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MxChat – AI Chatbot & Content Generation for WordPress / 3.0.7
MxChat – AI Chatbot & Content Generation for WordPress v3.0.7
3.2.21 3.2.20 3.2.19 3.2.18 3.2.17 3.2.16 3.2.15 3.2.14 3.2.12 3.2.13 3.2.11 3.2.10 3.2.9 3.2.8 3.2.7 3.2.6 3.2.5 3.2.4 3.2.3 3.2.2 3.2.1 2.0.3 2.0.4 2.0.5 2.0.6 All 152 releases
← All changes | mxchat-basic.php +1024 -58 2.0.4 → 3.0.7 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: 2.0.4
6 + * Version: 3.0.7
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 +15,96 @@
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 +// Include classes with error handling
43 +function mxchat_include_classes() {
44 + $class_files = array(
45 + 'includes/class-mxchat-integrator.php',
46 + 'includes/class-mxchat-admin.php',
47 + 'includes/class-mxchat-public.php',
48 + 'includes/class-mxchat-utils.php',
49 + 'includes/class-mxchat-user.php',
50 + 'includes/class-mxchat-meta-box.php',
51 + 'includes/class-mxchat-chunker.php',
52 + 'includes/pdf-parser/alt_autoload.php',
53 + 'includes/class-mxchat-word-handler.php',
54 + 'admin/class-ajax-handler.php',
55 + 'admin/class-pinecone-manager.php',
56 + 'admin/class-knowledge-manager.php'
57 + );
33 58
34 -function mxchat_activate() {
59 + foreach ($class_files as $file) {
60 + $file_path = plugin_dir_path(__FILE__) . $file;
61 + if (file_exists($file_path)) {
62 + require_once $file_path;
63 + } else {
64 + //error_log('MxChat: Missing class file - ' . $file);
65 + }
66 + }
67 +}
68 +
69 +/**
70 + * Create URL click tracking table
71 + */
72 +function mxchat_create_url_clicks_table() {
35 73 global $wpdb;
74 +
75 + $table_name = $wpdb->prefix . 'mxchat_url_clicks';
76 +
36 77 $charset_collate = $wpdb->get_charset_collate();
78 +
79 + $sql = "CREATE TABLE $table_name (
80 + id mediumint(9) NOT NULL AUTO_INCREMENT,
81 + session_id varchar(100) NOT NULL,
82 + clicked_url text NOT NULL,
83 + message_context text,
84 + click_timestamp datetime DEFAULT CURRENT_TIMESTAMP,
85 + user_ip varchar(45),
86 + user_agent text,
87 + PRIMARY KEY (id),
88 + KEY session_id (session_id),
89 + KEY click_timestamp (click_timestamp)
90 + ) $charset_collate;";
91 +
92 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
93 + dbDelta($sql);
94 +}
37 95
38 - // Chat Transcripts Table
39 - $chat_transcripts_table = $wpdb->prefix . 'mxchat_chat_transcripts';
40 - $sql_chat_transcripts = "CREATE TABLE $chat_transcripts_table (
96 +/**
97 + * FIXED: Robust table creation and column management
98 + */
99 +function mxchat_create_chat_transcripts_table() {
100 + global $wpdb;
101 +
102 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
103 + $charset_collate = $wpdb->get_charset_collate();
104 +
105 + // Create table with ALL columns including user_name from the start
106 + $sql = "CREATE TABLE $table_name (
41 107 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
42 108 user_id MEDIUMINT(9) DEFAULT 0,
43 109 session_id VARCHAR(255) NOT NULL,
44 110 role VARCHAR(255) NOT NULL,
@@ -43,25 +109,485 @@
43 109 session_id VARCHAR(255) NOT NULL,
44 110 role VARCHAR(255) NOT NULL,
45 111 message TEXT NOT NULL,
46 112 user_email VARCHAR(255) DEFAULT NULL,
113 + user_name VARCHAR(100) DEFAULT NULL,
114 + user_identifier VARCHAR(255) DEFAULT NULL,
115 + originating_page_url TEXT DEFAULT NULL,
116 + originating_page_title VARCHAR(500) DEFAULT NULL,
47 117 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
48 - PRIMARY KEY (id)
118 + PRIMARY KEY (id),
119 + KEY session_id (session_id),
120 + KEY user_email (user_email),
121 + KEY timestamp (timestamp)
49 122 ) $charset_collate;";
123 +
124 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
125 + $result = dbDelta($sql);
126 +
127 + // Log the result for debugging
128 + if (empty($result)) {
129 + //error_log("MxChat: dbDelta returned empty result for chat transcripts table");
130 + } else {
131 + //error_log("MxChat: dbDelta result: " . print_r($result, true));
132 + }
133 +
134 + // IMPORTANT: Ensure all columns exist for existing installations
135 + mxchat_ensure_all_columns($table_name);
136 +}
50 137
51 - // System Prompt Content Table
138 +/**
139 + * Ensure all required columns exist (for upgrades)
140 + */
141 +function mxchat_ensure_all_columns($table_name) {
142 + global $wpdb;
143 +
144 + // First check if table exists
145 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
146 + if (!$table_exists) {
147 + //error_log("MxChat: Table $table_name does not exist, cannot add columns");
148 + return;
149 + }
150 +
151 + // Define all required columns and their types
152 + $required_columns = [
153 + 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
154 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
155 + 'user_name' => 'VARCHAR(100) DEFAULT NULL',
156 + 'originating_page_url' => 'TEXT DEFAULT NULL',
157 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
158 + 'rag_context' => 'LONGTEXT DEFAULT NULL'
159 + ];
160 +
161 + // Get existing columns
162 + $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
163 + if (empty($existing_columns)) {
164 + //error_log("MxChat: Could not get columns for table $table_name");
