PluginProbe
MxChat – AI Chatbot & Content Generation for WordPress / 2.5.8
MxChat – AI Chatbot & Content Generation for WordPress v2.5.8
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← All changes | admin/class-knowledge-manager.php +5209 -8409 3.2.132.5.8 View file →
@@ -1,8410 +1,5210 @@
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_stop_processing', array($this, 'mxchat_stop_processing'));
36 -
37 - // AJAX handlers for real-time processing and status updates
38 - add_action('wp_ajax_mxchat_get_status_updates', array($this, 'mxchat_ajax_get_status_updates'));
39 - add_action('wp_ajax_mxchat_dismiss_completed_status', array($this, 'mxchat_ajax_dismiss_completed_status'));
40 - add_action('wp_ajax_mxchat_get_content_list', array($this, 'ajax_mxchat_get_content_list'));
41 - add_action('wp_ajax_mxchat_process_selected_content', array($this, 'ajax_mxchat_process_selected_content'));
42 - add_action('wp_ajax_mxchat_save_inline_prompt', array($this, 'mxchat_save_inline_prompt'));
43 - add_action('admin_post_mxchat_delete_pinecone_prompt', array($this, 'mxchat_handle_pinecone_prompt_delete'));
44 - add_action('wp_ajax_mxchat_delete_pinecone_prompt', array($this, 'ajax_mxchat_delete_pinecone_prompt'));
45 - add_action('wp_ajax_mxchat_delete_chunks_by_url', array($this, 'ajax_mxchat_delete_chunks_by_url'));
46 - add_action('wp_ajax_mxchat_delete_wordpress_prompt', array($this, 'ajax_mxchat_delete_wordpress_prompt'));
47 - add_action('wp_ajax_mxchat_bulk_delete_knowledge', array($this, 'ajax_mxchat_bulk_delete_knowledge'));
48 - add_action('wp_ajax_mxchat_update_role_restriction', array($this, 'ajax_mxchat_update_role_restriction'));
49 -
50 - // Queue-based processing AJAX handlers
51 - add_action('wp_ajax_mxchat_get_next_queue_item', array($this, 'ajax_mxchat_get_next_queue_item'));
52 - add_action('wp_ajax_mxchat_process_queue_item', array($this, 'ajax_mxchat_process_queue_item'));
53 - add_action('wp_ajax_mxchat_get_queue_status', array($this, 'ajax_mxchat_get_queue_status'));
54 - add_action('wp_ajax_mxchat_clear_queue', array($this, 'ajax_mxchat_clear_queue'));
55 - add_action('wp_ajax_mxchat_retry_failed', array($this, 'ajax_mxchat_retry_failed'));
56 - add_action('wp_ajax_mxchat_get_recent_entries', array($this, 'ajax_mxchat_get_recent_entries'));
57 - add_action('wp_ajax_mxchat_detect_sitemaps', array($this, 'ajax_mxchat_detect_sitemaps'));
58 - add_action('wp_ajax_mxchat_refresh_pinecone_entries', array($this, 'ajax_mxchat_refresh_pinecone_entries'));
59 - add_action('wp_ajax_mxchat_paginate_entries', array($this, 'ajax_mxchat_paginate_entries'));
60 - add_action('wp_ajax_mxchat_get_entry_content', array($this, 'ajax_mxchat_get_entry_content'));
61 - add_action('wp_ajax_mxchat_save_entry_content', array($this, 'ajax_mxchat_save_entry_content'));
62 - add_action('wp_ajax_mxchat_inspect_entry', array($this, 'ajax_mxchat_inspect_entry'));
63 -
64 - // WordPress post management hooks
65 - add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
66 - add_action('post_updated', array($this, 'mxchat_handle_post_update'), 10, 3);
67 - add_action('before_delete_post', array($this, 'mxchat_handle_post_delete'));
68 - add_action('wp_trash_post', array($this, 'mxchat_handle_post_delete'));
69 -
70 - // ACF hook - fires AFTER ACF fields are saved, ensuring ACF data is available
71 - // Priority 20 to run after ACF's own save (which runs at priority 10)
72 - add_action('acf/save_post', array($this, 'mxchat_handle_acf_save'), 20);
73 -
74 - add_action('wp_ajax_mxchat_mark_queue_complete', array($this, 'ajax_mxchat_mark_queue_complete'));
75 -
76 - // WooCommerce product hooks (if WooCommerce is active)
77 - if (class_exists('WooCommerce')) {
78 - add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
79 - add_action('save_post_product', array($this, 'mxchat_handle_product_change'), 10, 3);
80 - add_action('wp_trash_post', array($this, 'mxchat_handle_product_delete'));
81 - add_action('before_delete_post', array($this, 'mxchat_handle_product_delete'));
82 - }
83 -}
84 -
85 - /**
86 - * Get current options (refreshed)
87 - */
88 - private function mxchat_get_options() {
89 - if (empty($this->options)) {
90 - $this->options = get_option('mxchat_options', array());
91 - }
92 - return $this->options;
93 - }
94 -
95 -
96 - // ========================================
97 - // MAIN CONTENT SUBMISSION HANDLERS
98 - // ========================================
99 -
100 -public function mxchat_handle_content_submission() {
101 - // Check if the form was submitted and the user has permission.
102 - if (!isset($_POST['submit_content']) || !current_user_can('manage_options')) {
103 - return;
104 - }
105 -
106 - // Verify the nonce.
107 - $nonce = isset($_POST['mxchat_submit_content_nonce']) ? sanitize_text_field(wp_unslash($_POST['mxchat_submit_content_nonce'])) : '';
108 - if (!wp_verify_nonce($nonce, 'mxchat_submit_content_action')) {
109 - wp_die(esc_html__('Nonce verification failed.', 'mxchat'));
110 - }
111 -
112 - // Sanitize the inputs.
113 - // Use wp_kses_post to allow safe HTML and wp_unslash to remove WordPress added slashes
114 - $article_content = wp_kses_post(wp_unslash($_POST['article_content']));
115 - $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
116 -
117 - // Get bot_id from form submission
118 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
119 -
120 - // Get bot-specific options and API key
121 - $bot_options = $this->get_bot_options($bot_id);
122 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
123 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
124 -
125 - if (strpos($selected_model, 'voyage') === 0) {
126 - $api_key = $options['voyage_api_key'] ?? '';
127 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
128 - $api_key = $options['gemini_api_key'] ?? '';
129 - } else {
130 - $api_key = $options['api_key'] ?? '';
131 - }
132 -
133 - if (empty($api_key)) {
134 - set_transient('mxchat_admin_notice_error',
135 - esc_html__('API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
136 - 30
137 - );
138 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
139 - exit;
140 - }
141 -
142 - // Use centralized utility function with bot_id
143 - $result = MxChat_Utils::submit_content_to_db($article_content, $article_url, $api_key, null, $bot_id);
144 -
145 - if (is_wp_error($result)) {
146 - set_transient('mxchat_admin_notice_error',
147 - esc_html__('Error storing content: ', 'mxchat') . $result->get_error_message(),
148 - 30
149 - );
150 - } else {
151 - set_transient('mxchat_admin_notice_success',
152 - esc_html__('Content successfully submitted!', 'mxchat'),
153 - 30
154 - );
155 - }
156 -
157 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
158 - exit;
159 -}
160 -
161 -public function mxchat_is_pdf_url($url, $response) {
162 - $content_type = wp_remote_retrieve_header($response, 'content-type');
163 - $file_extension = strtolower(pathinfo($url, PATHINFO_EXTENSION));
164 -
165 - // Check Content-Disposition header for .pdf filename (Google Drive sends this)
166 - $disposition = wp_remote_retrieve_header($response, 'content-disposition');
167 - $has_pdf_disposition = ! empty($disposition) && stripos($disposition, '.pdf') !== false;
168 -
169 - return strpos($content_type, 'pdf') !== false || $file_extension === 'pdf' || $has_pdf_disposition;
170 -}
171 -
172 -
173 -public function mxchat_handle_pdf_for_knowledge_base($pdf_url, $response, $bot_id = 'default') {
174 - if (!current_user_can('manage_options')) {
175 - return false;
176 - }
177 -
178 - $pdf_url = esc_url_raw($pdf_url);
179 - $upload_dir = wp_upload_dir();
180 -
181 - if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
182 - return false;
183 - }
184 -
185 - $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
186 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
187 -
188 - $response_body = wp_remote_retrieve_body($response);
189 - if (empty($response_body)) {
190 - return false;
191 - }
192 -
193 - if (!wp_mkdir_p(dirname($pdf_path))) {
194 - return false;
195 - }
196 -
197 - try {
198 - file_put_contents($pdf_path, $response_body);
199 -
200 - if (!file_exists($pdf_path)) {
201 - throw new Exception(__('Failed to save PDF file', 'mxchat'));
202 - }
203 -
204 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
205 -
206 - if ($total_pages === false || $total_pages < 1) {
207 - throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
208 - }
209 -
210 - // Create unique queue ID
211 - $queue_id = 'pdf_' . md5($pdf_url . time());
212 -
213 - // Create array of pages to process
214 - $pages = array();
215 - for ($i = 1; $i <= $total_pages; $i++) {
216 - $pages[] = array(
217 - 'pdf_path' => $pdf_path,
218 - 'pdf_url' => $pdf_url,
219 - 'page_number' => $i,
220 - 'total_pages' => $total_pages
221 - );
222 - }
223 -
224 - // Add pages to queue
225 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
226 -
227 - if ($queued_count === 0) {
228 - wp_delete_file($pdf_path);
229 - throw new Exception(__('Failed to add PDF pages to processing queue', 'mxchat'));
230 - }
231 -
232 - // Store queue metadata
233 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $pdf_url);
234 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'pdf');
235 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_pages);
236 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
237 - $this->mxchat_set_queue_meta($queue_id, 'pdf_path', $pdf_path);
238 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
239 -
240 - // Store queue ID in transient for status tracking
241 - set_transient('mxchat_active_queue_pdf', $queue_id, DAY_IN_SECONDS);
242 - set_transient('mxchat_last_pdf_url', $pdf_url, DAY_IN_SECONDS);
243 -
244 - return 'queued';
245 -
246 - } catch (Exception $e) {
247 - if (file_exists($pdf_path)) {
248 - wp_delete_file($pdf_path);
249 - }
250 - return $e->getMessage();
251 - }
252 -}
253 -
254 -/**
255 - * Handle direct PDF file upload from the knowledge base page
256 - */
257 -public function mxchat_handle_pdf_file_submission() {
258 - if (!isset($_POST['submit_pdf_file']) || !current_user_can('manage_options')) {
259 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
260 - }
261 -
262 - check_admin_referer('mxchat_submit_pdf_file_action', 'mxchat_submit_pdf_file_nonce');
263 -
264 - $redirect_url = admin_url('admin.php?page=mxchat-prompts');
265 -
266 - // Validate file upload
267 - if (empty($_FILES['pdf_file']) || $_FILES['pdf_file']['error'] !== UPLOAD_ERR_OK) {
268 - $error_code = isset($_FILES['pdf_file']['error']) ? $_FILES['pdf_file']['error'] : UPLOAD_ERR_NO_FILE;
269 - $error_messages = array(
270 - UPLOAD_ERR_INI_SIZE => __('The uploaded file exceeds the server upload_max_filesize limit.', 'mxchat'),
271 - UPLOAD_ERR_FORM_SIZE => __('The uploaded file exceeds the form MAX_FILE_SIZE limit.', 'mxchat'),
272 - UPLOAD_ERR_PARTIAL => __('The file was only partially uploaded.', 'mxchat'),
273 - UPLOAD_ERR_NO_FILE => __('No file was uploaded. Please select a PDF file.', 'mxchat'),
274 - UPLOAD_ERR_NO_TMP_DIR => __('Server missing temporary folder.', 'mxchat'),
275 - UPLOAD_ERR_CANT_WRITE => __('Server failed to write file to disk.', 'mxchat'),
276 - );
277 - $error_msg = isset($error_messages[$error_code]) ? $error_messages[$error_code] : __('Unknown upload error.', 'mxchat');
278 - set_transient('mxchat_admin_notice_error', $error_msg, 30);
279 - wp_safe_redirect(esc_url($redirect_url));
280 - exit;
281 - }
282 -
283 - $file = $_FILES['pdf_file'];
284 -
285 - // Validate MIME type
286 - $finfo = finfo_open(FILEINFO_MIME_TYPE);
287 - $mime_type = finfo_file($finfo, $file['tmp_name']);
288 - finfo_close($finfo);
289 -
290 - if ($mime_type !== 'application/pdf') {
291 - set_transient('mxchat_admin_notice_error',
292 - esc_html__('Invalid file type. Only PDF files are accepted.', 'mxchat'),
293 - 30
294 - );
295 - wp_safe_redirect(esc_url($redirect_url));
296 - exit;
297 - }
298 -
299 - // Validate extension
300 - $ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
301 - if ($ext !== 'pdf') {
302 - set_transient('mxchat_admin_notice_error',
303 - esc_html__('Invalid file extension. Only .pdf files are accepted.', 'mxchat'),
304 - 30
305 - );
306 - wp_safe_redirect(esc_url($redirect_url));
307 - exit;
308 - }
309 -
310 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
311 - $original_filename = sanitize_file_name($file['name']);
312 -
313 - $upload_dir = wp_upload_dir();
314 - if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
315 - set_transient('mxchat_admin_notice_error',
316 - esc_html__('WordPress upload directory is not writable.', 'mxchat'),
317 - 30
318 - );
319 - wp_safe_redirect(esc_url($redirect_url));
320 - exit;
321 - }
322 -
323 - $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
324 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
325 -
326 - if (!wp_mkdir_p(dirname($pdf_path))) {
327 - set_transient('mxchat_admin_notice_error',
328 - esc_html__('Failed to create upload directory.', 'mxchat'),
329 - 30
330 - );
331 - wp_safe_redirect(esc_url($redirect_url));
332 - exit;
333 - }
334 -
335 - // Move uploaded file
336 - if (!move_uploaded_file($file['tmp_name'], $pdf_path)) {
337 - set_transient('mxchat_admin_notice_error',
338 - esc_html__('Failed to save uploaded PDF file.', 'mxchat'),
339 - 30
340 - );
341 - wp_safe_redirect(esc_url($redirect_url));
342 - exit;
343 - }
344 -
345 - try {
346 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
347 -
348 - if ($total_pages === false || $total_pages < 1) {
349 - throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
350 - }
351 -
352 - // Use original filename as the source identifier
353 - $source_label = 'upload://' . $original_filename;
354 -
355 - $queue_id = 'pdf_' . md5($source_label . time());
356 -
357 - $pages = array();
358 - for ($i = 1; $i <= $total_pages; $i++) {
359 - $pages[] = array(
360 - 'pdf_path' => $pdf_path,
361 - 'pdf_url' => $source_label,
362 - 'page_number' => $i,
363 - 'total_pages' => $total_pages,
364 - );
365 - }
366 -
367 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
368 -
369 - if ($queued_count === 0) {
370 - wp_delete_file($pdf_path);
371 - throw new Exception(__('Failed to add PDF pages to processing queue', 'mxchat'));
372 - }
373 -
374 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $source_label);
375 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'pdf');
376 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_pages);
377 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
378 - $this->mxchat_set_queue_meta($queue_id, 'pdf_path', $pdf_path);
379 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
380 -
381 - set_transient('mxchat_active_queue_pdf', $queue_id, DAY_IN_SECONDS);
382 - set_transient('mxchat_last_pdf_url', $source_label, DAY_IN_SECONDS);
383 -
384 - set_transient('mxchat_admin_notice_success',
385 - sprintf(
386 - esc_html__('PDF "%s" (%d pages) queued for processing. Processing will start automatically.', 'mxchat'),
387 - esc_html($original_filename),
388 - $total_pages
389 - ),
390 - 30
391 - );
392 -
393 - } catch (Exception $e) {
394 - if (file_exists($pdf_path)) {
395 - wp_delete_file($pdf_path);
396 - }
397 - set_transient('mxchat_admin_notice_error',
398 - esc_html__('Failed to process uploaded PDF: ', 'mxchat') . esc_html($e->getMessage()),
399 - 30
400 - );
401 - }
402 -
403 - wp_safe_redirect(esc_url($redirect_url));
404 - exit;
405 -}
406 -
407 -/**
408 - * Validate PDF and count pages with multiple parser attempts
409 - */
410 -private function mxchat_validate_and_count_pdf_pages($pdf_path) {
411 - // Method 1: Try with Smalot PDF Parser (your current method)
412 - try {
413 - mxchat_load_pdf_parser();
414 - $parser = new \Smalot\PdfParser\Parser();
415 - $pdf = $parser->parseFile($pdf_path);
416 - $pages = $pdf->getPages();
417 - $page_count = count($pages);
418 -
419 - if ($page_count > 0) {
420 - //error_log('PDF parsed successfully with Smalot parser: ' . $page_count . ' pages');
421 - return $page_count;
422 - }
423 - } catch (Exception $e) {
424 - //error_log('Smalot PDF parser failed: ' . $e->getMessage());
425 - }
426 -
427 - // Method 2: Try with pdfinfo command (if available)
428 - if (function_exists('shell_exec') && !$this->mxchat_is_shell_disabled()) {
429 - try {
430 - $command = 'pdfinfo ' . escapeshellarg($pdf_path) . ' 2>&1';
431 - $output = shell_exec($command);
432 -
433 - if ($output && preg_match('/Pages:\s*(\d+)/', $output, $matches)) {
434 - $page_count = intval($matches[1]);
435 - if ($page_count > 0) {
436 - //error_log('PDF parsed successfully with pdfinfo: ' . $page_count . ' pages');
437 - return $page_count;
438 - }
439 - }
440 - } catch (Exception $e) {
441 - //error_log('pdfinfo command failed: ' . $e->getMessage());
442 - }
443 - }
444 -
445 - // Method 3: Try to repair PDF and parse again
446 - try {
447 - $repaired_path = $this->mxchat_attempt_pdf_repair($pdf_path);
448 - if ($repaired_path && $repaired_path !== $pdf_path) {
449 - mxchat_load_pdf_parser();
450 - $parser = new \Smalot\PdfParser\Parser();
451 - $pdf = $parser->parseFile($repaired_path);
452 - $pages = $pdf->getPages();
453 - $page_count = count($pages);
454 -
455 - if ($page_count > 0) {
456 - // Replace original with repaired version
457 - copy($repaired_path, $pdf_path);
458 - unlink($repaired_path);
459 - //error_log('PDF repaired and parsed successfully: ' . $page_count . ' pages');
460 - return $page_count;
461 - }
462 -
463 - // Clean up repaired file if it didn't work
464 - unlink($repaired_path);
465 - }
466 - } catch (Exception $e) {
467 - //error_log('PDF repair attempt failed: ' . $e->getMessage());
468 - }
469 -
470 - // Method 4: Manual PDF structure analysis (basic page count)
471 - try {
472 - $page_count = $this->mxchat_manual_pdf_page_count($pdf_path);
473 - if ($page_count > 0) {
474 - //error_log('PDF page count determined manually: ' . $page_count . ' pages');
475 - return $page_count;
476 - }
477 - } catch (Exception $e) {
478 - //error_log('Manual PDF analysis failed: ' . $e->getMessage());
479 - }
480 -
481 - //error_log('All PDF parsing methods failed for: ' . $pdf_path);
482 - return false;
483 -}
484 -
485 -/**
486 - * Check if shell_exec is disabled
487 - */
488 -private function mxchat_is_shell_disabled() {
489 - $disabled = explode(',', ini_get('disable_functions'));
490 - return in_array('shell_exec', $disabled);
491 -}
492 -
493 -/**
494 - * Attempt to repair PDF using basic methods
495 - */
496 -private function mxchat_attempt_pdf_repair($pdf_path) {
497 - try {
498 - $content = file_get_contents($pdf_path);
499 - if (!$content) {
500 - return false;
501 - }
502 -
503 - // Check if PDF starts with proper header
504 - if (substr($content, 0, 4) !== '%PDF') {
505 - // Try to find PDF header in the content
506 - $header_pos = strpos($content, '%PDF');
507 - if ($header_pos !== false && $header_pos < 1024) {
508 - // Remove junk before PDF header
509 - $content = substr($content, $header_pos);
510 - $repaired_path = $pdf_path . '.repaired';
511 - file_put_contents($repaired_path, $content);
512 - return $repaired_path;
513 - }
514 - }
515 -
516 - // Check for EOF marker
517 - $content = rtrim($content);
518 - if (!preg_match('/%%EOF\s*$/', $content)) {
519 - // Add EOF marker if missing
520 - $content .= "\n%%EOF";
521 - $repaired_path = $pdf_path . '.repaired';
522 - file_put_contents($repaired_path, $content);
523 - return $repaired_path;
524 - }
525 -
526 - } catch (Exception $e) {
527 - //error_log('PDF repair error: ' . $e->getMessage());
528 - }
529 -
530 - return false;
531 -}
532 -
533 -/**
534 - * Manual PDF page counting by analyzing PDF structure
535 - */
536 -private function mxchat_manual_pdf_page_count($pdf_path) {
537 - try {
538 - $content = file_get_contents($pdf_path);
539 - if (!$content) {
540 - return 0;
541 - }
542 -
543 - // Method 1: Count /Type /Page objects
544 - $page_count = preg_match_all('/\/Type\s*\/Page[^s]/', $content);
545 - if ($page_count > 0) {
546 - return $page_count;
547 - }
548 -
549 - // Method 2: Look for /Count in pages object
550 - if (preg_match('/\/Type\s*\/Pages.*?\/Count\s+(\d+)/', $content, $matches)) {
551 - return intval($matches[1]);
552 - }
553 -
554 - // Method 3: Count page references
555 - $page_count = preg_match_all('/\d+\s+0\s+obj\s*<<[^>]*\/Type\s*\/Page/', $content);
556 - if ($page_count > 0) {
557 - return $page_count;
558 - }
559 -
560 - } catch (Exception $e) {
561 - //error_log('Manual PDF analysis error: ' . $e->getMessage());
562 - }
563 -
564 - return 0;
565 -}
566 -
567 -
568 -public function mxchat_save_inline_prompt() {
569 - // DEBUG: Log what we're receiving
570 - //error_log('=== MXCHAT DEBUG ===');
571 - //error_log('POST data: ' . print_r($_POST, true));
572 - //error_log('Nonce from POST: ' . ($_POST['_ajax_nonce'] ?? 'NOT FOUND'));
573 -
574 - // Check for nonce security
575 - check_ajax_referer('mxchat_save_inline_nonce', '_ajax_nonce');
576 -
577 - // If we get here, nonce passed
578 - //error_log('Nonce verification PASSED');
579 -
580 - // Verify permissions
581 - if (!current_user_can('manage_options')) {
582 - wp_send_json_error(esc_html__('Permission denied.', 'mxchat'));
583 - return;
584 - }
585 -
586 - global $wpdb;
587 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
588 -
589 - // Validate and sanitize input data
590 - $prompt_id = isset($_POST['id']) ? absint($_POST['id']) : 0;
591 - $article_content = isset($_POST['article_content']) ? wp_kses_post(wp_unslash($_POST['article_content'])) : '';
592 - $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
593 -
594 - if ($prompt_id > 0 && !empty($article_content)) {
595 - // Re-generate the embedding vector for the updated content
596 - $embedding_vector = $this->mxchat_generate_embedding($article_content);
597 - if (is_array($embedding_vector)) {
598 - // Serialize the embedding vector before storing it
599 - $embedding_vector_serialized = serialize($embedding_vector);
600 - // Update the prompt in the database
601 - $updated = $wpdb->update(
602 - $table_name,
603 - array(
604 - 'article_content' => $article_content,
605 - 'embedding_vector' => $embedding_vector_serialized,
606 - 'source_url' => $article_url,
607 - ),
608 - array('id' => $prompt_id),
609 - array('%s', '%s', '%s'),
610 - array('%d')
611 - );
612 - if ($updated !== false) {
613 - wp_send_json_success();
614 - } else {
615 - MxChat_Admin::mxchat_log_debug('knowledge_error', 'Database update failed when saving knowledge entry');
616 - wp_send_json_error(esc_html__('Database update failed.', 'mxchat'));
617 - }
618 - } else {
619 - MxChat_Admin::mxchat_log_debug('embedding_error', 'Embedding generation failed for knowledge entry');
620 - wp_send_json_error(esc_html__('Embedding generation failed.', 'mxchat'));
621 - }
622 - } else {
623 - wp_send_json_error(esc_html__('Invalid data.', 'mxchat'));
624 - }
625 -}
626 -
627 -
628 -/**
629 - * AJAX: Get full content for editing — reassembles chunks if needed.
630 - * Works for both WordPress DB and Pinecone entries.
631 - */
632 -public function ajax_mxchat_get_entry_content() {
633 - check_ajax_referer('mxchat_edit_entry_nonce', 'nonce');
634 -
635 - if ( ! current_user_can('manage_options') ) {
636 - wp_send_json_error( array( 'message' => 'Permission denied.' ) );
637 - }
638 -
639 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
640 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
641 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
642 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
643 -
644 - if ( $data_source === 'pinecone' ) {
645 - // Pinecone: fetch vectors by source_url, reassemble chunks
646 - $content = $this->get_pinecone_entry_content( $source_url, $entry_id, $bot_id );
647 - } else {
648 - // WordPress DB
649 - $content = $this->get_wordpress_entry_content( $source_url, $entry_id );
650 - }
651 -
652 - if ( is_wp_error( $content ) ) {
653 - wp_send_json_error( array( 'message' => $content->get_error_message() ) );
654 - }
655 -
656 - wp_send_json_success( $content );
657 -}
658 -
659 -/**
660 - * Get content from WordPress DB — reassembles chunks by source_url.
661 - */
662 -private function get_wordpress_entry_content( $source_url, $entry_id ) {
663 - global $wpdb;
664 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
665 -
666 - // If we have a source_url, check for chunks
667 - if ( ! empty( $source_url ) && strpos( $source_url, 'mxchat://' ) !== 0 ) {
668 - $rows = $wpdb->get_results( $wpdb->prepare(
669 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE source_url = %s ORDER BY id ASC",
670 - $source_url
671 - ) );
672 -
673 - if ( $rows && count( $rows ) > 1 ) {
674 - // Multiple rows = chunked. Reassemble.
675 - $chunks = array();
676 - foreach ( $rows as $row ) {
677 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
678 - $index = isset( $parsed['metadata']['chunk_index'] ) ? intval( $parsed['metadata']['chunk_index'] ) : count( $chunks );
679 - $chunks[ $index ] = $parsed['text'];
680 - }
681 - ksort( $chunks );
682 - return array(
683 - 'content' => implode( "\n\n", $chunks ),
684 - 'source_url' => $source_url,
685 - 'is_chunked' => true,
686 - 'chunk_count' => count( $chunks ),
687 - 'content_type' => $rows[0]->content_type,
688 - );
689 - } elseif ( $rows && count( $rows ) === 1 ) {
690 - $parsed = MxChat_Chunker::parse_stored_chunk( $rows[0]->article_content );
691 - return array(
692 - 'content' => $parsed['text'],
693 - 'source_url' => $source_url,
694 - 'entry_id' => $rows[0]->id,
695 - 'is_chunked' => false,
696 - 'content_type' => $rows[0]->content_type,
697 - );
698 - }
699 - }
700 -
701 - // Fallback: fetch by ID
702 - if ( $entry_id > 0 ) {
703 - $row = $wpdb->get_row( $wpdb->prepare(
704 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE id = %d",
705 - $entry_id
706 - ) );
707 - if ( $row ) {
708 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
709 - return array(
710 - 'content' => $parsed['text'],
711 - 'source_url' => $row->source_url,
712 - 'entry_id' => $row->id,
713 - 'is_chunked' => false,
714 - 'content_type' => $row->content_type,
715 - );
716 - }
717 - }
718 -
719 - return new WP_Error( 'not_found', 'Entry not found.' );
720 -}
721 -
722 -/**
723 - * Get content from Pinecone — fetches vectors by source_url, reassembles chunks.
724 - */
725 -private function get_pinecone_entry_content( $source_url, $entry_id, $bot_id ) {
726 - if ( ! class_exists('MxChat_Pinecone_Manager') ) {
727 - return new WP_Error( 'pinecone_unavailable', 'Pinecone manager not available.' );
728 - }
729 -
730 - // Get Pinecone config
731 - if ( $bot_id === 'default' || ! class_exists('MxChat_Multi_Bot_Manager') ) {
732 - $pinecone_options = get_option('mxchat_pinecone_addon_options');
733 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
734 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
735 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
736 - } else {
737 - $bot_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
738 - $api_key = $bot_config['api_key'] ?? '';
739 - $host = $bot_config['host'] ?? '';
740 - $namespace = $bot_config['namespace'] ?? '';
741 - }
742 -
743 - if ( empty($host) || empty($api_key) ) {
744 - return new WP_Error( 'pinecone_config', 'Pinecone not configured.' );
745 - }
746 -
747 - // List vectors with the source_url prefix
748 - $base_id = md5( $source_url );
749 - $vector_ids = array( $base_id );
750 -
751 - // Find chunk vectors
752 - $list_url = "https://{$host}/vectors/list";
753 - $list_body = array( 'prefix' => $base_id . '_chunk_', 'limit' => 100 );
754 - if ( ! empty($namespace) ) {
755 - $list_body['namespace'] = $namespace;
756 - }
757 -
758 - $list_resp = wp_remote_post( $list_url, array(
759 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
760 - 'body' => wp_json_encode( $list_body ),
761 - 'timeout' => 15,
762 - ) );
763 -
764 - if ( ! is_wp_error($list_resp) ) {
765 - $list_data = json_decode( wp_remote_retrieve_body($list_resp), true );
766 - if ( ! empty($list_data['vectors']) ) {
767 - foreach ( $list_data['vectors'] as $v ) {
768 - $vector_ids[] = $v['id'];
769 - }
770 - }
771 - }
772 -
773 - // Fetch vectors with metadata
774 - $fetch_url = "https://{$host}/vectors/fetch";
775 - $fetch_body = array( 'ids' => $vector_ids );
776 - if ( ! empty($namespace) ) {
777 - $fetch_body['namespace'] = $namespace;
778 - }
779 -
780 - $fetch_resp = wp_remote_post( $fetch_url, array(
781 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
782 - 'body' => wp_json_encode( $fetch_body ),
783 - 'timeout' => 15,
784 - ) );
785 -
786 - if ( is_wp_error($fetch_resp) ) {
787 - return new WP_Error( 'pinecone_fetch', 'Failed to fetch from Pinecone.' );
788 - }
789 -
790 - $fetch_data = json_decode( wp_remote_retrieve_body($fetch_resp), true );
791 - $vectors = $fetch_data['vectors'] ?? array();
792 -
793 - if ( empty($vectors) ) {
794 - return new WP_Error( 'not_found', 'Entry not found in Pinecone.' );
795 - }
796 -
797 - // Reassemble chunks
798 - $chunks = array();
799 - $content_type = 'content';
800 - foreach ( $vectors as $vid => $vector ) {
801 - $meta = $vector['metadata'] ?? array();
802 - $text = $meta['text'] ?? '';
803 - $index = $meta['chunk_index'] ?? 0;
804 - $content_type = $meta['type'] ?? 'content';
805 - $chunks[ intval($index) ] = $text;
806 - }
807 - ksort( $chunks );
808 -
809 - return array(
810 - 'content' => implode( "\n\n", $chunks ),
811 - 'source_url' => $source_url,
812 - 'is_chunked' => count($chunks) > 1,
813 - 'chunk_count' => count($chunks),
814 - 'content_type' => $content_type,
815 - );
816 -}
817 -
818 -/**
819 - * AJAX: Inspect a knowledge entry — returns the per-chunk stored text + metadata
820 - * WITHOUT collapsing it, so a site owner can see exactly what was indexed for an
821 - * entry (plan-mxchat-20260628-d8cb4b). READ-ONLY: never re-embeds or mutates.
822 - */
823 -public function ajax_mxchat_inspect_entry() {
824 - check_ajax_referer('mxchat_inspect_entry_nonce', 'nonce');
825 -
826 - if ( ! current_user_can('manage_options') ) {
827 - wp_send_json_error( array( 'message' => esc_html__('Permission denied.', 'mxchat') ) );
828 - }
829 -
830 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
831 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
832 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
833 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
834 -
835 - if ( $data_source === 'pinecone' ) {
836 - $result = $this->inspect_pinecone_entry( $source_url, $entry_id, $bot_id );
837 - } else {
838 - $result = $this->inspect_wordpress_entry( $source_url, $entry_id );
839 - }
840 -
841 - if ( is_wp_error( $result ) ) {
842 - wp_send_json_error( array( 'message' => $result->get_error_message() ) );
843 - }
844 -
845 - wp_send_json_success( $result );
846 -}
847 -
848 -/**
849 - * Read-only inspector for WordPress-DB entries. Mirrors get_wordpress_entry_content()
850 - * but returns each STORED chunk's exact text + length (no implode), plus the assembled
851 - * embedded text. This shows what is actually in the index, not a re-derivation from the post.
852 - */
853 -private function inspect_wordpress_entry( $source_url, $entry_id ) {
854 - global $wpdb;
855 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
856 -
857 - $rows = array();
858 -
859 - // Group by the real stored source_url — this INCLUDES "mxchat://" manual
860 - // Direct Content entries (the spec's manual-entry case), which share one
861 - // source_url across their chunk rows. Only the synthetic "_ungrouped_<id>"
862 - // display key (invented by the table view for rows with no source_url) is
863 - // excluded; those fall through to the entry_id lookup below.
864 - if ( ! empty( $source_url ) && strpos( $source_url, '_ungrouped_' ) !== 0 ) {
865 - $rows = $wpdb->get_results( $wpdb->prepare(
866 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE source_url = %s ORDER BY id ASC",
867 - $source_url
868 - ) );
869 - }
870 -
871 - // Fallback / manual "Direct Content" entries: fetch the single row by id.
872 - if ( empty( $rows ) && $entry_id > 0 ) {
873 - $row = $wpdb->get_row( $wpdb->prepare(
874 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE id = %d",
875 - $entry_id
876 - ) );
877 - if ( $row ) {
878 - $rows = array( $row );
879 - }
880 - }
881 -
882 - if ( empty( $rows ) ) {
883 - return new WP_Error( 'not_found', esc_html__('Entry not found in the local knowledge database.', 'mxchat') );
884 - }
885 -
886 - $chunks = array();
887 - $content_type = '';
888 - foreach ( $rows as $row ) {
889 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
890 - $text = isset( $parsed['text'] ) ? $parsed['text'] : '';
891 - $index = isset( $parsed['metadata']['chunk_index'] ) ? intval( $parsed['metadata']['chunk_index'] ) : count( $chunks );
892 - $content_type = $row->content_type;
893 - $chunks[] = array(
894 - 'index' => $index,
895 - 'text' => $text,
896 - 'length' => function_exists('mb_strlen') ? mb_strlen( $text ) : strlen( $text ),
897 - 'row_id' => intval( $row->id ),
898 - );
899 - }
900 -
901 - usort( $chunks, function( $a, $b ) { return $a['index'] - $b['index']; } );
902 -
903 - $assembled = implode( "\n\n", wp_list_pluck( $chunks, 'text' ) );
904 -
905 - return array(
906 - 'store' => 'wordpress',
907 - 'source_url' => $source_url,
908 - 'content_type' => $content_type,
909 - 'is_chunked' => count( $chunks ) > 1,
910 - 'chunk_count' => count( $chunks ),
911 - 'assembled' => $assembled,
912 - 'assembled_length' => function_exists('mb_strlen') ? mb_strlen( $assembled ) : strlen( $assembled ),
913 - 'chunks' => array_values( $chunks ),
914 - // WP-DB storage carries no separate vector metadata; surface that fact
915 - // rather than letting the owner guess (the spec's taxonomy question).
916 - 'metadata' => array(),
917 - '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'),
918 - );
919 -}
920 -
921 -/**
922 - * Read-only inspector for Pinecone entries. Mirrors get_pinecone_entry_content()
923 - * but keeps each vector's text + metadata instead of imploding, so the owner can
924 - * confirm exactly which metadata fields (text/source_url/type/last_updated/created_at/bot_id)
925 - * are present per chunk. READ-ONLY.
926 - */
927 -private function inspect_pinecone_entry( $source_url, $entry_id, $bot_id ) {
928 - if ( ! class_exists('MxChat_Pinecone_Manager') ) {
929 - return new WP_Error( 'pinecone_unavailable', esc_html__('Pinecone manager not available.', 'mxchat') );
930 - }
931 -
932 - if ( $bot_id === 'default' || ! class_exists('MxChat_Multi_Bot_Manager') ) {
933 - $pinecone_options = get_option('mxchat_pinecone_addon_options');
934 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
935 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
936 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
937 - } else {
938 - $bot_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
939 - $api_key = $bot_config['api_key'] ?? '';
940 - $host = $bot_config['host'] ?? '';
941 - $namespace = $bot_config['namespace'] ?? '';
942 - }
943 -
944 - if ( empty($host) || empty($api_key) ) {
945 - return new WP_Error( 'pinecone_config', esc_html__('Pinecone not configured.', 'mxchat') );
946 - }
947 -
948 - $base_id = md5( $source_url );
949 - $vector_ids = array( $base_id );
950 -
951 - $list_url = "https://{$host}/vectors/list";
952 - $list_body = array( 'prefix' => $base_id . '_chunk_', 'limit' => 100 );
953 - if ( ! empty($namespace) ) {
954 - $list_body['namespace'] = $namespace;
955 - }
956 -
957 - $list_resp = wp_remote_post( $list_url, array(
958 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
959 - 'body' => wp_json_encode( $list_body ),
960 - 'timeout' => 15,
961 - ) );
962 -
963 - if ( ! is_wp_error($list_resp) ) {
964 - $list_data = json_decode( wp_remote_retrieve_body($list_resp), true );
965 - if ( ! empty($list_data['vectors']) ) {
966 - foreach ( $list_data['vectors'] as $v ) {
967 - $vector_ids[] = $v['id'];
968 - }
969 - }
970 - }
971 -
972 - $fetch_url = "https://{$host}/vectors/fetch";
973 - $fetch_body = array( 'ids' => $vector_ids );
974 - if ( ! empty($namespace) ) {
975 - $fetch_body['namespace'] = $namespace;
976 - }
977 -
978 - $fetch_resp = wp_remote_post( $fetch_url, array(
979 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
980 - 'body' => wp_json_encode( $fetch_body ),
981 - 'timeout' => 15,
982 - ) );
983 -
984 - if ( is_wp_error($fetch_resp) ) {
985 - return new WP_Error( 'pinecone_fetch', esc_html__('Failed to fetch from Pinecone.', 'mxchat') );
986 - }
987 -
988 - $fetch_data = json_decode( wp_remote_retrieve_body($fetch_resp), true );
989 - $vectors = $fetch_data['vectors'] ?? array();
990 -
991 - if ( empty($vectors) ) {
992 - return new WP_Error( 'not_found', esc_html__('Entry not found in Pinecone.', 'mxchat') );
993 - }
994 -
995 - // Whitelisted metadata fields the spec calls out — shown so devs can confirm
996 - // what is (and is NOT) stored per vector.
997 - $meta_fields = array( 'text', 'source_url', 'type', 'last_updated', 'created_at', 'bot_id', 'chunk_index', 'total_chunks' );
998 - $chunks = array();
999 - $content_type = '';
1000 - foreach ( $vectors as $vid => $vector ) {
1001 - $meta = isset($vector['metadata']) && is_array($vector['metadata']) ? $vector['metadata'] : array();
1002 - $text = $meta['text'] ?? '';
1003 - $index = isset($meta['chunk_index']) ? intval($meta['chunk_index']) : count($chunks);
1004 - $content_type = $meta['type'] ?? $content_type;
1005 -
1006 - $clean_meta = array();
1007 - foreach ( $meta_fields as $field ) {
1008 - if ( array_key_exists( $field, $meta ) && $field !== 'text' ) {
1009 - $clean_meta[ $field ] = is_scalar( $meta[ $field ] ) ? (string) $meta[ $field ] : wp_json_encode( $meta[ $field ] );
1010 - }
1011 - }
1012 -
1013 - $chunks[] = array(
1014 - 'index' => $index,
1015 - 'text' => $text,
1016 - 'length' => function_exists('mb_strlen') ? mb_strlen( $text ) : strlen( $text ),
1017 - 'vector_id' => (string) $vid,
1018 - 'metadata' => $clean_meta,
1019 - );
1020 - }
1021 -
1022 - usort( $chunks, function( $a, $b ) { return $a['index'] - $b['index']; } );
1023 -
1024 - $assembled = implode( "\n\n", wp_list_pluck( $chunks, 'text' ) );
1025 -
1026 - return array(
1027 - 'store' => 'pinecone',
1028 - 'source_url' => $source_url,
1029 - 'content_type' => $content_type,
1030 - 'is_chunked' => count( $chunks ) > 1,
1031 - 'chunk_count' => count( $chunks ),
1032 - 'assembled' => $assembled,
1033 - 'assembled_length' => function_exists('mb_strlen') ? mb_strlen( $assembled ) : strlen( $assembled ),
1034 - 'chunks' => array_values( $chunks ),
1035 - 'metadata' => array(),
1036 - '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'),
1037 - );
1038 -}
1039 -
1040 -/**
1041 - * AJAX: Save edited content — re-chunks and re-embeds as needed.
1042 - * Works for both WordPress DB and Pinecone entries.
1043 - */
1044 -public function ajax_mxchat_save_entry_content() {
1045 - check_ajax_referer('mxchat_edit_entry_nonce', 'nonce');
1046 -
1047 - if ( ! current_user_can('manage_options') ) {
1048 - wp_send_json_error( array( 'message' => 'Permission denied.' ) );
1049 - }
1050 -
1051 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
1052 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
1053 - $content = isset($_POST['content']) ? wp_kses_post( wp_unslash($_POST['content']) ) : '';
1054 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
1055 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
1056 - $content_type = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : 'content';
1057 -
1058 - if ( empty($content) ) {
1059 - wp_send_json_error( array( 'message' => 'Content cannot be empty.' ) );
1060 - }
1061 -
1062 - // Get the embedding API key
1063 - $options = get_option('mxchat_options', array());
1064 - $api_key = '';
1065 -
1066 - if ( $bot_id !== 'default' && class_exists('MxChat_Multi_Bot_Manager') ) {
1067 - $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
1068 - $api_key = $bot_options['api_key'] ?? '';
1069 - }
1070 - if ( empty($api_key) ) {
1071 - $api_key = $options['api_key'] ?? '';
1072 - }
1073 -
1074 - global $wpdb;
1075 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
1076 -
1077 - // If source_url is empty but we have an entry_id, look it up
1078 - if ( empty($source_url) && $entry_id > 0 && $data_source === 'wordpress' ) {
1079 - $row = $wpdb->get_row( $wpdb->prepare( "SELECT source_url FROM {$table} WHERE id = %d", $entry_id ) );
1080 - if ( $row && ! empty($row->source_url) ) {
1081 - $source_url = $row->source_url;
1082 - }
1083 - }
1084 -
1085 - // For manual entries (no source_url or mxchat:// prefix), delete the old entry by ID first
1086 - // so submit_content_to_db creates a replacement instead of a duplicate
1087 - // Also treat legacy mxchat.ai source URLs as manual — old bug assigned the site URL to manual entries
1088 - $is_legacy_manual = !empty($source_url) && strpos($source_url, 'mxchat.ai') !== false && strpos($source_url, 'mxchat://') !== 0;
1089 - if ( $entry_id > 0 && (empty($source_url) || strpos($source_url, 'mxchat://') === 0 || $is_legacy_manual) ) {
1090 - $wpdb->delete( $table, array( 'id' => $entry_id ), array( '%d' ) );
1091 - // Clear legacy URL so submit_content_to_db generates a unique mxchat:// identifier
1092 - // instead of reusing the shared URL (which would mass-delete other entries with the same URL)
1093 - if ( $is_legacy_manual ) {
1094 - $source_url = '';
1095 - }
1096 - }
1097 -
1098 - // Use the existing submit_content_to_db which handles chunking, Pinecone, and WP DB
1099 - $vector_id = ! empty($source_url) ? md5($source_url) : md5('mxchat_manual_' . $entry_id);
1100 -
1101 - // submit_content_to_db already handles: delete old chunks → re-chunk → re-embed → store
1102 - $result = MxChat_Utils::submit_content_to_db( $content, $source_url, $api_key, $vector_id, $bot_id, $content_type );
1103 -
1104 - if ( is_wp_error($result) ) {
1105 - wp_send_json_error( array( 'message' => $result->get_error_message() ) );
1106 - }
1107 -
1108 - wp_send_json_success( array( 'message' => 'Content saved and re-embedded successfully.' ) );
1109 -}
1110 -
1111 -public function mxchat_get_pdf_processing_status($pdf_url) {
1112 - $pdf_url = esc_url_raw($pdf_url);
1113 - $status = get_transient(sanitize_key('mxchat_pdf_status_' . md5($pdf_url)));
1114 -
1115 - if (!$status || !is_array($status)) {
1116 - return false;
1117 - }
1118 -
1119 - // Check for stalled processing (no updates for 5 minutes)
1120 - if ($status['status'] === 'processing' && (time() - absint($status['last_update'])) > 300) {
1121 - $status['status'] = 'error';
1122 - $status['error'] = __('PDF processing appears to be stalled. No updates for over 5 minutes.', 'mxchat');
1123 -
1124 - // Save the updated status
1125 - set_transient(
1126 - sanitize_key('mxchat_pdf_status_' . md5($pdf_url)),
1127 - array_map('sanitize_text_field', $status),
1128 - DAY_IN_SECONDS
1129 - );
1130 - }
1131 -
1132 - $result = array(
1133 - 'total_pages' => absint($status['total_pages']),
1134 - 'processed_pages' => absint($status['processed_pages']),
1135 - 'failed_pages' => absint($status['failed_pages'] ?? 0),
1136 - 'percentage' => ($status['total_pages'] > 0)
1137 - ? round((absint($status['processed_pages']) / absint($status['total_pages'])) * 100)
1138 - : 0,
1139 - 'status' => sanitize_text_field($status['status']),
1140 - 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
1141 - 'failed_pages_list' => isset($status['failed_pages_list']) ? $status['failed_pages_list'] : array(),
1142 - 'completion_summary' => isset($status['completion_summary']) ? $status['completion_summary'] : null
1143 - );
1144 -
1145 - // Add error message if present
1146 - if (isset($status['error']) && !empty($status['error'])) {
1147 - $result['error'] = sanitize_text_field($status['error']);
1148 - }
1149 -
1150 - return $result;
1151 -}
1152 -
1153 -
1154 -public function mxchat_handle_sitemap_submission() {
1155 - // Check if the form was submitted and verify permissions
1156 - if (!isset($_POST['submit_sitemap']) || !current_user_can('manage_options')) {
1157 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
1158 - }
1159 -
1160 - // Verify 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 - set_transient('mxchat_admin_notice_error',
1166 - esc_html__('Please provide a valid URL.', 'mxchat'),
1167 - 30
1168 - );
1169 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1170 - exit;
1171 - }
1172 -
1173 - $submitted_url = esc_url_raw($_POST['sitemap_url']);
1174 -
1175 - // Convert Google Drive sharing URLs to direct download URLs
1176 - if ( strpos($submitted_url, 'drive.google.com') !== false ) {
1177 - $file_id = '';
1178 - if ( preg_match('/[?&]id=([a-zA-Z0-9_-]+)/', $submitted_url, $m) ) {
1179 - $file_id = $m[1];
1180 - } elseif ( preg_match('#/file/d/([a-zA-Z0-9_-]+)#', $submitted_url, $m) ) {
1181 - $file_id = $m[1];
1182 - }
1183 - if ( ! empty($file_id) ) {
1184 - $submitted_url = 'https://drive.google.com/uc?export=download&id=' . $file_id;
1185 - }
1186 - }
1187 -
1188 - // Get bot_id from form submission
1189 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
1190 -
1191 - // Get bot-specific options and validate API key
1192 - $bot_options = $this->get_bot_options($bot_id);
1193 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1194 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
1195 -
1196 - if (strpos($selected_model, 'voyage') === 0) {
1197 - $api_key = $options['voyage_api_key'] ?? '';
1198 - $provider_name = 'Voyage AI';
1199 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
1200 - $api_key = $options['gemini_api_key'] ?? '';
1201 - $provider_name = 'Google Gemini';
1202 - } else {
1203 - $api_key = $options['api_key'] ?? '';
1204 - $provider_name = 'OpenAI';
1205 - }
1206 -
1207 - if (empty($api_key)) {
1208 - $error_message = sprintf(
1209 - esc_html__('%s API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
1210 - $provider_name
1211 - );
1212 - set_transient('mxchat_admin_notice_error', $error_message, 30);
1213 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1214 - exit;
1215 - }
1216 -
1217 - // Fetch URL — send an honest, versioned MXChat crawler UA (not a spoofed
1218 - // browser). Stale browser UAs are exactly what WAFs like SiteGround's
1219 - // ModSecurity flag as scrapers, 403-ing the fetch (including PDFs served
1220 - // from the site's own media library, which route through this same call).
1221 - // See mxchat_ingest_user_agent(). Accept is kept for content negotiation;
1222 - // the browser-only Accept-Language fingerprint is dropped so it stays
1223 - // coherent with a bot identity.
