PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 3.0.3
MxChat – AI Chatbot & Content Generation for WordPress v3.0.3
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 +47 -818 3.2.15 → 3.0.3 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: 3.2.15
6 + * Version: 3.0.3
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
@@ -15,49 +15,15 @@
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 - // MXCHAT_BASE_VERSION: the plain header version, stable across requests even in
28 - // dev mode. Use it for anything PERSISTED or COMPARED (the stored
29 - // mxchat_plugin_version option and the migration gate in
30 - // mxchat_check_for_update). MXCHAT_VERSION keeps the time() suffix in dev for
31 - // ASSET cache-busting only — persisting the suffixed value made the version
32 - // comparison churn every request, re-running the full activation/migration
33 - // suite per page load on dev installs.
34 - define('MXCHAT_BASE_VERSION', $version);
35 - if (MXCHAT_DEV_MODE) {
36 - $version .= '.' . time();
37 - }
38 - define('MXCHAT_VERSION', $version);
23 + define('MXCHAT_VERSION', $plugin_data['Version']);
39 24 }
40 25
41 -/**
42 - * Honest, versioned User-Agent for MXChat remote-content ingestion fetches
43 - * (Knowledge Base PDF import, URL import, sitemap / website crawl).
44 - *
45 - * WAF rulesets (SiteGround/ModSecurity, Wordfence, Cloudflare managed rules)
46 - * flag stale spoofed-browser UAs as scrapers and return 403 — which silently
47 - * broke the single most common KB source: self-hosted media on the site's own
48 - * domain. A truthful crawler identifier is the industry norm for well-behaved
49 - * bots and lets a site owner allowlist "MXChatBot" in their WAF. Filterable so
50 - * a locked-down host can supply a different string without a code change.
51 - */
52 -if (!function_exists('mxchat_ingest_user_agent')) {
53 - function mxchat_ingest_user_agent() {
54 - $version = defined('MXCHAT_VERSION') ? MXCHAT_VERSION : '1.0';
55 - $ua = 'MXChatBot/' . $version . ' (+https://mxchat.ai/bot)';
56 - return apply_filters('mxchat_ingest_user_agent', $ua);
57 - }
58 -}
59 -
60 26 function mxchat_load_textdomain() {
61 27 $domain = 'mxchat';
62 28 $locale = determine_locale();
63 29
@@ -72,348 +38,11 @@
72 38 load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
73 39 }
74 40 add_action('init', 'mxchat_load_textdomain');
75 41
76 -/**
77 - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026.
78 - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview
79 - * (Google's official migration target) the first time admin_init fires after update.
80 - */
81 -add_action('admin_init', function () {
82 - if (get_option('mxchat_gemini_3_remap_done')) {
83 - return;
84 - }
85 - $opts = get_option('mxchat_options');
86 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') {
87 - $opts['model'] = 'gemini-3.1-pro-preview';
88 - update_option('mxchat_options', $opts);
89 - }
90 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') {
91 - $opts['content_model'] = 'gemini-3.1-pro-preview';
92 - update_option('mxchat_options', $opts);
93 - }
94 - update_option('mxchat_gemini_3_remap_done', 1);
95 -});
96 -
97 -/**
98 - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212,
99 - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing
100 - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning
101 - * (modern, fast, broadly available) the first time admin_init fires after update.
102 - */
103 -add_action('admin_init', function () {
104 - if (get_option('mxchat_grok_2_remap_done')) {
105 - return;
106 - }
107 - $opts = get_option('mxchat_options');
108 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') {
109 - $opts['model'] = 'grok-4-1-fast-non-reasoning';
110 - update_option('mxchat_options', $opts);
111 - }
112 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') {
113 - $opts['content_model'] = 'grok-4-1-fast-non-reasoning';
114 - update_option('mxchat_options', $opts);
115 - }
116 - update_option('mxchat_grok_2_remap_done', 1);
117 -});
118 -
119 -/**
120 - * One-time migration: Anthropic retired the Claude 4 (2025-05-14) snapshots on
121 - * June 15, 2026 — claude-opus-4-20250514 and claude-sonnet-4-20250514 now return
122 - * an API error. Existing installs with a dead ID get auto-remapped to the current
123 - * equivalents Anthropic recommends (Opus 4.8 / Sonnet 4.6) the first time admin_init
124 - * fires after update. Mirrors the gemini-3-pro-preview / grok-2 rescues above.
