PluginProbe
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 -924 3.2.13 → 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: 3.2.13
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
@@ -15,396 +15,23 @@
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 -/**
34 - * Honest, versioned User-Agent for MXChat remote-content ingestion fetches
35 - * (Knowledge Base PDF import, URL import, sitemap / website crawl).
36 - *
37 - * WAF rulesets (SiteGround/ModSecurity, Wordfence, Cloudflare managed rules)
38 - * flag stale spoofed-browser UAs as scrapers and return 403 — which silently
39 - * broke the single most common KB source: self-hosted media on the site's own
40 - * domain. A truthful crawler identifier is the industry norm for well-behaved
41 - * bots and lets a site owner allowlist "MXChatBot" in their WAF. Filterable so
42 - * a locked-down host can supply a different string without a code change.
43 - */
44 -if (!function_exists('mxchat_ingest_user_agent')) {
45 - function mxchat_ingest_user_agent() {
46 - $version = defined('MXCHAT_VERSION') ? MXCHAT_VERSION : '1.0';
47 - $ua = 'MXChatBot/' . $version . ' (+https://mxchat.ai/bot)';
48 - return apply_filters('mxchat_ingest_user_agent', $ua);
49 - }
50 -}
51 -
52 26 function mxchat_load_textdomain() {
53 - $domain = 'mxchat';
54 - $locale = determine_locale();
55 -
56 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
57 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
58 - if (file_exists($mo_file)) {
59 - load_textdomain($domain, $mo_file);
60 - return;
61 - }
62 -
63 - // Fallback to plugin's /languages directory
64 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
27 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
65 28 }
66 29 add_action('init', 'mxchat_load_textdomain');
67 30
68 -/**
69 - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026.
70 - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview
71 - * (Google's official migration target) the first time admin_init fires after update.
72 - */
73 -add_action('admin_init', function () {
74 - if (get_option('mxchat_gemini_3_remap_done')) {
75 - return;
76 - }
77 - $opts = get_option('mxchat_options');
78 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') {
79 - $opts['model'] = 'gemini-3.1-pro-preview';
80 - update_option('mxchat_options', $opts);
81 - }
82 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') {
83 - $opts['content_model'] = 'gemini-3.1-pro-preview';
84 - update_option('mxchat_options', $opts);
85 - }
86 - update_option('mxchat_gemini_3_remap_done', 1);
87 -});
88 -
89 -/**
90 - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212,
91 - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing
92 - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning
93 - * (modern, fast, broadly available) the first time admin_init fires after update.
94 - */
95 -add_action('admin_init', function () {
96 - if (get_option('mxchat_grok_2_remap_done')) {
97 - return;
98 - }
99 - $opts = get_option('mxchat_options');
100 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') {
101 - $opts['model'] = 'grok-4-1-fast-non-reasoning';
102 - update_option('mxchat_options', $opts);
103 - }
104 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') {
105 - $opts['content_model'] = 'grok-4-1-fast-non-reasoning';
106 - update_option('mxchat_options', $opts);
107 - }
108 - update_option('mxchat_grok_2_remap_done', 1);
109 -});
110 -
111 -/**
112 - * One-time migration: Anthropic retired the Claude 4 (2025-05-14) snapshots on
113 - * June 15, 2026 — claude-opus-4-20250514 and claude-sonnet-4-20250514 now return
114 - * an API error. Existing installs with a dead ID get auto-remapped to the current
115 - * equivalents Anthropic recommends (Opus 4.8 / Sonnet 4.6) the first time admin_init
116 - * fires after update. Mirrors the gemini-3-pro-preview / grok-2 rescues above.
117 - */
118 -add_action('admin_init', function () {
119 - if (get_option('mxchat_claude_4_retire_remap_done')) {
120 - return;
121 - }
122 - $map = array(
123 - 'claude-opus-4-20250514' => 'claude-opus-4-8',
124 - 'claude-sonnet-4-20250514' => 'claude-sonnet-4-6',
125 - );
126 - $opts = get_option('mxchat_options');
127 - if (is_array($opts)) {
128 - $changed = false;
129 - if (isset($opts['model']) && isset($map[$opts['model']])) {
130 - $opts['model'] = $map[$opts['model']];
131 - $changed = true;
132 - }
133 - if (isset($opts['content_model']) && isset($map[$opts['content_model']])) {
134 - $opts['content_model'] = $map[$opts['content_model']];
135 - $changed = true;
136 - }
137 - if ($changed) {
138 - update_option('mxchat_options', $opts);
139 - }
140 - }
141 - update_option('mxchat_claude_4_retire_remap_done', 1);
142 -});
143 -
144 -/**
145 - * Exclude MxChat assets from caching plugin optimizations
146 - *
147 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
148 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
149 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
150 - *
151 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
152 - * be excluded from any optimization that changes load order or timing.
