PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.4.6
MxChat – AI Chatbot & Content Generation for WordPress v2.4.6
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 +74 -1241 3.2.162.4.6 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: 3.2.16
6 + * Version: 2.4.6
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
@@ -15,418 +15,27 @@
15 15 if (!defined('ABSPATH')) {
16 16 exit; // Exit if accessed directly.
17 17 }
18 18
19 +// Define plugin version constant for asset versioning
20 +define('MXCHAT_VERSION', '2.4.6');
19 21
20 -if (!defined('MXCHAT_DEV_MODE')) {
21 - define('MXCHAT_DEV_MODE', false);
22 -}
23 -
24 -if (!defined('MXCHAT_VERSION')) {
25 - $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);
39 -}
40 -
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 22 function mxchat_load_textdomain() {
61 - $domain = 'mxchat';
62 - $locale = determine_locale();
63 -
64 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
65 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
66 - if (file_exists($mo_file)) {
67 - load_textdomain($domain, $mo_file);
68 - return;
69 - }
70 -
71 - // Fallback to plugin's /languages directory
72 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
23 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
73 24 }
74 -add_action('init', 'mxchat_load_textdomain');
25 +add_action('plugins_loaded', 'mxchat_load_textdomain');
75 26
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 27 // Include classes with error handling
411 28 function mxchat_include_classes() {
412 29 $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 30 'includes/class-mxchat-integrator.php',
417 31 'includes/class-mxchat-admin.php',
418 32 'includes/class-mxchat-public.php',
419 33 'includes/class-mxchat-utils.php',
420 34 'includes/class-mxchat-user.php',
421 - 'includes/class-mxchat-privacy.php',
422 35 'includes/class-mxchat-meta-box.php',
423 - 'includes/class-mxchat-chunker.php',
36 + 'includes/pdf-parser/alt_autoload.php',
424 37 'includes/class-mxchat-word-handler.php',
425 - 'includes/class-mxchat-content-generator.php',
426 - 'includes/class-mxchat-cache-purge.php',
427 - 'includes/class-mxchat-editor-assistant.php',
428 - 'includes/class-rest-api.php',
429 38 'admin/class-ajax-handler.php',
430 39 'admin/class-pinecone-manager.php',
431 40 'admin/class-knowledge-manager.php'
432 41 );
@@ -438,62 +47,11 @@
438 47 } else {
439 48 //error_log('MxChat: Missing class file - ' . $file);
440 49 }
441 50 }
442 -
443 - // Register the native function-calling admin-post save handler (a41dee).
444 - if (class_exists('MxChat_Tool_Registry')) {
445 - MxChat_Tool_Registry::init();
446 - }
447 -
448 - // GDPR: register with WP's personal-data export/erase tools (b81e42).
449 - if (class_exists('MxChat_Privacy')) {
450 - MxChat_Privacy::init();
451 - }
452 -
453 - // Editor Assistant — free, OFF-by-default block-editor AI actions (plan-8cb0cb).
454 - // init() wires REST + streaming AJAX + sidebar enqueue ONLY when the
455 - // mxchat_editor_assistant_enabled option is 'on'; otherwise zero footprint.
456 - if (class_exists('MxChat_Editor_Assistant')) {
457 - MxChat_Editor_Assistant::init();
458 - }
459 -
460 - // Admin pages that aren't classes (procedural include).
461 - if (is_admin()) {
462 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
463 - if (file_exists($admin_api_page)) {
464 - require_once $admin_api_page;
465 - }
466 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
467 - // The require MUST live here (admin bootstrap) and not just inside
468 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
469 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
470 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
471 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
472 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
473 - if (file_exists($admin_onboarding_page)) {
474 - require_once $admin_onboarding_page;
475 - }
476 - }
477 51 }
478 52
479 53 /**
480 - * Lazy-load the PDF parser library only when needed.
481 - * Avoids loading 44 files on every page request.
482 - */
483 -function mxchat_load_pdf_parser() {
484 - if (class_exists('\Smalot\PdfParser\Parser')) {
485 - return true;
486 - }
487 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
488 - if (file_exists($autoload_path)) {
489 - require_once $autoload_path;
490 - return true;
491 - }
492 - return false;
493 -}
494 -
495 -/**
496 54 * Create URL click tracking table
497 55 */
498 56 function mxchat_create_url_clicks_table() {
499 57 global $wpdb;
@@ -576,13 +134,12 @@
576 134
577 135 // Define all required columns and their types
578 136 $required_columns = [
579 137 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
580 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
138 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
581 139 'user_name' => 'VARCHAR(100) DEFAULT NULL',
582 140 'originating_page_url' => 'TEXT DEFAULT NULL',
583 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
584 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
141 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
585 142 ];
586 143
587 144 // Get existing columns
588 145 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -653,9 +210,9 @@
653 210 }
654 211 }
655 212
656 213 /**
657 - * Add enabled_bots column to intents table for multi-bot action filtering
214 + * NEW: Add enabled_bots column to intents table for multi-bot action filtering
658 215 */
659 216 function mxchat_add_enabled_bots_column() {
660 217 global $wpdb;
661 218 $table_name = $wpdb->prefix . 'mxchat_intents';
@@ -702,430 +259,31 @@
702 259 }
703 260 }
704 261
705 262 /**
706 - * Create Pinecone role restrictions table with multi-bot support
263 + * Create Pinecone role restrictions table
707 264 */
708 265 function mxchat_create_pinecone_roles_table() {
709 266 global $wpdb;
710 -
267 +
711 268 $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
712 269 $charset_collate = $wpdb->get_charset_collate();
713 -
270 +
714 271 $sql = "CREATE TABLE $table_name (
715 272 id mediumint(9) NOT NULL AUTO_INCREMENT,
716 273 vector_id varchar(255) NOT NULL,
717 - bot_id varchar(50) NOT NULL DEFAULT 'default',
718 274 source_url text,
719 275 role_restriction varchar(50) DEFAULT 'public',
720 276 updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
721 277 PRIMARY KEY (id),
722 - UNIQUE KEY vector_bot (vector_id, bot_id),
