PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.3.3
MxChat – AI Chatbot & Content Generation for WordPress v2.3.3
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 +76 -1558 3.2.16 → 2.3.3 View file →
@@ -1,10 +1,9 @@
1 1 <?php
2 2 /**
3 3 * Plugin Name: MxChat
4 - * Plugin URI: https://mxchat.ai/
5 4 * 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
5 + * Version: 2.3.3
7 6 * Author: MxChat
8 7 * Author URI: https://mxchat.ai
9 8 * License: GPLv2 or later
10 9 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -15,418 +14,26 @@
15 14 if (!defined('ABSPATH')) {
16 15 exit; // Exit if accessed directly.
17 16 }
18 17
18 +// Define plugin version constant for asset versioning
19 +define('MXCHAT_VERSION', '2.3.3');
19 20
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 21 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');
22 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
73 23 }
74 -add_action('init', 'mxchat_load_textdomain');
24 +add_action('plugins_loaded', 'mxchat_load_textdomain');
75 25
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 26 // Include classes with error handling
411 27 function mxchat_include_classes() {
412 28 $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 29 'includes/class-mxchat-integrator.php',
417 30 'includes/class-mxchat-admin.php',
418 31 'includes/class-mxchat-public.php',
419 32 'includes/class-mxchat-utils.php',
420 33 'includes/class-mxchat-user.php',
421 - 'includes/class-mxchat-privacy.php',
422 - 'includes/class-mxchat-meta-box.php',
423 - 'includes/class-mxchat-chunker.php',
34 + 'includes/pdf-parser/alt_autoload.php',
424 35 '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 36 'admin/class-ajax-handler.php',
430 37 'admin/class-pinecone-manager.php',
431 38 'admin/class-knowledge-manager.php'
432 39 );
@@ -435,102 +42,20 @@
435 42 $file_path = plugin_dir_path(__FILE__) . $file;
436 43 if (file_exists($file_path)) {
437 44 require_once $file_path;
438 45 } else {
439 - //error_log('MxChat: Missing class file - ' . $file);
46 + error_log('MxChat: Missing class file - ' . $file);
440 47 }
441 48 }
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 49 }
478 50
479 -/**
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 - * Create URL click tracking table
497 - */
498 -function mxchat_create_url_clicks_table() {
51 +function mxchat_activate() {
499 52 global $wpdb;
500 -
501 - $table_name = $wpdb->prefix . 'mxchat_url_clicks';
502 -
503 53 $charset_collate = $wpdb->get_charset_collate();
504 -
505 - $sql = "CREATE TABLE $table_name (
506 - id mediumint(9) NOT NULL AUTO_INCREMENT,
507 - session_id varchar(100) NOT NULL,
508 - clicked_url text NOT NULL,
509 - message_context text,
510 - click_timestamp datetime DEFAULT CURRENT_TIMESTAMP,
511 - user_ip varchar(45),
512 - user_agent text,
513 - PRIMARY KEY (id),
514 - KEY session_id (session_id),
515 - KEY click_timestamp (click_timestamp)
516 - ) $charset_collate;";
517 -
518 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
519 - dbDelta($sql);
520 -}
521 54
522 -/**
523 - * FIXED: Robust table creation and column management
524 - */
525 -function mxchat_create_chat_transcripts_table() {
526 - global $wpdb;
527 -
528 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
529 - $charset_collate = $wpdb->get_charset_collate();
530 -
531 - // Create table with ALL columns including user_name from the start
532 - $sql = "CREATE TABLE $table_name (
55 + // Chat Transcripts Table
56 + $chat_transcripts_table = $wpdb->prefix . 'mxchat_chat_transcripts';
57 + $sql_chat_transcripts = "CREATE TABLE $chat_transcripts_table (
533 58 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
534 59 user_id MEDIUMINT(9) DEFAULT 0,
535 60 session_id VARCHAR(255) NOT NULL,
536 61 role VARCHAR(255) NOT NULL,
@@ -535,622 +60,25 @@
535 60 session_id VARCHAR(255) NOT NULL,