165 + return;
166 + }
167 +
168 + $existing_column_names = array_column($existing_columns, 'Field');
169 +
170 + // Add missing columns
171 + foreach ($required_columns as $column_name => $column_definition) {
172 + if (!in_array($column_name, $existing_column_names)) {
173 + $alter_sql = "ALTER TABLE $table_name ADD COLUMN $column_name $column_definition";
174 + $result = $wpdb->query($alter_sql);
175 +
176 + if ($result === false) {
177 + //error_log("MxChat: Failed to add column $column_name to $table_name. Error: " . $wpdb->last_error);
178 + } else {
179 + //error_log("MxChat: Successfully added column $column_name to $table_name");
180 + }
181 + }
182 + }
183 +}
184 +
185 +/**
186 + * Add role restriction column to knowledge base table
187 + */
188 +function mxchat_add_role_restriction_column() {
189 + global $wpdb;
190 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
191 +
192 + // Check if table exists first
193 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
194 + if (!$table_exists) {
195 + //error_log("MxChat: System prompt content table does not exist, cannot add role_restriction column");
196 + return;
197 + }
198 +
199 + // Check if column already exists
200 + $column_exists = $wpdb->get_results(
201 + $wpdb->prepare(
202 + "SHOW COLUMNS FROM {$table_name} LIKE %s",
203 + 'role_restriction'
204 + )
205 + );
206 +
207 + if (empty($column_exists)) {
208 + $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url";
209 + $result = $wpdb->query($alter_sql);
210 +
211 + if ($result === false) {
212 + //error_log("MxChat: Failed to add role_restriction column. Error: " . $wpdb->last_error);
213 + } else {
214 + //error_log("MxChat: Successfully added role_restriction column");
215 +
216 + // Set all existing records to 'public' (everyone can access)
217 + $update_result = $wpdb->query(
218 + "UPDATE {$table_name}
219 + SET role_restriction = 'public'
220 + WHERE role_restriction IS NULL OR role_restriction = ''"
221 + );
222 +
223 + if ($update_result !== false) {
224 + //error_log("MxChat: Updated {$update_result} existing records to public access");
225 + }
226 + }
227 + }
228 +}
229 +
230 +/**
231 + * Add enabled_bots column to intents table for multi-bot action filtering
232 + */
233 +function mxchat_add_enabled_bots_column() {
234 + global $wpdb;
235 + $table_name = $wpdb->prefix . 'mxchat_intents';
236 +
237 + // Check if table exists first
238 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
239 + if (!$table_exists) {
240 + //error_log("MxChat: Intents table does not exist, cannot add enabled_bots column");
241 + return;
242 + }
243 +
244 + // Check if column already exists
245 + $column_exists = $wpdb->get_results(
246 + $wpdb->prepare(
247 + "SHOW COLUMNS FROM {$table_name} LIKE %s",
248 + 'enabled_bots'
249 + )
250 + );
251 +
252 + if (empty($column_exists)) {
253 + $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled";
254 + $result = $wpdb->query($alter_sql);
255 +
256 + if ($result === false) {
257 + //error_log("MxChat: Failed to add enabled_bots column. Error: " . $wpdb->last_error);
258 + } else {
259 + //error_log("MxChat: Successfully added enabled_bots column");
260 +
261 + // Set all existing actions to work with 'default' bot for backward compatibility
262 + $default_bots = json_encode(['default']);
263 + $update_result = $wpdb->query(
264 + $wpdb->prepare(
265 + "UPDATE {$table_name}
266 + SET enabled_bots = %s
267 + WHERE enabled_bots IS NULL OR enabled_bots = ''",
268 + $default_bots
269 + )
270 + );
271 +
272 + if ($update_result !== false) {
273 + //error_log("MxChat: Updated {$update_result} existing actions to work with default bot");
274 + }
275 + }
276 + }
277 +}
278 +
279 +/**
280 + * Create Pinecone role restrictions table with multi-bot support
281 + */
282 +function mxchat_create_pinecone_roles_table() {
283 + global $wpdb;
284 +
285 + $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
286 + $charset_collate = $wpdb->get_charset_collate();
287 +
288 + $sql = "CREATE TABLE $table_name (
289 + id mediumint(9) NOT NULL AUTO_INCREMENT,
290 + vector_id varchar(255) NOT NULL,
291 + bot_id varchar(50) NOT NULL DEFAULT 'default',
292 + source_url text,
293 + role_restriction varchar(50) DEFAULT 'public',
294 + updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
295 + PRIMARY KEY (id),
296 + UNIQUE KEY vector_bot (vector_id, bot_id),
297 + KEY role_restriction (role_restriction),
298 + KEY bot_id (bot_id)
299 + ) $charset_collate;";
300 +
301 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
302 + dbDelta($sql);
303 +}
304 +
305 +/**
306 + * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
307 + * This migration runs once to update existing installations
308 + */
309 +function mxchat_migrate_pinecone_roles_add_bot_id() {
310 + global $wpdb;
311 +
312 + // Check if migration already ran
313 + $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
314 + if (version_compare($migration_version, '2.5.2', '>=')) {
315 + return; // Already migrated
316 + }
317 +
318 + $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
319 +
320 + // Check if table exists
321 + if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