723 - KEY role_restriction (role_restriction),
724 - KEY bot_id (bot_id)
278 + UNIQUE KEY vector_id (vector_id),
279 + KEY role_restriction (role_restriction)
725 280 ) $charset_collate;";
726 -
727 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
728 - dbDelta($sql);
729 -}
730 -
731 -/**
732 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
733 - * This migration runs once to update existing installations
734 - */
735 -function mxchat_migrate_pinecone_roles_add_bot_id() {
736 - global $wpdb;
737 -
738 - // Check if migration already ran
739 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
740 - if (version_compare($migration_version, '2.5.2', '>=')) {
741 - return; // Already migrated
742 - }
743 -
744 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
745 -
746 - // Check if table exists
747 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
748 - return; // Table doesn't exist yet
749 - }
750 -
751 - // Check if bot_id column already exists
752 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
753 -
754 - if (empty($column_exists)) {
755 - // Add bot_id column
756 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
757 -
758 - // Update the unique key to include bot_id
759 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
760 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
761 -
762 - // Add index for bot_id
763 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
764 -
765 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
766 - }
767 -
768 - // Mark migration as complete
769 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
770 -}
771 -
772 -/**
773 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
774 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
775 - */
776 -function mxchat_migrate_add_content_type_column() {
777 - global $wpdb;
778 -
779 - // Check if migration already ran
780 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
781 - if (version_compare($migration_version, '2.5.6', '>=')) {
782 - return;
783 - }
784 -
785 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
786 -
787 - // Check if table exists
788 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
789 - return;
790 - }
791 -
792 - // Check if content_type column already exists
793 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
794 -
795 - if (empty($column_exists)) {
796 - // Add content_type column with default value 'content' for backwards compatibility
797 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
798 -
799 - // Add index for better query performance
800 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
801 -
802 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
803 - }
804 -
805 - // Mark migration as complete
806 - update_option('mxchat_content_type_migration_version', '2.5.6');
807 -}
808 -
809 -/**
810 - * 3.2.4: Backfill the active embedding model option for installs that already
811 - * have KB content but no stamped model. The mismatch warning compares this
812 - * against the user's currently selected model — no per-row column needed.
813 - */
814 -function mxchat_backfill_active_embedding_model() {
815 - global $wpdb;
816 -
817 - if (get_option('mxchat_active_embedding_model', '') !== '') {
818 - return;
819 - }
820 -
821 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
822 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
823 - return;
824 - }
825 -
826 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
827 - if ($kb_count > 0) {
828 - $options = get_option('mxchat_options', array());
829 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
830 - update_option('mxchat_active_embedding_model', $current_model, false);
831 - }
832 -}
833 -
834 -/**
835 - * 2.5.2: Create queue processing tables for reliable background processing
836 - */
837 -function mxchat_create_queue_tables() {
838 - global $wpdb;
839 - $charset_collate = $wpdb->get_charset_collate();
840 281
841 - // Main queue table
842 - $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
843 - $sql_queue = "CREATE TABLE $queue_table (
844 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
845 - queue_id varchar(64) NOT NULL,
846 - item_type varchar(20) NOT NULL,
847 - item_data longtext NOT NULL,
848 - status varchar(20) NOT NULL DEFAULT 'pending',
849 - bot_id varchar(50) NOT NULL DEFAULT 'default',
850 - priority int(11) NOT NULL DEFAULT 0,
851 - attempts int(11) NOT NULL DEFAULT 0,
852 - max_attempts int(11) NOT NULL DEFAULT 3,
853 - error_message text DEFAULT NULL,
854 - created_at datetime NOT NULL,
855 - started_at datetime DEFAULT NULL,
856 - completed_at datetime DEFAULT NULL,
857 - PRIMARY KEY (id),
858 - KEY queue_id (queue_id),
859 - KEY status (status),
860 - KEY item_type (item_type),
861 - KEY priority (priority)
862 - ) $charset_collate;";
863 -
864 - // Queue metadata table
865 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
866 - $sql_meta = "CREATE TABLE $meta_table (
867 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
868 - queue_id varchar(64) NOT NULL,
869 - meta_key varchar(255) NOT NULL,
870 - meta_value longtext,
871 - PRIMARY KEY (id),
872 - KEY queue_id (queue_id),
873 - KEY meta_key (meta_key)
874 - ) $charset_collate;";
875 -
876 282 require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
877 - dbDelta($sql_queue);
878 - dbDelta($sql_meta);
879 -
880 - //error_log("MxChat: Queue tables created/updated successfully");
881 -}
882 -
883 -/**
884 - * Create transcript translations table for persisting translations
885 - */
886 -function mxchat_create_translations_table() {
887 - global $wpdb;
888 - $charset_collate = $wpdb->get_charset_collate();
889 -
890 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
891 - $sql = "CREATE TABLE $table_name (
892 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
893 - session_id varchar(255) NOT NULL,
894 - language_code varchar(10) NOT NULL,
895 - translations longtext NOT NULL,
896 - created_at datetime NOT NULL,
897 - updated_at datetime NOT NULL,
898 - PRIMARY KEY (id),
899 - UNIQUE KEY session_lang (session_id, language_code),
900 - KEY session_id (session_id)
901 - ) $charset_collate;";
902 -
903 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
904 283 dbDelta($sql);
905 284 }
906 285
907 -/**
908 - * Create per-session satisfaction ratings table (v3.2.6)
909 - * Stores one 👍/👎 rating + optional feedback per chat session.
