| 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: 2.4.2 |
| 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', '2.4.2'); |
| 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 |
$class_files = array( |
| 29 |
'includes/class-mxchat-integrator.php', |
| 30 |
'includes/class-mxchat-admin.php', |
| 31 |
'includes/class-mxchat-public.php', |
| 32 |
'includes/class-mxchat-utils.php', |
| 33 |
'includes/class-mxchat-user.php', |
| 34 |
'includes/class-mxchat-meta-box.php', |
| 35 |
'includes/pdf-parser/alt_autoload.php', |
| 36 |
'includes/class-mxchat-word-handler.php', |
| 37 |
'admin/class-ajax-handler.php', |
| 38 |
'admin/class-pinecone-manager.php', |
| 39 |
'admin/class-knowledge-manager.php' |
| 40 |
); |
| 41 |
|
| 42 |
foreach ($class_files as $file) { |
| 43 |
$file_path = plugin_dir_path(__FILE__) . $file; |
| 44 |
if (file_exists($file_path)) { |
| 45 |
require_once $file_path; |
| 46 |
} else { |
| 47 |
//error_log('MxChat: Missing class file - ' . $file); |
| 48 |
} |
| 49 |
} |
| 50 |
} |
| 51 |
|
| 52 |
/** |
| 53 |
* Create URL click tracking table |
| 54 |
*/ |
| 55 |
function mxchat_create_url_clicks_table() { |
| 56 |
global $wpdb; |
| 57 |
|
| 58 |
$table_name = $wpdb->prefix . 'mxchat_url_clicks'; |
| 59 |
|
| 60 |
$charset_collate = $wpdb->get_charset_collate(); |
| 61 |
|
| 62 |
$sql = "CREATE TABLE $table_name ( |
| 63 |
id mediumint(9) NOT NULL AUTO_INCREMENT, |
| 64 |
session_id varchar(100) NOT NULL, |
| 65 |
clicked_url text NOT NULL, |
| 66 |
message_context text, |
| 67 |
click_timestamp datetime DEFAULT CURRENT_TIMESTAMP, |
| 68 |
user_ip varchar(45), |
| 69 |
user_agent text, |
| 70 |
PRIMARY KEY (id), |
| 71 |
KEY session_id (session_id), |
| 72 |
KEY click_timestamp (click_timestamp) |
| 73 |
) $charset_collate;"; |
| 74 |
|
| 75 |
require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); |
| 76 |
dbDelta($sql); |
| 77 |
} |
| 78 |
|
| 79 |
/** |
| 80 |
* FIXED: Robust table creation and column management |
| 81 |
*/ |
| 82 |
function mxchat_create_chat_transcripts_table() { |
| 83 |
global $wpdb; |
| 84 |
|
| 85 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 86 |
$charset_collate = $wpdb->get_charset_collate(); |
| 87 |
|
| 88 |
// Create table with ALL columns including user_name from the start |
| 89 |
$sql = "CREATE TABLE $table_name ( |
| 90 |
id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, |
| 91 |
user_id MEDIUMINT(9) DEFAULT 0, |
| 92 |
session_id VARCHAR(255) NOT NULL, |
| 93 |
role VARCHAR(255) NOT NULL, |
| 94 |
message TEXT NOT NULL, |
| 95 |
user_email VARCHAR(255) DEFAULT NULL, |
| 96 |
user_name VARCHAR(100) DEFAULT NULL, |
| 97 |
user_identifier VARCHAR(255) DEFAULT NULL, |
| 98 |
originating_page_url TEXT DEFAULT NULL, |
| 99 |
originating_page_title VARCHAR(500) DEFAULT NULL, |
| 100 |
timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, |
| 101 |
PRIMARY KEY (id), |
| 102 |
KEY session_id (session_id), |
| 103 |
KEY user_email (user_email), |
| 104 |
KEY timestamp (timestamp) |
| 105 |
) $charset_collate;"; |
| 106 |
|
| 107 |
require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); |
| 108 |
$result = dbDelta($sql); |
| 109 |
|
| 110 |
// Log the result for debugging |
| 111 |
if (empty($result)) { |
| 112 |
//error_log("MxChat: dbDelta returned empty result for chat transcripts table"); |
| 113 |
} else { |
| 114 |
//error_log("MxChat: dbDelta result: " . print_r($result, true)); |
| 115 |
} |
| 116 |
|
| 117 |
// IMPORTANT: Ensure all columns exist for existing installations |
