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MxChat – AI Chatbot & Content Generation for WordPress / 2.4.6
MxChat – AI Chatbot & Content Generation for WordPress v2.4.6
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← All changes | admin/class-knowledge-manager.php +4525 -8655 3.2.142.4.6 View file →
@@ -1,8656 +1,4526 @@
1 -<?php
2 -/**
3 - * File: admin/class-knowledge-manager.php
4 - *
5 - * Handles all knowledge base content processing for MxChat
6 - * Including PDF, sitemap, content processing, and WordPress post management
7 - */
8 -if (!defined('ABSPATH')) {
9 - exit; // Exit if accessed directly
10 -}
11 -
12 -class MxChat_Knowledge_Manager {
13 -
14 - private $options;
15 -
16 - /**
17 - * Constructor - Register hooks for content processing
18 - */
19 -public function __construct() {
20 - $this->options = get_option('mxchat_options', array());
21 - $this->mxchat_init_hooks();
22 -
23 - $this->mxchat_init_role_hooks();
24 -}
25 -
26 -/**
27 - * Initialize WordPress hooks for content processing
28 - *
29 - */
30 -private function mxchat_init_hooks() {
31 - // Admin post handlers for form submissions
32 - add_action('admin_post_mxchat_submit_content', array($this, 'mxchat_handle_content_submission'));
33 - add_action('admin_post_mxchat_submit_sitemap', array($this, 'mxchat_handle_sitemap_submission'));
34 - add_action('admin_post_mxchat_submit_pdf_file', array($this, 'mxchat_handle_pdf_file_submission'));
35 - add_action('admin_post_mxchat_submit_youtube', array($this, 'mxchat_handle_youtube_submission'));
36 - add_action('admin_post_mxchat_stop_processing', array($this, 'mxchat_stop_processing'));
37 -
38 - // AJAX handlers for real-time processing and status updates
39 - add_action('wp_ajax_mxchat_get_status_updates', array($this, 'mxchat_ajax_get_status_updates'));
40 - add_action('wp_ajax_mxchat_dismiss_completed_status', array($this, 'mxchat_ajax_dismiss_completed_status'));
41 - add_action('wp_ajax_mxchat_get_content_list', array($this, 'ajax_mxchat_get_content_list'));
42 - add_action('wp_ajax_mxchat_process_selected_content', array($this, 'ajax_mxchat_process_selected_content'));
43 - add_action('wp_ajax_mxchat_save_inline_prompt', array($this, 'mxchat_save_inline_prompt'));
44 - add_action('admin_post_mxchat_delete_pinecone_prompt', array($this, 'mxchat_handle_pinecone_prompt_delete'));
45 - add_action('wp_ajax_mxchat_delete_pinecone_prompt', array($this, 'ajax_mxchat_delete_pinecone_prompt'));
46 - add_action('wp_ajax_mxchat_delete_chunks_by_url', array($this, 'ajax_mxchat_delete_chunks_by_url'));
47 - add_action('wp_ajax_mxchat_delete_wordpress_prompt', array($this, 'ajax_mxchat_delete_wordpress_prompt'));
48 - add_action('wp_ajax_mxchat_bulk_delete_knowledge', array($this, 'ajax_mxchat_bulk_delete_knowledge'));
49 - add_action('wp_ajax_mxchat_update_role_restriction', array($this, 'ajax_mxchat_update_role_restriction'));
50 -
51 - // Queue-based processing AJAX handlers
52 - add_action('wp_ajax_mxchat_get_next_queue_item', array($this, 'ajax_mxchat_get_next_queue_item'));
53 - add_action('wp_ajax_mxchat_process_queue_item', array($this, 'ajax_mxchat_process_queue_item'));
54 - add_action('wp_ajax_mxchat_get_queue_status', array($this, 'ajax_mxchat_get_queue_status'));
55 - add_action('wp_ajax_mxchat_clear_queue', array($this, 'ajax_mxchat_clear_queue'));
56 - add_action('wp_ajax_mxchat_retry_failed', array($this, 'ajax_mxchat_retry_failed'));
57 - add_action('wp_ajax_mxchat_get_recent_entries', array($this, 'ajax_mxchat_get_recent_entries'));
58 - add_action('wp_ajax_mxchat_detect_sitemaps', array($this, 'ajax_mxchat_detect_sitemaps'));
59 - add_action('wp_ajax_mxchat_refresh_pinecone_entries', array($this, 'ajax_mxchat_refresh_pinecone_entries'));
60 - add_action('wp_ajax_mxchat_paginate_entries', array($this, 'ajax_mxchat_paginate_entries'));
61 - add_action('wp_ajax_mxchat_get_entry_content', array($this, 'ajax_mxchat_get_entry_content'));
62 - add_action('wp_ajax_mxchat_save_entry_content', array($this, 'ajax_mxchat_save_entry_content'));
63 - add_action('wp_ajax_mxchat_inspect_entry', array($this, 'ajax_mxchat_inspect_entry'));
64 -
65 - // WordPress post management hooks
66 - add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
67 - add_action('post_updated', array($this, 'mxchat_handle_post_update'), 10, 3);
68 - add_action('before_delete_post', array($this, 'mxchat_handle_post_delete'));
69 - add_action('wp_trash_post', array($this, 'mxchat_handle_post_delete'));
70 -
71 - // ACF hook - fires AFTER ACF fields are saved, ensuring ACF data is available
72 - // Priority 20 to run after ACF's own save (which runs at priority 10)
73 - add_action('acf/save_post', array($this, 'mxchat_handle_acf_save'), 20);
74 -
75 - add_action('wp_ajax_mxchat_mark_queue_complete', array($this, 'ajax_mxchat_mark_queue_complete'));
76 -
77 - // WooCommerce product hooks (if WooCommerce is active)
78 - if (class_exists('WooCommerce')) {
79 - add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
80 - add_action('save_post_product', array($this, 'mxchat_handle_product_change'), 10, 3);
81 - add_action('wp_trash_post', array($this, 'mxchat_handle_product_delete'));
82 - add_action('before_delete_post', array($this, 'mxchat_handle_product_delete'));
83 - }
84 -}
85 -
86 - /**
87 - * Get current options (refreshed)
88 - */
89 - private function mxchat_get_options() {
90 - if (empty($this->options)) {
91 - $this->options = get_option('mxchat_options', array());
92 - }
93 - return $this->options;
94 - }
95 -
96 -
97 - // ========================================
98 - // MAIN CONTENT SUBMISSION HANDLERS
99 - // ========================================
100 -
101 -public function mxchat_handle_content_submission() {
102 - // Check if the form was submitted and the user has permission.
103 - if (!isset($_POST['submit_content']) || !current_user_can('manage_options')) {
104 - return;
105 - }
106 -
107 - // Verify the nonce.
108 - $nonce = isset($_POST['mxchat_submit_content_nonce']) ? sanitize_text_field(wp_unslash($_POST['mxchat_submit_content_nonce'])) : '';
109 - if (!wp_verify_nonce($nonce, 'mxchat_submit_content_action')) {
110 - wp_die(esc_html__('Nonce verification failed.', 'mxchat'));
111 - }
112 -
113 - // Sanitize the inputs.
114 - // Use wp_kses_post to allow safe HTML and wp_unslash to remove WordPress added slashes
115 - $article_content = wp_kses_post(wp_unslash($_POST['article_content']));
116 - $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
117 -
118 - // Get bot_id from form submission
119 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
120 -
121 - // Get bot-specific options and API key
122 - $bot_options = $this->get_bot_options($bot_id);
123 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
124 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
125 -
126 - if (strpos($selected_model, 'voyage') === 0) {
127 - $api_key = $options['voyage_api_key'] ?? '';
128 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
129 - $api_key = $options['gemini_api_key'] ?? '';
130 - } else {
131 - $api_key = $options['api_key'] ?? '';
132 - }
133 -
134 - if (empty($api_key)) {
135 - set_transient('mxchat_admin_notice_error',
136 - esc_html__('API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
137 - 30
138 - );
139 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
140 - exit;
141 - }
142 -
143 - // Use centralized utility function with bot_id
144 - $result = MxChat_Utils::submit_content_to_db($article_content, $article_url, $api_key, null, $bot_id);
145 -
146 - if (is_wp_error($result)) {
147 - set_transient('mxchat_admin_notice_error',
148 - esc_html__('Error storing content: ', 'mxchat') . $result->get_error_message(),
149 - 30
150 - );
151 - } else {
152 - set_transient('mxchat_admin_notice_success',
153 - esc_html__('Content successfully submitted!', 'mxchat'),
154 - 30
155 - );
156 - }
157 -
158 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
159 - exit;
160 -}
161 -
162 -/**
163 - * Handle the "YouTube" KB import source (admin-post form submission).
164 - *
165 - * Per-video description mode:
166 - * - auto: fetch oEmbed metadata (reliable) + best-effort captions transcript.
167 - * If no usable transcript, index the metadata anyway, tell the admin,
168 - * and bounce back with the manual box pre-filled (never fail silently).
169 - * - manual: the admin's own description is what gets indexed; metadata rides along.
170 - *
171 - * The row is stored with content_type 'youtube' and source_url = the canonical
172 - * watch URL, so re-importing the same video UPDATES the entry (source_url
173 - * duplicate handling in MxChat_Utils::store_in_wordpress_db) — that is also the
174 - * "augment a metadata-only entry" path.
175 - */
176 -public function mxchat_handle_youtube_submission() {
177 - if (!isset($_POST['submit_youtube']) || !current_user_can('manage_options')) {
178 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
179 - }
180 -
181 - check_admin_referer('mxchat_submit_youtube_action', 'mxchat_submit_youtube_nonce');
182 -
183 - $redirect_url = admin_url('admin.php?page=mxchat-prompts');
184 -
185 - $youtube_url = isset($_POST['youtube_url']) ? esc_url_raw(wp_unslash($_POST['youtube_url'])) : '';
186 - $video_id = MxChat_Utils::parse_youtube_id($youtube_url);
187 -
188 - if (empty($video_id)) {
189 - set_transient('mxchat_admin_notice_error',
190 - esc_html__('That does not look like a link to a single YouTube video. Please paste a watch, youtu.be, or Shorts URL.', 'mxchat'),
191 - 30
192 - );
193 - wp_safe_redirect(esc_url($redirect_url));
194 - exit;
195 - }
196 -
197 - $canonical_url = 'https://www.youtube.com/watch?v=' . $video_id;
198 -
199 - $description_mode = (isset($_POST['youtube_description_mode']) && $_POST['youtube_description_mode'] === 'manual') ? 'manual' : 'auto';
200 - $manual_description = isset($_POST['youtube_description']) ? trim(wp_kses_post(wp_unslash($_POST['youtube_description']))) : '';
201 -
202 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
203 -
204 - // Resolve the embedding API key exactly like the sibling handlers.
205 - $bot_options = $this->get_bot_options($bot_id);
206 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
207 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
208 -
209 - if (strpos($selected_model, 'voyage') === 0) {
210 - $api_key = $options['voyage_api_key'] ?? '';
211 - $provider_name = 'Voyage AI';
212 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
213 - $api_key = $options['gemini_api_key'] ?? '';
214 - $provider_name = 'Google Gemini';
215 - } else {
216 - $api_key = $options['api_key'] ?? '';
217 - $provider_name = 'OpenAI';
218 - }
219 -
220 - if (empty($api_key)) {
221 - set_transient('mxchat_admin_notice_error',
222 - sprintf(
223 - esc_html__('%s API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
224 - $provider_name
225 - ),
226 - 30
227 - );
228 - wp_safe_redirect(esc_url($redirect_url));
229 - exit;
230 - }
231 -
232 - // Metadata is fetched in BOTH modes — it is the reliable half of auto, and in
233 - // manual mode it enriches the indexed text with the real title/channel.
234 - $meta = $this->mxchat_fetch_youtube_oembed($video_id);
235 - $video_title = isset($meta['title']) ? sanitize_text_field($meta['title']) : '';
236 - $video_channel = isset($meta['author_name']) ? sanitize_text_field($meta['author_name']) : '';
237 -
238 - $header_lines = 'YouTube Video: ' . ($video_title !== '' ? $video_title : $canonical_url) . "\n";
239 - if ($video_channel !== '') {
240 - $header_lines .= 'Channel: ' . $video_channel . "\n";
241 - }
242 - $header_lines .= 'URL: ' . $canonical_url . "\n\n";
243 -
244 - $transcript_missing = false;
245 -
246 - if ($description_mode === 'manual') {
247 - if ($manual_description === '') {
248 - set_transient('mxchat_admin_notice_error',
249 - esc_html__('Please write a description for the video, or switch to auto-fetch.', 'mxchat'),
250 - 30
251 - );
252 - wp_safe_redirect(esc_url($redirect_url));
253 - exit;
254 - }
255 - $indexed_text = $header_lines . $manual_description;
256 - } else {
257 - $transcript = $this->mxchat_fetch_youtube_transcript($video_id);
258 -
259 - if (strlen($transcript) >= 200) {
260 - $indexed_text = $header_lines . $transcript;
261 - } else {
262 - // Graceful fallback: captions disabled / blocked / no speech. Auto
263 - // reliably gets metadata; it does NOT guarantee a transcript.
264 - $transcript_missing = true;
265 -
266 - if ($video_title === '' && $video_channel === '') {
267 - // Both halves failed — nothing meaningful to index.
268 - set_transient('mxchat_admin_notice_error',
269 - esc_html__('Could not retrieve any information for that video (no metadata and no captions). Please check the URL, or use the manual description option.', 'mxchat'),
270 - 30
271 - );
272 - wp_safe_redirect(esc_url($redirect_url));
273 - exit;
274 - }
275 -
276 - $indexed_text = $header_lines . sprintf(
277 - /* translators: 1: video title, 2: channel name */
278 - __('A YouTube video titled "%1$s" from the channel %2$s.', 'mxchat'),
279 - $video_title !== '' ? $video_title : $canonical_url,
280 - $video_channel !== '' ? $video_channel : 'YouTube'
281 - );
282 - }
283 - }
284 -
285 - $result = MxChat_Utils::submit_content_to_db($indexed_text, $canonical_url, $api_key, null, $bot_id, 'youtube');
286 -
287 - if (is_wp_error($result)) {
288 - set_transient('mxchat_admin_notice_error',
289 - esc_html__('Error storing video in the knowledge base: ', 'mxchat') . $result->get_error_message(),
290 - 30
291 - );
292 - wp_safe_redirect(esc_url($redirect_url));
293 - exit;
294 - }
295 -
296 - if ($transcript_missing) {
297 - set_transient('mxchat_admin_notice_success',
298 - esc_html__('Video indexed from its title and channel — no captions were available for a transcript. The form below is pre-filled: write your own description and import again to improve matching (it updates the same entry).', 'mxchat'),
299 - 30
300 - );
301 - // Bounce back with prefill args so the page reopens the YouTube form in
302 - // manual mode with the URL + fetched title ready to augment.
303 - $redirect_url = add_query_arg(array(
304 - 'mxchat_yt_prefill' => '1',
305 - 'yt_url' => rawurlencode($canonical_url),
306 - 'yt_title' => rawurlencode($video_title),
307 - ), $redirect_url);
308 - } else {
309 - set_transient('mxchat_admin_notice_success',
310 - esc_html__('YouTube video successfully added to the knowledge base!', 'mxchat'),
311 - 30
312 - );
313 - }
314 -
315 - wp_safe_redirect(esc_url_raw($redirect_url));
316 - exit;
317 -}
318 -
319 -/**
320 - * Fetch YouTube oEmbed metadata for a video (no API key required).
321 - * Returns the decoded array (title, author_name, thumbnail_url, ...) or array().
322 - */
323 -private function mxchat_fetch_youtube_oembed($video_id) {
324 - $oembed_url = 'https://www.youtube.com/oembed?url=' . rawurlencode('https://www.youtube.com/watch?v=' . $video_id) . '&format=json';
325 - $response = wp_remote_get($oembed_url, array('timeout' => 15));
326 - if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
327 - return array();
328 - }
329 - $data = json_decode(wp_remote_retrieve_body($response), true);
330 - return is_array($data) ? $data : array();
331 -}
332 -
333 -/**
334 - * Best-effort captions transcript for a video. Deliberately ISOLATED: this uses
335 - * YouTube's unofficial timedtext route (the caption track list embedded in the
336 - * watch page), which YouTube has broken before and will break again. Every
337 - * failure mode returns '' so a break degrades to the metadata-only import path
338 - * instead of erroring the whole submission. Do not let anything in here throw.
339 - */
340 -private function mxchat_fetch_youtube_transcript($video_id) {
341 - $watch_url = 'https://www.youtube.com/watch?v=' . $video_id . '&hl=en';
342 -
343 - // First try the honest ingest UA; some responses omit the player config for
344 - // bot UAs, so retry once with a browser UA before giving up.
345 - $user_agents = array(
346 - mxchat_ingest_user_agent(),
347 - 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36',
348 - );
349 -
350 - $tracks = array();
351 - foreach ($user_agents as $ua) {
352 - $response = wp_remote_get($watch_url, array(
353 - 'timeout' => 20,
354 - 'user-agent' => $ua,
355 - ));
356 - if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
357 - continue;
358 - }
359 - $body = wp_remote_retrieve_body($response);
360 - if (!is_string($body) || $body === '' || !preg_match('/"captionTracks":(\[.*?\])(?=,")/s', $body, $m)) {
361 - continue;
362 - }
363 - $decoded = json_decode($m[1], true);
364 - if (is_array($decoded) && !empty($decoded)) {
365 - $tracks = $decoded;
366 - break;
367 - }
368 - }
369 -
370 - if (empty($tracks)) {
371 - return '';
372 - }
373 -
374 - // Prefer an English track, else take the first offered.
375 - $chosen = null;
376 - foreach ($tracks as $track) {
377 - if (isset($track['languageCode']) && strpos($track['languageCode'], 'en') === 0) {
378 - $chosen = $track;
379 - break;
380 - }
381 - }
382 - if ($chosen === null) {
383 - $chosen = $tracks[0];
384 - }
385 - if (empty($chosen['baseUrl']) || !is_string($chosen['baseUrl'])) {
386 - return '';
387 - }
388 -
389 - $timedtext = wp_remote_get($chosen['baseUrl'], array('timeout' => 20));
390 - if (is_wp_error($timedtext) || wp_remote_retrieve_response_code($timedtext) !== 200) {
391 - return '';
392 - }
393 - $xml = wp_remote_retrieve_body($timedtext);
394 - if (!is_string($xml) || strpos($xml, '<text') === false) {
395 - return '';
396 - }
397 -
398 - // <text start=".." dur="..">caption</text> — strip tags, decode the
399 - // double-encoded entities timedtext ships, collapse whitespace.
400 - $text = preg_replace('/<[^>]+>/', ' ', $xml);
401 - $text = html_entity_decode(html_entity_decode($text, ENT_QUOTES | ENT_HTML5, 'UTF-8'), ENT_QUOTES | ENT_HTML5, 'UTF-8');
402 - $text = trim(preg_replace('/\s+/u', ' ', $text));
403 -
404 - return $text;
405 -}
406 -
407 -public function mxchat_is_pdf_url($url, $response) {
408 - $content_type = wp_remote_retrieve_header($response, 'content-type');
409 - $file_extension = strtolower(pathinfo($url, PATHINFO_EXTENSION));
410 -
411 - // Check Content-Disposition header for .pdf filename (Google Drive sends this)
412 - $disposition = wp_remote_retrieve_header($response, 'content-disposition');
413 - $has_pdf_disposition = ! empty($disposition) && stripos($disposition, '.pdf') !== false;
414 -
415 - return strpos($content_type, 'pdf') !== false || $file_extension === 'pdf' || $has_pdf_disposition;
416 -}
417 -
418 -
419 -public function mxchat_handle_pdf_for_knowledge_base($pdf_url, $response, $bot_id = 'default') {
420 - if (!current_user_can('manage_options')) {
421 - return false;
422 - }
423 -
424 - $pdf_url = esc_url_raw($pdf_url);
425 - $upload_dir = wp_upload_dir();
426 -
427 - if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
428 - return false;
429 - }
430 -
431 - $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
432 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
433 -
434 - $response_body = wp_remote_retrieve_body($response);
435 - if (empty($response_body)) {
436 - return false;
437 - }
438 -
439 - if (!wp_mkdir_p(dirname($pdf_path))) {
440 - return false;
441 - }
442 -
443 - try {
444 - file_put_contents($pdf_path, $response_body);
445 -
446 - if (!file_exists($pdf_path)) {
447 - throw new Exception(__('Failed to save PDF file', 'mxchat'));
448 - }
449 -
450 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
451 -
452 - if ($total_pages === false || $total_pages < 1) {
453 - throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
454 - }
455 -
456 - // Create unique queue ID
457 - $queue_id = 'pdf_' . md5($pdf_url . time());
458 -
459 - // Create array of pages to process
460 - $pages = array();
461 - for ($i = 1; $i <= $total_pages; $i++) {
462 - $pages[] = array(
463 - 'pdf_path' => $pdf_path,
464 - 'pdf_url' => $pdf_url,
465 - 'page_number' => $i,
466 - 'total_pages' => $total_pages
467 - );
468 - }
469 -
470 - // Add pages to queue
471 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
472 -
473 - if ($queued_count === 0) {
474 - wp_delete_file($pdf_path);
475 - throw new Exception(__('Failed to add PDF pages to processing queue', 'mxchat'));
476 - }
477 -
478 - // Store queue metadata
479 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $pdf_url);
480 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'pdf');
481 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_pages);
482 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
483 - $this->mxchat_set_queue_meta($queue_id, 'pdf_path', $pdf_path);
484 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
485 -
486 - // Store queue ID in transient for status tracking
487 - set_transient('mxchat_active_queue_pdf', $queue_id, DAY_IN_SECONDS);
488 - set_transient('mxchat_last_pdf_url', $pdf_url, DAY_IN_SECONDS);
489 -
490 - return 'queued';
491 -
492 - } catch (Exception $e) {
493 - if (file_exists($pdf_path)) {
494 - wp_delete_file($pdf_path);
495 - }
496 - return $e->getMessage();
497 - }
498 -}
499 -
500 -/**
501 - * Handle direct PDF file upload from the knowledge base page
502 - */
503 -public function mxchat_handle_pdf_file_submission() {
504 - if (!isset($_POST['submit_pdf_file']) || !current_user_can('manage_options')) {
505 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
506 - }
507 -
508 - check_admin_referer('mxchat_submit_pdf_file_action', 'mxchat_submit_pdf_file_nonce');
509 -
510 - $redirect_url = admin_url('admin.php?page=mxchat-prompts');
511 -
512 - // Validate file upload
513 - if (empty($_FILES['pdf_file']) || $_FILES['pdf_file']['error'] !== UPLOAD_ERR_OK) {
514 - $error_code = isset($_FILES['pdf_file']['error']) ? $_FILES['pdf_file']['error'] : UPLOAD_ERR_NO_FILE;
515 - $error_messages = array(
516 - UPLOAD_ERR_INI_SIZE => __('The uploaded file exceeds the server upload_max_filesize limit.', 'mxchat'),
517 - UPLOAD_ERR_FORM_SIZE => __('The uploaded file exceeds the form MAX_FILE_SIZE limit.', 'mxchat'),
518 - UPLOAD_ERR_PARTIAL => __('The file was only partially uploaded.', 'mxchat'),
519 - UPLOAD_ERR_NO_FILE => __('No file was uploaded. Please select a PDF file.', 'mxchat'),
520 - UPLOAD_ERR_NO_TMP_DIR => __('Server missing temporary folder.', 'mxchat'),
521 - UPLOAD_ERR_CANT_WRITE => __('Server failed to write file to disk.', 'mxchat'),
522 - );
523 - $error_msg = isset($error_messages[$error_code]) ? $error_messages[$error_code] : __('Unknown upload error.', 'mxchat');
524 - set_transient('mxchat_admin_notice_error', $error_msg, 30);
525 - wp_safe_redirect(esc_url($redirect_url));
526 - exit;
527 - }
528 -
529 - $file = $_FILES['pdf_file'];
530 -
531 - // Validate MIME type
532 - $finfo = finfo_open(FILEINFO_MIME_TYPE);
533 - $mime_type = finfo_file($finfo, $file['tmp_name']);
534 - finfo_close($finfo);
535 -
536 - if ($mime_type !== 'application/pdf') {
537 - set_transient('mxchat_admin_notice_error',
538 - esc_html__('Invalid file type. Only PDF files are accepted.', 'mxchat'),
539 - 30
540 - );
541 - wp_safe_redirect(esc_url($redirect_url));
542 - exit;
543 - }
544 -
545 - // Validate extension
546 - $ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
547 - if ($ext !== 'pdf') {
548 - set_transient('mxchat_admin_notice_error',
549 - esc_html__('Invalid file extension. Only .pdf files are accepted.', 'mxchat'),
550 - 30
551 - );
552 - wp_safe_redirect(esc_url($redirect_url));
553 - exit;
554 - }
555 -
556 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
557 - $original_filename = sanitize_file_name($file['name']);
558 -
559 - $upload_dir = wp_upload_dir();
560 - if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
561 - set_transient('mxchat_admin_notice_error',
562 - esc_html__('WordPress upload directory is not writable.', 'mxchat'),
563 - 30
564 - );
565 - wp_safe_redirect(esc_url($redirect_url));
566 - exit;
567 - }
568 -
569 - $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
570 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
571 -
572 - if (!wp_mkdir_p(dirname($pdf_path))) {
573 - set_transient('mxchat_admin_notice_error',
574 - esc_html__('Failed to create upload directory.', 'mxchat'),
575 - 30
576 - );
577 - wp_safe_redirect(esc_url($redirect_url));
578 - exit;
579 - }
580 -
581 - // Move uploaded file
582 - if (!move_uploaded_file($file['tmp_name'], $pdf_path)) {
583 - set_transient('mxchat_admin_notice_error',
584 - esc_html__('Failed to save uploaded PDF file.', 'mxchat'),
585 - 30
586 - );
587 - wp_safe_redirect(esc_url($redirect_url));
588 - exit;
589 - }
590 -
591 - try {
592 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
593 -
594 - if ($total_pages === false || $total_pages < 1) {
595 - throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
596 - }
597 -
598 - // Use original filename as the source identifier
599 - $source_label = 'upload://' . $original_filename;
600 -
601 - $queue_id = 'pdf_' . md5($source_label . time());
602 -
603 - $pages = array();
604 - for ($i = 1; $i <= $total_pages; $i++) {
605 - $pages[] = array(
606 - 'pdf_path' => $pdf_path,
607 - 'pdf_url' => $source_label,
608 - 'page_number' => $i,
609 - 'total_pages' => $total_pages,
610 - );
611 - }
612 -
613 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
614 -
615 - if ($queued_count === 0) {
616 - wp_delete_file($pdf_path);
617 - throw new Exception(__('Failed to add PDF pages to processing queue', 'mxchat'));
618 - }
619 -
620 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $source_label);
621 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'pdf');
622 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_pages);
623 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
624 - $this->mxchat_set_queue_meta($queue_id, 'pdf_path', $pdf_path);
625 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
626 -
627 - set_transient('mxchat_active_queue_pdf', $queue_id, DAY_IN_SECONDS);
628 - set_transient('mxchat_last_pdf_url', $source_label, DAY_IN_SECONDS);
629 -
630 - set_transient('mxchat_admin_notice_success',
631 - sprintf(
632 - esc_html__('PDF "%s" (%d pages) queued for processing. Processing will start automatically.', 'mxchat'),
633 - esc_html($original_filename),
634 - $total_pages
635 - ),
636 - 30
637 - );
638 -
639 - } catch (Exception $e) {
640 - if (file_exists($pdf_path)) {
641 - wp_delete_file($pdf_path);
642 - }
643 - set_transient('mxchat_admin_notice_error',
644 - esc_html__('Failed to process uploaded PDF: ', 'mxchat') . esc_html($e->getMessage()),
645 - 30
646 - );
647 - }
648 -
649 - wp_safe_redirect(esc_url($redirect_url));
650 - exit;
651 -}
652 -
653 -/**
654 - * Validate PDF and count pages with multiple parser attempts
655 - */
656 -private function mxchat_validate_and_count_pdf_pages($pdf_path) {
657 - // Method 1: Try with Smalot PDF Parser (your current method)
658 - try {
659 - mxchat_load_pdf_parser();
660 - $parser = new \Smalot\PdfParser\Parser();
661 - $pdf = $parser->parseFile($pdf_path);
662 - $pages = $pdf->getPages();
663 - $page_count = count($pages);
664 -
665 - if ($page_count > 0) {
666 - //error_log('PDF parsed successfully with Smalot parser: ' . $page_count . ' pages');
667 - return $page_count;
668 - }
669 - } catch (Exception $e) {
670 - //error_log('Smalot PDF parser failed: ' . $e->getMessage());
671 - }
672 -
673 - // Method 2: Try with pdfinfo command (if available)
674 - if (function_exists('shell_exec') && !$this->mxchat_is_shell_disabled()) {
675 - try {
676 - $command = 'pdfinfo ' . escapeshellarg($pdf_path) . ' 2>&1';
677 - $output = shell_exec($command);
678 -
679 - if ($output && preg_match('/Pages:\s*(\d+)/', $output, $matches)) {
680 - $page_count = intval($matches[1]);
681 - if ($page_count > 0) {
682 - //error_log('PDF parsed successfully with pdfinfo: ' . $page_count . ' pages');
683 - return $page_count;
684 - }
685 - }
686 - } catch (Exception $e) {
687 - //error_log('pdfinfo command failed: ' . $e->getMessage());
688 - }
689 - }
690 -
691 - // Method 3: Try to repair PDF and parse again
692 - try {
693 - $repaired_path = $this->mxchat_attempt_pdf_repair($pdf_path);
694 - if ($repaired_path && $repaired_path !== $pdf_path) {
695 - mxchat_load_pdf_parser();
696 - $parser = new \Smalot\PdfParser\Parser();
697 - $pdf = $parser->parseFile($repaired_path);
698 - $pages = $pdf->getPages();
699 - $page_count = count($pages);
700 -
701 - if ($page_count > 0) {
702 - // Replace original with repaired version
703 - copy($repaired_path, $pdf_path);
704 - unlink($repaired_path);
705 - //error_log('PDF repaired and parsed successfully: ' . $page_count . ' pages');
706 - return $page_count;
707 - }
708 -
709 - // Clean up repaired file if it didn't work
710 - unlink($repaired_path);
711 - }
712 - } catch (Exception $e) {
713 - //error_log('PDF repair attempt failed: ' . $e->getMessage());
714 - }
715 -
716 - // Method 4: Manual PDF structure analysis (basic page count)
717 - try {
718 - $page_count = $this->mxchat_manual_pdf_page_count($pdf_path);
719 - if ($page_count > 0) {
720 - //error_log('PDF page count determined manually: ' . $page_count . ' pages');
721 - return $page_count;
722 - }
723 - } catch (Exception $e) {
724 - //error_log('Manual PDF analysis failed: ' . $e->getMessage());
725 - }
726 -
727 - //error_log('All PDF parsing methods failed for: ' . $pdf_path);
728 - return false;
729 -}
730 -
731 -/**
732 - * Check if shell_exec is disabled
733 - */
734 -private function mxchat_is_shell_disabled() {
735 - $disabled = explode(',', ini_get('disable_functions'));
736 - return in_array('shell_exec', $disabled);
737 -}
738 -
739 -/**
740 - * Attempt to repair PDF using basic methods
741 - */
742 -private function mxchat_attempt_pdf_repair($pdf_path) {
743 - try {
744 - $content = file_get_contents($pdf_path);
745 - if (!$content) {
746 - return false;
747 - }
748 -
749 - // Check if PDF starts with proper header
750 - if (substr($content, 0, 4) !== '%PDF') {
751 - // Try to find PDF header in the content
752 - $header_pos = strpos($content, '%PDF');
753 - if ($header_pos !== false && $header_pos < 1024) {
754 - // Remove junk before PDF header
755 - $content = substr($content, $header_pos);
756 - $repaired_path = $pdf_path . '.repaired';
757 - file_put_contents($repaired_path, $content);
758 - return $repaired_path;
759 - }
760 - }
761 -
762 - // Check for EOF marker
763 - $content = rtrim($content);
764 - if (!preg_match('/%%EOF\s*$/', $content)) {
765 - // Add EOF marker if missing
766 - $content .= "\n%%EOF";
767 - $repaired_path = $pdf_path . '.repaired';
768 - file_put_contents($repaired_path, $content);
769 - return $repaired_path;
770 - }
771 -
772 - } catch (Exception $e) {
773 - //error_log('PDF repair error: ' . $e->getMessage());
774 - }
775 -
776 - return false;
777 -}
778 -
779 -/**
780 - * Manual PDF page counting by analyzing PDF structure
781 - */
782 -private function mxchat_manual_pdf_page_count($pdf_path) {
783 - try {
784 - $content = file_get_contents($pdf_path);
785 - if (!$content) {
786 - return 0;
787 - }
788 -
789 - // Method 1: Count /Type /Page objects
790 - $page_count = preg_match_all('/\/Type\s*\/Page[^s]/', $content);
791 - if ($page_count > 0) {
792 - return $page_count;
793 - }
794 -
795 - // Method 2: Look for /Count in pages object
796 - if (preg_match('/\/Type\s*\/Pages.*?\/Count\s+(\d+)/', $content, $matches)) {
797 - return intval($matches[1]);
798 - }
799 -
800 - // Method 3: Count page references
801 - $page_count = preg_match_all('/\d+\s+0\s+obj\s*<<[^>]*\/Type\s*\/Page/', $content);
802 - if ($page_count > 0) {
803 - return $page_count;
804 - }
805 -
806 - } catch (Exception $e) {
807 - //error_log('Manual PDF analysis error: ' . $e->getMessage());
808 - }
809 -
810 - return 0;
811 -}
812 -
813 -
814 -public function mxchat_save_inline_prompt() {
815 - // DEBUG: Log what we're receiving
816 - //error_log('=== MXCHAT DEBUG ===');
817 - //error_log('POST data: ' . print_r($_POST, true));
818 - //error_log('Nonce from POST: ' . ($_POST['_ajax_nonce'] ?? 'NOT FOUND'));
819 -
820 - // Check for nonce security
821 - check_ajax_referer('mxchat_save_inline_nonce', '_ajax_nonce');
822 -
823 - // If we get here, nonce passed
824 - //error_log('Nonce verification PASSED');
825 -
826 - // Verify permissions
827 - if (!current_user_can('manage_options')) {
828 - wp_send_json_error(esc_html__('Permission denied.', 'mxchat'));
829 - return;
830 - }
831 -
832 - global $wpdb;
833 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
834 -
835 - // Validate and sanitize input data
836 - $prompt_id = isset($_POST['id']) ? absint($_POST['id']) : 0;
837 - $article_content = isset($_POST['article_content']) ? wp_kses_post(wp_unslash($_POST['article_content'])) : '';
838 - $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
839 -
840 - if ($prompt_id > 0 && !empty($article_content)) {
841 - // Re-generate the embedding vector for the updated content
842 - $embedding_vector = $this->mxchat_generate_embedding($article_content);
843 - if (is_array($embedding_vector)) {
844 - // Serialize the embedding vector before storing it
845 - $embedding_vector_serialized = serialize($embedding_vector);
846 - // Update the prompt in the database
847 - $updated = $wpdb->update(
848 - $table_name,
849 - array(
850 - 'article_content' => $article_content,
851 - 'embedding_vector' => $embedding_vector_serialized,
852 - 'source_url' => $article_url,
853 - ),
854 - array('id' => $prompt_id),
855 - array('%s', '%s', '%s'),
856 - array('%d')
857 - );
858 - if ($updated !== false) {
859 - wp_send_json_success();
860 - } else {
861 - MxChat_Admin::mxchat_log_debug('knowledge_error', 'Database update failed when saving knowledge entry');
862 - wp_send_json_error(esc_html__('Database update failed.', 'mxchat'));
863 - }
864 - } else {
865 - MxChat_Admin::mxchat_log_debug('embedding_error', 'Embedding generation failed for knowledge entry');
866 - wp_send_json_error(esc_html__('Embedding generation failed.', 'mxchat'));
867 - }
868 - } else {
869 - wp_send_json_error(esc_html__('Invalid data.', 'mxchat'));
870 - }
871 -}
872 -
873 -
874 -/**
875 - * AJAX: Get full content for editing — reassembles chunks if needed.
876 - * Works for both WordPress DB and Pinecone entries.
877 - */
878 -public function ajax_mxchat_get_entry_content() {
879 - check_ajax_referer('mxchat_edit_entry_nonce', 'nonce');
880 -
881 - if ( ! current_user_can('manage_options') ) {
882 - wp_send_json_error( array( 'message' => 'Permission denied.' ) );
883 - }
884 -
885 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
886 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
887 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
888 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
889 -
890 - if ( $data_source === 'pinecone' ) {
891 - // Pinecone: fetch vectors by source_url, reassemble chunks
892 - $content = $this->get_pinecone_entry_content( $source_url, $entry_id, $bot_id );
893 - } else {
894 - // WordPress DB
895 - $content = $this->get_wordpress_entry_content( $source_url, $entry_id );
896 - }
897 -
898 - if ( is_wp_error( $content ) ) {
899 - wp_send_json_error( array( 'message' => $content->get_error_message() ) );
900 - }
901 -
902 - wp_send_json_success( $content );
903 -}
904 -
905 -/**
906 - * Get content from WordPress DB — reassembles chunks by source_url.
907 - */
908 -private function get_wordpress_entry_content( $source_url, $entry_id ) {
909 - global $wpdb;
910 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
911 -
912 - // If we have a source_url, check for chunks
913 - if ( ! empty( $source_url ) && strpos( $source_url, 'mxchat://' ) !== 0 ) {
914 - $rows = $wpdb->get_results( $wpdb->prepare(
915 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE source_url = %s ORDER BY id ASC",
916 - $source_url
917 - ) );
918 -
919 - if ( $rows && count( $rows ) > 1 ) {
920 - // Multiple rows = chunked. Reassemble.
921 - $chunks = array();
922 - foreach ( $rows as $row ) {
923 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
924 - $index = isset( $parsed['metadata']['chunk_index'] ) ? intval( $parsed['metadata']['chunk_index'] ) : count( $chunks );
925 - $chunks[ $index ] = $parsed['text'];
926 - }
927 - ksort( $chunks );
928 - return array(
929 - 'content' => implode( "\n\n", $chunks ),
930 - 'source_url' => $source_url,
931 - 'is_chunked' => true,
932 - 'chunk_count' => count( $chunks ),
933 - 'content_type' => $rows[0]->content_type,
934 - );
935 - } elseif ( $rows && count( $rows ) === 1 ) {
936 - $parsed = MxChat_Chunker::parse_stored_chunk( $rows[0]->article_content );
937 - return array(
938 - 'content' => $parsed['text'],
939 - 'source_url' => $source_url,
940 - 'entry_id' => $rows[0]->id,
941 - 'is_chunked' => false,
942 - 'content_type' => $rows[0]->content_type,
943 - );
944 - }
945 - }
946 -
947 - // Fallback: fetch by ID
948 - if ( $entry_id > 0 ) {
949 - $row = $wpdb->get_row( $wpdb->prepare(
950 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE id = %d",
951 - $entry_id
952 - ) );
953 - if ( $row ) {
954 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
955 - return array(
956 - 'content' => $parsed['text'],
957 - 'source_url' => $row->source_url,
958 - 'entry_id' => $row->id,
959 - 'is_chunked' => false,
960 - 'content_type' => $row->content_type,
961 - );
962 - }
963 - }
964 -
965 - return new WP_Error( 'not_found', 'Entry not found.' );
966 -}
967 -
968 -/**
969 - * Get content from Pinecone — fetches vectors by source_url, reassembles chunks.
970 - */
971 -private function get_pinecone_entry_content( $source_url, $entry_id, $bot_id ) {
972 - if ( ! class_exists('MxChat_Pinecone_Manager') ) {
973 - return new WP_Error( 'pinecone_unavailable', 'Pinecone manager not available.' );
974 - }
975 -
976 - // Get Pinecone config
977 - if ( $bot_id === 'default' || ! class_exists('MxChat_Multi_Bot_Manager') ) {
978 - $pinecone_options = get_option('mxchat_pinecone_addon_options');
979 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
980 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
981 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
982 - } else {
983 - $bot_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
984 - $api_key = $bot_config['api_key'] ?? '';
985 - $host = $bot_config['host'] ?? '';
986 - $namespace = $bot_config['namespace'] ?? '';
987 - }
988 -
989 - if ( empty($host) || empty($api_key) ) {
990 - return new WP_Error( 'pinecone_config', 'Pinecone not configured.' );
991 - }
992 -
993 - // List vectors with the source_url prefix
994 - $base_id = md5( $source_url );
995 - $vector_ids = array( $base_id );
996 -
997 - // Find chunk vectors
998 - $list_url = "https://{$host}/vectors/list";
999 - $list_body = array( 'prefix' => $base_id . '_chunk_', 'limit' => 100 );
1000 - if ( ! empty($namespace) ) {
1001 - $list_body['namespace'] = $namespace;
1002 - }
1003 -
1004 - $list_resp = wp_remote_post( $list_url, array(
1005 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
1006 - 'body' => wp_json_encode( $list_body ),
1007 - 'timeout' => 15,
1008 - ) );
1009 -
1010 - if ( ! is_wp_error($list_resp) ) {
1011 - $list_data = json_decode( wp_remote_retrieve_body($list_resp), true );
1012 - if ( ! empty($list_data['vectors']) ) {
1013 - foreach ( $list_data['vectors'] as $v ) {
1014 - $vector_ids[] = $v['id'];
1015 - }
1016 - }
1017 - }
1018 -
1019 - // Fetch vectors with metadata
1020 - $fetch_url = "https://{$host}/vectors/fetch";
1021 - $fetch_body = array( 'ids' => $vector_ids );
1022 - if ( ! empty($namespace) ) {
1023 - $fetch_body['namespace'] = $namespace;
1024 - }
1025 -
1026 - $fetch_resp = wp_remote_post( $fetch_url, array(
1027 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
1028 - 'body' => wp_json_encode( $fetch_body ),
1029 - 'timeout' => 15,
1030 - ) );
1031 -
1032 - if ( is_wp_error($fetch_resp) ) {
1033 - return new WP_Error( 'pinecone_fetch', 'Failed to fetch from Pinecone.' );
1034 - }
1035 -
1036 - $fetch_data = json_decode( wp_remote_retrieve_body($fetch_resp), true );
1037 - $vectors = $fetch_data['vectors'] ?? array();
1038 -
1039 - if ( empty($vectors) ) {
1040 - return new WP_Error( 'not_found', 'Entry not found in Pinecone.' );
1041 - }
1042 -
1043 - // Reassemble chunks
1044 - $chunks = array();
1045 - $content_type = 'content';
1046 - foreach ( $vectors as $vid => $vector ) {
1047 - $meta = $vector['metadata'] ?? array();
1048 - $text = $meta['text'] ?? '';
1049 - $index = $meta['chunk_index'] ?? 0;
1050 - $content_type = $meta['type'] ?? 'content';
1051 - $chunks[ intval($index) ] = $text;
1052 - }
1053 - ksort( $chunks );
1054 -
1055 - return array(
1056 - 'content' => implode( "\n\n", $chunks ),
1057 - 'source_url' => $source_url,
1058 - 'is_chunked' => count($chunks) > 1,
1059 - 'chunk_count' => count($chunks),
1060 - 'content_type' => $content_type,
1061 - );
1062 -}
1063 -
1064 -/**
1065 - * AJAX: Inspect a knowledge entry — returns the per-chunk stored text + metadata
1066 - * WITHOUT collapsing it, so a site owner can see exactly what was indexed for an
1067 - * entry (plan-mxchat-20260628-d8cb4b). READ-ONLY: never re-embeds or mutates.
1068 - */
1069 -public function ajax_mxchat_inspect_entry() {
1070 - check_ajax_referer('mxchat_inspect_entry_nonce', 'nonce');
1071 -
1072 - if ( ! current_user_can('manage_options') ) {
1073 - wp_send_json_error( array( 'message' => esc_html__('Permission denied.', 'mxchat') ) );
1074 - }
1075 -
1076 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
1077 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
1078 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
1079 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
1080 -
1081 - if ( $data_source === 'pinecone' ) {
1082 - $result = $this->inspect_pinecone_entry( $source_url, $entry_id, $bot_id );
1083 - } else {
1084 - $result = $this->inspect_wordpress_entry( $source_url, $entry_id );
1085 - }
1086 -
1087 - if ( is_wp_error( $result ) ) {
1088 - wp_send_json_error( array( 'message' => $result->get_error_message() ) );
1089 - }
1090 -
1091 - wp_send_json_success( $result );
1092 -}
1093 -
1094 -/**
1095 - * Read-only inspector for WordPress-DB entries. Mirrors get_wordpress_entry_content()
1096 - * but returns each STORED chunk's exact text + length (no implode), plus the assembled
1097 - * embedded text. This shows what is actually in the index, not a re-derivation from the post.
1098 - */
1099 -private function inspect_wordpress_entry( $source_url, $entry_id ) {
1100 - global $wpdb;
1101 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
1102 -
1103 - $rows = array();
1104 -
1105 - // Group by the real stored source_url — this INCLUDES "mxchat://" manual
1106 - // Direct Content entries (the spec's manual-entry case), which share one
1107 - // source_url across their chunk rows. Only the synthetic "_ungrouped_<id>"
1108 - // display key (invented by the table view for rows with no source_url) is
1109 - // excluded; those fall through to the entry_id lookup below.
1110 - if ( ! empty( $source_url ) && strpos( $source_url, '_ungrouped_' ) !== 0 ) {
1111 - $rows = $wpdb->get_results( $wpdb->prepare(
1112 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE source_url = %s ORDER BY id ASC",
1113 - $source_url
1114 - ) );
1115 - }
1116 -
1117 - // Fallback / manual "Direct Content" entries: fetch the single row by id.
1118 - if ( empty( $rows ) && $entry_id > 0 ) {
1119 - $row = $wpdb->get_row( $wpdb->prepare(
1120 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE id = %d",
1121 - $entry_id
1122 - ) );
1123 - if ( $row ) {
1124 - $rows = array( $row );
1125 - }
1126 - }
1127 -
1128 - if ( empty( $rows ) ) {
1129 - return new WP_Error( 'not_found', esc_html__('Entry not found in the local knowledge database.', 'mxchat') );
1130 - }
1131 -
1132 - $chunks = array();
1133 - $content_type = '';
1134 - foreach ( $rows as $row ) {
1135 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
1136 - $text = isset( $parsed['text'] ) ? $parsed['text'] : '';
1137 - $index = isset( $parsed['metadata']['chunk_index'] ) ? intval( $parsed['metadata']['chunk_index'] ) : count( $chunks );
1138 - $content_type = $row->content_type;
1139 - $chunks[] = array(
1140 - 'index' => $index,
1141 - 'text' => $text,
1142 - 'length' => function_exists('mb_strlen') ? mb_strlen( $text ) : strlen( $text ),
1143 - 'row_id' => intval( $row->id ),
1144 - );
1145 - }
1146 -
1147 - usort( $chunks, function( $a, $b ) { return $a['index'] - $b['index']; } );
1148 -
1149 - $assembled = implode( "\n\n", wp_list_pluck( $chunks, 'text' ) );
1150 -
1151 - return array(
1152 - 'store' => 'wordpress',
1153 - 'source_url' => $source_url,
1154 - 'content_type' => $content_type,
1155 - 'is_chunked' => count( $chunks ) > 1,
1156 - 'chunk_count' => count( $chunks ),
1157 - 'assembled' => $assembled,
1158 - 'assembled_length' => function_exists('mb_strlen') ? mb_strlen( $assembled ) : strlen( $assembled ),
1159 - 'chunks' => array_values( $chunks ),
1160 - // WP-DB storage carries no separate vector metadata; surface that fact
1161 - // rather than letting the owner guess (the spec's taxonomy question).
1162 - 'metadata' => array(),
1163 - 'metadata_note' => esc_html__('Stored in the local WordPress database. Only the assembled text shown here is embedded — there are no separate vector metadata fields (e.g. taxonomy terms are not stored unless they were injected into the text itself).', 'mxchat'),
1164 - );
1165 -}
1166 -
1167 -/**
1168 - * Read-only inspector for Pinecone entries. Mirrors get_pinecone_entry_content()
1169 - * but keeps each vector's text + metadata instead of imploding, so the owner can
1170 - * confirm exactly which metadata fields (text/source_url/type/last_updated/created_at/bot_id)
1171 - * are present per chunk. READ-ONLY.
1172 - */
1173 -private function inspect_pinecone_entry( $source_url, $entry_id, $bot_id ) {
1174 - if ( ! class_exists('MxChat_Pinecone_Manager') ) {
1175 - return new WP_Error( 'pinecone_unavailable', esc_html__('Pinecone manager not available.', 'mxchat') );
1176 - }
1177 -
1178 - if ( $bot_id === 'default' || ! class_exists('MxChat_Multi_Bot_Manager') ) {
1179 - $pinecone_options = get_option('mxchat_pinecone_addon_options');
1180 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
1181 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
1182 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
1183 - } else {
1184 - $bot_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
1185 - $api_key = $bot_config['api_key'] ?? '';
1186 - $host = $bot_config['host'] ?? '';
1187 - $namespace = $bot_config['namespace'] ?? '';
1188 - }
1189 -
1190 - if ( empty($host) || empty($api_key) ) {
1191 - return new WP_Error( 'pinecone_config', esc_html__('Pinecone not configured.', 'mxchat') );
1192 - }
1193 -
1194 - $base_id = md5( $source_url );
1195 - $vector_ids = array( $base_id );
1196 -
1197 - $list_url = "https://{$host}/vectors/list";
1198 - $list_body = array( 'prefix' => $base_id . '_chunk_', 'limit' => 100 );
1199 - if ( ! empty($namespace) ) {
1200 - $list_body['namespace'] = $namespace;
1201 - }
1202 -
1203 - $list_resp = wp_remote_post( $list_url, array(
1204 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
1205 - 'body' => wp_json_encode( $list_body ),
1206 - 'timeout' => 15,
1207 - ) );
1208 -
1209 - if ( ! is_wp_error($list_resp) ) {
1210 - $list_data = json_decode( wp_remote_retrieve_body($list_resp), true );
1211 - if ( ! empty($list_data['vectors']) ) {
1212 - foreach ( $list_data['vectors'] as $v ) {
1213 - $vector_ids[] = $v['id'];
1214 - }
1215 - }
1216 - }
1217 -
1218 - $fetch_url = "https://{$host}/vectors/fetch";
1219 - $fetch_body = array( 'ids' => $vector_ids );
1220 - if ( ! empty($namespace) ) {
1221 - $fetch_body['namespace'] = $namespace;
1222 - }
1223 -
1224 - $fetch_resp = wp_remote_post( $fetch_url, array(
1225 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
1226 - 'body' => wp_json_encode( $fetch_body ),
1227 - 'timeout' => 15,
1228 - ) );
1229 -
1230 - if ( is_wp_error($fetch_resp) ) {
1231 - return new WP_Error( 'pinecone_fetch', esc_html__('Failed to fetch from Pinecone.', 'mxchat') );
1232 - }
1233 -
1234 - $fetch_data = json_decode( wp_remote_retrieve_body($fetch_resp), true );
1235 - $vectors = $fetch_data['vectors'] ?? array();
1236 -
1237 - if ( empty($vectors) ) {
1238 - return new WP_Error( 'not_found', esc_html__('Entry not found in Pinecone.', 'mxchat') );
1239 - }
1240 -
1241 - // Whitelisted metadata fields the spec calls out — shown so devs can confirm
1242 - // what is (and is NOT) stored per vector.
1243 - $meta_fields = array( 'text', 'source_url', 'type', 'last_updated', 'created_at', 'bot_id', 'chunk_index', 'total_chunks' );
1244 - $chunks = array();
1245 - $content_type = '';
1246 - foreach ( $vectors as $vid => $vector ) {
1247 - $meta = isset($vector['metadata']) && is_array($vector['metadata']) ? $vector['metadata'] : array();
1248 - $text = $meta['text'] ?? '';
1249 - $index = isset($meta['chunk_index']) ? intval($meta['chunk_index']) : count($chunks);
1250 - $content_type = $meta['type'] ?? $content_type;
1251 -
1252 - $clean_meta = array();
1253 - foreach ( $meta_fields as $field ) {
1254 - if ( array_key_exists( $field, $meta ) && $field !== 'text' ) {
1255 - $clean_meta[ $field ] = is_scalar( $meta[ $field ] ) ? (string) $meta[ $field ] : wp_json_encode( $meta[ $field ] );
1256 - }
1257 - }
1258 -
1259 - $chunks[] = array(
1260 - 'index' => $index,
1261 - 'text' => $text,
1262 - 'length' => function_exists('mb_strlen') ? mb_strlen( $text ) : strlen( $text ),
1263 - 'vector_id' => (string) $vid,
1264 - 'metadata' => $clean_meta,
1265 - );
1266 - }
1267 -
1268 - usort( $chunks, function( $a, $b ) { return $a['index'] - $b['index']; } );
1269 -
1270 - $assembled = implode( "\n\n", wp_list_pluck( $chunks, 'text' ) );
1271 -
1272 - return array(
1273 - 'store' => 'pinecone',
1274 - 'source_url' => $source_url,
1275 - 'content_type' => $content_type,
1276 - 'is_chunked' => count( $chunks ) > 1,
1277 - 'chunk_count' => count( $chunks ),
1278 - 'assembled' => $assembled,
1279 - 'assembled_length' => function_exists('mb_strlen') ? mb_strlen( $assembled ) : strlen( $assembled ),
1280 - 'chunks' => array_values( $chunks ),
1281 - 'metadata' => array(),
1282 - 'metadata_note' => esc_html__('Stored in Pinecone. Each chunk above lists the vector metadata fields actually present — if a field you expect (such as taxonomy terms) is missing here, it was not stored as metadata and is only searchable if it appears in the embedded text.', 'mxchat'),
1283 - );
1284 -}
1285 -
1286 -/**
1287 - * AJAX: Save edited content — re-chunks and re-embeds as needed.
1288 - * Works for both WordPress DB and Pinecone entries.
1289 - */
1290 -public function ajax_mxchat_save_entry_content() {
1291 - check_ajax_referer('mxchat_edit_entry_nonce', 'nonce');
1292 -
1293 - if ( ! current_user_can('manage_options') ) {
1294 - wp_send_json_error( array( 'message' => 'Permission denied.' ) );
1295 - }
1296 -
1297 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
1298 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
1299 - $content = isset($_POST['content']) ? wp_kses_post( wp_unslash($_POST['content']) ) : '';
1300 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
1301 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
1302 - $content_type = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : 'content';
1303 -
1304 - if ( empty($content) ) {
1305 - wp_send_json_error( array( 'message' => 'Content cannot be empty.' ) );
1306 - }
1307 -
1308 - // Get the embedding API key
1309 - $options = get_option('mxchat_options', array());
1310 - $api_key = '';
1311 -
1312 - if ( $bot_id !== 'default' && class_exists('MxChat_Multi_Bot_Manager') ) {
1313 - $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
1314 - $api_key = $bot_options['api_key'] ?? '';
1315 - }
1316 - if ( empty($api_key) ) {
1317 - $api_key = $options['api_key'] ?? '';
1318 - }
1319 -
1320 - global $wpdb;
1321 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
1322 -
1323 - // If source_url is empty but we have an entry_id, look it up
1324 - if ( empty($source_url) && $entry_id > 0 && $data_source === 'wordpress' ) {
1325 - $row = $wpdb->get_row( $wpdb->prepare( "SELECT source_url FROM {$table} WHERE id = %d", $entry_id ) );
1326 - if ( $row && ! empty($row->source_url) ) {
1327 - $source_url = $row->source_url;
1328 - }
1329 - }
1330 -
1331 - // For manual entries (no source_url or mxchat:// prefix), delete the old entry by ID first
1332 - // so submit_content_to_db creates a replacement instead of a duplicate
1333 - // Also treat legacy mxchat.ai source URLs as manual — old bug assigned the site URL to manual entries
1334 - $is_legacy_manual = !empty($source_url) && strpos($source_url, 'mxchat.ai') !== false && strpos($source_url, 'mxchat://') !== 0;
1335 - if ( $entry_id > 0 && (empty($source_url) || strpos($source_url, 'mxchat://') === 0 || $is_legacy_manual) ) {
1336 - $wpdb->delete( $table, array( 'id' => $entry_id ), array( '%d' ) );
1337 - // Clear legacy URL so submit_content_to_db generates a unique mxchat:// identifier
1338 - // instead of reusing the shared URL (which would mass-delete other entries with the same URL)
1339 - if ( $is_legacy_manual ) {
1340 - $source_url = '';
1341 - }
1342 - }
1343 -
1344 - // Use the existing submit_content_to_db which handles chunking, Pinecone, and WP DB
1345 - $vector_id = ! empty($source_url) ? md5($source_url) : md5('mxchat_manual_' . $entry_id);
1346 -
1347 - // submit_content_to_db already handles: delete old chunks → re-chunk → re-embed → store
1348 - $result = MxChat_Utils::submit_content_to_db( $content, $source_url, $api_key, $vector_id, $bot_id, $content_type );
1349 -
1350 - if ( is_wp_error($result) ) {
1351 - wp_send_json_error( array( 'message' => $result->get_error_message() ) );
1352 - }
1353 -
1354 - wp_send_json_success( array( 'message' => 'Content saved and re-embedded successfully.' ) );
1355 -}
1356 -
1357 -public function mxchat_get_pdf_processing_status($pdf_url) {
1358 - $pdf_url = esc_url_raw($pdf_url);
1359 - $status = get_transient(sanitize_key('mxchat_pdf_status_' . md5($pdf_url)));
1360 -
1361 - if (!$status || !is_array($status)) {
1362 - return false;
1363 - }
1364 -
1365 - // Check for stalled processing (no updates for 5 minutes)
1366 - if ($status['status'] === 'processing' && (time() - absint($status['last_update'])) > 300) {
1367 - $status['status'] = 'error';
1368 - $status['error'] = __('PDF processing appears to be stalled. No updates for over 5 minutes.', 'mxchat');
1369 -
1370 - // Save the updated status
1371 - set_transient(
1372 - sanitize_key('mxchat_pdf_status_' . md5($pdf_url)),
1373 - array_map('sanitize_text_field', $status),
1374 - DAY_IN_SECONDS
1375 - );
1376 - }
1377 -
1378 - $result = array(
1379 - 'total_pages' => absint($status['total_pages']),
1380 - 'processed_pages' => absint($status['processed_pages']),
1381 - 'failed_pages' => absint($status['failed_pages'] ?? 0),
1382 - 'percentage' => ($status['total_pages'] > 0)
1383 - ? round((absint($status['processed_pages']) / absint($status['total_pages'])) * 100)
1384 - : 0,
1385 - 'status' => sanitize_text_field($status['status']),
1386 - 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
1387 - 'failed_pages_list' => isset($status['failed_pages_list']) ? $status['failed_pages_list'] : array(),
1388 - 'completion_summary' => isset($status['completion_summary']) ? $status['completion_summary'] : null
1389 - );
1390 -
1391 - // Add error message if present
1392 - if (isset($status['error']) && !empty($status['error'])) {
1393 - $result['error'] = sanitize_text_field($status['error']);
1394 - }
1395 -
1396 - return $result;
1397 -}
1398 -
1399 -
1400 -public function mxchat_handle_sitemap_submission() {
1401 - // Check if the form was submitted and verify permissions
1402 - if (!isset($_POST['submit_sitemap']) || !current_user_can('manage_options')) {
1403 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
1404 - }
1405 -
1406 - // Verify nonce
1407 - check_admin_referer('mxchat_submit_sitemap_action', 'mxchat_submit_sitemap_nonce');
1408 -
1409 - // Validate URL
1410 - if (!isset($_POST['sitemap_url']) || empty($_POST['sitemap_url'])) {
1411 - set_transient('mxchat_admin_notice_error',
1412 - esc_html__('Please provide a valid URL.', 'mxchat'),
1413 - 30
1414 - );
1415 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1416 - exit;
1417 - }
1418 -
1419 - $submitted_url = esc_url_raw($_POST['sitemap_url']);
1420 -
1421 - // Convert Google Drive sharing URLs to direct download URLs
1422 - if ( strpos($submitted_url, 'drive.google.com') !== false ) {
1423 - $file_id = '';
1424 - if ( preg_match('/[?&]id=([a-zA-Z0-9_-]+)/', $submitted_url, $m) ) {
1425 - $file_id = $m[1];
1426 - } elseif ( preg_match('#/file/d/([a-zA-Z0-9_-]+)#', $submitted_url, $m) ) {
1427 - $file_id = $m[1];
1428 - }
1429 - if ( ! empty($file_id) ) {
1430 - $submitted_url = 'https://drive.google.com/uc?export=download&id=' . $file_id;
1431 - }
1432 - }
1433 -
1434 - // Get bot_id from form submission
1435 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
1436 -
1437 - // Get bot-specific options and validate API key
1438 - $bot_options = $this->get_bot_options($bot_id);
1439 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1440 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
1441 -
1442 - if (strpos($selected_model, 'voyage') === 0) {
1443 - $api_key = $options['voyage_api_key'] ?? '';
1444 - $provider_name = 'Voyage AI';
1445 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
1446 - $api_key = $options['gemini_api_key'] ?? '';
1447 - $provider_name = 'Google Gemini';
1448 - } else {
1449 - $api_key = $options['api_key'] ?? '';
1450 - $provider_name = 'OpenAI';
1451 - }
1452 -
1453 - if (empty($api_key)) {
1454 - $error_message = sprintf(
1455 - esc_html__('%s API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
1456 - $provider_name
1457 - );
1458 - set_transient('mxchat_admin_notice_error', $error_message, 30);
1459 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1460 - exit;
1461 - }
1462 -
1463 - // Fetch URL — send an honest, versioned MXChat crawler UA (not a spoofed
1464 - // browser). Stale browser UAs are exactly what WAFs like SiteGround's
1465 - // ModSecurity flag as scrapers, 403-ing the fetch (including PDFs served
1466 - // from the site's own media library, which route through this same call).
1467 - // See mxchat_ingest_user_agent(). Accept is kept for content negotiation;
1468 - // the browser-only Accept-Language fingerprint is dropped so it stays
1469 - // coherent with a bot identity.
