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MxChat – AI Chatbot & Content Generation for WordPress / 2.5.4
MxChat – AI Chatbot & Content Generation for WordPress v2.5.4
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 +35 -857 3.2.7 → 2.5.4 View file →
@@ -2,9 +2,9 @@
2 2 /**
3 3 * Plugin Name: MxChat
4 4 * Plugin URI: https://mxchat.ai/
5 5 * Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
6 - * Version: 3.2.7
6 + * Version: 2.5.4
7 7 * Author: MxChat
8 8 * Author URI: https://mxchat.ai
9 9 * License: GPLv2 or later
10 10 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -15,339 +15,20 @@
15 15 if (!defined('ABSPATH')) {
16 16 exit; // Exit if accessed directly.
17 17 }
18 18
19 -
20 -if (!defined('MXCHAT_DEV_MODE')) {
21 - define('MXCHAT_DEV_MODE', false);
22 -}
23 -
19 +// Define plugin version constant for asset versioning
20 +// Reads version from plugin header automatically
24 21 if (!defined('MXCHAT_VERSION')) {
25 22 $plugin_data = get_file_data(__FILE__, array('Version' => 'Version'), 'plugin');
26 - $version = $plugin_data['Version'];
27 - if (MXCHAT_DEV_MODE) {
28 - $version .= '.' . time();
29 - }
30 - define('MXCHAT_VERSION', $version);
23 + define('MXCHAT_VERSION', $plugin_data['Version']);
31 24 }
32 25
33 26 function mxchat_load_textdomain() {
34 - $domain = 'mxchat';
35 - $locale = determine_locale();
36 -
37 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
38 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
39 - if (file_exists($mo_file)) {
40 - load_textdomain($domain, $mo_file);
41 - return;
42 - }
43 -
44 - // Fallback to plugin's /languages directory
45 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
27 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
46 28 }
47 29 add_action('init', 'mxchat_load_textdomain');
48 30
49 -/**
50 - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026.
51 - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview
52 - * (Google's official migration target) the first time admin_init fires after update.
53 - */
54 -add_action('admin_init', function () {
55 - if (get_option('mxchat_gemini_3_remap_done')) {
56 - return;
57 - }
58 - $opts = get_option('mxchat_options');
59 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') {
60 - $opts['model'] = 'gemini-3.1-pro-preview';
61 - update_option('mxchat_options', $opts);
62 - }
63 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') {
64 - $opts['content_model'] = 'gemini-3.1-pro-preview';
65 - update_option('mxchat_options', $opts);
66 - }
67 - update_option('mxchat_gemini_3_remap_done', 1);
68 -});
69 -
70 -/**
71 - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212,
72 - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing
73 - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning
74 - * (modern, fast, broadly available) the first time admin_init fires after update.
75 - */
76 -add_action('admin_init', function () {
77 - if (get_option('mxchat_grok_2_remap_done')) {
78 - return;
79 - }
80 - $opts = get_option('mxchat_options');
81 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') {
82 - $opts['model'] = 'grok-4-1-fast-non-reasoning';
83 - update_option('mxchat_options', $opts);
84 - }
85 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') {
86 - $opts['content_model'] = 'grok-4-1-fast-non-reasoning';
87 - update_option('mxchat_options', $opts);
88 - }
89 - update_option('mxchat_grok_2_remap_done', 1);
90 -});
91 -
92 -/**
93 - * Exclude MxChat assets from caching plugin optimizations
94 - *
95 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
96 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
97 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
98 - *
99 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
100 - * be excluded from any optimization that changes load order or timing.
