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MxChat – AI Chatbot & Content Generation for WordPress / 3.0.9
MxChat – AI Chatbot & Content Generation for WordPress v3.0.9
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← All changes | mxchat-basic.php +1185 -58 2.0.5 → 3.0.9 View file →
@@ -1,9 +1,10 @@
1 1 <?php
2 2 /**
3 3 * Plugin Name: MxChat
4 + * Plugin URI: https://mxchat.ai/
4 5 * Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
5 - * Version: 2.0.5
6 + * Version: 3.0.9
6 7 * Author: MxChat
7 8 * Author URI: https://mxchat.ai
8 9 * License: GPLv2 or later
9 10 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -14,31 +15,250 @@
14 15 if (!defined('ABSPATH')) {
15 16 exit; // Exit if accessed directly.
16 17 }
17 18
19 +// Define plugin version constant for asset versioning
20 +// Reads version from plugin header automatically
21 +if (!defined('MXCHAT_VERSION')) {
22 + $plugin_data = get_file_data(__FILE__, array('Version' => 'Version'), 'plugin');
23 + define('MXCHAT_VERSION', $plugin_data['Version']);
24 +}
18 25
19 26 function mxchat_load_textdomain() {
20 - load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
27 + $domain = 'mxchat';
28 + $locale = determine_locale();
29 +
30 + // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
31 + $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
32 + if (file_exists($mo_file)) {
33 + load_textdomain($domain, $mo_file);
34 + return;
35 + }
36 +
37 + // Fallback to plugin's /languages directory
38 + load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
21 39 }
22 -add_action('plugins_loaded', 'mxchat_load_textdomain');
40 +add_action('init', 'mxchat_load_textdomain');
23 41
24 -// Include classes
25 -require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-integrator.php';
26 -require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-admin.php';
27 -require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-public.php';
28 -require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-utils.php';
29 -require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-user.php';
30 -require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-woocommerce.php';
31 -require_once plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
32 -require_once plugin_dir_path(__FILE__) . 'includes/class-mxchat-word-handler.php';
42 +/**
43 + * Exclude MxChat assets from caching plugin optimizations
44 + *
45 + * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
46 + * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
47 + * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
48 + *
49 + * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
50 + * be excluded from any optimization that changes load order or timing.
51 + */
33 52
34 -function mxchat_activate() {
53 +// ── WP Rocket ────────────────────────────────────────────────────────────────
54 +
55 +// Exclude from Remove Unused CSS (RUCSS)
56 +add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
57 + if (!is_array($exclusions)) $exclusions = array();
58 + $exclusions[] = 'mxchat';
59 + return $exclusions;
60 +});
61 +
62 +// Exclude CSS from minification/combination
63 +add_filter('rocket_exclude_css', function($excluded) {
64 + if (!is_array($excluded)) $excluded = array();
65 + $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
66 + return $excluded;
67 +});
68 +
69 +// Exclude JS from minification/combination
70 +add_filter('rocket_exclude_js', function($excluded) {
71 + if (!is_array($excluded)) $excluded = array();
72 + $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
73 + $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
74 + $excluded[] = '/jquery-core';
75 + $excluded[] = '/jquery.min.js';
76 + $excluded[] = '/jquery.js';
77 + $excluded[] = '/jquery-migrate';
78 + return $excluded;
79 +});
80 +
81 +// Exclude JS from defer
82 +add_filter('rocket_exclude_defer_js', function($excluded) {
83 + if (!is_array($excluded)) $excluded = array();
84 + $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
85 + $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
86 + $excluded[] = '/jquery-core';
87 + $excluded[] = '/jquery.min.js';
88 + $excluded[] = '/jquery.js';
89 + $excluded[] = '/jquery-migrate';
90 + return $excluded;
91 +});
92 +
93 +// Exclude from delay JS execution
94 +add_filter('rocket_delay_js_exclusions', function($excluded) {
95 + if (!is_array($excluded)) $excluded = array();
96 + $excluded[] = 'mxchat';
97 + $excluded[] = 'chat-script';
98 + $excluded[] = 'floating-script';
99 + $excluded[] = '/jquery-core';
100 + $excluded[] = '/jquery.min.js';
101 + $excluded[] = '/jquery.js';
102 + $excluded[] = '/jquery-migrate';
103 + return $excluded;
104 +});
105 +
106 +// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
107 +
108 +// Exclude CSS from optimization
109 +add_filter('litespeed_optimize_css_excludes', function($excluded) {
110 + if (!is_array($excluded)) $excluded = array();
111 + $excluded[] = 'chat-style.css';
112 + return $excluded;
113 +});
114 +
115 +// Exclude JS from defer
116 +add_filter('litespeed_optm_js_defer_exc', function($excluded) {
117 + if (!is_array($excluded)) $excluded = array();
118 + $excluded[] = 'chat-script.js';
119 + $excluded[] = 'floating-script.js';
120 + $excluded[] = 'jquery.min.js';
121 + $excluded[] = 'jquery.js';
122 + return $excluded;
123 +});
124 +
125 +// Exclude JS from combining
126 +add_filter('litespeed_optm_js_exc', function($excluded) {
127 + if (!is_array($excluded)) $excluded = array();
128 + $excluded[] = 'chat-script.js';
129 + $excluded[] = 'floating-script.js';
130 + $excluded[] = 'jquery.min.js';
131 + $excluded[] = 'jquery.js';
132 + return $excluded;
133 +});
134 +
