - $sql = "CREATE TABLE $table_name ( | |
| 526 | - id mediumint(9) NOT NULL AUTO_INCREMENT, | |
| 527 | - vector_id varchar(255) NOT NULL, | |
| 528 | - bot_id varchar(50) NOT NULL DEFAULT 'default', | |
| 529 | - source_url text, | |
| 530 | - role_restriction varchar(50) DEFAULT 'public', | |
| 531 | - updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, | |
| 532 | - PRIMARY KEY (id), | |
| 533 | - UNIQUE KEY vector_bot (vector_id, bot_id), | |
| 534 | - KEY role_restriction (role_restriction), | |
| 535 | - KEY bot_id (bot_id) | |
| 536 | - ) $charset_collate;"; | |
| 537 | - | |
| 538 | - require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); | |
| 539 | - dbDelta($sql); | |
| 540 | -} | |
| 541 | - | |
| 542 | -/** | |
| 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 | - * 2.5.2: Create queue processing tables for reliable background processing | |
| 647 | - */ | |
| 648 | -function mxchat_create_queue_tables() { | |
| 649 | - global $wpdb; | |
| 650 | - $charset_collate = $wpdb->get_charset_collate(); | |
| 651 | - | |
| 652 | - // Main queue table | |
| 653 | - $queue_table = $wpdb->prefix . 'mxchat_processing_queue'; | |
| 654 | - $sql_queue = "CREATE TABLE $queue_table ( | |
| 655 | - id bigint(20) unsigned NOT NULL AUTO_INCREMENT, | |
| 656 | - queue_id varchar(64) NOT NULL, | |
| 657 | - item_type varchar(20) NOT NULL, | |
| 658 | - item_data longtext NOT NULL, | |
| 659 | - status varchar(20) NOT NULL DEFAULT 'pending', | |
| 660 | - bot_id varchar(50) NOT NULL DEFAULT 'default', | |
| 661 | - priority int(11) NOT NULL DEFAULT 0, | |
| 662 | - attempts int(11) NOT NULL DEFAULT 0, | |
| 663 | - max_attempts int(11) NOT NULL DEFAULT 3, | |
| 664 | - error_message text DEFAULT NULL, | |
| 665 | - created_at datetime NOT NULL, | |
| 666 | - started_at datetime DEFAULT NULL, | |
| 667 | - completed_at datetime DEFAULT NULL, | |
| 668 | - PRIMARY KEY (id), | |
| 669 | - KEY queue_id (queue_id), | |
| 670 | - KEY status (status), | |
| 671 | - KEY item_type (item_type), | |
| 672 | - KEY priority (priority) | |
| 673 | - ) $charset_collate;"; | |
| 674 | - | |
| 675 | - // Queue metadata table | |
| 676 | - $meta_table = $wpdb->prefix . 'mxchat_queue_meta'; | |
| 677 | - $sql_meta = "CREATE TABLE $meta_table ( | |
| 678 | - id bigint(20) unsigned NOT NULL AUTO_INCREMENT, | |
| 679 | - queue_id varchar(64) NOT NULL, | |
| 680 | - meta_key varchar(255) NOT NULL, | |
| 681 | - meta_value longtext, | |
| 682 | - PRIMARY KEY (id), | |
| 683 | - KEY queue_id (queue_id), | |
| 684 | - KEY meta_key (meta_key) | |
| 685 | - ) $charset_collate;"; | |
| 686 | - | |
| 687 | - require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); | |
| 688 | - dbDelta($sql_queue); | |
| 689 | - dbDelta($sql_meta); | |
| 690 | - | |
| 691 | - //error_log("MxChat: Queue tables created/updated successfully"); | |
| 692 | -} | |
| 693 | - | |
| 694 | -/** | |
| 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 | - * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding) | |
| 720 | - * This fixes "url, source_url. The supplied values may be too long" errors | |
| 721 | - */ | |
| 722 | -function mxchat_fix_url_column_size() { | |
| 723 | - global $wpdb; | |
| 724 | - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content'; | |
| 725 | - | |
| 726 | - // Check if table exists | |
| 727 | - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; | |
| 728 | - if (!$table_exists) { | |
| 729 | - return; | |
| 730 | - } | |
| 731 | - | |
| 732 | - // Change url and source_url from VARCHAR to TEXT to handle long URLs | |
| 733 | - // This is especially important for URLs with UTF-8 encoded characters (Hebrew, Arabic, etc.) | |
| 734 | - $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN url TEXT"); | |
| 735 | - $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN source_url TEXT"); | |
| 736 | - | |
| 737 | - //error_log("MxChat: Successfully updated url and source_url columns to TEXT type for long URL support"); | |
| 738 | -} | |
| 739 | - | |
| 740 | -/** | |
| 741 | - * Migrate deprecated AI models to their replacements | |
| 742 | - * 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 | - */ | |
| 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 | -function mxchat_migrate_deprecated_models() { | |
| 756 | - $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) { | |
| 812 | - update_option('mxchat_options', $options); | |
| 813 | - update_option('mxchat_model_migrated_notice', true); | |
| 814 | - update_option('mxchat_model_migration_message', $migration_message); | |
| 815 | - } | |
| 816 | -} | |
| 817 | - | |
| 818 | -/** | |
| 819 | - * Show admin notice after model migration | |
| 820 | - */ | |
| 821 | -function mxchat_show_migration_notice() { | |
| 822 | - if (get_option('mxchat_model_migrated_notice')) { | |
| 823 | - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat')); | |
| 824 | - ?> | |
| 825 | - <div class="notice notice-info is-dismissible"> | |