1470 - $response = wp_remote_get($submitted_url, array(
1471 - 'timeout' => 30,
1472 - 'sslverify' => false,
1473 - 'user-agent' => mxchat_ingest_user_agent(),
1474 - 'headers' => array(
1475 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
1476 - ),
1477 - ));
1478 -
1479 - if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
1480 - $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP Status: ' . wp_remote_retrieve_response_code($response);
1481 - set_transient('mxchat_admin_notice_error',
1482 - sprintf(
1483 - esc_html__('Failed to fetch the URL: %s', 'mxchat'),
1484 - esc_html($error_message)
1485 - ),
1486 - 30
1487 - );
1488 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1489 - exit;
1490 - }
1491 -
1492 - $content_type = wp_remote_retrieve_header($response, 'content-type');
1493 - $body_content = wp_remote_retrieve_body($response);
1494 -
1495 - if (empty($body_content)) {
1496 - set_transient('mxchat_admin_notice_error',
1497 - esc_html__('Empty response received from URL.', 'mxchat'),
1498 - 30
1499 - );
1500 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1501 - exit;
1502 - }
1503 -
1504 - // Handle PDF URL
1505 - if ($this->mxchat_is_pdf_url($submitted_url, $response)) {
1506 - $result = $this->mxchat_handle_pdf_for_knowledge_base($submitted_url, $response, $bot_id);
1507 -
1508 - if ($result === 'queued') {
1509 - set_transient('mxchat_admin_notice_success',
1510 - esc_html__('PDF queued for processing. Processing will start automatically.', 'mxchat'),
1511 - 30
1512 - );
1513 - } else {
1514 - set_transient('mxchat_admin_notice_error',
1515 - esc_html__('Failed to queue PDF processing: ', 'mxchat') . esc_html($result),
1516 - 30
1517 - );
1518 - }
1519 -
1520 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1521 - exit;
1522 - }
1523 -
1524 - // Handle Sitemap XML
1525 - if (strpos($content_type, 'xml') !== false || strpos($body_content, '<urlset') !== false) {
1526 - libxml_use_internal_errors(true);
1527 - $xml = simplexml_load_string($body_content);
1528 - $xml_errors = libxml_get_errors();
1529 - libxml_clear_errors();
1530 -
1531 - if ($xml === false || !empty($xml_errors)) {
1532 - set_transient('mxchat_admin_notice_error',
1533 - esc_html__('Invalid sitemap XML. Please provide a valid sitemap.', 'mxchat'),
1534 - 30
1535 - );
1536 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1537 - exit;
1538 - }
1539 -
1540 - $result = $this->mxchat_handle_sitemap_for_knowledge_base($xml, $submitted_url, $bot_id);
1541 -
1542 - if ($result === 'queued') {
1543 - set_transient('mxchat_admin_notice_success',
1544 - esc_html__('Sitemap queued for processing. Processing will start automatically.', 'mxchat'),
1545 - 30
1546 - );
1547 - } else {
1548 - set_transient('mxchat_admin_notice_error',
1549 - esc_html__('Failed to queue sitemap processing. Please check the status below for details.', 'mxchat'),
1550 - 30
1551 - );
1552 - }
1553 -
1554 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1555 - exit;
1556 - }
1557 -
1558 - // Handle Regular URL (single page)
1559 - $page_content = $this->mxchat_extract_main_content($body_content);
1560 - $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
1561 -
1562 - //error_log('[MXCHAT-URL-DEBUG] URL: ' . $submitted_url);
1563 - //error_log('[MXCHAT-URL-DEBUG] Extracted page_content length: ' . strlen($page_content));
1564 - //error_log('[MXCHAT-URL-DEBUG] Sanitized content length: ' . strlen($sanitized_content));
1565 - //error_log('[MXCHAT-URL-DEBUG] Content preview: ' . substr($sanitized_content, 0, 500));
1566 -
1567 - if (empty($sanitized_content)) {
1568 - set_transient('mxchat_admin_notice_error',
1569 - esc_html__('No valid content found on the provided URL.', 'mxchat'),
1570 - 30
1571 - );
1572 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1573 - exit;
1574 - }
1575 -
1576 - // For single URLs, process immediately using submit_content_to_db
1577 - // This handles chunking automatically for large content
1578 - $db_result = MxChat_Utils::submit_content_to_db(
1579 - $sanitized_content,
1580 - $submitted_url,
1581 - $api_key,
1582 - null,
1583 - $bot_id,
1584 - 'url' // content_type
1585 - );
1586 -
1587 - if (is_wp_error($db_result)) {
1588 - $error_message = esc_html__('Failed to store content in database: ', 'mxchat') . esc_html($db_result->get_error_message());
1589 - set_transient('mxchat_admin_notice_error', $error_message, 30);
1590 - } else {
1591 - $success_message = esc_html__('URL content successfully submitted!', 'mxchat');
1592 - set_transient('mxchat_admin_notice_success', $success_message, 30);
1593 - }
1594 -
1595 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1596 - exit;
1597 -}
1598 -
1599 -
1600 -public function mxchat_get_single_url_status() {
1601 - $status = get_transient('mxchat_single_url_status');
1602 - if (!$status) {
1603 - return null;
1604 - }
1605 -
1606 - // Add human-readable time
1607 - if (isset($status['timestamp'])) {
1608 - $status['human_time'] = human_time_diff(strtotime($status['timestamp']), current_time('timestamp')) . ' ' . __('ago', 'mxchat');
1609 - }
1610 -
1611 - return $status;
1612 -}
1613 -
1614 -public function mxchat_handle_sitemap_for_knowledge_base($xml, $sitemap_url, $bot_id = 'default') {
1615 - if (!current_user_can('manage_options')) {
1616 - return false;
1617 - }
1618 -
1619 - try {
1620 - $sitemap_url = esc_url_raw($sitemap_url);
1621 -
1622 - if (!$xml || !is_object($xml)) {
1623 - throw new Exception(__('Invalid XML object provided', 'mxchat'));
1624 - }
1625 -
1626 - // Get bot-specific embedding API for validation
1627 - $bot_options = $this->get_bot_options($bot_id);
1628 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1629 -
1630 - // Test the embedding API before processing
1631 - $test_phrase = "Test embedding generation for MxChat";
1632 - $test_result = $this->mxchat_generate_embedding($test_phrase, $bot_id);
1633 -
1634 - if (is_string($test_result)) {
1635 - throw new Exception(__('Embedding API validation failed: ', 'mxchat') . $test_result);
1636 - }
1637 -
1638 - if (!is_array($test_result)) {
1639 - throw new Exception(__('Embedding API returned unexpected result type. Please check your configuration.', 'mxchat'));
1640 - }
1641 -
1642 - // Extract URLs from sitemap
1643 - $urls = array();
1644 - foreach ($xml->url as $url_element) {
1645 - $url = esc_url_raw((string)$url_element->loc);
1646 - if ($url) {
1647 - $urls[] = array('url' => $url);
1648 - }
1649 - }
1650 -
1651 - $total_urls = count($urls);
1652 -
1653 - if ($total_urls < 1) {
1654 - throw new Exception(__('No valid URLs found in sitemap', 'mxchat'));
1655 - }
1656 -
1657 - // Create unique queue ID
1658 - $queue_id = 'sitemap_' . md5($sitemap_url . time());
1659 -
1660 - // Add URLs to queue
1661 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'url', $urls, $bot_id);
1662 -
1663 - if ($queued_count === 0) {
1664 - throw new Exception(__('Failed to add URLs to processing queue', 'mxchat'));
1665 - }
1666 -
1667 - // Store queue metadata
1668 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $sitemap_url);
1669 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'sitemap');
1670 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_urls);
1671 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
1672 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
1673 -
1674 - // Store queue ID in transient for status tracking
1675 - set_transient('mxchat_active_queue_sitemap', $queue_id, DAY_IN_SECONDS);
1676 - set_transient('mxchat_last_sitemap_url', $sitemap_url, DAY_IN_SECONDS);
1677 -
1678 - return 'queued';
1679 -
1680 - } catch (Exception $e) {
1681 - $error_message = $e->getMessage();
1682 - //error_log(sprintf(esc_html__('Error preparing sitemap for processing: %s', 'mxchat'), esc_html($error_message)));
1683 -
1684 - return $error_message;
1685 - }
1686 -
1687 -}
1688 -
1689 -/**
1690 - * Remove shortcode tags but preserve the content inside them
1691 - * Example: [vc_column]Hello World[/vc_column] becomes "Hello World"
1692 - *
1693 - * @param string $content The content containing shortcodes
1694 - * @return string Content with shortcode tags removed but inner content preserved
1695 - */
1696 -private function strip_shortcode_tags_preserve_content($content) {
1697 - // Single-pass regex removes all shortcode brackets: [tag], [tag attr="val"], [/tag], [tag /]
1698 - // Content between tags is inherently preserved since only brackets are targeted
1699 - $result = preg_replace('/\[\/?\w[\w-]*[^\]]*\]/', '', $content);
1700 - return ($result !== null) ? $result : $content;
1701 -}
1702 -
1703 -public function mxchat_sanitize_content_for_api($content) {
1704 - //error_log('[MXCHAT-SANITIZE] Original content preview: ' . substr($content, 0, 500) . '...');
1705 -
1706 - // Remove shortcode tags but PRESERVE content inside them
1707 - $content = $this->strip_shortcode_tags_preserve_content($content);
1708 -
1709 - // Remove script, style tags, and HTML comments
1710 - $content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $content);
1711 - $content = preg_replace('/<style\b[^>]*>(.*?)<\/style>/is', '', $content);
1712 - $content = preg_replace('/<!--(.|\s)*?-->/', '', $content);
1713 -
1714 - // Remove all HTML tags and decode HTML entities
1715 - $content = wp_strip_all_tags($content);
1716 - $content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5);
1717 -
1718 - // Normalize whitespace but preserve paragraph breaks
1719 - // First, normalize line endings to \n
1720 - $content = str_replace(["\r\n", "\r"], "\n", $content);
1721 - // Replace multiple spaces/tabs with single space, but preserve newlines
1722 - $content = preg_replace('/[ \t]+/', ' ', $content);
1723 - // Replace 3+ newlines with 2 newlines (max 2 blank lines)
1724 - $content = preg_replace('/\n{3,}/', "\n\n", $content);
1725 - // Trim each line
1726 - $lines = explode("\n", $content);
1727 - $lines = array_map('trim', $lines);
1728 - $content = implode("\n", $lines);
1729 - // Final trim
1730 - $content = trim($content);
1731 -
1732 - // Remove control characters (which can cause database issues) but preserve \n (0x0A) and \r (0x0D)
1733 - $content = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/u', '', $content);
1734 -
1735 - // Remove NULL bytes which can cause database errors
1736 - $content = str_replace("\0", "", $content);
1737 -
1738 - // Ensure valid UTF-8 encoding
1739 - $content = wp_check_invalid_utf8($content);
1740 -
1741 - // Remove any extremely long strings without spaces (often garbage)
1742 - $content = preg_replace('/\S{300,}/', ' ', $content);
1743 -
1744 - // Replace problematic characters that often cause database issues
1745 - $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); // Remove emoji and other high Unicode characters
1746 -
1747 - // Replace any remaining potentially problematic characters with spaces
1748 - // BUT preserve newlines by temporarily replacing them
1749 - $content = str_replace("\n", "NEWLINE_PLACEHOLDER", $content);
1750 - $content = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\p{Sm}]/u', ' ', $content);
1751 - $content = str_replace("NEWLINE_PLACEHOLDER", "\n", $content);
1752 -
1753 - // Limit to reasonable length if needed
1754 - $max_length = 65000; // Just under MySQL TEXT field limit
1755 - if (strlen($content) > $max_length) {
1756 - $content = substr($content, 0, $max_length);
1757 - }
1758 -
1759 - //error_log('[MXCHAT-SANITIZE] Sanitized content preview: ' . substr($content, 0, 500) . '...');
1760 - return $content;
1761 -}
1762 -public function mxchat_extract_main_content($html) {
1763 - if (empty($html)) {
1764 - return '';
1765 - }
1766 - try {
1767 - $dom = new DOMDocument;
1768 - libxml_use_internal_errors(true); // Suppress HTML parsing errors
1769 - @$dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
1770 - $xpath = new DOMXPath($dom);
1771 -
1772 - // For debugging purposes
1773 - $debugEnabled = true; // Set to true to enable debugging output
1774 - $debug = function($message) use ($debugEnabled) {
1775 - if ($debugEnabled) {
1776 - //error_log('[MXCHAT-EXTRACT-DEBUG] ' . $message);
1777 - }
1778 - };
1779 -
1780 - // Direct targeting for Gerow theme posts
1781 - $post_text = $xpath->query('//div[contains(@class, "post-text")]');
1782 - if ($post_text && $post_text->length > 0) {
1783 - $debug("Found post-text directly");
1784 - $content = '';
1785 - foreach ($post_text as $node) {
1786 - $content .= $dom->saveHTML($node);
1787 - }
1788 - if (!empty($content)) {
1789 - $debug("Returning post-text content");
1790 - return $content;
1791 - }
1792 - }
1793 -
1794 - // Try to get the blog details content which contains the post-text
1795 - $blog_details = $xpath->query('//div[contains(@class, "blog-details-content")]');
1796 - if ($blog_details && $blog_details->length > 0) {
1797 - $debug("Found blog-details-content");
1798 - $content = '';
1799 - foreach ($blog_details as $node) {
1800 - $content .= $dom->saveHTML($node);
1801 - }
1802 - if (!empty($content)) {
1803 - $debug("Returning blog-details-content");
1804 - return $content;
1805 - }
1806 - }
1807 -
1808 - // Try to get the article which contains the blog details
1809 - $article = $xpath->query('//article[contains(@class, "blog-details-wrap")]');
1810 - if ($article && $article->length > 0) {
1811 - $debug("Found article with blog-details-wrap");
1812 - $content = '';
1813 - foreach ($article as $node) {
1814 - $content .= $dom->saveHTML($node);
1815 - }
1816 - if (!empty($content)) {
1817 - $debug("Returning article content");
1818 - return $content;
1819 - }
1820 - }
1821 -
1822 - // Try even broader with the blog-item-wrap
1823 - $blog_item = $xpath->query('//div[contains(@class, "blog-item-wrap")]');
1824 - if ($blog_item && $blog_item->length > 0) {
1825 - $debug("Found blog-item-wrap");
1826 - $content = '';
1827 - foreach ($blog_item as $node) {
1828 - $content .= $dom->saveHTML($node);
1829 - }
1830 - if (!empty($content)) {
1831 - $debug("Returning blog-item-wrap content");
1832 - return $content;
1833 - }
1834 - }
1835 -
1836 - // Specific Gerow theme path
1837 - $gerow_path = $xpath->query('//section[contains(@class, "blog-area")]//div[contains(@class, "post-text")]');
1838 - if ($gerow_path && $gerow_path->length > 0) {
1839 - $debug("Found Gerow theme path to post-text");
1840 - $content = '';
1841 - foreach ($gerow_path as $node) {
1842 - $content .= $dom->saveHTML($node);
1843 - }
1844 - if (!empty($content)) {
1845 - $debug("Returning Gerow post-text content");
1846 - return $content;
1847 - }
1848 - }
1849 -
1850 - // Generic blog post selectors
1851 - $selectors = [
1852 - // Blog post specific selectors
1853 - '//div[contains(@class, "post-text")]',
1854 - '//article[contains(@class, "blog-post-item")]//div[contains(@class, "post-text")]',
1855 - '//div[contains(@class, "blog-details-content")]',
1856 - '//article[contains(@class, "blog-details-wrap")]',
1857 - '//div[contains(@class, "entry-content")]',
1858 - '//div[contains(@class, "blog-content")]',
1859 - '//div[contains(@class, "blog-item-wrap")]',
1860 -
1861 - // More general content selectors
1862 - '//div[contains(@class, "page__content")]',
1863 - '//div[contains(@class, "elementor-widget-container")]',
1864 - '//div[contains(@class, "elementor-text-editor")]',
1865 - '//div[contains(@class, "elementor-widget-text-editor")]',
1866 - '//*[contains(@class, "entry-content")]',
1867 - '//*[contains(@class, "post-content")]',
1868 - '//*[contains(@class, "article-content")]',
1869 - '//*[@id="content"]',
1870 - '//*[@id="main-content"]',
1871 - '//section[contains(@class, "blog-area")]',
1872 - '//article',
1873 - '//main',
1874 - '//div[contains(@class, "content")]'
1875 - ];
1876 -
1877 - // First handle Elementor content - get only leaf widget containers to avoid duplicates
1878 - $debug("Checking for Elementor content");
1879 - // Get widget containers that are direct children of widgets (not nested inside other widget containers)
1880 - $elementor_widgets = $xpath->query('//div[contains(@class, "elementor-widget")]//div[contains(@class, "elementor-widget-container")]');
1881 - if ($elementor_widgets && $elementor_widgets->length > 0) {
1882 - $debug("Found Elementor widgets");
1883 - $seen_content = array(); // Track seen content to avoid duplicates
1884 - $combined_content = '';
1885 - foreach ($elementor_widgets as $widget) {
1886 - $widget_content = $dom->saveHTML($widget);
1887 - if (!empty($widget_content)) {
1888 - // Create a hash of the content to detect duplicates
1889 - $content_hash = md5($widget_content);
1890 - if (!isset($seen_content[$content_hash])) {
1891 - $seen_content[$content_hash] = true;
1892 - $combined_content .= $widget_content;
1893 - }
1894 - }
1895 - }
1896 - if (!empty($combined_content)) {
1897 - $debug("Returning Elementor content");
1898 - return $combined_content;
1899 - }
1900 - }
1901 -
1902 - // Try standard selectors one by one
1903 - foreach ($selectors as $selector) {
1904 - $debug("Trying selector: " . $selector);
1905 - $nodes = $xpath->query($selector);
1906 - if ($nodes && $nodes->length > 0) {
1907 - $debug("Found " . $nodes->length . " matches for selector: " . $selector);
1908 - // Only take the FIRST matching node to avoid duplicate content
1909 - // (pages often have nested or multiple containers with same class)
1910 - $content = $dom->saveHTML($nodes->item(0));
1911 - if (!empty($content)) {
1912 - $debug("Returning content from selector: " . $selector . " (first match only)");
1913 - return $content;
1914 - }
1915 - }
1916 - }
1917 -
1918 - // Manual regex fallback for post-text if DOM methods fail
1919 - $debug("Trying regex fallback");
1920 - if (preg_match('/<div class="post-text">(.*?)<\/div>\s*<\/div>\s*<\/div>/s', $html, $matches)) {
1921 - $debug("Found post-text via regex");
1922 - return '<div class="post-text">' . $matches[1] . '</div>';
1923 - }
1924 -
1925 - // Try to extract the blog section as a whole
1926 - $blog_section = $xpath->query('//section[contains(@class, "blog-area")]');
1927 - if ($blog_section && $blog_section->length > 0) {
1928 - $debug("Found blog-area section");
1929 - $content = '';
1930 - foreach ($blog_section as $node) {
1931 - $content .= $dom->saveHTML($node);
1932 - }
1933 - if (!empty($content)) {
1934 - $debug("Returning blog-area section content");
1935 - return $content;
1936 - }
1937 - }
1938 -
1939 - // Generic container selectors for non-CMS sites (like .asp pages)
1940 - $debug("Trying generic container selectors");
1941 - $generic_selectors = [
1942 - '//div[@id="main"]',
1943 - '//div[@id="wrapper"]',
1944 - '//div[@id="page"]',
1945 - '//div[@id="site-content"]',
1946 - '//div[contains(@class, "main-content")]',
1947 - '//div[contains(@class, "page-content")]',
1948 - '//div[contains(@class, "site-content")]',
1949 - ];
1950 -
1951 - foreach ($generic_selectors as $selector) {
1952 - $debug("Trying generic selector: " . $selector);
1953 - $nodes = $xpath->query($selector);
1954 - if ($nodes && $nodes->length > 0) {
1955 - $content = $dom->saveHTML($nodes->item(0));
1956 - if (!empty($content)) {
1957 - $debug("Returning content from generic selector: " . $selector);
1958 - return $content;
1959 - }
1960 - }
1961 - }
1962 -
1963 - // Paragraph-based content detection - find regions with substantial text
1964 - $debug("Trying paragraph-based content detection");
1965 - $paragraphs = $xpath->query('//p[string-length(normalize-space()) > 50]');
1966 - if ($paragraphs && $paragraphs->length >= 3) {
1967 - $debug("Found " . $paragraphs->length . " substantial paragraphs");
1968 - // Collect all substantial paragraphs and their content
1969 - $paragraph_content = '';
1970 - foreach ($paragraphs as $p) {
1971 - $paragraph_content .= $dom->saveHTML($p) . "\n";
1972 - }
1973 - if (!empty($paragraph_content)) {
1974 - $debug("Returning paragraph-based content");
1975 - return $paragraph_content;
1976 - }
1977 - }
1978 -
1979 - // Improved body fallback - strip nav/header/footer elements first
1980 - $debug("Using improved body fallback");
1981 - $body = $dom->getElementsByTagName('body');
1982 - if ($body->length > 0) {
1983 - // Clone the body to avoid modifying the original DOM
1984 - $body_clone = $body->item(0)->cloneNode(true);
1985 -
1986 - // Remove common non-content elements by tag name
1987 - $remove_tags = ['nav', 'header', 'footer', 'aside', 'script', 'style', 'noscript'];
1988 - foreach ($remove_tags as $tag) {
1989 - $elements = $body_clone->getElementsByTagName($tag);
1990 - // Iterate backwards to safely remove elements
1991 - for ($i = $elements->length - 1; $i >= 0; $i--) {
1992 - $el = $elements->item($i);
1993 - if ($el && $el->parentNode) {
1994 - $el->parentNode->removeChild($el);
1995 - }
1996 - }
1997 - }
1998 -
1999 - // Remove elements with common non-content class names using XPath on the cloned body
2000 - $temp_dom = new DOMDocument();
2001 - @$temp_dom->appendChild($temp_dom->importNode($body_clone, true));
2002 - $temp_xpath = new DOMXPath($temp_dom);
2003 -
2004 - $remove_class_patterns = [
2005 - '//*[contains(@class, "nav")]',
2006 - '//*[contains(@class, "menu")]',
2007 - '//*[contains(@class, "sidebar")]',
2008 - '//*[contains(@class, "footer")]',
2009 - '//*[contains(@class, "header")]',
2010 - '//*[contains(@id, "nav")]',
2011 - '//*[contains(@id, "menu")]',
2012 - '//*[contains(@id, "sidebar")]',
2013 - '//*[contains(@id, "footer")]',
2014 - '//*[contains(@id, "header")]',
2015 - ];
2016 -
2017 - foreach ($remove_class_patterns as $pattern) {
2018 - $elements = $temp_xpath->query($pattern);
2019 - if ($elements) {
2020 - for ($i = $elements->length - 1; $i >= 0; $i--) {
2021 - $el = $elements->item($i);
2022 - if ($el && $el->parentNode) {
2023 - $el->parentNode->removeChild($el);
2024 - }
2025 - }
2026 - }
2027 - }
2028 -
2029 - $cleaned_content = $temp_dom->saveHTML();
2030 - if (!empty($cleaned_content)) {
2031 - $debug("Returning cleaned body content");
2032 - return $cleaned_content;
2033 - }
2034 - }
2035 -
2036 - // Last resort: return the original HTML
2037 - $debug("Returning original HTML");
2038 - return $html;
2039 - } catch (Exception $e) {
2040 - //error_log('[MXCHAT-ERROR] Content extraction failed: ' . $e->getMessage());
2041 - return $html; // Return original HTML if parsing fails
2042 - } finally {
2043 - libxml_clear_errors();
2044 - }
2045 -}
2046 -public function mxchat_get_sitemap_processing_status($sitemap_url) {
2047 - $sitemap_url = esc_url_raw($sitemap_url);
2048 - $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
2049 - $status = get_transient($status_key);
2050 -
2051 - if (!$status || !is_array($status)) {
2052 - return false;
2053 - }
2054 -
2055 - // Auto-complete check: if all URLs are processed but status isn't complete
2056 - if (isset($status['processed_urls']) && isset($status['total_urls']) &&
2057 - $status['processed_urls'] >= $status['total_urls'] &&
2058 - isset($status['status']) && $status['status'] !== 'complete' &&
2059 - $status['status'] !== 'error') {
2060 -
2061 - // Mark as complete
2062 - $status['status'] = 'complete';
2063 - $status['processed_urls'] = $status['total_urls']; // Ensure exact match
2064 -
2065 - // Update the transient with the corrected status
2066 - set_transient($status_key, $status, DAY_IN_SECONDS);
2067 - }
2068 -
2069 - return array(
2070 - 'total_urls' => absint($status['total_urls']),
2071 - 'processed_urls' => absint($status['processed_urls']),
2072 - 'failed_urls' => absint($status['failed_urls'] ?? 0),
2073 - 'percentage' => ($status['total_urls'] > 0)
2074 - ? round((absint($status['processed_urls']) / absint($status['total_urls'])) * 100)
2075 - : 0,
2076 - 'status' => sanitize_text_field($status['status']),
2077 - 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
2078 - 'error' => isset($status['error']) ? sanitize_text_field($status['error']) : '',
2079 - 'last_error' => isset($status['last_error']) ? sanitize_text_field($status['last_error']) : '',
2080 - 'failed_urls_list' => isset($status['failed_urls_list']) ? $status['failed_urls_list'] : array()
2081 - );
2082 -}
2083 -
2084 -public function mxchat_ajax_get_status_updates() {
2085 - try {
2086 - // Verify the request
2087 - check_ajax_referer('mxchat_status_nonce', 'nonce');
2088 -
2089 - // Get active queue IDs
2090 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
2091 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
2092 -
2093 - $sitemap_status = false;
2094 - $pdf_status = false;
2095 -
2096 - // Get sitemap queue status
2097 - if ($sitemap_queue_id) {
2098 - $sitemap_status = $this->mxchat_get_queue_status_data($sitemap_queue_id, 'sitemap');
2099 - }
2100 -
2101 - // Get PDF queue status
2102 - if ($pdf_queue_id) {
2103 - $pdf_status = $this->mxchat_get_queue_status_data($pdf_queue_id, 'pdf');
2104 - }
2105 -
2106 - $is_active_processing =
2107 - ($sitemap_status && $sitemap_status['status'] === 'processing') ||
2108 - ($pdf_status && $pdf_status['status'] === 'processing');
2109 -
2110 - // Return JSON response with the status data
2111 - wp_send_json(array(
2112 - 'pdf_status' => $pdf_status,
2113 - 'sitemap_status' => $sitemap_status,
2114 - 'is_processing' => $is_active_processing,
2115 - 'sitemap_queue_id' => $sitemap_queue_id,
2116 - 'pdf_queue_id' => $pdf_queue_id
2117 - ));
2118 -
2119 - } catch (Exception $e) {
2120 - //error_log('MxChat Status Update Error: ' . $e->getMessage());
2121 -
2122 - wp_send_json_error(array(
2123 - 'message' => 'Error getting status updates: ' . $e->getMessage(),
2124 - 'status' => 'error'
2125 - ));
2126 - }
2127 -}
2128 -
2129 -/**
2130 - * Helper function to get queue status data
2131 - */
2132 -private function mxchat_get_queue_status_data($queue_id, $type = 'sitemap') {
2133 - global $wpdb;
2134 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
2135 -
2136 - // Get counts by status
2137 - $counts = $wpdb->get_results($wpdb->prepare(
2138 - "SELECT status, COUNT(*) as count
2139 - FROM $table_name
2140 - WHERE queue_id = %s
2141 - GROUP BY status",
2142 - $queue_id
2143 - ), OBJECT_K);
2144 -
2145 - $total = 0;
2146 - $completed = 0;
2147 - $failed = 0;
2148 - $processing = 0;
2149 - $pending = 0;
2150 -
2151 - foreach ($counts as $status => $data) {
2152 - $count = absint($data->count);
2153 - $total += $count;
2154 -
2155 - switch ($status) {
2156 - case 'completed':
2157 - $completed = $count;
2158 - break;
2159 - case 'failed':
2160 - $failed = $count;
2161 - break;
2162 - case 'processing':
2163 - $processing = $count;
2164 - break;
2165 - case 'pending':
2166 - $pending = $count;
2167 - break;
2168 - }
2169 - }
2170 -
2171 - if ($total === 0) {
2172 - return false;
2173 - }
2174 -
2175 - // Calculate percentage
2176 - $percentage = round((($completed + $failed) / $total) * 100);
2177 -
2178 - // Get failed items details (limit to 50)
2179 - $failed_items = array();
2180 - if ($failed > 0) {
2181 - $failed_results = $wpdb->get_results($wpdb->prepare(
2182 - "SELECT item_type, item_data, error_message, attempts, completed_at
2183 - FROM $table_name
2184 - WHERE queue_id = %s
2185 - AND status = 'failed'
2186 - AND attempts >= max_attempts
2187 - ORDER BY id DESC
2188 - LIMIT 50",
2189 - $queue_id
2190 - ));
2191 -
2192 - foreach ($failed_results as $item) {
2193 - $data = json_decode($item->item_data, true);
2194 - $url = $type === 'pdf' ? ($data['pdf_url'] ?? '') : ($data['url'] ?? '');
2195 -
2196 - $failed_items[] = array(
2197 - 'url' => $url,
2198 - 'page' => $type === 'pdf' ? ($data['page_number'] ?? 0) : 0,
2199 - 'error' => $item->error_message,
2200 - 'retries' => $item->attempts,
2201 - 'time' => strtotime($item->completed_at)
2202 - );
2203 - }
2204 - }
2205 -
2206 - // Get queue metadata
2207 - $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
2208 -
2209 - // Determine if queue is complete
2210 - $is_complete = ($pending === 0 && $processing === 0);
2211 -
2212 - // Get last update time
2213 - $last_update = $wpdb->get_var($wpdb->prepare(
2214 - "SELECT MAX(UNIX_TIMESTAMP(COALESCE(completed_at, started_at, created_at)))
2215 - FROM $table_name
2216 - WHERE queue_id = %s",
2217 - $queue_id
2218 - ));
2219 -
2220 - $last_update_text = $last_update ? human_time_diff($last_update, time()) . ' ' . __('ago', 'mxchat') : __('Just now', 'mxchat');
2221 -
2222 - // Format based on type
2223 - if ($type === 'pdf') {
2224 - return array(
2225 - 'total_pages' => $total,
2226 - 'processed_pages' => $completed + $failed,
2227 - 'failed_pages' => $failed,
2228 - 'percentage' => $percentage,
2229 - 'status' => $is_complete ? 'complete' : 'processing',
2230 - 'last_update' => $last_update_text,
2231 - 'failed_pages_list' => $failed_items,
2232 - 'pdf_url' => $source_url,
2233 - 'queue_id' => $queue_id
2234 - );
2235 - } else {
2236 - return array(
2237 - 'total_urls' => $total,
2238 - 'processed_urls' => $completed + $failed,
2239 - 'failed_urls' => $failed,
2240 - 'percentage' => $percentage,
2241 - 'status' => $is_complete ? 'complete' : 'processing',
2242 - 'last_update' => $last_update_text,
2243 - 'failed_urls_list' => $failed_items,
2244 - 'sitemap_url' => $source_url,
2245 - 'queue_id' => $queue_id
2246 - );
2247 - }
2248 -}
2249 -
2250 -/**
2251 - * Public method to get processing status for both sitemap and PDF queues
2252 - * Used by admin pages to display processing status
2253 - *
2254 - * @return array Array with 'sitemap_status', 'pdf_status', and 'is_processing' keys
2255 - */
2256 -public function mxchat_get_processing_statuses() {
2257 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
2258 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
2259 -
2260 - $sitemap_status = false;
2261 - $pdf_status = false;
2262 -
2263 - if ($sitemap_queue_id) {
2264 - $sitemap_status = $this->mxchat_get_queue_status_data($sitemap_queue_id, 'sitemap');
2265 - }
2266 -
2267 - if ($pdf_queue_id) {
2268 - $pdf_status = $this->mxchat_get_queue_status_data($pdf_queue_id, 'pdf');
2269 - }
2270 -
2271 - $is_processing =
2272 - ($sitemap_status && $sitemap_status['status'] === 'processing') ||
2273 - ($pdf_status && $pdf_status['status'] === 'processing');
2274 -
2275 - return array(
2276 - 'sitemap_status' => $sitemap_status,
2277 - 'pdf_status' => $pdf_status,
2278 - 'is_processing' => $is_processing
2279 - );
2280 -}
2281 -
2282 -/**
2283 - * AJAX handler to get recent knowledge entries for real-time table updates
2284 - * UPDATED: Now supports both WordPress DB and Pinecone data sources
2285 - */
2286 -public function ajax_mxchat_get_recent_entries() {
2287 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
2288 -
2289 - if (!current_user_can('manage_options')) {
2290 - wp_send_json_error(array('message' => 'Unauthorized'));
2291 - return;
2292 - }
2293 -
2294 - global $wpdb;
2295 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2296 -
2297 - // Get parameters
2298 - $last_id = isset($_POST['last_id']) ? absint($_POST['last_id']) : 0;
2299 - $limit = isset($_POST['limit']) ? min(absint($_POST['limit']), 50) : 10;
2300 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
2301 -
2302 - // Check if Pinecone is enabled for this bot
2303 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
2304 - $pinecone_options = $pinecone_manager ? $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id) : array();
2305 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2306 - $has_pinecone_api = !empty($pinecone_options['mxchat_pinecone_api_key']);
2307 -
2308 - if ($use_pinecone && $has_pinecone_api) {
2309 - // PINECONE DATA SOURCE - Get grouped entry count (not raw vector count)
2310 - // Use mxchat_fetch_pinecone_records which returns total_unique_entries
2311 - $records = $pinecone_manager->mxchat_fetch_pinecone_records($pinecone_options, '', 1, 10, $bot_id, '');
2312 - $total_count = $records['total'] ?? 0;
2313 -
2314 - // For Pinecone, we don't return individual entries during polling
2315 - // (entries are already displayed on page load via mxchat_fetch_pinecone_records)
2316 - // We just return the updated count
2317 - wp_send_json_success(array(
2318 - 'entries' => array(),
2319 - 'total_count' => absint($total_count),
2320 - 'max_id' => $last_id,
2321 - 'data_source' => 'pinecone'
2322 - ));
2323 - return;
2324 - }
2325 -
2326 - // WORDPRESS DB DATA SOURCE
2327 - // Build query to get entries newer than last_id
2328 - $where_clauses = array('1=1');
2329 - $where_values = array();
2330 -
2331 - if ($last_id > 0) {
2332 - $where_clauses[] = 'id > %d';
2333 - $where_values[] = $last_id;
2334 - }
2335 -
2336 - // Note: WordPress DB table doesn't have bot_id column
2337 - // Multi-bot filtering is handled via Pinecone namespaces
2338 -
2339 - $where_sql = implode(' AND ', $where_clauses);
2340 -
2341 - // Get recent entries
2342 - $query = "SELECT id, article_content, source_url, timestamp
2343 - FROM $table_name
2344 - WHERE $where_sql
2345 - ORDER BY id DESC
2346 - LIMIT %d";
2347 -
2348 - $where_values[] = $limit;
2349 -
2350 - $entries = $wpdb->get_results($wpdb->prepare($query, $where_values));
2351 -
2352 - // Get total count of GROUPED entries (by source_url) - matches pagination display
2353 - // Count unique source_urls (excluding mxchat:// internal refs) + count of ungrouped rows
2354 - $total_count = $wpdb->get_var(
2355 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} WHERE source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2356 - (SELECT COUNT(*) FROM {$table_name} WHERE source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')"
2357 - );
2358 -
2359 - // Format entries for response
2360 - $formatted_entries = array();
2361 - $preview_length = 150;
2362 - foreach ($entries as $entry) {
2363 - // Parse chunk metadata using the proper chunker method (same as initial page load)
2364 - if (class_exists('MxChat_Chunker')) {
2365 - $chunk_meta = MxChat_Chunker::parse_stored_chunk($entry->article_content);
2366 - $display_content = $chunk_meta['text'];
2367 - $chunk_metadata = $chunk_meta['metadata'];
2368 - } else {
2369 - $display_content = $entry->article_content;
2370 - $chunk_metadata = array();
2371 - }
2372 -
2373 - $content_preview = mb_strlen($display_content) > $preview_length
2374 - ? mb_substr($display_content, 0, $preview_length) . '...'
2375 - : $display_content;
2376 -
2377 - $formatted_entries[] = array(
2378 - 'id' => $entry->id,
2379 - 'preview' => esc_html($content_preview),
2380 - 'full_content' => wp_kses_post(wpautop($display_content)),
2381 - 'content_length' => mb_strlen($display_content),
2382 - 'preview_length' => $preview_length,
2383 - 'source_url' => $entry->source_url,
2384 - 'has_link' => !empty($entry->source_url) && strpos($entry->source_url, 'mxchat://') !== 0,
2385 - 'chunk_metadata' => $chunk_metadata,
2386 - 'bot_id' => $entry->bot_id ?? 'default',
2387 - 'edit_nonce' => wp_create_nonce('mxchat_edit_entry_nonce'),
2388 - 'delete_nonce' => wp_create_nonce('mxchat_delete_prompt_nonce')
2389 - );
2390 - }
2391 -
2392 - wp_send_json_success(array(
2393 - 'entries' => $formatted_entries,
2394 - 'total_count' => absint($total_count),
2395 - 'max_id' => !empty($entries) ? $entries[0]->id : $last_id,
2396 - 'data_source' => 'wordpress'
2397 - ));
2398 -}
2399 -
2400 -/**
2401 - * Get Pinecone total count from stats API
2402 - * Helper function for ajax_mxchat_get_recent_entries
2403 - */
2404 -private function mxchat_get_pinecone_count_from_stats($pinecone_options) {
2405 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2406 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2407 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
2408 -
2409 - if (empty($api_key) || empty($host)) {
2410 - return 0;
2411 - }
2412 -
2413 - try {
2414 - $stats_url = "https://{$host}/describe_index_stats";
2415 -
2416 - $response = wp_remote_post($stats_url, array(
2417 - 'headers' => array(
2418 - 'Api-Key' => $api_key,
2419 - 'Content-Type' => 'application/json'
2420 - ),
2421 - 'body' => '{}',
2422 - 'timeout' => 10
2423 - ));
2424 -
2425 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
2426 - $body = wp_remote_retrieve_body($response);
2427 - $stats_data = json_decode($body, true);
2428 -
2429 - // If namespace is specified, get count from that specific namespace
2430 - if (!empty($namespace) && isset($stats_data['namespaces'][$namespace]['vectorCount'])) {
2431 - return intval($stats_data['namespaces'][$namespace]['vectorCount']);
2432 - }
2433 -
2434 - // If no namespace specified or namespace not found in response, use total
2435 - return intval($stats_data['totalVectorCount'] ?? 0);
2436 - }
2437 -
2438 - return 0;
2439 -
2440 - } catch (Exception $e) {
2441 - return 0;
2442 - }
2443 -}
2444 -
2445 -/**
2446 - * AJAX handler to refresh Pinecone entries table via AJAX
2447 - * Returns the table HTML for updating the UI without a full page reload
2448 - */
2449 -public function ajax_mxchat_refresh_pinecone_entries() {
2450 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
2451 -
2452 - if (!current_user_can('manage_options')) {
2453 - wp_send_json_error(array('message' => 'Unauthorized'));
2454 - return;
2455 - }
2456 -
2457 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
2458 - $page = isset($_POST['page']) ? absint($_POST['page']) : 1;
2459 - $per_page = 25;
2460 - $search_query = isset($_POST['search']) ? sanitize_text_field($_POST['search']) : '';
2461 - $content_type_filter = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : '';
2462 -
2463 - // Get Pinecone manager and options
2464 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
2465 - if (!$pinecone_manager) {
2466 - wp_send_json_error(array('message' => 'Pinecone manager not available'));
2467 - return;
2468 - }
2469 -
2470 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
2471 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2472 - $pinecone_api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2473 -
2474 - if (!$use_pinecone || empty($pinecone_api_key)) {
2475 - wp_send_json_error(array('message' => 'Pinecone not configured'));
2476 - return;
2477 - }
2478 -
2479 - // Fetch records from Pinecone
2480 - $records = $pinecone_manager->mxchat_fetch_pinecone_records($pinecone_options, $search_query, $page, $per_page, $bot_id, $content_type_filter);
2481 - $prompts = $records['data'] ?? array();
2482 - $total_records = $records['total'] ?? 0;
2483 -
2484 - // Preprocess Pinecone records — set chunk_metadata and display_content
2485 - // (matches admin-knowledge-page.php preprocessing)
2486 - foreach ($prompts as $prompt) {
2487 - if (isset($prompt->chunk_index) && $prompt->chunk_index !== null) {
2488 - $prompt->chunk_metadata = array(
2489 - 'chunk_index' => intval($prompt->chunk_index),
2490 - 'total_chunks' => isset($prompt->total_chunks) ? intval($prompt->total_chunks) : null,
2491 - 'is_chunked' => isset($prompt->is_chunked) ? (bool) $prompt->is_chunked : true,
2492 - 'source_url' => $prompt->source_url ?? ''
2493 - );
2494 - $prompt->display_content = $prompt->article_content;
2495 - } else {
2496 - $prompt->chunk_metadata = array();
2497 - $prompt->display_content = $prompt->article_content ?? '';
2498 - }
2499 - }
2500 -
2501 - // Group prompts by source_url
2502 - $grouped_prompts = array();
2503 - foreach ($prompts as $prompt) {
2504 - $source_url = '';
2505 - if (!empty($prompt->chunk_metadata['source_url'])) {
2506 - $source_url = $prompt->chunk_metadata['source_url'];
2507 - } elseif (!empty($prompt->source_url)) {
2508 - $source_url = $prompt->source_url;
2509 - }
2510 -
2511 - if (!empty($source_url)) {
2512 - if (!isset($grouped_prompts[$source_url])) {
2513 - $grouped_prompts[$source_url] = array();
2514 - }
2515 - $grouped_prompts[$source_url][] = $prompt;
2516 - } else {
2517 - $grouped_prompts['_ungrouped_' . $prompt->id] = array($prompt);
2518 - }
2519 - }
2520 -
2521 - // Sort each group by chunk_index
2522 - foreach ($grouped_prompts as $source_url => &$group) {
2523 - usort($group, function($a, $b) {
2524 - $index_a = isset($a->chunk_metadata['chunk_index']) ? intval($a->chunk_metadata['chunk_index']) : 0;
2525 - $index_b = isset($b->chunk_metadata['chunk_index']) ? intval($b->chunk_metadata['chunk_index']) : 0;
2526 - return $index_a - $index_b;
2527 - });
2528 - }
2529 - unset($group);
2530 -
2531 - // Build HTML for the table rows - must match admin-knowledge-page.php structure exactly
2532 - ob_start();
2533 - $display_index = 0;
2534 - $current_page = $page;
2535 - $data_source = 'pinecone';
2536 - $current_bot_id = $bot_id;
2537 - $preview_length = 150;
2538 -
2539 - if (empty($grouped_prompts)) {
2540 - echo '<tr><td colspan="4" style="padding: 40px; text-align: center; color: var(--mxch-text-muted);">';
2541 - esc_html_e('No knowledge entries found in Pinecone.', 'mxchat');
2542 - echo '</td></tr>';
2543 - } else {
2544 - foreach ($grouped_prompts as $source_url => $group) {
2545 - $chunk_count = count($group);
2546 - $first_prompt = $group[0];
2547 - $display_index++;
2548 -
2549 - if ($chunk_count > 1) {
2550 - // Multiple chunks - show grouped row with expand button
2551 - $group_id = 'group-' . md5($source_url);
2552 - ?>
2553 - <tr id="prompt-<?php echo esc_attr($first_prompt->id); ?>"
2554 - class="mxchat-chunk-group-header"
2555 - data-source="<?php echo esc_attr($data_source); ?>"
2556 - data-group-id="<?php echo esc_attr($group_id); ?>"
2557 - style="border-bottom: 1px solid var(--mxch-card-border); background: rgba(33, 150, 243, 0.02);">
2558 - <td style="padding: 12px 16px; text-align: center;">
2559 - <input type="checkbox"
2560 - class="mxchat-entry-checkbox"
2561 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2562 - data-source="<?php echo esc_attr($data_source); ?>"
2563 - data-source-url="<?php echo esc_attr($source_url); ?>"
2564 - data-is-group="true"
2565 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>">
2566 - </td>
2567 - <td style="padding: 12px 16px; font-size: 13px;">
2568 - <?php echo esc_html($display_index + (($current_page - 1) * $per_page)); ?>
2569 - </td>
2570 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2571 - <div class="mxchat-chunk-group-info">
2572 - <button type="button" class="mxchat-chunk-toggle" data-group-id="<?php echo esc_attr($group_id); ?>">
2573 - <span class="dashicons dashicons-arrow-right-alt2"></span>
2574 - </button>
2575 - <span class="mxchat-chunk-badge"><?php echo esc_html($chunk_count); ?> <?php esc_html_e('chunks', 'mxchat'); ?></span>
2576 - <span class="mxchat-chunk-preview">
2577 - <?php
2578 - $parent_content = isset($first_prompt->display_content) ? $first_prompt->display_content : (isset($first_prompt->article_content) ? $first_prompt->article_content : '');
2579 - $content_preview = mb_substr($parent_content, 0, 100);
2580 - echo esc_html($content_preview . '...');
2581 - ?>
2582 - </span>
2583 - </div>
2584 - </td>
2585 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2586 - <?php if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0 && strpos($source_url, '_ungrouped_') !== 0) : ?>
2587 - <a href="<?php echo esc_url($source_url); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2588 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2589 - <?php esc_html_e('View Source', 'mxchat'); ?>
2590 - </a>
2591 - <?php else : ?>
2592 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual Content', 'mxchat'); ?></span>
2593 - <?php endif; ?>
2594 - </td>
2595 - <td class="mxchat-actions-cell" style="padding: 12px 16px; white-space: nowrap;">
2596 - <?php if ($data_source !== 'pinecone') : ?>
2597 - <button type="button"
2598 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
2599 - data-source-url="<?php echo esc_attr($source_url); ?>"
2600 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2601 - data-data-source="<?php echo esc_attr($data_source); ?>"
2602 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2603 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
2604 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
2605 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
2606 - </button>
2607 - <?php endif; ?>
2608 - <button type="button"
2609 - class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-group"
2610 - data-source-url="<?php echo esc_attr($source_url); ?>"
2611 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>"
2612 - data-data-source="<?php echo esc_attr($data_source); ?>"
2613 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2614 - data-nonce="<?php echo wp_create_nonce('mxchat_delete_chunks_nonce'); ?>"
2615 - style="color: var(--mxch-error);"
2616 - title="<?php esc_attr_e('Delete all chunks', 'mxchat'); ?>">
2617 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2618 - </button>
2619 - </td>
2620 - </tr>
2621 - <?php
2622 - // Render hidden chunk rows
2623 - foreach ($group as $chunk_index => $chunk) {
2624 - $meta_chunk_index = isset($chunk->chunk_metadata['chunk_index']) ? intval($chunk->chunk_metadata['chunk_index']) : $chunk_index;
2625 - $meta_total_chunks = isset($chunk->chunk_metadata['total_chunks']) ? intval($chunk->chunk_metadata['total_chunks']) : $chunk_count;
2626 - $content = isset($chunk->display_content) ? $chunk->display_content : (isset($chunk->article_content) ? $chunk->article_content : '');
2627 - $content_preview = mb_strlen($content) > $preview_length
2628 - ? mb_substr($content, 0, $preview_length) . '...'
2629 - : $content;
2630 - ?>
2631 - <tr id="prompt-<?php echo esc_attr($chunk->id); ?>"
2632 - class="mxchat-chunk-row <?php echo esc_attr($group_id); ?>"
2633 - data-source="<?php echo esc_attr($data_source); ?>"
2634 - style="display: none; background: #f8f9fa; border-bottom: 1px solid var(--mxch-card-border);">
2635 - <td style="padding: 12px 16px; text-align: center;">
2636 - <!-- Checkbox column placeholder for chunks (managed by group) -->
2637 - </td>
2638 - <td style="padding: 12px 16px 12px 30px; font-size: 13px;">
2639 - <!-- Hidden ID column for chunks -->
2640 - </td>
2641 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2642 - <div class="mxchat-accordion-wrapper">
2643 - <div class="mxchat-content-preview">
2644 - <span class="mxchat-chunk-indicator" style="margin-right: 10px; color: var(--mxch-text-secondary); font-size: 12px;">
2645 - <?php printf(esc_html__('Chunk %d of %d', 'mxchat'), $meta_chunk_index + 1, $meta_total_chunks); ?>
2646 - </span>
2647 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2648 - <?php if (mb_strlen($content) > $preview_length) : ?>
2649 - <button class="mxchat-expand-toggle" type="button">
2650 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2651 - </button>
2652 - <?php endif; ?>
2653 - </div>
2654 - <div class="mxchat-content-full" style="display: none;">
2655 - <div class="content-view">
2656 - <?php
2657 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2658 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2659 - echo wp_kses_post(wpautop($content));
2660 - echo '</div>';
2661 - } else {
2662 - echo wp_kses_post(wpautop($content));
2663 - }
2664 - ?>
2665 - </div>
2666 - </div>
2667 - </div>
2668 - </td>
2669 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2670 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Same as parent', 'mxchat'); ?></span>
2671 - </td>
2672 - <td class="mxchat-actions-cell" style="padding: 12px 16px;">
2673 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Managed by group', 'mxchat'); ?></span>
2674 - </td>
2675 - </tr>
2676 - <?php
2677 - }
2678 - } else {
2679 - // Single entry - display normally with accordion
2680 - $prompt = $first_prompt;
2681 - $content = isset($prompt->display_content) ? $prompt->display_content : (isset($prompt->article_content) ? $prompt->article_content : '');
2682 - $content_preview = mb_strlen($content) > $preview_length
2683 - ? mb_substr($content, 0, $preview_length) . '...'
2684 - : $content;
2685 - ?>
2686 - <tr id="prompt-<?php echo esc_attr($prompt->id); ?>"
2687 - data-source="<?php echo esc_attr($data_source); ?>"
2688 - style="border-bottom: 1px solid var(--mxch-card-border); background: rgba(33, 150, 243, 0.02);">
2689 - <td style="padding: 12px 16px; text-align: center;">
2690 - <input type="checkbox"
2691 - class="mxchat-entry-checkbox"
2692 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
2693 - data-source="<?php echo esc_attr($data_source); ?>"
2694 - data-source-url="<?php echo esc_attr($prompt->source_url ?? ''); ?>"
2695 - data-is-group="false"
2696 - data-chunk-count="1">
2697 - </td>
2698 - <td style="padding: 12px 16px; font-size: 13px;">
2699 - <?php echo esc_html($display_index + (($current_page - 1) * $per_page)); ?>
2700 - </td>
2701 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2702 - <div class="mxchat-accordion-wrapper">
2703 - <div class="mxchat-content-preview">
2704 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2705 - <?php if (mb_strlen($content) > $preview_length) : ?>
2706 - <button class="mxchat-expand-toggle" type="button">
2707 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2708 - </button>
2709 - <?php endif; ?>
2710 - </div>
2711 - <div class="mxchat-content-full" style="display: none;">
2712 - <div class="content-view">
2713 - <?php
2714 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2715 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2716 - echo wp_kses_post(wpautop($content));
2717 - echo '</div>';
2718 - } else {
2719 - echo wp_kses_post(wpautop($content));
2720 - }
2721 - ?>
2722 - </div>
2723 - </div>
2724 - </div>
2725 - </td>
2726 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2727 - <?php
2728 - $actual_source = $source_url;
2729 - if (strpos($source_url, '_ungrouped_') === 0) {
2730 - $actual_source = $prompt->source_url ?? '';
2731 - }
2732 - if (!empty($actual_source) && strpos($actual_source, 'mxchat://') !== 0) : ?>
2733 - <a href="<?php echo esc_url($actual_source); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2734 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2735 - <?php esc_html_e('View', 'mxchat'); ?>
2736 - </a>
2737 - <?php else : ?>
2738 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual', 'mxchat'); ?></span>
2739 - <?php endif; ?>
2740 - </td>
2741 - <td style="padding: 12px 16px;">
2742 - <button type="button" class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-ajax" data-vector-id="<?php echo esc_attr($prompt->id); ?>" data-bot-id="<?php echo esc_attr($current_bot_id); ?>" data-nonce="<?php echo wp_create_nonce('mxchat_delete_pinecone_prompt_nonce'); ?>" style="color: var(--mxch-error);">
2743 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2744 - </button>
2745 - </td>
2746 - </tr>
2747 - <?php
2748 - }
2749 - }
2750 - }
2751 - $html = ob_get_clean();
2752 -
2753 - // Generate pagination HTML for Pinecone
2754 - $total_pages = ceil($total_records / $per_page);
2755 - $pagination_html = '';
2756 - if ($total_pages > 1) {
2757 - $pagination_html = '<div class="mxchat-ajax-pagination" data-current-page="' . esc_attr($page) . '" data-total-pages="' . esc_attr($total_pages) . '" data-search="' . esc_attr($search_query) . '" data-content-type="' . esc_attr($content_type_filter) . '">';
2758 -
2759 - // Previous button
2760 - if ($page > 1) {
2761 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page - 1) . '">' . esc_html__('&laquo; Previous', 'mxchat') . '</a> ';
2762 - }
2763 -
2764 - // Page numbers
2765 - $start_page = max(1, $page - 2);
2766 - $end_page = min($total_pages, $page + 2);
2767 -
2768 - if ($start_page > 1) {
2769 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="1">1</a> ';
2770 - if ($start_page > 2) {
2771 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2772 - }
2773 - }
2774 -
2775 - for ($i = $start_page; $i <= $end_page; $i++) {
2776 - if ($i == $page) {
2777 - $pagination_html .= '<span class="mxchat-page-current">' . $i . '</span> ';
2778 - } else {
2779 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $i . '">' . $i . '</a> ';
2780 - }
2781 - }
2782 -
2783 - if ($end_page < $total_pages) {
2784 - if ($end_page < $total_pages - 1) {
2785 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2786 - }
2787 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $total_pages . '">' . $total_pages . '</a> ';
2788 - }
2789 -
2790 - // Next button
2791 - if ($page < $total_pages) {
2792 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page + 1) . '">' . esc_html__('Next &raquo;', 'mxchat') . '</a>';
2793 - }
2794 -
2795 - $pagination_html .= '</div>';
2796 - }
2797 -
2798 - wp_send_json_success(array(
2799 - 'html' => $html,
2800 - 'pagination_html' => $pagination_html,
2801 - 'total_count' => $total_records,
2802 - 'total_pages' => $total_pages,
2803 - 'page' => $page,
2804 - 'per_page' => $per_page,
2805 - 'data_source' => 'pinecone'
2806 - ));
2807 -}
2808 -
2809 -/**
2810 - * AJAX handler for pagination - handles both WordPress DB and Pinecone data sources
2811 - * Returns paginated entries without requiring a full page reload
2812 - */
2813 -public function ajax_mxchat_paginate_entries() {
2814 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
2815 -
2816 - if (!current_user_can('manage_options')) {
2817 - wp_send_json_error(array('message' => 'Unauthorized'));
2818 - return;
2819 - }
2820 -
2821 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
2822 - $page = isset($_POST['page']) ? absint($_POST['page']) : 1;
2823 - $search_query = isset($_POST['search']) ? sanitize_text_field($_POST['search']) : '';
2824 - $content_type_filter = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : '';
2825 - $per_page = 25;
2826 -
2827 - // Check if Pinecone is enabled for this bot
2828 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
2829 - $pinecone_options = $pinecone_manager ? $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id) : array();
2830 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2831 - $has_pinecone_api = !empty($pinecone_options['mxchat_pinecone_api_key']);
2832 -
2833 - if ($use_pinecone && $has_pinecone_api) {
2834 - // Delegate to Pinecone pagination handler (pass search params)
2835 - $_POST['page'] = $page;
2836 - $_POST['search'] = $search_query;
2837 - $_POST['content_type'] = $content_type_filter;
2838 - $this->ajax_mxchat_refresh_pinecone_entries();
2839 - return;
2840 - }
2841 -
2842 - // WordPress DB pagination - MUST match initial page load logic exactly
2843 - global $wpdb;
2844 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2845 - $offset = ($page - 1) * $per_page;
2846 -
2847 - // Build WHERE clause for search and content type filtering
2848 - $where_clauses = array();
2849 - $where_values = array();
2850 -
2851 - if ($search_query) {
2852 - $where_clauses[] = "article_content LIKE %s";
2853 - $where_values[] = '%' . $wpdb->esc_like($search_query) . '%';
2854 - }
2855 -
2856 - if ($content_type_filter) {
2857 - switch ($content_type_filter) {
2858 - case 'manual':
2859 - $where_clauses[] = "(source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')";
2860 - break;
2861 - case 'pdf':
2862 - $where_clauses[] = "source_url LIKE '%.pdf'";
2863 - break;
2864 - case 'url':
2865 - $where_clauses[] = "source_url != '' AND source_url IS NOT NULL AND source_url NOT LIKE 'mxchat://%' AND source_url NOT LIKE '%.pdf'";
2866 - break;
2867 - }
2868 - }
2869 -
2870 - $where_sql = !empty($where_clauses) ? 'WHERE ' . implode(' AND ', $where_clauses) : '';
2871 -
2872 - // Count grouped entries with filters applied
2873 - if (!empty($where_values)) {
2874 - $count_args = array_merge($where_values, $where_values);
2875 - $count_query = $wpdb->prepare(
2876 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} {$where_sql} AND source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2877 - (SELECT COUNT(*) FROM {$table_name} {$where_sql} AND (source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%'))",
2878 - ...$count_args
2879 - );
2880 - $total_records = $wpdb->get_var($count_query);
2881 - } else if (!empty($where_sql)) {
2882 - // Content type filter only (no search), no prepared values needed
2883 - $total_records = $wpdb->get_var(
2884 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} {$where_sql} AND source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2885 - (SELECT COUNT(*) FROM {$table_name} {$where_sql} AND (source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%'))"
2886 - );
2887 - } else {
2888 - // No filters
2889 - $total_records = $wpdb->get_var(
2890 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} WHERE source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2891 - (SELECT COUNT(*) FROM {$table_name} WHERE source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')"
2892 - );
2893 - }
2894 - $total_pages = ceil($total_records / $per_page);
2895 -
2896 - // Step 1: Get unique source_urls for this page (ordered by latest timestamp) with filters
2897 - if (!empty($where_values)) {
2898 - $query_args = array_merge($where_values, array($per_page, $offset));
2899 - $urls_query = $wpdb->prepare(
2900 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2901 - {$where_sql}
2902 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2903 - ...$query_args
2904 - );
2905 - } else if (!empty($where_sql)) {
2906 - $urls_query = $wpdb->prepare(
2907 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2908 - {$where_sql}
2909 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2910 - $per_page, $offset
2911 - );
2912 - } else {
2913 - $urls_query = $wpdb->prepare(
2914 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2915 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2916 - $per_page, $offset
2917 - );
2918 - }
2919 - $page_urls = $wpdb->get_results($urls_query);
2920 -
2921 - // Step 2: Build list of source_urls to fetch
2922 - $url_list = array();
2923 - $url_order_map = array();
2924 - $order_index = 0;
2925 - foreach ($page_urls as $url_row) {
2926 - $url = $url_row->source_url;
2927 - $url_list[] = $url;
2928 - $url_order_map[$url] = $order_index++;
2929 - }
2930 -
2931 - // Step 3: Fetch all rows for these source_urls (with search filter if applicable)
2932 - $prompts = array();
2933 - if (!empty($url_list)) {
2934 - $placeholders = implode(',', array_fill(0, count($url_list), '%s'));
2935 - if ($search_query) {
2936 - // Include search filter in the final fetch
2937 - $prompts_query = $wpdb->prepare(
2938 - "SELECT id, article_content, source_url, timestamp, role_restriction
2939 - FROM {$table_name}
2940 - WHERE source_url IN ($placeholders) AND article_content LIKE %s
2941 - ORDER BY timestamp DESC",
2942 - ...array_merge($url_list, ['%' . $wpdb->esc_like($search_query) . '%'])
2943 - );
2944 - } else {
2945 - $prompts_query = $wpdb->prepare(
2946 - "SELECT id, article_content, source_url, timestamp, role_restriction
2947 - FROM {$table_name}
2948 - WHERE source_url IN ($placeholders)
2949 - ORDER BY timestamp DESC",
2950 - $url_list
2951 - );
2952 - }
2953 - $prompts = $wpdb->get_results($prompts_query);
2954 - }
2955 -
2956 - // Group prompts by source_url for chunk display
2957 - $grouped_prompts = array();
2958 - foreach ($prompts as $prompt) {
2959 - $source_url = $prompt->source_url ?? '';
2960 -
2961 - // Parse chunk metadata using the proper chunker method (same as initial page load)
2962 - if (class_exists('MxChat_Chunker')) {
2963 - $chunk_meta = MxChat_Chunker::parse_stored_chunk($prompt->article_content);
2964 - $prompt->chunk_metadata = $chunk_meta['metadata'];
2965 - $prompt->display_content = $chunk_meta['text'];
2966 - } else {
2967 - $prompt->chunk_metadata = array();
2968 - $prompt->display_content = $prompt->article_content;
2969 - }
2970 -
2971 - if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0) {
2972 - if (!isset($grouped_prompts[$source_url])) {
2973 - $grouped_prompts[$source_url] = array();
2974 - }
2975 - $grouped_prompts[$source_url][] = $prompt;
2976 - } else {
2977 - // Ungrouped entries
2978 - $grouped_prompts['_ungrouped_' . $prompt->id] = array($prompt);
2979 - }
2980 - }
2981 -
2982 - // Sort groups by the original URL order (newest first)
2983 - uksort($grouped_prompts, function($a, $b) use ($url_order_map) {
2984 - $order_a = isset($url_order_map[$a]) ? $url_order_map[$a] : PHP_INT_MAX;
2985 - $order_b = isset($url_order_map[$b]) ? $url_order_map[$b] : PHP_INT_MAX;
2986 - return $order_a - $order_b;
2987 - });
2988 -
2989 - // Sort each group internally by chunk_index
2990 - foreach ($grouped_prompts as $source_url => &$group) {
2991 - usort($group, function($a, $b) {
2992 - $index_a = isset($a->chunk_metadata['chunk_index']) ? intval($a->chunk_metadata['chunk_index']) : 0;
2993 - $index_b = isset($b->chunk_metadata['chunk_index']) ? intval($b->chunk_metadata['chunk_index']) : 0;
2994 - return $index_a - $index_b;
2995 - });
2996 - }
2997 - unset($group);
2998 -
2999 - // Build HTML for the table rows
3000 - ob_start();
3001 - $display_index = 0;
3002 - $current_page = $page;
3003 - $data_source = 'wordpress';
3004 - $current_bot_id = $bot_id;
3005 - $preview_length = 150;
3006 -
3007 - if (empty($grouped_prompts)) {
3008 - echo '<tr><td colspan="5" style="padding: 40px; text-align: center; color: var(--mxch-text-muted);">';
3009 - esc_html_e('No knowledge entries found. Use the Import Options to add content.', 'mxchat');
3010 - echo '</td></tr>';
3011 - } else {
3012 - foreach ($grouped_prompts as $source_url => $group) {
3013 - $chunk_count = count($group);
3014 - $first_prompt = $group[0];
3015 - $display_index++;
3016 -
3017 - if ($chunk_count > 1) {
3018 - // Multiple chunks - show grouped row with expand button
3019 - $group_id = 'group-' . md5($source_url);
3020 - ?>
3021 - <tr id="prompt-<?php echo esc_attr($first_prompt->id); ?>"
3022 - class="mxchat-chunk-group-header"
3023 - data-source="<?php echo esc_attr($data_source); ?>"
3024 - data-group-id="<?php echo esc_attr($group_id); ?>"
3025 - style="border-bottom: 1px solid var(--mxch-card-border);">
3026 - <td style="padding: 12px 16px; text-align: center;">
3027 - <input type="checkbox"
3028 - class="mxchat-entry-checkbox"
3029 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
3030 - data-source="<?php echo esc_attr($data_source); ?>"
3031 - data-source-url="<?php echo esc_attr($source_url); ?>"
3032 - data-is-group="true"
3033 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>">
3034 - </td>
3035 - <td style="padding: 12px 16px; font-size: 13px;">
3036 - <?php echo esc_html($first_prompt->id); ?>
3037 - </td>
3038 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
3039 - <div class="mxchat-chunk-group-info">
3040 - <button type="button" class="mxchat-chunk-toggle" data-group-id="<?php echo esc_attr($group_id); ?>">
3041 - <span class="dashicons dashicons-arrow-right-alt2"></span>
3042 - </button>
3043 - <span class="mxchat-chunk-badge"><?php echo esc_html($chunk_count); ?> <?php esc_html_e('chunks', 'mxchat'); ?></span>
3044 - <span class="mxchat-chunk-preview">
3045 - <?php
3046 - $parent_content = isset($first_prompt->display_content) ? $first_prompt->display_content : $first_prompt->article_content;
3047 - $content_preview = mb_substr($parent_content, 0, 100);
3048 - echo esc_html($content_preview . '...');
3049 - ?>
3050 - </span>
3051 - </div>
3052 - </td>
3053 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
3054 - <?php if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0 && strpos($source_url, '_ungrouped_') !== 0) : ?>
3055 - <a href="<?php echo esc_url($source_url); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
3056 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
3057 - <?php esc_html_e('View Source', 'mxchat'); ?>
3058 - </a>
3059 - <?php else : ?>
3060 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual Content', 'mxchat'); ?></span>
3061 - <?php endif; ?>
3062 - </td>
3063 - <td class="mxchat-actions-cell" style="padding: 12px 16px; white-space: nowrap;">
3064 - <?php if ($data_source !== 'pinecone') : ?>
3065 - <button type="button"
3066 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
3067 - data-source-url="<?php echo esc_attr($source_url); ?>"
3068 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
3069 - data-data-source="<?php echo esc_attr($data_source); ?>"
3070 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
3071 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
3072 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
3073 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
3074 - </button>
3075 - <?php endif; ?>
3076 - <button type="button"
3077 - class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-group"
3078 - data-source-url="<?php echo esc_attr($source_url); ?>"
3079 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>"
3080 - data-data-source="<?php echo esc_attr($data_source); ?>"
3081 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
3082 - data-nonce="<?php echo wp_create_nonce('mxchat_delete_chunks_nonce'); ?>"
3083 - style="color: var(--mxch-error);"
3084 - title="<?php esc_attr_e('Delete all chunks', 'mxchat'); ?>">
3085 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
3086 - </button>
3087 - </td>
3088 - </tr>
3089 - <?php
3090 - // Render hidden chunk rows
3091 - foreach ($group as $chunk_index => $chunk) {
3092 - $meta_chunk_index = isset($chunk->chunk_metadata['chunk_index']) ? intval($chunk->chunk_metadata['chunk_index']) : $chunk_index;
3093 - $meta_total_chunks = isset($chunk->chunk_metadata['total_chunks']) ? intval($chunk->chunk_metadata['total_chunks']) : $chunk_count;
3094 - $content = isset($chunk->display_content) ? $chunk->display_content : $chunk->article_content;
3095 - $content_preview = mb_strlen($content) > $preview_length
3096 - ? mb_substr($content, 0, $preview_length) . '...'