101 - */
102 -
103 -// ── WP Rocket ────────────────────────────────────────────────────────────────
104 -
105 -// Exclude from Remove Unused CSS (RUCSS)
106 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
107 - if (!is_array($exclusions)) $exclusions = array();
108 - $exclusions[] = 'mxchat';
109 - return $exclusions;
110 -});
111 -
112 -// Exclude CSS from minification/combination
113 -add_filter('rocket_exclude_css', function($excluded) {
114 - if (!is_array($excluded)) $excluded = array();
115 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
116 - return $excluded;
117 -});
118 -
119 -// Exclude JS from minification/combination
120 -add_filter('rocket_exclude_js', function($excluded) {
121 - if (!is_array($excluded)) $excluded = array();
122 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
123 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
124 - $excluded[] = '/jquery-core';
125 - $excluded[] = '/jquery.min.js';
126 - $excluded[] = '/jquery.js';
127 - $excluded[] = '/jquery-migrate';
128 - return $excluded;
129 -});
130 -
131 -// Exclude JS from defer
132 -add_filter('rocket_exclude_defer_js', function($excluded) {
133 - if (!is_array($excluded)) $excluded = array();
134 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
135 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
136 - $excluded[] = '/jquery-core';
137 - $excluded[] = '/jquery.min.js';
138 - $excluded[] = '/jquery.js';
139 - $excluded[] = '/jquery-migrate';
140 - return $excluded;
141 -});
142 -
143 -// Exclude from delay JS execution
144 -add_filter('rocket_delay_js_exclusions', function($excluded) {
145 - if (!is_array($excluded)) $excluded = array();
146 - $excluded[] = 'mxchat';
147 - $excluded[] = 'chat-script';
148 - $excluded[] = 'floating-script';
149 - $excluded[] = '/jquery-core';
150 - $excluded[] = '/jquery.min.js';
151 - $excluded[] = '/jquery.js';
152 - $excluded[] = '/jquery-migrate';
153 - return $excluded;
154 -});
155 -
156 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
157 -
158 -// Exclude CSS from optimization
159 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
160 - if (!is_array($excluded)) $excluded = array();
161 - $excluded[] = 'chat-style.css';
162 - $excluded[] = 'mxchat';
163 - return $excluded;
164 -});
165 -
166 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
167 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
168 - if (!is_array($whitelist)) $whitelist = array();
169 - $whitelist[] = '.mxchat-chatbot-wrapper';
170 - $whitelist[] = '.floating-chatbot';
171 - $whitelist[] = '.floating-chatbot-button';
172 - $whitelist[] = '.chatbot-top-bar';
173 - $whitelist[] = '.mxchat-chatbot';
174 - $whitelist[] = '.chat-container';
175 - $whitelist[] = '.chat-box';
176 - $whitelist[] = '.bot-message';
177 - $whitelist[] = '.input-container';
178 - $whitelist[] = '.chat-input';
179 - $whitelist[] = '.send-button';
180 - $whitelist[] = '.pre-chat-message';
181 - $whitelist[] = '.mxchat-popular-questions';
182 - $whitelist[] = '.chat-toolbar';
183 - $whitelist[] = '.exit-chat';
184 - $whitelist[] = '.email-blocker';
185 - return $whitelist;
186 -});
187 -
188 -// Exclude CSS from CCSS (Critical CSS) generation
189 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
190 - if (!is_array($excluded)) $excluded = array();
191 - $excluded[] = 'chat-style.css';
192 - $excluded[] = 'mxchat';
193 - return $excluded;
194 -});
195 -
196 -// Exclude JS from defer
197 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
198 - if (!is_array($excluded)) $excluded = array();
199 - $excluded[] = 'chat-script.js';
200 - $excluded[] = 'floating-script.js';
201 - $excluded[] = 'mxchat';
202 - $excluded[] = 'jquery.min.js';
203 - $excluded[] = 'jquery.js';
204 - return $excluded;
205 -});
206 -
207 -// Exclude JS from combining
208 -add_filter('litespeed_optm_js_exc', function($excluded) {
209 - if (!is_array($excluded)) $excluded = array();
210 - $excluded[] = 'chat-script.js';
211 - $excluded[] = 'floating-script.js';
212 - $excluded[] = 'mxchat';
213 - $excluded[] = 'jquery.min.js';
214 - $excluded[] = 'jquery.js';
215 - return $excluded;
216 -});
217 -
218 -// Exclude JS from delayed execution
219 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
220 - if (!is_array($excluded)) $excluded = array();
221 - $excluded[] = 'chat-script.js';
222 - $excluded[] = 'floating-script.js';
223 - $excluded[] = 'mxchat';
224 - return $excluded;
225 -});
226 -
227 -// Exclude from Guest Mode optimization
228 -add_filter('litespeed_guest_optm_exc', function($excluded) {
229 - if (!is_array($excluded)) $excluded = array();
230 - $excluded[] = 'mxchat';
231 - $excluded[] = 'chat-style';
232 - $excluded[] = 'chat-script';
233 - $excluded[] = 'floating-script';
234 - return $excluded;
235 -});
236 -
237 -// ── Autoptimize ──────────────────────────────────────────────────────────────
238 -
239 -// Exclude CSS from optimization (comma-separated strings)
240 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
241 - if (!is_string($excluded)) $excluded = '';
242 - return $excluded . ', mxchat, chat-style.css';
243 -});
244 -
245 -// Exclude JS from optimization (comma-separated strings)
246 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
247 - if (!is_string($excluded)) $excluded = '';
248 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
249 -});