153 - */
154 -
155 -// ── WP Rocket ────────────────────────────────────────────────────────────────
156 -
157 -// Exclude from Remove Unused CSS (RUCSS)
158 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
159 - if (!is_array($exclusions)) $exclusions = array();
160 - $exclusions[] = 'mxchat';
161 - return $exclusions;
162 -});
163 -
164 -// Exclude CSS from minification/combination
165 -add_filter('rocket_exclude_css', function($excluded) {
166 - if (!is_array($excluded)) $excluded = array();
167 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
168 - return $excluded;
169 -});
170 -
171 -// Exclude JS from minification/combination
172 -add_filter('rocket_exclude_js', function($excluded) {
173 - if (!is_array($excluded)) $excluded = array();
174 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
175 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
176 - $excluded[] = '/jquery-core';
177 - $excluded[] = '/jquery.min.js';
178 - $excluded[] = '/jquery.js';
179 - $excluded[] = '/jquery-migrate';
180 - return $excluded;
181 -});
182 -
183 -// Exclude JS from defer
184 -add_filter('rocket_exclude_defer_js', function($excluded) {
185 - if (!is_array($excluded)) $excluded = array();
186 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
187 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
188 - $excluded[] = '/jquery-core';
189 - $excluded[] = '/jquery.min.js';
190 - $excluded[] = '/jquery.js';
191 - $excluded[] = '/jquery-migrate';
192 - return $excluded;
193 -});
194 -
195 -// Exclude from delay JS execution
196 -add_filter('rocket_delay_js_exclusions', function($excluded) {
197 - if (!is_array($excluded)) $excluded = array();
198 - $excluded[] = 'mxchat';
199 - $excluded[] = 'chat-script';
200 - $excluded[] = 'floating-script';
201 - $excluded[] = '/jquery-core';
202 - $excluded[] = '/jquery.min.js';
203 - $excluded[] = '/jquery.js';
204 - $excluded[] = '/jquery-migrate';
205 - return $excluded;
206 -});
207 -
208 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
209 -
210 -// Exclude CSS from optimization
211 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
212 - if (!is_array($excluded)) $excluded = array();
213 - $excluded[] = 'chat-style.css';
214 - $excluded[] = 'mxchat';
215 - return $excluded;
216 -});
217 -
218 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
219 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
220 - if (!is_array($whitelist)) $whitelist = array();
221 - $whitelist[] = '.mxchat-chatbot-wrapper';
222 - $whitelist[] = '.floating-chatbot';
223 - $whitelist[] = '.floating-chatbot-button';
224 - $whitelist[] = '.chatbot-top-bar';
225 - $whitelist[] = '.mxchat-chatbot';
226 - $whitelist[] = '.chat-container';
227 - $whitelist[] = '.chat-box';
228 - $whitelist[] = '.bot-message';
229 - $whitelist[] = '.input-container';
230 - $whitelist[] = '.chat-input';
231 - $whitelist[] = '.send-button';
232 - $whitelist[] = '.pre-chat-message';
233 - $whitelist[] = '.mxchat-popular-questions';
234 - $whitelist[] = '.chat-toolbar';
235 - $whitelist[] = '.exit-chat';
236 - $whitelist[] = '.email-blocker';
237 - return $whitelist;
238 -});
239 -
240 -// Exclude CSS from CCSS (Critical CSS) generation
241 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
242 - if (!is_array($excluded)) $excluded = array();
243 - $excluded[] = 'chat-style.css';
244 - $excluded[] = 'mxchat';
245 - return $excluded;
246 -});
247 -
248 -// Exclude JS from defer
249 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
250 - if (!is_array($excluded)) $excluded = array();
251 - $excluded[] = 'chat-script.js';
252 - $excluded[] = 'floating-script.js';
253 - $excluded[] = 'mxchat';
254 - $excluded[] = 'jquery.min.js';
255 - $excluded[] = 'jquery.js';
256 - return $excluded;
257 -});
258 -
259 -// Exclude JS from combining
260 -add_filter('litespeed_optm_js_exc', function($excluded) {
261 - if (!is_array($excluded)) $excluded = array();
262 - $excluded[] = 'chat-script.js';
263 - $excluded[] = 'floating-script.js';
264 - $excluded[] = 'mxchat';
265 - $excluded[] = 'jquery.min.js';
266 - $excluded[] = 'jquery.js';
267 - return $excluded;
268 -});
269 -
270 -// Exclude JS from delayed execution
271 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
272 - if (!is_array($excluded)) $excluded = array();
273 - $excluded[] = 'chat-script.js';
274 - $excluded[] = 'floating-script.js';
275 - $excluded[] = 'mxchat';
276 - return $excluded;
277 -});
278 -
279 -// Exclude from Guest Mode optimization
280 -add_filter('litespeed_guest_optm_exc', function($excluded) {
281 - if (!is_array($excluded)) $excluded = array();
282 - $excluded[] = 'mxchat';
283 - $excluded[] = 'chat-style';
284 - $excluded[] = 'chat-script';
285 - $excluded[] = 'floating-script';
286 - return $excluded;
287 -});
288 -
289 -// ── Autoptimize ──────────────────────────────────────────────────────────────
290 -
291 -// Exclude CSS from optimization (comma-separated strings)
292 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
293 - if (!is_string($excluded)) $excluded = '';
294 - return $excluded . ', mxchat, chat-style.css';