125 - */
126 -add_action('admin_init', function () {
127 - if (get_option('mxchat_claude_4_retire_remap_done')) {
128 - return;
129 - }
130 - $map = array(
131 - 'claude-opus-4-20250514' => 'claude-opus-4-8',
132 - 'claude-sonnet-4-20250514' => 'claude-sonnet-4-6',
133 - );
134 - $opts = get_option('mxchat_options');
135 - if (is_array($opts)) {
136 - $changed = false;
137 - if (isset($opts['model']) && isset($map[$opts['model']])) {
138 - $opts['model'] = $map[$opts['model']];
139 - $changed = true;
140 - }
141 - if (isset($opts['content_model']) && isset($map[$opts['content_model']])) {
142 - $opts['content_model'] = $map[$opts['content_model']];
143 - $changed = true;
144 - }
145 - if ($changed) {
146 - update_option('mxchat_options', $opts);
147 - }
148 - }
149 - update_option('mxchat_claude_4_retire_remap_done', 1);
150 -});
151 -
152 -/**
153 - * Exclude MxChat assets from caching plugin optimizations
154 - *
155 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
156 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
157 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
158 - *
159 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
160 - * be excluded from any optimization that changes load order or timing.
161 - */
162 -
163 -// ── WP Rocket ────────────────────────────────────────────────────────────────
164 -
165 -// Exclude from Remove Unused CSS (RUCSS)
166 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
167 - if (!is_array($exclusions)) $exclusions = array();
168 - $exclusions[] = 'mxchat';
169 - return $exclusions;
170 -});
171 -
172 -// Exclude CSS from minification/combination
173 -add_filter('rocket_exclude_css', function($excluded) {
174 - if (!is_array($excluded)) $excluded = array();
175 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
176 - return $excluded;
177 -});
178 -
179 -// Exclude JS from minification/combination
180 -add_filter('rocket_exclude_js', function($excluded) {
181 - if (!is_array($excluded)) $excluded = array();
182 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
183 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
184 - $excluded[] = '/jquery-core';
185 - $excluded[] = '/jquery.min.js';
186 - $excluded[] = '/jquery.js';
187 - $excluded[] = '/jquery-migrate';
188 - return $excluded;
189 -});
190 -
191 -// Exclude JS from defer
192 -add_filter('rocket_exclude_defer_js', function($excluded) {
193 - if (!is_array($excluded)) $excluded = array();
194 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
195 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
196 - $excluded[] = '/jquery-core';
197 - $excluded[] = '/jquery.min.js';
198 - $excluded[] = '/jquery.js';
199 - $excluded[] = '/jquery-migrate';
200 - return $excluded;
201 -});
202 -
203 -// Exclude from delay JS execution
204 -add_filter('rocket_delay_js_exclusions', function($excluded) {
205 - if (!is_array($excluded)) $excluded = array();
206 - $excluded[] = 'mxchat';
207 - $excluded[] = 'chat-script';
208 - $excluded[] = 'floating-script';
209 - $excluded[] = '/jquery-core';
210 - $excluded[] = '/jquery.min.js';
211 - $excluded[] = '/jquery.js';
212 - $excluded[] = '/jquery-migrate';
213 - return $excluded;
214 -});
215 -
216 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
217 -
218 -// Exclude CSS from optimization
219 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
220 - if (!is_array($excluded)) $excluded = array();
221 - $excluded[] = 'chat-style.css';
222 - $excluded[] = 'mxchat';
223 - return $excluded;
224 -});
225 -
226 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
227 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
228 - if (!is_array($whitelist)) $whitelist = array();
229 - $whitelist[] = '.mxchat-chatbot-wrapper';
230 - $whitelist[] = '.floating-chatbot';
231 - $whitelist[] = '.floating-chatbot-button';
232 - $whitelist[] = '.chatbot-top-bar';
233 - $whitelist[] = '.mxchat-chatbot';
234 - $whitelist[] = '.chat-container';
235 - $whitelist[] = '.chat-box';
236 - $whitelist[] = '.bot-message';
237 - $whitelist[] = '.input-container';
238 - $whitelist[] = '.chat-input';
239 - $whitelist[] = '.send-button';
240 - $whitelist[] = '.pre-chat-message';
241 - $whitelist[] = '.mxchat-popular-questions';
242 - $whitelist[] = '.chat-toolbar';
243 - $whitelist[] = '.exit-chat';
244 - $whitelist[] = '.email-blocker';
245 - return $whitelist;
246 -});
247 -
248 -// Exclude CSS from CCSS (Critical CSS) generation
249 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
250 - if (!is_array($excluded)) $excluded = array();
251 - $excluded[] = 'chat-style.css';
252 - $excluded[] = 'mxchat';
253 - return $excluded;
254 -});
255 -
256 -// Exclude JS from defer
257 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
258 - if (!is_array($excluded)) $excluded = array();