910 - */
911 -function mxchat_create_session_ratings_table() {
912 - global $wpdb;
913 - $charset_collate = $wpdb->get_charset_collate();
914 -
915 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
916 - $sql = "CREATE TABLE $table_name (
917 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
918 - session_id varchar(255) NOT NULL,
919 - bot_id varchar(50) NOT NULL DEFAULT 'default',
920 - rating_value tinyint(1) NOT NULL,
921 - rating_feedback text DEFAULT NULL,
922 - created_at datetime NOT NULL,
923 - PRIMARY KEY (id),
924 - UNIQUE KEY session_id (session_id),
925 - KEY bot_id (bot_id),
926 - KEY created_at (created_at)
927 - ) $charset_collate;";
928 -
929 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
930 - dbDelta($sql);
931 -}
932 -
933 -/**
934 - * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
935 - * This fixes "url, source_url. The supplied values may be too long" errors
936 - */
937 -function mxchat_fix_url_column_size() {
938 - global $wpdb;
939 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
940 -
941 - // Check if table exists
942 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
943 - if (!$table_exists) {
944 - return;
945 - }
946 -
947 - // Change url and source_url from VARCHAR to TEXT to handle long URLs
948 - // This is especially important for URLs with UTF-8 encoded characters (Hebrew, Arabic, etc.)
949 - $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN url TEXT");
950 - $wpdb->query("ALTER TABLE {$table_name} MODIFY COLUMN source_url TEXT");
951 -
952 - //error_log("MxChat: Successfully updated url and source_url columns to TEXT type for long URL support");
953 -}
954 -
955 -/**
956 - * Migrate deprecated AI models to their replacements
957 - * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
958 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
959 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
960 - */
961 -function mxchat_migrate_transcripts_charset() {
962 - global $wpdb;
963 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
964 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
965 -}
966 -
967 -/**
968 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
969 - */
970 -function mxchat_migrate_deprecated_models() {
971 - $options = get_option('mxchat_options', array());
972 - $migrated = false;
973 - $migration_message = '';
974 -
975 - if (!isset($options['model'])) {
976 - return;
977 - }
978 -
979 - $current_model = $options['model'];
980 -
981 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
982 - $deprecated_claude_models = array(
983 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
984 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
985 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
986 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
987 - 'claude-3-sonnet-20240229', // Legacy
988 - 'claude-3-haiku-20240307', // Legacy
989 - );
990 - if (in_array($current_model, $deprecated_claude_models, true)) {
991 - $options['model'] = 'claude-opus-4-6';
992 - $migrated = true;
993 - $migration_message = sprintf(
994 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
995 - $current_model
996 - );
997 - }
998 -
999 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
1000 - if ($current_model === 'claude-3-5-haiku-20241022') {
1001 - $options['model'] = 'claude-haiku-4-5-20251001';
1002 - $migrated = true;
1003 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
1004 - }
1005 -
1006 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.6 Sol.
1007 - // (Previous target gpt-5.1-chat-latest itself retires 2026-08-10 — never
1008 - // migrate onto a model that is already on a deprecation list.)
1009 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
1010 - $options['model'] = 'gpt-5.6-sol';
1011 - $migrated = true;
1012 - $migration_message = sprintf(
1013 - 'Your chatbot model has been automatically updated from %s to GPT-5.6 Sol due to OpenAI deprecating older models.',
1014 - $current_model
1015 - );
1016 - }
1017 -
1018 - // Migrate the gpt-5.x-chat-latest aliases OpenAI retires on August 10, 2026.
1019 - // Replacement per OpenAI's deprecations page: gpt-5.6-sol (plan e46b8f).
1020 - if (in_array($current_model, array('gpt-5.1-chat-latest', 'gpt-5.3-chat-latest'), true)) {
1021 - $options['model'] = 'gpt-5.6-sol';
1022 - $migrated = true;
1023 - $migration_message = sprintf(
1024 - 'Your chatbot model has been automatically updated from %s to GPT-5.6 Sol because OpenAI retires the GPT-5.x Chat Latest models on August 10, 2026.',
1025 - $current_model
1026 - );
1027 - }
1028 -
1029 - // The content generator has its own model option — same retirement applies.
1030 - if (isset($options['content_model'])
1031 - && in_array($options['content_model'], array('gpt-5.1-chat-latest', 'gpt-5.3-chat-latest'), true)) {
1032 - $old_content_model = $options['content_model'];
1033 - $options['content_model'] = 'gpt-5.6-sol';
1034 - $migrated = true;
1035 - $migration_message = trim($migration_message . ' ' . sprintf(
1036 - 'Your content generation model has also been updated from %s to GPT-5.6 Sol for the same OpenAI retirement.',
1037 - $old_content_model
1038 - ));
1039 - }
1040 -
1041 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
1042 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
1043 - $options['model'] = 'gpt-5-mini';
1044 - $migrated = true;
1045 - $migration_message = sprintf(
1046 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
1047 - $current_model
1048 - );
1049 - }
1050 -
1051 - // Migrate retired DeepSeek ids to DeepSeek V4 Flash — the vendor removed
1052 - // deepseek-chat and deepseek-reasoner on 2026-07-24 (hard cutoff, every
1053 - // request 400s). V4 Flash is DeepSeek's designated successor for the
1054 - // legacy deepseek-chat alias.