295 -});
296 -
297 -// Exclude JS from optimization (comma-separated strings)
298 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
299 - if (!is_string($excluded)) $excluded = '';
300 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
301 -});
302 -
303 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
304 -
305 -add_filter('sgo_js_minify_exclude', function($excluded) {
306 - if (!is_array($excluded)) $excluded = array();
307 - $excluded[] = 'chat-script.js';
308 - $excluded[] = 'floating-script.js';
309 - $excluded[] = 'jquery.min.js';
310 - return $excluded;
311 -});
312 -
313 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
314 - if (!is_array($excluded)) $excluded = array();
315 - $excluded[] = 'chat-script.js';
316 - $excluded[] = 'floating-script.js';
317 - $excluded[] = 'jquery.min.js';
318 - return $excluded;
319 -});
320 -
321 -add_filter('sgo_js_async_exclude', function($excluded) {
322 - if (!is_array($excluded)) $excluded = array();
323 - $excluded[] = 'chat-script.js';
324 - $excluded[] = 'floating-script.js';
325 - $excluded[] = 'jquery.min.js';
326 - return $excluded;
327 -});
328 -
329 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
330 -
331 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
332 - if (strpos($file, 'chat-script.js') !== false ||
333 - strpos($file, 'floating-script.js') !== false ||
334 - strpos($file, 'jquery.min.js') !== false ||
335 - strpos($file, 'jquery.js') !== false) {
336 - return false;
337 - }
338 - return $do_minify;
339 -}, 10, 3);
340 -
341 -// ── WP Super Cache ──────────────────────────────────────────────────────────
342 -
343 -add_filter('wpsc_rejected_uri', function($rejected) {
344 - if (!is_array($rejected)) $rejected = array();
345 - $rejected[] = 'wp-admin/admin-ajax.php';
346 - return $rejected;
347 -});
348 -
349 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
350 -// Each cache plugin gets its own filter export so that visitors hitting an
351 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
352 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
353 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
354 -// and break the per-session nonce flow on the first message.
355 -
356 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
357 -add_filter('rocket_cache_reject_uri', function($uris) {
358 - if (!is_array($uris)) $uris = array();
359 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
360 - return $uris;
361 -});
362 -
363 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
364 -// caching when the request matches our chat-AJAX pattern.
365 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
366 - if ($no_cache) return $no_cache;
367 - if (!empty($_SERVER['REQUEST_URI']) &&
368 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
369 - !empty($_REQUEST['action']) &&
370 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
371 - return true;
372 - }
373 - return $no_cache;
374 -});
375 -
376 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
377 -// the URI matches.
378 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
379 - if ($skip) return $skip;
380 - if (!empty($_SERVER['REQUEST_URI']) &&
381 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
382 - !empty($_REQUEST['action']) &&
383 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
384 - return true;
385 - }
386 - return $skip;
387 -});
388 -
389 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
390 -// request. Same pattern as LiteSpeed / W3TC.
391 -add_filter('flying_press_cacheable', function($cacheable) {
392 - if (!$cacheable) return $cacheable;
393 - if (!empty($_SERVER['REQUEST_URI']) &&
394 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
395 - !empty($_REQUEST['action']) &&
396 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
397 - return false;
398 - }
399 - return $cacheable;
400 -});
401 -
402 31 // Include classes with error handling
403 32 function mxchat_include_classes() {
404 33 $class_files = array(
405 - 'includes/class-mxchat-model-catalog.php',
406 - 'includes/class-mxchat-tool-registry.php',
407 34 'includes/class-mxchat-integrator.php',
408 35 'includes/class-mxchat-admin.php',
409 36 'includes/class-mxchat-public.php',
410 37 'includes/class-mxchat-utils.php',
@@ -409,13 +36,10 @@
409 36 'includes/class-mxchat-public.php',
410 37 'includes/class-mxchat-utils.php',
411 38 'includes/class-mxchat-user.php',
412 39 'includes/class-mxchat-meta-box.php',
413 - 'includes/class-mxchat-chunker.php',
40 + 'includes/pdf-parser/alt_autoload.php',
414 41 'includes/class-mxchat-word-handler.php',
415 - 'includes/class-mxchat-content-generator.php',
416 - 'includes/class-mxchat-cache-purge.php',
417 - 'includes/class-rest-api.php',
418 42 'admin/class-ajax-handler.php',
419 43 'admin/class-pinecone-manager.php',
420 44 'admin/class-knowledge-manager.php'
421 45 );
@@ -427,50 +51,11 @@
427 51 } else {
428 52 //error_log('MxChat: Missing class file - ' . $file);
429 53 }
430 54 }
431 -
432 - // Register the native function-calling admin-post save handler (a41dee).