135 +// ── Autoptimize ──────────────────────────────────────────────────────────────
136 +
137 +// Exclude CSS from optimization (comma-separated strings)
138 +add_filter('autoptimize_filter_css_exclude', function($excluded) {
139 + if (!is_string($excluded)) $excluded = '';
140 + return $excluded . ', mxchat, chat-style.css';
141 +});
142 +
143 +// Exclude JS from optimization (comma-separated strings)
144 +add_filter('autoptimize_filter_js_exclude', function($excluded) {
145 + if (!is_string($excluded)) $excluded = '';
146 + return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
147 +});
148 +
149 +// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
150 +
151 +add_filter('sgo_js_minify_exclude', function($excluded) {
152 + if (!is_array($excluded)) $excluded = array();
153 + $excluded[] = 'chat-script.js';
154 + $excluded[] = 'floating-script.js';
155 + $excluded[] = 'jquery.min.js';
156 + return $excluded;
157 +});
158 +
159 +add_filter('sgo_javascript_combine_exclude', function($excluded) {
160 + if (!is_array($excluded)) $excluded = array();
161 + $excluded[] = 'chat-script.js';
162 + $excluded[] = 'floating-script.js';
163 + $excluded[] = 'jquery.min.js';
164 + return $excluded;
165 +});
166 +
167 +add_filter('sgo_js_async_exclude', function($excluded) {
168 + if (!is_array($excluded)) $excluded = array();
169 + $excluded[] = 'chat-script.js';
170 + $excluded[] = 'floating-script.js';
171 + $excluded[] = 'jquery.min.js';
172 + return $excluded;
173 +});
174 +
175 +// ── W3 Total Cache ───────────────────────────────────────────────────────────
176 +
177 +add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
178 + if (strpos($file, 'chat-script.js') !== false ||
179 + strpos($file, 'floating-script.js') !== false ||
180 + strpos($file, 'jquery.min.js') !== false ||
181 + strpos($file, 'jquery.js') !== false) {
182 + return false;
183 + }
184 + return $do_minify;
185 +}, 10, 3);
186 +
187 +// ── WP Super Cache ──────────────────────────────────────────────────────────
188 +
189 +add_filter('wpsc_rejected_uri', function($rejected) {
190 + if (!is_array($rejected)) $rejected = array();
191 + $rejected[] = 'wp-admin/admin-ajax.php';
192 + return $rejected;
193 +});
194 +
195 +// Include classes with error handling
196 +function mxchat_include_classes() {
197 + $class_files = array(
198 + 'includes/class-mxchat-integrator.php',
199 + 'includes/class-mxchat-admin.php',
200 + 'includes/class-mxchat-public.php',
201 + 'includes/class-mxchat-utils.php',
202 + 'includes/class-mxchat-user.php',
203 + 'includes/class-mxchat-meta-box.php',
204 + 'includes/class-mxchat-chunker.php',
205 + 'includes/pdf-parser/alt_autoload.php',
206 + 'includes/class-mxchat-word-handler.php',
207 + 'includes/class-mxchat-content-generator.php',
208 + 'admin/class-ajax-handler.php',
209 + 'admin/class-pinecone-manager.php',
210 + 'admin/class-knowledge-manager.php'
211 + );
212 +
213 + foreach ($class_files as $file) {
214 + $file_path = plugin_dir_path(__FILE__) . $file;
215 + if (file_exists($file_path)) {
216 + require_once $file_path;
217 + } else {
218 + //error_log('MxChat: Missing class file - ' . $file);
219 + }
220 + }
221 +}
222 +
223 +/**
224 + * Create URL click tracking table
225 + */
226 +function mxchat_create_url_clicks_table() {
35 227 global $wpdb;
228 +
229 + $table_name = $wpdb->prefix . 'mxchat_url_clicks';
230 +
36 231 $charset_collate = $wpdb->get_charset_collate();
232 +
233 + $sql = "CREATE TABLE $table_name (
234 + id mediumint(9) NOT NULL AUTO_INCREMENT,
235 + session_id varchar(100) NOT NULL,
236 + clicked_url text NOT NULL,
237 + message_context text,
238 + click_timestamp datetime DEFAULT CURRENT_TIMESTAMP,
239 + user_ip varchar(45),
240 + user_agent text,
241 + PRIMARY KEY (id),
242 + KEY session_id (session_id),
243 + KEY click_timestamp (click_timestamp)
244 + ) $charset_collate;";
245 +
246 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
247 + dbDelta($sql);
248 +}
37 249
38 - // Chat Transcripts Table
39 - $chat_transcripts_table = $wpdb->prefix . 'mxchat_chat_transcripts';
40 - $sql_chat_transcripts = "CREATE TABLE $chat_transcripts_table (
250 +/**
251 + * FIXED: Robust table creation and column management
252 + */
253 +function mxchat_create_chat_transcripts_table() {
254 + global $wpdb;
255 +
256 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
257 + $charset_collate = $wpdb->get_charset_collate();
258 +
259 + // Create table with ALL columns including user_name from the start
260 + $sql = "CREATE TABLE $table_name (
41 261 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
42 262 user_id MEDIUMINT(9) DEFAULT 0,
43 263 session_id VARCHAR(255) NOT NULL,
44 264 role VARCHAR(255) NOT NULL,
@@ -43,25 +263,485 @@
43 263 session_id VARCHAR(255) NOT NULL,
44 264 role VARCHAR(255) NOT NULL,
45 265 message TEXT NOT NULL,
46 266 user_email VARCHAR(255) DEFAULT NULL,
267 + user_name VARCHAR(100) DEFAULT NULL,
268 + user_identifier VARCHAR(255) DEFAULT NULL,
269 + originating_page_url TEXT DEFAULT NULL,
270 + originating_page_title VARCHAR(500) DEFAULT NULL,
47 271 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
48 - PRIMARY KEY (id)
272 + PRIMARY KEY (id),
273 + KEY session_id (session_id),
274 + KEY user_email (user_email),
275 + KEY timestamp (timestamp)
49 276 ) $charset_collate;";
277 +
278 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
279 + $result = dbDelta($sql);
280 +
281 + // Log the result for debugging
282 + if (empty($result)) {
283 + //error_log("MxChat: dbDelta returned empty result for chat transcripts table");
284 + } else {
285 + //error_log("MxChat: dbDelta result: " . print_r($result, true));
286 + }
287 +
288 + // IMPORTANT: Ensure all columns exist for existing installations