322 + return; // Table doesn't exist yet
323 + }
324 +
325 + // Check if bot_id column already exists
326 + $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
327 +
328 + if (empty($column_exists)) {
329 + // Add bot_id column
330 + $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
331 +
332 + // Update the unique key to include bot_id
333 + $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
334 + $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
335 +
336 + // Add index for bot_id
337 + $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
338 +
339 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
340 + }
341 +
342 + // Mark migration as complete
343 + update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
344 +}
345 +
346 +/**
347 + * 2.5.6: Add content_type column to mxchat_system_prompt_content table
348 + * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
349 + */
350 +function mxchat_migrate_add_content_type_column() {
351 + global $wpdb;
352 +
353 + // Check if migration already ran
354 + $migration_version = get_option('mxchat_content_type_migration_version', '0');
355 + if (version_compare($migration_version, '2.5.6', '>=')) {
356 + return;
357 + }
358 +
359 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
360 +
361 + // Check if table exists
362 + if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
363 + return;
364 + }
365 +
366 + // Check if content_type column already exists
367 + $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
368 +
369 + if (empty($column_exists)) {
370 + // Add content_type column with default value 'content' for backwards compatibility
371 + $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
372 +
373 + // Add index for better query performance
374 + $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
375 +
376 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
377 + }
378 +
379 + // Mark migration as complete
380 + update_option('mxchat_content_type_migration_version', '2.5.6');
381 +}
382 +
383 +/**
384 + * 2.5.2: Create queue processing tables for reliable background processing
385 + */
386 +function mxchat_create_queue_tables() {
387 + global $wpdb;
388 + $charset_collate = $wpdb->get_charset_collate();
389 +
390 + // Main queue table
391 + $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
392 + $sql_queue = "CREATE TABLE $queue_table (
393 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
394 + queue_id varchar(64) NOT NULL,
395 + item_type varchar(20) NOT NULL,
396 + item_data longtext NOT NULL,
397 + status varchar(20) NOT NULL DEFAULT 'pending',
398 + bot_id varchar(50) NOT NULL DEFAULT 'default',
399 + priority int(11) NOT NULL DEFAULT 0,
400 + attempts int(11) NOT NULL DEFAULT 0,
401 + max_attempts int(11) NOT NULL DEFAULT 3,
402 + error_message text DEFAULT NULL,
403 + created_at datetime NOT NULL,
404 + started_at datetime DEFAULT NULL,
405 + completed_at datetime DEFAULT NULL,
406 + PRIMARY KEY (id),
407 + KEY queue_id (queue_id),
408 + KEY status (status),
409 + KEY item_type (item_type),
410 + KEY priority (priority)
411 + ) $charset_collate;";
412 +
413 + // Queue metadata table
414 + $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
415 + $sql_meta = "CREATE TABLE $meta_table (
416 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
417 + queue_id varchar(64) NOT NULL,
418 + meta_key varchar(255) NOT NULL,
419 + meta_value longtext,
420 + PRIMARY KEY (id),
421 + KEY queue_id (queue_id),
422 + KEY meta_key (meta_key)
423 + ) $charset_collate;";
424 +
425 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
426 + dbDelta($sql_queue);
427 + dbDelta($sql_meta);
428 +
429 + //error_log("MxChat: Queue tables created/updated successfully");
430 +}
431 +
432 +/**
433 + * Create transcript translations table for persisting translations
434 + */
435 +function mxchat_create_translations_table() {
436 + global $wpdb;
437 + $charset_collate = $wpdb->get_charset_collate();
438 +
439 + $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
440 + $sql = "CREATE TABLE $table_name (
441 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
442 + session_id varchar(255) NOT NULL,
443 + language_code varchar(10) NOT NULL,
444 + translations longtext NOT NULL,
445 + created_at datetime NOT NULL,
446 + updated_at datetime NOT NULL,
447 + PRIMARY KEY (id),
448 + UNIQUE KEY session_lang (session_id, language_code),
449 + KEY session_id (session_id)
450 + ) $charset_collate;";
451 +
452 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
453 + dbDelta($sql);
454 +}
455 +
456 +/**
457 + * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
458 + * This fixes "url, source_url. The supplied values may be too long" errors
459 + */
460 +function mxchat_fix_url_column_size() {
461 + global $wpdb;
462 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
463 +
464 + // Check if table exists
465 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
466 + if (!$table_exists) {
467 + return;
468 + }
469 +
470 + // Change url and source_url from VARCHAR to TEXT to handle long URLs
471 + // This is especially important for URLs with UTF-8 encoded characters (Hebrew, Arabic, etc.)
