PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.5.4
MxChat – AI Chatbot & Content Generation for WordPress v2.5.4
3.2.21 3.2.20 3.2.19 3.2.18 3.2.17 3.2.16 3.2.15 3.2.14 3.2.12 3.2.13 3.2.11 3.2.10 3.2.9 3.2.8 3.2.7 3.2.6 3.2.5 3.2.4 3.2.3 3.2.2 3.2.1 2.0.3 2.0.4 2.0.5 2.0.6 All 152 releases
← All changes | mxchat-basic.php +47 -951 3.2.14 → 2.5.4 View file →
@@ -2,9 +2,9 @@
2 2 /**
3 3 * Plugin Name: MxChat
4 4 * Plugin URI: https://mxchat.ai/
5 5 * Description: AI chatbot for WordPress with OpenAI, Claude, xAI, DeepSeek, live agent, PDF uploads, WooCommerce, and training on website data.
6 - * Version: 3.2.14
6 + * Version: 2.5.4
7 7 * Author: MxChat
8 8 * Author URI: https://mxchat.ai
9 9 * License: GPLv2 or later
10 10 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -15,397 +15,23 @@
15 15 if (!defined('ABSPATH')) {
16 16 exit; // Exit if accessed directly.
17 17 }
18 18
19 -
20 -if (!defined('MXCHAT_DEV_MODE')) {
21 - define('MXCHAT_DEV_MODE', false);
22 -}
23 -
19 +// Define plugin version constant for asset versioning
20 +// Reads version from plugin header automatically
24 21 if (!defined('MXCHAT_VERSION')) {
25 22 $plugin_data = get_file_data(__FILE__, array('Version' => 'Version'), 'plugin');
26 - $version = $plugin_data['Version'];
27 - if (MXCHAT_DEV_MODE) {
28 - $version .= '.' . time();
29 - }
30 - define('MXCHAT_VERSION', $version);
23 + define('MXCHAT_VERSION', $plugin_data['Version']);
31 24 }
32 25
33 -/**
34 - * Honest, versioned User-Agent for MXChat remote-content ingestion fetches
35 - * (Knowledge Base PDF import, URL import, sitemap / website crawl).
36 - *
37 - * WAF rulesets (SiteGround/ModSecurity, Wordfence, Cloudflare managed rules)
38 - * flag stale spoofed-browser UAs as scrapers and return 403 — which silently
39 - * broke the single most common KB source: self-hosted media on the site's own
40 - * domain. A truthful crawler identifier is the industry norm for well-behaved
41 - * bots and lets a site owner allowlist "MXChatBot" in their WAF. Filterable so
42 - * a locked-down host can supply a different string without a code change.
43 - */
44 -if (!function_exists('mxchat_ingest_user_agent')) {
45 - function mxchat_ingest_user_agent() {
46 - $version = defined('MXCHAT_VERSION') ? MXCHAT_VERSION : '1.0';
47 - $ua = 'MXChatBot/' . $version . ' (+https://mxchat.ai/bot)';
48 - return apply_filters('mxchat_ingest_user_agent', $ua);
49 - }
50 -}
51 -
52 26 function mxchat_load_textdomain() {
53 - $domain = 'mxchat';
54 - $locale = determine_locale();
55 -
56 - // First, try to load from /wp-content/languages/plugins/ (preserved during updates)
57 - $mo_file = WP_LANG_DIR . '/plugins/' . $domain . '-' . $locale . '.mo';
58 - if (file_exists($mo_file)) {
59 - load_textdomain($domain, $mo_file);
60 - return;
61 - }
62 -
63 - // Fallback to plugin's /languages directory
64 - load_plugin_textdomain($domain, false, dirname(plugin_basename(__FILE__)) . '/languages');
27 + load_plugin_textdomain('mxchat', false, dirname(plugin_basename(__FILE__)) . '/languages');
65 28 }
66 29 add_action('init', 'mxchat_load_textdomain');
67 30
68 -/**
69 - * One-time migration: gemini-3-pro-preview was shut down by Google on March 9, 2026.
70 - * Existing installs with the dead ID get auto-remapped to gemini-3.1-pro-preview
71 - * (Google's official migration target) the first time admin_init fires after update.
72 - */
73 -add_action('admin_init', function () {
74 - if (get_option('mxchat_gemini_3_remap_done')) {
75 - return;
76 - }
77 - $opts = get_option('mxchat_options');
78 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'gemini-3-pro-preview') {
79 - $opts['model'] = 'gemini-3.1-pro-preview';
80 - update_option('mxchat_options', $opts);
81 - }
82 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'gemini-3-pro-preview') {
83 - $opts['content_model'] = 'gemini-3.1-pro-preview';
84 - update_option('mxchat_options', $opts);
85 - }
86 - update_option('mxchat_gemini_3_remap_done', 1);
87 -});
88 -
89 -/**
90 - * One-time migration: the Grok 2 family was retired by xAI (grok-2, grok-2-1212,
91 - * grok-2-latest, grok-2-vision-1212 all return 400 "Model not found"). Existing
92 - * installs with the dead ID get auto-remapped to grok-4-1-fast-non-reasoning
93 - * (modern, fast, broadly available) the first time admin_init fires after update.
94 - */
95 -add_action('admin_init', function () {
96 - if (get_option('mxchat_grok_2_remap_done')) {
97 - return;
98 - }
99 - $opts = get_option('mxchat_options');
100 - if (is_array($opts) && isset($opts['model']) && $opts['model'] === 'grok-2') {
101 - $opts['model'] = 'grok-4-1-fast-non-reasoning';
102 - update_option('mxchat_options', $opts);
103 - }
104 - if (is_array($opts) && isset($opts['content_model']) && $opts['content_model'] === 'grok-2') {
105 - $opts['content_model'] = 'grok-4-1-fast-non-reasoning';
106 - update_option('mxchat_options', $opts);
107 - }
108 - update_option('mxchat_grok_2_remap_done', 1);
109 -});
110 -
111 -/**
112 - * One-time migration: Anthropic retired the Claude 4 (2025-05-14) snapshots on
113 - * June 15, 2026 — claude-opus-4-20250514 and claude-sonnet-4-20250514 now return
114 - * an API error. Existing installs with a dead ID get auto-remapped to the current
115 - * equivalents Anthropic recommends (Opus 4.8 / Sonnet 4.6) the first time admin_init
116 - * fires after update. Mirrors the gemini-3-pro-preview / grok-2 rescues above.
117 - */
118 -add_action('admin_init', function () {
119 - if (get_option('mxchat_claude_4_retire_remap_done')) {
120 - return;
121 - }
122 - $map = array(
123 - 'claude-opus-4-20250514' => 'claude-opus-4-8',
124 - 'claude-sonnet-4-20250514' => 'claude-sonnet-4-6',
125 - );
126 - $opts = get_option('mxchat_options');
127 - if (is_array($opts)) {
128 - $changed = false;
129 - if (isset($opts['model']) && isset($map[$opts['model']])) {
130 - $opts['model'] = $map[$opts['model']];
131 - $changed = true;
132 - }
133 - if (isset($opts['content_model']) && isset($map[$opts['content_model']])) {
134 - $opts['content_model'] = $map[$opts['content_model']];
135 - $changed = true;
136 - }
137 - if ($changed) {
138 - update_option('mxchat_options', $opts);
139 - }
140 - }
141 - update_option('mxchat_claude_4_retire_remap_done', 1);
142 -});
143 -
144 -/**
145 - * Exclude MxChat assets from caching plugin optimizations
146 - *
147 - * This prevents issues with WP Rocket, LiteSpeed Cache, Autoptimize, WP Super Cache,
148 - * W3 Total Cache, SG Optimizer, and similar plugins that may break the chatbot by
149 - * removing "unused" CSS, minifying/combining JS, or deferring/delaying jQuery.