| 826 | - <p> | |
| 827 | - <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br> | |
| 828 | - <?php echo esc_html($migration_message); ?> | |
| 829 | - </p> | |
| 830 | - </div> | |
| 831 | - <?php | |
| 832 | - delete_option('mxchat_model_migrated_notice'); | |
| 833 | - delete_option('mxchat_model_migration_message'); | |
| 834 | - } | |
| 835 | -} | |
| 836 | - | |
| 837 | -function mxchat_activate() { | |
| 838 | - global $wpdb; | |
| 839 | - $charset_collate = $wpdb->get_charset_collate(); | |
| 840 | - | |
| 841 | - //error_log("MxChat: Running activation function"); | |
| 842 | - | |
| 843 | - // Create chat transcripts table with improved function | |
| 844 | - mxchat_create_chat_transcripts_table(); | |
| 845 | - | |
| 846 | - // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns | |
| 847 | - $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; | |
| 848 | - $sql_system_prompt = "CREATE TABLE $system_prompt_table ( | |
| 849 | - id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, | |
| 850 | - url TEXT NOT NULL, | |
| 851 | - article_content LONGTEXT NOT NULL, | |
| 852 | - embedding_vector LONGTEXT, | |
| 853 | - source_url TEXT DEFAULT NULL, | |
| 854 | - role_restriction VARCHAR(50) DEFAULT 'public', | |
| 855 | - content_type VARCHAR(50) DEFAULT 'content', | |
| 856 | - timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, | |
| 857 | - PRIMARY KEY (id), | |
| 858 | - KEY content_type (content_type) | |
| 859 | - ) $charset_collate;"; | |
| 860 | - | |
| 861 | - // Intents Table - NOW INCLUDES enabled_bots column from the start | |
| 862 | - $intents_table = $wpdb->prefix . 'mxchat_intents'; | |
| 863 | - $sql_intents_table = "CREATE TABLE $intents_table ( | |
| 864 | - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT, | |
| 865 | - intent_label VARCHAR(255) NOT NULL, | |
| 866 | - phrases TEXT NOT NULL, | |
| 867 | - embedding_vector LONGTEXT NOT NULL, | |
| 868 | - callback_function VARCHAR(255) NOT NULL, | |
| 869 | - similarity_threshold FLOAT DEFAULT 0.85, | |
| 870 | - enabled TINYINT(1) NOT NULL DEFAULT 1, | |
| 871 | - enabled_bots LONGTEXT DEFAULT NULL, | |
| 872 | - PRIMARY KEY (id) | |
| 873 | - ) $charset_collate;"; | |
| 874 | - | |
| 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 | - ) $charset_collate;"; | |
| 886 | - | |
| 887 | - require_once ABSPATH . 'wp-admin/includes/upgrade.php'; | |
| 888 | - | |
| 889 | - // Create other tables | |
| 890 | - dbDelta($sql_system_prompt); | |
| 891 | - dbDelta($sql_intents_table); | |
| 892 | - dbDelta($sql_intent_phrases_table); | |
| 893 | - | |
| 894 | - // Create URL click tracking table | |
| 895 | - mxchat_create_url_clicks_table(); | |
| 896 | - | |
| 897 | - // Create Pinecone roles table | |
| 898 | - mxchat_create_pinecone_roles_table(); | |
| 899 | - | |
| 900 | - // NEW 2.5.2: Create queue processing tables | |
| 901 | - mxchat_create_queue_tables(); | |
| 902 | - | |
| 903 | - // Create transcript translations table | |
| 904 | - mxchat_create_translations_table(); | |
| 905 | - | |
| 906 | - // Ensure additional columns in system prompt table | |
| 907 | - $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table"); | |
| 908 | - if (!empty($existing_system_columns)) { | |
| 909 | - $existing_system_column_names = array_column($existing_system_columns, 'Field'); | |
| 910 | - | |
| 911 | - if (!in_array('embedding_vector', $existing_system_column_names)) { | |
| 912 | - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN embedding_vector LONGTEXT"); | |
| 913 | - } | |
| 914 | - if (!in_array('source_url', $existing_system_column_names)) { | |
| 915 | - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url TEXT DEFAULT NULL"); | |
| 916 | - } | |
| 917 | - if (!in_array('role_restriction', $existing_system_column_names)) { | |
| 918 | - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url"); | |
| 919 | - } | |
| 920 | - } | |
| 921 | - | |
| 922 | - // Set default thresholds for existing intents | |
| 923 | - $wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL"); | |
| 924 | - | |
| 925 | - // Ensure enabled column exists in intents table | |
| 926 | - $existing_intent_columns = $wpdb->get_results("SHOW COLUMNS FROM $intents_table"); | |
| 927 | - if (!empty($existing_intent_columns)) { | |
| 928 | - $existing_intent_column_names = array_column($existing_intent_columns, 'Field'); | |
| 929 | - | |
| 930 | - if (!in_array('enabled', $existing_intent_column_names)) { | |
| 931 | - $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled TINYINT(1) NOT NULL DEFAULT 1"); | |
| 932 | - } | |
| 933 | - | |
| 934 | - // Ensure enabled_bots column exists for existing installations | |
| 935 | - if (!in_array('enabled_bots', $existing_intent_column_names)) { | |
| 936 | - $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled"); | |
| 937 | - | |
| 938 | - // Set existing actions to work with default bot | |
| 939 | - $default_bots = json_encode(['default']); | |
