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MxChat – AI Chatbot & Content Generation for WordPress / 2.2.9
MxChat – AI Chatbot & Content Generation for WordPress v2.2.9
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← All changes | admin/class-knowledge-manager.php +3793 -8161 3.2.62.2.9 View file →
@@ -1,8162 +1,3794 @@
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($this, 'ajax_mxchat_save_entry_content'));
62 -
63 - // WordPress post management hooks
64 - add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
65 - add_action('post_updated', array($this, 'mxchat_handle_post_update'), 10, 3);
66 - add_action('before_delete_post', array($this, 'mxchat_handle_post_delete'));
67 - add_action('wp_trash_post', array($this, 'mxchat_handle_post_delete'));
68 -
69 - // ACF hook - fires AFTER ACF fields are saved, ensuring ACF data is available
70 - // Priority 20 to run after ACF's own save (which runs at priority 10)
71 - add_action('acf/save_post', array($this, 'mxchat_handle_acf_save'), 20);
72 -
73 - add_action('wp_ajax_mxchat_mark_queue_complete', array($this, 'ajax_mxchat_mark_queue_complete'));
74 -
75 - // WooCommerce product hooks (if WooCommerce is active)
76 - if (class_exists('WooCommerce')) {
77 - add_action('pre_post_update', array($this, 'mxchat_store_pre_update_status'), 10, 2);
78 - add_action('save_post_product', array($this, 'mxchat_handle_product_change'), 10, 3);
79 - add_action('wp_trash_post', array($this, 'mxchat_handle_product_delete'));
80 - add_action('before_delete_post', array($this, 'mxchat_handle_product_delete'));
81 - }
82 -}
83 -
84 - /**
85 - * Get current options (refreshed)
86 - */
87 - private function mxchat_get_options() {
88 - if (empty($this->options)) {
89 - $this->options = get_option('mxchat_options', array());
90 - }
91 - return $this->options;
92 - }
93 -
94 -
95 - // ========================================
96 - // MAIN CONTENT SUBMISSION HANDLERS
97 - // ========================================
98 -
99 -public function mxchat_handle_content_submission() {
100 - // Check if the form was submitted and the user has permission.
101 - if (!isset($_POST['submit_content']) || !current_user_can('manage_options')) {
102 - return;
103 - }
104 -
105 - // Verify the nonce.
106 - $nonce = isset($_POST['mxchat_submit_content_nonce']) ? sanitize_text_field(wp_unslash($_POST['mxchat_submit_content_nonce'])) : '';
107 - if (!wp_verify_nonce($nonce, 'mxchat_submit_content_action')) {
108 - wp_die(esc_html__('Nonce verification failed.', 'mxchat'));
109 - }
110 -
111 - // Sanitize the inputs.
112 - // Use wp_kses_post to allow safe HTML and wp_unslash to remove WordPress added slashes
113 - $article_content = wp_kses_post(wp_unslash($_POST['article_content']));
114 - $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
115 -
116 - // Get bot_id from form submission
117 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
118 -
119 - // Get bot-specific options and API key
120 - $bot_options = $this->get_bot_options($bot_id);
121 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
122 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
123 -
124 - if (strpos($selected_model, 'voyage') === 0) {
125 - $api_key = $options['voyage_api_key'] ?? '';
126 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
127 - $api_key = $options['gemini_api_key'] ?? '';
128 - } else {
129 - $api_key = $options['api_key'] ?? '';
130 - }
131 -
132 - if (empty($api_key)) {
133 - set_transient('mxchat_admin_notice_error',
134 - esc_html__('API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
135 - 30
136 - );
137 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
138 - exit;
139 - }
140 -
141 - // Use centralized utility function with bot_id
142 - $result = MxChat_Utils::submit_content_to_db($article_content, $article_url, $api_key, null, $bot_id);
143 -
144 - if (is_wp_error($result)) {
145 - set_transient('mxchat_admin_notice_error',
146 - esc_html__('Error storing content: ', 'mxchat') . $result->get_error_message(),
147 - 30
148 - );
149 - } else {
150 - set_transient('mxchat_admin_notice_success',
151 - esc_html__('Content successfully submitted!', 'mxchat'),
152 - 30
153 - );
154 - }
155 -
156 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
157 - exit;
158 -}
159 -
160 -public function mxchat_is_pdf_url($url, $response) {
161 - $content_type = wp_remote_retrieve_header($response, 'content-type');
162 - $file_extension = strtolower(pathinfo($url, PATHINFO_EXTENSION));
163 -
164 - // Check Content-Disposition header for .pdf filename (Google Drive sends this)
165 - $disposition = wp_remote_retrieve_header($response, 'content-disposition');
166 - $has_pdf_disposition = ! empty($disposition) && stripos($disposition, '.pdf') !== false;
167 -
168 - return strpos($content_type, 'pdf') !== false || $file_extension === 'pdf' || $has_pdf_disposition;
169 -}
170 -
171 -
172 -public function mxchat_handle_pdf_for_knowledge_base($pdf_url, $response, $bot_id = 'default') {
173 - if (!current_user_can('manage_options')) {
174 - return false;
175 - }
176 -