472 + $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN url TEXT");
473 + $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN source_url TEXT");
474 +
475 + //error_log("MxChat: Successfully updated url and source_url columns to TEXT type for long URL support");
476 +}
477 +
478 +/**
479 + * Migrate deprecated AI models to their replacements
480 + * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
481 + * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
482 + */
483 +function mxchat_migrate_deprecated_models() {
484 + $options = get_option('mxchat_options', array());
485 + $migrated = false;
486 + $migration_message = '';
487 +
488 + if (!isset($options['model'])) {
489 + return;
490 + }
491 +
492 + $current_model = $options['model'];
493 +
494 + // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
495 + $deprecated_claude_models = array(
496 + 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
497 + 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
498 + 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
499 + 'claude-3-opus-20240229', // Retired Jan 5, 2026
500 + 'claude-3-sonnet-20240229', // Legacy
501 + 'claude-3-haiku-20240307', // Legacy
502 + );
503 + if (in_array($current_model, $deprecated_claude_models, true)) {
504 + $options['model'] = 'claude-opus-4-6';
505 + $migrated = true;
506 + $migration_message = sprintf(
507 + __('Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.', 'mxchat'),
508 + $current_model
509 + );
510 + }
511 +
512 + // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
513 + if ($current_model === 'claude-3-5-haiku-20241022') {
514 + $options['model'] = 'claude-haiku-4-5-20251001';
515 + $migrated = true;
516 + $migration_message = __('Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.', 'mxchat');
517 + }
518 +
519 + // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
520 + if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
521 + $options['model'] = 'gpt-5.1-chat-latest';
522 + $migrated = true;
523 + $migration_message = sprintf(
524 + __('Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.', 'mxchat'),
525 + $current_model
526 + );
527 + }
528 +
529 + // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
530 + if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
531 + $options['model'] = 'gpt-5-mini';
532 + $migrated = true;
533 + $migration_message = sprintf(
534 + __('Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.', 'mxchat'),
535 + $current_model
536 + );
537 + }
538 +
539 + if ($migrated) {
540 + update_option('mxchat_options', $options);
541 + update_option('mxchat_model_migrated_notice', true);
542 + update_option('mxchat_model_migration_message', $migration_message);
543 + }
544 +}
545 +
546 +/**
547 + * Show admin notice after model migration
548 + */
549 +function mxchat_show_migration_notice() {
550 + if (get_option('mxchat_model_migrated_notice')) {
551 + $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
552 + ?>
553 + <div class="notice notice-info is-dismissible">
554 + <p>
555 + <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
556 + <?php echo esc_html($migration_message); ?>
557 + </p>
558 + </div>
559 + <?php
560 + delete_option('mxchat_model_migrated_notice');
561 + delete_option('mxchat_model_migration_message');
562 + }
563 +}
564 +
565 +function mxchat_activate() {
566 + global $wpdb;
567 + $charset_collate = $wpdb->get_charset_collate();
568 +
569 + //error_log("MxChat: Running activation function");
570 +
571 + // Create chat transcripts table with improved function
572 + mxchat_create_chat_transcripts_table();
573 +
574 + // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns
52 575 $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
53 576 $sql_system_prompt = "CREATE TABLE $system_prompt_table (
54 577 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
55 - url VARCHAR(255) NOT NULL,
578 + url TEXT NOT NULL,
56 579 article_content LONGTEXT NOT NULL,
57 580 embedding_vector LONGTEXT,
58 - source_url VARCHAR(255) DEFAULT NULL,
581 + source_url TEXT DEFAULT NULL,
582 + role_restriction VARCHAR(50) DEFAULT 'public',
583 + content_type VARCHAR(50) DEFAULT 'content',
59 584 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
60 - PRIMARY KEY (id)
585 + PRIMARY KEY (id),
586 + KEY content_type (content_type)
61 587 ) $charset_collate;";
62 588
63 - // Intents Table
589 + // Intents Table - NOW INCLUDES enabled_bots column from the start
64 590 $intents_table = $wpdb->prefix . 'mxchat_intents';
65 591 $sql_intents_table = "CREATE TABLE $intents_table (
66 592 id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
67 593 intent_label VARCHAR(255) NOT NULL,
@@ -68,51 +594,335 @@
68 594 phrases TEXT NOT NULL,
69 595 embedding_vector LONGTEXT NOT NULL,
70 596 callback_function VARCHAR(255) NOT NULL,