433 - if (class_exists('MxChat_Tool_Registry')) {
434 - MxChat_Tool_Registry::init();
435 - }
436 -
437 - // Admin pages that aren't classes (procedural include).
438 - if (is_admin()) {
439 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
440 - if (file_exists($admin_api_page)) {
441 - require_once $admin_api_page;
442 - }
443 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
444 - // The require MUST live here (admin bootstrap) and not just inside
445 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
446 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
447 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
448 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
449 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
450 - if (file_exists($admin_onboarding_page)) {
451 - require_once $admin_onboarding_page;
452 - }
453 - }
454 55 }
455 56
456 57 /**
457 - * Lazy-load the PDF parser library only when needed.
458 - * Avoids loading 44 files on every page request.
459 - */
460 -function mxchat_load_pdf_parser() {
461 - if (class_exists('\Smalot\PdfParser\Parser')) {
462 - return true;
463 - }
464 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
465 - if (file_exists($autoload_path)) {
466 - require_once $autoload_path;
467 - return true;
468 - }
469 - return false;
470 -}
471 -
472 -/**
473 58 * Create URL click tracking table
474 59 */
475 60 function mxchat_create_url_clicks_table() {
476 61 global $wpdb;
@@ -553,13 +138,12 @@
553 138
554 139 // Define all required columns and their types
555 140 $required_columns = [
556 141 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
557 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
142 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
558 143 'user_name' => 'VARCHAR(100) DEFAULT NULL',
559 144 'originating_page_url' => 'TEXT DEFAULT NULL',
560 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
561 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
145 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
562 146 ];
563 147
564 148 // Get existing columns
565 149 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -679,137 +263,32 @@
679 263 }
680 264 }
681 265
682 266 /**
683 - * Create Pinecone role restrictions table with multi-bot support
267 + * Create Pinecone role restrictions table
684 268 */
685 269 function mxchat_create_pinecone_roles_table() {
686 270 global $wpdb;
687 -
271 +
688 272 $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
689 273 $charset_collate = $wpdb->get_charset_collate();
690 -
274 +
691 275 $sql = "CREATE TABLE $table_name (
692 276 id mediumint(9) NOT NULL AUTO_INCREMENT,
693 277 vector_id varchar(255) NOT NULL,
694 - bot_id varchar(50) NOT NULL DEFAULT 'default',
695 278 source_url text,
696 279 role_restriction varchar(50) DEFAULT 'public',
697 280 updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
698 281 PRIMARY KEY (id),
699 - UNIQUE KEY vector_bot (vector_id, bot_id),
700 - KEY role_restriction (role_restriction),
701 - KEY bot_id (bot_id)
282 + UNIQUE KEY vector_id (vector_id),
283 + KEY role_restriction (role_restriction)
702 284 ) $charset_collate;";
703 -
285 +
704 286 require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
705 287 dbDelta($sql);
706 288 }
707 289
708 290 /**
709 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
710 - * This migration runs once to update existing installations
711 - */
712 -function mxchat_migrate_pinecone_roles_add_bot_id() {
713 - global $wpdb;
714 -
715 - // Check if migration already ran
716 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
717 - if (version_compare($migration_version, '2.5.2', '>=')) {
718 - return; // Already migrated
719 - }
720 -
721 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
722 -
723 - // Check if table exists
724 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
725 - return; // Table doesn't exist yet
726 - }
727 -
728 - // Check if bot_id column already exists
729 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
730 -
731 - if (empty($column_exists)) {
732 - // Add bot_id column
733 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
734 -
735 - // Update the unique key to include bot_id
736 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
737 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
738 -
739 - // Add index for bot_id
740 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
741 -
742 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
743 - }
744 -
745 - // Mark migration as complete
746 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
747 -}
748 -
749 -/**
750 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
751 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
752 - */
753 -function mxchat_migrate_add_content_type_column() {
754 - global $wpdb;
755 -
756 - // Check if migration already ran
757 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
758 - if (version_compare($migration_version, '2.5.6', '>=')) {
759 - return;
760 - }
761 -
762 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
763 -
764 - // Check if table exists
765 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
766 - return;
767 - }
768 -
769 - // Check if content_type column already exists
770 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
771 -
772 - if (empty($column_exists)) {
773 - // Add content_type column with default value 'content' for backwards compatibility
774 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
775 -
776 - // Add index for better query performance
777 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
778 -
779 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
780 - }
781 -
782 - // Mark migration as complete
783 - update_option('mxchat_content_type_migration_version', '2.5.6');
784 -}
785 -
786 -/**
787 - * 3.2.4: Backfill the active embedding model option for installs that already
788 - * have KB content but no stamped model. The mismatch warning compares this
789 - * against the user's currently selected model — no per-row column needed.