| 118 |
mxchat_ensure_all_columns($table_name); |
| 119 |
} |
| 120 |
|
| 121 |
/** |
| 122 |
* Ensure all required columns exist (for upgrades) |
| 123 |
*/ |
| 124 |
function mxchat_ensure_all_columns($table_name) { |
| 125 |
global $wpdb; |
| 126 |
|
| 127 |
// First check if table exists |
| 128 |
$table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; |
| 129 |
if (!$table_exists) { |
| 130 |
//error_log("MxChat: Table $table_name does not exist, cannot add columns"); |
| 131 |
return; |
| 132 |
} |
| 133 |
|
| 134 |
// Define all required columns and their types |
| 135 |
$required_columns = [ |
| 136 |
'user_identifier' => 'VARCHAR(255) DEFAULT NULL', |
| 137 |
'user_email' => 'VARCHAR(255) DEFAULT NULL', |
| 138 |
'user_name' => 'VARCHAR(100) DEFAULT NULL', |
| 139 |
'originating_page_url' => 'TEXT DEFAULT NULL', |
| 140 |
'originating_page_title' => 'VARCHAR(500) DEFAULT NULL' |
| 141 |
]; |
| 142 |
|
| 143 |
// Get existing columns |
| 144 |
$existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name"); |
| 145 |
if (empty($existing_columns)) { |
| 146 |
//error_log("MxChat: Could not get columns for table $table_name"); |
| 147 |
return; |
| 148 |
} |
| 149 |
|
| 150 |
$existing_column_names = array_column($existing_columns, 'Field'); |
| 151 |
|
| 152 |
// Add missing columns |
| 153 |
foreach ($required_columns as $column_name => $column_definition) { |
| 154 |
if (!in_array($column_name, $existing_column_names)) { |
| 155 |
$alter_sql = "ALTER TABLE $table_name ADD COLUMN $column_name $column_definition"; |
| 156 |
$result = $wpdb->query($alter_sql); |
| 157 |
|
| 158 |
if ($result === false) { |
| 159 |
//error_log("MxChat: Failed to add column $column_name to $table_name. Error: " . $wpdb->last_error); |
| 160 |
} else { |
| 161 |
//error_log("MxChat: Successfully added column $column_name to $table_name"); |
| 162 |
} |
| 163 |
} |
| 164 |
} |
| 165 |
} |
| 166 |
|
| 167 |
/** |
| 168 |
* Add role restriction column to knowledge base table |
| 169 |
*/ |
| 170 |
function mxchat_add_role_restriction_column() { |
| 171 |
global $wpdb; |
| 172 |
$table_name = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 173 |
|
| 174 |
// Check if table exists first |
| 175 |
$table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; |
| 176 |
if (!$table_exists) { |
| 177 |
//error_log("MxChat: System prompt content table does not exist, cannot add role_restriction column"); |
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return; |
| 179 |
} |
| 180 |
|
| 181 |
// Check if column already exists |
| 182 |
$column_exists = $wpdb->get_results( |
| 183 |
$wpdb->prepare( |
| 184 |
"SHOW COLUMNS FROM {$table_name} LIKE %s", |
| 185 |
'role_restriction' |
| 186 |
) |
| 187 |
); |
| 188 |
|
| 189 |
if (empty($column_exists)) { |
| 190 |
$alter_sql = "ALTER TABLE {$table_name} ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url"; |
| 191 |
$result = $wpdb->query($alter_sql); |
| 192 |
|
| 193 |
if ($result === false) { |
| 194 |
//error_log("MxChat: Failed to add role_restriction column. Error: " . $wpdb->last_error); |
| 195 |
} else { |
| 196 |
//error_log("MxChat: Successfully added role_restriction column"); |
| 197 |
|
| 198 |
// Set all existing records to 'public' (everyone can access) |
| 199 |
$update_result = $wpdb->query( |
| 200 |
"UPDATE {$table_name} |
| 201 |
SET role_restriction = 'public' |
| 202 |
WHERE role_restriction IS NULL OR role_restriction = ''" |
| 203 |
); |
| 204 |
|
| 205 |
if ($update_result !== false) { |