1055 - if (in_array($current_model, array('deepseek-chat', 'deepseek-reasoner'), true)) {
1056 - $options['model'] = 'deepseek-v4-flash';
1057 - $migrated = true;
1058 - $migration_message = sprintf(
1059 - 'Your chatbot model has been automatically updated from %s to DeepSeek V4 Flash because DeepSeek retired its older API models on July 24, 2026.',
1060 - $current_model
1061 - );
1062 - }
1063 -
1064 - if ($migrated) {
1065 - update_option('mxchat_options', $options);
1066 - update_option('mxchat_model_migrated_notice', true);
1067 - update_option('mxchat_model_migration_message', $migration_message);
1068 - }
1069 -}
1070 -
1071 -/**
1072 - * Show admin notice after model migration
1073 - */
1074 -function mxchat_show_migration_notice() {
1075 - if (get_option('mxchat_model_migrated_notice')) {
1076 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
1077 - ?>
1078 - <div class="notice notice-info is-dismissible">
1079 - <p>
1080 - <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
1081 - <?php echo esc_html($migration_message); ?>
1082 - </p>
1083 - </div>
1084 - <?php
1085 - delete_option('mxchat_model_migrated_notice');
1086 - delete_option('mxchat_model_migration_message');
1087 - }
1088 -}
1089 -
1090 -/**
1091 - * Persistent admin notice when the provider rejected the configured model
1092 - * (model_not_found / no access). Set by mxchat_friendly_chat_error() in the
1093 - * integrator whenever a chat request fails on a model-access error — including
1094 - * requests from anonymous visitors, which is the case that otherwise stays
1095 - * invisible to the site owner for weeks (plan e46b8f).
1096 - *
1097 - * Deleted after render so it re-arms on the next failed chat: the notice keeps
1098 - * reappearing until the model is fixed, then stops on its own.
1099 - */
1100 -function mxchat_show_model_access_notice() {
1101 - if (!current_user_can('manage_options')) {
1102 - return;
1103 - }
1104 - $notice = get_option('mxchat_model_access_notice');
1105 - if (!is_array($notice) || empty($notice['model'])) {
1106 - return;
1107 - }
1108 - $settings_url = admin_url('admin.php?page=mxchat-max');
1109 - ?>
1110 - <div class="notice notice-error is-dismissible">
1111 - <p>
1112 - <strong><?php esc_html_e('MxChat: your AI model is being rejected by the provider', 'mxchat'); ?></strong><br>
1113 - <?php
1114 - printf(
1115 - /* translators: 1: model id, 2: provider name */
1116 - esc_html__('Chat requests using the model "%1$s" are failing because %2$s reports it as unavailable on your API key (it may have been retired). Visitors may be seeing errors instead of replies.', 'mxchat'),
1117 - esc_html($notice['model']),
1118 - esc_html(!empty($notice['provider']) ? $notice['provider'] : __('the AI provider', 'mxchat'))
1119 - );
1120 - ?>
1121 - <a href="<?php echo esc_url($settings_url); ?>"><?php esc_html_e('Choose a different model in MxChat Settings', 'mxchat'); ?></a>
1122 - </p>
1123 - </div>
1124 - <?php
1125 - delete_option('mxchat_model_access_notice');
1126 -}
1127 -
1128 286 function mxchat_activate() {
1129 287 global $wpdb;
1130 288 $charset_collate = $wpdb->get_charset_collate();
1131 289
@@ -1133,21 +291,19 @@
1133 291
1134 292 // Create chat transcripts table with improved function
1135 293 mxchat_create_chat_transcripts_table();
1136 294
1137 - // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns
295 + // System Prompt Content Table
1138 296 $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
1139 297 $sql_system_prompt = "CREATE TABLE $system_prompt_table (
1140 298 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
1141 - url TEXT NOT NULL,
299 + url VARCHAR(255) NOT NULL,
1142 300 article_content LONGTEXT NOT NULL,
1143 301 embedding_vector LONGTEXT,
1144 - source_url TEXT DEFAULT NULL,
302 + source_url VARCHAR(255) DEFAULT NULL,
1145 303 role_restriction VARCHAR(50) DEFAULT 'public',
1146 - content_type VARCHAR(50) DEFAULT 'content',
1147 304 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1148 - PRIMARY KEY (id),
1149 - KEY content_type (content_type)
305 + PRIMARY KEY (id)
1150 306 ) $charset_collate;";
1151 307
1152 308 // Intents Table - NOW INCLUDES enabled_bots column from the start
1153 309 $intents_table = $wpdb->prefix . 'mxchat_intents';
@@ -1162,42 +318,20 @@
1162 318 enabled_bots LONGTEXT DEFAULT NULL,
1163 319 PRIMARY KEY (id)
1164 320 ) $charset_collate;";
1165 321
1166 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1167 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1168 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1169 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1170 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1171 - phrase TEXT NOT NULL,
1172 - embedding_vector LONGTEXT NOT NULL,
1173 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1174 - PRIMARY KEY (id),
1175 - KEY intent_id (intent_id)
1176 - ) $charset_collate;";
1177 -
1178 322 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1179 323
1180 324 // Create other tables
1181 325 dbDelta($sql_system_prompt);
1182 326 dbDelta($sql_intents_table);
1183 - dbDelta($sql_intent_phrases_table);
1184 327
1185 328 // Create URL click tracking table
1186 329 mxchat_create_url_clicks_table();
1187 330
1188 - // Create Pinecone roles table
331 + //Create Pinecone roles table
1189 332 mxchat_create_pinecone_roles_table();
1190 -
1191 - // NEW 2.5.2: Create queue processing tables
1192 - mxchat_create_queue_tables();
1193 333
1194 - // Create transcript translations table
1195 - mxchat_create_translations_table();
1196 -
1197 - // Create per-session satisfaction ratings table (v3.2.6)
1198 - mxchat_create_session_ratings_table();
1199 -
1200 334 // Ensure additional columns in system prompt table
1201 335 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1202 336 if (!empty($existing_system_columns)) {