536 61 role VARCHAR(255) NOT NULL,
537 62 message TEXT NOT NULL,
538 63 user_email VARCHAR(255) DEFAULT NULL,
539 - user_name VARCHAR(100) DEFAULT NULL,
540 - user_identifier VARCHAR(255) DEFAULT NULL,
541 - originating_page_url TEXT DEFAULT NULL,
542 - originating_page_title VARCHAR(500) DEFAULT NULL,
543 64 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
544 - PRIMARY KEY (id),
545 - KEY session_id (session_id),
546 - KEY user_email (user_email),
547 - KEY timestamp (timestamp)
65 + PRIMARY KEY (id)
548 66 ) $charset_collate;";
549 -
550 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
551 - $result = dbDelta($sql);
552 -
553 - // Log the result for debugging
554 - if (empty($result)) {
555 - //error_log("MxChat: dbDelta returned empty result for chat transcripts table");
556 - } else {
557 - //error_log("MxChat: dbDelta result: " . print_r($result, true));
558 - }
559 -
560 - // IMPORTANT: Ensure all columns exist for existing installations
561 - mxchat_ensure_all_columns($table_name);
562 -}
563 67
564 -/**
565 - * Ensure all required columns exist (for upgrades)
566 - */
567 -function mxchat_ensure_all_columns($table_name) {
568 - global $wpdb;
569 -
570 - // First check if table exists
571 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
572 - if (!$table_exists) {
573 - //error_log("MxChat: Table $table_name does not exist, cannot add columns");
574 - return;
575 - }
576 -
577 - // Define all required columns and their types
578 - $required_columns = [
579 - 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
580 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
581 - 'user_name' => 'VARCHAR(100) DEFAULT NULL',
582 - 'originating_page_url' => 'TEXT DEFAULT NULL',
583 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
584 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
585 - ];
586 -
587 - // Get existing columns
588 - $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
589 - if (empty($existing_columns)) {
590 - //error_log("MxChat: Could not get columns for table $table_name");
591 - return;
592 - }
593 -
594 - $existing_column_names = array_column($existing_columns, 'Field');
595 -
596 - // Add missing columns
597 - foreach ($required_columns as $column_name => $column_definition) {
598 - if (!in_array($column_name, $existing_column_names)) {
599 - $alter_sql = "ALTER TABLE $table_name ADD COLUMN $column_name $column_definition";
600 - $result = $wpdb->query($alter_sql);
601 -
602 - if ($result === false) {
603 - //error_log("MxChat: Failed to add column $column_name to $table_name. Error: " . $wpdb->last_error);
604 - } else {
605 - //error_log("MxChat: Successfully added column $column_name to $table_name");
606 - }
607 - }
608 - }
609 -}
610 -
611 -/**
612 - * Add role restriction column to knowledge base table
613 - */
614 -function mxchat_add_role_restriction_column() {
615 - global $wpdb;
616 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
617 -
618 - // Check if table exists first
619 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
620 - if (!$table_exists) {
621 - //error_log("MxChat: System prompt content table does not exist, cannot add role_restriction column");
622 - return;
623 - }
624 -
625 - // Check if column already exists
626 - $column_exists = $wpdb->get_results(
627 - $wpdb->prepare(
628 - "SHOW COLUMNS FROM {$table_name} LIKE %s",
629 - 'role_restriction'
630 - )
631 - );
632 -
633 - if (empty($column_exists)) {
634 - $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url";
635 - $result = $wpdb->query($alter_sql);
636 -
637 - if ($result === false) {
638 - //error_log("MxChat: Failed to add role_restriction column. Error: " . $wpdb->last_error);
639 - } else {
640 - //error_log("MxChat: Successfully added role_restriction column");
641 -
642 - // Set all existing records to 'public' (everyone can access)
643 - $update_result = $wpdb->query(