| 206 |
//error_log("MxChat: Updated {$update_result} existing records to public access"); |
| 207 |
} |
| 208 |
} |
| 209 |
} |
| 210 |
} |
| 211 |
|
| 212 |
/** |
| 213 |
* NEW: Add enabled_bots column to intents table for multi-bot action filtering |
| 214 |
*/ |
| 215 |
function mxchat_add_enabled_bots_column() { |
| 216 |
global $wpdb; |
| 217 |
$table_name = $wpdb->prefix . 'mxchat_intents'; |
| 218 |
|
| 219 |
// Check if table exists first |
| 220 |
$table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; |
| 221 |
if (!$table_exists) { |
| 222 |
//error_log("MxChat: Intents table does not exist, cannot add enabled_bots column"); |
| 223 |
return; |
| 224 |
} |
| 225 |
|
| 226 |
// Check if column already exists |
| 227 |
$column_exists = $wpdb->get_results( |
| 228 |
$wpdb->prepare( |
| 229 |
"SHOW COLUMNS FROM {$table_name} LIKE %s", |
| 230 |
'enabled_bots' |
| 231 |
) |
| 232 |
); |
| 233 |
|
| 234 |
if (empty($column_exists)) { |
| 235 |
$alter_sql = "ALTER TABLE {$table_name} ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled"; |
| 236 |
$result = $wpdb->query($alter_sql); |
| 237 |
|
| 238 |
if ($result === false) { |
| 239 |
//error_log("MxChat: Failed to add enabled_bots column. Error: " . $wpdb->last_error); |
| 240 |
} else { |
| 241 |
//error_log("MxChat: Successfully added enabled_bots column"); |
| 242 |
|
| 243 |
// Set all existing actions to work with 'default' bot for backward compatibility |
| 244 |
$default_bots = json_encode(['default']); |
| 245 |
$update_result = $wpdb->query( |
| 246 |
$wpdb->prepare( |
| 247 |
"UPDATE {$table_name} |
| 248 |
SET enabled_bots = %s |
| 249 |
WHERE enabled_bots IS NULL OR enabled_bots = ''", |
| 250 |
$default_bots |
| 251 |
) |
| 252 |
); |
| 253 |
|
| 254 |
if ($update_result !== false) { |
| 255 |
//error_log("MxChat: Updated {$update_result} existing actions to work with default bot"); |
| 256 |
} |
| 257 |
} |
| 258 |
} |
| 259 |
} |
| 260 |
|
| 261 |
/** |
| 262 |
* Create Pinecone role restrictions table - UPDATED FOR 2.4.2 |
| 263 |
*/ |
| 264 |
function mxchat_create_pinecone_roles_table() { |
| 265 |
global $wpdb; |
| 266 |
|
| 267 |
$table_name = $wpdb->prefix . 'mxchat_pinecone_roles'; |
| 268 |
$charset_collate = $wpdb->get_charset_collate(); |
| 269 |
|
| 270 |
$sql = "CREATE TABLE $table_name ( |
| 271 |
id mediumint(9) NOT NULL AUTO_INCREMENT, |
| 272 |
vector_id varchar(255) NOT NULL, |
| 273 |
bot_id varchar(50) DEFAULT 'default', |
| 274 |
source_url text, |
| 275 |
role_restriction varchar(50) DEFAULT 'public', |
| 276 |
updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, |
| 277 |
PRIMARY KEY (id), |
| 278 |
UNIQUE KEY vector_bot (vector_id, bot_id), |
| 279 |
KEY role_restriction (role_restriction), |
| 280 |
KEY bot_id (bot_id) |
| 281 |
) $charset_collate;"; |
| 282 |
|
| 283 |
require_once(ABSPATH . 'wp-admin/includes/upgrade.php'); |
| 284 |
dbDelta($sql); |
| 285 |
} |
| 286 |
|
| 287 |
/** |
| 288 |
* Add bot_id column to pinecone_roles table for multi-bot support |
| 289 |
*/ |
| 290 |
function mxchat_add_bot_id_to_pinecone_roles() { |
| 291 |
global $wpdb; |
| 292 |
$table_name = $wpdb->prefix . 'mxchat_pinecone_roles'; |
| 293 |
|
| 294 |
// Check if table exists first |
| 295 |
$table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; |
| 296 |
if (!$table_exists) { |
| 297 |
//error_log("MxChat: Pinecone roles table does not exist, creating it"); |
| 298 |
mxchat_create_pinecone_roles_table(); |
| 299 |
return; |
| 300 |
} |
| 301 |
|
| 302 |