150 - *
151 - * Both chat-script.js and floating-script.js depend on jQuery, so jQuery must also
152 - * be excluded from any optimization that changes load order or timing.
153 - */
154 -
155 -// ── WP Rocket ────────────────────────────────────────────────────────────────
156 -
157 -// Exclude from Remove Unused CSS (RUCSS)
158 -add_filter('rocket_rucss_inline_atts_exclusions', function($exclusions) {
159 - if (!is_array($exclusions)) $exclusions = array();
160 - $exclusions[] = 'mxchat';
161 - return $exclusions;
162 -});
163 -
164 -// Exclude CSS from minification/combination
165 -add_filter('rocket_exclude_css', function($excluded) {
166 - if (!is_array($excluded)) $excluded = array();
167 - $excluded[] = '/plugins/mxchat-basic/css/chat-style.css';
168 - return $excluded;
169 -});
170 -
171 -// Exclude JS from minification/combination
172 -add_filter('rocket_exclude_js', function($excluded) {
173 - if (!is_array($excluded)) $excluded = array();
174 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
175 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
176 - $excluded[] = '/jquery-core';
177 - $excluded[] = '/jquery.min.js';
178 - $excluded[] = '/jquery.js';
179 - $excluded[] = '/jquery-migrate';
180 - return $excluded;
181 -});
182 -
183 -// Exclude JS from defer
184 -add_filter('rocket_exclude_defer_js', function($excluded) {
185 - if (!is_array($excluded)) $excluded = array();
186 - $excluded[] = '/plugins/mxchat-basic/js/chat-script.js';
187 - $excluded[] = '/plugins/mxchat-basic/js/floating-script.js';
188 - $excluded[] = '/jquery-core';
189 - $excluded[] = '/jquery.min.js';
190 - $excluded[] = '/jquery.js';
191 - $excluded[] = '/jquery-migrate';
192 - return $excluded;
193 -});
194 -
195 -// Exclude from delay JS execution
196 -add_filter('rocket_delay_js_exclusions', function($excluded) {
197 - if (!is_array($excluded)) $excluded = array();
198 - $excluded[] = 'mxchat';
199 - $excluded[] = 'chat-script';
200 - $excluded[] = 'floating-script';
201 - $excluded[] = '/jquery-core';
202 - $excluded[] = '/jquery.min.js';
203 - $excluded[] = '/jquery.js';
204 - $excluded[] = '/jquery-migrate';
205 - return $excluded;
206 -});
207 -
208 -// ── LiteSpeed Cache ──────────────────────────────────────────────────────────
209 -
210 -// Exclude CSS from optimization
211 -add_filter('litespeed_optimize_css_excludes', function($excluded) {
212 - if (!is_array($excluded)) $excluded = array();
213 - $excluded[] = 'chat-style.css';
214 - $excluded[] = 'mxchat';
215 - return $excluded;
216 -});
217 -
218 -// Exclude from UCSS (Unique CSS) - prevents LiteSpeed from stripping "unused" MxChat CSS
219 -add_filter('litespeed_ucss_whitelist', function($whitelist) {
220 - if (!is_array($whitelist)) $whitelist = array();
221 - $whitelist[] = '.mxchat-chatbot-wrapper';
222 - $whitelist[] = '.floating-chatbot';
223 - $whitelist[] = '.floating-chatbot-button';
224 - $whitelist[] = '.chatbot-top-bar';
225 - $whitelist[] = '.mxchat-chatbot';
226 - $whitelist[] = '.chat-container';
227 - $whitelist[] = '.chat-box';
228 - $whitelist[] = '.bot-message';
229 - $whitelist[] = '.input-container';
230 - $whitelist[] = '.chat-input';
231 - $whitelist[] = '.send-button';
232 - $whitelist[] = '.pre-chat-message';
233 - $whitelist[] = '.mxchat-popular-questions';
234 - $whitelist[] = '.chat-toolbar';
235 - $whitelist[] = '.exit-chat';
236 - $whitelist[] = '.email-blocker';
237 - return $whitelist;
238 -});
239 -
240 -// Exclude CSS from CCSS (Critical CSS) generation
241 -add_filter('litespeed_optm_ccss_exc', function($excluded) {
242 - if (!is_array($excluded)) $excluded = array();
243 - $excluded[] = 'chat-style.css';
244 - $excluded[] = 'mxchat';
245 - return $excluded;
246 -});
247 -
248 -// Exclude JS from defer
249 -add_filter('litespeed_optm_js_defer_exc', function($excluded) {
250 - if (!is_array($excluded)) $excluded = array();
251 - $excluded[] = 'chat-script.js';
252 - $excluded[] = 'floating-script.js';
253 - $excluded[] = 'mxchat';
254 - $excluded[] = 'jquery.min.js';
255 - $excluded[] = 'jquery.js';
256 - return $excluded;
257 -});
258 -
259 -// Exclude JS from combining
260 -add_filter('litespeed_optm_js_exc', function($excluded) {
261 - if (!is_array($excluded)) $excluded = array();
262 - $excluded[] = 'chat-script.js';
263 - $excluded[] = 'floating-script.js';
264 - $excluded[] = 'mxchat';
265 - $excluded[] = 'jquery.min.js';
266 - $excluded[] = 'jquery.js';
267 - return $excluded;
268 -});
269 -
270 -// Exclude JS from delayed execution
271 -add_filter('litespeed_optm_js_delay_exc', function($excluded) {
272 - if (!is_array($excluded)) $excluded = array();
273 - $excluded[] = 'chat-script.js';
274 - $excluded[] = 'floating-script.js';
275 - $excluded[] = 'mxchat';
276 - return $excluded;
277 -});
278 -
279 -// Exclude from Guest Mode optimization
280 -add_filter('litespeed_guest_optm_exc', function($excluded) {
281 - if (!is_array($excluded)) $excluded = array();
282 - $excluded[] = 'mxchat';
283 - $excluded[] = 'chat-style';
284 - $excluded[] = 'chat-script';
285 - $excluded[] = 'floating-script';
286 - return $excluded;
287 -});
288 -
289 -// ── Autoptimize ──────────────────────────────────────────────────────────────
290 -
291 -// Exclude CSS from optimization (comma-separated strings)
292 -add_filter('autoptimize_filter_css_exclude', function($excluded) {
293 - if (!is_string($excluded)) $excluded = '';
294 - return $excluded . ', mxchat, chat-style.css';
295 -});
296 -
297 -// Exclude JS from optimization (comma-separated strings)
298 -add_filter('autoptimize_filter_js_exclude', function($excluded) {
299 - if (!is_string($excluded)) $excluded = '';
300 - return $excluded . ', mxchat, chat-script.js, floating-script.js, jquery.min.js, jquery.js';
301 -});
302 -
303 -// ── SG Optimizer (SiteGround) ────────────────────────────────────────────────
304 -
305 -add_filter('sgo_js_minify_exclude', function($excluded) {