259 - $excluded[] = 'chat-script.js';
260 - $excluded[] = 'floating-script.js';
261 - $excluded[] = 'mxchat';
262 - $excluded[] = 'jquery.min.js';
263 - $excluded[] = 'jquery.js';
264 - return $excluded;
265 -});
266 -
267 -// Exclude JS from combining
268 -add_filter('litespeed_optm_js_exc', function($excluded) {
269 - if (!is_array($excluded)) $excluded = array();
270 - $excluded[] = 'chat-script.js';
271 - $excluded[] = 'floating-script.js';
272 - $excluded[] = 'mxchat';
273 - $excluded[] = 'jquery.min.js';
274 - $excluded[] = 'jquery.js';
275 - return $excluded;
276 -});
277 -
278 -// Exclude JS from delayed execution
279 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
280 - if (!is_array($excluded)) $excluded = array();
281 - $excluded[] = 'chat-script.js';
282 - $excluded[] = 'floating-script.js';
283 - $excluded[] = 'mxchat';
284 - return $excluded;
285 -});
286 -
287 -// Exclude from Guest Mode optimization
288 -add_filter('litespeed_guest_optm_exc', function($excluded) {
289 - if (!is_array($excluded)) $excluded = array();
290 - $excluded[] = 'mxchat';
291 - $excluded[] = 'chat-style';
292 - $excluded[] = 'chat-script';
293 - $excluded[] = 'floating-script';
294 - return $excluded;
295 -});
296 -
297 -// ── Autoptimize ──────────────────────────────────────────────────────────────
298 -
299 -// Exclude CSS from optimization (comma-separated strings)
300 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
301 - if (!is_string($excluded)) $excluded = '';
302 - return $excluded . ', mxchat, chat-style.css';
303 -});
304 -
305 -// Exclude JS from optimization (comma-separated strings)
306 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
307 - if (!is_string($excluded)) $excluded = '';
308 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
309 -});
310 -
311 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
312 -
313 -add_filter('sgo_js_minify_exclude', function($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 $excluded;
319 -});
320 -
321 -add_filter('sgo_javascript_combine_exclude', function($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 $excluded;
327 -});
328 -
329 -add_filter('sgo_js_async_exclude', function($excluded) {
330 - if (!is_array($excluded)) $excluded = array();
331 - $excluded[] = 'chat-script.js';
332 - $excluded[] = 'floating-script.js';
333 - $excluded[] = 'jquery.min.js';
334 - return $excluded;
335 -});
336 -
337 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
338 -
339 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
340 - if (strpos($file, 'chat-script.js') !== false ||
341 - strpos($file, 'floating-script.js') !== false ||
342 - strpos($file, 'jquery.min.js') !== false ||
343 - strpos($file, 'jquery.js') !== false) {
344 - return false;
345 - }
346 - return $do_minify;
347 -}, 10, 3);
348 -
349 -// ── WP Super Cache ──────────────────────────────────────────────────────────
350 -
351 -add_filter('wpsc_rejected_uri', function($rejected) {
352 - if (!is_array($rejected)) $rejected = array();
353 - $rejected[] = 'wp-admin/admin-ajax.php';
354 - return $rejected;
355 -});
356 -
357 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
358 -// Each cache plugin gets its own filter export so that visitors hitting an
359 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
360 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
361 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
362 -// and break the per-session nonce flow on the first message.
363 -
364 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
365 -add_filter('rocket_cache_reject_uri', function($uris) {
366 - if (!is_array($uris)) $uris = array();
367 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
368 - return $uris;
369 -});
370 -
371 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
372 -// caching when the request matches our chat-AJAX pattern.
373 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
374 - if ($no_cache) return $no_cache;
375 - if (!empty($_SERVER['REQUEST_URI']) &&
376 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
377 - !empty($_REQUEST['action']) &&
378 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
379 - return true;
380 - }
381 - return $no_cache;
382 -});
383 -
384 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
385 -// the URI matches.
386 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
387 - if ($skip) return $skip;
388 - if (!empty($_SERVER['REQUEST_URI']) &&
389 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
390 - !empty($_REQUEST['action']) &&
391 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
392 - return true;
393 - }
394 - return $skip;
395 -});
396 -
397 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
398 -// request. Same pattern as LiteSpeed / W3TC.