// Check if bot_id column already exists |
| 303 |
$column_exists = $wpdb->get_results( |
| 304 |
$wpdb->prepare( |
| 305 |
"SHOW COLUMNS FROM {$table_name} LIKE %s", |
| 306 |
'bot_id' |
| 307 |
) |
| 308 |
); |
| 309 |
|
| 310 |
if (empty($column_exists)) { |
| 311 |
// Add bot_id column |
| 312 |
$alter_sql = "ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) DEFAULT 'default' AFTER vector_id"; |
| 313 |
$result = $wpdb->query($alter_sql); |
| 314 |
|
| 315 |
if ($result === false) { |
| 316 |
//error_log("MxChat: Failed to add bot_id column to pinecone_roles. Error: " . $wpdb->last_error); |
| 317 |
} else { |
| 318 |
//error_log("MxChat: Successfully added bot_id column to pinecone_roles"); |
| 319 |
|
| 320 |
// Drop the old unique index if it exists |
| 321 |
$wpdb->query("ALTER TABLE {$table_name} DROP INDEX IF EXISTS vector_id"); |
| 322 |
|
| 323 |
// Add new composite unique index |
| 324 |
$wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)"); |
| 325 |
|
| 326 |
// Add bot_id index for better query performance |
| 327 |
$wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)"); |
| 328 |
|
| 329 |
//error_log("MxChat: Updated indexes for pinecone_roles table"); |
| 330 |
} |
| 331 |
} |
| 332 |
} |
| 333 |
|
| 334 |
function mxchat_activate() { |
| 335 |
global $wpdb; |
| 336 |
$charset_collate = $wpdb->get_charset_collate(); |
| 337 |
|
| 338 |
//error_log("MxChat: Running activation function"); |
| 339 |
|
| 340 |
// Create chat transcripts table with improved function |
| 341 |
mxchat_create_chat_transcripts_table(); |
| 342 |
|
| 343 |
// System Prompt Content Table |
| 344 |
$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content'; |
| 345 |
$sql_system_prompt = "CREATE TABLE $system_prompt_table ( |
| 346 |
id MEDIUMINT(9) NOT NULL AUTO_INCREMENT, |
| 347 |
url VARCHAR(255) NOT NULL, |
| 348 |
article_content LONGTEXT NOT NULL, |
| 349 |
embedding_vector LONGTEXT, |
| 350 |
source_url VARCHAR(255) DEFAULT NULL, |
| 351 |
role_restriction VARCHAR(50) DEFAULT 'public', |
| 352 |
timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL, |
| 353 |
PRIMARY KEY (id) |
| 354 |
) $charset_collate;"; |
| 355 |
|
| 356 |
// Intents Table - NOW INCLUDES enabled_bots column from the start |
| 357 |
$intents_table = $wpdb->prefix . 'mxchat_intents'; |
| 358 |
$sql_intents_table = "CREATE TABLE $intents_table ( |
| 359 |
id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT, |
| 360 |
intent_label VARCHAR(255) NOT NULL, |
| 361 |
phrases TEXT NOT NULL, |
| 362 |
embedding_vector LONGTEXT NOT NULL, |
| 363 |
callback_function VARCHAR(255) NOT NULL, |
| 364 |
similarity_threshold FLOAT DEFAULT 0.85, |
| 365 |
enabled TINYINT(1) NOT NULL DEFAULT 1, |
| 366 |
enabled_bots LONGTEXT DEFAULT NULL, |
| 367 |
PRIMARY KEY (id) |
| 368 |
) $charset_collate;"; |
| 369 |
|
| 370 |
require_once ABSPATH . 'wp-admin/includes/upgrade.php'; |
| 371 |
|
| 372 |
// Create other tables |
| 373 |
dbDelta($sql_system_prompt); |
| 374 |
dbDelta($sql_intents_table); |
| 375 |
|
| 376 |
// Create URL click tracking table |
| 377 |
mxchat_create_url_clicks_table(); |
| 378 |
|
| 379 |
// Create Pinecone roles table (updated for 2.4.2) |
| 380 |
mxchat_create_pinecone_roles_table(); |
| 381 |
|
| 382 |
// Ensure additional columns in system prompt table |
| 383 |
$existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table"); |
| 384 |
if (!empty($existing_system_columns)) { |
| 385 |
$existing_system_column_names = array_column($existing_system_columns, 'Field'); |
| 386 |