1203 337 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1205,9 +339,9 @@
1205 339 if (!in_array('embedding_vector', $existing_system_column_names)) {
1206 340 $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN embedding_vector LONGTEXT");
1207 341 }
1208 342 if (!in_array('source_url', $existing_system_column_names)) {
1209 - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url TEXT DEFAULT NULL");
343 + $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url VARCHAR(255) DEFAULT NULL");
1210 344 }
1211 345 if (!in_array('role_restriction', $existing_system_column_names)) {
1212 346 $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url");
1213 347 }
@@ -1224,9 +358,9 @@
1224 358 if (!in_array('enabled', $existing_intent_column_names)) {
1225 359 $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled TINYINT(1) NOT NULL DEFAULT 1");
1226 360 }
1227 361
1228 - // Ensure enabled_bots column exists for existing installations
362 + // NEW: Ensure enabled_bots column exists for existing installations
1229 363 if (!in_array('enabled_bots', $existing_intent_column_names)) {
1230 364 $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled");
1231 365
1232 366 // Set existing actions to work with default bot
@@ -1237,21 +371,14 @@
1237 371 ));
1238 372 }
1239 373 }
1240 374
1241 - // Run migration for existing installations
1242 - mxchat_migrate_pinecone_roles_add_bot_id();
1243 -
1244 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1245 - mxchat_backfill_active_embedding_model();
1246 -
1247 375 // Setup cron jobs
1248 376 mxchat_setup_cron_jobs();
1249 377
1250 - // Update version (stable base version — never the dev time()-suffixed one,
1251 - // or the check_for_update comparison would churn every request)
1252 - update_option('mxchat_plugin_version', MXCHAT_BASE_VERSION);
1253 -
378 + // Update version
379 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
380 +
1254 381 //error_log("MxChat: Activation function completed");
1255 382 }
1256 383
1257 384 /**
@@ -1265,42 +392,22 @@
1265 392 if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1266 393 // Set flag to use fallback system
1267 394 update_option('mxchat_use_fallback_rate_limits', true);
1268 395 update_option('mxchat_next_rate_limit_check', time() + 3600);
1269 - // Deliberately NO early return (plan-bc08a6): transcript cleanup below
1270 - // must still be scheduled. DISABLE_WP_CRON only changes HOW cron events
1271 - // execute (a server-side runner hitting wp-cron.php instead of loopback
1272 - // spawns) — scheduling still just writes the cron option. The old early
1273 - // return here meant a deactivate/reactivate cycle on a DISABLE_WP_CRON
1274 - // site permanently lost the transcript cleanup event while the retention
1275 - // setting still claimed to be active.
396 + return;
397 + }
398 +
399 + // Schedule the rate limit reset cron job
400 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
401 +
402 + if ($result === false) {
403 + // Fallback if scheduling fails
404 + update_option('mxchat_use_fallback_rate_limits', true);
405 + update_option('mxchat_next_rate_limit_check', time() + 3600);
1276 406 } else {
1277 - // Schedule the rate limit reset cron job
1278 - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1279 -
1280 - if ($result === false) {
1281 - // Fallback if scheduling fails
1282 - update_option('mxchat_use_fallback_rate_limits', true);
1283 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1284 - } else {
1285 - // Clear fallback flags if cron scheduling succeeded
1286 - delete_option('mxchat_use_fallback_rate_limits');
1287 - }
407 + // Clear fallback flags if cron scheduling succeeded
408 + delete_option('mxchat_use_fallback_rate_limits');
1288 409 }
1289 -
1290 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
1291 - $transcript_options = get_option('mxchat_transcripts_options', array());
1292 - $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1293 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1294 -
1295 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
1296 - // Check if not already scheduled
1297 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1298 - // Schedule to run daily at 3 AM
1299 - $next_run = strtotime('tomorrow 3:00 AM');
1300 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
1301 - }
1302 - }
1303 410 }
1304 411
1305 412 /**
1306 413 * Clean up on plugin deactivation
@@ -1307,18 +414,13 @@
1307 414 */
1308 415 function mxchat_deactivate() {
1309 416 // Clear scheduled cron jobs
1310 417 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1311 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1312 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1313 418
1314 419 // Clear fallback options
1315 420 delete_option('mxchat_use_fallback_rate_limits');
1316 421 delete_option('mxchat_next_rate_limit_check');
1317 422 delete_option('mxchat_fallback_check_interval');
1318 -
1319 - // NOTE: We do NOT delete queue tables on deactivation
1320 - // This preserves data if user accidentally deactivates the plugin
1321 423 }
1322 424
1323 425 /**
1324 426 * Check if fallback rate limit cleanup is needed
@@ -1330,134 +432,49 @@
1330 432 return;
1331 433 }
1332 434
1333 435 $next_check = get_option('mxchat_next_rate_limit_check', 0);
1334 -
436 +
1335 437 if (time() >= $next_check) {
1336 - // Reuse the bootstrap's integrator — mxchat_init() creates the global on
1337 - // plugins_loaded (before this init-priority-5 callback), so it's always set
1338 - // here. Constructing a second MxChat_Integrator just to call one method
1339 - // re-registers every hook the plugin has (ajax pairs, wp_footer loader,
1340 - // rest_api_init, admin_init guard) on a duplicate instance for the rest of
1341 - // the request. Defensive construction only if the global is somehow unset.