399 -add_filter('flying_press_cacheable', function($cacheable) {
400 - if (!$cacheable) return $cacheable;
401 - if (!empty($_SERVER['REQUEST_URI']) &&
402 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
403 - !empty($_REQUEST['action']) &&
404 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
405 - return false;
406 - }
407 - return $cacheable;
408 -});
409 -
410 42 // Include classes with error handling
411 43 function mxchat_include_classes() {
412 44 $class_files = array(
413 - 'includes/class-mxchat-model-catalog.php',
414 - 'includes/class-mxchat-live-agent-schedule.php',
415 - 'includes/class-mxchat-tool-registry.php',
416 45 'includes/class-mxchat-integrator.php',
417 46 'includes/class-mxchat-admin.php',
418 47 'includes/class-mxchat-public.php',
419 48 'includes/class-mxchat-utils.php',
@@ -419,13 +48,10 @@
419 48 'includes/class-mxchat-utils.php',
420 49 'includes/class-mxchat-user.php',
421 50 'includes/class-mxchat-meta-box.php',
422 51 'includes/class-mxchat-chunker.php',
52 + 'includes/pdf-parser/alt_autoload.php',
423 53 'includes/class-mxchat-word-handler.php',
424 - 'includes/class-mxchat-content-generator.php',
425 - 'includes/class-mxchat-cache-purge.php',
426 - 'includes/class-mxchat-editor-assistant.php',
427 - 'includes/class-rest-api.php',
428 54 'admin/class-ajax-handler.php',
429 55 'admin/class-pinecone-manager.php',
430 56 'admin/class-knowledge-manager.php'
431 57 );
@@ -437,57 +63,11 @@
437 63 } else {
438 64 //error_log('MxChat: Missing class file - ' . $file);
439 65 }
440 66 }
441 -
442 - // Register the native function-calling admin-post save handler (a41dee).
443 - if (class_exists('MxChat_Tool_Registry')) {
444 - MxChat_Tool_Registry::init();
445 - }
446 -
447 - // Editor Assistant — free, OFF-by-default block-editor AI actions (plan-8cb0cb).
448 - // init() wires REST + streaming AJAX + sidebar enqueue ONLY when the
449 - // mxchat_editor_assistant_enabled option is 'on'; otherwise zero footprint.
450 - if (class_exists('MxChat_Editor_Assistant')) {
451 - MxChat_Editor_Assistant::init();
452 - }
453 -
454 - // Admin pages that aren't classes (procedural include).
455 - if (is_admin()) {
456 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
457 - if (file_exists($admin_api_page)) {
458 - require_once $admin_api_page;
459 - }
460 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
461 - // The require MUST live here (admin bootstrap) and not just inside
462 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
463 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
464 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
465 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
466 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
467 - if (file_exists($admin_onboarding_page)) {
468 - require_once $admin_onboarding_page;
469 - }
470 - }
471 67 }
472 68
473 69 /**
474 - * Lazy-load the PDF parser library only when needed.
475 - * Avoids loading 44 files on every page request.
476 - */
477 -function mxchat_load_pdf_parser() {
478 - if (class_exists('\Smalot\PdfParser\Parser')) {
479 - return true;
480 - }
481 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
482 - if (file_exists($autoload_path)) {
483 - require_once $autoload_path;
484 - return true;
485 - }
486 - return false;
487 -}
488 -
489 -/**
490 70 * Create URL click tracking table
491 71 */
492 72 function mxchat_create_url_clicks_table() {
493 73 global $wpdb;
@@ -755,9 +335,9 @@
755 335
756 336 // Add index for bot_id
757 337 $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
758 338
759 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
339 + error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
760 340 }
761 341
762 342 // Mark migration as complete
763 343 update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
@@ -792,9 +372,9 @@
792 372
793 373 // Add index for better query performance
794 374 $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
795 375
796 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
376 + error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
797 377 }
798 378
799 379 // Mark migration as complete
800 380 update_option('mxchat_content_type_migration_version', '2.5.6');
@@ -800,33 +380,8 @@
800 380 update_option('mxchat_content_type_migration_version', '2.5.6');
801 381 }
802 382
803 383 /**
804 - * 3.2.4: Backfill the active embedding model option for installs that already
805 - * have KB content but no stamped model. The mismatch warning compares this
806 - * against the user's currently selected model — no per-row column needed.
807 - */
808 -function mxchat_backfill_active_embedding_model() {
809 - global $wpdb;
810 -
811 - if (get_option('mxchat_active_embedding_model', '') !== '') {
812 - return;
813 - }
814 -
815 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
816 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
817 - return;
818 - }
819 -
820 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
821 - if ($kb_count > 0) {
822 - $options = get_option('mxchat_options', array());
823 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
824 - update_option('mxchat_active_embedding_model', $current_model, false);
825 - }
826 -}
827 -
828 -/**
829 384 * 2.5.2: Create queue processing tables for reliable background processing
830 385 */
831 386 function mxchat_create_queue_tables() {
832 387 global $wpdb;
@@ -874,58 +429,8 @@
874 429 //error_log("MxChat: Queue tables created/updated successfully");
875 430 }
876 431
877 432 /**
878 - * Create transcript translations table for persisting translations
879 - */
880 -function mxchat_create_translations_table() {
881 - global $wpdb;
882 - $charset_collate = $wpdb->get_charset_collate();
883 -
884 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
885 - $sql = "CREATE TABLE $table_name (
886 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
887 - session_id varchar(255) NOT NULL,
888 - language_code varchar(10) NOT NULL,
889 - translations longtext NOT NULL,
890 - created_at datetime NOT NULL,
891 - updated_at datetime NOT NULL,
892 - PRIMARY KEY (id),
893 - UNIQUE KEY session_lang (session_id, language_code),
894 - KEY session_id (session_id)
895 - ) $charset_collate;";
896 -
897 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
898 - dbDelta($sql);
899 -}
900 -
901 -/**
902 - * Create per-session satisfaction ratings table (v3.2.6)
903 - * Stores one 👍/👎 rating + optional feedback per chat session.