| 940 | - $wpdb->query($wpdb->prepare( | |
| 941 | - "UPDATE {$intents_table} SET enabled_bots = %s WHERE enabled_bots IS NULL", | |
| 942 | - $default_bots | |
| 943 | - )); | |
| 944 | - } | |
| 945 | - } | |
| 946 | - | |
| 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 | - // Setup cron jobs | |
| 954 | - mxchat_setup_cron_jobs(); | |
| 955 | - | |
| 956 | - // Update version | |
| 957 | - update_option('mxchat_plugin_version', MXCHAT_VERSION); | |
| 958 | - | |
| 959 | - //error_log("MxChat: Activation function completed"); | |
| 960 | -} | |
| 961 | - | |
| 962 | -/** | |
| 963 | - * Setup cron jobs on plugin activation | |
| 964 | - */ | |
| 965 | -function mxchat_setup_cron_jobs() { | |
| 966 | - // Clear any existing cron jobs first | |
| 967 | - wp_clear_scheduled_hook('mxchat_reset_rate_limits'); | |
| 968 | - | |
| 969 | - // Check if WordPress cron is disabled | |
| 970 | - if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) { | |
| 971 | - // Set flag to use fallback system | |
| 972 | - update_option('mxchat_use_fallback_rate_limits', true); | |
| 973 | - update_option('mxchat_next_rate_limit_check', time() + 3600); | |
| 974 | - return; | |
| 975 | - } | |
| 976 | - | |
| 977 | - // Schedule the rate limit reset cron job | |
| 978 | - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits'); | |
| 979 | - | |
| 980 | - if ($result === false) { | |
| 981 | - // Fallback if scheduling fails | |
| 982 | - update_option('mxchat_use_fallback_rate_limits', true); | |
| 983 | - update_option('mxchat_next_rate_limit_check', time() + 3600); | |
| 984 | - } else { | |
| 985 | - // Clear fallback flags if cron scheduling succeeded | |
| 986 | - delete_option('mxchat_use_fallback_rate_limits'); | |
| 987 | - } | |
| 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 | -} | |
| 1003 | - | |
| 1004 | -/** | |
| 1005 | - * Clean up on plugin deactivation | |
| 1006 | - */ | |
| 1007 | -function mxchat_deactivate() { | |
| 1008 | - // Clear scheduled cron jobs | |
| 1009 | - 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 | - | |
| 1013 | - // Clear fallback options | |
| 1014 | - delete_option('mxchat_use_fallback_rate_limits'); | |
| 1015 | - delete_option('mxchat_next_rate_limit_check'); | |
| 1016 | - delete_option('mxchat_fallback_check_interval'); | |
| 1017 | - | |
| 1018 | - // NOTE: We do NOT delete queue tables on deactivation | |
| 1019 | - // This preserves data if user accidentally deactivates the plugin | |
| 1020 | -} | |
| 1021 | - | |
| 1022 | -/** | |
| 1023 | - * Check if fallback rate limit cleanup is needed | |
| 1024 | - */ | |
| 1025 | -function mxchat_check_fallback_rate_limits() { | |
| 1026 | - $use_fallback = get_option('mxchat_use_fallback_rate_limits', false); | |
| 1027 | - | |
| 1028 | - if (!$use_fallback) { | |
| 1029 | - return; | |
| 1030 | - } | |
| 1031 | - | |
| 1032 | - $next_check = get_option('mxchat_next_rate_limit_check', 0); | |
| 1033 | - | |
| 1034 | - if (time() >= $next_check) { | |
| 1035 | - // Only run reset if the MxChat_Integrator class exists | |
| 1036 | - if (class_exists('MxChat_Integrator')) { | |
| 1037 | - $integrator = new MxChat_Integrator(); | |
| 1038 | - if (method_exists($integrator, 'mxchat_reset_rate_limits')) { | |
| 1039 | - $integrator->mxchat_reset_rate_limits(); | |
| 1040 | - update_option('mxchat_next_rate_limit_check', time() + 3600); | |
| 1041 | - } | |
| 1042 | - } | |
| 1043 | - } | |
| 1044 | -} | |
| 1045 | - | |
| 1046 | -/** | |
| 1047 | - * Robust update checking with role restriction migration, model deprecation, and queue tables | |
| 1048 | - * CRITICAL: This runs on EVERY page load to ensure tables exist | |
| 1049 | - */ | |
| 1050 | -function mxchat_check_for_update() { | |
| 1051 | - global $wpdb; | |
| 1052 | - | |
| 1053 | - try { | |
| 1054 | - $current_version = get_option('mxchat_plugin_version', '0.0.0'); | |
| 1055 | - $plugin_version = MXCHAT_VERSION; | |
| 1056 | - | |
| 1057 | - // Always ensure critical tables exist (even if version matches) | |
| 1058 | - // This handles manual table deletion or fresh installs | |
| 1059 | - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts'; | |
| 1060 | - $queue_table = $wpdb->prefix . 'mxchat_processing_queue'; | |
| 1061 | - | |
| 1062 | - $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$chat_table'") === $chat_table; | |
| 1063 | - $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table; | |
| 1064 | - | |
| 1065 | - if (!$chat_exists || !$queue_exists) { | |
| 1066 | - //error_log("MxChat: Critical tables missing, running activation"); | |
| 1067 | - mxchat_activate(); | |
| 1068 | - } | |
| 1069 | - | |
| 1070 | - // Version-specific migrations | |
| 1071 | - if ($current_version !== $plugin_version) { | |
| 1072 | - //error_log("MxChat: Version change detected: $current_version -> $plugin_version"); | |
| 1073 | - | |
| 1074 | - // Run live agent update BEFORE updating the stored version | |
| 1075 | - mxchat_handle_live_agent_update(); | |