1224 - $response = wp_remote_get($submitted_url, array(
1225 - 'timeout' => 30,
1226 - 'sslverify' => false,
1227 - 'user-agent' => mxchat_ingest_user_agent(),
1228 - 'headers' => array(
1229 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
1230 - ),
1231 - ));
1232 -
1233 - if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
1234 - $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP Status: ' . wp_remote_retrieve_response_code($response);
1235 - set_transient('mxchat_admin_notice_error',
1236 - sprintf(
1237 - esc_html__('Failed to fetch the URL: %s', 'mxchat'),
1238 - esc_html($error_message)
1239 - ),
1240 - 30
1241 - );
1242 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1243 - exit;
1244 - }
1245 -
1246 - $content_type = wp_remote_retrieve_header($response, 'content-type');
1247 - $body_content = wp_remote_retrieve_body($response);
1248 -
1249 - if (empty($body_content)) {
1250 - set_transient('mxchat_admin_notice_error',
1251 - esc_html__('Empty response received from URL.', 'mxchat'),
1252 - 30
1253 - );
1254 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1255 - exit;
1256 - }
1257 -
1258 - // Handle PDF URL
1259 - if ($this->mxchat_is_pdf_url($submitted_url, $response)) {
1260 - $result = $this->mxchat_handle_pdf_for_knowledge_base($submitted_url, $response, $bot_id);
1261 -
1262 - if ($result === 'queued') {
1263 - set_transient('mxchat_admin_notice_success',
1264 - esc_html__('PDF queued for processing. Processing will start automatically.', 'mxchat'),
1265 - 30
1266 - );
1267 - } else {
1268 - set_transient('mxchat_admin_notice_error',
1269 - esc_html__('Failed to queue PDF processing: ', 'mxchat') . esc_html($result),
1270 - 30
1271 - );
1272 - }
1273 -
1274 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1275 - exit;
1276 - }
1277 -
1278 - // Handle Sitemap XML
1279 - if (strpos($content_type, 'xml') !== false || strpos($body_content, '<urlset') !== false) {
1280 - libxml_use_internal_errors(true);
1281 - $xml = simplexml_load_string($body_content);
1282 - $xml_errors = libxml_get_errors();
1283 - libxml_clear_errors();
1284 -
1285 - if ($xml === false || !empty($xml_errors)) {
1286 - set_transient('mxchat_admin_notice_error',
1287 - esc_html__('Invalid sitemap XML. Please provide a valid sitemap.', 'mxchat'),
1288 - 30
1289 - );
1290 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1291 - exit;
1292 - }
1293 -
1294 - $result = $this->mxchat_handle_sitemap_for_knowledge_base($xml, $submitted_url, $bot_id);
1295 -
1296 - if ($result === 'queued') {
1297 - set_transient('mxchat_admin_notice_success',
1298 - esc_html__('Sitemap queued for processing. Processing will start automatically.', 'mxchat'),
1299 - 30
1300 - );
1301 - } else {
1302 - set_transient('mxchat_admin_notice_error',
1303 - esc_html__('Failed to queue sitemap processing. Please check the status below for details.', 'mxchat'),
1304 - 30
1305 - );
1306 - }
1307 -
1308 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1309 - exit;
1310 - }
1311 -
1312 - // Handle Regular URL (single page)
1313 - $page_content = $this->mxchat_extract_main_content($body_content);
1314 - $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
1315 -
1316 - //error_log('[MXCHAT-URL-DEBUG] URL: ' . $submitted_url);
1317 - //error_log('[MXCHAT-URL-DEBUG] Extracted page_content length: ' . strlen($page_content));
1318 - //error_log('[MXCHAT-URL-DEBUG] Sanitized content length: ' . strlen($sanitized_content));
1319 - //error_log('[MXCHAT-URL-DEBUG] Content preview: ' . substr($sanitized_content, 0, 500));
1320 -
1321 - if (empty($sanitized_content)) {
1322 - set_transient('mxchat_admin_notice_error',
1323 - esc_html__('No valid content found on the provided URL.', 'mxchat'),
1324 - 30
1325 - );
1326 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1327 - exit;
1328 - }
1329 -
1330 - // For single URLs, process immediately using submit_content_to_db
1331 - // This handles chunking automatically for large content
1332 - $db_result = MxChat_Utils::submit_content_to_db(
1333 - $sanitized_content,
1334 - $submitted_url,
1335 - $api_key,
1336 - null,
1337 - $bot_id,
1338 - 'url' // content_type
1339 - );
1340 -
1341 - if (is_wp_error($db_result)) {
1342 - $error_message = esc_html__('Failed to store content in database: ', 'mxchat') . esc_html($db_result->get_error_message());
1343 - set_transient('mxchat_admin_notice_error', $error_message, 30);
1344 - } else {
1345 - $success_message = esc_html__('URL content successfully submitted!', 'mxchat');
1346 - set_transient('mxchat_admin_notice_success', $success_message, 30);
1347 - }
1348 -
1349 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1350 - exit;
1351 -}
1352 -
1353 -
1354 -public function mxchat_get_single_url_status() {
1355 - $status = get_transient('mxchat_single_url_status');
1356 - if (!$status) {
1357 - return null;
1358 - }
1359 -
1360 - // Add human-readable time
1361 - if (isset($status['timestamp'])) {
1362 - $status['human_time'] = human_time_diff(strtotime($status['timestamp']), current_time('timestamp')) . ' ' . __('ago', 'mxchat');
1363 - }
1364 -
1365 - return $status;
1366 -}
1367 -
1368 -public function mxchat_handle_sitemap_for_knowledge_base($xml, $sitemap_url, $bot_id = 'default') {
1369 - if (!current_user_can('manage_options')) {
1370 - return false;
1371 - }
1372 -
1373 - try {
1374 - $sitemap_url = esc_url_raw($sitemap_url);
1375 -
1376 - if (!$xml || !is_object($xml)) {
1377 - throw new Exception(__('Invalid XML object provided', 'mxchat'));
1378 - }
1379 -
1380 - // Get bot-specific embedding API for validation
1381 - $bot_options = $this->get_bot_options($bot_id);
1382 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1383 -
1384 - // Test the embedding API before processing
1385 - $test_phrase = "Test embedding generation for MxChat";
1386 - $test_result = $this->mxchat_generate_embedding($test_phrase, $bot_id);
1387 -
1388 - if (is_string($test_result)) {
1389 - throw new Exception(__('Embedding API validation failed: ', 'mxchat') . $test_result);
1390 - }
1391 -
1392 - if (!is_array($test_result)) {
1393 - throw new Exception(__('Embedding API returned unexpected result type. Please check your configuration.', 'mxchat'));
1394 - }
1395 -
1396 - // Extract URLs from sitemap
1397 - $urls = array();
1398 - foreach ($xml->url as $url_element) {
1399 - $url = esc_url_raw((string)$url_element->loc);
1400 - if ($url) {
1401 - $urls[] = array('url' => $url);
1402 - }
1403 - }
1404 -
1405 - $total_urls = count($urls);
1406 -
1407 - if ($total_urls < 1) {
1408 - throw new Exception(__('No valid URLs found in sitemap', 'mxchat'));
1409 - }
1410 -
1411 - // Create unique queue ID
1412 - $queue_id = 'sitemap_' . md5($sitemap_url . time());
1413 -
1414 - // Add URLs to queue
1415 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'url', $urls, $bot_id);
1416 -
1417 - if ($queued_count === 0) {
1418 - throw new Exception(__('Failed to add URLs to processing queue', 'mxchat'));
1419 - }
1420 -
1421 - // Store queue metadata
1422 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $sitemap_url);
1423 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'sitemap');
1424 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_urls);
1425 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
1426 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
1427 -
1428 - // Store queue ID in transient for status tracking
1429 - set_transient('mxchat_active_queue_sitemap', $queue_id, DAY_IN_SECONDS);
1430 - set_transient('mxchat_last_sitemap_url', $sitemap_url, DAY_IN_SECONDS);
1431 -
1432 - return 'queued';
1433 -
1434 - } catch (Exception $e) {
1435 - $error_message = $e->getMessage();
1436 - //error_log(sprintf(esc_html__('Error preparing sitemap for processing: %s', 'mxchat'), esc_html($error_message)));
1437 -
1438 - return $error_message;
1439 - }
1440 -
1441 -}
1442 -
1443 -/**
1444 - * Remove shortcode tags but preserve the content inside them
1445 - * Example: [vc_column]Hello World[/vc_column] becomes "Hello World"
1446 - *
1447 - * @param string $content The content containing shortcodes
1448 - * @return string Content with shortcode tags removed but inner content preserved
1449 - */
1450 -private function strip_shortcode_tags_preserve_content($content) {
1451 - // Single-pass regex removes all shortcode brackets: [tag], [tag attr="val"], [/tag], [tag /]
1452 - // Content between tags is inherently preserved since only brackets are targeted
1453 - $result = preg_replace('/\[\/?\w[\w-]*[^\]]*\]/', '', $content);
1454 - return ($result !== null) ? $result : $content;
1455 -}
1456 -
1457 -public function mxchat_sanitize_content_for_api($content) {
1458 - //error_log('[MXCHAT-SANITIZE] Original content preview: ' . substr($content, 0, 500) . '...');
1459 -
1460 - // Remove shortcode tags but PRESERVE content inside them
1461 - $content = $this->strip_shortcode_tags_preserve_content($content);
1462 -
1463 - // Remove script, style tags, and HTML comments
1464 - $content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $content);
1465 - $content = preg_replace('/<style\b[^>]*>(.*?)<\/style>/is', '', $content);
1466 - $content = preg_replace('/<!--(.|\s)*?-->/', '', $content);
1467 -
1468 - // Remove all HTML tags and decode HTML entities
1469 - $content = wp_strip_all_tags($content);
1470 - $content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5);
1471 -
1472 - // Normalize whitespace but preserve paragraph breaks
1473 - // First, normalize line endings to \n
1474 - $content = str_replace(["\r\n", "\r"], "\n", $content);
1475 - // Replace multiple spaces/tabs with single space, but preserve newlines
1476 - $content = preg_replace('/[ \t]+/', ' ', $content);
1477 - // Replace 3+ newlines with 2 newlines (max 2 blank lines)
1478 - $content = preg_replace('/\n{3,}/', "\n\n", $content);
1479 - // Trim each line
1480 - $lines = explode("\n", $content);
1481 - $lines = array_map('trim', $lines);
1482 - $content = implode("\n", $lines);
1483 - // Final trim
1484 - $content = trim($content);
1485 -
1486 - // Remove control characters (which can cause database issues) but preserve \n (0x0A) and \r (0x0D)
1487 - $content = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/u', '', $content);
1488 -
1489 - // Remove NULL bytes which can cause database errors
1490 - $content = str_replace("\0", "", $content);
1491 -
1492 - // Ensure valid UTF-8 encoding
1493 - $content = wp_check_invalid_utf8($content);
1494 -
1495 - // Remove any extremely long strings without spaces (often garbage)
1496 - $content = preg_replace('/\S{300,}/', ' ', $content);
1497 -
1498 - // Replace problematic characters that often cause database issues
1499 - $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); // Remove emoji and other high Unicode characters
1500 -
1501 - // Replace any remaining potentially problematic characters with spaces
1502 - // BUT preserve newlines by temporarily replacing them
1503 - $content = str_replace("\n", "NEWLINE_PLACEHOLDER", $content);
1504 - $content = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\p{Sm}]/u', ' ', $content);
1505 - $content = str_replace("NEWLINE_PLACEHOLDER", "\n", $content);
1506 -
1507 - // Limit to reasonable length if needed
1508 - $max_length = 65000; // Just under MySQL TEXT field limit
1509 - if (strlen($content) > $max_length) {
1510 - $content = substr($content, 0, $max_length);
1511 - }
1512 -
1513 - //error_log('[MXCHAT-SANITIZE] Sanitized content preview: ' . substr($content, 0, 500) . '...');
1514 - return $content;
1515 -}
1516 -public function mxchat_extract_main_content($html) {
1517 - if (empty($html)) {
1518 - return '';
1519 - }
1520 - try {
1521 - $dom = new DOMDocument;
1522 - libxml_use_internal_errors(true); // Suppress HTML parsing errors
1523 - @$dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
1524 - $xpath = new DOMXPath($dom);
1525 -
1526 - // For debugging purposes
1527 - $debugEnabled = true; // Set to true to enable debugging output
1528 - $debug = function($message) use ($debugEnabled) {
1529 - if ($debugEnabled) {
1530 - //error_log('[MXCHAT-EXTRACT-DEBUG] ' . $message);
1531 - }
1532 - };
1533 -
1534 - // Direct targeting for Gerow theme posts
1535 - $post_text = $xpath->query('//div[contains(@class, "post-text")]');
1536 - if ($post_text && $post_text->length > 0) {
1537 - $debug("Found post-text directly");
1538 - $content = '';
1539 - foreach ($post_text as $node) {
1540 - $content .= $dom->saveHTML($node);
1541 - }
1542 - if (!empty($content)) {
1543 - $debug("Returning post-text content");
1544 - return $content;
1545 - }
1546 - }
1547 -
1548 - // Try to get the blog details content which contains the post-text
1549 - $blog_details = $xpath->query('//div[contains(@class, "blog-details-content")]');
1550 - if ($blog_details && $blog_details->length > 0) {
1551 - $debug("Found blog-details-content");
1552 - $content = '';
1553 - foreach ($blog_details as $node) {
1554 - $content .= $dom->saveHTML($node);
1555 - }
1556 - if (!empty($content)) {
1557 - $debug("Returning blog-details-content");
1558 - return $content;
1559 - }
1560 - }
1561 -
1562 - // Try to get the article which contains the blog details
1563 - $article = $xpath->query('//article[contains(@class, "blog-details-wrap")]');
1564 - if ($article && $article->length > 0) {
1565 - $debug("Found article with blog-details-wrap");
1566 - $content = '';
1567 - foreach ($article as $node) {
1568 - $content .= $dom->saveHTML($node);
1569 - }
1570 - if (!empty($content)) {
1571 - $debug("Returning article content");
1572 - return $content;
1573 - }
1574 - }
1575 -
1576 - // Try even broader with the blog-item-wrap
1577 - $blog_item = $xpath->query('//div[contains(@class, "blog-item-wrap")]');
1578 - if ($blog_item && $blog_item->length > 0) {
1579 - $debug("Found blog-item-wrap");
1580 - $content = '';
1581 - foreach ($blog_item as $node) {
1582 - $content .= $dom->saveHTML($node);
1583 - }
1584 - if (!empty($content)) {
1585 - $debug("Returning blog-item-wrap content");
1586 - return $content;
1587 - }
1588 - }
1589 -
1590 - // Specific Gerow theme path
1591 - $gerow_path = $xpath->query('//section[contains(@class, "blog-area")]//div[contains(@class, "post-text")]');
1592 - if ($gerow_path && $gerow_path->length > 0) {
1593 - $debug("Found Gerow theme path to post-text");
1594 - $content = '';
1595 - foreach ($gerow_path as $node) {
1596 - $content .= $dom->saveHTML($node);
1597 - }
1598 - if (!empty($content)) {
1599 - $debug("Returning Gerow post-text content");
1600 - return $content;
1601 - }
1602 - }
1603 -
1604 - // Generic blog post selectors
1605 - $selectors = [
1606 - // Blog post specific selectors
1607 - '//div[contains(@class, "post-text")]',
1608 - '//article[contains(@class, "blog-post-item")]//div[contains(@class, "post-text")]',
1609 - '//div[contains(@class, "blog-details-content")]',
1610 - '//article[contains(@class, "blog-details-wrap")]',
1611 - '//div[contains(@class, "entry-content")]',
1612 - '//div[contains(@class, "blog-content")]',
1613 - '//div[contains(@class, "blog-item-wrap")]',
1614 -
1615 - // More general content selectors
1616 - '//div[contains(@class, "page__content")]',
1617 - '//div[contains(@class, "elementor-widget-container")]',
1618 - '//div[contains(@class, "elementor-text-editor")]',
1619 - '//div[contains(@class, "elementor-widget-text-editor")]',
1620 - '//*[contains(@class, "entry-content")]',
1621 - '//*[contains(@class, "post-content")]',
1622 - '//*[contains(@class, "article-content")]',
1623 - '//*[@id="content"]',
1624 - '//*[@id="main-content"]',
1625 - '//section[contains(@class, "blog-area")]',
1626 - '//article',
1627 - '//main',
1628 - '//div[contains(@class, "content")]'
1629 - ];
1630 -
1631 - // First handle Elementor content - get only leaf widget containers to avoid duplicates
1632 - $debug("Checking for Elementor content");
1633 - // Get widget containers that are direct children of widgets (not nested inside other widget containers)
1634 - $elementor_widgets = $xpath->query('//div[contains(@class, "elementor-widget")]//div[contains(@class, "elementor-widget-container")]');
1635 - if ($elementor_widgets && $elementor_widgets->length > 0) {
1636 - $debug("Found Elementor widgets");
1637 - $seen_content = array(); // Track seen content to avoid duplicates
1638 - $combined_content = '';
1639 - foreach ($elementor_widgets as $widget) {
1640 - $widget_content = $dom->saveHTML($widget);
1641 - if (!empty($widget_content)) {
1642 - // Create a hash of the content to detect duplicates
1643 - $content_hash = md5($widget_content);
1644 - if (!isset($seen_content[$content_hash])) {
1645 - $seen_content[$content_hash] = true;
1646 - $combined_content .= $widget_content;
1647 - }
1648 - }
1649 - }
1650 - if (!empty($combined_content)) {
1651 - $debug("Returning Elementor content");
1652 - return $combined_content;
1653 - }
1654 - }
1655 -
1656 - // Try standard selectors one by one
1657 - foreach ($selectors as $selector) {
1658 - $debug("Trying selector: " . $selector);
1659 - $nodes = $xpath->query($selector);
1660 - if ($nodes && $nodes->length > 0) {
1661 - $debug("Found " . $nodes->length . " matches for selector: " . $selector);
1662 - // Only take the FIRST matching node to avoid duplicate content
1663 - // (pages often have nested or multiple containers with same class)
1664 - $content = $dom->saveHTML($nodes->item(0));
1665 - if (!empty($content)) {
1666 - $debug("Returning content from selector: " . $selector . " (first match only)");
1667 - return $content;
1668 - }
1669 - }
1670 - }
1671 -
1672 - // Manual regex fallback for post-text if DOM methods fail
1673 - $debug("Trying regex fallback");
1674 - if (preg_match('/<div class="post-text">(.*?)<\/div>\s*<\/div>\s*<\/div>/s', $html, $matches)) {
1675 - $debug("Found post-text via regex");
1676 - return '<div class="post-text">' . $matches[1] . '</div>';
1677 - }
1678 -
1679 - // Try to extract the blog section as a whole
1680 - $blog_section = $xpath->query('//section[contains(@class, "blog-area")]');
1681 - if ($blog_section && $blog_section->length > 0) {
1682 - $debug("Found blog-area section");
1683 - $content = '';
1684 - foreach ($blog_section as $node) {
1685 - $content .= $dom->saveHTML($node);
1686 - }
1687 - if (!empty($content)) {
1688 - $debug("Returning blog-area section content");
1689 - return $content;
1690 - }
1691 - }
1692 -
1693 - // Generic container selectors for non-CMS sites (like .asp pages)
1694 - $debug("Trying generic container selectors");
1695 - $generic_selectors = [
1696 - '//div[@id="main"]',
1697 - '//div[@id="wrapper"]',
1698 - '//div[@id="page"]',
1699 - '//div[@id="site-content"]',
1700 - '//div[contains(@class, "main-content")]',
1701 - '//div[contains(@class, "page-content")]',
1702 - '//div[contains(@class, "site-content")]',
1703 - ];
1704 -
1705 - foreach ($generic_selectors as $selector) {
1706 - $debug("Trying generic selector: " . $selector);
1707 - $nodes = $xpath->query($selector);
1708 - if ($nodes && $nodes->length > 0) {
1709 - $content = $dom->saveHTML($nodes->item(0));
1710 - if (!empty($content)) {
1711 - $debug("Returning content from generic selector: " . $selector);
1712 - return $content;
1713 - }
1714 - }
1715 - }
1716 -
1717 - // Paragraph-based content detection - find regions with substantial text
1718 - $debug("Trying paragraph-based content detection");
1719 - $paragraphs = $xpath->query('//p[string-length(normalize-space()) > 50]');
1720 - if ($paragraphs && $paragraphs->length >= 3) {
1721 - $debug("Found " . $paragraphs->length . " substantial paragraphs");
1722 - // Collect all substantial paragraphs and their content
1723 - $paragraph_content = '';
1724 - foreach ($paragraphs as $p) {
1725 - $paragraph_content .= $dom->saveHTML($p) . "\n";
1726 - }
1727 - if (!empty($paragraph_content)) {
1728 - $debug("Returning paragraph-based content");
1729 - return $paragraph_content;
1730 - }
1731 - }
1732 -
1733 - // Improved body fallback - strip nav/header/footer elements first
1734 - $debug("Using improved body fallback");
1735 - $body = $dom->getElementsByTagName('body');
1736 - if ($body->length > 0) {
1737 - // Clone the body to avoid modifying the original DOM
1738 - $body_clone = $body->item(0)->cloneNode(true);
1739 -
1740 - // Remove common non-content elements by tag name
1741 - $remove_tags = ['nav', 'header', 'footer', 'aside', 'script', 'style', 'noscript'];
1742 - foreach ($remove_tags as $tag) {
1743 - $elements = $body_clone->getElementsByTagName($tag);
1744 - // Iterate backwards to safely remove elements
1745 - for ($i = $elements->length - 1; $i >= 0; $i--) {
1746 - $el = $elements->item($i);
1747 - if ($el && $el->parentNode) {
1748 - $el->parentNode->removeChild($el);
1749 - }
1750 - }
1751 - }
1752 -
1753 - // Remove elements with common non-content class names using XPath on the cloned body
1754 - $temp_dom = new DOMDocument();
1755 - @$temp_dom->appendChild($temp_dom->importNode($body_clone, true));
1756 - $temp_xpath = new DOMXPath($temp_dom);
1757 -
1758 - $remove_class_patterns = [
1759 - '//*[contains(@class, "nav")]',
1760 - '//*[contains(@class, "menu")]',
1761 - '//*[contains(@class, "sidebar")]',
1762 - '//*[contains(@class, "footer")]',
1763 - '//*[contains(@class, "header")]',
1764 - '//*[contains(@id, "nav")]',
1765 - '//*[contains(@id, "menu")]',
1766 - '//*[contains(@id, "sidebar")]',
1767 - '//*[contains(@id, "footer")]',
1768 - '//*[contains(@id, "header")]',
1769 - ];
1770 -
1771 - foreach ($remove_class_patterns as $pattern) {
1772 - $elements = $temp_xpath->query($pattern);
1773 - if ($elements) {
1774 - for ($i = $elements->length - 1; $i >= 0; $i--) {
1775 - $el = $elements->item($i);
1776 - if ($el && $el->parentNode) {
1777 - $el->parentNode->removeChild($el);
1778 - }
1779 - }
1780 - }
1781 - }
1782 -
1783 - $cleaned_content = $temp_dom->saveHTML();
1784 - if (!empty($cleaned_content)) {
1785 - $debug("Returning cleaned body content");
1786 - return $cleaned_content;
1787 - }
1788 - }
1789 -
1790 - // Last resort: return the original HTML
1791 - $debug("Returning original HTML");
1792 - return $html;
1793 - } catch (Exception $e) {
1794 - //error_log('[MXCHAT-ERROR] Content extraction failed: ' . $e->getMessage());
1795 - return $html; // Return original HTML if parsing fails
1796 - } finally {
1797 - libxml_clear_errors();
1798 - }
1799 -}
1800 -public function mxchat_get_sitemap_processing_status($sitemap_url) {
1801 - $sitemap_url = esc_url_raw($sitemap_url);
1802 - $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
1803 - $status = get_transient($status_key);
1804 -
1805 - if (!$status || !is_array($status)) {
1806 - return false;
1807 - }
1808 -
1809 - // Auto-complete check: if all URLs are processed but status isn't complete
1810 - if (isset($status['processed_urls']) && isset($status['total_urls']) &&
1811 - $status['processed_urls'] >= $status['total_urls'] &&
1812 - isset($status['status']) && $status['status'] !== 'complete' &&
1813 - $status['status'] !== 'error') {
1814 -
1815 - // Mark as complete
1816 - $status['status'] = 'complete';
1817 - $status['processed_urls'] = $status['total_urls']; // Ensure exact match
1818 -
1819 - // Update the transient with the corrected status
1820 - set_transient($status_key, $status, DAY_IN_SECONDS);
1821 - }
1822 -
1823 - return array(
1824 - 'total_urls' => absint($status['total_urls']),
1825 - 'processed_urls' => absint($status['processed_urls']),
1826 - 'failed_urls' => absint($status['failed_urls'] ?? 0),
1827 - 'percentage' => ($status['total_urls'] > 0)
1828 - ? round((absint($status['processed_urls']) / absint($status['total_urls'])) * 100)
1829 - : 0,
1830 - 'status' => sanitize_text_field($status['status']),
1831 - 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
1832 - 'error' => isset($status['error']) ? sanitize_text_field($status['error']) : '',
1833 - 'last_error' => isset($status['last_error']) ? sanitize_text_field($status['last_error']) : '',
1834 - 'failed_urls_list' => isset($status['failed_urls_list']) ? $status['failed_urls_list'] : array()
1835 - );
1836 -}
1837 -
1838 -public function mxchat_ajax_get_status_updates() {
1839 - try {
1840 - // Verify the request
1841 - check_ajax_referer('mxchat_status_nonce', 'nonce');
1842 -
1843 - // Get active queue IDs
1844 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
1845 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
1846 -
1847 - $sitemap_status = false;
1848 - $pdf_status = false;
1849 -
1850 - // Get sitemap queue status
1851 - if ($sitemap_queue_id) {
1852 - $sitemap_status = $this->mxchat_get_queue_status_data($sitemap_queue_id, 'sitemap');
1853 - }
1854 -
1855 - // Get PDF queue status
1856 - if ($pdf_queue_id) {
1857 - $pdf_status = $this->mxchat_get_queue_status_data($pdf_queue_id, 'pdf');
1858 - }
1859 -
1860 - $is_active_processing =
1861 - ($sitemap_status && $sitemap_status['status'] === 'processing') ||
1862 - ($pdf_status && $pdf_status['status'] === 'processing');
1863 -
1864 - // Return JSON response with the status data
1865 - wp_send_json(array(
1866 - 'pdf_status' => $pdf_status,
1867 - 'sitemap_status' => $sitemap_status,
1868 - 'is_processing' => $is_active_processing,
1869 - 'sitemap_queue_id' => $sitemap_queue_id,
1870 - 'pdf_queue_id' => $pdf_queue_id
1871 - ));
1872 -
1873 - } catch (Exception $e) {
1874 - //error_log('MxChat Status Update Error: ' . $e->getMessage());
1875 -
1876 - wp_send_json_error(array(
1877 - 'message' => 'Error getting status updates: ' . $e->getMessage(),
1878 - 'status' => 'error'
1879 - ));
1880 - }
1881 -}
1882 -
1883 -/**
1884 - * Helper function to get queue status data
1885 - */
1886 -private function mxchat_get_queue_status_data($queue_id, $type = 'sitemap') {
1887 - global $wpdb;
1888 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
1889 -
1890 - // Get counts by status
1891 - $counts = $wpdb->get_results($wpdb->prepare(
1892 - "SELECT status, COUNT(*) as count
1893 - FROM $table_name
1894 - WHERE queue_id = %s
1895 - GROUP BY status",
1896 - $queue_id
1897 - ), OBJECT_K);
1898 -
1899 - $total = 0;
1900 - $completed = 0;
1901 - $failed = 0;
1902 - $processing = 0;
1903 - $pending = 0;
1904 -
1905 - foreach ($counts as $status => $data) {
1906 - $count = absint($data->count);
1907 - $total += $count;
1908 -
1909 - switch ($status) {
1910 - case 'completed':
1911 - $completed = $count;
1912 - break;
1913 - case 'failed':
1914 - $failed = $count;
1915 - break;
1916 - case 'processing':
1917 - $processing = $count;
1918 - break;
1919 - case 'pending':
1920 - $pending = $count;
1921 - break;
1922 - }
1923 - }
1924 -
1925 - if ($total === 0) {
1926 - return false;
1927 - }
1928 -
1929 - // Calculate percentage
1930 - $percentage = round((($completed + $failed) / $total) * 100);
1931 -
1932 - // Get failed items details (limit to 50)
1933 - $failed_items = array();
1934 - if ($failed > 0) {
1935 - $failed_results = $wpdb->get_results($wpdb->prepare(
1936 - "SELECT item_type, item_data, error_message, attempts, completed_at
1937 - FROM $table_name
1938 - WHERE queue_id = %s
1939 - AND status = 'failed'
1940 - AND attempts >= max_attempts
1941 - ORDER BY id DESC
1942 - LIMIT 50",
1943 - $queue_id
1944 - ));
1945 -
1946 - foreach ($failed_results as $item) {
1947 - $data = json_decode($item->item_data, true);
1948 - $url = $type === 'pdf' ? ($data['pdf_url'] ?? '') : ($data['url'] ?? '');
1949 -
1950 - $failed_items[] = array(
1951 - 'url' => $url,
1952 - 'page' => $type === 'pdf' ? ($data['page_number'] ?? 0) : 0,
1953 - 'error' => $item->error_message,
1954 - 'retries' => $item->attempts,
1955 - 'time' => strtotime($item->completed_at)
1956 - );
1957 - }
1958 - }
1959 -
1960 - // Get queue metadata
1961 - $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
1962 -
1963 - // Determine if queue is complete
1964 - $is_complete = ($pending === 0 && $processing === 0);
1965 -
1966 - // Get last update time
1967 - $last_update = $wpdb->get_var($wpdb->prepare(
1968 - "SELECT MAX(UNIX_TIMESTAMP(COALESCE(completed_at, started_at, created_at)))
1969 - FROM $table_name
1970 - WHERE queue_id = %s",
1971 - $queue_id
1972 - ));
1973 -
1974 - $last_update_text = $last_update ? human_time_diff($last_update, time()) . ' ' . __('ago', 'mxchat') : __('Just now', 'mxchat');
1975 -
1976 - // Format based on type
1977 - if ($type === 'pdf') {
1978 - return array(
1979 - 'total_pages' => $total,
1980 - 'processed_pages' => $completed + $failed,
1981 - 'failed_pages' => $failed,
1982 - 'percentage' => $percentage,
1983 - 'status' => $is_complete ? 'complete' : 'processing',
1984 - 'last_update' => $last_update_text,
1985 - 'failed_pages_list' => $failed_items,
1986 - 'pdf_url' => $source_url,
1987 - 'queue_id' => $queue_id
1988 - );
1989 - } else {
1990 - return array(
1991 - 'total_urls' => $total,
1992 - 'processed_urls' => $completed + $failed,
1993 - 'failed_urls' => $failed,
1994 - 'percentage' => $percentage,
1995 - 'status' => $is_complete ? 'complete' : 'processing',
1996 - 'last_update' => $last_update_text,
1997 - 'failed_urls_list' => $failed_items,
1998 - 'sitemap_url' => $source_url,
1999 - 'queue_id' => $queue_id
2000 - );
2001 - }
2002 -}
2003 -
2004 -/**
2005 - * Public method to get processing status for both sitemap and PDF queues
2006 - * Used by admin pages to display processing status
2007 - *
2008 - * @return array Array with 'sitemap_status', 'pdf_status', and 'is_processing' keys
2009 - */
2010 -public function mxchat_get_processing_statuses() {
2011 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
2012 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
2013 -
2014 - $sitemap_status = false;
2015 - $pdf_status = false;
2016 -
2017 - if ($sitemap_queue_id) {
2018 - $sitemap_status = $this->mxchat_get_queue_status_data($sitemap_queue_id, 'sitemap');
2019 - }
2020 -
2021 - if ($pdf_queue_id) {
2022 - $pdf_status = $this->mxchat_get_queue_status_data($pdf_queue_id, 'pdf');
2023 - }
2024 -
2025 - $is_processing =
2026 - ($sitemap_status && $sitemap_status['status'] === 'processing') ||
2027 - ($pdf_status && $pdf_status['status'] === 'processing');
2028 -
2029 - return array(
2030 - 'sitemap_status' => $sitemap_status,
2031 - 'pdf_status' => $pdf_status,
2032 - 'is_processing' => $is_processing
2033 - );
2034 -}
2035 -
2036 -/**
2037 - * AJAX handler to get recent knowledge entries for real-time table updates
2038 - * UPDATED: Now supports both WordPress DB and Pinecone data sources
2039 - */
2040 -public function ajax_mxchat_get_recent_entries() {
2041 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
2042 -
2043 - if (!current_user_can('manage_options')) {
2044 - wp_send_json_error(array('message' => 'Unauthorized'));
2045 - return;
2046 - }
2047 -
2048 - global $wpdb;
2049 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2050 -
2051 - // Get parameters
2052 - $last_id = isset($_POST['last_id']) ? absint($_POST['last_id']) : 0;
2053 - $limit = isset($_POST['limit']) ? min(absint($_POST['limit']), 50) : 10;
2054 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
2055 -
2056 - // Check if Pinecone is enabled for this bot
2057 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
2058 - $pinecone_options = $pinecone_manager ? $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id) : array();
2059 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2060 - $has_pinecone_api = !empty($pinecone_options['mxchat_pinecone_api_key']);
2061 -
2062 - if ($use_pinecone && $has_pinecone_api) {
2063 - // PINECONE DATA SOURCE - Get grouped entry count (not raw vector count)
2064 - // Use mxchat_fetch_pinecone_records which returns total_unique_entries
2065 - $records = $pinecone_manager->mxchat_fetch_pinecone_records($pinecone_options, '', 1, 10, $bot_id, '');
2066 - $total_count = $records['total'] ?? 0;
2067 -
2068 - // For Pinecone, we don't return individual entries during polling
2069 - // (entries are already displayed on page load via mxchat_fetch_pinecone_records)
2070 - // We just return the updated count
2071 - wp_send_json_success(array(
2072 - 'entries' => array(),
2073 - 'total_count' => absint($total_count),
2074 - 'max_id' => $last_id,
2075 - 'data_source' => 'pinecone'
2076 - ));
2077 - return;
2078 - }
2079 -
2080 - // WORDPRESS DB DATA SOURCE
2081 - // Build query to get entries newer than last_id
2082 - $where_clauses = array('1=1');
2083 - $where_values = array();
2084 -
2085 - if ($last_id > 0) {
2086 - $where_clauses[] = 'id > %d';
2087 - $where_values[] = $last_id;
2088 - }
2089 -
2090 - // Note: WordPress DB table doesn't have bot_id column
2091 - // Multi-bot filtering is handled via Pinecone namespaces
2092 -
2093 - $where_sql = implode(' AND ', $where_clauses);
2094 -
2095 - // Get recent entries
2096 - $query = "SELECT id, article_content, source_url, timestamp
2097 - FROM $table_name
2098 - WHERE $where_sql
2099 - ORDER BY id DESC
2100 - LIMIT %d";
2101 -
2102 - $where_values[] = $limit;
2103 -
2104 - $entries = $wpdb->get_results($wpdb->prepare($query, $where_values));
2105 -
2106 - // Get total count of GROUPED entries (by source_url) - matches pagination display
2107 - // Count unique source_urls (excluding mxchat:// internal refs) + count of ungrouped rows
2108 - $total_count = $wpdb->get_var(
2109 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} WHERE source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2110 - (SELECT COUNT(*) FROM {$table_name} WHERE source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')"
2111 - );
2112 -
2113 - // Format entries for response
2114 - $formatted_entries = array();
2115 - $preview_length = 150;
2116 - foreach ($entries as $entry) {
2117 - // Parse chunk metadata using the proper chunker method (same as initial page load)
2118 - if (class_exists('MxChat_Chunker')) {
2119 - $chunk_meta = MxChat_Chunker::parse_stored_chunk($entry->article_content);
2120 - $display_content = $chunk_meta['text'];
2121 - $chunk_metadata = $chunk_meta['metadata'];
2122 - } else {
2123 - $display_content = $entry->article_content;
2124 - $chunk_metadata = array();
2125 - }
2126 -
2127 - $content_preview = mb_strlen($display_content) > $preview_length
2128 - ? mb_substr($display_content, 0, $preview_length) . '...'
2129 - : $display_content;
2130 -
2131 - $formatted_entries[] = array(
2132 - 'id' => $entry->id,
2133 - 'preview' => esc_html($content_preview),
2134 - 'full_content' => wp_kses_post(wpautop($display_content)),
2135 - 'content_length' => mb_strlen($display_content),
2136 - 'preview_length' => $preview_length,
2137 - 'source_url' => $entry->source_url,
2138 - 'has_link' => !empty($entry->source_url) && strpos($entry->source_url, 'mxchat://') !== 0,
2139 - 'chunk_metadata' => $chunk_metadata,
2140 - 'bot_id' => $entry->bot_id ?? 'default',
2141 - 'edit_nonce' => wp_create_nonce('mxchat_edit_entry_nonce'),
2142 - 'delete_nonce' => wp_create_nonce('mxchat_delete_prompt_nonce')
2143 - );
2144 - }
2145 -
2146 - wp_send_json_success(array(
2147 - 'entries' => $formatted_entries,
2148 - 'total_count' => absint($total_count),
2149 - 'max_id' => !empty($entries) ? $entries[0]->id : $last_id,
2150 - 'data_source' => 'wordpress'
2151 - ));
2152 -}
2153 -
2154 -/**
2155 - * Get Pinecone total count from stats API
2156 - * Helper function for ajax_mxchat_get_recent_entries
2157 - */
2158 -private function mxchat_get_pinecone_count_from_stats($pinecone_options) {
2159 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2160 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2161 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
2162 -
2163 - if (empty($api_key) || empty($host)) {
2164 - return 0;
2165 - }
2166 -
2167 - try {
2168 - $stats_url = "https://{$host}/describe_index_stats";
2169 -
2170 - $response = wp_remote_post($stats_url, array(
2171 - 'headers' => array(
2172 - 'Api-Key' => $api_key,
2173 - 'Content-Type' => 'application/json'
2174 - ),
2175 - 'body' => '{}',
2176 - 'timeout' => 10
2177 - ));
2178 -
2179 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
2180 - $body = wp_remote_retrieve_body($response);
2181 - $stats_data = json_decode($body, true);
2182 -
2183 - // If namespace is specified, get count from that specific namespace
2184 - if (!empty($namespace) && isset($stats_data['namespaces'][$namespace]['vectorCount'])) {
2185 - return intval($stats_data['namespaces'][$namespace]['vectorCount']);
2186 - }
2187 -
2188 - // If no namespace specified or namespace not found in response, use total
2189 - return intval($stats_data['totalVectorCount'] ?? 0);
2190 - }
2191 -
2192 - return 0;
2193 -
2194 - } catch (Exception $e) {
2195 - return 0;
2196 - }
2197 -}
2198 -
2199 -/**
2200 - * AJAX handler to refresh Pinecone entries table via AJAX
2201 - * Returns the table HTML for updating the UI without a full page reload
2202 - */
2203 -public function ajax_mxchat_refresh_pinecone_entries() {
2204 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
2205 -
2206 - if (!current_user_can('manage_options')) {
2207 - wp_send_json_error(array('message' => 'Unauthorized'));
2208 - return;
2209 - }
2210 -
2211 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
2212 - $page = isset($_POST['page']) ? absint($_POST['page']) : 1;
2213 - $per_page = 25;
2214 - $search_query = isset($_POST['search']) ? sanitize_text_field($_POST['search']) : '';
2215 - $content_type_filter = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : '';
2216 -
2217 - // Get Pinecone manager and options
2218 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
2219 - if (!$pinecone_manager) {
2220 - wp_send_json_error(array('message' => 'Pinecone manager not available'));
2221 - return;
2222 - }
2223 -
2224 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
2225 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2226 - $pinecone_api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2227 -
2228 - if (!$use_pinecone || empty($pinecone_api_key)) {
2229 - wp_send_json_error(array('message' => 'Pinecone not configured'));
2230 - return;
2231 - }
2232 -
2233 - // Fetch records from Pinecone
2234 - $records = $pinecone_manager->mxchat_fetch_pinecone_records($pinecone_options, $search_query, $page, $per_page, $bot_id, $content_type_filter);
2235 - $prompts = $records['data'] ?? array();
2236 - $total_records = $records['total'] ?? 0;
2237 -
2238 - // Preprocess Pinecone records — set chunk_metadata and display_content
2239 - // (matches admin-knowledge-page.php preprocessing)
2240 - foreach ($prompts as $prompt) {
2241 - if (isset($prompt->chunk_index) && $prompt->chunk_index !== null) {
2242 - $prompt->chunk_metadata = array(
2243 - 'chunk_index' => intval($prompt->chunk_index),
2244 - 'total_chunks' => isset($prompt->total_chunks) ? intval($prompt->total_chunks) : null,
2245 - 'is_chunked' => isset($prompt->is_chunked) ? (bool) $prompt->is_chunked : true,
2246 - 'source_url' => $prompt->source_url ?? ''
2247 - );
2248 - $prompt->display_content = $prompt->article_content;
2249 - } else {
2250 - $prompt->chunk_metadata = array();
2251 - $prompt->display_content = $prompt->article_content ?? '';
2252 - }
2253 - }
2254 -
2255 - // Group prompts by source_url
2256 - $grouped_prompts = array();
2257 - foreach ($prompts as $prompt) {
2258 - $source_url = '';
2259 - if (!empty($prompt->chunk_metadata['source_url'])) {
2260 - $source_url = $prompt->chunk_metadata['source_url'];
2261 - } elseif (!empty($prompt->source_url)) {
2262 - $source_url = $prompt->source_url;
2263 - }
2264 -
2265 - if (!empty($source_url)) {
2266 - if (!isset($grouped_prompts[$source_url])) {
2267 - $grouped_prompts[$source_url] = array();
2268 - }
2269 - $grouped_prompts[$source_url][] = $prompt;
2270 - } else {
2271 - $grouped_prompts['_ungrouped_' . $prompt->id] = array($prompt);
2272 - }
2273 - }
2274 -
2275 - // Sort each group by chunk_index
2276 - foreach ($grouped_prompts as $source_url => &$group) {
2277 - usort($group, function($a, $b) {
2278 - $index_a = isset($a->chunk_metadata['chunk_index']) ? intval($a->chunk_metadata['chunk_index']) : 0;
2279 - $index_b = isset($b->chunk_metadata['chunk_index']) ? intval($b->chunk_metadata['chunk_index']) : 0;
2280 - return $index_a - $index_b;
2281 - });
2282 - }
2283 - unset($group);
2284 -
2285 - // Build HTML for the table rows - must match admin-knowledge-page.php structure exactly
2286 - ob_start();
2287 - $display_index = 0;
2288 - $current_page = $page;
2289 - $data_source = 'pinecone';
2290 - $current_bot_id = $bot_id;
2291 - $preview_length = 150;
2292 -
2293 - if (empty($grouped_prompts)) {
2294 - echo '<tr><td colspan="4" style="padding: 40px; text-align: center; color: var(--mxch-text-muted);">';
2295 - esc_html_e('No knowledge entries found in Pinecone.', 'mxchat');
2296 - echo '</td></tr>';
2297 - } else {
2298 - foreach ($grouped_prompts as $source_url => $group) {
2299 - $chunk_count = count($group);
2300 - $first_prompt = $group[0];
2301 - $display_index++;
2302 -
2303 - if ($chunk_count > 1) {
2304 - // Multiple chunks - show grouped row with expand button
2305 - $group_id = 'group-' . md5($source_url);
2306 - ?>
2307 - <tr id="prompt-<?php echo esc_attr($first_prompt->id); ?>"
2308 - class="mxchat-chunk-group-header"
2309 - data-source="<?php echo esc_attr($data_source); ?>"
2310 - data-group-id="<?php echo esc_attr($group_id); ?>"
2311 - style="border-bottom: 1px solid var(--mxch-card-border); background: rgba(33, 150, 243, 0.02);">
2312 - <td style="padding: 12px 16px; text-align: center;">
2313 - <input type="checkbox"
2314 - class="mxchat-entry-checkbox"
2315 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2316 - data-source="<?php echo esc_attr($data_source); ?>"
2317 - data-source-url="<?php echo esc_attr($source_url); ?>"
2318 - data-is-group="true"
2319 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>">
2320 - </td>
2321 - <td style="padding: 12px 16px; font-size: 13px;">
2322 - <?php echo esc_html($display_index + (($current_page - 1) * $per_page)); ?>
2323 - </td>
2324 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2325 - <div class="mxchat-chunk-group-info">
2326 - <button type="button" class="mxchat-chunk-toggle" data-group-id="<?php echo esc_attr($group_id); ?>">
2327 - <span class="dashicons dashicons-arrow-right-alt2"></span>
2328 - </button>
2329 - <span class="mxchat-chunk-badge"><?php echo esc_html($chunk_count); ?> <?php esc_html_e('chunks', 'mxchat'); ?></span>
2330 - <span class="mxchat-chunk-preview">
2331 - <?php
2332 - $parent_content = isset($first_prompt->display_content) ? $first_prompt->display_content : (isset($first_prompt->article_content) ? $first_prompt->article_content : '');
2333 - $content_preview = mb_substr($parent_content, 0, 100);
2334 - echo esc_html($content_preview . '...');
2335 - ?>
2336 - </span>
2337 - </div>
2338 - </td>
2339 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2340 - <?php if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0 && strpos($source_url, '_ungrouped_') !== 0) : ?>
2341 - <a href="<?php echo esc_url($source_url); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2342 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2343 - <?php esc_html_e('View Source', 'mxchat'); ?>
2344 - </a>
2345 - <?php else : ?>
2346 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual Content', 'mxchat'); ?></span>
2347 - <?php endif; ?>
2348 - </td>
2349 - <td class="mxchat-actions-cell" style="padding: 12px 16px; white-space: nowrap;">
2350 - <?php if ($data_source !== 'pinecone') : ?>
2351 - <button type="button"
2352 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
2353 - data-source-url="<?php echo esc_attr($source_url); ?>"
2354 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2355 - data-data-source="<?php echo esc_attr($data_source); ?>"
2356 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2357 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
2358 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
2359 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
2360 - </button>
2361 - <?php endif; ?>
2362 - <button type="button"
2363 - class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-group"
2364 - data-source-url="<?php echo esc_attr($source_url); ?>"
2365 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>"
2366 - data-data-source="<?php echo esc_attr($data_source); ?>"
2367 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2368 - data-nonce="<?php echo wp_create_nonce('mxchat_delete_chunks_nonce'); ?>"
2369 - style="color: var(--mxch-error);"
2370 - title="<?php esc_attr_e('Delete all chunks', 'mxchat'); ?>">
2371 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2372 - </button>
2373 - </td>
2374 - </tr>
2375 - <?php
2376 - // Render hidden chunk rows
2377 - foreach ($group as $chunk_index => $chunk) {
2378 - $meta_chunk_index = isset($chunk->chunk_metadata['chunk_index']) ? intval($chunk->chunk_metadata['chunk_index']) : $chunk_index;
2379 - $meta_total_chunks = isset($chunk->chunk_metadata['total_chunks']) ? intval($chunk->chunk_metadata['total_chunks']) : $chunk_count;
2380 - $content = isset($chunk->display_content) ? $chunk->display_content : (isset($chunk->article_content) ? $chunk->article_content : '');
2381 - $content_preview = mb_strlen($content) > $preview_length
2382 - ? mb_substr($content, 0, $preview_length) . '...'
2383 - : $content;
2384 - ?>
2385 - <tr id="prompt-<?php echo esc_attr($chunk->id); ?>"
2386 - class="mxchat-chunk-row <?php echo esc_attr($group_id); ?>"
2387 - data-source="<?php echo esc_attr($data_source); ?>"
2388 - style="display: none; background: #f8f9fa; border-bottom: 1px solid var(--mxch-card-border);">
2389 - <td style="padding: 12px 16px; text-align: center;">
2390 - <!-- Checkbox column placeholder for chunks (managed by group) -->
2391 - </td>
2392 - <td style="padding: 12px 16px 12px 30px; font-size: 13px;">
2393 - <!-- Hidden ID column for chunks -->
2394 - </td>
2395 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2396 - <div class="mxchat-accordion-wrapper">
2397 - <div class="mxchat-content-preview">
2398 - <span class="mxchat-chunk-indicator" style="margin-right: 10px; color: var(--mxch-text-secondary); font-size: 12px;">
2399 - <?php printf(esc_html__('Chunk %d of %d', 'mxchat'), $meta_chunk_index + 1, $meta_total_chunks); ?>
2400 - </span>
2401 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2402 - <?php if (mb_strlen($content) > $preview_length) : ?>
2403 - <button class="mxchat-expand-toggle" type="button">
2404 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2405 - </button>
2406 - <?php endif; ?>
2407 - </div>
2408 - <div class="mxchat-content-full" style="display: none;">
2409 - <div class="content-view">
2410 - <?php
2411 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2412 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2413 - echo wp_kses_post(wpautop($content));
2414 - echo '</div>';
2415 - } else {
2416 - echo wp_kses_post(wpautop($content));
2417 - }
2418 - ?>
2419 - </div>
2420 - </div>
2421 - </div>
2422 - </td>
2423 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2424 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Same as parent', 'mxchat'); ?></span>
2425 - </td>
2426 - <td class="mxchat-actions-cell" style="padding: 12px 16px;">
2427 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Managed by group', 'mxchat'); ?></span>
2428 - </td>
2429 - </tr>
2430 - <?php
2431 - }
2432 - } else {
2433 - // Single entry - display normally with accordion
2434 - $prompt = $first_prompt;
2435 - $content = isset($prompt->display_content) ? $prompt->display_content : (isset($prompt->article_content) ? $prompt->article_content : '');
2436 - $content_preview = mb_strlen($content) > $preview_length
2437 - ? mb_substr($content, 0, $preview_length) . '...'
2438 - : $content;
2439 - ?>
2440 - <tr id="prompt-<?php echo esc_attr($prompt->id); ?>"
2441 - data-source="<?php echo esc_attr($data_source); ?>"
2442 - style="border-bottom: 1px solid var(--mxch-card-border); background: rgba(33, 150, 243, 0.02);">
2443 - <td style="padding: 12px 16px; text-align: center;">
2444 - <input type="checkbox"
2445 - class="mxchat-entry-checkbox"
2446 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
2447 - data-source="<?php echo esc_attr($data_source); ?>"
2448 - data-source-url="<?php echo esc_attr($prompt->source_url ?? ''); ?>"
2449 - data-is-group="false"
2450 - data-chunk-count="1">
2451 - </td>
2452 - <td style="padding: 12px 16px; font-size: 13px;">
2453 - <?php echo esc_html($display_index + (($current_page - 1) * $per_page)); ?>
2454 - </td>
2455 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2456 - <div class="mxchat-accordion-wrapper">
2457 - <div class="mxchat-content-preview">
2458 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2459 - <?php if (mb_strlen($content) > $preview_length) : ?>
2460 - <button class="mxchat-expand-toggle" type="button">
2461 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2462 - </button>
2463 - <?php endif; ?>
2464 - </div>
2465 - <div class="mxchat-content-full" style="display: none;">
2466 - <div class="content-view">
2467 - <?php
2468 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2469 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2470 - echo wp_kses_post(wpautop($content));
2471 - echo '</div>';
2472 - } else {
2473 - echo wp_kses_post(wpautop($content));
2474 - }
2475 - ?>
2476 - </div>
2477 - </div>
2478 - </div>
2479 - </td>
2480 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2481 - <?php
2482 - $actual_source = $source_url;
2483 - if (strpos($source_url, '_ungrouped_') === 0) {
2484 - $actual_source = $prompt->source_url ?? '';
2485 - }
2486 - if (!empty($actual_source) && strpos($actual_source, 'mxchat://') !== 0) : ?>
2487 - <a href="<?php echo esc_url($actual_source); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2488 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2489 - <?php esc_html_e('View', 'mxchat'); ?>
2490 - </a>
2491 - <?php else : ?>
2492 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual', 'mxchat'); ?></span>
2493 - <?php endif; ?>
2494 - </td>
2495 - <td style="padding: 12px 16px;">
2496 - <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);">
2497 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2498 - </button>
2499 - </td>
2500 - </tr>
2501 - <?php
2502 - }
2503 - }
2504 - }
2505 - $html = ob_get_clean();
2506 -
2507 - // Generate pagination HTML for Pinecone
2508 - $total_pages = ceil($total_records / $per_page);
2509 - $pagination_html = '';
2510 - if ($total_pages > 1) {
2511 - $pagination_html = '<div class="mxchat-ajax-pagination" data-current-page="' . esc_attr($page) . '" data-total-pages="' . esc_attr($total_pages) . '" data-search="' . esc_attr($search_query) . '" data-content-type="' . esc_attr($content_type_filter) . '">';
2512 -
2513 - // Previous button
2514 - if ($page > 1) {
2515 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page - 1) . '">' . esc_html__('&laquo; Previous', 'mxchat') . '</a> ';
2516 - }
2517 -
2518 - // Page numbers
2519 - $start_page = max(1, $page - 2);
2520 - $end_page = min($total_pages, $page + 2);
2521 -
2522 - if ($start_page > 1) {
2523 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="1">1</a> ';
2524 - if ($start_page > 2) {
2525 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2526 - }
2527 - }
2528 -
2529 - for ($i = $start_page; $i <= $end_page; $i++) {
2530 - if ($i == $page) {
2531 - $pagination_html .= '<span class="mxchat-page-current">' . $i . '</span> ';
2532 - } else {
2533 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $i . '">' . $i . '</a> ';
2534 - }
2535 - }
2536 -
2537 - if ($end_page < $total_pages) {
2538 - if ($end_page < $total_pages - 1) {
2539 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2540 - }
2541 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $total_pages . '">' . $total_pages . '</a> ';
2542 - }
2543 -
2544 - // Next button
2545 - if ($page < $total_pages) {
2546 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page + 1) . '">' . esc_html__('Next &raquo;', 'mxchat') . '</a>';
2547 - }
2548 -
2549 - $pagination_html .= '</div>';
2550 - }
2551 -
2552 - wp_send_json_success(array(
2553 - 'html' => $html,
2554 - 'pagination_html' => $pagination_html,
2555 - 'total_count' => $total_records,
2556 - 'total_pages' => $total_pages,
2557 - 'page' => $page,
2558 - 'per_page' => $per_page,
2559 - 'data_source' => 'pinecone'
2560 - ));
2561 -}
2562 -
2563 -/**
2564 - * AJAX handler for pagination - handles both WordPress DB and Pinecone data sources
2565 - * Returns paginated entries without requiring a full page reload
2566 - */
2567 -public function ajax_mxchat_paginate_entries() {
2568 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
2569 -
2570 - if (!current_user_can('manage_options')) {
2571 - wp_send_json_error(array('message' => 'Unauthorized'));
2572 - return;
2573 - }
2574 -
2575 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
2576 - $page = isset($_POST['page']) ? absint($_POST['page']) : 1;
2577 - $search_query = isset($_POST['search']) ? sanitize_text_field($_POST['search']) : '';
2578 - $content_type_filter = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : '';
2579 - $per_page = 25;
2580 -
2581 - // Check if Pinecone is enabled for this bot
2582 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
2583 - $pinecone_options = $pinecone_manager ? $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id) : array();
2584 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2585 - $has_pinecone_api = !empty($pinecone_options['mxchat_pinecone_api_key']);
2586 -
2587 - if ($use_pinecone && $has_pinecone_api) {
2588 - // Delegate to Pinecone pagination handler (pass search params)
2589 - $_POST['page'] = $page;
2590 - $_POST['search'] = $search_query;
2591 - $_POST['content_type'] = $content_type_filter;
2592 - $this->ajax_mxchat_refresh_pinecone_entries();
2593 - return;
2594 - }
2595 -
2596 - // WordPress DB pagination - MUST match initial page load logic exactly
2597 - global $wpdb;
2598 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2599 - $offset = ($page - 1) * $per_page;
2600 -
2601 - // Build WHERE clause for search and content type filtering
2602 - $where_clauses = array();
2603 - $where_values = array();
2604 -
2605 - if ($search_query) {
2606 - $where_clauses[] = "article_content LIKE %s";
2607 - $where_values[] = '%' . $wpdb->esc_like($search_query) . '%';
2608 - }
2609 -
2610 - if ($content_type_filter) {
2611 - switch ($content_type_filter) {
2612 - case 'manual':
2613 - $where_clauses[] = "(source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')";
2614 - break;
2615 - case 'pdf':
2616 - $where_clauses[] = "source_url LIKE '%.pdf'";
2617 - break;
2618 - case 'url':
2619 - $where_clauses[] = "source_url != '' AND source_url IS NOT NULL AND source_url NOT LIKE 'mxchat://%' AND source_url NOT LIKE '%.pdf'";
2620 - break;
2621 - }
2622 - }
2623 -
2624 - $where_sql = !empty($where_clauses) ? 'WHERE ' . implode(' AND ', $where_clauses) : '';
2625 -
2626 - // Count grouped entries with filters applied
2627 - if (!empty($where_values)) {
2628 - $count_args = array_merge($where_values, $where_values);
2629 - $count_query = $wpdb->prepare(
2630 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} {$where_sql} AND source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2631 - (SELECT COUNT(*) FROM {$table_name} {$where_sql} AND (source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%'))",
2632 - ...$count_args
2633 - );
2634 - $total_records = $wpdb->get_var($count_query);
2635 - } else if (!empty($where_sql)) {
2636 - // Content type filter only (no search), no prepared values needed
2637 - $total_records = $wpdb->get_var(
2638 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} {$where_sql} AND source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2639 - (SELECT COUNT(*) FROM {$table_name} {$where_sql} AND (source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%'))"
2640 - );
2641 - } else {
2642 - // No filters
2643 - $total_records = $wpdb->get_var(
2644 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} WHERE source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2645 - (SELECT COUNT(*) FROM {$table_name} WHERE source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')"
2646 - );
2647 - }
2648 - $total_pages = ceil($total_records / $per_page);
2649 -
2650 - // Step 1: Get unique source_urls for this page (ordered by latest timestamp) with filters
2651 - if (!empty($where_values)) {
2652 - $query_args = array_merge($where_values, array($per_page, $offset));
2653 - $urls_query = $wpdb->prepare(
2654 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2655 - {$where_sql}
2656 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2657 - ...$query_args
2658 - );
2659 - } else if (!empty($where_sql)) {
2660 - $urls_query = $wpdb->prepare(
2661 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2662 - {$where_sql}
2663 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2664 - $per_page, $offset
2665 - );
2666 - } else {
2667 - $urls_query = $wpdb->prepare(
2668 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2669 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2670 - $per_page, $offset
2671 - );
2672 - }
2673 - $page_urls = $wpdb->get_results($urls_query);
2674 -
2675 - // Step 2: Build list of source_urls to fetch
2676 - $url_list = array();
2677 - $url_order_map = array();
2678 - $order_index = 0;
2679 - foreach ($page_urls as $url_row) {
2680 - $url = $url_row->source_url;
2681 - $url_list[] = $url;
2682 - $url_order_map[$url] = $order_index++;
2683 - }
2684 -
2685 - // Step 3: Fetch all rows for these source_urls (with search filter if applicable)
2686 - $prompts = array();
2687 - if (!empty($url_list)) {
2688 - $placeholders = implode(',', array_fill(0, count($url_list), '%s'));
2689 - if ($search_query) {
2690 - // Include search filter in the final fetch
2691 - $prompts_query = $wpdb->prepare(
2692 - "SELECT id, article_content, source_url, timestamp, role_restriction
2693 - FROM {$table_name}
2694 - WHERE source_url IN ($placeholders) AND article_content LIKE %s
2695 - ORDER BY timestamp DESC",
2696 - ...array_merge($url_list, ['%' . $wpdb->esc_like($search_query) . '%'])
2697 - );
2698 - } else {
2699 - $prompts_query = $wpdb->prepare(
2700 - "SELECT id, article_content, source_url, timestamp, role_restriction
2701 - FROM {$table_name}
2702 - WHERE source_url IN ($placeholders)
2703 - ORDER BY timestamp DESC",
2704 - $url_list
2705 - );
2706 - }
2707 - $prompts = $wpdb->get_results($prompts_query);
2708 - }
2709 -
2710 - // Group prompts by source_url for chunk display
2711 - $grouped_prompts = array();
2712 - foreach ($prompts as $prompt) {
2713 - $source_url = $prompt->source_url ?? '';
2714 -
2715 - // Parse chunk metadata using the proper chunker method (same as initial page load)
2716 - if (class_exists('MxChat_Chunker')) {
2717 - $chunk_meta = MxChat_Chunker::parse_stored_chunk($prompt->article_content);
2718 - $prompt->chunk_metadata = $chunk_meta['metadata'];
2719 - $prompt->display_content = $chunk_meta['text'];
2720 - } else {
2721 - $prompt->chunk_metadata = array();
2722 - $prompt->display_content = $prompt->article_content;
2723 - }
2724 -
2725 - if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0) {
2726 - if (!isset($grouped_prompts[$source_url])) {
2727 - $grouped_prompts[$source_url] = array();
2728 - }
2729 - $grouped_prompts[$source_url][] = $prompt;
2730 - } else {
2731 - // Ungrouped entries
2732 - $grouped_prompts['_ungrouped_' . $prompt->id] = array($prompt);
2733 - }
2734 - }
2735 -
2736 - // Sort groups by the original URL order (newest first)
2737 - uksort($grouped_prompts, function($a, $b) use ($url_order_map) {
2738 - $order_a = isset($url_order_map[$a]) ? $url_order_map[$a] : PHP_INT_MAX;
2739 - $order_b = isset($url_order_map[$b]) ? $url_order_map[$b] : PHP_INT_MAX;
2740 - return $order_a - $order_b;
2741 - });
2742 -
2743 - // Sort each group internally by chunk_index
2744 - foreach ($grouped_prompts as $source_url => &$group) {
2745 - usort($group, function($a, $b) {
2746 - $index_a = isset($a->chunk_metadata['chunk_index']) ? intval($a->chunk_metadata['chunk_index']) : 0;
2747 - $index_b = isset($b->chunk_metadata['chunk_index']) ? intval($b->chunk_metadata['chunk_index']) : 0;
2748 - return $index_a - $index_b;
2749 - });
2750 - }
2751 - unset($group);
2752 -
2753 - // Build HTML for the table rows
2754 - ob_start();
2755 - $display_index = 0;
2756 - $current_page = $page;
2757 - $data_source = 'wordpress';
2758 - $current_bot_id = $bot_id;
2759 - $preview_length = 150;
2760 -
2761 - if (empty($grouped_prompts)) {
2762 - echo '<tr><td colspan="5" style="padding: 40px; text-align: center; color: var(--mxch-text-muted);">';
2763 - esc_html_e('No knowledge entries found. Use the Import Options to add content.', 'mxchat');
2764 - echo '</td></tr>';
2765 - } else {
2766 - foreach ($grouped_prompts as $source_url => $group) {
2767 - $chunk_count = count($group);
2768 - $first_prompt = $group[0];
2769 - $display_index++;
2770 -
2771 - if ($chunk_count > 1) {
2772 - // Multiple chunks - show grouped row with expand button
2773 - $group_id = 'group-' . md5($source_url);
2774 - ?>
2775 - <tr id="prompt-<?php echo esc_attr($first_prompt->id); ?>"
2776 - class="mxchat-chunk-group-header"
2777 - data-source="<?php echo esc_attr($data_source); ?>"
2778 - data-group-id="<?php echo esc_attr($group_id); ?>"
2779 - style="border-bottom: 1px solid var(--mxch-card-border);">
2780 - <td style="padding: 12px 16px; text-align: center;">
2781 - <input type="checkbox"
2782 - class="mxchat-entry-checkbox"
2783 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2784 - data-source="<?php echo esc_attr($data_source); ?>"
2785 - data-source-url="<?php echo esc_attr($source_url); ?>"
2786 - data-is-group="true"
2787 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>">
2788 - </td>
2789 - <td style="padding: 12px 16px; font-size: 13px;">
2790 - <?php echo esc_html($first_prompt->id); ?>
2791 - </td>
2792 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2793 - <div class="mxchat-chunk-group-info">
2794 - <button type="button" class="mxchat-chunk-toggle" data-group-id="<?php echo esc_attr($group_id); ?>">
2795 - <span class="dashicons dashicons-arrow-right-alt2"></span>
2796 - </button>
2797 - <span class="mxchat-chunk-badge"><?php echo esc_html($chunk_count); ?> <?php esc_html_e('chunks', 'mxchat'); ?></span>
2798 - <span class="mxchat-chunk-preview">
2799 - <?php
2800 - $parent_content = isset($first_prompt->display_content) ? $first_prompt->display_content : $first_prompt->article_content;
2801 - $content_preview = mb_substr($parent_content, 0, 100);
2802 - echo esc_html($content_preview . '...');
2803 - ?>
2804 - </span>
2805 - </div>
2806 - </td>
2807 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2808 - <?php if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0 && strpos($source_url, '_ungrouped_') !== 0) : ?>
2809 - <a href="<?php echo esc_url($source_url); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2810 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2811 - <?php esc_html_e('View Source', 'mxchat'); ?>
2812 - </a>
2813 - <?php else : ?>
2814 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual Content', 'mxchat'); ?></span>
2815 - <?php endif; ?>
2816 - </td>
2817 - <td class="mxchat-actions-cell" style="padding: 12px 16px; white-space: nowrap;">
2818 - <?php if ($data_source !== 'pinecone') : ?>
2819 - <button type="button"
2820 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
2821 - data-source-url="<?php echo esc_attr($source_url); ?>"
2822 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2823 - data-data-source="<?php echo esc_attr($data_source); ?>"
2824 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2825 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
2826 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
2827 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
2828 - </button>
2829 - <?php endif; ?>
2830 - <button type="button"
2831 - class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-group"
2832 - data-source-url="<?php echo esc_attr($source_url); ?>"
2833 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>"
2834 - data-data-source="<?php echo esc_attr($data_source); ?>"
2835 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2836 - data-nonce="<?php echo wp_create_nonce('mxchat_delete_chunks_nonce'); ?>"
2837 - style="color: var(--mxch-error);"
2838 - title="<?php esc_attr_e('Delete all chunks', 'mxchat'); ?>">
2839 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2840 - </button>
2841 - </td>
2842 - </tr>
2843 - <?php
2844 - // Render hidden chunk rows
2845 - foreach ($group as $chunk_index => $chunk) {
2846 - $meta_chunk_index = isset($chunk->chunk_metadata['chunk_index']) ? intval($chunk->chunk_metadata['chunk_index']) : $chunk_index;
2847 - $meta_total_chunks = isset($chunk->chunk_metadata['total_chunks']) ? intval($chunk->chunk_metadata['total_chunks']) : $chunk_count;
2848 - $content = isset($chunk->display_content) ? $chunk->display_content : $chunk->article_content;
2849 - $content_preview = mb_strlen($content) > $preview_length
2850 - ? mb_substr($content, 0, $preview_length) . '...'
2851 - : $content;
2852 - ?>
2853 - <tr id="prompt-<?php echo esc_attr($chunk->id); ?>"
2854 - class="mxchat-chunk-row <?php echo esc_attr($group_id); ?>"
2855 - data-source="<?php echo esc_attr($data_source); ?>"
2856 - style="display: none; background: #f8f9fa; border-bottom: 1px solid var(--mxch-card-border);">
2857 - <td style="padding: 12px 16px; text-align: center;">
2858 - <!-- Checkbox column placeholder for chunks (managed by group) -->
2859 - </td>
2860 - <td style="padding: 12px 16px 12px 30px; font-size: 13px;">
2861 - <!-- Hidden ID column for chunks -->
2862 - </td>
2863 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2864 - <div class="mxchat-accordion-wrapper">
2865 - <div class="mxchat-content-preview">
2866 - <span class="mxchat-chunk-indicator" style="margin-right: 10px; color: var(--mxch-text-secondary); font-size: 12px;">
2867 - <?php printf(esc_html__('Chunk %d of %d', 'mxchat'), $meta_chunk_index + 1, $meta_total_chunks); ?>
2868 - </span>
2869 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2870 - <?php if (mb_strlen($content) > $preview_length) : ?>
2871 - <button class="mxchat-expand-toggle" type="button">
2872 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2873 - </button>
2874 - <?php endif; ?>
2875 - </div>
2876 - <div class="mxchat-content-full" style="display: none;">
2877 - <div class="content-view">
2878 - <?php
2879 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2880 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2881 - echo wp_kses_post(wpautop($content));
2882 - echo '</div>';
2883 - } else {
2884 - echo wp_kses_post(wpautop($content));
2885 - }
2886 - ?>
2887 - </div>
2888 - </div>
2889 - </div>
2890 - </td>
2891 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2892 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Same as parent', 'mxchat'); ?></span>
2893 - </td>
2894 - <td class="mxchat-actions-cell" style="padding: 12px 16px;">
2895 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Managed by group', 'mxchat'); ?></span>
2896 - </td>
2897 - </tr>
2898 - <?php
2899 - }
2900 - } else {
2901 - // Single entry - display normally with accordion
2902 - $prompt = $first_prompt;
2903 - $content = isset($prompt->display_content) ? $prompt->display_content : $prompt->article_content;
2904 - $content_preview = mb_strlen($content) > $preview_length
2905 - ? mb_substr($content, 0, $preview_length) . '...'