3097 - : $content;
3098 - ?>
3099 - <tr id="prompt-<?php echo esc_attr($chunk->id); ?>"
3100 - class="mxchat-chunk-row <?php echo esc_attr($group_id); ?>"
3101 - data-source="<?php echo esc_attr($data_source); ?>"
3102 - style="display: none; background: #f8f9fa; border-bottom: 1px solid var(--mxch-card-border);">
3103 - <td style="padding: 12px 16px; text-align: center;">
3104 - <!-- Checkbox column placeholder for chunks (managed by group) -->
3105 - </td>
3106 - <td style="padding: 12px 16px 12px 30px; font-size: 13px;">
3107 - <!-- Hidden ID column for chunks -->
3108 - </td>
3109 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
3110 - <div class="mxchat-accordion-wrapper">
3111 - <div class="mxchat-content-preview">
3112 - <span class="mxchat-chunk-indicator" style="margin-right: 10px; color: var(--mxch-text-secondary); font-size: 12px;">
3113 - <?php printf(esc_html__('Chunk %d of %d', 'mxchat'), $meta_chunk_index + 1, $meta_total_chunks); ?>
3114 - </span>
3115 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
3116 - <?php if (mb_strlen($content) > $preview_length) : ?>
3117 - <button class="mxchat-expand-toggle" type="button">
3118 - <span class="dashicons dashicons-arrow-down-alt2"></span>
3119 - </button>
3120 - <?php endif; ?>
3121 - </div>
3122 - <div class="mxchat-content-full" style="display: none;">
3123 - <div class="content-view">
3124 - <?php
3125 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
3126 - echo '<div dir="rtl" lang="he" class="rtl-content">';
3127 - echo wp_kses_post(wpautop($content));
3128 - echo '</div>';
3129 - } else {
3130 - echo wp_kses_post(wpautop($content));
3131 - }
3132 - ?>
3133 - </div>
3134 - </div>
3135 - </div>
3136 - </td>
3137 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
3138 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Same as parent', 'mxchat'); ?></span>
3139 - </td>
3140 - <td class="mxchat-actions-cell" style="padding: 12px 16px;">
3141 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Managed by group', 'mxchat'); ?></span>
3142 - </td>
3143 - </tr>
3144 - <?php
3145 - }
3146 - } else {
3147 - // Single entry - display normally with accordion
3148 - $prompt = $first_prompt;
3149 - $content = isset($prompt->display_content) ? $prompt->display_content : $prompt->article_content;
3150 - $content_preview = mb_strlen($content) > $preview_length
3151 - ? mb_substr($content, 0, $preview_length) . '...'
3152 - : $content;
3153 - ?>
3154 - <tr id="prompt-<?php echo esc_attr($prompt->id); ?>"
3155 - data-source="<?php echo esc_attr($data_source); ?>"
3156 - style="border-bottom: 1px solid var(--mxch-card-border);">
3157 - <td style="padding: 12px 16px; text-align: center;">
3158 - <input type="checkbox"
3159 - class="mxchat-entry-checkbox"
3160 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
3161 - data-source="<?php echo esc_attr($data_source); ?>"
3162 - data-source-url="<?php echo esc_attr($source_url); ?>"
3163 - data-is-group="false">
3164 - </td>
3165 - <td style="padding: 12px 16px; font-size: 13px;">
3166 - <?php echo esc_html($prompt->id); ?>
3167 - </td>
3168 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
3169 - <div class="mxchat-accordion-wrapper">
3170 - <div class="mxchat-content-preview">
3171 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
3172 - <?php if (mb_strlen($content) > $preview_length) : ?>
3173 - <button class="mxchat-expand-toggle" type="button">
3174 - <span class="dashicons dashicons-arrow-down-alt2"></span>
3175 - </button>
3176 - <?php endif; ?>
3177 - </div>
3178 - <div class="mxchat-content-full" style="display: none;">
3179 - <div class="content-view">
3180 - <?php
3181 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
3182 - echo '<div dir="rtl" lang="he" class="rtl-content">';
3183 - echo wp_kses_post(wpautop($content));
3184 - echo '</div>';
3185 - } else {
3186 - echo wp_kses_post(wpautop($content));
3187 - }
3188 - ?>
3189 - </div>
3190 - </div>
3191 - </div>
3192 - </td>
3193 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
3194 - <?php
3195 - $actual_source = $source_url;
3196 - if (strpos($source_url, '_ungrouped_') === 0) {
3197 - $actual_source = $prompt->source_url ?? '';
3198 - }
3199 - if (!empty($actual_source) && strpos($actual_source, 'mxchat://') !== 0) : ?>
3200 - <a href="<?php echo esc_url($actual_source); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
3201 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
3202 - <?php esc_html_e('View', 'mxchat'); ?>
3203 - </a>
3204 - <?php else : ?>
3205 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual', 'mxchat'); ?></span>
3206 - <?php endif; ?>
3207 - </td>
3208 - <td style="padding: 12px 16px; white-space: nowrap;">
3209 - <button type="button"
3210 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
3211 - data-source-url="<?php echo esc_attr($prompt->source_url ?? ''); ?>"
3212 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
3213 - data-data-source="<?php echo esc_attr($data_source); ?>"
3214 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
3215 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
3216 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
3217 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
3218 - </button>
3219 - <button type="button" class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-wordpress" data-entry-id="<?php echo esc_attr($prompt->id); ?>" data-bot-id="<?php echo esc_attr($current_bot_id); ?>" data-nonce="<?php echo wp_create_nonce('mxchat_delete_wordpress_prompt_nonce'); ?>" style="color: var(--mxch-error);">
3220 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
3221 - </button>
3222 - </td>
3223 - </tr>
3224 - <?php
3225 - }
3226 - }
3227 - }
3228 - $html = ob_get_clean();
3229 -
3230 - // Generate pagination HTML (include search/filter data for subsequent pages)
3231 - $pagination_html = '';
3232 - if ($total_pages > 1) {
3233 - $pagination_html = '<div class="mxchat-ajax-pagination" data-current-page="' . esc_attr($page) . '" data-total-pages="' . esc_attr($total_pages) . '" data-search="' . esc_attr($search_query) . '" data-content-type="' . esc_attr($content_type_filter) . '">';
3234 -
3235 - // Previous button
3236 - if ($page > 1) {
3237 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page - 1) . '">' . esc_html__('&laquo; Previous', 'mxchat') . '</a> ';
3238 - }
3239 -
3240 - // Page numbers
3241 - $start_page = max(1, $page - 2);
3242 - $end_page = min($total_pages, $page + 2);
3243 -
3244 - if ($start_page > 1) {
3245 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="1">1</a> ';
3246 - if ($start_page > 2) {
3247 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
3248 - }
3249 - }
3250 -
3251 - for ($i = $start_page; $i <= $end_page; $i++) {
3252 - if ($i == $page) {
3253 - $pagination_html .= '<span class="mxchat-page-current">' . $i . '</span> ';
3254 - } else {
3255 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $i . '">' . $i . '</a> ';
3256 - }
3257 - }
3258 -
3259 - if ($end_page < $total_pages) {
3260 - if ($end_page < $total_pages - 1) {
3261 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
3262 - }
3263 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $total_pages . '">' . $total_pages . '</a> ';
3264 - }
3265 -
3266 - // Next button
3267 - if ($page < $total_pages) {
3268 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page + 1) . '">' . esc_html__('Next &raquo;', 'mxchat') . '</a>';
3269 - }
3270 -
3271 - $pagination_html .= '</div>';
3272 - }
3273 -
3274 - wp_send_json_success(array(
3275 - 'html' => $html,
3276 - 'pagination_html' => $pagination_html,
3277 - 'total_count' => $total_records,
3278 - 'total_pages' => $total_pages,
3279 - 'page' => $page,
3280 - 'per_page' => $per_page,
3281 - 'data_source' => 'wordpress'
3282 - ));
3283 -}
3284 -
3285 -/**
3286 - * AJAX handler to detect available sitemaps on the site
3287 - * Optimized for speed - only checks primary sitemap indexes first
3288 - */
3289 -public function ajax_mxchat_detect_sitemaps() {
3290 - check_ajax_referer('mxchat_detect_sitemaps_nonce', 'nonce');
3291 -
3292 - if (!current_user_can('manage_options')) {
3293 - wp_send_json_error(array('message' => 'Unauthorized'));
3294 - return;
3295 - }
3296 -
3297 - $site_url = get_site_url();
3298 - $sitemaps = array();
3299 - $found_index = false;
3300 -
3301 - // Only check the main sitemap index files first (much faster)
3302 - // These are the primary entry points that contain sub-sitemaps
3303 - $primary_indexes = array(
3304 - 'sitemap_index.xml' => 'Yoast SEO / Rank Math', // Yoast & Rank Math
3305 - 'wp-sitemap.xml' => 'WordPress Core', // WordPress Core
3306 - 'sitemap.xml' => 'Standard', // Generic/AIOSEO
3307 - );
3308 -
3309 - foreach ($primary_indexes as $path => $source) {
3310 - $url = trailingslashit($site_url) . $path;
3311 -
3312 - $response = wp_remote_head($url, array(
3313 - 'timeout' => 10,
3314 - 'sslverify' => false,
3315 - 'redirection' => 1,
3316 - 'user-agent' => mxchat_ingest_user_agent(),
3317 - ));
3318 -
3319 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
3320 - // Found a sitemap index - parse it to get sub-sitemaps
3321 - $sub_sitemaps = $this->parse_sitemap_index($url);
3322 - if (!empty($sub_sitemaps)) {
3323 - $sitemaps[] = array(
3324 - 'url' => $url,
3325 - 'type' => 'index',
3326 - 'source' => $source,
3327 - 'sub_sitemaps' => $sub_sitemaps
3328 - );
3329 - $found_index = true;
3330 - // Found a valid index, no need to check others
3331 - break;
3332 - }
3333 - }
3334 - }
3335 -
3336 - // If no sitemap index found, check for standalone sitemaps
3337 - if (!$found_index) {
3338 - $standalone_sitemaps = array(
3339 - 'post-sitemap.xml' => array('type' => 'content', 'source' => 'Yoast SEO'),
3340 - 'page-sitemap.xml' => array('type' => 'content', 'source' => 'Yoast SEO'),
3341 - );
3342 -
3343 - foreach ($standalone_sitemaps as $path => $info) {
3344 - $url = trailingslashit($site_url) . $path;
3345 -
3346 - $response = wp_remote_head($url, array(
3347 - 'timeout' => 2,
3348 - 'sslverify' => false
3349 - ));
3350 -
3351 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
3352 - $sitemaps[] = array(
3353 - 'url' => $url,
3354 - 'type' => $info['type'],
3355 - 'source' => $info['source'],
3356 - 'url_count' => 0 // Skip URL count for speed
3357 - );
3358 - }
3359 - }
3360 - }
3361 -
3362 - wp_send_json_success(array(
3363 - 'sitemaps' => $sitemaps,
3364 - 'site_url' => $site_url
3365 - ));
3366 -}
3367 -
3368 -/**
3369 - * Parse a sitemap index to get sub-sitemaps
3370 - * Optimized: doesn't fetch URL count for each sub-sitemap (too slow)
3371 - */
3372 -private function parse_sitemap_index($url) {
3373 - $sub_sitemaps = array();
3374 -
3375 - $response = wp_remote_get($url, array(
3376 - 'timeout' => 30,
3377 - 'sslverify' => false,
3378 - 'user-agent' => mxchat_ingest_user_agent(),
3379 - 'headers' => array(
3380 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
3381 - ),
3382 - ));
3383 -
3384 - if (is_wp_error($response)) {
3385 - return $sub_sitemaps;
3386 - }
3387 -
3388 - $body = wp_remote_retrieve_body($response);
3389 - if (empty($body)) {
3390 - return $sub_sitemaps;
3391 - }
3392 -
3393 - // Suppress XML errors
3394 - libxml_use_internal_errors(true);
3395 - $xml = simplexml_load_string($body);
3396 - libxml_clear_errors();
3397 -
3398 - if ($xml === false) {
3399 - return $sub_sitemaps;
3400 - }
3401 -
3402 - // Check if it's a sitemap index (contains <sitemap> elements)
3403 - if (isset($xml->sitemap)) {
3404 - foreach ($xml->sitemap as $sitemap) {
3405 - $loc = (string) $sitemap->loc;
3406 - if (!empty($loc)) {
3407 - // Try to determine the type from the URL
3408 - $type = 'content';
3409 - if (strpos($loc, 'category') !== false || strpos($loc, 'tag') !== false || strpos($loc, 'taxonomy') !== false) {
3410 - $type = 'taxonomy';
3411 - } elseif (strpos($loc, 'author') !== false || strpos($loc, 'user') !== false) {
3412 - $type = 'author';
3413 - }
3414 -
3415 - // Skip URL count - too slow to fetch for each sitemap
3416 - $sub_sitemaps[] = array(
3417 - 'url' => $loc,
3418 - 'type' => $type,
3419 - 'url_count' => 0, // Don't fetch - takes too long
3420 - 'name' => basename(parse_url($loc, PHP_URL_PATH))
3421 - );
3422 - }
3423 - }
3424 - }
3425 -
3426 - return $sub_sitemaps;
3427 -}
3428 -
3429 -/**
3430 - * Get URL count from a sitemap
3431 - */
3432 -private function get_sitemap_url_count($url) {
3433 - $response = wp_remote_get($url, array(
3434 - 'timeout' => 30,
3435 - 'sslverify' => false,
3436 - 'user-agent' => mxchat_ingest_user_agent(),
3437 - 'headers' => array(
3438 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
3439 - ),
3440 - ));
3441 -
3442 - if (is_wp_error($response)) {
3443 - return 0;
3444 - }
3445 -
3446 - $body = wp_remote_retrieve_body($response);
3447 - if (empty($body)) {
3448 - return 0;
3449 - }
3450 -
3451 - // Count <url> or <loc> elements
3452 - $count = preg_match_all('/<url>/i', $body, $matches);
3453 - return $count ?: 0;
3454 -}
3455 -
3456 -/**
3457 - * Get sitemaps declared in robots.txt
3458 - */
3459 -private function get_sitemaps_from_robots($site_url) {
3460 - $sitemaps = array();
3461 - $robots_url = trailingslashit($site_url) . 'robots.txt';
3462 -
3463 - $response = wp_remote_get($robots_url, array(
3464 - 'timeout' => 15,
3465 - 'sslverify' => false,
3466 - 'user-agent' => mxchat_ingest_user_agent(),
3467 - ));
3468 -
3469 - if (is_wp_error($response)) {
3470 - return $sitemaps;
3471 - }
3472 -
3473 - $body = wp_remote_retrieve_body($response);
3474 - if (empty($body)) {
3475 - return $sitemaps;
3476 - }
3477 -
3478 - // Find Sitemap: declarations
3479 - if (preg_match_all('/^Sitemap:\s*(.+)$/mi', $body, $matches)) {
3480 - foreach ($matches[1] as $sitemap_url) {
3481 - $sitemap_url = trim($sitemap_url);
3482 - if (filter_var($sitemap_url, FILTER_VALIDATE_URL)) {
3483 - $sitemaps[] = $sitemap_url;
3484 - }
3485 - }
3486 - }
3487 -
3488 - return $sitemaps;
3489 -}
3490 -
3491 -public function mxchat_stop_processing() {
3492 - // Verify permissions
3493 - if (!current_user_can('manage_options')) {
3494 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
3495 - }
3496 -
3497 - // Verify nonce
3498 - check_admin_referer('mxchat_stop_processing_action', 'mxchat_stop_processing_nonce');
3499 -
3500 - global $wpdb;
3501 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
3502 -
3503 - // Get active queue IDs
3504 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
3505 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
3506 -
3507 - // Delete all pending items from active queues
3508 - if ($sitemap_queue_id) {
3509 - $wpdb->delete(
3510 - $table_name,
3511 - array(
3512 - 'queue_id' => $sitemap_queue_id,
3513 - 'status' => 'pending'
3514 - ),
3515 - array('%s', '%s')
3516 - );
3517 -
3518 - delete_transient('mxchat_active_queue_sitemap');
3519 - delete_transient('mxchat_last_sitemap_url');
3520 - }
3521 -
3522 - if ($pdf_queue_id) {
3523 - // Get PDF path before deleting
3524 - $pdf_path = $this->mxchat_get_queue_meta($pdf_queue_id, 'pdf_path');
3525 -
3526 - $wpdb->delete(
3527 - $table_name,
3528 - array(
3529 - 'queue_id' => $pdf_queue_id,
3530 - 'status' => 'pending'
3531 - ),
3532 - array('%s', '%s')
3533 - );
3534 -
3535 - // Delete PDF file
3536 - if ($pdf_path && file_exists($pdf_path)) {
3537 - wp_delete_file($pdf_path);
3538 - }
3539 -
3540 - delete_transient('mxchat_active_queue_pdf');
3541 - delete_transient('mxchat_last_pdf_url');
3542 - }
3543 -
3544 - // Redirect back with a success message
3545 - set_transient('mxchat_admin_notice_success',
3546 - esc_html__('Processing has been stopped successfully.', 'mxchat'),
3547 - 30
3548 - );
3549 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3550 - exit;
3551 -}
3552 -
3553 -/**
3554 - * Get content list for processing
3555 - */
3556 -public function ajax_mxchat_get_content_list() {
3557 - // Verify the nonce
3558 - check_ajax_referer('mxchat_content_selector_nonce', 'nonce');
3559 -
3560 - if (!current_user_can('manage_options')) {
3561 - wp_send_json_error(__('Unauthorized access', 'mxchat'));
3562 - }
3563 -
3564 - $page = isset($_GET['page']) ? absint($_GET['page']) : 1;
3565 - $per_page = isset($_GET['per_page']) ? absint($_GET['per_page']) : 100;
3566 - $search = isset($_GET['search']) ? sanitize_text_field($_GET['search']) : '';
3567 - $post_type = isset($_GET['post_type']) ? sanitize_text_field($_GET['post_type']) : 'all';
3568 - $post_status = isset($_GET['post_status']) ? sanitize_text_field($_GET['post_status']) : 'publish';
3569 - $processed_filter = isset($_GET['processed_filter']) ? sanitize_text_field($_GET['processed_filter']) : 'all';
3570 -
3571 - // Build query args
3572 - $args = array(
3573 - 'posts_per_page' => $per_page,
3574 - 'paged' => $page,
3575 - 'post_status' => $post_status !== 'all' ? $post_status : array('publish', 'draft', 'pending'),
3576 - 'orderby' => 'date',
3577 - 'order' => 'DESC',
3578 - );
3579 -
3580 - // Handle post types - IMPROVED VERSION
3581 - if ($post_type !== 'all') {
3582 - $args['post_type'] = $post_type;
3583 - } else {
3584 - // Get all available post types that might contain content
3585 - $all_post_types = array();
3586 -
3587 - // First get all public post types
3588 - $public_types = get_post_types(array('public' => true), 'names');
3589 - $all_post_types = array_merge($all_post_types, $public_types);
3590 -
3591 - // Add common forum/community post types
3592 - $forum_types = array('topic', 'reply', 'forum', 'wpforo_topic', 'wpforo_post');
3593 - foreach ($forum_types as $forum_type) {
3594 - if (post_type_exists($forum_type)) {
3595 - $all_post_types[] = $forum_type;
3596 - }
3597 - }
3598 -
3599 - // Add other commonly used post types
3600 - $common_types = array('product', 'job_listing', 'event', 'portfolio');
3601 - foreach ($common_types as $common_type) {
3602 - if (post_type_exists($common_type)) {
3603 - $all_post_types[] = $common_type;
3604 - }
3605 - }
3606 -
3607 - // Remove duplicates and ensure we have at least some post types
3608 - $all_post_types = array_unique($all_post_types);
3609 -
3610 - if (empty($all_post_types)) {
3611 - // Fallback to basic post types
3612 - $all_post_types = array('post', 'page');
3613 - }
3614 -
3615 - $args['post_type'] = $all_post_types;
3616 -
3617 - // Debug logging to see what post types are being queried
3618 - //error_log('MxChat Debug: Querying post types: ' . implode(', ', $all_post_types));
3619 - }
3620 -
3621 - if (!empty($search)) {
3622 - $args['s'] = $search;
3623 - }
3624 -
3625 - // Get processed data from storage
3626 - $processed_data = array();
3627 -
3628 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3629 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3630 -
3631 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3632 - // Get fresh data from Pinecone - no caching
3633 - $processed_data = $this->mxchat_get_pinecone_processed_content($pinecone_options);
3634 - } else {
3635 - // WordPress DB checking with better URL matching for all post types
3636 - global $wpdb;
3637 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3638 - $processed_items = $wpdb->get_results("SELECT id, source_url, article_content, timestamp FROM {$table_name}");
3639 -
3640 - // Group items by source_url to count chunks
3641 - $url_chunk_counts = array();
3642 - $url_latest_timestamp = array();
3643 - $url_first_id = array();
3644 -
3645 - if (!empty($processed_items)) {
3646 - foreach ($processed_items as $item) {
3647 - $url = $item->source_url;
3648 - if (empty($url)) continue;
3649 -
3650 - // Count chunks per URL
3651 - if (!isset($url_chunk_counts[$url])) {
3652 - $url_chunk_counts[$url] = 0;
3653 - $url_latest_timestamp[$url] = $item->timestamp;
3654 - $url_first_id[$url] = $item->id;
3655 - }
3656 - $url_chunk_counts[$url]++;
3657 -
3658 - // Track latest timestamp
3659 - if (strtotime($item->timestamp) > strtotime($url_latest_timestamp[$url])) {
3660 - $url_latest_timestamp[$url] = $item->timestamp;
3661 - }
3662 - }
3663 -
3664 - // Now build processed_data with chunk counts
3665 - foreach ($url_chunk_counts as $url => $chunk_count) {
3666 - $post_id = $this->mxchat_url_to_post_id_improved($url);
3667 -
3668 - if ($post_id) {
3669 - $processed_data[$post_id] = array(
3670 - 'db_id' => $url_first_id[$url],
3671 - 'timestamp' => $url_latest_timestamp[$url],
3672 - 'url' => $url,
3673 - 'source' => 'wordpress',
3674 - 'chunk_count' => $chunk_count
3675 - );
3676 - }
3677 - }
3678 - }
3679 - }
3680 -
3681 - // Get processed IDs as a simple array for in_array checks
3682 - $processed_ids = array_keys($processed_data);
3683 -
3684 - // Handle processed/unprocessed filter
3685 - if ($processed_filter === 'processed' && !empty($processed_ids)) {
3686 - $args['post__in'] = $processed_ids;
3687 - } elseif ($processed_filter === 'unprocessed' && !empty($processed_ids)) {
3688 - $args['post__not_in'] = $processed_ids;
3689 - }
3690 -
3691 - // Run the query
3692 - $query = new WP_Query($args);
3693 - $content_items = array();
3694 -
3695 - if ($query->have_posts()) {
3696 - while ($query->have_posts()) {
3697 - $query->the_post();
3698 - $id = get_the_ID();
3699 - $post_date = get_the_date();
3700 - $excerpt = wp_trim_words(get_the_excerpt(), 20, '...');
3701 - $word_count = str_word_count(strip_tags(get_the_content()));
3702 -
3703 - $is_processed = in_array($id, $processed_ids);
3704 - $processed_date = '';
3705 - $db_record_id = 0;
3706 - $data_source = 'none';
3707 -
3708 - if ($is_processed && isset($processed_data[$id])) {
3709 - $item_data = $processed_data[$id];
3710 - $data_source = $item_data['source'];
3711 -
3712 - if ($data_source === 'wordpress' && isset($item_data['timestamp'])) {
3713 - // WordPress DB format
3714 - $timestamp = strtotime($item_data['timestamp']);
3715 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
3716 - $db_record_id = $item_data['db_id'];
3717 - } elseif ($data_source === 'pinecone') {
3718 - // Pinecone format
3719 - $processed_date = $item_data['processed_date'];
3720 - $db_record_id = $item_data['db_id'];
3721 - }
3722 - }
3723 -
3724 - // Get chunk count for this item
3725 - $chunk_count = 0;
3726 - if ($is_processed && isset($processed_data[$id]['chunk_count'])) {
3727 - $chunk_count = intval($processed_data[$id]['chunk_count']);
3728 - }
3729 -
3730 - $content_items[] = array(
3731 - 'id' => $id,
3732 - 'title' => get_the_title(),
3733 - 'permalink' => get_permalink(),
3734 - 'date' => $post_date,
3735 - 'type' => get_post_type(),
3736 - 'status' => get_post_status(),
3737 - 'excerpt' => $excerpt,
3738 - 'word_count' => $word_count,
3739 - 'already_processed' => $is_processed,
3740 - 'processed_date' => $processed_date,
3741 - 'db_record_id' => $db_record_id,
3742 - 'data_source' => $data_source,
3743 - 'chunk_count' => $chunk_count
3744 - );
3745 - }
3746 - wp_reset_postdata();
3747 - }
3748 -
3749 - $response = array(
3750 - 'items' => $content_items,
3751 - 'total' => $query->found_posts,
3752 - 'total_pages' => $query->max_num_pages,
3753 - 'current_page' => $page,
3754 - 'processed_count' => count($processed_ids)
3755 - );
3756 -
3757 - wp_send_json_success($response);
3758 - exit;
3759 -}
3760 -
3761 -
3762 -/**
3763 - * This function handles various WooCommerce URL formats and permalink structures
3764 - */
3765 -private function mxchat_url_to_post_id_improved($url) {
3766 - // First try the standard WordPress function
3767 - $post_id = url_to_postid($url);
3768 -
3769 - if ($post_id > 0) {
3770 - return $post_id;
3771 - }
3772 -
3773 - // If that fails, try more aggressive URL matching
3774 - // Remove trailing slashes and query parameters for better matching
3775 - $clean_url = rtrim($url, '/');
3776 - $clean_url = strtok($clean_url, '?'); // Remove query parameters
3777 -
3778 - // Try again with cleaned URL
3779 - $post_id = url_to_postid($clean_url);
3780 - if ($post_id > 0) {
3781 - return $post_id;
3782 - }
3783 -
3784 - // For bbPress forum topics, try extracting slug from URL
3785 - if (strpos($url, '/topic/') !== false || strpos($url, '/forums/') !== false) {
3786 - // Handle bbPress URLs: /forums/topic/topic-name/
3787 - if (preg_match('/\/forums\/topic\/([^\/\?]+)/', $url, $matches)) {
3788 - $topic_slug = $matches[1];
3789 -
3790 - // Look up topic by slug
3791 - $topic = get_page_by_path($topic_slug, OBJECT, 'topic');
3792 - if ($topic) {
3793 - return $topic->ID;
3794 - }
3795 -
3796 - // Alternative method: query by post_name
3797 - global $wpdb;
3798 - $post_id = $wpdb->get_var($wpdb->prepare(
3799 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
3800 - $topic_slug
3801 - ));
3802 -
3803 - if ($post_id) {
3804 - return intval($post_id);
3805 - }
3806 - }
3807 -
3808 - // Handle simpler topic URLs: /topic/topic-name/
3809 - if (preg_match('/\/topic\/([^\/\?]+)/', $url, $matches)) {
3810 - $topic_slug = $matches[1];
3811 -
3812 - global $wpdb;
3813 - $post_id = $wpdb->get_var($wpdb->prepare(
3814 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
3815 - $topic_slug
3816 - ));
3817 -
3818 - if ($post_id) {
3819 - return intval($post_id);
3820 - }
3821 - }
3822 - }
3823 -
3824 - // For WooCommerce products
3825 - if (strpos($url, '/product/') !== false || strpos($url, 'product=') !== false) {
3826 - // Extract product slug from various URL formats
3827 - $product_slug = '';
3828 -
3829 - // Handle pretty permalinks: /product/product-name/
3830 - if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
3831 - $product_slug = $matches[1];
3832 - }
3833 - // Handle query parameters: ?product=product-name
3834 - elseif (preg_match('/[\?&]product=([^&]+)/', $url, $matches)) {
3835 - $product_slug = $matches[1];
3836 - }
3837 -
3838 - if (!empty($product_slug)) {
3839 - // Look up product by slug
3840 - $product = get_page_by_path($product_slug, OBJECT, 'product');
3841 - if ($product) {
3842 - return $product->ID;
3843 - }
3844 -
3845 - // Alternative method: query by post_name
3846 - global $wpdb;
3847 - $post_id = $wpdb->get_var($wpdb->prepare(
3848 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'product' AND post_status = 'publish'",
3849 - $product_slug
3850 - ));
3851 -
3852 - if ($post_id) {
3853 - return intval($post_id);
3854 - }
3855 - }
3856 - }
3857 -
3858 - // Generic approach: try to extract slug and match against all post types
3859 - $parsed_url = wp_parse_url($clean_url);
3860 - $path = $parsed_url['path'] ?? '';
3861 -
3862 - if (!empty($path)) {
3863 - // Get the last part of the path as potential slug
3864 - $path_parts = array_filter(explode('/', trim($path, '/')));
3865 - $potential_slug = end($path_parts);
3866 -
3867 - if (!empty($potential_slug)) {
3868 - global $wpdb;
3869 -
3870 - // Try to find any post with this slug
3871 - $post_id = $wpdb->get_var($wpdb->prepare(
3872 - "SELECT ID FROM {$wpdb->posts}
3873 - WHERE post_name = %s
3874 - AND post_status IN ('publish', 'closed', 'private')
3875 - AND post_type NOT IN ('revision', 'attachment', 'nav_menu_item')
3876 - ORDER BY CASE
3877 - WHEN post_type = 'post' THEN 1
3878 - WHEN post_type = 'page' THEN 2
3879 - WHEN post_type = 'topic' THEN 3
3880 - WHEN post_type = 'product' THEN 4
3881 - ELSE 5
3882 - END
3883 - LIMIT 1",
3884 - $potential_slug
3885 - ));
3886 -
3887 - if ($post_id) {
3888 - return intval($post_id);
3889 - }
3890 - }
3891 - }
3892 -
3893 - // ADDITIONAL: Try direct database lookup by URL variations
3894 - global $wpdb;
3895 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3896 -
3897 - // Try variations of the URL (with/without trailing slash, http/https)
3898 - $url_variations = array(
3899 - $url,
3900 - rtrim($url, '/'),
3901 - $url . '/',
3902 - str_replace('http://', 'https://', $url),
3903 - str_replace('https://', 'http://', $url),
3904 - str_replace('http://', 'https://', rtrim($url, '/')),
3905 - str_replace('https://', 'http://', rtrim($url, '/'))
3906 - );
3907 -
3908 - // Remove duplicates
3909 - $url_variations = array_unique($url_variations);
3910 -
3911 - foreach ($url_variations as $variation) {
3912 - $existing_record = $wpdb->get_row($wpdb->prepare(
3913 - "SELECT id, source_url FROM $table_name WHERE source_url = %s",
3914 - $variation
3915 - ));
3916 -
3917 - if ($existing_record) {
3918 - // Try to get post ID from this stored URL
3919 - $stored_post_id = url_to_postid($existing_record->source_url);
3920 - if ($stored_post_id > 0) {
3921 - return $stored_post_id;
3922 - }
3923 - }
3924 - }
3925 -
3926 - return 0; // No match found
3927 -}
3928 -/**
3929 - * Process selected content via AJAX
3930 - */
3931 -public function ajax_mxchat_process_selected_content() {
3932 - // Basic request validation
3933 - if (!check_ajax_referer('mxchat_content_selector_nonce', 'nonce', false)) {
3934 - wp_send_json_error('Invalid nonce');
3935 - exit;
3936 - }
3937 -
3938 - if (!current_user_can('manage_options')) {
3939 - wp_send_json_error('Unauthorized access');
3940 - exit;
3941 - }
3942 -
3943 - // Get post IDs - safely parse the array
3944 - $post_ids = array();
3945 - if (isset($_POST['post_ids']) && is_array($_POST['post_ids'])) {
3946 - foreach ($_POST['post_ids'] as $id) {
3947 - $post_ids[] = absint($id);
3948 - }
3949 - }
3950 -
3951 - if (empty($post_ids)) {
3952 - wp_send_json_error('No content selected');
3953 - exit;
3954 - }
3955 -
3956 - // Get bot_id from request
3957 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
3958 -
3959 - // ACF→PDF extraction is opt-in per import batch. Persist the last-used value so users
3960 - // don't re-check on every batch; the default is OFF for installs that haven't set it.
3961 - $extract_acf_pdfs = !empty($_POST['extract_acf_pdfs']) && $_POST['extract_acf_pdfs'] !== 'false';
3962 - $mxchat_options = get_option('mxchat_options', array());
3963 - if (!is_array($mxchat_options)) {
3964 - $mxchat_options = array();
3965 - }
3966 - $prior_default = !empty($mxchat_options['acf_pdf_extract_default']);
3967 - if ($prior_default !== $extract_acf_pdfs) {
3968 - $mxchat_options['acf_pdf_extract_default'] = $extract_acf_pdfs ? 1 : 0;
3969 - update_option('mxchat_options', $mxchat_options);
3970 - }
3971 -
3972 - // Process only ONE post at a time to avoid request size issues
3973 - $post_id = reset($post_ids);
3974 - $post = get_post($post_id);
3975 -
3976 - if (!$post) {
3977 - wp_send_json_error('Post not found');
3978 - exit;
3979 - }
3980 -
3981 - // Allow developers to modify post data before processing into knowledge base
3982 - $post = apply_filters('mxchat_before_process_post', $post, $bot_id);
3983 -
3984 - // Get content including title, short description (for WooCommerce), and main content
3985 - $content = $post->post_title . "\n\n";
3986 -
3987 - // Add short description if it exists (WooCommerce products use post_excerpt for short description)
3988 - if (!empty($post->post_excerpt)) {
3989 - // Remove shortcode tags but preserve content inside them
3990 - $clean_excerpt = $this->strip_shortcode_tags_preserve_content($post->post_excerpt);
3991 - $content .= "Short Description: " . wp_strip_all_tags($clean_excerpt) . "\n\n";
3992 - }
3993 -
3994 - // Add main content - remove shortcode tags but preserve content inside them
3995 - $clean_content = $this->strip_shortcode_tags_preserve_content($post->post_content);
3996 - $content .= wp_strip_all_tags($clean_content);
3997 -
3998 - // ADD WOOCOMMERCE PRODUCT DATA (pricing, stock, categories, custom tabs)
3999 - if (get_post_type($post_id) === 'product' && class_exists('WooCommerce')) {
4000 - $product = wc_get_product($post_id);
4001 -
4002 - if ($product) {
4003 - // Get pricing information
4004 - $regular_price = $product->get_regular_price();
4005 - $sale_price = $product->get_sale_price();
4006 - $price = $product->get_price();
4007 - $sku = $product->get_sku();
4008 -
4009 - // Get currency symbol
4010 - $currency_symbol = get_woocommerce_currency_symbol();
4011 -
4012 - // Add pricing information
4013 - $content .= "\n";
4014 - if (!empty($regular_price)) {
4015 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
4016 - } elseif (!empty($price)) {
4017 - $content .= "Price: " . $currency_symbol . $price . "\n";
4018 - }
4019 -
4020 - if (!empty($sale_price) && $sale_price !== $regular_price) {
4021 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
4022 - }
4023 -
4024 - // Handle variable products - show price range
4025 - if ($product->is_type('variable')) {
4026 - $min_price = $product->get_variation_price('min');
4027 - $max_price = $product->get_variation_price('max');
4028 - if ($min_price !== $max_price) {
4029 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
4030 - }
4031 - }
4032 -
4033 - if (!empty($sku)) {
4034 - $content .= "SKU: " . $sku . "\n";
4035 - }
4036 -
4037 - // Get product categories
4038 - $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
4039 - if (!empty($categories) && !is_wp_error($categories)) {
4040 - $content .= "Categories: " . implode(', ', $categories) . "\n";
4041 - }
4042 - }
4043 -
4044 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
4045 - $custom_tabs = get_post_meta($post_id, 'yikes_woo_products_tabs', true);
4046 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
4047 - foreach ($custom_tabs as $tab) {
4048 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
4049 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
4050 -
4051 - if (!empty($tab_title) && !empty($tab_content)) {
4052 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
4053 - }
4054 - }
4055 - }
4056 -
4057 - // Also check for reusable/saved tabs applied to this product
4058 - $applied_saved_tabs = get_post_meta($post_id, 'yikes_woo_reusable_products_tabs_applied', true);
4059 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
4060 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
4061 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
4062 - foreach ($applied_saved_tabs as $saved_tab_id) {
4063 - if (isset($saved_tabs[$saved_tab_id])) {
4064 - $tab = $saved_tabs[$saved_tab_id];
4065 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
4066 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
4067 -
4068 - if (!empty($tab_title) && !empty($tab_content)) {
4069 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
4070 - }
4071 - }
4072 - }
4073 - }
4074 - }
4075 - }
4076 -
4077 - // ADD ACF FIELDS SUPPORT
4078 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
4079 - $pdf_extracted_count = 0;
4080 - if (!empty($acf_fields)) {
4081 - $acf_content_parts = array();
4082 - $pdf_attachment_ids = array();
4083 -
4084 - foreach ($acf_fields as $field_name => $field_value) {
4085 - $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
4086 -
4087 - if (!empty($formatted_value)) {
4088 - $field_label = ucwords(str_replace('_', ' ', $field_name));
4089 - $acf_content_parts[] = $field_label . ": " . $formatted_value;
4090 - }
4091 -
4092 - // Walk this field's value tree for any PDF attachment references and queue them for extraction.
4093 - // Only when the user opted into ACF→PDF extraction for this batch; otherwise the ACF text
4094 - // still lands in the KB but the heavier PDF parsing is skipped.
4095 - if ($extract_acf_pdfs) {
4096 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($field_value, $pdf_attachment_ids);
4097 - }
4098 - }
4099 -
4100 - if (!empty($acf_content_parts)) {
4101 - $content .= "\n\n" . implode("\n", $acf_content_parts);
4102 - }
4103 -
4104 - // Extract text from each unique PDF found in ACF fields and append as a labeled section
4105 - if ($extract_acf_pdfs && !empty($pdf_attachment_ids)) {
4106 - $pdf_attachment_ids = array_unique(array_filter(array_map('intval', $pdf_attachment_ids)));
4107 - $pdf_sections = array();
4108 - foreach ($pdf_attachment_ids as $att_id) {
4109 - $pdf_text = $this->mxchat_extract_pdf_text_by_attachment_id($att_id);
4110 - if (!empty($pdf_text)) {
4111 - $pdf_title = get_the_title($att_id);
4112 - $pdf_url = wp_get_attachment_url($att_id);
4113 - $header = 'PDF Attachment';
4114 - if (!empty($pdf_title)) {
4115 - $header .= ': ' . $pdf_title;
4116 - }
4117 - if (!empty($pdf_url)) {
4118 - $header .= ' (' . $pdf_url . ')';
4119 - }
4120 - $pdf_sections[] = $header . "\n" . $pdf_text;
4121 - $pdf_extracted_count++;
4122 - }
4123 - }
4124 - if (!empty($pdf_sections)) {
4125 - $content .= "\n\nAttached PDFs:\n" . implode("\n\n", $pdf_sections);
4126 - }
4127 - }
4128 - }
4129 -
4130 - // ADD CUSTOM POST META SUPPORT (whitelisted non-ACF meta fields)
4131 - $custom_meta = $this->mxchat_get_whitelisted_post_meta($post_id);
4132 - if (!empty($custom_meta)) {
4133 - $meta_content_parts = array();
4134 -
4135 - foreach ($custom_meta as $meta_key => $meta_value) {
4136 - // Convert meta key to readable label
4137 - $meta_label = ucwords(str_replace(array('_', '-'), ' ', $meta_key));
4138 - $meta_content_parts[] = $meta_label . ": " . $meta_value;
4139 - }
4140 -
4141 - if (!empty($meta_content_parts)) {
4142 - $content .= "\n\n" . implode("\n", $meta_content_parts);
4143 - }
4144 - }
4145 -
4146 - // Debug logging for WordPress Import content
4147 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Post ID: ' . $post_id . ' Title: ' . $post->post_title);
4148 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Raw post_content length: ' . strlen($post->post_content));
4149 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Final content length: ' . strlen($content));
4150 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Content preview: ' . substr($content, 0, 300));
4151 -
4152 - // Note: Removed 10,000 char limit - chunking now handles large content properly
4153 -
4154 - // Get bot-specific API key
4155 - $bot_options = $this->get_bot_options($bot_id);
4156 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
4157 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4158 -
4159 - if (strpos($selected_model, 'voyage') === 0) {
4160 - $api_key = $options['voyage_api_key'] ?? '';
4161 - $provider_name = 'Voyage AI';
4162 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
4163 - $api_key = $options['gemini_api_key'] ?? '';
4164 - $provider_name = 'Google Gemini';
4165 - } else {
4166 - $api_key = $options['api_key'] ?? '';
4167 - $provider_name = 'OpenAI';
4168 - }
4169 -
4170 - if (empty($api_key)) {
4171 - MxChat_Admin::mxchat_log_debug('api_error', $provider_name . ' API key not configured for knowledge processing');
4172 - wp_send_json_error($provider_name . ' API key not configured');
4173 - exit;
4174 - }
4175 -
4176 - $source_url = get_permalink($post_id);
4177 - $vector_id = md5($source_url); // Vector ID for Pinecone
4178 -
4179 - // Check for existing content in bot-specific storage
4180 - $is_update = false;
4181 -
4182 - // Get bot-specific Pinecone configuration
4183 - $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
4184 - $use_pinecone = !empty($bot_pinecone_config) && ($bot_pinecone_config['use_pinecone'] ?? false);
4185 -
4186 - if ($use_pinecone && !empty($bot_pinecone_config['api_key'])) {
4187 - // Check Pinecone for this bot
4188 - $pinecone_data = $this->mxchat_get_pinecone_processed_content($bot_pinecone_config);
4189 - if (isset($pinecone_data[$post_id])) {
4190 - $is_update = true;
4191 - }
4192 - } else {
4193 - // Check WordPress DB (same as before since it's shared)
4194 - global $wpdb;
4195 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4196 - $existing_record = $wpdb->get_row($wpdb->prepare(
4197 - "SELECT id FROM $table_name WHERE source_url = %s",
4198 - $source_url
4199 - ));
4200 -
4201 - if ($existing_record) {
4202 - $is_update = true;
4203 - }
4204 - }
4205 -
4206 - // UPDATED 2.5.6: Determine content type based on post_type
4207 - $post_type = $post->post_type;
4208 - $content_type = 'content'; // Default fallback
4209 -
4210 - // Map WordPress post types to content types
4211 - switch ($post_type) {
4212 - case 'post':
4213 - $content_type = 'post';
4214 - break;
4215 - case 'page':
4216 - $content_type = 'page';
4217 - break;
4218 - case 'product':
4219 - $content_type = 'product';
4220 - break;
4221 - default:
4222 - // For custom post types, use the post type name
4223 - $content_type = sanitize_key($post_type);
4224 - break;
4225 - }
4226 -
4227 - // Use the centralized utility function with bot_id and content_type
4228 - $result = MxChat_Utils::submit_content_to_db(
4229 - $content,
4230 - $source_url,
4231 - $api_key,
4232 - $vector_id,
4233 - $bot_id,
4234 - $content_type
4235 - );
4236 -
4237 - if (is_wp_error($result)) {
4238 - MxChat_Admin::mxchat_log_debug('storage_error', 'Knowledge storage failed: ' . $result->get_error_message(), array('source_url' => $source_url));
4239 - wp_send_json_error('Storage failed: ' . $result->get_error_message());
4240 - exit;
4241 - }
4242 -
4243 - // Automatically apply role restriction based on tags
4244 - $this->apply_role_restriction_to_post($post_id, $source_url);
4245 -
4246 - $operation_type = $is_update ? 'update' : 'new';
4247 -
4248 - // Count ACF fields for debugging
4249 - $acf_field_count = count($acf_fields);
4250 -
4251 - // Success response with minimal data
4252 - wp_send_json_success(array(
4253 - 'message' => $operation_type === 'update' ? 'Content updated successfully' : 'Content processed successfully',
4254 - 'post_id' => $post_id,
4255 - 'title' => $post->post_title,
4256 - 'operation_type' => $operation_type,
4257 - 'vector_id' => $vector_id,
4258 - 'acf_fields_found' => $acf_field_count,
4259 - 'pdf_extracted_count' => (int) $pdf_extracted_count,
4260 - 'content_preview' => substr($content, 0, 100) . '...',
4261 - 'bot_id' => $bot_id
4262 - ));
4263 - exit;
4264 -}
4265 -
4266 -private function apply_role_restriction_to_post($post_id, $source_url) {
4267 - // Get tag-role mappings
4268 - $mappings = get_option('mxchat_tag_role_mappings', array());
4269 -
4270 - if (empty($mappings)) {
4271 - return; // No mappings, leave as public
4272 - }
4273 -
4274 - // Get all tags for the post
4275 - $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
4276 -
4277 - if (empty($post_tags)) {
4278 - return; // No tags, leave as public
4279 - }
4280 -
4281 - // Determine the highest role restriction based on tags
4282 - $highest_role = 'public';
4283 - $role_hierarchy = array(
4284 - 'public' => 0,
4285 - 'logged_in' => 1,
4286 - 'subscriber' => 2,
4287 - 'contributor' => 3,
4288 - 'author' => 4,
4289 - 'editor' => 5,
4290 - 'administrator' => 6
4291 - );
4292 -
4293 - foreach ($post_tags as $tag_slug) {
4294 - if (isset($mappings[$tag_slug])) {
4295 - $role = $mappings[$tag_slug];
4296 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
4297 - $highest_role = $role;
4298 - }
4299 - }
4300 - }
4301 -
4302 - // If no restricted tags found, return (leave as public)
4303 - if ($highest_role === 'public') {
4304 - return;
4305 - }
4306 -
4307 - // Update the role restriction in the database
4308 - global $wpdb;
4309 -
4310 - // Check if using Pinecone
4311 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4312 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4313 -
4314 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
4315 - // Update Pinecone role restriction
4316 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
4317 - $vector_id = md5($source_url);
4318 -
4319 - $wpdb->replace(
4320 - $roles_table,
4321 - array(
4322 - 'vector_id' => $vector_id,
4323 - 'role_restriction' => $highest_role,
4324 - 'updated_at' => current_time('mysql')
4325 - ),
4326 - array('%s', '%s', '%s')
4327 - );
4328 - } else {
4329 - // Update WordPress DB
4330 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4331 -
4332 - $wpdb->update(
4333 - $table_name,
4334 - array('role_restriction' => $highest_role),
4335 - array('source_url' => $source_url),
4336 - array('%s'),
4337 - array('%s')
4338 - );
4339 - }
4340 -}
4341 -
4342 -public function mxchat_get_public_post_types() {
4343 - // Get all public post types
4344 - $post_types = get_post_types(array('public' => true), 'objects');
4345 - $post_type_options = array();
4346 -
4347 - foreach ($post_types as $post_type) {
4348 - $post_type_options[$post_type->name] = $post_type->label;
4349 - }
4350 -
4351 - // Also include common forum/community post types that might not be marked as public
4352 - $additional_types = array(
4353 - 'topic' => 'Forum Topics (bbPress)',
4354 - 'reply' => 'Forum Replies (bbPress)',
4355 - 'forum' => 'Forums (bbPress)',
4356 - 'wpforo_topic' => 'wpForo Topics',
4357 - 'wpforo_post' => 'wpForo Posts'
4358 - );
4359 -
4360 - foreach ($additional_types as $type_name => $type_label) {
4361 - if (post_type_exists($type_name) && !isset($post_type_options[$type_name])) {
4362 - $post_type_options[$type_name] = $type_label;
4363 - }
4364 - }
4365 -
4366 - return $post_type_options;
4367 -}
4368 -
4369 -/**
4370 - * Retrieves processed content from Pinecone API
4371 - */
4372 -public function mxchat_get_pinecone_processed_content($pinecone_options) {
4373 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4374 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4375 -
4376 - if (empty($api_key) || empty($host)) {
4377 - return array();
4378 - }
4379 -
4380 - $pinecone_data = array();
4381 -
4382 - try {
4383 - // Always get fresh data from Pinecone
4384 - $pinecone_data = $this->mxchat_scan_pinecone_for_processed_content($pinecone_options);
4385 -
4386 - // Method 2: Final fallback - try stats endpoint (if available)
4387 - if (empty($pinecone_data)) {
4388 - $stats_url = "https://{$host}/describe_index_stats";
4389 -
4390 - $response = wp_remote_post($stats_url, array(
4391 - 'headers' => array(
4392 - 'Api-Key' => $api_key,
4393 - 'Content-Type' => 'application/json'
4394 - ),
4395 - 'body' => json_encode(array()),
4396 - 'timeout' => 30
4397 - ));
4398 -
4399 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
4400 - $body = wp_remote_retrieve_body($response);
4401 - $stats_data = json_decode($body, true);
4402 - }
4403 - }
4404 -
4405 - } catch (Exception $e) {
4406 - // Log error but return fresh data only
4407 - }
4408 -
4409 - return $pinecone_data;
4410 -}
4411 -public function mxchat_fetch_pinecone_vectors_by_ids($pinecone_options, $vector_ids) {
4412 - //error_log('=== DEBUG: Starting mxchat_fetch_pinecone_vectors_by_ids ===');
4413 -
4414 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4415 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4416 -
4417 - if (empty($api_key) || empty($host) || empty($vector_ids)) {
4418 - //error_log('DEBUG: Missing parameters for fetch by IDs');
4419 - return array();
4420 - }
4421 -
4422 - try {
4423 - $fetch_url = "https://{$host}/vectors/fetch";
4424 - //error_log('DEBUG: Fetch URL: ' . $fetch_url);
4425 - //error_log('DEBUG: Fetching ' . count($vector_ids) . ' vector IDs');
4426 -
4427 - // Pinecone fetch API allows fetching specific vectors by ID
4428 - $fetch_data = array(
4429 - 'ids' => array_values($vector_ids)
4430 - );
4431 -
4432 - $response = wp_remote_post($fetch_url, array(
4433 - 'headers' => array(
4434 - 'Api-Key' => $api_key,
4435 - 'Content-Type' => 'application/json'
4436 - ),
4437 - 'body' => json_encode($fetch_data),
4438 - 'timeout' => 30
4439 - ));
4440 -
4441 - if (is_wp_error($response)) {
4442 - //error_log('DEBUG: Fetch by IDs WP error: ' . $response->get_error_message());
4443 - return array();
4444 - }
4445 -
4446 - $response_code = wp_remote_retrieve_response_code($response);
4447 - //error_log('DEBUG: Fetch response code: ' . $response_code);
4448 -
4449 - if ($response_code !== 200) {
4450 - $error_body = wp_remote_retrieve_body($response);
4451 - //error_log('DEBUG: Fetch failed with body: ' . $error_body);
4452 - return array();
4453 - }
4454 -
4455 - $body = wp_remote_retrieve_body($response);
4456 - $data = json_decode($body, true);
4457 -
4458 - //error_log('DEBUG: Fetch response structure: ' . print_r(array_keys($data), true));
4459 -
4460 - if (!isset($data['vectors'])) {
4461 - //error_log('DEBUG: No vectors key in response');
4462 - return array();
4463 - }
4464 -
4465 - $processed_data = array();
4466 -
4467 - foreach ($data['vectors'] as $vector_id => $vector_data) {
4468 - $metadata = $vector_data['metadata'] ?? array();
4469 - $source_url = $metadata['source_url'] ?? '';
4470 -
4471 - if (!empty($source_url)) {
4472 - $post_id = url_to_postid($source_url);
4473 - if ($post_id) {
4474 - $created_at = $metadata['created_at'] ?? '';
4475 - $processed_date = 'Recently';
4476 -
4477 - if (!empty($created_at)) {
4478 - $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
4479 - if ($timestamp) {
4480 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
4481 - }
4482 - }
4483 -
4484 - $processed_data[$post_id] = array(
4485 - 'db_id' => $vector_id,
4486 - 'processed_date' => $processed_date,
4487 - 'url' => $source_url,
4488 - 'source' => 'pinecone',
4489 - 'timestamp' => $timestamp ?? current_time('timestamp')
4490 - );
4491 - }
4492 - }
4493 - }
4494 -
4495 - //error_log('DEBUG: Processed ' . count($processed_data) . ' vectors from fetch');
4496 - return $processed_data;
4497 -
4498 - } catch (Exception $e) {
4499 - //error_log('DEBUG: Exception in fetch_pinecone_vectors_by_ids: ' . $e->getMessage());
4500 - return array();
4501 - }
4502 -}
4503 -
4504 -/**
4505 - * Get embedding dimensions based on the selected model.
4506 - */
4507 -private function mxchat_get_embedding_dimensions() {
4508 - $options = get_option('mxchat_options', array());
4509 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4510 -
4511 - $model_dimensions = array(
4512 - 'text-embedding-ada-002' => 1536,
4513 - 'text-embedding-3-small' => 1536,
4514 - 'text-embedding-3-large' => 3072,
4515 - 'voyage-2' => 1024,
4516 - 'voyage-large-2' => 1536,
4517 - 'voyage-3-large' => 2048,
4518 - 'gemini-embedding-001' => 1536,
4519 - );
4520 -
4521 - if (strpos($selected_model, 'voyage-3-large') === 0) {
4522 - $custom_dimensions = $options['voyage_output_dimension'] ?? 2048;
4523 - return intval($custom_dimensions);
4524 - }
4525 -
4526 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4527 - $custom_dimensions = $options['gemini_output_dimension'] ?? 1536;
4528 - return intval($custom_dimensions);
4529 - }
4530 -
4531 - return $model_dimensions[$selected_model] ?? 1536;
4532 -}
4533 -
4534 -/**
4535 - * Scan Pinecone for processed content
4536 - */
4537 -public function mxchat_scan_pinecone_for_processed_content($pinecone_options) {
4538 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4539 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4540 -
4541 - if (empty($api_key) || empty($host)) {
4542 - return array();
4543 - }
4544 -
4545 - try {
4546 - // Use multiple random vectors to get better coverage
4547 - $all_matches = array();
4548 - $seen_ids = array();
4549 -
4550 - // Get correct dimensions for the configured embedding model
4551 - $dimensions = $this->mxchat_get_embedding_dimensions();
4552 -
4553 - // Try 3 different random vectors to get better coverage
4554 - for ($i = 0; $i < 3; $i++) {
4555 - $query_url = "https://{$host}/query";
4556 -
4557 - // Generate a random unit vector instead of zeros
4558 - $random_vector = array();
4559 - for ($j = 0; $j < $dimensions; $j++) {
4560 - $random_vector[] = (rand(-1000, 1000) / 1000.0);
4561 - }
4562 -
4563 - // Normalize the vector to unit length
4564 - $magnitude = sqrt(array_sum(array_map(function($x) { return $x * $x; }, $random_vector)));
4565 - if ($magnitude > 0) {
4566 - $random_vector = array_map(function($x) use ($magnitude) { return $x / $magnitude; }, $random_vector);
4567 - }
4568 -
4569 - $query_data = array(
4570 - 'includeMetadata' => true,
4571 - 'includeValues' => false,
4572 - 'topK' => 10000,
4573 - 'vector' => $random_vector
4574 - );
4575 -
4576 - $response = wp_remote_post($query_url, array(
4577 - 'headers' => array(
4578 - 'Api-Key' => $api_key,
4579 - 'Content-Type' => 'application/json'
4580 - ),
4581 - 'body' => json_encode($query_data),
4582 - 'timeout' => 30
4583 - ));
4584 -
4585 - if (is_wp_error($response)) {
4586 - continue;
4587 - }
4588 -
4589 - $response_code = wp_remote_retrieve_response_code($response);
4590 -
4591 - if ($response_code !== 200) {
4592 - continue;
4593 - }
4594 -
4595 - $body = wp_remote_retrieve_body($response);
4596 - $data = json_decode($body, true);
4597 -
4598 - if (isset($data['matches'])) {
4599 - foreach ($data['matches'] as $match) {
4600 - $match_id = $match['id'] ?? '';
4601 - if (!empty($match_id) && !isset($seen_ids[$match_id])) {
4602 - $all_matches[] = $match;
4603 - $seen_ids[$match_id] = true;
4604 - }
4605 - }
4606 - }
4607 - }
4608 -
4609 - // Convert matches to processed data format, grouping by URL to count chunks
4610 - $processed_data = array();
4611 - $url_chunk_counts = array();
4612 -
4613 - foreach ($all_matches as $match) {
4614 - $metadata = $match['metadata'] ?? array();
4615 - $source_url = $metadata['source_url'] ?? '';
4616 - $match_id = $match['id'] ?? '';
4617 -
4618 - if (!empty($source_url) && !empty($match_id)) {
4619 - $post_id = url_to_postid($source_url);
4620 - if ($post_id) {
4621 - // Count chunks per post_id
4622 - if (!isset($url_chunk_counts[$post_id])) {
4623 - $url_chunk_counts[$post_id] = 0;
4624 - }
4625 - $url_chunk_counts[$post_id]++;
4626 -
4627 - $created_at = $metadata['created_at'] ?? '';
4628 - $processed_date = 'Recently';
4629 -
4630 - if (!empty($created_at)) {
4631 - $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
4632 - if ($timestamp) {
4633 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
4634 - }
4635 - }
4636 -
4637 - // Only store if not already set, or update with newer timestamp
4638 - if (!isset($processed_data[$post_id]) ||
4639 - ($timestamp ?? 0) > ($processed_data[$post_id]['timestamp'] ?? 0)) {
4640 - $processed_data[$post_id] = array(
4641 - 'db_id' => $match_id,
4642 - 'processed_date' => $processed_date,
4643 - 'url' => $source_url,
4644 - 'source' => 'pinecone',
4645 - 'timestamp' => $timestamp ?? current_time('timestamp')
4646 - );
4647 - }
4648 - }
4649 - }
4650 - }
4651 -
4652 - // Add chunk counts to processed data
4653 - foreach ($url_chunk_counts as $post_id => $chunk_count) {
4654 - if (isset($processed_data[$post_id])) {
4655 - $processed_data[$post_id]['chunk_count'] = $chunk_count;
4656 - }
4657 - }
4658 -
4659 - return $processed_data;
4660 -
4661 - } catch (Exception $e) {
4662 - return array();
4663 - }
4664 -}
4665 -/**
4666 - * Generate embeddings from input text for MXChat with bot support
4667 - */
4668 -private function mxchat_generate_embedding($text, $bot_id = 'default') {
4669 - // Enable detailed logging for debugging
4670 - //error_log('[MXCHAT-EMBED] Starting embedding generation for bot: ' . $bot_id . '. Text length: ' . strlen($text) . ' bytes');
4671 - //error_log('[MXCHAT-EMBED] Text preview: ' . substr($text, 0, 100) . '...');
4672 -
4673 - // Get bot-specific options
4674 - $bot_options = $this->get_bot_options($bot_id);
4675 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
4676 -
4677 - // Opt-in: when the custom provider is selected for embeddings, index through
4678 - // the same custom endpoint the query path uses so stored vectors and query
4679 - // vectors share a model. Returns the vector array on success, or an error
4680 - // string on failure (this function's existing failure contract).