904 - */
905 -function mxchat_create_session_ratings_table() {
906 - global $wpdb;
907 - $charset_collate = $wpdb->get_charset_collate();
908 -
909 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
910 - $sql = "CREATE TABLE $table_name (
911 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
912 - session_id varchar(255) NOT NULL,
913 - bot_id varchar(50) NOT NULL DEFAULT 'default',
914 - rating_value tinyint(1) NOT NULL,
915 - rating_feedback text DEFAULT NULL,
916 - created_at datetime NOT NULL,
917 - PRIMARY KEY (id),
918 - UNIQUE KEY session_id (session_id),
919 - KEY bot_id (bot_id),
920 - KEY created_at (created_at)
921 - ) $charset_collate;";
922 -
923 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
924 - dbDelta($sql);
925 -}
926 -
927 -/**
928 433 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
929 434 * This fixes "url, source_url. The supplied values may be too long" errors
930 435 */
931 436 function mxchat_fix_url_column_size() {
@@ -948,93 +453,22 @@
948 453
949 454 /**
950 455 * Migrate deprecated AI models to their replacements
951 456 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
952 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
953 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
954 457 */
955 -function mxchat_migrate_transcripts_charset() {
956 - global $wpdb;
957 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
958 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
959 -}
960 -
961 -/**
962 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
963 - */
964 458 function mxchat_migrate_deprecated_models() {
965 459 $options = get_option('mxchat_options', array());
966 - $migrated = false;
967 - $migration_message = '';
968 -
969 - if (!isset($options['model'])) {
970 - return;
971 - }
972 -
973 - $current_model = $options['model'];
974 -
975 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
976 - $deprecated_claude_models = array(
977 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
978 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
979 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
980 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
981 - 'claude-3-sonnet-20240229', // Legacy
982 - 'claude-3-haiku-20240307', // Legacy
983 - );
984 - if (in_array($current_model, $deprecated_claude_models, true)) {
985 - $options['model'] = 'claude-opus-4-6';
986 - $migrated = true;
987 - $migration_message = sprintf(
988 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
989 - $current_model
990 - );
991 - }
992 -
993 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
994 - if ($current_model === 'claude-3-5-haiku-20241022') {
995 - $options['model'] = 'claude-haiku-4-5-20251001';
996 - $migrated = true;
997 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
998 - }
999 -
1000 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
1001 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
1002 - $options['model'] = 'gpt-5.1-chat-latest';
1003 - $migrated = true;
1004 - $migration_message = sprintf(
1005 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
1006 - $current_model
1007 - );
1008 - }
1009 -
1010 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
1011 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
1012 - $options['model'] = 'gpt-5-mini';
1013 - $migrated = true;
1014 - $migration_message = sprintf(
1015 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
1016 - $current_model
1017 - );
1018 - }
1019 -
1020 - // Migrate retired DeepSeek ids to DeepSeek V4 Flash — the vendor removed
1021 - // deepseek-chat and deepseek-reasoner on 2026-07-24 (hard cutoff, every
1022 - // request 400s). V4 Flash is DeepSeek's designated successor for the
1023 - // legacy deepseek-chat alias.