| 1076 | - | |
| 1077 | - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes) | |
| 1078 | - mxchat_handle_theme_migration_notice(); | |
| 1079 | - | |
| 1080 | - // Run role restriction migration for 2.4.1 | |
| 1081 | - if (version_compare($current_version, '2.4.1', '<')) { | |
| 1082 | - mxchat_add_role_restriction_column(); | |
| 1083 | - } | |
| 1084 | - | |
| 1085 | - // Run enabled_bots column migration for 2.4.4 | |
| 1086 | - if (version_compare($current_version, '2.4.4', '<')) { | |
| 1087 | - mxchat_add_enabled_bots_column(); | |
| 1088 | - } | |
| 1089 | - | |
| 1090 | - // Run model migration for 2.5.1 (Claude deprecation) | |
| 1091 | - if (version_compare($current_version, '2.5.1', '<')) { | |
| 1092 | - mxchat_migrate_deprecated_models(); | |
| 1093 | - } | |
| 1094 | - | |
| 1095 | - // 2.5.2: Ensure queue tables exist and fix URL column sizes for all users upgrading to 2.5.2 | |
| 1096 | - if (version_compare($current_version, '2.5.2', '<')) { | |
| 1097 | - mxchat_create_queue_tables(); | |
| 1098 | - mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs | |
| 1099 | - //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2"); | |
| 1100 | - } | |
| 1101 | - | |
| 1102 | - // 2.6.0: Ensure rag_context column exists for retrieved documents feature | |
| 1103 | - if (version_compare($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($current_version, '3.2.4', '<')) { | |
| 1133 | - mxchat_backfill_active_embedding_model(); | |
| 1134 | - } | |
| 1135 | - | |
| 1136 | - // Run full activation to ensure everything is up to date | |
| 1137 | - mxchat_activate(); | |
| 1138 | - | |
| 1139 | - // Run migration functions | |
| 1140 | - mxchat_migrate_live_agent_status(); | |
| 1141 | - | |
| 1142 | - // Add the cleanup function for version 2.1.8 | |
| 1143 | - if (version_compare($current_version, '2.1.8', '<')) { | |
| 1144 | - $deleted = mxchat_cleanup_orphaned_chat_history(); | |
| 1145 | - } | |
| 1146 | - | |
| 1147 | - // Update version LAST | |
| 1148 | - update_option('mxchat_plugin_version', $plugin_version); | |
| 1149 | - | |
| 1150 | - //error_log("MxChat: Updated from version $current_version to $plugin_version"); | |
| 1151 | - } | |
| 1152 | - | |
| 1153 | - } catch (Exception $e) { | |
| 1154 | - //error_log('MxChat update error: ' . $e->getMessage()); | |
| 1155 | - // Don't update version if there was an error | |
| 1156 | - } | |
| 1157 | -} | |
| 1158 | - | |
| 1159 | -/** | |
| 1160 | - * Ensure tables exist on every admin load for fresh installations | |
| 1161 | - * This is a safety net for cases where activation hook doesn't fire | |
| 1162 | - */ | |
| 1163 | -function mxchat_ensure_tables_exist() { | |
| 1164 | - global $wpdb; | |
| 1165 | - | |
| 1166 | - // Only run for admin users to avoid performance impact | |
| 1167 | - if (!current_user_can('administrator')) { | |
| 1168 | - return; | |
| 1169 | - } | |
| 1170 | - | |
| 1171 | - // Check if we've already verified tables in this session | |
| 1172 | - static $tables_checked = false; | |
| 1173 | - if ($tables_checked) { | |
| 1174 | - return; | |
| 1175 | - } | |
| 1176 | - $tables_checked = true; | |
| 1177 | - | |
| 1178 | - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; | |
| 1179 | - $queue_table = $wpdb->prefix . 'mxchat_processing_queue'; | |
| 1180 | - | |
| 1181 | - $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; | |
| 1182 | - $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table; | |
| 1183 | - | |
| 1184 | - if (!$chat_exists || !$queue_exists) { | |
| 1185 | - //error_log("MxChat: Tables missing on admin load, running activation"); | |
| 1186 | - mxchat_activate(); | |
| 1187 | - } | |
| 1188 | -} | |
| 1189 | - | |
| 1190 | -/** | |
| 1191 | - * Clean up orphaned chat history options from the wp_options table | |
| 1192 | - * @return int Number of options deleted | |
| 1193 | - */ | |
| 1194 | -function mxchat_cleanup_orphaned_chat_history() { | |
| 1195 | - global $wpdb; | |
| 1196 | - $count = 0; | |
| 1197 | - | |
| 1198 | - // Get all option keys that match our pattern | |
| 1199 | - $history_options = $wpdb->get_results( | |
| 1200 | - "SELECT option_name FROM {$wpdb->options} | |
| 1201 | - WHERE option_name LIKE 'mxchat_history_%'" | |
| 1202 | - ); | |
| 1203 | - | |
| 1204 | - if (!empty($history_options)) { | |
| 1205 | - foreach ($history_options as $option) { | |
| 1206 | - // Extract the session ID from the option name | |
| 1207 | - $session_id = str_replace('mxchat_history_', '', $option->option_name); | |
| 1208 | - | |
| 1209 | - // Check if this session still exists in the custom table | |
| 1210 | - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; | |
| 1211 | - $exists = $wpdb->get_var( | |
| 1212 | - $wpdb->prepare( | |
| 1213 | - "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s", | |
| 1214 | - $session_id | |
| 1215 | - ) | |
| 1216 | - ); | |
| 1217 | - | |
| 1218 | - // If session doesn't exist in the main table, delete the option | |