71 597 similarity_threshold FLOAT DEFAULT 0.85,
598 + enabled TINYINT(1) NOT NULL DEFAULT 1,
599 + enabled_bots LONGTEXT DEFAULT NULL,
72 600 PRIMARY KEY (id)
73 601 ) $charset_collate;";
74 602
75 603 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
76 604
77 - // Create or update tables
78 - dbDelta($sql_chat_transcripts);
605 + // Create other tables
79 606 dbDelta($sql_system_prompt);
80 607 dbDelta($sql_intents_table);
81 608
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');
609 + // Create URL click tracking table
610 + mxchat_create_url_clicks_table();
611 +
612 + // Create Pinecone roles table
613 + mxchat_create_pinecone_roles_table();
614 +
615 + // NEW 2.5.2: Create queue processing tables
616 + mxchat_create_queue_tables();
85 617
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');
618 + // Create transcript translations table
619 + mxchat_create_translations_table();
89 620
621 + // Ensure additional columns in system prompt table
622 + $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
623 + if (!empty($existing_system_columns)) {
624 + $existing_system_column_names = array_column($existing_system_columns, 'Field');
625 +
626 + if (!in_array('embedding_vector', $existing_system_column_names)) {
627 + $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN embedding_vector LONGTEXT");
628 + }
629 + if (!in_array('source_url', $existing_system_column_names)) {
630 + $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url TEXT DEFAULT NULL");
631 + }
632 + if (!in_array('role_restriction', $existing_system_column_names)) {
633 + $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url");
634 + }
635 + }
636 +
90 637 // Set default thresholds for existing intents
91 638 $wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL");
639 +
640 + // Ensure enabled column exists in intents table
641 + $existing_intent_columns = $wpdb->get_results("SHOW COLUMNS FROM $intents_table");
642 + if (!empty($existing_intent_columns)) {
643 + $existing_intent_column_names = array_column($existing_intent_columns, 'Field');
644 +
645 + if (!in_array('enabled', $existing_intent_column_names)) {
646 + $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled TINYINT(1) NOT NULL DEFAULT 1");
647 + }
648 +
649 + // Ensure enabled_bots column exists for existing installations
650 + if (!in_array('enabled_bots', $existing_intent_column_names)) {
651 + $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled");
652 +
653 + // Set existing actions to work with default bot
654 + $default_bots = json_encode(['default']);
655 + $wpdb->query($wpdb->prepare(
656 + "UPDATE {$intents_table} SET enabled_bots = %s WHERE enabled_bots IS NULL",
657 + $default_bots
658 + ));
659 + }
660 + }
92 661
93 - // Update plugin version in the database
94 - update_option('mxchat_plugin_version', '2.0.4');
662 + // Run migration for existing installations
663 + mxchat_migrate_pinecone_roles_add_bot_id();
664 +
665 + // Setup cron jobs
666 + mxchat_setup_cron_jobs();
667 +
668 + // Update version
669 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
670 +
671 + //error_log("MxChat: Activation function completed");
95 672 }
96 673
674 +/**
675 + * Setup cron jobs on plugin activation
676 + */
677 +function mxchat_setup_cron_jobs() {
678 + // Clear any existing cron jobs first
679 + wp_clear_scheduled_hook('mxchat_reset_rate_limits');
680 +
681 + // Check if WordPress cron is disabled
682 + if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
683 + // Set flag to use fallback system
684 + update_option('mxchat_use_fallback_rate_limits', true);
685 + update_option('mxchat_next_rate_limit_check', time() + 3600);
686 + return;
687 + }
688 +
689 + // Schedule the rate limit reset cron job
690 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
691 +
692 + if ($result === false) {
693 + // Fallback if scheduling fails
694 + update_option('mxchat_use_fallback_rate_limits', true);
695 + update_option('mxchat_next_rate_limit_check', time() + 3600);
696 + } else {
697 + // Clear fallback flags if cron scheduling succeeded
698 + delete_option('mxchat_use_fallback_rate_limits');
699 + }
700 +
701 + // Schedule transcript cleanup if configured
702 + $transcript_options = get_option('mxchat_transcripts_options', array());
703 + $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
704 +
705 + if ($cleanup_interval !== 'never') {
706 + // Check if not already scheduled
707 + if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
708 + // Schedule to run daily at 3 AM
709 + $next_run = strtotime('tomorrow 3:00 AM');
710 + wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
711 + }
712 + }
713 +}
97 714
98 -function mxchat_add_missing_columns($table, $column_name, $column_type) {
715 +/**
716 + * Clean up on plugin deactivation
717 + */
718 +function mxchat_deactivate() {