2906 - : $content;
2907 - ?>
2908 - <tr id="prompt-<?php echo esc_attr($prompt->id); ?>"
2909 - data-source="<?php echo esc_attr($data_source); ?>"
2910 - style="border-bottom: 1px solid var(--mxch-card-border);">
2911 - <td style="padding: 12px 16px; text-align: center;">
2912 - <input type="checkbox"
2913 - class="mxchat-entry-checkbox"
2914 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
2915 - data-source="<?php echo esc_attr($data_source); ?>"
2916 - data-source-url="<?php echo esc_attr($source_url); ?>"
2917 - data-is-group="false">
2918 - </td>
2919 - <td style="padding: 12px 16px; font-size: 13px;">
2920 - <?php echo esc_html($prompt->id); ?>
2921 - </td>
2922 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2923 - <div class="mxchat-accordion-wrapper">
2924 - <div class="mxchat-content-preview">
2925 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2926 - <?php if (mb_strlen($content) > $preview_length) : ?>
2927 - <button class="mxchat-expand-toggle" type="button">
2928 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2929 - </button>
2930 - <?php endif; ?>
2931 - </div>
2932 - <div class="mxchat-content-full" style="display: none;">
2933 - <div class="content-view">
2934 - <?php
2935 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2936 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2937 - echo wp_kses_post(wpautop($content));
2938 - echo '</div>';
2939 - } else {
2940 - echo wp_kses_post(wpautop($content));
2941 - }
2942 - ?>
2943 - </div>
2944 - </div>
2945 - </div>
2946 - </td>
2947 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2948 - <?php
2949 - $actual_source = $source_url;
2950 - if (strpos($source_url, '_ungrouped_') === 0) {
2951 - $actual_source = $prompt->source_url ?? '';
2952 - }
2953 - if (!empty($actual_source) && strpos($actual_source, 'mxchat://') !== 0) : ?>
2954 - <a href="<?php echo esc_url($actual_source); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2955 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2956 - <?php esc_html_e('View', 'mxchat'); ?>
2957 - </a>
2958 - <?php else : ?>
2959 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual', 'mxchat'); ?></span>
2960 - <?php endif; ?>
2961 - </td>
2962 - <td style="padding: 12px 16px; white-space: nowrap;">
2963 - <button type="button"
2964 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
2965 - data-source-url="<?php echo esc_attr($prompt->source_url ?? ''); ?>"
2966 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
2967 - data-data-source="<?php echo esc_attr($data_source); ?>"
2968 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2969 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
2970 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
2971 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
2972 - </button>
2973 - <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);">
2974 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2975 - </button>
2976 - </td>
2977 - </tr>
2978 - <?php
2979 - }
2980 - }
2981 - }
2982 - $html = ob_get_clean();
2983 -
2984 - // Generate pagination HTML (include search/filter data for subsequent pages)
2985 - $pagination_html = '';
2986 - if ($total_pages > 1) {
2987 - $pagination_html = '<div class="mxchat-ajax-pagination" data-current-page="' . esc_attr($page) . '" data-total-pages="' . esc_attr($total_pages) . '" data-search="' . esc_attr($search_query) . '" data-content-type="' . esc_attr($content_type_filter) . '">';
2988 -
2989 - // Previous button
2990 - if ($page > 1) {
2991 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page - 1) . '">' . esc_html__('&laquo; Previous', 'mxchat') . '</a> ';
2992 - }
2993 -
2994 - // Page numbers
2995 - $start_page = max(1, $page - 2);
2996 - $end_page = min($total_pages, $page + 2);
2997 -
2998 - if ($start_page > 1) {
2999 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="1">1</a> ';
3000 - if ($start_page > 2) {
3001 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
3002 - }
3003 - }
3004 -
3005 - for ($i = $start_page; $i <= $end_page; $i++) {
3006 - if ($i == $page) {
3007 - $pagination_html .= '<span class="mxchat-page-current">' . $i . '</span> ';
3008 - } else {
3009 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $i . '">' . $i . '</a> ';
3010 - }
3011 - }
3012 -
3013 - if ($end_page < $total_pages) {
3014 - if ($end_page < $total_pages - 1) {
3015 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
3016 - }
3017 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $total_pages . '">' . $total_pages . '</a> ';
3018 - }
3019 -
3020 - // Next button
3021 - if ($page < $total_pages) {
3022 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page + 1) . '">' . esc_html__('Next &raquo;', 'mxchat') . '</a>';
3023 - }
3024 -
3025 - $pagination_html .= '</div>';
3026 - }
3027 -
3028 - wp_send_json_success(array(
3029 - 'html' => $html,
3030 - 'pagination_html' => $pagination_html,
3031 - 'total_count' => $total_records,
3032 - 'total_pages' => $total_pages,
3033 - 'page' => $page,
3034 - 'per_page' => $per_page,
3035 - 'data_source' => 'wordpress'
3036 - ));
3037 -}
3038 -
3039 -/**
3040 - * AJAX handler to detect available sitemaps on the site
3041 - * Optimized for speed - only checks primary sitemap indexes first
3042 - */
3043 -public function ajax_mxchat_detect_sitemaps() {
3044 - check_ajax_referer('mxchat_detect_sitemaps_nonce', 'nonce');
3045 -
3046 - if (!current_user_can('manage_options')) {
3047 - wp_send_json_error(array('message' => 'Unauthorized'));
3048 - return;
3049 - }
3050 -
3051 - $site_url = get_site_url();
3052 - $sitemaps = array();
3053 - $found_index = false;
3054 -
3055 - // Only check the main sitemap index files first (much faster)
3056 - // These are the primary entry points that contain sub-sitemaps
3057 - $primary_indexes = array(
3058 - 'sitemap_index.xml' => 'Yoast SEO / Rank Math', // Yoast & Rank Math
3059 - 'wp-sitemap.xml' => 'WordPress Core', // WordPress Core
3060 - 'sitemap.xml' => 'Standard', // Generic/AIOSEO
3061 - );
3062 -
3063 - foreach ($primary_indexes as $path => $source) {
3064 - $url = trailingslashit($site_url) . $path;
3065 -
3066 - $response = wp_remote_head($url, array(
3067 - 'timeout' => 10,
3068 - 'sslverify' => false,
3069 - 'redirection' => 1,
3070 - 'user-agent' => mxchat_ingest_user_agent(),
3071 - ));
3072 -
3073 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
3074 - // Found a sitemap index - parse it to get sub-sitemaps
3075 - $sub_sitemaps = $this->parse_sitemap_index($url);
3076 - if (!empty($sub_sitemaps)) {
3077 - $sitemaps[] = array(
3078 - 'url' => $url,
3079 - 'type' => 'index',
3080 - 'source' => $source,
3081 - 'sub_sitemaps' => $sub_sitemaps
3082 - );
3083 - $found_index = true;
3084 - // Found a valid index, no need to check others
3085 - break;
3086 - }
3087 - }
3088 - }
3089 -
3090 - // If no sitemap index found, check for standalone sitemaps
3091 - if (!$found_index) {
3092 - $standalone_sitemaps = array(
3093 - 'post-sitemap.xml' => array('type' => 'content', 'source' => 'Yoast SEO'),
3094 - 'page-sitemap.xml' => array('type' => 'content', 'source' => 'Yoast SEO'),
3095 - );
3096 -
3097 - foreach ($standalone_sitemaps as $path => $info) {
3098 - $url = trailingslashit($site_url) . $path;
3099 -
3100 - $response = wp_remote_head($url, array(
3101 - 'timeout' => 2,
3102 - 'sslverify' => false
3103 - ));
3104 -
3105 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
3106 - $sitemaps[] = array(
3107 - 'url' => $url,
3108 - 'type' => $info['type'],
3109 - 'source' => $info['source'],
3110 - 'url_count' => 0 // Skip URL count for speed
3111 - );
3112 - }
3113 - }
3114 - }
3115 -
3116 - wp_send_json_success(array(
3117 - 'sitemaps' => $sitemaps,
3118 - 'site_url' => $site_url
3119 - ));
3120 -}
3121 -
3122 -/**
3123 - * Parse a sitemap index to get sub-sitemaps
3124 - * Optimized: doesn't fetch URL count for each sub-sitemap (too slow)
3125 - */
3126 -private function parse_sitemap_index($url) {
3127 - $sub_sitemaps = array();
3128 -
3129 - $response = wp_remote_get($url, array(
3130 - 'timeout' => 30,
3131 - 'sslverify' => false,
3132 - 'user-agent' => mxchat_ingest_user_agent(),
3133 - 'headers' => array(
3134 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
3135 - ),
3136 - ));
3137 -
3138 - if (is_wp_error($response)) {
3139 - return $sub_sitemaps;
3140 - }
3141 -
3142 - $body = wp_remote_retrieve_body($response);
3143 - if (empty($body)) {
3144 - return $sub_sitemaps;
3145 - }
3146 -
3147 - // Suppress XML errors
3148 - libxml_use_internal_errors(true);
3149 - $xml = simplexml_load_string($body);
3150 - libxml_clear_errors();
3151 -
3152 - if ($xml === false) {
3153 - return $sub_sitemaps;
3154 - }
3155 -
3156 - // Check if it's a sitemap index (contains <sitemap> elements)
3157 - if (isset($xml->sitemap)) {
3158 - foreach ($xml->sitemap as $sitemap) {
3159 - $loc = (string) $sitemap->loc;
3160 - if (!empty($loc)) {
3161 - // Try to determine the type from the URL
3162 - $type = 'content';
3163 - if (strpos($loc, 'category') !== false || strpos($loc, 'tag') !== false || strpos($loc, 'taxonomy') !== false) {
3164 - $type = 'taxonomy';
3165 - } elseif (strpos($loc, 'author') !== false || strpos($loc, 'user') !== false) {
3166 - $type = 'author';
3167 - }
3168 -
3169 - // Skip URL count - too slow to fetch for each sitemap
3170 - $sub_sitemaps[] = array(
3171 - 'url' => $loc,
3172 - 'type' => $type,
3173 - 'url_count' => 0, // Don't fetch - takes too long
3174 - 'name' => basename(parse_url($loc, PHP_URL_PATH))
3175 - );
3176 - }
3177 - }
3178 - }
3179 -
3180 - return $sub_sitemaps;
3181 -}
3182 -
3183 -/**
3184 - * Get URL count from a sitemap
3185 - */
3186 -private function get_sitemap_url_count($url) {
3187 - $response = wp_remote_get($url, array(
3188 - 'timeout' => 30,
3189 - 'sslverify' => false,
3190 - 'user-agent' => mxchat_ingest_user_agent(),
3191 - 'headers' => array(
3192 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
3193 - ),
3194 - ));
3195 -
3196 - if (is_wp_error($response)) {
3197 - return 0;
3198 - }
3199 -
3200 - $body = wp_remote_retrieve_body($response);
3201 - if (empty($body)) {
3202 - return 0;
3203 - }
3204 -
3205 - // Count <url> or <loc> elements
3206 - $count = preg_match_all('/<url>/i', $body, $matches);
3207 - return $count ?: 0;
3208 -}
3209 -
3210 -/**
3211 - * Get sitemaps declared in robots.txt
3212 - */
3213 -private function get_sitemaps_from_robots($site_url) {
3214 - $sitemaps = array();
3215 - $robots_url = trailingslashit($site_url) . 'robots.txt';
3216 -
3217 - $response = wp_remote_get($robots_url, array(
3218 - 'timeout' => 15,
3219 - 'sslverify' => false,
3220 - 'user-agent' => mxchat_ingest_user_agent(),
3221 - ));
3222 -
3223 - if (is_wp_error($response)) {
3224 - return $sitemaps;
3225 - }
3226 -
3227 - $body = wp_remote_retrieve_body($response);
3228 - if (empty($body)) {
3229 - return $sitemaps;
3230 - }
3231 -
3232 - // Find Sitemap: declarations
3233 - if (preg_match_all('/^Sitemap:\s*(.+)$/mi', $body, $matches)) {
3234 - foreach ($matches[1] as $sitemap_url) {
3235 - $sitemap_url = trim($sitemap_url);
3236 - if (filter_var($sitemap_url, FILTER_VALIDATE_URL)) {
3237 - $sitemaps[] = $sitemap_url;
3238 - }
3239 - }
3240 - }
3241 -
3242 - return $sitemaps;
3243 -}
3244 -
3245 -public function mxchat_stop_processing() {
3246 - // Verify permissions
3247 - if (!current_user_can('manage_options')) {
3248 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
3249 - }
3250 -
3251 - // Verify nonce
3252 - check_admin_referer('mxchat_stop_processing_action', 'mxchat_stop_processing_nonce');
3253 -
3254 - global $wpdb;
3255 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
3256 -
3257 - // Get active queue IDs
3258 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
3259 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
3260 -
3261 - // Delete all pending items from active queues
3262 - if ($sitemap_queue_id) {
3263 - $wpdb->delete(
3264 - $table_name,
3265 - array(
3266 - 'queue_id' => $sitemap_queue_id,
3267 - 'status' => 'pending'
3268 - ),
3269 - array('%s', '%s')
3270 - );
3271 -
3272 - delete_transient('mxchat_active_queue_sitemap');
3273 - delete_transient('mxchat_last_sitemap_url');
3274 - }
3275 -
3276 - if ($pdf_queue_id) {
3277 - // Get PDF path before deleting
3278 - $pdf_path = $this->mxchat_get_queue_meta($pdf_queue_id, 'pdf_path');
3279 -
3280 - $wpdb->delete(
3281 - $table_name,
3282 - array(
3283 - 'queue_id' => $pdf_queue_id,
3284 - 'status' => 'pending'
3285 - ),
3286 - array('%s', '%s')
3287 - );
3288 -
3289 - // Delete PDF file
3290 - if ($pdf_path && file_exists($pdf_path)) {
3291 - wp_delete_file($pdf_path);
3292 - }
3293 -
3294 - delete_transient('mxchat_active_queue_pdf');
3295 - delete_transient('mxchat_last_pdf_url');
3296 - }
3297 -
3298 - // Redirect back with a success message
3299 - set_transient('mxchat_admin_notice_success',
3300 - esc_html__('Processing has been stopped successfully.', 'mxchat'),
3301 - 30
3302 - );
3303 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3304 - exit;
3305 -}
3306 -
3307 -/**
3308 - * Get content list for processing
3309 - */
3310 -public function ajax_mxchat_get_content_list() {
3311 - // Verify the nonce
3312 - check_ajax_referer('mxchat_content_selector_nonce', 'nonce');
3313 -
3314 - if (!current_user_can('manage_options')) {
3315 - wp_send_json_error(__('Unauthorized access', 'mxchat'));
3316 - }
3317 -
3318 - $page = isset($_GET['page']) ? absint($_GET['page']) : 1;
3319 - $per_page = isset($_GET['per_page']) ? absint($_GET['per_page']) : 100;
3320 - $search = isset($_GET['search']) ? sanitize_text_field($_GET['search']) : '';
3321 - $post_type = isset($_GET['post_type']) ? sanitize_text_field($_GET['post_type']) : 'all';
3322 - $post_status = isset($_GET['post_status']) ? sanitize_text_field($_GET['post_status']) : 'publish';
3323 - $processed_filter = isset($_GET['processed_filter']) ? sanitize_text_field($_GET['processed_filter']) : 'all';
3324 -
3325 - // Build query args
3326 - $args = array(
3327 - 'posts_per_page' => $per_page,
3328 - 'paged' => $page,
3329 - 'post_status' => $post_status !== 'all' ? $post_status : array('publish', 'draft', 'pending'),
3330 - 'orderby' => 'date',
3331 - 'order' => 'DESC',
3332 - );
3333 -
3334 - // Handle post types - IMPROVED VERSION
3335 - if ($post_type !== 'all') {
3336 - $args['post_type'] = $post_type;
3337 - } else {
3338 - // Get all available post types that might contain content
3339 - $all_post_types = array();
3340 -
3341 - // First get all public post types
3342 - $public_types = get_post_types(array('public' => true), 'names');
3343 - $all_post_types = array_merge($all_post_types, $public_types);
3344 -
3345 - // Add common forum/community post types
3346 - $forum_types = array('topic', 'reply', 'forum', 'wpforo_topic', 'wpforo_post');
3347 - foreach ($forum_types as $forum_type) {
3348 - if (post_type_exists($forum_type)) {
3349 - $all_post_types[] = $forum_type;
3350 - }
3351 - }
3352 -
3353 - // Add other commonly used post types
3354 - $common_types = array('product', 'job_listing', 'event', 'portfolio');
3355 - foreach ($common_types as $common_type) {
3356 - if (post_type_exists($common_type)) {
3357 - $all_post_types[] = $common_type;
3358 - }
3359 - }
3360 -
3361 - // Remove duplicates and ensure we have at least some post types
3362 - $all_post_types = array_unique($all_post_types);
3363 -
3364 - if (empty($all_post_types)) {
3365 - // Fallback to basic post types
3366 - $all_post_types = array('post', 'page');
3367 - }
3368 -
3369 - $args['post_type'] = $all_post_types;
3370 -
3371 - // Debug logging to see what post types are being queried
3372 - //error_log('MxChat Debug: Querying post types: ' . implode(', ', $all_post_types));
3373 - }
3374 -
3375 - if (!empty($search)) {
3376 - $args['s'] = $search;
3377 - }
3378 -
3379 - // Get processed data from storage
3380 - $processed_data = array();
3381 -
3382 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3383 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3384 -
3385 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3386 - // Get fresh data from Pinecone - no caching
3387 - $processed_data = $this->mxchat_get_pinecone_processed_content($pinecone_options);
3388 - } else {
3389 - // WordPress DB checking with better URL matching for all post types
3390 - global $wpdb;
3391 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3392 - $processed_items = $wpdb->get_results("SELECT id, source_url, article_content, timestamp FROM {$table_name}");
3393 -
3394 - // Group items by source_url to count chunks
3395 - $url_chunk_counts = array();
3396 - $url_latest_timestamp = array();
3397 - $url_first_id = array();
3398 -
3399 - if (!empty($processed_items)) {
3400 - foreach ($processed_items as $item) {
3401 - $url = $item->source_url;
3402 - if (empty($url)) continue;
3403 -
3404 - // Count chunks per URL
3405 - if (!isset($url_chunk_counts[$url])) {
3406 - $url_chunk_counts[$url] = 0;
3407 - $url_latest_timestamp[$url] = $item->timestamp;
3408 - $url_first_id[$url] = $item->id;
3409 - }
3410 - $url_chunk_counts[$url]++;
3411 -
3412 - // Track latest timestamp
3413 - if (strtotime($item->timestamp) > strtotime($url_latest_timestamp[$url])) {
3414 - $url_latest_timestamp[$url] = $item->timestamp;
3415 - }
3416 - }
3417 -
3418 - // Now build processed_data with chunk counts
3419 - foreach ($url_chunk_counts as $url => $chunk_count) {
3420 - $post_id = $this->mxchat_url_to_post_id_improved($url);
3421 -
3422 - if ($post_id) {
3423 - $processed_data[$post_id] = array(
3424 - 'db_id' => $url_first_id[$url],
3425 - 'timestamp' => $url_latest_timestamp[$url],
3426 - 'url' => $url,
3427 - 'source' => 'wordpress',
3428 - 'chunk_count' => $chunk_count
3429 - );
3430 - }
3431 - }
3432 - }
3433 - }
3434 -
3435 - // Get processed IDs as a simple array for in_array checks
3436 - $processed_ids = array_keys($processed_data);
3437 -
3438 - // Handle processed/unprocessed filter
3439 - if ($processed_filter === 'processed' && !empty($processed_ids)) {
3440 - $args['post__in'] = $processed_ids;
3441 - } elseif ($processed_filter === 'unprocessed' && !empty($processed_ids)) {
3442 - $args['post__not_in'] = $processed_ids;
3443 - }
3444 -
3445 - // Run the query
3446 - $query = new WP_Query($args);
3447 - $content_items = array();
3448 -
3449 - if ($query->have_posts()) {
3450 - while ($query->have_posts()) {
3451 - $query->the_post();
3452 - $id = get_the_ID();
3453 - $post_date = get_the_date();
3454 - $excerpt = wp_trim_words(get_the_excerpt(), 20, '...');
3455 - $word_count = str_word_count(strip_tags(get_the_content()));
3456 -
3457 - $is_processed = in_array($id, $processed_ids);
3458 - $processed_date = '';
3459 - $db_record_id = 0;
3460 - $data_source = 'none';
3461 -
3462 - if ($is_processed && isset($processed_data[$id])) {
3463 - $item_data = $processed_data[$id];
3464 - $data_source = $item_data['source'];
3465 -
3466 - if ($data_source === 'wordpress' && isset($item_data['timestamp'])) {
3467 - // WordPress DB format
3468 - $timestamp = strtotime($item_data['timestamp']);
3469 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
3470 - $db_record_id = $item_data['db_id'];
3471 - } elseif ($data_source === 'pinecone') {
3472 - // Pinecone format
3473 - $processed_date = $item_data['processed_date'];
3474 - $db_record_id = $item_data['db_id'];
3475 - }
3476 - }
3477 -
3478 - // Get chunk count for this item
3479 - $chunk_count = 0;
3480 - if ($is_processed && isset($processed_data[$id]['chunk_count'])) {
3481 - $chunk_count = intval($processed_data[$id]['chunk_count']);
3482 - }
3483 -
3484 - $content_items[] = array(
3485 - 'id' => $id,
3486 - 'title' => get_the_title(),
3487 - 'permalink' => get_permalink(),
3488 - 'date' => $post_date,
3489 - 'type' => get_post_type(),
3490 - 'status' => get_post_status(),
3491 - 'excerpt' => $excerpt,
3492 - 'word_count' => $word_count,
3493 - 'already_processed' => $is_processed,
3494 - 'processed_date' => $processed_date,
3495 - 'db_record_id' => $db_record_id,
3496 - 'data_source' => $data_source,
3497 - 'chunk_count' => $chunk_count
3498 - );
3499 - }
3500 - wp_reset_postdata();
3501 - }
3502 -
3503 - $response = array(
3504 - 'items' => $content_items,
3505 - 'total' => $query->found_posts,
3506 - 'total_pages' => $query->max_num_pages,
3507 - 'current_page' => $page,
3508 - 'processed_count' => count($processed_ids)
3509 - );
3510 -
3511 - wp_send_json_success($response);
3512 - exit;
3513 -}
3514 -
3515 -
3516 -/**
3517 - * This function handles various WooCommerce URL formats and permalink structures
3518 - */
3519 -private function mxchat_url_to_post_id_improved($url) {
3520 - // First try the standard WordPress function
3521 - $post_id = url_to_postid($url);
3522 -
3523 - if ($post_id > 0) {
3524 - return $post_id;
3525 - }
3526 -
3527 - // If that fails, try more aggressive URL matching
3528 - // Remove trailing slashes and query parameters for better matching
3529 - $clean_url = rtrim($url, '/');
3530 - $clean_url = strtok($clean_url, '?'); // Remove query parameters
3531 -
3532 - // Try again with cleaned URL
3533 - $post_id = url_to_postid($clean_url);
3534 - if ($post_id > 0) {
3535 - return $post_id;
3536 - }
3537 -
3538 - // For bbPress forum topics, try extracting slug from URL
3539 - if (strpos($url, '/topic/') !== false || strpos($url, '/forums/') !== false) {
3540 - // Handle bbPress URLs: /forums/topic/topic-name/
3541 - if (preg_match('/\/forums\/topic\/([^\/\?]+)/', $url, $matches)) {
3542 - $topic_slug = $matches[1];
3543 -
3544 - // Look up topic by slug
3545 - $topic = get_page_by_path($topic_slug, OBJECT, 'topic');
3546 - if ($topic) {
3547 - return $topic->ID;
3548 - }
3549 -
3550 - // Alternative method: query by post_name
3551 - global $wpdb;
3552 - $post_id = $wpdb->get_var($wpdb->prepare(
3553 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
3554 - $topic_slug
3555 - ));
3556 -
3557 - if ($post_id) {
3558 - return intval($post_id);
3559 - }
3560 - }
3561 -
3562 - // Handle simpler topic URLs: /topic/topic-name/
3563 - if (preg_match('/\/topic\/([^\/\?]+)/', $url, $matches)) {
3564 - $topic_slug = $matches[1];
3565 -
3566 - global $wpdb;
3567 - $post_id = $wpdb->get_var($wpdb->prepare(
3568 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
3569 - $topic_slug
3570 - ));
3571 -
3572 - if ($post_id) {
3573 - return intval($post_id);
3574 - }
3575 - }
3576 - }
3577 -
3578 - // For WooCommerce products
3579 - if (strpos($url, '/product/') !== false || strpos($url, 'product=') !== false) {
3580 - // Extract product slug from various URL formats
3581 - $product_slug = '';
3582 -
3583 - // Handle pretty permalinks: /product/product-name/
3584 - if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
3585 - $product_slug = $matches[1];
3586 - }
3587 - // Handle query parameters: ?product=product-name
3588 - elseif (preg_match('/[\?&]product=([^&]+)/', $url, $matches)) {
3589 - $product_slug = $matches[1];
3590 - }
3591 -
3592 - if (!empty($product_slug)) {
3593 - // Look up product by slug
3594 - $product = get_page_by_path($product_slug, OBJECT, 'product');
3595 - if ($product) {
3596 - return $product->ID;
3597 - }
3598 -
3599 - // Alternative method: query by post_name
3600 - global $wpdb;
3601 - $post_id = $wpdb->get_var($wpdb->prepare(
3602 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'product' AND post_status = 'publish'",
3603 - $product_slug
3604 - ));
3605 -
3606 - if ($post_id) {
3607 - return intval($post_id);
3608 - }
3609 - }
3610 - }
3611 -
3612 - // Generic approach: try to extract slug and match against all post types
3613 - $parsed_url = wp_parse_url($clean_url);
3614 - $path = $parsed_url['path'] ?? '';
3615 -
3616 - if (!empty($path)) {
3617 - // Get the last part of the path as potential slug
3618 - $path_parts = array_filter(explode('/', trim($path, '/')));
3619 - $potential_slug = end($path_parts);
3620 -
3621 - if (!empty($potential_slug)) {
3622 - global $wpdb;
3623 -
3624 - // Try to find any post with this slug
3625 - $post_id = $wpdb->get_var($wpdb->prepare(
3626 - "SELECT ID FROM {$wpdb->posts}
3627 - WHERE post_name = %s
3628 - AND post_status IN ('publish', 'closed', 'private')
3629 - AND post_type NOT IN ('revision', 'attachment', 'nav_menu_item')
3630 - ORDER BY CASE
3631 - WHEN post_type = 'post' THEN 1
3632 - WHEN post_type = 'page' THEN 2
3633 - WHEN post_type = 'topic' THEN 3
3634 - WHEN post_type = 'product' THEN 4
3635 - ELSE 5
3636 - END
3637 - LIMIT 1",
3638 - $potential_slug
3639 - ));
3640 -
3641 - if ($post_id) {
3642 - return intval($post_id);
3643 - }
3644 - }
3645 - }
3646 -
3647 - // ADDITIONAL: Try direct database lookup by URL variations
3648 - global $wpdb;
3649 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3650 -
3651 - // Try variations of the URL (with/without trailing slash, http/https)
3652 - $url_variations = array(
3653 - $url,
3654 - rtrim($url, '/'),
3655 - $url . '/',
3656 - str_replace('http://', 'https://', $url),
3657 - str_replace('https://', 'http://', $url),
3658 - str_replace('http://', 'https://', rtrim($url, '/')),
3659 - str_replace('https://', 'http://', rtrim($url, '/'))
3660 - );
3661 -
3662 - // Remove duplicates
3663 - $url_variations = array_unique($url_variations);
3664 -
3665 - foreach ($url_variations as $variation) {
3666 - $existing_record = $wpdb->get_row($wpdb->prepare(
3667 - "SELECT id, source_url FROM $table_name WHERE source_url = %s",
3668 - $variation
3669 - ));
3670 -
3671 - if ($existing_record) {
3672 - // Try to get post ID from this stored URL
3673 - $stored_post_id = url_to_postid($existing_record->source_url);
3674 - if ($stored_post_id > 0) {
3675 - return $stored_post_id;
3676 - }
3677 - }
3678 - }
3679 -
3680 - return 0; // No match found
3681 -}
3682 -/**
3683 - * Process selected content via AJAX
3684 - */
3685 -public function ajax_mxchat_process_selected_content() {
3686 - // Basic request validation
3687 - if (!check_ajax_referer('mxchat_content_selector_nonce', 'nonce', false)) {
3688 - wp_send_json_error('Invalid nonce');
3689 - exit;
3690 - }
3691 -
3692 - if (!current_user_can('manage_options')) {
3693 - wp_send_json_error('Unauthorized access');
3694 - exit;
3695 - }
3696 -
3697 - // Get post IDs - safely parse the array
3698 - $post_ids = array();
3699 - if (isset($_POST['post_ids']) && is_array($_POST['post_ids'])) {
3700 - foreach ($_POST['post_ids'] as $id) {
3701 - $post_ids[] = absint($id);
3702 - }
3703 - }
3704 -
3705 - if (empty($post_ids)) {
3706 - wp_send_json_error('No content selected');
3707 - exit;
3708 - }
3709 -
3710 - // Get bot_id from request
3711 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
3712 -
3713 - // ACF→PDF extraction is opt-in per import batch. Persist the last-used value so users
3714 - // don't re-check on every batch; the default is OFF for installs that haven't set it.
3715 - $extract_acf_pdfs = !empty($_POST['extract_acf_pdfs']) && $_POST['extract_acf_pdfs'] !== 'false';
3716 - $mxchat_options = get_option('mxchat_options', array());
3717 - if (!is_array($mxchat_options)) {
3718 - $mxchat_options = array();
3719 - }
3720 - $prior_default = !empty($mxchat_options['acf_pdf_extract_default']);
3721 - if ($prior_default !== $extract_acf_pdfs) {
3722 - $mxchat_options['acf_pdf_extract_default'] = $extract_acf_pdfs ? 1 : 0;
3723 - update_option('mxchat_options', $mxchat_options);
3724 - }
3725 -
3726 - // Process only ONE post at a time to avoid request size issues
3727 - $post_id = reset($post_ids);
3728 - $post = get_post($post_id);
3729 -
3730 - if (!$post) {
3731 - wp_send_json_error('Post not found');
3732 - exit;
3733 - }
3734 -
3735 - // Allow developers to modify post data before processing into knowledge base
3736 - $post = apply_filters('mxchat_before_process_post', $post, $bot_id);
3737 -
3738 - // Get content including title, short description (for WooCommerce), and main content
3739 - $content = $post->post_title . "\n\n";
3740 -
3741 - // Add short description if it exists (WooCommerce products use post_excerpt for short description)
3742 - if (!empty($post->post_excerpt)) {
3743 - // Remove shortcode tags but preserve content inside them
3744 - $clean_excerpt = $this->strip_shortcode_tags_preserve_content($post->post_excerpt);
3745 - $content .= "Short Description: " . wp_strip_all_tags($clean_excerpt) . "\n\n";
3746 - }
3747 -
3748 - // Add main content - remove shortcode tags but preserve content inside them
3749 - $clean_content = $this->strip_shortcode_tags_preserve_content($post->post_content);
3750 - $content .= wp_strip_all_tags($clean_content);
3751 -
3752 - // ADD WOOCOMMERCE PRODUCT DATA (pricing, stock, categories, custom tabs)
3753 - if (get_post_type($post_id) === 'product' && class_exists('WooCommerce')) {
3754 - $product = wc_get_product($post_id);
3755 -
3756 - if ($product) {
3757 - // Get pricing information
3758 - $regular_price = $product->get_regular_price();
3759 - $sale_price = $product->get_sale_price();
3760 - $price = $product->get_price();
3761 - $sku = $product->get_sku();
3762 -
3763 - // Get currency symbol
3764 - $currency_symbol = get_woocommerce_currency_symbol();
3765 -
3766 - // Add pricing information
3767 - $content .= "\n";
3768 - if (!empty($regular_price)) {
3769 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
3770 - } elseif (!empty($price)) {
3771 - $content .= "Price: " . $currency_symbol . $price . "\n";
3772 - }
3773 -
3774 - if (!empty($sale_price) && $sale_price !== $regular_price) {
3775 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
3776 - }
3777 -
3778 - // Handle variable products - show price range
3779 - if ($product->is_type('variable')) {
3780 - $min_price = $product->get_variation_price('min');
3781 - $max_price = $product->get_variation_price('max');
3782 - if ($min_price !== $max_price) {
3783 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
3784 - }
3785 - }
3786 -
3787 - if (!empty($sku)) {
3788 - $content .= "SKU: " . $sku . "\n";
3789 - }
3790 -
3791 - // Get product categories
3792 - $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
3793 - if (!empty($categories) && !is_wp_error($categories)) {
3794 - $content .= "Categories: " . implode(', ', $categories) . "\n";
3795 - }
3796 - }
3797 -
3798 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
3799 - $custom_tabs = get_post_meta($post_id, 'yikes_woo_products_tabs', true);
3800 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
3801 - foreach ($custom_tabs as $tab) {
3802 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
3803 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
3804 -
3805 - if (!empty($tab_title) && !empty($tab_content)) {
3806 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
3807 - }
3808 - }
3809 - }
3810 -
3811 - // Also check for reusable/saved tabs applied to this product
3812 - $applied_saved_tabs = get_post_meta($post_id, 'yikes_woo_reusable_products_tabs_applied', true);
3813 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
3814 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
3815 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
3816 - foreach ($applied_saved_tabs as $saved_tab_id) {
3817 - if (isset($saved_tabs[$saved_tab_id])) {
3818 - $tab = $saved_tabs[$saved_tab_id];
3819 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
3820 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
3821 -
3822 - if (!empty($tab_title) && !empty($tab_content)) {
3823 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
3824 - }
3825 - }
3826 - }
3827 - }
3828 - }
3829 - }
3830 -
3831 - // ADD ACF FIELDS SUPPORT
3832 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
3833 - $pdf_extracted_count = 0;
3834 - if (!empty($acf_fields)) {
3835 - $acf_content_parts = array();
3836 - $pdf_attachment_ids = array();
3837 -
3838 - foreach ($acf_fields as $field_name => $field_value) {
3839 - $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
3840 -
3841 - if (!empty($formatted_value)) {
3842 - $field_label = ucwords(str_replace('_', ' ', $field_name));
3843 - $acf_content_parts[] = $field_label . ": " . $formatted_value;
3844 - }
3845 -
3846 - // Walk this field's value tree for any PDF attachment references and queue them for extraction.
3847 - // Only when the user opted into ACF→PDF extraction for this batch; otherwise the ACF text
3848 - // still lands in the KB but the heavier PDF parsing is skipped.
3849 - if ($extract_acf_pdfs) {
3850 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($field_value, $pdf_attachment_ids);
3851 - }
3852 - }
3853 -
3854 - if (!empty($acf_content_parts)) {
3855 - $content .= "\n\n" . implode("\n", $acf_content_parts);
3856 - }
3857 -
3858 - // Extract text from each unique PDF found in ACF fields and append as a labeled section
3859 - if ($extract_acf_pdfs && !empty($pdf_attachment_ids)) {
3860 - $pdf_attachment_ids = array_unique(array_filter(array_map('intval', $pdf_attachment_ids)));
3861 - $pdf_sections = array();
3862 - foreach ($pdf_attachment_ids as $att_id) {
3863 - $pdf_text = $this->mxchat_extract_pdf_text_by_attachment_id($att_id);
3864 - if (!empty($pdf_text)) {
3865 - $pdf_title = get_the_title($att_id);
3866 - $pdf_url = wp_get_attachment_url($att_id);
3867 - $header = 'PDF Attachment';
3868 - if (!empty($pdf_title)) {
3869 - $header .= ': ' . $pdf_title;
3870 - }
3871 - if (!empty($pdf_url)) {
3872 - $header .= ' (' . $pdf_url . ')';
3873 - }
3874 - $pdf_sections[] = $header . "\n" . $pdf_text;
3875 - $pdf_extracted_count++;
3876 - }
3877 - }
3878 - if (!empty($pdf_sections)) {
3879 - $content .= "\n\nAttached PDFs:\n" . implode("\n\n", $pdf_sections);
3880 - }
3881 - }
3882 - }
3883 -
3884 - // ADD CUSTOM POST META SUPPORT (whitelisted non-ACF meta fields)
3885 - $custom_meta = $this->mxchat_get_whitelisted_post_meta($post_id);
3886 - if (!empty($custom_meta)) {
3887 - $meta_content_parts = array();
3888 -
3889 - foreach ($custom_meta as $meta_key => $meta_value) {
3890 - // Convert meta key to readable label
3891 - $meta_label = ucwords(str_replace(array('_', '-'), ' ', $meta_key));
3892 - $meta_content_parts[] = $meta_label . ": " . $meta_value;
3893 - }
3894 -
3895 - if (!empty($meta_content_parts)) {
3896 - $content .= "\n\n" . implode("\n", $meta_content_parts);
3897 - }
3898 - }
3899 -
3900 - // Debug logging for WordPress Import content
3901 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Post ID: ' . $post_id . ' Title: ' . $post->post_title);
3902 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Raw post_content length: ' . strlen($post->post_content));
3903 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Final content length: ' . strlen($content));
3904 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Content preview: ' . substr($content, 0, 300));
3905 -
3906 - // Note: Removed 10,000 char limit - chunking now handles large content properly
3907 -
3908 - // Get bot-specific API key
3909 - $bot_options = $this->get_bot_options($bot_id);
3910 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
3911 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
3912 -
3913 - if (strpos($selected_model, 'voyage') === 0) {
3914 - $api_key = $options['voyage_api_key'] ?? '';
3915 - $provider_name = 'Voyage AI';
3916 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
3917 - $api_key = $options['gemini_api_key'] ?? '';
3918 - $provider_name = 'Google Gemini';
3919 - } else {
3920 - $api_key = $options['api_key'] ?? '';
3921 - $provider_name = 'OpenAI';
3922 - }
3923 -
3924 - if (empty($api_key)) {
3925 - MxChat_Admin::mxchat_log_debug('api_error', $provider_name . ' API key not configured for knowledge processing');
3926 - wp_send_json_error($provider_name . ' API key not configured');
3927 - exit;
3928 - }
3929 -
3930 - $source_url = get_permalink($post_id);
3931 - $vector_id = md5($source_url); // Vector ID for Pinecone
3932 -
3933 - // Check for existing content in bot-specific storage
3934 - $is_update = false;
3935 -
3936 - // Get bot-specific Pinecone configuration
3937 - $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
3938 - $use_pinecone = !empty($bot_pinecone_config) && ($bot_pinecone_config['use_pinecone'] ?? false);
3939 -
3940 - if ($use_pinecone && !empty($bot_pinecone_config['api_key'])) {
3941 - // Check Pinecone for this bot
3942 - $pinecone_data = $this->mxchat_get_pinecone_processed_content($bot_pinecone_config);
3943 - if (isset($pinecone_data[$post_id])) {
3944 - $is_update = true;
3945 - }
3946 - } else {
3947 - // Check WordPress DB (same as before since it's shared)
3948 - global $wpdb;
3949 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3950 - $existing_record = $wpdb->get_row($wpdb->prepare(
3951 - "SELECT id FROM $table_name WHERE source_url = %s",
3952 - $source_url
3953 - ));
3954 -
3955 - if ($existing_record) {
3956 - $is_update = true;
3957 - }
3958 - }
3959 -
3960 - // UPDATED 2.5.6: Determine content type based on post_type
3961 - $post_type = $post->post_type;
3962 - $content_type = 'content'; // Default fallback
3963 -
3964 - // Map WordPress post types to content types
3965 - switch ($post_type) {
3966 - case 'post':
3967 - $content_type = 'post';
3968 - break;
3969 - case 'page':
3970 - $content_type = 'page';
3971 - break;
3972 - case 'product':
3973 - $content_type = 'product';
3974 - break;
3975 - default:
3976 - // For custom post types, use the post type name
3977 - $content_type = sanitize_key($post_type);
3978 - break;
3979 - }
3980 -
3981 - // Use the centralized utility function with bot_id and content_type
3982 - $result = MxChat_Utils::submit_content_to_db(
3983 - $content,
3984 - $source_url,
3985 - $api_key,
3986 - $vector_id,
3987 - $bot_id,
3988 - $content_type
3989 - );
3990 -
3991 - if (is_wp_error($result)) {
3992 - MxChat_Admin::mxchat_log_debug('storage_error', 'Knowledge storage failed: ' . $result->get_error_message(), array('source_url' => $source_url));
3993 - wp_send_json_error('Storage failed: ' . $result->get_error_message());
3994 - exit;
3995 - }
3996 -
3997 - // Automatically apply role restriction based on tags
3998 - $this->apply_role_restriction_to_post($post_id, $source_url);
3999 -
4000 - $operation_type = $is_update ? 'update' : 'new';
4001 -
4002 - // Count ACF fields for debugging
4003 - $acf_field_count = count($acf_fields);
4004 -
4005 - // Success response with minimal data
4006 - wp_send_json_success(array(
4007 - 'message' => $operation_type === 'update' ? 'Content updated successfully' : 'Content processed successfully',
4008 - 'post_id' => $post_id,
4009 - 'title' => $post->post_title,
4010 - 'operation_type' => $operation_type,
4011 - 'vector_id' => $vector_id,
4012 - 'acf_fields_found' => $acf_field_count,
4013 - 'pdf_extracted_count' => (int) $pdf_extracted_count,
4014 - 'content_preview' => substr($content, 0, 100) . '...',
4015 - 'bot_id' => $bot_id
4016 - ));
4017 - exit;
4018 -}
4019 -
4020 -private function apply_role_restriction_to_post($post_id, $source_url) {
4021 - // Get tag-role mappings
4022 - $mappings = get_option('mxchat_tag_role_mappings', array());
4023 -
4024 - if (empty($mappings)) {
4025 - return; // No mappings, leave as public
4026 - }
4027 -
4028 - // Get all tags for the post
4029 - $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
4030 -
4031 - if (empty($post_tags)) {
4032 - return; // No tags, leave as public
4033 - }
4034 -
4035 - // Determine the highest role restriction based on tags
4036 - $highest_role = 'public';
4037 - $role_hierarchy = array(
4038 - 'public' => 0,
4039 - 'logged_in' => 1,
4040 - 'subscriber' => 2,
4041 - 'contributor' => 3,
4042 - 'author' => 4,
4043 - 'editor' => 5,
4044 - 'administrator' => 6
4045 - );
4046 -
4047 - foreach ($post_tags as $tag_slug) {
4048 - if (isset($mappings[$tag_slug])) {
4049 - $role = $mappings[$tag_slug];
4050 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
4051 - $highest_role = $role;
4052 - }
4053 - }
4054 - }
4055 -
4056 - // If no restricted tags found, return (leave as public)
4057 - if ($highest_role === 'public') {
4058 - return;
4059 - }
4060 -
4061 - // Update the role restriction in the database
4062 - global $wpdb;
4063 -
4064 - // Check if using Pinecone
4065 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4066 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4067 -
4068 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
4069 - // Update Pinecone role restriction
4070 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
4071 - $vector_id = md5($source_url);
4072 -
4073 - $wpdb->replace(
4074 - $roles_table,
4075 - array(
4076 - 'vector_id' => $vector_id,
4077 - 'role_restriction' => $highest_role,
4078 - 'updated_at' => current_time('mysql')
4079 - ),
4080 - array('%s', '%s', '%s')
4081 - );
4082 - } else {
4083 - // Update WordPress DB
4084 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4085 -
4086 - $wpdb->update(
4087 - $table_name,
4088 - array('role_restriction' => $highest_role),
4089 - array('source_url' => $source_url),
4090 - array('%s'),
4091 - array('%s')
4092 - );
4093 - }
4094 -}
4095 -
4096 -public function mxchat_get_public_post_types() {
4097 - // Get all public post types
4098 - $post_types = get_post_types(array('public' => true), 'objects');
4099 - $post_type_options = array();
4100 -
4101 - foreach ($post_types as $post_type) {
4102 - $post_type_options[$post_type->name] = $post_type->label;
4103 - }
4104 -
4105 - // Also include common forum/community post types that might not be marked as public
4106 - $additional_types = array(
4107 - 'topic' => 'Forum Topics (bbPress)',
4108 - 'reply' => 'Forum Replies (bbPress)',
4109 - 'forum' => 'Forums (bbPress)',
4110 - 'wpforo_topic' => 'wpForo Topics',
4111 - 'wpforo_post' => 'wpForo Posts'
4112 - );
4113 -
4114 - foreach ($additional_types as $type_name => $type_label) {
4115 - if (post_type_exists($type_name) && !isset($post_type_options[$type_name])) {
4116 - $post_type_options[$type_name] = $type_label;
4117 - }
4118 - }
4119 -
4120 - return $post_type_options;
4121 -}
4122 -
4123 -/**
4124 - * Retrieves processed content from Pinecone API
4125 - */
4126 -public function mxchat_get_pinecone_processed_content($pinecone_options) {
4127 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4128 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4129 -
4130 - if (empty($api_key) || empty($host)) {
4131 - return array();
4132 - }
4133 -
4134 - $pinecone_data = array();
4135 -
4136 - try {
4137 - // Always get fresh data from Pinecone
4138 - $pinecone_data = $this->mxchat_scan_pinecone_for_processed_content($pinecone_options);
4139 -
4140 - // Method 2: Final fallback - try stats endpoint (if available)
4141 - if (empty($pinecone_data)) {
4142 - $stats_url = "https://{$host}/describe_index_stats";
4143 -
4144 - $response = wp_remote_post($stats_url, array(
4145 - 'headers' => array(
4146 - 'Api-Key' => $api_key,
4147 - 'Content-Type' => 'application/json'
4148 - ),
4149 - 'body' => json_encode(array()),
4150 - 'timeout' => 30
4151 - ));
4152 -
4153 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
4154 - $body = wp_remote_retrieve_body($response);
4155 - $stats_data = json_decode($body, true);
4156 - }
4157 - }
4158 -
4159 - } catch (Exception $e) {
4160 - // Log error but return fresh data only
4161 - }
4162 -
4163 - return $pinecone_data;
4164 -}
4165 -public function mxchat_fetch_pinecone_vectors_by_ids($pinecone_options, $vector_ids) {
4166 - //error_log('=== DEBUG: Starting mxchat_fetch_pinecone_vectors_by_ids ===');
4167 -
4168 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4169 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4170 -
4171 - if (empty($api_key) || empty($host) || empty($vector_ids)) {
4172 - //error_log('DEBUG: Missing parameters for fetch by IDs');
4173 - return array();
4174 - }
4175 -
4176 - try {
4177 - $fetch_url = "https://{$host}/vectors/fetch";
4178 - //error_log('DEBUG: Fetch URL: ' . $fetch_url);
4179 - //error_log('DEBUG: Fetching ' . count($vector_ids) . ' vector IDs');
4180 -
4181 - // Pinecone fetch API allows fetching specific vectors by ID
4182 - $fetch_data = array(
4183 - 'ids' => array_values($vector_ids)
4184 - );
4185 -
4186 - $response = wp_remote_post($fetch_url, array(
4187 - 'headers' => array(
4188 - 'Api-Key' => $api_key,
4189 - 'Content-Type' => 'application/json'
4190 - ),
4191 - 'body' => json_encode($fetch_data),
4192 - 'timeout' => 30
4193 - ));
4194 -
4195 - if (is_wp_error($response)) {
4196 - //error_log('DEBUG: Fetch by IDs WP error: ' . $response->get_error_message());
4197 - return array();
4198 - }
4199 -
4200 - $response_code = wp_remote_retrieve_response_code($response);
4201 - //error_log('DEBUG: Fetch response code: ' . $response_code);
4202 -
4203 - if ($response_code !== 200) {
4204 - $error_body = wp_remote_retrieve_body($response);
4205 - //error_log('DEBUG: Fetch failed with body: ' . $error_body);
4206 - return array();
4207 - }
4208 -
4209 - $body = wp_remote_retrieve_body($response);
4210 - $data = json_decode($body, true);
4211 -
4212 - //error_log('DEBUG: Fetch response structure: ' . print_r(array_keys($data), true));
4213 -
4214 - if (!isset($data['vectors'])) {
4215 - //error_log('DEBUG: No vectors key in response');
4216 - return array();
4217 - }
4218 -
4219 - $processed_data = array();
4220 -
4221 - foreach ($data['vectors'] as $vector_id => $vector_data) {
4222 - $metadata = $vector_data['metadata'] ?? array();
4223 - $source_url = $metadata['source_url'] ?? '';
4224 -
4225 - if (!empty($source_url)) {
4226 - $post_id = url_to_postid($source_url);
4227 - if ($post_id) {
4228 - $created_at = $metadata['created_at'] ?? '';
4229 - $processed_date = 'Recently';
4230 -
4231 - if (!empty($created_at)) {
4232 - $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
4233 - if ($timestamp) {
4234 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
4235 - }
4236 - }
4237 -
4238 - $processed_data[$post_id] = array(
4239 - 'db_id' => $vector_id,
4240 - 'processed_date' => $processed_date,
4241 - 'url' => $source_url,
4242 - 'source' => 'pinecone',
4243 - 'timestamp' => $timestamp ?? current_time('timestamp')
4244 - );
4245 - }
4246 - }
4247 - }
4248 -
4249 - //error_log('DEBUG: Processed ' . count($processed_data) . ' vectors from fetch');
4250 - return $processed_data;
4251 -
4252 - } catch (Exception $e) {
4253 - //error_log('DEBUG: Exception in fetch_pinecone_vectors_by_ids: ' . $e->getMessage());
4254 - return array();
4255 - }
4256 -}
4257 -
4258 -/**
4259 - * Get embedding dimensions based on the selected model.
4260 - */
4261 -private function mxchat_get_embedding_dimensions() {
4262 - $options = get_option('mxchat_options', array());
4263 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4264 -
4265 - $model_dimensions = array(
4266 - 'text-embedding-ada-002' => 1536,
4267 - 'text-embedding-3-small' => 1536,
4268 - 'text-embedding-3-large' => 3072,
4269 - 'voyage-2' => 1024,
4270 - 'voyage-large-2' => 1536,
4271 - 'voyage-3-large' => 2048,
4272 - 'gemini-embedding-001' => 1536,
4273 - );
4274 -
4275 - if (strpos($selected_model, 'voyage-3-large') === 0) {
4276 - $custom_dimensions = $options['voyage_output_dimension'] ?? 2048;
4277 - return intval($custom_dimensions);
4278 - }
4279 -
4280 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4281 - $custom_dimensions = $options['gemini_output_dimension'] ?? 1536;
4282 - return intval($custom_dimensions);
4283 - }
4284 -
4285 - return $model_dimensions[$selected_model] ?? 1536;
4286 -}
4287 -
4288 -/**
4289 - * Scan Pinecone for processed content
4290 - */
4291 -public function mxchat_scan_pinecone_for_processed_content($pinecone_options) {
4292 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4293 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4294 -
4295 - if (empty($api_key) || empty($host)) {
4296 - return array();
4297 - }
4298 -
4299 - try {
4300 - // Use multiple random vectors to get better coverage
4301 - $all_matches = array();
4302 - $seen_ids = array();
4303 -
4304 - // Get correct dimensions for the configured embedding model
4305 - $dimensions = $this->mxchat_get_embedding_dimensions();
4306 -
4307 - // Try 3 different random vectors to get better coverage
4308 - for ($i = 0; $i < 3; $i++) {
4309 - $query_url = "https://{$host}/query";
4310 -
4311 - // Generate a random unit vector instead of zeros
4312 - $random_vector = array();
4313 - for ($j = 0; $j < $dimensions; $j++) {
4314 - $random_vector[] = (rand(-1000, 1000) / 1000.0);
4315 - }
4316 -
4317 - // Normalize the vector to unit length
4318 - $magnitude = sqrt(array_sum(array_map(function($x) { return $x * $x; }, $random_vector)));
4319 - if ($magnitude > 0) {
4320 - $random_vector = array_map(function($x) use ($magnitude) { return $x / $magnitude; }, $random_vector);
4321 - }
4322 -
4323 - $query_data = array(
4324 - 'includeMetadata' => true,
4325 - 'includeValues' => false,
4326 - 'topK' => 10000,
4327 - 'vector' => $random_vector
4328 - );
4329 -
4330 - $response = wp_remote_post($query_url, array(
4331 - 'headers' => array(
4332 - 'Api-Key' => $api_key,
4333 - 'Content-Type' => 'application/json'
4334 - ),
4335 - 'body' => json_encode($query_data),
4336 - 'timeout' => 30
4337 - ));
4338 -
4339 - if (is_wp_error($response)) {
4340 - continue;
4341 - }
4342 -
4343 - $response_code = wp_remote_retrieve_response_code($response);
4344 -
4345 - if ($response_code !== 200) {
4346 - continue;
4347 - }
4348 -
4349 - $body = wp_remote_retrieve_body($response);
4350 - $data = json_decode($body, true);
4351 -
4352 - if (isset($data['matches'])) {
4353 - foreach ($data['matches'] as $match) {
4354 - $match_id = $match['id'] ?? '';
4355 - if (!empty($match_id) && !isset($seen_ids[$match_id])) {
4356 - $all_matches[] = $match;
4357 - $seen_ids[$match_id] = true;
4358 - }
4359 - }
4360 - }
4361 - }
4362 -
4363 - // Convert matches to processed data format, grouping by URL to count chunks
4364 - $processed_data = array();
4365 - $url_chunk_counts = array();
4366 -
4367 - foreach ($all_matches as $match) {
4368 - $metadata = $match['metadata'] ?? array();
4369 - $source_url = $metadata['source_url'] ?? '';
4370 - $match_id = $match['id'] ?? '';
4371 -
4372 - if (!empty($source_url) && !empty($match_id)) {
4373 - $post_id = url_to_postid($source_url);
4374 - if ($post_id) {
4375 - // Count chunks per post_id
4376 - if (!isset($url_chunk_counts[$post_id])) {
4377 - $url_chunk_counts[$post_id] = 0;
4378 - }
4379 - $url_chunk_counts[$post_id]++;
4380 -
4381 - $created_at = $metadata['created_at'] ?? '';
4382 - $processed_date = 'Recently';
4383 -
4384 - if (!empty($created_at)) {
4385 - $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
4386 - if ($timestamp) {
4387 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
4388 - }
4389 - }
4390 -
4391 - // Only store if not already set, or update with newer timestamp
4392 - if (!isset($processed_data[$post_id]) ||
4393 - ($timestamp ?? 0) > ($processed_data[$post_id]['timestamp'] ?? 0)) {
4394 - $processed_data[$post_id] = array(
4395 - 'db_id' => $match_id,
4396 - 'processed_date' => $processed_date,
4397 - 'url' => $source_url,
4398 - 'source' => 'pinecone',
4399 - 'timestamp' => $timestamp ?? current_time('timestamp')
4400 - );
4401 - }
4402 - }
4403 - }
4404 - }
4405 -
4406 - // Add chunk counts to processed data
4407 - foreach ($url_chunk_counts as $post_id => $chunk_count) {
4408 - if (isset($processed_data[$post_id])) {
4409 - $processed_data[$post_id]['chunk_count'] = $chunk_count;
4410 - }
4411 - }
4412 -
4413 - return $processed_data;
4414 -
4415 - } catch (Exception $e) {
4416 - return array();
4417 - }
4418 -}
4419 -/**
4420 - * Generate embeddings from input text for MXChat with bot support
4421 - */
4422 -private function mxchat_generate_embedding($text, $bot_id = 'default') {
4423 - // Enable detailed logging for debugging
4424 - //error_log('[MXCHAT-EMBED] Starting embedding generation for bot: ' . $bot_id . '. Text length: ' . strlen($text) . ' bytes');
4425 - //error_log('[MXCHAT-EMBED] Text preview: ' . substr($text, 0, 100) . '...');
4426 -
4427 - // Get bot-specific options
4428 - $bot_options = $this->get_bot_options($bot_id);
4429 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
4430 -
4431 - // Opt-in: when the custom provider is selected for embeddings, index through
4432 - // the same custom endpoint the query path uses so stored vectors and query
4433 - // vectors share a model. Returns the vector array on success, or an error
4434 - // string on failure (this function's existing failure contract).
4435 - if (isset($options['custom_provider_for_embeddings']) && $options['custom_provider_for_embeddings'] === 'on') {
4436 - if (!class_exists('MxChat_Utils')) {
4437 - require_once dirname(__FILE__) . '/../includes/class-mxchat-utils.php';
4438 - }
4439 - return MxChat_Utils::generate_embedding_custom($text, $options);
4440 - }
4441 -
4442 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4443 - //error_log('[MXCHAT-EMBED] Selected embedding model for bot ' . $bot_id . ': ' . $selected_model);
4444 -
4445 - // Determine provider and endpoint
4446 - if (strpos($selected_model, 'voyage') === 0) {
4447 - $api_key = $options['voyage_api_key'] ?? '';
4448 - $endpoint = 'https://api.voyageai.com/v1/embeddings';
4449 - $provider_name = 'Voyage AI';
4450 - //error_log('[MXCHAT-EMBED] Using Voyage AI API for bot ' . $bot_id);
4451 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
4452 - $api_key = $options['gemini_api_key'] ?? '';
4453 - $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
4454 - $provider_name = 'Google Gemini';
4455 - //error_log('[MXCHAT-EMBED] Using Google Gemini API for bot ' . $bot_id);
4456 - } else {
4457 - $api_key = $options['api_key'] ?? '';
4458 - $endpoint = 'https://api.openai.com/v1/embeddings';
4459 - $provider_name = 'OpenAI';
4460 - //error_log('[MXCHAT-EMBED] Using OpenAI API for bot ' . $bot_id);
4461 - }
4462 -
4463 - //error_log('[MXCHAT-EMBED] Using endpoint: ' . $endpoint);
4464 -
4465 - if (empty($api_key)) {
4466 - $error_message = sprintf('Missing %s API key for bot %s. Please configure your API key in the bot settings.', $provider_name, $bot_id);
4467 - //error_log('[MXCHAT-EMBED] Error: ' . $error_message);
4468 - return $error_message;
4469 - }
4470 -
4471 - // Check if text is too long (for OpenAI, roughly estimate tokens as words/0.75)
4472 - $estimated_tokens = ceil(str_word_count($text) / 0.75);
4473 - //error_log('[MXCHAT-EMBED] Estimated token count: ~' . $estimated_tokens);
4474 -
4475 - if ($estimated_tokens > 8000 && strpos($selected_model, 'voyage') === false && strpos($selected_model, 'gemini-embedding') === false) {
4476 - //error_log('[MXCHAT-EMBED] Warning: Text may exceed OpenAI token limits (8K for most models)');
4477 - // Consider truncating text here
4478 - }
4479 -
4480 - // Prepare request body based on provider
4481 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4482 - // Gemini API format
4483 - $request_body = array(
4484 - 'model' => 'models/' . $selected_model,
4485 - 'content' => array(
4486 - 'parts' => array(
4487 - array('text' => $text)
4488 - )
4489 - )
4490 - );
4491 -
4492 - // Set output dimensionality to 1536 for consistency with other models
4493 - $request_body['outputDimensionality'] = 1536;
4494 - } else {
4495 - // OpenAI/Voyage API format
4496 - $request_body = array(
4497 - 'model' => $selected_model,
4498 - 'input' => $text
4499 - );
4500 -
4501 - // Add output_dimension for voyage-3-large model
4502 - if ($selected_model === 'voyage-3-large') {
4503 - $request_body['output_dimension'] = 2048;
4504 - }
4505 - }
4506 -
4507 - //error_log('[MXCHAT-EMBED] Request prepared with model: ' . $selected_model);
4508 -
4509 - // Prepare headers based on provider
4510 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4511 - // Gemini uses API key as query parameter
4512 - $endpoint .= '?key=' . $api_key;
4513 - $headers = array(
4514 - 'Content-Type' => 'application/json'
4515 - );
4516 - } else {
4517 - // OpenAI/Voyage use Bearer token
4518 - $headers = array(
4519 - 'Authorization' => 'Bearer ' . $api_key,
4520 - 'Content-Type' => 'application/json'
4521 - );
4522 - }
4523 -
4524 - // Make API request
4525 - //error_log('[MXCHAT-EMBED] Sending API request to: ' . $endpoint);
4526 - $response = wp_remote_post($endpoint, array(
4527 - 'body' => wp_json_encode($request_body),
4528 - 'headers' => $headers,
4529 - 'timeout' => 60 // Increased timeout for large inputs
4530 - ));
4531 -
4532 - // Handle wp_remote_post errors
4533 - if (is_wp_error($response)) {
4534 - $error_message = $response->get_error_message();
4535 - //error_log('[MXCHAT-EMBED] WP Remote Post Error: ' . $error_message);
4536 - return 'Connection error: ' . $error_message;
4537 - }
4538 -
4539 - // Get and check HTTP response code
4540 - $http_code = wp_remote_retrieve_response_code($response);
4541 - //error_log('[MXCHAT-EMBED] API Response Code: ' . $http_code);
4542 -
4543 - if ($http_code !== 200) {
4544 - $error_body = wp_remote_retrieve_body($response);
4545 - //error_log('[MXCHAT-EMBED] API Error Response Body: ' . $error_body);
4546 -
4547 - // Try to parse error for more details
4548 - $error_json = json_decode($error_body, true);
4549 - if (json_last_error() === JSON_ERROR_NONE && isset($error_json['error'])) {
4550 - $error_type = $error_json['error']['type'] ?? 'unknown';
4551 - $error_message = $error_json['error']['message'] ?? 'No message';
4552 - //error_log('[MXCHAT-EMBED] API Error Type: ' . $error_type);
4553 - //error_log('[MXCHAT-EMBED] API Error Message: ' . $error_message);
4554 -
4555 - // Customize error message for common API errors
4556 - if ($error_type === 'invalid_request_error' && strpos($error_message, 'API key') !== false) {
4557 - $error_message = sprintf('Invalid %s API key for bot %s. Please check your API key in the bot settings.', $provider_name, $bot_id);
4558 - } elseif ($error_type === 'authentication_error') {
4559 - $error_message = sprintf('%s authentication failed for bot %s. Please verify your API key in the bot settings.', $provider_name, $bot_id);
4560 - }
4561 -
4562 - //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
4563 - return $error_message;
4564 - }
4565 -
4566 - $error_message = sprintf("API Error (HTTP %d): Unable to generate embedding for bot %s", $http_code, $bot_id);
4567 - //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
4568 - return $error_message;
4569 - }
4570 -
4571 - // Parse response body
4572 - $response_body = wp_remote_retrieve_body($response);
4573 - //error_log('[MXCHAT-EMBED] Received response length: ' . strlen($response_body) . ' bytes');
4574 -
4575 - $response_data = json_decode($response_body, true);
4576 -
4577 - if (json_last_error() !== JSON_ERROR_NONE) {
4578 - $error = json_last_error_msg();
4579 - //error_log('[MXCHAT-EMBED] JSON Parse Error: ' . $error);
4580 - //error_log('[MXCHAT-EMBED] Response preview: ' . substr($response_body, 0, 200));
4581 - return "Failed to parse API response: $error";
4582 - }
4583 -
4584 - // Handle different response formats based on provider
4585 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4586 - // Gemini API response format
4587 - if (isset($response_data['embedding']['values'])) {
4588 - $embedding_dimensions = count($response_data['embedding']['values']);
4589 - //error_log('[MXCHAT-EMBED] Successfully extracted Gemini embedding with ' . $embedding_dimensions . ' dimensions');
4590 -
4591 - // Check if embedding dimensions are as expected (should be 1536)
4592 - if ($embedding_dimensions !== 1536) {
4593 - //error_log('[MXCHAT-EMBED] Warning: Unexpected Gemini embedding dimensions: ' . $embedding_dimensions);
4594 - }
4595 -
4596 - return $response_data['embedding']['values'];
4597 - } else {
4598 - //error_log('[MXCHAT-EMBED] Error: No embedding found in Gemini response');
4599 - //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
4600 -
4601 - if (isset($response_data['error'])) {
4602 - $error_message = "Gemini API Error in response: " . wp_json_encode($response_data['error']);
4603 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4604 - return $error_message;
4605 - }
4606 -
4607 - $error_message = "Invalid Gemini API response format: No embedding found";
4608 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4609 - return $error_message;
4610 - }
4611 - } else {
4612 - // OpenAI/Voyage API response format
4613 - if (isset($response_data['data'][0]['embedding'])) {
4614 - $embedding_dimensions = count($response_data['data'][0]['embedding']);
4615 - //error_log('[MXCHAT-EMBED] Successfully extracted embedding with ' . $embedding_dimensions . ' dimensions');
4616 -
4617 - // Check if embedding dimensions are as expected
4618 - if (($selected_model === 'text-embedding-ada-002' && $embedding_dimensions !== 1536) ||
4619 - ($selected_model === 'voyage-3-large' && $embedding_dimensions !== 2048)) {
4620 - //error_log('[MXCHAT-EMBED] Warning: Unexpected embedding dimensions');
4621 - }
4622 -
4623 - return $response_data['data'][0]['embedding'];
4624 - } else {
4625 - //error_log('[MXCHAT-EMBED] Error: No embedding found in response');
4626 - //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
4627 -
4628 - if (isset($response_data['error'])) {
4629 - $error_message = "API Error in response: " . wp_json_encode($response_data['error']);
4630 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4631 - return $error_message;
4632 - }
4633 -
4634 - $error_message = "Invalid API response format: No embedding found";
4635 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4636 - return $error_message;
4637 - }
4638 - }
4639 -}
4640 -
4641 -/**
4642 - * Get bot-specific options for multi-bot functionality
4643 - * Falls back to default options if bot_id is 'default' or multi-bot add-on is not active
4644 - */
4645 -private function get_bot_options($bot_id = 'default') {
4646 - //error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id);
4647 -
4648 - if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
4649 - //error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')");
4650 - return array();
4651 - }
4652 -
4653 - $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
4654 -
4655 - if (!empty($bot_options)) {
4656 - //error_log("MXCHAT DEBUG: Got bot-specific options from filter");
4657 - if (isset($bot_options['similarity_threshold'])) {
4658 - //error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']);
4659 - }
4660 - }
4661 -
4662 - return is_array($bot_options) ? $bot_options : array();
4663 -}
4664 -
4665 -/**
4666 - * Get bot-specific Pinecone configuration
4667 - * Used in the knowledge retrieval functions
4668 - */
4669 -// Also add debugging to your get_bot_pinecone_config function
4670 -private function get_bot_pinecone_config($bot_id = 'default') {
4671 - //error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id);
4672 -
4673 - // If default bot or multi-bot add-on not active, use default Pinecone config
4674 - if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
4675 - //error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')");
4676 - $addon_options = get_option('mxchat_pinecone_addon_options', array());
4677 - $config = array(
4678 - 'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'),
4679 - 'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '',
4680 - 'host' => $addon_options['mxchat_pinecone_host'] ?? '',
4681 - 'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? ''
4682 - );
4683 - //error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false'));
4684 - return $config;
4685 - }
4686 -
4687 - //error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id);
4688 -
4689 - // Hook for multi-bot add-on to provide bot-specific Pinecone config
4690 - $bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
4691 -
4692 - if (!empty($bot_pinecone_config)) {
4693 - //error_log("MXCHAT DEBUG: Got bot-specific config from filter");
4694 - //error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set'));
4695 - //error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set'));
4696 - //error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set'));
4697 - } else {
4698 - //error_log("MXCHAT DEBUG: Filter returned empty config!");
4699 - }
4700 -
4701 - return is_array($bot_pinecone_config) ? $bot_pinecone_config : array();
4702 -}
4703 -
4704 -
4705 -public function mxchat_ajax_dismiss_completed_status() {
4706 - try {
4707 - // Verify the request
4708 - check_ajax_referer('mxchat_status_nonce', 'nonce');
4709 -
4710 - if (!current_user_can('manage_options')) {
4711 - wp_send_json_error('Unauthorized access');
4712 - exit;
4713 - }
4714 -
4715 - $card_type = isset($_POST['card_type']) ? sanitize_text_field($_POST['card_type']) : '';
4716 -
4717 - if ($card_type === 'pdf') {
4718 - // Clear PDF status
4719 - $pdf_url = get_transient('mxchat_last_pdf_url');
4720 - if ($pdf_url) {
4721 - delete_transient('mxchat_pdf_status_' . md5($pdf_url));
4722 - delete_transient('mxchat_last_pdf_url');
4723 - }
4724 - } elseif ($card_type === 'sitemap') {
4725 - // Clear sitemap status
4726 - $sitemap_url = get_transient('mxchat_last_sitemap_url');
4727 - if ($sitemap_url) {
4728 - delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
4729 - delete_transient('mxchat_last_sitemap_url');
4730 - }
4731 - }
4732 -
4733 - wp_send_json_success(array('message' => 'Status dismissed successfully'));
4734 -
4735 - } catch (Exception $e) {
4736 - wp_send_json_error(array('message' => 'Error dismissing status: ' . $e->getMessage()));
4737 - }
4738 -}
4739 -
4740 -/**
4741 - * Render completed status cards on page load
4742 - * This ensures completed processing status persists through page refreshes
4743 - */
4744 -public function mxchat_render_completed_status_cards() {
4745 - $output = '';
4746 -
4747 - // Check for completed PDF status
4748 - $pdf_url = get_transient('mxchat_last_pdf_url');
4749 - if ($pdf_url) {
4750 - $pdf_status = $this->mxchat_get_pdf_processing_status($pdf_url);
4751 - if ($pdf_status && ($pdf_status['status'] === 'complete' || $pdf_status['status'] === 'error')) {
4752 - $output .= $this->mxchat_render_pdf_status_card($pdf_status, $pdf_url);
4753 - }
4754 - }
4755 -
4756 - // Check for completed sitemap status
4757 - $sitemap_url = get_transient('mxchat_last_sitemap_url');
4758 - if ($sitemap_url) {
4759 - $sitemap_status = $this->mxchat_get_sitemap_processing_status($sitemap_url);
4760 - if ($sitemap_status && ($sitemap_status['status'] === 'complete' || $sitemap_status['status'] === 'error')) {
4761 - $output .= $this->mxchat_render_sitemap_status_card($sitemap_status, $sitemap_url);
4762 - }
4763 - }
4764 -
4765 - return $output;
4766 -}
4767 -
4768 -/**
4769 - * Render PDF status card HTML
4770 - */
4771 -private function mxchat_render_pdf_status_card($status, $pdf_url) {
4772 - $html = '<div class="mxchat-status-card" data-card-type="pdf">';
4773 - $html .= '<div class="mxchat-status-header">';
4774 - $html .= '<h4>' . esc_html__('PDF Processing Status', 'mxchat') . '</h4>';
4775 -
4776 - // Add dismiss button for completed status
4777 - if ($status['status'] === 'complete' || $status['status'] === 'error') {
4778 - $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
4779 - }
4780 -
4781 - // Process Batch button for processing status
4782 - if ($status['status'] === 'processing') {
4783 - $html .= '<button type="button" class="mxchat-manual-batch-btn"
4784 - data-process-type="pdf"
4785 - data-url="' . esc_attr($pdf_url) . '">
4786 - ' . esc_html__('Process Batch', 'mxchat') . '</button>';
4787 - }
4788 -
4789 - // Add status badges
4790 - if ($status['status'] === 'error') {
4791 - $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
4792 - } elseif ($status['status'] === 'complete') {
4793 - if ($status['failed_pages'] > 0) {
4794 - $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
4795 - sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_pages']) . '</span>';
4796 - } else {
4797 - $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
4798 - }
4799 - }
4800 -
4801 - $html .= '</div>'; // End header
4802 -
4803 - // Progress bar
4804 - $html .= '<div class="mxchat-progress-bar">';
4805 - $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
4806 - $html .= '</div>';
4807 -
4808 - // Status details
4809 - $html .= '<div class="mxchat-status-details">';
4810 - $html .= '<p>' . sprintf(
4811 - esc_html__('Progress: %d of %d pages (%d%%)', 'mxchat'),
4812 - $status['processed_pages'],
4813 - $status['total_pages'],
4814 - $status['percentage']
4815 - ) . '</p>';
4816 -
4817 - // Show failed pages count if any
4818 - if ($status['failed_pages'] > 0) {
4819 - $html .= '<p><strong>' . esc_html__('Failed pages:', 'mxchat') . '</strong> ' . esc_html($status['failed_pages']) . '</p>';
4820 - }
4821 -
4822 - $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
4823 - $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
4824 -
4825 - // Add completion summary if available AND it's an array
4826 - if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
4827 - $summary = $status['completion_summary'];
4828 - $html .= '<div class="mxchat-completion-summary">';
4829 - $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
4830 - $html .= '<p><strong>' . esc_html__('Total Pages:', 'mxchat') . '</strong> ' . esc_html($summary['total_pages']) . '</p>';
4831 - $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_pages']) . '</p>';
4832 - $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_pages']) . '</p>';
4833 - $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
4834 - $html .= '</div>';
4835 - }
4836 -
4837 - // Add failed pages list if any AND it's an array
4838 - if (isset($status['failed_pages_list']) && is_array($status['failed_pages_list']) && !empty($status['failed_pages_list'])) {
4839 - $html .= $this->mxchat_render_failed_pages_list($status['failed_pages_list']);
4840 - }
4841 -
4842 - // Add error message if any
4843 - if (isset($status['error']) && !empty($status['error'])) {
4844 - $html .= '<div class="mxchat-error-notice">';
4845 - $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
4846 - $html .= '</div>';
4847 - }
4848 -
4849 - $html .= '</div>'; // End details
4850 - $html .= '</div>'; // End card
4851 -
4852 - return $html;
4853 -}
4854 -/**
4855 - * Render sitemap status card HTML
4856 - */
4857 -private function mxchat_render_sitemap_status_card($status, $sitemap_url) {
4858 - $html = '<div class="mxchat-status-card" data-card-type="sitemap">';
4859 - $html .= '<div class="mxchat-status-header">';
4860 - $html .= '<h4>' . esc_html__('Sitemap Processing Status', 'mxchat') . '</h4>';
4861 -
4862 - // Add dismiss button for completed status
4863 - if ($status['status'] === 'complete' || $status['status'] === 'error') {
4864 - $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
4865 - }
4866 -
4867 - // Process Batch button for processing status
4868 - if ($status['status'] === 'processing') {
4869 - $html .= '<button type="button" class="mxchat-manual-batch-btn"
4870 - data-process-type="sitemap"
4871 - data-url="' . esc_attr($sitemap_url) . '">
4872 - ' . esc_html__('Process Batch', 'mxchat') . '</button>';
4873 - }
4874 -
4875 - // Add status badges
4876 - if ($status['status'] === 'error') {
4877 - $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
4878 - } elseif ($status['status'] === 'complete') {
4879 - if ($status['failed_urls'] > 0) {
4880 - $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
4881 - sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_urls']) . '</span>';
4882 - } else {
4883 - $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
4884 - }
4885 - }
4886 -
4887 - $html .= '</div>'; // End header
4888 -
4889 - // Progress bar
4890 - $html .= '<div class="mxchat-progress-bar">';
4891 - $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
4892 - $html .= '</div>';
4893 -
4894 - // Status details
4895 - $html .= '<div class="mxchat-status-details">';
4896 - $html .= '<p>' . sprintf(
4897 - esc_html__('Progress: %d of %d URLs (%d%%)', 'mxchat'),
4898 - $status['processed_urls'],
4899 - $status['total_urls'],
4900 - $status['percentage']
4901 - ) . '</p>';
4902 -
4903 - // Show failed URLs count if any
4904 - if ($status['failed_urls'] > 0) {
4905 - $html .= '<p><strong>' . esc_html__('Failed URLs:', 'mxchat') . '</strong> ' . esc_html($status['failed_urls']) . '</p>';
4906 - }
4907 -
4908 - $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
4909 - $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
4910 -
4911 - // Add completion summary if available AND it's an array
4912 - if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
4913 - $summary = $status['completion_summary'];
4914 - $html .= '<div class="mxchat-completion-summary">';
4915 - $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
4916 - $html .= '<p><strong>' . esc_html__('Total URLs:', 'mxchat') . '</strong> ' . esc_html($summary['total_urls']) . '</p>';
4917 - $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_urls']) . '</p>';
4918 - $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_urls']) . '</p>';
4919 - $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
4920 - $html .= '</div>';
4921 - }
4922 -
4923 - // Add error messages if any (but not the failed URLs list)
4924 - if (!empty($status['error']) || !empty($status['last_error'])) {
4925 - $html .= '<div class="mxchat-error-notice">';
4926 -
4927 - if (!empty($status['error'])) {
4928 - $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
4929 - }
4930 -
4931 - if (!empty($status['last_error'])) {
4932 - $html .= '<p class="last-error">' . esc_html__('Last error:', 'mxchat') . ' ' . esc_html($status['last_error']) . '</p>';
4933 - }
4934 -
4935 - $html .= '</div>';
4936 - }
4937 -
4938 - $html .= '</div>'; // End details
4939 - $html .= '</div>'; // End card
4940 -
4941 - return $html;
4942 -}
4943 -
4944 -
4945 -/**
4946 - * Render failed pages list
4947 - */
4948 -private function mxchat_render_failed_pages_list($failed_pages_list) {
4949 - // Validate that $failed_pages_list is an array and not empty
4950 - if (!is_array($failed_pages_list) || empty($failed_pages_list)) {
4951 - return '';
4952 - }
4953 -
4954 - $html = '<div class="mxchat-error-notice">';
4955 - $html .= '<div class="mxchat-failed-pages-container">';
4956 - $html .= '<h5>' . sprintf(esc_html__('Failed Pages (%d)', 'mxchat'), count($failed_pages_list)) . '</h5>';
4957 - $html .= '<details>';
4958 - $html .= '<summary>' . esc_html__('Show Failed Pages', 'mxchat') . '</summary>';
4959 - $html .= '<div class="mxchat-failed-pages-list">';
4960 -
4961 - // Create table for failed pages
4962 - $html .= '<table class="widefat striped">';
4963 - $html .= '<thead><tr>';
4964 - $html .= '<th>' . esc_html__('Page', 'mxchat') . '</th>';
4965 - $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
4966 - $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
4967 - $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
4968 - $html .= '</tr></thead><tbody>';
4969 -
4970 - // Sort failed pages by most recent
4971 - $sorted_failed_pages = $failed_pages_list;
4972 - usort($sorted_failed_pages, function($a, $b) {
4973 - return ($b['time'] ?? 0) - ($a['time'] ?? 0);
4974 - });
4975 -
4976 - foreach ($sorted_failed_pages as $item) {
4977 - // Ensure $item is an array before accessing its elements
4978 - if (!is_array($item)) {
4979 - continue;
4980 - }
4981 -
4982 - $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
4983 - $html .= '<tr>';
4984 - $html .= '<td>' . esc_html__('Page', 'mxchat') . ' ' . esc_html($item['page'] ?? 'Unknown') . '</td>';
4985 - $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
4986 - $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
4987 - $html .= '<td>' . esc_html($time_ago) . '</td>';
4988 - $html .= '</tr>';
4989 - }
4990 -
4991 - $html .= '</tbody></table>';
4992 - $html .= '</div></details></div></div>';
4993 -
4994 - return $html;
4995 -}
4996 -
4997 -/**
4998 - * Render failed URLs list
4999 - */
5000 -private function mxchat_render_failed_urls_list($failed_urls_list) {
5001 - // Validate that $failed_urls_list is an array and not empty
5002 - if (!is_array($failed_urls_list) || empty($failed_urls_list)) {
5003 - return '';
5004 - }
5005 -
5006 - $html = '<div class="mxchat-failed-urls-container">';
5007 - $html .= '<h5>' . sprintf(esc_html__('Failed URLs (%d)', 'mxchat'), count($failed_urls_list)) . '</h5>';
5008 - $html .= '<details>';
5009 - $html .= '<summary>' . esc_html__('Show Failed URLs', 'mxchat') . '</summary>';
5010 - $html .= '<div class="mxchat-failed-urls-list">';
5011 -
5012 - // Create table for failed URLs
5013 - $html .= '<table class="widefat striped">';
5014 - $html .= '<thead><tr>';
5015 - $html .= '<th>' . esc_html__('URL', 'mxchat') . '</th>';
5016 - $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
5017 - $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
5018 - $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
5019 - $html .= '</tr></thead><tbody>';
5020 -
5021 - // Sort failed URLs by most recent
5022 - $sorted_failed_urls = $failed_urls_list;
5023 - usort($sorted_failed_urls, function($a, $b) {
5024 - return ($b['time'] ?? 0) - ($a['time'] ?? 0);
5025 - });
5026 -
5027 - // Show up to 50 failed URLs
5028 - $display_urls = array_slice($sorted_failed_urls, 0, 50);
5029 -
5030 - foreach ($display_urls as $item) {
5031 - // Ensure $item is an array before accessing its elements
5032 - if (!is_array($item)) {
5033 - continue;
5034 - }
5035 -
5036 - $url = $item['url'] ?? '';
5037 - $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
5038 -
5039 - // Truncate URL for display
5040 - $display_url = strlen($url) > 50 ? substr($url, 0, 47) . '...' : $url;
5041 -
5042 - $html .= '<tr>';
5043 - $html .= '<td style="word-break: break-all;">';
5044 - if (!empty($url)) {
5045 - $html .= '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($display_url) . '</a>';
5046 - } else {
5047 - $html .= esc_html__('Unknown URL', 'mxchat');
5048 - }
5049 - $html .= '</td>';
5050 - $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
5051 - $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
5052 - $html .= '<td>' . esc_html($time_ago) . '</td>';
5053 - $html .= '</tr>';
5054 - }
5055 -
5056 - $html .= '</tbody></table>';
5057 -
5058 - if (count($failed_urls_list) > 50) {
5059 - $html .= '<div class="mxchat-failed-urls-more">+ ' .