306 - if (!is_array($excluded)) $excluded = array();
307 - $excluded[] = 'chat-script.js';
308 - $excluded[] = 'floating-script.js';
309 - $excluded[] = 'jquery.min.js';
310 - return $excluded;
311 -});
312 -
313 -add_filter('sgo_javascript_combine_exclude', function($excluded) {
314 - if (!is_array($excluded)) $excluded = array();
315 - $excluded[] = 'chat-script.js';
316 - $excluded[] = 'floating-script.js';
317 - $excluded[] = 'jquery.min.js';
318 - return $excluded;
319 -});
320 -
321 -add_filter('sgo_js_async_exclude', function($excluded) {
322 - if (!is_array($excluded)) $excluded = array();
323 - $excluded[] = 'chat-script.js';
324 - $excluded[] = 'floating-script.js';
325 - $excluded[] = 'jquery.min.js';
326 - return $excluded;
327 -});
328 -
329 -// ── W3 Total Cache ───────────────────────────────────────────────────────────
330 -
331 -add_filter('w3tc_minify_js_do_tag_minification', function($do_minify, $script_tag, $file) {
332 - if (strpos($file, 'chat-script.js') !== false ||
333 - strpos($file, 'floating-script.js') !== false ||
334 - strpos($file, 'jquery.min.js') !== false ||
335 - strpos($file, 'jquery.js') !== false) {
336 - return false;
337 - }
338 - return $do_minify;
339 -}, 10, 3);
340 -
341 -// ── WP Super Cache ──────────────────────────────────────────────────────────
342 -
343 -add_filter('wpsc_rejected_uri', function($rejected) {
344 - if (!is_array($rejected)) $rejected = array();
345 - $rejected[] = 'wp-admin/admin-ajax.php';
346 - return $rejected;
347 -});
348 -
349 -// ── Page-cache bypass for chat AJAX (companion to the 3.2.6 nonce-race hotfix)
350 -// Each cache plugin gets its own filter export so that visitors hitting an
351 -// edge-cached page never receive cached chat-AJAX responses. The chat send /
352 -// stream send / file upload all POST to /wp-admin/admin-ajax.php with
353 -// `action=mxchat_*`. Without these exports, a cache plugin can stale a response
354 -// and break the per-session nonce flow on the first message.
355 -
356 -// WP Rocket — `rocket_cache_reject_uri` takes a flat array of regex strings.
357 -add_filter('rocket_cache_reject_uri', function($uris) {
358 - if (!is_array($uris)) $uris = array();
359 - $uris[] = '/wp-admin/admin-ajax\.php\?action=mxchat_.*';
360 - return $uris;
361 -});
362 -
363 -// LiteSpeed Cache — `litespeed_cache_no_cache_for_request` short-circuits
364 -// caching when the request matches our chat-AJAX pattern.
365 -add_filter('litespeed_cache_no_cache_for_request', function($no_cache) {
366 - if ($no_cache) return $no_cache;
367 - if (!empty($_SERVER['REQUEST_URI']) &&
368 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
369 - !empty($_REQUEST['action']) &&
370 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
371 - return true;
372 - }
373 - return $no_cache;
374 -});
375 -
376 -// W3 Total Cache — `w3tc_pgcache_request_skip_uri` flips page-cache off when
377 -// the URI matches.
378 -add_filter('w3tc_pgcache_request_skip_uri', function($skip) {
379 - if ($skip) return $skip;
380 - if (!empty($_SERVER['REQUEST_URI']) &&
381 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
382 - !empty($_REQUEST['action']) &&
383 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
384 - return true;
385 - }
386 - return $skip;
387 -});
388 -
389 -// FlyingPress — `flying_press_cacheable` takes a boolean and is run per
390 -// request. Same pattern as LiteSpeed / W3TC.
391 -add_filter('flying_press_cacheable', function($cacheable) {
392 - if (!$cacheable) return $cacheable;
393 - if (!empty($_SERVER['REQUEST_URI']) &&
394 - strpos($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php') !== false &&
395 - !empty($_REQUEST['action']) &&
396 - strpos((string) $_REQUEST['action'], 'mxchat_') === 0) {
397 - return false;
398 - }
399 - return $cacheable;
400 -});
401 -
402 31 // Include classes with error handling
403 32 function mxchat_include_classes() {
404 33 $class_files = array(
405 - 'includes/class-mxchat-model-catalog.php',
406 - 'includes/class-mxchat-live-agent-schedule.php',
407 - 'includes/class-mxchat-tool-registry.php',
408 34 'includes/class-mxchat-integrator.php',
409 35 'includes/class-mxchat-admin.php',
410 36 'includes/class-mxchat-public.php',
411 37 'includes/class-mxchat-utils.php',
@@ -410,14 +36,10 @@
410 36 'includes/class-mxchat-public.php',
411 37 'includes/class-mxchat-utils.php',
412 38 'includes/class-mxchat-user.php',
413 39 'includes/class-mxchat-meta-box.php',
414 - 'includes/class-mxchat-chunker.php',
40 + 'includes/pdf-parser/alt_autoload.php',
415 41 'includes/class-mxchat-word-handler.php',
416 - 'includes/class-mxchat-content-generator.php',
417 - 'includes/class-mxchat-cache-purge.php',
418 - 'includes/class-mxchat-editor-assistant.php',
419 - 'includes/class-rest-api.php',
420 42 'admin/class-ajax-handler.php',
421 43 'admin/class-pinecone-manager.php',
422 44 'admin/class-knowledge-manager.php'
423 45 );
@@ -429,57 +51,11 @@
429 51 } else {
430 52 //error_log('MxChat: Missing class file - ' . $file);
431 53 }
432 54 }
433 -
434 - // Register the native function-calling admin-post save handler (a41dee).
435 - if (class_exists('MxChat_Tool_Registry')) {
436 - MxChat_Tool_Registry::init();
437 - }
438 -
439 - // Editor Assistant — free, OFF-by-default block-editor AI actions (plan-8cb0cb).
440 - // init() wires REST + streaming AJAX + sidebar enqueue ONLY when the
441 - // mxchat_editor_assistant_enabled option is 'on'; otherwise zero footprint.
442 - if (class_exists('MxChat_Editor_Assistant')) {
443 - MxChat_Editor_Assistant::init();
444 - }
445 -
446 - // Admin pages that aren't classes (procedural include).
447 - if (is_admin()) {
448 - $admin_api_page = plugin_dir_path(__FILE__) . 'includes/admin-api-page.php';
449 - if (file_exists($admin_api_page)) {
450 - require_once $admin_api_page;
451 - }
452 - // f7c7d4 renamed this file admin-dashboard-page.php → admin-onboarding-page.php.