289 + mxchat_ensure_all_columns($table_name);
290 +}
50 291
51 - // System Prompt Content Table
292 +/**
293 + * Ensure all required columns exist (for upgrades)
294 + */
295 +function mxchat_ensure_all_columns($table_name) {
296 + global $wpdb;
297 +
298 + // First check if table exists
299 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
300 + if (!$table_exists) {
301 + //error_log("MxChat: Table $table_name does not exist, cannot add columns");
302 + return;
303 + }
304 +
305 + // Define all required columns and their types
306 + $required_columns = [
307 + 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
308 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
309 + 'user_name' => 'VARCHAR(100) DEFAULT NULL',
310 + 'originating_page_url' => 'TEXT DEFAULT NULL',
311 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
312 + 'rag_context' => 'LONGTEXT DEFAULT NULL'
313 + ];
314 +
315 + // Get existing columns
316 + $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
317 + if (empty($existing_columns)) {
318 + //error_log("MxChat: Could not get columns for table $table_name");
319 + return;
320 + }
321 +
322 + $existing_column_names = array_column($existing_columns, 'Field');
323 +
324 + // Add missing columns
325 + foreach ($required_columns as $column_name => $column_definition) {
326 + if (!in_array($column_name, $existing_column_names)) {
327 + $alter_sql = "ALTER TABLE $table_name ADD COLUMN $column_name $column_definition";
328 + $result = $wpdb->query($alter_sql);
329 +
330 + if ($result === false) {
331 + //error_log("MxChat: Failed to add column $column_name to $table_name. Error: " . $wpdb->last_error);
332 + } else {
333 + //error_log("MxChat: Successfully added column $column_name to $table_name");
334 + }
335 + }
336 + }
337 +}
338 +
339 +/**
340 + * Add role restriction column to knowledge base table
341 + */
342 +function mxchat_add_role_restriction_column() {
343 + global $wpdb;
344 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
345 +
346 + // Check if table exists first
347 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
348 + if (!$table_exists) {
349 + //error_log("MxChat: System prompt content table does not exist, cannot add role_restriction column");
350 + return;
351 + }
352 +
353 + // Check if column already exists
354 + $column_exists = $wpdb->get_results(
355 + $wpdb->prepare(
356 + "SHOW COLUMNS FROM {$table_name} LIKE %s",
357 + 'role_restriction'
358 + )
359 + );
360 +
361 + if (empty($column_exists)) {
362 + $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url";
363 + $result = $wpdb->query($alter_sql);
364 +
365 + if ($result === false) {
366 + //error_log("MxChat: Failed to add role_restriction column. Error: " . $wpdb->last_error);
367 + } else {
368 + //error_log("MxChat: Successfully added role_restriction column");
369 +
370 + // Set all existing records to 'public' (everyone can access)
371 + $update_result = $wpdb->query(
372 + "UPDATE {$table_name}
373 + SET role_restriction = 'public'
374 + WHERE role_restriction IS NULL OR role_restriction = ''"
375 + );
376 +
377 + if ($update_result !== false) {
378 + //error_log("MxChat: Updated {$update_result} existing records to public access");
379 + }
380 + }
381 + }
382 +}
383 +
384 +/**
385 + * Add enabled_bots column to intents table for multi-bot action filtering
386 + */
387 +function mxchat_add_enabled_bots_column() {
388 + global $wpdb;
389 + $table_name = $wpdb->prefix . 'mxchat_intents';
390 +
391 + // Check if table exists first
392 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
393 + if (!$table_exists) {
394 + //error_log("MxChat: Intents table does not exist, cannot add enabled_bots column");
395 + return;
396 + }
397 +
398 + // Check if column already exists
399 + $column_exists = $wpdb->get_results(
400 + $wpdb->prepare(
401 + "SHOW COLUMNS FROM {$table_name} LIKE %s",
402 + 'enabled_bots'
403 + )
404 + );
405 +
406 + if (empty($column_exists)) {
407 + $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled";
408 + $result = $wpdb->query($alter_sql);
409 +
410 + if ($result === false) {
411 + //error_log("MxChat: Failed to add enabled_bots column. Error: " . $wpdb->last_error);
412 + } else {
413 + //error_log("MxChat: Successfully added enabled_bots column");
414 +
415 + // Set all existing actions to work with 'default' bot for backward compatibility
416 + $default_bots = json_encode(['default']);
417 + $update_result = $wpdb->query(
418 + $wpdb->prepare(
419 + "UPDATE {$table_name}
420 + SET enabled_bots = %s
421 + WHERE enabled_bots IS NULL OR enabled_bots = ''",
422 + $default_bots
423 + )
424 + );
425 +
426 + if ($update_result !== false) {
427 + //error_log("MxChat: Updated {$update_result} existing actions to work with default bot");
428 + }
429 + }
430 + }
431 +}
432 +
433 +/**
434 + * Create Pinecone role restrictions table with multi-bot support
435 + */
436 +function mxchat_create_pinecone_roles_table() {
437 + global $wpdb;
438 +
439 + $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
440 + $charset_collate = $wpdb->get_charset_collate();
441 +
442 + $sql = "CREATE TABLE $table_name (
443 + id mediumint(9) NOT NULL AUTO_INCREMENT,
444 + vector_id varchar(255) NOT NULL,
445 + bot_id varchar(50) NOT NULL DEFAULT 'default',
446 + source_url text,
447 + role_restriction varchar(50) DEFAULT 'public',
448 + updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
449 + PRIMARY KEY (id),
450 + UNIQUE KEY vector_bot (vector_id, bot_id),
451 + KEY role_restriction (role_restriction),
452 + KEY bot_id (bot_id)
453 + ) $charset_collate;";
454 +
455 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
456 + dbDelta($sql);
457 +}
458 +
459 +/**
460 + * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