719 + // Clear scheduled cron jobs
720 + wp_clear_scheduled_hook('mxchat_reset_rate_limits');
721 + wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
722 + wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
723 +
724 + // Clear fallback options
725 + delete_option('mxchat_use_fallback_rate_limits');
726 + delete_option('mxchat_next_rate_limit_check');
727 + delete_option('mxchat_fallback_check_interval');
728 +
729 + // NOTE: We do NOT delete queue tables on deactivation
730 + // This preserves data if user accidentally deactivates the plugin
731 +}
732 +
733 +/**
734 + * Check if fallback rate limit cleanup is needed
735 + */
736 +function mxchat_check_fallback_rate_limits() {
737 + $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
738 +
739 + if (!$use_fallback) {
740 + return;
741 + }
742 +
743 + $next_check = get_option('mxchat_next_rate_limit_check', 0);
744 +
745 + if (time() >= $next_check) {
746 + // Only run reset if the MxChat_Integrator class exists
747 + if (class_exists('MxChat_Integrator')) {
748 + $integrator = new MxChat_Integrator();
749 + if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
750 + $integrator->mxchat_reset_rate_limits();
751 + update_option('mxchat_next_rate_limit_check', time() + 3600);
752 + }
753 + }
754 + }
755 +}
756 +
757 +/**
758 + * Robust update checking with role restriction migration, model deprecation, and queue tables
759 + * CRITICAL: This runs on EVERY page load to ensure tables exist
760 + */
761 +function mxchat_check_for_update() {
99 762 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");
763 +
764 + try {
765 + $current_version = get_option('mxchat_plugin_version', '0.0.0');
766 + $plugin_version = MXCHAT_VERSION;
767 +
768 + // Always ensure critical tables exist (even if version matches)
769 + // This handles manual table deletion or fresh installs
770 + $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
771 + $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
772 +
773 + $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$chat_table'") === $chat_table;
774 + $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
775 +
776 + if (!$chat_exists || !$queue_exists) {
777 + //error_log("MxChat: Critical tables missing, running activation");
778 + mxchat_activate();
779 + }
780 +
781 + // Version-specific migrations
782 + if ($current_version !== $plugin_version) {
783 + //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
784 +
785 + // Run live agent update BEFORE updating the stored version
786 + mxchat_handle_live_agent_update();
787 +
788 + // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
789 + mxchat_handle_theme_migration_notice();
790 +
791 + // Run role restriction migration for 2.4.1
792 + if (version_compare($current_version, '2.4.1', '<')) {
793 + mxchat_add_role_restriction_column();
794 + }
795 +
796 + // Run enabled_bots column migration for 2.4.4
797 + if (version_compare($current_version, '2.4.4', '<')) {
798 + mxchat_add_enabled_bots_column();
799 + }
800 +
801 + // Run model migration for 2.5.1 (Claude deprecation)
802 + if (version_compare($current_version, '2.5.1', '<')) {
803 + mxchat_migrate_deprecated_models();
804 + }
805 +
806 + // 2.5.2: Ensure queue tables exist and fix URL column sizes for all users upgrading to 2.5.2
807 + if (version_compare($current_version, '2.5.2', '<')) {
808 + mxchat_create_queue_tables();
809 + mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
810 + //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
811 + }
812 +
813 + // 2.6.0: Ensure rag_context column exists for retrieved documents feature
814 + if (version_compare($current_version, '2.6.0', '<')) {
815 + $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
816 + mxchat_ensure_all_columns($chat_table);
817 + //error_log("MxChat: rag_context column migration for 2.6.0");
818 + }
819 +
820 + // 3.0.5: Migrate deprecated Gemini embedding model
821 + if (version_compare($current_version, '3.0.5', '<')) {
822 + mxchat_migrate_gemini_embedding_model();
823 + }
824 +
825 + // 3.0.6: Migrate deprecated OpenAI and Claude models
826 + if (version_compare($current_version, '3.0.6', '<')) {
827 + mxchat_migrate_deprecated_models();
828 + }
829 +
830 + // Run full activation to ensure everything is up to date
831 + mxchat_activate();
832 +
833 + // Run migration functions
834 + mxchat_migrate_live_agent_status();
835 +
836 + // Add the cleanup function for version 2.1.8
837 + if (version_compare($current_version, '2.1.8', '<')) {
838 + $deleted = mxchat_cleanup_orphaned_chat_history();
839 + }
840 +
841 + // Update version LAST
842 + update_option('mxchat_plugin_version', $plugin_version);
843 +
844 + //error_log("MxChat: Updated from version $current_version to $plugin_version");
845 + }
846 +
847 + } catch (Exception $e) {