1342 - // NOTE: MxChat_Integrator::check_fallback_rate_limits() is a second
1343 - // implementation of this same check — if either changes, change both.
1344 - global $mxchat_integrator;
1345 - $integrator = ($mxchat_integrator instanceof MxChat_Integrator)
1346 - ? $mxchat_integrator
1347 - : (class_exists('MxChat_Integrator') ? new MxChat_Integrator() : null);
1348 - if ($integrator && method_exists($integrator, 'mxchat_reset_rate_limits')) {
1349 - $integrator->mxchat_reset_rate_limits();
1350 - update_option('mxchat_next_rate_limit_check', time() + 3600);
438 + // Only run reset if the MxChat_Integrator class exists
439 + if (class_exists('MxChat_Integrator')) {
440 + $integrator = new MxChat_Integrator();
441 + if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
442 + $integrator->mxchat_reset_rate_limits();
443 + update_option('mxchat_next_rate_limit_check', time() + 3600);
444 + }
1351 445 }
1352 446 }
1353 447 }
1354 448
1355 449 /**
1356 - * Robust update checking with role restriction migration, model deprecation, and queue tables
1357 - * CRITICAL: This runs on EVERY page load to ensure tables exist
450 + * Robust update checking with role restriction migration
1358 451 */
1359 452 function mxchat_check_for_update() {
1360 - global $wpdb;
453 + global $wpdb; // CRITICAL: Declare this at the top
1361 454
1362 455 try {
1363 456 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1364 - $plugin_version = MXCHAT_BASE_VERSION;
457 + $plugin_version = MXCHAT_VERSION;
1365 458
1366 - // Always ensure critical tables exist (even if version matches)
1367 - // This handles manual table deletion or fresh installs
1368 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1369 - $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1370 -
1371 - $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$chat_table'") === $chat_table;
1372 - $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1373 -
1374 - if (!$chat_exists || !$queue_exists) {
1375 - //error_log("MxChat: Critical tables missing, running activation");
1376 - mxchat_activate();
1377 - }
1378 -
1379 - // Version-specific migrations
459 + // Always run activation to ensure tables exist (safe for existing installations)
1380 460 if ($current_version !== $plugin_version) {
1381 461 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1382 -
462 +
1383 463 // Run live agent update BEFORE updating the stored version
1384 464 mxchat_handle_live_agent_update();
1385 -
1386 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1387 - mxchat_handle_theme_migration_notice();
1388 465
1389 - // Run role restriction migration for 2.4.1
466 + //Run role restriction migration for 2.4.1
1390 467 if (version_compare($current_version, '2.4.1', '<')) {
1391 468 mxchat_add_role_restriction_column();
1392 469 }
1393 470
1394 - // Run enabled_bots column migration for 2.4.4
471 + // NEW: Run enabled_bots column migration for 2.4.4
1395 472 if (version_compare($current_version, '2.4.4', '<')) {
1396 473 mxchat_add_enabled_bots_column();
1397 474 }
1398 475
1399 - // Run model migration for 2.5.1 (Claude deprecation)
1400 - if (version_compare($current_version, '2.5.1', '<')) {
1401 - mxchat_migrate_deprecated_models();
1402 - }
1403 -
1404 - // 2.5.2: Ensure queue tables exist and fix URL column sizes for all users upgrading to 2.5.2
1405 - if (version_compare($current_version, '2.5.2', '<')) {
1406 - mxchat_create_queue_tables();
1407 - mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1408 - //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1409 - }
1410 -
1411 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1412 - if (version_compare($current_version, '2.6.0', '<')) {
1413 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1414 - mxchat_ensure_all_columns($chat_table);
1415 - //error_log("MxChat: rag_context column migration for 2.6.0");
1416 - }
1417 -
1418 - // 3.0.5: Migrate deprecated Gemini embedding model
1419 - if (version_compare($current_version, '3.0.5', '<')) {
1420 - mxchat_migrate_gemini_embedding_model();
1421 - }
1422 -
1423 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1424 - if (version_compare($current_version, '3.0.6', '<')) {
1425 - mxchat_migrate_deprecated_models();
1426 - }
1427 -
1428 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1429 - if (version_compare($current_version, '3.1.2', '<')) {
1430 - mxchat_migrate_transcripts_charset();
1431 - }
1432 -
1433 - // 3.1.7: Clean up stale shared session email/name entries
1434 - if (version_compare($current_version, '3.1.7', '<')) {
1435 - delete_option('mxchat_email_null');
1436 - delete_option('mxchat_name_null');
1437 - }
1438 -
1439 - // 3.2.4: Backfill active embedding model option for the warning UI
1440 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1441 - if (version_compare($current_version, '3.2.4', '<')) {
1442 - mxchat_backfill_active_embedding_model();
1443 - }
1444 -
1445 - // 3.2.15: Migrate retired DeepSeek ids (deepseek-chat / deepseek-reasoner
1446 - // were shut off at the vendor on 2026-07-24). The function is idempotent —
1447 - // it only rewrites models on its deprecation lists.
1448 - if (version_compare($current_version, '3.2.15', '<')) {
1449 - mxchat_migrate_deprecated_models();
1450 - }
1451 -
1452 - // 3.2.16: Migrate OpenAI ids retiring 2026-08-10 (gpt-5.1-chat-latest /
1453 - // gpt-5.3-chat-latest → gpt-5.6-sol per OpenAI's deprecations page).
1454 - // Idempotent — only rewrites models on the deprecation lists (e46b8f).