| 1219 | - if ($exists == 0) { | |
| 1220 | - delete_option($option->option_name); | |
| 1221 | - // Also delete related metadata | |
| 1222 | - delete_option("mxchat_email_{$session_id}"); | |
| 1223 | - delete_option("mxchat_name_{$session_id}"); | |
| 1224 | - delete_option("mxchat_agent_name_{$session_id}"); | |
| 1225 | - $count++; | |
| 1226 | - } | |
| 1227 | - } | |
| 1228 | - } | |
| 1229 | - | |
| 1230 | - return $count; | |
| 1231 | -} | |
| 1232 | - | |
| 1233 | -function mxchat_migrate_live_agent_status() { | |
| 1234 | - $options = get_option('mxchat_options', []); | |
| 1235 | - | |
| 1236 | - // Check if live_agent_status exists | |
| 1237 | - if (isset($options['live_agent_status'])) { | |
| 1238 | - $current_status = $options['live_agent_status']; | |
| 1239 | - $needs_update = false; | |
| 1240 | - | |
| 1241 | - // Convert to new format if needed | |
| 1242 | - if ($current_status === 'online') { | |
| 1243 | - $options['live_agent_status'] = 'on'; | |
| 1244 | - $needs_update = true; | |
| 1245 | - } else if ($current_status === 'offline') { | |
| 1246 | - $options['live_agent_status'] = 'off'; | |
| 1247 | - $needs_update = true; | |
| 1248 | - } else if (!in_array($current_status, ['on', 'off'])) { | |
| 1249 | - // Default to off for any unexpected values | |
| 1250 | - $options['live_agent_status'] = 'off'; | |
| 1251 | - $needs_update = true; | |
| 1252 | - } | |
| 1253 | - | |
| 1254 | - // Only update if needed | |
| 1255 | - if ($needs_update) { | |
| 1256 | - update_option('mxchat_options', $options); | |
| 1257 | - } | |
| 1258 | - } else { | |
| 1259 | - // If status doesn't exist, set default to off | |
| 1260 | - $options['live_agent_status'] = 'off'; | |
| 1261 | - update_option('mxchat_options', $options); | |
| 1262 | - } | |
| 1263 | -} | |
| 1264 | - | |
| 1265 | -function mxchat_handle_live_agent_update() { | |
| 1266 | - // Get the CURRENT stored version (before it gets updated) | |
| 1267 | - $current_version = get_option('mxchat_plugin_version', '0.0.0'); | |
| 1268 | - $new_version = '2.2.2'; | |
| 1269 | - | |
| 1270 | - // Only run this once for the update to 2.2.2 | |
| 1271 | - $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false); | |
| 1272 | - | |
| 1273 | - // Check if we're upgrading TO 2.2.2 and haven't handled this yet | |
| 1274 | - if (version_compare($current_version, $new_version, '<') && !$update_handled) { | |
| 1275 | - $options = get_option('mxchat_options', array()); | |
| 1276 | - | |
| 1277 | - // Check if live agent was previously enabled | |
| 1278 | - if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') { | |
| 1279 | - // Disable live agent | |
| 1280 | - $options['live_agent_status'] = 'off'; | |
| 1281 | - update_option('mxchat_options', $options); | |
| 1282 | - | |
| 1283 | - // Set flag to show the notification banner | |
| 1284 | - update_option('mxchat_show_live_agent_disabled_notice', true); | |
| 1285 | - } | |
| 1286 | - | |
| 1287 | - // Mark this update as handled | |
| 1288 | - update_option('mxchat_live_agent_update_2_2_2_handled', true); | |
| 1289 | - } | |
| 1290 | -} | |
| 1291 | - | |
| 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 | -// Initialize plugin safely | |
| 1321 | -function mxchat_init() { | |
| 1322 | - // Include all class files first | |
| 1323 | - mxchat_include_classes(); | |
| 1324 | - | |
| 1325 | - // Run update check (this also ensures tables exist) | |
| 1326 | - mxchat_check_for_update(); | |
| 1327 | - | |
| 1328 | - // CRITICAL: Ensure tables exist on admin pages (safety net) | |
| 1329 | - add_action('admin_init', 'mxchat_ensure_tables_exist', 1); | |
| 1330 | - | |
| 1331 | - // Add fallback rate limit check | |
| 1332 | - add_action('init', 'mxchat_check_fallback_rate_limits', 5); | |
| 1333 | - | |
| 1334 | - // Add migration notice hook | |
| 1335 | - add_action('admin_notices', 'mxchat_show_migration_notice'); | |
| 1336 | - | |
| 1337 | - // Initialize classes with error handling | |
| 1338 | - try { | |
| 1339 | - // Initialize admin classes | |
| 1340 | - if (is_admin()) { | |
| 1341 | - if (class_exists('MxChat_Knowledge_Manager')) { | |
| 1342 | - $mxchat_knowledge_manager = new MxChat_Knowledge_Manager(); | |
| 1343 | - | |
| 1344 | - if (class_exists('MxChat_Admin')) { | |
| 1345 | - $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager); | |
| 1346 | - } | |
| 1347 | - } | |
| 1348 | - | |
| 1349 | - // Initialize meta box class | |
| 1350 | - if (class_exists('MxChat_Meta_Box')) { | |
| 1351 | - new MxChat_Meta_Box(); | |
| 1352 | - } | |
| 1353 | - | |
| 1354 | - } | |
| 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 | - | |
| 1370 | - // Initialize public classes | |
| 1371 | - if (class_exists('MxChat_Public')) { | |
| 1372 | - $mxchat_public = new MxChat_Public(); | |
| 1373 | - } | |
| 1374 | - | |
| 1375 | - if (class_exists('MxChat_Integrator')) { | |
| 1376 | - global $mxchat_integrator; | |
| 1377 | - $mxchat_integrator = new MxChat_Integrator(); | |