4681 - if (isset($options['custom_provider_for_embeddings']) && $options['custom_provider_for_embeddings'] === 'on') {
4682 - if (!class_exists('MxChat_Utils')) {
4683 - require_once dirname(__FILE__) . '/../includes/class-mxchat-utils.php';
4684 - }
4685 - return MxChat_Utils::generate_embedding_custom($text, $options);
4686 - }
4687 -
4688 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4689 - //error_log('[MXCHAT-EMBED] Selected embedding model for bot ' . $bot_id . ': ' . $selected_model);
4690 -
4691 - // Determine provider and endpoint
4692 - if (strpos($selected_model, 'voyage') === 0) {
4693 - $api_key = $options['voyage_api_key'] ?? '';
4694 - $endpoint = 'https://api.voyageai.com/v1/embeddings';
4695 - $provider_name = 'Voyage AI';
4696 - //error_log('[MXCHAT-EMBED] Using Voyage AI API for bot ' . $bot_id);
4697 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
4698 - $api_key = $options['gemini_api_key'] ?? '';
4699 - $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
4700 - $provider_name = 'Google Gemini';
4701 - //error_log('[MXCHAT-EMBED] Using Google Gemini API for bot ' . $bot_id);
4702 - } else {
4703 - $api_key = $options['api_key'] ?? '';
4704 - $endpoint = 'https://api.openai.com/v1/embeddings';
4705 - $provider_name = 'OpenAI';
4706 - //error_log('[MXCHAT-EMBED] Using OpenAI API for bot ' . $bot_id);
4707 - }
4708 -
4709 - //error_log('[MXCHAT-EMBED] Using endpoint: ' . $endpoint);
4710 -
4711 - if (empty($api_key)) {
4712 - $error_message = sprintf('Missing %s API key for bot %s. Please configure your API key in the bot settings.', $provider_name, $bot_id);
4713 - //error_log('[MXCHAT-EMBED] Error: ' . $error_message);
4714 - return $error_message;
4715 - }
4716 -
4717 - // Check if text is too long (for OpenAI, roughly estimate tokens as words/0.75)
4718 - $estimated_tokens = ceil(str_word_count($text) / 0.75);
4719 - //error_log('[MXCHAT-EMBED] Estimated token count: ~' . $estimated_tokens);
4720 -
4721 - if ($estimated_tokens > 8000 && strpos($selected_model, 'voyage') === false && strpos($selected_model, 'gemini-embedding') === false) {
4722 - //error_log('[MXCHAT-EMBED] Warning: Text may exceed OpenAI token limits (8K for most models)');
4723 - // Consider truncating text here
4724 - }
4725 -
4726 - // Prepare request body based on provider
4727 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4728 - // Gemini API format
4729 - $request_body = array(
4730 - 'model' => 'models/' . $selected_model,
4731 - 'content' => array(
4732 - 'parts' => array(
4733 - array('text' => $text)
4734 - )
4735 - )
4736 - );
4737 -
4738 - // Set output dimensionality to 1536 for consistency with other models
4739 - $request_body['outputDimensionality'] = 1536;
4740 - } else {
4741 - // OpenAI/Voyage API format
4742 - $request_body = array(
4743 - 'model' => $selected_model,
4744 - 'input' => $text
4745 - );
4746 -
4747 - // Add output_dimension for voyage-3-large model
4748 - if ($selected_model === 'voyage-3-large') {
4749 - $request_body['output_dimension'] = 2048;
4750 - }
4751 - }
4752 -
4753 - //error_log('[MXCHAT-EMBED] Request prepared with model: ' . $selected_model);
4754 -
4755 - // Prepare headers based on provider
4756 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4757 - // Gemini uses API key as query parameter
4758 - $endpoint .= '?key=' . $api_key;
4759 - $headers = array(
4760 - 'Content-Type' => 'application/json'
4761 - );
4762 - } else {
4763 - // OpenAI/Voyage use Bearer token
4764 - $headers = array(
4765 - 'Authorization' => 'Bearer ' . $api_key,
4766 - 'Content-Type' => 'application/json'
4767 - );
4768 - }
4769 -
4770 - // Make API request
4771 - //error_log('[MXCHAT-EMBED] Sending API request to: ' . $endpoint);
4772 - $response = wp_remote_post($endpoint, array(
4773 - 'body' => wp_json_encode($request_body),
4774 - 'headers' => $headers,
4775 - 'timeout' => 60 // Increased timeout for large inputs
4776 - ));
4777 -
4778 - // Handle wp_remote_post errors
4779 - if (is_wp_error($response)) {
4780 - $error_message = $response->get_error_message();
4781 - //error_log('[MXCHAT-EMBED] WP Remote Post Error: ' . $error_message);
4782 - return 'Connection error: ' . $error_message;
4783 - }
4784 -
4785 - // Get and check HTTP response code
4786 - $http_code = wp_remote_retrieve_response_code($response);
4787 - //error_log('[MXCHAT-EMBED] API Response Code: ' . $http_code);
4788 -
4789 - if ($http_code !== 200) {
4790 - $error_body = wp_remote_retrieve_body($response);
4791 - //error_log('[MXCHAT-EMBED] API Error Response Body: ' . $error_body);
4792 -
4793 - // Try to parse error for more details
4794 - $error_json = json_decode($error_body, true);
4795 - if (json_last_error() === JSON_ERROR_NONE && isset($error_json['error'])) {
4796 - $error_type = $error_json['error']['type'] ?? 'unknown';
4797 - $error_message = $error_json['error']['message'] ?? 'No message';
4798 - //error_log('[MXCHAT-EMBED] API Error Type: ' . $error_type);
4799 - //error_log('[MXCHAT-EMBED] API Error Message: ' . $error_message);
4800 -
4801 - // Customize error message for common API errors
4802 - if ($error_type === 'invalid_request_error' && strpos($error_message, 'API key') !== false) {
4803 - $error_message = sprintf('Invalid %s API key for bot %s. Please check your API key in the bot settings.', $provider_name, $bot_id);
4804 - } elseif ($error_type === 'authentication_error') {
4805 - $error_message = sprintf('%s authentication failed for bot %s. Please verify your API key in the bot settings.', $provider_name, $bot_id);
4806 - }
4807 -
4808 - //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
4809 - return $error_message;
4810 - }
4811 -
4812 - $error_message = sprintf("API Error (HTTP %d): Unable to generate embedding for bot %s", $http_code, $bot_id);
4813 - //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
4814 - return $error_message;
4815 - }
4816 -
4817 - // Parse response body
4818 - $response_body = wp_remote_retrieve_body($response);
4819 - //error_log('[MXCHAT-EMBED] Received response length: ' . strlen($response_body) . ' bytes');
4820 -
4821 - $response_data = json_decode($response_body, true);
4822 -
4823 - if (json_last_error() !== JSON_ERROR_NONE) {
4824 - $error = json_last_error_msg();
4825 - //error_log('[MXCHAT-EMBED] JSON Parse Error: ' . $error);
4826 - //error_log('[MXCHAT-EMBED] Response preview: ' . substr($response_body, 0, 200));
4827 - return "Failed to parse API response: $error";
4828 - }
4829 -
4830 - // Handle different response formats based on provider
4831 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4832 - // Gemini API response format
4833 - if (isset($response_data['embedding']['values'])) {
4834 - $embedding_dimensions = count($response_data['embedding']['values']);
4835 - //error_log('[MXCHAT-EMBED] Successfully extracted Gemini embedding with ' . $embedding_dimensions . ' dimensions');
4836 -
4837 - // Check if embedding dimensions are as expected (should be 1536)
4838 - if ($embedding_dimensions !== 1536) {
4839 - //error_log('[MXCHAT-EMBED] Warning: Unexpected Gemini embedding dimensions: ' . $embedding_dimensions);
4840 - }
4841 -
4842 - return $response_data['embedding']['values'];
4843 - } else {
4844 - //error_log('[MXCHAT-EMBED] Error: No embedding found in Gemini response');
4845 - //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
4846 -
4847 - if (isset($response_data['error'])) {
4848 - $error_message = "Gemini API Error in response: " . wp_json_encode($response_data['error']);
4849 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4850 - return $error_message;
4851 - }
4852 -
4853 - $error_message = "Invalid Gemini API response format: No embedding found";
4854 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4855 - return $error_message;
4856 - }
4857 - } else {
4858 - // OpenAI/Voyage API response format
4859 - if (isset($response_data['data'][0]['embedding'])) {
4860 - $embedding_dimensions = count($response_data['data'][0]['embedding']);
4861 - //error_log('[MXCHAT-EMBED] Successfully extracted embedding with ' . $embedding_dimensions . ' dimensions');
4862 -
4863 - // Check if embedding dimensions are as expected
4864 - if (($selected_model === 'text-embedding-ada-002' && $embedding_dimensions !== 1536) ||
4865 - ($selected_model === 'voyage-3-large' && $embedding_dimensions !== 2048)) {
4866 - //error_log('[MXCHAT-EMBED] Warning: Unexpected embedding dimensions');
4867 - }
4868 -
4869 - return $response_data['data'][0]['embedding'];
4870 - } else {
4871 - //error_log('[MXCHAT-EMBED] Error: No embedding found in response');
4872 - //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
4873 -
4874 - if (isset($response_data['error'])) {
4875 - $error_message = "API Error in response: " . wp_json_encode($response_data['error']);
4876 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4877 - return $error_message;
4878 - }
4879 -
4880 - $error_message = "Invalid API response format: No embedding found";
4881 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4882 - return $error_message;
4883 - }
4884 - }
4885 -}
4886 -
4887 -/**
4888 - * Get bot-specific options for multi-bot functionality
4889 - * Falls back to default options if bot_id is 'default' or multi-bot add-on is not active
4890 - */
4891 -private function get_bot_options($bot_id = 'default') {
4892 - //error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id);
4893 -
4894 - if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
4895 - //error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')");
4896 - return array();
4897 - }
4898 -
4899 - $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
4900 -
4901 - if (!empty($bot_options)) {
4902 - //error_log("MXCHAT DEBUG: Got bot-specific options from filter");
4903 - if (isset($bot_options['similarity_threshold'])) {
4904 - //error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']);
4905 - }
4906 - }
4907 -
4908 - return is_array($bot_options) ? $bot_options : array();
4909 -}
4910 -
4911 -/**
4912 - * Get bot-specific Pinecone configuration
4913 - * Used in the knowledge retrieval functions
4914 - */
4915 -// Also add debugging to your get_bot_pinecone_config function
4916 -private function get_bot_pinecone_config($bot_id = 'default') {
4917 - //error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id);
4918 -
4919 - // If default bot or multi-bot add-on not active, use default Pinecone config
4920 - if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
4921 - //error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')");
4922 - $addon_options = get_option('mxchat_pinecone_addon_options', array());
4923 - $config = array(
4924 - 'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'),
4925 - 'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '',
4926 - 'host' => $addon_options['mxchat_pinecone_host'] ?? '',
4927 - 'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? ''
4928 - );
4929 - //error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false'));
4930 - return $config;
4931 - }
4932 -
4933 - //error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id);
4934 -
4935 - // Hook for multi-bot add-on to provide bot-specific Pinecone config
4936 - $bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
4937 -
4938 - if (!empty($bot_pinecone_config)) {
4939 - //error_log("MXCHAT DEBUG: Got bot-specific config from filter");
4940 - //error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set'));
4941 - //error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set'));
4942 - //error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set'));
4943 - } else {
4944 - //error_log("MXCHAT DEBUG: Filter returned empty config!");
4945 - }
4946 -
4947 - return is_array($bot_pinecone_config) ? $bot_pinecone_config : array();
4948 -}
4949 -
4950 -
4951 -public function mxchat_ajax_dismiss_completed_status() {
4952 - try {
4953 - // Verify the request
4954 - check_ajax_referer('mxchat_status_nonce', 'nonce');
4955 -
4956 - if (!current_user_can('manage_options')) {
4957 - wp_send_json_error('Unauthorized access');
4958 - exit;
4959 - }
4960 -
4961 - $card_type = isset($_POST['card_type']) ? sanitize_text_field($_POST['card_type']) : '';
4962 -
4963 - if ($card_type === 'pdf') {
4964 - // Clear PDF status
4965 - $pdf_url = get_transient('mxchat_last_pdf_url');
4966 - if ($pdf_url) {
4967 - delete_transient('mxchat_pdf_status_' . md5($pdf_url));
4968 - delete_transient('mxchat_last_pdf_url');
4969 - }
4970 - } elseif ($card_type === 'sitemap') {
4971 - // Clear sitemap status
4972 - $sitemap_url = get_transient('mxchat_last_sitemap_url');
4973 - if ($sitemap_url) {
4974 - delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
4975 - delete_transient('mxchat_last_sitemap_url');
4976 - }
4977 - }
4978 -
4979 - wp_send_json_success(array('message' => 'Status dismissed successfully'));
4980 -
4981 - } catch (Exception $e) {
4982 - wp_send_json_error(array('message' => 'Error dismissing status: ' . $e->getMessage()));
4983 - }
4984 -}
4985 -
4986 -/**
4987 - * Render completed status cards on page load
4988 - * This ensures completed processing status persists through page refreshes
4989 - */
4990 -public function mxchat_render_completed_status_cards() {
4991 - $output = '';
4992 -
4993 - // Check for completed PDF status
4994 - $pdf_url = get_transient('mxchat_last_pdf_url');
4995 - if ($pdf_url) {
4996 - $pdf_status = $this->mxchat_get_pdf_processing_status($pdf_url);
4997 - if ($pdf_status && ($pdf_status['status'] === 'complete' || $pdf_status['status'] === 'error')) {
4998 - $output .= $this->mxchat_render_pdf_status_card($pdf_status, $pdf_url);
4999 - }
5000 - }
5001 -
5002 - // Check for completed sitemap status
5003 - $sitemap_url = get_transient('mxchat_last_sitemap_url');
5004 - if ($sitemap_url) {
5005 - $sitemap_status = $this->mxchat_get_sitemap_processing_status($sitemap_url);
5006 - if ($sitemap_status && ($sitemap_status['status'] === 'complete' || $sitemap_status['status'] === 'error')) {
5007 - $output .= $this->mxchat_render_sitemap_status_card($sitemap_status, $sitemap_url);
5008 - }
5009 - }
5010 -
5011 - return $output;
5012 -}
5013 -
5014 -/**
5015 - * Render PDF status card HTML
5016 - */
5017 -private function mxchat_render_pdf_status_card($status, $pdf_url) {
5018 - $html = '<div class="mxchat-status-card" data-card-type="pdf">';
5019 - $html .= '<div class="mxchat-status-header">';
5020 - $html .= '<h4>' . esc_html__('PDF Processing Status', 'mxchat') . '</h4>';
5021 -
5022 - // Add dismiss button for completed status
5023 - if ($status['status'] === 'complete' || $status['status'] === 'error') {
5024 - $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
5025 - }
5026 -
5027 - // Process Batch button for processing status
5028 - if ($status['status'] === 'processing') {
5029 - $html .= '<button type="button" class="mxchat-manual-batch-btn"
5030 - data-process-type="pdf"
5031 - data-url="' . esc_attr($pdf_url) . '">
5032 - ' . esc_html__('Process Batch', 'mxchat') . '</button>';
5033 - }
5034 -
5035 - // Add status badges
5036 - if ($status['status'] === 'error') {
5037 - $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
5038 - } elseif ($status['status'] === 'complete') {
5039 - if ($status['failed_pages'] > 0) {
5040 - $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
5041 - sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_pages']) . '</span>';
5042 - } else {
5043 - $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
5044 - }
5045 - }
5046 -
5047 - $html .= '</div>'; // End header
5048 -
5049 - // Progress bar
5050 - $html .= '<div class="mxchat-progress-bar">';
5051 - $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
5052 - $html .= '</div>';
5053 -
5054 - // Status details
5055 - $html .= '<div class="mxchat-status-details">';
5056 - $html .= '<p>' . sprintf(
5057 - esc_html__('Progress: %d of %d pages (%d%%)', 'mxchat'),
5058 - $status['processed_pages'],
5059 - $status['total_pages'],
5060 - $status['percentage']
5061 - ) . '</p>';
5062 -
5063 - // Show failed pages count if any
5064 - if ($status['failed_pages'] > 0) {
5065 - $html .= '<p><strong>' . esc_html__('Failed pages:', 'mxchat') . '</strong> ' . esc_html($status['failed_pages']) . '</p>';
5066 - }
5067 -
5068 - $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
5069 - $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
5070 -
5071 - // Add completion summary if available AND it's an array
5072 - if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
5073 - $summary = $status['completion_summary'];
5074 - $html .= '<div class="mxchat-completion-summary">';
5075 - $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
5076 - $html .= '<p><strong>' . esc_html__('Total Pages:', 'mxchat') . '</strong> ' . esc_html($summary['total_pages']) . '</p>';
5077 - $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_pages']) . '</p>';
5078 - $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_pages']) . '</p>';
5079 - $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
5080 - $html .= '</div>';
5081 - }
5082 -
5083 - // Add failed pages list if any AND it's an array
5084 - if (isset($status['failed_pages_list']) && is_array($status['failed_pages_list']) && !empty($status['failed_pages_list'])) {
5085 - $html .= $this->mxchat_render_failed_pages_list($status['failed_pages_list']);
5086 - }
5087 -
5088 - // Add error message if any
5089 - if (isset($status['error']) && !empty($status['error'])) {
5090 - $html .= '<div class="mxchat-error-notice">';
5091 - $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
5092 - $html .= '</div>';
5093 - }
5094 -
5095 - $html .= '</div>'; // End details
5096 - $html .= '</div>'; // End card
5097 -
5098 - return $html;
5099 -}
5100 -/**
5101 - * Render sitemap status card HTML
5102 - */
5103 -private function mxchat_render_sitemap_status_card($status, $sitemap_url) {
5104 - $html = '<div class="mxchat-status-card" data-card-type="sitemap">';
5105 - $html .= '<div class="mxchat-status-header">';
5106 - $html .= '<h4>' . esc_html__('Sitemap Processing Status', 'mxchat') . '</h4>';
5107 -
5108 - // Add dismiss button for completed status
5109 - if ($status['status'] === 'complete' || $status['status'] === 'error') {
5110 - $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
5111 - }
5112 -
5113 - // Process Batch button for processing status
5114 - if ($status['status'] === 'processing') {
5115 - $html .= '<button type="button" class="mxchat-manual-batch-btn"
5116 - data-process-type="sitemap"
5117 - data-url="' . esc_attr($sitemap_url) . '">
5118 - ' . esc_html__('Process Batch', 'mxchat') . '</button>';
5119 - }
5120 -
5121 - // Add status badges
5122 - if ($status['status'] === 'error') {
5123 - $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
5124 - } elseif ($status['status'] === 'complete') {
5125 - if ($status['failed_urls'] > 0) {
5126 - $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
5127 - sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_urls']) . '</span>';
5128 - } else {
5129 - $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
5130 - }
5131 - }
5132 -
5133 - $html .= '</div>'; // End header
5134 -
5135 - // Progress bar
5136 - $html .= '<div class="mxchat-progress-bar">';
5137 - $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
5138 - $html .= '</div>';
5139 -
5140 - // Status details
5141 - $html .= '<div class="mxchat-status-details">';
5142 - $html .= '<p>' . sprintf(
5143 - esc_html__('Progress: %d of %d URLs (%d%%)', 'mxchat'),
5144 - $status['processed_urls'],
5145 - $status['total_urls'],
5146 - $status['percentage']
5147 - ) . '</p>';
5148 -
5149 - // Show failed URLs count if any
5150 - if ($status['failed_urls'] > 0) {
5151 - $html .= '<p><strong>' . esc_html__('Failed URLs:', 'mxchat') . '</strong> ' . esc_html($status['failed_urls']) . '</p>';
5152 - }
5153 -
5154 - $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
5155 - $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
5156 -
5157 - // Add completion summary if available AND it's an array
5158 - if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
5159 - $summary = $status['completion_summary'];
5160 - $html .= '<div class="mxchat-completion-summary">';
5161 - $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
5162 - $html .= '<p><strong>' . esc_html__('Total URLs:', 'mxchat') . '</strong> ' . esc_html($summary['total_urls']) . '</p>';
5163 - $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_urls']) . '</p>';
5164 - $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_urls']) . '</p>';
5165 - $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
5166 - $html .= '</div>';
5167 - }
5168 -
5169 - // Add error messages if any (but not the failed URLs list)
5170 - if (!empty($status['error']) || !empty($status['last_error'])) {
5171 - $html .= '<div class="mxchat-error-notice">';
5172 -
5173 - if (!empty($status['error'])) {
5174 - $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
5175 - }
5176 -
5177 - if (!empty($status['last_error'])) {
5178 - $html .= '<p class="last-error">' . esc_html__('Last error:', 'mxchat') . ' ' . esc_html($status['last_error']) . '</p>';
5179 - }
5180 -
5181 - $html .= '</div>';
5182 - }
5183 -
5184 - $html .= '</div>'; // End details
5185 - $html .= '</div>'; // End card
5186 -
5187 - return $html;
5188 -}
5189 -
5190 -
5191 -/**
5192 - * Render failed pages list
5193 - */
5194 -private function mxchat_render_failed_pages_list($failed_pages_list) {
5195 - // Validate that $failed_pages_list is an array and not empty
5196 - if (!is_array($failed_pages_list) || empty($failed_pages_list)) {
5197 - return '';
5198 - }
5199 -
5200 - $html = '<div class="mxchat-error-notice">';
5201 - $html .= '<div class="mxchat-failed-pages-container">';
5202 - $html .= '<h5>' . sprintf(esc_html__('Failed Pages (%d)', 'mxchat'), count($failed_pages_list)) . '</h5>';
5203 - $html .= '<details>';
5204 - $html .= '<summary>' . esc_html__('Show Failed Pages', 'mxchat') . '</summary>';
5205 - $html .= '<div class="mxchat-failed-pages-list">';
5206 -
5207 - // Create table for failed pages
5208 - $html .= '<table class="widefat striped">';
5209 - $html .= '<thead><tr>';
5210 - $html .= '<th>' . esc_html__('Page', 'mxchat') . '</th>';
5211 - $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
5212 - $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
5213 - $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
5214 - $html .= '</tr></thead><tbody>';
5215 -
5216 - // Sort failed pages by most recent
5217 - $sorted_failed_pages = $failed_pages_list;
5218 - usort($sorted_failed_pages, function($a, $b) {
5219 - return ($b['time'] ?? 0) - ($a['time'] ?? 0);
5220 - });
5221 -
5222 - foreach ($sorted_failed_pages as $item) {
5223 - // Ensure $item is an array before accessing its elements
5224 - if (!is_array($item)) {
5225 - continue;
5226 - }
5227 -
5228 - $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
5229 - $html .= '<tr>';
5230 - $html .= '<td>' . esc_html__('Page', 'mxchat') . ' ' . esc_html($item['page'] ?? 'Unknown') . '</td>';
5231 - $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
5232 - $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
5233 - $html .= '<td>' . esc_html($time_ago) . '</td>';
5234 - $html .= '</tr>';
5235 - }
5236 -
5237 - $html .= '</tbody></table>';
5238 - $html .= '</div></details></div></div>';
5239 -
5240 - return $html;
5241 -}
5242 -
5243 -/**
5244 - * Render failed URLs list
5245 - */
5246 -private function mxchat_render_failed_urls_list($failed_urls_list) {
5247 - // Validate that $failed_urls_list is an array and not empty
5248 - if (!is_array($failed_urls_list) || empty($failed_urls_list)) {
5249 - return '';
5250 - }
5251 -
5252 - $html = '<div class="mxchat-failed-urls-container">';
5253 - $html .= '<h5>' . sprintf(esc_html__('Failed URLs (%d)', 'mxchat'), count($failed_urls_list)) . '</h5>';
5254 - $html .= '<details>';
5255 - $html .= '<summary>' . esc_html__('Show Failed URLs', 'mxchat') . '</summary>';
5256 - $html .= '<div class="mxchat-failed-urls-list">';
5257 -
5258 - // Create table for failed URLs
5259 - $html .= '<table class="widefat striped">';
5260 - $html .= '<thead><tr>';
5261 - $html .= '<th>' . esc_html__('URL', 'mxchat') . '</th>';
5262 - $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
5263 - $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
5264 - $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
5265 - $html .= '</tr></thead><tbody>';
5266 -
5267 - // Sort failed URLs by most recent
5268 - $sorted_failed_urls = $failed_urls_list;
5269 - usort($sorted_failed_urls, function($a, $b) {
5270 - return ($b['time'] ?? 0) - ($a['time'] ?? 0);
5271 - });
5272 -
5273 - // Show up to 50 failed URLs
5274 - $display_urls = array_slice($sorted_failed_urls, 0, 50);
5275 -
5276 - foreach ($display_urls as $item) {
5277 - // Ensure $item is an array before accessing its elements
5278 - if (!is_array($item)) {
5279 - continue;
5280 - }
5281 -
5282 - $url = $item['url'] ?? '';
5283 - $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
5284 -
5285 - // Truncate URL for display
5286 - $display_url = strlen($url) > 50 ? substr($url, 0, 47) . '...' : $url;
5287 -
5288 - $html .= '<tr>';
5289 - $html .= '<td style="word-break: break-all;">';
5290 - if (!empty($url)) {
5291 - $html .= '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($display_url) . '</a>';
5292 - } else {
5293 - $html .= esc_html__('Unknown URL', 'mxchat');
5294 - }
5295 - $html .= '</td>';
5296 - $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
5297 - $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
5298 - $html .= '<td>' . esc_html($time_ago) . '</td>';
5299 - $html .= '</tr>';
5300 - }
5301 -
5302 - $html .= '</tbody></table>';
5303 -
5304 - if (count($failed_urls_list) > 50) {
5305 - $html .= '<div class="mxchat-failed-urls-more">+ ' .
5306 - (count($failed_urls_list) - 50) .
5307 - ' ' . esc_html__('more failed URLs not shown', 'mxchat') . '</div>';
5308 - }
5309 -
5310 - $html .= '</div></details></div>';
5311 -
5312 - return $html;
5313 -}
5314 -
5315 -/**
5316 - * Get all ACF fields for a specific post, excluding any fields the user has disabled
5317 - */
5318 -public function mxchat_get_acf_fields_for_post($post_id) {
5319 - if (!function_exists('get_fields')) {
5320 - return array();
5321 - }
5322 -
5323 - $fields = get_fields($post_id);
5324 - if (!$fields || !is_array($fields)) {
5325 - return array();
5326 - }
5327 -
5328 - // Get excluded fields from settings
5329 - $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
5330 - if (!empty($excluded_fields) && is_array($excluded_fields)) {
5331 - foreach ($excluded_fields as $excluded_field) {
5332 - if (isset($fields[$excluded_field])) {
5333 - unset($fields[$excluded_field]);
5334 - }
5335 - }
5336 - }
5337 -
5338 - return $fields;
5339 -}
5340 -
5341 -/**
5342 - * Get all registered ACF field groups and their fields for the settings UI
5343 - */
5344 -public function mxchat_get_all_acf_fields() {
5345 - if (!function_exists('acf_get_field_groups') || !function_exists('acf_get_fields')) {
5346 - return array();
5347 - }
5348 -
5349 - $all_fields = array();
5350 - $field_groups = acf_get_field_groups();
5351 -
5352 - if (!empty($field_groups)) {
5353 - foreach ($field_groups as $group) {
5354 - $group_fields = acf_get_fields($group['key']);
5355 - if (!empty($group_fields)) {
5356 - $all_fields[$group['title']] = array();
5357 - foreach ($group_fields as $field) {
5358 - $all_fields[$group['title']][] = array(
5359 - 'name' => $field['name'],
5360 - 'label' => $field['label'],
5361 - 'type' => $field['type']
5362 - );
5363 - }
5364 - }
5365 - }
5366 - }
5367 -
5368 - return $all_fields;
5369 -}
5370 -
5371 -/**
5372 - * Get whitelisted custom post meta for a given post
5373 - * This allows non-ACF meta fields (like OptionTree, theme meta boxes) to be included in embeddings
5374 - */
5375 -public function mxchat_get_whitelisted_post_meta($post_id) {
5376 - $whitelist = get_option('mxchat_custom_meta_whitelist', '');
5377 -
5378 - if (empty($whitelist)) {
5379 - return array();
5380 - }
5381 -
5382 - // Parse the whitelist - one meta key per line
5383 - $meta_keys = array_filter(array_map('trim', explode("\n", $whitelist)));
5384 -
5385 - if (empty($meta_keys)) {
5386 - return array();
5387 - }
5388 -
5389 - $result = array();
5390 -
5391 - foreach ($meta_keys as $key) {
5392 - // Skip empty keys
5393 - if (empty($key)) {
5394 - continue;
5395 - }
5396 -
5397 - $value = get_post_meta($post_id, $key, true);
5398 -
5399 - // Only include non-empty string values
5400 - if (!empty($value) && is_string($value)) {
5401 - $result[$key] = $value;
5402 - } elseif (!empty($value) && is_array($value)) {
5403 - // Handle array values by joining them
5404 - $flat_value = $this->mxchat_flatten_meta_array($value);
5405 - if (!empty($flat_value)) {
5406 - $result[$key] = $flat_value;
5407 - }
5408 - }
5409 - }
5410 -
5411 - return $result;
5412 -}
5413 -
5414 -/**
5415 - * Flatten array meta values into a readable string
5416 - */
5417 -private function mxchat_flatten_meta_array($array, $depth = 0) {
5418 - if ($depth > 3) {
5419 - return ''; // Prevent infinite recursion
5420 - }
5421 -
5422 - $parts = array();
5423 -
5424 - foreach ($array as $key => $value) {
5425 - if (is_string($value) && !empty($value)) {
5426 - $parts[] = $value;
5427 - } elseif (is_array($value)) {
5428 - $nested = $this->mxchat_flatten_meta_array($value, $depth + 1);
5429 - if (!empty($nested)) {
5430 - $parts[] = $nested;
5431 - }
5432 - }
5433 - }
5434 -
5435 - return implode(', ', $parts);
5436 -}
5437 -
5438 -/**
5439 - * Format ACF field values for content extraction
5440 - */
5441 -public function mxchat_format_acf_field_value($value, $field_name = '', $post_id = 0) {
5442 - if (empty($value)) {
5443 - return '';
5444 - }
5445 -
5446 - // Handle WP_Post objects first (THIS IS THE KEY FIX)
5447 - if ($value instanceof WP_Post) {
5448 - return $value->post_title ?: '';
5449 - }
5450 -
5451 - // Handle other WP objects
5452 - if (is_object($value)) {
5453 - if (isset($value->post_title)) {
5454 - return $value->post_title;
5455 - } elseif (isset($value->display_name)) {
5456 - return $value->display_name;
5457 - } elseif (isset($value->name)) {
5458 - return $value->name;
5459 - } elseif (method_exists($value, '__toString')) {
5460 - try {
5461 - return (string) $value;
5462 - } catch (Exception $e) {
5463 - return '';
5464 - }
5465 - }
5466 - // For any other objects, return empty string
5467 - return '';
5468 - }
5469 -
5470 - // Handle different ACF field types
5471 - if (is_array($value)) {
5472 - // Check if it's an image/file field
5473 - if (isset($value['url'])) {
5474 - // Image field - return alt text, title, or caption
5475 - if (!empty($value['alt'])) {
5476 - return $value['alt'];
5477 - } elseif (!empty($value['title'])) {
5478 - return $value['title'];
5479 - } elseif (!empty($value['caption'])) {
5480 - return $value['caption'];
5481 - } else {
5482 - return ''; // Don't include just the URL
5483 - }
5484 - }
5485 -
5486 - // Check if it's a post object or relationship field
5487 - if (isset($value['post_title'])) {
5488 - return $value['post_title'];
5489 - }
5490 -
5491 - // Check if it's a user field
5492 - if (isset($value['display_name'])) {
5493 - return $value['display_name'];
5494 - }
5495 -
5496 - // Check if it's a taxonomy term
5497 - if (isset($value['name']) && isset($value['taxonomy'])) {
5498 - return $value['name'];
5499 - }
5500 -
5501 - // Check if it's a select field with label
5502 - if (isset($value['label'])) {
5503 - return $value['label'];
5504 - }
5505 -
5506 - // Check for repeater field or flexible content
5507 - if (is_numeric(key($value))) {
5508 - $sub_values = array();
5509 - foreach ($value as $sub_item) {
5510 - if (is_array($sub_item)) {
5511 - // For repeater/flexible content, extract text values
5512 - $sub_text = $this->mxchat_extract_text_from_acf_array($sub_item);
5513 - if (!empty($sub_text)) {
5514 - $sub_values[] = $sub_text;
5515 - }
5516 - } elseif ($sub_item instanceof WP_Post) {
5517 - // Handle WP_Post objects in arrays
5518 - $sub_values[] = $sub_item->post_title ?: '';
5519 - } else {
5520 - $sub_values[] = (string) $sub_item;
5521 - }
5522 - }
5523 - return implode(', ', array_filter($sub_values));
5524 - }
5525 -
5526 - // For other arrays, try to extract meaningful text
5527 - $text_values = array();
5528 - foreach ($value as $key => $val) {
5529 - if (is_string($val) && !empty(trim($val))) {
5530 - $text_values[] = trim($val);
5531 - } elseif ($val instanceof WP_Post) {
5532 - // Handle WP_Post objects in associative arrays
5533 - $text_values[] = $val->post_title ?: '';
5534 - } elseif (is_array($val) && isset($val['post_title'])) {
5535 - $text_values[] = $val['post_title'];
5536 - } elseif (is_array($val) && isset($val['name'])) {
5537 - $text_values[] = $val['name'];
5538 - }
5539 - }
5540 -
5541 - return implode(', ', array_filter($text_values));
5542 - }
5543 -
5544 - // Handle boolean values
5545 - if (is_bool($value)) {
5546 - return $value ? 'Yes' : 'No';
5547 - }
5548 -
5549 - // Handle numeric values
5550 - if (is_numeric($value)) {
5551 - return (string) $value;
5552 - }
5553 -
5554 - // Handle string values
5555 - if (is_string($value)) {
5556 - return trim($value);
5557 - }
5558 -
5559 - // For anything else that we can't handle, return empty string
5560 - // This prevents the "Object could not be converted to string" error
5561 - return '';
5562 -}
5563 -
5564 -/**
5565 - * Extract text from complex ACF array structures
5566 - */
5567 -private function mxchat_extract_text_from_acf_array($array) {
5568 - if (!is_array($array)) {
5569 - return '';
5570 - }
5571 -
5572 - $text_parts = array();
5573 -
5574 - foreach ($array as $key => $value) {
5575 - if (is_string($value) && !empty(trim($value))) {
5576 - // Skip keys that are likely to be IDs or technical values
5577 - if (!is_numeric($value) || strlen($value) > 10) {
5578 - $text_parts[] = trim($value);
5579 - }
5580 - } elseif ($value instanceof WP_Post) {
5581 - // Handle WP_Post objects
5582 - $text_parts[] = $value->post_title ?: '';
5583 - } elseif (is_array($value)) {
5584 - if (isset($value['post_title'])) {
5585 - $text_parts[] = $value['post_title'];
5586 - } elseif (isset($value['name'])) {
5587 - $text_parts[] = $value['name'];
5588 - } elseif (isset($value['label'])) {
5589 - $text_parts[] = $value['label'];
5590 - }
5591 - } elseif (is_object($value)) {
5592 - // Handle other objects safely
5593 - if (isset($value->post_title)) {
5594 - $text_parts[] = $value->post_title;
5595 - } elseif (isset($value->name)) {
5596 - $text_parts[] = $value->name;
5597 - } elseif (isset($value->display_name)) {
5598 - $text_parts[] = $value->display_name;
5599 - }
5600 - }
5601 - }
5602 -
5603 - return implode(', ', array_filter($text_parts));
5604 -}
5605 -
5606 -/**
5607 - * Walk an ACF field value tree and collect attachment IDs for any value that
5608 - * resolves to a PDF in the WordPress media library. Handles the three shapes
5609 - * ACF returns for File/Image/URL fields (array with ID+url, integer attachment ID,
5610 - * plain URL string), and recurses through repeater/group/flexible content.
5611 - *
5612 - * @param mixed $value The ACF field value (any depth)
5613 - * @param array $out Accumulator (passed by reference) for attachment IDs
5614 - * @param int $depth Recursion guard
5615 - */
5616 -private function mxchat_collect_pdf_attachment_ids_from_acf_value($value, &$out, $depth = 0) {
5617 - if ($depth > 6) {
5618 - return; // prevent runaway recursion on circular/very-deep structures
5619 - }
5620 -
5621 - if (empty($value)) {
5622 - return;
5623 - }
5624 -
5625 - // Array shapes: ACF File/Image return value=array; repeaters/groups are arrays of arrays
5626 - if (is_array($value)) {
5627 - // Direct File/Image-style array (has 'url' and usually 'ID' + 'mime_type')
5628 - $looks_like_attachment = isset($value['url']) || isset($value['ID']) || isset($value['id']);
5629 - if ($looks_like_attachment) {
5630 - $att_id = 0;
5631 - if (!empty($value['ID']) && is_numeric($value['ID'])) {
5632 - $att_id = (int) $value['ID'];
5633 - } elseif (!empty($value['id']) && is_numeric($value['id'])) {
5634 - $att_id = (int) $value['id'];
5635 - } elseif (!empty($value['url']) && is_string($value['url'])) {
5636 - $att_id = (int) attachment_url_to_postid($value['url']);
5637 - }
5638 -
5639 - $is_pdf = false;
5640 - if (!empty($value['mime_type']) && $value['mime_type'] === 'application/pdf') {
5641 - $is_pdf = true;
5642 - } elseif (!empty($value['subtype']) && strtolower((string) $value['subtype']) === 'pdf') {
5643 - $is_pdf = true;
5644 - } elseif (!empty($value['url']) && is_string($value['url']) && $this->mxchat_url_looks_like_pdf($value['url'])) {
5645 - $is_pdf = true;
5646 - } elseif ($att_id && get_post_mime_type($att_id) === 'application/pdf') {
5647 - $is_pdf = true;
5648 - }
5649 -
5650 - if ($is_pdf && $att_id && get_post_mime_type($att_id) === 'application/pdf') {
5651 - $out[] = $att_id;
5652 - }
5653 - // An array node that represents one attachment doesn't contain other
5654 - // attachments inside it — done with this branch.
5655 - return;
5656 - }
5657 -
5658 - // Recurse: repeater rows, flexible-content layouts, groups, etc.
5659 - foreach ($value as $sub) {
5660 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($sub, $out, $depth + 1);
5661 - }
5662 - return;
5663 - }
5664 -
5665 - // Plain numeric attachment ID (ACF File field set to "Return: ID")
5666 - if (is_numeric($value)) {
5667 - $att_id = (int) $value;
5668 - if ($att_id > 0 && get_post_mime_type($att_id) === 'application/pdf') {
5669 - $out[] = $att_id;
5670 - }
5671 - return;
5672 - }
5673 -
5674 - // Plain string — URL pointing at a PDF (ACF File field set to "Return: URL", or a custom URL/text field)
5675 - if (is_string($value)) {
5676 - $trimmed = trim($value);
5677 - if ($trimmed !== '' && $this->mxchat_url_looks_like_pdf($trimmed)) {
5678 - $att_id = (int) attachment_url_to_postid($trimmed);
5679 - if ($att_id > 0 && get_post_mime_type($att_id) === 'application/pdf') {
5680 - $out[] = $att_id;
5681 - }
5682 - }
5683 - return;
5684 - }
5685 -}
5686 -
5687 -/**
5688 - * Heuristic: does this URL/string look like a PDF reference?
5689 - * Tolerates query strings and fragments (#page=2).
5690 - */
5691 -private function mxchat_url_looks_like_pdf($url) {
5692 - if (!is_string($url) || $url === '') {
5693 - return false;
5694 - }
5695 - // Strip query + fragment before checking extension
5696 - $path = preg_replace('/[?#].*$/', '', $url);
5697 - return (bool) preg_match('/\.pdf$/i', $path);
5698 -}
5699 -
5700 -/**
5701 - * Extract text from a PDF attachment by ID using the bundled Smalot parser.
5702 - * Reads the file directly from disk via get_attached_file (no HTTP fetch).
5703 - * Result is cached on the attachment as post_meta keyed by file mtime so we
5704 - * only parse the same PDF once unless the file changes on disk.
5705 - *
5706 - * @param int $attachment_id
5707 - * @return string Extracted plain text, or '' on failure.
5708 - */
5709 -private function mxchat_extract_pdf_text_by_attachment_id($attachment_id) {
5710 - $attachment_id = (int) $attachment_id;
5711 - if ($attachment_id <= 0) {
5712 - return '';
5713 - }
5714 - if (get_post_mime_type($attachment_id) !== 'application/pdf') {
5715 - return '';
5716 - }
5717 -
5718 - $pdf_path = get_attached_file($attachment_id);
5719 - if (empty($pdf_path) || !file_exists($pdf_path) || !is_readable($pdf_path)) {
5720 - return '';
5721 - }
5722 -
5723 - // Raw-file size cap. Parsing very large PDFs can OOM the request; skip with a log entry
5724 - // and let the rest of the ACF content land in the KB. Filterable for users who need it bigger.
5725 - $default_max_bytes = 25 * 1024 * 1024;
5726 - $max_bytes = (int) apply_filters('mxchat_acf_pdf_max_bytes', $default_max_bytes, $attachment_id, $pdf_path);
5727 - if ($max_bytes > 0) {
5728 - $file_size = @filesize($pdf_path);
5729 - if ($file_size !== false && $file_size > $max_bytes) {
5730 - error_log(sprintf(
5731 - '[mxchat] ACF PDF skipped (over size cap): attachment %d "%s" %d bytes > cap %d',
5732 - $attachment_id,
5733 - basename($pdf_path),
5734 - $file_size,
5735 - $max_bytes
5736 - ));
5737 - return '';
5738 - }
5739 - }
5740 -
5741 - $mtime = @filemtime($pdf_path);
5742 - $cache_meta_key = '_mxchat_acf_pdf_text_v1';
5743 - $cached = get_post_meta($attachment_id, $cache_meta_key, true);
5744 - if (is_array($cached) && isset($cached['mtime'], $cached['text']) && (int) $cached['mtime'] === (int) $mtime) {
5745 - return (string) $cached['text'];
5746 - }
5747 -
5748 - $text = '';
5749 - try {
5750 - if (function_exists('mxchat_load_pdf_parser')) {
5751 - mxchat_load_pdf_parser();
5752 - }
5753 - if (!class_exists('\\Smalot\\PdfParser\\Parser')) {
5754 - return '';
5755 - }
5756 - $parser = new \Smalot\PdfParser\Parser();
5757 - $pdf = $parser->parseFile($pdf_path);
5758 - $pages = $pdf->getPages();
5759 - $page_texts = array();
5760 - foreach ($pages as $page) {
5761 - $page_text = '';
5762 - try {
5763 - $page_text = $page->getText();
5764 - } catch (\Exception $e) {
5765 - $page_text = '';
5766 - }
5767 - if (!empty($page_text)) {
5768 - $page_texts[] = $page_text;
5769 - }
5770 - }
5771 - $text = trim(implode("\n\n", $page_texts));
5772 - } catch (\Exception $e) {
5773 - error_log('[mxchat] ACF PDF extraction failed for attachment ' . $attachment_id . ': ' . $e->getMessage());
5774 - return '';
5775 - } catch (\Throwable $e) {
5776 - error_log('[mxchat] ACF PDF extraction error for attachment ' . $attachment_id . ': ' . $e->getMessage());
5777 - return '';
5778 - }
5779 -
5780 - // Cap per-PDF text to avoid blowing up the embedding payload on enormous PDFs.
5781 - // The chunker downstream will still split this into multiple vectors.
5782 - $max_len = (int) apply_filters('mxchat_acf_pdf_text_max_length', 50000);
5783 - if ($max_len > 0 && strlen($text) > $max_len) {
5784 - $text = substr($text, 0, $max_len);
5785 - }
5786 -
5787 - update_post_meta($attachment_id, $cache_meta_key, array(
5788 - 'mtime' => (int) $mtime,
5789 - 'text' => $text,
5790 - ));
5791 -
5792 - return $text;
5793 -}
5794 -
5795 -/**
5796 - * Handle ACF save - fires after ACF fields are saved
5797 - * This ensures ACF field data is available when syncing to knowledge base
5798 - */
5799 -public function mxchat_handle_acf_save($post_id) {
5800 - // Skip if not a valid post
5801 - if (!$post_id || $post_id === 'options') {
5802 - return;
5803 - }
5804 -
5805 - // Skip autosaves and revisions
5806 - if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
5807 - return;
5808 - }
5809 -
5810 - $post = get_post($post_id);
5811 - if (!$post) {
5812 - return;
5813 - }
5814 -
5815 - $post_type = $post->post_type;
5816 -
5817 - // Check if sync is enabled for this post type
5818 - $should_sync = false;
5819 -
5820 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5821 - $should_sync = true;
5822 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5823 - $should_sync = true;
5824 - } else if ($post_type === 'product' && class_exists('WooCommerce')) {
5825 - // WooCommerce products - check if WooCommerce integration is enabled
5826 - $options = get_option('mxchat_options', array());
5827 - if (isset($options['enable_woocommerce_integration']) &&
5828 - ($options['enable_woocommerce_integration'] === '1' || $options['enable_woocommerce_integration'] === 'on')) {
5829 - $should_sync = true;
5830 - }
5831 - } else {
5832 - // Check custom post types
5833 - $option_name = 'mxchat_auto_sync_' . $post_type;
5834 - if (get_option($option_name) === '1') {
5835 - $should_sync = true;
5836 - }
5837 - }
5838 -
5839 - if (!$should_sync) {
5840 - return;
5841 - }
5842 -
5843 - // Only process published posts
5844 - if ($post->post_status !== 'publish') {
5845 - return;
5846 - }
5847 -
5848 - // Check if this post has any ACF fields - if not, no need to re-sync
5849 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
5850 - if (empty($acf_fields)) {
5851 - return;
5852 - }
5853 -
5854 - // Use a transient to prevent duplicate processing (post_updated may have already run)
5855 - $transient_key = 'mxchat_acf_synced_' . $post_id;
5856 - if (get_transient($transient_key)) {
5857 - return;
5858 - }
5859 - set_transient($transient_key, true, 60); // Prevent re-processing for 60 seconds
5860 -
5861 - // Re-run the sync with ACF data now available
5862 - // We pass $update=true since this is effectively an update with ACF data
5863 - $this->mxchat_handle_post_update($post_id, $post, true);
5864 -}
5865 -
5866 -public function mxchat_handle_post_update($post_id, $post, $update) {
5867 - // Basic validation checks
5868 - if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
5869 - return;
5870 - }
5871 -
5872 - $post_type = $post->post_type;
5873 -
5874 - // Check if sync is enabled for this post type
5875 - $should_sync = false;
5876 -
5877 - // Check built-in post types first
5878 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5879 - $should_sync = true;
5880 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5881 - $should_sync = true;
5882 - } else {
5883 - // Check custom post types
5884 - $option_name = 'mxchat_auto_sync_' . $post_type;
5885 - if (get_option($option_name) === '1') {
5886 - $should_sync = true;
5887 - }
5888 - }
5889 -
5890 - if (!$should_sync) {
5891 - return;
5892 - }
5893 -
5894 - // Check if we have stored the previous status and URL in our transients
5895 - $previous_status_key = 'mxchat_prev_status_' . $post_id;
5896 - $previous_status = get_transient($previous_status_key);
5897 -
5898 - $previous_url_key = 'mxchat_prev_url_' . $post_id;
5899 - $previous_url = get_transient($previous_url_key);
5900 -
5901 - // If the post was previously published but is now not published, remove from knowledge base
5902 - if ($previous_status === 'publish' && $post->post_status !== 'publish') {
5903 - // Use the stored URL from when it was published, or fall back to current permalink
5904 - $source_url = $previous_url ?: get_permalink($post_id);
5905 -
5906 - if ($source_url) {
5907 - // Chunk-aware deletion (routes to Pinecone or WP DB and removes base + all chunks)
5908 - MxChat_Utils::delete_chunks_for_url($source_url, 'default');
5909 - }
5910 -
5911 - // Clean up the transients and exit early
5912 - delete_transient($previous_status_key);
5913 - delete_transient($previous_url_key);
5914 - return;
5915 - }
5916 -
5917 - // Slug/permalink rename while still published: delete the old vectors before upserting new ones.
5918 - // Without this, md5(old_url) vectors (base + chunks) would be orphaned under the stale URL.
5919 - if ($post->post_status === 'publish' && !empty($previous_url)) {
5920 - $current_url = get_permalink($post_id);
5921 - if ($current_url && $current_url !== $previous_url) {
5922 - MxChat_Utils::delete_chunks_for_url($previous_url, 'default');
5923 - }
5924 - }
5925 -
5926 - // Store the current status for next time (if this is an update)
5927 - if ($update) {
5928 - set_transient($previous_status_key, $post->post_status, DAY_IN_SECONDS);
5929 -
5930 - // If the post is currently published, also store its URL
5931 - if ($post->post_status === 'publish') {
5932 - $current_url = get_permalink($post_id);
5933 - set_transient($previous_url_key, $current_url, DAY_IN_SECONDS);
5934 - }
5935 - }
5936 -
5937 - // Only process currently published content for adding/updating
5938 - if ($post->post_status === 'publish') {
5939 - // Get the source URL
5940 - $source_url = get_permalink($post_id);
5941 -
5942 - // Get content with proper formatting (matching ajax_mxchat_process_selected_content)
5943 - $title = get_the_title($post_id);
5944 - $content = get_post_field('post_content', $post_id);
5945 - $excerpt = get_post_field('post_excerpt', $post_id);
5946 -
5947 - // Remove shortcode tags but preserve content inside them
5948 - $content = $this->strip_shortcode_tags_preserve_content($content);
5949 - $excerpt = $this->strip_shortcode_tags_preserve_content($excerpt);
5950 -
5951 - // Strip tags but preserve structure (don't use 'the_content' filter as it may re-add shortcodes)
5952 - $content = wp_strip_all_tags($content);
5953 -
5954 - // Combine title, short description (if exists), and content
5955 - $final_content = $title . "\n\n";
5956 -
5957 - // Add short description if it exists (WooCommerce products use post_excerpt for short description)
5958 - if (!empty($excerpt)) {
5959 - $final_content .= "Short Description: " . wp_strip_all_tags($excerpt) . "\n\n";
5960 - }
5961 -
5962 - $final_content .= $content;
5963 -
5964 - // For WooCommerce products, include pricing and product details
5965 - if ($post_type === 'product' && class_exists('WooCommerce')) {
5966 - $product = wc_get_product($post_id);
5967 -
5968 - if ($product) {
5969 - // Get pricing information
5970 - $regular_price = $product->get_regular_price();
5971 - $sale_price = $product->get_sale_price();
5972 - $price = $product->get_price();
5973 - $sku = $product->get_sku();
5974 -
5975 - // Get currency symbol
5976 - $currency_symbol = get_woocommerce_currency_symbol();
5977 -
5978 - // Add pricing information
5979 - $final_content .= "\n";
5980 - if (!empty($regular_price)) {
5981 - $final_content .= "Price: " . $currency_symbol . $regular_price . "\n";
5982 - } elseif (!empty($price)) {
5983 - $final_content .= "Price: " . $currency_symbol . $price . "\n";
5984 - }
5985 -
5986 - if (!empty($sale_price) && $sale_price !== $regular_price) {
5987 - $final_content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
5988 - }
5989 -
5990 - // Handle variable products - show price range
5991 - if ($product->is_type('variable')) {
5992 - $min_price = $product->get_variation_price('min');
5993 - $max_price = $product->get_variation_price('max');
5994 - if ($min_price !== $max_price) {
5995 - $final_content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
5996 - }
5997 - }
5998 -
5999 - if (!empty($sku)) {
6000 - $final_content .= "SKU: " . $sku . "\n";
6001 - }
6002 -
6003 - // Get product categories
6004 - $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
6005 - if (!empty($categories) && !is_wp_error($categories)) {
6006 - $final_content .= "Categories: " . implode(', ', $categories) . "\n";
6007 - }
6008 - }
6009 - }
6010 -
6011 - // For custom post types like job_listing, include additional fields
6012 - if ($post_type === 'job_listing') {
6013 - // Add job-specific meta if available
6014 - $job_location = get_post_meta($post_id, '_job_location', true);
6015 - if (!empty($job_location)) {
6016 - $final_content .= "\n\nLocation: " . $job_location;
6017 - }
6018 -
6019 - // Get job type terms
6020 - $job_types = get_the_terms($post_id, 'job_listing_type');
6021 - if (!empty($job_types) && !is_wp_error($job_types)) {
6022 - $types = array();
6023 - foreach ($job_types as $type) {
6024 - $types[] = $type->name;
6025 - }
6026 - $final_content .= "\n\nJob Type: " . implode(', ', $types);
6027 - }
6028 -
6029 - // Get company name if available
6030 - $company_name = get_post_meta($post_id, '_company_name', true);
6031 - if (!empty($company_name)) {
6032 - $final_content .= "\n\nCompany: " . $company_name;
6033 - }
6034 - }
6035 -
6036 - // ADD ACF FIELDS SUPPORT (matches ajax_mxchat_process_selected_content behavior)
6037 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
6038 - if (!empty($acf_fields)) {
6039 - $acf_content_parts = array();
6040 - $pdf_attachment_ids = array();
6041 -
6042 - foreach ($acf_fields as $field_name => $field_value) {
6043 - $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
6044 - if (!empty($formatted_value)) {
6045 - // Convert field name to readable label
6046 - $field_label = ucwords(str_replace(['_', '-'], ' ', $field_name));
6047 - $acf_content_parts[] = $field_label . ": " . $formatted_value;
6048 - }
6049 -
6050 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($field_value, $pdf_attachment_ids);
6051 - }
6052 -
6053 - if (!empty($acf_content_parts)) {
6054 - $final_content .= "\n\n" . implode("\n", $acf_content_parts);
6055 - }
6056 -
6057 - // Gate the auto-sync PDF-extraction loop behind an opt-in option.
6058 - // Mirrors the per-batch checkbox the manual content selector has; the
6059 - // 25 MB size cap lives in the shared extractor so it applies in both
6060 - // paths regardless. Default OFF — re-parsing every ACF PDF on every
6061 - // editor save is expensive and most sites don't want it.
6062 - $autosync_extract_acf_pdfs = get_option('mxchat_auto_sync_acf_pdfs', '0') === '1';
6063 - if ($autosync_extract_acf_pdfs && !empty($pdf_attachment_ids)) {
6064 - $pdf_attachment_ids = array_unique(array_filter(array_map('intval', $pdf_attachment_ids)));
6065 - $pdf_sections = array();
6066 - foreach ($pdf_attachment_ids as $att_id) {
6067 - $pdf_text = $this->mxchat_extract_pdf_text_by_attachment_id($att_id);
6068 - if (!empty($pdf_text)) {
6069 - $pdf_title = get_the_title($att_id);
6070 - $pdf_url = wp_get_attachment_url($att_id);
6071 - $header = 'PDF Attachment';
6072 - if (!empty($pdf_title)) {
6073 - $header .= ': ' . $pdf_title;
6074 - }
6075 - if (!empty($pdf_url)) {
6076 - $header .= ' (' . $pdf_url . ')';
6077 - }
6078 - $pdf_sections[] = $header . "\n" . $pdf_text;
6079 - }
6080 - }
6081 - if (!empty($pdf_sections)) {
6082 - $final_content .= "\n\nAttached PDFs:\n" . implode("\n\n", $pdf_sections);
6083 - }
6084 - }
6085 - }
6086 -
6087 - // ADD CUSTOM POST META SUPPORT (whitelisted non-ACF meta fields)
6088 - $custom_meta = $this->mxchat_get_whitelisted_post_meta($post_id);
6089 - if (!empty($custom_meta)) {
6090 - $meta_content_parts = array();
6091 -
6092 - foreach ($custom_meta as $meta_key => $meta_value) {
6093 - // Convert meta key to readable label
6094 - $meta_label = ucwords(str_replace(array('_', '-'), ' ', $meta_key));
6095 - $meta_content_parts[] = $meta_label . ": " . $meta_value;
6096 - }
6097 -
6098 - if (!empty($meta_content_parts)) {
6099 - $final_content .= "\n\n" . implode("\n", $meta_content_parts);
6100 - }
6101 - }
6102 -
6103 - // Get API key with proper model detection
6104 - $options = get_option('mxchat_options');
6105 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
6106 -
6107 - if (strpos($selected_model, 'voyage') === 0) {
6108 - $api_key = $options['voyage_api_key'] ?? '';
6109 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
6110 - $api_key = $options['gemini_api_key'] ?? '';
6111 - } else {
6112 - $api_key = $options['api_key'] ?? '';
6113 - }
6114 -
6115 - if (empty($api_key)) {
6116 - return;
6117 - }
6118 -
6119 - // Use the centralized utility function for storage
6120 - $result = MxChat_Utils::submit_content_to_db(
6121 - $final_content,
6122 - $source_url,
6123 - $api_key,
6124 - md5($source_url) // Vector ID for Pinecone
6125 - );
6126 -
6127 - // After successful storage, apply role restriction based on tags
6128 - if (!is_wp_error($result)) {
6129 - $this->apply_role_restriction_to_post($post_id, $source_url);
6130 - }
6131 - }
6132 -
6133 - // Clean up the stored previous status if not used above
6134 - if ($previous_status !== 'publish' || $post->post_status === 'publish') {
6135 - delete_transient($previous_status_key);
6136 - delete_transient($previous_url_key);
6137 - }
6138 -}
6139 -
6140 -/**
6141 - * Store the post status and URL before update to detect status transitions
6142 - * This runs before the post is actually updated in the database
6143 - */
6144 -public function mxchat_store_pre_update_status($post_id, $data) {
6145 - // Get the current post from database (before update)
6146 - $current_post = get_post($post_id);
6147 -
6148 - if ($current_post) {
6149 - // Store the current status temporarily
6150 - $status_key = 'mxchat_prev_status_' . $post_id;
6151 - set_transient($status_key, $current_post->post_status, HOUR_IN_SECONDS);
6152 -
6153 - // If the post is currently published, also store its URL
6154 - if ($current_post->post_status === 'publish') {
6155 - $url_key = 'mxchat_prev_url_' . $post_id;
6156 - $current_url = get_permalink($post_id);
6157 - set_transient($url_key, $current_url, HOUR_IN_SECONDS);
6158 - }
6159 - }
6160 -}
6161 -
6162 -public function mxchat_handle_post_delete($post_id) {
6163 - // Get post data before it's deleted
6164 - $post = get_post($post_id);
6165 -
6166 - // Basic validation
6167 - if (!$post || wp_is_post_revision($post_id)) {
6168 - return;
6169 - }
6170 -
6171 - $post_type = $post->post_type;
6172 -
6173 - // Check if sync is enabled for this post type
6174 - $should_sync = false;
6175 -
6176 - // Check built-in post types first
6177 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
6178 - $should_sync = true;
6179 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
6180 - $should_sync = true;
6181 - } else {
6182 - // Check custom post types
6183 - $option_name = 'mxchat_auto_sync_' . $post_type;
6184 - if (get_option($option_name) === '1') {
6185 - $should_sync = true;
6186 - }
6187 - }
6188 -
6189 - if (!$should_sync) {
6190 - return;
6191 - }
6192 -
6193 - // Resolve the pre-trash URL. wp_trash_post renames the slug with "__trashed" before firing
6194 - // this hook, so get_permalink() here would return the trashed URL and md5() would miss the
6195 - // real vector IDs stored under the original URL.
6196 - $source_url = $this->mxchat_resolve_pre_trash_url($post_id);
6197 - if (!$source_url) {
6198 - //error_log('MXChat: Failed to resolve source URL for post ' . $post_id);
6199 - return;
6200 - }
6201 -
6202 - // Use chunk-aware deletion (handles both chunked and non-chunked content)
6203 - $delete_result = MxChat_Utils::delete_chunks_for_url($source_url, 'default');
6204 -
6205 - if (is_wp_error($delete_result)) {
6206 - //error_log('MXChat: Chunk-aware deletion failed for URL: ' . $source_url . ' - ' . $delete_result->get_error_message());
6207 - }
6208 -
6209 - delete_transient('mxchat_prev_url_' . $post_id);
6210 - delete_transient('mxchat_prev_status_' . $post_id);
6211 -}
6212 -
6213 -/**
6214 - * Resolve the source URL for a post being trashed/deleted.
6215 - *
6216 - * Why: wp_trash_post appends "__trashed" to the slug before the wp_trash_post action fires, so
6217 - * get_permalink() returns a URL whose md5() won't match the vector IDs stored in Pinecone or
6218 - * the source_url rows in the WP DB. Prefer the URL captured by mxchat_store_pre_update_status
6219 - * (runs on pre_post_update, before the rename); fall back to stripping the __trashed suffix.