5060 - (count($failed_urls_list) - 50) .
5061 - ' ' . esc_html__('more failed URLs not shown', 'mxchat') . '</div>';
5062 - }
5063 -
5064 - $html .= '</div></details></div>';
5065 -
5066 - return $html;
5067 -}
5068 -
5069 -/**
5070 - * Get all ACF fields for a specific post, excluding any fields the user has disabled
5071 - */
5072 -public function mxchat_get_acf_fields_for_post($post_id) {
5073 - if (!function_exists('get_fields')) {
5074 - return array();
5075 - }
5076 -
5077 - $fields = get_fields($post_id);
5078 - if (!$fields || !is_array($fields)) {
5079 - return array();
5080 - }
5081 -
5082 - // Get excluded fields from settings
5083 - $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
5084 - if (!empty($excluded_fields) && is_array($excluded_fields)) {
5085 - foreach ($excluded_fields as $excluded_field) {
5086 - if (isset($fields[$excluded_field])) {
5087 - unset($fields[$excluded_field]);
5088 - }
5089 - }
5090 - }
5091 -
5092 - return $fields;
5093 -}
5094 -
5095 -/**
5096 - * Get all registered ACF field groups and their fields for the settings UI
5097 - */
5098 -public function mxchat_get_all_acf_fields() {
5099 - if (!function_exists('acf_get_field_groups') || !function_exists('acf_get_fields')) {
5100 - return array();
5101 - }
5102 -
5103 - $all_fields = array();
5104 - $field_groups = acf_get_field_groups();
5105 -
5106 - if (!empty($field_groups)) {
5107 - foreach ($field_groups as $group) {
5108 - $group_fields = acf_get_fields($group['key']);
5109 - if (!empty($group_fields)) {
5110 - $all_fields[$group['title']] = array();
5111 - foreach ($group_fields as $field) {
5112 - $all_fields[$group['title']][] = array(
5113 - 'name' => $field['name'],
5114 - 'label' => $field['label'],
5115 - 'type' => $field['type']
5116 - );
5117 - }
5118 - }
5119 - }
5120 - }
5121 -
5122 - return $all_fields;
5123 -}
5124 -
5125 -/**
5126 - * Get whitelisted custom post meta for a given post
5127 - * This allows non-ACF meta fields (like OptionTree, theme meta boxes) to be included in embeddings
5128 - */
5129 -public function mxchat_get_whitelisted_post_meta($post_id) {
5130 - $whitelist = get_option('mxchat_custom_meta_whitelist', '');
5131 -
5132 - if (empty($whitelist)) {
5133 - return array();
5134 - }
5135 -
5136 - // Parse the whitelist - one meta key per line
5137 - $meta_keys = array_filter(array_map('trim', explode("\n", $whitelist)));
5138 -
5139 - if (empty($meta_keys)) {
5140 - return array();
5141 - }
5142 -
5143 - $result = array();
5144 -
5145 - foreach ($meta_keys as $key) {
5146 - // Skip empty keys
5147 - if (empty($key)) {
5148 - continue;
5149 - }
5150 -
5151 - $value = get_post_meta($post_id, $key, true);
5152 -
5153 - // Only include non-empty string values
5154 - if (!empty($value) && is_string($value)) {
5155 - $result[$key] = $value;
5156 - } elseif (!empty($value) && is_array($value)) {
5157 - // Handle array values by joining them
5158 - $flat_value = $this->mxchat_flatten_meta_array($value);
5159 - if (!empty($flat_value)) {
5160 - $result[$key] = $flat_value;
5161 - }
5162 - }
5163 - }
5164 -
5165 - return $result;
5166 -}
5167 -
5168 -/**
5169 - * Flatten array meta values into a readable string
5170 - */
5171 -private function mxchat_flatten_meta_array($array, $depth = 0) {
5172 - if ($depth > 3) {
5173 - return ''; // Prevent infinite recursion
5174 - }
5175 -
5176 - $parts = array();
5177 -
5178 - foreach ($array as $key => $value) {
5179 - if (is_string($value) && !empty($value)) {
5180 - $parts[] = $value;
5181 - } elseif (is_array($value)) {
5182 - $nested = $this->mxchat_flatten_meta_array($value, $depth + 1);
5183 - if (!empty($nested)) {
5184 - $parts[] = $nested;
5185 - }
5186 - }
5187 - }
5188 -
5189 - return implode(', ', $parts);
5190 -}
5191 -
5192 -/**
5193 - * Format ACF field values for content extraction
5194 - */
5195 -public function mxchat_format_acf_field_value($value, $field_name = '', $post_id = 0) {
5196 - if (empty($value)) {
5197 - return '';
5198 - }
5199 -
5200 - // Handle WP_Post objects first (THIS IS THE KEY FIX)
5201 - if ($value instanceof WP_Post) {
5202 - return $value->post_title ?: '';
5203 - }
5204 -
5205 - // Handle other WP objects
5206 - if (is_object($value)) {
5207 - if (isset($value->post_title)) {
5208 - return $value->post_title;
5209 - } elseif (isset($value->display_name)) {
5210 - return $value->display_name;
5211 - } elseif (isset($value->name)) {
5212 - return $value->name;
5213 - } elseif (method_exists($value, '__toString')) {
5214 - try {
5215 - return (string) $value;
5216 - } catch (Exception $e) {
5217 - return '';
5218 - }
5219 - }
5220 - // For any other objects, return empty string
5221 - return '';
5222 - }
5223 -
5224 - // Handle different ACF field types
5225 - if (is_array($value)) {
5226 - // Check if it's an image/file field
5227 - if (isset($value['url'])) {
5228 - // Image field - return alt text, title, or caption
5229 - if (!empty($value['alt'])) {
5230 - return $value['alt'];
5231 - } elseif (!empty($value['title'])) {
5232 - return $value['title'];
5233 - } elseif (!empty($value['caption'])) {
5234 - return $value['caption'];
5235 - } else {
5236 - return ''; // Don't include just the URL
5237 - }
5238 - }
5239 -
5240 - // Check if it's a post object or relationship field
5241 - if (isset($value['post_title'])) {
5242 - return $value['post_title'];
5243 - }
5244 -
5245 - // Check if it's a user field
5246 - if (isset($value['display_name'])) {
5247 - return $value['display_name'];
5248 - }
5249 -
5250 - // Check if it's a taxonomy term
5251 - if (isset($value['name']) && isset($value['taxonomy'])) {
5252 - return $value['name'];
5253 - }
5254 -
5255 - // Check if it's a select field with label
5256 - if (isset($value['label'])) {
5257 - return $value['label'];
5258 - }
5259 -
5260 - // Check for repeater field or flexible content
5261 - if (is_numeric(key($value))) {
5262 - $sub_values = array();
5263 - foreach ($value as $sub_item) {
5264 - if (is_array($sub_item)) {
5265 - // For repeater/flexible content, extract text values
5266 - $sub_text = $this->mxchat_extract_text_from_acf_array($sub_item);
5267 - if (!empty($sub_text)) {
5268 - $sub_values[] = $sub_text;
5269 - }
5270 - } elseif ($sub_item instanceof WP_Post) {
5271 - // Handle WP_Post objects in arrays
5272 - $sub_values[] = $sub_item->post_title ?: '';
5273 - } else {
5274 - $sub_values[] = (string) $sub_item;
5275 - }
5276 - }
5277 - return implode(', ', array_filter($sub_values));
5278 - }
5279 -
5280 - // For other arrays, try to extract meaningful text
5281 - $text_values = array();
5282 - foreach ($value as $key => $val) {
5283 - if (is_string($val) && !empty(trim($val))) {
5284 - $text_values[] = trim($val);
5285 - } elseif ($val instanceof WP_Post) {
5286 - // Handle WP_Post objects in associative arrays
5287 - $text_values[] = $val->post_title ?: '';
5288 - } elseif (is_array($val) && isset($val['post_title'])) {
5289 - $text_values[] = $val['post_title'];
5290 - } elseif (is_array($val) && isset($val['name'])) {
5291 - $text_values[] = $val['name'];
5292 - }
5293 - }
5294 -
5295 - return implode(', ', array_filter($text_values));
5296 - }
5297 -
5298 - // Handle boolean values
5299 - if (is_bool($value)) {
5300 - return $value ? 'Yes' : 'No';
5301 - }
5302 -
5303 - // Handle numeric values
5304 - if (is_numeric($value)) {
5305 - return (string) $value;
5306 - }
5307 -
5308 - // Handle string values
5309 - if (is_string($value)) {
5310 - return trim($value);
5311 - }
5312 -
5313 - // For anything else that we can't handle, return empty string
5314 - // This prevents the "Object could not be converted to string" error
5315 - return '';
5316 -}
5317 -
5318 -/**
5319 - * Extract text from complex ACF array structures
5320 - */
5321 -private function mxchat_extract_text_from_acf_array($array) {
5322 - if (!is_array($array)) {
5323 - return '';
5324 - }
5325 -
5326 - $text_parts = array();
5327 -
5328 - foreach ($array as $key => $value) {
5329 - if (is_string($value) && !empty(trim($value))) {
5330 - // Skip keys that are likely to be IDs or technical values
5331 - if (!is_numeric($value) || strlen($value) > 10) {
5332 - $text_parts[] = trim($value);
5333 - }
5334 - } elseif ($value instanceof WP_Post) {
5335 - // Handle WP_Post objects
5336 - $text_parts[] = $value->post_title ?: '';
5337 - } elseif (is_array($value)) {
5338 - if (isset($value['post_title'])) {
5339 - $text_parts[] = $value['post_title'];
5340 - } elseif (isset($value['name'])) {
5341 - $text_parts[] = $value['name'];
5342 - } elseif (isset($value['label'])) {
5343 - $text_parts[] = $value['label'];
5344 - }
5345 - } elseif (is_object($value)) {
5346 - // Handle other objects safely
5347 - if (isset($value->post_title)) {
5348 - $text_parts[] = $value->post_title;
5349 - } elseif (isset($value->name)) {
5350 - $text_parts[] = $value->name;
5351 - } elseif (isset($value->display_name)) {
5352 - $text_parts[] = $value->display_name;
5353 - }
5354 - }
5355 - }
5356 -
5357 - return implode(', ', array_filter($text_parts));
5358 -}
5359 -
5360 -/**
5361 - * Walk an ACF field value tree and collect attachment IDs for any value that
5362 - * resolves to a PDF in the WordPress media library. Handles the three shapes
5363 - * ACF returns for File/Image/URL fields (array with ID+url, integer attachment ID,
5364 - * plain URL string), and recurses through repeater/group/flexible content.
5365 - *
5366 - * @param mixed $value The ACF field value (any depth)
5367 - * @param array $out Accumulator (passed by reference) for attachment IDs
5368 - * @param int $depth Recursion guard
5369 - */
5370 -private function mxchat_collect_pdf_attachment_ids_from_acf_value($value, &$out, $depth = 0) {
5371 - if ($depth > 6) {
5372 - return; // prevent runaway recursion on circular/very-deep structures
5373 - }
5374 -
5375 - if (empty($value)) {
5376 - return;
5377 - }
5378 -
5379 - // Array shapes: ACF File/Image return value=array; repeaters/groups are arrays of arrays
5380 - if (is_array($value)) {
5381 - // Direct File/Image-style array (has 'url' and usually 'ID' + 'mime_type')
5382 - $looks_like_attachment = isset($value['url']) || isset($value['ID']) || isset($value['id']);
5383 - if ($looks_like_attachment) {
5384 - $att_id = 0;
5385 - if (!empty($value['ID']) && is_numeric($value['ID'])) {
5386 - $att_id = (int) $value['ID'];
5387 - } elseif (!empty($value['id']) && is_numeric($value['id'])) {
5388 - $att_id = (int) $value['id'];
5389 - } elseif (!empty($value['url']) && is_string($value['url'])) {
5390 - $att_id = (int) attachment_url_to_postid($value['url']);
5391 - }
5392 -
5393 - $is_pdf = false;
5394 - if (!empty($value['mime_type']) && $value['mime_type'] === 'application/pdf') {
5395 - $is_pdf = true;
5396 - } elseif (!empty($value['subtype']) && strtolower((string) $value['subtype']) === 'pdf') {
5397 - $is_pdf = true;
5398 - } elseif (!empty($value['url']) && is_string($value['url']) && $this->mxchat_url_looks_like_pdf($value['url'])) {
5399 - $is_pdf = true;
5400 - } elseif ($att_id && get_post_mime_type($att_id) === 'application/pdf') {
5401 - $is_pdf = true;
5402 - }
5403 -
5404 - if ($is_pdf && $att_id && get_post_mime_type($att_id) === 'application/pdf') {
5405 - $out[] = $att_id;
5406 - }
5407 - // An array node that represents one attachment doesn't contain other
5408 - // attachments inside it — done with this branch.
5409 - return;
5410 - }
5411 -
5412 - // Recurse: repeater rows, flexible-content layouts, groups, etc.
5413 - foreach ($value as $sub) {
5414 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($sub, $out, $depth + 1);
5415 - }
5416 - return;
5417 - }
5418 -
5419 - // Plain numeric attachment ID (ACF File field set to "Return: ID")
5420 - if (is_numeric($value)) {
5421 - $att_id = (int) $value;
5422 - if ($att_id > 0 && get_post_mime_type($att_id) === 'application/pdf') {
5423 - $out[] = $att_id;
5424 - }
5425 - return;
5426 - }
5427 -
5428 - // Plain string — URL pointing at a PDF (ACF File field set to "Return: URL", or a custom URL/text field)
5429 - if (is_string($value)) {
5430 - $trimmed = trim($value);
5431 - if ($trimmed !== '' && $this->mxchat_url_looks_like_pdf($trimmed)) {
5432 - $att_id = (int) attachment_url_to_postid($trimmed);
5433 - if ($att_id > 0 && get_post_mime_type($att_id) === 'application/pdf') {
5434 - $out[] = $att_id;
5435 - }
5436 - }
5437 - return;
5438 - }
5439 -}
5440 -
5441 -/**
5442 - * Heuristic: does this URL/string look like a PDF reference?
5443 - * Tolerates query strings and fragments (#page=2).
5444 - */
5445 -private function mxchat_url_looks_like_pdf($url) {
5446 - if (!is_string($url) || $url === '') {
5447 - return false;
5448 - }
5449 - // Strip query + fragment before checking extension
5450 - $path = preg_replace('/[?#].*$/', '', $url);
5451 - return (bool) preg_match('/\.pdf$/i', $path);
5452 -}
5453 -
5454 -/**
5455 - * Extract text from a PDF attachment by ID using the bundled Smalot parser.
5456 - * Reads the file directly from disk via get_attached_file (no HTTP fetch).
5457 - * Result is cached on the attachment as post_meta keyed by file mtime so we
5458 - * only parse the same PDF once unless the file changes on disk.
5459 - *
5460 - * @param int $attachment_id
5461 - * @return string Extracted plain text, or '' on failure.
5462 - */
5463 -private function mxchat_extract_pdf_text_by_attachment_id($attachment_id) {
5464 - $attachment_id = (int) $attachment_id;
5465 - if ($attachment_id <= 0) {
5466 - return '';
5467 - }
5468 - if (get_post_mime_type($attachment_id) !== 'application/pdf') {
5469 - return '';
5470 - }
5471 -
5472 - $pdf_path = get_attached_file($attachment_id);
5473 - if (empty($pdf_path) || !file_exists($pdf_path) || !is_readable($pdf_path)) {
5474 - return '';
5475 - }
5476 -
5477 - // Raw-file size cap. Parsing very large PDFs can OOM the request; skip with a log entry
5478 - // and let the rest of the ACF content land in the KB. Filterable for users who need it bigger.
5479 - $default_max_bytes = 25 * 1024 * 1024;
5480 - $max_bytes = (int) apply_filters('mxchat_acf_pdf_max_bytes', $default_max_bytes, $attachment_id, $pdf_path);
5481 - if ($max_bytes > 0) {
5482 - $file_size = @filesize($pdf_path);
5483 - if ($file_size !== false && $file_size > $max_bytes) {
5484 - error_log(sprintf(
5485 - '[mxchat] ACF PDF skipped (over size cap): attachment %d "%s" %d bytes > cap %d',
5486 - $attachment_id,
5487 - basename($pdf_path),
5488 - $file_size,
5489 - $max_bytes
5490 - ));
5491 - return '';
5492 - }
5493 - }
5494 -
5495 - $mtime = @filemtime($pdf_path);
5496 - $cache_meta_key = '_mxchat_acf_pdf_text_v1';
5497 - $cached = get_post_meta($attachment_id, $cache_meta_key, true);
5498 - if (is_array($cached) && isset($cached['mtime'], $cached['text']) && (int) $cached['mtime'] === (int) $mtime) {
5499 - return (string) $cached['text'];
5500 - }
5501 -
5502 - $text = '';
5503 - try {
5504 - if (function_exists('mxchat_load_pdf_parser')) {
5505 - mxchat_load_pdf_parser();
5506 - }
5507 - if (!class_exists('\\Smalot\\PdfParser\\Parser')) {
5508 - return '';
5509 - }
5510 - $parser = new \Smalot\PdfParser\Parser();
5511 - $pdf = $parser->parseFile($pdf_path);
5512 - $pages = $pdf->getPages();
5513 - $page_texts = array();
5514 - foreach ($pages as $page) {
5515 - $page_text = '';
5516 - try {
5517 - $page_text = $page->getText();
5518 - } catch (\Exception $e) {
5519 - $page_text = '';
5520 - }
5521 - if (!empty($page_text)) {
5522 - $page_texts[] = $page_text;
5523 - }
5524 - }
5525 - $text = trim(implode("\n\n", $page_texts));
5526 - } catch (\Exception $e) {
5527 - error_log('[mxchat] ACF PDF extraction failed for attachment ' . $attachment_id . ': ' . $e->getMessage());
5528 - return '';
5529 - } catch (\Throwable $e) {
5530 - error_log('[mxchat] ACF PDF extraction error for attachment ' . $attachment_id . ': ' . $e->getMessage());
5531 - return '';
5532 - }
5533 -
5534 - // Cap per-PDF text to avoid blowing up the embedding payload on enormous PDFs.
5535 - // The chunker downstream will still split this into multiple vectors.
5536 - $max_len = (int) apply_filters('mxchat_acf_pdf_text_max_length', 50000);
5537 - if ($max_len > 0 && strlen($text) > $max_len) {
5538 - $text = substr($text, 0, $max_len);
5539 - }
5540 -
5541 - update_post_meta($attachment_id, $cache_meta_key, array(
5542 - 'mtime' => (int) $mtime,
5543 - 'text' => $text,
5544 - ));
5545 -
5546 - return $text;
5547 -}
5548 -
5549 -/**
5550 - * Handle ACF save - fires after ACF fields are saved
5551 - * This ensures ACF field data is available when syncing to knowledge base
5552 - */
5553 -public function mxchat_handle_acf_save($post_id) {
5554 - // Skip if not a valid post
5555 - if (!$post_id || $post_id === 'options') {
5556 - return;
5557 - }
5558 -
5559 - // Skip autosaves and revisions
5560 - if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
5561 - return;
5562 - }
5563 -
5564 - $post = get_post($post_id);
5565 - if (!$post) {
5566 - return;
5567 - }
5568 -
5569 - $post_type = $post->post_type;
5570 -
5571 - // Check if sync is enabled for this post type
5572 - $should_sync = false;
5573 -
5574 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5575 - $should_sync = true;
5576 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5577 - $should_sync = true;
5578 - } else if ($post_type === 'product' && class_exists('WooCommerce')) {
5579 - // WooCommerce products - check if WooCommerce integration is enabled
5580 - $options = get_option('mxchat_options', array());
5581 - if (isset($options['enable_woocommerce_integration']) &&
5582 - ($options['enable_woocommerce_integration'] === '1' || $options['enable_woocommerce_integration'] === 'on')) {
5583 - $should_sync = true;
5584 - }
5585 - } else {
5586 - // Check custom post types
5587 - $option_name = 'mxchat_auto_sync_' . $post_type;
5588 - if (get_option($option_name) === '1') {
5589 - $should_sync = true;
5590 - }
5591 - }
5592 -
5593 - if (!$should_sync) {
5594 - return;
5595 - }
5596 -
5597 - // Only process published posts
5598 - if ($post->post_status !== 'publish') {
5599 - return;
5600 - }
5601 -
5602 - // Check if this post has any ACF fields - if not, no need to re-sync
5603 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
5604 - if (empty($acf_fields)) {
5605 - return;
5606 - }
5607 -
5608 - // Use a transient to prevent duplicate processing (post_updated may have already run)
5609 - $transient_key = 'mxchat_acf_synced_' . $post_id;
5610 - if (get_transient($transient_key)) {
5611 - return;
5612 - }
5613 - set_transient($transient_key, true, 60); // Prevent re-processing for 60 seconds
5614 -
5615 - // Re-run the sync with ACF data now available
5616 - // We pass $update=true since this is effectively an update with ACF data
5617 - $this->mxchat_handle_post_update($post_id, $post, true);
5618 -}
5619 -
5620 -public function mxchat_handle_post_update($post_id, $post, $update) {
5621 - // Basic validation checks
5622 - if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
5623 - return;
5624 - }
5625 -
5626 - $post_type = $post->post_type;
5627 -
5628 - // Check if sync is enabled for this post type
5629 - $should_sync = false;
5630 -
5631 - // Check built-in post types first
5632 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5633 - $should_sync = true;
5634 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5635 - $should_sync = true;
5636 - } else {
5637 - // Check custom post types
5638 - $option_name = 'mxchat_auto_sync_' . $post_type;
5639 - if (get_option($option_name) === '1') {
5640 - $should_sync = true;
5641 - }
5642 - }
5643 -
5644 - if (!$should_sync) {
5645 - return;
5646 - }
5647 -
5648 - // Check if we have stored the previous status and URL in our transients
5649 - $previous_status_key = 'mxchat_prev_status_' . $post_id;
5650 - $previous_status = get_transient($previous_status_key);
5651 -
5652 - $previous_url_key = 'mxchat_prev_url_' . $post_id;
5653 - $previous_url = get_transient($previous_url_key);
5654 -
5655 - // If the post was previously published but is now not published, remove from knowledge base
5656 - if ($previous_status === 'publish' && $post->post_status !== 'publish') {
5657 - // Use the stored URL from when it was published, or fall back to current permalink
5658 - $source_url = $previous_url ?: get_permalink($post_id);
5659 -
5660 - if ($source_url) {
5661 - // Chunk-aware deletion (routes to Pinecone or WP DB and removes base + all chunks)
5662 - MxChat_Utils::delete_chunks_for_url($source_url, 'default');
5663 - }
5664 -
5665 - // Clean up the transients and exit early
5666 - delete_transient($previous_status_key);
5667 - delete_transient($previous_url_key);
5668 - return;
5669 - }
5670 -
5671 - // Slug/permalink rename while still published: delete the old vectors before upserting new ones.
5672 - // Without this, md5(old_url) vectors (base + chunks) would be orphaned under the stale URL.
5673 - if ($post->post_status === 'publish' && !empty($previous_url)) {
5674 - $current_url = get_permalink($post_id);
5675 - if ($current_url && $current_url !== $previous_url) {
5676 - MxChat_Utils::delete_chunks_for_url($previous_url, 'default');
5677 - }
5678 - }
5679 -
5680 - // Store the current status for next time (if this is an update)
5681 - if ($update) {
5682 - set_transient($previous_status_key, $post->post_status, DAY_IN_SECONDS);
5683 -
5684 - // If the post is currently published, also store its URL
5685 - if ($post->post_status === 'publish') {
5686 - $current_url = get_permalink($post_id);
5687 - set_transient($previous_url_key, $current_url, DAY_IN_SECONDS);
5688 - }
5689 - }
5690 -
5691 - // Only process currently published content for adding/updating
5692 - if ($post->post_status === 'publish') {
5693 - // Get the source URL
5694 - $source_url = get_permalink($post_id);
5695 -
5696 - // Get content with proper formatting (matching ajax_mxchat_process_selected_content)
5697 - $title = get_the_title($post_id);
5698 - $content = get_post_field('post_content', $post_id);
5699 - $excerpt = get_post_field('post_excerpt', $post_id);
5700 -
5701 - // Remove shortcode tags but preserve content inside them
5702 - $content = $this->strip_shortcode_tags_preserve_content($content);
5703 - $excerpt = $this->strip_shortcode_tags_preserve_content($excerpt);
5704 -
5705 - // Strip tags but preserve structure (don't use 'the_content' filter as it may re-add shortcodes)
5706 - $content = wp_strip_all_tags($content);
5707 -
5708 - // Combine title, short description (if exists), and content
5709 - $final_content = $title . "\n\n";
5710 -
5711 - // Add short description if it exists (WooCommerce products use post_excerpt for short description)
5712 - if (!empty($excerpt)) {
5713 - $final_content .= "Short Description: " . wp_strip_all_tags($excerpt) . "\n\n";
5714 - }
5715 -
5716 - $final_content .= $content;
5717 -
5718 - // For WooCommerce products, include pricing and product details
5719 - if ($post_type === 'product' && class_exists('WooCommerce')) {
5720 - $product = wc_get_product($post_id);
5721 -
5722 - if ($product) {
5723 - // Get pricing information
5724 - $regular_price = $product->get_regular_price();
5725 - $sale_price = $product->get_sale_price();
5726 - $price = $product->get_price();
5727 - $sku = $product->get_sku();
5728 -
5729 - // Get currency symbol
5730 - $currency_symbol = get_woocommerce_currency_symbol();
5731 -
5732 - // Add pricing information
5733 - $final_content .= "\n";
5734 - if (!empty($regular_price)) {
5735 - $final_content .= "Price: " . $currency_symbol . $regular_price . "\n";
5736 - } elseif (!empty($price)) {
5737 - $final_content .= "Price: " . $currency_symbol . $price . "\n";
5738 - }
5739 -
5740 - if (!empty($sale_price) && $sale_price !== $regular_price) {
5741 - $final_content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
5742 - }
5743 -
5744 - // Handle variable products - show price range
5745 - if ($product->is_type('variable')) {
5746 - $min_price = $product->get_variation_price('min');
5747 - $max_price = $product->get_variation_price('max');
5748 - if ($min_price !== $max_price) {
5749 - $final_content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
5750 - }
5751 - }
5752 -
5753 - if (!empty($sku)) {
5754 - $final_content .= "SKU: " . $sku . "\n";
5755 - }
5756 -
5757 - // Get product categories
5758 - $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
5759 - if (!empty($categories) && !is_wp_error($categories)) {
5760 - $final_content .= "Categories: " . implode(', ', $categories) . "\n";
5761 - }
5762 - }
5763 - }
5764 -
5765 - // For custom post types like job_listing, include additional fields
5766 - if ($post_type === 'job_listing') {
5767 - // Add job-specific meta if available
5768 - $job_location = get_post_meta($post_id, '_job_location', true);
5769 - if (!empty($job_location)) {
5770 - $final_content .= "\n\nLocation: " . $job_location;
5771 - }
5772 -
5773 - // Get job type terms
5774 - $job_types = get_the_terms($post_id, 'job_listing_type');
5775 - if (!empty($job_types) && !is_wp_error($job_types)) {
5776 - $types = array();
5777 - foreach ($job_types as $type) {
5778 - $types[] = $type->name;
5779 - }
5780 - $final_content .= "\n\nJob Type: " . implode(', ', $types);
5781 - }
5782 -
5783 - // Get company name if available
5784 - $company_name = get_post_meta($post_id, '_company_name', true);
5785 - if (!empty($company_name)) {
5786 - $final_content .= "\n\nCompany: " . $company_name;
5787 - }
5788 - }
5789 -
5790 - // ADD ACF FIELDS SUPPORT (matches ajax_mxchat_process_selected_content behavior)
5791 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
5792 - if (!empty($acf_fields)) {
5793 - $acf_content_parts = array();
5794 - $pdf_attachment_ids = array();
5795 -
5796 - foreach ($acf_fields as $field_name => $field_value) {
5797 - $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
5798 - if (!empty($formatted_value)) {
5799 - // Convert field name to readable label
5800 - $field_label = ucwords(str_replace(['_', '-'], ' ', $field_name));
5801 - $acf_content_parts[] = $field_label . ": " . $formatted_value;
5802 - }
5803 -
5804 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($field_value, $pdf_attachment_ids);
5805 - }
5806 -
5807 - if (!empty($acf_content_parts)) {
5808 - $final_content .= "\n\n" . implode("\n", $acf_content_parts);
5809 - }
5810 -
5811 - // Gate the auto-sync PDF-extraction loop behind an opt-in option.
5812 - // Mirrors the per-batch checkbox the manual content selector has; the
5813 - // 25 MB size cap lives in the shared extractor so it applies in both
5814 - // paths regardless. Default OFF — re-parsing every ACF PDF on every
5815 - // editor save is expensive and most sites don't want it.
5816 - $autosync_extract_acf_pdfs = get_option('mxchat_auto_sync_acf_pdfs', '0') === '1';
5817 - if ($autosync_extract_acf_pdfs && !empty($pdf_attachment_ids)) {
5818 - $pdf_attachment_ids = array_unique(array_filter(array_map('intval', $pdf_attachment_ids)));
5819 - $pdf_sections = array();
5820 - foreach ($pdf_attachment_ids as $att_id) {
5821 - $pdf_text = $this->mxchat_extract_pdf_text_by_attachment_id($att_id);
5822 - if (!empty($pdf_text)) {
5823 - $pdf_title = get_the_title($att_id);
5824 - $pdf_url = wp_get_attachment_url($att_id);
5825 - $header = 'PDF Attachment';
5826 - if (!empty($pdf_title)) {
5827 - $header .= ': ' . $pdf_title;
5828 - }
5829 - if (!empty($pdf_url)) {
5830 - $header .= ' (' . $pdf_url . ')';
5831 - }
5832 - $pdf_sections[] = $header . "\n" . $pdf_text;
5833 - }
5834 - }
5835 - if (!empty($pdf_sections)) {
5836 - $final_content .= "\n\nAttached PDFs:\n" . implode("\n\n", $pdf_sections);
5837 - }
5838 - }
5839 - }
5840 -
5841 - // ADD CUSTOM POST META SUPPORT (whitelisted non-ACF meta fields)
5842 - $custom_meta = $this->mxchat_get_whitelisted_post_meta($post_id);
5843 - if (!empty($custom_meta)) {
5844 - $meta_content_parts = array();
5845 -
5846 - foreach ($custom_meta as $meta_key => $meta_value) {
5847 - // Convert meta key to readable label
5848 - $meta_label = ucwords(str_replace(array('_', '-'), ' ', $meta_key));
5849 - $meta_content_parts[] = $meta_label . ": " . $meta_value;
5850 - }
5851 -
5852 - if (!empty($meta_content_parts)) {
5853 - $final_content .= "\n\n" . implode("\n", $meta_content_parts);
5854 - }
5855 - }
5856 -
5857 - // Get API key with proper model detection
5858 - $options = get_option('mxchat_options');
5859 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
5860 -
5861 - if (strpos($selected_model, 'voyage') === 0) {
5862 - $api_key = $options['voyage_api_key'] ?? '';
5863 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
5864 - $api_key = $options['gemini_api_key'] ?? '';
5865 - } else {
5866 - $api_key = $options['api_key'] ?? '';
5867 - }
5868 -
5869 - if (empty($api_key)) {
5870 - return;
5871 - }
5872 -
5873 - // Use the centralized utility function for storage
5874 - $result = MxChat_Utils::submit_content_to_db(
5875 - $final_content,
5876 - $source_url,
5877 - $api_key,
5878 - md5($source_url) // Vector ID for Pinecone
5879 - );
5880 -
5881 - // After successful storage, apply role restriction based on tags
5882 - if (!is_wp_error($result)) {
5883 - $this->apply_role_restriction_to_post($post_id, $source_url);
5884 - }
5885 - }
5886 -
5887 - // Clean up the stored previous status if not used above
5888 - if ($previous_status !== 'publish' || $post->post_status === 'publish') {
5889 - delete_transient($previous_status_key);
5890 - delete_transient($previous_url_key);
5891 - }
5892 -}
5893 -
5894 -/**
5895 - * Store the post status and URL before update to detect status transitions
5896 - * This runs before the post is actually updated in the database
5897 - */
5898 -public function mxchat_store_pre_update_status($post_id, $data) {
5899 - // Get the current post from database (before update)
5900 - $current_post = get_post($post_id);
5901 -
5902 - if ($current_post) {
5903 - // Store the current status temporarily
5904 - $status_key = 'mxchat_prev_status_' . $post_id;
5905 - set_transient($status_key, $current_post->post_status, HOUR_IN_SECONDS);
5906 -
5907 - // If the post is currently published, also store its URL
5908 - if ($current_post->post_status === 'publish') {
5909 - $url_key = 'mxchat_prev_url_' . $post_id;
5910 - $current_url = get_permalink($post_id);
5911 - set_transient($url_key, $current_url, HOUR_IN_SECONDS);
5912 - }
5913 - }
5914 -}
5915 -
5916 -public function mxchat_handle_post_delete($post_id) {
5917 - // Get post data before it's deleted
5918 - $post = get_post($post_id);
5919 -
5920 - // Basic validation
5921 - if (!$post || wp_is_post_revision($post_id)) {
5922 - return;
5923 - }
5924 -
5925 - $post_type = $post->post_type;
5926 -
5927 - // Check if sync is enabled for this post type
5928 - $should_sync = false;
5929 -
5930 - // Check built-in post types first
5931 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5932 - $should_sync = true;
5933 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5934 - $should_sync = true;
5935 - } else {
5936 - // Check custom post types
5937 - $option_name = 'mxchat_auto_sync_' . $post_type;
5938 - if (get_option($option_name) === '1') {
5939 - $should_sync = true;
5940 - }
5941 - }
5942 -
5943 - if (!$should_sync) {
5944 - return;
5945 - }
5946 -
5947 - // Resolve the pre-trash URL. wp_trash_post renames the slug with "__trashed" before firing
5948 - // this hook, so get_permalink() here would return the trashed URL and md5() would miss the
5949 - // real vector IDs stored under the original URL.
5950 - $source_url = $this->mxchat_resolve_pre_trash_url($post_id);
5951 - if (!$source_url) {
5952 - //error_log('MXChat: Failed to resolve source URL for post ' . $post_id);
5953 - return;
5954 - }
5955 -
5956 - // Use chunk-aware deletion (handles both chunked and non-chunked content)
5957 - $delete_result = MxChat_Utils::delete_chunks_for_url($source_url, 'default');
5958 -
5959 - if (is_wp_error($delete_result)) {
5960 - //error_log('MXChat: Chunk-aware deletion failed for URL: ' . $source_url . ' - ' . $delete_result->get_error_message());
5961 - }
5962 -
5963 - delete_transient('mxchat_prev_url_' . $post_id);
5964 - delete_transient('mxchat_prev_status_' . $post_id);
5965 -}
5966 -
5967 -/**
5968 - * Resolve the source URL for a post being trashed/deleted.
5969 - *
5970 - * Why: wp_trash_post appends "__trashed" to the slug before the wp_trash_post action fires, so
5971 - * get_permalink() returns a URL whose md5() won't match the vector IDs stored in Pinecone or
5972 - * the source_url rows in the WP DB. Prefer the URL captured by mxchat_store_pre_update_status
5973 - * (runs on pre_post_update, before the rename); fall back to stripping the __trashed suffix.
5974 - */
5975 -private function mxchat_resolve_pre_trash_url($post_id) {
5976 - $previous_url = get_transient('mxchat_prev_url_' . $post_id);
5977 - if (!empty($previous_url)) {
5978 - return $previous_url;
5979 - }
5980 -
5981 - $current = get_permalink($post_id);
5982 - if (!$current) {
5983 - return '';
5984 - }
5985 - return preg_replace('#__trashed(/?)$#', '$1', $current);
5986 -}
5987 -
5988 -
5989 -
5990 -public function mxchat_handle_product_change($post_id, $post, $update) {
5991 - if ($post->post_type !== 'product') {
5992 - return;
5993 - }
5994 -
5995 - if ($post->post_status === 'publish') {
5996 - add_action('shutdown', function() use ($post_id) {
5997 - $product = wc_get_product($post_id);
5998 - if ($product) {
5999 - $this->mxchat_store_product_embedding($product);
6000 - }
6001 - });
6002 - }
6003 -}
6004 -
6005 -/**
6006 - * Store WooCommerce product embeddings
6007 - */
6008 -private function mxchat_store_product_embedding($product) {
6009 - if (!isset($this->options['enable_woocommerce_integration']) ||
6010 - !in_array($this->options['enable_woocommerce_integration'], ['1', 'on'])) {
6011 - return;
6012 - }
6013 -
6014 - $source_url = get_permalink($product->get_id());
6015 - $product_id = $product->get_id();
6016 -
6017 - // Build product content
6018 - $title = $product->get_name();
6019 - $description = $product->get_description();
6020 - $short_description = $product->get_short_description();
6021 - $regular_price = $product->get_regular_price();
6022 - $sale_price = $product->get_sale_price();
6023 - $price = $product->get_price();
6024 - $sku = $product->get_sku();
6025 -
6026 - // Get currency symbol
6027 - $currency_symbol = get_woocommerce_currency_symbol();
6028 -
6029 - // Format content consistently
6030 - $content = $title . "\n\n";
6031 -
6032 - if (!empty($short_description)) {
6033 - $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
6034 - }
6035 -
6036 - if (!empty($description)) {
6037 - $content .= wp_strip_all_tags($description) . "\n\n";
6038 - }
6039 -
6040 - // Add pricing information
6041 - if (!empty($regular_price)) {
6042 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
6043 - } elseif (!empty($price)) {
6044 - $content .= "Price: " . $currency_symbol . $price . "\n";
6045 - }
6046 -
6047 - if (!empty($sale_price) && $sale_price !== $regular_price) {
6048 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
6049 - }
6050 -
6051 - // Handle variable products - show price range
6052 - if ($product->is_type('variable')) {
6053 - $min_price = $product->get_variation_price('min');
6054 - $max_price = $product->get_variation_price('max');
6055 - if ($min_price !== $max_price) {
6056 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
6057 - }
6058 - }
6059 -
6060 - if (!empty($sku)) {
6061 - $content .= "SKU: " . $sku . "\n";
6062 - }
6063 -
6064 - // Get product categories
6065 - $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
6066 - if (!empty($categories) && !is_wp_error($categories)) {
6067 - $content .= "Categories: " . implode(', ', $categories) . "\n";
6068 - }
6069 -
6070 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
6071 - $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
6072 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
6073 - foreach ($custom_tabs as $tab) {
6074 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
6075 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
6076 -
6077 - if (!empty($tab_title) && !empty($tab_content)) {
6078 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
6079 - }
6080 - }
6081 - }
6082 -
6083 - // Also check for reusable/saved tabs applied to this product
6084 - $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
6085 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
6086 - // Get the saved tabs option
6087 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
6088 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
6089 - foreach ($applied_saved_tabs as $saved_tab_id) {
6090 - if (isset($saved_tabs[$saved_tab_id])) {
6091 - $tab = $saved_tabs[$saved_tab_id];
6092 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
6093 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
6094 -
6095 - if (!empty($tab_title) && !empty($tab_content)) {
6096 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
6097 - }
6098 - }
6099 - }
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 - //error_log('MxChat Auto-sync: No API key configured for embedding model');
6117 - return;
6118 - }
6119 -
6120 - // Use the centralized utility function for storage
6121 - $result = MxChat_Utils::submit_content_to_db(
6122 - $content,
6123 - $source_url,
6124 - $api_key,
6125 - md5($source_url) // Vector ID for Pinecone
6126 - );
6127 -
6128 - // After successful storage, apply role restriction based on tags
6129 - if (!is_wp_error($result)) {
6130 - $this->apply_role_restriction_to_post($product_id, $source_url);
6131 - }
6132 -
6133 - if (is_wp_error($result)) {
6134 - //error_log('MxChat WooCommerce sync failed for product ' . $product_id . ': ' . $result->get_error_message());
6135 - }
6136 -}
6137 -
6138 -public function mxchat_handle_product_delete($post_id) {
6139 - if (get_post_type($post_id) !== 'product') {
6140 - return;
6141 - }
6142 -
6143 - $source_url = $this->mxchat_resolve_pre_trash_url($post_id);
6144 - if (!$source_url) {
6145 - return;
6146 - }
6147 -
6148 - // Chunk-aware deletion (routes to Pinecone or WP DB and removes base + all chunks)
6149 - MxChat_Utils::delete_chunks_for_url($source_url, 'default');
6150 -
6151 - delete_transient('mxchat_prev_url_' . $post_id);
6152 - delete_transient('mxchat_prev_status_' . $post_id);
6153 -}
6154 -
6155 -/**
6156 - * Handle individual Pinecone content deletion
6157 - */
6158 -public function mxchat_handle_pinecone_prompt_delete() {
6159 - // Check permissions
6160 - if (!current_user_can('manage_options')) {
6161 - wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
6162 - }
6163 -
6164 - // Verify nonce
6165 - if (!isset($_GET['_wpnonce']) || !wp_verify_nonce($_GET['_wpnonce'], 'mxchat_delete_pinecone_prompt_nonce')) {
6166 - wp_die(esc_html__('Security check failed.', 'mxchat'));
6167 - }
6168 -
6169 - $vector_id = isset($_GET['vector_id']) ? sanitize_text_field($_GET['vector_id']) : '';
6170 -
6171 - if (empty($vector_id)) {
6172 - set_transient('mxchat_admin_notice_error',
6173 - esc_html__('Invalid vector ID.', 'mxchat'),
6174 - 30
6175 - );
6176 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
6177 - exit;
6178 - }
6179 -
6180 - // Get Pinecone settings
6181 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
6182 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6183 -
6184 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6185 - set_transient('mxchat_admin_notice_error',
6186 - esc_html__('Pinecone is not properly configured.', 'mxchat'),
6187 - 30
6188 - );
6189 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
6190 - exit;
6191 - }
6192 -
6193 - // Delete from Pinecone
6194 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6195 - $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
6196 - $vector_id,
6197 - $pinecone_options['mxchat_pinecone_api_key'],
6198 - $pinecone_options['mxchat_pinecone_host']
6199 - );
6200 -
6201 - if ($result['success']) {
6202 - // No cache clearing needed since we removed caching
6203 - set_transient('mxchat_admin_notice_success',
6204 - esc_html__('Entry deleted successfully from Pinecone.', 'mxchat'),
6205 - 30
6206 - );
6207 - } else {
6208 - set_transient('mxchat_admin_notice_error',
6209 - esc_html__('Failed to delete entry: ', 'mxchat') . $result['message'],
6210 - 30
6211 - );
6212 - }
6213 -
6214 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
6215 - exit;
6216 -}
6217 -/**
6218 - * Handle individual Pinecone content deletion via AJAX
6219 - */
6220 -public function ajax_mxchat_delete_pinecone_prompt() {
6221 - // Verify nonce and permissions
6222 - if (!check_ajax_referer('mxchat_delete_pinecone_prompt_nonce', 'nonce', false)) {
6223 - wp_send_json_error('Invalid nonce');
6224 - exit;
6225 - }
6226 -
6227 - if (!current_user_can('manage_options')) {
6228 - wp_send_json_error('Unauthorized access');
6229 - exit;
6230 - }
6231 -
6232 - $vector_id = isset($_POST['vector_id']) ? sanitize_text_field($_POST['vector_id']) : '';
6233 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6234 -
6235 - if (empty($vector_id)) {
6236 - wp_send_json_error('Missing vector ID');
6237 - exit;
6238 - }
6239 -
6240 - // Get bot-specific Pinecone settings
6241 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6242 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6243 -
6244 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6245 -
6246 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6247 - wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
6248 - exit;
6249 - }
6250 -
6251 - // Delete from the correct Pinecone index
6252 - $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
6253 - $vector_id,
6254 - $pinecone_options['mxchat_pinecone_api_key'],
6255 - $pinecone_options['mxchat_pinecone_host']
6256 - );
6257 -
6258 - if ($result['success']) {
6259 - // No cache clearing needed since we removed caching
6260 - wp_send_json_success(array(
6261 - 'message' => 'Entry deleted successfully from Pinecone',
6262 - 'vector_id' => $vector_id,
6263 - 'bot_id' => $bot_id
6264 - ));
6265 - } else {
6266 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Failed to delete from Pinecone: ' . $result['message'], array('vector_id' => $vector_id, 'bot_id' => $bot_id));
6267 - wp_send_json_error('Failed to delete from Pinecone: ' . $result['message']);
6268 - }
6269 -
6270 - exit;
6271 -}
6272 -
6273 -/**
6274 - * Handle deletion of all chunks for a given source URL via AJAX
6275 - * Follows the same pattern as ajax_mxchat_delete_pinecone_prompt
6276 - */
6277 -public function ajax_mxchat_delete_chunks_by_url() {
6278 - // Verify nonce and permissions
6279 - if (!check_ajax_referer('mxchat_delete_chunks_nonce', 'nonce', false)) {
6280 - wp_send_json_error('Invalid nonce');
6281 - exit;
6282 - }
6283 -
6284 - if (!current_user_can('manage_options')) {
6285 - wp_send_json_error('Unauthorized access');
6286 - exit;
6287 - }
6288 -
6289 - $source_url = isset($_POST['source_url']) ? esc_url_raw($_POST['source_url']) : '';
6290 - $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
6291 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6292 -
6293 - if (empty($source_url)) {
6294 - wp_send_json_error('Missing source URL');
6295 - exit;
6296 - }
6297 -
6298 - // Generate the base vector ID from the source URL (same as how chunks are created)
6299 - $base_vector_id = md5($source_url);
6300 -
6301 - if ($data_source === 'pinecone') {
6302 - // Get bot-specific Pinecone settings (same as working delete function)
6303 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6304 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6305 -
6306 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6307 -
6308 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6309 - wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
6310 - exit;
6311 - }
6312 -
6313 - $api_key = $pinecone_options['mxchat_pinecone_api_key'];
6314 - $host = $pinecone_options['mxchat_pinecone_host'];
6315 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
6316 -
6317 - // Collect all vector IDs to delete
6318 - $vectors_to_delete = array();
6319 -
6320 - // Add the original single-vector ID (for non-chunked content)
6321 - $vectors_to_delete[] = $base_vector_id;
6322 -
6323 - // Use Pinecone list API to find all chunk vectors with this prefix
6324 - // NOTE: Pinecone List API is a GET request with query parameters, not POST
6325 - $prefix = $base_vector_id . '_chunk_';
6326 -
6327 - $query_params = array(
6328 - 'prefix' => $prefix,
6329 - 'limit' => 100
6330 - );
6331 -
6332 - if (!empty($namespace)) {
6333 - $query_params['namespace'] = $namespace;
6334 - }
6335 -
6336 - $list_url = "https://{$host}/vectors/list?" . http_build_query($query_params);
6337 -
6338 - $list_response = wp_remote_get($list_url, array(
6339 - 'headers' => array(
6340 - 'Api-Key' => $api_key,
6341 - 'accept' => 'application/json'
6342 - ),
6343 - 'timeout' => 30
6344 - ));
6345 -
6346 - if (!is_wp_error($list_response)) {
6347 - $list_body_response = wp_remote_retrieve_body($list_response);
6348 - $list_data = json_decode($list_body_response, true);
6349 - if (!empty($list_data['vectors'])) {
6350 - foreach ($list_data['vectors'] as $vector) {
6351 - if (isset($vector['id'])) {
6352 - $vectors_to_delete[] = $vector['id'];
6353 - }
6354 - }
6355 - }
6356 - }
6357 -
6358 - if (empty($vectors_to_delete)) {
6359 - wp_send_json_success(array(
6360 - 'message' => 'No vectors found to delete',
6361 - 'source_url' => $source_url
6362 - ));
6363 - exit;
6364 - }
6365 -
6366 - // Delete all vectors using the same endpoint as the working function
6367 - $delete_url = "https://{$host}/vectors/delete";
6368 -
6369 - $delete_body = array(
6370 - 'ids' => $vectors_to_delete
6371 - );
6372 -
6373 - if (!empty($namespace)) {
6374 - $delete_body['namespace'] = $namespace;
6375 - }
6376 -
6377 - $delete_response = wp_remote_post($delete_url, array(
6378 - 'headers' => array(
6379 - 'Api-Key' => $api_key,
6380 - 'accept' => 'application/json',
6381 - 'content-type' => 'application/json'
6382 - ),
6383 - 'body' => wp_json_encode($delete_body),
6384 - 'timeout' => 30
6385 - ));
6386 -
6387 - if (is_wp_error($delete_response)) {
6388 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Failed to delete chunks from Pinecone: ' . $delete_response->get_error_message(), array('source_url' => $source_url));
6389 - wp_send_json_error('Failed to delete from Pinecone: ' . $delete_response->get_error_message());
6390 - exit;
6391 - }
6392 -
6393 - $response_code = wp_remote_retrieve_response_code($delete_response);
6394 -
6395 - if ($response_code !== 200) {
6396 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Pinecone API error (HTTP ' . $response_code . ')', array('source_url' => $source_url));
6397 - wp_send_json_error('Pinecone API error (HTTP ' . $response_code . ')');
6398 - exit;
6399 - }
6400 -
6401 - wp_send_json_success(array(
6402 - 'message' => 'All chunks deleted successfully from Pinecone',
6403 - 'source_url' => $source_url,
6404 - 'deleted_count' => count($vectors_to_delete)
6405 - ));
6406 -
6407 - } else {
6408 - // WordPress database deletion
6409 - global $wpdb;
6410 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6411 -
6412 - $result = $wpdb->delete(
6413 - $table_name,
6414 - array('source_url' => $source_url),
6415 - array('%s')
6416 - );
6417 -
6418 - if ($result === false) {
6419 - MxChat_Admin::mxchat_log_debug('database_error', 'Failed to delete from database: ' . $wpdb->last_error, array('source_url' => $source_url));
6420 - wp_send_json_error('Failed to delete from database: ' . $wpdb->last_error);
6421 - exit;
6422 - }
6423 -
6424 - wp_send_json_success(array(
6425 - 'message' => 'All chunks deleted successfully from database',
6426 - 'source_url' => $source_url,
6427 - 'deleted_count' => $result
6428 - ));
6429 - }
6430 -
6431 - exit;
6432 -}
6433 -
6434 -/**
6435 - * Handle individual WordPress database content deletion via AJAX
6436 - * Mirrors the Pinecone delete handler but for WordPress database entries
6437 - */
6438 -public function ajax_mxchat_delete_wordpress_prompt() {
6439 - // Verify nonce and permissions
6440 - if (!check_ajax_referer('mxchat_delete_wordpress_prompt_nonce', 'nonce', false)) {
6441 - wp_send_json_error('Invalid nonce');
6442 - exit;
6443 - }
6444 -
6445 - if (!current_user_can('manage_options')) {
6446 - wp_send_json_error('Unauthorized access');
6447 - exit;
6448 - }
6449 -
6450 - $entry_id = isset($_POST['entry_id']) ? intval($_POST['entry_id']) : 0;
6451 -
6452 - if (empty($entry_id)) {
6453 - wp_send_json_error('Missing entry ID');
6454 - exit;
6455 - }
6456 -
6457 - global $wpdb;
6458 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6459 -
6460 - // Clear cache for this entry
6461 - wp_cache_delete('prompt_' . $entry_id, 'mxchat_prompts');
6462 -
6463 - // Delete from database
6464 - $result = $wpdb->delete(
6465 - $table_name,
6466 - array('id' => $entry_id),
6467 - array('%d')
6468 - );
6469 -
6470 - if ($result !== false) {
6471 - wp_send_json_success(array(
6472 - 'message' => 'Entry deleted successfully',
6473 - 'entry_id' => $entry_id
6474 - ));
6475 - } else {
6476 - wp_send_json_error('Failed to delete entry from database');
6477 - }
6478 -
6479 - exit;
6480 -}
6481 -
6482 -/**
6483 - * Handle bulk deletion of knowledge entries via AJAX
6484 - * Supports both Pinecone and WordPress database entries
6485 - */
6486 -public function ajax_mxchat_bulk_delete_knowledge() {
6487 - // Verify nonce and permissions
6488 - if (!check_ajax_referer('mxchat_bulk_delete_knowledge_nonce', 'nonce', false)) {
6489 - wp_send_json_error('Invalid nonce');
6490 - exit;
6491 - }
6492 -
6493 - if (!current_user_can('manage_options')) {
6494 - wp_send_json_error('Unauthorized access');
6495 - exit;
6496 - }
6497 -
6498 - $entries = isset($_POST['entries']) ? $_POST['entries'] : array();
6499 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6500 -
6501 - if (empty($entries) || !is_array($entries)) {
6502 - wp_send_json_error('No entries provided');
6503 - exit;
6504 - }
6505 -
6506 - // Extend execution time — bulk Pinecone operations can take a while
6507 - if (function_exists('set_time_limit')) {
6508 - set_time_limit(120);
6509 - }
6510 -
6511 - $success_ids = array();
6512 - $failed_ids = array();
6513 - $errors = array();
6514 -
6515 - global $wpdb;
6516 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6517 -
6518 - // Get Pinecone manager for Pinecone deletions
6519 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6520 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6521 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6522 -
6523 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
6524 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
6525 -
6526 - // =============================================
6527 - // PHASE 1: Collect all Pinecone vector IDs
6528 - // and separate WordPress entries
6529 - // =============================================
6530 - $pinecone_entry_ids = array(); // entry IDs that are pinecone-sourced
6531 - $wordpress_entries = array(); // entries for WordPress DB deletion
6532 - $all_vector_ids = array(); // all pinecone vector IDs to delete in one batch
6533 -
6534 - foreach ($entries as $entry) {
6535 - $entry_id = sanitize_text_field($entry['id'] ?? '');
6536 - $source = sanitize_text_field($entry['source'] ?? 'wordpress');
6537 - $source_url = isset($entry['sourceUrl']) ? esc_url_raw($entry['sourceUrl']) : '';
6538 - $is_group = isset($entry['isGroup']) && ($entry['isGroup'] === true || $entry['isGroup'] === 'true');
6539 -
6540 - if (empty($entry_id)) {
6541 - continue;
6542 - }
6543 -
6544 - if ($source === 'pinecone') {
6545 - if (!$use_pinecone || empty($api_key)) {
6546 - $failed_ids[] = $entry_id;
6547 - $errors[] = "Pinecone not configured for entry: $entry_id";
6548 - continue;
6549 - }
6550 -
6551 - $pinecone_entry_ids[] = $entry_id;
6552 -
6553 - if ($is_group && !empty($source_url)) {
6554 - // Grouped/chunked entry: collect base ID + chunk IDs via List API
6555 - $base_vector_id = md5($source_url);
6556 - $all_vector_ids[] = $base_vector_id;
6557 -
6558 - $list_url = 'https://' . $host . '/vectors/list?prefix=' . urlencode($base_vector_id . '_chunk_') . '&limit=100';
6559 - $list_response = wp_remote_get($list_url, array(
6560 - 'headers' => array(
6561 - 'Api-Key' => $api_key,
6562 - 'accept' => 'application/json'
6563 - ),
6564 - 'timeout' => 30
6565 - ));
6566 -
6567 - if (!is_wp_error($list_response)) {
6568 - $list_body = json_decode(wp_remote_retrieve_body($list_response), true);
6569 - if (!empty($list_body['vectors']) && is_array($list_body['vectors'])) {
6570 - foreach ($list_body['vectors'] as $vector) {
6571 - if (isset($vector['id'])) {
6572 - $all_vector_ids[] = $vector['id'];
6573 - }
6574 - }
6575 - }
6576 - }
6577 - } else {
6578 - // Single entry: the entry_id IS the vector ID
6579 - $all_vector_ids[] = $entry_id;
6580 - }
6581 - } else {
6582 - $wordpress_entries[] = $entry;
6583 - }
6584 - }
6585 -
6586 - // =============================================
6587 - // PHASE 2: Single batch delete to Pinecone
6588 - // =============================================
6589 - if (!empty($all_vector_ids)) {
6590 - $all_vector_ids = array_values(array_unique($all_vector_ids));
6591 - $pinecone_success = true;
6592 - $batches = array_chunk($all_vector_ids, 100);
6593 -
6594 - foreach ($batches as $batch) {
6595 - $delete_response = wp_remote_post("https://{$host}/vectors/delete", array(
6596 - 'headers' => array(
6597 - 'Api-Key' => $api_key,
6598 - 'accept' => 'application/json',
6599 - 'content-type' => 'application/json'
6600 - ),
6601 - 'body' => wp_json_encode(array('ids' => $batch)),
6602 - 'timeout' => 60
6603 - ));
6604 -
6605 - if (is_wp_error($delete_response)) {
6606 - $pinecone_success = false;
6607 - $errors[] = 'Pinecone batch deletion failed: ' . $delete_response->get_error_message();
6608 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Bulk delete batch failed: ' . $delete_response->get_error_message());
6609 - } else {
6610 - $response_code = wp_remote_retrieve_response_code($delete_response);
6611 - if ($response_code !== 200) {
6612 - $pinecone_success = false;
6613 - $response_body = wp_remote_retrieve_body($delete_response);
6614 - $errors[] = "Pinecone API error (HTTP $response_code)";
6615 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Bulk delete batch failed (HTTP ' . $response_code . ')', array('response' => substr($response_body, 0, 200)));
6616 - }
6617 - }
6618 - }
6619 -
6620 - // Mark all pinecone entries based on batch result
6621 - foreach ($pinecone_entry_ids as $eid) {
6622 - if ($pinecone_success) {
6623 - $success_ids[] = $eid;
6624 - } else {
6625 - $failed_ids[] = $eid;
6626 - }
6627 - }
6628 - }
6629 -
6630 - // =============================================
6631 - // PHASE 3: WordPress database deletions
6632 - // =============================================
6633 - foreach ($wordpress_entries as $entry) {
6634 - $entry_id = sanitize_text_field($entry['id'] ?? '');
6635 - $source_url = isset($entry['sourceUrl']) ? esc_url_raw($entry['sourceUrl']) : '';
6636 - $is_group = isset($entry['isGroup']) && ($entry['isGroup'] === true || $entry['isGroup'] === 'true');
6637 -
6638 - if (empty($entry_id)) {
6639 - continue;
6640 - }
6641 -
6642 - try {
6643 - if ($is_group && !empty($source_url)) {
6644 - $result = $wpdb->delete(
6645 - $table_name,
6646 - array('source_url' => $source_url),
6647 - array('%s')
6648 - );
6649 - } else {
6650 - wp_cache_delete('prompt_' . $entry_id, 'mxchat_prompts');
6651 - $result = $wpdb->delete(
6652 - $table_name,
6653 - array('id' => intval($entry_id)),
6654 - array('%d')
6655 - );
6656 - }
6657 -
6658 - if ($result !== false) {
6659 - $success_ids[] = $entry_id;
6660 - } else {
6661 - $failed_ids[] = $entry_id;
6662 - $errors[] = "Database error for entry: $entry_id";
6663 - }
6664 - } catch (Exception $e) {
6665 - $failed_ids[] = $entry_id;
6666 - $errors[] = $e->getMessage();
6667 - }
6668 - }
6669 -
6670 - wp_send_json_success(array(
6671 - 'success_ids' => $success_ids,
6672 - 'failed_ids' => $failed_ids,
6673 - 'errors' => $errors,
6674 - 'total_processed' => count($success_ids) + count($failed_ids)
6675 - ));
6676 -
6677 - exit;
6678 -}
6679 -
6680 -/**
6681 - * Get hierarchical roles for dropdown
6682 - */
6683 -public function mxchat_get_role_options() {
6684 - return array(
6685 - 'public' => __('Public (Everyone)', 'mxchat'),
6686 - 'logged_in' => __('Logged In Users', 'mxchat'),
6687 - 'subscriber' => __('Subscribers & Above', 'mxchat'),
6688 - 'contributor' => __('Contributors & Above', 'mxchat'),
6689 - 'author' => __('Authors & Above', 'mxchat'),
6690 - 'editor' => __('Editors & Above', 'mxchat'),
6691 - 'administrator' => __('Administrators Only', 'mxchat')
6692 - );
6693 -}
6694 -
6695 -/**
6696 - * Check if user has access to content based on role restriction
6697 - */
6698 -public function mxchat_user_has_content_access($role_restriction) {
6699 - // Public content is always accessible
6700 - if ($role_restriction === 'public' || empty($role_restriction)) {
6701 - return true;
6702 - }
6703 -
6704 - // Check if user is logged in for logged_in restriction
6705 - if ($role_restriction === 'logged_in') {
6706 - return is_user_logged_in();
6707 - }
6708 -
6709 - // If not logged in, no access to role-restricted content
6710 - if (!is_user_logged_in()) {
6711 - return false;
6712 - }
6713 -
6714 - $user = wp_get_current_user();
6715 - $user_roles = $user->roles;
6716 -
6717 - if (empty($user_roles)) {
6718 - return false;
6719 - }
6720 -
6721 - // Define role hierarchy (higher number = higher access)
6722 - $hierarchy = array(
6723 - 'subscriber' => 1,
6724 - 'contributor' => 2,
6725 - 'author' => 3,
6726 - 'editor' => 4,
6727 - 'administrator' => 5
6728 - );
6729 -
6730 - // Get required level
6731 - $required_level = isset($hierarchy[$role_restriction]) ? $hierarchy[$role_restriction] : 0;
6732 -
6733 - // Check if user has required level or higher
6734 - foreach ($user_roles as $user_role) {
6735 - $user_level = isset($hierarchy[$user_role]) ? $hierarchy[$user_role] : 0;
6736 - if ($user_level >= $required_level) {
6737 - return true;
6738 - }
6739 - }
6740 -
6741 - return false;
6742 -}
6743 -
6744 -/**
6745 - * Handle role restriction updates via AJAX
6746 - * Removed cache clearing call since we removed caching
6747 - */
6748 -public function ajax_mxchat_update_role_restriction() {
6749 - // Verify nonce and permissions
6750 - if (!check_ajax_referer('mxchat_update_role_nonce', 'nonce', false)) {
6751 - wp_send_json_error('Invalid nonce');
6752 - exit;
6753 - }
6754 -
6755 - if (!current_user_can('manage_options')) {
6756 - wp_send_json_error('Unauthorized access');
6757 - exit;
6758 - }
6759 -
6760 - $entry_id = isset($_POST['entry_id']) ? sanitize_text_field($_POST['entry_id']) : '';
6761 - $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
6762 - $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
6763 -
6764 - if (empty($entry_id)) {
6765 - wp_send_json_error('Invalid entry ID');
6766 - exit;
6767 - }
6768 -
6769 - // Get knowledge manager instance to validate role restriction
6770 - $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
6771 - $valid_roles = array_keys($knowledge_manager->mxchat_get_role_options());
6772 - if (!in_array($role_restriction, $valid_roles)) {
6773 - wp_send_json_error('Invalid role restriction');
6774 - exit;
6775 - }
6776 -
6777 - global $wpdb;
6778 -
6779 - if ($data_source === 'pinecone') {
6780 - // Handle Pinecone role restriction (stored separately in WordPress table)
6781 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
6782 -
6783 - // Use REPLACE to insert or update the role restriction
6784 - $result = $wpdb->replace(
6785 - $roles_table,
6786 - array(
6787 - 'vector_id' => $entry_id,
6788 - 'role_restriction' => $role_restriction,
6789 - 'updated_at' => current_time('mysql')
6790 - ),
6791 - array('%s', '%s', '%s')
6792 - );
6793 -
6794 - // No cache clearing needed since we removed caching
6795 -
6796 - } else {
6797 - // Handle WordPress database role restriction (existing functionality)
6798 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6799 -
6800 - $result = $wpdb->update(
6801 - $table_name,
6802 - array('role_restriction' => $role_restriction),
6803 - array('id' => absint($entry_id)),
6804 - array('%s'),
6805 - array('%d')
6806 - );
6807 - }
6808 -
6809 - if ($result === false) {
6810 - wp_send_json_error('Database update failed: ' . $wpdb->last_error);
6811 - exit;
6812 - }
6813 -
6814 - wp_send_json_success(array(
6815 - 'message' => 'Role restriction updated successfully',
6816 - 'role_restriction' => $role_restriction,
6817 - 'data_source' => $data_source,
6818 - 'entry_id' => $entry_id
6819 - ));
6820 - exit;
6821 -}
6822 -
6823 -// ========================================
6824 -// ROLE-BASED CONTENT RESTRICTIONS - NEW FUNCTIONS
6825 -// Add these to your MxChat_Knowledge_Manager class
6826 -// ========================================
6827 -
6828 -/**
6829 - * Initialize role-based content hooks
6830 - * Add this call to your __construct() or mxchat_init_hooks() method
6831 - */
6832 -private function mxchat_init_role_hooks() {
6833 - // AJAX handlers for tag-role mappings
6834 - add_action('wp_ajax_mxchat_add_tag_role_mapping', array($this, 'ajax_add_tag_role_mapping'));
6835 - add_action('wp_ajax_mxchat_delete_tag_role_mapping', array($this, 'ajax_delete_tag_role_mapping'));
6836 - add_action('wp_ajax_mxchat_get_tag_role_mappings', array($this, 'ajax_get_tag_role_mappings'));
6837 - add_action('wp_ajax_mxchat_bulk_update_tag_roles', array($this, 'ajax_bulk_update_tag_roles'));
6838 -
6839 - // Hook to automatically update role restrictions when tags are added/removed
6840 - add_action('set_object_terms', array($this, 'handle_tag_change'), 10, 6);
6841 -
6842 - // Hook to apply role restrictions on auto-sync
6843 - add_action('mxchat_content_stored', array($this, 'apply_role_restriction_after_storage'), 10, 2);
6844 -}
6845 -
6846 -/**
6847 - * Add tag-role mapping via AJAX
6848 - */
6849 -public function ajax_add_tag_role_mapping() {
6850 - // Verify nonce and permissions
6851 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6852 -
6853 - if (!current_user_can('manage_options')) {
6854 - wp_send_json_error('Unauthorized access');
6855 - exit;
6856 - }
6857 -
6858 - $tag_input = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
6859 - $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
6860 -
6861 - if (empty($tag_input)) {
6862 - wp_send_json_error('Please enter a tag name or slug');
6863 - exit;
6864 - }
6865 -
6866 - // Validate role restriction
6867 - $valid_roles = array_keys($this->mxchat_get_role_options());
6868 - if (!in_array($role_restriction, $valid_roles)) {
6869 - wp_send_json_error('Invalid role restriction');
6870 - exit;
6871 - }
6872 -
6873 - // Resolve the tag by slug first, then fall back to its display name, so users can
6874 - // enter either "premium-content" or "Premium Content". (plan b8bcf5 — the field is
6875 - // labeled by name but previously validated by slug only, producing the confusing
6876 - // "Tag does not exist in WordPress" error when a real tag's name was typed.)