453 - // The require MUST live here (admin bootstrap) and not just inside
454 - // mxchat_add_plugin_page() on the admin_menu hook — admin_menu does NOT
455 - // fire on admin-ajax.php requests, so the wizard's AJAX handlers
456 - // (plan-905439: mxchat_onboarding_kb_status / save_step / mark_step /
457 - // auto_graduate + the f7c7d4 dismiss handler) would never register.
458 - $admin_onboarding_page = plugin_dir_path(__FILE__) . 'includes/admin-onboarding-page.php';
459 - if (file_exists($admin_onboarding_page)) {
460 - require_once $admin_onboarding_page;
461 - }
462 - }
463 55 }
464 56
465 57 /**
466 - * Lazy-load the PDF parser library only when needed.
467 - * Avoids loading 44 files on every page request.
468 - */
469 -function mxchat_load_pdf_parser() {
470 - if (class_exists('\Smalot\PdfParser\Parser')) {
471 - return true;
472 - }
473 - $autoload_path = plugin_dir_path(__FILE__) . 'includes/pdf-parser/alt_autoload.php';
474 - if (file_exists($autoload_path)) {
475 - require_once $autoload_path;
476 - return true;
477 - }
478 - return false;
479 -}
480 -
481 -/**
482 58 * Create URL click tracking table
483 59 */
484 60 function mxchat_create_url_clicks_table() {
485 61 global $wpdb;
@@ -562,13 +138,12 @@
562 138
563 139 // Define all required columns and their types
564 140 $required_columns = [
565 141 'user_identifier' => 'VARCHAR(255) DEFAULT NULL',
566 - 'user_email' => 'VARCHAR(255) DEFAULT NULL',
142 + 'user_email' => 'VARCHAR(255) DEFAULT NULL',
567 143 'user_name' => 'VARCHAR(100) DEFAULT NULL',
568 144 'originating_page_url' => 'TEXT DEFAULT NULL',
569 - 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL',
570 - 'rag_context' => 'LONGTEXT DEFAULT NULL'
145 + 'originating_page_title' => 'VARCHAR(500) DEFAULT NULL'
571 146 ];
572 147
573 148 // Get existing columns
574 149 $existing_columns = $wpdb->get_results("SHOW COLUMNS FROM $table_name");
@@ -688,137 +263,32 @@
688 263 }
689 264 }
690 265
691 266 /**
692 - * Create Pinecone role restrictions table with multi-bot support
267 + * Create Pinecone role restrictions table
693 268 */
694 269 function mxchat_create_pinecone_roles_table() {
695 270 global $wpdb;
696 -
271 +
697 272 $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
698 273 $charset_collate = $wpdb->get_charset_collate();
699 -
274 +
700 275 $sql = "CREATE TABLE $table_name (
701 276 id mediumint(9) NOT NULL AUTO_INCREMENT,
702 277 vector_id varchar(255) NOT NULL,
703 - bot_id varchar(50) NOT NULL DEFAULT 'default',
704 278 source_url text,
705 279 role_restriction varchar(50) DEFAULT 'public',
706 280 updated_at timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
707 281 PRIMARY KEY (id),
708 - UNIQUE KEY vector_bot (vector_id, bot_id),
709 - KEY role_restriction (role_restriction),
710 - KEY bot_id (bot_id)
282 + UNIQUE KEY vector_id (vector_id),
283 + KEY role_restriction (role_restriction)
711 284 ) $charset_collate;";
712 -
285 +
713 286 require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
714 287 dbDelta($sql);
715 288 }
716 289
717 290 /**
718 - * Add bot_id column to mxchat_pinecone_roles table for multi-bot support
719 - * This migration runs once to update existing installations
720 - */
721 -function mxchat_migrate_pinecone_roles_add_bot_id() {
722 - global $wpdb;
723 -
724 - // Check if migration already ran
725 - $migration_version = get_option('mxchat_pinecone_roles_migration_version', '0');
726 - if (version_compare($migration_version, '2.5.2', '>=')) {
727 - return; // Already migrated
728 - }
729 -
730 - $table_name = $wpdb->prefix . 'mxchat_pinecone_roles';
731 -
732 - // Check if table exists
733 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
734 - return; // Table doesn't exist yet
735 - }
736 -
737 - // Check if bot_id column already exists
738 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'bot_id'");
739 -
740 - if (empty($column_exists)) {
741 - // Add bot_id column
742 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN bot_id VARCHAR(50) NOT NULL DEFAULT 'default' AFTER vector_id");
743 -
744 - // Update the unique key to include bot_id
745 - $wpdb->query("ALTER TABLE {$table_name} DROP INDEX vector_id");
746 - $wpdb->query("ALTER TABLE {$table_name} ADD UNIQUE KEY vector_bot (vector_id, bot_id)");
747 -
748 - // Add index for bot_id
749 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY bot_id (bot_id)");
750 -
751 - //error_log('MxChat: Successfully added bot_id column to mxchat_pinecone_roles table');
752 - }
753 -
754 - // Mark migration as complete
755 - update_option('mxchat_pinecone_roles_migration_version', '2.5.2');
756 -}
757 -
758 -/**
759 - * 2.5.6: Add content_type column to mxchat_system_prompt_content table
760 - * Enables filtering knowledge base by content type (posts, pages, PDFs, etc.)
761 - */
762 -function mxchat_migrate_add_content_type_column() {
763 - global $wpdb;
764 -
765 - // Check if migration already ran
766 - $migration_version = get_option('mxchat_content_type_migration_version', '0');
767 - if (version_compare($migration_version, '2.5.6', '>=')) {
768 - return;
769 - }
770 -
771 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
772 -
773 - // Check if table exists
774 - if ($wpdb->get_var("SHOW TABLES LIKE '{$table_name}'") != $table_name) {
775 - return;
776 - }
777 -
778 - // Check if content_type column already exists
779 - $column_exists = $wpdb->get_results("SHOW COLUMNS FROM {$table_name} LIKE 'content_type'");
780 -
781 - if (empty($column_exists)) {
782 - // Add content_type column with default value 'content' for backwards compatibility
783 - $wpdb->query("ALTER TABLE {$table_name} ADD COLUMN content_type VARCHAR(50) DEFAULT 'content' AFTER role_restriction");
784 -
785 - // Add index for better query performance
786 - $wpdb->query("ALTER TABLE {$table_name} ADD KEY content_type (content_type)");
787 -
788 - //error_log('MxChat: Successfully added content_type column to mxchat_system_prompt_content table');
789 - }
790 -
791 - // Mark migration as complete
792 - update_option('mxchat_content_type_migration_version', '2.5.6');
793 -}
794 -
795 -/**
796 - * 3.2.4: Backfill the active embedding model option for installs that already
797 - * have KB content but no stamped model. The mismatch warning compares this
798 - * against the user's currently selected model — no per-row column needed.