1024 - if (in_array($current_model, array('deepseek-chat', 'deepseek-reasoner'), true)) {
1025 - $options['model'] = 'deepseek-v4-flash';
1026 - $migrated = true;
1027 - $migration_message = sprintf(
1028 - 'Your chatbot model has been automatically updated from %s to DeepSeek V4 Flash because DeepSeek retired its older API models on July 24, 2026.',
1029 - $current_model
1030 - );
1031 - }
1032 -
1033 - if ($migrated) {
460 +
461 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
462 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
463 + // Update to Claude 3.7 Sonnet (the replacement model)
464 + $options['model'] = 'claude-3-7-sonnet-20250219';
1034 465 update_option('mxchat_options', $options);
466 +
467 + // Set a flag to show admin notice
1035 468 update_option('mxchat_model_migrated_notice', true);
1036 - update_option('mxchat_model_migration_message', $migration_message);
469 +
470 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
1037 471 }
1038 472 }
1039 473
1040 474 /**
@@ -1041,19 +475,17 @@
1041 475 * Show admin notice after model migration
1042 476 */
1043 477 function mxchat_show_migration_notice() {
1044 478 if (get_option('mxchat_model_migrated_notice')) {
1045 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
1046 479 ?>
1047 480 <div class="notice notice-info is-dismissible">
1048 481 <p>
1049 482 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
1050 - <?php echo esc_html($migration_message); ?>
483 + <?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'); ?>
1051 484 </p>
1052 485 </div>
1053 486 <?php
1054 487 delete_option('mxchat_model_migrated_notice');
1055 - delete_option('mxchat_model_migration_message');
1056 488 }
1057 489 }
1058 490
1059 491 function mxchat_activate() {
@@ -1093,26 +525,13 @@
1093 525 enabled_bots LONGTEXT DEFAULT NULL,
1094 526 PRIMARY KEY (id)
1095 527 ) $charset_collate;";
1096 528
1097 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1098 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1099 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1100 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1101 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1102 - phrase TEXT NOT NULL,
1103 - embedding_vector LONGTEXT NOT NULL,
1104 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1105 - PRIMARY KEY (id),
1106 - KEY intent_id (intent_id)
1107 - ) $charset_collate;";
1108 -
1109 529 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1110 530
1111 531 // Create other tables
1112 532 dbDelta($sql_system_prompt);
1113 533 dbDelta($sql_intents_table);
1114 - dbDelta($sql_intent_phrases_table);
1115 534
1116 535 // Create URL click tracking table
1117 536 mxchat_create_url_clicks_table();
1118 537
@@ -1121,14 +540,8 @@
1121 540
1122 541 // NEW 2.5.2: Create queue processing tables
1123 542 mxchat_create_queue_tables();
1124 543
1125 - // Create transcript translations table
1126 - mxchat_create_translations_table();
1127 -
1128 - // Create per-session satisfaction ratings table (v3.2.6)
1129 - mxchat_create_session_ratings_table();
1130 -
1131 544 // Ensure additional columns in system prompt table
1132 545 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1133 546 if (!empty($existing_system_columns)) {
1134 547 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1171,17 +584,13 @@
1171 584
1172 585 // Run migration for existing installations
1173 586 mxchat_migrate_pinecone_roles_add_bot_id();
1174 587
1175 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1176 - mxchat_backfill_active_embedding_model();
1177 -
1178 588 // Setup cron jobs
1179 589 mxchat_setup_cron_jobs();
1180 590
1181 - // Update version (stable base version — never the dev time()-suffixed one,
1182 - // or the check_for_update comparison would churn every request)
1183 - update_option('mxchat_plugin_version', MXCHAT_BASE_VERSION);
591 + // Update version
592 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
1184 593
1185 594 //error_log("MxChat: Activation function completed");
1186 595 }
1187 596
@@ -1196,35 +605,28 @@
1196 605 if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1197 606 // Set flag to use fallback system
1198 607 update_option('mxchat_use_fallback_rate_limits', true);
1199 608 update_option('mxchat_next_rate_limit_check', time() + 3600);
1200 - // Deliberately NO early return (plan-bc08a6): transcript cleanup below
1201 - // must still be scheduled. DISABLE_WP_CRON only changes HOW cron events
1202 - // execute (a server-side runner hitting wp-cron.php instead of loopback
1203 - // spawns) — scheduling still just writes the cron option. The old early
1204 - // return here meant a deactivate/reactivate cycle on a DISABLE_WP_CRON
1205 - // site permanently lost the transcript cleanup event while the retention
1206 - // setting still claimed to be active.
609 + return;
610 + }
611 +
612 + // Schedule the rate limit reset cron job
613 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
614 +
615 + if ($result === false) {
616 + // Fallback if scheduling fails
617 + update_option('mxchat_use_fallback_rate_limits', true);
618 + update_option('mxchat_next_rate_limit_check', time() + 3600);
1207 619 } else {
1208 - // Schedule the rate limit reset cron job
1209 - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1210 -
1211 - if ($result === false) {
1212 - // Fallback if scheduling fails
1213 - update_option('mxchat_use_fallback_rate_limits', true);
1214 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1215 - } else {
1216 - // Clear fallback flags if cron scheduling succeeded
1217 - delete_option('mxchat_use_fallback_rate_limits');
1218 - }
620 + // Clear fallback flags if cron scheduling succeeded
621 + delete_option('mxchat_use_fallback_rate_limits');
1219 622 }
1220 -
1221 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
623 +
624 + // Schedule transcript cleanup if configured
1222 625 $transcript_options = get_option('mxchat_transcripts_options', array());
1223 626 $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1224 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1225 -
1226 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
627 +
628 + if ($cleanup_interval !== 'never') {
1227 629 // Check if not already scheduled
1228 630 if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1229 631 // Schedule to run daily at 3 AM
1230 632 $next_run = strtotime('tomorrow 3:00 AM');
@@ -1261,25 +663,17 @@
1261 663 return;
1262 664 }
1263 665
1264 666 $next_check = get_option('mxchat_next_rate_limit_check', 0);
1265 -
667 +
1266 668 if (time() >= $next_check) {
1267 - // Reuse the bootstrap's integrator — mxchat_init() creates the global on
1268 - // plugins_loaded (before this init-priority-5 callback), so it's always set
1269 - // here. Constructing a second MxChat_Integrator just to call one method
1270 - // re-registers every hook the plugin has (ajax pairs, wp_footer loader,
1271 - // rest_api_init, admin_init guard) on a duplicate instance for the rest of
1272 - // the request. Defensive construction only if the global is somehow unset.