6877 - $term = get_term_by('slug', $tag_input, 'post_tag');
6878 - if (!$term) {
6879 - $term = get_term_by('name', $tag_input, 'post_tag');
6880 - }
6881 - if (!$term) {
6882 - 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.');
6883 - exit;
6884 - }
6885 -
6886 - // Always key the mapping by the RESOLVED slug — apply_role_restriction_to_post()
6887 - // compares against each post's tag slugs, so the stored key must be a slug,
6888 - // never the raw (possibly display-name) input.
6889 - $tag_slug = $term->slug;
6890 -
6891 - // Get existing mappings
6892 - $mappings = get_option('mxchat_tag_role_mappings', array());
6893 -
6894 - // Check if mapping already exists
6895 - if (isset($mappings[$tag_slug])) {
6896 - wp_send_json_error('Mapping for this tag already exists');
6897 - exit;
6898 - }
6899 -
6900 - // Add new mapping
6901 - $mappings[$tag_slug] = $role_restriction;
6902 - update_option('mxchat_tag_role_mappings', $mappings);
6903 -
6904 - wp_send_json_success(array(
6905 - 'message' => 'Tag-role mapping added successfully',
6906 - 'tag_slug' => $tag_slug,
6907 - 'role_restriction' => $role_restriction
6908 - ));
6909 - exit;
6910 -}
6911 -
6912 -/**
6913 - * Delete tag-role mapping via AJAX
6914 - */
6915 -public function ajax_delete_tag_role_mapping() {
6916 - // Verify nonce and permissions
6917 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6918 -
6919 - if (!current_user_can('manage_options')) {
6920 - wp_send_json_error('Unauthorized access');
6921 - exit;
6922 - }
6923 -
6924 - $tag_slug = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
6925 -
6926 - if (empty($tag_slug)) {
6927 - wp_send_json_error('Tag slug is required');
6928 - exit;
6929 - }
6930 -
6931 - // Get existing mappings
6932 - $mappings = get_option('mxchat_tag_role_mappings', array());
6933 -
6934 - // Check if mapping exists
6935 - if (!isset($mappings[$tag_slug])) {
6936 - wp_send_json_error('Mapping does not exist');
6937 - exit;
6938 - }
6939 -
6940 - // Remove mapping
6941 - unset($mappings[$tag_slug]);
6942 - update_option('mxchat_tag_role_mappings', $mappings);
6943 -
6944 - wp_send_json_success(array(
6945 - 'message' => 'Tag-role mapping deleted successfully',
6946 - 'tag_slug' => $tag_slug
6947 - ));
6948 - exit;
6949 -}
6950 -
6951 -/**
6952 - * Get all tag-role mappings via AJAX
6953 - */
6954 -public function ajax_get_tag_role_mappings() {
6955 - // Verify nonce and permissions
6956 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6957 -
6958 - if (!current_user_can('manage_options')) {
6959 - wp_send_json_error('Unauthorized access');
6960 - exit;
6961 - }
6962 -
6963 - // Get mappings
6964 - $mappings = get_option('mxchat_tag_role_mappings', array());
6965 - $role_options = $this->mxchat_get_role_options();
6966 -
6967 - $formatted_mappings = array();
6968 -
6969 - foreach ($mappings as $tag_slug => $role_restriction) {
6970 - // Get tag object
6971 - $term = get_term_by('slug', $tag_slug, 'post_tag');
6972 -
6973 - // Count posts with this tag
6974 - $post_count = 0;
6975 - if ($term) {
6976 - $post_count = $term->count;
6977 - }
6978 -
6979 - $formatted_mappings[] = array(
6980 - 'tag_slug' => $tag_slug,
6981 - 'role_restriction' => $role_restriction,
6982 - 'role_label' => $role_options[$role_restriction] ?? $role_restriction,
6983 - 'post_count' => $post_count
6984 - );
6985 - }
6986 -
6987 - wp_send_json_success(array(
6988 - 'mappings' => $formatted_mappings
6989 - ));
6990 - exit;
6991 -}
6992 -
6993 -/**
6994 - * Bulk update role restrictions for all existing content with mapped tags
6995 - */
6996 -public function ajax_bulk_update_tag_roles() {
6997 - // Verify nonce and permissions
6998 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6999 -
7000 - if (!current_user_can('manage_options')) {
7001 - wp_send_json_error('Unauthorized access');
7002 - exit;
7003 - }
7004 -
7005 - // Get mappings
7006 - $mappings = get_option('mxchat_tag_role_mappings', array());
7007 -
7008 - if (empty($mappings)) {
7009 - wp_send_json_error('No tag-role mappings found');
7010 - exit;
7011 - }
7012 -
7013 - global $wpdb;
7014 -
7015 - // Check if using Pinecone
7016 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
7017 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
7018 -
7019 - $updated_count = 0;
7020 - $details = array();
7021 -
7022 - foreach ($mappings as $tag_slug => $role_restriction) {
7023 - // Get all posts with this tag
7024 - $posts = get_posts(array(
7025 - 'tag' => $tag_slug,
7026 - 'post_type' => 'any',
7027 - 'posts_per_page' => -1,
7028 - 'fields' => 'ids',
7029 - 'post_status' => 'publish'
7030 - ));
7031 -
7032 - if (empty($posts)) {
7033 - continue;
7034 - }
7035 -
7036 - $tag_updated = 0;
7037 -
7038 - foreach ($posts as $post_id) {
7039 - $source_url = get_permalink($post_id);
7040 - if (!$source_url) {
7041 - continue;
7042 - }
7043 -
7044 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
7045 - // Update Pinecone role restriction
7046 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
7047 - $vector_id = md5($source_url);
7048 -
7049 - $result = $wpdb->replace(
7050 - $roles_table,
7051 - array(
7052 - 'vector_id' => $vector_id,
7053 - 'role_restriction' => $role_restriction,
7054 - 'updated_at' => current_time('mysql')
7055 - ),
7056 - array('%s', '%s', '%s')
7057 - );
7058 - } else {
7059 - // Update WordPress DB
7060 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
7061 -
7062 - $result = $wpdb->update(
7063 - $table_name,
7064 - array('role_restriction' => $role_restriction),
7065 - array('source_url' => $source_url),
7066 - array('%s'),
7067 - array('%s')
7068 - );
7069 - }
7070 -
7071 - if ($result !== false) {
7072 - $tag_updated++;
7073 - $updated_count++;
7074 - }
7075 - }
7076 -
7077 - if ($tag_updated > 0) {
7078 - $details[] = sprintf(
7079 - 'Tag "%s" (%s): %d posts updated',
7080 - $tag_slug,
7081 - $role_restriction,
7082 - $tag_updated
7083 - );
7084 - }
7085 - }
7086 -
7087 - wp_send_json_success(array(
7088 - 'message' => 'Bulk update completed',
7089 - 'updated_count' => $updated_count,
7090 - 'tags_processed' => count($mappings),
7091 - 'details' => $details
7092 - ));
7093 - exit;
7094 -}
7095 -
7096 -/**
7097 - * Handle tag changes on posts (when tags are added or removed)
7098 - */
7099 -public function handle_tag_change($object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids) {
7100 - // Only process post tags
7101 - if ($taxonomy !== 'post_tag') {
7102 - return;
7103 - }
7104 -
7105 - // Get tag-role mappings
7106 - $mappings = get_option('mxchat_tag_role_mappings', array());
7107 -
7108 - if (empty($mappings)) {
7109 - return;
7110 - }
7111 -
7112 - // Get the post's URL
7113 - $source_url = get_permalink($object_id);
7114 - if (!$source_url) {
7115 - return;
7116 - }
7117 -
7118 - // Determine the highest role restriction based on tags
7119 - $highest_role = 'public';
7120 - $role_hierarchy = array(
7121 - 'public' => 0,
7122 - 'logged_in' => 1,
7123 - 'subscriber' => 2,
7124 - 'contributor' => 3,
7125 - 'author' => 4,
7126 - 'editor' => 5,
7127 - 'administrator' => 6
7128 - );
7129 -
7130 - // Get all current tags for the post
7131 - $current_tags = wp_get_post_tags($object_id, array('fields' => 'slugs'));
7132 -
7133 - // Find the highest role restriction among the tags
7134 - foreach ($current_tags as $tag_slug) {
7135 - if (isset($mappings[$tag_slug])) {
7136 - $role = $mappings[$tag_slug];
7137 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
7138 - $highest_role = $role;
7139 - }
7140 - }
7141 - }
7142 -
7143 - // Update the role restriction in the database
7144 - global $wpdb;
7145 -
7146 - // Check if using Pinecone
7147 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
7148 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
7149 -
7150 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
7151 - // Update Pinecone role restriction
7152 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
7153 - $vector_id = md5($source_url);
7154 -
7155 - $wpdb->replace(
7156 - $roles_table,
7157 - array(
7158 - 'vector_id' => $vector_id,
7159 - 'role_restriction' => $highest_role,
7160 - 'updated_at' => current_time('mysql')
7161 - ),
7162 - array('%s', '%s', '%s')
7163 - );
7164 - } else {
7165 - // Update WordPress DB
7166 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
7167 -
7168 - $wpdb->update(
7169 - $table_name,
7170 - array('role_restriction' => $highest_role),
7171 - array('source_url' => $source_url),
7172 - array('%s'),
7173 - array('%s')
7174 - );
7175 - }
7176 -}
7177 -
7178 -/**
7179 - * Apply role restriction after content is stored (for auto-sync)
7180 - */
7181 -public function apply_role_restriction_after_storage($post_id, $source_url) {
7182 - // Get tag-role mappings
7183 - $mappings = get_option('mxchat_tag_role_mappings', array());
7184 -
7185 - if (empty($mappings)) {
7186 - return;
7187 - }
7188 -
7189 - // Get all tags for the post
7190 - $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
7191 -
7192 - if (empty($post_tags)) {
7193 - return;
7194 - }
7195 -
7196 - // Determine the highest role restriction based on tags
7197 - $highest_role = 'public';
7198 - $role_hierarchy = array(
7199 - 'public' => 0,
7200 - 'logged_in' => 1,
7201 - 'subscriber' => 2,
7202 - 'contributor' => 3,
7203 - 'author' => 4,
7204 - 'editor' => 5,
7205 - 'administrator' => 6
7206 - );
7207 -
7208 - foreach ($post_tags as $tag_slug) {
7209 - if (isset($mappings[$tag_slug])) {
7210 - $role = $mappings[$tag_slug];
7211 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
7212 - $highest_role = $role;
7213 - }
7214 - }
7215 - }
7216 -
7217 - // If no restricted tags found, return (leave as public)
7218 - if ($highest_role === 'public') {
7219 - return;
7220 - }
7221 -
7222 - // Update the role restriction
7223 - global $wpdb;
7224 -
7225 - // Check if using Pinecone
7226 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
7227 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
7228 -
7229 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
7230 - // Update Pinecone role restriction
7231 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
7232 - $vector_id = md5($source_url);
7233 -
7234 - $wpdb->replace(
7235 - $roles_table,
7236 - array(
7237 - 'vector_id' => $vector_id,
7238 - 'role_restriction' => $highest_role,
7239 - 'updated_at' => current_time('mysql')
7240 - ),
7241 - array('%s', '%s', '%s')
7242 - );
7243 - } else {
7244 - // Update WordPress DB
7245 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
7246 -
7247 - $wpdb->update(
7248 - $table_name,
7249 - array('role_restriction' => $highest_role),
7250 - array('source_url' => $source_url),
7251 - array('%s'),
7252 - array('%s')
7253 - );
7254 - }
7255 -}
7256 -
7257 -
7258 - // ========================================
7259 - // HELPER METHODS
7260 - // ========================================
7261 -
7262 - /**
7263 - * Check if user has required permissions for content processing
7264 - */
7265 - private function mxchat_check_user_permissions() {
7266 - if (!current_user_can('manage_options')) {
7267 - wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
7268 - }
7269 - }
7270 -
7271 - /**
7272 - * Validate nonce for security
7273 - */
7274 - private function mxchat_validate_nonce($nonce_name, $nonce_action) {
7275 - if (!isset($_POST[$nonce_name]) || !wp_verify_nonce($_POST[$nonce_name], $nonce_action)) {
7276 - wp_die(esc_html__('Security check failed.', 'mxchat'));
7277 - }
7278 - }
7279 -
7280 - /**
7281 - * Get embedding API credentials
7282 - */
7283 - private function mxchat_get_embedding_credentials() {
7284 - $embedding_model = $this->options['embedding_model'] ?? 'text-embedding-ada-002';
7285 -
7286 - if (strpos($embedding_model, 'text-embedding-') !== false) {
7287 - return array(
7288 - 'type' => 'openai',
7289 - 'api_key' => $this->options['api_key'] ?? ''
7290 - );
7291 - } elseif (strpos($embedding_model, 'voyage-') !== false) {
7292 - return array(
7293 - 'type' => 'voyage',
7294 - 'api_key' => $this->options['voyage_api_key'] ?? ''
7295 - );
7296 - } elseif (strpos($embedding_model, 'gemini-embedding-') !== false) {
7297 - return array(
7298 - 'type' => 'gemini',
7299 - 'api_key' => $this->options['gemini_api_key'] ?? ''
7300 - );
7301 - }
7302 -
7303 - return array('type' => 'unknown', 'api_key' => '');
7304 - }
7305 -
7306 - /**
7307 - * Log processing errors
7308 - */
7309 - private function mxchat_log_processing_error($operation, $error_message) {
7310 - //error_log("MxChat Knowledge Processing {$operation} Error: " . $error_message);
7311 - }
7312 -
7313 - /**
7314 - * Set admin notice transient
7315 - */
7316 - private function mxchat_set_admin_notice($type, $message) {
7317 - set_transient("mxchat_admin_notice_{$type}", $message, 30);
7318 - }
7319 -
7320 - /**
7321 - * Get Pinecone manager instance for vector operations
7322 - */
7323 - private function mxchat_get_pinecone_manager() {
7324 - return MxChat_Pinecone_Manager::get_instance();
7325 - }
7326 -
7327 -
7328 - // ========================================
7329 -// DATABASE QUEUE TABLE MANAGEMENT
7330 -// ========================================
7331 -
7332 -/**
7333 - * Create queue table on plugin activation
7334 - * Call this from your plugin activation hook
7335 - */
7336 -public function mxchat_create_queue_table() {
7337 - global $wpdb;
7338 -
7339 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7340 - $charset_collate = $wpdb->get_charset_collate();
7341 -
7342 - $sql = "CREATE TABLE IF NOT EXISTS $table_name (
7343 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
7344 - queue_id varchar(64) NOT NULL,
7345 - item_type varchar(20) NOT NULL,
7346 - item_data longtext NOT NULL,
7347 - status varchar(20) NOT NULL DEFAULT 'pending',
7348 - bot_id varchar(50) NOT NULL DEFAULT 'default',
7349 - priority int(11) NOT NULL DEFAULT 0,
7350 - attempts int(11) NOT NULL DEFAULT 0,
7351 - max_attempts int(11) NOT NULL DEFAULT 3,
7352 - error_message text DEFAULT NULL,
7353 - created_at datetime NOT NULL,
7354 - started_at datetime DEFAULT NULL,
7355 - completed_at datetime DEFAULT NULL,
7356 - PRIMARY KEY (id),
7357 - KEY queue_id (queue_id),
7358 - KEY status (status),
7359 - KEY item_type (item_type),
7360 - KEY priority (priority)
7361 - ) $charset_collate;";
7362 -
7363 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
7364 - dbDelta($sql);
7365 -
7366 - // Also create a meta table for queue metadata
7367 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7368 -
7369 - $meta_sql = "CREATE TABLE IF NOT EXISTS $meta_table (
7370 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
7371 - queue_id varchar(64) NOT NULL,
7372 - meta_key varchar(255) NOT NULL,
7373 - meta_value longtext,
7374 - PRIMARY KEY (id),
7375 - KEY queue_id (queue_id),
7376 - KEY meta_key (meta_key)
7377 - ) $charset_collate;";
7378 -
7379 - dbDelta($meta_sql);
7380 -}
7381 -
7382 -/**
7383 - * Add items to the processing queue
7384 - *
7385 - * @param string $queue_id Unique identifier for this queue batch
7386 - * @param string $item_type Type of item (url, pdf_page)
7387 - * @param array $items Array of items to queue
7388 - * @param string $bot_id Bot ID for processing
7389 - * @return int Number of items queued
7390 - */
7391 -private function mxchat_add_to_queue($queue_id, $item_type, $items, $bot_id = 'default') {
7392 - global $wpdb;
7393 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7394 -
7395 - $queued_count = 0;
7396 - $priority = 0;
7397 -
7398 - foreach ($items as $item) {
7399 - $result = $wpdb->insert(
7400 - $table_name,
7401 - array(
7402 - 'queue_id' => $queue_id,
7403 - 'item_type' => $item_type,
7404 - 'item_data' => wp_json_encode($item),
7405 - 'status' => 'pending',
7406 - 'bot_id' => $bot_id,
7407 - 'priority' => $priority,
7408 - 'attempts' => 0,
7409 - 'max_attempts' => 3,
7410 - 'created_at' => current_time('mysql')
7411 - ),
7412 - array('%s', '%s', '%s', '%s', '%s', '%d', '%d', '%d', '%s')
7413 - );
7414 -
7415 - if ($result) {
7416 - $queued_count++;
7417 - }
7418 -
7419 - $priority++; // Process in order
7420 - }
7421 -
7422 - return $queued_count;
7423 -}
7424 -
7425 -/**
7426 - * Store queue metadata (total counts, source URL, etc.)
7427 - */
7428 -private function mxchat_set_queue_meta($queue_id, $meta_key, $meta_value) {
7429 - global $wpdb;
7430 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7431 -
7432 - // Check if meta exists
7433 - $existing = $wpdb->get_var($wpdb->prepare(
7434 - "SELECT id FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
7435 - $queue_id,
7436 - $meta_key
7437 - ));
7438 -
7439 - if ($existing) {
7440 - // Update
7441 - $wpdb->update(
7442 - $meta_table,
7443 - array('meta_value' => maybe_serialize($meta_value)),
7444 - array('queue_id' => $queue_id, 'meta_key' => $meta_key),
7445 - array('%s'),
7446 - array('%s', '%s')
7447 - );
7448 - } else {
7449 - // Insert
7450 - $wpdb->insert(
7451 - $meta_table,
7452 - array(
7453 - 'queue_id' => $queue_id,
7454 - 'meta_key' => $meta_key,
7455 - 'meta_value' => maybe_serialize($meta_value)
7456 - ),
7457 - array('%s', '%s', '%s')
7458 - );
7459 - }
7460 -}
7461 -
7462 -/**
7463 - * Get queue metadata
7464 - */
7465 -private function mxchat_get_queue_meta($queue_id, $meta_key) {
7466 - global $wpdb;
7467 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7468 -
7469 - $value = $wpdb->get_var($wpdb->prepare(
7470 - "SELECT meta_value FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
7471 - $queue_id,
7472 - $meta_key
7473 - ));
7474 -
7475 - return maybe_unserialize($value);
7476 -}
7477 -
7478 -// ========================================
7479 -// AJAX QUEUE PROCESSING HANDLERS
7480 -// ========================================
7481 -
7482 -/**
7483 - * AJAX: Get next item from queue to process
7484 - */
7485 -public function ajax_mxchat_get_next_queue_item() {
7486 - // Verify nonce and permissions
7487 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
7488 -
7489 - if (!current_user_can('manage_options')) {
7490 - wp_send_json_error('Unauthorized access');
7491 - }
7492 -
7493 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
7494 -
7495 - if (empty($queue_id)) {
7496 - wp_send_json_error('Missing queue ID');
7497 - }
7498 -
7499 - global $wpdb;
7500 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7501 -
7502 - // Get next pending item with retry logic for failed items
7503 - $next_item = $wpdb->get_row($wpdb->prepare(
7504 - "SELECT * FROM $table_name
7505 - WHERE queue_id = %s
7506 - AND status IN ('pending', 'failed')
7507 - AND attempts < max_attempts
7508 - ORDER BY priority ASC, id ASC
7509 - LIMIT 1",
7510 - $queue_id
7511 - ));
7512 -
7513 - if (!$next_item) {
7514 - // No more items - queue complete
7515 - wp_send_json_success(array(
7516 - 'complete' => true,
7517 - 'message' => 'Queue processing complete'
7518 - ));
7519 - }
7520 -
7521 - // Mark item as processing
7522 - $wpdb->update(
7523 - $table_name,
7524 - array(
7525 - 'status' => 'processing',
7526 - 'started_at' => current_time('mysql'),
7527 - 'attempts' => $next_item->attempts + 1
7528 - ),
7529 - array('id' => $next_item->id),
7530 - array('%s', '%s', '%d'),
7531 - array('%d')
7532 - );
7533 -
7534 - wp_send_json_success(array(
7535 - 'complete' => false,
7536 - 'item' => array(
7537 - 'id' => $next_item->id,
7538 - 'type' => $next_item->item_type,
7539 - 'data' => json_decode($next_item->item_data, true),
7540 - 'bot_id' => $next_item->bot_id,
7541 - 'attempt' => $next_item->attempts + 1
7542 - )
7543 - ));
7544 -}
7545 -
7546 -/**
7547 - * AJAX: Process a single queue item
7548 - */
7549 -public function ajax_mxchat_process_queue_item() {
7550 - // Verify nonce and permissions
7551 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
7552 -
7553 - if (!current_user_can('manage_options')) {
7554 - wp_send_json_error('Unauthorized access');
7555 - }
7556 -
7557 - $item_id = isset($_POST['item_id']) ? absint($_POST['item_id']) : 0;
7558 - $item_type = isset($_POST['item_type']) ? sanitize_text_field($_POST['item_type']) : '';
7559 - $item_data = isset($_POST['item_data']) ? $_POST['item_data'] : array();
7560 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
7561 -
7562 - if (empty($item_id) || empty($item_type)) {
7563 - wp_send_json_error('Missing item data');
7564 - }
7565 -
7566 - global $wpdb;
7567 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7568 -
7569 - // Process based on item type
7570 - try {
7571 - set_time_limit(60); // Give processing 60 seconds
7572 -
7573 - $result = false;
7574 - $error_message = '';
7575 -
7576 - // Read item directly from DB to get queue_id and preserve special chars in item_data
7577 - // (POST round-trip through JS mangles characters like apostrophes in URLs)
7578 - $db_item = $wpdb->get_row($wpdb->prepare(
7579 - "SELECT queue_id, item_data FROM $table_name WHERE id = %d",
7580 - $item_id
7581 - ));
7582 - $item_queue_id = $db_item ? $db_item->queue_id : '';
7583 - if ($db_item && !empty($db_item->item_data)) {
7584 - $db_data = json_decode($db_item->item_data, true);
7585 - if (is_array($db_data)) {
7586 - $item_data = $db_data;
7587 - }
7588 - }
7589 -
7590 - switch ($item_type) {
7591 - case 'url':
7592 - $result = $this->mxchat_process_queue_url($item_data, $bot_id, $item_queue_id);
7593 - break;
7594 -
7595 - case 'pdf_page':
7596 - $result = $this->mxchat_process_queue_pdf_page($item_data, $bot_id);
7597 - break;
7598 -
7599 - default:
7600 - throw new Exception('Unknown item type: ' . $item_type);
7601 - }
7602 -
7603 - if (is_wp_error($result)) {
7604 - $error_code = $result->get_error_code();
7605 - // Content errors (empty page, sanitization) are permanent — retrying won't help
7606 - $permanent_codes = array('empty_page', 'empty_after_sanitization', 'no_api_key', 'page_not_found');
7607 - if (in_array($error_code, $permanent_codes)) {
7608 - // Mark as permanently failed — set attempts = max_attempts so it won't be retried
7609 - $current_item = $wpdb->get_row($wpdb->prepare(
7610 - "SELECT max_attempts FROM $table_name WHERE id = %d", $item_id
7611 - ));
7612 - $wpdb->update(
7613 - $table_name,
7614 - array(
7615 - 'status' => 'failed',
7616 - 'error_message' => $result->get_error_message(),
7617 - 'attempts' => $current_item ? $current_item->max_attempts : 3
7618 - ),
7619 - array('id' => $item_id),
7620 - array('%s', '%s', '%d'),
7621 - array('%d')
7622 - );
7623 - wp_send_json_error(array(
7624 - 'message' => $result->get_error_message(),
7625 - 'permanent_failure' => true,
7626 - 'item_id' => $item_id
7627 - ));
7628 - return;
7629 - }
7630 - throw new Exception($result->get_error_message());
7631 - }
7632 -
7633 - if ($result === false) {
7634 - throw new Exception('Processing returned false - item may be empty or invalid');
7635 - }
7636 -
7637 - // Mark as completed
7638 - $wpdb->update(
7639 - $table_name,
7640 - array(
7641 - 'status' => 'completed',
7642 - 'completed_at' => current_time('mysql'),
7643 - 'error_message' => null
7644 - ),
7645 - array('id' => $item_id),
7646 - array('%s', '%s', '%s'),
7647 - array('%d')
7648 - );
7649 -
7650 - wp_send_json_success(array(
7651 - 'processed' => true,
7652 - 'item_id' => $item_id,
7653 - 'message' => 'Item processed successfully'
7654 - ));
7655 -
7656 - } catch (Exception $e) {
7657 - $error_message = $e->getMessage();
7658 -
7659 - // Get current attempt count
7660 - $item = $wpdb->get_row($wpdb->prepare(
7661 - "SELECT attempts, max_attempts FROM $table_name WHERE id = %d",
7662 - $item_id
7663 - ));
7664 -
7665 - // Check if we've exhausted retries
7666 - if ($item && $item->attempts >= $item->max_attempts) {
7667 - // Permanently failed
7668 - $wpdb->update(
7669 - $table_name,
7670 - array(
7671 - 'status' => 'failed',
7672 - 'error_message' => $error_message
7673 - ),
7674 - array('id' => $item_id),
7675 - array('%s', '%s'),
7676 - array('%d')
7677 - );
7678 -
7679 - wp_send_json_error(array(
7680 - 'message' => 'Item failed after maximum attempts: ' . $error_message,
7681 - 'permanent_failure' => true,
7682 - 'item_id' => $item_id
7683 - ));
7684 - } else {
7685 - // Mark for retry
7686 - $wpdb->update(
7687 - $table_name,
7688 - array(
7689 - 'status' => 'failed',
7690 - 'error_message' => $error_message
7691 - ),
7692 - array('id' => $item_id),
7693 - array('%s', '%s'),
7694 - array('%d')
7695 - );
7696 -
7697 - wp_send_json_error(array(
7698 - 'message' => 'Item processing failed, will retry: ' . $error_message,
7699 - 'can_retry' => true,
7700 - 'item_id' => $item_id,
7701 - 'attempts' => $item ? $item->attempts : 0
7702 - ));
7703 - }
7704 - }
7705 -}
7706 -
7707 -/**
7708 - * Process a URL from the queue
7709 - */
7710 -private function mxchat_process_queue_url($item_data, $bot_id = 'default', $queue_id = '') {
7711 - $url = isset($item_data['url']) ? $item_data['url'] : '';
7712 -
7713 - if (empty($url)) {
7714 - return new WP_Error('invalid_url', 'URL is empty');
7715 - }
7716 -
7717 - // Get bot-specific API key early (needed for both paths)
7718 - $bot_options = $this->get_bot_options($bot_id);
7719 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
7720 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
7721 -
7722 - if (strpos($selected_model, 'voyage') === 0) {
7723 - $api_key = $options['voyage_api_key'] ?? '';
7724 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
7725 - $api_key = $options['gemini_api_key'] ?? '';
7726 - } else {
7727 - $api_key = $options['api_key'] ?? '';
7728 - }
7729 -
7730 - if (empty($api_key)) {
7731 - return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
7732 - }
7733 -
7734 - // Check if this is a WooCommerce product URL and WooCommerce is active
7735 - $is_product_url = (strpos($url, '/product/') !== false || strpos($url, '/shop/') !== false);
7736 - $content_type = $is_product_url ? 'product' : 'url';
7737 -
7738 - // Try to get WooCommerce product data if it's a product URL
7739 - if ($is_product_url && class_exists('WooCommerce')) {
7740 - $product_content = $this->mxchat_extract_woocommerce_product_content($url);
7741 -
7742 - if (!empty($product_content)) {
7743 - // Successfully extracted WooCommerce product data with pricing
7744 - $result = MxChat_Utils::submit_content_to_db(
7745 - $product_content,
7746 - $url,
7747 - $api_key,
7748 - null,
7749 - $bot_id,
7750 - 'product'
7751 - );
7752 - return $result;
7753 - }
7754 - // If WooCommerce extraction failed, fall through to HTML extraction
7755 - }
7756 -
7757 - // Fetch URL content (fallback for non-products or when WooCommerce extraction fails)
7758 - $is_likely_pdf = (strtolower(pathinfo(parse_url($url, PHP_URL_PATH) ?: '', PATHINFO_EXTENSION)) === 'pdf');
7759 - $response = wp_remote_get($url, array(
7760 - 'timeout' => $is_likely_pdf ? 120 : 30,
7761 - 'redirection' => 5,
7762 - 'user-agent' => mxchat_ingest_user_agent(),
7763 - ));
7764 -
7765 - if (is_wp_error($response)) {
7766 - return $response;
7767 - }
7768 -
7769 - $response_code = wp_remote_retrieve_response_code($response);
7770 - if ($response_code !== 200) {
7771 - return new WP_Error('http_error', 'HTTP ' . $response_code . ' error for: ' . $url);
7772 - }
7773 -
7774 - // Check if URL is a PDF — expand into per-page queue items using the standard PDF pipeline
7775 - if ($this->mxchat_is_pdf_url($url, $response)) {
7776 - return $this->mxchat_expand_pdf_to_queue($url, $response, $bot_id, $queue_id);
7777 - }
7778 -
7779 - $html = wp_remote_retrieve_body($response);
7780 -
7781 - if (empty($html)) {
7782 - return new WP_Error('empty_response', 'Empty response body');
7783 - }
7784 -
7785 - // Extract and sanitize content
7786 - $content = $this->mxchat_extract_main_content($html);
7787 - $sanitized = $this->mxchat_sanitize_content_for_api($content);
7788 -
7789 - if (empty($sanitized)) {
7790 - // Not an error - just no content found (maybe a redirect or empty page)
7791 - return false;
7792 - }
7793 -
7794 - // Submit to database with content_type
7795 - $result = MxChat_Utils::submit_content_to_db(
7796 - $sanitized,
7797 - $url,
7798 - $api_key,
7799 - null,
7800 - $bot_id,
7801 - $content_type
7802 - );
7803 -
7804 - return $result;
7805 -}
7806 -
7807 -/**
7808 - * Expand a PDF URL into per-page queue items using the standard PDF pipeline.
7809 - * Called when a sitemap URL turns out to be a PDF — downloads, parses page count,
7810 - * and adds pdf_page items to the same queue so they process with full progress tracking.
7811 - */
7812 -private function mxchat_expand_pdf_to_queue($pdf_url, $response, $bot_id = 'default', $queue_id = '') {
7813 - set_time_limit(120); // PDFs need extra time for download + parsing
7814 -
7815 - $upload_dir = wp_upload_dir();
7816 - $pdf_filename = sanitize_file_name('mxchat_kb_' . md5($pdf_url) . '.pdf');
7817 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
7818 -
7819 - $response_body = wp_remote_retrieve_body($response);
7820 - if (empty($response_body)) {
7821 - return new WP_Error('empty_pdf', 'Empty PDF response for: ' . $pdf_url);
7822 - }
7823 -
7824 - if (!wp_mkdir_p(dirname($pdf_path))) {
7825 - return new WP_Error('dir_error', 'Failed to create upload directory');
7826 - }
7827 -
7828 - file_put_contents($pdf_path, $response_body);
7829 -
7830 - if (!file_exists($pdf_path)) {
7831 - return new WP_Error('save_error', 'Failed to save PDF file');
7832 - }
7833 -
7834 - try {
7835 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
7836 -
7837 - if ($total_pages === false || $total_pages < 1) {
7838 - wp_delete_file($pdf_path);
7839 - return new WP_Error('no_pages', 'PDF has no pages: ' . $pdf_url);
7840 - }
7841 -
7842 - // Build per-page items identical to mxchat_handle_pdf_for_knowledge_base
7843 - $pages = array();
7844 - for ($i = 1; $i <= $total_pages; $i++) {
7845 - $pages[] = array(
7846 - 'pdf_path' => $pdf_path,
7847 - 'pdf_url' => $pdf_url,
7848 - 'page_number' => $i,
7849 - 'total_pages' => $total_pages
7850 - );
7851 - }
7852 -
7853 - // Add pdf_page items to the SAME queue so the JS picks them up automatically
7854 - if (!empty($queue_id)) {
7855 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
7856 - } else {
7857 - // Fallback: create a new PDF queue (shouldn't happen in sitemap flow)
7858 - $new_queue_id = 'pdf_' . md5($pdf_url . time());
7859 - $queued_count = $this->mxchat_add_to_queue($new_queue_id, 'pdf_page', $pages, $bot_id);
7860 - $this->mxchat_set_queue_meta($new_queue_id, 'source_url', $pdf_url);
7861 - $this->mxchat_set_queue_meta($new_queue_id, 'queue_type', 'pdf');
7862 - $this->mxchat_set_queue_meta($new_queue_id, 'total_items', $total_pages);
7863 - $this->mxchat_set_queue_meta($new_queue_id, 'bot_id', $bot_id);
7864 - $this->mxchat_set_queue_meta($new_queue_id, 'pdf_path', $pdf_path);
7865 - $this->mxchat_set_queue_meta($new_queue_id, 'created_at', current_time('mysql'));
7866 - }
7867 -
7868 - if ($queued_count === 0) {
7869 - wp_delete_file($pdf_path);
7870 - return new WP_Error('queue_error', 'Failed to add PDF pages to queue');
7871 - }
7872 -
7873 - // Return true so the original URL item is marked complete
7874 - // The new pdf_page items will be processed in subsequent batches
7875 - return true;
7876 -
7877 - } catch (Exception $e) {
7878 - if (file_exists($pdf_path)) {
7879 - wp_delete_file($pdf_path);
7880 - }
7881 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
7882 - }
7883 -}
7884 -
7885 -/**
7886 - * Legacy: Process a PDF URL inline during sitemap queue processing.
7887 - * @deprecated Use mxchat_expand_pdf_to_queue instead — kept for reference only.
7888 - */
7889 -private function mxchat_process_pdf_url_inline($pdf_url, $response, $api_key, $bot_id = 'default') {
7890 - set_time_limit(120); // PDFs need more time — downloading + parsing all pages
7891 -
7892 - $upload_dir = wp_upload_dir();
7893 - $pdf_filename = sanitize_file_name('mxchat_kb_' . md5($pdf_url) . '.pdf');
7894 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
7895 -
7896 - $response_body = wp_remote_retrieve_body($response);
7897 - if (empty($response_body)) {
7898 - return new WP_Error('empty_pdf', 'Empty PDF response');
7899 - }
7900 -
7901 - if (!wp_mkdir_p(dirname($pdf_path))) {
7902 - return new WP_Error('dir_error', 'Failed to create upload directory');
7903 - }
7904 -
7905 - file_put_contents($pdf_path, $response_body);
7906 -
7907 - if (!file_exists($pdf_path)) {
7908 - return new WP_Error('save_error', 'Failed to save PDF file');
7909 - }
7910 -
7911 - try {
7912 - mxchat_load_pdf_parser();
7913 - $parser = new \Smalot\PdfParser\Parser();
7914 - $pdf = $parser->parseFile($pdf_path);
7915 - $pages = $pdf->getPages();
7916 - $total_pages = count($pages);
7917 -
7918 - if ($total_pages < 1) {
7919 - wp_delete_file($pdf_path);
7920 - return new WP_Error('no_pages', 'PDF has no pages');
7921 - }
7922 -
7923 - $processed = 0;
7924 - $skipped_pages = array();
7925 -
7926 - for ($i = 0; $i < $total_pages; $i++) {
7927 - $page_num = $i + 1;
7928 - $text = $pages[$i]->getText();
7929 - if (empty($text)) {
7930 - $skipped_pages[] = 'Page ' . $page_num . ': No text could be extracted — page may contain only images, links, or non-standard encoding';
7931 - continue;
7932 - }
7933 -
7934 - $sanitized = $this->mxchat_sanitize_content_for_api($text);
7935 - if (empty($sanitized)) {
7936 - $skipped_pages[] = 'Page ' . $page_num . ': Text was extracted but contained only special characters, control codes, or unsupported content';
7937 - continue;
7938 - }
7939 -
7940 - $metadata = array(
7941 - 'document_type' => 'pdf',
7942 - 'total_pages' => $total_pages,
7943 - 'current_page' => $page_num,
7944 - 'source_url' => $pdf_url,
7945 - );
7946 -
7947 - $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized;
7948 - $page_url = esc_url($pdf_url . '#page=' . $page_num);
7949 -
7950 - MxChat_Utils::submit_content_to_db(
7951 - $content_with_metadata,
7952 - $page_url,
7953 - $api_key,
7954 - null,
7955 - $bot_id,
7956 - 'pdf'
7957 - );
7958 -
7959 - $processed++;
7960 - }
7961 -
7962 - // Clean up the temp PDF file
7963 - wp_delete_file($pdf_path);
7964 -
7965 - if (!empty($skipped_pages)) {
7966 - error_log('MxChat PDF: Skipped ' . count($skipped_pages) . ' of ' . $total_pages . ' pages: ' . implode('; ', $skipped_pages));
7967 - }
7968 -
7969 - return $processed > 0 ? true : false;
7970 -
7971 - } catch (Exception $e) {
7972 - if (file_exists($pdf_path)) {
7973 - wp_delete_file($pdf_path);
7974 - }
7975 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
7976 - }
7977 -}
7978 -
7979 -/**
7980 - * Extract WooCommerce product content including pricing
7981 - *
7982 - * @param string $url The product URL
7983 - * @return string|false Product content with pricing, or false if not found
7984 - */
7985 -private function mxchat_extract_woocommerce_product_content($url) {
7986 - // Try to get product ID from URL
7987 - $product_id = url_to_postid($url);
7988 -
7989 - // If url_to_postid fails, try to extract from URL pattern
7990 - if (!$product_id) {
7991 - $product_slug = '';
7992 -
7993 - // Handle pretty permalinks: /product/product-name/
7994 - if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
7995 - $product_slug = $matches[1];
7996 - }
7997 -
7998 - if (!empty($product_slug)) {
7999 - $product_post = get_page_by_path($product_slug, OBJECT, 'product');
8000 - if ($product_post) {
8001 - $product_id = $product_post->ID;
8002 - }
8003 - }
8004 - }
8005 -
8006 - if (!$product_id) {
8007 - return false;
8008 - }
8009 -
8010 - // Get WooCommerce product object
8011 - $product = wc_get_product($product_id);
8012 -
8013 - if (!$product) {
8014 - return false;
8015 - }
8016 -
8017 - // Build product content with pricing (similar to mxchat_store_product_embedding)
8018 - $title = $product->get_name();
8019 - $description = $product->get_description();
8020 - $short_description = $product->get_short_description();
8021 - $sku = $product->get_sku();
8022 -
8023 - // Get pricing information
8024 - $regular_price = $product->get_regular_price();
8025 - $sale_price = $product->get_sale_price();
8026 - $price = $product->get_price(); // Current active price
8027 -
8028 - // Get currency symbol
8029 - $currency_symbol = get_woocommerce_currency_symbol();
8030 -
8031 - // Format content
8032 - $content = $title . "\n\n";
8033 -
8034 - if (!empty($short_description)) {
8035 - $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
8036 - }
8037 -
8038 - if (!empty($description)) {
8039 - $content .= wp_strip_all_tags($description) . "\n\n";
8040 - }
8041 -
8042 - // Add pricing information
8043 - if (!empty($regular_price)) {
8044 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
8045 - } elseif (!empty($price)) {
8046 - $content .= "Price: " . $currency_symbol . $price . "\n";
8047 - }
8048 -
8049 - if (!empty($sale_price) && $sale_price !== $regular_price) {
8050 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
8051 - }
8052 -
8053 - // Handle variable products - show price range
8054 - if ($product->is_type('variable')) {
8055 - $min_price = $product->get_variation_price('min');
8056 - $max_price = $product->get_variation_price('max');
8057 - if ($min_price !== $max_price) {
8058 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
8059 - }
8060 - }
8061 -
8062 - if (!empty($sku)) {
8063 - $content .= "SKU: " . $sku . "\n";
8064 - }
8065 -
8066 - // Get product categories
8067 - $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
8068 - if (!empty($categories) && !is_wp_error($categories)) {
8069 - $content .= "Categories: " . implode(', ', $categories) . "\n";
8070 - }
8071 -
8072 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
8073 - $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
8074 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
8075 - foreach ($custom_tabs as $tab) {
8076 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
8077 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
8078 -
8079 - if (!empty($tab_title) && !empty($tab_content)) {
8080 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
8081 - }
8082 - }
8083 - }
8084 -
8085 - // Also check for reusable/saved tabs applied to this product
8086 - $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
8087 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
8088 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
8089 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
8090 - foreach ($applied_saved_tabs as $saved_tab_id) {
8091 - if (isset($saved_tabs[$saved_tab_id])) {
8092 - $tab = $saved_tabs[$saved_tab_id];
8093 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
8094 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
8095 -
8096 - if (!empty($tab_title) && !empty($tab_content)) {
8097 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
8098 - }
8099 - }
8100 - }
8101 - }
8102 - }
8103 -
8104 - return $this->mxchat_sanitize_content_for_api($content);
8105 -}
8106 -
8107 -/**
8108 - * Process a PDF page from the queue
8109 - */
8110 -private function mxchat_process_queue_pdf_page($item_data, $bot_id = 'default') {
8111 - $pdf_path = isset($item_data['pdf_path']) ? $item_data['pdf_path'] : '';
8112 - $pdf_url = isset($item_data['pdf_url']) ? $item_data['pdf_url'] : '';
8113 - $page_number = isset($item_data['page_number']) ? absint($item_data['page_number']) : 0;
8114 - $total_pages = isset($item_data['total_pages']) ? absint($item_data['total_pages']) : 0;
8115 -
8116 - if (empty($pdf_path) || !file_exists($pdf_path)) {
8117 - return new WP_Error('pdf_not_found', 'PDF file not found: ' . $pdf_path);
8118 - }
8119 -
8120 - if ($page_number < 1) {
8121 - return new WP_Error('invalid_page', 'Invalid page number');
8122 - }
8123 -
8124 - try {
8125 - mxchat_load_pdf_parser();
8126 - $parser = new \Smalot\PdfParser\Parser();
8127 - $pdf = $parser->parseFile($pdf_path);
8128 - $pages = $pdf->getPages();
8129 -
8130 - if (!isset($pages[$page_number - 1])) {
8131 - return new WP_Error('page_not_found', 'Page ' . $page_number . ' not found in PDF');
8132 - }
8133 -
8134 - $text = $pages[$page_number - 1]->getText();
8135 -
8136 - if (empty($text)) {
8137 - return new WP_Error('empty_page', 'Page ' . $page_number . ': No text could be extracted — page may contain only images, links, or non-standard encoding');
8138 - }
8139 -
8140 - $sanitized = $this->mxchat_sanitize_content_for_api($text);
8141 -
8142 - if (empty($sanitized)) {
8143 - 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');
8144 - }
8145 -
8146 - // Create metadata
8147 - $metadata = array(
8148 - 'document_type' => 'pdf',
8149 - 'total_pages' => $total_pages,
8150 - 'current_page' => $page_number,
8151 - 'source_url' => $pdf_url
8152 - );
8153 -
8154 - $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized;
8155 - $page_url = esc_url($pdf_url . "#page=" . $page_number);
8156 -
8157 - // Get bot-specific API key
8158 - $bot_options = $this->get_bot_options($bot_id);
8159 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
8160 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
8161 -
8162 - if (strpos($selected_model, 'voyage') === 0) {
8163 - $api_key = $options['voyage_api_key'] ?? '';
8164 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
8165 - $api_key = $options['gemini_api_key'] ?? '';
8166 - } else {
8167 - $api_key = $options['api_key'] ?? '';
8168 - }
8169 -
8170 - if (empty($api_key)) {
8171 - return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
8172 - }
8173 -
8174 - // Submit to database - UPDATED 2.5.6: Added content_type 'pdf'
8175 - $result = MxChat_Utils::submit_content_to_db(
8176 - $content_with_metadata,
8177 - $page_url,
8178 - $api_key,
8179 - null,
8180 - $bot_id,
8181 - 'pdf'
8182 - );
8183 -
8184 - return $result;
8185 -
8186 - } catch (Exception $e) {
8187 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
8188 - }
8189 -}
8190 -
8191 -/**
8192 - * AJAX: Get queue processing status
8193 - */
8194 -public function ajax_mxchat_get_queue_status() {
8195 - // Verify nonce and permissions
8196 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8197 -
8198 - if (!current_user_can('manage_options')) {
8199 - wp_send_json_error('Unauthorized access');
8200 - }
8201 -
8202 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8203 -
8204 - if (empty($queue_id)) {
8205 - wp_send_json_error('Missing queue ID');
8206 - }
8207 -
8208 - global $wpdb;
8209 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8210 -
8211 - // Get counts by status
8212 - $counts = $wpdb->get_results($wpdb->prepare(
8213 - "SELECT status, COUNT(*) as count
8214 - FROM $table_name
8215 - WHERE queue_id = %s
8216 - GROUP BY status",
8217 - $queue_id
8218 - ), OBJECT_K);
8219 -
8220 - $total = 0;
8221 - $completed = 0;
8222 - $failed = 0;
8223 - $processing = 0;
8224 - $pending = 0;
8225 -
8226 - foreach ($counts as $status => $data) {
8227 - $count = absint($data->count);
8228 - $total += $count;
8229 -
8230 - switch ($status) {
8231 - case 'completed':
8232 - $completed = $count;
8233 - break;
8234 - case 'failed':
8235 - $failed = $count;
8236 - break;
8237 - case 'processing':
8238 - $processing = $count;
8239 - break;
8240 - case 'pending':
8241 - $pending = $count;
8242 - break;
8243 - }
8244 - }
8245 -
8246 - // Calculate percentage
8247 - $percentage = $total > 0 ? round((($completed + $failed) / $total) * 100) : 0;
8248 -
8249 - // Get failed items details (include all failed items, not just those that exhausted retries)
8250 - $failed_items = array();
8251 - if ($failed > 0) {
8252 - $failed_items = $wpdb->get_results($wpdb->prepare(
8253 - "SELECT item_type, item_data, error_message, attempts
8254 - FROM $table_name
8255 - WHERE queue_id = %s
8256 - AND status = 'failed'
8257 - ORDER BY id DESC
8258 - LIMIT 50",
8259 - $queue_id
8260 - ));
8261 - }
8262 -
8263 - // Get queue metadata
8264 - $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
8265 - $queue_type = $this->mxchat_get_queue_meta($queue_id, 'queue_type');
8266 -
8267 - // Determine if queue is complete
8268 - $is_complete = ($pending === 0 && $processing === 0);
8269 -
8270 - wp_send_json_success(array(
8271 - 'queue_id' => $queue_id,
8272 - 'queue_type' => $queue_type,
8273 - 'source_url' => $source_url,
8274 - 'total' => $total,
8275 - 'completed' => $completed,
8276 - 'failed' => $failed,
8277 - 'processing' => $processing,
8278 - 'pending' => $pending,
8279 - 'percentage' => $percentage,
8280 - 'is_complete' => $is_complete,
8281 - 'failed_items' => $failed_items,
8282 - 'status' => $is_complete ? 'complete' : 'processing'
8283 - ));
8284 -}
8285 -
8286 -/**
8287 - * AJAX: Clear completed queue
8288 - */
8289 -public function ajax_mxchat_clear_queue() {
8290 - // Verify nonce and permissions
8291 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8292 -
8293 - if (!current_user_can('manage_options')) {
8294 - wp_send_json_error('Unauthorized access');
8295 - }
8296 -
8297 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8298 -
8299 - if (empty($queue_id)) {
8300 - wp_send_json_error('Missing queue ID');
8301 - }
8302 -
8303 - global $wpdb;
8304 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8305 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
8306 -
8307 - // Delete queue items
8308 - $wpdb->delete(
8309 - $table_name,
8310 - array('queue_id' => $queue_id),
8311 - array('%s')
8312 - );
8313 -
8314 - // Delete queue metadata
8315 - $wpdb->delete(
8316 - $meta_table,
8317 - array('queue_id' => $queue_id),
8318 - array('%s')
8319 - );
8320 -
8321 - wp_send_json_success(array(
8322 - 'message' => 'Queue cleared successfully'
8323 - ));
8324 -}
8325 -
8326 -/**
8327 - * AJAX: Retry failed items in queue
8328 - */
8329 -public function ajax_mxchat_retry_failed() {
8330 - // Verify nonce and permissions
8331 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8332 -
8333 - if (!current_user_can('manage_options')) {
8334 - wp_send_json_error('Unauthorized access');
8335 - }
8336 -
8337 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8338 -
8339 - if (empty($queue_id)) {
8340 - wp_send_json_error('Missing queue ID');
8341 - }
8342 -
8343 - global $wpdb;
8344 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8345 -
8346 - // Reset failed items to pending and reset attempt count
8347 - $updated = $wpdb->update(
8348 - $table_name,
8349 - array(
8350 - 'status' => 'pending',
8351 - 'attempts' => 0,
8352 - 'error_message' => null
8353 - ),
8354 - array(
8355 - 'queue_id' => $queue_id,
8356 - 'status' => 'failed'
8357 - ),
8358 - array('%s', '%d', '%s'),
8359 - array('%s', '%s')
8360 - );
8361 -
8362 - wp_send_json_success(array(
8363 - 'message' => 'Reset ' . $updated . ' failed items for retry',
8364 - 'reset_count' => $updated
8365 - ));
8366 -}
8367 -
8368 -
8369 -public function ajax_mxchat_mark_queue_complete() {
8370 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8371 -
8372 - if (!current_user_can('manage_options')) {
8373 - wp_send_json_error('Unauthorized access');
8374 - }
8375 -
8376 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8377 -
8378 - if (empty($queue_id)) {
8379 - wp_send_json_error('Missing queue ID');
8380 - }
8381 -
8382 - // Clear active queue transients
8383 - if (strpos($queue_id, 'sitemap_') === 0) {
8384 - delete_transient('mxchat_active_queue_sitemap');
8385 - } else if (strpos($queue_id, 'pdf_') === 0) {
8386 - delete_transient('mxchat_active_queue_pdf');
8387 - }
8388 -
8389 - wp_send_json_success(array('message' => 'Queue marked as complete'));
8390 -}
8391 -
8392 -
8393 - // ========================================
8394 - // STATIC ACCESS METHODS
8395 - // ========================================
8396 -
8397 - /**
8398 - * Get singleton instance
8399 - */
8400 - public static function get_instance() {
8401 - static $instance = null;
8402 - if ($instance === null) {
8403 - $instance = new self();
8404 - }
8405 - return $instance;
8406 - }
8407 -}
8408 -
8409 -// 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 + $this->mxchat_init_role_hooks();
24 +}
25 +
26 +/**
27 + * Initialize WordPress hooks for content processing
28 + *
29 + */
30 +private function mxchat_init_hooks() {
31 + // Admin post handlers for form submissions
32 + add_action('admin_post_mxchat_submit_content', array($this, 'mxchat_handle_content_submission'));
33 + add_action('admin_post_mxchat_submit_sitemap', array($this, 'mxchat_handle_sitemap_submission'));
34 + add_action('admin_post_mxchat_stop_processing', array($this, 'mxchat_stop_processing'));
35 +
36 + // AJAX handlers for real-time processing and status updates
37 + add_action('wp_ajax_mxchat_get_status_updates', array($this, 'mxchat_ajax_get_status_updates'));
38 + add_action('wp_ajax_mxchat_dismiss_completed_status', array($this, 'mxchat_ajax_dismiss_completed_status'));
39 + add_action('wp_ajax_mxchat_get_content_list', array($this, 'ajax_mxchat_get_content_list'));
40 + add_action('wp_ajax_mxchat_process_selected_content', array($this, 'ajax_mxchat_process_selected_content'));
41 + add_action('wp_ajax_mxchat_save_inline_prompt', array($this, 'mxchat_save_inline_prompt'));
42 + add_action('admin_post_mxchat_delete_pinecone_prompt', array($this, 'mxchat_handle_pinecone_prompt_delete'));
43 + add_action('wp_ajax_mxchat_delete_pinecone_prompt', array($this, 'ajax_mxchat_delete_pinecone_prompt'));
44 + add_action('wp_ajax_mxchat_update_role_restriction', array($this, 'ajax_mxchat_update_role_restriction'));
45 +
46 + // Queue-based processing AJAX handlers
47 + add_action('wp_ajax_mxchat_get_next_queue_item', array($this, 'ajax_mxchat_get_next_queue_item'));
48 + add_action('wp_ajax_mxchat_process_queue_item', array($this, 'ajax_mxchat_process_queue_item'));
49 + add_action('wp_ajax_mxchat_get_queue_status', array($this, 'ajax_mxchat_get_queue_status'));
50 + add_action('wp_ajax_mxchat_clear_queue', array($this, 'ajax_mxchat_clear_queue'));
51 + add_action('wp_ajax_mxchat_retry_failed', array($this, 'ajax_mxchat_retry_failed'));
52 +
53 + // Hook for content deletion
54 + add_action('mxchat_delete_content', array($this, 'mxchat_delete_from_pinecone_by_url'), 10, 1);
55 +
56 + // WordPress post management hooks
57 + add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
58 + add_action('post_updated', array($this, 'mxchat_handle_post_update'), 10, 3);
59 + add_action('before_delete_post', array($this, 'mxchat_handle_post_delete'));
60 + add_action('wp_trash_post', array($this, 'mxchat_handle_post_delete'));
61 +
62 + add_action('wp_ajax_mxchat_mark_queue_complete', array($this, 'ajax_mxchat_mark_queue_complete'));
63 +
64 + // WooCommerce product hooks (if WooCommerce is active)
65 + if (class_exists('WooCommerce')) {
66 + add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
67 + add_action('save_post_product', array($this, 'mxchat_handle_product_change'), 10, 3);
68 + add_action('wp_trash_post', array($this, 'mxchat_handle_product_delete'));
69 + add_action('before_delete_post', array($this, 'mxchat_handle_product_delete'));
70 + }
71 +}
72 +
73 + /**
74 + * Get current options (refreshed)
75 + */
76 + private function mxchat_get_options() {
77 + if (empty($this->options)) {
78 + $this->options = get_option('mxchat_options', array());
79 + }
80 + return $this->options;
81 + }
82 +
83 +
84 + // ========================================
85 + // MAIN CONTENT SUBMISSION HANDLERS
86 + // ========================================
87 +
88 +public function mxchat_handle_content_submission() {
89 + // Check if the form was submitted and the user has permission.