799 - */
800 -function mxchat_backfill_active_embedding_model() {
801 - global $wpdb;
802 -
803 - if (get_option('mxchat_active_embedding_model', '') !== '') {
804 - return;
805 - }
806 -
807 - $kb_table = $wpdb->prefix . 'mxchat_system_prompt_content';
808 - if ($wpdb->get_var("SHOW TABLES LIKE '{$kb_table}'") !== $kb_table) {
809 - return;
810 - }
811 -
812 - $kb_count = (int) $wpdb->get_var("SELECT COUNT(*) FROM {$kb_table}");
813 - if ($kb_count > 0) {
814 - $options = get_option('mxchat_options', array());
815 - $current_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
816 - update_option('mxchat_active_embedding_model', $current_model, false);
817 - }
818 -}
819 -
820 -/**
821 291 * 2.5.2: Create queue processing tables for reliable background processing
822 292 */
823 293 function mxchat_create_queue_tables() {
824 294 global $wpdb;
@@ -866,58 +336,8 @@
866 336 //error_log("MxChat: Queue tables created/updated successfully");
867 337 }
868 338
869 339 /**
870 - * Create transcript translations table for persisting translations
871 - */
872 -function mxchat_create_translations_table() {
873 - global $wpdb;
874 - $charset_collate = $wpdb->get_charset_collate();
875 -
876 - $table_name = $wpdb->prefix . 'mxchat_transcript_translations';
877 - $sql = "CREATE TABLE $table_name (
878 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
879 - session_id varchar(255) NOT NULL,
880 - language_code varchar(10) NOT NULL,
881 - translations longtext NOT NULL,
882 - created_at datetime NOT NULL,
883 - updated_at datetime NOT NULL,
884 - PRIMARY KEY (id),
885 - UNIQUE KEY session_lang (session_id, language_code),
886 - KEY session_id (session_id)
887 - ) $charset_collate;";
888 -
889 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
890 - dbDelta($sql);
891 -}
892 -
893 -/**
894 - * Create per-session satisfaction ratings table (v3.2.6)
895 - * Stores one 👍/👎 rating + optional feedback per chat session.
896 - */
897 -function mxchat_create_session_ratings_table() {
898 - global $wpdb;
899 - $charset_collate = $wpdb->get_charset_collate();
900 -
901 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
902 - $sql = "CREATE TABLE $table_name (
903 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
904 - session_id varchar(255) NOT NULL,
905 - bot_id varchar(50) NOT NULL DEFAULT 'default',
906 - rating_value tinyint(1) NOT NULL,
907 - rating_feedback text DEFAULT NULL,
908 - created_at datetime NOT NULL,
909 - PRIMARY KEY (id),
910 - UNIQUE KEY session_id (session_id),
911 - KEY bot_id (bot_id),
912 - KEY created_at (created_at)
913 - ) $charset_collate;";
914 -
915 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
916 - dbDelta($sql);
917 -}
918 -
919 -/**
920 340 * 2.5.2: Fix URL column size to support long URLs (especially with UTF-8 encoding)
921 341 * This fixes "url, source_url. The supplied values may be too long" errors
922 342 */
923 343 function mxchat_fix_url_column_size() {
@@ -940,80 +360,22 @@
940 360
941 361 /**
942 362 * Migrate deprecated AI models to their replacements
943 363 * Version 2.5.1: Migrate Claude 3.5 Sonnet (deprecated) to Claude 3.7 Sonnet
944 - * Version 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
945 - * Without utf8mb4, any bot response containing emojis silently fails to insert.
946 364 */
947 -function mxchat_migrate_transcripts_charset() {
948 - global $wpdb;
949 - $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
950 - $wpdb->query("ALTER TABLE $table_name CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci");
951 -}
952 -
953 -/**
954 - * Version 3.0.55: Migrate GPT-4 series models (deprecated 2026-02-17) to GPT-5 series
955 - */
956 365 function mxchat_migrate_deprecated_models() {
957 366 $options = get_option('mxchat_options', array());
958 - $migrated = false;
959 - $migration_message = '';
960 -
961 - if (!isset($options['model'])) {
962 - return;
963 - }
964 -
965 - $current_model = $options['model'];
966 -
967 - // Migrate deprecated Claude models to Claude Opus 4.6 (recommended replacement per Anthropic)
968 - $deprecated_claude_models = array(
969 - 'claude-3-5-sonnet-20240620', // Retired Oct 28, 2025
970 - 'claude-3-5-sonnet-20241022', // Retired Oct 28, 2025
971 - 'claude-3-7-sonnet-20250219', // Retiring Feb 19, 2026
972 - 'claude-3-opus-20240229', // Retired Jan 5, 2026
973 - 'claude-3-sonnet-20240229', // Legacy
974 - 'claude-3-haiku-20240307', // Legacy
975 - );
976 - if (in_array($current_model, $deprecated_claude_models, true)) {
977 - $options['model'] = 'claude-opus-4-6';
978 - $migrated = true;
979 - $migration_message = sprintf(
980 - 'Your chatbot model has been automatically updated from %s to Claude Opus 4.6 due to Anthropic deprecating older Claude models.',
981 - $current_model
982 - );
983 - }
984 -
985 - // Migrate deprecated Claude Haiku 3.5 to Claude Haiku 4.5
986 - if ($current_model === 'claude-3-5-haiku-20241022') {
987 - $options['model'] = 'claude-haiku-4-5-20251001';
988 - $migrated = true;
989 - $migration_message = 'Your chatbot model has been automatically updated from Claude Haiku 3.5 to Claude Haiku 4.5 due to Anthropic deprecating the older model.';
990 - }
991 -
992 - // Migrate deprecated GPT-4 series and GPT-3.5 Turbo to GPT-5.1 Chat Latest
993 - if (in_array($current_model, array('gpt-4o', 'gpt-4.1-2025-04-14', 'gpt-4-turbo', 'gpt-4', 'gpt-3.5-turbo'), true)) {
994 - $options['model'] = 'gpt-5.1-chat-latest';
995 - $migrated = true;
996 - $migration_message = sprintf(
997 - 'Your chatbot model has been automatically updated from %s to GPT-5.1 Chat Latest due to OpenAI deprecating older models.',
998 - $current_model
999 - );
1000 - }
1001 -
1002 - // Migrate deprecated GPT-4o Mini and GPT-4.1 Mini to GPT-5 Mini