790 - */
791 -function mxchat_backfill_active_embedding_model() {
792 - global $wpdb;
793 -
794 - if (get_option('mxchat_active_embedding_model', '') !== '') {
795 - return;
796 - }
797 -
798 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
799 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
800 - return;
801 - }
802 -
803 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
804 - if ($kb_count > 0) {
805 - $options = get_option('mxchat_options', array());
806 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
807 - update_option('mxchat_active_embedding_model', $current_model, false);
808 - }
809 -}
810 -
811 -/**
812 291 * 2.5.2: Create queue processing tables for reliable background processing
813 292 */
814 293 function mxchat_create_queue_tables() {
815 294 global $wpdb;
@@ -857,58 +336,8 @@
857 336 //error_log("MxChat: Queue tables created/updated successfully");
858 337 }
859 338
860 339 /**
861 - * Create transcript translations table for persisting translations
862 - */
863 -function mxchat_create_translations_table() {
864 - global $wpdb;
865 - $charset_collate = $wpdb->get_charset_collate();
866 -
867 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
868 - $sql = "CREATE TABLE $table_name (
869 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
870 - session_id varchar(255) NOT NULL,
871 - language_code varchar(10) NOT NULL,
872 - translations longtext NOT NULL,
873 - created_at datetime NOT NULL,
874 - updated_at datetime NOT NULL,
875 - PRIMARY KEY (id),
876 - UNIQUE KEY session_lang (session_id, language_code),
877 - KEY session_id (session_id)
878 - ) $charset_collate;";
879 -
880 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
881 - dbDelta($sql);
882 -}
883 -
884 -/**
885 - * Create per-session satisfaction ratings table (v3.2.6)
886 - * Stores one 👍/👎 rating + optional feedback per chat session.
887 - */
888 -function mxchat_create_session_ratings_table() {
889 - global $wpdb;
890 - $charset_collate = $wpdb->get_charset_collate();
891 -
892 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
893 - $sql = "CREATE TABLE $table_name (
894 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
895 - session_id varchar(255) NOT NULL,
896 - bot_id varchar(50) NOT NULL DEFAULT 'default',
897 - rating_value tinyint(1) NOT NULL,
898 - rating_feedback text DEFAULT NULL,
899 - created_at datetime NOT NULL,
900 - PRIMARY KEY (id),
901 - UNIQUE KEY session_id (session_id),
902 - KEY bot_id (bot_id),
903 - KEY created_at (created_at)
904 - ) $charset_collate;";
905 -
906 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
907 - dbDelta($sql);
908 -}
909 -
910 -/**
911 340 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
912 341 * This fixes "url, source_url. The supplied values may be too long" errors
913 342 */
914 343 function mxchat_fix_url_column_size() {
@@ -931,80 +360,22 @@
931 360
932 361 /**
933 362 * Migrate deprecated AI models to their replacements
934 363 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
935 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
936 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
937 364 */
938 -function mxchat_migrate_transcripts_charset() {
939 - global $wpdb;
940 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
941 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
942 -}
943 -
944 -/**
945 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
946 - */
947 365 function mxchat_migrate_deprecated_models() {
948 366 $options = get_option('mxchat_options', array());
949 - $migrated = false;
950 - $migration_message = '';
951 -
952 - if (!isset($options['model'])) {
953 - return;
954 - }
955 -
956 - $current_model = $options['model'];
957 -
958 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
959 - $deprecated_claude_models = array(
960 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
961 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
962 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
963 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
964 - 'claude-3-sonnet-20240229', // Legacy
965 - 'claude-3-haiku-20240307', // Legacy
966 - );
967 - if (in_array($current_model, $deprecated_claude_models, true)) {
968 - $options['model'] = 'claude-opus-4-6';
969 - $migrated = true;
970 - $migration_message = sprintf(
971 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
972 - $current_model
973 - );
974 - }
975 -
976 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
977 - if ($current_model === 'claude-3-5-haiku-20241022') {
978 - $options['model'] = 'claude-haiku-4-5-20251001';
979 - $migrated = true;
980 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
981 - }
982 -
983 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
984 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
985 - $options['model'] = 'gpt-5.1-chat-latest';
986 - $migrated = true;
987 - $migration_message = sprintf(
988 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
989 - $current_model
990 - );
991 - }
992 -
993 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
994 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
995 - $options['model'] = 'gpt-5-mini';
996 - $migrated = true;
997 - $migration_message = sprintf(