250 -
251 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
252 -
253 -add_filter('sgo_js_minify_exclude', function($excluded) {
254 - if (!is_array($excluded)) $excluded = array();
255 - $excluded[] = 'chat-script.js';
256 - $excluded[] = 'floating-script.js';
257 - $excluded[] = 'jquery.min.js';
258 - return $excluded;
259 -});
260 -
261 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
262 - if (!is_array($excluded)) $excluded = array();
263 - $excluded[] = 'chat-script.js';
264 - $excluded[] = 'floating-script.js';
265 - $excluded[] = 'jquery.min.js';
266 - return $excluded;
267 -});
268 -
269 -add_filter('sgo_js_async_exclude', function($excluded) {
270 - if (!is_array($excluded)) $excluded = array();
271 - $excluded[] = 'chat-script.js';
272 - $excluded[] = 'floating-script.js';
273 - $excluded[] = 'jquery.min.js';
274 - return $excluded;
275 -});
276 -
277 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
278 -
279 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
280 - if (strpos($file, 'chat-script.js') !== false ||
281 - strpos($file, 'floating-script.js') !== false ||
282 - strpos($file, 'jquery.min.js') !== false ||
283 - strpos($file, 'jquery.js') !== false) {
284 - return false;
285 - }
286 - return $do_minify;
287 -}, 10, 3);
288 -
289 -// ── WP Super Cache ──────────────────────────────────────────────────────────
290 -
291 -add_filter('wpsc_rejected_uri', function($rejected) {
292 - if (!is_array($rejected)) $rejected = array();
293 - $rejected[] = 'wp-admin/admin-ajax.php';
294 - return $rejected;
295 -});
296 -
297 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
298 -// Each cache plugin gets its own filter export so that visitors hitting an
299 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
300 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
301 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
302 -// and break the per-session nonce flow on the first message.
303 -
304 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
305 -add_filter('rocket_cache_reject_uri', function($uris) {
306 - if (!is_array($uris)) $uris = array();
307 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
308 - return $uris;
309 -});
310 -
311 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
312 -// caching when the request matches our chat-AJAX pattern.
313 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
314 - if ($no_cache) return $no_cache;
315 - if (!empty($_SERVER['REQUEST_URI']) &&
316 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
317 - !empty($_REQUEST['action']) &&
318 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
319 - return true;
320 - }
321 - return $no_cache;
322 -});
323 -
324 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
325 -// the URI matches.
326 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
327 - if ($skip) return $skip;
328 - if (!empty($_SERVER['REQUEST_URI']) &&
329 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
330 - !empty($_REQUEST['action']) &&
331 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
332 - return true;
333 - }
334 - return $skip;
335 -});
336 -
337 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
338 -// request. Same pattern as LiteSpeed / W3TC.
339 -add_filter('flying_press_cacheable', function($cacheable) {
340 - if (!$cacheable) return $cacheable;
341 - if (!empty($_SERVER['REQUEST_URI']) &&
342 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
343 - !empty($_REQUEST['action']) &&
344 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
345 - return false;
346 - }
347 - return $cacheable;
348 -});
349 -
350 31 // Include classes with error handling
351 32 function mxchat_include_classes() {
352 33 $class_files = array(
353 34 'includes/class-mxchat-integrator.php',
@@ -355,12 +36,10 @@
355 36 'includes/class-mxchat-public.php',
356 37 'includes/class-mxchat-utils.php',
357 38 'includes/class-mxchat-user.php',
358 39 'includes/class-mxchat-meta-box.php',
359 - 'includes/class-mxchat-chunker.php',
40 + 'includes/pdf-parser/alt_autoload.php',
360 41 'includes/class-mxchat-word-handler.php',
361 - 'includes/class-mxchat-content-generator.php',
362 - 'includes/class-rest-api.php',
363 42 'admin/class-ajax-handler.php',
364 43 'admin/class-pinecone-manager.php',
365 44 'admin/class-knowledge-manager.php'
366 45 );
@@ -372,45 +51,11 @@
372 51 } else {
373 52 //error_log('MxChat: Missing class file - ' . $file);
374 53 }
375 54 }
376 -
377 - // Admin pages that aren't classes (procedural include).
378 - if (is_admin()) {
379 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
380 - if (file_exists($admin_api_page)) {
381 - require_once $admin_api_page;
382 - }
383 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
384 - // The require MUST live here (admin bootstrap) and not just inside
385 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
386 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
387 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
388 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
389 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
390 - if (file_exists($admin_onboarding_page)) {
391 - require_once $admin_onboarding_page;
392 - }
393 - }
394 55 }
395 56
396 57 /**
397 - * Lazy-load the PDF parser library only when needed.
398 - * Avoids loading 44 files on every page request.