| 1378 | - } | |
| 1379 | - | |
| 1380 | - } catch (Exception $e) { | |
| 1381 | - //error_log('MxChat initialization error: ' . $e->getMessage()); | |
| 1382 | - | |
| 1383 | - // Show admin notice if there's an error | |
| 1384 | - if (is_admin()) { | |
| 1385 | - add_action('admin_notices', function() use ($e) { | |
| 1386 | - echo '<div class="notice notice-error"><p>'; | |
| 1387 | - echo '<strong>MxChat Error:</strong> Plugin initialization failed. '; | |
| 1388 | - echo 'Please check error logs or contact support. Error: ' . esc_html($e->getMessage()); | |
| 1389 | - echo '</p></div>'; | |
| 1390 | - }); | |
| 1391 | - } | |
| 1392 | - } | |
| 1393 | -} | |
| 1394 | - | |
| 1395 | -// Run initialization on plugins_loaded | |
| 1396 | -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', $options); | |
| 1447 | - } | |
| 1448 | -} | |
| 1449 | - | |
| 1450 | -// Register activation hook | |
| 1451 | -register_activation_hook(__FILE__, 'mxchat_activate'); | |
| 1452 | - | |
| 1453 | -// Add cron schedule | |
| 1454 | -add_filter('cron_schedules', function($schedules) { | |
| 1455 | - $schedules['one_minute'] = array( | |
| 1456 | - 'interval' => 60, | |
| 1457 | - 'display' => 'Every Minute' | |
| 1458 | - ); | |
| 1459 | - return $schedules; | |
| 1460 | -}); | |
| 1461 | - | |
| 1462 | -// Register deactivation hook | |
| 1463 | -register_deactivation_hook(__FILE__, 'mxchat_deactivate'); | |
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Plugin Name: MxChat | |
| 4 | + * Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data. | |
| 5 | + * Version: 2.2.4 | |
| 6 | + * Author: MxChat | |
| 7 | + * Author URI: https://mxchat.ai | |
| 8 | + * License: GPLv2 or later | |
| 9 | + * License URI: https://www.gnu.org/licenses/gpl-2.0.html | |
| 10 | + * Text Domain: mxchat | |
| 11 | + * Domain Path: /languages | |
| 12 | + */ | |
| 13 | + | |
| 14 | +if (!defined('ABSPATH')) { | |
| 15 | + exit; // Exit if accessed directly. | |
| 16 | +} | |
| 17 | + | |
| 18 | +// Define plugin version constant for asset versioning | |
| 19 | +define('MXCHAT_VERSION', '2.2.4'); | |
| 20 | + | |
| 21 | +function mxchat_load_textdomain() { | |
| 22 | + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages'); | |
| 23 | +} | |
| 24 | +add_action('plugins_loaded', 'mxchat_load_textdomain'); | |
| 25 | + | |
| 26 | +// Include classes with error handling | |
| 27 | +function mxchat_include_classes() { | |
| 28 | + $class_files = array( | |
| 29 | + 'includes/class-mxchat-integrator.php', | |
| 30 | + 'includes/class-mxchat-admin.php', | |
| 31 | + 'includes/class-mxchat-public.php', | |
| 32 | + 'includes/class-mxchat-utils.php', | |
| 33 | + 'includes/class-mxchat-user.php', | |
| 34 | + 'includes/pdf-parser/alt_autoload.php', | |
| 35 | + 'includes/class-mxchat-word-handler.php', | |
| 36 | + 'admin/class-ajax-handler.php', | |
| 37 | + 'admin/class-pinecone-manager.php', | |
| 38 | + 'admin/class-knowledge-manager.php' | |
| 39 | + ); | |
| 40 | + | |
| 41 | + foreach ($class_files as $file) { | |
| 42 | + $file_path = plugin_dir_path(__FILE__) . $file; | |
| 43 | + if (file_exists($file_path)) { | |
| 44 | + require_once $file_path; | |
| 45 | + } else { | |
| 46 | + error_log('MxChat: Missing class file - ' . $file); | |
| 47 | + } | |
| 48 | + } | |
| 49 | +} | |
| 50 | + | |
| 51 | +function mxchat_activate() { | |
| 52 | + global $wpdb; | |
| 53 | + $charset_collate = $wpdb->get_charset_collate(); | |
| 54 | + | |
| 55 | + // Chat Transcripts Table | |
| 56 | + $chat_transcripts_table = $wpdb->prefix . 'mxchat_chat_transcripts'; | |
| 57 | + $sql_chat_transcripts = "CREATE TABLE $chat_transcripts_table ( | |
| 58 | + id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, | |
| 59 | + user_id MEDIUMINT(9) DEFAULT 0, | |
| 60 | + session_id VARCHAR(255) NOT NULL, | |
| 61 | + role VARCHAR(255) NOT NULL, | |
| 62 | + message TEXT NOT NULL, | |
| 63 | + user_email VARCHAR(255) DEFAULT NULL, | |
| 64 | + timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, | |
| 65 | + PRIMARY KEY (id) | |
| 66 | + ) $charset_collate;"; | |
| 67 | + | |
| 68 | + // System Prompt Content Table | |
| 69 | + $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; | |
| 70 | + $sql_system_prompt = "CREATE TABLE $system_prompt_table ( | |
| 71 | + id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, | |
| 72 | + url VARCHAR(255) NOT NULL, | |
| 73 | + article_content LONGTEXT NOT NULL, | |
| 74 | + embedding_vector LONGTEXT, | |
| 75 | + source_url VARCHAR(255) DEFAULT NULL, | |
| 76 | + timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, | |
| 77 | + PRIMARY KEY (id) | |
| 78 | + ) $charset_collate;"; | |
| 79 | + | |
| 80 | + // Intents Table | |
| 81 | + $intents_table = $wpdb->prefix . 'mxchat_intents'; | |
| 82 | + $sql_intents_table = "CREATE TABLE $intents_table ( | |
| 83 | + id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT, | |
| 84 | + intent_label VARCHAR(255) NOT NULL, | |