90 + if (!isset($_POST['submit_content']) || !current_user_can('manage_options')) {
91 + return;
92 + }
93 +
94 + // Verify the nonce.
95 + $nonce = isset($_POST['mxchat_submit_content_nonce']) ? sanitize_text_field(wp_unslash($_POST['mxchat_submit_content_nonce'])) : '';
96 + if (!wp_verify_nonce($nonce, 'mxchat_submit_content_action')) {
97 + wp_die(esc_html__('Nonce verification failed.', 'mxchat'));
98 + }
99 +
100 + // Sanitize the inputs.
101 + // Use wp_kses_post to allow safe HTML and wp_unslash to remove WordPress added slashes
102 + $article_content = wp_kses_post(wp_unslash($_POST['article_content']));
103 + $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
104 +
105 + // Get bot_id from form submission
106 + $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
107 +
108 + // Get bot-specific options and API key
109 + $bot_options = $this->get_bot_options($bot_id);
110 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
111 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
112 +
113 + if (strpos($selected_model, 'voyage') === 0) {
114 + $api_key = $options['voyage_api_key'] ?? '';
115 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
116 + $api_key = $options['gemini_api_key'] ?? '';
117 + } else {
118 + $api_key = $options['api_key'] ?? '';
119 + }
120 +
121 + if (empty($api_key)) {
122 + set_transient('mxchat_admin_notice_error',
123 + esc_html__('API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
124 + 30
125 + );
126 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
127 + exit;
128 + }
129 +
130 + // Use centralized utility function with bot_id
131 + $result = MxChat_Utils::submit_content_to_db($article_content, $article_url, $api_key, null, $bot_id);
132 +
133 + if (is_wp_error($result)) {
134 + set_transient('mxchat_admin_notice_error',
135 + esc_html__('Error storing content: ', 'mxchat') . $result->get_error_message(),
136 + 30
137 + );
138 + } else {
139 + set_transient('mxchat_admin_notice_success',
140 + esc_html__('Content successfully submitted!', 'mxchat'),
141 + 30
142 + );
143 + }
144 +
145 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
146 + exit;
147 +}
148 +
149 +public function mxchat_is_pdf_url($url, $response) {
150 + $content_type = wp_remote_retrieve_header($response, 'content-type');
151 + $file_extension = strtolower(pathinfo($url, PATHINFO_EXTENSION));
152 +
153 + return strpos($content_type, 'pdf') !== false || $file_extension === 'pdf';
154 +}
155 +
156 +
157 +public function mxchat_handle_pdf_for_knowledge_base($pdf_url, $response, $bot_id = 'default') {
158 + if (!current_user_can('manage_options')) {
159 + return false;
160 + }
161 +
162 + $pdf_url = esc_url_raw($pdf_url);
163 + $upload_dir = wp_upload_dir();
164 +
165 + if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
166 + return false;
167 + }
168 +
169 + $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
170 + $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
171 +
172 + $response_body = wp_remote_retrieve_body($response);
173 + if (empty($response_body)) {
174 + return false;
175 + }
176 +
177 + if (!wp_mkdir_p(dirname($pdf_path))) {
178 + return false;
179 + }
180 +
181 + try {
182 + file_put_contents($pdf_path, $response_body);
183 +
184 + if (!file_exists($pdf_path)) {
185 + throw new Exception(__('Failed to save PDF file', 'mxchat'));
186 + }
187 +
188 + $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
189 +
190 + if ($total_pages === false || $total_pages < 1) {
191 + throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
192 + }
193 +
194 + // Create unique queue ID
195 + $queue_id = 'pdf_' . md5($pdf_url . time());
196 +
197 + // Create array of pages to process
198 + $pages = array();
199 + for ($i = 1; $i <= $total_pages; $i++) {
200 + $pages[] = array(
201 + 'pdf_path' => $pdf_path,
202 + 'pdf_url' => $pdf_url,
203 + 'page_number' => $i,
204 + 'total_pages' => $total_pages
205 + );
206 + }
207 +
208 + // Add pages to queue
209 + $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
210 +
211 + if ($queued_count === 0) {
212 + wp_delete_file($pdf_path);
213 + throw new Exception(__('Failed to add PDF pages to processing queue', 'mxchat'));
214 + }
215 +
216 + // Store queue metadata
217 + $this->mxchat_set_queue_meta($queue_id, 'source_url', $pdf_url);
218 + $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'pdf');
219 + $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_pages);
220 + $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
221 + $this->mxchat_set_queue_meta($queue_id, 'pdf_path', $pdf_path);
222 + $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
223 +
224 + // Store queue ID in transient for status tracking
225 + set_transient('mxchat_active_queue_pdf', $queue_id, DAY_IN_SECONDS);
226 + set_transient('mxchat_last_pdf_url', $pdf_url, DAY_IN_SECONDS);
227 +
228 + return 'queued';
229 +
230 + } catch (Exception $e) {
231 + if (file_exists($pdf_path)) {
232 + wp_delete_file($pdf_path);
233 + }
234 + return $e->getMessage();
235 + }
236 +}
237 +
238 +/**
239 + * Validate PDF and count pages with multiple parser attempts
240 + */
241 +private function mxchat_validate_and_count_pdf_pages($pdf_path) {
242 + // Method 1: Try with Smalot PDF Parser (your current method)
243 + try {
244 + $parser = new \Smalot\PdfParser\Parser();
245 + $pdf = $parser->parseFile($pdf_path);
246 + $pages = $pdf->getPages();
247 + $page_count = count($pages);
248 +
249 + if ($page_count > 0) {
250 + //error_log('PDF parsed successfully with Smalot parser: ' . $page_count . ' pages');
251 + return $page_count;
252 + }
253 + } catch (Exception $e) {
254 + //error_log('Smalot PDF parser failed: ' . $e->getMessage());
255 + }
256 +
257 + // Method 2: Try with pdfinfo command (if available)
258 + if (function_exists('shell_exec') && !$this->mxchat_is_shell_disabled()) {
259 + try {
260 + $command = 'pdfinfo ' . escapeshellarg($pdf_path) . ' 2>&1';
261 + $output = shell_exec($command);
262 +
263 + if ($output && preg_match('/Pages:\s*(\d+)/', $output, $matches)) {
264 + $page_count = intval($matches[1]);
265 + if ($page_count > 0) {
266 + //error_log('PDF parsed successfully with pdfinfo: ' . $page_count . ' pages');
267 + return $page_count;
268 + }
269 + }
270 + } catch (Exception $e) {
271 + //error_log('pdfinfo command failed: ' . $e->getMessage());
272 + }
273 + }
274 +
275 + // Method 3: Try to repair PDF and parse again
276 + try {
277 + $repaired_path = $this->mxchat_attempt_pdf_repair($pdf_path);
278 + if ($repaired_path && $repaired_path !== $pdf_path) {
279 + $parser = new \Smalot\PdfParser\Parser();
280 + $pdf = $parser->parseFile($repaired_path);
281 + $pages = $pdf->getPages();
282 + $page_count = count($pages);
283 +
284 + if ($page_count > 0) {
285 + // Replace original with repaired version
286 + copy($repaired_path, $pdf_path);
287 + unlink($repaired_path);
288 + //error_log('PDF repaired and parsed successfully: ' . $page_count . ' pages');
289 + return $page_count;
290 + }
291 +
292 + // Clean up repaired file if it didn't work
293 + unlink($repaired_path);
294 + }
295 + } catch (Exception $e) {
296 + //error_log('PDF repair attempt failed: ' . $e->getMessage());
297 + }
298 +
299 + // Method 4: Manual PDF structure analysis (basic page count)
300 + try {
301 + $page_count = $this->mxchat_manual_pdf_page_count($pdf_path);
302 + if ($page_count > 0) {
303 + //error_log('PDF page count determined manually: ' . $page_count . ' pages');
304 + return $page_count;
305 + }
306 + } catch (Exception $e) {
307 + //error_log('Manual PDF analysis failed: ' . $e->getMessage());
308 + }
309 +
310 + //error_log('All PDF parsing methods failed for: ' . $pdf_path);
311 + return false;
312 +}
313 +
314 +/**
315 + * Check if shell_exec is disabled
316 + */
317 +private function mxchat_is_shell_disabled() {
318 + $disabled = explode(',', ini_get('disable_functions'));
319 + return in_array('shell_exec', $disabled);
320 +}
321 +
322 +/**
323 + * Attempt to repair PDF using basic methods
324 + */
325 +private function mxchat_attempt_pdf_repair($pdf_path) {
326 + try {
327 + $content = file_get_contents($pdf_path);
328 + if (!$content) {
329 + return false;
330 + }
331 +
332 + // Check if PDF starts with proper header
333 + if (substr($content, 0, 4) !== '%PDF') {
334 + // Try to find PDF header in the content
335 + $header_pos = strpos($content, '%PDF');
336 + if ($header_pos !== false && $header_pos < 1024) {
337 + // Remove junk before PDF header
338 + $content = substr($content, $header_pos);
339 + $repaired_path = $pdf_path . '.repaired';
340 + file_put_contents($repaired_path, $content);
341 + return $repaired_path;
342 + }
343 + }
344 +
345 + // Check for EOF marker
346 + $content = rtrim($content);
347 + if (!preg_match('/%%EOF\s*$/', $content)) {
348 + // Add EOF marker if missing
349 + $content .= "\n%%EOF";
350 + $repaired_path = $pdf_path . '.repaired';
351 + file_put_contents($repaired_path, $content);
352 + return $repaired_path;
353 + }
354 +
355 + } catch (Exception $e) {
356 + //error_log('PDF repair error: ' . $e->getMessage());
357 + }
358 +
359 + return false;
360 +}
361 +
362 +/**
363 + * Manual PDF page counting by analyzing PDF structure
364 + */
365 +private function mxchat_manual_pdf_page_count($pdf_path) {
366 + try {
367 + $content = file_get_contents($pdf_path);
368 + if (!$content) {
369 + return 0;
370 + }
371 +
372 + // Method 1: Count /Type /Page objects
373 + $page_count = preg_match_all('/\/Type\s*\/Page[^s]/', $content);
374 + if ($page_count > 0) {
375 + return $page_count;
376 + }
377 +
378 + // Method 2: Look for /Count in pages object
379 + if (preg_match('/\/Type\s*\/Pages.*?\/Count\s+(\d+)/', $content, $matches)) {
380 + return intval($matches[1]);
381 + }
382 +
383 + // Method 3: Count page references
384 + $page_count = preg_match_all('/\d+\s+0\s+obj\s*<<[^>]*\/Type\s*\/Page/', $content);
385 + if ($page_count > 0) {
386 + return $page_count;
387 + }
388 +
389 + } catch (Exception $e) {
390 + //error_log('Manual PDF analysis error: ' . $e->getMessage());
391 + }
392 +
393 + return 0;
394 +}
395 +
396 +
397 +public function mxchat_save_inline_prompt() {
398 + // DEBUG: Log what we're receiving
399 + //error_log('=== MXCHAT DEBUG ===');
400 + //error_log('POST data: ' . print_r($_POST, true));
401 + //error_log('Nonce from POST: ' . ($_POST['_ajax_nonce'] ?? 'NOT FOUND'));
402 +
403 + // Check for nonce security
404 + check_ajax_referer('mxchat_save_inline_nonce', '_ajax_nonce');
405 +
406 + // If we get here, nonce passed
407 + //error_log('Nonce verification PASSED');
408 +
409 + // Verify permissions
410 + if (!current_user_can('manage_options')) {
411 + wp_send_json_error(esc_html__('Permission denied.', 'mxchat'));
412 + return;
413 + }
414 +
415 + global $wpdb;
416 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
417 +
418 + // Validate and sanitize input data
419 + $prompt_id = isset($_POST['id']) ? absint($_POST['id']) : 0;
420 + $article_content = isset($_POST['article_content']) ? wp_kses_post(wp_unslash($_POST['article_content'])) : '';
421 + $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
422 +
423 + if ($prompt_id > 0 && !empty($article_content)) {
424 + // Re-generate the embedding vector for the updated content
425 + $embedding_vector = $this->mxchat_generate_embedding($article_content);
426 + if (is_array($embedding_vector)) {
427 + // Serialize the embedding vector before storing it
428 + $embedding_vector_serialized = serialize($embedding_vector);
429 + // Update the prompt in the database
430 + $updated = $wpdb->update(
431 + $table_name,
432 + array(
433 + 'article_content' => $article_content,
434 + 'embedding_vector' => $embedding_vector_serialized,
435 + 'source_url' => $article_url,
436 + ),
437 + array('id' => $prompt_id),
438 + array('%s', '%s', '%s'),
439 + array('%d')
440 + );
441 + if ($updated !== false) {
442 + wp_send_json_success();
443 + } else {
444 + wp_send_json_error(esc_html__('Database update failed.', 'mxchat'));
445 + }
446 + } else {
447 + wp_send_json_error(esc_html__('Embedding generation failed.', 'mxchat'));
448 + }
449 + } else {
450 + wp_send_json_error(esc_html__('Invalid data.', 'mxchat'));
451 + }
452 +}
453 +
454 +
455 +public function mxchat_get_pdf_processing_status($pdf_url) {
456 + $pdf_url = esc_url_raw($pdf_url);
457 + $status = get_transient(sanitize_key('mxchat_pdf_status_' . md5($pdf_url)));
458 +
459 + if (!$status || !is_array($status)) {
460 + return false;
461 + }
462 +
463 + // Check for stalled processing (no updates for 5 minutes)
464 + if ($status['status'] === 'processing' && (time() - absint($status['last_update'])) > 300) {
465 + $status['status'] = 'error';
466 + $status['error'] = __('PDF processing appears to be stalled. No updates for over 5 minutes.', 'mxchat');
467 +
468 + // Save the updated status
469 + set_transient(
470 + sanitize_key('mxchat_pdf_status_' . md5($pdf_url)),
471 + array_map('sanitize_text_field', $status),
472 + DAY_IN_SECONDS
473 + );
474 + }
475 +
476 + $result = array(
477 + 'total_pages' => absint($status['total_pages']),
478 + 'processed_pages' => absint($status['processed_pages']),
479 + 'failed_pages' => absint($status['failed_pages'] ?? 0),
480 + 'percentage' => ($status['total_pages'] > 0)
481 + ? round((absint($status['processed_pages']) / absint($status['total_pages'])) * 100)
482 + : 0,
483 + 'status' => sanitize_text_field($status['status']),
484 + 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
485 + 'failed_pages_list' => isset($status['failed_pages_list']) ? $status['failed_pages_list'] : array(),
486 + 'completion_summary' => isset($status['completion_summary']) ? $status['completion_summary'] : null
487 + );
488 +
489 + // Add error message if present
490 + if (isset($status['error']) && !empty($status['error'])) {
491 + $result['error'] = sanitize_text_field($status['error']);
492 + }
493 +
494 + return $result;
495 +}
496 +
497 +
498 +public function mxchat_handle_sitemap_submission() {
499 + // Check if the form was submitted and verify permissions
500 + if (!isset($_POST['submit_sitemap']) || !current_user_can('manage_options')) {
501 + wp_die(esc_html__('Unauthorized access', 'mxchat'));
502 + }
503 +
504 + // Verify nonce
505 + check_admin_referer('mxchat_submit_sitemap_action', 'mxchat_submit_sitemap_nonce');
506 +
507 + // Validate URL
508 + if (!isset($_POST['sitemap_url']) || empty($_POST['sitemap_url'])) {
509 + set_transient('mxchat_admin_notice_error',
510 + esc_html__('Please provide a valid URL.', 'mxchat'),
511 + 30
512 + );
513 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
514 + exit;
515 + }
516 +
517 + $submitted_url = esc_url_raw($_POST['sitemap_url']);
518 +
519 + // Get bot_id from form submission
520 + $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
521 +
522 + // Get bot-specific options and validate API key
523 + $bot_options = $this->get_bot_options($bot_id);
524 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
525 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
526 +
527 + if (strpos($selected_model, 'voyage') === 0) {
528 + $api_key = $options['voyage_api_key'] ?? '';
529 + $provider_name = 'Voyage AI';
530 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
531 + $api_key = $options['gemini_api_key'] ?? '';
532 + $provider_name = 'Google Gemini';
533 + } else {
534 + $api_key = $options['api_key'] ?? '';
535 + $provider_name = 'OpenAI';
536 + }
537 +
538 + if (empty($api_key)) {
539 + $error_message = sprintf(
540 + esc_html__('%s API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
541 + $provider_name
542 + );
543 + set_transient('mxchat_admin_notice_error', $error_message, 30);
544 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
545 + exit;
546 + }
547 +
548 + // Fetch URL
549 + $response = wp_remote_get($submitted_url, array('timeout' => 30));
550 +
551 + if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
552 + $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP Status: ' . wp_remote_retrieve_response_code($response);
553 + set_transient('mxchat_admin_notice_error',
554 + sprintf(
555 + esc_html__('Failed to fetch the URL: %s', 'mxchat'),
556 + esc_html($error_message)
557 + ),
558 + 30
559 + );
560 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
561 + exit;
562 + }
563 +
564 + $content_type = wp_remote_retrieve_header($response, 'content-type');
565 + $body_content = wp_remote_retrieve_body($response);
566 +
567 + if (empty($body_content)) {
568 + set_transient('mxchat_admin_notice_error',
569 + esc_html__('Empty response received from URL.', 'mxchat'),
570 + 30
571 + );
572 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
573 + exit;
574 + }
575 +
576 + // Handle PDF URL
577 + if ($this->mxchat_is_pdf_url($submitted_url, $response)) {
578 + $result = $this->mxchat_handle_pdf_for_knowledge_base($submitted_url, $response, $bot_id);
579 +
580 + if ($result === 'queued') {
581 + set_transient('mxchat_admin_notice_success',
582 + esc_html__('PDF queued for processing. Processing will start automatically.', 'mxchat'),
583 + 30
584 + );
585 + } else {
586 + set_transient('mxchat_admin_notice_error',
587 + esc_html__('Failed to queue PDF processing: ', 'mxchat') . esc_html($result),
588 + 30
589 + );
590 + }
591 +
592 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
593 + exit;
594 + }
595 +
596 + // Handle Sitemap XML
597 + if (strpos($content_type, 'xml') !== false || strpos($body_content, '<urlset') !== false) {
598 + libxml_use_internal_errors(true);
599 + $xml = simplexml_load_string($body_content);
600 + $xml_errors = libxml_get_errors();
601 + libxml_clear_errors();
602 +
603 + if ($xml === false || !empty($xml_errors)) {
604 + set_transient('mxchat_admin_notice_error',
605 + esc_html__('Invalid sitemap XML. Please provide a valid sitemap.', 'mxchat'),
606 + 30
607 + );
608 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
609 + exit;
610 + }
611 +
612 + $result = $this->mxchat_handle_sitemap_for_knowledge_base($xml, $submitted_url, $bot_id);
613 +
614 + if ($result === 'queued') {
615 + set_transient('mxchat_admin_notice_success',
616 + esc_html__('Sitemap queued for processing. Processing will start automatically.', 'mxchat'),
617 + 30
618 + );
619 + } else {
620 + set_transient('mxchat_admin_notice_error',
621 + esc_html__('Failed to queue sitemap processing. Please check the status below for details.', 'mxchat'),
622 + 30
623 + );
624 + }
625 +
626 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
627 + exit;
628 + }
629 +
630 + // Handle Regular URL (single page)
631 + $page_content = $this->mxchat_extract_main_content($body_content);
632 + $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
633 +
634 + if (empty($sanitized_content)) {
635 + set_transient('mxchat_admin_notice_error',
636 + esc_html__('No valid content found on the provided URL.', 'mxchat'),
637 + 30
638 + );
639 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
640 + exit;
641 + }
642 +
643 + // For single URLs, process immediately (not queued)
644 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content, $bot_id);
645 +
646 + if (is_string($embedding_vector)) {
647 + $error_message = esc_html__('Failed to generate embedding: ', 'mxchat') . esc_html($embedding_vector);
648 + set_transient('mxchat_admin_notice_error', $error_message, 30);
649 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
650 + exit;
651 + }
652 +
653 + if (is_array($embedding_vector)) {
654 + $db_result = MxChat_Utils::submit_content_to_db(
655 + $sanitized_content,
656 + $submitted_url,
657 + $api_key,
658 + null,
659 + $bot_id
660 + );
661 +
662 + if (is_wp_error($db_result)) {
663 + $error_message = esc_html__('Failed to store content in database: ', 'mxchat') . esc_html($db_result->get_error_message());
664 + set_transient('mxchat_admin_notice_error', $error_message, 30);
665 + } else {
666 + $success_message = esc_html__('URL content successfully submitted!', 'mxchat');
667 + set_transient('mxchat_admin_notice_success', $success_message, 30);
668 + }
669 + } else {
670 + $error_message = esc_html__('Failed to generate embedding: Unexpected result type. Please check your API key and try again.', 'mxchat');
671 + set_transient('mxchat_admin_notice_error', $error_message, 30);
672 + }
673 +
674 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
675 + exit;
676 +}
677 +
678 +
679 +public function mxchat_get_single_url_status() {
680 + $status = get_transient('mxchat_single_url_status');
681 + if (!$status) {
682 + return null;
683 + }
684 +
685 + // Add human-readable time
686 + if (isset($status['timestamp'])) {
687 + $status['human_time'] = human_time_diff(strtotime($status['timestamp']), current_time('timestamp')) . ' ' . __('ago', 'mxchat');
688 + }
689 +
690 + return $status;
691 +}
692 +
693 +public function mxchat_handle_sitemap_for_knowledge_base($xml, $sitemap_url, $bot_id = 'default') {
694 + if (!current_user_can('manage_options')) {
695 + return false;
696 + }
697 +
698 + try {
699 + $sitemap_url = esc_url_raw($sitemap_url);
700 +
701 + if (!$xml || !is_object($xml)) {
702 + throw new Exception(__('Invalid XML object provided', 'mxchat'));
703 + }
704 +
705 + // Get bot-specific embedding API for validation
706 + $bot_options = $this->get_bot_options($bot_id);
707 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
708 +
709 + // Test the embedding API before processing
710 + $test_phrase = "Test embedding generation for MxChat";
711 + $test_result = $this->mxchat_generate_embedding($test_phrase, $bot_id);
712 +
713 + if (is_string($test_result)) {
714 + throw new Exception(__('Embedding API validation failed: ', 'mxchat') . $test_result);
715 + }
716 +
717 + if (!is_array($test_result)) {
718 + throw new Exception(__('Embedding API returned unexpected result type. Please check your configuration.', 'mxchat'));
719 + }
720 +
721 + // Extract URLs from sitemap
722 + $urls = array();
723 + foreach ($xml->url as $url_element) {
724 + $url = esc_url_raw((string)$url_element->loc);
725 + if ($url) {
726 + $urls[] = array('url' => $url);
727 + }
728 + }
729 +
730 + $total_urls = count($urls);
731 +
732 + if ($total_urls < 1) {
733 + throw new Exception(__('No valid URLs found in sitemap', 'mxchat'));
734 + }
735 +
736 + // Create unique queue ID
737 + $queue_id = 'sitemap_' . md5($sitemap_url . time());
738 +
739 + // Add URLs to queue
740 + $queued_count = $this->mxchat_add_to_queue($queue_id, 'url', $urls, $bot_id);
741 +
742 + if ($queued_count === 0) {
743 + throw new Exception(__('Failed to add URLs to processing queue', 'mxchat'));
744 + }
745 +
746 + // Store queue metadata
747 + $this->mxchat_set_queue_meta($queue_id, 'source_url', $sitemap_url);
748 + $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'sitemap');
749 + $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_urls);
750 + $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
751 + $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
752 +
753 + // Store queue ID in transient for status tracking
754 + set_transient('mxchat_active_queue_sitemap', $queue_id, DAY_IN_SECONDS);
755 + set_transient('mxchat_last_sitemap_url', $sitemap_url, DAY_IN_SECONDS);
756 +
757 + return 'queued';
758 +
759 + } catch (Exception $e) {
760 + $error_message = $e->getMessage();
761 + error_log(sprintf(esc_html__('Error preparing sitemap for processing: %s', 'mxchat'), esc_html($error_message)));
762 +
763 + return $error_message;
764 + }
765 +
766 +}
767 +
768 +public function mxchat_sanitize_content_for_api($content) {
769 + //error_log('[MXCHAT-SANITIZE] Original content preview: ' . substr($content, 0, 500) . '...');
770 +
771 + // Strip WordPress shortcodes FIRST (WPBakery, Elementor, Woodmart, etc.)
772 + // This must be done before stripping HTML tags, otherwise the brackets are removed
773 + $content = strip_shortcodes($content);
774 +
775 + // Additional regex-based shortcode removal as a safety net
776 + // This catches any remaining shortcodes that strip_shortcodes() might have missed
777 + $content = preg_replace('/\[(\[?)([a-zA-Z0-9_-]+)(?![\w-])([^\]\/]*(?:\/(?!\])[^\]\/]*)*?)(?:(\/)\]|\](?:([^\[]*(?:\[(?!\/\2\])[^\[]*)*)\[\/\2\])?)(\]?)/s', '', $content);
778 +
779 + // Remove script, style tags, and HTML comments
780 + $content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $content);
781 + $content = preg_replace('/<style\b[^>]*>(.*?)<\/style>/is', '', $content);
782 + $content = preg_replace('/<!--(.|\s)*?-->/', '', $content);
783 +
784 + // Remove all HTML tags and decode HTML entities
785 + $content = wp_strip_all_tags($content);
786 + $content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5);
787 +
788 + // Normalize whitespace but preserve paragraph breaks
789 + // First, normalize line endings to \n
790 + $content = str_replace(["\r\n", "\r"], "\n", $content);
791 + // Replace multiple spaces/tabs with single space, but preserve newlines
792 + $content = preg_replace('/[ \t]+/', ' ', $content);
793 + // Replace 3+ newlines with 2 newlines (max 2 blank lines)
794 + $content = preg_replace('/\n{3,}/', "\n\n", $content);
795 + // Trim each line
796 + $lines = explode("\n", $content);
797 + $lines = array_map('trim', $lines);
798 + $content = implode("\n", $lines);
799 + // Final trim
800 + $content = trim($content);
801 +
802 + // Remove control characters (which can cause database issues) but preserve \n (0x0A) and \r (0x0D)
803 + $content = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/u', '', $content);
804 +
805 + // Remove NULL bytes which can cause database errors
806 + $content = str_replace("\0", "", $content);
807 +
808 + // Ensure valid UTF-8 encoding
809 + $content = wp_check_invalid_utf8($content);
810 +
811 + // Remove any extremely long strings without spaces (often garbage)
812 + $content = preg_replace('/\S{300,}/', ' ', $content);
813 +
814 + // Replace problematic characters that often cause database issues
815 + $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); // Remove emoji and other high Unicode characters
816 +
817 + // Replace any remaining potentially problematic characters with spaces
818 + // BUT preserve newlines by temporarily replacing them
819 + $content = str_replace("\n", "NEWLINE_PLACEHOLDER", $content);
820 + $content = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\p{Sm}]/u', ' ', $content);
821 + $content = str_replace("NEWLINE_PLACEHOLDER", "\n", $content);
822 +
823 + // Limit to reasonable length if needed
824 + $max_length = 65000; // Just under MySQL TEXT field limit
825 + if (strlen($content) > $max_length) {
826 + $content = substr($content, 0, $max_length);
827 + }
828 +
829 + //error_log('[MXCHAT-SANITIZE] Sanitized content preview: ' . substr($content, 0, 500) . '...');
830 + return $content;
831 +}
832 +public function mxchat_extract_main_content($html) {
833 + if (empty($html)) {
834 + return '';
835 + }
836 + try {
837 + $dom = new DOMDocument;
838 + libxml_use_internal_errors(true); // Suppress HTML parsing errors
839 + @$dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
840 + $xpath = new DOMXPath($dom);
841 +
842 + // For debugging purposes
843 + $debugEnabled = false; // Set to true to enable debugging output
844 + $debug = function($message) use ($debugEnabled) {
845 + if ($debugEnabled) {
846 + //error_log('[MXCHAT-DEBUG] ' . $message);
847 + }
848 + };
849 +
850 + // Direct targeting for Gerow theme posts
851 + $post_text = $xpath->query('//div[contains(@class, "post-text")]');
852 + if ($post_text && $post_text->length > 0) {
853 + $debug("Found post-text directly");
854 + $content = '';
855 + foreach ($post_text as $node) {
856 + $content .= $dom->saveHTML($node);
857 + }
858 + if (!empty($content)) {
859 + $debug("Returning post-text content");
860 + return $content;
861 + }
862 + }
863 +
864 + // Try to get the blog details content which contains the post-text
865 + $blog_details = $xpath->query('//div[contains(@class, "blog-details-content")]');
866 + if ($blog_details && $blog_details->length > 0) {
867 + $debug("Found blog-details-content");
868 + $content = '';
869 + foreach ($blog_details as $node) {
870 + $content .= $dom->saveHTML($node);
871 + }
872 + if (!empty($content)) {
873 + $debug("Returning blog-details-content");
874 + return $content;
875 + }
876 + }
877 +
878 + // Try to get the article which contains the blog details
879 + $article = $xpath->query('//article[contains(@class, "blog-details-wrap")]');
880 + if ($article && $article->length > 0) {
881 + $debug("Found article with blog-details-wrap");
882 + $content = '';
883 + foreach ($article as $node) {
884 + $content .= $dom->saveHTML($node);
885 + }
886 + if (!empty($content)) {
887 + $debug("Returning article content");
888 + return $content;
889 + }
890 + }
891 +
892 + // Try even broader with the blog-item-wrap
893 + $blog_item = $xpath->query('//div[contains(@class, "blog-item-wrap")]');
894 + if ($blog_item && $blog_item->length > 0) {
895 + $debug("Found blog-item-wrap");
896 + $content = '';
897 + foreach ($blog_item as $node) {
898 + $content .= $dom->saveHTML($node);
899 + }
900 + if (!empty($content)) {
901 + $debug("Returning blog-item-wrap content");
902 + return $content;
903 + }
904 + }
905 +
906 + // Specific Gerow theme path
907 + $gerow_path = $xpath->query('//section[contains(@class, "blog-area")]//div[contains(@class, "post-text")]');
908 + if ($gerow_path && $gerow_path->length > 0) {
909 + $debug("Found Gerow theme path to post-text");
910 + $content = '';
911 + foreach ($gerow_path as $node) {
912 + $content .= $dom->saveHTML($node);
913 + }
914 + if (!empty($content)) {
915 + $debug("Returning Gerow post-text content");
916 + return $content;
917 + }
918 + }
919 +
920 + // Generic blog post selectors
921 + $selectors = [
922 + // Blog post specific selectors
923 + '//div[contains(@class, "post-text")]',
924 + '//article[contains(@class, "blog-post-item")]//div[contains(@class, "post-text")]',
925 + '//div[contains(@class, "blog-details-content")]',
926 + '//article[contains(@class, "blog-details-wrap")]',
927 + '//div[contains(@class, "entry-content")]',
928 + '//div[contains(@class, "blog-content")]',
929 + '//div[contains(@class, "blog-item-wrap")]',
930 +
931 + // More general content selectors
932 + '//div[contains(@class, "page__content")]',
933 + '//div[contains(@class, "elementor-widget-container")]',
934 + '//div[contains(@class, "elementor-text-editor")]',
935 + '//div[contains(@class, "elementor-widget-text-editor")]',
936 + '//*[contains(@class, "entry-content")]',
937 + '//*[contains(@class, "post-content")]',
938 + '//*[contains(@class, "article-content")]',
939 + '//*[@id="content"]',
940 + '//*[@id="main-content"]',
941 + '//section[contains(@class, "blog-area")]',
942 + '//article',
943 + '//main',
944 + '//div[contains(@class, "content")]'
945 + ];
946 +
947 + // First handle Elementor content
948 + $debug("Checking for Elementor content");
949 + $elementor_widgets = $xpath->query('//div[contains(@class, "elementor-element")]//div[contains(@class, "elementor-widget-container")]');
950 + if ($elementor_widgets && $elementor_widgets->length > 0) {
951 + $debug("Found Elementor widgets");
952 + $combined_content = '';
953 + foreach ($elementor_widgets as $widget) {
954 + $widget_content = $dom->saveHTML($widget);
955 + if (!empty($widget_content)) {
956 + $combined_content .= $widget_content;
957 + }
958 + }
959 + if (!empty($combined_content)) {
960 + $debug("Returning Elementor content");
961 + return $combined_content;
962 + }
963 + }
964 +
965 + // Try standard selectors one by one
966 + foreach ($selectors as $selector) {
967 + $debug("Trying selector: " . $selector);
968 + $nodes = $xpath->query($selector);
969 + if ($nodes && $nodes->length > 0) {
970 + $debug("Found matches for selector: " . $selector);
971 + $content = '';
972 + foreach ($nodes as $node) {
973 + $content .= $dom->saveHTML($node);
974 + }
975 + if (!empty($content)) {
976 + $debug("Returning content from selector: " . $selector);
977 + return $content;
978 + }
979 + }
980 + }
981 +
982 + // Manual regex fallback for post-text if DOM methods fail
983 + $debug("Trying regex fallback");
984 + if (preg_match('/<div class="post-text">(.*?)<\/div>\s*<\/div>\s*<\/div>/s', $html, $matches)) {
985 + $debug("Found post-text via regex");
986 + return '<div class="post-text">' . $matches[1] . '</div>';
987 + }
988 +
989 + // Try to extract the blog section as a whole
990 + $blog_section = $xpath->query('//section[contains(@class, "blog-area")]');
991 + if ($blog_section && $blog_section->length > 0) {
992 + $debug("Found blog-area section");
993 + $content = '';
994 + foreach ($blog_section as $node) {
995 + $content .= $dom->saveHTML($node);
996 + }
997 + if (!empty($content)) {
998 + $debug("Returning blog-area section content");
999 + return $content;
1000 + }
1001 + }
1002 +
1003 + // Fallback: Return the body content if no specific selector matches
1004 + $debug("Using body fallback");
1005 + $body = $dom->getElementsByTagName('body');
1006 + if ($body->length > 0) {
1007 + return $dom->saveHTML($body->item(0));
1008 + }
1009 +
1010 + // Last resort: return the original HTML
1011 + $debug("Returning original HTML");
1012 + return $html;
1013 + } catch (Exception $e) {
1014 + //error_log('[MXCHAT-ERROR] Content extraction failed: ' . $e->getMessage());
1015 + return $html; // Return original HTML if parsing fails
1016 + } finally {
1017 + libxml_clear_errors();
1018 + }
1019 +}
1020 +public function mxchat_get_sitemap_processing_status($sitemap_url) {
1021 + $sitemap_url = esc_url_raw($sitemap_url);
1022 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
1023 + $status = get_transient($status_key);
1024 +
1025 + if (!$status || !is_array($status)) {
1026 + return false;
1027 + }
1028 +
1029 + // Auto-complete check: if all URLs are processed but status isn't complete
1030 + if (isset($status['processed_urls']) && isset($status['total_urls']) &&
1031 + $status['processed_urls'] >= $status['total_urls'] &&
1032 + isset($status['status']) && $status['status'] !== 'complete' &&
1033 + $status['status'] !== 'error') {
1034 +
1035 + // Mark as complete
1036 + $status['status'] = 'complete';
1037 + $status['processed_urls'] = $status['total_urls']; // Ensure exact match
1038 +
1039 + // Update the transient with the corrected status
1040 + set_transient($status_key, $status, DAY_IN_SECONDS);
1041 + }
1042 +
1043 + return array(
1044 + 'total_urls' => absint($status['total_urls']),
1045 + 'processed_urls' => absint($status['processed_urls']),
1046 + 'failed_urls' => absint($status['failed_urls'] ?? 0),
1047 + 'percentage' => ($status['total_urls'] > 0)
1048 + ? round((absint($status['processed_urls']) / absint($status['total_urls'])) * 100)
1049 + : 0,
1050 + 'status' => sanitize_text_field($status['status']),
1051 + 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
1052 + 'error' => isset($status['error']) ? sanitize_text_field($status['error']) : '',
1053 + 'last_error' => isset($status['last_error']) ? sanitize_text_field($status['last_error']) : '',
1054 + 'failed_urls_list' => isset($status['failed_urls_list']) ? $status['failed_urls_list'] : array()
1055 + );
1056 +}
1057 +
1058 +public function mxchat_ajax_get_status_updates() {
1059 + try {
1060 + // Verify the request
1061 + check_ajax_referer('mxchat_status_nonce', 'nonce');
1062 +
1063 + // Get active queue IDs
1064 + $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
1065 + $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
1066 +
1067 + $sitemap_status = false;
1068 + $pdf_status = false;
1069 +
1070 + // Get sitemap queue status
1071 + if ($sitemap_queue_id) {
1072 + $sitemap_status = $this->mxchat_get_queue_status_data($sitemap_queue_id, 'sitemap');
1073 + }
1074 +
1075 + // Get PDF queue status
1076 + if ($pdf_queue_id) {
1077 + $pdf_status = $this->mxchat_get_queue_status_data($pdf_queue_id, 'pdf');
1078 + }
1079 +
1080 + $is_active_processing =
1081 + ($sitemap_status && $sitemap_status['status'] === 'processing') ||
1082 + ($pdf_status && $pdf_status['status'] === 'processing');
1083 +
1084 + // Return JSON response with the status data
1085 + wp_send_json(array(
1086 + 'pdf_status' => $pdf_status,
1087 + 'sitemap_status' => $sitemap_status,
1088 + 'is_processing' => $is_active_processing,
1089 + 'sitemap_queue_id' => $sitemap_queue_id,
1090 + 'pdf_queue_id' => $pdf_queue_id
1091 + ));
1092 +
1093 + } catch (Exception $e) {
1094 + error_log('MxChat Status Update Error: ' . $e->getMessage());
1095 +
1096 + wp_send_json_error(array(
1097 + 'message' => 'Error getting status updates: ' . $e->getMessage(),
1098 + 'status' => 'error'
1099 + ));
1100 + }
1101 +}
1102 +
1103 +/**
1104 + * Helper function to get queue status data
1105 + */
1106 +private function mxchat_get_queue_status_data($queue_id, $type = 'sitemap') {
1107 + global $wpdb;
1108 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
1109 +
1110 + // Get counts by status
1111 + $counts = $wpdb->get_results($wpdb->prepare(
1112 + "SELECT status, COUNT(*) as count
1113 + FROM $table_name
1114 + WHERE queue_id = %s
1115 + GROUP BY status",
1116 + $queue_id
1117 + ), OBJECT_K);
1118 +
1119 + $total = 0;
1120 + $completed = 0;
1121 + $failed = 0;
1122 + $processing = 0;
1123 + $pending = 0;
1124 +
1125 + foreach ($counts as $status => $data) {
1126 + $count = absint($data->count);
1127 + $total += $count;
1128 +
1129 + switch ($status) {
1130 + case 'completed':
1131 + $completed = $count;
1132 + break;
1133 + case 'failed':
1134 + $failed = $count;
1135 + break;
1136 + case 'processing':
1137 + $processing = $count;
1138 + break;
1139 + case 'pending':
1140 + $pending = $count;
1141 + break;
1142 + }
1143 + }
1144 +
1145 + if ($total === 0) {
1146 + return false;
1147 + }
1148 +
1149 + // Calculate percentage
1150 + $percentage = round((($completed + $failed) / $total) * 100);
1151 +
1152 + // Get failed items details (limit to 50)
1153 + $failed_items = array();
1154 + if ($failed > 0) {
1155 + $failed_results = $wpdb->get_results($wpdb->prepare(
1156 + "SELECT item_type, item_data, error_message, attempts, completed_at
1157 + FROM $table_name
1158 + WHERE queue_id = %s
1159 + AND status = 'failed'
1160 + AND attempts >= max_attempts
1161 + ORDER BY id DESC
1162 + LIMIT 50",
1163 + $queue_id
1164 + ));
1165 +
1166 + foreach ($failed_results as $item) {
1167 + $data = json_decode($item->item_data, true);
1168 + $url = $type === 'pdf' ? ($data['pdf_url'] ?? '') : ($data['url'] ?? '');
1169 +
1170 + $failed_items[] = array(
1171 + 'url' => $url,
1172 + 'page' => $type === 'pdf' ? ($data['page_number'] ?? 0) : 0,
1173 + 'error' => $item->error_message,
1174 + 'retries' => $item->attempts,
1175 + 'time' => strtotime($item->completed_at)
1176 + );
1177 + }
1178 + }
1179 +
1180 + // Get queue metadata
1181 + $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
1182 +
1183 + // Determine if queue is complete
1184 + $is_complete = ($pending === 0 && $processing === 0);
1185 +
1186 + // Get last update time
1187 + $last_update = $wpdb->get_var($wpdb->prepare(
1188 + "SELECT MAX(UNIX_TIMESTAMP(COALESCE(completed_at, started_at, created_at)))
1189 + FROM $table_name
1190 + WHERE queue_id = %s",
1191 + $queue_id
1192 + ));
1193 +
1194 + $last_update_text = $last_update ? human_time_diff($last_update, time()) . ' ' . __('ago', 'mxchat') : __('Just now', 'mxchat');
1195 +
1196 + // Format based on type
1197 + if ($type === 'pdf') {
1198 + return array(
1199 + 'total_pages' => $total,
1200 + 'processed_pages' => $completed + $failed,
1201 + 'failed_pages' => $failed,
1202 + 'percentage' => $percentage,
1203 + 'status' => $is_complete ? 'complete' : 'processing',
1204 + 'last_update' => $last_update_text,
1205 + 'failed_pages_list' => $failed_items,
1206 + 'pdf_url' => $source_url,
1207 + 'queue_id' => $queue_id
1208 + );
1209 + } else {
1210 + return array(
1211 + 'total_urls' => $total,
1212 + 'processed_urls' => $completed + $failed,
1213 + 'failed_urls' => $failed,
1214 + 'percentage' => $percentage,
1215 + 'status' => $is_complete ? 'complete' : 'processing',
1216 + 'last_update' => $last_update_text,
1217 + 'failed_urls_list' => $failed_items,
1218 + 'sitemap_url' => $source_url,
1219 + 'queue_id' => $queue_id
1220 + );
1221 + }
1222 +}
1223 +
1224 +public function mxchat_stop_processing() {
1225 + // Verify permissions
1226 + if (!current_user_can('manage_options')) {
1227 + wp_die(esc_html__('Unauthorized access', 'mxchat'));
1228 + }
1229 +
1230 + // Verify nonce
1231 + check_admin_referer('mxchat_stop_processing_action', 'mxchat_stop_processing_nonce');
1232 +
1233 + global $wpdb;
1234 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
1235 +
1236 + // Get active queue IDs
1237 + $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
1238 + $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
1239 +
1240 + // Delete all pending items from active queues
1241 + if ($sitemap_queue_id) {
1242 + $wpdb->delete(
1243 + $table_name,
1244 + array(
1245 + 'queue_id' => $sitemap_queue_id,
1246 + 'status' => 'pending'
1247 + ),
1248 + array('%s', '%s')
1249 + );
1250 +
1251 + delete_transient('mxchat_active_queue_sitemap');
1252 + delete_transient('mxchat_last_sitemap_url');
1253 + }
1254 +
1255 + if ($pdf_queue_id) {
1256 + // Get PDF path before deleting
1257 + $pdf_path = $this->mxchat_get_queue_meta($pdf_queue_id, 'pdf_path');
1258 +
1259 + $wpdb->delete(
1260 + $table_name,
1261 + array(
1262 + 'queue_id' => $pdf_queue_id,
1263 + 'status' => 'pending'
1264 + ),
1265 + array('%s', '%s')
1266 + );
1267 +
1268 + // Delete PDF file
1269 + if ($pdf_path && file_exists($pdf_path)) {
1270 + wp_delete_file($pdf_path);
1271 + }
1272 +
1273 + delete_transient('mxchat_active_queue_pdf');
1274 + delete_transient('mxchat_last_pdf_url');
1275 + }
1276 +
1277 + // Redirect back with a success message
1278 + set_transient('mxchat_admin_notice_success',
1279 + esc_html__('Processing has been stopped successfully.', 'mxchat'),
1280 + 30
1281 + );
1282 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
1283 + exit;
1284 +}
1285 +
1286 +/**
1287 + * Get content list for processing
1288 + */
1289 +public function ajax_mxchat_get_content_list() {
1290 + // Verify the nonce
1291 + check_ajax_referer('mxchat_content_selector_nonce', 'nonce');
1292 +
1293 + if (!current_user_can('manage_options')) {
1294 + wp_send_json_error(__('Unauthorized access', 'mxchat'));
1295 + }
1296 +
1297 + $page = isset($_GET['page']) ? absint($_GET['page']) : 1;
1298 + $per_page = isset($_GET['per_page']) ? absint($_GET['per_page']) : 50;
1299 + $search = isset($_GET['search']) ? sanitize_text_field($_GET['search']) : '';
1300 + $post_type = isset($_GET['post_type']) ? sanitize_text_field($_GET['post_type']) : 'all';
1301 + $post_status = isset($_GET['post_status']) ? sanitize_text_field($_GET['post_status']) : 'publish';
1302 + $processed_filter = isset($_GET['processed_filter']) ? sanitize_text_field($_GET['processed_filter']) : 'all';
1303 +
1304 + // Build query args
1305 + $args = array(
1306 + 'posts_per_page' => $per_page,
1307 + 'paged' => $page,
1308 + 'post_status' => $post_status !== 'all' ? $post_status : array('publish', 'draft', 'pending'),
1309 + 'orderby' => 'date',
1310 + 'order' => 'DESC',
1311 + );
1312 +
1313 + // Handle post types - IMPROVED VERSION
1314 + if ($post_type !== 'all') {
1315 + $args['post_type'] = $post_type;
1316 + } else {
1317 + // Get all available post types that might contain content
1318 + $all_post_types = array();
1319 +
1320 + // First get all public post types
1321 + $public_types = get_post_types(array('public' => true), 'names');
1322 + $all_post_types = array_merge($all_post_types, $public_types);
1323 +
1324 + // Add common forum/community post types
1325 + $forum_types = array('topic', 'reply', 'forum', 'wpforo_topic', 'wpforo_post');
1326 + foreach ($forum_types as $forum_type) {
1327 + if (post_type_exists($forum_type)) {
1328 + $all_post_types[] = $forum_type;
1329 + }
1330 + }
1331 +
1332 + // Add other commonly used post types
1333 + $common_types = array('product', 'job_listing', 'event', 'portfolio');
1334 + foreach ($common_types as $common_type) {
1335 + if (post_type_exists($common_type)) {
1336 + $all_post_types[] = $common_type;
1337 + }
1338 + }
1339 +
1340 + // Remove duplicates and ensure we have at least some post types
1341 + $all_post_types = array_unique($all_post_types);
1342 +
1343 + if (empty($all_post_types)) {
1344 + // Fallback to basic post types
1345 + $all_post_types = array('post', 'page');
1346 + }
1347 +
1348 + $args['post_type'] = $all_post_types;
1349 +
1350 + // Debug logging to see what post types are being queried
1351 + //error_log('MxChat Debug: Querying post types: ' . implode(', ', $all_post_types));
1352 + }
1353 +
1354 + if (!empty($search)) {
1355 + $args['s'] = $search;
1356 + }
1357 +
1358 + // Get processed data from storage
1359 + $processed_data = array();
1360 +
1361 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
1362 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
1363 +
1364 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
1365 + // Get fresh data from Pinecone - no caching
1366 + $processed_data = $this->mxchat_get_pinecone_processed_content($pinecone_options);
1367 + } else {
1368 + // WordPress DB checking with better URL matching for all post types
1369 + global $wpdb;
1370 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
1371 + $processed_items = $wpdb->get_results("SELECT id, source_url, timestamp FROM {$table_name}");
1372 +
1373 + if (!empty($processed_items)) {
1374 + foreach ($processed_items as $item) {
1375 + // Use improved URL matching that works for all post types
1376 + $post_id = $this->mxchat_url_to_post_id_improved($item->source_url);
1377 +
1378 + if ($post_id) {
1379 + $processed_data[$post_id] = array(
1380 + 'db_id' => $item->id,
1381 + 'timestamp' => $item->timestamp,
1382 + 'url' => $item->source_url,
1383 + 'source' => 'wordpress'
1384 + );
1385 + }
1386 + }
1387 + }
1388 + }
1389 +
1390 + // Get processed IDs as a simple array for in_array checks
1391 + $processed_ids = array_keys($processed_data);
1392 +
1393 + // Handle processed/unprocessed filter
1394 + if ($processed_filter === 'processed' && !empty($processed_ids)) {
1395 + $args['post__in'] = $processed_ids;
1396 + } elseif ($processed_filter === 'unprocessed' && !empty($processed_ids)) {
1397 + $args['post__not_in'] = $processed_ids;
1398 + }
1399 +
1400 + // Run the query
1401 + $query = new WP_Query($args);
1402 + $content_items = array();
1403 +
1404 + if ($query->have_posts()) {
1405 + while ($query->have_posts()) {
1406 + $query->the_post();
1407 + $id = get_the_ID();
1408 + $post_date = get_the_date();
1409 + $excerpt = wp_trim_words(get_the_excerpt(), 20, '...');
1410 + $word_count = str_word_count(strip_tags(get_the_content()));
1411 +
1412 + $is_processed = in_array($id, $processed_ids);
1413 + $processed_date = '';
1414 + $db_record_id = 0;
1415 + $data_source = 'none';
1416 +
1417 + if ($is_processed && isset($processed_data[$id])) {
1418 + $item_data = $processed_data[$id];
1419 + $data_source = $item_data['source'];
1420 +
1421 + if ($data_source === 'wordpress' && isset($item_data['timestamp'])) {
1422 + // WordPress DB format
1423 + $timestamp = strtotime($item_data['timestamp']);
1424 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
1425 + $db_record_id = $item_data['db_id'];
1426 + } elseif ($data_source === 'pinecone') {
1427 + // Pinecone format
1428 + $processed_date = $item_data['processed_date'];
1429 + $db_record_id = $item_data['db_id'];
1430 + }
1431 + }
1432 +
1433 + $content_items[] = array(
1434 + 'id' => $id,
1435 + 'title' => get_the_title(),
1436 + 'permalink' => get_permalink(),
1437 + 'date' => $post_date,
1438 + 'type' => get_post_type(),
1439 + 'status' => get_post_status(),
1440 + 'excerpt' => $excerpt,
1441 + 'word_count' => $word_count,
1442 + 'already_processed' => $is_processed,
1443 + 'processed_date' => $processed_date,
1444 + 'db_record_id' => $db_record_id,
1445 + 'data_source' => $data_source
1446 + );
1447 + }
1448 + wp_reset_postdata();
1449 + }
1450 +
1451 + $response = array(
1452 + 'items' => $content_items,
1453 + 'total' => $query->found_posts,
1454 + 'total_pages' => $query->max_num_pages,
1455 + 'current_page' => $page,
1456 + 'processed_count' => count($processed_ids)
1457 + );
1458 +
1459 + wp_send_json_success($response);
1460 + exit;
1461 +}
1462 +
1463 +
1464 +/**
1465 + * This function handles various WooCommerce URL formats and permalink structures
1466 + */
1467 +private function mxchat_url_to_post_id_improved($url) {
1468 + // First try the standard WordPress function
1469 + $post_id = url_to_postid($url);
1470 +
1471 + if ($post_id > 0) {
1472 + return $post_id;
1473 + }
1474 +
1475 + // If that fails, try more aggressive URL matching
1476 + // Remove trailing slashes and query parameters for better matching
1477 + $clean_url = rtrim($url, '/');
1478 + $clean_url = strtok($clean_url, '?'); // Remove query parameters
1479 +
1480 + // Try again with cleaned URL
1481 + $post_id = url_to_postid($clean_url);
1482 + if ($post_id > 0) {
1483 + return $post_id;
1484 + }
1485 +
1486 + // For bbPress forum topics, try extracting slug from URL
1487 + if (strpos($url, '/topic/') !== false || strpos($url, '/forums/') !== false) {
1488 + // Handle bbPress URLs: /forums/topic/topic-name/
1489 + if (preg_match('/\/forums\/topic\/([^\/\?]+)/', $url, $matches)) {
1490 + $topic_slug = $matches[1];
1491 +
1492 + // Look up topic by slug
1493 + $topic = get_page_by_path($topic_slug, OBJECT, 'topic');
1494 + if ($topic) {
1495 + return $topic->ID;
1496 + }
1497 +
1498 + // Alternative method: query by post_name
1499 + global $wpdb;
1500 + $post_id = $wpdb->get_var($wpdb->prepare(
1501 + "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
1502 + $topic_slug
1503 + ));
1504 +
1505 + if ($post_id) {
1506 + return intval($post_id);
1507 + }
1508 + }
1509 +
1510 + // Handle simpler topic URLs: /topic/topic-name/
1511 + if (preg_match('/\/topic\/([^\/\?]+)/', $url, $matches)) {
1512 + $topic_slug = $matches[1];
1513 +
1514 + global $wpdb;
1515 + $post_id = $wpdb->get_var($wpdb->prepare(
1516 + "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
1517 + $topic_slug
1518 + ));
1519 +
1520 + if ($post_id) {
1521 + return intval($post_id);
1522 + }
1523 + }
1524 + }
1525 +
1526 + // For WooCommerce products
1527 + if (strpos($url, '/product/') !== false || strpos($url, 'product=') !== false) {
1528 + // Extract product slug from various URL formats
1529 + $product_slug = '';
1530 +
1531 + // Handle pretty permalinks: /product/product-name/
1532 + if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
1533 + $product_slug = $matches[1];
1534 + }
1535 + // Handle query parameters: ?product=product-name
1536 + elseif (preg_match('/[\?&]product=([^&]+)/', $url, $matches)) {
1537 + $product_slug = $matches[1];
1538 + }
1539 +
1540 + if (!empty($product_slug)) {
1541 + // Look up product by slug
1542 + $product = get_page_by_path($product_slug, OBJECT, 'product');
1543 + if ($product) {
1544 + return $product->ID;
1545 + }
1546 +
1547 + // Alternative method: query by post_name
1548 + global $wpdb;
1549 + $post_id = $wpdb->get_var($wpdb->prepare(
1550 + "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'product' AND post_status = 'publish'",
1551 + $product_slug
1552 + ));
1553 +
1554 + if ($post_id) {
1555 + return intval($post_id);
1556 + }
1557 + }
1558 + }
1559 +
1560 + // Generic approach: try to extract slug and match against all post types
1561 + $parsed_url = wp_parse_url($clean_url);
1562 + $path = $parsed_url['path'] ?? '';
1563 +
1564 + if (!empty($path)) {
1565 + // Get the last part of the path as potential slug
1566 + $path_parts = array_filter(explode('/', trim($path, '/')));
1567 + $potential_slug = end($path_parts);
1568 +
1569 + if (!empty($potential_slug)) {
1570 + global $wpdb;
1571 +
1572 + // Try to find any post with this slug
1573 + $post_id = $wpdb->get_var($wpdb->prepare(
1574 + "SELECT ID FROM {$wpdb->posts}
1575 + WHERE post_name = %s
1576 + AND post_status IN ('publish', 'closed', 'private')
1577 + AND post_type NOT IN ('revision', 'attachment', 'nav_menu_item')
1578 + ORDER BY CASE
1579 + WHEN post_type = 'post' THEN 1
1580 + WHEN post_type = 'page' THEN 2
1581 + WHEN post_type = 'topic' THEN 3
1582 + WHEN post_type = 'product' THEN 4
1583 + ELSE 5
1584 + END
1585 + LIMIT 1",
1586 + $potential_slug
1587 + ));
1588 +
1589 + if ($post_id) {
1590 + return intval($post_id);
1591 + }
1592 + }
1593 + }
1594 +
1595 + // ADDITIONAL: Try direct database lookup by URL variations
1596 + global $wpdb;
1597 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
1598 +
1599 + // Try variations of the URL (with/without trailing slash, http/https)
1600 + $url_variations = array(
1601 + $url,
1602 + rtrim($url, '/'),
1603 + $url . '/',
1604 + str_replace('http://', 'https://', $url),
1605 + str_replace('https://', 'http://', $url),
1606 + str_replace('http://', 'https://', rtrim($url, '/')),
1607 + str_replace('https://', 'http://', rtrim($url, '/'))
1608 + );
1609 +
1610 + // Remove duplicates
1611 + $url_variations = array_unique($url_variations);
1612 +
1613 + foreach ($url_variations as $variation) {
1614 + $existing_record = $wpdb->get_row($wpdb->prepare(
1615 + "SELECT id, source_url FROM $table_name WHERE source_url = %s",
1616 + $variation
1617 + ));
1618 +
1619 + if ($existing_record) {
1620 + // Try to get post ID from this stored URL
1621 + $stored_post_id = url_to_postid($existing_record->source_url);
1622 + if ($stored_post_id > 0) {
1623 + return $stored_post_id;
1624 + }
1625 + }
1626 + }
1627 +
1628 + return 0; // No match found
1629 +}
1630 +/**
1631 + * Process selected content via AJAX
1632 + */
1633 +public function ajax_mxchat_process_selected_content() {
1634 + // Basic request validation
1635 + if (!check_ajax_referer('mxchat_content_selector_nonce', 'nonce', false)) {
1636 + wp_send_json_error('Invalid nonce');
1637 + exit;
1638 + }
1639 +
1640 + if (!current_user_can('manage_options')) {
1641 + wp_send_json_error('Unauthorized access');
1642 + exit;
1643 + }
1644 +
1645 + // Get post IDs - safely parse the array
1646 + $post_ids = array();
1647 + if (isset($_POST['post_ids']) && is_array($_POST['post_ids'])) {
1648 + foreach ($_POST['post_ids'] as $id) {
1649 + $post_ids[] = absint($id);
1650 + }
1651 + }
1652 +
1653 + if (empty($post_ids)) {
1654 + wp_send_json_error('No content selected');
1655 + exit;
1656 + }
1657 +
1658 + // Get bot_id from request
1659 + $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
1660 +
1661 + // Process only ONE post at a time to avoid request size issues
1662 + $post_id = reset($post_ids);
1663 + $post = get_post($post_id);
1664 +
1665 + if (!$post) {
1666 + wp_send_json_error('Post not found');