1273 - // NOTE: MxChat_Integrator::check_fallback_rate_limits() is a second
1274 - // implementation of this same check — if either changes, change both.
1275 - global $mxchat_integrator;
1276 - $integrator = ($mxchat_integrator instanceof MxChat_Integrator)
1277 - ? $mxchat_integrator
1278 - : (class_exists('MxChat_Integrator') ? new MxChat_Integrator() : null);
1279 - if ($integrator && method_exists($integrator, 'mxchat_reset_rate_limits')) {
1280 - $integrator->mxchat_reset_rate_limits();
1281 - update_option('mxchat_next_rate_limit_check', time() + 3600);
669 + // Only run reset if the MxChat_Integrator class exists
670 + if (class_exists('MxChat_Integrator')) {
671 + $integrator = new MxChat_Integrator();
672 + if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
673 + $integrator->mxchat_reset_rate_limits();
674 + update_option('mxchat_next_rate_limit_check', time() + 3600);
675 + }
1282 676 }
1283 677 }
1284 678 }
1285 679
@@ -1291,9 +685,9 @@
1291 685 global $wpdb;
1292 686
1293 687 try {
1294 688 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1295 - $plugin_version = MXCHAT_BASE_VERSION;
689 + $plugin_version = MXCHAT_VERSION;
1296 690
1297 691 // Always ensure critical tables exist (even if version matches)
1298 692 // This handles manual table deletion or fresh installs
1299 693 $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
@@ -1345,42 +739,8 @@
1345 739 mxchat_ensure_all_columns($chat_table);
1346 740 //error_log("MxChat: rag_context column migration for 2.6.0");
1347 741 }
1348 742
1349 - // 3.0.5: Migrate deprecated Gemini embedding model
1350 - if (version_compare($current_version, '3.0.5', '<')) {
1351 - mxchat_migrate_gemini_embedding_model();
1352 - }
1353 -
1354 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1355 - if (version_compare($current_version, '3.0.6', '<')) {
1356 - mxchat_migrate_deprecated_models();
1357 - }
1358 -
1359 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1360 - if (version_compare($current_version, '3.1.2', '<')) {
1361 - mxchat_migrate_transcripts_charset();
1362 - }
1363 -
1364 - // 3.1.7: Clean up stale shared session email/name entries
1365 - if (version_compare($current_version, '3.1.7', '<')) {
1366 - delete_option('mxchat_email_null');
1367 - delete_option('mxchat_name_null');
1368 - }
1369 -
1370 - // 3.2.4: Backfill active embedding model option for the warning UI
1371 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1372 - if (version_compare($current_version, '3.2.4', '<')) {
1373 - mxchat_backfill_active_embedding_model();
1374 - }
1375 -
1376 - // 3.2.15: Migrate retired DeepSeek ids (deepseek-chat / deepseek-reasoner
1377 - // were shut off at the vendor on 2026-07-24). The function is idempotent —
1378 - // it only rewrites models on its deprecation lists.
1379 - if (version_compare($current_version, '3.2.15', '<')) {
1380 - mxchat_migrate_deprecated_models();
1381 - }
1382 -
1383 743 // Run full activation to ensure everything is up to date
1384 744 mxchat_activate();
1385 745
1386 746 // Run migration functions
@@ -1551,9 +911,9 @@
1551 911 // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1552 912 if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1553 913 // Check if Pro is activated - only show to Pro users
1554 914 $license_status = get_option('mxchat_license_status', 'inactive');
1555 - $is_pro = ($license_status === 'active');
915 + $is_pro = ($license_status === 'active' || $license_status === esc_html__('active', 'mxchat'));
1556 916
1557 917 if ($is_pro) {
1558 918 // Set flag to show the theme migration notification banner
1559 919 update_option('mxchat_show_theme_migration_notice', true);
@@ -1596,32 +956,10 @@
1596 956 // Initialize meta box class
1597 957 if (class_exists('MxChat_Meta_Box')) {
1598 958 new MxChat_Meta_Box();
1599 959 }
1600 -
1601 960 }
1602 -
1603 - // Initialize content generator globally — it registers wp_head hook
1604 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1605 - if (class_exists('MxChat_Content_Generator')) {
1606 - new MxChat_Content_Generator();
1607 - }
1608 -
1609 - // Initialize cache purge globally — settings writes can happen on any
1610 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
1611 - // deferred-purge cron event fires on front-end requests.