| 85 | + phrases TEXT NOT NULL, | |
| 86 | + embedding_vector LONGTEXT NOT NULL, | |
| 87 | + callback_function VARCHAR(255) NOT NULL, | |
| 88 | + similarity_threshold FLOAT DEFAULT 0.85, | |
| 89 | + PRIMARY KEY (id) | |
| 90 | + ) $charset_collate;"; | |
| 91 | + | |
| 92 | + require_once ABSPATH . 'wp-admin/includes/upgrade.php'; | |
| 93 | + | |
| 94 | + // Create or update tables | |
| 95 | + dbDelta($sql_chat_transcripts); | |
| 96 | + dbDelta($sql_system_prompt); | |
| 97 | + dbDelta($sql_intents_table); | |
| 98 | + | |
| 99 | + // Ensure additional columns in `mxchat_chat_transcripts` | |
| 100 | + mxchat_add_missing_columns($chat_transcripts_table, 'user_identifier', 'VARCHAR(255)'); | |
| 101 | + mxchat_add_missing_columns($chat_transcripts_table, 'user_email', 'VARCHAR(255) DEFAULT NULL'); | |
| 102 | + | |
| 103 | + // Ensure additional columns in `mxchat_system_prompt_content` | |
| 104 | + mxchat_add_missing_columns($system_prompt_table, 'embedding_vector', 'LONGTEXT'); | |
| 105 | + mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL'); | |
| 106 | + | |
| 107 | + // Set default thresholds for existing intents | |
| 108 | + $wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL"); | |
| 109 | + mxchat_add_missing_columns($intents_table, 'enabled', 'TINYINT(1) NOT NULL DEFAULT 1'); | |
| 110 | + | |
| 111 | + // Use the constant instead of hardcoded version | |
| 112 | + update_option('mxchat_plugin_version', MXCHAT_VERSION); | |
| 113 | +} | |
| 114 | + | |
| 115 | +function mxchat_add_missing_columns($table, $column_name, $column_type) { | |
| 116 | + global $wpdb; | |
| 117 | + $column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name)); | |
| 118 | + if (empty($column_exists)) { | |
| 119 | + $wpdb->query("ALTER TABLE $table ADD COLUMN $column_name $column_type"); | |
| 120 | + } | |
| 121 | +} | |
| 122 | + | |
| 123 | +function mxchat_check_for_update() { | |
| 124 | + try { | |
| 125 | + $current_version = get_option('mxchat_plugin_version'); | |
| 126 | + $plugin_version = MXCHAT_VERSION; | |
| 127 | + | |
| 128 | + if ($current_version !== $plugin_version) { | |
| 129 | + // Run live agent update BEFORE updating the stored version | |
| 130 | + mxchat_handle_live_agent_update(); | |
| 131 | + | |
| 132 | + // Run existing update processes | |
| 133 | + mxchat_activate(); | |
| 134 | + mxchat_migrate_live_agent_status(); | |
| 135 | + | |
| 136 | + // Add the new cleanup function for version 2.1.8 | |
| 137 | + if (version_compare($current_version, '2.1.8', '<')) { | |
| 138 | + $deleted = mxchat_cleanup_orphaned_chat_history(); | |
| 139 | + } | |
| 140 | + | |
| 141 | + // Update version LAST so the live agent update logic can work | |
| 142 | + update_option('mxchat_plugin_version', $plugin_version); | |
| 143 | + } | |
| 144 | + } catch (Exception $e) { | |
| 145 | + error_log('MxChat update error: ' . $e->getMessage()); | |
| 146 | + // Don't update version if there was an error | |
| 147 | + } | |
| 148 | +} | |
| 149 | + | |
| 150 | +/** | |
| 151 | + * Clean up orphaned chat history options from the wp_options table | |
| 152 | + * @return int Number of options deleted | |
| 153 | + */ | |
| 154 | +function mxchat_cleanup_orphaned_chat_history() { | |
| 155 | + global $wpdb; | |
| 156 | + $count = 0; | |
| 157 | + | |
| 158 | + // Get all option keys that match our pattern | |
| 159 | + $history_options = $wpdb->get_results( | |
| 160 | + "SELECT option_name FROM {$wpdb->options} | |
| 161 | + WHERE option_name LIKE 'mxchat_history_%'" | |
| 162 | + ); | |
| 163 | + | |
| 164 | + if (!empty($history_options)) { | |
| 165 | + foreach ($history_options as $option) { | |
| 166 | + // Extract the session ID from the option name | |
| 167 | + $session_id = str_replace('mxchat_history_', '', $option->option_name); | |
| 168 | + | |
| 169 | + // Check if this session still exists in the custom table | |
| 170 | + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; | |
| 171 | + $exists = $wpdb->get_var( | |
| 172 | + $wpdb->prepare( | |
| 173 | + "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s", | |
| 174 | + $session_id | |
| 175 | + ) | |
| 176 | + ); | |
| 177 | + | |
| 178 | + // If session doesn't exist in the main table, delete the option | |
| 179 | + if ($exists == 0) { | |
| 180 | + delete_option($option->option_name); | |
| 181 | + // Also delete related metadata | |
| 182 | + delete_option("mxchat_email_{$session_id}"); | |
| 183 | + delete_option("mxchat_agent_name_{$session_id}"); | |
| 184 | + $count++; | |
| 185 | + } | |
| 186 | + } | |
| 187 | + } | |
| 188 | + | |
| 189 | + return $count; | |
| 190 | +} | |
| 191 | + | |
| 192 | +function mxchat_migrate_live_agent_status() { | |
| 193 | + $options = get_option('mxchat_options', []); | |
| 194 | + | |
| 195 | + // Check if live_agent_status exists | |
| 196 | + if (isset($options['live_agent_status'])) { | |
| 197 | + $current_status = $options['live_agent_status']; | |