|
| 387 |
if (!in_array('embedding_vector', $existing_system_column_names)) { |
| 388 |
$wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN embedding_vector LONGTEXT"); |
| 389 |
} |
| 390 |
if (!in_array('source_url', $existing_system_column_names)) { |
| 391 |
$wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url VARCHAR(255) DEFAULT NULL"); |
| 392 |
} |
| 393 |
if (!in_array('role_restriction', $existing_system_column_names)) { |
| 394 |
$wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url"); |
| 395 |
} |
| 396 |
} |
| 397 |
|
| 398 |
// Set default thresholds for existing intents |
| 399 |
$wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL"); |
| 400 |
|
| 401 |
// Ensure enabled column exists in intents table |
| 402 |
$existing_intent_columns = $wpdb->get_results("SHOW COLUMNS FROM $intents_table"); |
| 403 |
if (!empty($existing_intent_columns)) { |
| 404 |
$existing_intent_column_names = array_column($existing_intent_columns, 'Field'); |
| 405 |
|
| 406 |
if (!in_array('enabled', $existing_intent_column_names)) { |
| 407 |
$wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled TINYINT(1) NOT NULL DEFAULT 1"); |
| 408 |
} |
| 409 |
|
| 410 |
// NEW: Ensure enabled_bots column exists for existing installations |
| 411 |
if (!in_array('enabled_bots', $existing_intent_column_names)) { |
| 412 |
$wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled"); |
| 413 |
|
| 414 |
// Set existing actions to work with default bot |
| 415 |
$default_bots = json_encode(['default']); |
| 416 |
$wpdb->query($wpdb->prepare( |
| 417 |
"UPDATE {$intents_table} SET enabled_bots = %s WHERE enabled_bots IS NULL", |
| 418 |
$default_bots |
| 419 |
)); |
| 420 |
} |
| 421 |
} |
| 422 |
|
| 423 |
// Setup cron jobs |
| 424 |
mxchat_setup_cron_jobs(); |
| 425 |
|
| 426 |
// Update version |
| 427 |
update_option('mxchat_plugin_version', MXCHAT_VERSION); |
| 428 |
|
| 429 |
//error_log("MxChat: Activation function completed"); |
| 430 |
} |
| 431 |
|
| 432 |
/** |
| 433 |
* Setup cron jobs on plugin activation |
| 434 |
*/ |
| 435 |
function mxchat_setup_cron_jobs() { |
| 436 |
// Clear any existing cron jobs first |
| 437 |
wp_clear_scheduled_hook('mxchat_reset_rate_limits'); |
| 438 |
|
| 439 |
// Check if WordPress cron is disabled |
| 440 |
if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) { |
| 441 |
// Set flag to use fallback system |
| 442 |
update_option('mxchat_use_fallback_rate_limits', true); |
| 443 |
update_option('mxchat_next_rate_limit_check', time() + 3600); |
| 444 |
return; |
| 445 |
} |
| 446 |
|
| 447 |
// Schedule the rate limit reset cron job |
| 448 |
$result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits'); |
| 449 |
|
| 450 |
if ($result === false) { |
| 451 |
// Fallback if scheduling fails |
| 452 |
update_option('mxchat_use_fallback_rate_limits', true); |
| 453 |
update_option('mxchat_next_rate_limit_check', time() + 3600); |
| 454 |
} else { |
| 455 |
// Clear fallback flags if cron scheduling succeeded |
| 456 |
delete_option('mxchat_use_fallback_rate_limits'); |
| 457 |
} |
| 458 |
} |
| 459 |
|
| 460 |
/** |
| 461 |
* Clean up on plugin deactivation |
| 462 |
*/ |
| 463 |
function mxchat_deactivate() { |
| 464 |
// Clear scheduled cron jobs |
| 465 |
wp_clear_scheduled_hook('mxchat_reset_rate_limits'); |
| 466 |
|
| 467 |
// Clear fallback options |
| 468 |
delete_option('mxchat_use_fallback_rate_limits'); |
| 469 |
delete_option('mxchat_next_rate_limit_check'); |
| 470 |
delete_option('mxchat_fallback_check_interval'); |