461 + * This migration runs once to update existing installations
462 + */
463 +function mxchat_migrate_pinecone_roles_add_bot_id() {
464 + global $wpdb;
465 +
466 + // Check if migration already ran
467 + $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
468 + if (version_compare($migration_version, '2.5.2', '>=')) {
469 + return; // Already migrated
470 + }
471 +
472 + $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
473 +
474 + // Check if table exists
475 + if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
476 + return; // Table doesn't exist yet
477 + }
478 +
479 + // Check if bot_id column already exists
480 + $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
481 +
482 + if (empty($column_exists)) {
483 + // Add bot_id column
484 + $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
485 +
486 + // Update the unique key to include bot_id
487 + $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
488 + $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
489 +
490 + // Add index for bot_id
491 + $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
492 +
493 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
494 + }
495 +
496 + // Mark migration as complete
497 + update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
498 +}
499 +
500 +/**
501 + * 2.5.6: Add content_type column to mxchat_system_prompt_content table
502 + * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
503 + */
504 +function mxchat_migrate_add_content_type_column() {
505 + global $wpdb;
506 +
507 + // Check if migration already ran
508 + $migration_version = get_option('mxchat_content_type_migration_version', '0');
509 + if (version_compare($migration_version, '2.5.6', '>=')) {
510 + return;
511 + }
512 +
513 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
514 +
515 + // Check if table exists
516 + if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
517 + return;
518 + }
519 +
520 + // Check if content_type column already exists
521 + $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
522 +
523 + if (empty($column_exists)) {
524 + // Add content_type column with default value 'content' for backwards compatibility
525 + $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
526 +
527 + // Add index for better query performance
528 + $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
529 +
530 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
531 + }
532 +
533 + // Mark migration as complete
534 + update_option('mxchat_content_type_migration_version', '2.5.6');
535 +}
536 +
537 +/**
538 + * 2.5.2: Create queue processing tables for reliable background processing
539 + */
540 +function mxchat_create_queue_tables() {
541 + global $wpdb;
542 + $charset_collate = $wpdb->get_charset_collate();
543 +
544 + // Main queue table
545 + $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
546 + $sql_queue = "CREATE TABLE $queue_table (
547 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
548 + queue_id varchar(64) NOT NULL,
549 + item_type varchar(20) NOT NULL,
550 + item_data longtext NOT NULL,
551 + status varchar(20) NOT NULL DEFAULT 'pending',
552 + bot_id varchar(50) NOT NULL DEFAULT 'default',
553 + priority int(11) NOT NULL DEFAULT 0,
554 + attempts int(11) NOT NULL DEFAULT 0,
555 + max_attempts int(11) NOT NULL DEFAULT 3,
556 + error_message text DEFAULT NULL,
557 + created_at datetime NOT NULL,
558 + started_at datetime DEFAULT NULL,
559 + completed_at datetime DEFAULT NULL,
560 + PRIMARY KEY (id),
561 + KEY queue_id (queue_id),
562 + KEY status (status),
563 + KEY item_type (item_type),
564 + KEY priority (priority)
565 + ) $charset_collate;";
566 +
567 + // Queue metadata table
568 + $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
569 + $sql_meta = "CREATE TABLE $meta_table (
570 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
571 + queue_id varchar(64) NOT NULL,
572 + meta_key varchar(255) NOT NULL,
573 + meta_value longtext,
574 + PRIMARY KEY (id),
575 + KEY queue_id (queue_id),
576 + KEY meta_key (meta_key)
577 + ) $charset_collate;";
578 +
579 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
580 + dbDelta($sql_queue);
581 + dbDelta($sql_meta);
582 +
583 + //error_log("MxChat: Queue tables created/updated successfully");
584 +}
585 +
586 +/**
587 + * Create transcript translations table for persisting translations
588 + */
589 +function mxchat_create_translations_table() {
590 + global $wpdb;
591 + $charset_collate = $wpdb->get_charset_collate();
592 +
593 + $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
594 + $sql = "CREATE TABLE $table_name (
595 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
596 + session_id varchar(255) NOT NULL,
597 + language_code varchar(10) NOT NULL,
598 + translations longtext NOT NULL,
599 + created_at datetime NOT NULL,
600 + updated_at datetime NOT NULL,
601 + PRIMARY KEY (id),
602 + UNIQUE KEY session_lang (session_id, language_code),
603 + KEY session_id (session_id)
604 + ) $charset_collate;";
605 +
606 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
607 + dbDelta($sql);
608 +}
609 +
610 +/**
611 + * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
612 + * This fixes "url, source_url. The supplied values may be too long" errors
613 + */
614 +function mxchat_fix_url_column_size() {
615 + global $wpdb;
616 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
617 +
618 + // Check if table exists
619 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
620 + if (!$table_exists) {
621 + return;
622 + }
623 +
624 + // Change url and source_url from VARCHAR to TEXT to handle long URLs
625 + // This is especially important for URLs with UTF-8 encoded characters (Hebrew, Arabic, etc.)