| 198 | + $needs_update = false; | |
| 199 | + | |
| 200 | + // Convert to new format if needed | |
| 201 | + if ($current_status === 'online') { | |
| 202 | + $options['live_agent_status'] = 'on'; | |
| 203 | + $needs_update = true; | |
| 204 | + } else if ($current_status === 'offline') { | |
| 205 | + $options['live_agent_status'] = 'off'; | |
| 206 | + $needs_update = true; | |
| 207 | + } else if (!in_array($current_status, ['on', 'off'])) { | |
| 208 | + // Default to off for any unexpected values | |
| 209 | + $options['live_agent_status'] = 'off'; | |
| 210 | + $needs_update = true; | |
| 211 | + } | |
| 212 | + | |
| 213 | + // Only update if needed | |
| 214 | + if ($needs_update) { | |
| 215 | + update_option('mxchat_options', $options); | |
| 216 | + } | |
| 217 | + } else { | |
| 218 | + // If status doesn't exist, set default to off | |
| 219 | + $options['live_agent_status'] = 'off'; | |
| 220 | + update_option('mxchat_options', $options); | |
| 221 | + } | |
| 222 | +} | |
| 223 | + | |
| 224 | +function mxchat_handle_live_agent_update() { | |
| 225 | + // Get the CURRENT stored version (before it gets updated) | |
| 226 | + $current_version = get_option('mxchat_plugin_version', '0.0.0'); | |
| 227 | + $new_version = '2.2.2'; | |
| 228 | + | |
| 229 | + // Only run this once for the update to 2.2.2 | |
| 230 | + $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false); | |
| 231 | + | |
| 232 | + // Check if we're upgrading TO 2.2.2 and haven't handled this yet | |
| 233 | + if (version_compare($current_version, $new_version, '<') && !$update_handled) { | |
| 234 | + $options = get_option('mxchat_options', array()); | |
| 235 | + | |
| 236 | + // Check if live agent was previously enabled | |
| 237 | + if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') { | |
| 238 | + // Disable live agent | |
| 239 | + $options['live_agent_status'] = 'off'; | |
| 240 | + update_option('mxchat_options', $options); | |
| 241 | + | |
| 242 | + // Set flag to show the notification banner | |
| 243 | + update_option('mxchat_show_live_agent_disabled_notice', true); | |
| 244 | + } | |
| 245 | + | |
| 246 | + // Mark this update as handled | |
| 247 | + update_option('mxchat_live_agent_update_2_2_2_handled', true); | |
| 248 | + } | |
| 249 | +} | |
| 250 | + | |
| 251 | +// Initialize plugin safely | |
| 252 | +function mxchat_init() { | |
| 253 | + // Include all class files first | |
| 254 | + mxchat_include_classes(); | |
| 255 | + | |
| 256 | + // Run update check | |
| 257 | + mxchat_check_for_update(); | |
| 258 | + | |
| 259 | + // Initialize classes with error handling | |
| 260 | + try { | |
| 261 | + // Initialize admin classes | |
| 262 | + if (is_admin()) { | |
| 263 | + if (class_exists('MxChat_Knowledge_Manager')) { | |
| 264 | + $mxchat_knowledge_manager = new MxChat_Knowledge_Manager(); | |
| 265 | + | |
| 266 | + if (class_exists('MxChat_Admin')) { | |
| 267 | + $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager); | |
| 268 | + } | |
| 269 | + } | |
| 270 | + } | |
| 271 | + | |
| 272 | + // Initialize public classes | |
| 273 | + if (class_exists('MxChat_Public')) { | |
| 274 | + $mxchat_public = new MxChat_Public(); | |
| 275 | + } | |
| 276 | + | |
| 277 | + if (class_exists('MxChat_Integrator')) { | |
| 278 | + $mxchat_integrator = new MxChat_Integrator(); | |
| 279 | + } | |
| 280 | + | |
| 281 | + } catch (Exception $e) { | |
| 282 | + error_log('MxChat initialization error: ' . $e->getMessage()); | |
| 283 | + | |
| 284 | + // Show admin notice if there's an error | |
| 285 | + if (is_admin()) { | |
| 286 | + add_action('admin_notices', function() use ($e) { | |
| 287 | + echo '<div class="notice notice-error"><p>'; | |
| 288 | + echo '<strong>MxChat Error:</strong> Plugin initialization failed. '; | |
| 289 | + echo 'Please check error logs or contact support. Error: ' . esc_html($e->getMessage()); | |
| 290 | + echo '</p></div>'; | |
| 291 | + }); | |
| 292 | + } | |
| 293 | + } | |
| 294 | +} | |
| 295 | + | |
| 296 | +// Run initialization on plugins_loaded | |
| 297 | +add_action('plugins_loaded', 'mxchat_init'); | |
| 298 | + | |
| 299 | +// Register activation hook | |
| 300 | +register_activation_hook(__FILE__, 'mxchat_activate'); | |
| 301 | + | |
| 302 | +// Add cron schedule | |
| 303 | +add_filter('cron_schedules', function($schedules) { | |
| 304 | + $schedules['one_minute'] = array( | |
| 305 | + 'interval' => 60, | |
| 306 | + 'display' => 'Every Minute' | |
| 307 | + ); | |
| 308 | + return $schedules; | |
| 309 | +}); | |
| 310 | + | |
| 311 | +// Register deactivation hook - wrap in a callback to ensure the integrator exists | |
| 312 | +register_deactivation_hook(__FILE__, function() { | |
| 313 | + if (class_exists('MxChat_Integrator')) { | |
| 314 | + $integrator = new MxChat_Integrator(); | |
| 315 | + if (method_exists($integrator, 'cleanup_cron_events')) { | |
| 316 | + $integrator->cleanup_cron_events(); | |
| 317 | + } | |
| 318 | + } | |
| 319 | +}); | |