| 471 |
} |
| 472 |
|
| 473 |
/** |
| 474 |
* Check if fallback rate limit cleanup is needed |
| 475 |
*/ |
| 476 |
function mxchat_check_fallback_rate_limits() { |
| 477 |
$use_fallback = get_option('mxchat_use_fallback_rate_limits', false); |
| 478 |
|
| 479 |
if (!$use_fallback) { |
| 480 |
return; |
| 481 |
} |
| 482 |
|
| 483 |
$next_check = get_option('mxchat_next_rate_limit_check', 0); |
| 484 |
|
| 485 |
if (time() >= $next_check) { |
| 486 |
// Only run reset if the MxChat_Integrator class exists |
| 487 |
if (class_exists('MxChat_Integrator')) { |
| 488 |
$integrator = new MxChat_Integrator(); |
| 489 |
if (method_exists($integrator, 'mxchat_reset_rate_limits')) { |
| 490 |
$integrator->mxchat_reset_rate_limits(); |
| 491 |
update_option('mxchat_next_rate_limit_check', time() + 3600); |
| 492 |
} |
| 493 |
} |
| 494 |
} |
| 495 |
} |
| 496 |
|
| 497 |
/** |
| 498 |
* Robust update checking with role restriction migration |
| 499 |
*/ |
| 500 |
function mxchat_check_for_update() { |
| 501 |
global $wpdb; // CRITICAL: Declare this at the top |
| 502 |
|
| 503 |
try { |
| 504 |
$current_version = get_option('mxchat_plugin_version', '0.0.0'); |
| 505 |
$plugin_version = MXCHAT_VERSION; |
| 506 |
|
| 507 |
// Always run activation to ensure tables exist (safe for existing installations) |
| 508 |
if ($current_version !== $plugin_version) { |
| 509 |
//error_log("MxChat: Version change detected: $current_version -> $plugin_version"); |
| 510 |
|
| 511 |
// Run live agent update BEFORE updating the stored version |
| 512 |
mxchat_handle_live_agent_update(); |
| 513 |
|
| 514 |
// Run role restriction migration for 2.4.1 |
| 515 |
if (version_compare($current_version, '2.4.1', '<')) { |
| 516 |
mxchat_add_role_restriction_column(); |
| 517 |
} |
| 518 |
|
| 519 |
// Run enabled_bots column migration and bot_id migration for 2.4.2 |
| 520 |
if (version_compare($current_version, '2.4.2', '<')) { |
| 521 |
mxchat_add_enabled_bots_column(); |
| 522 |
mxchat_add_bot_id_to_pinecone_roles(); |
| 523 |
} |
| 524 |
|
| 525 |
// Run activation (this will create/update all tables and columns) |
| 526 |
mxchat_activate(); |
| 527 |
|
| 528 |
// Run migration functions |
| 529 |
mxchat_migrate_live_agent_status(); |
| 530 |
|
| 531 |
// Add the cleanup function for version 2.1.8 |
| 532 |
if (version_compare($current_version, '2.1.8', '<')) { |
| 533 |
$deleted = mxchat_cleanup_orphaned_chat_history(); |
| 534 |
} |
| 535 |
|
| 536 |
// Update version LAST |
| 537 |
update_option('mxchat_plugin_version', $plugin_version); |
| 538 |
|
| 539 |
//error_log("MxChat: Updated from version $current_version to $plugin_version"); |
| 540 |
} |
| 541 |
|
| 542 |
// CRITICAL: Always ensure tables exist, even if version matches |
| 543 |
// This handles cases where tables were manually deleted |
| 544 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 545 |
$table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; |
| 546 |
|
| 547 |
if (!$table_exists) { |
| 548 |
//error_log("MxChat: Chat transcripts table missing, recreating..."); |
| 549 |
mxchat_activate(); // Run full activation instead of just table creation |
| 550 |
} |
| 551 |
|
| 552 |
} catch (Exception $e) { |
| 553 |
//error_log('MxChat update error: ' . $e->getMessage()); |
| 554 |
// Don't update version if there was an error |
| 555 |
} |
| 556 |
} |
| 557 |
|
| 558 |
/** |
| 559 |
* Ensure tables exist on every load for fresh installations |
| 560 |
*/ |
| 561 |
function mxchat_ensure_tables_exist() { |