399 - */
400 -function mxchat_load_pdf_parser() {
401 - if (class_exists('\Smalot\PdfParser\Parser')) {
402 - return true;
403 - }
404 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
405 - if (file_exists($autoload_path)) {
406 - require_once $autoload_path;
407 - return true;
408 - }
409 - return false;
410 -}
411 -
412 -/**
413 58 * Create URL click tracking table
414 59 */
415 60 function mxchat_create_url_clicks_table() {
416 61 global $wpdb;
@@ -493,13 +138,12 @@
493 138
494 139 // Define all required columns and their types
495 140 $required_columns = [
496 141 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
497 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
142 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
498 143 'user_name' => 'VARCHAR(100) DEFAULT NULL',
499 144 'originating_page_url' => 'TEXT DEFAULT NULL',
500 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
501 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
145 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
502 146 ];
503 147
504 148 // Get existing columns
505 149 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -619,137 +263,32 @@
619 263 }
620 264 }
621 265
622 266 /**
623 - * Create Pinecone role restrictions table with multi-bot support
267 + * Create Pinecone role restrictions table
624 268 */
625 269 function mxchat_create_pinecone_roles_table() {
626 270 global $wpdb;
627 -
271 +
628 272 $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
629 273 $charset_collate = $wpdb->get_charset_collate();
630 -
274 +
631 275 $sql = "CREATE TABLE $table_name (
632 276 id mediumint(9) NOT NULL AUTO_INCREMENT,
633 277 vector_id varchar(255) NOT NULL,
634 - bot_id varchar(50) NOT NULL DEFAULT 'default',
635 278 source_url text,
636 279 role_restriction varchar(50) DEFAULT 'public',
637 280 updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
638 281 PRIMARY KEY (id),
639 - UNIQUE KEY vector_bot (vector_id, bot_id),
640 - KEY role_restriction (role_restriction),
641 - KEY bot_id (bot_id)
282 + UNIQUE KEY vector_id (vector_id),
283 + KEY role_restriction (role_restriction)
642 284 ) $charset_collate;";
643 -
285 +
644 286 require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
645 287 dbDelta($sql);
646 288 }
647 289
648 290 /**
649 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
650 - * This migration runs once to update existing installations
651 - */
652 -function mxchat_migrate_pinecone_roles_add_bot_id() {
653 - global $wpdb;
654 -
655 - // Check if migration already ran
656 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
657 - if (version_compare($migration_version, '2.5.2', '>=')) {
658 - return; // Already migrated
659 - }
660 -
661 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
662 -
663 - // Check if table exists
664 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
665 - return; // Table doesn't exist yet
666 - }
667 -
668 - // Check if bot_id column already exists
669 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
670 -
671 - if (empty($column_exists)) {
672 - // Add bot_id column
673 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
674 -
675 - // Update the unique key to include bot_id
676 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
677 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
678 -
679 - // Add index for bot_id
680 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
681 -
682 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
683 - }
684 -
685 - // Mark migration as complete
686 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
687 -}
688 -
689 -/**
690 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
691 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
692 - */
693 -function mxchat_migrate_add_content_type_column() {
694 - global $wpdb;
695 -
696 - // Check if migration already ran
697 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
698 - if (version_compare($migration_version, '2.5.6', '>=')) {
699 - return;
700 - }
701 -
702 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
703 -
704 - // Check if table exists
705 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
706 - return;
707 - }
708 -
709 - // Check if content_type column already exists
710 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
711 -
712 - if (empty($column_exists)) {
713 - // Add content_type column with default value 'content' for backwards compatibility
714 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
715 -
716 - // Add index for better query performance
717 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
718 -
719 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
720 - }
721 -
722 - // Mark migration as complete
723 - update_option('mxchat_content_type_migration_version', '2.5.6');
724 -}
725 -
726 -/**
727 - * 3.2.4: Backfill the active embedding model option for installs that already
728 - * have KB content but no stamped model. The mismatch warning compares this
729 - * against the user's currently selected model — no per-row column needed.