644 - "UPDATE {$table_name}
645 - SET role_restriction = 'public'
646 - WHERE role_restriction IS NULL OR role_restriction = ''"
647 - );
648 -
649 - if ($update_result !== false) {
650 - //error_log("MxChat: Updated {$update_result} existing records to public access");
651 - }
652 - }
653 - }
654 -}
655 -
656 -/**
657 - * Add enabled_bots column to intents table for multi-bot action filtering
658 - */
659 -function mxchat_add_enabled_bots_column() {
660 - global $wpdb;
661 - $table_name = $wpdb->prefix . 'mxchat_intents';
662 -
663 - // Check if table exists first
664 - $table_exists = $wpdb->get_var("SHOW TABLES LIKE '$table_name'") === $table_name;
665 - if (!$table_exists) {
666 - //error_log("MxChat: Intents table does not exist, cannot add enabled_bots column");
667 - return;
668 - }
669 -
670 - // Check if column already exists
671 - $column_exists = $wpdb->get_results(
672 - $wpdb->prepare(
673 - "SHOW COLUMNS FROM {$table_name} LIKE %s",
674 - 'enabled_bots'
675 - )
676 - );
677 -
678 - if (empty($column_exists)) {
679 - $alter_sql = "ALTER TABLE {$table_name} ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled";
680 - $result = $wpdb->query($alter_sql);
681 -
682 - if ($result === false) {
683 - //error_log("MxChat: Failed to add enabled_bots column. Error: " . $wpdb->last_error);
684 - } else {
685 - //error_log("MxChat: Successfully added enabled_bots column");
686 -
687 - // Set all existing actions to work with 'default' bot for backward compatibility
688 - $default_bots = json_encode(['default']);
689 - $update_result = $wpdb->query(
690 - $wpdb->prepare(
691 - "UPDATE {$table_name}
692 - SET enabled_bots = %s
693 - WHERE enabled_bots IS NULL OR enabled_bots = ''",
694 - $default_bots
695 - )
696 - );
697 -
698 - if ($update_result !== false) {
699 - //error_log("MxChat: Updated {$update_result} existing actions to work with default bot");
700 - }
701 - }
702 - }
703 -}
704 -
705 -/**
706 - * Create Pinecone role restrictions table with multi-bot support
707 - */
708 -function mxchat_create_pinecone_roles_table() {
709 - global $wpdb;
710 -
711 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
712 - $charset_collate = $wpdb->get_charset_collate();
713 -
714 - $sql = "CREATE TABLE $table_name (
715 - id mediumint(9) NOT NULL AUTO_INCREMENT,
716 - vector_id varchar(255) NOT NULL,
717 - bot_id varchar(50) NOT NULL DEFAULT 'default',
718 - source_url text,
719 - role_restriction varchar(50) DEFAULT 'public',
720 - updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
721 - PRIMARY KEY (id),
722 - UNIQUE KEY vector_bot (vector_id, bot_id),
723 - KEY role_restriction (role_restriction),
724 - KEY bot_id (bot_id)
725 - ) $charset_collate;";
726 -
727 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
728 - dbDelta($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 -
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 - ) $charset_collate;";
875 -
876 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
877 - dbDelta($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 - ) $charset_collate;";
902 -
903 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
904 - dbDelta($sql);
905 -}
906 -
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 -function mxchat_activate() {
1129 - global $wpdb;
1130 - $charset_collate = $wpdb->get_charset_collate();
1131 -
1132 - //error_log("MxChat: Running activation function");
1133 -
1134 - // Create chat transcripts table with improved function
1135 - mxchat_create_chat_transcripts_table();
1136 -
1137 - // System Prompt Content Table - UPDATED: Use TEXT for url and source_url columns
68 + // System Prompt Content Table
1138 69 $system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
1139 70 $sql_system_prompt = "CREATE TABLE $system_prompt_table (
1140 71 id MEDIUMINT(9) NOT NULL AUTO_INCREMENT,
1141 - url TEXT NOT NULL,