| 562 |
global $wpdb; |
| 563 |
|
| 564 |
// Only run for admin users to avoid performance impact |
| 565 |
if (!current_user_can('administrator')) { |
| 566 |
return; |
| 567 |
} |
| 568 |
|
| 569 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 570 |
$table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name; |
| 571 |
|
| 572 |
if (!$table_exists) { |
| 573 |
//error_log("MxChat: Tables missing on admin load, running activation"); |
| 574 |
mxchat_activate(); |
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
/** |
| 579 |
* Clean up orphaned chat history options from the wp_options table |
| 580 |
* @return int Number of options deleted |
| 581 |
*/ |
| 582 |
function mxchat_cleanup_orphaned_chat_history() { |
| 583 |
global $wpdb; |
| 584 |
$count = 0; |
| 585 |
|
| 586 |
// Get all option keys that match our pattern |
| 587 |
$history_options = $wpdb->get_results( |
| 588 |
"SELECT option_name FROM {$wpdb->options} |
| 589 |
WHERE option_name LIKE 'mxchat_history_%'" |
| 590 |
); |
| 591 |
|
| 592 |
if (!empty($history_options)) { |
| 593 |
foreach ($history_options as $option) { |
| 594 |
// Extract the session ID from the option name |
| 595 |
$session_id = str_replace('mxchat_history_', '', $option->option_name); |
| 596 |
|
| 597 |
// Check if this session still exists in the custom table |
| 598 |
$table_name = $wpdb->prefix . 'mxchat_chat_transcripts'; |
| 599 |
$exists = $wpdb->get_var( |
| 600 |
$wpdb->prepare( |
| 601 |
"SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s", |
| 602 |
$session_id |
| 603 |
) |
| 604 |
); |
| 605 |
|
| 606 |
// If session doesn't exist in the main table, delete the option |
| 607 |
if ($exists == 0) { |
| 608 |
delete_option($option->option_name); |
| 609 |
// Also delete related metadata |
| 610 |
delete_option("mxchat_email_{$session_id}"); |
| 611 |
delete_option("mxchat_name_{$session_id}"); |
| 612 |
delete_option("mxchat_agent_name_{$session_id}"); |
| 613 |
$count++; |
| 614 |
} |
| 615 |
} |
| 616 |
} |
| 617 |
|
| 618 |
return $count; |
| 619 |
} |
| 620 |
|
| 621 |
function mxchat_migrate_live_agent_status() { |
| 622 |
$options = get_option('mxchat_options', []); |
| 623 |
|
| 624 |
// Check if live_agent_status exists |
| 625 |
if (isset($options['live_agent_status'])) { |
| 626 |
$current_status = $options['live_agent_status']; |
| 627 |
$needs_update = false; |
| 628 |
|
| 629 |
// Convert to new format if needed |
| 630 |
if ($current_status === 'online') { |
| 631 |
$options['live_agent_status'] = 'on'; |
| 632 |
$needs_update = true; |
| 633 |
} else if ($current_status === 'offline') { |
| 634 |
$options['live_agent_status'] = 'off'; |
| 635 |
$needs_update = true; |
| 636 |
} else if (!in_array($current_status, ['on', 'off'])) { |
| 637 |
// Default to off for any unexpected values |
| 638 |
$options['live_agent_status'] = 'off'; |
| 639 |
$needs_update = true; |
| 640 |
} |
| 641 |
|
| 642 |
// Only update if needed |
| 643 |
if ($needs_update) { |
| 644 |
update_option('mxchat_options', $options); |
| 645 |
} |
| 646 |
} else { |
| 647 |
// If status doesn't exist, set default to off |
| 648 |
$options['live_agent_status'] = 'off'; |
| 649 |
update_option('mxchat_options', $options); |
| 650 |
} |
| 651 |
} |
| 652 |
|
| 653 |
function mxchat_handle_live_agent_update() { |
| 654 |
// Get the CURRENT stored version (before it gets updated) |
| 655 |
$current_version = get_option('mxchat_plugin_version', '0.0.0'); |
| 656 |
$new_version = '2.2.2'; |
| 657 |
|
| 658 |