626 + $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN url TEXT");
627 + $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN source_url TEXT");
628 +
629 + //error_log("MxChat: Successfully updated url and source_url columns to TEXT type for long URL support");
630 +}
631 +
632 +/**
633 + * Migrate deprecated AI models to their replacements
634 + * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
635 + * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
636 + */
637 +function mxchat_migrate_deprecated_models() {
638 + $options = get_option('mxchat_options', array());
639 + $migrated = false;
640 + $migration_message = '';
641 +
642 + if (!isset($options['model'])) {
643 + return;
644 + }
645 +
646 + $current_model = $options['model'];
647 +
648 + // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
649 + $deprecated_claude_models = array(
650 + 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
651 + 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
652 + 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
653 + 'claude-3-opus-20240229', // Retired Jan 5, 2026
654 + 'claude-3-sonnet-20240229', // Legacy
655 + 'claude-3-haiku-20240307', // Legacy
656 + );
657 + if (in_array($current_model, $deprecated_claude_models, true)) {
658 + $options['model'] = 'claude-opus-4-6';
659 + $migrated = true;
660 + $migration_message = sprintf(
661 + __('Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.', 'mxchat'),
662 + $current_model
663 + );
664 + }
665 +
666 + // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
667 + if ($current_model === 'claude-3-5-haiku-20241022') {
668 + $options['model'] = 'claude-haiku-4-5-20251001';
669 + $migrated = true;
670 + $migration_message = __('Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.', 'mxchat');
671 + }
672 +
673 + // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
674 + if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
675 + $options['model'] = 'gpt-5.1-chat-latest';
676 + $migrated = true;
677 + $migration_message = sprintf(
678 + __('Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.', 'mxchat'),
679 + $current_model
680 + );
681 + }
682 +
683 + // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
684 + if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
685 + $options['model'] = 'gpt-5-mini';
686 + $migrated = true;
687 + $migration_message = sprintf(
688 + __('Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.', 'mxchat'),
689 + $current_model
690 + );
691 + }
692 +
693 + if ($migrated) {
694 + update_option('mxchat_options', $options);
695 + update_option('mxchat_model_migrated_notice', true);
696 + update_option('mxchat_model_migration_message', $migration_message);
697 + }
698 +}
699 +
700 +/**
701 + * Show admin notice after model migration
702 + */
703 +function mxchat_show_migration_notice() {
704 + if (get_option('mxchat_model_migrated_notice')) {
705 + $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
706 + ?>
707 + <div class="notice notice-info is-dismissible">
708 + <p>
709 + <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
710 + <?php echo esc_html($migration_message); ?>
711 + </p>
712 + </div>
713 + <?php
714 + delete_option('mxchat_model_migrated_notice');
715 + delete_option('mxchat_model_migration_message');
716 + }
717 +}
718 +
719 +function mxchat_activate() {
720 + global $wpdb;
721 + $charset_collate = $wpdb->get_charset_collate();
722 +
723 + //error_log("MxChat: Running activation function");
724 +
725 + // Create chat transcripts table with improved function
726 + mxchat_create_chat_transcripts_table();
727 +
728 + // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns
52 729 $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
53 730 $sql_system_prompt = "CREATE TABLE $system_prompt_table (
54 731 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
55 - url VARCHAR(255) NOT NULL,
732 + url TEXT NOT NULL,
56 733 article_content LONGTEXT NOT NULL,
57 734 embedding_vector LONGTEXT,
58 - source_url VARCHAR(255) DEFAULT NULL,
735 + source_url TEXT DEFAULT NULL,
736 + role_restriction VARCHAR(50) DEFAULT 'public',
737 + content_type VARCHAR(50) DEFAULT 'content',
59 738 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
60 - PRIMARY KEY (id)
739 + PRIMARY KEY (id),
740 + KEY content_type (content_type)
61 741 ) $charset_collate;";
62 742
63 - // Intents Table
743 + // Intents Table - NOW INCLUDES enabled_bots column from the start
64 744 $intents_table = $wpdb->prefix . 'mxchat_intents';
65 745 $sql_intents_table = "CREATE TABLE $intents_table (
66 746 id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
67 747 intent_label VARCHAR(255) NOT NULL,
@@ -68,51 +748,335 @@
68 748 phrases TEXT NOT NULL,
69 749 embedding_vector LONGTEXT NOT NULL,
70 750 callback_function VARCHAR(255) NOT NULL,
71 751 similarity_threshold FLOAT DEFAULT 0.85,
752 + enabled TINYINT(1) NOT NULL DEFAULT 1,
753 + enabled_bots LONGTEXT DEFAULT NULL,
72 754 PRIMARY KEY (id)
73 755 ) $charset_collate;";
74 756
75 757 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
76 758
77 - // Create or update tables
78 - dbDelta($sql_chat_transcripts);
759 + // Create other tables
79 760 dbDelta($sql_system_prompt);
80 761 dbDelta($sql_intents_table);
81 762
82 - // Ensure additional columns in `mxchat_chat_transcripts`
83 - mxchat_add_missing_columns($chat_transcripts_table, 'user_identifier', 'VARCHAR(255)');
84 - mxchat_add_missing_columns($chat_transcripts_table, 'user_email', 'VARCHAR(255) DEFAULT NULL');
763 + // Create URL click tracking table
764 + mxchat_create_url_clicks_table();
765 +
766 + // Create Pinecone roles table
767 + mxchat_create_pinecone_roles_table();
768 +
769 + // NEW 2.5.2: Create queue processing tables
770 + mxchat_create_queue_tables();
85 771
86 - // Ensure additional columns in `mxchat_system_prompt_content`
87 - mxchat_add_missing_columns($system_prompt_table, 'embedding_vector', 'LONGTEXT');
88 - mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL');
772 + // Create transcript translations table
773 + mxchat_create_translations_table();
89 774
775 + // Ensure additional columns in system prompt table
776 + $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
777 + if (!empty($existing_system_columns)) {
778 + $existing_system_column_names = array_column($existing_system_columns, 'Field');
779 +
780 + if (!in_array('embedding_vector', $existing_system_column_names)) {