1667 + exit;
1668 + }
1669 +
1670 + // Get content including title, short description (for WooCommerce), and main content
1671 + $content = $post->post_title . "\n\n";
1672 +
1673 + // Add short description if it exists (WooCommerce products use post_excerpt for short description)
1674 + if (!empty($post->post_excerpt)) {
1675 + // Strip shortcodes first (WPBakery, Elementor, etc.), then strip HTML tags
1676 + $clean_excerpt = strip_shortcodes($post->post_excerpt);
1677 + // Additional regex-based shortcode removal as a safety net
1678 + $clean_excerpt = preg_replace('/\[(\[?)([a-zA-Z0-9_-]+)(?![\w-])([^\]\/]*(?:\/(?!\])[^\]\/]*)*?)(?:(\/)\]|\](?:([^\[]*(?:\[(?!\/\2\])[^\[]*)*)\[\/\2\])?)(\]?)/s', '', $clean_excerpt);
1679 + $content .= "Short Description: " . wp_strip_all_tags($clean_excerpt) . "\n\n";
1680 + }
1681 +
1682 + // Add main content - strip shortcodes first, then strip HTML tags
1683 + $clean_content = strip_shortcodes($post->post_content);
1684 + // Additional regex-based shortcode removal as a safety net
1685 + $clean_content = preg_replace('/\[(\[?)([a-zA-Z0-9_-]+)(?![\w-])([^\]\/]*(?:\/(?!\])[^\]\/]*)*?)(?:(\/)\]|\](?:([^\[]*(?:\[(?!\/\2\])[^\[]*)*)\[\/\2\])?)(\]?)/s', '', $clean_content);
1686 + $content .= wp_strip_all_tags($clean_content);
1687 +
1688 + // ADD WOOCOMMERCE PRODUCT DATA (pricing, stock, categories, custom tabs)
1689 + if (get_post_type($post_id) === 'product' && class_exists('WooCommerce')) {
1690 + $product = wc_get_product($post_id);
1691 +
1692 + if ($product) {
1693 + // Get pricing information
1694 + $regular_price = $product->get_regular_price();
1695 + $sale_price = $product->get_sale_price();
1696 + $price = $product->get_price();
1697 + $sku = $product->get_sku();
1698 +
1699 + // Get currency symbol
1700 + $currency_symbol = get_woocommerce_currency_symbol();
1701 +
1702 + // Add pricing information
1703 + $content .= "\n";
1704 + if (!empty($regular_price)) {
1705 + $content .= "Price: " . $currency_symbol . $regular_price . "\n";
1706 + } elseif (!empty($price)) {
1707 + $content .= "Price: " . $currency_symbol . $price . "\n";
1708 + }
1709 +
1710 + if (!empty($sale_price) && $sale_price !== $regular_price) {
1711 + $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
1712 + }
1713 +
1714 + // Handle variable products - show price range
1715 + if ($product->is_type('variable')) {
1716 + $min_price = $product->get_variation_price('min');
1717 + $max_price = $product->get_variation_price('max');
1718 + if ($min_price !== $max_price) {
1719 + $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
1720 + }
1721 + }
1722 +
1723 + if (!empty($sku)) {
1724 + $content .= "SKU: " . $sku . "\n";
1725 + }
1726 +
1727 + // Get product categories
1728 + $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
1729 + if (!empty($categories) && !is_wp_error($categories)) {
1730 + $content .= "Categories: " . implode(', ', $categories) . "\n";
1731 + }
1732 + }
1733 +
1734 + // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
1735 + $custom_tabs = get_post_meta($post_id, 'yikes_woo_products_tabs', true);
1736 + if (!empty($custom_tabs) && is_array($custom_tabs)) {
1737 + foreach ($custom_tabs as $tab) {
1738 + $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
1739 + $tab_content = isset($tab['content']) ? $tab['content'] : '';
1740 +
1741 + if (!empty($tab_title) && !empty($tab_content)) {
1742 + $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
1743 + }
1744 + }
1745 + }
1746 +
1747 + // Also check for reusable/saved tabs applied to this product
1748 + $applied_saved_tabs = get_post_meta($post_id, 'yikes_woo_reusable_products_tabs_applied', true);
1749 + if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
1750 + $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
1751 + if (!empty($saved_tabs) && is_array($saved_tabs)) {
1752 + foreach ($applied_saved_tabs as $saved_tab_id) {
1753 + if (isset($saved_tabs[$saved_tab_id])) {
1754 + $tab = $saved_tabs[$saved_tab_id];
1755 + $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
1756 + $tab_content = isset($tab['content']) ? $tab['content'] : '';
1757 +
1758 + if (!empty($tab_title) && !empty($tab_content)) {
1759 + $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
1760 + }
1761 + }
1762 + }
1763 + }
1764 + }
1765 + }
1766 +
1767 + // ADD ACF FIELDS SUPPORT
1768 + $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
1769 + if (!empty($acf_fields)) {
1770 + $acf_content_parts = array();
1771 +
1772 + foreach ($acf_fields as $field_name => $field_value) {
1773 + $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
1774 +
1775 + if (!empty($formatted_value)) {
1776 + $field_label = ucwords(str_replace('_', ' ', $field_name));
1777 + $acf_content_parts[] = $field_label . ": " . $formatted_value;
1778 + }
1779 + }
1780 +
1781 + if (!empty($acf_content_parts)) {
1782 + $content .= "\n\n" . implode("\n", $acf_content_parts);
1783 + }
1784 + }
1785 +
1786 + $content = substr($content, 0, 10000); // Limit content size
1787 +
1788 + // Get bot-specific API key
1789 + $bot_options = $this->get_bot_options($bot_id);
1790 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1791 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
1792 +
1793 + if (strpos($selected_model, 'voyage') === 0) {
1794 + $api_key = $options['voyage_api_key'] ?? '';
1795 + $provider_name = 'Voyage AI';
1796 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
1797 + $api_key = $options['gemini_api_key'] ?? '';
1798 + $provider_name = 'Google Gemini';
1799 + } else {
1800 + $api_key = $options['api_key'] ?? '';
1801 + $provider_name = 'OpenAI';
1802 + }
1803 +
1804 + if (empty($api_key)) {
1805 + wp_send_json_error($provider_name . ' API key not configured');
1806 + exit;
1807 + }
1808 +
1809 + $source_url = get_permalink($post_id);
1810 + $vector_id = md5($source_url); // Vector ID for Pinecone
1811 +
1812 + // Check for existing content in bot-specific storage
1813 + $is_update = false;
1814 +
1815 + // Get bot-specific Pinecone configuration
1816 + $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
1817 + $use_pinecone = !empty($bot_pinecone_config) && ($bot_pinecone_config['use_pinecone'] ?? false);
1818 +
1819 + if ($use_pinecone && !empty($bot_pinecone_config['api_key'])) {
1820 + // Check Pinecone for this bot
1821 + $pinecone_data = $this->mxchat_get_pinecone_processed_content($bot_pinecone_config);
1822 + if (isset($pinecone_data[$post_id])) {
1823 + $is_update = true;
1824 + }
1825 + } else {
1826 + // Check WordPress DB (same as before since it's shared)
1827 + global $wpdb;
1828 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
1829 + $existing_record = $wpdb->get_row($wpdb->prepare(
1830 + "SELECT id FROM $table_name WHERE source_url = %s",
1831 + $source_url
1832 + ));
1833 +
1834 + if ($existing_record) {
1835 + $is_update = true;
1836 + }
1837 + }
1838 +
1839 + // UPDATED 2.5.6: Determine content type based on post_type
1840 + $post_type = $post->post_type;
1841 + $content_type = 'content'; // Default fallback
1842 +
1843 + // Map WordPress post types to content types
1844 + switch ($post_type) {
1845 + case 'post':
1846 + $content_type = 'post';
1847 + break;
1848 + case 'page':
1849 + $content_type = 'page';
1850 + break;
1851 + case 'product':
1852 + $content_type = 'product';
1853 + break;
1854 + default:
1855 + // For custom post types, use the post type name
1856 + $content_type = sanitize_key($post_type);
1857 + break;
1858 + }
1859 +
1860 + // Use the centralized utility function with bot_id and content_type
1861 + $result = MxChat_Utils::submit_content_to_db(
1862 + $content,
1863 + $source_url,
1864 + $api_key,
1865 + $vector_id,
1866 + $bot_id,
1867 + $content_type
1868 + );
1869 +
1870 + if (is_wp_error($result)) {
1871 + wp_send_json_error('Storage failed: ' . $result->get_error_message());
1872 + exit;
1873 + }
1874 +
1875 + // Automatically apply role restriction based on tags
1876 + $this->apply_role_restriction_to_post($post_id, $source_url);
1877 +
1878 + $operation_type = $is_update ? 'update' : 'new';
1879 +
1880 + // Count ACF fields for debugging
1881 + $acf_field_count = count($acf_fields);
1882 +
1883 + // Success response with minimal data
1884 + wp_send_json_success(array(
1885 + 'message' => $operation_type === 'update' ? 'Content updated successfully' : 'Content processed successfully',
1886 + 'post_id' => $post_id,
1887 + 'title' => $post->post_title,
1888 + 'operation_type' => $operation_type,
1889 + 'vector_id' => $vector_id,
1890 + 'acf_fields_found' => $acf_field_count,
1891 + 'content_preview' => substr($content, 0, 100) . '...',
1892 + 'bot_id' => $bot_id
1893 + ));
1894 + exit;
1895 +}
1896 +
1897 +private function apply_role_restriction_to_post($post_id, $source_url) {
1898 + // Get tag-role mappings
1899 + $mappings = get_option('mxchat_tag_role_mappings', array());
1900 +
1901 + if (empty($mappings)) {
1902 + return; // No mappings, leave as public
1903 + }
1904 +
1905 + // Get all tags for the post
1906 + $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
1907 +
1908 + if (empty($post_tags)) {
1909 + return; // No tags, leave as public
1910 + }
1911 +
1912 + // Determine the highest role restriction based on tags
1913 + $highest_role = 'public';
1914 + $role_hierarchy = array(
1915 + 'public' => 0,
1916 + 'logged_in' => 1,
1917 + 'subscriber' => 2,
1918 + 'contributor' => 3,
1919 + 'author' => 4,
1920 + 'editor' => 5,
1921 + 'administrator' => 6
1922 + );
1923 +
1924 + foreach ($post_tags as $tag_slug) {
1925 + if (isset($mappings[$tag_slug])) {
1926 + $role = $mappings[$tag_slug];
1927 + if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
1928 + $highest_role = $role;
1929 + }
1930 + }
1931 + }
1932 +
1933 + // If no restricted tags found, return (leave as public)
1934 + if ($highest_role === 'public') {
1935 + return;
1936 + }
1937 +
1938 + // Update the role restriction in the database
1939 + global $wpdb;
1940 +
1941 + // Check if using Pinecone
1942 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
1943 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
1944 +
1945 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
1946 + // Update Pinecone role restriction
1947 + $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
1948 + $vector_id = md5($source_url);
1949 +
1950 + $wpdb->replace(
1951 + $roles_table,
1952 + array(
1953 + 'vector_id' => $vector_id,
1954 + 'role_restriction' => $highest_role,
1955 + 'updated_at' => current_time('mysql')
1956 + ),
1957 + array('%s', '%s', '%s')
1958 + );
1959 + } else {
1960 + // Update WordPress DB
1961 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
1962 +
1963 + $wpdb->update(
1964 + $table_name,
1965 + array('role_restriction' => $highest_role),
1966 + array('source_url' => $source_url),
1967 + array('%s'),
1968 + array('%s')
1969 + );
1970 + }
1971 +}
1972 +
1973 +public function mxchat_get_public_post_types() {
1974 + // Get all public post types
1975 + $post_types = get_post_types(array('public' => true), 'objects');
1976 + $post_type_options = array();
1977 +
1978 + foreach ($post_types as $post_type) {
1979 + $post_type_options[$post_type->name] = $post_type->label;
1980 + }
1981 +
1982 + // Also include common forum/community post types that might not be marked as public
1983 + $additional_types = array(
1984 + 'topic' => 'Forum Topics (bbPress)',
1985 + 'reply' => 'Forum Replies (bbPress)',
1986 + 'forum' => 'Forums (bbPress)',
1987 + 'wpforo_topic' => 'wpForo Topics',
1988 + 'wpforo_post' => 'wpForo Posts'
1989 + );
1990 +
1991 + foreach ($additional_types as $type_name => $type_label) {
1992 + if (post_type_exists($type_name) && !isset($post_type_options[$type_name])) {
1993 + $post_type_options[$type_name] = $type_label;
1994 + }
1995 + }
1996 +
1997 + return $post_type_options;
1998 +}
1999 +
2000 +/**
2001 + * Retrieves processed content from Pinecone API
2002 + */
2003 +public function mxchat_get_pinecone_processed_content($pinecone_options) {
2004 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2005 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2006 +
2007 + if (empty($api_key) || empty($host)) {
2008 + return array();
2009 + }
2010 +
2011 + $pinecone_data = array();
2012 +
2013 + try {
2014 + // Always get fresh data from Pinecone
2015 + $pinecone_data = $this->mxchat_scan_pinecone_for_processed_content($pinecone_options);
2016 +
2017 + // Method 2: Final fallback - try stats endpoint (if available)
2018 + if (empty($pinecone_data)) {
2019 + $stats_url = "https://{$host}/describe_index_stats";
2020 +
2021 + $response = wp_remote_post($stats_url, array(
2022 + 'headers' => array(
2023 + 'Api-Key' => $api_key,
2024 + 'Content-Type' => 'application/json'
2025 + ),
2026 + 'body' => json_encode(array()),
2027 + 'timeout' => 30
2028 + ));
2029 +
2030 + if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
2031 + $body = wp_remote_retrieve_body($response);
2032 + $stats_data = json_decode($body, true);
2033 + }
2034 + }
2035 +
2036 + } catch (Exception $e) {
2037 + // Log error but return fresh data only
2038 + }
2039 +
2040 + return $pinecone_data;
2041 +}
2042 +public function mxchat_fetch_pinecone_vectors_by_ids($pinecone_options, $vector_ids) {
2043 + //error_log('=== DEBUG: Starting mxchat_fetch_pinecone_vectors_by_ids ===');
2044 +
2045 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2046 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2047 +
2048 + if (empty($api_key) || empty($host) || empty($vector_ids)) {
2049 + //error_log('DEBUG: Missing parameters for fetch by IDs');
2050 + return array();
2051 + }
2052 +
2053 + try {
2054 + $fetch_url = "https://{$host}/vectors/fetch";
2055 + //error_log('DEBUG: Fetch URL: ' . $fetch_url);
2056 + //error_log('DEBUG: Fetching ' . count($vector_ids) . ' vector IDs');
2057 +
2058 + // Pinecone fetch API allows fetching specific vectors by ID
2059 + $fetch_data = array(
2060 + 'ids' => array_values($vector_ids)
2061 + );
2062 +
2063 + $response = wp_remote_post($fetch_url, array(
2064 + 'headers' => array(
2065 + 'Api-Key' => $api_key,
2066 + 'Content-Type' => 'application/json'
2067 + ),
2068 + 'body' => json_encode($fetch_data),
2069 + 'timeout' => 30
2070 + ));
2071 +
2072 + if (is_wp_error($response)) {
2073 + //error_log('DEBUG: Fetch by IDs WP error: ' . $response->get_error_message());
2074 + return array();
2075 + }
2076 +
2077 + $response_code = wp_remote_retrieve_response_code($response);
2078 + //error_log('DEBUG: Fetch response code: ' . $response_code);
2079 +
2080 + if ($response_code !== 200) {
2081 + $error_body = wp_remote_retrieve_body($response);
2082 + //error_log('DEBUG: Fetch failed with body: ' . $error_body);
2083 + return array();
2084 + }
2085 +
2086 + $body = wp_remote_retrieve_body($response);
2087 + $data = json_decode($body, true);
2088 +
2089 + //error_log('DEBUG: Fetch response structure: ' . print_r(array_keys($data), true));
2090 +
2091 + if (!isset($data['vectors'])) {
2092 + //error_log('DEBUG: No vectors key in response');
2093 + return array();
2094 + }
2095 +
2096 + $processed_data = array();
2097 +
2098 + foreach ($data['vectors'] as $vector_id => $vector_data) {
2099 + $metadata = $vector_data['metadata'] ?? array();
2100 + $source_url = $metadata['source_url'] ?? '';
2101 +
2102 + if (!empty($source_url)) {
2103 + $post_id = url_to_postid($source_url);
2104 + if ($post_id) {
2105 + $created_at = $metadata['created_at'] ?? '';
2106 + $processed_date = 'Recently';
2107 +
2108 + if (!empty($created_at)) {
2109 + $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
2110 + if ($timestamp) {
2111 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
2112 + }
2113 + }
2114 +
2115 + $processed_data[$post_id] = array(
2116 + 'db_id' => $vector_id,
2117 + 'processed_date' => $processed_date,
2118 + 'url' => $source_url,
2119 + 'source' => 'pinecone',
2120 + 'timestamp' => $timestamp ?? current_time('timestamp')
2121 + );
2122 + }
2123 + }
2124 + }
2125 +
2126 + //error_log('DEBUG: Processed ' . count($processed_data) . ' vectors from fetch');
2127 + return $processed_data;
2128 +
2129 + } catch (Exception $e) {
2130 + //error_log('DEBUG: Exception in fetch_pinecone_vectors_by_ids: ' . $e->getMessage());
2131 + return array();
2132 + }
2133 +}
2134 +
2135 +/**
2136 + * Scan Pinecone for processed content
2137 + */
2138 +public function mxchat_scan_pinecone_for_processed_content($pinecone_options) {
2139 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2140 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2141 +
2142 + if (empty($api_key) || empty($host)) {
2143 + return array();
2144 + }
2145 +
2146 + try {
2147 + // Use multiple random vectors to get better coverage
2148 + $all_matches = array();
2149 + $seen_ids = array();
2150 +
2151 + // Try 3 different random vectors to get better coverage
2152 + for ($i = 0; $i < 3; $i++) {
2153 + $query_url = "https://{$host}/query";
2154 +
2155 + // Generate a random unit vector instead of zeros
2156 + $random_vector = array();
2157 + for ($j = 0; $j < 1536; $j++) {
2158 + $random_vector[] = (rand(-1000, 1000) / 1000.0);
2159 + }
2160 +
2161 + // Normalize the vector to unit length
2162 + $magnitude = sqrt(array_sum(array_map(function($x) { return $x * $x; }, $random_vector)));
2163 + if ($magnitude > 0) {
2164 + $random_vector = array_map(function($x) use ($magnitude) { return $x / $magnitude; }, $random_vector);
2165 + }
2166 +
2167 + $query_data = array(
2168 + 'includeMetadata' => true,
2169 + 'includeValues' => false,
2170 + 'topK' => 10000,
2171 + 'vector' => $random_vector
2172 + );
2173 +
2174 + $response = wp_remote_post($query_url, array(
2175 + 'headers' => array(
2176 + 'Api-Key' => $api_key,
2177 + 'Content-Type' => 'application/json'
2178 + ),
2179 + 'body' => json_encode($query_data),
2180 + 'timeout' => 30
2181 + ));
2182 +
2183 + if (is_wp_error($response)) {
2184 + continue;
2185 + }
2186 +
2187 + $response_code = wp_remote_retrieve_response_code($response);
2188 +
2189 + if ($response_code !== 200) {
2190 + continue;
2191 + }
2192 +
2193 + $body = wp_remote_retrieve_body($response);
2194 + $data = json_decode($body, true);
2195 +
2196 + if (isset($data['matches'])) {
2197 + foreach ($data['matches'] as $match) {
2198 + $match_id = $match['id'] ?? '';
2199 + if (!empty($match_id) && !isset($seen_ids[$match_id])) {
2200 + $all_matches[] = $match;
2201 + $seen_ids[$match_id] = true;
2202 + }
2203 + }
2204 + }
2205 + }
2206 +
2207 + // Convert matches to processed data format
2208 + $processed_data = array();
2209 +
2210 + foreach ($all_matches as $match) {
2211 + $metadata = $match['metadata'] ?? array();
2212 + $source_url = $metadata['source_url'] ?? '';
2213 + $match_id = $match['id'] ?? '';
2214 +
2215 + if (!empty($source_url) && !empty($match_id)) {
2216 + $post_id = url_to_postid($source_url);
2217 + if ($post_id) {
2218 + $created_at = $metadata['created_at'] ?? '';
2219 + $processed_date = 'Recently';
2220 +
2221 + if (!empty($created_at)) {
2222 + $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
2223 + if ($timestamp) {
2224 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
2225 + }
2226 + }
2227 +
2228 + $processed_data[$post_id] = array(
2229 + 'db_id' => $match_id,
2230 + 'processed_date' => $processed_date,
2231 + 'url' => $source_url,
2232 + 'source' => 'pinecone',
2233 + 'timestamp' => $timestamp ?? current_time('timestamp')
2234 + );
2235 + }
2236 + }
2237 + }
2238 +
2239 + return $processed_data;
2240 +
2241 + } catch (Exception $e) {
2242 + return array();
2243 + }
2244 +}
2245 +/**
2246 + * Generate embeddings from input text for MXChat with bot support
2247 + */
2248 +private function mxchat_generate_embedding($text, $bot_id = 'default') {
2249 + // Enable detailed logging for debugging
2250 + //error_log('[MXCHAT-EMBED] Starting embedding generation for bot: ' . $bot_id . '. Text length: ' . strlen($text) . ' bytes');
2251 + //error_log('[MXCHAT-EMBED] Text preview: ' . substr($text, 0, 100) . '...');
2252 +
2253 + // Get bot-specific options
2254 + $bot_options = $this->get_bot_options($bot_id);
2255 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
2256 +
2257 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
2258 + //error_log('[MXCHAT-EMBED] Selected embedding model for bot ' . $bot_id . ': ' . $selected_model);
2259 +
2260 + // Determine provider and endpoint
2261 + if (strpos($selected_model, 'voyage') === 0) {
2262 + $api_key = $options['voyage_api_key'] ?? '';
2263 + $endpoint = 'https://api.voyageai.com/v1/embeddings';
2264 + $provider_name = 'Voyage AI';
2265 + //error_log('[MXCHAT-EMBED] Using Voyage AI API for bot ' . $bot_id);
2266 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
2267 + $api_key = $options['gemini_api_key'] ?? '';
2268 + $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
2269 + $provider_name = 'Google Gemini';
2270 + //error_log('[MXCHAT-EMBED] Using Google Gemini API for bot ' . $bot_id);
2271 + } else {
2272 + $api_key = $options['api_key'] ?? '';
2273 + $endpoint = 'https://api.openai.com/v1/embeddings';
2274 + $provider_name = 'OpenAI';
2275 + //error_log('[MXCHAT-EMBED] Using OpenAI API for bot ' . $bot_id);
2276 + }
2277 +
2278 + //error_log('[MXCHAT-EMBED] Using endpoint: ' . $endpoint);
2279 +
2280 + if (empty($api_key)) {
2281 + $error_message = sprintf('Missing %s API key for bot %s. Please configure your API key in the bot settings.', $provider_name, $bot_id);
2282 + //error_log('[MXCHAT-EMBED] Error: ' . $error_message);
2283 + return $error_message;
2284 + }
2285 +
2286 + // Check if text is too long (for OpenAI, roughly estimate tokens as words/0.75)
2287 + $estimated_tokens = ceil(str_word_count($text) / 0.75);
2288 + //error_log('[MXCHAT-EMBED] Estimated token count: ~' . $estimated_tokens);
2289 +
2290 + if ($estimated_tokens > 8000 && strpos($selected_model, 'voyage') === false && strpos($selected_model, 'gemini-embedding') === false) {
2291 + //error_log('[MXCHAT-EMBED] Warning: Text may exceed OpenAI token limits (8K for most models)');
2292 + // Consider truncating text here
2293 + }
2294 +
2295 + // Prepare request body based on provider
2296 + if (strpos($selected_model, 'gemini-embedding') === 0) {
2297 + // Gemini API format
2298 + $request_body = array(
2299 + 'model' => 'models/' . $selected_model,
2300 + 'content' => array(
2301 + 'parts' => array(
2302 + array('text' => $text)
2303 + )
2304 + )
2305 + );
2306 +
2307 + // Set output dimensionality to 1536 for consistency with other models
2308 + $request_body['outputDimensionality'] = 1536;
2309 + } else {
2310 + // OpenAI/Voyage API format
2311 + $request_body = array(
2312 + 'model' => $selected_model,
2313 + 'input' => $text
2314 + );
2315 +
2316 + // Add output_dimension for voyage-3-large model
2317 + if ($selected_model === 'voyage-3-large') {
2318 + $request_body['output_dimension'] = 2048;
2319 + }
2320 + }
2321 +
2322 + //error_log('[MXCHAT-EMBED] Request prepared with model: ' . $selected_model);
2323 +
2324 + // Prepare headers based on provider
2325 + if (strpos($selected_model, 'gemini-embedding') === 0) {
2326 + // Gemini uses API key as query parameter
2327 + $endpoint .= '?key=' . $api_key;
2328 + $headers = array(
2329 + 'Content-Type' => 'application/json'
2330 + );
2331 + } else {
2332 + // OpenAI/Voyage use Bearer token
2333 + $headers = array(
2334 + 'Authorization' => 'Bearer ' . $api_key,
2335 + 'Content-Type' => 'application/json'
2336 + );
2337 + }
2338 +
2339 + // Make API request
2340 + //error_log('[MXCHAT-EMBED] Sending API request to: ' . $endpoint);
2341 + $response = wp_remote_post($endpoint, array(
2342 + 'body' => wp_json_encode($request_body),
2343 + 'headers' => $headers,
2344 + 'timeout' => 60 // Increased timeout for large inputs
2345 + ));
2346 +
2347 + // Handle wp_remote_post errors
2348 + if (is_wp_error($response)) {
2349 + $error_message = $response->get_error_message();
2350 + //error_log('[MXCHAT-EMBED] WP Remote Post Error: ' . $error_message);
2351 + return 'Connection error: ' . $error_message;
2352 + }
2353 +
2354 + // Get and check HTTP response code
2355 + $http_code = wp_remote_retrieve_response_code($response);
2356 + //error_log('[MXCHAT-EMBED] API Response Code: ' . $http_code);
2357 +
2358 + if ($http_code !== 200) {
2359 + $error_body = wp_remote_retrieve_body($response);
2360 + //error_log('[MXCHAT-EMBED] API Error Response Body: ' . $error_body);
2361 +
2362 + // Try to parse error for more details
2363 + $error_json = json_decode($error_body, true);
2364 + if (json_last_error() === JSON_ERROR_NONE && isset($error_json['error'])) {
2365 + $error_type = $error_json['error']['type'] ?? 'unknown';
2366 + $error_message = $error_json['error']['message'] ?? 'No message';
2367 + //error_log('[MXCHAT-EMBED] API Error Type: ' . $error_type);
2368 + //error_log('[MXCHAT-EMBED] API Error Message: ' . $error_message);
2369 +
2370 + // Customize error message for common API errors
2371 + if ($error_type === 'invalid_request_error' && strpos($error_message, 'API key') !== false) {
2372 + $error_message = sprintf('Invalid %s API key for bot %s. Please check your API key in the bot settings.', $provider_name, $bot_id);
2373 + } elseif ($error_type === 'authentication_error') {
2374 + $error_message = sprintf('%s authentication failed for bot %s. Please verify your API key in the bot settings.', $provider_name, $bot_id);
2375 + }
2376 +
2377 + //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
2378 + return $error_message;
2379 + }
2380 +
2381 + $error_message = sprintf("API Error (HTTP %d): Unable to generate embedding for bot %s", $http_code, $bot_id);
2382 + //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
2383 + return $error_message;
2384 + }
2385 +
2386 + // Parse response body
2387 + $response_body = wp_remote_retrieve_body($response);
2388 + //error_log('[MXCHAT-EMBED] Received response length: ' . strlen($response_body) . ' bytes');
2389 +
2390 + $response_data = json_decode($response_body, true);
2391 +
2392 + if (json_last_error() !== JSON_ERROR_NONE) {
2393 + $error = json_last_error_msg();
2394 + //error_log('[MXCHAT-EMBED] JSON Parse Error: ' . $error);
2395 + //error_log('[MXCHAT-EMBED] Response preview: ' . substr($response_body, 0, 200));
2396 + return "Failed to parse API response: $error";
2397 + }
2398 +
2399 + // Handle different response formats based on provider
2400 + if (strpos($selected_model, 'gemini-embedding') === 0) {
2401 + // Gemini API response format
2402 + if (isset($response_data['embedding']['values'])) {
2403 + $embedding_dimensions = count($response_data['embedding']['values']);
2404 + //error_log('[MXCHAT-EMBED] Successfully extracted Gemini embedding with ' . $embedding_dimensions . ' dimensions');
2405 +
2406 + // Check if embedding dimensions are as expected (should be 1536)
2407 + if ($embedding_dimensions !== 1536) {
2408 + //error_log('[MXCHAT-EMBED] Warning: Unexpected Gemini embedding dimensions: ' . $embedding_dimensions);
2409 + }
2410 +
2411 + return $response_data['embedding']['values'];
2412 + } else {
2413 + //error_log('[MXCHAT-EMBED] Error: No embedding found in Gemini response');
2414 + //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
2415 +
2416 + if (isset($response_data['error'])) {
2417 + $error_message = "Gemini API Error in response: " . wp_json_encode($response_data['error']);
2418 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2419 + return $error_message;
2420 + }
2421 +
2422 + $error_message = "Invalid Gemini API response format: No embedding found";
2423 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2424 + return $error_message;
2425 + }
2426 + } else {
2427 + // OpenAI/Voyage API response format
2428 + if (isset($response_data['data'][0]['embedding'])) {
2429 + $embedding_dimensions = count($response_data['data'][0]['embedding']);
2430 + //error_log('[MXCHAT-EMBED] Successfully extracted embedding with ' . $embedding_dimensions . ' dimensions');
2431 +
2432 + // Check if embedding dimensions are as expected
2433 + if (($selected_model === 'text-embedding-ada-002' && $embedding_dimensions !== 1536) ||
2434 + ($selected_model === 'voyage-3-large' && $embedding_dimensions !== 2048)) {
2435 + //error_log('[MXCHAT-EMBED] Warning: Unexpected embedding dimensions');
2436 + }
2437 +
2438 + return $response_data['data'][0]['embedding'];
2439 + } else {
2440 + //error_log('[MXCHAT-EMBED] Error: No embedding found in response');
2441 + //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
2442 +
2443 + if (isset($response_data['error'])) {
2444 + $error_message = "API Error in response: " . wp_json_encode($response_data['error']);
2445 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2446 + return $error_message;
2447 + }
2448 +
2449 + $error_message = "Invalid API response format: No embedding found";
2450 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2451 + return $error_message;
2452 + }
2453 + }
2454 +}
2455 +
2456 +/**
2457 + * Get bot-specific options for multi-bot functionality
2458 + * Falls back to default options if bot_id is 'default' or multi-bot add-on is not active
2459 + */
2460 +private function get_bot_options($bot_id = 'default') {
2461 + //error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id);
2462 +
2463 + if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
2464 + //error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')");
2465 + return array();
2466 + }
2467 +
2468 + $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
2469 +
2470 + if (!empty($bot_options)) {
2471 + //error_log("MXCHAT DEBUG: Got bot-specific options from filter");
2472 + if (isset($bot_options['similarity_threshold'])) {
2473 + //error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']);
2474 + }
2475 + }
2476 +
2477 + return is_array($bot_options) ? $bot_options : array();
2478 +}
2479 +
2480 +/**
2481 + * Get bot-specific Pinecone configuration
2482 + * Used in the knowledge retrieval functions
2483 + */
2484 +// Also add debugging to your get_bot_pinecone_config function
2485 +private function get_bot_pinecone_config($bot_id = 'default') {
2486 + //error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id);
2487 +
2488 + // If default bot or multi-bot add-on not active, use default Pinecone config
2489 + if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
2490 + //error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')");
2491 + $addon_options = get_option('mxchat_pinecone_addon_options', array());
2492 + $config = array(
2493 + 'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'),
2494 + 'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '',
2495 + 'host' => $addon_options['mxchat_pinecone_host'] ?? '',
2496 + 'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? ''
2497 + );
2498 + //error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false'));
2499 + return $config;
2500 + }
2501 +
2502 + //error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id);
2503 +
2504 + // Hook for multi-bot add-on to provide bot-specific Pinecone config
2505 + $bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
2506 +
2507 + if (!empty($bot_pinecone_config)) {
2508 + //error_log("MXCHAT DEBUG: Got bot-specific config from filter");
2509 + //error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set'));
2510 + //error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set'));
2511 + //error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set'));
2512 + } else {
2513 + //error_log("MXCHAT DEBUG: Filter returned empty config!");
2514 + }
2515 +
2516 + return is_array($bot_pinecone_config) ? $bot_pinecone_config : array();
2517 +}
2518 +
2519 +
2520 +public function mxchat_ajax_dismiss_completed_status() {
2521 + try {
2522 + // Verify the request
2523 + check_ajax_referer('mxchat_status_nonce', 'nonce');
2524 +
2525 + if (!current_user_can('manage_options')) {
2526 + wp_send_json_error('Unauthorized access');
2527 + exit;
2528 + }
2529 +
2530 + $card_type = isset($_POST['card_type']) ? sanitize_text_field($_POST['card_type']) : '';
2531 +
2532 + if ($card_type === 'pdf') {
2533 + // Clear PDF status
2534 + $pdf_url = get_transient('mxchat_last_pdf_url');
2535 + if ($pdf_url) {
2536 + delete_transient('mxchat_pdf_status_' . md5($pdf_url));
2537 + delete_transient('mxchat_last_pdf_url');
2538 + }
2539 + } elseif ($card_type === 'sitemap') {
2540 + // Clear sitemap status
2541 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
2542 + if ($sitemap_url) {
2543 + delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
2544 + delete_transient('mxchat_last_sitemap_url');
2545 + }
2546 + }
2547 +
2548 + wp_send_json_success(array('message' => 'Status dismissed successfully'));
2549 +
2550 + } catch (Exception $e) {
2551 + wp_send_json_error(array('message' => 'Error dismissing status: ' . $e->getMessage()));
2552 + }
2553 +}
2554 +
2555 +/**
2556 + * Render completed status cards on page load
2557 + * This ensures completed processing status persists through page refreshes
2558 + */
2559 +public function mxchat_render_completed_status_cards() {
2560 + $output = '';
2561 +
2562 + // Check for completed PDF status
2563 + $pdf_url = get_transient('mxchat_last_pdf_url');
2564 + if ($pdf_url) {
2565 + $pdf_status = $this->mxchat_get_pdf_processing_status($pdf_url);
2566 + if ($pdf_status && ($pdf_status['status'] === 'complete' || $pdf_status['status'] === 'error')) {
2567 + $output .= $this->mxchat_render_pdf_status_card($pdf_status, $pdf_url);
2568 + }
2569 + }
2570 +
2571 + // Check for completed sitemap status
2572 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
2573 + if ($sitemap_url) {
2574 + $sitemap_status = $this->mxchat_get_sitemap_processing_status($sitemap_url);
2575 + if ($sitemap_status && ($sitemap_status['status'] === 'complete' || $sitemap_status['status'] === 'error')) {
2576 + $output .= $this->mxchat_render_sitemap_status_card($sitemap_status, $sitemap_url);
2577 + }
2578 + }
2579 +
2580 + return $output;
2581 +}
2582 +
2583 +/**
2584 + * Render PDF status card HTML
2585 + */
2586 +private function mxchat_render_pdf_status_card($status, $pdf_url) {
2587 + $html = '<div class="mxchat-status-card" data-card-type="pdf">';
2588 + $html .= '<div class="mxchat-status-header">';
2589 + $html .= '<h4>' . esc_html__('PDF Processing Status', 'mxchat') . '</h4>';
2590 +
2591 + // Add dismiss button for completed status
2592 + if ($status['status'] === 'complete' || $status['status'] === 'error') {
2593 + $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
2594 + }
2595 +
2596 + // Process Batch button for processing status
2597 + if ($status['status'] === 'processing') {
2598 + $html .= '<button type="button" class="mxchat-manual-batch-btn"
2599 + data-process-type="pdf"
2600 + data-url="' . esc_attr($pdf_url) . '">
2601 + ' . esc_html__('Process Batch', 'mxchat') . '</button>';
2602 + }
2603 +
2604 + // Add status badges
2605 + if ($status['status'] === 'error') {
2606 + $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
2607 + } elseif ($status['status'] === 'complete') {
2608 + if ($status['failed_pages'] > 0) {
2609 + $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
2610 + sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_pages']) . '</span>';
2611 + } else {
2612 + $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
2613 + }
2614 + }
2615 +
2616 + $html .= '</div>'; // End header
2617 +
2618 + // Progress bar
2619 + $html .= '<div class="mxchat-progress-bar">';
2620 + $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
2621 + $html .= '</div>';
2622 +
2623 + // Status details
2624 + $html .= '<div class="mxchat-status-details">';
2625 + $html .= '<p>' . sprintf(
2626 + esc_html__('Progress: %d of %d pages (%d%%)', 'mxchat'),
2627 + $status['processed_pages'],
2628 + $status['total_pages'],
2629 + $status['percentage']
2630 + ) . '</p>';
2631 +
2632 + // Show failed pages count if any
2633 + if ($status['failed_pages'] > 0) {
2634 + $html .= '<p><strong>' . esc_html__('Failed pages:', 'mxchat') . '</strong> ' . esc_html($status['failed_pages']) . '</p>';
2635 + }
2636 +
2637 + $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
2638 + $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
2639 +
2640 + // Add completion summary if available AND it's an array
2641 + if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
2642 + $summary = $status['completion_summary'];
2643 + $html .= '<div class="mxchat-completion-summary">';
2644 + $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
2645 + $html .= '<p><strong>' . esc_html__('Total Pages:', 'mxchat') . '</strong> ' . esc_html($summary['total_pages']) . '</p>';
2646 + $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_pages']) . '</p>';
2647 + $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_pages']) . '</p>';
2648 + $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
2649 + $html .= '</div>';
2650 + }
2651 +
2652 + // Add failed pages list if any AND it's an array
2653 + if (isset($status['failed_pages_list']) && is_array($status['failed_pages_list']) && !empty($status['failed_pages_list'])) {
2654 + $html .= $this->mxchat_render_failed_pages_list($status['failed_pages_list']);
2655 + }
2656 +
2657 + // Add error message if any
2658 + if (isset($status['error']) && !empty($status['error'])) {
2659 + $html .= '<div class="mxchat-error-notice">';
2660 + $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
2661 + $html .= '</div>';
2662 + }
2663 +
2664 + $html .= '</div>'; // End details
2665 + $html .= '</div>'; // End card
2666 +
2667 + return $html;
2668 +}
2669 +/**
2670 + * Render sitemap status card HTML
2671 + */
2672 +private function mxchat_render_sitemap_status_card($status, $sitemap_url) {
2673 + $html = '<div class="mxchat-status-card" data-card-type="sitemap">';
2674 + $html .= '<div class="mxchat-status-header">';
2675 + $html .= '<h4>' . esc_html__('Sitemap Processing Status', 'mxchat') . '</h4>';
2676 +
2677 + // Add dismiss button for completed status
2678 + if ($status['status'] === 'complete' || $status['status'] === 'error') {
2679 + $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
2680 + }
2681 +
2682 + // Process Batch button for processing status
2683 + if ($status['status'] === 'processing') {
2684 + $html .= '<button type="button" class="mxchat-manual-batch-btn"
2685 + data-process-type="sitemap"
2686 + data-url="' . esc_attr($sitemap_url) . '">
2687 + ' . esc_html__('Process Batch', 'mxchat') . '</button>';
2688 + }
2689 +
2690 + // Add status badges
2691 + if ($status['status'] === 'error') {
2692 + $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
2693 + } elseif ($status['status'] === 'complete') {
2694 + if ($status['failed_urls'] > 0) {
2695 + $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
2696 + sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_urls']) . '</span>';
2697 + } else {
2698 + $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
2699 + }
2700 + }
2701 +
2702 + $html .= '</div>'; // End header
2703 +
2704 + // Progress bar
2705 + $html .= '<div class="mxchat-progress-bar">';
2706 + $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
2707 + $html .= '</div>';
2708 +
2709 + // Status details
2710 + $html .= '<div class="mxchat-status-details">';
2711 + $html .= '<p>' . sprintf(
2712 + esc_html__('Progress: %d of %d URLs (%d%%)', 'mxchat'),
2713 + $status['processed_urls'],
2714 + $status['total_urls'],
2715 + $status['percentage']
2716 + ) . '</p>';
2717 +
2718 + // Show failed URLs count if any
2719 + if ($status['failed_urls'] > 0) {
2720 + $html .= '<p><strong>' . esc_html__('Failed URLs:', 'mxchat') . '</strong> ' . esc_html($status['failed_urls']) . '</p>';
2721 + }
2722 +
2723 + $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
2724 + $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
2725 +
2726 + // Add completion summary if available AND it's an array
2727 + if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
2728 + $summary = $status['completion_summary'];
2729 + $html .= '<div class="mxchat-completion-summary">';
2730 + $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
2731 + $html .= '<p><strong>' . esc_html__('Total URLs:', 'mxchat') . '</strong> ' . esc_html($summary['total_urls']) . '</p>';
2732 + $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_urls']) . '</p>';
2733 + $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_urls']) . '</p>';
2734 + $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
2735 + $html .= '</div>';
2736 + }
2737 +
2738 + // Add error messages if any (but not the failed URLs list)
2739 + if (!empty($status['error']) || !empty($status['last_error'])) {
2740 + $html .= '<div class="mxchat-error-notice">';
2741 +
2742 + if (!empty($status['error'])) {
2743 + $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
2744 + }
2745 +
2746 + if (!empty($status['last_error'])) {
2747 + $html .= '<p class="last-error">' . esc_html__('Last error:', 'mxchat') . ' ' . esc_html($status['last_error']) . '</p>';
2748 + }
2749 +
2750 + $html .= '</div>';
2751 + }
2752 +
2753 + $html .= '</div>'; // End details
2754 + $html .= '</div>'; // End card
2755 +
2756 + return $html;
2757 +}
2758 +
2759 +
2760 +/**
2761 + * Render failed pages list
2762 + */
2763 +private function mxchat_render_failed_pages_list($failed_pages_list) {
2764 + // Validate that $failed_pages_list is an array and not empty
2765 + if (!is_array($failed_pages_list) || empty($failed_pages_list)) {
2766 + return '';
2767 + }
2768 +
2769 + $html = '<div class="mxchat-error-notice">';
2770 + $html .= '<div class="mxchat-failed-pages-container">';
2771 + $html .= '<h5>' . sprintf(esc_html__('Failed Pages (%d)', 'mxchat'), count($failed_pages_list)) . '</h5>';
2772 + $html .= '<details>';
2773 + $html .= '<summary>' . esc_html__('Show Failed Pages', 'mxchat') . '</summary>';
2774 + $html .= '<div class="mxchat-failed-pages-list">';
2775 +
2776 + // Create table for failed pages
2777 + $html .= '<table class="widefat striped">';
2778 + $html .= '<thead><tr>';
2779 + $html .= '<th>' . esc_html__('Page', 'mxchat') . '</th>';
2780 + $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
2781 + $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
2782 + $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
2783 + $html .= '</tr></thead><tbody>';
2784 +
2785 + // Sort failed pages by most recent
2786 + $sorted_failed_pages = $failed_pages_list;
2787 + usort($sorted_failed_pages, function($a, $b) {
2788 + return ($b['time'] ?? 0) - ($a['time'] ?? 0);
2789 + });
2790 +
2791 + foreach ($sorted_failed_pages as $item) {
2792 + // Ensure $item is an array before accessing its elements
2793 + if (!is_array($item)) {
2794 + continue;
2795 + }
2796 +
2797 + $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
2798 + $html .= '<tr>';
2799 + $html .= '<td>' . esc_html__('Page', 'mxchat') . ' ' . esc_html($item['page'] ?? 'Unknown') . '</td>';
2800 + $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
2801 + $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
2802 + $html .= '<td>' . esc_html($time_ago) . '</td>';
2803 + $html .= '</tr>';
2804 + }
2805 +
2806 + $html .= '</tbody></table>';
2807 + $html .= '</div></details></div></div>';
2808 +
2809 + return $html;
2810 +}
2811 +
2812 +/**
2813 + * Render failed URLs list
2814 + */
2815 +private function mxchat_render_failed_urls_list($failed_urls_list) {
2816 + // Validate that $failed_urls_list is an array and not empty
2817 + if (!is_array($failed_urls_list) || empty($failed_urls_list)) {
2818 + return '';
2819 + }
2820 +
2821 + $html = '<div class="mxchat-failed-urls-container">';
2822 + $html .= '<h5>' . sprintf(esc_html__('Failed URLs (%d)', 'mxchat'), count($failed_urls_list)) . '</h5>';
2823 + $html .= '<details>';
2824 + $html .= '<summary>' . esc_html__('Show Failed URLs', 'mxchat') . '</summary>';
2825 + $html .= '<div class="mxchat-failed-urls-list">';
2826 +
2827 + // Create table for failed URLs
2828 + $html .= '<table class="widefat striped">';
2829 + $html .= '<thead><tr>';
2830 + $html .= '<th>' . esc_html__('URL', 'mxchat') . '</th>';
2831 + $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
2832 + $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
2833 + $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
2834 + $html .= '</tr></thead><tbody>';
2835 +
2836 + // Sort failed URLs by most recent
2837 + $sorted_failed_urls = $failed_urls_list;
2838 + usort($sorted_failed_urls, function($a, $b) {
2839 + return ($b['time'] ?? 0) - ($a['time'] ?? 0);
2840 + });
2841 +
2842 + // Show up to 50 failed URLs
2843 + $display_urls = array_slice($sorted_failed_urls, 0, 50);
2844 +
2845 + foreach ($display_urls as $item) {
2846 + // Ensure $item is an array before accessing its elements
2847 + if (!is_array($item)) {
2848 + continue;
2849 + }
2850 +
2851 + $url = $item['url'] ?? '';
2852 + $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
2853 +
2854 + // Truncate URL for display
2855 + $display_url = strlen($url) > 50 ? substr($url, 0, 47) . '...' : $url;
2856 +
2857 + $html .= '<tr>';
2858 + $html .= '<td style="word-break: break-all;">';
2859 + if (!empty($url)) {
2860 + $html .= '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($display_url) . '</a>';
2861 + } else {
2862 + $html .= esc_html__('Unknown URL', 'mxchat');
2863 + }
2864 + $html .= '</td>';
2865 + $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
2866 + $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
2867 + $html .= '<td>' . esc_html($time_ago) . '</td>';
2868 + $html .= '</tr>';
2869 + }
2870 +
2871 + $html .= '</tbody></table>';
2872 +
2873 + if (count($failed_urls_list) > 50) {
2874 + $html .= '<div class="mxchat-failed-urls-more">+ ' .
2875 + (count($failed_urls_list) - 50) .
2876 + ' ' . esc_html__('more failed URLs not shown', 'mxchat') . '</div>';
2877 + }
2878 +
2879 + $html .= '</div></details></div>';
2880 +
2881 + return $html;
2882 +}
2883 +
2884 +/**
2885 + * Get all ACF fields for a specific post
2886 + */
2887 +public function mxchat_get_acf_fields_for_post($post_id) {
2888 + if (!function_exists('get_fields')) {
2889 + return array();
2890 + }
2891 +
2892 + $fields = get_fields($post_id);
2893 + if (!$fields || !is_array($fields)) {
2894 + return array();
2895 + }
2896 +
2897 + return $fields;
2898 +}
2899 +
2900 +/**
2901 + * Format ACF field values for content extraction
2902 + */
2903 +public function mxchat_format_acf_field_value($value, $field_name = '', $post_id = 0) {
2904 + if (empty($value)) {
2905 + return '';
2906 + }
2907 +
2908 + // Handle WP_Post objects first (THIS IS THE KEY FIX)
2909 + if ($value instanceof WP_Post) {
2910 + return $value->post_title ?: '';
2911 + }
2912 +
2913 + // Handle other WP objects
2914 + if (is_object($value)) {
2915 + if (isset($value->post_title)) {
2916 + return $value->post_title;
2917 + } elseif (isset($value->display_name)) {
2918 + return $value->display_name;
2919 + } elseif (isset($value->name)) {
2920 + return $value->name;
2921 + } elseif (method_exists($value, '__toString')) {
2922 + try {
2923 + return (string) $value;
2924 + } catch (Exception $e) {
2925 + return '';
2926 + }
2927 + }
2928 + // For any other objects, return empty string
2929 + return '';
2930 + }
2931 +
2932 + // Handle different ACF field types
2933 + if (is_array($value)) {
2934 + // Check if it's an image/file field
2935 + if (isset($value['url'])) {
2936 + // Image field - return alt text, title, or caption
2937 + if (!empty($value['alt'])) {
2938 + return $value['alt'];
2939 + } elseif (!empty($value['title'])) {
2940 + return $value['title'];
2941 + } elseif (!empty($value['caption'])) {
2942 + return $value['caption'];
2943 + } else {
2944 + return ''; // Don't include just the URL
2945 + }
2946 + }
2947 +
2948 + // Check if it's a post object or relationship field
2949 + if (isset($value['post_title'])) {
2950 + return $value['post_title'];
2951 + }
2952 +
2953 + // Check if it's a user field
2954 + if (isset($value['display_name'])) {
2955 + return $value['display_name'];
2956 + }
2957 +
2958 + // Check if it's a taxonomy term
2959 + if (isset($value['name']) && isset($value['taxonomy'])) {
2960 + return $value['name'];
2961 + }
2962 +
2963 + // Check if it's a select field with label
2964 + if (isset($value['label'])) {
2965 + return $value['label'];
2966 + }
2967 +
2968 + // Check for repeater field or flexible content
2969 + if (is_numeric(key($value))) {
2970 + $sub_values = array();
2971 + foreach ($value as $sub_item) {
2972 + if (is_array($sub_item)) {
2973 + // For repeater/flexible content, extract text values
2974 + $sub_text = $this->mxchat_extract_text_from_acf_array($sub_item);
2975 + if (!empty($sub_text)) {
2976 + $sub_values[] = $sub_text;
2977 + }
2978 + } elseif ($sub_item instanceof WP_Post) {
2979 + // Handle WP_Post objects in arrays
2980 + $sub_values[] = $sub_item->post_title ?: '';
2981 + } else {
2982 + $sub_values[] = (string) $sub_item;
2983 + }
2984 + }
2985 + return implode(', ', array_filter($sub_values));
2986 + }
2987 +
2988 + // For other arrays, try to extract meaningful text
2989 + $text_values = array();
2990 + foreach ($value as $key => $val) {
2991 + if (is_string($val) && !empty(trim($val))) {
2992 + $text_values[] = trim($val);
2993 + } elseif ($val instanceof WP_Post) {
2994 + // Handle WP_Post objects in associative arrays
2995 + $text_values[] = $val->post_title ?: '';
2996 + } elseif (is_array($val) && isset($val['post_title'])) {
2997 + $text_values[] = $val['post_title'];
2998 + } elseif (is_array($val) && isset($val['name'])) {
2999 + $text_values[] = $val['name'];
3000 + }
3001 + }
3002 +
3003 + return implode(', ', array_filter($text_values));
3004 + }
3005 +
3006 + // Handle boolean values
3007 + if (is_bool($value)) {
3008 + return $value ? 'Yes' : 'No';
3009 + }
3010 +
3011 + // Handle numeric values
3012 + if (is_numeric($value)) {
3013 + return (string) $value;
3014 + }
3015 +
3016 + // Handle string values
3017 + if (is_string($value)) {
3018 + return trim($value);
3019 + }
3020 +
3021 + // For anything else that we can't handle, return empty string
3022 + // This prevents the "Object could not be converted to string" error
3023 + return '';
3024 +}
3025 +
3026 +/**
3027 + * Extract text from complex ACF array structures
3028 + */
3029 +private function mxchat_extract_text_from_acf_array($array) {
3030 + if (!is_array($array)) {
3031 + return '';
3032 + }
3033 +
3034 + $text_parts = array();
3035 +
3036 + foreach ($array as $key => $value) {
3037 + if (is_string($value) && !empty(trim($value))) {
3038 + // Skip keys that are likely to be IDs or technical values
3039 + if (!is_numeric($value) || strlen($value) > 10) {
3040 + $text_parts[] = trim($value);
3041 + }
3042 + } elseif ($value instanceof WP_Post) {
3043 + // Handle WP_Post objects
3044 + $text_parts[] = $value->post_title ?: '';
3045 + } elseif (is_array($value)) {
3046 + if (isset($value['post_title'])) {
3047 + $text_parts[] = $value['post_title'];
3048 + } elseif (isset($value['name'])) {
3049 + $text_parts[] = $value['name'];
3050 + } elseif (isset($value['label'])) {
3051 + $text_parts[] = $value['label'];
3052 + }
3053 + } elseif (is_object($value)) {
3054 + // Handle other objects safely
3055 + if (isset($value->post_title)) {
3056 + $text_parts[] = $value->post_title;
3057 + } elseif (isset($value->name)) {
3058 + $text_parts[] = $value->name;
3059 + } elseif (isset($value->display_name)) {
3060 + $text_parts[] = $value->display_name;
3061 + }
3062 + }
3063 + }
3064 +
3065 + return implode(', ', array_filter($text_parts));
3066 +}
3067 +
3068 +public function mxchat_handle_post_update($post_id, $post, $update) {
3069 + // Basic validation checks
3070 + if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
3071 + return;
3072 + }
3073 +
3074 + $post_type = $post->post_type;
3075 +
3076 + // Check if sync is enabled for this post type
3077 + $should_sync = false;
3078 +
3079 + // Check built-in post types first
3080 + if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
3081 + $should_sync = true;
3082 + } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
3083 + $should_sync = true;
3084 + } else {
3085 + // Check custom post types
3086 + $option_name = 'mxchat_auto_sync_' . $post_type;
3087 + if (get_option($option_name) === '1') {
3088 + $should_sync = true;
3089 + }
3090 + }
3091 +
3092 + if (!$should_sync) {
3093 + return;
3094 + }
3095 +
3096 + // Check if we have stored the previous status and URL in our transients
3097 + $previous_status_key = 'mxchat_prev_status_' . $post_id;
3098 + $previous_status = get_transient($previous_status_key);
3099 +
3100 + $previous_url_key = 'mxchat_prev_url_' . $post_id;
3101 + $previous_url = get_transient($previous_url_key);
3102 +
3103 + // If the post was previously published but is now not published, remove from knowledge base
3104 + if ($previous_status === 'publish' && $post->post_status !== 'publish') {
3105 + // Use the stored URL from when it was published, or fall back to current permalink
3106 + $source_url = $previous_url ?: get_permalink($post_id);
3107 +
3108 + if ($source_url) {
3109 + // Check if Pinecone is enabled
3110 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3111 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3112 +
3113 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3114 + // Delete from Pinecone
3115 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
3116 + } else {
3117 + // Delete from WordPress DB
3118 + global $wpdb;
3119 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3120 +
3121 + $result = $wpdb->delete(
3122 + $table_name,
3123 + array('source_url' => $source_url),
3124 + array('%s')
3125 + );
3126 + }
3127 + }
3128 +
3129 + // Clean up the transients and exit early
3130 + delete_transient($previous_status_key);
3131 + delete_transient($previous_url_key);
3132 + return;
3133 + }
3134 +
3135 + // Store the current status for next time (if this is an update)
3136 + if ($update) {
3137 + set_transient($previous_status_key, $post->post_status, DAY_IN_SECONDS);
3138 +
3139 + // If the post is currently published, also store its URL
3140 + if ($post->post_status === 'publish') {
3141 + $current_url = get_permalink($post_id);
3142 + set_transient($previous_url_key, $current_url, DAY_IN_SECONDS);
3143 + }
3144 + }
3145 +
3146 + // Only process currently published content for adding/updating
3147 + if ($post->post_status === 'publish') {
3148 + // Get the source URL
3149 + $source_url = get_permalink($post_id);
3150 +
3151 + // Get content with proper formatting (matching ajax_mxchat_process_selected_content)
3152 + $title = get_the_title($post_id);
3153 + $content = get_post_field('post_content', $post_id);
3154 + $excerpt = get_post_field('post_excerpt', $post_id);
3155 +
3156 + // Strip shortcodes first (removes WPBakery, Elementor, etc.)