998 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
999 - $current_model
1000 - );
1001 - }
1002 -
1003 - if ($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';
1004 372 update_option('mxchat_options', $options);
373 +
374 + // Set a flag to show admin notice
1005 375 update_option('mxchat_model_migrated_notice', true);
1006 - update_option('mxchat_model_migration_message', $migration_message);
376 +
377 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
1007 378 }
1008 379 }
1009 380
1010 381 /**
@@ -1011,19 +382,17 @@
1011 382 * Show admin notice after model migration
1012 383 */
1013 384 function mxchat_show_migration_notice() {
1014 385 if (get_option('mxchat_model_migrated_notice')) {
1015 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
1016 386 ?>
1017 387 <div class="notice notice-info is-dismissible">
1018 388 <p>
1019 389 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
1020 - <?php echo esc_html($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'); ?>
1021 391 </p>
1022 392 </div>
1023 393 <?php
1024 394 delete_option('mxchat_model_migrated_notice');
1025 - delete_option('mxchat_model_migration_message');
1026 395 }
1027 396 }
1028 397
1029 398 function mxchat_activate() {
@@ -1043,12 +412,10 @@
1043 412 article_content LONGTEXT NOT NULL,
1044 413 embedding_vector LONGTEXT,
1045 414 source_url TEXT DEFAULT NULL,
1046 415 role_restriction VARCHAR(50) DEFAULT 'public',
1047 - content_type VARCHAR(50) DEFAULT 'content',
1048 416 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1049 - PRIMARY KEY (id),
1050 - KEY content_type (content_type)
417 + PRIMARY KEY (id)
1051 418 ) $charset_collate;";
1052 419
1053 420 // Intents Table - NOW INCLUDES enabled_bots column from the start
1054 421 $intents_table = $wpdb->prefix . 'mxchat_intents';
@@ -1063,26 +430,13 @@
1063 430 enabled_bots LONGTEXT DEFAULT NULL,
1064 431 PRIMARY KEY (id)
1065 432 ) $charset_collate;";
1066 433
1067 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1068 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1069 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1070 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1071 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1072 - phrase TEXT NOT NULL,
1073 - embedding_vector LONGTEXT NOT NULL,
1074 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1075 - PRIMARY KEY (id),
1076 - KEY intent_id (intent_id)
1077 - ) $charset_collate;";
1078 -
1079 434 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1080 435
1081 436 // Create other tables
1082 437 dbDelta($sql_system_prompt);
1083 438 dbDelta($sql_intents_table);
1084 - dbDelta($sql_intent_phrases_table);
1085 439
1086 440 // Create URL click tracking table
1087 441 mxchat_create_url_clicks_table();
1088 442
@@ -1091,14 +445,8 @@
1091 445
1092 446 // NEW 2.5.2: Create queue processing tables
1093 447 mxchat_create_queue_tables();
1094 448
1095 - // Create transcript translations table
1096 - mxchat_create_translations_table();
1097 -
1098 - // Create per-session satisfaction ratings table (v3.2.6)
1099 - mxchat_create_session_ratings_table();
1100 -
1101 449 // Ensure additional columns in system prompt table
1102 450 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1103 451 if (!empty($existing_system_columns)) {
1104 452 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1138,20 +486,14 @@
1138 486 ));
1139 487 }
1140 488 }
1141 489
1142 - // Run migration for existing installations
1143 - mxchat_migrate_pinecone_roles_add_bot_id();
1144 -
1145 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1146 - mxchat_backfill_active_embedding_model();
1147 -
1148 490 // Setup cron jobs
1149 491 mxchat_setup_cron_jobs();
1150 492
1151 493 // Update version
1152 494 update_option('mxchat_plugin_version', MXCHAT_VERSION);
1153 -
495 +
1154 496 //error_log("MxChat: Activation function completed");
1155 497 }
1156 498
1157 499 /**
@@ -1179,22 +521,8 @@
1179 521 } else {
1180 522 // Clear fallback flags if cron scheduling succeeded
1181 523 delete_option('mxchat_use_fallback_rate_limits');
1182 524 }
1183 -
1184 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
1185 - $transcript_options = get_option('mxchat_transcripts_options', array());
1186 - $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1187 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1188 -
1189 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
1190 - // Check if not already scheduled
1191 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1192 - // Schedule to run daily at 3 AM
1193 - $next_run = strtotime('tomorrow 3:00 AM');
1194 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
1195 - }
1196 - }
1197 525 }
1198 526
1199 527 /**
1200 528 * Clean up on plugin deactivation
@@ -1201,10 +529,8 @@
1201 529 */
1202 530 function mxchat_deactivate() {
1203 531 // Clear scheduled cron jobs
1204 532 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1205 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1206 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1207 533
1208 534 // Clear fallback options
1209 535 delete_option('mxchat_use_fallback_rate_limits');
1210 536 delete_option('mxchat_next_rate_limit_check');
@@ -1264,14 +590,11 @@
1264 590