72 + url VARCHAR(255) NOT NULL,
1142 73 article_content LONGTEXT NOT NULL,
1143 74 embedding_vector LONGTEXT,
1144 - source_url TEXT DEFAULT NULL,
1145 - role_restriction VARCHAR(50) DEFAULT 'public',
1146 - content_type VARCHAR(50) DEFAULT 'content',
75 + source_url VARCHAR(255) DEFAULT NULL,
1147 76 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1148 - PRIMARY KEY (id),
1149 - KEY content_type (content_type)
77 + PRIMARY KEY (id)
1150 78 ) $charset_collate;";
1151 79
1152 - // Intents Table - NOW INCLUDES enabled_bots column from the start
80 + // Intents Table
1153 81 $intents_table = $wpdb->prefix . 'mxchat_intents';
1154 82 $sql_intents_table = "CREATE TABLE $intents_table (
1155 83 id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1156 84 intent_label VARCHAR(255) NOT NULL,
@@ -1157,102 +85,35 @@
1157 85 phrases TEXT NOT NULL,
1158 86 embedding_vector LONGTEXT NOT NULL,
1159 87 callback_function VARCHAR(255) NOT NULL,
1160 88 similarity_threshold FLOAT DEFAULT 0.85,
1161 - enabled TINYINT(1) NOT NULL DEFAULT 1,
1162 - enabled_bots LONGTEXT DEFAULT NULL,
1163 89 PRIMARY KEY (id)
1164 90 ) $charset_collate;";
1165 91
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 - ) $charset_collate;";
1177 -
1178 92 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1179 93
1180 - // Create other tables
94 + // Create or update tables
95 + dbDelta($sql_chat_transcripts);
1181 96 dbDelta($sql_system_prompt);
1182 97 dbDelta($sql_intents_table);
1183 - dbDelta($sql_intent_phrases_table);
1184 98
1185 - // Create URL click tracking table
1186 - mxchat_create_url_clicks_table();
1187 -
1188 - // Create Pinecone roles table
1189 - mxchat_create_pinecone_roles_table();
1190 -
1191 - // NEW 2.5.2: Create queue processing tables
1192 - mxchat_create_queue_tables();
99 + // Ensure additional columns in `mxchat_chat_transcripts`
100 + mxchat_add_missing_columns($chat_transcripts_table, 'user_identifier', 'VARCHAR(255)');
101 + mxchat_add_missing_columns($chat_transcripts_table, 'user_email', 'VARCHAR(255) DEFAULT NULL');
1193 102
1194 - // Create transcript translations table
1195 - mxchat_create_translations_table();
103 + // Ensure additional columns in `mxchat_system_prompt_content`
104 + mxchat_add_missing_columns($system_prompt_table, 'embedding_vector', 'LONGTEXT');
105 + mxchat_add_missing_columns($system_prompt_table, 'source_url', 'VARCHAR(255) DEFAULT NULL');
1196 106
1197 - // Create per-session satisfaction ratings table (v3.2.6)
1198 - mxchat_create_session_ratings_table();
1199 -
1200 - // Ensure additional columns in system prompt table
1201 - $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1202 - if (!empty($existing_system_columns)) {
1203 - $existing_system_column_names = array_column($existing_system_columns, 'Field');
1204 -
1205 - if (!in_array('embedding_vector', $existing_system_column_names)) {
1206 - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN embedding_vector LONGTEXT");
1207 - }
1208 - if (!in_array('source_url', $existing_system_column_names)) {
1209 - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN source_url TEXT DEFAULT NULL");
1210 - }
1211 - if (!in_array('role_restriction', $existing_system_column_names)) {
1212 - $wpdb->query("ALTER TABLE $system_prompt_table ADD COLUMN role_restriction VARCHAR(50) DEFAULT 'public' AFTER source_url");
1213 - }
1214 - }
1215 -
1216 107 // Set default thresholds for existing intents
1217 108 $wpdb->query("UPDATE {$intents_table} SET similarity_threshold = 0.85 WHERE similarity_threshold IS NULL");
1218 -
1219 - // Ensure enabled column exists in intents table
1220 - $existing_intent_columns = $wpdb->get_results("SHOW COLUMNS FROM $intents_table");
1221 - if (!empty($existing_intent_columns)) {
1222 - $existing_intent_column_names = array_column($existing_intent_columns, 'Field');
1223 -