730 - */
731 -function mxchat_backfill_active_embedding_model() {
732 - global $wpdb;
733 -
734 - if (get_option('mxchat_active_embedding_model', '') !== '') {
735 - return;
736 - }
737 -
738 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
739 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
740 - return;
741 - }
742 -
743 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
744 - if ($kb_count > 0) {
745 - $options = get_option('mxchat_options', array());
746 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
747 - update_option('mxchat_active_embedding_model', $current_model, false);
748 - }
749 -}
750 -
751 -/**
752 291 * 2.5.2: Create queue processing tables for reliable background processing
753 292 */
754 293 function mxchat_create_queue_tables() {
755 294 global $wpdb;
@@ -797,58 +336,8 @@
797 336 //error_log("MxChat: Queue tables created/updated successfully");
798 337 }
799 338
800 339 /**
801 - * Create transcript translations table for persisting translations
802 - */
803 -function mxchat_create_translations_table() {
804 - global $wpdb;
805 - $charset_collate = $wpdb->get_charset_collate();
806 -
807 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
808 - $sql = "CREATE TABLE $table_name (
809 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
810 - session_id varchar(255) NOT NULL,
811 - language_code varchar(10) NOT NULL,
812 - translations longtext NOT NULL,
813 - created_at datetime NOT NULL,
814 - updated_at datetime NOT NULL,
815 - PRIMARY KEY (id),
816 - UNIQUE KEY session_lang (session_id, language_code),
817 - KEY session_id (session_id)
818 - ) $charset_collate;";
819 -
820 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
821 - dbDelta($sql);
822 -}
823 -
824 -/**
825 - * Create per-session satisfaction ratings table (v3.2.6)
826 - * Stores one 👍/👎 rating + optional feedback per chat session.
827 - */
828 -function mxchat_create_session_ratings_table() {
829 - global $wpdb;
830 - $charset_collate = $wpdb->get_charset_collate();
831 -
832 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
833 - $sql = "CREATE TABLE $table_name (
834 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
835 - session_id varchar(255) NOT NULL,
836 - bot_id varchar(50) NOT NULL DEFAULT 'default',
837 - rating_value tinyint(1) NOT NULL,
838 - rating_feedback text DEFAULT NULL,
839 - created_at datetime NOT NULL,
840 - PRIMARY KEY (id),
841 - UNIQUE KEY session_id (session_id),
842 - KEY bot_id (bot_id),
843 - KEY created_at (created_at)
844 - ) $charset_collate;";
845 -
846 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
847 - dbDelta($sql);
848 -}
849 -
850 -/**
851 340 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
852 341 * This fixes "url, source_url. The supplied values may be too long" errors
853 342 */
854 343 function mxchat_fix_url_column_size() {
@@ -871,80 +360,22 @@
871 360
872 361 /**
873 362 * Migrate deprecated AI models to their replacements
874 363 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
875 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
876 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
877 364 */
878 -function mxchat_migrate_transcripts_charset() {
879 - global $wpdb;
880 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
881 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
882 -}
883 -
884 -/**
885 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
886 - */
887 365 function mxchat_migrate_deprecated_models() {
888 366 $options = get_option('mxchat_options', array());
889 - $migrated = false;
890 - $migration_message = '';
891 -
892 - if (!isset($options['model'])) {
893 - return;
894 - }
895 -
896 - $current_model = $options['model'];
897 -
898 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
899 - $deprecated_claude_models = array(
900 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
901 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
902 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
903 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
904 - 'claude-3-sonnet-20240229', // Legacy
905 - 'claude-3-haiku-20240307', // Legacy
906 - );
907 - if (in_array($current_model, $deprecated_claude_models, true)) {
908 - $options['model'] = 'claude-opus-4-6';
909 - $migrated = true;
910 - $migration_message = sprintf(
911 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
912 - $current_model
913 - );
914 - }
915 -
916 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
917 - if ($current_model === 'claude-3-5-haiku-20241022') {
918 - $options['model'] = 'claude-haiku-4-5-20251001';
919 - $migrated = true;
920 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
921 - }
922 -
923 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
924 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
925 - $options['model'] = 'gpt-5.1-chat-latest';
926 - $migrated = true;
927 - $migration_message = sprintf(
928 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
929 - $current_model
930 - );
931 - }
932 -
933 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
934 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
935 - $options['model'] = 'gpt-5-mini';
936 - $migrated = true;
937 - $migration_message = sprintf(
938 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
939 - $current_model
940 - );
941 - }
942 -
943 - if ($migrated) {
367 +
368 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