1265 591 // Version-specific migrations
1266 592 if ($current_version !== $plugin_version) {
1267 593 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1268 -
594 +
1269 595 // Run live agent update BEFORE updating the stored version
1270 596 mxchat_handle_live_agent_update();
1271 -
1272 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1273 - mxchat_handle_theme_migration_notice();
1274 597
1275 598 // Run role restriction migration for 2.4.1
1276 599 if (version_compare($current_version, '2.4.1', '<')) {
1277 600 mxchat_add_role_restriction_column();
@@ -1292,43 +615,9 @@
1292 615 mxchat_create_queue_tables();
1293 616 mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1294 617 //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1295 618 }
1296 -
1297 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1298 - if (version_compare($current_version, '2.6.0', '<')) {
1299 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1300 - mxchat_ensure_all_columns($chat_table);
1301 - //error_log("MxChat: rag_context column migration for 2.6.0");
1302 - }
1303 -
1304 - // 3.0.5: Migrate deprecated Gemini embedding model
1305 - if (version_compare($current_version, '3.0.5', '<')) {
1306 - mxchat_migrate_gemini_embedding_model();
1307 - }
1308 -
1309 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1310 - if (version_compare($current_version, '3.0.6', '<')) {
1311 - mxchat_migrate_deprecated_models();
1312 - }
1313 -
1314 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1315 - if (version_compare($current_version, '3.1.2', '<')) {
1316 - mxchat_migrate_transcripts_charset();
1317 - }
1318 -
1319 - // 3.1.7: Clean up stale shared session email/name entries
1320 - if (version_compare($current_version, '3.1.7', '<')) {
1321 - delete_option('mxchat_email_null');
1322 - delete_option('mxchat_name_null');
1323 - }
1324 -
1325 - // 3.2.4: Backfill active embedding model option for the warning UI
1326 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1327 - if (version_compare($current_version, '3.2.4', '<')) {
1328 - mxchat_backfill_active_embedding_model();
1329 - }
1330 -
619 +
1331 620 // Run full activation to ensure everything is up to date
1332 621 mxchat_activate();
1333 622
1334 623 // Run migration functions
@@ -1460,59 +749,31 @@
1460 749 function mxchat_handle_live_agent_update() {
1461 750 // Get the CURRENT stored version (before it gets updated)
1462 751 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1463 752 $new_version = '2.2.2';
1464 -
753 +
1465 754 // Only run this once for the update to 2.2.2
1466 755 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1467 -
756 +
1468 757 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1469 758 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1470 759 $options = get_option('mxchat_options', array());
1471 -
760 +
1472 761 // Check if live agent was previously enabled
1473 762 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1474 763 // Disable live agent
1475 764 $options['live_agent_status'] = 'off';
1476 765 update_option('mxchat_options', $options);
1477 -
766 +
1478 767 // Set flag to show the notification banner
1479 768 update_option('mxchat_show_live_agent_disabled_notice', true);
1480 769 }
1481 -
770 +
1482 771 // Mark this update as handled
1483 772 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1484 773 }
1485 774 }
1486 775
1487 -/**
1488 - * Handle theme migration notice for version 3.0.1
1489 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1490 - */
1491 -function mxchat_handle_theme_migration_notice() {
1492 - // Get the CURRENT stored version (before it gets updated)
1493 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1494 - $target_version = '3.0.1';
1495 -
1496 - // Only run this once for the update to 3.0.1
1497 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1498 -
1499 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1500 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1501 - // Check if Pro is activated - only show to Pro users
1502 - $license_status = get_option('mxchat_license_status', 'inactive');
1503 - $is_pro = ($license_status === 'active');
1504 -
1505 - if ($is_pro) {
1506 - // Set flag to show the theme migration notification banner
1507 - update_option('mxchat_show_theme_migration_notice', true);
1508 - }
1509 -
1510 - // Mark this update as handled (whether Pro or not)
1511 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1512 - }
1513 -}
1514 -
1515 776 // Initialize plugin safely
1516 777 function mxchat_init() {
1517 778 // Include all class files first
1518 779 mxchat_include_classes();
@@ -1544,32 +805,10 @@
1544 805 // Initialize meta box class
1545 806 if (class_exists('MxChat_Meta_Box')) {
1546 807 new MxChat_Meta_Box();
1547 808 }
1548 -
1549 809 }
1550 -
1551 - // Initialize content generator globally — it registers wp_head hook
1552 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1553 - if (class_exists('MxChat_Content_Generator')) {
1554 - new MxChat_Content_Generator();
1555 - }
1556 -
1557 - // Initialize cache purge globally — settings writes can happen on any
1558 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
1559 - // deferred-purge cron event fires on front-end requests.