1455 - if (version_compare($current_version, '3.2.16', '<')) {
1456 - mxchat_migrate_deprecated_models();
1457 - }
1458 -
1459 - // Run full activation to ensure everything is up to date
476 + // Run activation (this will create/update all tables and columns)
1460 477 mxchat_activate();
1461 478
1462 479 // Run migration functions
1463 480 mxchat_migrate_live_agent_status();
@@ -1472,8 +489,18 @@
1472 489
1473 490 //error_log("MxChat: Updated from version $current_version to $plugin_version");
1474 491 }
1475 492
493 + // CRITICAL: Always ensure tables exist, even if version matches
494 + // This handles cases where tables were manually deleted
495 + $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
496 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
497 +
498 + if (!$table_exists) {
499 + //error_log("MxChat: Chat transcripts table missing, recreating...");
500 + mxchat_activate(); // Run full activation instead of just table creation
501 + }
502 +
1476 503 } catch (Exception $e) {
1477 504 //error_log('MxChat update error: ' . $e->getMessage());
1478 505 // Don't update version if there was an error
1479 506 }
@@ -1479,10 +506,9 @@
1479 506 }
1480 507 }
1481 508
1482 509 /**
1483 - * Ensure tables exist on every admin load for fresh installations
1484 - * This is a safety net for cases where activation hook doesn't fire
510 + * Ensure tables exist on every load for fresh installations
1485 511 */
1486 512 function mxchat_ensure_tables_exist() {
1487 513 global $wpdb;
1488 514
@@ -1490,22 +516,12 @@
1490 516 if (!current_user_can('administrator')) {
1491 517 return;
1492 518 }
1493 519
1494 - // Check if we've already verified tables in this session
1495 - static $tables_checked = false;
1496 - if ($tables_checked) {
1497 - return;
1498 - }
1499 - $tables_checked = true;
1500 -
1501 520 $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1502 - $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
521 + $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
1503 522
1504 - $chat_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
1505 - $queue_exists = $wpdb->get_var("SHOW TABLES LIKE '$queue_table'") === $queue_table;
1506 -
1507 - if (!$chat_exists || !$queue_exists) {
523 + if (!$table_exists) {
1508 524 //error_log("MxChat: Tables missing on admin load, running activation");
1509 525 mxchat_activate();
1510 526 }
1511 527 }
@@ -1588,77 +604,45 @@
1588 604 function mxchat_handle_live_agent_update() {
1589 605 // Get the CURRENT stored version (before it gets updated)
1590 606 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1591 607 $new_version = '2.2.2';
1592 -
608 +
1593 609 // Only run this once for the update to 2.2.2
1594 610 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1595 -
611 +
1596 612 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1597 613 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1598 614 $options = get_option('mxchat_options', array());
1599 -
615 +
1600 616 // Check if live agent was previously enabled
1601 617 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1602 618 // Disable live agent
1603 619 $options['live_agent_status'] = 'off';
1604 620 update_option('mxchat_options', $options);
1605 -
621 +
1606 622 // Set flag to show the notification banner
1607 623 update_option('mxchat_show_live_agent_disabled_notice', true);
1608 624 }
1609 -
625 +
1610 626 // Mark this update as handled
1611 627 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1612 628 }
1613 629 }
1614 630
1615 -/**
1616 - * Handle theme migration notice for version 3.0.1
1617 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1618 - */
1619 -function mxchat_handle_theme_migration_notice() {
1620 - // Get the CURRENT stored version (before it gets updated)
1621 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1622 - $target_version = '3.0.1';
1623 -
1624 - // Only run this once for the update to 3.0.1
1625 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1626 -
1627 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1628 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1629 - // Check if Pro is activated - only show to Pro users
1630 - $license_status = get_option('mxchat_license_status', 'inactive');
1631 - $is_pro = ($license_status === 'active');
1632 -
1633 - if ($is_pro) {
1634 - // Set flag to show the theme migration notification banner
1635 - update_option('mxchat_show_theme_migration_notice', true);
1636 - }
1637 -
1638 - // Mark this update as handled (whether Pro or not)
1639 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1640 - }
1641 -}
1642 -
1643 631 // Initialize plugin safely
1644 632 function mxchat_init() {
1645 633 // Include all class files first
1646 634 mxchat_include_classes();
1647 635
1648 - // Run update check (this also ensures tables exist)
636 + // Run update check
1649 637 mxchat_check_for_update();
1650 638
1651 - // CRITICAL: Ensure tables exist on admin pages (safety net)
639 + // CRITICAL: Ensure tables exist (for fresh installations that don't trigger activation hook)
1652 640 add_action('admin_init', 'mxchat_ensure_tables_exist', 1);
1653 641
1654 642 // Add fallback rate limit check
1655 643 add_action('init', 'mxchat_check_fallback_rate_limits', 5);
1656 644
1657 - // Add migration notice hook
1658 - add_action('admin_notices', 'mxchat_show_migration_notice');
1659 - add_action('admin_notices', 'mxchat_show_model_access_notice');
1660 -
1661 645 // Initialize classes with error handling
1662 646 try {
1663 647 // Initialize admin classes
1664 648 if (is_admin()) {
@@ -1673,32 +657,10 @@
1673 657 // Initialize meta box class
1674 658 if (class_exists('MxChat_Meta_Box')) {
1675 659 new MxChat_Meta_Box();
1676 660 }
1677 -
1678 661 }
1679 -
1680 - // Initialize content generator globally — it registers wp_head hook
1681 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1682 - if (class_exists('MxChat_Content_Generator')) {
1683 - new MxChat_Content_Generator();
1684 - }
1685 -
1686 - // Initialize cache purge globally — settings writes can happen on any
1687 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
1688 - // deferred-purge cron event fires on front-end requests.