1224 - if (!in_array('enabled', $existing_intent_column_names)) {
1225 - $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled TINYINT(1) NOT NULL DEFAULT 1");
1226 - }
1227 -
1228 - // Ensure enabled_bots column exists for existing installations
1229 - if (!in_array('enabled_bots', $existing_intent_column_names)) {
1230 - $wpdb->query("ALTER TABLE $intents_table ADD COLUMN enabled_bots LONGTEXT DEFAULT NULL AFTER enabled");
1231 -
1232 - // Set existing actions to work with default bot
1233 - $default_bots = json_encode(['default']);
1234 - $wpdb->query($wpdb->prepare(
1235 - "UPDATE {$intents_table} SET enabled_bots = %s WHERE enabled_bots IS NULL",
1236 - $default_bots
1237 - ));
1238 - }
1239 - }
109 + mxchat_add_missing_columns($intents_table, 'enabled', 'TINYINT(1) NOT NULL DEFAULT 1');
1240 110
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 - // Setup cron jobs
111 + // SETUP CRON JOB HERE (ONCE ON ACTIVATION)
1248 112 mxchat_setup_cron_jobs();
1249 113
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 -
1254 - //error_log("MxChat: Activation function completed");
114 + // Use the constant instead of hardcoded version
115 + update_option('mxchat_plugin_version', MXCHAT_VERSION);
1255 116 }
1256 117
1257 118 /**
1258 119 * Setup cron jobs on plugin activation
@@ -1265,42 +126,25 @@
1265 126 if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1266 127 // Set flag to use fallback system
1267 128 update_option('mxchat_use_fallback_rate_limits', true);
1268 129 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.
130 + error_log('MxChat: WordPress cron disabled, using fallback system');
131 + return;
132 + }
133 +
134 + // Schedule the rate limit reset cron job
135 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
136 +
137 + if ($result === false) {
138 + // Fallback if scheduling fails
139 + update_option('mxchat_use_fallback_rate_limits', true);
140 + update_option('mxchat_next_rate_limit_check', time() + 3600);
141 + error_log('MxChat: Failed to schedule cron on activation, using fallback');
1276 142 } 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 - }
143 + // Clear fallback flags if cron scheduling succeeded
144 + delete_option('mxchat_use_fallback_rate_limits');
145 + error_log('MxChat: Successfully scheduled cron on activation');
1288 146 }
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 147 }
1304 148
1305 149 /**
1306 150 * Clean up on plugin deactivation
@@ -1307,10 +151,8 @@
1307 151 */
1308 152 function mxchat_deactivate() {
1309 153 // Clear scheduled cron jobs
1310 154 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 155
1314 156 // Clear fallback options
1315 157 delete_option('mxchat_use_fallback_rate_limits');
1316 158 delete_option('mxchat_next_rate_limit_check');
@@ -1315,10 +157,9 @@
1315 157 delete_option('mxchat_use_fallback_rate_limits');
1316 158 delete_option('mxchat_next_rate_limit_check');
1317 159 delete_option('mxchat_fallback_check_interval');
1318 160
1319 - // NOTE: We do NOT delete queue tables on deactivation
1320 - // This preserves data if user accidentally deactivates the plugin
161 + error_log('MxChat: Cleaned up cron jobs on deactivation');
1321 162 }
1322 163
1323 164 /**
1324 165 * Check if fallback rate limit cleanup is needed
@@ -1330,188 +171,57 @@
1330 171 return;
1331 172 }
1332 173
1333 174 $next_check = get_option('mxchat_next_rate_limit_check', 0);
1334 -
175 +
1335 176 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);
177 + // Only run reset if the MxChat_Integrator class exists
178 + if (class_exists('MxChat_Integrator')) {
179 + $integrator = new MxChat_Integrator();
180 + if (method_exists($integrator, 'mxchat_reset_rate_limits')) {
181 + $integrator->mxchat_reset_rate_limits();
182 + update_option('mxchat_next_rate_limit_check', time() + 3600);
183 + }
1351 184 }
1352 185 }
1353 186 }
1354 187
1355 -/**