369 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
370 + // Update to Claude 3.7 Sonnet (the replacement model)
371 + $options['model'] = 'claude-3-7-sonnet-20250219';
944 372 update_option('mxchat_options', $options);
373 +
374 + // Set a flag to show admin notice
945 375 update_option('mxchat_model_migrated_notice', true);
946 - update_option('mxchat_model_migration_message', $migration_message);
376 +
377 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
947 378 }
948 379 }
949 380
950 381 /**
@@ -951,19 +382,17 @@
951 382 * Show admin notice after model migration
952 383 */
953 384 function mxchat_show_migration_notice() {
954 385 if (get_option('mxchat_model_migrated_notice')) {
955 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
956 386 ?>
957 387 <div class="notice notice-info is-dismissible">
958 388 <p>
959 389 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
960 - <?php echo esc_html($migration_message); ?>
390 + <?php esc_html_e('Your chatbot model has been automatically updated from Claude 3.5 Sonnet to Claude 3.7 Sonnet due to the deprecation of the previous model by Anthropic. Claude 3.7 Sonnet offers improved performance and capabilities.', 'mxchat'); ?>
961 391 </p>
962 392 </div>
963 393 <?php
964 394 delete_option('mxchat_model_migrated_notice');
965 - delete_option('mxchat_model_migration_message');
966 395 }
967 396 }
968 397
969 398 function mxchat_activate() {
@@ -983,12 +412,10 @@
983 412 article_content LONGTEXT NOT NULL,
984 413 embedding_vector LONGTEXT,
985 414 source_url TEXT DEFAULT NULL,
986 415 role_restriction VARCHAR(50) DEFAULT 'public',
987 - content_type VARCHAR(50) DEFAULT 'content',
988 416 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
989 - PRIMARY KEY (id),
990 - KEY content_type (content_type)
417 + PRIMARY KEY (id)
991 418 ) $charset_collate;";
992 419
993 420 // Intents Table - NOW INCLUDES enabled_bots column from the start
994 421 $intents_table = $wpdb->prefix . 'mxchat_intents';
@@ -1003,26 +430,13 @@
1003 430 enabled_bots LONGTEXT DEFAULT NULL,
1004 431 PRIMARY KEY (id)
1005 432 ) $charset_collate;";
1006 433
1007 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1008 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1009 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1010 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1011 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1012 - phrase TEXT NOT NULL,
1013 - embedding_vector LONGTEXT NOT NULL,
1014 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1015 - PRIMARY KEY (id),
1016 - KEY intent_id (intent_id)
1017 - ) $charset_collate;";
1018 -
1019 434 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1020 435
1021 436 // Create other tables
1022 437 dbDelta($sql_system_prompt);
1023 438 dbDelta($sql_intents_table);
1024 - dbDelta($sql_intent_phrases_table);
1025 439
1026 440 // Create URL click tracking table
1027 441 mxchat_create_url_clicks_table();
1028 442
@@ -1031,14 +445,8 @@
1031 445
1032 446 // NEW 2.5.2: Create queue processing tables
1033 447 mxchat_create_queue_tables();
1034 448
1035 - // Create transcript translations table
1036 - mxchat_create_translations_table();
1037 -
1038 - // Create per-session satisfaction ratings table (v3.2.6)
1039 - mxchat_create_session_ratings_table();
1040 -
1041 449 // Ensure additional columns in system prompt table
1042 450 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1043 451 if (!empty($existing_system_columns)) {
1044 452 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1078,20 +486,14 @@
1078 486 ));
1079 487 }
1080 488 }
1081 489
1082 - // Run migration for existing installations
1083 - mxchat_migrate_pinecone_roles_add_bot_id();
1084 -
1085 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1086 - mxchat_backfill_active_embedding_model();
1087 -
1088 490 // Setup cron jobs
1089 491 mxchat_setup_cron_jobs();
1090 492
1091 493 // Update version
1092 494 update_option('mxchat_plugin_version', MXCHAT_VERSION);
1093 -
495 +
1094 496 //error_log("MxChat: Activation function completed");
1095 497 }
1096 498
1097 499 /**
@@ -1119,22 +521,8 @@
1119 521 } else {
1120 522 // Clear fallback flags if cron scheduling succeeded
1121 523 delete_option('mxchat_use_fallback_rate_limits');
1122 524 }
1123 -
1124 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
1125 - $transcript_options = get_option('mxchat_transcripts_options', array());
1126 - $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1127 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1128 -
1129 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
1130 - // Check if not already scheduled
1131 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1132 - // Schedule to run daily at 3 AM
1133 - $next_run = strtotime('tomorrow 3:00 AM');
1134 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
1135 - }
1136 - }
1137 525 }
1138 526
1139 527 /**
1140 528 * Clean up on plugin deactivation
@@ -1141,10 +529,8 @@
1141 529 */
1142 530 function mxchat_deactivate() {
1143 531 // Clear scheduled cron jobs
1144 532 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1145 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1146 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1147 533
1148 534 // Clear fallback options
1149 535 delete_option('mxchat_use_fallback_rate_limits');