848 + //error_log('MxChat update error: ' . $e->getMessage());
849 + // Don't update version if there was an error
103 850 }
104 851 }
105 852
106 -function mxchat_check_for_update() {
107 - $current_version = get_option('mxchat_plugin_version');
108 - $plugin_version = '2.0.4'; // Update with your latest version
853 +/**
854 + * Ensure tables exist on every admin load for fresh installations
855 + * This is a safety net for cases where activation hook doesn't fire
856 + */
857 +function mxchat_ensure_tables_exist() {
858 + global $wpdb;
859 +
860 + // Only run for admin users to avoid performance impact
861 + if (!current_user_can('administrator')) {
862 + return;
863 + }
864 +
865 + // Check if we've already verified tables in this session
866 + static $tables_checked = false;
867 + if ($tables_checked) {
868 + return;
869 + }
870 + $tables_checked = true;
871 +
872 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
873 + $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
874 +
875 + $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
876 + $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
877 +
878 + if (!$chat_exists || !$queue_exists) {
879 + //error_log("MxChat: Tables missing on admin load, running activation");
880 + mxchat_activate();
881 + }
882 +}
109 883
110 - if ($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
884 +/**
885 + * Clean up orphaned chat history options from the wp_options table
886 + * @return int Number of options deleted
887 + */
888 +function mxchat_cleanup_orphaned_chat_history() {
889 + global $wpdb;
890 + $count = 0;
891 +
892 + // Get all option keys that match our pattern
893 + $history_options = $wpdb->get_results(
894 + "SELECT option_name FROM {$wpdb->options}
895 + WHERE option_name LIKE 'mxchat_history_%'"
896 + );
897 +
898 + if (!empty($history_options)) {
899 + foreach ($history_options as $option) {
900 + // Extract the session ID from the option name
901 + $session_id = str_replace('mxchat_history_', '', $option->option_name);
902 +
903 + // Check if this session still exists in the custom table
904 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
905 + $exists = $wpdb->get_var(
906 + $wpdb->prepare(
907 + "SELECT COUNT(*) FROM {$table_name} WHERE session_id = %s",
908 + $session_id
909 + )
910 + );
911 +
912 + // If session doesn't exist in the main table, delete the option
913 + if ($exists == 0) {
914 + delete_option($option->option_name);
915 + // Also delete related metadata
916 + delete_option("mxchat_email_{$session_id}");
917 + delete_option("mxchat_name_{$session_id}");
918 + delete_option("mxchat_agent_name_{$session_id}");
919 + $count++;
920 + }
921 + }
114 922 }
923 +
924 + return $count;
115 925 }
116 926
117 927 function mxchat_migrate_live_agent_status() {
118 928 $options = get_option('mxchat_options', []);
@@ -145,16 +955,182 @@
145 955 update_option('mxchat_options', $options);
146 956 }
147 957 }
148 958
959 +function mxchat_handle_live_agent_update() {
960 + // Get the CURRENT stored version (before it gets updated)
961 + $current_version = get_option('mxchat_plugin_version', '0.0.0');
962 + $new_version = '2.2.2';
149 963
150 -// Run the update check function on every request
151 -add_action('plugins_loaded', 'mxchat_check_for_update');
964 + // Only run this once for the update to 2.2.2
965 + $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
152 966
967 + // Check if we're upgrading TO 2.2.2 and haven't handled this yet
968 + if (version_compare($current_version, $new_version, '<') && !$update_handled) {
969 + $options = get_option('mxchat_options', array());
970 +
971 + // Check if live agent was previously enabled
972 + if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
973 + // Disable live agent
974 + $options['live_agent_status'] = 'off';
975 + update_option('mxchat_options', $options);
976 +
977 + // Set flag to show the notification banner
978 + update_option('mxchat_show_live_agent_disabled_notice', true);
979 + }
980 +
981 + // Mark this update as handled
982 + update_option('mxchat_live_agent_update_2_2_2_handled', true);
983 + }
984 +}
985 +
986 +/**
987 + * Handle theme migration notice for version 3.0.1
988 + * Shows a dismissible notice to Pro users about migrating AI-generated themes
989 + */
990 +function mxchat_handle_theme_migration_notice() {
991 + // Get the CURRENT stored version (before it gets updated)
992 + $current_version = get_option('mxchat_plugin_version', '0.0.0');
993 + $target_version = '3.0.1';
994 +
995 + // Only run this once for the update to 3.0.1
996 + $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
997 +
998 + // Check if we're upgrading TO 3.0.1 and haven't handled this yet
999 + if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1000 + // Check if Pro is activated - only show to Pro users