1356 - * Robust update checking with role restriction migration, model deprecation, and queue tables
1357 - * CRITICAL: This runs on EVERY page load to ensure tables exist
1358 - */
188 +function mxchat_add_missing_columns($table, $column_name, $column_type) {
189 + global $wpdb;
190 + $column_exists = $wpdb->get_results($wpdb->prepare("SHOW COLUMNS FROM $table LIKE %s", $column_name));
191 + if (empty($column_exists)) {
192 + $wpdb->query("ALTER TABLE $table ADD COLUMN $column_name $column_type");
193 + }
194 +}
195 +
1359 196 function mxchat_check_for_update() {
1360 - global $wpdb;
1361 -
1362 197 try {
1363 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1364 - $plugin_version = MXCHAT_BASE_VERSION;
198 + $current_version = get_option('mxchat_plugin_version');
199 + $plugin_version = MXCHAT_VERSION;
1365 200
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 || !$queue_exists) {
1375 - //error_log("MxChat: Critical tables missing, running activation");
1376 - mxchat_activate();
1377 - }
1378 -
1379 - // Version-specific migrations
1380 201 if ($current_version !== $plugin_version) {
1381 - //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1382 -
1383 202 // Run live agent update BEFORE updating the stored version
1384 203 mxchat_handle_live_agent_update();
1385 -
1386 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1387 - mxchat_handle_theme_migration_notice();
1388 204
1389 - // Run role restriction migration for 2.4.1
1390 - if (version_compare($current_version, '2.4.1', '<')) {
1391 - mxchat_add_role_restriction_column();
1392 - }
1393 -
1394 - // Run enabled_bots column migration for 2.4.4
1395 - if (version_compare($current_version, '2.4.4', '<')) {
1396 - mxchat_add_enabled_bots_column();
1397 - }
1398 -
1399 - // Run model migration for 2.5.1 (Claude deprecation)
1400 - if (version_compare($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($current_version, '3.2.16', '<')) {
1456 - mxchat_migrate_deprecated_models();
1457 - }
1458 -
1459 - // Run full activation to ensure everything is up to date
205 + // Run existing update processes
1460 206 mxchat_activate();
1461 -
1462 - // Run migration functions
1463 207 mxchat_migrate_live_agent_status();
1464 208
1465 - // Add the cleanup function for version 2.1.8
209 + // Add the new cleanup function for version 2.1.8
1466 210 if (version_compare($current_version, '2.1.8', '<')) {
1467 211 $deleted = mxchat_cleanup_orphaned_chat_history();
1468 212 }
1469 213
1470 - // Update version LAST
214 + // Update version LAST so the live agent update logic can work
1471 215 update_option('mxchat_plugin_version', $plugin_version);
1472 -
1473 - //error_log("MxChat: Updated from version $current_version to $plugin_version");
1474 216 }
1475 -
1476 217 } catch (Exception $e) {
1477 - //error_log('MxChat update error: ' . $e->getMessage());
218 + error_log('MxChat update error: ' . $e->getMessage());
1478 219 // Don't update version if there was an error
1479 220 }
1480 221 }
1481 222
1482 223 /**
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
1485 - */
1486 -function mxchat_ensure_tables_exist() {
1487 - global $wpdb;
1488 -
1489 - // Only run for admin users to avoid performance impact
1490 - if (!current_user_can('administrator')) {
1491 - return;
1492 - }
1493 -
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 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
1502 - $queue_table = $wpdb->prefix . 'mxchat_processing_queue';
1503 -
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 || !$queue_exists) {
1508 - //error_log("MxChat: Tables missing on admin load, running activation");
1509 - mxchat_activate();
1510 - }
1511 -}
1512 -
1513 -/**
1514 224 * Clean up orphaned chat history options from the wp_options table
1515 225 * @return int Number of options deleted
1516 226 */
1517 227 function mxchat_cleanup_orphaned_chat_history() {