1150 536 delete_option('mxchat_next_rate_limit_check');
@@ -1204,14 +590,11 @@
1204 590
1205 591 // Version-specific migrations
1206 592 if ($current_version !== $plugin_version) {
1207 593 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1208 -
594 +
1209 595 // Run live agent update BEFORE updating the stored version
1210 596 mxchat_handle_live_agent_update();
1211 -
1212 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1213 - mxchat_handle_theme_migration_notice();
1214 597
1215 598 // Run role restriction migration for 2.4.1
1216 599 if (version_compare($current_version, '2.4.1', '<')) {
1217 600 mxchat_add_role_restriction_column();
@@ -1232,43 +615,9 @@
1232 615 mxchat_create_queue_tables();
1233 616 mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1234 617 //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1235 618 }
1236 -
1237 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1238 - if (version_compare($current_version, '2.6.0', '<')) {
1239 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1240 - mxchat_ensure_all_columns($chat_table);
1241 - //error_log("MxChat: rag_context column migration for 2.6.0");
1242 - }
1243 -
1244 - // 3.0.5: Migrate deprecated Gemini embedding model
1245 - if (version_compare($current_version, '3.0.5', '<')) {
1246 - mxchat_migrate_gemini_embedding_model();
1247 - }
1248 -
1249 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1250 - if (version_compare($current_version, '3.0.6', '<')) {
1251 - mxchat_migrate_deprecated_models();
1252 - }
1253 -
1254 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1255 - if (version_compare($current_version, '3.1.2', '<')) {
1256 - mxchat_migrate_transcripts_charset();
1257 - }
1258 -
1259 - // 3.1.7: Clean up stale shared session email/name entries
1260 - if (version_compare($current_version, '3.1.7', '<')) {
1261 - delete_option('mxchat_email_null');
1262 - delete_option('mxchat_name_null');
1263 - }
1264 -
1265 - // 3.2.4: Backfill active embedding model option for the warning UI
1266 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1267 - if (version_compare($current_version, '3.2.4', '<')) {
1268 - mxchat_backfill_active_embedding_model();
1269 - }
1270 -
619 +
1271 620 // Run full activation to ensure everything is up to date
1272 621 mxchat_activate();
1273 622
1274 623 // Run migration functions
@@ -1400,59 +749,31 @@
1400 749 function mxchat_handle_live_agent_update() {
1401 750 // Get the CURRENT stored version (before it gets updated)
1402 751 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1403 752 $new_version = '2.2.2';
1404 -
753 +
1405 754 // Only run this once for the update to 2.2.2
1406 755 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1407 -
756 +
1408 757 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1409 758 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1410 759 $options = get_option('mxchat_options', array());
1411 -
760 +
1412 761 // Check if live agent was previously enabled
1413 762 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1414 763 // Disable live agent
1415 764 $options['live_agent_status'] = 'off';
1416 765 update_option('mxchat_options', $options);
1417 -
766 +
1418 767 // Set flag to show the notification banner
1419 768 update_option('mxchat_show_live_agent_disabled_notice', true);
1420 769 }
1421 -
770 +
1422 771 // Mark this update as handled
1423 772 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1424 773 }
1425 774 }
1426 775
1427 -/**
1428 - * Handle theme migration notice for version 3.0.1
1429 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1430 - */
1431 -function mxchat_handle_theme_migration_notice() {
1432 - // Get the CURRENT stored version (before it gets updated)
1433 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1434 - $target_version = '3.0.1';
1435 -
1436 - // Only run this once for the update to 3.0.1
1437 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1438 -
1439 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1440 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1441 - // Check if Pro is activated - only show to Pro users
1442 - $license_status = get_option('mxchat_license_status', 'inactive');
1443 - $is_pro = ($license_status === 'active');
1444 -
1445 - if ($is_pro) {
1446 - // Set flag to show the theme migration notification banner
1447 - update_option('mxchat_show_theme_migration_notice', true);
1448 - }
1449 -
1450 - // Mark this update as handled (whether Pro or not)
1451 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1452 - }
1453 -}
1454 -
1455 776 // Initialize plugin safely
1456 777 function mxchat_init() {
1457 778 // Include all class files first
1458 779 mxchat_include_classes();
@@ -1484,25 +805,10 @@
1484 805 // Initialize meta box class
1485 806 if (class_exists('MxChat_Meta_Box')) {
1486 807 new MxChat_Meta_Box();
1487 808 }
1488 -
1489 809 }
1490 -
1491 - // Initialize content generator globally — it registers wp_head hook
1492 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1493 - if (class_exists('MxChat_Content_Generator')) {
1494 - new MxChat_Content_Generator();
1495 - }
1496 -
1497 - // Initialize REST API globally — endpoints must be registered on
1498 - // every request (admin and frontend) so they're reachable via /wp-json/.
1499 - // Endpoints are auth-gated and locked until the site owner generates
1500 - // a token in MxChat → API Access.