3157 + $content = strip_shortcodes($content);
3158 + $excerpt = strip_shortcodes($excerpt);
3159 +
3160 + // Additional regex-based shortcode removal as a safety net
3161 + $content = preg_replace('/\[(\[?)([a-zA-Z0-9_-]+)(?![\w-])([^\]\/]*(?:\/(?!\])[^\]\/]*)*?)(?:(\/)\]|\](?:([^\[]*(?:\[(?!\/\2\])[^\[]*)*)\[\/\2\])?)(\]?)/s', '', $content);
3162 + $excerpt = preg_replace('/\[(\[?)([a-zA-Z0-9_-]+)(?![\w-])([^\]\/]*(?:\/(?!\])[^\]\/]*)*?)(?:(\/)\]|\](?:([^\[]*(?:\[(?!\/\2\])[^\[]*)*)\[\/\2\])?)(\]?)/s', '', $excerpt);
3163 +
3164 + // Strip tags but preserve structure (don't use 'the_content' filter as it may re-add shortcodes)
3165 + $content = wp_strip_all_tags($content);
3166 +
3167 + // Combine title, short description (if exists), and content
3168 + $final_content = $title . "\n\n";
3169 +
3170 + // Add short description if it exists (WooCommerce products use post_excerpt for short description)
3171 + if (!empty($excerpt)) {
3172 + $final_content .= "Short Description: " . wp_strip_all_tags($excerpt) . "\n\n";
3173 + }
3174 +
3175 + $final_content .= $content;
3176 +
3177 + // For WooCommerce products, include pricing and product details
3178 + if ($post_type === 'product' && class_exists('WooCommerce')) {
3179 + $product = wc_get_product($post_id);
3180 +
3181 + if ($product) {
3182 + // Get pricing information
3183 + $regular_price = $product->get_regular_price();
3184 + $sale_price = $product->get_sale_price();
3185 + $price = $product->get_price();
3186 + $sku = $product->get_sku();
3187 +
3188 + // Get currency symbol
3189 + $currency_symbol = get_woocommerce_currency_symbol();
3190 +
3191 + // Add pricing information
3192 + $final_content .= "\n";
3193 + if (!empty($regular_price)) {
3194 + $final_content .= "Price: " . $currency_symbol . $regular_price . "\n";
3195 + } elseif (!empty($price)) {
3196 + $final_content .= "Price: " . $currency_symbol . $price . "\n";
3197 + }
3198 +
3199 + if (!empty($sale_price) && $sale_price !== $regular_price) {
3200 + $final_content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
3201 + }
3202 +
3203 + // Handle variable products - show price range
3204 + if ($product->is_type('variable')) {
3205 + $min_price = $product->get_variation_price('min');
3206 + $max_price = $product->get_variation_price('max');
3207 + if ($min_price !== $max_price) {
3208 + $final_content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
3209 + }
3210 + }
3211 +
3212 + if (!empty($sku)) {
3213 + $final_content .= "SKU: " . $sku . "\n";
3214 + }
3215 +
3216 + // Get product categories
3217 + $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
3218 + if (!empty($categories) && !is_wp_error($categories)) {
3219 + $final_content .= "Categories: " . implode(', ', $categories) . "\n";
3220 + }
3221 + }
3222 + }
3223 +
3224 + // For custom post types like job_listing, include additional fields
3225 + if ($post_type === 'job_listing') {
3226 + // Add job-specific meta if available
3227 + $job_location = get_post_meta($post_id, '_job_location', true);
3228 + if (!empty($job_location)) {
3229 + $final_content .= "\n\nLocation: " . $job_location;
3230 + }
3231 +
3232 + // Get job type terms
3233 + $job_types = get_the_terms($post_id, 'job_listing_type');
3234 + if (!empty($job_types) && !is_wp_error($job_types)) {
3235 + $types = array();
3236 + foreach ($job_types as $type) {
3237 + $types[] = $type->name;
3238 + }
3239 + $final_content .= "\n\nJob Type: " . implode(', ', $types);
3240 + }
3241 +
3242 + // Get company name if available
3243 + $company_name = get_post_meta($post_id, '_company_name', true);
3244 + if (!empty($company_name)) {
3245 + $final_content .= "\n\nCompany: " . $company_name;
3246 + }
3247 + }
3248 +
3249 + // Get API key with proper model detection
3250 + $options = get_option('mxchat_options');
3251 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
3252 +
3253 + if (strpos($selected_model, 'voyage') === 0) {
3254 + $api_key = $options['voyage_api_key'] ?? '';
3255 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
3256 + $api_key = $options['gemini_api_key'] ?? '';
3257 + } else {
3258 + $api_key = $options['api_key'] ?? '';
3259 + }
3260 +
3261 + if (empty($api_key)) {
3262 + return;
3263 + }
3264 +
3265 + // Use the centralized utility function for storage
3266 + $result = MxChat_Utils::submit_content_to_db(
3267 + $final_content,
3268 + $source_url,
3269 + $api_key,
3270 + md5($source_url) // Vector ID for Pinecone
3271 + );
3272 +
3273 + // After successful storage, apply role restriction based on tags
3274 + if (!is_wp_error($result)) {
3275 + $this->apply_role_restriction_to_post($post_id, $source_url);
3276 + }
3277 + }
3278 +
3279 + // Clean up the stored previous status if not used above
3280 + if ($previous_status !== 'publish' || $post->post_status === 'publish') {
3281 + delete_transient($previous_status_key);
3282 + delete_transient($previous_url_key);
3283 + }
3284 +}
3285 +
3286 +/**
3287 + * Store the post status and URL before update to detect status transitions
3288 + * This runs before the post is actually updated in the database
3289 + */
3290 +public function mxchat_store_pre_update_status($post_id, $data) {
3291 + // Get the current post from database (before update)
3292 + $current_post = get_post($post_id);
3293 +
3294 + if ($current_post) {
3295 + // Store the current status temporarily
3296 + $status_key = 'mxchat_prev_status_' . $post_id;
3297 + set_transient($status_key, $current_post->post_status, HOUR_IN_SECONDS);
3298 +
3299 + // If the post is currently published, also store its URL
3300 + if ($current_post->post_status === 'publish') {
3301 + $url_key = 'mxchat_prev_url_' . $post_id;
3302 + $current_url = get_permalink($post_id);
3303 + set_transient($url_key, $current_url, HOUR_IN_SECONDS);
3304 + }
3305 + }
3306 +}
3307 +
3308 +public function mxchat_handle_post_delete($post_id) {
3309 + // Get post data before it's deleted
3310 + $post = get_post($post_id);
3311 +
3312 + // Basic validation
3313 + if (!$post || wp_is_post_revision($post_id)) {
3314 + return;
3315 + }
3316 +
3317 + $post_type = $post->post_type;
3318 +
3319 + // Check if sync is enabled for this post type
3320 + $should_sync = false;
3321 +
3322 + // Check built-in post types first
3323 + if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
3324 + $should_sync = true;
3325 + } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
3326 + $should_sync = true;
3327 + } else {
3328 + // Check custom post types
3329 + $option_name = 'mxchat_auto_sync_' . $post_type;
3330 + if (get_option($option_name) === '1') {
3331 + $should_sync = true;
3332 + }
3333 + }
3334 +
3335 + if (!$should_sync) {
3336 + return;
3337 + }
3338 +
3339 + // Get the URL before post is deleted
3340 + $source_url = get_permalink($post_id);
3341 + if (!$source_url) {
3342 + //error_log('MXChat: Failed to get permalink for post ' . $post_id);
3343 + return;
3344 + }
3345 +
3346 + // Check if Pinecone is enabled
3347 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3348 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3349 +
3350 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3351 + // Delete from Pinecone
3352 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
3353 + } else {
3354 + // Delete from WordPress DB
3355 + global $wpdb;
3356 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3357 +
3358 + $result = $wpdb->delete(
3359 + $table_name,
3360 + array('source_url' => $source_url),
3361 + array('%s')
3362 + );
3363 +
3364 + if ($result === false) {
3365 + //error_log('MXChat: WordPress DB deletion failed for URL: ' . $source_url);
3366 + }
3367 + }
3368 +}
3369 +
3370 +
3371 + /**
3372 + * Deletes data from Pinecone using a source URL
3373 + */
3374 + public function mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options) {
3375 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
3376 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
3377 +
3378 + if (empty($host) || empty($api_key)) {
3379 + //error_log('MXChat: Pinecone deletion failed - missing configuration');
3380 + return false;
3381 + }
3382 +
3383 + $api_endpoint = "https://{$host}/vectors/delete";
3384 + $vector_id = md5($source_url);
3385 +
3386 + $request_body = array(
3387 + 'ids' => array($vector_id)
3388 + );
3389 +
3390 + $response = wp_remote_post($api_endpoint, array(
3391 + 'headers' => array(
3392 + 'Api-Key' => $api_key,
3393 + 'accept' => 'application/json',
3394 + 'content-type' => 'application/json'
3395 + ),
3396 + 'body' => wp_json_encode($request_body),
3397 + 'timeout' => 30
3398 + ));
3399 +
3400 + if (is_wp_error($response)) {
3401 + //error_log('MXChat: Pinecone deletion error - ' . $response->get_error_message());
3402 + return false;
3403 + }
3404 +
3405 + $response_code = wp_remote_retrieve_response_code($response);
3406 + if ($response_code !== 200) {
3407 + //error_log('MXChat: Pinecone deletion failed with status ' . $response_code);
3408 + return false;
3409 + }
3410 +
3411 + return true;
3412 + }
3413 +
3414 +
3415 +
3416 +public function mxchat_handle_product_change($post_id, $post, $update) {
3417 + if ($post->post_type !== 'product') {
3418 + return;
3419 + }
3420 +
3421 + if ($post->post_status === 'publish') {
3422 + add_action('shutdown', function() use ($post_id) {
3423 + $product = wc_get_product($post_id);
3424 + if ($product) {
3425 + $this->mxchat_store_product_embedding($product);
3426 + }
3427 + });
3428 + }
3429 +}
3430 +
3431 +/**
3432 + * Store WooCommerce product embeddings
3433 + */
3434 +private function mxchat_store_product_embedding($product) {
3435 + if (!isset($this->options['enable_woocommerce_integration']) ||
3436 + !in_array($this->options['enable_woocommerce_integration'], ['1', 'on'])) {
3437 + return;
3438 + }
3439 +
3440 + $source_url = get_permalink($product->get_id());
3441 + $product_id = $product->get_id();
3442 +
3443 + // Build product content
3444 + $title = $product->get_name();
3445 + $description = $product->get_description();
3446 + $short_description = $product->get_short_description();
3447 + $regular_price = $product->get_regular_price();
3448 + $sale_price = $product->get_sale_price();
3449 + $price = $product->get_price();
3450 + $sku = $product->get_sku();
3451 +
3452 + // Get currency symbol
3453 + $currency_symbol = get_woocommerce_currency_symbol();
3454 +
3455 + // Format content consistently
3456 + $content = $title . "\n\n";
3457 +
3458 + if (!empty($short_description)) {
3459 + $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
3460 + }
3461 +
3462 + if (!empty($description)) {
3463 + $content .= wp_strip_all_tags($description) . "\n\n";
3464 + }
3465 +
3466 + // Add pricing information
3467 + if (!empty($regular_price)) {
3468 + $content .= "Price: " . $currency_symbol . $regular_price . "\n";
3469 + } elseif (!empty($price)) {
3470 + $content .= "Price: " . $currency_symbol . $price . "\n";
3471 + }
3472 +
3473 + if (!empty($sale_price) && $sale_price !== $regular_price) {
3474 + $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
3475 + }
3476 +
3477 + // Handle variable products - show price range
3478 + if ($product->is_type('variable')) {
3479 + $min_price = $product->get_variation_price('min');
3480 + $max_price = $product->get_variation_price('max');
3481 + if ($min_price !== $max_price) {
3482 + $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
3483 + }
3484 + }
3485 +
3486 + if (!empty($sku)) {
3487 + $content .= "SKU: " . $sku . "\n";
3488 + }
3489 +
3490 + // Get product categories
3491 + $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
3492 + if (!empty($categories) && !is_wp_error($categories)) {
3493 + $content .= "Categories: " . implode(', ', $categories) . "\n";
3494 + }
3495 +
3496 + // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
3497 + $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
3498 + if (!empty($custom_tabs) && is_array($custom_tabs)) {
3499 + foreach ($custom_tabs as $tab) {
3500 + $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
3501 + $tab_content = isset($tab['content']) ? $tab['content'] : '';
3502 +
3503 + if (!empty($tab_title) && !empty($tab_content)) {
3504 + $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
3505 + }
3506 + }
3507 + }
3508 +
3509 + // Also check for reusable/saved tabs applied to this product
3510 + $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
3511 + if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
3512 + // Get the saved tabs option
3513 + $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
3514 + if (!empty($saved_tabs) && is_array($saved_tabs)) {
3515 + foreach ($applied_saved_tabs as $saved_tab_id) {
3516 + if (isset($saved_tabs[$saved_tab_id])) {
3517 + $tab = $saved_tabs[$saved_tab_id];
3518 + $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
3519 + $tab_content = isset($tab['content']) ? $tab['content'] : '';
3520 +
3521 + if (!empty($tab_title) && !empty($tab_content)) {
3522 + $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
3523 + }
3524 + }
3525 + }
3526 + }
3527 + }
3528 +
3529 + // Get API key with proper model detection
3530 + $options = get_option('mxchat_options');
3531 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
3532 +
3533 + if (strpos($selected_model, 'voyage') === 0) {
3534 + $api_key = $options['voyage_api_key'] ?? '';
3535 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
3536 + $api_key = $options['gemini_api_key'] ?? '';
3537 + } else {
3538 + $api_key = $options['api_key'] ?? '';
3539 + }
3540 +
3541 + if (empty($api_key)) {
3542 + //error_log('MxChat Auto-sync: No API key configured for embedding model');
3543 + return;
3544 + }
3545 +
3546 + // Use the centralized utility function for storage
3547 + $result = MxChat_Utils::submit_content_to_db(
3548 + $content,
3549 + $source_url,
3550 + $api_key,
3551 + md5($source_url) // Vector ID for Pinecone
3552 + );
3553 +
3554 + // After successful storage, apply role restriction based on tags
3555 + if (!is_wp_error($result)) {
3556 + $this->apply_role_restriction_to_post($product_id, $source_url);
3557 + }
3558 +
3559 + if (is_wp_error($result)) {
3560 + //error_log('MxChat WooCommerce sync failed for product ' . $product_id . ': ' . $result->get_error_message());
3561 + }
3562 +}
3563 +
3564 +public function mxchat_handle_product_delete($post_id) {
3565 + if (get_post_type($post_id) !== 'product') {
3566 + return;
3567 + }
3568 +
3569 + $source_url = get_permalink($post_id);
3570 +
3571 + // Check if Pinecone is enabled
3572 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3573 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3574 +
3575 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3576 + // Delete from Pinecone
3577 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
3578 + } else {
3579 + // Delete from WordPress DB
3580 + global $wpdb;
3581 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3582 +
3583 + $wpdb->delete(
3584 + $table_name,
3585 + array('source_url' => $source_url),
3586 + array('%s')
3587 + );
3588 + }
3589 +}
3590 +
3591 +/**
3592 + * Handle individual Pinecone content deletion
3593 + */
3594 +public function mxchat_handle_pinecone_prompt_delete() {
3595 + // Check permissions
3596 + if (!current_user_can('manage_options')) {
3597 + wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
3598 + }
3599 +
3600 + // Verify nonce
3601 + if (!isset($_GET['_wpnonce']) || !wp_verify_nonce($_GET['_wpnonce'], 'mxchat_delete_pinecone_prompt_nonce')) {
3602 + wp_die(esc_html__('Security check failed.', 'mxchat'));
3603 + }
3604 +
3605 + $vector_id = isset($_GET['vector_id']) ? sanitize_text_field($_GET['vector_id']) : '';
3606 +
3607 + if (empty($vector_id)) {
3608 + set_transient('mxchat_admin_notice_error',
3609 + esc_html__('Invalid vector ID.', 'mxchat'),
3610 + 30
3611 + );
3612 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3613 + exit;
3614 + }
3615 +
3616 + // Get Pinecone settings
3617 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3618 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3619 +
3620 + if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
3621 + set_transient('mxchat_admin_notice_error',
3622 + esc_html__('Pinecone is not properly configured.', 'mxchat'),
3623 + 30
3624 + );
3625 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3626 + exit;
3627 + }
3628 +
3629 + // Delete from Pinecone
3630 + $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
3631 + $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
3632 + $vector_id,
3633 + $pinecone_options['mxchat_pinecone_api_key'],
3634 + $pinecone_options['mxchat_pinecone_host']
3635 + );
3636 +
3637 + if ($result['success']) {
3638 + // No cache clearing needed since we removed caching
3639 + set_transient('mxchat_admin_notice_success',
3640 + esc_html__('Entry deleted successfully from Pinecone.', 'mxchat'),
3641 + 30
3642 + );
3643 + } else {
3644 + set_transient('mxchat_admin_notice_error',
3645 + esc_html__('Failed to delete entry: ', 'mxchat') . $result['message'],
3646 + 30
3647 + );
3648 + }
3649 +
3650 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3651 + exit;
3652 +}
3653 +/**
3654 + * Handle individual Pinecone content deletion via AJAX
3655 + */
3656 +public function ajax_mxchat_delete_pinecone_prompt() {
3657 + // Verify nonce and permissions
3658 + if (!check_ajax_referer('mxchat_delete_pinecone_prompt_nonce', 'nonce', false)) {
3659 + wp_send_json_error('Invalid nonce');
3660 + exit;
3661 + }
3662 +
3663 + if (!current_user_can('manage_options')) {
3664 + wp_send_json_error('Unauthorized access');
3665 + exit;
3666 + }
3667 +
3668 + $vector_id = isset($_POST['vector_id']) ? sanitize_text_field($_POST['vector_id']) : '';
3669 + $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
3670 +
3671 + if (empty($vector_id)) {
3672 + wp_send_json_error('Missing vector ID');
3673 + exit;
3674 + }
3675 +
3676 + // Get bot-specific Pinecone settings
3677 + $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
3678 + $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
3679 +
3680 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3681 +
3682 + if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
3683 + wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
3684 + exit;
3685 + }
3686 +
3687 + // Delete from the correct Pinecone index
3688 + $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
3689 + $vector_id,
3690 + $pinecone_options['mxchat_pinecone_api_key'],
3691 + $pinecone_options['mxchat_pinecone_host']
3692 + );
3693 +
3694 + if ($result['success']) {
3695 + // No cache clearing needed since we removed caching
3696 + wp_send_json_success(array(
3697 + 'message' => 'Entry deleted successfully from Pinecone',
3698 + 'vector_id' => $vector_id,
3699 + 'bot_id' => $bot_id
3700 + ));
3701 + } else {
3702 + wp_send_json_error('Failed to delete from Pinecone: ' . $result['message']);
3703 + }
3704 +
3705 + exit;
3706 +}
3707 +
3708 +/**
3709 + * Get hierarchical roles for dropdown
3710 + */
3711 +public function mxchat_get_role_options() {
3712 + return array(
3713 + 'public' => __('Public (Everyone)', 'mxchat'),
3714 + 'logged_in' => __('Logged In Users', 'mxchat'),
3715 + 'subscriber' => __('Subscribers & Above', 'mxchat'),
3716 + 'contributor' => __('Contributors & Above', 'mxchat'),
3717 + 'author' => __('Authors & Above', 'mxchat'),
3718 + 'editor' => __('Editors & Above', 'mxchat'),
3719 + 'administrator' => __('Administrators Only', 'mxchat')
3720 + );
3721 +}
3722 +
3723 +/**
3724 + * Check if user has access to content based on role restriction
3725 + */
3726 +public function mxchat_user_has_content_access($role_restriction) {
3727 + // Public content is always accessible
3728 + if ($role_restriction === 'public' || empty($role_restriction)) {
3729 + return true;
3730 + }
3731 +
3732 + // Check if user is logged in for logged_in restriction
3733 + if ($role_restriction === 'logged_in') {
3734 + return is_user_logged_in();
3735 + }
3736 +
3737 + // If not logged in, no access to role-restricted content
3738 + if (!is_user_logged_in()) {
3739 + return false;
3740 + }
3741 +
3742 + $user = wp_get_current_user();
3743 + $user_roles = $user->roles;
3744 +
3745 + if (empty($user_roles)) {
3746 + return false;
3747 + }
3748 +
3749 + // Define role hierarchy (higher number = higher access)
3750 + $hierarchy = array(
3751 + 'subscriber' => 1,
3752 + 'contributor' => 2,
3753 + 'author' => 3,
3754 + 'editor' => 4,
3755 + 'administrator' => 5
3756 + );
3757 +
3758 + // Get required level
3759 + $required_level = isset($hierarchy[$role_restriction]) ? $hierarchy[$role_restriction] : 0;
3760 +
3761 + // Check if user has required level or higher
3762 + foreach ($user_roles as $user_role) {
3763 + $user_level = isset($hierarchy[$user_role]) ? $hierarchy[$user_role] : 0;
3764 + if ($user_level >= $required_level) {
3765 + return true;
3766 + }
3767 + }
3768 +
3769 + return false;
3770 +}
3771 +
3772 +/**
3773 + * Handle role restriction updates via AJAX
3774 + * Removed cache clearing call since we removed caching
3775 + */
3776 +public function ajax_mxchat_update_role_restriction() {
3777 + // Verify nonce and permissions
3778 + if (!check_ajax_referer('mxchat_update_role_nonce', 'nonce', false)) {
3779 + wp_send_json_error('Invalid nonce');
3780 + exit;
3781 + }
3782 +
3783 + if (!current_user_can('manage_options')) {
3784 + wp_send_json_error('Unauthorized access');
3785 + exit;
3786 + }
3787 +
3788 + $entry_id = isset($_POST['entry_id']) ? sanitize_text_field($_POST['entry_id']) : '';
3789 + $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
3790 + $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
3791 +
3792 + if (empty($entry_id)) {
3793 + wp_send_json_error('Invalid entry ID');
3794 + exit;
3795 + }
3796 +
3797 + // Get knowledge manager instance to validate role restriction
3798 + $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
3799 + $valid_roles = array_keys($knowledge_manager->mxchat_get_role_options());
3800 + if (!in_array($role_restriction, $valid_roles)) {
3801 + wp_send_json_error('Invalid role restriction');
3802 + exit;
3803 + }
3804 +
3805 + global $wpdb;
3806 +
3807 + if ($data_source === 'pinecone') {
3808 + // Handle Pinecone role restriction (stored separately in WordPress table)
3809 + $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
3810 +
3811 + // Use REPLACE to insert or update the role restriction
3812 + $result = $wpdb->replace(
3813 + $roles_table,
3814 + array(
3815 + 'vector_id' => $entry_id,
3816 + 'role_restriction' => $role_restriction,
3817 + 'updated_at' => current_time('mysql')
3818 + ),
3819 + array('%s', '%s', '%s')
3820 + );
3821 +
3822 + // No cache clearing needed since we removed caching
3823 +
3824 + } else {
3825 + // Handle WordPress database role restriction (existing functionality)
3826 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3827 +
3828 + $result = $wpdb->update(
3829 + $table_name,
3830 + array('role_restriction' => $role_restriction),
3831 + array('id' => absint($entry_id)),
3832 + array('%s'),
3833 + array('%d')
3834 + );
3835 + }
3836 +
3837 + if ($result === false) {
3838 + wp_send_json_error('Database update failed: ' . $wpdb->last_error);
3839 + exit;
3840 + }
3841 +
3842 + wp_send_json_success(array(
3843 + 'message' => 'Role restriction updated successfully',
3844 + 'role_restriction' => $role_restriction,
3845 + 'data_source' => $data_source,
3846 + 'entry_id' => $entry_id
3847 + ));
3848 + exit;
3849 +}
3850 +
3851 +// ========================================
3852 +// ROLE-BASED CONTENT RESTRICTIONS - NEW FUNCTIONS
3853 +// Add these to your MxChat_Knowledge_Manager class
3854 +// ========================================
3855 +
3856 +/**
3857 + * Initialize role-based content hooks
3858 + * Add this call to your __construct() or mxchat_init_hooks() method
3859 + */
3860 +private function mxchat_init_role_hooks() {
3861 + // AJAX handlers for tag-role mappings
3862 + add_action('wp_ajax_mxchat_add_tag_role_mapping', array($this, 'ajax_add_tag_role_mapping'));
3863 + add_action('wp_ajax_mxchat_delete_tag_role_mapping', array($this, 'ajax_delete_tag_role_mapping'));
3864 + add_action('wp_ajax_mxchat_get_tag_role_mappings', array($this, 'ajax_get_tag_role_mappings'));
3865 + add_action('wp_ajax_mxchat_bulk_update_tag_roles', array($this, 'ajax_bulk_update_tag_roles'));
3866 +
3867 + // Hook to automatically update role restrictions when tags are added/removed
3868 + add_action('set_object_terms', array($this, 'handle_tag_change'), 10, 6);
3869 +
3870 + // Hook to apply role restrictions on auto-sync
3871 + add_action('mxchat_content_stored', array($this, 'apply_role_restriction_after_storage'), 10, 2);
3872 +}
3873 +
3874 +/**
3875 + * Add tag-role mapping via AJAX
3876 + */
3877 +public function ajax_add_tag_role_mapping() {
3878 + // Verify nonce and permissions
3879 + check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
3880 +
3881 + if (!current_user_can('manage_options')) {
3882 + wp_send_json_error('Unauthorized access');
3883 + exit;
3884 + }
3885 +
3886 + $tag_slug = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
3887 + $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
3888 +
3889 + if (empty($tag_slug)) {
3890 + wp_send_json_error('Tag slug is required');
3891 + exit;
3892 + }
3893 +
3894 + // Validate role restriction
3895 + $valid_roles = array_keys($this->mxchat_get_role_options());
3896 + if (!in_array($role_restriction, $valid_roles)) {
3897 + wp_send_json_error('Invalid role restriction');
3898 + exit;
3899 + }
3900 +
3901 + // Check if tag exists in WordPress
3902 + $term = get_term_by('slug', $tag_slug, 'post_tag');
3903 + if (!$term) {
3904 + wp_send_json_error('Tag does not exist in WordPress');
3905 + exit;
3906 + }
3907 +
3908 + // Get existing mappings
3909 + $mappings = get_option('mxchat_tag_role_mappings', array());
3910 +
3911 + // Check if mapping already exists
3912 + if (isset($mappings[$tag_slug])) {
3913 + wp_send_json_error('Mapping for this tag already exists');
3914 + exit;
3915 + }
3916 +
3917 + // Add new mapping
3918 + $mappings[$tag_slug] = $role_restriction;
3919 + update_option('mxchat_tag_role_mappings', $mappings);
3920 +
3921 + wp_send_json_success(array(
3922 + 'message' => 'Tag-role mapping added successfully',
3923 + 'tag_slug' => $tag_slug,
3924 + 'role_restriction' => $role_restriction
3925 + ));
3926 + exit;
3927 +}
3928 +
3929 +/**
3930 + * Delete tag-role mapping via AJAX
3931 + */
3932 +public function ajax_delete_tag_role_mapping() {
3933 + // Verify nonce and permissions
3934 + check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
3935 +
3936 + if (!current_user_can('manage_options')) {
3937 + wp_send_json_error('Unauthorized access');
3938 + exit;
3939 + }
3940 +
3941 + $tag_slug = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
3942 +
3943 + if (empty($tag_slug)) {
3944 + wp_send_json_error('Tag slug is required');
3945 + exit;
3946 + }
3947 +
3948 + // Get existing mappings
3949 + $mappings = get_option('mxchat_tag_role_mappings', array());
3950 +
3951 + // Check if mapping exists
3952 + if (!isset($mappings[$tag_slug])) {
3953 + wp_send_json_error('Mapping does not exist');
3954 + exit;
3955 + }
3956 +
3957 + // Remove mapping
3958 + unset($mappings[$tag_slug]);
3959 + update_option('mxchat_tag_role_mappings', $mappings);
3960 +
3961 + wp_send_json_success(array(
3962 + 'message' => 'Tag-role mapping deleted successfully',
3963 + 'tag_slug' => $tag_slug
3964 + ));
3965 + exit;
3966 +}
3967 +
3968 +/**
3969 + * Get all tag-role mappings via AJAX
3970 + */
3971 +public function ajax_get_tag_role_mappings() {
3972 + // Verify nonce and permissions
3973 + check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
3974 +
3975 + if (!current_user_can('manage_options')) {
3976 + wp_send_json_error('Unauthorized access');
3977 + exit;
3978 + }
3979 +
3980 + // Get mappings
3981 + $mappings = get_option('mxchat_tag_role_mappings', array());
3982 + $role_options = $this->mxchat_get_role_options();
3983 +
3984 + $formatted_mappings = array();
3985 +
3986 + foreach ($mappings as $tag_slug => $role_restriction) {
3987 + // Get tag object
3988 + $term = get_term_by('slug', $tag_slug, 'post_tag');
3989 +
3990 + // Count posts with this tag
3991 + $post_count = 0;
3992 + if ($term) {
3993 + $post_count = $term->count;
3994 + }
3995 +
3996 + $formatted_mappings[] = array(
3997 + 'tag_slug' => $tag_slug,
3998 + 'role_restriction' => $role_restriction,
3999 + 'role_label' => $role_options[$role_restriction] ?? $role_restriction,
4000 + 'post_count' => $post_count
4001 + );
4002 + }
4003 +
4004 + wp_send_json_success(array(
4005 + 'mappings' => $formatted_mappings
4006 + ));
4007 + exit;
4008 +}
4009 +
4010 +/**
4011 + * Bulk update role restrictions for all existing content with mapped tags
4012 + */
4013 +public function ajax_bulk_update_tag_roles() {
4014 + // Verify nonce and permissions
4015 + check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
4016 +
4017 + if (!current_user_can('manage_options')) {
4018 + wp_send_json_error('Unauthorized access');
4019 + exit;
4020 + }
4021 +
4022 + // Get mappings
4023 + $mappings = get_option('mxchat_tag_role_mappings', array());
4024 +
4025 + if (empty($mappings)) {
4026 + wp_send_json_error('No tag-role mappings found');
4027 + exit;
4028 + }
4029 +
4030 + global $wpdb;
4031 +
4032 + // Check if using Pinecone
4033 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4034 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4035 +
4036 + $updated_count = 0;
4037 + $details = array();
4038 +
4039 + foreach ($mappings as $tag_slug => $role_restriction) {
4040 + // Get all posts with this tag
4041 + $posts = get_posts(array(
4042 + 'tag' => $tag_slug,
4043 + 'post_type' => 'any',
4044 + 'posts_per_page' => -1,
4045 + 'fields' => 'ids',
4046 + 'post_status' => 'publish'
4047 + ));
4048 +
4049 + if (empty($posts)) {
4050 + continue;
4051 + }
4052 +
4053 + $tag_updated = 0;
4054 +
4055 + foreach ($posts as $post_id) {
4056 + $source_url = get_permalink($post_id);
4057 + if (!$source_url) {
4058 + continue;
4059 + }
4060 +
4061 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
4062 + // Update Pinecone role restriction
4063 + $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
4064 + $vector_id = md5($source_url);
4065 +
4066 + $result = $wpdb->replace(
4067 + $roles_table,
4068 + array(
4069 + 'vector_id' => $vector_id,
4070 + 'role_restriction' => $role_restriction,
4071 + 'updated_at' => current_time('mysql')
4072 + ),
4073 + array('%s', '%s', '%s')
4074 + );
4075 + } else {
4076 + // Update WordPress DB
4077 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4078 +
4079 + $result = $wpdb->update(
4080 + $table_name,
4081 + array('role_restriction' => $role_restriction),
4082 + array('source_url' => $source_url),
4083 + array('%s'),
4084 + array('%s')
4085 + );
4086 + }
4087 +
4088 + if ($result !== false) {
4089 + $tag_updated++;
4090 + $updated_count++;
4091 + }
4092 + }
4093 +
4094 + if ($tag_updated > 0) {
4095 + $details[] = sprintf(
4096 + 'Tag "%s" (%s): %d posts updated',
4097 + $tag_slug,
4098 + $role_restriction,
4099 + $tag_updated
4100 + );
4101 + }
4102 + }
4103 +
4104 + wp_send_json_success(array(
4105 + 'message' => 'Bulk update completed',
4106 + 'updated_count' => $updated_count,
4107 + 'tags_processed' => count($mappings),
4108 + 'details' => $details
4109 + ));
4110 + exit;
4111 +}
4112 +
4113 +/**
4114 + * Handle tag changes on posts (when tags are added or removed)
4115 + */
4116 +public function handle_tag_change($object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids) {
4117 + // Only process post tags
4118 + if ($taxonomy !== 'post_tag') {
4119 + return;
4120 + }
4121 +
4122 + // Get tag-role mappings
4123 + $mappings = get_option('mxchat_tag_role_mappings', array());
4124 +
4125 + if (empty($mappings)) {
4126 + return;
4127 + }
4128 +
4129 + // Get the post's URL
4130 + $source_url = get_permalink($object_id);
4131 + if (!$source_url) {
4132 + return;
4133 + }
4134 +
4135 + // Determine the highest role restriction based on tags
4136 + $highest_role = 'public';
4137 + $role_hierarchy = array(
4138 + 'public' => 0,
4139 + 'logged_in' => 1,
4140 + 'subscriber' => 2,
4141 + 'contributor' => 3,
4142 + 'author' => 4,
4143 + 'editor' => 5,
4144 + 'administrator' => 6
4145 + );
4146 +
4147 + // Get all current tags for the post
4148 + $current_tags = wp_get_post_tags($object_id, array('fields' => 'slugs'));
4149 +
4150 + // Find the highest role restriction among the tags
4151 + foreach ($current_tags as $tag_slug) {
4152 + if (isset($mappings[$tag_slug])) {
4153 + $role = $mappings[$tag_slug];
4154 + if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
4155 + $highest_role = $role;
4156 + }
4157 + }
4158 + }
4159 +
4160 + // Update the role restriction in the database
4161 + global $wpdb;
4162 +
4163 + // Check if using Pinecone
4164 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4165 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4166 +
4167 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
4168 + // Update Pinecone role restriction
4169 + $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
4170 + $vector_id = md5($source_url);
4171 +
4172 + $wpdb->replace(
4173 + $roles_table,
4174 + array(
4175 + 'vector_id' => $vector_id,
4176 + 'role_restriction' => $highest_role,
4177 + 'updated_at' => current_time('mysql')
4178 + ),
4179 + array('%s', '%s', '%s')
4180 + );
4181 + } else {
4182 + // Update WordPress DB
4183 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4184 +
4185 + $wpdb->update(
4186 + $table_name,
4187 + array('role_restriction' => $highest_role),
4188 + array('source_url' => $source_url),
4189 + array('%s'),
4190 + array('%s')
4191 + );
4192 + }
4193 +}
4194 +
4195 +/**
4196 + * Apply role restriction after content is stored (for auto-sync)
4197 + */
4198 +public function apply_role_restriction_after_storage($post_id, $source_url) {
4199 + // Get tag-role mappings
4200 + $mappings = get_option('mxchat_tag_role_mappings', array());
4201 +
4202 + if (empty($mappings)) {
4203 + return;
4204 + }
4205 +
4206 + // Get all tags for the post
4207 + $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
4208 +
4209 + if (empty($post_tags)) {
4210 + return;
4211 + }
4212 +
4213 + // Determine the highest role restriction based on tags
4214 + $highest_role = 'public';
4215 + $role_hierarchy = array(
4216 + 'public' => 0,
4217 + 'logged_in' => 1,
4218 + 'subscriber' => 2,
4219 + 'contributor' => 3,
4220 + 'author' => 4,
4221 + 'editor' => 5,
4222 + 'administrator' => 6
4223 + );
4224 +
4225 + foreach ($post_tags as $tag_slug) {
4226 + if (isset($mappings[$tag_slug])) {
4227 + $role = $mappings[$tag_slug];
4228 + if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
4229 + $highest_role = $role;
4230 + }
4231 + }
4232 + }
4233 +
4234 + // If no restricted tags found, return (leave as public)
4235 + if ($highest_role === 'public') {
4236 + return;
4237 + }
4238 +
4239 + // Update the role restriction
4240 + global $wpdb;
4241 +
4242 + // Check if using Pinecone
4243 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
4244 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
4245 +
4246 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
4247 + // Update Pinecone role restriction
4248 + $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
4249 + $vector_id = md5($source_url);
4250 +
4251 + $wpdb->replace(
4252 + $roles_table,
4253 + array(
4254 + 'vector_id' => $vector_id,
4255 + 'role_restriction' => $highest_role,
4256 + 'updated_at' => current_time('mysql')
4257 + ),
4258 + array('%s', '%s', '%s')
4259 + );
4260 + } else {
4261 + // Update WordPress DB
4262 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
4263 +
4264 + $wpdb->update(
4265 + $table_name,
4266 + array('role_restriction' => $highest_role),
4267 + array('source_url' => $source_url),
4268 + array('%s'),
4269 + array('%s')
4270 + );
4271 + }
4272 +}
4273 +
4274 +
4275 + // ========================================
4276 + // HELPER METHODS
4277 + // ========================================
4278 +
4279 + /**
4280 + * Check if user has required permissions for content processing
4281 + */
4282 + private function mxchat_check_user_permissions() {
4283 + if (!current_user_can('manage_options')) {
4284 + wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
4285 + }
4286 + }
4287 +
4288 + /**
4289 + * Validate nonce for security
4290 + */
4291 + private function mxchat_validate_nonce($nonce_name, $nonce_action) {
4292 + if (!isset($_POST[$nonce_name]) || !wp_verify_nonce($_POST[$nonce_name], $nonce_action)) {
4293 + wp_die(esc_html__('Security check failed.', 'mxchat'));
4294 + }
4295 + }
4296 +
4297 + /**
4298 + * Get embedding API credentials
4299 + */
4300 + private function mxchat_get_embedding_credentials() {
4301 + $embedding_model = $this->options['embedding_model'] ?? 'text-embedding-ada-002';
4302 +
4303 + if (strpos($embedding_model, 'text-embedding-') !== false) {
4304 + return array(
4305 + 'type' => 'openai',
4306 + 'api_key' => $this->options['api_key'] ?? ''
4307 + );
4308 + } elseif (strpos($embedding_model, 'voyage-') !== false) {
4309 + return array(
4310 + 'type' => 'voyage',
4311 + 'api_key' => $this->options['voyage_api_key'] ?? ''
4312 + );
4313 + } elseif (strpos($embedding_model, 'gemini-embedding-') !== false) {
4314 + return array(
4315 + 'type' => 'gemini',
4316 + 'api_key' => $this->options['gemini_api_key'] ?? ''
4317 + );
4318 + }
4319 +
4320 + return array('type' => 'unknown', 'api_key' => '');
4321 + }
4322 +
4323 + /**
4324 + * Log processing errors
4325 + */
4326 + private function mxchat_log_processing_error($operation, $error_message) {
4327 + //error_log("MxChat Knowledge Processing {$operation} Error: " . $error_message);
4328 + }
4329 +
4330 + /**
4331 + * Set admin notice transient
4332 + */
4333 + private function mxchat_set_admin_notice($type, $message) {
4334 + set_transient("mxchat_admin_notice_{$type}", $message, 30);
4335 + }
4336 +
4337 + /**
4338 + * Get Pinecone manager instance for vector operations
4339 + */
4340 + private function mxchat_get_pinecone_manager() {
4341 + return MxChat_Pinecone_Manager::get_instance();
4342 + }
4343 +
4344 +
4345 + // ========================================
4346 +// DATABASE QUEUE TABLE MANAGEMENT
4347 +// ========================================
4348 +
4349 +/**
4350 + * Create queue table on plugin activation
4351 + * Call this from your plugin activation hook
4352 + */
4353 +public function mxchat_create_queue_table() {
4354 + global $wpdb;
4355 +
4356 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
4357 + $charset_collate = $wpdb->get_charset_collate();
4358 +
4359 + $sql = "CREATE TABLE IF NOT EXISTS $table_name (
4360 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
4361 + queue_id varchar(64) NOT NULL,
4362 + item_type varchar(20) NOT NULL,
4363 + item_data longtext NOT NULL,
4364 + status varchar(20) NOT NULL DEFAULT 'pending',
4365 + bot_id varchar(50) NOT NULL DEFAULT 'default',
4366 + priority int(11) NOT NULL DEFAULT 0,
4367 + attempts int(11) NOT NULL DEFAULT 0,
4368 + max_attempts int(11) NOT NULL DEFAULT 3,
4369 + error_message text DEFAULT NULL,
4370 + created_at datetime NOT NULL,
4371 + started_at datetime DEFAULT NULL,
4372 + completed_at datetime DEFAULT NULL,
4373 + PRIMARY KEY (id),
4374 + KEY queue_id (queue_id),
4375 + KEY status (status),
4376 + KEY item_type (item_type),
4377 + KEY priority (priority)
4378 + ) $charset_collate;";
4379 +
4380 + require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
4381 + dbDelta($sql);
4382 +
4383 + // Also create a meta table for queue metadata
4384 + $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
4385 +
4386 + $meta_sql = "CREATE TABLE IF NOT EXISTS $meta_table (
4387 + id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
4388 + queue_id varchar(64) NOT NULL,
4389 + meta_key varchar(255) NOT NULL,
4390 + meta_value longtext,
4391 + PRIMARY KEY (id),
4392 + KEY queue_id (queue_id),
4393 + KEY meta_key (meta_key)
4394 + ) $charset_collate;";
4395 +
4396 + dbDelta($meta_sql);
4397 +}
4398 +
4399 +/**
4400 + * Add items to the processing queue
4401 + *
4402 + * @param string $queue_id Unique identifier for this queue batch
4403 + * @param string $item_type Type of item (url, pdf_page)
4404 + * @param array $items Array of items to queue
4405 + * @param string $bot_id Bot ID for processing
4406 + * @return int Number of items queued
4407 + */
4408 +private function mxchat_add_to_queue($queue_id, $item_type, $items, $bot_id = 'default') {
4409 + global $wpdb;
4410 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
4411 +
4412 + $queued_count = 0;
4413 + $priority = 0;
4414 +
4415 + foreach ($items as $item) {
4416 + $result = $wpdb->insert(
4417 + $table_name,
4418 + array(
4419 + 'queue_id' => $queue_id,
4420 + 'item_type' => $item_type,
4421 + 'item_data' => wp_json_encode($item),
4422 + 'status' => 'pending',
4423 + 'bot_id' => $bot_id,
4424 + 'priority' => $priority,
4425 + 'attempts' => 0,
4426 + 'max_attempts' => 3,
4427 + 'created_at' => current_time('mysql')
4428 + ),
4429 + array('%s', '%s', '%s', '%s', '%s', '%d', '%d', '%d', '%s')
4430 + );
4431 +
4432 + if ($result) {
4433 + $queued_count++;
4434 + }
4435 +
4436 + $priority++; // Process in order
4437 + }
4438 +
4439 + return $queued_count;
4440 +}
4441 +
4442 +/**
4443 + * Store queue metadata (total counts, source URL, etc.)
4444 + */
4445 +private function mxchat_set_queue_meta($queue_id, $meta_key, $meta_value) {
4446 + global $wpdb;
4447 + $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
4448 +
4449 + // Check if meta exists
4450 + $existing = $wpdb->get_var($wpdb->prepare(
4451 + "SELECT id FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
4452 + $queue_id,
4453 + $meta_key
4454 + ));
4455 +
4456 + if ($existing) {
4457 + // Update
4458 + $wpdb->update(
4459 + $meta_table,
4460 + array('meta_value' => maybe_serialize($meta_value)),
4461 + array('queue_id' => $queue_id, 'meta_key' => $meta_key),
4462 + array('%s'),
4463 + array('%s', '%s')
4464 + );
4465 + } else {
4466 + // Insert
4467 + $wpdb->insert(
4468 + $meta_table,
4469 + array(
4470 + 'queue_id' => $queue_id,
4471 + 'meta_key' => $meta_key,
4472 + 'meta_value' => maybe_serialize($meta_value)
4473 + ),
4474 + array('%s', '%s', '%s')
4475 + );
4476 + }
4477 +}
4478 +
4479 +/**
4480 + * Get queue metadata
4481 + */
4482 +private function mxchat_get_queue_meta($queue_id, $meta_key) {
4483 + global $wpdb;
4484 + $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
4485 +
4486 + $value = $wpdb->get_var($wpdb->prepare(
4487 + "SELECT meta_value FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
4488 + $queue_id,
4489 + $meta_key
4490 + ));
4491 +
4492 + return maybe_unserialize($value);
4493 +}
4494 +
4495 +// ========================================
4496 +// AJAX QUEUE PROCESSING HANDLERS
4497 +// ========================================
4498 +
4499 +/**
4500 + * AJAX: Get next item from queue to process
4501 + */
4502 +public function ajax_mxchat_get_next_queue_item() {
4503 + // Verify nonce and permissions
4504 + check_ajax_referer('mxchat_queue_nonce', 'nonce');
4505 +
4506 + if (!current_user_can('manage_options')) {
4507 + wp_send_json_error('Unauthorized access');
4508 + }
4509 +
4510 + $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
4511 +
4512 + if (empty($queue_id)) {
4513 + wp_send_json_error('Missing queue ID');
4514 + }
4515 +
4516 + global $wpdb;
4517 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
4518 +
4519 + // Get next pending item with retry logic for failed items
4520 + $next_item = $wpdb->get_row($wpdb->prepare(
4521 + "SELECT * FROM $table_name
4522 + WHERE queue_id = %s
4523 + AND status IN ('pending', 'failed')
4524 + AND attempts < max_attempts
4525 + ORDER BY priority ASC, id ASC
4526 + LIMIT 1",
4527 + $queue_id
4528 + ));
4529 +
4530 + if (!$next_item) {
4531 + // No more items - queue complete
4532 + wp_send_json_success(array(
4533 + 'complete' => true,
4534 + 'message' => 'Queue processing complete'
4535 + ));
4536 + }
4537 +
4538 + // Mark item as processing
4539 + $wpdb->update(
4540 + $table_name,
4541 + array(
4542 + 'status' => 'processing',
4543 + 'started_at' => current_time('mysql'),
4544 + 'attempts' => $next_item->attempts + 1
4545 + ),
4546 + array('id' => $next_item->id),
4547 + array('%s', '%s', '%d'),
4548 + array('%d')
4549 + );
4550 +
4551 + wp_send_json_success(array(
4552 + 'complete' => false,
4553 + 'item' => array(
4554 + 'id' => $next_item->id,
4555 + 'type' => $next_item->item_type,
4556 + 'data' => json_decode($next_item->item_data, true),
4557 + 'bot_id' => $next_item->bot_id,
4558 + 'attempt' => $next_item->attempts + 1
4559 + )
4560 + ));
4561 +}
4562 +
4563 +/**
4564 + * AJAX: Process a single queue item
4565 + */
4566 +public function ajax_mxchat_process_queue_item() {
4567 + // Verify nonce and permissions
4568 + check_ajax_referer('mxchat_queue_nonce', 'nonce');
4569 +
4570 + if (!current_user_can('manage_options')) {
4571 + wp_send_json_error('Unauthorized access');
4572 + }
4573 +
4574 + $item_id = isset($_POST['item_id']) ? absint($_POST['item_id']) : 0;
4575 + $item_type = isset($_POST['item_type']) ? sanitize_text_field($_POST['item_type']) : '';
4576 + $item_data = isset($_POST['item_data']) ? $_POST['item_data'] : array();
4577 + $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
4578 +
4579 + if (empty($item_id) || empty($item_type)) {
4580 + wp_send_json_error('Missing item data');
4581 + }
4582 +
4583 + global $wpdb;
4584 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
4585 +
4586 + // Process based on item type
4587 + try {
4588 + set_time_limit(60); // Give processing 60 seconds
4589 +
4590 + $result = false;
4591 + $error_message = '';
4592 +
4593 + switch ($item_type) {
4594 + case 'url':
4595 + $result = $this->mxchat_process_queue_url($item_data, $bot_id);
4596 + break;
4597 +
4598 + case 'pdf_page':
4599 + $result = $this->mxchat_process_queue_pdf_page($item_data, $bot_id);
4600 + break;
4601 +
4602 + default:
4603 + throw new Exception('Unknown item type: ' . $item_type);
4604 + }
4605 +
4606 + if (is_wp_error($result)) {
4607 + throw new Exception($result->get_error_message());
4608 + }
4609 +
4610 + if ($result === false) {
4611 + throw new Exception('Processing returned false - item may be empty or invalid');
4612 + }
4613 +
4614 + // Mark as completed
4615 + $wpdb->update(
4616 + $table_name,
4617 + array(
4618 + 'status' => 'completed',
4619 + 'completed_at' => current_time('mysql'),
4620 + 'error_message' => null
4621 + ),
4622 + array('id' => $item_id),
4623 + array('%s', '%s', '%s'),
4624 + array('%d')
4625 + );
4626 +
4627 + wp_send_json_success(array(
4628 + 'processed' => true,
4629 + 'item_id' => $item_id,
4630 + 'message' => 'Item processed successfully'
4631 + ));
4632 +
4633 + } catch (Exception $e) {
4634 + $error_message = $e->getMessage();
4635 +
4636 + // Get current attempt count
4637 + $item = $wpdb->get_row($wpdb->prepare(
4638 + "SELECT attempts, max_attempts FROM $table_name WHERE id = %d",
4639 + $item_id
4640 + ));
4641 +
4642 + // Check if we've exhausted retries
4643 + if ($item && $item->attempts >= $item->max_attempts) {
4644 + // Permanently failed
4645 + $wpdb->update(
4646 + $table_name,
4647 + array(
4648 + 'status' => 'failed',
4649 + 'error_message' => $error_message
4650 + ),
4651 + array('id' => $item_id),
4652 + array('%s', '%s'),
4653 + array('%d')
4654 + );
4655 +
4656 + wp_send_json_error(array(
4657 + 'message' => 'Item failed after maximum attempts: ' . $error_message,
4658 + 'permanent_failure' => true,
4659 + 'item_id' => $item_id
4660 + ));
4661 + } else {
4662 + // Mark for retry
4663 + $wpdb->update(
4664 + $table_name,
4665 + array(
4666 + 'status' => 'failed',
4667 + 'error_message' => $error_message
4668 + ),
4669 + array('id' => $item_id),
4670 + array('%s', '%s'),
4671 + array('%d')
4672 + );
4673 +
4674 + wp_send_json_error(array(
4675 + 'message' => 'Item processing failed, will retry: ' . $error_message,
4676 + 'can_retry' => true,
4677 + 'item_id' => $item_id,
4678 + 'attempts' => $item ? $item->attempts : 0
4679 + ));
4680 + }
4681 + }
4682 +}
4683 +
4684 +/**
4685 + * Process a URL from the queue
4686 + */
4687 +private function mxchat_process_queue_url($item_data, $bot_id = 'default') {
4688 + $url = isset($item_data['url']) ? $item_data['url'] : '';
4689 +
4690 + if (empty($url)) {
4691 + return new WP_Error('invalid_url', 'URL is empty');
4692 + }
4693 +
4694 + // Get bot-specific API key early (needed for both paths)
4695 + $bot_options = $this->get_bot_options($bot_id);
4696 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
4697 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4698 +
4699 + if (strpos($selected_model, 'voyage') === 0) {
4700 + $api_key = $options['voyage_api_key'] ?? '';
4701 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
4702 + $api_key = $options['gemini_api_key'] ?? '';
4703 + } else {
4704 + $api_key = $options['api_key'] ?? '';
4705 + }
4706 +
4707 + if (empty($api_key)) {
4708 + return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
4709 + }
4710 +
4711 + // Check if this is a WooCommerce product URL and WooCommerce is active
4712 + $is_product_url = (strpos($url, '/product/') !== false || strpos($url, '/shop/') !== false);
4713 + $content_type = $is_product_url ? 'product' : 'url';
4714 +
4715 + // Try to get WooCommerce product data if it's a product URL
4716 + if ($is_product_url && class_exists('WooCommerce')) {
4717 + $product_content = $this->mxchat_extract_woocommerce_product_content($url);
4718 +
4719 + if (!empty($product_content)) {
4720 + // Successfully extracted WooCommerce product data with pricing
4721 + $result = MxChat_Utils::submit_content_to_db(
4722 + $product_content,
4723 + $url,
4724 + $api_key,
4725 + null,
4726 + $bot_id,
4727 + 'product'
4728 + );
4729 + return $result;
4730 + }
4731 + // If WooCommerce extraction failed, fall through to HTML extraction
4732 + }
4733 +
4734 + // Fetch URL content (fallback for non-products or when WooCommerce extraction fails)
4735 + $response = wp_remote_get($url, array(
4736 + 'timeout' => 30,
4737 + 'redirection' => 5,
4738 + 'user-agent' => 'MxChat/1.0'
4739 + ));
4740 +
4741 + if (is_wp_error($response)) {
4742 + return $response;
4743 + }
4744 +
4745 + $response_code = wp_remote_retrieve_response_code($response);
4746 + if ($response_code !== 200) {
4747 + return new WP_Error('http_error', 'HTTP ' . $response_code . ' error');
4748 + }
4749 +
4750 + $html = wp_remote_retrieve_body($response);
4751 +
4752 + if (empty($html)) {
4753 + return new WP_Error('empty_response', 'Empty response body');
4754 + }
4755 +
4756 + // Extract and sanitize content
4757 + $content = $this->mxchat_extract_main_content($html);
4758 + $sanitized = $this->mxchat_sanitize_content_for_api($content);
4759 +
4760 + if (empty($sanitized)) {
4761 + // Not an error - just no content found (maybe a redirect or empty page)
4762 + return false;
4763 + }
4764 +
4765 + // Submit to database with content_type
4766 + $result = MxChat_Utils::submit_content_to_db(
4767 + $sanitized,
4768 + $url,
4769 + $api_key,
4770 + null,
4771 + $bot_id,
4772 + $content_type
4773 + );
4774 +
4775 + return $result;
4776 +}
4777 +
4778 +/**
4779 + * Extract WooCommerce product content including pricing
4780 + *
4781 + * @param string $url The product URL
4782 + * @return string|false Product content with pricing, or false if not found
4783 + */
4784 +private function mxchat_extract_woocommerce_product_content($url) {
4785 + // Try to get product ID from URL
4786 + $product_id = url_to_postid($url);
4787 +
4788 + // If url_to_postid fails, try to extract from URL pattern
4789 + if (!$product_id) {
4790 + $product_slug = '';
4791 +
4792 + // Handle pretty permalinks: /product/product-name/
4793 + if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
4794 + $product_slug = $matches[1];
4795 + }
4796 +
4797 + if (!empty($product_slug)) {
4798 + $product_post = get_page_by_path($product_slug, OBJECT, 'product');
4799 + if ($product_post) {
4800 + $product_id = $product_post->ID;
4801 + }
4802 + }
4803 + }
4804 +
4805 + if (!$product_id) {
4806 + return false;
4807 + }
4808 +
4809 + // Get WooCommerce product object
4810 + $product = wc_get_product($product_id);
4811 +
4812 + if (!$product) {
4813 + return false;
4814 + }
4815 +
4816 + // Build product content with pricing (similar to mxchat_store_product_embedding)
4817 + $title = $product->get_name();
4818 + $description = $product->get_description();
4819 + $short_description = $product->get_short_description();
4820 + $sku = $product->get_sku();
4821 +
4822 + // Get pricing information
4823 + $regular_price = $product->get_regular_price();
4824 + $sale_price = $product->get_sale_price();
4825 + $price = $product->get_price(); // Current active price
4826 +
4827 + // Get currency symbol
4828 + $currency_symbol = get_woocommerce_currency_symbol();
4829 +
4830 + // Format content
4831 + $content = $title . "\n\n";
4832 +
4833 + if (!empty($short_description)) {
4834 + $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
4835 + }
4836 +
4837 + if (!empty($description)) {
4838 + $content .= wp_strip_all_tags($description) . "\n\n";
4839 + }
4840 +
4841 + // Add pricing information
4842 + if (!empty($regular_price)) {
4843 + $content .= "Price: " . $currency_symbol . $regular_price . "\n";
4844 + } elseif (!empty($price)) {
4845 + $content .= "Price: " . $currency_symbol . $price . "\n";
4846 + }
4847 +
4848 + if (!empty($sale_price) && $sale_price !== $regular_price) {
4849 + $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
4850 + }
4851 +
4852 + // Handle variable products - show price range
4853 + if ($product->is_type('variable')) {
4854 + $min_price = $product->get_variation_price('min');
4855 + $max_price = $product->get_variation_price('max');
4856 + if ($min_price !== $max_price) {
4857 + $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
4858 + }
4859 + }
4860 +
4861 + if (!empty($sku)) {
4862 + $content .= "SKU: " . $sku . "\n";
4863 + }
4864 +
4865 + // Get product categories
4866 + $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
4867 + if (!empty($categories) && !is_wp_error($categories)) {
4868 + $content .= "Categories: " . implode(', ', $categories) . "\n";
4869 + }
4870 +
4871 + // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
4872 + $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
4873 + if (!empty($custom_tabs) && is_array($custom_tabs)) {
4874 + foreach ($custom_tabs as $tab) {
4875 + $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
4876 + $tab_content = isset($tab['content']) ? $tab['content'] : '';
4877 +
4878 + if (!empty($tab_title) && !empty($tab_content)) {
4879 + $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
4880 + }
4881 + }
4882 + }
4883 +
4884 + // Also check for reusable/saved tabs applied to this product
4885 + $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
4886 + if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
4887 + $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
4888 + if (!empty($saved_tabs) && is_array($saved_tabs)) {
4889 + foreach ($applied_saved_tabs as $saved_tab_id) {
4890 + if (isset($saved_tabs[$saved_tab_id])) {
4891 + $tab = $saved_tabs[$saved_tab_id];
4892 + $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
4893 + $tab_content = isset($tab['content']) ? $tab['content'] : '';
4894 +
4895 + if (!empty($tab_title) && !empty($tab_content)) {
4896 + $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
4897 + }
4898 + }
4899 + }
4900 + }
4901 + }
4902 +
4903 + return $this->mxchat_sanitize_content_for_api($content);
4904 +}
4905 +
4906 +/**
4907 + * Process a PDF page from the queue
4908 + */
4909 +private function mxchat_process_queue_pdf_page($item_data, $bot_id = 'default') {
4910 + $pdf_path = isset($item_data['pdf_path']) ? $item_data['pdf_path'] : '';
4911 + $pdf_url = isset($item_data['pdf_url']) ? $item_data['pdf_url'] : '';
4912 + $page_number = isset($item_data['page_number']) ? absint($item_data['page_number']) : 0;
4913 + $total_pages = isset($item_data['total_pages']) ? absint($item_data['total_pages']) : 0;
4914 +
4915 + if (empty($pdf_path) || !file_exists($pdf_path)) {
4916 + return new WP_Error('pdf_not_found', 'PDF file not found: ' . $pdf_path);
4917 + }
4918 +
4919 + if ($page_number < 1) {
4920 + return new WP_Error('invalid_page', 'Invalid page number');
4921 + }
4922 +
4923 + try {
4924 + $parser = new \Smalot\PdfParser\Parser();
4925 + $pdf = $parser->parseFile($pdf_path);
4926 + $pages = $pdf->getPages();
4927 +
4928 + if (!isset($pages[$page_number - 1])) {
4929 + return new WP_Error('page_not_found', 'Page ' . $page_number . ' not found in PDF');
4930 + }
4931 +
4932 + $text = $pages[$page_number - 1]->getText();
4933 +
4934 + if (empty($text)) {
4935 + // Not an error - just an empty page
4936 + return false;
4937 + }
4938 +
4939 + $sanitized = $this->mxchat_sanitize_content_for_api($text);
4940 +
4941 + if (empty($sanitized)) {
4942 + return false;
4943 + }
4944 +
4945 + // Create metadata
4946 + $metadata = array(
4947 + 'document_type' => 'pdf',
4948 + 'total_pages' => $total_pages,
4949 + 'current_page' => $page_number,
4950 + 'source_url' => $pdf_url
4951 + );
4952 +
4953 + $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized;
4954 + $page_url = esc_url($pdf_url . "#page=" . $page_number);
4955 +
4956 + // Get bot-specific API key
4957 + $bot_options = $this->get_bot_options($bot_id);
4958 + $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
4959 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4960 +
4961 + if (strpos($selected_model, 'voyage') === 0) {
4962 + $api_key = $options['voyage_api_key'] ?? '';
4963 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
4964 + $api_key = $options['gemini_api_key'] ?? '';
4965 + } else {
4966 + $api_key = $options['api_key'] ?? '';
4967 + }
4968 +
4969 + if (empty($api_key)) {
4970 + return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
4971 + }
4972 +
4973 + // Submit to database - UPDATED 2.5.6: Added content_type 'pdf'
4974 + $result = MxChat_Utils::submit_content_to_db(
4975 + $content_with_metadata,
4976 + $page_url,
4977 + $api_key,
4978 + null,
4979 + $bot_id,
4980 + 'pdf'
4981 + );
4982 +
4983 + return $result;
4984 +
4985 + } catch (Exception $e) {
4986 + return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
4987 + }
4988 +}
4989 +
4990 +/**
4991 + * AJAX: Get queue processing status
4992 + */
4993 +public function ajax_mxchat_get_queue_status() {
4994 + // Verify nonce and permissions
4995 + check_ajax_referer('mxchat_queue_nonce', 'nonce');
4996 +
4997 + if (!current_user_can('manage_options')) {
4998 + wp_send_json_error('Unauthorized access');
4999 + }
5000 +
5001 + $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
5002 +
5003 + if (empty($queue_id)) {
5004 + wp_send_json_error('Missing queue ID');
5005 + }
5006 +
5007 + global $wpdb;
5008 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
5009 +
5010 + // Get counts by status
5011 + $counts = $wpdb->get_results($wpdb->prepare(
5012 + "SELECT status, COUNT(*) as count
5013 + FROM $table_name
5014 + WHERE queue_id = %s
5015 + GROUP BY status",
5016 + $queue_id
5017 + ), OBJECT_K);
5018 +
5019 + $total = 0;
5020 + $completed = 0;
5021 + $failed = 0;
5022 + $processing = 0;
5023 + $pending = 0;
5024 +
5025 + foreach ($counts as $status => $data) {
5026 + $count = absint($data->count);
5027 + $total += $count;
5028 +
5029 + switch ($status) {
5030 + case 'completed':
5031 + $completed = $count;
5032 + break;
5033 + case 'failed':
5034 + $failed = $count;
5035 + break;
5036 + case 'processing':
5037 + $processing = $count;
5038 + break;
5039 + case 'pending':
5040 + $pending = $count;
5041 + break;
5042 + }
5043 + }
5044 +
5045 + // Calculate percentage
5046 + $percentage = $total > 0 ? round((($completed + $failed) / $total) * 100) : 0;
5047 +
5048 + // Get failed items details
5049 + $failed_items = array();
5050 + if ($failed > 0) {
5051 + $failed_items = $wpdb->get_results($wpdb->prepare(
5052 + "SELECT item_type, item_data, error_message, attempts
5053 + FROM $table_name
5054 + WHERE queue_id = %s
5055 + AND status = 'failed'
5056 + AND attempts >= max_attempts
5057 + ORDER BY id DESC
5058 + LIMIT 50",
5059 + $queue_id
5060 + ));
5061 + }
5062 +
5063 + // Get queue metadata
5064 + $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
5065 + $queue_type = $this->mxchat_get_queue_meta($queue_id, 'queue_type');
5066 +
5067 + // Determine if queue is complete
5068 + $is_complete = ($pending === 0 && $processing === 0);
5069 +
5070 + wp_send_json_success(array(
5071 + 'queue_id' => $queue_id,
5072 + 'queue_type' => $queue_type,
5073 + 'source_url' => $source_url,
5074 + 'total' => $total,
5075 + 'completed' => $completed,
5076 + 'failed' => $failed,
5077 + 'processing' => $processing,
5078 + 'pending' => $pending,
5079 + 'percentage' => $percentage,
5080 + 'is_complete' => $is_complete,
5081 + 'failed_items' => $failed_items,
5082 + 'status' => $is_complete ? 'complete' : 'processing'
5083 + ));
5084 +}
5085 +
5086 +/**
5087 + * AJAX: Clear completed queue
5088 + */
5089 +public function ajax_mxchat_clear_queue() {
5090 + // Verify nonce and permissions
5091 + check_ajax_referer('mxchat_queue_nonce', 'nonce');
5092 +
5093 + if (!current_user_can('manage_options')) {
5094 + wp_send_json_error('Unauthorized access');
5095 + }
5096 +
5097 + $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
5098 +
5099 + if (empty($queue_id)) {
5100 + wp_send_json_error('Missing queue ID');
5101 + }
5102 +
5103 + global $wpdb;
5104 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
5105 + $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
5106 +
5107 + // Delete queue items
5108 + $wpdb->delete(
5109 + $table_name,
5110 + array('queue_id' => $queue_id),
5111 + array('%s')
5112 + );
5113 +
5114 + // Delete queue metadata
5115 + $wpdb->delete(
5116 + $meta_table,
5117 + array('queue_id' => $queue_id),
5118 + array('%s')
5119 + );
5120 +
5121 + wp_send_json_success(array(
5122 + 'message' => 'Queue cleared successfully'
5123 + ));
5124 +}
5125 +
5126 +/**
5127 + * AJAX: Retry failed items in queue
5128 + */
5129 +public function ajax_mxchat_retry_failed() {
5130 + // Verify nonce and permissions
5131 + check_ajax_referer('mxchat_queue_nonce', 'nonce');
5132 +
5133 + if (!current_user_can('manage_options')) {
5134 + wp_send_json_error('Unauthorized access');
5135 + }
5136 +
5137 + $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
5138 +
5139 + if (empty($queue_id)) {
5140 + wp_send_json_error('Missing queue ID');
5141 + }
5142 +
5143 + global $wpdb;
5144 + $table_name = $wpdb->prefix . 'mxchat_processing_queue';
5145 +
5146 + // Reset failed items to pending and reset attempt count
5147 + $updated = $wpdb->update(
5148 + $table_name,
5149 + array(
5150 + 'status' => 'pending',
5151 + 'attempts' => 0,
5152 + 'error_message' => null
5153 + ),
5154 + array(
5155 + 'queue_id' => $queue_id,
5156 + 'status' => 'failed'
5157 + ),
5158 + array('%s', '%d', '%s'),
5159 + array('%s', '%s')
5160 + );
5161 +
5162 + wp_send_json_success(array(
5163 + 'message' => 'Reset ' . $updated . ' failed items for retry',
5164 + 'reset_count' => $updated
5165 + ));
5166 +}
5167 +
5168 +
5169 +public function ajax_mxchat_mark_queue_complete() {
5170 + check_ajax_referer('mxchat_queue_nonce', 'nonce');
5171 +
5172 + if (!current_user_can('manage_options')) {
5173 + wp_send_json_error('Unauthorized access');
5174 + }
5175 +
5176 + $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
5177 +
5178 + if (empty($queue_id)) {
5179 + wp_send_json_error('Missing queue ID');
5180 + }
5181 +
5182 + // Clear active queue transients
5183 + if (strpos($queue_id, 'sitemap_') === 0) {
5184 + delete_transient('mxchat_active_queue_sitemap');
5185 + } else if (strpos($queue_id, 'pdf_') === 0) {
5186 + delete_transient('mxchat_active_queue_pdf');
5187 + }
5188 +
5189 + wp_send_json_success(array('message' => 'Queue marked as complete'));
5190 +}
5191 +
5192 +
5193 + // ========================================
5194 + // STATIC ACCESS METHODS
5195 + // ========================================
5196 +
5197 + /**
5198 + * Get singleton instance
5199 + */
5200 + public static function get_instance() {
5201 + static $instance = null;
5202 + if ($instance === null) {
5203 + $instance = new self();
5204 + }
5205 + return $instance;
5206 + }
5207 +}
5208 +
5209 +// Initialize the Knowledge manager
8410 5210 $mxchat_knowledge_manager = MxChat_Knowledge_Manager::get_instance();