// Only run this once for the update to 2.2.2 |
| 659 |
$update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false); |
| 660 |
|
| 661 |
// Check if we're upgrading TO 2.2.2 and haven't handled this yet |
| 662 |
if (version_compare($current_version, $new_version, '<') && !$update_handled) { |
| 663 |
$options = get_option('mxchat_options', array()); |
| 664 |
|
| 665 |
// Check if live agent was previously enabled |
| 666 |
if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') { |
| 667 |
// Disable live agent |
| 668 |
$options['live_agent_status'] = 'off'; |
| 669 |
update_option('mxchat_options', $options); |
| 670 |
|
| 671 |
// Set flag to show the notification banner |
| 672 |
update_option('mxchat_show_live_agent_disabled_notice', true); |
| 673 |
} |
| 674 |
|
| 675 |
// Mark this update as handled |
| 676 |
update_option('mxchat_live_agent_update_2_2_2_handled', true); |
| 677 |
} |
| 678 |
} |
| 679 |
|
| 680 |
// Initialize plugin safely |
| 681 |
function mxchat_init() { |
| 682 |
// Include all class files first |
| 683 |
mxchat_include_classes(); |
| 684 |
|
| 685 |
// Run update check |
| 686 |
mxchat_check_for_update(); |
| 687 |
|
| 688 |
// CRITICAL: Ensure tables exist (for fresh installations that don't trigger activation hook) |
| 689 |
add_action('admin_init', 'mxchat_ensure_tables_exist', 1); |
| 690 |
|
| 691 |
// Add fallback rate limit check |
| 692 |
add_action('init', 'mxchat_check_fallback_rate_limits', 5); |
| 693 |
|
| 694 |
// Initialize classes with error handling |
| 695 |
try { |
| 696 |
// Initialize admin classes |
| 697 |
if (is_admin()) { |
| 698 |
if (class_exists('MxChat_Knowledge_Manager')) { |
| 699 |
$mxchat_knowledge_manager = new MxChat_Knowledge_Manager(); |
| 700 |
|
| 701 |
if (class_exists('MxChat_Admin')) { |
| 702 |
$mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager); |
| 703 |
} |
| 704 |
} |
| 705 |
|
| 706 |
// Initialize meta box class |
| 707 |
if (class_exists('MxChat_Meta_Box')) { |
| 708 |
new MxChat_Meta_Box(); |
| 709 |
} |
| 710 |
} |
| 711 |
|
| 712 |
// Initialize public classes |
| 713 |
if (class_exists('MxChat_Public')) { |
| 714 |
$mxchat_public = new MxChat_Public(); |
| 715 |
} |
| 716 |
|
| 717 |
if (class_exists('MxChat_Integrator')) { |
| 718 |
$mxchat_integrator = new MxChat_Integrator(); |
| 719 |
} |
| 720 |
|
| 721 |
} catch (Exception $e) { |
| 722 |
//error_log('MxChat initialization error: ' . $e->getMessage()); |
| 723 |
|
| 724 |
// Show admin notice if there's an error |
| 725 |
if (is_admin()) { |
| 726 |
add_action('admin_notices', function() use ($e) { |
| 727 |
echo '<div class="notice notice-error"><p>'; |
| 728 |
echo '<strong>MxChat Error:</strong> Plugin initialization failed. '; |
| 729 |
echo 'Please check error logs or contact support. Error: ' . esc_html($e->getMessage()); |
| 730 |
echo '</p></div>'; |
| 731 |
}); |
| 732 |
} |
| 733 |
} |
| 734 |
} |
| 735 |
|
| 736 |
// Run initialization on plugins_loaded |
| 737 |
add_action('plugins_loaded', 'mxchat_init'); |
| 738 |
|
| 739 |
// Register activation hook |
| 740 |
register_activation_hook(__FILE__, 'mxchat_activate'); |
| 741 |
|
| 742 |
// Add cron schedule |
| 743 |
add_filter('cron_schedules', function($schedules) { |
| 744 |
$schedules['one_minute'] = array( |
| 745 |
'interval' => 60, |
| 746 |
'display' => 'Every Minute' |
| 747 |
); |
| 748 |
return $schedules; |
| 749 |
}); |
| 750 |
|
| 751 |
// Register deactivation hook |
| 752 |
register_deactivation_hook(__FILE__, 'mxchat_deactivate'); |