781 + $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN embedding_vector LONGTEXT");
782 + }
783 + if (!in_array('source_url', $existing_system_column_names)) {
784 + $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url TEXT DEFAULT NULL");
785 + }
786 + if (!in_array('role_restriction', $existing_system_column_names)) {
787 + $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url");
788 + }
789 + }
790 +
90 791 // Set default thresholds for existing intents
91 792 $wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL");
793 +
794 + // Ensure enabled column exists in intents table
795 + $existing_intent_columns = $wpdb->get_results("SHOW COLUMNS FROM $intents_table");
796 + if (!empty($existing_intent_columns)) {
797 + $existing_intent_column_names = array_column($existing_intent_columns, 'Field');
798 +
799 + if (!in_array('enabled', $existing_intent_column_names)) {
800 + $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled TINYINT(1) NOT NULL DEFAULT 1");
801 + }
802 +
803 + // Ensure enabled_bots column exists for existing installations
804 + if (!in_array('enabled_bots', $existing_intent_column_names)) {
805 + $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled");
806 +
807 + // Set existing actions to work with default bot
808 + $default_bots = json_encode(['default']);
809 + $wpdb->query($wpdb->prepare(
810 + "UPDATE {$intents_table} SET enabled_bots = %s WHERE enabled_bots IS NULL",
811 + $default_bots
812 + ));
813 + }
814 + }
92 815
93 - // Update plugin version in the database
94 - update_option('mxchat_plugin_version', '2.0.5');
816 + // Run migration for existing installations
817 + mxchat_migrate_pinecone_roles_add_bot_id();
818 +
819 + // Setup cron jobs
820 + mxchat_setup_cron_jobs();
821 +
822 + // Update version
823 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
824 +
825 + //error_log("MxChat: Activation function completed");
95 826 }
96 827
828 +/**
829 + * Setup cron jobs on plugin activation
830 + */
831 +function mxchat_setup_cron_jobs() {
832 + // Clear any existing cron jobs first
833 + wp_clear_scheduled_hook('mxchat_reset_rate_limits');
834 +
835 + // Check if WordPress cron is disabled
836 + if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
837 + // Set flag to use fallback system
838 + update_option('mxchat_use_fallback_rate_limits', true);
839 + update_option('mxchat_next_rate_limit_check', time() + 3600);
840 + return;
841 + }
842 +
843 + // Schedule the rate limit reset cron job
844 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
845 +
846 + if ($result === false) {
847 + // Fallback if scheduling fails
848 + update_option('mxchat_use_fallback_rate_limits', true);
849 + update_option('mxchat_next_rate_limit_check', time() + 3600);
850 + } else {
851 + // Clear fallback flags if cron scheduling succeeded
852 + delete_option('mxchat_use_fallback_rate_limits');
853 + }
854 +
855 + // Schedule transcript cleanup if configured
856 + $transcript_options = get_option('mxchat_transcripts_options', array());
857 + $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
858 +
859 + if ($cleanup_interval !== 'never') {
860 + // Check if not already scheduled
861 + if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
862 + // Schedule to run daily at 3 AM
863 + $next_run = strtotime('tomorrow 3:00 AM');
864 + wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
865 + }
866 + }
867 +}
97 868
98 -function mxchat_add_missing_columns($table, $column_name, $column_type) {
869 +/**
870 + * Clean up on plugin deactivation
871 + */
872 +function mxchat_deactivate() {
873 + // Clear scheduled cron jobs
874 + wp_clear_scheduled_hook('mxchat_reset_rate_limits');
875 + wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
876 + wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
877 +
878 + // Clear fallback options
879 + delete_option('mxchat_use_fallback_rate_limits');
880 + delete_option('mxchat_next_rate_limit_check');
881 + delete_option('mxchat_fallback_check_interval');
882 +
883 + // NOTE: We do NOT delete queue tables on deactivation
884 + // This preserves data if user accidentally deactivates the plugin
885 +}
886 +
887 +/**
888 + * Check if fallback rate limit cleanup is needed
889 + */
890 +function mxchat_check_fallback_rate_limits() {
891 + $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
892 +
893 + if (!$use_fallback) {
894 + return;
895 + }
896 +
897 + $next_check = get_option('mxchat_next_rate_limit_check', 0);
898 +
899 + if (time() >= $next_check) {
900 + // Only run reset if the MxChat_Integrator class exists
901 + if (class_exists('MxChat_Integrator')) {
902 + $integrator = new MxChat_Integrator();
903 + if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
904 + $integrator->mxchat_reset_rate_limits();
905 + update_option('mxchat_next_rate_limit_check', time() + 3600);
906 + }
907 + }
908 + }
909 +}
910 +
911 +/**
912 + * Robust update checking with role restriction migration, model deprecation, and queue tables
913 + * CRITICAL: This runs on EVERY page load to ensure tables exist
914 + */
915 +function mxchat_check_for_update() {
99 916 global $wpdb;
100 - $column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name));
101 - if (empty($column_exists)) {
102 - $wpdb->query("ALTER TABLE $table ADD COLUMN $column_name $column_type");
917 +
918 + try {
919 + $current_version = get_option('mxchat_plugin_version', '0.0.0');
920 + $plugin_version = MXCHAT_VERSION;
921 +
922 + // Always ensure critical tables exist (even if version matches)
923 + // This handles manual table deletion or fresh installs
924 + $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
925 + $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
926 +
927 + $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$chat_table'") === $chat_table;
928 + $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
929 +
930 + if (!$chat_exists || !$queue_exists) {
931 + //error_log("MxChat: Critical tables missing, running activation");
932 + mxchat_activate();
933 + }
934 +
935 + // Version-specific migrations
936 + if ($current_version !== $plugin_version) {
937 + //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
938 +
939 + // Run live agent update BEFORE updating the stored version
940 + mxchat_handle_live_agent_update();
941 +
942 + // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