6220 - */
6221 -private function mxchat_resolve_pre_trash_url($post_id) {
6222 - $previous_url = get_transient('mxchat_prev_url_' . $post_id);
6223 - if (!empty($previous_url)) {
6224 - return $previous_url;
6225 - }
6226 -
6227 - $current = get_permalink($post_id);
6228 - if (!$current) {
6229 - return '';
6230 - }
6231 - return preg_replace('#__trashed(/?)$#', '$1', $current);
6232 -}
6233 -
6234 -
6235 -
6236 -public function mxchat_handle_product_change($post_id, $post, $update) {
6237 - if ($post->post_type !== 'product') {
6238 - return;
6239 - }
6240 -
6241 - if ($post->post_status === 'publish') {
6242 - add_action('shutdown', function() use ($post_id) {
6243 - $product = wc_get_product($post_id);
6244 - if ($product) {
6245 - $this->mxchat_store_product_embedding($product);
6246 - }
6247 - });
6248 - }
6249 -}
6250 -
6251 -/**
6252 - * Store WooCommerce product embeddings
6253 - */
6254 -private function mxchat_store_product_embedding($product) {
6255 - if (!isset($this->options['enable_woocommerce_integration']) ||
6256 - !in_array($this->options['enable_woocommerce_integration'], ['1', 'on'])) {
6257 - return;
6258 - }
6259 -
6260 - $source_url = get_permalink($product->get_id());
6261 - $product_id = $product->get_id();
6262 -
6263 - // Build product content
6264 - $title = $product->get_name();
6265 - $description = $product->get_description();
6266 - $short_description = $product->get_short_description();
6267 - $regular_price = $product->get_regular_price();
6268 - $sale_price = $product->get_sale_price();
6269 - $price = $product->get_price();
6270 - $sku = $product->get_sku();
6271 -
6272 - // Get currency symbol
6273 - $currency_symbol = get_woocommerce_currency_symbol();
6274 -
6275 - // Format content consistently
6276 - $content = $title . "\n\n";
6277 -
6278 - if (!empty($short_description)) {
6279 - $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
6280 - }
6281 -
6282 - if (!empty($description)) {
6283 - $content .= wp_strip_all_tags($description) . "\n\n";
6284 - }
6285 -
6286 - // Add pricing information
6287 - if (!empty($regular_price)) {
6288 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
6289 - } elseif (!empty($price)) {
6290 - $content .= "Price: " . $currency_symbol . $price . "\n";
6291 - }
6292 -
6293 - if (!empty($sale_price) && $sale_price !== $regular_price) {
6294 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
6295 - }
6296 -
6297 - // Handle variable products - show price range
6298 - if ($product->is_type('variable')) {
6299 - $min_price = $product->get_variation_price('min');
6300 - $max_price = $product->get_variation_price('max');
6301 - if ($min_price !== $max_price) {
6302 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
6303 - }
6304 - }
6305 -
6306 - if (!empty($sku)) {
6307 - $content .= "SKU: " . $sku . "\n";
6308 - }
6309 -
6310 - // Get product categories
6311 - $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
6312 - if (!empty($categories) && !is_wp_error($categories)) {
6313 - $content .= "Categories: " . implode(', ', $categories) . "\n";
6314 - }
6315 -
6316 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
6317 - $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
6318 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
6319 - foreach ($custom_tabs as $tab) {
6320 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
6321 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
6322 -
6323 - if (!empty($tab_title) && !empty($tab_content)) {
6324 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
6325 - }
6326 - }
6327 - }
6328 -
6329 - // Also check for reusable/saved tabs applied to this product
6330 - $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
6331 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
6332 - // Get the saved tabs option
6333 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
6334 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
6335 - foreach ($applied_saved_tabs as $saved_tab_id) {
6336 - if (isset($saved_tabs[$saved_tab_id])) {
6337 - $tab = $saved_tabs[$saved_tab_id];
6338 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
6339 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
6340 -
6341 - if (!empty($tab_title) && !empty($tab_content)) {
6342 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
6343 - }
6344 - }
6345 - }
6346 - }
6347 - }
6348 -
6349 - // Get API key with proper model detection
6350 - $options = get_option('mxchat_options');
6351 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
6352 -
6353 - if (strpos($selected_model, 'voyage') === 0) {
6354 - $api_key = $options['voyage_api_key'] ?? '';
6355 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
6356 - $api_key = $options['gemini_api_key'] ?? '';
6357 - } else {
6358 - $api_key = $options['api_key'] ?? '';
6359 - }
6360 -
6361 - if (empty($api_key)) {
6362 - //error_log('MxChat Auto-sync: No API key configured for embedding model');
6363 - return;
6364 - }
6365 -
6366 - // Use the centralized utility function for storage
6367 - $result = MxChat_Utils::submit_content_to_db(
6368 - $content,
6369 - $source_url,
6370 - $api_key,
6371 - md5($source_url) // Vector ID for Pinecone
6372 - );
6373 -
6374 - // After successful storage, apply role restriction based on tags
6375 - if (!is_wp_error($result)) {
6376 - $this->apply_role_restriction_to_post($product_id, $source_url);
6377 - }
6378 -
6379 - if (is_wp_error($result)) {
6380 - //error_log('MxChat WooCommerce sync failed for product ' . $product_id . ': ' . $result->get_error_message());
6381 - }
6382 -}
6383 -
6384 -public function mxchat_handle_product_delete($post_id) {
6385 - if (get_post_type($post_id) !== 'product') {
6386 - return;
6387 - }
6388 -
6389 - $source_url = $this->mxchat_resolve_pre_trash_url($post_id);
6390 - if (!$source_url) {
6391 - return;
6392 - }
6393 -
6394 - // Chunk-aware deletion (routes to Pinecone or WP DB and removes base + all chunks)
6395 - MxChat_Utils::delete_chunks_for_url($source_url, 'default');
6396 -
6397 - delete_transient('mxchat_prev_url_' . $post_id);
6398 - delete_transient('mxchat_prev_status_' . $post_id);
6399 -}
6400 -
6401 -/**
6402 - * Handle individual Pinecone content deletion
6403 - */
6404 -public function mxchat_handle_pinecone_prompt_delete() {
6405 - // Check permissions
6406 - if (!current_user_can('manage_options')) {
6407 - wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
6408 - }
6409 -
6410 - // Verify nonce
6411 - if (!isset($_GET['_wpnonce']) || !wp_verify_nonce($_GET['_wpnonce'], 'mxchat_delete_pinecone_prompt_nonce')) {
6412 - wp_die(esc_html__('Security check failed.', 'mxchat'));
6413 - }
6414 -
6415 - $vector_id = isset($_GET['vector_id']) ? sanitize_text_field($_GET['vector_id']) : '';
6416 -
6417 - if (empty($vector_id)) {
6418 - set_transient('mxchat_admin_notice_error',
6419 - esc_html__('Invalid vector ID.', 'mxchat'),
6420 - 30
6421 - );
6422 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
6423 - exit;
6424 - }
6425 -
6426 - // Get Pinecone settings
6427 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
6428 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6429 -
6430 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6431 - set_transient('mxchat_admin_notice_error',
6432 - esc_html__('Pinecone is not properly configured.', 'mxchat'),
6433 - 30
6434 - );
6435 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
6436 - exit;
6437 - }
6438 -
6439 - // Delete from Pinecone
6440 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6441 - $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
6442 - $vector_id,
6443 - $pinecone_options['mxchat_pinecone_api_key'],
6444 - $pinecone_options['mxchat_pinecone_host']
6445 - );
6446 -
6447 - if ($result['success']) {
6448 - // No cache clearing needed since we removed caching
6449 - set_transient('mxchat_admin_notice_success',
6450 - esc_html__('Entry deleted successfully from Pinecone.', 'mxchat'),
6451 - 30
6452 - );
6453 - } else {
6454 - set_transient('mxchat_admin_notice_error',
6455 - esc_html__('Failed to delete entry: ', 'mxchat') . $result['message'],
6456 - 30
6457 - );
6458 - }
6459 -
6460 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
6461 - exit;
6462 -}
6463 -/**
6464 - * Handle individual Pinecone content deletion via AJAX
6465 - */
6466 -public function ajax_mxchat_delete_pinecone_prompt() {
6467 - // Verify nonce and permissions
6468 - if (!check_ajax_referer('mxchat_delete_pinecone_prompt_nonce', 'nonce', false)) {
6469 - wp_send_json_error('Invalid nonce');
6470 - exit;
6471 - }
6472 -
6473 - if (!current_user_can('manage_options')) {
6474 - wp_send_json_error('Unauthorized access');
6475 - exit;
6476 - }
6477 -
6478 - $vector_id = isset($_POST['vector_id']) ? sanitize_text_field($_POST['vector_id']) : '';
6479 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6480 -
6481 - if (empty($vector_id)) {
6482 - wp_send_json_error('Missing vector ID');
6483 - exit;
6484 - }
6485 -
6486 - // Get bot-specific Pinecone settings
6487 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6488 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6489 -
6490 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6491 -
6492 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6493 - wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
6494 - exit;
6495 - }
6496 -
6497 - // Delete from the correct Pinecone index
6498 - $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
6499 - $vector_id,
6500 - $pinecone_options['mxchat_pinecone_api_key'],
6501 - $pinecone_options['mxchat_pinecone_host']
6502 - );
6503 -
6504 - if ($result['success']) {
6505 - // No cache clearing needed since we removed caching
6506 - wp_send_json_success(array(
6507 - 'message' => 'Entry deleted successfully from Pinecone',
6508 - 'vector_id' => $vector_id,
6509 - 'bot_id' => $bot_id
6510 - ));
6511 - } else {
6512 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Failed to delete from Pinecone: ' . $result['message'], array('vector_id' => $vector_id, 'bot_id' => $bot_id));
6513 - wp_send_json_error('Failed to delete from Pinecone: ' . $result['message']);
6514 - }
6515 -
6516 - exit;
6517 -}
6518 -
6519 -/**
6520 - * Handle deletion of all chunks for a given source URL via AJAX
6521 - * Follows the same pattern as ajax_mxchat_delete_pinecone_prompt
6522 - */
6523 -public function ajax_mxchat_delete_chunks_by_url() {
6524 - // Verify nonce and permissions
6525 - if (!check_ajax_referer('mxchat_delete_chunks_nonce', 'nonce', false)) {
6526 - wp_send_json_error('Invalid nonce');
6527 - exit;
6528 - }
6529 -
6530 - if (!current_user_can('manage_options')) {
6531 - wp_send_json_error('Unauthorized access');
6532 - exit;
6533 - }
6534 -
6535 - $source_url = isset($_POST['source_url']) ? esc_url_raw($_POST['source_url']) : '';
6536 - $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
6537 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6538 -
6539 - if (empty($source_url)) {
6540 - wp_send_json_error('Missing source URL');
6541 - exit;
6542 - }
6543 -
6544 - // Generate the base vector ID from the source URL (same as how chunks are created)
6545 - $base_vector_id = md5($source_url);
6546 -
6547 - if ($data_source === 'pinecone') {
6548 - // Get bot-specific Pinecone settings (same as working delete function)
6549 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6550 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6551 -
6552 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6553 -
6554 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6555 - wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
6556 - exit;
6557 - }
6558 -
6559 - $api_key = $pinecone_options['mxchat_pinecone_api_key'];
6560 - $host = $pinecone_options['mxchat_pinecone_host'];
6561 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
6562 -
6563 - // Collect all vector IDs to delete
6564 - $vectors_to_delete = array();
6565 -
6566 - // Add the original single-vector ID (for non-chunked content)
6567 - $vectors_to_delete[] = $base_vector_id;
6568 -
6569 - // Use Pinecone list API to find all chunk vectors with this prefix
6570 - // NOTE: Pinecone List API is a GET request with query parameters, not POST
6571 - $prefix = $base_vector_id . '_chunk_';
6572 -
6573 - $query_params = array(
6574 - 'prefix' => $prefix,
6575 - 'limit' => 100
6576 - );
6577 -
6578 - if (!empty($namespace)) {
6579 - $query_params['namespace'] = $namespace;
6580 - }
6581 -
6582 - $list_url = "https://{$host}/vectors/list?" . http_build_query($query_params);
6583 -
6584 - $list_response = wp_remote_get($list_url, array(
6585 - 'headers' => array(
6586 - 'Api-Key' => $api_key,
6587 - 'accept' => 'application/json'
6588 - ),
6589 - 'timeout' => 30
6590 - ));
6591 -
6592 - if (!is_wp_error($list_response)) {
6593 - $list_body_response = wp_remote_retrieve_body($list_response);
6594 - $list_data = json_decode($list_body_response, true);
6595 - if (!empty($list_data['vectors'])) {
6596 - foreach ($list_data['vectors'] as $vector) {
6597 - if (isset($vector['id'])) {
6598 - $vectors_to_delete[] = $vector['id'];
6599 - }
6600 - }
6601 - }
6602 - }
6603 -
6604 - if (empty($vectors_to_delete)) {
6605 - wp_send_json_success(array(
6606 - 'message' => 'No vectors found to delete',
6607 - 'source_url' => $source_url
6608 - ));
6609 - exit;
6610 - }
6611 -
6612 - // Delete all vectors using the same endpoint as the working function
6613 - $delete_url = "https://{$host}/vectors/delete";
6614 -
6615 - $delete_body = array(
6616 - 'ids' => $vectors_to_delete
6617 - );
6618 -
6619 - if (!empty($namespace)) {
6620 - $delete_body['namespace'] = $namespace;
6621 - }
6622 -
6623 - $delete_response = wp_remote_post($delete_url, array(
6624 - 'headers' => array(
6625 - 'Api-Key' => $api_key,
6626 - 'accept' => 'application/json',
6627 - 'content-type' => 'application/json'
6628 - ),
6629 - 'body' => wp_json_encode($delete_body),
6630 - 'timeout' => 30
6631 - ));
6632 -
6633 - if (is_wp_error($delete_response)) {
6634 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Failed to delete chunks from Pinecone: ' . $delete_response->get_error_message(), array('source_url' => $source_url));
6635 - wp_send_json_error('Failed to delete from Pinecone: ' . $delete_response->get_error_message());
6636 - exit;
6637 - }
6638 -
6639 - $response_code = wp_remote_retrieve_response_code($delete_response);
6640 -
6641 - if ($response_code !== 200) {
6642 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Pinecone API error (HTTP ' . $response_code . ')', array('source_url' => $source_url));
6643 - wp_send_json_error('Pinecone API error (HTTP ' . $response_code . ')');
6644 - exit;
6645 - }
6646 -
6647 - wp_send_json_success(array(
6648 - 'message' => 'All chunks deleted successfully from Pinecone',
6649 - 'source_url' => $source_url,
6650 - 'deleted_count' => count($vectors_to_delete)
6651 - ));
6652 -
6653 - } else {
6654 - // WordPress database deletion
6655 - global $wpdb;
6656 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6657 -
6658 - $result = $wpdb->delete(
6659 - $table_name,
6660 - array('source_url' => $source_url),
6661 - array('%s')
6662 - );
6663 -
6664 - if ($result === false) {
6665 - MxChat_Admin::mxchat_log_debug('database_error', 'Failed to delete from database: ' . $wpdb->last_error, array('source_url' => $source_url));
6666 - wp_send_json_error('Failed to delete from database: ' . $wpdb->last_error);
6667 - exit;
6668 - }
6669 -
6670 - wp_send_json_success(array(
6671 - 'message' => 'All chunks deleted successfully from database',
6672 - 'source_url' => $source_url,
6673 - 'deleted_count' => $result
6674 - ));
6675 - }
6676 -
6677 - exit;
6678 -}
6679 -
6680 -/**
6681 - * Handle individual WordPress database content deletion via AJAX
6682 - * Mirrors the Pinecone delete handler but for WordPress database entries
6683 - */
6684 -public function ajax_mxchat_delete_wordpress_prompt() {
6685 - // Verify nonce and permissions
6686 - if (!check_ajax_referer('mxchat_delete_wordpress_prompt_nonce', 'nonce', false)) {
6687 - wp_send_json_error('Invalid nonce');
6688 - exit;
6689 - }
6690 -
6691 - if (!current_user_can('manage_options')) {
6692 - wp_send_json_error('Unauthorized access');
6693 - exit;
6694 - }
6695 -
6696 - $entry_id = isset($_POST['entry_id']) ? intval($_POST['entry_id']) : 0;
6697 -
6698 - if (empty($entry_id)) {
6699 - wp_send_json_error('Missing entry ID');
6700 - exit;
6701 - }
6702 -
6703 - global $wpdb;
6704 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6705 -
6706 - // Clear cache for this entry
6707 - wp_cache_delete('prompt_' . $entry_id, 'mxchat_prompts');
6708 -
6709 - // Delete from database
6710 - $result = $wpdb->delete(
6711 - $table_name,
6712 - array('id' => $entry_id),
6713 - array('%d')
6714 - );
6715 -
6716 - if ($result !== false) {
6717 - wp_send_json_success(array(
6718 - 'message' => 'Entry deleted successfully',
6719 - 'entry_id' => $entry_id
6720 - ));
6721 - } else {
6722 - wp_send_json_error('Failed to delete entry from database');
6723 - }
6724 -
6725 - exit;
6726 -}
6727 -
6728 -/**
6729 - * Handle bulk deletion of knowledge entries via AJAX
6730 - * Supports both Pinecone and WordPress database entries
6731 - */
6732 -public function ajax_mxchat_bulk_delete_knowledge() {
6733 - // Verify nonce and permissions
6734 - if (!check_ajax_referer('mxchat_bulk_delete_knowledge_nonce', 'nonce', false)) {
6735 - wp_send_json_error('Invalid nonce');
6736 - exit;
6737 - }
6738 -
6739 - if (!current_user_can('manage_options')) {
6740 - wp_send_json_error('Unauthorized access');
6741 - exit;
6742 - }
6743 -
6744 - $entries = isset($_POST['entries']) ? $_POST['entries'] : array();
6745 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6746 -
6747 - if (empty($entries) || !is_array($entries)) {
6748 - wp_send_json_error('No entries provided');
6749 - exit;
6750 - }
6751 -
6752 - // Extend execution time — bulk Pinecone operations can take a while
6753 - if (function_exists('set_time_limit')) {
6754 - set_time_limit(120);
6755 - }
6756 -
6757 - $success_ids = array();
6758 - $failed_ids = array();
6759 - $errors = array();
6760 -
6761 - global $wpdb;
6762 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6763 -
6764 - // Get Pinecone manager for Pinecone deletions
6765 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6766 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6767 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6768 -
6769 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
6770 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
6771 -
6772 - // =============================================
6773 - // PHASE 1: Collect all Pinecone vector IDs
6774 - // and separate WordPress entries
6775 - // =============================================
6776 - $pinecone_entry_ids = array(); // entry IDs that are pinecone-sourced
6777 - $wordpress_entries = array(); // entries for WordPress DB deletion
6778 - $all_vector_ids = array(); // all pinecone vector IDs to delete in one batch
6779 -
6780 - foreach ($entries as $entry) {
6781 - $entry_id = sanitize_text_field($entry['id'] ?? '');
6782 - $source = sanitize_text_field($entry['source'] ?? 'wordpress');
6783 - $source_url = isset($entry['sourceUrl']) ? esc_url_raw($entry['sourceUrl']) : '';
6784 - $is_group = isset($entry['isGroup']) && ($entry['isGroup'] === true || $entry['isGroup'] === 'true');
6785 -
6786 - if (empty($entry_id)) {
6787 - continue;
6788 - }
6789 -
6790 - if ($source === 'pinecone') {
6791 - if (!$use_pinecone || empty($api_key)) {
6792 - $failed_ids[] = $entry_id;
6793 - $errors[] = "Pinecone not configured for entry: $entry_id";
6794 - continue;
6795 - }
6796 -
6797 - $pinecone_entry_ids[] = $entry_id;
6798 -
6799 - if ($is_group && !empty($source_url)) {
6800 - // Grouped/chunked entry: collect base ID + chunk IDs via List API
6801 - $base_vector_id = md5($source_url);
6802 - $all_vector_ids[] = $base_vector_id;
6803 -
6804 - $list_url = 'https://' . $host . '/vectors/list?prefix=' . urlencode($base_vector_id . '_chunk_') . '&limit=100';
6805 - $list_response = wp_remote_get($list_url, array(
6806 - 'headers' => array(
6807 - 'Api-Key' => $api_key,
6808 - 'accept' => 'application/json'
6809 - ),
6810 - 'timeout' => 30
6811 - ));
6812 -
6813 - if (!is_wp_error($list_response)) {
6814 - $list_body = json_decode(wp_remote_retrieve_body($list_response), true);
6815 - if (!empty($list_body['vectors']) && is_array($list_body['vectors'])) {
6816 - foreach ($list_body['vectors'] as $vector) {
6817 - if (isset($vector['id'])) {
6818 - $all_vector_ids[] = $vector['id'];
6819 - }
6820 - }
6821 - }
6822 - }
6823 - } else {
6824 - // Single entry: the entry_id IS the vector ID
6825 - $all_vector_ids[] = $entry_id;
6826 - }
6827 - } else {
6828 - $wordpress_entries[] = $entry;
6829 - }
6830 - }
6831 -
6832 - // =============================================
6833 - // PHASE 2: Single batch delete to Pinecone
6834 - // =============================================
6835 - if (!empty($all_vector_ids)) {
6836 - $all_vector_ids = array_values(array_unique($all_vector_ids));
6837 - $pinecone_success = true;
6838 - $batches = array_chunk($all_vector_ids, 100);
6839 -
6840 - foreach ($batches as $batch) {
6841 - $delete_response = wp_remote_post("https://{$host}/vectors/delete", array(
6842 - 'headers' => array(
6843 - 'Api-Key' => $api_key,
6844 - 'accept' => 'application/json',
6845 - 'content-type' => 'application/json'
6846 - ),
6847 - 'body' => wp_json_encode(array('ids' => $batch)),
6848 - 'timeout' => 60
6849 - ));
6850 -
6851 - if (is_wp_error($delete_response)) {
6852 - $pinecone_success = false;
6853 - $errors[] = 'Pinecone batch deletion failed: ' . $delete_response->get_error_message();
6854 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Bulk delete batch failed: ' . $delete_response->get_error_message());
6855 - } else {
6856 - $response_code = wp_remote_retrieve_response_code($delete_response);
6857 - if ($response_code !== 200) {
6858 - $pinecone_success = false;
6859 - $response_body = wp_remote_retrieve_body($delete_response);
6860 - $errors[] = "Pinecone API error (HTTP $response_code)";
6861 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Bulk delete batch failed (HTTP ' . $response_code . ')', array('response' => substr($response_body, 0, 200)));
6862 - }
6863 - }
6864 - }
6865 -
6866 - // Mark all pinecone entries based on batch result
6867 - foreach ($pinecone_entry_ids as $eid) {
6868 - if ($pinecone_success) {
6869 - $success_ids[] = $eid;
6870 - } else {
6871 - $failed_ids[] = $eid;
6872 - }
6873 - }
6874 - }
6875 -
6876 - // =============================================
6877 - // PHASE 3: WordPress database deletions
6878 - // =============================================
6879 - foreach ($wordpress_entries as $entry) {
6880 - $entry_id = sanitize_text_field($entry['id'] ?? '');
6881 - $source_url = isset($entry['sourceUrl']) ? esc_url_raw($entry['sourceUrl']) : '';
6882 - $is_group = isset($entry['isGroup']) && ($entry['isGroup'] === true || $entry['isGroup'] === 'true');
6883 -
6884 - if (empty($entry_id)) {
6885 - continue;
6886 - }
6887 -
6888 - try {
6889 - if ($is_group && !empty($source_url)) {
6890 - $result = $wpdb->delete(
6891 - $table_name,
6892 - array('source_url' => $source_url),
6893 - array('%s')
6894 - );
6895 - } else {
6896 - wp_cache_delete('prompt_' . $entry_id, 'mxchat_prompts');
6897 - $result = $wpdb->delete(
6898 - $table_name,
6899 - array('id' => intval($entry_id)),
6900 - array('%d')
6901 - );
6902 - }
6903 -
6904 - if ($result !== false) {
6905 - $success_ids[] = $entry_id;
6906 - } else {
6907 - $failed_ids[] = $entry_id;
6908 - $errors[] = "Database error for entry: $entry_id";
6909 - }
6910 - } catch (Exception $e) {
6911 - $failed_ids[] = $entry_id;
6912 - $errors[] = $e->getMessage();
6913 - }
6914 - }
6915 -
6916 - wp_send_json_success(array(
6917 - 'success_ids' => $success_ids,
6918 - 'failed_ids' => $failed_ids,
6919 - 'errors' => $errors,
6920 - 'total_processed' => count($success_ids) + count($failed_ids)
6921 - ));
6922 -
6923 - exit;
6924 -}
6925 -
6926 -/**
6927 - * Get hierarchical roles for dropdown
6928 - */
6929 -public function mxchat_get_role_options() {
6930 - return array(
6931 - 'public' => __('Public (Everyone)', 'mxchat'),
6932 - 'logged_in' => __('Logged In Users', 'mxchat'),
6933 - 'subscriber' => __('Subscribers & Above', 'mxchat'),
6934 - 'contributor' => __('Contributors & Above', 'mxchat'),
6935 - 'author' => __('Authors & Above', 'mxchat'),
6936 - 'editor' => __('Editors & Above', 'mxchat'),
6937 - 'administrator' => __('Administrators Only', 'mxchat')
6938 - );
6939 -}
6940 -
6941 -/**
6942 - * Check if user has access to content based on role restriction
6943 - */
6944 -public function mxchat_user_has_content_access($role_restriction) {
6945 - // Public content is always accessible
6946 - if ($role_restriction === 'public' || empty($role_restriction)) {
6947 - return true;
6948 - }
6949 -
6950 - // Check if user is logged in for logged_in restriction
6951 - if ($role_restriction === 'logged_in') {
6952 - return is_user_logged_in();
6953 - }
6954 -
6955 - // If not logged in, no access to role-restricted content
6956 - if (!is_user_logged_in()) {
6957 - return false;
6958 - }
6959 -
6960 - $user = wp_get_current_user();
6961 - $user_roles = $user->roles;
6962 -
6963 - if (empty($user_roles)) {
6964 - return false;
6965 - }
6966 -
6967 - // Define role hierarchy (higher number = higher access)
6968 - $hierarchy = array(
6969 - 'subscriber' => 1,
6970 - 'contributor' => 2,
6971 - 'author' => 3,
6972 - 'editor' => 4,
6973 - 'administrator' => 5
6974 - );
6975 -
6976 - // Get required level
6977 - $required_level = isset($hierarchy[$role_restriction]) ? $hierarchy[$role_restriction] : 0;
6978 -
6979 - // Check if user has required level or higher
6980 - foreach ($user_roles as $user_role) {
6981 - $user_level = isset($hierarchy[$user_role]) ? $hierarchy[$user_role] : 0;
6982 - if ($user_level >= $required_level) {
6983 - return true;
6984 - }
6985 - }
6986 -
6987 - return false;
6988 -}
6989 -
6990 -/**
6991 - * Handle role restriction updates via AJAX
6992 - * Removed cache clearing call since we removed caching
6993 - */
6994 -public function ajax_mxchat_update_role_restriction() {
6995 - // Verify nonce and permissions
6996 - if (!check_ajax_referer('mxchat_update_role_nonce', 'nonce', false)) {
6997 - wp_send_json_error('Invalid nonce');
6998 - exit;
6999 - }
7000 -
7001 - if (!current_user_can('manage_options')) {
7002 - wp_send_json_error('Unauthorized access');
7003 - exit;
7004 - }
7005 -
7006 - $entry_id = isset($_POST['entry_id']) ? sanitize_text_field($_POST['entry_id']) : '';
7007 - $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
7008 - $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
7009 -
7010 - if (empty($entry_id)) {
7011 - wp_send_json_error('Invalid entry ID');
7012 - exit;
7013 - }
7014 -
7015 - // Get knowledge manager instance to validate role restriction
7016 - $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
7017 - $valid_roles = array_keys($knowledge_manager->mxchat_get_role_options());
7018 - if (!in_array($role_restriction, $valid_roles)) {
7019 - wp_send_json_error('Invalid role restriction');
7020 - exit;
7021 - }
7022 -
7023 - global $wpdb;
7024 -
7025 - if ($data_source === 'pinecone') {
7026 - // Handle Pinecone role restriction (stored separately in WordPress table)
7027 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
7028 -
7029 - // Use REPLACE to insert or update the role restriction
7030 - $result = $wpdb->replace(
7031 - $roles_table,
7032 - array(
7033 - 'vector_id' => $entry_id,
7034 - 'role_restriction' => $role_restriction,
7035 - 'updated_at' => current_time('mysql')
7036 - ),
7037 - array('%s', '%s', '%s')
7038 - );
7039 -
7040 - // No cache clearing needed since we removed caching
7041 -
7042 - } else {
7043 - // Handle WordPress database role restriction (existing functionality)
7044 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
7045 -
7046 - $result = $wpdb->update(
7047 - $table_name,
7048 - array('role_restriction' => $role_restriction),
7049 - array('id' => absint($entry_id)),
7050 - array('%s'),
7051 - array('%d')
7052 - );
7053 - }
7054 -
7055 - if ($result === false) {
7056 - wp_send_json_error('Database update failed: ' . $wpdb->last_error);
7057 - exit;
7058 - }
7059 -
7060 - wp_send_json_success(array(
7061 - 'message' => 'Role restriction updated successfully',
7062 - 'role_restriction' => $role_restriction,
7063 - 'data_source' => $data_source,
7064 - 'entry_id' => $entry_id
7065 - ));
7066 - exit;
7067 -}
7068 -
7069 -// ========================================
7070 -// ROLE-BASED CONTENT RESTRICTIONS - NEW FUNCTIONS
7071 -// Add these to your MxChat_Knowledge_Manager class
7072 -// ========================================
7073 -
7074 -/**
7075 - * Initialize role-based content hooks
7076 - * Add this call to your __construct() or mxchat_init_hooks() method
7077 - */
7078 -private function mxchat_init_role_hooks() {
7079 - // AJAX handlers for tag-role mappings
7080 - add_action('wp_ajax_mxchat_add_tag_role_mapping', array($this, 'ajax_add_tag_role_mapping'));
7081 - add_action('wp_ajax_mxchat_delete_tag_role_mapping', array($this, 'ajax_delete_tag_role_mapping'));
7082 - add_action('wp_ajax_mxchat_get_tag_role_mappings', array($this, 'ajax_get_tag_role_mappings'));
7083 - add_action('wp_ajax_mxchat_bulk_update_tag_roles', array($this, 'ajax_bulk_update_tag_roles'));
7084 -
7085 - // Hook to automatically update role restrictions when tags are added/removed
7086 - add_action('set_object_terms', array($this, 'handle_tag_change'), 10, 6);
7087 -
7088 - // Hook to apply role restrictions on auto-sync
7089 - add_action('mxchat_content_stored', array($this, 'apply_role_restriction_after_storage'), 10, 2);
7090 -}
7091 -
7092 -/**
7093 - * Add tag-role mapping via AJAX
7094 - */
7095 -public function ajax_add_tag_role_mapping() {
7096 - // Verify nonce and permissions
7097 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
7098 -
7099 - if (!current_user_can('manage_options')) {
7100 - wp_send_json_error('Unauthorized access');
7101 - exit;
7102 - }
7103 -
7104 - $tag_input = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
7105 - $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
7106 -
7107 - if (empty($tag_input)) {
7108 - wp_send_json_error('Please enter a tag name or slug');
7109 - exit;
7110 - }
7111 -
7112 - // Validate role restriction
7113 - $valid_roles = array_keys($this->mxchat_get_role_options());
7114 - if (!in_array($role_restriction, $valid_roles)) {
7115 - wp_send_json_error('Invalid role restriction');
7116 - exit;
7117 - }
7118 -
7119 - // Resolve the tag by slug first, then fall back to its display name, so users can
7120 - // enter either "premium-content" or "Premium Content". (plan b8bcf5 — the field is
7121 - // labeled by name but previously validated by slug only, producing the confusing
7122 - // "Tag does not exist in WordPress" error when a real tag's name was typed.)
7123 - $term = get_term_by('slug', $tag_input, 'post_tag');
7124 - if (!$term) {
7125 - $term = get_term_by('name', $tag_input, 'post_tag');
7126 - }
7127 - if (!$term) {
7128 - wp_send_json_error('No tag with that name or slug exists yet. Create it under Posts → Tags first, then enter its name or slug.');
7129 - exit;
7130 - }
7131 -
7132 - // Always key the mapping by the RESOLVED slug — apply_role_restriction_to_post()
7133 - // compares against each post's tag slugs, so the stored key must be a slug,
7134 - // never the raw (possibly display-name) input.
7135 - $tag_slug = $term->slug;
7136 -
7137 - // Get existing mappings
7138 - $mappings = get_option('mxchat_tag_role_mappings', array());
7139 -
7140 - // Check if mapping already exists
7141 - if (isset($mappings[$tag_slug])) {
7142 - wp_send_json_error('Mapping for this tag already exists');
7143 - exit;
7144 - }
7145 -
7146 - // Add new mapping
7147 - $mappings[$tag_slug] = $role_restriction;
7148 - update_option('mxchat_tag_role_mappings', $mappings);
7149 -
7150 - wp_send_json_success(array(
7151 - 'message' => 'Tag-role mapping added successfully',
7152 - 'tag_slug' => $tag_slug,
7153 - 'role_restriction' => $role_restriction
7154 - ));
7155 - exit;
7156 -}
7157 -
7158 -/**
7159 - * Delete tag-role mapping via AJAX
7160 - */
7161 -public function ajax_delete_tag_role_mapping() {
7162 - // Verify nonce and permissions
7163 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
7164 -
7165 - if (!current_user_can('manage_options')) {
7166 - wp_send_json_error('Unauthorized access');
7167 - exit;
7168 - }
7169 -
7170 - $tag_slug = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
7171 -
7172 - if (empty($tag_slug)) {
7173 - wp_send_json_error('Tag slug is required');
7174 - exit;
7175 - }
7176 -
7177 - // Get existing mappings
7178 - $mappings = get_option('mxchat_tag_role_mappings', array());
7179 -
7180 - // Check if mapping exists
7181 - if (!isset($mappings[$tag_slug])) {
7182 - wp_send_json_error('Mapping does not exist');
7183 - exit;
7184 - }
7185 -
7186 - // Remove mapping
7187 - unset($mappings[$tag_slug]);
7188 - update_option('mxchat_tag_role_mappings', $mappings);
7189 -
7190 - wp_send_json_success(array(
7191 - 'message' => 'Tag-role mapping deleted successfully',
7192 - 'tag_slug' => $tag_slug
7193 - ));
7194 - exit;
7195 -}
7196 -
7197 -/**
7198 - * Get all tag-role mappings via AJAX
7199 - */
7200 -public function ajax_get_tag_role_mappings() {
7201 - // Verify nonce and permissions
7202 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
7203 -
7204 - if (!current_user_can('manage_options')) {
7205 - wp_send_json_error('Unauthorized access');
7206 - exit;
7207 - }
7208 -
7209 - // Get mappings
7210 - $mappings = get_option('mxchat_tag_role_mappings', array());
7211 - $role_options = $this->mxchat_get_role_options();
7212 -
7213 - $formatted_mappings = array();
7214 -
7215 - foreach ($mappings as $tag_slug => $role_restriction) {
7216 - // Get tag object
7217 - $term = get_term_by('slug', $tag_slug, 'post_tag');
7218 -
7219 - // Count posts with this tag
7220 - $post_count = 0;
7221 - if ($term) {
7222 - $post_count = $term->count;
7223 - }
7224 -
7225 - $formatted_mappings[] = array(
7226 - 'tag_slug' => $tag_slug,
7227 - 'role_restriction' => $role_restriction,
7228 - 'role_label' => $role_options[$role_restriction] ?? $role_restriction,
7229 - 'post_count' => $post_count
7230 - );
7231 - }
7232 -
7233 - wp_send_json_success(array(
7234 - 'mappings' => $formatted_mappings
7235 - ));
7236 - exit;
7237 -}
7238 -
7239 -/**
7240 - * Bulk update role restrictions for all existing content with mapped tags
7241 - */
7242 -public function ajax_bulk_update_tag_roles() {
7243 - // Verify nonce and permissions
7244 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
7245 -
7246 - if (!current_user_can('manage_options')) {
7247 - wp_send_json_error('Unauthorized access');
7248 - exit;
7249 - }
7250 -
7251 - // Get mappings
7252 - $mappings = get_option('mxchat_tag_role_mappings', array());
7253 -
7254 - if (empty($mappings)) {
7255 - wp_send_json_error('No tag-role mappings found');
7256 - exit;
7257 - }
7258 -
7259 - global $wpdb;
7260 -
7261 - // Check if using Pinecone
7262 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
7263 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
7264 -
7265 - $updated_count = 0;
7266 - $details = array();
7267 -
7268 - foreach ($mappings as $tag_slug => $role_restriction) {
7269 - // Get all posts with this tag
7270 - $posts = get_posts(array(
7271 - 'tag' => $tag_slug,
7272 - 'post_type' => 'any',
7273 - 'posts_per_page' => -1,
7274 - 'fields' => 'ids',
7275 - 'post_status' => 'publish'
7276 - ));
7277 -
7278 - if (empty($posts)) {
7279 - continue;
7280 - }
7281 -
7282 - $tag_updated = 0;
7283 -
7284 - foreach ($posts as $post_id) {
7285 - $source_url = get_permalink($post_id);
7286 - if (!$source_url) {
7287 - continue;
7288 - }
7289 -
7290 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
7291 - // Update Pinecone role restriction
7292 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
7293 - $vector_id = md5($source_url);
7294 -
7295 - $result = $wpdb->replace(
7296 - $roles_table,
7297 - array(
7298 - 'vector_id' => $vector_id,
7299 - 'role_restriction' => $role_restriction,
7300 - 'updated_at' => current_time('mysql')
7301 - ),
7302 - array('%s', '%s', '%s')
7303 - );
7304 - } else {
7305 - // Update WordPress DB
7306 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
7307 -
7308 - $result = $wpdb->update(
7309 - $table_name,
7310 - array('role_restriction' => $role_restriction),
7311 - array('source_url' => $source_url),
7312 - array('%s'),
7313 - array('%s')
7314 - );
7315 - }
7316 -
7317 - if ($result !== false) {
7318 - $tag_updated++;
7319 - $updated_count++;
7320 - }
7321 - }
7322 -
7323 - if ($tag_updated > 0) {
7324 - $details[] = sprintf(
7325 - 'Tag "%s" (%s): %d posts updated',
7326 - $tag_slug,
7327 - $role_restriction,
7328 - $tag_updated
7329 - );
7330 - }
7331 - }
7332 -
7333 - wp_send_json_success(array(
7334 - 'message' => 'Bulk update completed',
7335 - 'updated_count' => $updated_count,
7336 - 'tags_processed' => count($mappings),
7337 - 'details' => $details
7338 - ));
7339 - exit;
7340 -}
7341 -
7342 -/**
7343 - * Handle tag changes on posts (when tags are added or removed)
7344 - */
7345 -public function handle_tag_change($object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids) {
7346 - // Only process post tags
7347 - if ($taxonomy !== 'post_tag') {
7348 - return;
7349 - }
7350 -
7351 - // Get tag-role mappings
7352 - $mappings = get_option('mxchat_tag_role_mappings', array());
7353 -
7354 - if (empty($mappings)) {
7355 - return;
7356 - }
7357 -
7358 - // Get the post's URL
7359 - $source_url = get_permalink($object_id);
7360 - if (!$source_url) {
7361 - return;
7362 - }
7363 -
7364 - // Determine the highest role restriction based on tags
7365 - $highest_role = 'public';
7366 - $role_hierarchy = array(
7367 - 'public' => 0,
7368 - 'logged_in' => 1,
7369 - 'subscriber' => 2,
7370 - 'contributor' => 3,
7371 - 'author' => 4,
7372 - 'editor' => 5,
7373 - 'administrator' => 6
7374 - );
7375 -
7376 - // Get all current tags for the post
7377 - $current_tags = wp_get_post_tags($object_id, array('fields' => 'slugs'));
7378 -
7379 - // Find the highest role restriction among the tags
7380 - foreach ($current_tags as $tag_slug) {
7381 - if (isset($mappings[$tag_slug])) {
7382 - $role = $mappings[$tag_slug];
7383 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
7384 - $highest_role = $role;
7385 - }
7386 - }
7387 - }
7388 -
7389 - // Update the role restriction in the database
7390 - global $wpdb;
7391 -
7392 - // Check if using Pinecone
7393 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
7394 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
7395 -
7396 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
7397 - // Update Pinecone role restriction
7398 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
7399 - $vector_id = md5($source_url);
7400 -
7401 - $wpdb->replace(
7402 - $roles_table,
7403 - array(
7404 - 'vector_id' => $vector_id,
7405 - 'role_restriction' => $highest_role,
7406 - 'updated_at' => current_time('mysql')
7407 - ),
7408 - array('%s', '%s', '%s')
7409 - );
7410 - } else {
7411 - // Update WordPress DB
7412 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
7413 -
7414 - $wpdb->update(
7415 - $table_name,
7416 - array('role_restriction' => $highest_role),
7417 - array('source_url' => $source_url),
7418 - array('%s'),
7419 - array('%s')
7420 - );
7421 - }
7422 -}
7423 -
7424 -/**
7425 - * Apply role restriction after content is stored (for auto-sync)
7426 - */
7427 -public function apply_role_restriction_after_storage($post_id, $source_url) {
7428 - // Get tag-role mappings
7429 - $mappings = get_option('mxchat_tag_role_mappings', array());
7430 -
7431 - if (empty($mappings)) {
7432 - return;
7433 - }
7434 -
7435 - // Get all tags for the post
7436 - $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
7437 -
7438 - if (empty($post_tags)) {
7439 - return;
7440 - }
7441 -
7442 - // Determine the highest role restriction based on tags
7443 - $highest_role = 'public';
7444 - $role_hierarchy = array(
7445 - 'public' => 0,
7446 - 'logged_in' => 1,
7447 - 'subscriber' => 2,
7448 - 'contributor' => 3,
7449 - 'author' => 4,
7450 - 'editor' => 5,
7451 - 'administrator' => 6
7452 - );
7453 -
7454 - foreach ($post_tags as $tag_slug) {
7455 - if (isset($mappings[$tag_slug])) {
7456 - $role = $mappings[$tag_slug];
7457 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
7458 - $highest_role = $role;
7459 - }
7460 - }
7461 - }
7462 -
7463 - // If no restricted tags found, return (leave as public)
7464 - if ($highest_role === 'public') {
7465 - return;
7466 - }
7467 -
7468 - // Update the role restriction
7469 - global $wpdb;
7470 -
7471 - // Check if using Pinecone
7472 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
7473 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
7474 -
7475 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
7476 - // Update Pinecone role restriction
7477 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
7478 - $vector_id = md5($source_url);
7479 -
7480 - $wpdb->replace(
7481 - $roles_table,
7482 - array(
7483 - 'vector_id' => $vector_id,
7484 - 'role_restriction' => $highest_role,
7485 - 'updated_at' => current_time('mysql')
7486 - ),
7487 - array('%s', '%s', '%s')
7488 - );
7489 - } else {
7490 - // Update WordPress DB
7491 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
7492 -
7493 - $wpdb->update(
7494 - $table_name,
7495 - array('role_restriction' => $highest_role),
7496 - array('source_url' => $source_url),
7497 - array('%s'),
7498 - array('%s')
7499 - );
7500 - }
7501 -}
7502 -
7503 -
7504 - // ========================================
7505 - // HELPER METHODS
7506 - // ========================================
7507 -
7508 - /**
7509 - * Check if user has required permissions for content processing
7510 - */
7511 - private function mxchat_check_user_permissions() {
7512 - if (!current_user_can('manage_options')) {
7513 - wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
7514 - }
7515 - }
7516 -
7517 - /**
7518 - * Validate nonce for security
7519 - */
7520 - private function mxchat_validate_nonce($nonce_name, $nonce_action) {
7521 - if (!isset($_POST[$nonce_name]) || !wp_verify_nonce($_POST[$nonce_name], $nonce_action)) {
7522 - wp_die(esc_html__('Security check failed.', 'mxchat'));
7523 - }
7524 - }
7525 -
7526 - /**
7527 - * Get embedding API credentials
7528 - */
7529 - private function mxchat_get_embedding_credentials() {
7530 - $embedding_model = $this->options['embedding_model'] ?? 'text-embedding-ada-002';
7531 -
7532 - if (strpos($embedding_model, 'text-embedding-') !== false) {
7533 - return array(
7534 - 'type' => 'openai',
7535 - 'api_key' => $this->options['api_key'] ?? ''
7536 - );
7537 - } elseif (strpos($embedding_model, 'voyage-') !== false) {
7538 - return array(
7539 - 'type' => 'voyage',
7540 - 'api_key' => $this->options['voyage_api_key'] ?? ''
7541 - );
7542 - } elseif (strpos($embedding_model, 'gemini-embedding-') !== false) {
7543 - return array(
7544 - 'type' => 'gemini',
7545 - 'api_key' => $this->options['gemini_api_key'] ?? ''
7546 - );
7547 - }
7548 -
7549 - return array('type' => 'unknown', 'api_key' => '');
7550 - }
7551 -
7552 - /**
7553 - * Log processing errors
7554 - */
7555 - private function mxchat_log_processing_error($operation, $error_message) {
7556 - //error_log("MxChat Knowledge Processing {$operation} Error: " . $error_message);
7557 - }
7558 -
7559 - /**
7560 - * Set admin notice transient
7561 - */
7562 - private function mxchat_set_admin_notice($type, $message) {
7563 - set_transient("mxchat_admin_notice_{$type}", $message, 30);
7564 - }
7565 -
7566 - /**
7567 - * Get Pinecone manager instance for vector operations
7568 - */
7569 - private function mxchat_get_pinecone_manager() {
7570 - return MxChat_Pinecone_Manager::get_instance();
7571 - }
7572 -
7573 -
7574 - // ========================================
7575 -// DATABASE QUEUE TABLE MANAGEMENT
7576 -// ========================================
7577 -
7578 -/**
7579 - * Create queue table on plugin activation
7580 - * Call this from your plugin activation hook
7581 - */
7582 -public function mxchat_create_queue_table() {
7583 - global $wpdb;
7584 -
7585 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7586 - $charset_collate = $wpdb->get_charset_collate();
7587 -
7588 - $sql = "CREATE TABLE IF NOT EXISTS $table_name (
7589 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
7590 - queue_id varchar(64) NOT NULL,
7591 - item_type varchar(20) NOT NULL,
7592 - item_data longtext NOT NULL,
7593 - status varchar(20) NOT NULL DEFAULT 'pending',
7594 - bot_id varchar(50) NOT NULL DEFAULT 'default',
7595 - priority int(11) NOT NULL DEFAULT 0,
7596 - attempts int(11) NOT NULL DEFAULT 0,
7597 - max_attempts int(11) NOT NULL DEFAULT 3,
7598 - error_message text DEFAULT NULL,
7599 - created_at datetime NOT NULL,
7600 - started_at datetime DEFAULT NULL,
7601 - completed_at datetime DEFAULT NULL,
7602 - PRIMARY KEY (id),
7603 - KEY queue_id (queue_id),
7604 - KEY status (status),
7605 - KEY item_type (item_type),
7606 - KEY priority (priority)
7607 - ) $charset_collate;";
7608 -
7609 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
7610 - dbDelta($sql);
7611 -
7612 - // Also create a meta table for queue metadata
7613 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7614 -
7615 - $meta_sql = "CREATE TABLE IF NOT EXISTS $meta_table (
7616 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
7617 - queue_id varchar(64) NOT NULL,
7618 - meta_key varchar(255) NOT NULL,
7619 - meta_value longtext,
7620 - PRIMARY KEY (id),
7621 - KEY queue_id (queue_id),
7622 - KEY meta_key (meta_key)
7623 - ) $charset_collate;";
7624 -
7625 - dbDelta($meta_sql);
7626 -}
7627 -
7628 -/**
7629 - * Add items to the processing queue
7630 - *
7631 - * @param string $queue_id Unique identifier for this queue batch
7632 - * @param string $item_type Type of item (url, pdf_page)
7633 - * @param array $items Array of items to queue
7634 - * @param string $bot_id Bot ID for processing
7635 - * @return int Number of items queued
7636 - */
7637 -private function mxchat_add_to_queue($queue_id, $item_type, $items, $bot_id = 'default') {
7638 - global $wpdb;
7639 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7640 -
7641 - $queued_count = 0;
7642 - $priority = 0;
7643 -
7644 - foreach ($items as $item) {
7645 - $result = $wpdb->insert(
7646 - $table_name,
7647 - array(
7648 - 'queue_id' => $queue_id,
7649 - 'item_type' => $item_type,
7650 - 'item_data' => wp_json_encode($item),
7651 - 'status' => 'pending',
7652 - 'bot_id' => $bot_id,
7653 - 'priority' => $priority,
7654 - 'attempts' => 0,
7655 - 'max_attempts' => 3,
7656 - 'created_at' => current_time('mysql')
7657 - ),
7658 - array('%s', '%s', '%s', '%s', '%s', '%d', '%d', '%d', '%s')
7659 - );
7660 -
7661 - if ($result) {
7662 - $queued_count++;
7663 - }
7664 -
7665 - $priority++; // Process in order
7666 - }
7667 -
7668 - return $queued_count;
7669 -}
7670 -
7671 -/**
7672 - * Store queue metadata (total counts, source URL, etc.)
7673 - */
7674 -private function mxchat_set_queue_meta($queue_id, $meta_key, $meta_value) {
7675 - global $wpdb;
7676 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7677 -
7678 - // Check if meta exists
7679 - $existing = $wpdb->get_var($wpdb->prepare(
7680 - "SELECT id FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
7681 - $queue_id,
7682 - $meta_key
7683 - ));
7684 -
7685 - if ($existing) {
7686 - // Update
7687 - $wpdb->update(
7688 - $meta_table,
7689 - array('meta_value' => maybe_serialize($meta_value)),
7690 - array('queue_id' => $queue_id, 'meta_key' => $meta_key),
7691 - array('%s'),
7692 - array('%s', '%s')
7693 - );
7694 - } else {
7695 - // Insert
7696 - $wpdb->insert(
7697 - $meta_table,
7698 - array(
7699 - 'queue_id' => $queue_id,
7700 - 'meta_key' => $meta_key,
7701 - 'meta_value' => maybe_serialize($meta_value)
7702 - ),
7703 - array('%s', '%s', '%s')
7704 - );
7705 - }
7706 -}
7707 -
7708 -/**
7709 - * Get queue metadata
7710 - */
7711 -private function mxchat_get_queue_meta($queue_id, $meta_key) {
7712 - global $wpdb;
7713 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7714 -
7715 - $value = $wpdb->get_var($wpdb->prepare(
7716 - "SELECT meta_value FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
7717 - $queue_id,
7718 - $meta_key
7719 - ));
7720 -
7721 - return maybe_unserialize($value);
7722 -}
7723 -
7724 -// ========================================
7725 -// AJAX QUEUE PROCESSING HANDLERS
7726 -// ========================================
7727 -
7728 -/**
7729 - * AJAX: Get next item from queue to process
7730 - */
7731 -public function ajax_mxchat_get_next_queue_item() {
7732 - // Verify nonce and permissions
7733 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
7734 -
7735 - if (!current_user_can('manage_options')) {
7736 - wp_send_json_error('Unauthorized access');
7737 - }
7738 -
7739 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
7740 -
7741 - if (empty($queue_id)) {
7742 - wp_send_json_error('Missing queue ID');
7743 - }
7744 -
7745 - global $wpdb;
7746 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7747 -
7748 - // Get next pending item with retry logic for failed items
7749 - $next_item = $wpdb->get_row($wpdb->prepare(
7750 - "SELECT * FROM $table_name
7751 - WHERE queue_id = %s
7752 - AND status IN ('pending', 'failed')
7753 - AND attempts < max_attempts
7754 - ORDER BY priority ASC, id ASC
7755 - LIMIT 1",
7756 - $queue_id
7757 - ));
7758 -
7759 - if (!$next_item) {
7760 - // No more items - queue complete
7761 - wp_send_json_success(array(
7762 - 'complete' => true,
7763 - 'message' => 'Queue processing complete'
7764 - ));
7765 - }
7766 -
7767 - // Mark item as processing
7768 - $wpdb->update(
7769 - $table_name,
7770 - array(
7771 - 'status' => 'processing',
7772 - 'started_at' => current_time('mysql'),
7773 - 'attempts' => $next_item->attempts + 1
7774 - ),
7775 - array('id' => $next_item->id),
7776 - array('%s', '%s', '%d'),
7777 - array('%d')
7778 - );
7779 -
7780 - wp_send_json_success(array(
7781 - 'complete' => false,
7782 - 'item' => array(
7783 - 'id' => $next_item->id,
7784 - 'type' => $next_item->item_type,
7785 - 'data' => json_decode($next_item->item_data, true),
7786 - 'bot_id' => $next_item->bot_id,
7787 - 'attempt' => $next_item->attempts + 1
7788 - )
7789 - ));
7790 -}
7791 -
7792 -/**
7793 - * AJAX: Process a single queue item
7794 - */
7795 -public function ajax_mxchat_process_queue_item() {
7796 - // Verify nonce and permissions
7797 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
7798 -
7799 - if (!current_user_can('manage_options')) {
7800 - wp_send_json_error('Unauthorized access');
7801 - }
7802 -
7803 - $item_id = isset($_POST['item_id']) ? absint($_POST['item_id']) : 0;
7804 - $item_type = isset($_POST['item_type']) ? sanitize_text_field($_POST['item_type']) : '';
7805 - $item_data = isset($_POST['item_data']) ? $_POST['item_data'] : array();
7806 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
7807 -
7808 - if (empty($item_id) || empty($item_type)) {
7809 - wp_send_json_error('Missing item data');
7810 - }
7811 -
7812 - global $wpdb;
7813 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7814 -
7815 - // Process based on item type
7816 - try {
7817 - set_time_limit(60); // Give processing 60 seconds
7818 -
7819 - $result = false;
7820 - $error_message = '';
7821 -
7822 - // Read item directly from DB to get queue_id and preserve special chars in item_data
7823 - // (POST round-trip through JS mangles characters like apostrophes in URLs)
7824 - $db_item = $wpdb->get_row($wpdb->prepare(
7825 - "SELECT queue_id, item_data FROM $table_name WHERE id = %d",
7826 - $item_id
7827 - ));
7828 - $item_queue_id = $db_item ? $db_item->queue_id : '';
7829 - if ($db_item && !empty($db_item->item_data)) {
7830 - $db_data = json_decode($db_item->item_data, true);
7831 - if (is_array($db_data)) {
7832 - $item_data = $db_data;
7833 - }
7834 - }
7835 -
7836 - switch ($item_type) {
7837 - case 'url':
7838 - $result = $this->mxchat_process_queue_url($item_data, $bot_id, $item_queue_id);
7839 - break;
7840 -
7841 - case 'pdf_page':
7842 - $result = $this->mxchat_process_queue_pdf_page($item_data, $bot_id);
7843 - break;
7844 -
7845 - default:
7846 - throw new Exception('Unknown item type: ' . $item_type);
7847 - }
7848 -
7849 - if (is_wp_error($result)) {
7850 - $error_code = $result->get_error_code();
7851 - // Content errors (empty page, sanitization) are permanent — retrying won't help
7852 - $permanent_codes = array('empty_page', 'empty_after_sanitization', 'no_api_key', 'page_not_found');
7853 - if (in_array($error_code, $permanent_codes)) {
7854 - // Mark as permanently failed — set attempts = max_attempts so it won't be retried
7855 - $current_item = $wpdb->get_row($wpdb->prepare(
7856 - "SELECT max_attempts FROM $table_name WHERE id = %d", $item_id
7857 - ));
7858 - $wpdb->update(
7859 - $table_name,
7860 - array(
7861 - 'status' => 'failed',
7862 - 'error_message' => $result->get_error_message(),
7863 - 'attempts' => $current_item ? $current_item->max_attempts : 3
7864 - ),
7865 - array('id' => $item_id),
7866 - array('%s', '%s', '%d'),
7867 - array('%d')
7868 - );
7869 - wp_send_json_error(array(
7870 - 'message' => $result->get_error_message(),
7871 - 'permanent_failure' => true,
7872 - 'item_id' => $item_id
7873 - ));
7874 - return;
7875 - }
7876 - throw new Exception($result->get_error_message());
7877 - }
7878 -
7879 - if ($result === false) {
7880 - throw new Exception('Processing returned false - item may be empty or invalid');
7881 - }
7882 -
7883 - // Mark as completed
7884 - $wpdb->update(
7885 - $table_name,
7886 - array(
7887 - 'status' => 'completed',
7888 - 'completed_at' => current_time('mysql'),
7889 - 'error_message' => null
7890 - ),
7891 - array('id' => $item_id),
7892 - array('%s', '%s', '%s'),
7893 - array('%d')
7894 - );
7895 -
7896 - wp_send_json_success(array(
7897 - 'processed' => true,
7898 - 'item_id' => $item_id,
7899 - 'message' => 'Item processed successfully'
7900 - ));
7901 -
7902 - } catch (Exception $e) {
7903 - $error_message = $e->getMessage();
7904 -
7905 - // Get current attempt count
7906 - $item = $wpdb->get_row($wpdb->prepare(
7907 - "SELECT attempts, max_attempts FROM $table_name WHERE id = %d",
7908 - $item_id
7909 - ));
7910 -
7911 - // Check if we've exhausted retries
7912 - if ($item && $item->attempts >= $item->max_attempts) {
7913 - // Permanently failed
7914 - $wpdb->update(
7915 - $table_name,
7916 - array(
7917 - 'status' => 'failed',
7918 - 'error_message' => $error_message
7919 - ),
7920 - array('id' => $item_id),
7921 - array('%s', '%s'),
7922 - array('%d')
7923 - );
7924 -
7925 - wp_send_json_error(array(
7926 - 'message' => 'Item failed after maximum attempts: ' . $error_message,
7927 - 'permanent_failure' => true,
7928 - 'item_id' => $item_id
7929 - ));
7930 - } else {
7931 - // Mark for retry
7932 - $wpdb->update(
7933 - $table_name,
7934 - array(
7935 - 'status' => 'failed',
7936 - 'error_message' => $error_message
7937 - ),
7938 - array('id' => $item_id),
7939 - array('%s', '%s'),
7940 - array('%d')
7941 - );
7942 -
7943 - wp_send_json_error(array(
7944 - 'message' => 'Item processing failed, will retry: ' . $error_message,
7945 - 'can_retry' => true,
7946 - 'item_id' => $item_id,
7947 - 'attempts' => $item ? $item->attempts : 0
7948 - ));
7949 - }
7950 - }
7951 -}
7952 -
7953 -/**
7954 - * Process a URL from the queue
7955 - */
7956 -private function mxchat_process_queue_url($item_data, $bot_id = 'default', $queue_id = '') {
7957 - $url = isset($item_data['url']) ? $item_data['url'] : '';
7958 -
7959 - if (empty($url)) {
7960 - return new WP_Error('invalid_url', 'URL is empty');
7961 - }
7962 -
7963 - // Get bot-specific API key early (needed for both paths)
7964 - $bot_options = $this->get_bot_options($bot_id);
7965 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
7966 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
7967 -
7968 - if (strpos($selected_model, 'voyage') === 0) {
7969 - $api_key = $options['voyage_api_key'] ?? '';
7970 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
7971 - $api_key = $options['gemini_api_key'] ?? '';
7972 - } else {
7973 - $api_key = $options['api_key'] ?? '';
7974 - }
7975 -
7976 - if (empty($api_key)) {
7977 - return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
7978 - }
7979 -
7980 - // Check if this is a WooCommerce product URL and WooCommerce is active
7981 - $is_product_url = (strpos($url, '/product/') !== false || strpos($url, '/shop/') !== false);
7982 - $content_type = $is_product_url ? 'product' : 'url';
7983 -
7984 - // Try to get WooCommerce product data if it's a product URL
7985 - if ($is_product_url && class_exists('WooCommerce')) {
7986 - $product_content = $this->mxchat_extract_woocommerce_product_content($url);
7987 -
7988 - if (!empty($product_content)) {
7989 - // Successfully extracted WooCommerce product data with pricing
7990 - $result = MxChat_Utils::submit_content_to_db(
7991 - $product_content,
7992 - $url,
7993 - $api_key,
7994 - null,
7995 - $bot_id,
7996 - 'product'
7997 - );
7998 - return $result;
7999 - }
8000 - // If WooCommerce extraction failed, fall through to HTML extraction
8001 - }
8002 -
8003 - // Fetch URL content (fallback for non-products or when WooCommerce extraction fails)
8004 - $is_likely_pdf = (strtolower(pathinfo(parse_url($url, PHP_URL_PATH) ?: '', PATHINFO_EXTENSION)) === 'pdf');
8005 - $response = wp_remote_get($url, array(
8006 - 'timeout' => $is_likely_pdf ? 120 : 30,
8007 - 'redirection' => 5,
8008 - 'user-agent' => mxchat_ingest_user_agent(),
8009 - ));
8010 -
8011 - if (is_wp_error($response)) {
8012 - return $response;
8013 - }
8014 -
8015 - $response_code = wp_remote_retrieve_response_code($response);
8016 - if ($response_code !== 200) {
8017 - return new WP_Error('http_error', 'HTTP ' . $response_code . ' error for: ' . $url);
8018 - }
8019 -
8020 - // Check if URL is a PDF — expand into per-page queue items using the standard PDF pipeline
8021 - if ($this->mxchat_is_pdf_url($url, $response)) {
8022 - return $this->mxchat_expand_pdf_to_queue($url, $response, $bot_id, $queue_id);
8023 - }
8024 -
8025 - $html = wp_remote_retrieve_body($response);
8026 -
8027 - if (empty($html)) {
8028 - return new WP_Error('empty_response', 'Empty response body');
8029 - }
8030 -
8031 - // Extract and sanitize content
8032 - $content = $this->mxchat_extract_main_content($html);
8033 - $sanitized = $this->mxchat_sanitize_content_for_api($content);
8034 -
8035 - if (empty($sanitized)) {
8036 - // Not an error - just no content found (maybe a redirect or empty page)
8037 - return false;
8038 - }
8039 -
8040 - // Submit to database with content_type
8041 - $result = MxChat_Utils::submit_content_to_db(
8042 - $sanitized,
8043 - $url,
8044 - $api_key,
8045 - null,
8046 - $bot_id,
8047 - $content_type
8048 - );
8049 -
8050 - return $result;
8051 -}
8052 -
8053 -/**
8054 - * Expand a PDF URL into per-page queue items using the standard PDF pipeline.
8055 - * Called when a sitemap URL turns out to be a PDF — downloads, parses page count,
8056 - * and adds pdf_page items to the same queue so they process with full progress tracking.
8057 - */
8058 -private function mxchat_expand_pdf_to_queue($pdf_url, $response, $bot_id = 'default', $queue_id = '') {
8059 - set_time_limit(120); // PDFs need extra time for download + parsing
8060 -
8061 - $upload_dir = wp_upload_dir();
8062 - $pdf_filename = sanitize_file_name('mxchat_kb_' . md5($pdf_url) . '.pdf');
8063 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
8064 -
8065 - $response_body = wp_remote_retrieve_body($response);
8066 - if (empty($response_body)) {
8067 - return new WP_Error('empty_pdf', 'Empty PDF response for: ' . $pdf_url);
8068 - }
8069 -
8070 - if (!wp_mkdir_p(dirname($pdf_path))) {
8071 - return new WP_Error('dir_error', 'Failed to create upload directory');
8072 - }
8073 -
8074 - file_put_contents($pdf_path, $response_body);
8075 -
8076 - if (!file_exists($pdf_path)) {
8077 - return new WP_Error('save_error', 'Failed to save PDF file');
8078 - }
8079 -
8080 - try {
8081 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
8082 -
8083 - if ($total_pages === false || $total_pages < 1) {
8084 - wp_delete_file($pdf_path);
8085 - return new WP_Error('no_pages', 'PDF has no pages: ' . $pdf_url);
8086 - }
8087 -
8088 - // Build per-page items identical to mxchat_handle_pdf_for_knowledge_base
8089 - $pages = array();
8090 - for ($i = 1; $i <= $total_pages; $i++) {
8091 - $pages[] = array(
8092 - 'pdf_path' => $pdf_path,
8093 - 'pdf_url' => $pdf_url,
8094 - 'page_number' => $i,
8095 - 'total_pages' => $total_pages
8096 - );
8097 - }
8098 -
8099 - // Add pdf_page items to the SAME queue so the JS picks them up automatically
8100 - if (!empty($queue_id)) {
8101 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
8102 - } else {
8103 - // Fallback: create a new PDF queue (shouldn't happen in sitemap flow)
8104 - $new_queue_id = 'pdf_' . md5($pdf_url . time());
8105 - $queued_count = $this->mxchat_add_to_queue($new_queue_id, 'pdf_page', $pages, $bot_id);
8106 - $this->mxchat_set_queue_meta($new_queue_id, 'source_url', $pdf_url);
8107 - $this->mxchat_set_queue_meta($new_queue_id, 'queue_type', 'pdf');
8108 - $this->mxchat_set_queue_meta($new_queue_id, 'total_items', $total_pages);
8109 - $this->mxchat_set_queue_meta($new_queue_id, 'bot_id', $bot_id);
8110 - $this->mxchat_set_queue_meta($new_queue_id, 'pdf_path', $pdf_path);
8111 - $this->mxchat_set_queue_meta($new_queue_id, 'created_at', current_time('mysql'));
8112 - }
8113 -
8114 - if ($queued_count === 0) {
8115 - wp_delete_file($pdf_path);
8116 - return new WP_Error('queue_error', 'Failed to add PDF pages to queue');
8117 - }
8118 -
8119 - // Return true so the original URL item is marked complete
8120 - // The new pdf_page items will be processed in subsequent batches
8121 - return true;
8122 -
8123 - } catch (Exception $e) {
8124 - if (file_exists($pdf_path)) {
8125 - wp_delete_file($pdf_path);
8126 - }
8127 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
8128 - }
8129 -}
8130 -
8131 -/**
8132 - * Legacy: Process a PDF URL inline during sitemap queue processing.
8133 - * @deprecated Use mxchat_expand_pdf_to_queue instead — kept for reference only.