1560 - if (class_exists('MxChat_Cache_Purge')) {
1561 - MxChat_Cache_Purge::init();
1562 - }
1563 -
1564 - // Initialize REST API globally — endpoints must be registered on
1565 - // every request (admin and frontend) so they're reachable via /wp-json/.
1566 - // Endpoints are auth-gated and locked until the site owner generates
1567 - // a token in MxChat → API Access.
1568 - if (class_exists('MxChat_Rest_Api')) {
1569 - new MxChat_Rest_Api();
1570 - }
1571 -
810 +
1572 811 // Initialize public classes
1573 812 if (class_exists('MxChat_Public')) {
1574 813 $mxchat_public = new MxChat_Public();
1575 814 }
@@ -1596,74 +835,8 @@
1596 835
1597 836 // Run initialization on plugins_loaded
1598 837 add_action('plugins_loaded', 'mxchat_init');
1599 838
1600 -// Run migration check on admin init (for auto-updates without reactivation)
1601 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1602 -
1603 -/**
1604 - * Check and run migrations on admin init
1605 - * This ensures migrations run even when plugin is auto-updated
1606 - */
1607 -function mxchat_check_and_run_migrations() {
1608 - // Only run in admin and not on every request
1609 - static $checked = false;
1610 - if ($checked) {
1611 - return;
1612 - }
1613 - $checked = true;
1614 -
1615 - mxchat_migrate_pinecone_roles_add_bot_id();
1616 - mxchat_migrate_add_content_type_column();
1617 - mxchat_migrate_add_translations_table();
1618 - mxchat_migrate_add_session_ratings_table();
1619 -}
1620 -
1621 -/**
1622 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1623 - * For users upgrading from versions before 3.2.6
1624 - */
1625 -function mxchat_migrate_add_session_ratings_table() {
1626 - $migration_key = 'mxchat_session_ratings_table_created';
1627 - if (get_option($migration_key)) {
1628 - return;
1629 - }
1630 - mxchat_create_session_ratings_table();
1631 - update_option($migration_key, '3.2.6');
1632 -}
1633 -
1634 -/**
1635 - * Migration: Create transcript translations table (v3.0.4)
1636 - * For users upgrading from versions before 3.0.4
1637 - */
1638 -function mxchat_migrate_add_translations_table() {
1639 - $migration_key = 'mxchat_translations_table_created';
1640 -
1641 - // Check if migration already ran
1642 - if (get_option($migration_key)) {
1643 - return;
1644 - }
1645 -
1646 - // Create the translations table
1647 - mxchat_create_translations_table();
1648 -
1649 - // Mark migration as complete
1650 - update_option($migration_key, '3.0.4');
1651 -}
1652 -
1653 -/**
1654 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1655 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1656 - */
1657 -function mxchat_migrate_gemini_embedding_model() {
1658 - $options = get_option('mxchat_options', array());
1659 -
1660 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1661 - $options['embedding_model'] = 'gemini-embedding-001';
1662 - update_option('mxchat_options', $options);
1663 - }
1664 -}
1665 -
1666 839 // Register activation hook
1667 840 register_activation_hook(__FILE__, 'mxchat_activate');
1668 841
1669 842 // Add cron schedule
@@ -1675,67 +848,5 @@
1675 848 return $schedules;
1676 849 });
1677 850
1678 851 // Register deactivation hook
1679 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1680 -
1681 -/**
1682 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1683 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1684 - * session_id makes this naturally idempotent — only the first rating per
1685 - * session is stored; duplicate POSTs are silent no-ops.
1686 - */
1687 -function mxchat_save_session_rating() {
1688 - global $wpdb;
1689 -
1690 - $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : '';
1691 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1692 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1693 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1694 -
1695 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1696 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1697 - }
1698 -
1699 - if (strlen($feedback) > 1000) {
1700 - $feedback = substr($feedback, 0, 1000);
1701 - }
1702 -
1703 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1704 - $existing = $wpdb->get_var($wpdb->prepare(
1705 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1706 - $session_id
1707 - ));
1708 -
1709 - if ($existing) {
1710 - if ($feedback !== '') {
1711 - $wpdb->update(
1712 - $table_name,
1713 - array('rating_feedback' => $feedback),
1714 - array('id' => (int) $existing),
1715 - array('%s'),
1716 - array('%d')
1717 - );
1718 - }
1719 - wp_send_json_success(array('updated' => true));
1720 - }
1721 -
1722 - $inserted = $wpdb->insert(
1723 - $table_name,
1724 - array(
1725 - 'session_id' => $session_id,
1726 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1727 - 'rating_value' => $rating_raw,
1728 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1729 - 'created_at' => current_time('mysql'),
1730 - ),
1731 - array('%s', '%s', '%d', '%s', '%s')
1732 - );
1733 -
1734 - if ($inserted === false) {
1735 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1736 - }
1737 -
1738 - wp_send_json_success(array('saved' => true));
1739 -}
1740 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1741 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
852 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');