1003 - if (in_array($current_model, array('gpt-4o-mini', 'gpt-4.1-mini'), true)) {
1004 - $options['model'] = 'gpt-5-mini';
1005 - $migrated = true;
1006 - $migration_message = sprintf(
1007 - 'Your chatbot model has been automatically updated from %s to GPT-5 Mini due to OpenAI deprecating GPT-4 series models.',
1008 - $current_model
1009 - );
1010 - }
1011 -
1012 - if ($migrated) {
367 +
368 + // Check if model is set and is the deprecated Claude 3.5 Sonnet
369 + if (isset($options['model']) && $options['model'] === 'claude-3-5-sonnet-20241022') {
370 + // Update to Claude 3.7 Sonnet (the replacement model)
371 + $options['model'] = 'claude-3-7-sonnet-20250219';
1013 372 update_option('mxchat_options', $options);
373 +
374 + // Set a flag to show admin notice
1014 375 update_option('mxchat_model_migrated_notice', true);
1015 - update_option('mxchat_model_migration_message', $migration_message);
376 +
377 + //error_log('MxChat: Migrated deprecated Claude 3.5 Sonnet to Claude 3.7 Sonnet');
1016 378 }
1017 379 }
1018 380
1019 381 /**
@@ -1020,19 +382,17 @@
1020 382 * Show admin notice after model migration
1021 383 */
1022 384 function mxchat_show_migration_notice() {
1023 385 if (get_option('mxchat_model_migrated_notice')) {
1024 - $migration_message = get_option('mxchat_model_migration_message', __('Your chatbot model has been automatically updated due to a model deprecation.', 'mxchat'));
1025 386 ?>
1026 387 <div class="notice notice-info is-dismissible">
1027 388 <p>
1028 389 <strong><?php esc_html_e('MxChat Model Updated', 'mxchat'); ?></strong><br>
1029 - <?php echo esc_html($migration_message); ?>
390 + <?php esc_html_e('Your chatbot model has been automatically updated from Claude 3.5 Sonnet to Claude 3.7 Sonnet due to the deprecation of the previous model by Anthropic. Claude 3.7 Sonnet offers improved performance and capabilities.', 'mxchat'); ?>
1030 391 </p>
1031 392 </div>
1032 393 <?php
1033 394 delete_option('mxchat_model_migrated_notice');
1034 - delete_option('mxchat_model_migration_message');
1035 395 }
1036 396 }
1037 397
1038 398 function mxchat_activate() {
@@ -1052,12 +412,10 @@
1052 412 article_content LONGTEXT NOT NULL,
1053 413 embedding_vector LONGTEXT,
1054 414 source_url TEXT DEFAULT NULL,
1055 415 role_restriction VARCHAR(50) DEFAULT 'public',
1056 - content_type VARCHAR(50) DEFAULT 'content',
1057 416 timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1058 - PRIMARY KEY (id),
1059 - KEY content_type (content_type)
417 + PRIMARY KEY (id)
1060 418 ) $charset_collate;";
1061 419
1062 420 // Intents Table - NOW INCLUDES enabled_bots column from the start
1063 421 $intents_table = $wpdb->prefix . 'mxchat_intents';
@@ -1072,26 +430,13 @@
1072 430 enabled_bots LONGTEXT DEFAULT NULL,
1073 431 PRIMARY KEY (id)
1074 432 ) $charset_collate;";
1075 433
1076 - // Individual Intent Phrases Table - each phrase gets its own embedding vector
1077 - $intent_phrases_table = $wpdb->prefix . 'mxchat_intent_phrases';
1078 - $sql_intent_phrases_table = "CREATE TABLE $intent_phrases_table (
1079 - id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
1080 - intent_id BIGINT(20) UNSIGNED NOT NULL,
1081 - phrase TEXT NOT NULL,
1082 - embedding_vector LONGTEXT NOT NULL,
1083 - created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
1084 - PRIMARY KEY (id),
1085 - KEY intent_id (intent_id)
1086 - ) $charset_collate;";
1087 -
1088 434 require_once ABSPATH . 'wp-admin/includes/upgrade.php';
1089 435
1090 436 // Create other tables
1091 437 dbDelta($sql_system_prompt);
1092 438 dbDelta($sql_intents_table);
1093 - dbDelta($sql_intent_phrases_table);
1094 439
1095 440 // Create URL click tracking table
1096 441 mxchat_create_url_clicks_table();
1097 442
@@ -1100,14 +445,8 @@
1100 445
1101 446 // NEW 2.5.2: Create queue processing tables
1102 447 mxchat_create_queue_tables();
1103 448
1104 - // Create transcript translations table
1105 - mxchat_create_translations_table();
1106 -
1107 - // Create per-session satisfaction ratings table (v3.2.6)
1108 - mxchat_create_session_ratings_table();
1109 -
1110 449 // Ensure additional columns in system prompt table
1111 450 $existing_system_columns = $wpdb->get_results("SHOW COLUMNS FROM $system_prompt_table");
1112 451 if (!empty($existing_system_columns)) {
1113 452 $existing_system_column_names = array_column($existing_system_columns, 'Field');
@@ -1147,20 +486,14 @@
1147 486 ));
1148 487 }
1149 488 }
1150 489
1151 - // Run migration for existing installations
1152 - mxchat_migrate_pinecone_roles_add_bot_id();
1153 -
1154 - // 3.2.4: Backfill active embedding model option (replaces 3.2.3 column-based tracking)
1155 - mxchat_backfill_active_embedding_model();
1156 -
1157 490 // Setup cron jobs
1158 491 mxchat_setup_cron_jobs();
1159 492
1160 493 // Update version
1161 494 update_option('mxchat_plugin_version', MXCHAT_VERSION);
1162 -
495 +
1163 496 //error_log("MxChat: Activation function completed");
1164 497 }
1165 498
1166 499 /**
@@ -1174,42 +507,22 @@
1174 507 if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
1175 508 // Set flag to use fallback system
1176 509 update_option('mxchat_use_fallback_rate_limits', true);
1177 510 update_option('mxchat_next_rate_limit_check', time() + 3600);
1178 - // Deliberately NO early return (plan-bc08a6): transcript cleanup below
1179 - // must still be scheduled. DISABLE_WP_CRON only changes HOW cron events
1180 - // execute (a server-side runner hitting wp-cron.php instead of loopback
1181 - // spawns) — scheduling still just writes the cron option. The old early
1182 - // return here meant a deactivate/reactivate cycle on a DISABLE_WP_CRON
1183 - // site permanently lost the transcript cleanup event while the retention
1184 - // setting still claimed to be active.