8134 - */
8135 -private function mxchat_process_pdf_url_inline($pdf_url, $response, $api_key, $bot_id = 'default') {
8136 - set_time_limit(120); // PDFs need more time — downloading + parsing all pages
8137 -
8138 - $upload_dir = wp_upload_dir();
8139 - $pdf_filename = sanitize_file_name('mxchat_kb_' . md5($pdf_url) . '.pdf');
8140 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
8141 -
8142 - $response_body = wp_remote_retrieve_body($response);
8143 - if (empty($response_body)) {
8144 - return new WP_Error('empty_pdf', 'Empty PDF response');
8145 - }
8146 -
8147 - if (!wp_mkdir_p(dirname($pdf_path))) {
8148 - return new WP_Error('dir_error', 'Failed to create upload directory');
8149 - }
8150 -
8151 - file_put_contents($pdf_path, $response_body);
8152 -
8153 - if (!file_exists($pdf_path)) {
8154 - return new WP_Error('save_error', 'Failed to save PDF file');
8155 - }
8156 -
8157 - try {
8158 - mxchat_load_pdf_parser();
8159 - $parser = new \Smalot\PdfParser\Parser();
8160 - $pdf = $parser->parseFile($pdf_path);
8161 - $pages = $pdf->getPages();
8162 - $total_pages = count($pages);
8163 -
8164 - if ($total_pages < 1) {
8165 - wp_delete_file($pdf_path);
8166 - return new WP_Error('no_pages', 'PDF has no pages');
8167 - }
8168 -
8169 - $processed = 0;
8170 - $skipped_pages = array();
8171 -
8172 - for ($i = 0; $i < $total_pages; $i++) {
8173 - $page_num = $i + 1;
8174 - $text = $pages[$i]->getText();
8175 - if (empty($text)) {
8176 - $skipped_pages[] = 'Page ' . $page_num . ': No text could be extracted — page may contain only images, links, or non-standard encoding';
8177 - continue;
8178 - }
8179 -
8180 - $sanitized = $this->mxchat_sanitize_content_for_api($text);
8181 - if (empty($sanitized)) {
8182 - $skipped_pages[] = 'Page ' . $page_num . ': Text was extracted but contained only special characters, control codes, or unsupported content';
8183 - continue;
8184 - }
8185 -
8186 - $metadata = array(
8187 - 'document_type' => 'pdf',
8188 - 'total_pages' => $total_pages,
8189 - 'current_page' => $page_num,
8190 - 'source_url' => $pdf_url,
8191 - );
8192 -
8193 - $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized;
8194 - $page_url = esc_url($pdf_url . '#page=' . $page_num);
8195 -
8196 - MxChat_Utils::submit_content_to_db(
8197 - $content_with_metadata,
8198 - $page_url,
8199 - $api_key,
8200 - null,
8201 - $bot_id,
8202 - 'pdf'
8203 - );
8204 -
8205 - $processed++;
8206 - }
8207 -
8208 - // Clean up the temp PDF file
8209 - wp_delete_file($pdf_path);
8210 -
8211 - if (!empty($skipped_pages)) {
8212 - error_log('MxChat PDF: Skipped ' . count($skipped_pages) . ' of ' . $total_pages . ' pages: ' . implode('; ', $skipped_pages));
8213 - }
8214 -
8215 - return $processed > 0 ? true : false;
8216 -
8217 - } catch (Exception $e) {
8218 - if (file_exists($pdf_path)) {
8219 - wp_delete_file($pdf_path);
8220 - }
8221 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
8222 - }
8223 -}
8224 -
8225 -/**
8226 - * Extract WooCommerce product content including pricing
8227 - *
8228 - * @param string $url The product URL
8229 - * @return string|false Product content with pricing, or false if not found
8230 - */
8231 -private function mxchat_extract_woocommerce_product_content($url) {
8232 - // Try to get product ID from URL
8233 - $product_id = url_to_postid($url);
8234 -
8235 - // If url_to_postid fails, try to extract from URL pattern
8236 - if (!$product_id) {
8237 - $product_slug = '';
8238 -
8239 - // Handle pretty permalinks: /product/product-name/
8240 - if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
8241 - $product_slug = $matches[1];
8242 - }
8243 -
8244 - if (!empty($product_slug)) {
8245 - $product_post = get_page_by_path($product_slug, OBJECT, 'product');
8246 - if ($product_post) {
8247 - $product_id = $product_post->ID;
8248 - }
8249 - }
8250 - }
8251 -
8252 - if (!$product_id) {
8253 - return false;
8254 - }
8255 -
8256 - // Get WooCommerce product object
8257 - $product = wc_get_product($product_id);
8258 -
8259 - if (!$product) {
8260 - return false;
8261 - }
8262 -
8263 - // Build product content with pricing (similar to mxchat_store_product_embedding)
8264 - $title = $product->get_name();
8265 - $description = $product->get_description();
8266 - $short_description = $product->get_short_description();
8267 - $sku = $product->get_sku();
8268 -
8269 - // Get pricing information
8270 - $regular_price = $product->get_regular_price();
8271 - $sale_price = $product->get_sale_price();
8272 - $price = $product->get_price(); // Current active price
8273 -
8274 - // Get currency symbol
8275 - $currency_symbol = get_woocommerce_currency_symbol();
8276 -
8277 - // Format content
8278 - $content = $title . "\n\n";
8279 -
8280 - if (!empty($short_description)) {
8281 - $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
8282 - }
8283 -
8284 - if (!empty($description)) {
8285 - $content .= wp_strip_all_tags($description) . "\n\n";
8286 - }
8287 -
8288 - // Add pricing information
8289 - if (!empty($regular_price)) {
8290 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
8291 - } elseif (!empty($price)) {
8292 - $content .= "Price: " . $currency_symbol . $price . "\n";
8293 - }
8294 -
8295 - if (!empty($sale_price) && $sale_price !== $regular_price) {
8296 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
8297 - }
8298 -
8299 - // Handle variable products - show price range
8300 - if ($product->is_type('variable')) {
8301 - $min_price = $product->get_variation_price('min');
8302 - $max_price = $product->get_variation_price('max');
8303 - if ($min_price !== $max_price) {
8304 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
8305 - }
8306 - }
8307 -
8308 - if (!empty($sku)) {
8309 - $content .= "SKU: " . $sku . "\n";
8310 - }
8311 -
8312 - // Get product categories
8313 - $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
8314 - if (!empty($categories) && !is_wp_error($categories)) {
8315 - $content .= "Categories: " . implode(', ', $categories) . "\n";
8316 - }
8317 -
8318 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
8319 - $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
8320 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
8321 - foreach ($custom_tabs as $tab) {
8322 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
8323 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
8324 -
8325 - if (!empty($tab_title) && !empty($tab_content)) {
8326 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
8327 - }
8328 - }
8329 - }
8330 -
8331 - // Also check for reusable/saved tabs applied to this product
8332 - $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
8333 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
8334 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
8335 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
8336 - foreach ($applied_saved_tabs as $saved_tab_id) {
8337 - if (isset($saved_tabs[$saved_tab_id])) {
8338 - $tab = $saved_tabs[$saved_tab_id];
8339 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
8340 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
8341 -
8342 - if (!empty($tab_title) && !empty($tab_content)) {
8343 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
8344 - }
8345 - }
8346 - }
8347 - }
8348 - }
8349 -
8350 - return $this->mxchat_sanitize_content_for_api($content);
8351 -}
8352 -
8353 -/**
8354 - * Process a PDF page from the queue
8355 - */
8356 -private function mxchat_process_queue_pdf_page($item_data, $bot_id = 'default') {
8357 - $pdf_path = isset($item_data['pdf_path']) ? $item_data['pdf_path'] : '';
8358 - $pdf_url = isset($item_data['pdf_url']) ? $item_data['pdf_url'] : '';
8359 - $page_number = isset($item_data['page_number']) ? absint($item_data['page_number']) : 0;
8360 - $total_pages = isset($item_data['total_pages']) ? absint($item_data['total_pages']) : 0;
8361 -
8362 - if (empty($pdf_path) || !file_exists($pdf_path)) {
8363 - return new WP_Error('pdf_not_found', 'PDF file not found: ' . $pdf_path);
8364 - }
8365 -
8366 - if ($page_number < 1) {
8367 - return new WP_Error('invalid_page', 'Invalid page number');
8368 - }
8369 -
8370 - try {
8371 - mxchat_load_pdf_parser();
8372 - $parser = new \Smalot\PdfParser\Parser();
8373 - $pdf = $parser->parseFile($pdf_path);
8374 - $pages = $pdf->getPages();
8375 -
8376 - if (!isset($pages[$page_number - 1])) {
8377 - return new WP_Error('page_not_found', 'Page ' . $page_number . ' not found in PDF');
8378 - }
8379 -
8380 - $text = $pages[$page_number - 1]->getText();
8381 -
8382 - if (empty($text)) {
8383 - return new WP_Error('empty_page', 'Page ' . $page_number . ': No text could be extracted — page may contain only images, links, or non-standard encoding');
8384 - }
8385 -
8386 - $sanitized = $this->mxchat_sanitize_content_for_api($text);
8387 -
8388 - if (empty($sanitized)) {
8389 - return new WP_Error('empty_after_sanitization', 'Page ' . $page_number . ': Text was extracted but contained only special characters, control codes, or unsupported content that was removed during cleanup');
8390 - }
8391 -
8392 - // Create metadata
8393 - $metadata = array(
8394 - 'document_type' => 'pdf',
8395 - 'total_pages' => $total_pages,
8396 - 'current_page' => $page_number,
8397 - 'source_url' => $pdf_url
8398 - );
8399 -
8400 - $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized;
8401 - $page_url = esc_url($pdf_url . "#page=" . $page_number);
8402 -
8403 - // Get bot-specific API key
8404 - $bot_options = $this->get_bot_options($bot_id);
8405 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
8406 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
8407 -
8408 - if (strpos($selected_model, 'voyage') === 0) {
8409 - $api_key = $options['voyage_api_key'] ?? '';
8410 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
8411 - $api_key = $options['gemini_api_key'] ?? '';
8412 - } else {
8413 - $api_key = $options['api_key'] ?? '';
8414 - }
8415 -
8416 - if (empty($api_key)) {
8417 - return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
8418 - }
8419 -
8420 - // Submit to database - UPDATED 2.5.6: Added content_type 'pdf'
8421 - $result = MxChat_Utils::submit_content_to_db(
8422 - $content_with_metadata,
8423 - $page_url,
8424 - $api_key,
8425 - null,
8426 - $bot_id,
8427 - 'pdf'
8428 - );
8429 -
8430 - return $result;
8431 -
8432 - } catch (Exception $e) {
8433 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
8434 - }
8435 -}
8436 -
8437 -/**
8438 - * AJAX: Get queue processing status
8439 - */
8440 -public function ajax_mxchat_get_queue_status() {
8441 - // Verify nonce and permissions
8442 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8443 -
8444 - if (!current_user_can('manage_options')) {
8445 - wp_send_json_error('Unauthorized access');
8446 - }
8447 -
8448 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8449 -
8450 - if (empty($queue_id)) {
8451 - wp_send_json_error('Missing queue ID');
8452 - }
8453 -
8454 - global $wpdb;
8455 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8456 -
8457 - // Get counts by status
8458 - $counts = $wpdb->get_results($wpdb->prepare(
8459 - "SELECT status, COUNT(*) as count
8460 - FROM $table_name
8461 - WHERE queue_id = %s
8462 - GROUP BY status",
8463 - $queue_id
8464 - ), OBJECT_K);
8465 -
8466 - $total = 0;
8467 - $completed = 0;
8468 - $failed = 0;
8469 - $processing = 0;
8470 - $pending = 0;
8471 -
8472 - foreach ($counts as $status => $data) {
8473 - $count = absint($data->count);
8474 - $total += $count;
8475 -
8476 - switch ($status) {
8477 - case 'completed':
8478 - $completed = $count;
8479 - break;
8480 - case 'failed':
8481 - $failed = $count;
8482 - break;
8483 - case 'processing':
8484 - $processing = $count;
8485 - break;
8486 - case 'pending':
8487 - $pending = $count;
8488 - break;
8489 - }
8490 - }
8491 -
8492 - // Calculate percentage
8493 - $percentage = $total > 0 ? round((($completed + $failed) / $total) * 100) : 0;
8494 -
8495 - // Get failed items details (include all failed items, not just those that exhausted retries)
8496 - $failed_items = array();
8497 - if ($failed > 0) {
8498 - $failed_items = $wpdb->get_results($wpdb->prepare(
8499 - "SELECT item_type, item_data, error_message, attempts
8500 - FROM $table_name
8501 - WHERE queue_id = %s
8502 - AND status = 'failed'
8503 - ORDER BY id DESC
8504 - LIMIT 50",
8505 - $queue_id
8506 - ));
8507 - }
8508 -
8509 - // Get queue metadata
8510 - $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
8511 - $queue_type = $this->mxchat_get_queue_meta($queue_id, 'queue_type');
8512 -
8513 - // Determine if queue is complete
8514 - $is_complete = ($pending === 0 && $processing === 0);
8515 -
8516 - wp_send_json_success(array(
8517 - 'queue_id' => $queue_id,
8518 - 'queue_type' => $queue_type,
8519 - 'source_url' => $source_url,
8520 - 'total' => $total,
8521 - 'completed' => $completed,
8522 - 'failed' => $failed,
8523 - 'processing' => $processing,
8524 - 'pending' => $pending,
8525 - 'percentage' => $percentage,
8526 - 'is_complete' => $is_complete,
8527 - 'failed_items' => $failed_items,
8528 - 'status' => $is_complete ? 'complete' : 'processing'
8529 - ));
8530 -}
8531 -
8532 -/**
8533 - * AJAX: Clear completed queue
8534 - */
8535 -public function ajax_mxchat_clear_queue() {
8536 - // Verify nonce and permissions
8537 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8538 -
8539 - if (!current_user_can('manage_options')) {
8540 - wp_send_json_error('Unauthorized access');
8541 - }
8542 -
8543 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8544 -
8545 - if (empty($queue_id)) {
8546 - wp_send_json_error('Missing queue ID');
8547 - }
8548 -
8549 - global $wpdb;
8550 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8551 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
8552 -
8553 - // Delete queue items
8554 - $wpdb->delete(
8555 - $table_name,
8556 - array('queue_id' => $queue_id),
8557 - array('%s')
8558 - );
8559 -
8560 - // Delete queue metadata
8561 - $wpdb->delete(
8562 - $meta_table,
8563 - array('queue_id' => $queue_id),
8564 - array('%s')
8565 - );
8566 -
8567 - wp_send_json_success(array(
8568 - 'message' => 'Queue cleared successfully'
8569 - ));
8570 -}
8571 -
8572 -/**
8573 - * AJAX: Retry failed items in queue
8574 - */
8575 -public function ajax_mxchat_retry_failed() {
8576 - // Verify nonce and permissions
8577 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8578 -
8579 - if (!current_user_can('manage_options')) {
8580 - wp_send_json_error('Unauthorized access');
8581 - }
8582 -
8583 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8584 -
8585 - if (empty($queue_id)) {
8586 - wp_send_json_error('Missing queue ID');
8587 - }
8588 -
8589 - global $wpdb;
8590 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8591 -
8592 - // Reset failed items to pending and reset attempt count
8593 - $updated = $wpdb->update(
8594 - $table_name,
8595 - array(
8596 - 'status' => 'pending',
8597 - 'attempts' => 0,
8598 - 'error_message' => null
8599 - ),
8600 - array(
8601 - 'queue_id' => $queue_id,
8602 - 'status' => 'failed'
8603 - ),
8604 - array('%s', '%d', '%s'),
8605 - array('%s', '%s')
8606 - );
8607 -
8608 - wp_send_json_success(array(
8609 - 'message' => 'Reset ' . $updated . ' failed items for retry',
8610 - 'reset_count' => $updated
8611 - ));
8612 -}
8613 -
8614 -
8615 -public function ajax_mxchat_mark_queue_complete() {
8616 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8617 -
8618 - if (!current_user_can('manage_options')) {
8619 - wp_send_json_error('Unauthorized access');
8620 - }
8621 -
8622 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8623 -
8624 - if (empty($queue_id)) {
8625 - wp_send_json_error('Missing queue ID');
8626 - }
8627 -
8628 - // Clear active queue transients
8629 - if (strpos($queue_id, 'sitemap_') === 0) {
8630 - delete_transient('mxchat_active_queue_sitemap');
8631 - } else if (strpos($queue_id, 'pdf_') === 0) {
8632 - delete_transient('mxchat_active_queue_pdf');
8633 - }
8634 -
8635 - wp_send_json_success(array('message' => 'Queue marked as complete'));
8636 -}
8637 -
8638 -
8639 - // ========================================
8640 - // STATIC ACCESS METHODS
8641 - // ========================================
8642 -
8643 - /**
8644 - * Get singleton instance
8645 - */
8646 - public static function get_instance() {
8647 - static $instance = null;
8648 - if ($instance === null) {
8649 - $instance = new self();
8650 - }
8651 - return $instance;
8652 - }
8653 -}
8654 -
8655 -// Initialize the Knowledge manager
1 +<?php
2 +/**
3 + * File: admin/class-knowledge-manager.php
4 + *
5 + * Handles all knowledge base content processing for MxChat
6 + * Including PDF, sitemap, content processing, and WordPress post management
7 + */
8 +if (!defined('ABSPATH')) {
9 + exit; // Exit if accessed directly
10 +}
11 +
12 +class MxChat_Knowledge_Manager {
13 +
14 + private $options;
15 +
16 + /**
17 + * Constructor - Register hooks for content processing
18 + */
19 + public function __construct() {
20 + $this->options = get_option('mxchat_options', array());
21 + $this->mxchat_init_hooks();
22 + }
23 +
24 + /**
25 + * Initialize WordPress hooks for content processing
26 + */
27 + private function mxchat_init_hooks() {
28 + // Admin post handlers for form submissions
29 + add_action('admin_post_mxchat_submit_content', array($this, 'mxchat_handle_content_submission'));
30 + add_action('admin_post_mxchat_submit_sitemap', array($this, 'mxchat_handle_sitemap_submission'));
31 + add_action('admin_post_mxchat_stop_processing', array($this, 'mxchat_stop_processing'));
32 +
33 + // AJAX handlers for real-time processing and status updates
34 + add_action('wp_ajax_mxchat_get_status_updates', array($this, 'mxchat_ajax_get_status_updates'));
35 + add_action('wp_ajax_mxchat_dismiss_completed_status', array($this, 'mxchat_ajax_dismiss_completed_status'));
36 + add_action('wp_ajax_mxchat_get_content_list', array($this, 'ajax_mxchat_get_content_list'));
37 + add_action('wp_ajax_mxchat_process_selected_content', array($this, 'ajax_mxchat_process_selected_content'));
38 + add_action('wp_ajax_mxchat_manual_batch_process', array($this, 'ajax_manual_batch_process'));
39 + add_action('mxchat_delete_content', array($this, 'mxchat_delete_from_pinecone_by_url'), 10, 1);
40 +
41 +
42 + // Cron handlers for background processing
43 + add_action('mxchat_process_sitemap_urls', array($this, 'mxchat_process_sitemap_urls_cron'), 10, 5);
44 + add_action('mxchat_process_pdf_pages', array($this, 'mxchat_process_pdf_pages_cron'), 10, 5);
45 +
46 + // WordPress post management hooks - UPDATED FOR BETTER STATUS TRACKING
47 + add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
48 + add_action('post_updated', array($this, 'mxchat_handle_post_update'), 10, 3);
49 + add_action('before_delete_post', array($this, 'mxchat_handle_post_delete'));
50 + add_action('wp_trash_post', array($this, 'mxchat_handle_post_delete'));
51 + add_action('wp_ajax_mxchat_save_inline_prompt', array($this, 'mxchat_save_inline_prompt'));
52 + add_action('admin_post_mxchat_delete_pinecone_prompt', array($this, 'mxchat_handle_pinecone_prompt_delete'));
53 + add_action('wp_ajax_mxchat_delete_pinecone_prompt', array($this, 'ajax_mxchat_delete_pinecone_prompt'));
54 + add_action('wp_ajax_mxchat_update_role_restriction', array($this, 'ajax_mxchat_update_role_restriction'));
55 +
56 + // WooCommerce product hooks (if WooCommerce is active)
57 + if (class_exists('WooCommerce')) {
58 + add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2); // Same hook for products
59 + add_action('save_post_product', array($this, 'mxchat_handle_product_change'), 10, 3);
60 + add_action('wp_trash_post', array($this, 'mxchat_handle_product_delete'));
61 + add_action('before_delete_post', array($this, 'mxchat_handle_product_delete'));
62 + }
63 +
64 + }
65 +
66 + /**
67 + * Get current options (refreshed)
68 + */
69 + private function mxchat_get_options() {
70 + if (empty($this->options)) {
71 + $this->options = get_option('mxchat_options', array());
72 + }
73 + return $this->options;
74 + }
75 +
76 +public function ajax_manual_batch_process() {
77 + try {
78 + // Verify nonce and permissions
79 + check_ajax_referer('mxchat_status_nonce', 'nonce');
80 +
81 + if (!current_user_can('manage_options')) {
82 + wp_send_json_error('Unauthorized access');
83 + }
84 +
85 + $process_type = sanitize_text_field($_POST['process_type'] ?? '');
86 + $url = sanitize_text_field($_POST['url'] ?? '');
87 +
88 + if (empty($process_type) || empty($url)) {
89 + wp_send_json_error('Missing required parameters');
90 + }
91 +
92 + // Debug logging
93 + //error_log('MANUAL BATCH DEBUG: Process type: ' . $process_type);
94 + //error_log('MANUAL BATCH DEBUG: URL: ' . $url);
95 +
96 + // FIXED: Extract bot_id from stored status instead of POST data
97 + $bot_id = 'default';
98 +
99 + if ($process_type === 'pdf') {
100 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($url));
101 + $status = get_transient($status_key);
102 + //error_log('MANUAL BATCH DEBUG: Status key: ' . $status_key);
103 + //error_log('MANUAL BATCH DEBUG: Status data: ' . print_r($status, true));
104 +
105 + if ($status && isset($status['bot_id'])) {
106 + $bot_id = $status['bot_id'];
107 + //error_log('MANUAL BATCH DEBUG: Bot ID from status: ' . $bot_id);
108 + } else {
109 + //error_log('MANUAL BATCH DEBUG: No bot_id in status, using default');
110 + }
111 + } elseif ($process_type === 'sitemap') {
112 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($url));
113 + $status = get_transient($status_key);
114 + if ($status && isset($status['bot_id'])) {
115 + $bot_id = $status['bot_id'];
116 + }
117 + }
118 +
119 + //error_log('MANUAL BATCH DEBUG: Final bot_id: ' . $bot_id);
120 +
121 + $processed = 0;
122 +
123 + if ($process_type === 'pdf') {
124 + $processed = $this->mxchat_manual_process_pdf_batch($url);
125 + //error_log('MANUAL BATCH DEBUG: PDF processing returned: ' . $processed);
126 + } elseif ($process_type === 'sitemap') {
127 + $processed = $this->mxchat_manual_process_sitemap_batch($url);
128 + }
129 +
130 + if ($processed > 0) {
131 + wp_send_json_success(array(
132 + 'message' => "Processed {$processed} items successfully",
133 + 'processed' => $processed,
134 + 'bot_id' => $bot_id
135 + ));
136 + } else {
137 + // Enhanced error response with debugging info
138 + wp_send_json_error(array(
139 + 'message' => 'No items were processed',
140 + 'debug_info' => array(
141 + 'process_type' => $process_type,
142 + 'url' => $url,
143 + 'bot_id' => $bot_id,
144 + 'status_exists' => !empty($status),
145 + 'status_data' => $status
146 + )
147 + ));
148 + }
149 +
150 + } catch (Exception $e) {
151 + //error_log('MANUAL BATCH DEBUG: Exception: ' . $e->getMessage());
152 + wp_send_json_error('Processing failed: ' . $e->getMessage());
153 + }
154 +}
155 +
156 +private function mxchat_manual_process_pdf_batch($pdf_url) {
157 + try {
158 + //error_log('MANUAL PDF DEBUG: Starting batch processing for: ' . $pdf_url);
159 +
160 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
161 + $status = get_transient($status_key);
162 +
163 + //error_log('MANUAL PDF DEBUG: Status key: ' . $status_key);
164 + //error_log('MANUAL PDF DEBUG: Status data: ' . print_r($status, true));
165 +
166 + if (!$status || $status['status'] !== 'processing') {
167 + //error_log('MANUAL PDF DEBUG: No processing status found or status is not processing');
168 + //error_log('MANUAL PDF DEBUG: Status: ' . ($status ? $status['status'] : 'NULL'));
169 + return 0;
170 + }
171 +
172 + // FIXED: Extract bot_id from status
173 + $bot_id = $status['bot_id'] ?? 'default';
174 + //error_log('MANUAL PDF DEBUG: Bot ID from status: ' . $bot_id);
175 +
176 + // Get current progress
177 + $current_page = $status['processed_pages'] ?? 0;
178 + $total_pages = $status['total_pages'] ?? 0;
179 +
180 + //error_log('MANUAL PDF DEBUG: Current page: ' . $current_page . ', Total pages: ' . $total_pages);
181 +
182 + if ($current_page >= $total_pages) {
183 + //error_log('MANUAL PDF DEBUG: Already completed');
184 + return 0;
185 + }
186 +
187 + // Try to download the PDF again for processing
188 + //error_log('MANUAL PDF DEBUG: Attempting to download PDF');
189 + $response = wp_remote_get($pdf_url, array('timeout' => 30));
190 +
191 + if (is_wp_error($response)) {
192 + //error_log('MANUAL PDF DEBUG: Failed to download PDF: ' . $response->get_error_message());
193 + return 0;
194 + }
195 +
196 + $pdf_content = wp_remote_retrieve_body($response);
197 + if (empty($pdf_content)) {
198 + //error_log('MANUAL PDF DEBUG: Empty PDF content');
199 + return 0;
200 + }
201 +
202 + //error_log('MANUAL PDF DEBUG: PDF content size: ' . strlen($pdf_content) . ' bytes');
203 +
204 + // Save PDF temporarily
205 + $upload_dir = wp_upload_dir();
206 + $temp_pdf_path = trailingslashit($upload_dir['path']) . 'temp_manual_' . time() . '.pdf';
207 + file_put_contents($temp_pdf_path, $pdf_content);
208 +
209 + //error_log('MANUAL PDF DEBUG: Temp PDF saved to: ' . $temp_pdf_path);
210 +
211 + // Process 5 pages directly with bot_id
212 + $processed = $this->mxchat_process_pdf_pages_direct($temp_pdf_path, $pdf_url, $current_page, 5, $bot_id);
213 +
214 + //error_log('MANUAL PDF DEBUG: Direct processing returned: ' . $processed);
215 +
216 + // Clean up temp file
217 + if (file_exists($temp_pdf_path)) {
218 + wp_delete_file($temp_pdf_path);
219 + //error_log('MANUAL PDF DEBUG: Cleaned up temp file');
220 + }
221 +
222 + return $processed;
223 +
224 + } catch (Exception $e) {
225 + //error_log('MANUAL PDF DEBUG: Exception in manual batch: ' . $e->getMessage());
226 + return 0;
227 + }
228 +}
229 +
230 +/**
231 + * Process PDF pages directly without cron
232 + */
233 +private function mxchat_process_pdf_pages_direct($pdf_path, $pdf_url, $start_page, $batch_size, $bot_id = 'default') {
234 + try {
235 + if (!file_exists($pdf_path)) {
236 + //error_log('Direct PDF: File not found at ' . $pdf_path);
237 + return 0;
238 + }
239 +
240 + $parser = new \Smalot\PdfParser\Parser();
241 + $pdf = $parser->parseFile($pdf_path);
242 + $pages = $pdf->getPages();
243 +
244 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
245 + $status = get_transient($status_key);
246 +
247 + if (!$status) {
248 + return 0;
249 + }
250 +
251 + // UPDATED: Get bot-specific options
252 + $bot_options = $this->get_bot_options($bot_id);
253 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
254 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
255 +
256 + if (strpos($selected_model, 'voyage') === 0) {
257 + $api_key = $options['voyage_api_key'] ?? '';
258 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
259 + $api_key = $options['gemini_api_key'] ?? '';
260 + } else {
261 + $api_key = $options['api_key'] ?? '';
262 + }
263 +
264 + if (empty($api_key)) {
265 + //error_log('Direct PDF: No API key for bot: ' . $bot_id);
266 + return 0;
267 + }
268 +
269 + $processed = 0;
270 + $end_page = min($start_page + $batch_size, count($pages));
271 +
272 + for ($i = $start_page; $i < $end_page; $i++) {
273 + try {
274 + $page_number = $i + 1;
275 + $text = $pages[$i]->getText();
276 +
277 + if (empty($text)) {
278 + //error_log('Direct PDF: Empty text on page ' . $page_number);
279 + continue;
280 + }
281 +
282 + $sanitized_content = $this->mxchat_sanitize_content_for_api($text);
283 + if (empty($sanitized_content)) {
284 + //error_log('Direct PDF: No content after sanitization on page ' . $page_number);
285 + continue;
286 + }
287 +
288 + // UPDATED: Use bot-specific embedding generation
289 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content, $bot_id);
290 + if (is_string($embedding_vector)) {
291 + //error_log('Direct PDF: Embedding failed on page ' . $page_number . ': ' . $embedding_vector);
292 + continue;
293 + }
294 +
295 + // Create metadata
296 + $metadata = array(
297 + 'document_type' => 'pdf',
298 + 'total_pages' => count($pages),
299 + 'current_page' => $page_number,
300 + 'source_url' => $pdf_url
301 + );
302 +
303 + $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized_content;
304 + $page_url = esc_url($pdf_url . "#page=" . $page_number);
305 +
306 + // UPDATED: Pass bot_id to database submission
307 + $db_result = MxChat_Utils::submit_content_to_db($content_with_metadata, $page_url, $api_key, null, $bot_id);
308 +
309 + if (is_wp_error($db_result)) {
310 + //error_log('Direct PDF: DB error on page ' . $page_number . ': ' . $db_result->get_error_message());
311 + continue;
312 + }
313 +
314 + $processed++;
315 + //error_log('Direct PDF: Successfully processed page ' . $page_number . ' for bot: ' . $bot_id);
316 +
317 + // Update status
318 + $status['processed_pages'] = $i + 1;
319 + $status['last_update'] = time();
320 + $status['percentage'] = round(($status['processed_pages'] / $status['total_pages']) * 100);
321 + set_transient($status_key, $status, DAY_IN_SECONDS);
322 +
323 + } catch (Exception $e) {
324 + //error_log('Direct PDF: Error processing page ' . ($i + 1) . ': ' . $e->getMessage());
325 + continue;
326 + }
327 + }
328 +
329 + // Check if completed
330 + if ($status['processed_pages'] >= $status['total_pages']) {
331 + $status['status'] = 'complete';
332 + set_transient($status_key, $status, DAY_IN_SECONDS);
333 + //error_log('Direct PDF: Processing completed for bot: ' . $bot_id);
334 + }
335 +
336 + return $processed;
337 +
338 + } catch (Exception $e) {
339 + //error_log('Direct PDF processing error: ' . $e->getMessage());
340 + return 0;
341 + }
342 +}
343 +
344 +
345 +/**
346 + * Process a small sitemap batch manually - DIRECT PROCESSING
347 + */
348 +private function mxchat_manual_process_sitemap_batch($sitemap_url) {
349 + try {
350 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
351 + $status = get_transient($status_key);
352 +
353 + if (!$status || $status['status'] !== 'processing') {
354 + return 0;
355 + }
356 +
357 + // FIXED: Extract bot_id from status
358 + $bot_id = $status['bot_id'] ?? 'default';
359 +
360 + //error_log('Manual Sitemap: Starting direct processing for ' . $sitemap_url . ' with bot: ' . $bot_id);
361 +
362 + // Re-fetch the sitemap to get URLs
363 + $response = wp_remote_get($sitemap_url, array('timeout' => 30));
364 + if (is_wp_error($response)) {
365 + //error_log('Manual Sitemap: Failed to fetch sitemap');
366 + return 0;
367 + }
368 +
369 + $sitemap_content = wp_remote_retrieve_body($response);
370 + $xml = simplexml_load_string($sitemap_content);
371 +
372 + if (!$xml) {
373 + //error_log('Manual Sitemap: Invalid XML');
374 + return 0;
375 + }
376 +
377 + $urls = array();
378 + foreach ($xml->url as $url_element) {
379 + $urls[] = (string)$url_element->loc;
380 + }
381 +
382 + $current_processed = $status['processed_urls'] ?? 0;
383 + $batch_size = 50;
384 + $processed = 0;
385 +
386 + // Process next batch of URLs
387 + for ($i = $current_processed; $i < min($current_processed + $batch_size, count($urls)); $i++) {
388 + $url = $urls[$i];
389 +
390 + // UPDATED: Pass bot_id to single URL processing
391 + if ($this->mxchat_process_single_url_direct($url, $bot_id)) {
392 + $processed++;
393 + }
394 +
395 + // Update status
396 + $status['processed_urls'] = $i + 1;
397 + $status['last_update'] = time();
398 + $status['percentage'] = round(($status['processed_urls'] / $status['total_urls']) * 100);
399 + set_transient($status_key, $status, DAY_IN_SECONDS);
400 + }
401 +
402 + // Check if completed
403 + if ($status['processed_urls'] >= $status['total_urls']) {
404 + $status['status'] = 'complete';
405 + set_transient($status_key, $status, DAY_IN_SECONDS);
406 + }
407 +
408 + //error_log('Manual Sitemap: Processed ' . $processed . ' URLs for bot: ' . $bot_id);
409 + return $processed;
410 +
411 + } catch (Exception $e) {
412 + //error_log('Manual sitemap batch error: ' . $e->getMessage());
413 + return 0;
414 + }
415 +}
416 +
417 +
418 +/**
419 + * Process a single URL directly
420 + */
421 +private function mxchat_process_single_url_direct($url, $bot_id = 'default') {
422 + try {
423 + $response = wp_remote_get($url, array('timeout' => 30));
424 + if (is_wp_error($response)) {
425 + //error_log('Single URL processing failed for ' . $url . ': ' . $response->get_error_message());
426 + return false;
427 + }
428 +
429 + $html = wp_remote_retrieve_body($response);
430 + $content = $this->mxchat_extract_main_content($html);
431 + $sanitized = $this->mxchat_sanitize_content_for_api($content);
432 +
433 + if (empty($sanitized)) {
434 + //error_log('Single URL processing: No content found for ' . $url);
435 + return false;
436 + }
437 +
438 + // UPDATED: Get bot-specific options and API key
439 + $bot_options = $this->get_bot_options($bot_id);
440 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
441 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
442 +
443 + if (strpos($selected_model, 'voyage') === 0) {
444 + $api_key = $options['voyage_api_key'] ?? '';
445 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
446 + $api_key = $options['gemini_api_key'] ?? '';
447 + } else {
448 + $api_key = $options['api_key'] ?? '';
449 + }
450 +
451 + if (empty($api_key)) {
452 + //error_log('Single URL processing: No API key configured for bot: ' . $bot_id);
453 + return false;
454 + }
455 +
456 + // UPDATED: Pass bot_id to database submission
457 + $result = MxChat_Utils::submit_content_to_db($sanitized, $url, $api_key, null, $bot_id);
458 +
459 + $success = !is_wp_error($result);
460 +
461 + if ($success) {
462 + //error_log('Single URL processing: Successfully processed ' . $url . ' for bot: ' . $bot_id);
463 + } else {
464 + //error_log('Single URL processing: Failed to store ' . $url . ' for bot: ' . $bot_id . ': ' . $result->get_error_message());
465 + }
466 +
467 + return $success;
468 +
469 + } catch (Exception $e) {
470 + //error_log('Single URL processing error: ' . $e->getMessage());
471 + return false;
472 + }
473 +}
474 +
475 + // ========================================
476 + // MAIN CONTENT SUBMISSION HANDLERS
477 + // ========================================
478 +
479 +public function mxchat_handle_content_submission() {
480 + // Check if the form was submitted and the user has permission.
481 + if (!isset($_POST['submit_content']) || !current_user_can('manage_options')) {
482 + return;
483 + }
484 +
485 + // Verify the nonce.
486 + $nonce = isset($_POST['mxchat_submit_content_nonce']) ? sanitize_text_field(wp_unslash($_POST['mxchat_submit_content_nonce'])) : '';
487 + if (!wp_verify_nonce($nonce, 'mxchat_submit_content_action')) {
488 + wp_die(esc_html__('Nonce verification failed.', 'mxchat'));
489 + }
490 +
491 + // Sanitize the inputs.
492 + $article_content = sanitize_textarea_field($_POST['article_content']);
493 + $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
494 +
495 + // UPDATED: Get bot_id from form submission
496 + $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
497 +
498 + // UPDATED: Get bot-specific options and API key
499 + $bot_options = $this->get_bot_options($bot_id);
500 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
501 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
502 +
503 + if (strpos($selected_model, 'voyage') === 0) {
504 + $api_key = $options['voyage_api_key'] ?? '';
505 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
506 + $api_key = $options['gemini_api_key'] ?? '';
507 + } else {
508 + $api_key = $options['api_key'] ?? '';
509 + }
510 +
511 + if (empty($api_key)) {
512 + set_transient('mxchat_admin_notice_error',
513 + esc_html__('API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
514 + 30
515 + );
516 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
517 + exit;
518 + }
519 +
520 + // UPDATED: Use centralized utility function with bot_id
521 + $result = MxChat_Utils::submit_content_to_db($article_content, $article_url, $api_key, null, $bot_id);
522 +
523 + if (is_wp_error($result)) {
524 + set_transient('mxchat_admin_notice_error',
525 + esc_html__('Error storing content: ', 'mxchat') . $result->get_error_message(),
526 + 30
527 + );
528 + } else {
529 + set_transient('mxchat_admin_notice_success',
530 + esc_html__('Content successfully submitted!', 'mxchat'),
531 + 30
532 + );
533 + }
534 +
535 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
536 + exit;
537 +}
538 +
539 +public function mxchat_is_pdf_url($url, $response) {
540 + $content_type = wp_remote_retrieve_header($response, 'content-type');
541 + $file_extension = strtolower(pathinfo($url, PATHINFO_EXTENSION));
542 +
543 + return strpos($content_type, 'pdf') !== false || $file_extension === 'pdf';
544 +}
545 +
546 +
547 +public function mxchat_handle_pdf_for_knowledge_base($pdf_url, $response, $bot_id = 'default') {
548 + if (!current_user_can('manage_options')) {
549 + //error_log('[PDF DEBUG] Unauthorized PDF processing attempt');
550 + return false;
551 + }
552 +
553 + //error_log('[PDF DEBUG] Starting PDF processing for bot: ' . $bot_id);
554 + //error_log('[PDF DEBUG] PDF URL: ' . $pdf_url);
555 +
556 + $pdf_url = esc_url_raw($pdf_url);
557 + $upload_dir = wp_upload_dir();
558 +
559 + if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
560 + //error_log('[PDF DEBUG] Upload directory error: ' . $upload_dir['error']);
561 + return false;
562 + }
563 +
564 + $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
565 + $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
566 +
567 + $response_body = wp_remote_retrieve_body($response);
568 + if (empty($response_body)) {
569 + //error_log('[PDF DEBUG] Empty PDF response body');
570 + return false;
571 + }
572 +
573 + if (!wp_mkdir_p(dirname($pdf_path))) {
574 + //error_log('[PDF DEBUG] Failed to create directory for PDF: ' . $pdf_path);
575 + return false;
576 + }
577 +
578 + try {
579 + file_put_contents($pdf_path, $response_body);
580 +
581 + if (!file_exists($pdf_path)) {
582 + throw new Exception(__('Failed to save PDF file', 'mxchat'));
583 + }
584 +
585 + $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
586 +
587 + if ($total_pages === false || $total_pages < 1) {
588 + throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
589 + }
590 +
591 + //error_log('[PDF DEBUG] PDF validated successfully with ' . $total_pages . ' pages');
592 +
593 + // UPDATED: Pass bot_id to PDF processing cron
594 + wp_schedule_single_event(time(), 'mxchat_process_pdf_pages', array(
595 + $pdf_path, // Position 0
596 + $pdf_url, // Position 1
597 + $total_pages, // Position 2
598 + absint(15), // Position 3 (batch_size)
599 + absint(10), // Position 4 (batch_pause)
600 + $bot_id // Position 5 (bot_id)
601 + ));
602 +
603 + //error_log('[PDF DEBUG] Cron job scheduled with bot_id: ' . $bot_id);
604 +
605 + // UPDATED: Store bot_id in status data
606 + $status_data = array(
607 + 'total_pages' => $total_pages,
608 + 'processed_pages' => 0,
609 + 'status' => 'processing',
610 + 'last_update' => time(),
611 + 'bot_id' => $bot_id // CRITICAL: Store the bot_id
612 + );
613 +
614 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
615 + set_transient($status_key, $status_data, DAY_IN_SECONDS);
616 +
617 + //error_log('[PDF DEBUG] Status stored with bot_id: ' . $bot_id . ' using key: ' . $status_key);
618 +
619 + return __('scheduled', 'mxchat');
620 +
621 + } catch (Exception $e) {
622 + //error_log('[PDF DEBUG] Error preparing PDF for processing: ' . $e->getMessage());
623 + if (file_exists($pdf_path)) {
624 + wp_delete_file($pdf_path);
625 + }
626 + return false;
627 + }
628 +}
629 +
630 +/**
631 + * NEW: Validate PDF and count pages with multiple parser attempts
632 + */
633 +private function mxchat_validate_and_count_pdf_pages($pdf_path) {
634 + // Method 1: Try with Smalot PDF Parser (your current method)
635 + try {
636 + $parser = new \Smalot\PdfParser\Parser();
637 + $pdf = $parser->parseFile($pdf_path);
638 + $pages = $pdf->getPages();
639 + $page_count = count($pages);
640 +
641 + if ($page_count > 0) {
642 + //error_log('PDF parsed successfully with Smalot parser: ' . $page_count . ' pages');
643 + return $page_count;
644 + }
645 + } catch (Exception $e) {
646 + //error_log('Smalot PDF parser failed: ' . $e->getMessage());
647 + }
648 +
649 + // Method 2: Try with pdfinfo command (if available)
650 + if (function_exists('shell_exec') && !$this->mxchat_is_shell_disabled()) {
651 + try {
652 + $command = 'pdfinfo ' . escapeshellarg($pdf_path) . ' 2>&1';
653 + $output = shell_exec($command);
654 +
655 + if ($output && preg_match('/Pages:\s*(\d+)/', $output, $matches)) {
656 + $page_count = intval($matches[1]);
657 + if ($page_count > 0) {
658 + //error_log('PDF parsed successfully with pdfinfo: ' . $page_count . ' pages');
659 + return $page_count;
660 + }
661 + }
662 + } catch (Exception $e) {
663 + //error_log('pdfinfo command failed: ' . $e->getMessage());
664 + }
665 + }
666 +
667 + // Method 3: Try to repair PDF and parse again
668 + try {
669 + $repaired_path = $this->mxchat_attempt_pdf_repair($pdf_path);
670 + if ($repaired_path && $repaired_path !== $pdf_path) {
671 + $parser = new \Smalot\PdfParser\Parser();
672 + $pdf = $parser->parseFile($repaired_path);
673 + $pages = $pdf->getPages();
674 + $page_count = count($pages);
675 +
676 + if ($page_count > 0) {
677 + // Replace original with repaired version
678 + copy($repaired_path, $pdf_path);
679 + unlink($repaired_path);
680 + //error_log('PDF repaired and parsed successfully: ' . $page_count . ' pages');
681 + return $page_count;
682 + }
683 +
684 + // Clean up repaired file if it didn't work
685 + unlink($repaired_path);
686 + }
687 + } catch (Exception $e) {
688 + //error_log('PDF repair attempt failed: ' . $e->getMessage());
689 + }
690 +
691 + // Method 4: Manual PDF structure analysis (basic page count)
692 + try {
693 + $page_count = $this->mxchat_manual_pdf_page_count($pdf_path);
694 + if ($page_count > 0) {
695 + //error_log('PDF page count determined manually: ' . $page_count . ' pages');
696 + return $page_count;
697 + }
698 + } catch (Exception $e) {
699 + //error_log('Manual PDF analysis failed: ' . $e->getMessage());
700 + }
701 +
702 + //error_log('All PDF parsing methods failed for: ' . $pdf_path);
703 + return false;
704 +}
705 +
706 +/**
707 + * NEW: Check if shell_exec is disabled
708 + */
709 +private function mxchat_is_shell_disabled() {
710 + $disabled = explode(',', ini_get('disable_functions'));
711 + return in_array('shell_exec', $disabled);
712 +}
713 +
714 +/**
715 + * NEW: Attempt to repair PDF using basic methods
716 + */
717 +private function mxchat_attempt_pdf_repair($pdf_path) {
718 + try {
719 + $content = file_get_contents($pdf_path);
720 + if (!$content) {
721 + return false;
722 + }
723 +
724 + // Check if PDF starts with proper header
725 + if (substr($content, 0, 4) !== '%PDF') {
726 + // Try to find PDF header in the content
727 + $header_pos = strpos($content, '%PDF');
728 + if ($header_pos !== false && $header_pos < 1024) {
729 + // Remove junk before PDF header
730 + $content = substr($content, $header_pos);
731 + $repaired_path = $pdf_path . '.repaired';
732 + file_put_contents($repaired_path, $content);
733 + return $repaired_path;
734 + }
735 + }
736 +
737 + // Check for EOF marker
738 + $content = rtrim($content);
739 + if (!preg_match('/%%EOF\s*$/', $content)) {
740 + // Add EOF marker if missing
741 + $content .= "\n%%EOF";
742 + $repaired_path = $pdf_path . '.repaired';
743 + file_put_contents($repaired_path, $content);
744 + return $repaired_path;
745 + }
746 +
747 + } catch (Exception $e) {
748 + //error_log('PDF repair error: ' . $e->getMessage());
749 + }
750 +
751 + return false;
752 +}
753 +
754 +/**
755 + * NEW: Manual PDF page counting by analyzing PDF structure
756 + */
757 +private function mxchat_manual_pdf_page_count($pdf_path) {
758 + try {
759 + $content = file_get_contents($pdf_path);
760 + if (!$content) {
761 + return 0;
762 + }
763 +
764 + // Method 1: Count /Type /Page objects
765 + $page_count = preg_match_all('/\/Type\s*\/Page[^s]/', $content);
766 + if ($page_count > 0) {
767 + return $page_count;
768 + }
769 +
770 + // Method 2: Look for /Count in pages object
771 + if (preg_match('/\/Type\s*\/Pages.*?\/Count\s+(\d+)/', $content, $matches)) {
772 + return intval($matches[1]);
773 + }
774 +
775 + // Method 3: Count page references
776 + $page_count = preg_match_all('/\d+\s+0\s+obj\s*<<[^>]*\/Type\s*\/Page/', $content);
777 + if ($page_count > 0) {
778 + return $page_count;
779 + }
780 +
781 + } catch (Exception $e) {
782 + //error_log('Manual PDF analysis error: ' . $e->getMessage());
783 + }
784 +
785 + return 0;
786 +}
787 +
788 +public function mxchat_process_pdf_pages_cron($pdf_path, $pdf_url, $total_pages, $batch_size, $batch_pause, $bot_id = 'default') {
789 + // ADD THIS DEBUG SECTION AT THE VERY BEGINNING
790 + //error_log('[PDF CRON DEBUG] ===== PDF Cron Job Started =====');
791 + //error_log('[PDF CRON DEBUG] Initial bot_id parameter: ' . $bot_id);
792 + //error_log('[PDF CRON DEBUG] Received parameters:');
793 + //error_log('[PDF CRON DEBUG] - pdf_path: ' . $pdf_path);
794 + //error_log('[PDF CRON DEBUG] - pdf_url: ' . $pdf_url);
795 + //error_log('[PDF CRON DEBUG] - total_pages: ' . $total_pages);
796 + //error_log('[PDF CRON DEBUG] - batch_size: ' . $batch_size);
797 + //error_log('[PDF CRON DEBUG] - batch_pause: ' . $batch_pause);
798 + //error_log('[PDF CRON DEBUG] - Total args received: ' . func_num_args());
799 + //error_log('[PDF CRON DEBUG] - All args: ' . print_r(func_get_args(), true));
800 +
801 + // FIXED: Get the correct bot_id from stored status instead of relying on cron parameters
802 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
803 + $status = get_transient($status_key);
804 +
805 + if ($status && isset($status['bot_id'])) {
806 + $bot_id = $status['bot_id'];
807 + //error_log('[PDF CRON DEBUG] Using bot_id from status: ' . $bot_id);
808 + } else {
809 + //error_log('[PDF CRON DEBUG] No bot_id in status, using default: ' . $bot_id);
810 + }
811 +
812 + // Validate inputs
813 + $pdf_path = sanitize_text_field($pdf_path);
814 + $pdf_url = esc_url_raw($pdf_url);
815 + $total_pages = absint($total_pages);
816 + $batch_size = absint($batch_size);
817 + $batch_pause = absint($batch_pause);
818 + $bot_id = sanitize_key($bot_id);
819 +
820 + try {
821 + if (!file_exists($pdf_path)) {
822 + throw new Exception(sprintf('PDF file not found at path: %s', esc_html($pdf_path)));
823 + }
824 +
825 + // Try to parse PDF with error recovery
826 + $pdf = null;
827 + $pages = null;
828 +
829 + try {
830 + $parser = new \Smalot\PdfParser\Parser();
831 + $pdf = $parser->parseFile($pdf_path);
832 + $pages = $pdf->getPages();
833 + } catch (Exception $e) {
834 + //error_log('Primary PDF parsing failed, attempting recovery: ' . $e->getMessage());
835 +
836 + $repaired_path = $this->mxchat_attempt_pdf_repair($pdf_path);
837 + if ($repaired_path) {
838 + try {
839 + $parser = new \Smalot\PdfParser\Parser();
840 + $pdf = $parser->parseFile($repaired_path);
841 + $pages = $pdf->getPages();
842 +
843 + copy($repaired_path, $pdf_path);
844 + unlink($repaired_path);
845 + //error_log('PDF successfully repaired and parsed');
846 + } catch (Exception $e2) {
847 + if (file_exists($repaired_path)) {
848 + unlink($repaired_path);
849 + }
850 + throw new Exception('PDF parsing failed even after repair attempt: ' . $e2->getMessage());
851 + }
852 + } else {
853 + throw new Exception('PDF parsing failed and repair was unsuccessful: ' . $e->getMessage());
854 + }
855 + }
856 +
857 + if (!$pages || count($pages) === 0) {
858 + throw new Exception('No pages found in PDF after parsing');
859 + }
860 +
861 + // Get current progress (already fetched above for bot_id)
862 + if (!$status || !is_array($status)) {
863 + throw new Exception('Invalid status data retrieved from transient');
864 + }
865 +
866 + // Initialize failed pages list if it doesn't exist
867 + if (!isset($status['failed_pages_list']) || !is_array($status['failed_pages_list'])) {
868 + $status['failed_pages_list'] = [];
869 + }
870 +
871 + $start_page = absint($status['processed_pages']);
872 + $end_page = min($start_page + $batch_size, $total_pages);
873 +
874 + // UPDATED: Get bot-specific options using the correct bot_id
875 + $bot_options = $this->get_bot_options($bot_id);
876 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
877 +
878 + //error_log('[PDF CRON DEBUG] Using bot options for bot: ' . $bot_id);
879 +
880 + if (empty($options['api_key'])) {
881 + throw new Exception('API key is missing or invalid for bot: ' . $bot_id);
882 + }
883 +
884 + $successful_pages = 0;
885 + $failed_pages = 0;
886 +
887 + for ($i = $start_page; $i < $end_page; $i++) {
888 + $page_number = $i + 1;
889 + $max_retries = 3;
890 + $retry_count = 0;
891 + $page_processed = false;
892 + $last_error = '';
893 +
894 + while (!$page_processed && $retry_count < $max_retries) {
895 + try {
896 + $text = $pages[$i]->getText();
897 +
898 + if (empty($text)) {
899 + throw new Exception("Empty text on page {$page_number}");
900 + }
901 +
902 + $sanitized_content = $this->mxchat_sanitize_content_for_api($text);
903 +
904 + if (empty($sanitized_content)) {
905 + throw new Exception("No valid content after sanitization on page {$page_number}");
906 + }
907 +
908 + // UPDATED: Use bot-specific embedding generation with correct bot_id
909 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content, $bot_id);
910 +
911 + if (is_string($embedding_vector)) {
912 + throw new Exception("Embedding generation failed: " . $embedding_vector);
913 + }
914 +
915 + if (!is_array($embedding_vector)) {
916 + throw new Exception("Embedding generation returned unexpected result type: " . gettype($embedding_vector));
917 + }
918 +
919 + $metadata = array(
920 + 'document_type' => 'pdf',
921 + 'total_pages' => $total_pages,
922 + 'current_page' => $page_number,
923 + 'prev_page' => $i > 0 ? $i : null,
924 + 'next_page' => $i < ($total_pages - 1) ? $i + 2 : null,
925 + 'source_url' => $pdf_url
926 + );
927 +
928 + $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized_content;
929 + $page_url = esc_url($pdf_url . "#page=" . $page_number);
930 +
931 + // UPDATED: Pass correct bot_id to database submission
932 + $db_result = MxChat_Utils::submit_content_to_db($content_with_metadata, $page_url, $options['api_key'], null, $bot_id);
933 +
934 + if (is_wp_error($db_result)) {
935 + throw new Exception("Database submission failed: " . $db_result->get_error_message());
936 + }
937 +
938 + // Success!