1001 + $license_status = get_option('mxchat_license_status', 'inactive');
1002 + $is_pro = ($license_status === 'active' || $license_status === esc_html__('active', 'mxchat'));
1003 +
1004 + if ($is_pro) {
1005 + // Set flag to show the theme migration notification banner
1006 + update_option('mxchat_show_theme_migration_notice', true);
1007 + }
1008 +
1009 + // Mark this update as handled (whether Pro or not)
1010 + update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1011 + }
1012 +}
1013 +
1014 +// Initialize plugin safely
1015 +function mxchat_init() {
1016 + // Include all class files first
1017 + mxchat_include_classes();
1018 +
1019 + // Run update check (this also ensures tables exist)
1020 + mxchat_check_for_update();
1021 +
1022 + // CRITICAL: Ensure tables exist on admin pages (safety net)
1023 + add_action('admin_init', 'mxchat_ensure_tables_exist', 1);
1024 +
1025 + // Add fallback rate limit check
1026 + add_action('init', 'mxchat_check_fallback_rate_limits', 5);
1027 +
1028 + // Add migration notice hook
1029 + add_action('admin_notices', 'mxchat_show_migration_notice');
1030 +
1031 + // Initialize classes with error handling
1032 + try {
1033 + // Initialize admin classes
1034 + if (is_admin()) {
1035 + if (class_exists('MxChat_Knowledge_Manager')) {
1036 + $mxchat_knowledge_manager = new MxChat_Knowledge_Manager();
1037 +
1038 + if (class_exists('MxChat_Admin')) {
1039 + $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager);
1040 + }
1041 + }
1042 +
1043 + // Initialize meta box class
1044 + if (class_exists('MxChat_Meta_Box')) {
1045 + new MxChat_Meta_Box();
1046 + }
1047 + }
1048 +
1049 + // Initialize public classes
1050 + if (class_exists('MxChat_Public')) {
1051 + $mxchat_public = new MxChat_Public();
1052 + }
1053 +
1054 + if (class_exists('MxChat_Integrator')) {
1055 + global $mxchat_integrator;
1056 + $mxchat_integrator = new MxChat_Integrator();
1057 + }
1058 +
1059 + } catch (Exception $e) {
1060 + //error_log('MxChat initialization error: ' . $e->getMessage());
1061 +
1062 + // Show admin notice if there's an error
1063 + if (is_admin()) {
1064 + add_action('admin_notices', function() use ($e) {
1065 + echo '<div class="notice notice-error"><p>';
1066 + echo '<strong>MxChat Error:</strong> Plugin initialization failed. ';
1067 + echo 'Please check error logs or contact support. Error: ' . esc_html($e->getMessage());
1068 + echo '</p></div>';
1069 + });
1070 + }
1071 + }
1072 +}
1073 +
1074 +// Run initialization on plugins_loaded
1075 +add_action('plugins_loaded', 'mxchat_init');
1076 +
1077 +// Run migration check on admin init (for auto-updates without reactivation)
1078 +add_action('admin_init', 'mxchat_check_and_run_migrations');
1079 +
1080 +/**
1081 + * Check and run migrations on admin init
1082 + * This ensures migrations run even when plugin is auto-updated
1083 + */
1084 +function mxchat_check_and_run_migrations() {
1085 + // Only run in admin and not on every request
1086 + static $checked = false;
1087 + if ($checked) {
1088 + return;
1089 + }
1090 + $checked = true;
1091 +
1092 + mxchat_migrate_pinecone_roles_add_bot_id();
1093 + mxchat_migrate_add_content_type_column();
1094 + mxchat_migrate_add_translations_table();
1095 +}
1096 +
1097 +/**
1098 + * Migration: Create transcript translations table (v3.0.4)
1099 + * For users upgrading from versions before 3.0.4
1100 + */
1101 +function mxchat_migrate_add_translations_table() {
1102 + $migration_key = 'mxchat_translations_table_created';
1103 +
1104 + // Check if migration already ran
1105 + if (get_option($migration_key)) {
1106 + return;
1107 + }
1108 +
1109 + // Create the translations table
1110 + mxchat_create_translations_table();
1111 +
1112 + // Mark migration as complete
1113 + update_option($migration_key, '3.0.4');
1114 +}
1115 +
1116 +/**
1117 + * Migration: Update deprecated Gemini embedding model (v3.0.5)
1118 + * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1119 + */
1120 +function mxchat_migrate_gemini_embedding_model() {
1121 + $options = get_option('mxchat_options', array());
1122 +
1123 + if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1124 + $options['embedding_model'] = 'gemini-embedding-001';
1125 + update_option('mxchat_options', $options);
1126 + }
1127 +}
1128 +
153 1129 // Register activation hook
154 1130 register_activation_hook(__FILE__, 'mxchat_activate');
155 1131
156 -
1132 +// Add cron schedule
157 1133 add_filter('cron_schedules', function($schedules) {
158 1134 $schedules['one_minute'] = array(
159 1135 'interval' => 60,
160 1136 'display' => 'Every Minute'
@@ -161,16 +1137,6 @@
161 1137 );
162 1138 return $schedules;
163 1139 });
164 1140
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();
1141 +// Register deactivation hook
1142 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');