@@ -1542,9 +252,8 @@
1542 252 if ($exists == 0) {
1543 253 delete_option($option->option_name);
1544 254 // Also delete related metadata
1545 255 delete_option("mxchat_email_{$session_id}");
1546 - delete_option("mxchat_name_{$session_id}");
1547 256 delete_option("mxchat_agent_name_{$session_id}");
1548 257 $count++;
1549 258 }
1550 259 }
@@ -1588,77 +297,42 @@
1588 297 function mxchat_handle_live_agent_update() {
1589 298 // Get the CURRENT stored version (before it gets updated)
1590 299 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1591 300 $new_version = '2.2.2';
1592 -
301 +
1593 302 // Only run this once for the update to 2.2.2
1594 303 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1595 -
304 +
1596 305 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1597 306 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1598 307 $options = get_option('mxchat_options', array());
1599 -
308 +
1600 309 // Check if live agent was previously enabled
1601 310 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1602 311 // Disable live agent
1603 312 $options['live_agent_status'] = 'off';
1604 313 update_option('mxchat_options', $options);
1605 -
314 +
1606 315 // Set flag to show the notification banner
1607 316 update_option('mxchat_show_live_agent_disabled_notice', true);
1608 317 }
1609 -
318 +
1610 319 // Mark this update as handled
1611 320 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1612 321 }
1613 322 }
1614 323
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 324 // Initialize plugin safely
1644 325 function mxchat_init() {
1645 326 // Include all class files first
1646 327 mxchat_include_classes();
1647 328
1648 - // Run update check (this also ensures tables exist)
329 + // Run update check
1649 330 mxchat_check_for_update();
1650 331
1651 - // CRITICAL: Ensure tables exist on admin pages (safety net)
1652 - add_action('admin_init', 'mxchat_ensure_tables_exist', 1);
1653 -
1654 332 // Add fallback rate limit check
1655 333 add_action('init', 'mxchat_check_fallback_rate_limits', 5);
1656 334
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 335 // Initialize classes with error handling
1662 336 try {
1663 337 // Initialize admin classes
1664 338 if (is_admin()) {
@@ -1668,37 +342,10 @@
1668 342 if (class_exists('MxChat_Admin')) {
1669 343 $mxchat_admin = new MxChat_Admin($mxchat_knowledge_manager);
1670 344 }
1671 345 }
1672 -
1673 - // Initialize meta box class
1674 - if (class_exists('MxChat_Meta_Box')) {
1675 - new MxChat_Meta_Box();
1676 - }
1677 -
1678 346 }
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 -
347 +
1701 348 // Initialize public classes
1702 349 if (class_exists('MxChat_Public')) {
1703 350 $mxchat_public = new MxChat_Public();
1704 351 }
@@ -1703,14 +350,13 @@
1703 350 $mxchat_public = new MxChat_Public();
1704 351 }
1705 352
1706 353 if (class_exists('MxChat_Integrator')) {
1707 - global $mxchat_integrator;
1708 354 $mxchat_integrator = new MxChat_Integrator();
1709 355 }
1710 356
1711 357 } catch (Exception $e) {
1712 - //error_log('MxChat initialization error: ' . $e->getMessage());
358 + error_log('MxChat initialization error: ' . $e->getMessage());
1713 359
1714 360 // Show admin notice if there's an error
1715 361 if (is_admin()) {
1716 362 add_action('admin_notices', function() use ($e) {
@@ -1725,74 +371,8 @@
1725 371
1726 372 // Run initialization on plugins_loaded
1727 373 add_action('plugins_loaded', 'mxchat_init');
1728 374
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 375 // Register activation hook
1796 376 register_activation_hook(__FILE__, 'mxchat_activate');
1797 377
1798 378 // Add cron schedule
@@ -1804,67 +384,5 @@
1804 384 return $schedules;
1805 385 });
1806 386
1807 387 // 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');
388 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');