1689 - if (class_exists('MxChat_Cache_Purge')) {
1690 - MxChat_Cache_Purge::init();
1691 - }
1692 -
1693 - // Initialize REST API globally — endpoints must be registered on
1694 - // every request (admin and frontend) so they're reachable via /wp-json/.
1695 - // Endpoints are auth-gated and locked until the site owner generates
1696 - // a token in MxChat → API Access.
1697 - if (class_exists('MxChat_Rest_Api')) {
1698 - new MxChat_Rest_Api();
1699 - }
1700 -
662 +
1701 663 // Initialize public classes
1702 664 if (class_exists('MxChat_Public')) {
1703 665 $mxchat_public = new MxChat_Public();
1704 666 }
@@ -1703,9 +665,8 @@
1703 665 $mxchat_public = new MxChat_Public();
1704 666 }
1705 667
1706 668 if (class_exists('MxChat_Integrator')) {
1707 - global $mxchat_integrator;
1708 669 $mxchat_integrator = new MxChat_Integrator();
1709 670 }
1710 671
1711 672 } catch (Exception $e) {
@@ -1725,74 +686,8 @@
1725 686
1726 687 // Run initialization on plugins_loaded
1727 688 add_action('plugins_loaded', 'mxchat_init');
1728 689
1729 -// Run migration check on admin init (for auto-updates without reactivation)
1730 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1731 -
1732 -/**
1733 - * Check and run migrations on admin init
1734 - * This ensures migrations run even when plugin is auto-updated
1735 - */
1736 -function mxchat_check_and_run_migrations() {
1737 - // Only run in admin and not on every request
1738 - static $checked = false;
1739 - if ($checked) {
1740 - return;
1741 - }
1742 - $checked = true;
1743 -
1744 - mxchat_migrate_pinecone_roles_add_bot_id();
1745 - mxchat_migrate_add_content_type_column();
1746 - mxchat_migrate_add_translations_table();
1747 - mxchat_migrate_add_session_ratings_table();
1748 -}
1749 -
1750 -/**
1751 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1752 - * For users upgrading from versions before 3.2.6
1753 - */
1754 -function mxchat_migrate_add_session_ratings_table() {
1755 - $migration_key = 'mxchat_session_ratings_table_created';
1756 - if (get_option($migration_key)) {
1757 - return;
1758 - }
1759 - mxchat_create_session_ratings_table();
1760 - update_option($migration_key, '3.2.6');
1761 -}
1762 -
1763 -/**
1764 - * Migration: Create transcript translations table (v3.0.4)
1765 - * For users upgrading from versions before 3.0.4
1766 - */
1767 -function mxchat_migrate_add_translations_table() {
1768 - $migration_key = 'mxchat_translations_table_created';
1769 -
1770 - // Check if migration already ran
1771 - if (get_option($migration_key)) {
1772 - return;
1773 - }
1774 -
1775 - // Create the translations table
1776 - mxchat_create_translations_table();
1777 -
1778 - // Mark migration as complete
1779 - update_option($migration_key, '3.0.4');
1780 -}
1781 -
1782 -/**
1783 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1784 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1785 - */
1786 -function mxchat_migrate_gemini_embedding_model() {
1787 - $options = get_option('mxchat_options', array());
1788 -
1789 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1790 - $options['embedding_model'] = 'gemini-embedding-001';
1791 - update_option('mxchat_options', $options);
1792 - }
1793 -}
1794 -
1795 690 // Register activation hook
1796 691 register_activation_hook(__FILE__, 'mxchat_activate');
1797 692
1798 693 // Add cron schedule
@@ -1804,67 +699,5 @@
1804 699 return $schedules;
1805 700 });
1806 701
1807 702 // Register deactivation hook
1808 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1809 -
1810 -/**
1811 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1812 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1813 - * session_id makes this naturally idempotent — only the first rating per
1814 - * session is stored; duplicate POSTs are silent no-ops.
1815 - */
1816 -function mxchat_save_session_rating() {
1817 - global $wpdb;
1818 -
1819 - $session_id = isset($_POST['session_id']) ? MxChat_Utils::sanitize_session_id(wp_unslash($_POST['session_id'])) : '';
1820 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1821 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1822 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1823 -
1824 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1825 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1826 - }
1827 -
1828 - if (strlen($feedback) > 1000) {
1829 - $feedback = substr($feedback, 0, 1000);
1830 - }
1831 -
1832 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1833 - $existing = $wpdb->get_var($wpdb->prepare(
1834 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1835 - $session_id
1836 - ));
1837 -
1838 - if ($existing) {
1839 - if ($feedback !== '') {
1840 - $wpdb->update(
1841 - $table_name,
1842 - array('rating_feedback' => $feedback),
1843 - array('id' => (int) $existing),
1844 - array('%s'),
1845 - array('%d')
1846 - );
1847 - }
1848 - wp_send_json_success(array('updated' => true));
1849 - }
1850 -
1851 - $inserted = $wpdb->insert(
1852 - $table_name,
1853 - array(
1854 - 'session_id' => $session_id,
1855 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1856 - 'rating_value' => $rating_raw,
1857 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1858 - 'created_at' => current_time('mysql'),
1859 - ),
1860 - array('%s', '%s', '%d', '%s', '%s')
1861 - );
1862 -
1863 - if ($inserted === false) {
1864 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1865 - }
1866 -
1867 - wp_send_json_success(array('saved' => true));
1868 -}
1869 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1870 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
703 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');