511 + return;
512 + }
513 +
514 + // Schedule the rate limit reset cron job
515 + $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
516 +
517 + if ($result === false) {
518 + // Fallback if scheduling fails
519 + update_option('mxchat_use_fallback_rate_limits', true);
520 + update_option('mxchat_next_rate_limit_check', time() + 3600);
1185 521 } else {
1186 - // Schedule the rate limit reset cron job
1187 - $result = wp_schedule_event(time() + 300, 'hourly', 'mxchat_reset_rate_limits');
1188 -
1189 - if ($result === false) {
1190 - // Fallback if scheduling fails
1191 - update_option('mxchat_use_fallback_rate_limits', true);
1192 - update_option('mxchat_next_rate_limit_check', time() + 3600);
1193 - } else {
1194 - // Clear fallback flags if cron scheduling succeeded
1195 - delete_option('mxchat_use_fallback_rate_limits');
1196 - }
522 + // Clear fallback flags if cron scheduling succeeded
523 + delete_option('mxchat_use_fallback_rate_limits');
1197 524 }
1198 -
1199 - // Schedule transcript cleanup if configured (bucket dropdown OR custom retention-days > 0)
1200 - $transcript_options = get_option('mxchat_transcripts_options', array());
1201 - $cleanup_interval = isset($transcript_options['mxchat_auto_delete_transcripts']) ? $transcript_options['mxchat_auto_delete_transcripts'] : 'never';
1202 - $custom_retention = isset($transcript_options['mxchat_retention_days']) ? (int) $transcript_options['mxchat_retention_days'] : 0;
1203 -
1204 - if ($cleanup_interval !== 'never' || $custom_retention > 0) {
1205 - // Check if not already scheduled
1206 - if (!wp_next_scheduled('mxchat_cleanup_old_transcripts')) {
1207 - // Schedule to run daily at 3 AM
1208 - $next_run = strtotime('tomorrow 3:00 AM');
1209 - wp_schedule_event($next_run, 'daily', 'mxchat_cleanup_old_transcripts');
1210 - }
1211 - }
1212 525 }
1213 526
1214 527 /**
1215 528 * Clean up on plugin deactivation
@@ -1216,10 +529,8 @@
1216 529 */
1217 530 function mxchat_deactivate() {
1218 531 // Clear scheduled cron jobs
1219 532 wp_clear_scheduled_hook('mxchat_reset_rate_limits');
1220 - wp_clear_scheduled_hook('mxchat_cleanup_old_transcripts');
1221 - wp_clear_scheduled_hook('mxchat_send_delayed_transcript');
1222 533
1223 534 // Clear fallback options
1224 535 delete_option('mxchat_use_fallback_rate_limits');
1225 536 delete_option('mxchat_next_rate_limit_check');
@@ -1279,14 +590,11 @@
1279 590
1280 591 // Version-specific migrations
1281 592 if ($current_version !== $plugin_version) {
1282 593 //error_log("MxChat: Version change detected: $current_version -> $plugin_version");
1283 -
594 +
1284 595 // Run live agent update BEFORE updating the stored version
1285 596 mxchat_handle_live_agent_update();
1286 -
1287 - // Run theme migration notice for 3.0.1 (AI theme CSS structure changes)
1288 - mxchat_handle_theme_migration_notice();
1289 597
1290 598 // Run role restriction migration for 2.4.1
1291 599 if (version_compare($current_version, '2.4.1', '<')) {
1292 600 mxchat_add_role_restriction_column();
@@ -1307,43 +615,9 @@
1307 615 mxchat_create_queue_tables();
1308 616 mxchat_fix_url_column_size(); // NEW: Fix URL column size for long URLs
1309 617 //error_log("MxChat: Queue tables created and URL columns updated for upgrade to 2.5.2");
1310 618 }
1311 -
1312 - // 2.6.0: Ensure rag_context column exists for retrieved documents feature
1313 - if (version_compare($current_version, '2.6.0', '<')) {
1314 - $chat_table = $wpdb->prefix . 'mxchat_chat_transcripts';
1315 - mxchat_ensure_all_columns($chat_table);
1316 - //error_log("MxChat: rag_context column migration for 2.6.0");
1317 - }
1318 -
1319 - // 3.0.5: Migrate deprecated Gemini embedding model
1320 - if (version_compare($current_version, '3.0.5', '<')) {
1321 - mxchat_migrate_gemini_embedding_model();
1322 - }
1323 -
1324 - // 3.0.6: Migrate deprecated OpenAI and Claude models
1325 - if (version_compare($current_version, '3.0.6', '<')) {
1326 - mxchat_migrate_deprecated_models();
1327 - }
1328 -
1329 - // 3.1.2: Convert chat transcripts table to utf8mb4 for emoji support
1330 - if (version_compare($current_version, '3.1.2', '<')) {
1331 - mxchat_migrate_transcripts_charset();
1332 - }
1333 -
1334 - // 3.1.7: Clean up stale shared session email/name entries
1335 - if (version_compare($current_version, '3.1.7', '<')) {
1336 - delete_option('mxchat_email_null');
1337 - delete_option('mxchat_name_null');
1338 - }
1339 -
1340 - // 3.2.4: Backfill active embedding model option for the warning UI
1341 - // (replaces the per-row column tracking from 3.2.3, which was reverted)
1342 - if (version_compare($current_version, '3.2.4', '<')) {
1343 - mxchat_backfill_active_embedding_model();
1344 - }
1345 -
619 +
1346 620 // Run full activation to ensure everything is up to date
1347 621 mxchat_activate();
1348 622
1349 623 // Run migration functions
@@ -1475,59 +749,31 @@
1475 749 function mxchat_handle_live_agent_update() {
1476 750 // Get the CURRENT stored version (before it gets updated)
1477 751 $current_version = get_option('mxchat_plugin_version', '0.0.0');
1478 752 $new_version = '2.2.2';
1479 -
753 +
1480 754 // Only run this once for the update to 2.2.2
1481 755 $update_handled = get_option('mxchat_live_agent_update_2_2_2_handled', false);
1482 -
756 +
1483 757 // Check if we're upgrading TO 2.2.2 and haven't handled this yet
1484 758 if (version_compare($current_version, $new_version, '<') && !$update_handled) {
1485 759 $options = get_option('mxchat_options', array());
1486 -
760 +
1487 761 // Check if live agent was previously enabled
1488 762 if (isset($options['live_agent_status']) && $options['live_agent_status'] === 'on') {
1489 763 // Disable live agent
1490 764 $options['live_agent_status'] = 'off';
1491 765 update_option('mxchat_options', $options);
1492 -
766 +
1493 767 // Set flag to show the notification banner
1494 768 update_option('mxchat_show_live_agent_disabled_notice', true);
1495 769 }
1496 -
770 +
1497 771 // Mark this update as handled
1498 772 update_option('mxchat_live_agent_update_2_2_2_handled', true);
1499 773 }
1500 774 }
1501 775
1502 -/**
1503 - * Handle theme migration notice for version 3.0.1
1504 - * Shows a dismissible notice to Pro users about migrating AI-generated themes
1505 - */
1506 -function mxchat_handle_theme_migration_notice() {
1507 - // Get the CURRENT stored version (before it gets updated)
1508 - $current_version = get_option('mxchat_plugin_version', '0.0.0');
1509 - $target_version = '3.0.1';
1510 -
1511 - // Only run this once for the update to 3.0.1
1512 - $update_handled = get_option('mxchat_theme_migration_update_3_0_1_handled', false);
1513 -
1514 - // Check if we're upgrading TO 3.0.1 and haven't handled this yet
1515 - if (version_compare($current_version, $target_version, '<') && !$update_handled) {
1516 - // Check if Pro is activated - only show to Pro users
1517 - $license_status = get_option('mxchat_license_status', 'inactive');
1518 - $is_pro = ($license_status === 'active');
1519 -
1520 - if ($is_pro) {
1521 - // Set flag to show the theme migration notification banner
1522 - update_option('mxchat_show_theme_migration_notice', true);
1523 - }
1524 -
1525 - // Mark this update as handled (whether Pro or not)
1526 - update_option('mxchat_theme_migration_update_3_0_1_handled', true);
1527 - }
1528 -}
1529 -
1530 776 // Initialize plugin safely
1531 777 function mxchat_init() {
1532 778 // Include all class files first
1533 779 mxchat_include_classes();
@@ -1559,32 +805,10 @@
1559 805 // Initialize meta box class
1560 806 if (class_exists('MxChat_Meta_Box')) {
1561 807 new MxChat_Meta_Box();
1562 808 }
1563 -
1564 809 }
1565 -
1566 - // Initialize content generator globally — it registers wp_head hook
1567 - // for frontend CSS injection, plus wp_ajax_ hooks for admin.