1612 - if (class_exists('MxChat_Cache_Purge')) {
1613 - MxChat_Cache_Purge::init();
1614 - }
1615 -
1616 - // Initialize REST API globally — endpoints must be registered on
1617 - // every request (admin and frontend) so they're reachable via /wp-json/.
1618 - // Endpoints are auth-gated and locked until the site owner generates
1619 - // a token in MxChat → API Access.
1620 - if (class_exists('MxChat_Rest_Api')) {
1621 - new MxChat_Rest_Api();
1622 - }
1623 -
961 +
1624 962 // Initialize public classes
1625 963 if (class_exists('MxChat_Public')) {
1626 964 $mxchat_public = new MxChat_Public();
1627 965 }
@@ -1665,57 +1003,10 @@
1665 1003 $checked = true;
1666 1004
1667 1005 mxchat_migrate_pinecone_roles_add_bot_id();
1668 1006 mxchat_migrate_add_content_type_column();
1669 - mxchat_migrate_add_translations_table();
1670 - mxchat_migrate_add_session_ratings_table();
1671 1007 }
1672 1008
1673 -/**
1674 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1675 - * For users upgrading from versions before 3.2.6
1676 - */
1677 -function mxchat_migrate_add_session_ratings_table() {
1678 - $migration_key = 'mxchat_session_ratings_table_created';
1679 - if (get_option($migration_key)) {
1680 - return;
1681 - }
1682 - mxchat_create_session_ratings_table();
1683 - update_option($migration_key, '3.2.6');
1684 -}
1685 -
1686 -/**
1687 - * Migration: Create transcript translations table (v3.0.4)
1688 - * For users upgrading from versions before 3.0.4
1689 - */
1690 -function mxchat_migrate_add_translations_table() {
1691 - $migration_key = 'mxchat_translations_table_created';
1692 -
1693 - // Check if migration already ran
1694 - if (get_option($migration_key)) {
1695 - return;
1696 - }
1697 -
1698 - // Create the translations table
1699 - mxchat_create_translations_table();
1700 -
1701 - // Mark migration as complete
1702 - update_option($migration_key, '3.0.4');
1703 -}
1704 -
1705 -/**
1706 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1707 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1708 - */
1709 -function mxchat_migrate_gemini_embedding_model() {
1710 - $options = get_option('mxchat_options', array());
1711 -
1712 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1713 - $options['embedding_model'] = 'gemini-embedding-001';
1714 - update_option('mxchat_options', $options);
1715 - }
1716 -}
1717 -
1718 1009 // Register activation hook
1719 1010 register_activation_hook(__FILE__, 'mxchat_activate');
1720 1011
1721 1012 // Add cron schedule
@@ -1727,67 +1018,5 @@
1727 1018 return $schedules;
1728 1019 });
1729 1020
1730 1021 // Register deactivation hook
1731 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1732 -
1733 -/**
1734 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1735 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1736 - * session_id makes this naturally idempotent — only the first rating per
1737 - * session is stored; duplicate POSTs are silent no-ops.
1738 - */
1739 -function mxchat_save_session_rating() {
1740 - global $wpdb;
1741 -
1742 - $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : '';
1743 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1744 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1745 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1746 -
1747 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1748 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1749 - }
1750 -
1751 - if (strlen($feedback) > 1000) {
1752 - $feedback = substr($feedback, 0, 1000);
1753 - }
1754 -
1755 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1756 - $existing = $wpdb->get_var($wpdb->prepare(
1757 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1758 - $session_id
1759 - ));
1760 -
1761 - if ($existing) {
1762 - if ($feedback !== '') {
1763 - $wpdb->update(
1764 - $table_name,
1765 - array('rating_feedback' => $feedback),
1766 - array('id' => (int) $existing),
1767 - array('%s'),
1768 - array('%d')
1769 - );
1770 - }
1771 - wp_send_json_success(array('updated' => true));
1772 - }
1773 -
1774 - $inserted = $wpdb->insert(
1775 - $table_name,
1776 - array(
1777 - 'session_id' => $session_id,
1778 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1779 - 'rating_value' => $rating_raw,
1780 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1781 - 'created_at' => current_time('mysql'),
1782 - ),
1783 - array('%s', '%s', '%d', '%s', '%s')
1784 - );
1785 -
1786 - if ($inserted === false) {
1787 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1788 - }
1789 -
1790 - wp_send_json_success(array('saved' => true));
1791 -}
1792 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1793 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
1022 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');