943 + mxchat_handle_theme_migration_notice();
944 +
945 + // Run role restriction migration for 2.4.1
946 + if (version_compare($current_version, '2.4.1', '<')) {
947 + mxchat_add_role_restriction_column();
948 + }
949 +
950 + // Run enabled_bots column migration for 2.4.4
951 + if (version_compare($current_version, '2.4.4', '<')) {
952 + mxchat_add_enabled_bots_column();
953 + }
954 +
955 + // Run model migration for 2.5.1 (Claude deprecation)
956 + if (version_compare($current_version, '2.5.1', '<')) {
957 + mxchat_migrate_deprecated_models();
958 + }
959 +
960 + // 2.5.2: Ensure queue tables exist and fix URL column sizes for all users upgrading to 2.5.2
961 + if (version_compare($current_version, '2.5.2', '<')) {
962 + mxchat_create_queue_tables();
963 + mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
964 + //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
965 + }
966 +
967 + // 2.6.0: Ensure rag_context column exists for retrieved documents feature
968 + if (version_compare($current_version, '2.6.0', '<')) {
969 + $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
970 + mxchat_ensure_all_columns($chat_table);
971 + //error_log("MxChat: rag_context column migration for 2.6.0");
972 + }
973 +
974 + // 3.0.5: Migrate deprecated Gemini embedding model
975 + if (version_compare($current_version, '3.0.5', '<')) {
976 + mxchat_migrate_gemini_embedding_model();
977 + }
978 +
979 + // 3.0.6: Migrate deprecated OpenAI and Claude models
980 + if (version_compare($current_version, '3.0.6', '<')) {
981 + mxchat_migrate_deprecated_models();
982 + }
983 +
984 + // Run full activation to ensure everything is up to date
985 + mxchat_activate();
986 +
987 + // Run migration functions
988 + mxchat_migrate_live_agent_status();
989 +
990 + // Add the cleanup function for version 2.1.8
991 + if (version_compare($current_version, '2.1.8', '<')) {
992 + $deleted = mxchat_cleanup_orphaned_chat_history();
993 + }
994 +
995 + // Update version LAST
996 + update_option('mxchat_plugin_version', $plugin_version);
997 +
998 + //error_log("MxChat: Updated from version $current_version to $plugin_version");
999 + }
1000 +
1001 + } catch (Exception $e) {
1002 + //error_log('MxChat update error: ' . $e->getMessage());
1003 + // Don't update version if there was an error
103 1004 }
104 1005 }
105 1006
106 -function mxchat_check_for_update() {
107 - $current_version = get_option('mxchat_plugin_version');
108 - $plugin_version = '2.0.5'; // Update with your latest version
1007 +/**
1008 + * Ensure tables exist on every admin load for fresh installations
1009 + * This is a safety net for cases where activation hook doesn't fire
1010 + */
1011 +function mxchat_ensure_tables_exist() {
1012 + global $wpdb;
1013 +
1014 + // Only run for admin users to avoid performance impact
1015 + if (!current_user_can('administrator')) {
1016 + return;
1017 + }
1018 +
1019 + // Check if we've already verified tables in this session
1020 + static $tables_checked = false;
1021 + if ($tables_checked) {
1022 + return;
1023 + }
1024 + $tables_checked = true;
1025 +
1026 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1027 + $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1028 +
1029 + $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
1030 + $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1031 +
1032 + if (!$chat_exists || !$queue_exists) {
1033 + //error_log("MxChat: Tables missing on admin load, running activation");
1034 + mxchat_activate();
1035 + }
1036 +}
109 1037
110 - if ($current_version !== $plugin_version) {
111 - mxchat_activate(); // Run the activation script to apply schema changes
112 - mxchat_migrate_live_agent_status(); // Add migration for live agent status
113 - update_option('mxchat_plugin_version', $plugin_version); // Update the version
1038 +/**
1039 + * Clean up orphaned chat history options from the wp_options table
1040 + * @return int Number of options deleted
1041 + */
1042 +function mxchat_cleanup_orphaned_chat_history() {
1043 + global $wpdb;
1044 + $count = 0;
1045 +
1046 + // Get all option keys that match our pattern
1047 + $history_options = $wpdb->get_results(
1048 + "SELECT option_name FROM {$wpdb->options}
1049 + WHERE option_name LIKE 'mxchat_history_%'"
1050 + );
1051 +
1052 + if (!empty($history_options)) {
1053 + foreach ($history_options as $option) {
1054 + // Extract the session ID from the option name
1055 + $session_id = str_replace('mxchat_history_', '', $option->option_name);
1056 +
1057 + // Check if this session still exists in the custom table
1058 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1059 + $exists = $wpdb->get_var(
1060 + $wpdb->prepare(
1061 + "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s",
1062 + $session_id
1063 + )
1064 + );
1065 +
1066 + // If session doesn't exist in the main table, delete the option
1067 + if ($exists == 0) {
1068 + delete_option($option->option_name);
1069 + // Also delete related metadata
1070 + delete_option("mxchat_email_{$session_id}");
1071 + delete_option("mxchat_name_{$session_id}");
1072 + delete_option("mxchat_agent_name_{$session_id}");
1073 + $count++;
1074 + }
1075 + }
114 1076 }
1077 +
1078 + return $count;
115 1079 }
116 1080
117 1081 function mxchat_migrate_live_agent_status() {
118 1082 $options = get_option('mxchat_options', []);
@@ -145,16 +1109,189 @@
145 1109 update_option('mxchat_options', $options);
146 1110 }
147 1111 }
148 1112
1113 +function mxchat_handle_live_agent_update() {
1114 + // Get the CURRENT stored version (before it gets updated)
1115 + $current_version = get_option('mxchat_plugin_version', '0.0.0');
1116 + $new_version = '2.2.2';
149 1117
150 -// Run the update check function on every request
151 -add_action('plugins_loaded', 'mxchat_check_for_update');
1118 + // Only run this once for the update to 2.2.2
1119 + $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
152 1120
1121 + // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1122 + if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1123 + $options = get_option('mxchat_options', array());
1124 +
1125 + // Check if live agent was previously enabled
1126 + if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1127 + // Disable live agent
1128 + $options['live_agent_status'] = 'off';
1129 + update_option('mxchat_options', $options);
1130 +
1131 + // Set flag to show the notification banner