1568 - if (class_exists('MxChat_Content_Generator')) {
1569 - new MxChat_Content_Generator();
1570 - }
1571 -
1572 - // Initialize cache purge globally — settings writes can happen on any
1573 - // request type (admin screens, admin-ajax autosave, wp-cli), and the
1574 - // deferred-purge cron event fires on front-end requests.
1575 - if (class_exists('MxChat_Cache_Purge')) {
1576 - MxChat_Cache_Purge::init();
1577 - }
1578 -
1579 - // Initialize REST API globally — endpoints must be registered on
1580 - // every request (admin and frontend) so they're reachable via /wp-json/.
1581 - // Endpoints are auth-gated and locked until the site owner generates
1582 - // a token in MxChat → API Access.
1583 - if (class_exists('MxChat_Rest_Api')) {
1584 - new MxChat_Rest_Api();
1585 - }
1586 -
810 +
1587 811 // Initialize public classes
1588 812 if (class_exists('MxChat_Public')) {
1589 813 $mxchat_public = new MxChat_Public();
1590 814 }
@@ -1611,74 +835,8 @@
1611 835
1612 836 // Run initialization on plugins_loaded
1613 837 add_action('plugins_loaded', 'mxchat_init');
1614 838
1615 -// Run migration check on admin init (for auto-updates without reactivation)
1616 -add_action('admin_init', 'mxchat_check_and_run_migrations');
1617 -
1618 -/**
1619 - * Check and run migrations on admin init
1620 - * This ensures migrations run even when plugin is auto-updated
1621 - */
1622 -function mxchat_check_and_run_migrations() {
1623 - // Only run in admin and not on every request
1624 - static $checked = false;
1625 - if ($checked) {
1626 - return;
1627 - }
1628 - $checked = true;
1629 -
1630 - mxchat_migrate_pinecone_roles_add_bot_id();
1631 - mxchat_migrate_add_content_type_column();
1632 - mxchat_migrate_add_translations_table();
1633 - mxchat_migrate_add_session_ratings_table();
1634 -}
1635 -
1636 -/**
1637 - * Migration: Create per-session satisfaction ratings table (v3.2.6)
1638 - * For users upgrading from versions before 3.2.6
1639 - */
1640 -function mxchat_migrate_add_session_ratings_table() {
1641 - $migration_key = 'mxchat_session_ratings_table_created';
1642 - if (get_option($migration_key)) {
1643 - return;
1644 - }
1645 - mxchat_create_session_ratings_table();
1646 - update_option($migration_key, '3.2.6');
1647 -}
1648 -
1649 -/**
1650 - * Migration: Create transcript translations table (v3.0.4)
1651 - * For users upgrading from versions before 3.0.4
1652 - */
1653 -function mxchat_migrate_add_translations_table() {
1654 - $migration_key = 'mxchat_translations_table_created';
1655 -
1656 - // Check if migration already ran
1657 - if (get_option($migration_key)) {
1658 - return;
1659 - }
1660 -
1661 - // Create the translations table
1662 - mxchat_create_translations_table();
1663 -
1664 - // Mark migration as complete
1665 - update_option($migration_key, '3.0.4');
1666 -}
1667 -
1668 -/**
1669 - * Migration: Update deprecated Gemini embedding model (v3.0.5)
1670 - * Updates gemini-embedding-exp-03-07 to gemini-embedding-001 for users who had it selected
1671 - */
1672 -function mxchat_migrate_gemini_embedding_model() {
1673 - $options = get_option('mxchat_options', array());
1674 -
1675 - if (isset($options['embedding_model']) && $options['embedding_model'] === 'gemini-embedding-exp-03-07') {
1676 - $options['embedding_model'] = 'gemini-embedding-001';
1677 - update_option('mxchat_options', $options);
1678 - }
1679 -}
1680 -
1681 839 // Register activation hook
1682 840 register_activation_hook(__FILE__, 'mxchat_activate');
1683 841
1684 842 // Add cron schedule
@@ -1690,67 +848,5 @@
1690 848 return $schedules;
1691 849 });
1692 850
1693 851 // Register deactivation hook
1694 -register_deactivation_hook(__FILE__, 'mxchat_deactivate');
1695 -
1696 -/**
1697 - * Per-session satisfaction rating: AJAX save handler (v3.2.6).
1698 - * Records one 👍/👎 + optional feedback per chat session. The UNIQUE KEY on
1699 - * session_id makes this naturally idempotent — only the first rating per
1700 - * session is stored; duplicate POSTs are silent no-ops.
1701 - */
1702 -function mxchat_save_session_rating() {
1703 - global $wpdb;
1704 -
1705 - $session_id = isset($_POST['session_id']) ? sanitize_text_field(wp_unslash($_POST['session_id'])) : '';
1706 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field(wp_unslash($_POST['bot_id'])) : 'default';
1707 - $rating_raw = isset($_POST['rating']) ? (int) $_POST['rating'] : 0;
1708 - $feedback = isset($_POST['feedback']) ? sanitize_textarea_field(wp_unslash($_POST['feedback'])) : '';
1709 -
1710 - if ($session_id === '' || ($rating_raw !== 1 && $rating_raw !== -1)) {
1711 - wp_send_json_error(array('message' => 'invalid_input'), 400);
1712 - }
1713 -
1714 - if (strlen($feedback) > 1000) {
1715 - $feedback = substr($feedback, 0, 1000);
1716 - }
1717 -
1718 - $table_name = $wpdb->prefix . 'mxchat_session_ratings';
1719 - $existing = $wpdb->get_var($wpdb->prepare(
1720 - "SELECT id FROM $table_name WHERE session_id = %s LIMIT 1",
1721 - $session_id
1722 - ));
1723 -
1724 - if ($existing) {
1725 - if ($feedback !== '') {
1726 - $wpdb->update(
1727 - $table_name,
1728 - array('rating_feedback' => $feedback),
1729 - array('id' => (int) $existing),
1730 - array('%s'),
1731 - array('%d')
1732 - );
1733 - }
1734 - wp_send_json_success(array('updated' => true));
1735 - }
1736 -
1737 - $inserted = $wpdb->insert(
1738 - $table_name,
1739 - array(
1740 - 'session_id' => $session_id,
1741 - 'bot_id' => $bot_id !== '' ? $bot_id : 'default',
1742 - 'rating_value' => $rating_raw,
1743 - 'rating_feedback' => $feedback !== '' ? $feedback : null,
1744 - 'created_at' => current_time('mysql'),
1745 - ),
1746 - array('%s', '%s', '%d', '%s', '%s')
1747 - );
1748 -
1749 - if ($inserted === false) {
1750 - wp_send_json_error(array('message' => 'db_insert_failed'), 500);
1751 - }
1752 -
1753 - wp_send_json_success(array('saved' => true));
1754 -}
1755 -add_action('wp_ajax_mxchat_save_rating', 'mxchat_save_session_rating');
1756 -add_action('wp_ajax_nopriv_mxchat_save_rating', 'mxchat_save_session_rating');
852 +register_deactivation_hook(__FILE__, 'mxchat_deactivate');