939 + $page_processed = true;
940 + $successful_pages++;
941 + //error_log('[PDF CRON DEBUG] Successfully processed page ' . $page_number . ' for bot: ' . $bot_id);
942 +
943 + } catch (Exception $e) {
944 + $retry_count++;
945 + $last_error = $e->getMessage();
946 +
947 + //error_log("PDF page {$page_number} failed (attempt {$retry_count}/{$max_retries}): " . $last_error);
948 +
949 + if ($retry_count < $max_retries) {
950 + sleep(pow(2, $retry_count - 1));
951 + }
952 + }
953 + }
954 +
955 + // If page still not processed after all retries, mark as failed
956 + if (!$page_processed) {
957 + $failed_pages++;
958 + $status['failed_pages_list'][] = [
959 + 'page' => $page_number,
960 + 'error' => $last_error,
961 + 'time' => time(),
962 + 'retries' => $max_retries
963 + ];
964 +
965 + if (count($status['failed_pages_list']) > 50) {
966 + $status['failed_pages_list'] = array_slice($status['failed_pages_list'], -50);
967 + }
968 +
969 + //error_log("PDF page {$page_number} permanently failed after {$max_retries} attempts: " . $last_error);
970 + }
971 +
972 + // Update progress
973 + $status['processed_pages'] = absint($page_number);
974 + $status['last_update'] = time();
975 + $status['failed_pages'] = absint($status['failed_pages'] ?? 0) + ($page_processed ? 0 : 1);
976 +
977 + set_transient($status_key, $status, DAY_IN_SECONDS);
978 + }
979 +
980 + // Schedule next batch if needed
981 + if ($end_page < $total_pages) {
982 + // Use the same indexed array format (though bot_id still won't pass correctly)
983 + wp_schedule_single_event(time() + $batch_pause, 'mxchat_process_pdf_pages', array(
984 + $pdf_path,
985 + $pdf_url,
986 + $total_pages,
987 + $batch_size,
988 + $batch_pause,
989 + $bot_id // This still won't work, but we're now getting bot_id from status
990 + ));
991 + } else {
992 + // Processing complete
993 + $status['status'] = 'complete';
994 + $status['processed_pages'] = $total_pages;
995 +
996 + $status['completion_summary'] = [
997 + 'total_pages' => $total_pages,
998 + 'successful_pages' => $total_pages - absint($status['failed_pages'] ?? 0),
999 + 'failed_pages' => absint($status['failed_pages'] ?? 0),
1000 + 'completion_time' => current_time('mysql')
1001 + ];
1002 +
1003 + set_transient($status_key, $status, DAY_IN_SECONDS);
1004 +
1005 + if (file_exists($pdf_path)) {
1006 + wp_delete_file($pdf_path);
1007 + }
1008 +
1009 + //error_log('[PDF CRON DEBUG] PDF processing completed for bot: ' . $bot_id);
1010 + }
1011 +
1012 + } catch (\Exception $e) {
1013 + //error_log(sprintf('[MXCHAT-PDF] Error processing PDF for bot %s: %s', $bot_id, $e->getMessage()));
1014 +
1015 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
1016 + $status = get_transient($status_key);
1017 +
1018 + if (!$status || !is_array($status)) {
1019 + $status = array(
1020 + 'total_pages' => $total_pages,
1021 + 'processed_pages' => 0,
1022 + 'status' => 'error',
1023 + 'error' => sanitize_text_field($e->getMessage()),
1024 + 'last_update' => time(),
1025 + 'bot_id' => $bot_id
1026 + );
1027 + } else {
1028 + $status['status'] = 'error';
1029 + $status['error'] = sanitize_text_field($e->getMessage());
1030 + $status['last_update'] = time();
1031 + }
1032 +
1033 + set_transient($status_key, $status, DAY_IN_SECONDS);
1034 +
1035 + if (file_exists($pdf_path)) {
1036 + wp_delete_file($pdf_path);
1037 + }
1038 + }
1039 +}
1040 +
1041 +public function mxchat_save_inline_prompt() {
1042 + // DEBUG: Log what we're receiving
1043 + //error_log('=== MXCHAT DEBUG ===');
1044 + //error_log('POST data: ' . print_r($_POST, true));
1045 + //error_log('Nonce from POST: ' . ($_POST['_ajax_nonce'] ?? 'NOT FOUND'));
1046 +
1047 + // Check for nonce security
1048 + check_ajax_referer('mxchat_save_inline_nonce', '_ajax_nonce');
1049 +
1050 + // If we get here, nonce passed
1051 + //error_log('Nonce verification PASSED');
1052 +
1053 + // Verify permissions
1054 + if (!current_user_can('manage_options')) {
1055 + wp_send_json_error(esc_html__('Permission denied.', 'mxchat'));
1056 + return;
1057 + }
1058 +
1059 + global $wpdb;
1060 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
1061 +
1062 + // Validate and sanitize input data - FIXED LINE BELOW
1063 + $prompt_id = isset($_POST['id']) ? absint($_POST['id']) : 0;
1064 + $article_content = isset($_POST['article_content']) ? sanitize_textarea_field(wp_unslash($_POST['article_content'])) : '';
1065 + $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
1066 +
1067 + if ($prompt_id > 0 && !empty($article_content)) {
1068 + // Re-generate the embedding vector for the updated content
1069 + $embedding_vector = $this->mxchat_generate_embedding($article_content);
1070 + if (is_array($embedding_vector)) {
1071 + // Serialize the embedding vector before storing it
1072 + $embedding_vector_serialized = serialize($embedding_vector);
1073 + // Update the prompt in the database
1074 + $updated = $wpdb->update(
1075 + $table_name,
1076 + array(
1077 + 'article_content' => $article_content,
1078 + 'embedding_vector' => $embedding_vector_serialized,
1079 + 'source_url' => $article_url,
1080 + ),
1081 + array('id' => $prompt_id),
1082 + array('%s', '%s', '%s'),
1083 + array('%d')
1084 + );
1085 + if ($updated !== false) {
1086 + wp_send_json_success();
1087 + } else {
1088 + wp_send_json_error(esc_html__('Database update failed.', 'mxchat'));
1089 + }
1090 + } else {
1091 + wp_send_json_error(esc_html__('Embedding generation failed.', 'mxchat'));
1092 + }
1093 + } else {
1094 + wp_send_json_error(esc_html__('Invalid data.', 'mxchat'));
1095 + }
1096 +}
1097 +
1098 +
1099 +public function mxchat_get_pdf_processing_status($pdf_url) {
1100 + $pdf_url = esc_url_raw($pdf_url);
1101 + $status = get_transient(sanitize_key('mxchat_pdf_status_' . md5($pdf_url)));
1102 +
1103 + if (!$status || !is_array($status)) {
1104 + return false;
1105 + }
1106 +
1107 + // Check for stalled processing (no updates for 5 minutes)
1108 + if ($status['status'] === 'processing' && (time() - absint($status['last_update'])) > 300) {
1109 + $status['status'] = 'error';
1110 + $status['error'] = __('PDF processing appears to be stalled. No updates for over 5 minutes.', 'mxchat');
1111 +
1112 + // Save the updated status
1113 + set_transient(
1114 + sanitize_key('mxchat_pdf_status_' . md5($pdf_url)),
1115 + array_map('sanitize_text_field', $status),
1116 + DAY_IN_SECONDS
1117 + );
1118 + }
1119 +
1120 + $result = array(
1121 + 'total_pages' => absint($status['total_pages']),
1122 + 'processed_pages' => absint($status['processed_pages']),
1123 + 'failed_pages' => absint($status['failed_pages'] ?? 0),
1124 + 'percentage' => ($status['total_pages'] > 0)
1125 + ? round((absint($status['processed_pages']) / absint($status['total_pages'])) * 100)
1126 + : 0,
1127 + 'status' => sanitize_text_field($status['status']),
1128 + 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
1129 + 'failed_pages_list' => isset($status['failed_pages_list']) ? $status['failed_pages_list'] : array(),
1130 + 'completion_summary' => isset($status['completion_summary']) ? $status['completion_summary'] : null
1131 + );
1132 +
1133 + // Add error message if present
1134 + if (isset($status['error']) && !empty($status['error'])) {
1135 + $result['error'] = sanitize_text_field($status['error']);
1136 + }
1137 +
1138 + return $result;
1139 +}
1140 +
1141 +
1142 +public function mxchat_handle_sitemap_submission() {
1143 + // START DEBUG
1144 + //error_log('[SITEMAP DEBUG] ===== Starting URL submission process =====');
1145 + //error_log('[SITEMAP DEBUG] POST data: ' . print_r($_POST, true));
1146 +
1147 + // Get bot_id from form submission EARLY for debugging
1148 + $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
1149 + //error_log('[SITEMAP DEBUG] Extracted bot_id: ' . $bot_id);
1150 + //error_log('[SITEMAP DEBUG] Class exists MxChat_Multi_Bot_Manager: ' . (class_exists('MxChat_Multi_Bot_Manager') ? 'YES' : 'NO'));
1151 + // END DEBUG
1152 +
1153 + // Check if the form was submitted and verify permissions
1154 + if (!isset($_POST['submit_sitemap']) || !current_user_can('manage_options')) {
1155 + //error_log('[SITEMAP DEBUG] Error: Unauthorized access or form not submitted properly');
1156 + wp_die(esc_html__('Unauthorized access', 'mxchat'));
1157 + }
1158 +
1159 + // Verify nonce
1160 + //error_log('[SITEMAP DEBUG] Verifying nonce');
1161 + check_admin_referer('mxchat_submit_sitemap_action', 'mxchat_submit_sitemap_nonce');
1162 +
1163 + // Validate URL
1164 + if (!isset($_POST['sitemap_url']) || empty($_POST['sitemap_url'])) {
1165 + //error_log('[SITEMAP DEBUG] Error: Empty or missing URL');
1166 + set_transient('mxchat_admin_notice_error',
1167 + esc_html__('Please provide a valid URL.', 'mxchat'),
1168 + 30
1169 + );
1170 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1171 + exit;
1172 + }
1173 +
1174 + $submitted_url = esc_url_raw($_POST['sitemap_url']);
1175 +
1176 + // Continue processing with already extracted bot_id
1177 + //error_log('[SITEMAP DEBUG] Processing URL: ' . $submitted_url . ' for bot: ' . $bot_id);
1178 +
1179 + // UPDATED: Get bot-specific options and validate API key
1180 + $bot_options = $this->get_bot_options($bot_id);
1181 + //error_log('[SITEMAP DEBUG] Bot options retrieved: ' . print_r($bot_options, true));
1182 +
1183 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1184 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
1185 +
1186 + //error_log('[SITEMAP DEBUG] Selected embedding model: ' . $selected_model);
1187 +
1188 + if (strpos($selected_model, 'voyage') === 0) {
1189 + $api_key = $options['voyage_api_key'] ?? '';
1190 + $provider_name = 'Voyage AI';
1191 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
1192 + $api_key = $options['gemini_api_key'] ?? '';
1193 + $provider_name = 'Google Gemini';
1194 + } else {
1195 + $api_key = $options['api_key'] ?? '';
1196 + $provider_name = 'OpenAI';
1197 + }
1198 +
1199 + //error_log('[SITEMAP DEBUG] Provider: ' . $provider_name . ', Has API key: ' . (!empty($api_key) ? 'YES' : 'NO'));
1200 +
1201 + if (empty($api_key)) {
1202 + $error_message = sprintf(
1203 + esc_html__('%s API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
1204 + $provider_name
1205 + );
1206 + //error_log('[SITEMAP DEBUG] Error: ' . $error_message);
1207 + set_transient('mxchat_admin_notice_error', $error_message, 30);
1208 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1209 + exit;
1210 + }
1211 +
1212 + //error_log('[SITEMAP DEBUG] Fetching URL content');
1213 + $response = wp_remote_get($submitted_url, array('timeout' => 30));
1214 +
1215 + if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
1216 + $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP Status: ' . wp_remote_retrieve_response_code($response);
1217 + //error_log('[SITEMAP DEBUG] Error fetching URL: ' . $error_message);
1218 + set_transient('mxchat_admin_notice_error',
1219 + sprintf(
1220 + esc_html__('Failed to fetch the URL: %s', 'mxchat'),
1221 + esc_html($error_message)
1222 + ),
1223 + 30
1224 + );
1225 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1226 + exit;
1227 + }
1228 +
1229 + $content_type = wp_remote_retrieve_header($response, 'content-type');
1230 + //error_log('[SITEMAP DEBUG] Content type: ' . $content_type);
1231 + $body_content = wp_remote_retrieve_body($response);
1232 +
1233 + if (empty($body_content)) {
1234 + //error_log('[SITEMAP DEBUG] Error: Empty response body');
1235 + set_transient('mxchat_admin_notice_error',
1236 + esc_html__('Empty response received from URL.', 'mxchat'),
1237 + 30
1238 + );
1239 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1240 + exit;
1241 + }
1242 + //error_log('[SITEMAP DEBUG] Retrieved body content length: ' . strlen($body_content) . ' bytes');
1243 +
1244 + // Handle PDF URL
1245 + if ($this->mxchat_is_pdf_url($submitted_url, $response)) {
1246 + //error_log('[SITEMAP DEBUG] Detected PDF URL, handling PDF for knowledge base');
1247 + //error_log('[SITEMAP DEBUG] About to call PDF handler with bot_id: ' . $bot_id);
1248 +
1249 + // UPDATED: Pass bot_id to PDF handler
1250 + $result = $this->mxchat_handle_pdf_for_knowledge_base($submitted_url, $response, $bot_id);
1251 + //error_log('[SITEMAP DEBUG] PDF handling result: ' . $result);
1252 +
1253 + if ($result === 'scheduled') {
1254 + set_transient(
1255 + 'mxchat_last_pdf_url',
1256 + sanitize_text_field($submitted_url),
1257 + DAY_IN_SECONDS
1258 + );
1259 + // UPDATED: Store bot_id for PDF processing
1260 + set_transient(
1261 + 'mxchat_last_pdf_bot_id',
1262 + $bot_id,
1263 + DAY_IN_SECONDS
1264 + );
1265 + //error_log('[SITEMAP DEBUG] PDF processing scheduled successfully for bot: ' . $bot_id);
1266 + set_transient('mxchat_admin_notice_info',
1267 + esc_html__('PDF processing has started in the background. You can check the progress in the Knowledge Base section.', 'mxchat'),
1268 + 30
1269 + );
1270 + } else {
1271 + //error_log('[SITEMAP DEBUG] PDF processing failed: ' . $result);
1272 + set_transient('mxchat_admin_notice_error',
1273 + esc_html__('Failed to start PDF processing: ', 'mxchat') . esc_html($result),
1274 + 30
1275 + );
1276 + }
1277 +
1278 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1279 + exit;
1280 + }
1281 +
1282 + // Handle Sitemap XML
1283 + if (strpos($content_type, 'xml') !== false || strpos($body_content, '<urlset') !== false) {
1284 + //error_log('[SITEMAP DEBUG] Detected XML content, processing as sitemap');
1285 + libxml_use_internal_errors(true);
1286 + $xml = simplexml_load_string($body_content);
1287 + $xml_errors = libxml_get_errors();
1288 + libxml_clear_errors();
1289 +
1290 + if ($xml === false || !empty($xml_errors)) {
1291 + //error_log('[SITEMAP DEBUG] Error: Invalid XML format');
1292 + if (!empty($xml_errors)) {
1293 + foreach ($xml_errors as $error) {
1294 + //error_log('[SITEMAP DEBUG] XML Error: ' . $error->message);
1295 + }
1296 + }
1297 +
1298 + set_transient('mxchat_admin_notice_error',
1299 + esc_html__('Invalid sitemap XML. Please provide a valid sitemap.', 'mxchat'),
1300 + 30
1301 + );
1302 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1303 + exit;
1304 + }
1305 +
1306 + //error_log('[SITEMAP DEBUG] Valid XML found, handling sitemap for knowledge base');
1307 + // UPDATED: Pass bot_id to sitemap handler
1308 + $result = $this->mxchat_handle_sitemap_for_knowledge_base($xml, $submitted_url, $bot_id);
1309 + //error_log('[SITEMAP DEBUG] Sitemap handling result: ' . $result);
1310 +
1311 + if ($result === 'scheduled') {
1312 + set_transient(
1313 + 'mxchat_last_sitemap_url',
1314 + sanitize_text_field($submitted_url),
1315 + DAY_IN_SECONDS
1316 + );
1317 + // UPDATED: Store bot_id for sitemap processing
1318 + set_transient(
1319 + 'mxchat_last_sitemap_bot_id',
1320 + $bot_id,
1321 + DAY_IN_SECONDS
1322 + );
1323 + set_transient('mxchat_admin_notice_info',
1324 + esc_html__('Sitemap processing has started in the background. You can check the progress in the Knowledge Base section.', 'mxchat'),
1325 + 30
1326 + );
1327 + } else {
1328 + set_transient('mxchat_admin_notice_error',
1329 + esc_html__('Failed to start sitemap processing. Please check the status below for details.', 'mxchat'),
1330 + 30
1331 + );
1332 + }
1333 +
1334 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1335 + exit;
1336 + }
1337 +
1338 + // Handle Regular URL
1339 + //error_log('[SITEMAP DEBUG] Processing as regular webpage');
1340 + $page_content = $this->mxchat_extract_main_content($body_content);
1341 + //error_log('[SITEMAP DEBUG] Extracted content length: ' . strlen($page_content) . ' bytes');
1342 +
1343 + $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
1344 + //error_log('[SITEMAP DEBUG] Sanitized content length: ' . strlen($sanitized_content) . ' bytes');
1345 +
1346 + if (empty($sanitized_content)) {
1347 + //error_log('[SITEMAP DEBUG] Error: No valid content after sanitization');
1348 +
1349 + set_transient('mxchat_admin_notice_error',
1350 + esc_html__('No valid content found on the provided URL.', 'mxchat'),
1351 + 30
1352 + );
1353 +
1354 + set_transient('mxchat_single_url_status', [
1355 + 'url' => $submitted_url,
1356 + 'timestamp' => current_time('mysql'),
1357 + 'status' => 'failed',
1358 + 'error' => esc_html__('No valid content found on the provided URL.', 'mxchat')
1359 + ], DAY_IN_SECONDS);
1360 +
1361 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1362 + exit;
1363 + }
1364 +
1365 + //error_log('[SITEMAP DEBUG] Generating embedding for content');
1366 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content, $bot_id);
1367 +
1368 + if (is_string($embedding_vector)) {
1369 + //error_log('[SITEMAP DEBUG] Error generating embedding: ' . $embedding_vector);
1370 + $error_message = esc_html__('Failed to generate embedding: ', 'mxchat') . esc_html($embedding_vector);
1371 +
1372 + set_transient('mxchat_admin_notice_error', $error_message, 30);
1373 +
1374 + set_transient('mxchat_single_url_status', [
1375 + 'url' => $submitted_url,
1376 + 'timestamp' => current_time('mysql'),
1377 + 'status' => 'failed',
1378 + 'error' => $error_message
1379 + ], DAY_IN_SECONDS);
1380 +
1381 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1382 + exit;
1383 + }
1384 +
1385 + if (is_array($embedding_vector)) {
1386 + //error_log('[SITEMAP DEBUG] Successfully generated embedding with ' . count($embedding_vector) . ' dimensions');
1387 +
1388 + // UPDATED: Pass bot_id to database submission
1389 + $db_result = MxChat_Utils::submit_content_to_db(
1390 + $sanitized_content,
1391 + $submitted_url,
1392 + $api_key,
1393 + null,
1394 + $bot_id
1395 + );
1396 +
1397 + if (is_wp_error($db_result)) {
1398 + //error_log('[SITEMAP DEBUG] Error: Failed to store content in database: ' . $db_result->get_error_message());
1399 + $error_message = esc_html__('Failed to store content in database: ', 'mxchat') . esc_html($db_result->get_error_message());
1400 +
1401 + set_transient('mxchat_admin_notice_error', $error_message, 30);
1402 +
1403 + set_transient('mxchat_single_url_status', [
1404 + 'url' => $submitted_url,
1405 + 'timestamp' => current_time('mysql'),
1406 + 'status' => 'failed',
1407 + 'error' => $error_message
1408 + ], DAY_IN_SECONDS);
1409 +
1410 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1411 + exit;
1412 + }
1413 +
1414 + //error_log('[SITEMAP DEBUG] Successfully stored content in database');
1415 + $success_message = esc_html__('URL content successfully submitted!', 'mxchat');
1416 +
1417 + set_transient('mxchat_admin_notice_success', $success_message, 30);
1418 +
1419 + set_transient('mxchat_single_url_status', [
1420 + 'url' => $submitted_url,
1421 + 'timestamp' => current_time('mysql'),
1422 + 'status' => 'complete',
1423 + 'content_length' => strlen($sanitized_content),
1424 + 'embedding_dimensions' => count($embedding_vector)
1425 + ], DAY_IN_SECONDS);
1426 +
1427 + } else {
1428 + //error_log('[SITEMAP DEBUG] Error: Failed to generate embedding. Unexpected result type: ' . gettype($embedding_vector));
1429 + $error_message = esc_html__('Failed to generate embedding: Unexpected result type. Please check your API key and try again.', 'mxchat');
1430 +
1431 + set_transient('mxchat_admin_notice_error', $error_message, 30);
1432 +
1433 + set_transient('mxchat_single_url_status', [
1434 + 'url' => $submitted_url,
1435 + 'timestamp' => current_time('mysql'),
1436 + 'status' => 'failed',
1437 + 'error' => $error_message
1438 + ], DAY_IN_SECONDS);
1439 + }
1440 +
1441 + //error_log('[SITEMAP DEBUG] ===== Completed URL submission process =====');
1442 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1443 + exit;
1444 +}
1445 +
1446 +public function mxchat_get_single_url_status() {
1447 + $status = get_transient('mxchat_single_url_status');
1448 + if (!$status) {
1449 + return null;
1450 + }
1451 +
1452 + // Add human-readable time
1453 + if (isset($status['timestamp'])) {
1454 + $status['human_time'] = human_time_diff(strtotime($status['timestamp']), current_time('timestamp')) . ' ' . __('ago', 'mxchat');
1455 + }
1456 +
1457 + return $status;
1458 +}
1459 +
1460 +public function mxchat_handle_sitemap_for_knowledge_base($xml, $sitemap_url, $bot_id = 'default') {
1461 + delete_transient('mxchat_single_url_status');
1462 + if (!current_user_can('manage_options')) {
1463 + //error_log(esc_html__('Unauthorized sitemap processing attempt', 'mxchat'));
1464 + return false;
1465 + }
1466 +
1467 + try {
1468 + $sitemap_url = esc_url_raw($sitemap_url);
1469 +
1470 + if (!$xml || !is_object($xml)) {
1471 + throw new Exception(__('Invalid XML object provided', 'mxchat'));
1472 + }
1473 +
1474 + // UPDATED: Get bot-specific embedding API for validation
1475 + $bot_options = $this->get_bot_options($bot_id);
1476 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1477 +
1478 + // ADD THIS: Test the embedding API before processing
1479 + $test_phrase = "Test embedding generation for MxChat";
1480 + $test_result = $this->mxchat_generate_embedding($test_phrase, $bot_id);
1481 +
1482 + if (is_string($test_result)) {
1483 + //error_log('[MXCHAT-URL] Embedding API validation failed: ' . $test_result);
1484 +
1485 + $status_data = array(
1486 + 'total_urls' => 0,
1487 + 'processed_urls' => 0,
1488 + 'status' => 'error',
1489 + 'error' => __('Embedding API validation failed: ', 'mxchat') . $test_result,
1490 + 'last_update' => time(),
1491 + 'bot_id' => $bot_id // ADDED
1492 + );
1493 +
1494 + set_transient(
1495 + sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url)),
1496 + array_map('sanitize_text_field', $status_data),
1497 + DAY_IN_SECONDS
1498 + );
1499 +
1500 + throw new Exception(__('Embedding API validation failed: ', 'mxchat') . $test_result);
1501 + }
1502 +
1503 + if (!is_array($test_result)) {
1504 + //error_log('[MXCHAT-URL] Embedding API returned unexpected result type: ' . gettype($test_result));
1505 + throw new Exception(__('Embedding API returned unexpected result type. Please check your configuration.', 'mxchat'));
1506 + }
1507 +
1508 + $urls = [];
1509 + foreach ($xml->url as $url_element) {
1510 + $url = esc_url_raw((string)$url_element->loc);
1511 + if ($url) {
1512 + $urls[] = $url;
1513 + }
1514 + }
1515 +
1516 + $total_urls = absint(count($urls));
1517 +
1518 + if ($total_urls < 1) {
1519 + throw new Exception(__('No valid URLs found in sitemap', 'mxchat'));
1520 + }
1521 +
1522 + // UPDATED: Pass bot_id to sitemap processing cron
1523 + wp_schedule_single_event(time(), 'mxchat_process_sitemap_urls', array(
1524 + 'urls' => $urls,
1525 + 'sitemap_url' => $sitemap_url,
1526 + 'total_urls' => $total_urls,
1527 + 'batch_size' => absint(10),
1528 + 'batch_pause' => absint(5),
1529 + 'bot_id' => $bot_id // ADDED
1530 + ));
1531 +
1532 + $status_data = array(
1533 + 'total_urls' => $total_urls,
1534 + 'processed_urls' => 0,
1535 + 'status' => 'processing',
1536 + 'last_update' => time(),
1537 + 'bot_id' => $bot_id // ADDED
1538 + );
1539 +
1540 + set_transient(
1541 + sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url)),
1542 + array_map('sanitize_text_field', $status_data),
1543 + DAY_IN_SECONDS
1544 + );
1545 +
1546 + return __('scheduled', 'mxchat');
1547 +
1548 + } catch (\Exception $e) {
1549 + $error_message = $e->getMessage();
1550 + //error_log(sprintf(esc_html__('Error preparing sitemap for processing: %s', 'mxchat'), esc_html($error_message)));
1551 +
1552 + set_transient(
1553 + 'mxchat_last_sitemap_url',
1554 + sanitize_text_field($sitemap_url),
1555 + DAY_IN_SECONDS
1556 + );
1557 +
1558 + $status_data = array(
1559 + 'total_urls' => 0,
1560 + 'processed_urls' => 0,
1561 + 'status' => 'error',
1562 + 'error' => $error_message,
1563 + 'last_update' => time(),
1564 + 'bot_id' => $bot_id // ADDED
1565 + );
1566 +
1567 + set_transient(
1568 + sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url)),
1569 + array_map('sanitize_text_field', $status_data),
1570 + DAY_IN_SECONDS
1571 + );
1572 +
1573 + return $error_message;
1574 + }
1575 +}
1576 +public function mxchat_process_sitemap_urls_cron($urls, $sitemap_url, $total_urls, $batch_size, $batch_pause, $bot_id = 'default') {
1577 + // Validate inputs
1578 + $sitemap_url = esc_url_raw($sitemap_url);
1579 + $total_urls = absint($total_urls);
1580 + $batch_size = absint($batch_size);
1581 + $batch_pause = absint($batch_pause);
1582 + $bot_id = sanitize_key($bot_id);
1583 +
1584 + if (!is_array($urls) || empty($urls)) {
1585 + return;
1586 + }
1587 +
1588 + try {
1589 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
1590 + $status = get_transient($status_key);
1591 +
1592 + if (!$status || !is_array($status)) {
1593 + throw new Exception('Invalid status data retrieved from transient');
1594 + }
1595 +
1596 + // Initialize failed_urls array if it doesn't exist
1597 + if (!isset($status['failed_urls_list']) || !is_array($status['failed_urls_list'])) {
1598 + $status['failed_urls_list'] = [];
1599 + }
1600 +
1601 + $start_url = absint($status['processed_urls']);
1602 + $end_url = min($start_url + $batch_size, $total_urls);
1603 +
1604 + // UPDATED: Get bot-specific options
1605 + $bot_options = $this->get_bot_options($bot_id);
1606 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1607 +
1608 + // Track batch statistics
1609 + $batch_stats = [
1610 + 'processed' => 0,
1611 + 'failed' => 0,
1612 + 'last_error' => '',
1613 + 'embedding_errors' => 0,
1614 + 'network_errors' => 0,
1615 + 'timeout_errors' => 0
1616 + ];
1617 +
1618 + @set_time_limit(300);
1619 +
1620 + for ($i = $start_url; $i < $end_url; $i++) {
1621 + $page_url = esc_url_raw($urls[$i]);
1622 + $max_retries = 5;
1623 + $retry_count = 0;
1624 + $url_processed = false;
1625 + $last_error = '';
1626 +
1627 + if (memory_get_usage(true) > (1024 * 1024 * 100)) {
1628 + //error_log('MxChat: Memory usage high, taking break');
1629 + sleep(2);
1630 + }
1631 +
1632 + while (!$url_processed && $retry_count < $max_retries) {
1633 + try {
1634 + $timeout = 30 + ($retry_count * 10);
1635 +
1636 + $page_response = wp_remote_get($page_url, array(
1637 + 'timeout' => $timeout,
1638 + 'redirection' => 5,
1639 + 'user-agent' => 'MxChat/1.0'
1640 + ));
1641 +
1642 + if (is_wp_error($page_response)) {
1643 + $error_msg = $page_response->get_error_message();
1644 +
1645 + if (strpos($error_msg, 'timeout') !== false) {
1646 + $batch_stats['timeout_errors']++;
1647 + } else {
1648 + $batch_stats['network_errors']++;
1649 + }
1650 +
1651 + throw new Exception('HTTP request failed: ' . $error_msg);
1652 + }
1653 +
1654 + $response_code = wp_remote_retrieve_response_code($page_response);
1655 +
1656 + if (!in_array($response_code, [200, 201, 202])) {
1657 + if ($response_code >= 400 && $response_code < 500) {
1658 + throw new Exception('HTTP Status: ' . $response_code . ' (permanent failure)');
1659 + }
1660 + throw new Exception('HTTP Status: ' . $response_code);
1661 + }
1662 +
1663 + $page_html = wp_remote_retrieve_body($page_response);
1664 +
1665 + if (empty($page_html)) {
1666 + throw new Exception('Empty response body');
1667 + }
1668 +
1669 + $page_content = $this->mxchat_extract_main_content($page_html);
1670 + $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
1671 +
1672 + if (empty($sanitized_content)) {
1673 + //error_log("MxChat: No content found for URL: {$page_url}");
1674 + $url_processed = true;
1675 + $batch_stats['processed']++;
1676 + break;
1677 + }
1678 +
1679 + // UPDATED: Use bot-specific embedding generation
1680 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content, $bot_id);
1681 +
1682 + if (is_string($embedding_vector)) {
1683 + $batch_stats['embedding_errors']++;
1684 +
1685 + if (strpos($embedding_vector, 'rate limit') !== false ||
1686 + strpos($embedding_vector, 'quota') !== false) {
1687 + sleep(30 + ($retry_count * 10));
1688 + }
1689 +
1690 + throw new Exception('Embedding generation failed: ' . $embedding_vector);
1691 + }
1692 +
1693 + if (!is_array($embedding_vector)) {
1694 + throw new Exception('Embedding generation returned unexpected result type: ' . gettype($embedding_vector));
1695 + }
1696 +
1697 + // UPDATED: Pass bot_id to database submission
1698 + $submission_result = MxChat_Utils::submit_content_to_db($sanitized_content, $page_url, $options['api_key'], null, $bot_id);
1699 +
1700 + if (is_wp_error($submission_result)) {
1701 + throw new Exception('Database submission failed: ' . $submission_result->get_error_message());
1702 + }
1703 +
1704 + // Success!
1705 + $url_processed = true;
1706 + $batch_stats['processed']++;
1707 +
1708 + } catch (Exception $e) {
1709 + $retry_count++;
1710 + $last_error = $e->getMessage();
1711 +
1712 + if (strpos($last_error, 'rate limit') !== false) {
1713 + sleep(60);
1714 + } elseif (strpos($last_error, 'timeout') !== false) {
1715 + sleep(10);
1716 + } elseif (strpos($last_error, 'permanent failure') !== false) {
1717 + break;
1718 + } else {
1719 + sleep(pow(2, $retry_count - 1));
1720 + }
1721 + }
1722 + }
1723 +
1724 + // If URL still not processed after all retries, mark as failed
1725 + if (!$url_processed) {
1726 + $batch_stats['failed']++;
1727 + $batch_stats['last_error'] = $last_error;
1728 +
1729 + $status['failed_urls_list'][] = [
1730 + 'url' => $page_url,
1731 + 'error' => $last_error,
1732 + 'time' => time(),
1733 + 'retries' => $max_retries
1734 + ];
1735 +
1736 + if (count($status['failed_urls_list']) > 100) {
1737 + $status['failed_urls_list'] = array_slice($status['failed_urls_list'], -100);
1738 + }
1739 + }
1740 +
1741 + // Update progress after each URL
1742 + $status['processed_urls'] = absint($i + 1);
1743 + $status['last_update'] = time();
1744 + $status['failed_urls'] = absint($status['failed_urls'] ?? 0) + ($url_processed ? 0 : 1);
1745 + $status['last_error'] = $batch_stats['last_error'];
1746 +
1747 + set_transient($status_key, $status, DAY_IN_SECONDS);
1748 + }
1749 +
1750 + $failure_rate = $batch_stats['failed'] / max(1, $batch_stats['processed'] + $batch_stats['failed']);
1751 +
1752 + if ($batch_stats['processed'] === 0 && $batch_stats['failed'] >= 5) {
1753 + $status['status'] = 'error';
1754 + $status['error'] = sprintf(
1755 + 'Processing stopped after %d consecutive failures. Last error: %s',
1756 + $batch_stats['failed'],
1757 + $batch_stats['last_error']
1758 + );
1759 + set_transient($status_key, $status, DAY_IN_SECONDS);
1760 + return;
1761 + }
1762 +
1763 + // Update final progress
1764 + $status['processed_urls'] = min($end_url, $total_urls);
1765 + $status['last_update'] = time();
1766 + $status['batch_stats'] = $batch_stats;
1767 + set_transient($status_key, $status, DAY_IN_SECONDS);
1768 +
1769 + // Check if we've processed all URLs
1770 + if ($end_url >= $total_urls) {
1771 + // All URLs have been processed - mark as complete
1772 + $status['status'] = 'complete';
1773 + $status['processed_urls'] = $total_urls;
1774 +
1775 + $status['completion_summary'] = [
1776 + 'total_urls' => $total_urls,
1777 + 'successful_urls' => $total_urls - absint($status['failed_urls'] ?? 0),
1778 + 'failed_urls' => absint($status['failed_urls'] ?? 0),
1779 + 'completion_time' => current_time('mysql'),
1780 + 'final_batch_stats' => $batch_stats
1781 + ];
1782 +
1783 + set_transient($status_key, $status, DAY_IN_SECONDS);
1784 + } else {
1785 + $dynamic_pause = $batch_pause;
1786 +
1787 + if ($failure_rate > 0.5) {
1788 + $dynamic_pause *= 3;
1789 + } elseif ($batch_stats['embedding_errors'] > 3) {
1790 + $dynamic_pause *= 2;
1791 + }
1792 +
1793 + // UPDATED: Pass bot_id to next batch
1794 + wp_schedule_single_event(time() + $dynamic_pause, 'mxchat_process_sitemap_urls', array(
1795 + 'urls' => $urls,
1796 + 'sitemap_url' => $sitemap_url,
1797 + 'total_urls' => $total_urls,
1798 + 'batch_size' => $batch_size,
1799 + 'batch_pause' => $batch_pause,
1800 + 'bot_id' => $bot_id // ADDED
1801 + ));
1802 + }
1803 + } catch (\Exception $e) {
1804 + $status['last_error'] = $e->getMessage();
1805 + $status['error_count'] = ($status['error_count'] ?? 0) + 1;
1806 +
1807 + if ($status['error_count'] >= 5) {
1808 + $status['status'] = 'error';
1809 + $status['error'] = 'Too many batch failures: ' . $e->getMessage();
1810 + } else {
1811 + // UPDATED: Pass bot_id to retry batch
1812 + wp_schedule_single_event(time() + 300, 'mxchat_process_sitemap_urls', array(
1813 + 'urls' => $urls,
1814 + 'sitemap_url' => $sitemap_url,
1815 + 'total_urls' => $total_urls,
1816 + 'batch_size' => max(5, $batch_size / 2),
1817 + 'batch_pause' => $batch_pause * 2,
1818 + 'bot_id' => $bot_id // ADDED
1819 + ));
1820 + }
1821 +
1822 + set_transient($status_key, $status, DAY_IN_SECONDS);
1823 + }
1824 +}
1825 +
1826 +
1827 +public function mxchat_sanitize_content_for_api($content) {
1828 + //error_log('[MXCHAT-SANITIZE] Original content preview: ' . substr($content, 0, 500) . '...');
1829 +
1830 + // Remove script, style tags, and HTML comments
1831 + $content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $content);
1832 + $content = preg_replace('/<style\b[^>]*>(.*?)<\/style>/is', '', $content);
1833 + $content = preg_replace('/<!--(.|\s)*?-->/', '', $content);
1834 +
1835 + // Remove all HTML tags and decode HTML entities
1836 + $content = wp_strip_all_tags($content);
1837 + $content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5);
1838 +
1839 + // Normalize whitespace but preserve paragraph breaks
1840 + // First, normalize line endings to \n
1841 + $content = str_replace(["\r\n", "\r"], "\n", $content);
1842 + // Replace multiple spaces/tabs with single space, but preserve newlines
1843 + $content = preg_replace('/[ \t]+/', ' ', $content);
1844 + // Replace 3+ newlines with 2 newlines (max 2 blank lines)
1845 + $content = preg_replace('/\n{3,}/', "\n\n", $content);
1846 + // Trim each line
1847 + $lines = explode("\n", $content);
1848 + $lines = array_map('trim', $lines);
1849 + $content = implode("\n", $lines);
1850 + // Final trim
1851 + $content = trim($content);
1852 +
1853 + // Remove control characters (which can cause database issues) but preserve \n (0x0A) and \r (0x0D)
1854 + $content = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/u', '', $content);
1855 +
1856 + // Remove NULL bytes which can cause database errors
1857 + $content = str_replace("\0", "", $content);
1858 +
1859 + // Ensure valid UTF-8 encoding
1860 + $content = wp_check_invalid_utf8($content);
1861 +
1862 + // Remove any extremely long strings without spaces (often garbage)
1863 + $content = preg_replace('/\S{300,}/', ' ', $content);
1864 +
1865 + // Replace problematic characters that often cause database issues
1866 + $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); // Remove emoji and other high Unicode characters
1867 +
1868 + // Replace any remaining potentially problematic characters with spaces
1869 + // BUT preserve newlines by temporarily replacing them
1870 + $content = str_replace("\n", "NEWLINE_PLACEHOLDER", $content);
1871 + $content = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\p{Sm}]/u', ' ', $content);
1872 + $content = str_replace("NEWLINE_PLACEHOLDER", "\n", $content);
1873 +
1874 + // Limit to reasonable length if needed
1875 + $max_length = 65000; // Just under MySQL TEXT field limit
1876 + if (strlen($content) > $max_length) {
1877 + $content = substr($content, 0, $max_length);
1878 + }
1879 +
1880 + //error_log('[MXCHAT-SANITIZE] Sanitized content preview: ' . substr($content, 0, 500) . '...');
1881 + return $content;
1882 +}
1883 +public function mxchat_extract_main_content($html) {
1884 + if (empty($html)) {
1885 + return '';
1886 + }
1887 + try {
1888 + $dom = new DOMDocument;
1889 + libxml_use_internal_errors(true); // Suppress HTML parsing errors
1890 + @$dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
1891 + $xpath = new DOMXPath($dom);
1892 +
1893 + // For debugging purposes
1894 + $debugEnabled = false; // Set to true to enable debugging output
1895 + $debug = function($message) use ($debugEnabled) {
1896 + if ($debugEnabled) {
1897 + //error_log('[MXCHAT-DEBUG] ' . $message);
1898 + }
1899 + };
1900 +
1901 + // Direct targeting for Gerow theme posts
1902 + $post_text = $xpath->query('//div[contains(@class, "post-text")]');
1903 + if ($post_text && $post_text->length > 0) {
1904 + $debug("Found post-text directly");
1905 + $content = '';
1906 + foreach ($post_text as $node) {
1907 + $content .= $dom->saveHTML($node);
1908 + }
1909 + if (!empty($content)) {
1910 + $debug("Returning post-text content");
1911 + return $content;
1912 + }
1913 + }
1914 +
1915 + // Try to get the blog details content which contains the post-text
1916 + $blog_details = $xpath->query('//div[contains(@class, "blog-details-content")]');
1917 + if ($blog_details && $blog_details->length > 0) {
1918 + $debug("Found blog-details-content");
1919 + $content = '';
1920 + foreach ($blog_details as $node) {
1921 + $content .= $dom->saveHTML($node);
1922 + }
1923 + if (!empty($content)) {
1924 + $debug("Returning blog-details-content");
1925 + return $content;
1926 + }
1927 + }
1928 +
1929 + // Try to get the article which contains the blog details
1930 + $article = $xpath->query('//article[contains(@class, "blog-details-wrap")]');
1931 + if ($article && $article->length > 0) {
1932 + $debug("Found article with blog-details-wrap");
1933 + $content = '';
1934 + foreach ($article as $node) {
1935 + $content .= $dom->saveHTML($node);
1936 + }
1937 + if (!empty($content)) {
1938 + $debug("Returning article content");
1939 + return $content;
1940 + }
1941 + }
1942 +
1943 + // Try even broader with the blog-item-wrap
1944 + $blog_item = $xpath->query('//div[contains(@class, "blog-item-wrap")]');
1945 + if ($blog_item && $blog_item->length > 0) {
1946 + $debug("Found blog-item-wrap");
1947 + $content = '';
1948 + foreach ($blog_item as $node) {
1949 + $content .= $dom->saveHTML($node);
1950 + }
1951 + if (!empty($content)) {
1952 + $debug("Returning blog-item-wrap content");
1953 + return $content;
1954 + }
1955 + }
1956 +
1957 + // Specific Gerow theme path
1958 + $gerow_path = $xpath->query('//section[contains(@class, "blog-area")]//div[contains(@class, "post-text")]');
1959 + if ($gerow_path && $gerow_path->length > 0) {
1960 + $debug("Found Gerow theme path to post-text");
1961 + $content = '';
1962 + foreach ($gerow_path as $node) {
1963 + $content .= $dom->saveHTML($node);
1964 + }
1965 + if (!empty($content)) {
1966 + $debug("Returning Gerow post-text content");
1967 + return $content;
1968 + }
1969 + }
1970 +
1971 + // Generic blog post selectors
1972 + $selectors = [
1973 + // Blog post specific selectors
1974 + '//div[contains(@class, "post-text")]',
1975 + '//article[contains(@class, "blog-post-item")]//div[contains(@class, "post-text")]',
1976 + '//div[contains(@class, "blog-details-content")]',
1977 + '//article[contains(@class, "blog-details-wrap")]',
1978 + '//div[contains(@class, "entry-content")]',
1979 + '//div[contains(@class, "blog-content")]',
1980 + '//div[contains(@class, "blog-item-wrap")]',
1981 +
1982 + // More general content selectors
1983 + '//div[contains(@class, "page__content")]',
1984 + '//div[contains(@class, "elementor-widget-container")]',
1985 + '//div[contains(@class, "elementor-text-editor")]',
1986 + '//div[contains(@class, "elementor-widget-text-editor")]',
1987 + '//*[contains(@class, "entry-content")]',
1988 + '//*[contains(@class, "post-content")]',
1989 + '//*[contains(@class, "article-content")]',
1990 + '//*[@id="content"]',
1991 + '//*[@id="main-content"]',
1992 + '//section[contains(@class, "blog-area")]',
1993 + '//article',
1994 + '//main',
1995 + '//div[contains(@class, "content")]'
1996 + ];
1997 +
1998 + // First handle Elementor content
1999 + $debug("Checking for Elementor content");
2000 + $elementor_widgets = $xpath->query('//div[contains(@class, "elementor-element")]//div[contains(@class, "elementor-widget-container")]');
2001 + if ($elementor_widgets && $elementor_widgets->length > 0) {
2002 + $debug("Found Elementor widgets");
2003 + $combined_content = '';
2004 + foreach ($elementor_widgets as $widget) {
2005 + $widget_content = $dom->saveHTML($widget);
2006 + if (!empty($widget_content)) {
2007 + $combined_content .= $widget_content;
2008 + }
2009 + }
2010 + if (!empty($combined_content)) {
2011 + $debug("Returning Elementor content");
2012 + return $combined_content;
2013 + }
2014 + }
2015 +
2016 + // Try standard selectors one by one
2017 + foreach ($selectors as $selector) {
2018 + $debug("Trying selector: " . $selector);
2019 + $nodes = $xpath->query($selector);
2020 + if ($nodes && $nodes->length > 0) {
2021 + $debug("Found matches for selector: " . $selector);
2022 + $content = '';
2023 + foreach ($nodes as $node) {
2024 + $content .= $dom->saveHTML($node);
2025 + }
2026 + if (!empty($content)) {
2027 + $debug("Returning content from selector: " . $selector);
2028 + return $content;
2029 + }
2030 + }
2031 + }
2032 +
2033 + // Manual regex fallback for post-text if DOM methods fail
2034 + $debug("Trying regex fallback");
2035 + if (preg_match('/<div class="post-text">(.*?)<\/div>\s*<\/div>\s*<\/div>/s', $html, $matches)) {
2036 + $debug("Found post-text via regex");
2037 + return '<div class="post-text">' . $matches[1] . '</div>';
2038 + }
2039 +
2040 + // Try to extract the blog section as a whole
2041 + $blog_section = $xpath->query('//section[contains(@class, "blog-area")]');
2042 + if ($blog_section && $blog_section->length > 0) {
2043 + $debug("Found blog-area section");
2044 + $content = '';
2045 + foreach ($blog_section as $node) {
2046 + $content .= $dom->saveHTML($node);
2047 + }
2048 + if (!empty($content)) {
2049 + $debug("Returning blog-area section content");
2050 + return $content;
2051 + }
2052 + }
2053 +
2054 + // Fallback: Return the body content if no specific selector matches
2055 + $debug("Using body fallback");
2056 + $body = $dom->getElementsByTagName('body');
2057 + if ($body->length > 0) {
2058 + return $dom->saveHTML($body->item(0));
2059 + }
2060 +
2061 + // Last resort: return the original HTML
2062 + $debug("Returning original HTML");
2063 + return $html;
2064 + } catch (Exception $e) {
2065 + //error_log('[MXCHAT-ERROR] Content extraction failed: ' . $e->getMessage());
2066 + return $html; // Return original HTML if parsing fails
2067 + } finally {
2068 + libxml_clear_errors();
2069 + }
2070 +}
2071 +public function mxchat_get_sitemap_processing_status($sitemap_url) {
2072 + $sitemap_url = esc_url_raw($sitemap_url);
2073 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
2074 + $status = get_transient($status_key);
2075 +
2076 + if (!$status || !is_array($status)) {
2077 + return false;
2078 + }
2079 +
2080 + // Auto-complete check: if all URLs are processed but status isn't complete
2081 + if (isset($status['processed_urls']) && isset($status['total_urls']) &&
2082 + $status['processed_urls'] >= $status['total_urls'] &&
2083 + isset($status['status']) && $status['status'] !== 'complete' &&
2084 + $status['status'] !== 'error') {
2085 +
2086 + // Mark as complete
2087 + $status['status'] = 'complete';
2088 + $status['processed_urls'] = $status['total_urls']; // Ensure exact match
2089 +
2090 + // Update the transient with the corrected status
2091 + set_transient($status_key, $status, DAY_IN_SECONDS);
2092 + }
2093 +
2094 + return array(
2095 + 'total_urls' => absint($status['total_urls']),
2096 + 'processed_urls' => absint($status['processed_urls']),
2097 + 'failed_urls' => absint($status['failed_urls'] ?? 0),
2098 + 'percentage' => ($status['total_urls'] > 0)
2099 + ? round((absint($status['processed_urls']) / absint($status['total_urls'])) * 100)
2100 + : 0,
2101 + 'status' => sanitize_text_field($status['status']),
2102 + 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
2103 + 'error' => isset($status['error']) ? sanitize_text_field($status['error']) : '',
2104 + 'last_error' => isset($status['last_error']) ? sanitize_text_field($status['last_error']) : '',
2105 + 'failed_urls_list' => isset($status['failed_urls_list']) ? $status['failed_urls_list'] : array()
2106 + );
2107 +}
2108 +
2109 +public function mxchat_ajax_get_status_updates() {
2110 + try {
2111 + // Verify the request
2112 + check_ajax_referer('mxchat_status_nonce', 'nonce');
2113 +
2114 + // Get the status just like in your admin page
2115 + $pdf_url = get_transient('mxchat_last_pdf_url');
2116 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
2117 +
2118 + $pdf_status = $pdf_url ? $this->mxchat_get_pdf_processing_status($pdf_url) : false;
2119 + $sitemap_status = $sitemap_url ? $this->mxchat_get_sitemap_processing_status($sitemap_url) : false;
2120 +
2121 + // Add the PDF URL to the status object
2122 + if ($pdf_status && $pdf_url) {
2123 + $pdf_status['pdf_url'] = $pdf_url;
2124 + }
2125 +
2126 + // Set the current PDF URL for the manual batch processing button
2127 + $current_pdf_url = $pdf_url;
2128 +
2129 + // Check for true processing status, not just presence of status
2130 + $is_active_processing =
2131 + ($sitemap_status && isset($sitemap_status['status']) && $sitemap_status['status'] === 'processing') ||
2132 + ($pdf_status && isset($pdf_status['status']) && $pdf_status['status'] === 'processing');
2133 +
2134 + // Get single URL status, but only if no processing is active
2135 + $single_url_status = !$is_active_processing ? $this->mxchat_get_single_url_status() : false;
2136 +
2137 + // REMOVED: Auto-clearing of completed status - now only done via dismiss button
2138 +
2139 + // Return JSON response with the status data
2140 + wp_send_json(array(
2141 + 'pdf_status' => $pdf_status,
2142 + 'sitemap_status' => $sitemap_status,
2143 + 'single_url_status' => $single_url_status,
2144 + 'is_processing' => $is_active_processing,
2145 + 'current_pdf_url' => $current_pdf_url
2146 + ));
2147 +
2148 + } catch (Exception $e) {
2149 + // Log the error
2150 + //error_log('MxChat Status Update Error: ' . $e->getMessage());
2151 +
2152 + // Return a friendly error response
2153 + wp_send_json_error(array(
2154 + 'message' => 'Error getting status updates: ' . $e->getMessage(),
2155 + 'status' => 'error'
2156 + ));
2157 + }
2158 +}
2159 +public function mxchat_stop_processing() {
2160 + // Verify permissions
2161 + if (!current_user_can('manage_options')) {
2162 + wp_die(esc_html__('Unauthorized access', 'mxchat'));
2163 + }
2164 +
2165 + // Verify nonce
2166 + check_admin_referer('mxchat_stop_processing_action', 'mxchat_stop_processing_nonce');
2167 +
2168 + // Get the last sitemap URL and clear its transient
2169 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
2170 + if ($sitemap_url) {
2171 + delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
2172 + delete_transient('mxchat_last_sitemap_url');
2173 + }
2174 +
2175 + // Get the last PDF URL and clear its transient
2176 + $pdf_url = get_transient('mxchat_last_pdf_url');
2177 + if ($pdf_url) {
2178 + delete_transient('mxchat_pdf_status_' . md5($pdf_url));
2179 + delete_transient('mxchat_last_pdf_url');
2180 + }
2181 +
2182 + // Unschedule any pending sitemap events
2183 + $timestamp = wp_next_scheduled('mxchat_process_sitemap_urls');
2184 + if ($timestamp) {
2185 + wp_unschedule_event($timestamp, 'mxchat_process_sitemap_urls');
2186 + }
2187 +
2188 + // Redirect back with a success message
2189 + set_transient('mxchat_admin_notice_success',
2190 + esc_html__('Processing has been stopped successfully.', 'mxchat'),
2191 + 30
2192 + );
2193 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
2194 + exit;
2195 +}
2196 +
2197 +
2198 +/**
2199 + * Get content list for processing
2200 + */
2201 +public function ajax_mxchat_get_content_list() {
2202 + // Verify the nonce
2203 + check_ajax_referer('mxchat_content_selector_nonce', 'nonce');
2204 +
2205 + if (!current_user_can('manage_options')) {
2206 + wp_send_json_error(__('Unauthorized access', 'mxchat'));
2207 + }
2208 +
2209 + $page = isset($_GET['page']) ? absint($_GET['page']) : 1;
2210 + $per_page = isset($_GET['per_page']) ? absint($_GET['per_page']) : 50;
2211 + $search = isset($_GET['search']) ? sanitize_text_field($_GET['search']) : '';
2212 + $post_type = isset($_GET['post_type']) ? sanitize_text_field($_GET['post_type']) : 'all';
2213 + $post_status = isset($_GET['post_status']) ? sanitize_text_field($_GET['post_status']) : 'publish';
2214 + $processed_filter = isset($_GET['processed_filter']) ? sanitize_text_field($_GET['processed_filter']) : 'all';
2215 +
2216 + // Build query args
2217 + $args = array(
2218 + 'posts_per_page' => $per_page,
2219 + 'paged' => $page,
2220 + 'post_status' => $post_status !== 'all' ? $post_status : array('publish', 'draft', 'pending'),
2221 + 'orderby' => 'date',
2222 + 'order' => 'DESC',
2223 + );
2224 +
2225 + // Handle post types - IMPROVED VERSION
2226 + if ($post_type !== 'all') {
2227 + $args['post_type'] = $post_type;
2228 + } else {
2229 + // Get all available post types that might contain content
2230 + $all_post_types = array();
2231 +
2232 + // First get all public post types
2233 + $public_types = get_post_types(array('public' => true), 'names');
2234 + $all_post_types = array_merge($all_post_types, $public_types);
2235 +
2236 + // Add common forum/community post types
2237 + $forum_types = array('topic', 'reply', 'forum', 'wpforo_topic', 'wpforo_post');
2238 + foreach ($forum_types as $forum_type) {
2239 + if (post_type_exists($forum_type)) {
2240 + $all_post_types[] = $forum_type;
2241 + }
2242 + }
2243 +
2244 + // Add other commonly used post types
2245 + $common_types = array('product', 'job_listing', 'event', 'portfolio');
2246 + foreach ($common_types as $common_type) {
2247 + if (post_type_exists($common_type)) {
2248 + $all_post_types[] = $common_type;
2249 + }
2250 + }
2251 +
2252 + // Remove duplicates and ensure we have at least some post types
2253 + $all_post_types = array_unique($all_post_types);
2254 +
2255 + if (empty($all_post_types)) {
2256 + // Fallback to basic post types
2257 + $all_post_types = array('post', 'page');
2258 + }
2259 +
2260 + $args['post_type'] = $all_post_types;
2261 +
2262 + // Debug logging to see what post types are being queried
2263 + //error_log('MxChat Debug: Querying post types: ' . implode(', ', $all_post_types));
2264 + }
2265 +
2266 + if (!empty($search)) {
2267 + $args['s'] = $search;
2268 + }
2269 +
2270 + // Get processed data from storage
2271 + $processed_data = array();
2272 +
2273 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
2274 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2275 +
2276 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
2277 + // Get fresh data from Pinecone - no caching
2278 + $processed_data = $this->mxchat_get_pinecone_processed_content($pinecone_options);
2279 + } else {
2280 + // WordPress DB checking with better URL matching for all post types
2281 + global $wpdb;
2282 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2283 + $processed_items = $wpdb->get_results("SELECT id, source_url, timestamp FROM {$table_name}");
2284 +
2285 + if (!empty($processed_items)) {
2286 + foreach ($processed_items as $item) {
2287 + // Use improved URL matching that works for all post types
2288 + $post_id = $this->mxchat_url_to_post_id_improved($item->source_url);
2289 +
2290 + if ($post_id) {
2291 + $processed_data[$post_id] = array(
2292 + 'db_id' => $item->id,
2293 + 'timestamp' => $item->timestamp,
2294 + 'url' => $item->source_url,
2295 + 'source' => 'wordpress'
2296 + );
2297 + }
2298 + }
2299 + }
2300 + }
2301 +
2302 + // Get processed IDs as a simple array for in_array checks
2303 + $processed_ids = array_keys($processed_data);
2304 +
2305 + // Handle processed/unprocessed filter
2306 + if ($processed_filter === 'processed' && !empty($processed_ids)) {
2307 + $args['post__in'] = $processed_ids;
2308 + } elseif ($processed_filter === 'unprocessed' && !empty($processed_ids)) {
2309 + $args['post__not_in'] = $processed_ids;
2310 + }
2311 +
2312 + // Run the query
2313 + $query = new WP_Query($args);
2314 + $content_items = array();
2315 +
2316 + if ($query->have_posts()) {
2317 + while ($query->have_posts()) {
2318 + $query->the_post();
2319 + $id = get_the_ID();
2320 + $post_date = get_the_date();
2321 + $excerpt = wp_trim_words(get_the_excerpt(), 20, '...');
2322 + $word_count = str_word_count(strip_tags(get_the_content()));
2323 +
2324 + $is_processed = in_array($id, $processed_ids);
2325 + $processed_date = '';
2326 + $db_record_id = 0;
2327 + $data_source = 'none';
2328 +
2329 + if ($is_processed && isset($processed_data[$id])) {
2330 + $item_data = $processed_data[$id];
2331 + $data_source = $item_data['source'];
2332 +
2333 + if ($data_source === 'wordpress' && isset($item_data['timestamp'])) {
2334 + // WordPress DB format
2335 + $timestamp = strtotime($item_data['timestamp']);
2336 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
2337 + $db_record_id = $item_data['db_id'];
2338 + } elseif ($data_source === 'pinecone') {
2339 + // Pinecone format
2340 + $processed_date = $item_data['processed_date'];
2341 + $db_record_id = $item_data['db_id'];
2342 + }
2343 + }
2344 +
2345 + $content_items[] = array(
2346 + 'id' => $id,
2347 + 'title' => get_the_title(),
2348 + 'permalink' => get_permalink(),
2349 + 'date' => $post_date,
2350 + 'type' => get_post_type(),
2351 + 'status' => get_post_status(),
2352 + 'excerpt' => $excerpt,
2353 + 'word_count' => $word_count,
2354 + 'already_processed' => $is_processed,
2355 + 'processed_date' => $processed_date,
2356 + 'db_record_id' => $db_record_id,
2357 + 'data_source' => $data_source
2358 + );
2359 + }
2360 + wp_reset_postdata();
2361 + }
2362 +
2363 + $response = array(
2364 + 'items' => $content_items,
2365 + 'total' => $query->found_posts,
2366 + 'total_pages' => $query->max_num_pages,
2367 + 'current_page' => $page,
2368 + 'processed_count' => count($processed_ids)
2369 + );
2370 +
2371 + wp_send_json_success($response);
2372 + exit;
2373 +}
2374 +
2375 +
2376 +/**
2377 + * This function handles various WooCommerce URL formats and permalink structures
2378 + */
2379 +private function mxchat_url_to_post_id_improved($url) {
2380 + // First try the standard WordPress function
2381 + $post_id = url_to_postid($url);
2382 +
2383 + if ($post_id > 0) {
2384 + return $post_id;
2385 + }
2386 +
2387 + // If that fails, try more aggressive URL matching
2388 + // Remove trailing slashes and query parameters for better matching
2389 + $clean_url = rtrim($url, '/');
2390 + $clean_url = strtok($clean_url, '?'); // Remove query parameters
2391 +
2392 + // Try again with cleaned URL
2393 + $post_id = url_to_postid($clean_url);
2394 + if ($post_id > 0) {
2395 + return $post_id;
2396 + }
2397 +
2398 + // For bbPress forum topics, try extracting slug from URL
2399 + if (strpos($url, '/topic/') !== false || strpos($url, '/forums/') !== false) {
2400 + // Handle bbPress URLs: /forums/topic/topic-name/
2401 + if (preg_match('/\/forums\/topic\/([^\/\?]+)/', $url, $matches)) {
2402 + $topic_slug = $matches[1];
2403 +
2404 + // Look up topic by slug
2405 + $topic = get_page_by_path($topic_slug, OBJECT, 'topic');
2406 + if ($topic) {
2407 + return $topic->ID;
2408 + }
2409 +
2410 + // Alternative method: query by post_name
2411 + global $wpdb;
2412 + $post_id = $wpdb->get_var($wpdb->prepare(
2413 + "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
2414 + $topic_slug
2415 + ));
2416 +
2417 + if ($post_id) {
2418 + return intval($post_id);
2419 + }
2420 + }
2421 +
2422 + // Handle simpler topic URLs: /topic/topic-name/
2423 + if (preg_match('/\/topic\/([^\/\?]+)/', $url, $matches)) {
2424 + $topic_slug = $matches[1];
2425 +
2426 + global $wpdb;
2427 + $post_id = $wpdb->get_var($wpdb->prepare(
2428 + "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
2429 + $topic_slug
2430 + ));
2431 +
2432 + if ($post_id) {
2433 + return intval($post_id);
2434 + }
2435 + }
2436 + }
2437 +
2438 + // For WooCommerce products
2439 + if (strpos($url, '/product/') !== false || strpos($url, 'product=') !== false) {
2440 + // Extract product slug from various URL formats
2441 + $product_slug = '';
2442 +
2443 + // Handle pretty permalinks: /product/product-name/
2444 + if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
2445 + $product_slug = $matches[1];
2446 + }
2447 + // Handle query parameters: ?product=product-name
2448 + elseif (preg_match('/[\?&]product=([^&]+)/', $url, $matches)) {
2449 + $product_slug = $matches[1];
2450 + }
2451 +
2452 + if (!empty($product_slug)) {
2453 + // Look up product by slug
2454 + $product = get_page_by_path($product_slug, OBJECT, 'product');
2455 + if ($product) {
2456 + return $product->ID;
2457 + }
2458 +
2459 + // Alternative method: query by post_name
2460 + global $wpdb;
2461 + $post_id = $wpdb->get_var($wpdb->prepare(
2462 + "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'product' AND post_status = 'publish'",
2463 + $product_slug
2464 + ));
2465 +
2466 + if ($post_id) {
2467 + return intval($post_id);
2468 + }
2469 + }
2470 + }
2471 +
2472 + // Generic approach: try to extract slug and match against all post types
2473 + $parsed_url = wp_parse_url($clean_url);
2474 + $path = $parsed_url['path'] ?? '';
2475 +
2476 + if (!empty($path)) {
2477 + // Get the last part of the path as potential slug
2478 + $path_parts = array_filter(explode('/', trim($path, '/')));
2479 + $potential_slug = end($path_parts);
2480 +
2481 + if (!empty($potential_slug)) {
2482 + global $wpdb;
2483 +
2484 + // Try to find any post with this slug
2485 + $post_id = $wpdb->get_var($wpdb->prepare(
2486 + "SELECT ID FROM {$wpdb->posts}
2487 + WHERE post_name = %s
2488 + AND post_status IN ('publish', 'closed', 'private')
2489 + AND post_type NOT IN ('revision', 'attachment', 'nav_menu_item')
2490 + ORDER BY CASE
2491 + WHEN post_type = 'post' THEN 1
2492 + WHEN post_type = 'page' THEN 2
2493 + WHEN post_type = 'topic' THEN 3
2494 + WHEN post_type = 'product' THEN 4
2495 + ELSE 5
2496 + END
2497 + LIMIT 1",
2498 + $potential_slug
2499 + ));
2500 +
2501 + if ($post_id) {
2502 + return intval($post_id);
2503 + }
2504 + }
2505 + }
2506 +
2507 + // ADDITIONAL: Try direct database lookup by URL variations
2508 + global $wpdb;
2509 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2510 +
2511 + // Try variations of the URL (with/without trailing slash, http/https)
2512 + $url_variations = array(
2513 + $url,
2514 + rtrim($url, '/'),
2515 + $url . '/',
2516 + str_replace('http://', 'https://', $url),
2517 + str_replace('https://', 'http://', $url),
2518 + str_replace('http://', 'https://', rtrim($url, '/')),
2519 + str_replace('https://', 'http://', rtrim($url, '/'))
2520 + );
2521 +
2522 + // Remove duplicates
2523 + $url_variations = array_unique($url_variations);
2524 +
2525 + foreach ($url_variations as $variation) {
2526 + $existing_record = $wpdb->get_row($wpdb->prepare(
2527 + "SELECT id, source_url FROM $table_name WHERE source_url = %s",
2528 + $variation
2529 + ));
2530 +
2531 + if ($existing_record) {
2532 + // Try to get post ID from this stored URL
2533 + $stored_post_id = url_to_postid($existing_record->source_url);
2534 + if ($stored_post_id > 0) {
2535 + return $stored_post_id;
2536 + }
2537 + }
2538 + }
2539 +
2540 + return 0; // No match found
2541 +}
2542 +/**
2543 + * Process selected content via AJAX
2544 + */
2545 +public function ajax_mxchat_process_selected_content() {
2546 + // Basic request validation
2547 + if (!check_ajax_referer('mxchat_content_selector_nonce', 'nonce', false)) {
2548 + wp_send_json_error('Invalid nonce');
2549 + exit;
2550 + }
2551 +
2552 + if (!current_user_can('manage_options')) {
2553 + wp_send_json_error('Unauthorized access');
2554 + exit;
2555 + }
2556 +
2557 + // Get post IDs - safely parse the array
2558 + $post_ids = array();
2559 + if (isset($_POST['post_ids']) && is_array($_POST['post_ids'])) {
2560 + foreach ($_POST['post_ids'] as $id) {
2561 + $post_ids[] = absint($id);
2562 + }
2563 + }
2564 +
2565 + if (empty($post_ids)) {
2566 + wp_send_json_error('No content selected');
2567 + exit;
2568 + }
2569 +
2570 + // UPDATED: Get bot_id from request
2571 + $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
2572 +
2573 + // Process only ONE post at a time to avoid request size issues
2574 + $post_id = reset($post_ids);
2575 + $post = get_post($post_id);
2576 +
2577 + if (!$post) {
2578 + wp_send_json_error('Post not found');
2579 + exit;
2580 + }
2581 +
2582 + // Get content including ACF fields
2583 + $content = $post->post_title . "\n\n" . wp_strip_all_tags($post->post_content);
2584 +
2585 + // ADD ACF FIELDS SUPPORT
2586 + $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
2587 + if (!empty($acf_fields)) {
2588 + $acf_content_parts = array();
2589 +
2590 + foreach ($acf_fields as $field_name => $field_value) {
2591 + $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
2592 +
2593 + if (!empty($formatted_value)) {
2594 + $field_label = ucwords(str_replace('_', ' ', $field_name));
2595 + $acf_content_parts[] = $field_label . ": " . $formatted_value;
2596 + }
2597 + }
2598 +
2599 + if (!empty($acf_content_parts)) {
2600 + $content .= "\n\n" . implode("\n", $acf_content_parts);
2601 + }
2602 + }
2603 +
2604 + $content = substr($content, 0, 10000); // Limit content size
2605 +
2606 + // UPDATED: Get bot-specific API key
2607 + $bot_options = $this->get_bot_options($bot_id);
2608 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
2609 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
2610 +
2611 + if (strpos($selected_model, 'voyage') === 0) {
2612 + $api_key = $options['voyage_api_key'] ?? '';
2613 + $provider_name = 'Voyage AI';
2614 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
2615 + $api_key = $options['gemini_api_key'] ?? '';
2616 + $provider_name = 'Google Gemini';
2617 + } else {
2618 + $api_key = $options['api_key'] ?? '';
2619 + $provider_name = 'OpenAI';
2620 + }
2621 +
2622 + if (empty($api_key)) {
2623 + wp_send_json_error($provider_name . ' API key not configured');
2624 + exit;
2625 + }
2626 +
2627 + $source_url = get_permalink($post_id);
2628 + $vector_id = md5($source_url); // Vector ID for Pinecone
2629 +
2630 + // UPDATED: Check for existing content in bot-specific storage
2631 + $is_update = false;
2632 +
2633 + // Get bot-specific Pinecone configuration
2634 + $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
2635 + $use_pinecone = !empty($bot_pinecone_config) && ($bot_pinecone_config['use_pinecone'] ?? false);
2636 +
2637 + if ($use_pinecone && !empty($bot_pinecone_config['api_key'])) {
2638 + // Check Pinecone for this bot
2639 + $pinecone_data = $this->mxchat_get_pinecone_processed_content($bot_pinecone_config);
2640 + if (isset($pinecone_data[$post_id])) {
2641 + $is_update = true;
2642 + }
2643 + } else {
2644 + // Check WordPress DB (same as before since it's shared)
2645 + global $wpdb;
2646 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2647 + $existing_record = $wpdb->get_row($wpdb->prepare(
2648 + "SELECT id FROM $table_name WHERE source_url = %s",
2649 + $source_url
2650 + ));
2651 +
2652 + if ($existing_record) {
2653 + $is_update = true;
2654 + }
2655 + }
2656 +
2657 + // UPDATED: Use the centralized utility function with bot_id
2658 + $result = MxChat_Utils::submit_content_to_db(
2659 + $content,
2660 + $source_url,
2661 + $api_key,
2662 + $vector_id,
2663 + $bot_id
2664 + );
2665 +
2666 + if (is_wp_error($result)) {
2667 + wp_send_json_error('Storage failed: ' . $result->get_error_message());
2668 + exit;
2669 + }
2670 +
2671 + $operation_type = $is_update ? 'update' : 'new';
2672 +
2673 + // Count ACF fields for debugging
2674 + $acf_field_count = count($acf_fields);
2675 +
2676 + // Success response with minimal data
2677 + wp_send_json_success(array(
2678 + 'message' => $operation_type === 'update' ? 'Content updated successfully' : 'Content processed successfully',
2679 + 'post_id' => $post_id,
2680 + 'title' => $post->post_title,
2681 + 'operation_type' => $operation_type,
2682 + 'vector_id' => $vector_id,
2683 + 'acf_fields_found' => $acf_field_count,
2684 + 'content_preview' => substr($content, 0, 100) . '...',
2685 + 'bot_id' => $bot_id
2686 + ));
2687 + exit;
2688 +}
2689 +
2690 +public function mxchat_get_public_post_types() {
2691 + // Get all public post types
2692 + $post_types = get_post_types(array('public' => true), 'objects');
2693 + $post_type_options = array();
2694 +
2695 + foreach ($post_types as $post_type) {
2696 + $post_type_options[$post_type->name] = $post_type->label;
2697 + }
2698 +
2699 + // Also include common forum/community post types that might not be marked as public
2700 + $additional_types = array(
2701 + 'topic' => 'Forum Topics (bbPress)',
2702 + 'reply' => 'Forum Replies (bbPress)',