1501 - if (class_exists('MxChat_Rest_Api')) {
1502 - new MxChat_Rest_Api();
1503 - }
1504 -
810 +
1505 811 // Initialize public classes
1506 812 if (class_exists('MxChat_Public')) {
1507 813 $mxchat_public = new MxChat_Public();
1508 814 }
@@ -1529,74 +835,8 @@
1529 835
1530 836 // Run initialization on plugins_loaded
1531 837 add_action('plugins_loaded', 'mxchat_init');
1532 838
1533 -// Run migration check on admin init (for auto-updates without reactivation)
1534 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1535 -
1536 -/**
1537 - * Check and run migrations on admin init
1538 - * This ensures migrations run even when plugin is auto-updated
1539 - */
1540 -function mxchat_check_and_run_migrations() {
1541 - // Only run in admin and not on every request
1542 - static $checked = false;
1543 - if ($checked) {
1544 - return;
1545 - }
1546 - $checked = true;
1547 -
1548 - mxchat_migrate_pinecone_roles_add_bot_id();
1549 - mxchat_migrate_add_content_type_column();
1550 - mxchat_migrate_add_translations_table();
1551 - mxchat_migrate_add_session_ratings_table();
1552 -}
1553 -
1554 -/**
1555 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1556 - * For users upgrading from versions before 3.2.6
1557 - */
1558 -function mxchat_migrate_add_session_ratings_table() {
1559 - $migration_key = 'mxchat_session_ratings_table_created';
1560 - if (get_option($migration_key)) {
1561 - return;
1562 - }
1563 - mxchat_create_session_ratings_table();
1564 - update_option($migration_key, '3.2.6');
1565 -}
1566 -
1567 -/**
1568 - * Migration: Create transcript translations table (v3.0.4)
1569 - * For users upgrading from versions before 3.0.4
1570 - */
1571 -function mxchat_migrate_add_translations_table() {
1572 - $migration_key = 'mxchat_translations_table_created';
1573 -
1574 - // Check if migration already ran
1575 - if (get_option($migration_key)) {
1576 - return;
1577 - }
1578 -
1579 - // Create the translations table
1580 - mxchat_create_translations_table();
1581 -
1582 - // Mark migration as complete
1583 - update_option($migration_key, '3.0.4');
1584 -}
1585 -
1586 -/**
1587 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1588 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1589 - */
1590 -function mxchat_migrate_gemini_embedding_model() {
1591 - $options = get_option('mxchat_options', array());
1592 -
1593 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1594 - $options['embedding_model'] = 'gemini-embedding-001';
1595 - update_option('mxchat_options', $options);
1596 - }
1597 -}
1598 -
1599 839 // Register activation hook
1600 840 register_activation_hook(__FILE__, 'mxchat_activate');
1601 841
1602 842 // Add cron schedule
@@ -1608,67 +848,5 @@
1608 848 return $schedules;
1609 849 });
1610 850
1611 851 // Register deactivation hook
1612 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1613 -
1614 -/**
1615 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1616 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1617 - * session_id makes this naturally idempotent — only the first rating per
1618 - * session is stored; duplicate POSTs are silent no-ops.
1619 - */
1620 -function mxchat_save_session_rating() {
1621 - global $wpdb;
1622 -
1623 - $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : '';
1624 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1625 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1626 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1627 -
1628 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1629 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1630 - }
1631 -
1632 - if (strlen($feedback) > 1000) {
1633 - $feedback = substr($feedback, 0, 1000);
1634 - }
1635 -
1636 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1637 - $existing = $wpdb->get_var($wpdb->prepare(
1638 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1639 - $session_id
1640 - ));
1641 -
1642 - if ($existing) {
1643 - if ($feedback !== '') {
1644 - $wpdb->update(
1645 - $table_name,
1646 - array('rating_feedback' => $feedback),
1647 - array('id' => (int) $existing),
1648 - array('%s'),
1649 - array('%d')
1650 - );
1651 - }
1652 - wp_send_json_success(array('updated' => true));
1653 - }
1654 -
1655 - $inserted = $wpdb->insert(
1656 - $table_name,
1657 - array(
1658 - 'session_id' => $session_id,
1659 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1660 - 'rating_value' => $rating_raw,
1661 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1662 - 'created_at' => current_time('mysql'),
1663 - ),
1664 - array('%s', '%s', '%d', '%s', '%s')
1665 - );
1666 -
1667 - if ($inserted === false) {
1668 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1669 - }
1670 -
1671 - wp_send_json_success(array('saved' => true));
1672 -}
1673 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1674 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
852 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');