1132 + update_option('mxchat_show_live_agent_disabled_notice', true);
1133 + }
1134 +
1135 + // Mark this update as handled
1136 + update_option('mxchat_live_agent_update_2_2_2_handled', true);
1137 + }
1138 +}
1139 +
1140 +/**
1141 + * Handle theme migration notice for version 3.0.1
1142 + * Shows a dismissible notice to Pro users about migrating AI-generated themes
1143 + */
1144 +function mxchat_handle_theme_migration_notice() {
1145 + // Get the CURRENT stored version (before it gets updated)
1146 + $current_version = get_option('mxchat_plugin_version', '0.0.0');
1147 + $target_version = '3.0.1';
1148 +
1149 + // Only run this once for the update to 3.0.1
1150 + $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1151 +
1152 + // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1153 + if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1154 + // Check if Pro is activated - only show to Pro users
1155 + $license_status = get_option('mxchat_license_status', 'inactive');
1156 + $is_pro = ($license_status === 'active' || $license_status === esc_html__('active', 'mxchat'));
1157 +
1158 + if ($is_pro) {
1159 + // Set flag to show the theme migration notification banner
1160 + update_option('mxchat_show_theme_migration_notice', true);
1161 + }
1162 +
1163 + // Mark this update as handled (whether Pro or not)
1164 + update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1165 + }
1166 +}
1167 +
1168 +// Initialize plugin safely
1169 +function mxchat_init() {
1170 + // Include all class files first
1171 + mxchat_include_classes();
1172 +
1173 + // Run update check (this also ensures tables exist)
1174 + mxchat_check_for_update();
1175 +
1176 + // CRITICAL: Ensure tables exist on admin pages (safety net)
1177 + add_action('admin_init', 'mxchat_ensure_tables_exist', 1);
1178 +
1179 + // Add fallback rate limit check
1180 + add_action('init', 'mxchat_check_fallback_rate_limits', 5);
1181 +
1182 + // Add migration notice hook
1183 + add_action('admin_notices', 'mxchat_show_migration_notice');
1184 +
1185 + // Initialize classes with error handling
1186 + try {
1187 + // Initialize admin classes
1188 + if (is_admin()) {
1189 + if (class_exists('MxChat_Knowledge_Manager')) {
1190 + $mxchat_knowledge_manager = new MxChat_Knowledge_Manager();
1191 +
1192 + if (class_exists('MxChat_Admin')) {
1193 + $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager);
1194 + }
1195 + }
1196 +
1197 + // Initialize meta box class
1198 + if (class_exists('MxChat_Meta_Box')) {
1199 + new MxChat_Meta_Box();
1200 + }
1201 +
1202 + }
1203 +
1204 + // Initialize content generator globally — it registers wp_head hook
1205 + // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1206 + if (class_exists('MxChat_Content_Generator')) {
1207 + new MxChat_Content_Generator();
1208 + }
1209 +
1210 + // Initialize public classes
1211 + if (class_exists('MxChat_Public')) {
1212 + $mxchat_public = new MxChat_Public();
1213 + }
1214 +
1215 + if (class_exists('MxChat_Integrator')) {
1216 + global $mxchat_integrator;
1217 + $mxchat_integrator = new MxChat_Integrator();
1218 + }
1219 +
1220 + } catch (Exception $e) {
1221 + //error_log('MxChat initialization error: ' . $e->getMessage());
1222 +
1223 + // Show admin notice if there's an error
1224 + if (is_admin()) {
1225 + add_action('admin_notices', function() use ($e) {
1226 + echo '<div class="notice notice-error"><p>';
1227 + echo '<strong>MxChat Error:</strong> Plugin initialization failed. ';
1228 + echo 'Please check error logs or contact support. Error: ' . esc_html($e->getMessage());
1229 + echo '</p></div>';
1230 + });
1231 + }
1232 + }
1233 +}
1234 +
1235 +// Run initialization on plugins_loaded
1236 +add_action('plugins_loaded', 'mxchat_init');
1237 +
1238 +// Run migration check on admin init (for auto-updates without reactivation)
1239 +add_action('admin_init', 'mxchat_check_and_run_migrations');
1240 +
1241 +/**
1242 + * Check and run migrations on admin init
1243 + * This ensures migrations run even when plugin is auto-updated
1244 + */
1245 +function mxchat_check_and_run_migrations() {
1246 + // Only run in admin and not on every request
1247 + static $checked = false;
1248 + if ($checked) {
1249 + return;
1250 + }
1251 + $checked = true;
1252 +
1253 + mxchat_migrate_pinecone_roles_add_bot_id();
1254 + mxchat_migrate_add_content_type_column();
1255 + mxchat_migrate_add_translations_table();
1256 +}
1257 +
1258 +/**
1259 + * Migration: Create transcript translations table (v3.0.4)
1260 + * For users upgrading from versions before 3.0.4
1261 + */
1262 +function mxchat_migrate_add_translations_table() {
1263 + $migration_key = 'mxchat_translations_table_created';
1264 +
1265 + // Check if migration already ran
1266 + if (get_option($migration_key)) {
1267 + return;
1268 + }
1269 +
1270 + // Create the translations table
1271 + mxchat_create_translations_table();
1272 +
1273 + // Mark migration as complete
1274 + update_option($migration_key, '3.0.4');
1275 +}
1276 +
1277 +/**
1278 + * Migration: Update deprecated Gemini embedding model (v3.0.5)
1279 + * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1280 + */
1281 +function mxchat_migrate_gemini_embedding_model() {
1282 + $options = get_option('mxchat_options', array());
1283 +
1284 + if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1285 + $options['embedding_model'] = 'gemini-embedding-001';
1286 + update_option('mxchat_options', $options);
1287 + }
1288 +}
1289 +
153 1290 // Register activation hook
154 1291 register_activation_hook(__FILE__, 'mxchat_activate');
155 1292
156 -
1293 +// Add cron schedule
157 1294 add_filter('cron_schedules', function($schedules) {
158 1295 $schedules['one_minute'] = array(
159 1296 'interval' => 60,
160 1297 'display' => 'Every Minute'
@@ -161,16 +1298,6 @@
161 1298 );
162 1299 return $schedules;
163 1300 });
164 1301
165 -add_action('init', function() {
166 - add_action('mxchat_process_pdf_pages', array('MxChat_Admin', 'process_pdf_pages_cron'), 10, 5);
167 - add_action('mxchat_process_sitemap_urls', array('MxChat_Admin', 'process_sitemap_urls_cron'), 10, 5);
168 -});
169 -
170 -
171 -// Instantiate classes
172 -if (is_admin()) {
173 - $mxchat_admin = new MxChat_Admin();
174 -}
175 -$mxchat_public = new MxChat_Public();
176 -$mxchat_integrator = new MxChat_Integrator();
1302 +// Register deactivation hook
1303 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');