2703 + 'forum' => 'Forums (bbPress)',
2704 + 'wpforo_topic' => 'wpForo Topics',
2705 + 'wpforo_post' => 'wpForo Posts'
2706 + );
2707 +
2708 + foreach ($additional_types as $type_name => $type_label) {
2709 + if (post_type_exists($type_name) && !isset($post_type_options[$type_name])) {
2710 + $post_type_options[$type_name] = $type_label;
2711 + }
2712 + }
2713 +
2714 + return $post_type_options;
2715 +}
2716 +
2717 +/**
2718 + * Retrieves processed content from Pinecone API
2719 + */
2720 +public function mxchat_get_pinecone_processed_content($pinecone_options) {
2721 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2722 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2723 +
2724 + if (empty($api_key) || empty($host)) {
2725 + return array();
2726 + }
2727 +
2728 + $pinecone_data = array();
2729 +
2730 + try {
2731 + // Always get fresh data from Pinecone
2732 + $pinecone_data = $this->mxchat_scan_pinecone_for_processed_content($pinecone_options);
2733 +
2734 + // Method 2: Final fallback - try stats endpoint (if available)
2735 + if (empty($pinecone_data)) {
2736 + $stats_url = "https://{$host}/describe_index_stats";
2737 +
2738 + $response = wp_remote_post($stats_url, array(
2739 + 'headers' => array(
2740 + 'Api-Key' => $api_key,
2741 + 'Content-Type' => 'application/json'
2742 + ),
2743 + 'body' => json_encode(array()),
2744 + 'timeout' => 30
2745 + ));
2746 +
2747 + if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
2748 + $body = wp_remote_retrieve_body($response);
2749 + $stats_data = json_decode($body, true);
2750 + }
2751 + }
2752 +
2753 + } catch (Exception $e) {
2754 + // Log error but return fresh data only
2755 + }
2756 +
2757 + return $pinecone_data;
2758 +}
2759 +public function mxchat_fetch_pinecone_vectors_by_ids($pinecone_options, $vector_ids) {
2760 + //error_log('=== DEBUG: Starting mxchat_fetch_pinecone_vectors_by_ids ===');
2761 +
2762 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2763 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2764 +
2765 + if (empty($api_key) || empty($host) || empty($vector_ids)) {
2766 + //error_log('DEBUG: Missing parameters for fetch by IDs');
2767 + return array();
2768 + }
2769 +
2770 + try {
2771 + $fetch_url = "https://{$host}/vectors/fetch";
2772 + //error_log('DEBUG: Fetch URL: ' . $fetch_url);
2773 + //error_log('DEBUG: Fetching ' . count($vector_ids) . ' vector IDs');
2774 +
2775 + // Pinecone fetch API allows fetching specific vectors by ID
2776 + $fetch_data = array(
2777 + 'ids' => array_values($vector_ids)
2778 + );
2779 +
2780 + $response = wp_remote_post($fetch_url, array(
2781 + 'headers' => array(
2782 + 'Api-Key' => $api_key,
2783 + 'Content-Type' => 'application/json'
2784 + ),
2785 + 'body' => json_encode($fetch_data),
2786 + 'timeout' => 30
2787 + ));
2788 +
2789 + if (is_wp_error($response)) {
2790 + //error_log('DEBUG: Fetch by IDs WP error: ' . $response->get_error_message());
2791 + return array();
2792 + }
2793 +
2794 + $response_code = wp_remote_retrieve_response_code($response);
2795 + //error_log('DEBUG: Fetch response code: ' . $response_code);
2796 +
2797 + if ($response_code !== 200) {
2798 + $error_body = wp_remote_retrieve_body($response);
2799 + //error_log('DEBUG: Fetch failed with body: ' . $error_body);
2800 + return array();
2801 + }
2802 +
2803 + $body = wp_remote_retrieve_body($response);
2804 + $data = json_decode($body, true);
2805 +
2806 + //error_log('DEBUG: Fetch response structure: ' . print_r(array_keys($data), true));
2807 +
2808 + if (!isset($data['vectors'])) {
2809 + //error_log('DEBUG: No vectors key in response');
2810 + return array();
2811 + }
2812 +
2813 + $processed_data = array();
2814 +
2815 + foreach ($data['vectors'] as $vector_id => $vector_data) {
2816 + $metadata = $vector_data['metadata'] ?? array();
2817 + $source_url = $metadata['source_url'] ?? '';
2818 +
2819 + if (!empty($source_url)) {
2820 + $post_id = url_to_postid($source_url);
2821 + if ($post_id) {
2822 + $created_at = $metadata['created_at'] ?? '';
2823 + $processed_date = 'Recently';
2824 +
2825 + if (!empty($created_at)) {
2826 + $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
2827 + if ($timestamp) {
2828 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
2829 + }
2830 + }
2831 +
2832 + $processed_data[$post_id] = array(
2833 + 'db_id' => $vector_id,
2834 + 'processed_date' => $processed_date,
2835 + 'url' => $source_url,
2836 + 'source' => 'pinecone',
2837 + 'timestamp' => $timestamp ?? current_time('timestamp')
2838 + );
2839 + }
2840 + }
2841 + }
2842 +
2843 + //error_log('DEBUG: Processed ' . count($processed_data) . ' vectors from fetch');
2844 + return $processed_data;
2845 +
2846 + } catch (Exception $e) {
2847 + //error_log('DEBUG: Exception in fetch_pinecone_vectors_by_ids: ' . $e->getMessage());
2848 + return array();
2849 + }
2850 +}
2851 +
2852 +/**
2853 + * Scan Pinecone for processed content
2854 + */
2855 +public function mxchat_scan_pinecone_for_processed_content($pinecone_options) {
2856 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2857 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2858 +
2859 + if (empty($api_key) || empty($host)) {
2860 + return array();
2861 + }
2862 +
2863 + try {
2864 + // Use multiple random vectors to get better coverage
2865 + $all_matches = array();
2866 + $seen_ids = array();
2867 +
2868 + // Try 3 different random vectors to get better coverage
2869 + for ($i = 0; $i < 3; $i++) {
2870 + $query_url = "https://{$host}/query";
2871 +
2872 + // Generate a random unit vector instead of zeros
2873 + $random_vector = array();
2874 + for ($j = 0; $j < 1536; $j++) {
2875 + $random_vector[] = (rand(-1000, 1000) / 1000.0);
2876 + }
2877 +
2878 + // Normalize the vector to unit length
2879 + $magnitude = sqrt(array_sum(array_map(function($x) { return $x * $x; }, $random_vector)));
2880 + if ($magnitude > 0) {
2881 + $random_vector = array_map(function($x) use ($magnitude) { return $x / $magnitude; }, $random_vector);
2882 + }
2883 +
2884 + $query_data = array(
2885 + 'includeMetadata' => true,
2886 + 'includeValues' => false,
2887 + 'topK' => 10000,
2888 + 'vector' => $random_vector
2889 + );
2890 +
2891 + $response = wp_remote_post($query_url, array(
2892 + 'headers' => array(
2893 + 'Api-Key' => $api_key,
2894 + 'Content-Type' => 'application/json'
2895 + ),
2896 + 'body' => json_encode($query_data),
2897 + 'timeout' => 30
2898 + ));
2899 +
2900 + if (is_wp_error($response)) {
2901 + continue;
2902 + }
2903 +
2904 + $response_code = wp_remote_retrieve_response_code($response);
2905 +
2906 + if ($response_code !== 200) {
2907 + continue;
2908 + }
2909 +
2910 + $body = wp_remote_retrieve_body($response);
2911 + $data = json_decode($body, true);
2912 +
2913 + if (isset($data['matches'])) {
2914 + foreach ($data['matches'] as $match) {
2915 + $match_id = $match['id'] ?? '';
2916 + if (!empty($match_id) && !isset($seen_ids[$match_id])) {
2917 + $all_matches[] = $match;
2918 + $seen_ids[$match_id] = true;
2919 + }
2920 + }
2921 + }
2922 + }
2923 +
2924 + // Convert matches to processed data format
2925 + $processed_data = array();
2926 +
2927 + foreach ($all_matches as $match) {
2928 + $metadata = $match['metadata'] ?? array();
2929 + $source_url = $metadata['source_url'] ?? '';
2930 + $match_id = $match['id'] ?? '';
2931 +
2932 + if (!empty($source_url) && !empty($match_id)) {
2933 + $post_id = url_to_postid($source_url);
2934 + if ($post_id) {
2935 + $created_at = $metadata['created_at'] ?? '';
2936 + $processed_date = 'Recently';
2937 +
2938 + if (!empty($created_at)) {
2939 + $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
2940 + if ($timestamp) {
2941 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
2942 + }
2943 + }
2944 +
2945 + $processed_data[$post_id] = array(
2946 + 'db_id' => $match_id,
2947 + 'processed_date' => $processed_date,
2948 + 'url' => $source_url,
2949 + 'source' => 'pinecone',
2950 + 'timestamp' => $timestamp ?? current_time('timestamp')
2951 + );
2952 + }
2953 + }
2954 + }
2955 +
2956 + return $processed_data;
2957 +
2958 + } catch (Exception $e) {
2959 + return array();
2960 + }
2961 +}
2962 +/**
2963 + * UPDATED: Generate embeddings from input text for MXChat with bot support
2964 + */
2965 +private function mxchat_generate_embedding($text, $bot_id = 'default') {
2966 + // Enable detailed logging for debugging
2967 + //error_log('[MXCHAT-EMBED] Starting embedding generation for bot: ' . $bot_id . '. Text length: ' . strlen($text) . ' bytes');
2968 + //error_log('[MXCHAT-EMBED] Text preview: ' . substr($text, 0, 100) . '...');
2969 +
2970 + // UPDATED: Get bot-specific options
2971 + $bot_options = $this->get_bot_options($bot_id);
2972 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
2973 +
2974 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
2975 + //error_log('[MXCHAT-EMBED] Selected embedding model for bot ' . $bot_id . ': ' . $selected_model);
2976 +
2977 + // Determine provider and endpoint
2978 + if (strpos($selected_model, 'voyage') === 0) {
2979 + $api_key = $options['voyage_api_key'] ?? '';
2980 + $endpoint = 'https://api.voyageai.com/v1/embeddings';
2981 + $provider_name = 'Voyage AI';
2982 + //error_log('[MXCHAT-EMBED] Using Voyage AI API for bot ' . $bot_id);
2983 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
2984 + $api_key = $options['gemini_api_key'] ?? '';
2985 + $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
2986 + $provider_name = 'Google Gemini';
2987 + //error_log('[MXCHAT-EMBED] Using Google Gemini API for bot ' . $bot_id);
2988 + } else {
2989 + $api_key = $options['api_key'] ?? '';
2990 + $endpoint = 'https://api.openai.com/v1/embeddings';
2991 + $provider_name = 'OpenAI';
2992 + //error_log('[MXCHAT-EMBED] Using OpenAI API for bot ' . $bot_id);
2993 + }
2994 +
2995 + //error_log('[MXCHAT-EMBED] Using endpoint: ' . $endpoint);
2996 +
2997 + if (empty($api_key)) {
2998 + $error_message = sprintf('Missing %s API key for bot %s. Please configure your API key in the bot settings.', $provider_name, $bot_id);
2999 + //error_log('[MXCHAT-EMBED] Error: ' . $error_message);
3000 + return $error_message;
3001 + }
3002 +
3003 + // Check if text is too long (for OpenAI, roughly estimate tokens as words/0.75)
3004 + $estimated_tokens = ceil(str_word_count($text) / 0.75);
3005 + //error_log('[MXCHAT-EMBED] Estimated token count: ~' . $estimated_tokens);
3006 +
3007 + if ($estimated_tokens > 8000 && strpos($selected_model, 'voyage') === false && strpos($selected_model, 'gemini-embedding') === false) {
3008 + //error_log('[MXCHAT-EMBED] Warning: Text may exceed OpenAI token limits (8K for most models)');
3009 + // Consider truncating text here
3010 + }
3011 +
3012 + // Prepare request body based on provider
3013 + if (strpos($selected_model, 'gemini-embedding') === 0) {
3014 + // Gemini API format
3015 + $request_body = array(
3016 + 'model' => 'models/' . $selected_model,
3017 + 'content' => array(
3018 + 'parts' => array(
3019 + array('text' => $text)
3020 + )
3021 + )
3022 + );
3023 +
3024 + // Set output dimensionality to 1536 for consistency with other models
3025 + $request_body['outputDimensionality'] = 1536;
3026 + } else {
3027 + // OpenAI/Voyage API format
3028 + $request_body = array(
3029 + 'model' => $selected_model,
3030 + 'input' => $text
3031 + );
3032 +
3033 + // Add output_dimension for voyage-3-large model
3034 + if ($selected_model === 'voyage-3-large') {
3035 + $request_body['output_dimension'] = 2048;
3036 + }
3037 + }
3038 +
3039 + //error_log('[MXCHAT-EMBED] Request prepared with model: ' . $selected_model);
3040 +
3041 + // Prepare headers based on provider
3042 + if (strpos($selected_model, 'gemini-embedding') === 0) {
3043 + // Gemini uses API key as query parameter
3044 + $endpoint .= '?key=' . $api_key;
3045 + $headers = array(
3046 + 'Content-Type' => 'application/json'
3047 + );
3048 + } else {
3049 + // OpenAI/Voyage use Bearer token
3050 + $headers = array(
3051 + 'Authorization' => 'Bearer ' . $api_key,
3052 + 'Content-Type' => 'application/json'
3053 + );
3054 + }
3055 +
3056 + // Make API request
3057 + //error_log('[MXCHAT-EMBED] Sending API request to: ' . $endpoint);
3058 + $response = wp_remote_post($endpoint, array(
3059 + 'body' => wp_json_encode($request_body),
3060 + 'headers' => $headers,
3061 + 'timeout' => 60 // Increased timeout for large inputs
3062 + ));
3063 +
3064 + // Handle wp_remote_post errors
3065 + if (is_wp_error($response)) {
3066 + $error_message = $response->get_error_message();
3067 + //error_log('[MXCHAT-EMBED] WP Remote Post Error: ' . $error_message);
3068 + return 'Connection error: ' . $error_message;
3069 + }
3070 +
3071 + // Get and check HTTP response code
3072 + $http_code = wp_remote_retrieve_response_code($response);
3073 + //error_log('[MXCHAT-EMBED] API Response Code: ' . $http_code);
3074 +
3075 + if ($http_code !== 200) {
3076 + $error_body = wp_remote_retrieve_body($response);
3077 + //error_log('[MXCHAT-EMBED] API Error Response Body: ' . $error_body);
3078 +
3079 + // Try to parse error for more details
3080 + $error_json = json_decode($error_body, true);
3081 + if (json_last_error() === JSON_ERROR_NONE && isset($error_json['error'])) {
3082 + $error_type = $error_json['error']['type'] ?? 'unknown';
3083 + $error_message = $error_json['error']['message'] ?? 'No message';
3084 + //error_log('[MXCHAT-EMBED] API Error Type: ' . $error_type);
3085 + //error_log('[MXCHAT-EMBED] API Error Message: ' . $error_message);
3086 +
3087 + // Customize error message for common API errors
3088 + if ($error_type === 'invalid_request_error' && strpos($error_message, 'API key') !== false) {
3089 + $error_message = sprintf('Invalid %s API key for bot %s. Please check your API key in the bot settings.', $provider_name, $bot_id);
3090 + } elseif ($error_type === 'authentication_error') {
3091 + $error_message = sprintf('%s authentication failed for bot %s. Please verify your API key in the bot settings.', $provider_name, $bot_id);
3092 + }
3093 +
3094 + //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
3095 + return $error_message;
3096 + }
3097 +
3098 + $error_message = sprintf("API Error (HTTP %d): Unable to generate embedding for bot %s", $http_code, $bot_id);
3099 + //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
3100 + return $error_message;
3101 + }
3102 +
3103 + // Parse response body
3104 + $response_body = wp_remote_retrieve_body($response);
3105 + //error_log('[MXCHAT-EMBED] Received response length: ' . strlen($response_body) . ' bytes');
3106 +
3107 + $response_data = json_decode($response_body, true);
3108 +
3109 + if (json_last_error() !== JSON_ERROR_NONE) {
3110 + $error = json_last_error_msg();
3111 + //error_log('[MXCHAT-EMBED] JSON Parse Error: ' . $error);
3112 + //error_log('[MXCHAT-EMBED] Response preview: ' . substr($response_body, 0, 200));
3113 + return "Failed to parse API response: $error";
3114 + }
3115 +
3116 + // Handle different response formats based on provider
3117 + if (strpos($selected_model, 'gemini-embedding') === 0) {
3118 + // Gemini API response format
3119 + if (isset($response_data['embedding']['values'])) {
3120 + $embedding_dimensions = count($response_data['embedding']['values']);
3121 + //error_log('[MXCHAT-EMBED] Successfully extracted Gemini embedding with ' . $embedding_dimensions . ' dimensions');
3122 +
3123 + // Check if embedding dimensions are as expected (should be 1536)
3124 + if ($embedding_dimensions !== 1536) {
3125 + //error_log('[MXCHAT-EMBED] Warning: Unexpected Gemini embedding dimensions: ' . $embedding_dimensions);
3126 + }
3127 +
3128 + return $response_data['embedding']['values'];
3129 + } else {
3130 + //error_log('[MXCHAT-EMBED] Error: No embedding found in Gemini response');
3131 + //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
3132 +
3133 + if (isset($response_data['error'])) {
3134 + $error_message = "Gemini API Error in response: " . wp_json_encode($response_data['error']);
3135 + //error_log('[MXCHAT-EMBED] ' . $error_message);
3136 + return $error_message;
3137 + }
3138 +
3139 + $error_message = "Invalid Gemini API response format: No embedding found";
3140 + //error_log('[MXCHAT-EMBED] ' . $error_message);
3141 + return $error_message;
3142 + }
3143 + } else {
3144 + // OpenAI/Voyage API response format
3145 + if (isset($response_data['data'][0]['embedding'])) {
3146 + $embedding_dimensions = count($response_data['data'][0]['embedding']);
3147 + //error_log('[MXCHAT-EMBED] Successfully extracted embedding with ' . $embedding_dimensions . ' dimensions');
3148 +
3149 + // Check if embedding dimensions are as expected
3150 + if (($selected_model === 'text-embedding-ada-002' && $embedding_dimensions !== 1536) ||
3151 + ($selected_model === 'voyage-3-large' && $embedding_dimensions !== 2048)) {
3152 + //error_log('[MXCHAT-EMBED] Warning: Unexpected embedding dimensions');
3153 + }
3154 +
3155 + return $response_data['data'][0]['embedding'];
3156 + } else {
3157 + //error_log('[MXCHAT-EMBED] Error: No embedding found in response');
3158 + //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
3159 +
3160 + if (isset($response_data['error'])) {
3161 + $error_message = "API Error in response: " . wp_json_encode($response_data['error']);
3162 + //error_log('[MXCHAT-EMBED] ' . $error_message);
3163 + return $error_message;
3164 + }
3165 +
3166 + $error_message = "Invalid API response format: No embedding found";
3167 + //error_log('[MXCHAT-EMBED] ' . $error_message);
3168 + return $error_message;
3169 + }
3170 + }
3171 +}
3172 +
3173 +/**
3174 + * Get bot-specific options for multi-bot functionality
3175 + * Falls back to default options if bot_id is 'default' or multi-bot add-on is not active
3176 + */
3177 +private function get_bot_options($bot_id = 'default') {
3178 + //error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id);
3179 +
3180 + if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
3181 + //error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')");
3182 + return array();
3183 + }
3184 +
3185 + $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
3186 +
3187 + if (!empty($bot_options)) {
3188 + //error_log("MXCHAT DEBUG: Got bot-specific options from filter");
3189 + if (isset($bot_options['similarity_threshold'])) {
3190 + //error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']);
3191 + }
3192 + }
3193 +
3194 + return is_array($bot_options) ? $bot_options : array();
3195 +}
3196 +
3197 +/**
3198 + * Get bot-specific Pinecone configuration
3199 + * Used in the knowledge retrieval functions
3200 + */
3201 +// Also add debugging to your get_bot_pinecone_config function
3202 +private function get_bot_pinecone_config($bot_id = 'default') {
3203 + //error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id);
3204 +
3205 + // If default bot or multi-bot add-on not active, use default Pinecone config
3206 + if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
3207 + //error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')");
3208 + $addon_options = get_option('mxchat_pinecone_addon_options', array());
3209 + $config = array(
3210 + 'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'),
3211 + 'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '',
3212 + 'host' => $addon_options['mxchat_pinecone_host'] ?? '',
3213 + 'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? ''
3214 + );
3215 + //error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false'));
3216 + return $config;
3217 + }
3218 +
3219 + //error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id);
3220 +
3221 + // Hook for multi-bot add-on to provide bot-specific Pinecone config
3222 + $bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
3223 +
3224 + if (!empty($bot_pinecone_config)) {
3225 + //error_log("MXCHAT DEBUG: Got bot-specific config from filter");
3226 + //error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set'));
3227 + //error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set'));
3228 + //error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set'));
3229 + } else {
3230 + //error_log("MXCHAT DEBUG: Filter returned empty config!");
3231 + }
3232 +
3233 + return is_array($bot_pinecone_config) ? $bot_pinecone_config : array();
3234 +}
3235 +
3236 +
3237 +public function mxchat_ajax_dismiss_completed_status() {
3238 + try {
3239 + // Verify the request
3240 + check_ajax_referer('mxchat_status_nonce', 'nonce');
3241 +
3242 + if (!current_user_can('manage_options')) {
3243 + wp_send_json_error('Unauthorized access');
3244 + exit;
3245 + }
3246 +
3247 + $card_type = isset($_POST['card_type']) ? sanitize_text_field($_POST['card_type']) : '';
3248 +
3249 + if ($card_type === 'pdf') {
3250 + // Clear PDF status
3251 + $pdf_url = get_transient('mxchat_last_pdf_url');
3252 + if ($pdf_url) {
3253 + delete_transient('mxchat_pdf_status_' . md5($pdf_url));
3254 + delete_transient('mxchat_last_pdf_url');
3255 + }
3256 + } elseif ($card_type === 'sitemap') {
3257 + // Clear sitemap status
3258 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
3259 + if ($sitemap_url) {
3260 + delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
3261 + delete_transient('mxchat_last_sitemap_url');
3262 + }
3263 + }
3264 +
3265 + wp_send_json_success(array('message' => 'Status dismissed successfully'));
3266 +
3267 + } catch (Exception $e) {
3268 + wp_send_json_error(array('message' => 'Error dismissing status: ' . $e->getMessage()));
3269 + }
3270 +}
3271 +
3272 +/**
3273 + * Render completed status cards on page load
3274 + * This ensures completed processing status persists through page refreshes
3275 + */
3276 +public function mxchat_render_completed_status_cards() {
3277 + $output = '';
3278 +
3279 + // Check for completed PDF status
3280 + $pdf_url = get_transient('mxchat_last_pdf_url');
3281 + if ($pdf_url) {
3282 + $pdf_status = $this->mxchat_get_pdf_processing_status($pdf_url);
3283 + if ($pdf_status && ($pdf_status['status'] === 'complete' || $pdf_status['status'] === 'error')) {
3284 + $output .= $this->mxchat_render_pdf_status_card($pdf_status, $pdf_url);
3285 + }
3286 + }
3287 +
3288 + // Check for completed sitemap status
3289 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
3290 + if ($sitemap_url) {
3291 + $sitemap_status = $this->mxchat_get_sitemap_processing_status($sitemap_url);
3292 + if ($sitemap_status && ($sitemap_status['status'] === 'complete' || $sitemap_status['status'] === 'error')) {
3293 + $output .= $this->mxchat_render_sitemap_status_card($sitemap_status, $sitemap_url);
3294 + }
3295 + }
3296 +
3297 + return $output;
3298 +}
3299 +
3300 +/**
3301 + * Render PDF status card HTML
3302 + */
3303 +private function mxchat_render_pdf_status_card($status, $pdf_url) {
3304 + $html = '<div class="mxchat-status-card" data-card-type="pdf">';
3305 + $html .= '<div class="mxchat-status-header">';
3306 + $html .= '<h4>' . esc_html__('PDF Processing Status', 'mxchat') . '</h4>';
3307 +
3308 + // Add dismiss button for completed status
3309 + if ($status['status'] === 'complete' || $status['status'] === 'error') {
3310 + $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
3311 + }
3312 +
3313 + // Process Batch button for processing status
3314 + if ($status['status'] === 'processing') {
3315 + $html .= '<button type="button" class="mxchat-manual-batch-btn"
3316 + data-process-type="pdf"
3317 + data-url="' . esc_attr($pdf_url) . '">
3318 + ' . esc_html__('Process Batch', 'mxchat') . '</button>';
3319 + }
3320 +
3321 + // Add status badges
3322 + if ($status['status'] === 'error') {
3323 + $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
3324 + } elseif ($status['status'] === 'complete') {
3325 + if ($status['failed_pages'] > 0) {
3326 + $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
3327 + sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_pages']) . '</span>';
3328 + } else {
3329 + $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
3330 + }
3331 + }
3332 +
3333 + $html .= '</div>'; // End header
3334 +
3335 + // Progress bar
3336 + $html .= '<div class="mxchat-progress-bar">';
3337 + $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
3338 + $html .= '</div>';
3339 +
3340 + // Status details
3341 + $html .= '<div class="mxchat-status-details">';
3342 + $html .= '<p>' . sprintf(
3343 + esc_html__('Progress: %d of %d pages (%d%%)', 'mxchat'),
3344 + $status['processed_pages'],
3345 + $status['total_pages'],
3346 + $status['percentage']
3347 + ) . '</p>';
3348 +
3349 + // Show failed pages count if any
3350 + if ($status['failed_pages'] > 0) {
3351 + $html .= '<p><strong>' . esc_html__('Failed pages:', 'mxchat') . '</strong> ' . esc_html($status['failed_pages']) . '</p>';
3352 + }
3353 +
3354 + $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
3355 + $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
3356 +
3357 + // Add completion summary if available AND it's an array
3358 + if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
3359 + $summary = $status['completion_summary'];
3360 + $html .= '<div class="mxchat-completion-summary">';
3361 + $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
3362 + $html .= '<p><strong>' . esc_html__('Total Pages:', 'mxchat') . '</strong> ' . esc_html($summary['total_pages']) . '</p>';
3363 + $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_pages']) . '</p>';
3364 + $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_pages']) . '</p>';
3365 + $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
3366 + $html .= '</div>';
3367 + }
3368 +
3369 + // Add failed pages list if any AND it's an array
3370 + if (isset($status['failed_pages_list']) && is_array($status['failed_pages_list']) && !empty($status['failed_pages_list'])) {
3371 + $html .= $this->mxchat_render_failed_pages_list($status['failed_pages_list']);
3372 + }
3373 +
3374 + // Add error message if any
3375 + if (isset($status['error']) && !empty($status['error'])) {
3376 + $html .= '<div class="mxchat-error-notice">';
3377 + $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
3378 + $html .= '</div>';
3379 + }
3380 +
3381 + $html .= '</div>'; // End details
3382 + $html .= '</div>'; // End card
3383 +
3384 + return $html;
3385 +}
3386 +/**
3387 + * Render sitemap status card HTML
3388 + */
3389 +private function mxchat_render_sitemap_status_card($status, $sitemap_url) {
3390 + $html = '<div class="mxchat-status-card" data-card-type="sitemap">';
3391 + $html .= '<div class="mxchat-status-header">';
3392 + $html .= '<h4>' . esc_html__('Sitemap Processing Status', 'mxchat') . '</h4>';
3393 +
3394 + // Add dismiss button for completed status
3395 + if ($status['status'] === 'complete' || $status['status'] === 'error') {
3396 + $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
3397 + }
3398 +
3399 + // Process Batch button for processing status
3400 + if ($status['status'] === 'processing') {
3401 + $html .= '<button type="button" class="mxchat-manual-batch-btn"
3402 + data-process-type="sitemap"
3403 + data-url="' . esc_attr($sitemap_url) . '">
3404 + ' . esc_html__('Process Batch', 'mxchat') . '</button>';
3405 + }
3406 +
3407 + // Add status badges
3408 + if ($status['status'] === 'error') {
3409 + $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
3410 + } elseif ($status['status'] === 'complete') {
3411 + if ($status['failed_urls'] > 0) {
3412 + $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
3413 + sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_urls']) . '</span>';
3414 + } else {
3415 + $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
3416 + }
3417 + }
3418 +
3419 + $html .= '</div>'; // End header
3420 +
3421 + // Progress bar
3422 + $html .= '<div class="mxchat-progress-bar">';
3423 + $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
3424 + $html .= '</div>';
3425 +
3426 + // Status details
3427 + $html .= '<div class="mxchat-status-details">';
3428 + $html .= '<p>' . sprintf(
3429 + esc_html__('Progress: %d of %d URLs (%d%%)', 'mxchat'),
3430 + $status['processed_urls'],
3431 + $status['total_urls'],
3432 + $status['percentage']
3433 + ) . '</p>';
3434 +
3435 + // Show failed URLs count if any
3436 + if ($status['failed_urls'] > 0) {
3437 + $html .= '<p><strong>' . esc_html__('Failed URLs:', 'mxchat') . '</strong> ' . esc_html($status['failed_urls']) . '</p>';
3438 + }
3439 +
3440 + $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
3441 + $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
3442 +
3443 + // Add completion summary if available AND it's an array
3444 + if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
3445 + $summary = $status['completion_summary'];
3446 + $html .= '<div class="mxchat-completion-summary">';
3447 + $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
3448 + $html .= '<p><strong>' . esc_html__('Total URLs:', 'mxchat') . '</strong> ' . esc_html($summary['total_urls']) . '</p>';
3449 + $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_urls']) . '</p>';
3450 + $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_urls']) . '</p>';
3451 + $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
3452 + $html .= '</div>';
3453 + }
3454 +
3455 + // Add error messages if any (but not the failed URLs list)
3456 + if (!empty($status['error']) || !empty($status['last_error'])) {
3457 + $html .= '<div class="mxchat-error-notice">';
3458 +
3459 + if (!empty($status['error'])) {
3460 + $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
3461 + }
3462 +
3463 + if (!empty($status['last_error'])) {
3464 + $html .= '<p class="last-error">' . esc_html__('Last error:', 'mxchat') . ' ' . esc_html($status['last_error']) . '</p>';
3465 + }
3466 +
3467 + $html .= '</div>';
3468 + }
3469 +
3470 + $html .= '</div>'; // End details
3471 + $html .= '</div>'; // End card
3472 +
3473 + return $html;
3474 +}
3475 +
3476 +
3477 +/**
3478 + * Render failed pages list
3479 + */
3480 +private function mxchat_render_failed_pages_list($failed_pages_list) {
3481 + // Validate that $failed_pages_list is an array and not empty
3482 + if (!is_array($failed_pages_list) || empty($failed_pages_list)) {
3483 + return '';
3484 + }
3485 +
3486 + $html = '<div class="mxchat-error-notice">';
3487 + $html .= '<div class="mxchat-failed-pages-container">';
3488 + $html .= '<h5>' . sprintf(esc_html__('Failed Pages (%d)', 'mxchat'), count($failed_pages_list)) . '</h5>';
3489 + $html .= '<details>';
3490 + $html .= '<summary>' . esc_html__('Show Failed Pages', 'mxchat') . '</summary>';
3491 + $html .= '<div class="mxchat-failed-pages-list">';
3492 +
3493 + // Create table for failed pages
3494 + $html .= '<table class="widefat striped">';
3495 + $html .= '<thead><tr>';
3496 + $html .= '<th>' . esc_html__('Page', 'mxchat') . '</th>';
3497 + $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
3498 + $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
3499 + $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
3500 + $html .= '</tr></thead><tbody>';
3501 +
3502 + // Sort failed pages by most recent
3503 + $sorted_failed_pages = $failed_pages_list;
3504 + usort($sorted_failed_pages, function($a, $b) {
3505 + return ($b['time'] ?? 0) - ($a['time'] ?? 0);
3506 + });
3507 +
3508 + foreach ($sorted_failed_pages as $item) {
3509 + // Ensure $item is an array before accessing its elements
3510 + if (!is_array($item)) {
3511 + continue;
3512 + }
3513 +
3514 + $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
3515 + $html .= '<tr>';
3516 + $html .= '<td>' . esc_html__('Page', 'mxchat') . ' ' . esc_html($item['page'] ?? 'Unknown') . '</td>';
3517 + $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
3518 + $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
3519 + $html .= '<td>' . esc_html($time_ago) . '</td>';
3520 + $html .= '</tr>';
3521 + }
3522 +
3523 + $html .= '</tbody></table>';
3524 + $html .= '</div></details></div></div>';
3525 +
3526 + return $html;
3527 +}
3528 +
3529 +/**
3530 + * Render failed URLs list
3531 + */
3532 +private function mxchat_render_failed_urls_list($failed_urls_list) {
3533 + // Validate that $failed_urls_list is an array and not empty
3534 + if (!is_array($failed_urls_list) || empty($failed_urls_list)) {
3535 + return '';
3536 + }
3537 +
3538 + $html = '<div class="mxchat-failed-urls-container">';
3539 + $html .= '<h5>' . sprintf(esc_html__('Failed URLs (%d)', 'mxchat'), count($failed_urls_list)) . '</h5>';
3540 + $html .= '<details>';
3541 + $html .= '<summary>' . esc_html__('Show Failed URLs', 'mxchat') . '</summary>';
3542 + $html .= '<div class="mxchat-failed-urls-list">';
3543 +
3544 + // Create table for failed URLs
3545 + $html .= '<table class="widefat striped">';
3546 + $html .= '<thead><tr>';
3547 + $html .= '<th>' . esc_html__('URL', 'mxchat') . '</th>';
3548 + $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
3549 + $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
3550 + $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
3551 + $html .= '</tr></thead><tbody>';
3552 +
3553 + // Sort failed URLs by most recent
3554 + $sorted_failed_urls = $failed_urls_list;
3555 + usort($sorted_failed_urls, function($a, $b) {
3556 + return ($b['time'] ?? 0) - ($a['time'] ?? 0);
3557 + });
3558 +
3559 + // Show up to 50 failed URLs
3560 + $display_urls = array_slice($sorted_failed_urls, 0, 50);
3561 +
3562 + foreach ($display_urls as $item) {
3563 + // Ensure $item is an array before accessing its elements
3564 + if (!is_array($item)) {
3565 + continue;
3566 + }
3567 +
3568 + $url = $item['url'] ?? '';
3569 + $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
3570 +
3571 + // Truncate URL for display
3572 + $display_url = strlen($url) > 50 ? substr($url, 0, 47) . '...' : $url;
3573 +
3574 + $html .= '<tr>';
3575 + $html .= '<td style="word-break: break-all;">';
3576 + if (!empty($url)) {
3577 + $html .= '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($display_url) . '</a>';
3578 + } else {
3579 + $html .= esc_html__('Unknown URL', 'mxchat');
3580 + }
3581 + $html .= '</td>';
3582 + $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
3583 + $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
3584 + $html .= '<td>' . esc_html($time_ago) . '</td>';
3585 + $html .= '</tr>';
3586 + }
3587 +
3588 + $html .= '</tbody></table>';
3589 +
3590 + if (count($failed_urls_list) > 50) {
3591 + $html .= '<div class="mxchat-failed-urls-more">+ ' .
3592 + (count($failed_urls_list) - 50) .
3593 + ' ' . esc_html__('more failed URLs not shown', 'mxchat') . '</div>';
3594 + }
3595 +
3596 + $html .= '</div></details></div>';
3597 +
3598 + return $html;
3599 +}
3600 +
3601 +/**
3602 + * Get all ACF fields for a specific post
3603 + */
3604 +public function mxchat_get_acf_fields_for_post($post_id) {
3605 + if (!function_exists('get_fields')) {
3606 + return array();
3607 + }
3608 +
3609 + $fields = get_fields($post_id);
3610 + if (!$fields || !is_array($fields)) {
3611 + return array();
3612 + }
3613 +
3614 + return $fields;
3615 +}
3616 +
3617 +/**
3618 + * Format ACF field values for content extraction
3619 + */
3620 +public function mxchat_format_acf_field_value($value, $field_name = '', $post_id = 0) {
3621 + if (empty($value)) {
3622 + return '';
3623 + }
3624 +
3625 + // Handle WP_Post objects first (THIS IS THE KEY FIX)
3626 + if ($value instanceof WP_Post) {
3627 + return $value->post_title ?: '';
3628 + }
3629 +
3630 + // Handle other WP objects
3631 + if (is_object($value)) {
3632 + if (isset($value->post_title)) {
3633 + return $value->post_title;
3634 + } elseif (isset($value->display_name)) {
3635 + return $value->display_name;
3636 + } elseif (isset($value->name)) {
3637 + return $value->name;
3638 + } elseif (method_exists($value, '__toString')) {
3639 + try {
3640 + return (string) $value;
3641 + } catch (Exception $e) {
3642 + return '';
3643 + }
3644 + }
3645 + // For any other objects, return empty string
3646 + return '';
3647 + }
3648 +
3649 + // Handle different ACF field types
3650 + if (is_array($value)) {
3651 + // Check if it's an image/file field
3652 + if (isset($value['url'])) {
3653 + // Image field - return alt text, title, or caption
3654 + if (!empty($value['alt'])) {
3655 + return $value['alt'];
3656 + } elseif (!empty($value['title'])) {
3657 + return $value['title'];
3658 + } elseif (!empty($value['caption'])) {
3659 + return $value['caption'];
3660 + } else {
3661 + return ''; // Don't include just the URL
3662 + }
3663 + }
3664 +
3665 + // Check if it's a post object or relationship field
3666 + if (isset($value['post_title'])) {
3667 + return $value['post_title'];
3668 + }
3669 +
3670 + // Check if it's a user field
3671 + if (isset($value['display_name'])) {
3672 + return $value['display_name'];
3673 + }
3674 +
3675 + // Check if it's a taxonomy term
3676 + if (isset($value['name']) && isset($value['taxonomy'])) {
3677 + return $value['name'];
3678 + }
3679 +
3680 + // Check if it's a select field with label
3681 + if (isset($value['label'])) {
3682 + return $value['label'];
3683 + }
3684 +
3685 + // Check for repeater field or flexible content
3686 + if (is_numeric(key($value))) {
3687 + $sub_values = array();
3688 + foreach ($value as $sub_item) {
3689 + if (is_array($sub_item)) {
3690 + // For repeater/flexible content, extract text values
3691 + $sub_text = $this->mxchat_extract_text_from_acf_array($sub_item);
3692 + if (!empty($sub_text)) {
3693 + $sub_values[] = $sub_text;
3694 + }
3695 + } elseif ($sub_item instanceof WP_Post) {
3696 + // Handle WP_Post objects in arrays
3697 + $sub_values[] = $sub_item->post_title ?: '';
3698 + } else {
3699 + $sub_values[] = (string) $sub_item;
3700 + }
3701 + }
3702 + return implode(', ', array_filter($sub_values));
3703 + }
3704 +
3705 + // For other arrays, try to extract meaningful text
3706 + $text_values = array();
3707 + foreach ($value as $key => $val) {
3708 + if (is_string($val) && !empty(trim($val))) {
3709 + $text_values[] = trim($val);
3710 + } elseif ($val instanceof WP_Post) {
3711 + // Handle WP_Post objects in associative arrays
3712 + $text_values[] = $val->post_title ?: '';
3713 + } elseif (is_array($val) && isset($val['post_title'])) {
3714 + $text_values[] = $val['post_title'];
3715 + } elseif (is_array($val) && isset($val['name'])) {
3716 + $text_values[] = $val['name'];
3717 + }
3718 + }
3719 +
3720 + return implode(', ', array_filter($text_values));
3721 + }
3722 +
3723 + // Handle boolean values
3724 + if (is_bool($value)) {
3725 + return $value ? 'Yes' : 'No';
3726 + }
3727 +
3728 + // Handle numeric values
3729 + if (is_numeric($value)) {
3730 + return (string) $value;
3731 + }
3732 +
3733 + // Handle string values
3734 + if (is_string($value)) {
3735 + return trim($value);
3736 + }
3737 +
3738 + // For anything else that we can't handle, return empty string
3739 + // This prevents the "Object could not be converted to string" error
3740 + return '';
3741 +}
3742 +
3743 +/**
3744 + * Extract text from complex ACF array structures
3745 + */
3746 +private function mxchat_extract_text_from_acf_array($array) {
3747 + if (!is_array($array)) {
3748 + return '';
3749 + }
3750 +
3751 + $text_parts = array();
3752 +
3753 + foreach ($array as $key => $value) {
3754 + if (is_string($value) && !empty(trim($value))) {
3755 + // Skip keys that are likely to be IDs or technical values
3756 + if (!is_numeric($value) || strlen($value) > 10) {
3757 + $text_parts[] = trim($value);
3758 + }
3759 + } elseif ($value instanceof WP_Post) {
3760 + // Handle WP_Post objects
3761 + $text_parts[] = $value->post_title ?: '';
3762 + } elseif (is_array($value)) {
3763 + if (isset($value['post_title'])) {
3764 + $text_parts[] = $value['post_title'];
3765 + } elseif (isset($value['name'])) {
3766 + $text_parts[] = $value['name'];
3767 + } elseif (isset($value['label'])) {
3768 + $text_parts[] = $value['label'];
3769 + }
3770 + } elseif (is_object($value)) {
3771 + // Handle other objects safely
3772 + if (isset($value->post_title)) {
3773 + $text_parts[] = $value->post_title;
3774 + } elseif (isset($value->name)) {
3775 + $text_parts[] = $value->name;
3776 + } elseif (isset($value->display_name)) {
3777 + $text_parts[] = $value->display_name;
3778 + }
3779 + }
3780 + }
3781 +
3782 + return implode(', ', array_filter($text_parts));
3783 +}
3784 +
3785 +public function mxchat_handle_post_update($post_id, $post, $update) {
3786 + // Basic validation checks
3787 + if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
3788 + return;
3789 + }
3790 +
3791 + $post_type = $post->post_type;
3792 +
3793 + // Check if sync is enabled for this post type
3794 + $should_sync = false;
3795 +
3796 + // Check built-in post types first
3797 + if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
3798 + $should_sync = true;
3799 + } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
3800 + $should_sync = true;
3801 + } else {
3802 + // Check custom post types
3803 + $option_name = 'mxchat_auto_sync_' . $post_type;
3804 + if (get_option($option_name) === '1') {
3805 + $should_sync = true;
3806 + }
3807 + }
3808 +
3809 + if (!$should_sync) {
3810 + return;
3811 + }
3812 +
3813 + // Check if we have stored the previous status and URL in our transients
3814 + $previous_status_key = 'mxchat_prev_status_' . $post_id;
3815 + $previous_status = get_transient($previous_status_key);
3816 +
3817 + $previous_url_key = 'mxchat_prev_url_' . $post_id;
3818 + $previous_url = get_transient($previous_url_key);
3819 +
3820 + // If the post was previously published but is now not published, remove from knowledge base
3821 + if ($previous_status === 'publish' && $post->post_status !== 'publish') {
3822 + // Use the stored URL from when it was published, or fall back to current permalink
3823 + $source_url = $previous_url ?: get_permalink($post_id);
3824 +
3825 + if ($source_url) {
3826 + // Check if Pinecone is enabled
3827 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3828 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3829 +
3830 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3831 + // Delete from Pinecone
3832 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
3833 + } else {
3834 + // Delete from WordPress DB
3835 + global $wpdb;
3836 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3837 +
3838 + $result = $wpdb->delete(
3839 + $table_name,
3840 + array('source_url' => $source_url),
3841 + array('%s')
3842 + );
3843 + }
3844 + }
3845 +
3846 + // Clean up the transients and exit early
3847 + delete_transient($previous_status_key);
3848 + delete_transient($previous_url_key);
3849 + return;
3850 + }
3851 +
3852 + // Store the current status for next time (if this is an update)
3853 + if ($update) {
3854 + set_transient($previous_status_key, $post->post_status, DAY_IN_SECONDS);
3855 +
3856 + // If the post is currently published, also store its URL
3857 + if ($post->post_status === 'publish') {
3858 + $current_url = get_permalink($post_id);
3859 + set_transient($previous_url_key, $current_url, DAY_IN_SECONDS);
3860 + }
3861 + }
3862 +
3863 + // Only process currently published content for adding/updating
3864 + if ($post->post_status === 'publish') {
3865 + // Get the source URL
3866 + $source_url = get_permalink($post_id);
3867 +
3868 + // Get content with proper formatting (matching ajax_mxchat_process_selected_content)
3869 + $title = get_the_title($post_id);
3870 + $content = get_post_field('post_content', $post_id);
3871 +
3872 + // Apply WordPress content filters to get properly formatted content
3873 + $content = apply_filters('the_content', $content);
3874 +
3875 + // Strip tags but preserve structure
3876 + $content = wp_strip_all_tags($content);
3877 +
3878 + // Combine title and content
3879 + $final_content = $title . "\n\n" . $content;
3880 +
3881 + // For custom post types like job_listing, include additional fields
3882 + if ($post_type === 'job_listing') {
3883 + // Add job-specific meta if available
3884 + $job_location = get_post_meta($post_id, '_job_location', true);
3885 + if (!empty($job_location)) {
3886 + $final_content .= "\n\nLocation: " . $job_location;
3887 + }
3888 +
3889 + // Get job type terms
3890 + $job_types = get_the_terms($post_id, 'job_listing_type');
3891 + if (!empty($job_types) && !is_wp_error($job_types)) {
3892 + $types = array();
3893 + foreach ($job_types as $type) {
3894 + $types[] = $type->name;
3895 + }
3896 + $final_content .= "\n\nJob Type: " . implode(', ', $types);
3897 + }
3898 +
3899 + // Get company name if available
3900 + $company_name = get_post_meta($post_id, '_company_name', true);
3901 + if (!empty($company_name)) {
3902 + $final_content .= "\n\nCompany: " . $company_name;
3903 + }
3904 + }
3905 +
3906 + // Get API key with proper model detection
3907 + $options = get_option('mxchat_options');
3908 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
3909 +
3910 + if (strpos($selected_model, 'voyage') === 0) {
3911 + $api_key = $options['voyage_api_key'] ?? '';
3912 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
3913 + $api_key = $options['gemini_api_key'] ?? '';
3914 + } else {
3915 + $api_key = $options['api_key'] ?? '';
3916 + }
3917 +
3918 + if (empty($api_key)) {
3919 + return;
3920 + }
3921 +
3922 + // Use the centralized utility function for storage
3923 + $result = MxChat_Utils::submit_content_to_db(
3924 + $final_content,
3925 + $source_url,
3926 + $api_key,
3927 + md5($source_url) // Vector ID for Pinecone
3928 + );
3929 + }
3930 +
3931 + // Clean up the stored previous status if not used above
3932 + if ($previous_status !== 'publish' || $post->post_status === 'publish') {
3933 + delete_transient($previous_status_key);
3934 + delete_transient($previous_url_key);
3935 + }
3936 +}
3937 +
3938 +/**
3939 + * Store the post status and URL before update to detect status transitions
3940 + * This runs before the post is actually updated in the database
3941 + */
3942 +public function mxchat_store_pre_update_status($post_id, $data) {
3943 + // Get the current post from database (before update)
3944 + $current_post = get_post($post_id);
3945 +
3946 + if ($current_post) {
3947 + // Store the current status temporarily
3948 + $status_key = 'mxchat_prev_status_' . $post_id;
3949 + set_transient($status_key, $current_post->post_status, HOUR_IN_SECONDS);
3950 +
3951 + // If the post is currently published, also store its URL
3952 + if ($current_post->post_status === 'publish') {
3953 + $url_key = 'mxchat_prev_url_' . $post_id;
3954 + $current_url = get_permalink($post_id);
3955 + set_transient($url_key, $current_url, HOUR_IN_SECONDS);
3956 + }
3957 + }
3958 +}
3959 +
3960 +public function mxchat_handle_post_delete($post_id) {
3961 + // Get post data before it's deleted
3962 + $post = get_post($post_id);
3963 +
3964 + // Basic validation
3965 + if (!$post || wp_is_post_revision($post_id)) {
3966 + return;
3967 + }
3968 +
3969 + $post_type = $post->post_type;
3970 +
3971 + // Check if sync is enabled for this post type
3972 + $should_sync = false;
3973 +
3974 + // Check built-in post types first
3975 + if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
3976 + $should_sync = true;
3977 + } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
3978 + $should_sync = true;
3979 + } else {
3980 + // Check custom post types
3981 + $option_name = 'mxchat_auto_sync_' . $post_type;
3982 + if (get_option($option_name) === '1') {
3983 + $should_sync = true;
3984 + }
3985 + }
3986 +
3987 + if (!$should_sync) {
3988 + return;
3989 + }
3990 +
3991 + // Get the URL before post is deleted
3992 + $source_url = get_permalink($post_id);
3993 + if (!$source_url) {
3994 + //error_log('MXChat: Failed to get permalink for post ' . $post_id);
3995 + return;
3996 + }
3997 +
3998 + // Check if Pinecone is enabled
3999 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4000 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4001 +
4002 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
4003 + // Delete from Pinecone
4004 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
4005 + } else {
4006 + // Delete from WordPress DB
4007 + global $wpdb;
4008 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4009 +
4010 + $result = $wpdb->delete(
4011 + $table_name,
4012 + array('source_url' => $source_url),
4013 + array('%s')
4014 + );
4015 +
4016 + if ($result === false) {
4017 + //error_log('MXChat: WordPress DB deletion failed for URL: ' . $source_url);
4018 + }
4019 + }
4020 +}
4021 +
4022 +
4023 + /**
4024 + * Deletes data from Pinecone using a source URL
4025 + */
4026 + public function mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options) {
4027 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4028 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4029 +
4030 + if (empty($host) || empty($api_key)) {
4031 + //error_log('MXChat: Pinecone deletion failed - missing configuration');
4032 + return false;
4033 + }
4034 +
4035 + $api_endpoint = "https://{$host}/vectors/delete";
4036 + $vector_id = md5($source_url);
4037 +
4038 + $request_body = array(
4039 + 'ids' => array($vector_id)
4040 + );
4041 +
4042 + $response = wp_remote_post($api_endpoint, array(
4043 + 'headers' => array(
4044 + 'Api-Key' => $api_key,
4045 + 'accept' => 'application/json',
4046 + 'content-type' => 'application/json'
4047 + ),
4048 + 'body' => wp_json_encode($request_body),
4049 + 'timeout' => 30
4050 + ));
4051 +
4052 + if (is_wp_error($response)) {
4053 + //error_log('MXChat: Pinecone deletion error - ' . $response->get_error_message());
4054 + return false;
4055 + }
4056 +
4057 + $response_code = wp_remote_retrieve_response_code($response);
4058 + if ($response_code !== 200) {
4059 + //error_log('MXChat: Pinecone deletion failed with status ' . $response_code);
4060 + return false;
4061 + }
4062 +
4063 + return true;
4064 + }
4065 +
4066 +
4067 +
4068 +public function mxchat_handle_product_change($post_id, $post, $update) {
4069 + if ($post->post_type !== 'product') {
4070 + return;
4071 + }
4072 +
4073 + if ($post->post_status === 'publish') {
4074 + add_action('shutdown', function() use ($post_id) {
4075 + $product = wc_get_product($post_id);
4076 + if ($product) {
4077 + $this->mxchat_store_product_embedding($product);
4078 + }
4079 + });
4080 + }
4081 +}
4082 +
4083 +/**
4084 + * Store WooCommerce product embeddings
4085 + */
4086 +private function mxchat_store_product_embedding($product) {
4087 + if (!isset($this->options['enable_woocommerce_integration']) ||
4088 + !in_array($this->options['enable_woocommerce_integration'], ['1', 'on'])) {
4089 + return;
4090 + }
4091 +
4092 + $source_url = get_permalink($product->get_id());
4093 +
4094 + // Build product content
4095 + $title = $product->get_name();
4096 + $description = $product->get_description();
4097 + $short_description = $product->get_short_description();
4098 + $regular_price = $product->get_regular_price();
4099 + $sale_price = $product->get_sale_price();
4100 + $sku = $product->get_sku();
4101 +
4102 + // Format content consistently
4103 + $content = $title . "\n\n";
4104 +
4105 + if (!empty($description)) {
4106 + $content .= wp_strip_all_tags($description) . "\n\n";
4107 + }
4108 +
4109 + if (!empty($short_description)) {
4110 + $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
4111 + }
4112 +
4113 + $content .= "Price: $" . $regular_price . "\n";
4114 +
4115 + if (!empty($sale_price)) {
4116 + $content .= "Sale Price: $" . $sale_price . "\n";
4117 + }
4118 +
4119 + if (!empty($sku)) {
4120 + $content .= "SKU: " . $sku . "\n";
4121 + }
4122 +
4123 + // Get API key with proper model detection
4124 + $options = get_option('mxchat_options');
4125 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4126 +
4127 + if (strpos($selected_model, 'voyage') === 0) {
4128 + $api_key = $options['voyage_api_key'] ?? '';
4129 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
4130 + $api_key = $options['gemini_api_key'] ?? '';
4131 + } else {
4132 + $api_key = $options['api_key'] ?? '';
4133 + }
4134 +
4135 + if (empty($api_key)) {
4136 + //error_log('MxChat Auto-sync: No API key configured for embedding model');
4137 + return;
4138 + }
4139 +
4140 + // Use the centralized utility function for storage
4141 + $result = MxChat_Utils::submit_content_to_db(
4142 + $content,
4143 + $source_url,
4144 + $api_key,
4145 + md5($source_url) // Vector ID for Pinecone
4146 + );
4147 +
4148 + if (is_wp_error($result)) {
4149 + //error_log('MxChat WooCommerce sync failed for product ' . $product->get_id() . ': ' . $result->get_error_message());
4150 + }
4151 +}
4152 +
4153 +public function mxchat_handle_product_delete($post_id) {
4154 + if (get_post_type($post_id) !== 'product') {
4155 + return;
4156 + }
4157 +
4158 + $source_url = get_permalink($post_id);
4159 +
4160 + // Check if Pinecone is enabled
4161 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4162 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4163 +
4164 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
4165 + // Delete from Pinecone
4166 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
4167 + } else {
4168 + // Delete from WordPress DB
4169 + global $wpdb;
4170 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4171 +
4172 + $wpdb->delete(
4173 + $table_name,
4174 + array('source_url' => $source_url),
4175 + array('%s')
4176 + );
4177 + }
4178 +}
4179 +
4180 +/**
4181 + * Handle individual Pinecone content deletion
4182 + */
4183 +public function mxchat_handle_pinecone_prompt_delete() {
4184 + // Check permissions
4185 + if (!current_user_can('manage_options')) {
4186 + wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
4187 + }
4188 +
4189 + // Verify nonce
4190 + if (!isset($_GET['_wpnonce']) || !wp_verify_nonce($_GET['_wpnonce'], 'mxchat_delete_pinecone_prompt_nonce')) {
4191 + wp_die(esc_html__('Security check failed.', 'mxchat'));
4192 + }
4193 +
4194 + $vector_id = isset($_GET['vector_id']) ? sanitize_text_field($_GET['vector_id']) : '';
4195 +
4196 + if (empty($vector_id)) {
4197 + set_transient('mxchat_admin_notice_error',
4198 + esc_html__('Invalid vector ID.', 'mxchat'),
4199 + 30
4200 + );
4201 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
4202 + exit;
4203 + }
4204 +
4205 + // Get Pinecone settings
4206 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4207 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4208 +
4209 + if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
4210 + set_transient('mxchat_admin_notice_error',
4211 + esc_html__('Pinecone is not properly configured.', 'mxchat'),
4212 + 30
4213 + );
4214 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
4215 + exit;
4216 + }
4217 +
4218 + // Delete from Pinecone
4219 + $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
4220 + $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
4221 + $vector_id,
4222 + $pinecone_options['mxchat_pinecone_api_key'],
4223 + $pinecone_options['mxchat_pinecone_host']
4224 + );
4225 +
4226 + if ($result['success']) {
4227 + // No cache clearing needed since we removed caching
4228 + set_transient('mxchat_admin_notice_success',
4229 + esc_html__('Entry deleted successfully from Pinecone.', 'mxchat'),
4230 + 30
4231 + );
4232 + } else {
4233 + set_transient('mxchat_admin_notice_error',
4234 + esc_html__('Failed to delete entry: ', 'mxchat') . $result['message'],
4235 + 30
4236 + );
4237 + }
4238 +
4239 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
4240 + exit;
4241 +}
4242 +/**
4243 + * Handle individual Pinecone content deletion via AJAX
4244 + */
4245 +public function ajax_mxchat_delete_pinecone_prompt() {
4246 + // Verify nonce and permissions
4247 + if (!check_ajax_referer('mxchat_delete_pinecone_prompt_nonce', 'nonce', false)) {
4248 + wp_send_json_error('Invalid nonce');
4249 + exit;
4250 + }
4251 +
4252 + if (!current_user_can('manage_options')) {
4253 + wp_send_json_error('Unauthorized access');
4254 + exit;
4255 + }
4256 +
4257 + $vector_id = isset($_POST['vector_id']) ? sanitize_text_field($_POST['vector_id']) : '';
4258 + $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
4259 +
4260 + if (empty($vector_id)) {
4261 + wp_send_json_error('Missing vector ID');
4262 + exit;
4263 + }
4264 +
4265 + // Get bot-specific Pinecone settings
4266 + $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
4267 + $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
4268 +
4269 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4270 +
4271 + if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
4272 + wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
4273 + exit;
4274 + }
4275 +
4276 + // Delete from the correct Pinecone index
4277 + $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
4278 + $vector_id,
4279 + $pinecone_options['mxchat_pinecone_api_key'],
4280 + $pinecone_options['mxchat_pinecone_host']
4281 + );
4282 +
4283 + if ($result['success']) {
4284 + // No cache clearing needed since we removed caching
4285 + wp_send_json_success(array(
4286 + 'message' => 'Entry deleted successfully from Pinecone',
4287 + 'vector_id' => $vector_id,
4288 + 'bot_id' => $bot_id
4289 + ));
4290 + } else {
4291 + wp_send_json_error('Failed to delete from Pinecone: ' . $result['message']);
4292 + }
4293 +
4294 + exit;
4295 +}
4296 +
4297 +/**
4298 + * NEW: Get hierarchical roles for dropdown
4299 + */
4300 +public function mxchat_get_role_options() {
4301 + return array(
4302 + 'public' => __('Public (Everyone)', 'mxchat'),
4303 + 'logged_in' => __('Logged In Users', 'mxchat'),
4304 + 'subscriber' => __('Subscribers & Above', 'mxchat'),
4305 + 'contributor' => __('Contributors & Above', 'mxchat'),
4306 + 'author' => __('Authors & Above', 'mxchat'),
4307 + 'editor' => __('Editors & Above', 'mxchat'),
4308 + 'administrator' => __('Administrators Only', 'mxchat')
4309 + );
4310 +}
4311 +
4312 +/**
4313 + * NEW: Check if user has access to content based on role restriction
4314 + */
4315 +public function mxchat_user_has_content_access($role_restriction) {
4316 + // Public content is always accessible
4317 + if ($role_restriction === 'public' || empty($role_restriction)) {
4318 + return true;
4319 + }
4320 +
4321 + // Check if user is logged in for logged_in restriction
4322 + if ($role_restriction === 'logged_in') {
4323 + return is_user_logged_in();
4324 + }
4325 +
4326 + // If not logged in, no access to role-restricted content
4327 + if (!is_user_logged_in()) {
4328 + return false;
4329 + }
4330 +
4331 + $user = wp_get_current_user();
4332 + $user_roles = $user->roles;
4333 +
4334 + if (empty($user_roles)) {
4335 + return false;
4336 + }
4337 +
4338 + // Define role hierarchy (higher number = higher access)
4339 + $hierarchy = array(
4340 + 'subscriber' => 1,
4341 + 'contributor' => 2,
4342 + 'author' => 3,
4343 + 'editor' => 4,
4344 + 'administrator' => 5
4345 + );
4346 +
4347 + // Get required level
4348 + $required_level = isset($hierarchy[$role_restriction]) ? $hierarchy[$role_restriction] : 0;
4349 +
4350 + // Check if user has required level or higher
4351 + foreach ($user_roles as $user_role) {
4352 + $user_level = isset($hierarchy[$user_role]) ? $hierarchy[$user_role] : 0;
4353 + if ($user_level >= $required_level) {
4354 + return true;
4355 + }
4356 + }
4357 +
4358 + return false;
4359 +}
4360 +
4361 +/**
4362 + * Handle role restriction updates via AJAX
4363 + * UPDATED: Removed cache clearing call since we removed caching
4364 + */
4365 +public function ajax_mxchat_update_role_restriction() {
4366 + // Verify nonce and permissions
4367 + if (!check_ajax_referer('mxchat_update_role_nonce', 'nonce', false)) {
4368 + wp_send_json_error('Invalid nonce');
4369 + exit;
4370 + }
4371 +
4372 + if (!current_user_can('manage_options')) {
4373 + wp_send_json_error('Unauthorized access');
4374 + exit;
4375 + }
4376 +
4377 + $entry_id = isset($_POST['entry_id']) ? sanitize_text_field($_POST['entry_id']) : '';
4378 + $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
4379 + $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
4380 +
4381 + if (empty($entry_id)) {
4382 + wp_send_json_error('Invalid entry ID');
4383 + exit;
4384 + }
4385 +
4386 + // Get knowledge manager instance to validate role restriction
4387 + $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
4388 + $valid_roles = array_keys($knowledge_manager->mxchat_get_role_options());
4389 + if (!in_array($role_restriction, $valid_roles)) {
4390 + wp_send_json_error('Invalid role restriction');
4391 + exit;
4392 + }
4393 +
4394 + global $wpdb;
4395 +
4396 + if ($data_source === 'pinecone') {
4397 + // Handle Pinecone role restriction (stored separately in WordPress table)
4398 + $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
4399 +
4400 + // Use REPLACE to insert or update the role restriction
4401 + $result = $wpdb->replace(
4402 + $roles_table,
4403 + array(
4404 + 'vector_id' => $entry_id,
4405 + 'role_restriction' => $role_restriction,
4406 + 'updated_at' => current_time('mysql')
4407 + ),
4408 + array('%s', '%s', '%s')
4409 + );
4410 +
4411 + // No cache clearing needed since we removed caching
4412 +
4413 + } else {
4414 + // Handle WordPress database role restriction (existing functionality)
4415 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4416 +
4417 + $result = $wpdb->update(
4418 + $table_name,
4419 + array('role_restriction' => $role_restriction),
4420 + array('id' => absint($entry_id)),
4421 + array('%s'),
4422 + array('%d')
4423 + );
4424 + }
4425 +
4426 + if ($result === false) {
4427 + wp_send_json_error('Database update failed: ' . $wpdb->last_error);
4428 + exit;
4429 + }
4430 +
4431 + wp_send_json_success(array(
4432 + 'message' => 'Role restriction updated successfully',
4433 + 'role_restriction' => $role_restriction,
4434 + 'data_source' => $data_source,
4435 + 'entry_id' => $entry_id
4436 + ));
4437 + exit;
4438 +}
4439 +
4440 + // ========================================
4441 + // HELPER METHODS
4442 + // ========================================
4443 +
4444 + /**
4445 + * Check if user has required permissions for content processing
4446 + */
4447 + private function mxchat_check_user_permissions() {
4448 + if (!current_user_can('manage_options')) {
4449 + wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
4450 + }
4451 + }
4452 +
4453 + /**
4454 + * Validate nonce for security
4455 + */
4456 + private function mxchat_validate_nonce($nonce_name, $nonce_action) {
4457 + if (!isset($_POST[$nonce_name]) || !wp_verify_nonce($_POST[$nonce_name], $nonce_action)) {
4458 + wp_die(esc_html__('Security check failed.', 'mxchat'));
4459 + }
4460 + }
4461 +
4462 + /**
4463 + * Get embedding API credentials
4464 + */
4465 + private function mxchat_get_embedding_credentials() {
4466 + $embedding_model = $this->options['embedding_model'] ?? 'text-embedding-ada-002';
4467 +
4468 + if (strpos($embedding_model, 'text-embedding-') !== false) {
4469 + return array(
4470 + 'type' => 'openai',
4471 + 'api_key' => $this->options['api_key'] ?? ''
4472 + );
4473 + } elseif (strpos($embedding_model, 'voyage-') !== false) {
4474 + return array(
4475 + 'type' => 'voyage',
4476 + 'api_key' => $this->options['voyage_api_key'] ?? ''
4477 + );
4478 + } elseif (strpos($embedding_model, 'gemini-embedding-') !== false) {
4479 + return array(
4480 + 'type' => 'gemini',
4481 + 'api_key' => $this->options['gemini_api_key'] ?? ''
4482 + );
4483 + }
4484 +
4485 + return array('type' => 'unknown', 'api_key' => '');
4486 + }
4487 +
4488 + /**
4489 + * Log processing errors
4490 + */
4491 + private function mxchat_log_processing_error($operation, $error_message) {
4492 + //error_log("MxChat Knowledge Processing {$operation} Error: " . $error_message);
4493 + }
4494 +
4495 + /**
4496 + * Set admin notice transient
4497 + */
4498 + private function mxchat_set_admin_notice($type, $message) {
4499 + set_transient("mxchat_admin_notice_{$type}", $message, 30);
4500 + }
4501 +
4502 + /**
4503 + * Get Pinecone manager instance for vector operations
4504 + */
4505 + private function mxchat_get_pinecone_manager() {
4506 + return MxChat_Pinecone_Manager::get_instance();
4507 + }
4508 +
4509 + // ========================================
4510 + // STATIC ACCESS METHODS
4511 + // ========================================
4512 +
4513 + /**
4514 + * Get singleton instance
4515 + */
4516 + public static function get_instance() {
4517 + static $instance = null;
4518 + if ($instance === null) {
4519 + $instance = new self();
4520 + }
4521 + return $instance;
4522 + }
4523 +}
4524 +
4525 +// Initialize the Knowledge manager
8656 4526 $mxchat_knowledge_manager = MxChat_Knowledge_Manager::get_instance();