177 - $pdf_url = esc_url_raw($pdf_url);
178 - $upload_dir = wp_upload_dir();
179 -
180 - if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
181 - return false;
182 - }
183 -
184 - $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
185 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
186 -
187 - $response_body = wp_remote_retrieve_body($response);
188 - if (empty($response_body)) {
189 - return false;
190 - }
191 -
192 - if (!wp_mkdir_p(dirname($pdf_path))) {
193 - return false;
194 - }
195 -
196 - try {
197 - file_put_contents($pdf_path, $response_body);
198 -
199 - if (!file_exists($pdf_path)) {
200 - throw new Exception(__('Failed to save PDF file', 'mxchat'));
201 - }
202 -
203 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
204 -
205 - if ($total_pages === false || $total_pages < 1) {
206 - throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
207 - }
208 -
209 - // Create unique queue ID
210 - $queue_id = 'pdf_' . md5($pdf_url . time());
211 -
212 - // Create array of pages to process
213 - $pages = array();
214 - for ($i = 1; $i <= $total_pages; $i++) {
215 - $pages[] = array(
216 - 'pdf_path' => $pdf_path,
217 - 'pdf_url' => $pdf_url,
218 - 'page_number' => $i,
219 - 'total_pages' => $total_pages
220 - );
221 - }
222 -
223 - // Add pages to queue
224 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
225 -
226 - if ($queued_count === 0) {
227 - wp_delete_file($pdf_path);
228 - throw new Exception(__('Failed to add PDF pages to processing queue', 'mxchat'));
229 - }
230 -
231 - // Store queue metadata
232 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $pdf_url);
233 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'pdf');
234 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_pages);
235 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
236 - $this->mxchat_set_queue_meta($queue_id, 'pdf_path', $pdf_path);
237 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
238 -
239 - // Store queue ID in transient for status tracking
240 - set_transient('mxchat_active_queue_pdf', $queue_id, DAY_IN_SECONDS);
241 - set_transient('mxchat_last_pdf_url', $pdf_url, DAY_IN_SECONDS);
242 -
243 - return 'queued';
244 -
245 - } catch (Exception $e) {
246 - if (file_exists($pdf_path)) {
247 - wp_delete_file($pdf_path);
248 - }
249 - return $e->getMessage();
250 - }
251 -}
252 -
253 -/**
254 - * Handle direct PDF file upload from the knowledge base page
255 - */
256 -public function mxchat_handle_pdf_file_submission() {
257 - if (!isset($_POST['submit_pdf_file']) || !current_user_can('manage_options')) {
258 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
259 - }
260 -
261 - check_admin_referer('mxchat_submit_pdf_file_action', 'mxchat_submit_pdf_file_nonce');
262 -
263 - $redirect_url = admin_url('admin.php?page=mxchat-prompts');
264 -
265 - // Validate file upload
266 - if (empty($_FILES['pdf_file']) || $_FILES['pdf_file']['error'] !== UPLOAD_ERR_OK) {
267 - $error_code = isset($_FILES['pdf_file']['error']) ? $_FILES['pdf_file']['error'] : UPLOAD_ERR_NO_FILE;
268 - $error_messages = array(
269 - UPLOAD_ERR_INI_SIZE => __('The uploaded file exceeds the server upload_max_filesize limit.', 'mxchat'),
270 - UPLOAD_ERR_FORM_SIZE => __('The uploaded file exceeds the form MAX_FILE_SIZE limit.', 'mxchat'),
271 - UPLOAD_ERR_PARTIAL => __('The file was only partially uploaded.', 'mxchat'),
272 - UPLOAD_ERR_NO_FILE => __('No file was uploaded. Please select a PDF file.', 'mxchat'),
273 - UPLOAD_ERR_NO_TMP_DIR => __('Server missing temporary folder.', 'mxchat'),
274 - UPLOAD_ERR_CANT_WRITE => __('Server failed to write file to disk.', 'mxchat'),
275 - );
276 - $error_msg = isset($error_messages[$error_code]) ? $error_messages[$error_code] : __('Unknown upload error.', 'mxchat');
277 - set_transient('mxchat_admin_notice_error', $error_msg, 30);
278 - wp_safe_redirect(esc_url($redirect_url));
279 - exit;
280 - }
281 -
282 - $file = $_FILES['pdf_file'];
283 -
284 - // Validate MIME type
285 - $finfo = finfo_open(FILEINFO_MIME_TYPE);
286 - $mime_type = finfo_file($finfo, $file['tmp_name']);
287 - finfo_close($finfo);
288 -
289 - if ($mime_type !== 'application/pdf') {
290 - set_transient('mxchat_admin_notice_error',
291 - esc_html__('Invalid file type. Only PDF files are accepted.', 'mxchat'),
292 - 30
293 - );
294 - wp_safe_redirect(esc_url($redirect_url));
295 - exit;
296 - }
297 -
298 - // Validate extension
299 - $ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
300 - if ($ext !== 'pdf') {
301 - set_transient('mxchat_admin_notice_error',
302 - esc_html__('Invalid file extension. Only .pdf files are accepted.', 'mxchat'),
303 - 30
304 - );
305 - wp_safe_redirect(esc_url($redirect_url));
306 - exit;
307 - }
308 -
309 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
310 - $original_filename = sanitize_file_name($file['name']);
311 -
312 - $upload_dir = wp_upload_dir();
313 - if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
314 - set_transient('mxchat_admin_notice_error',
315 - esc_html__('WordPress upload directory is not writable.', 'mxchat'),
316 - 30
317 - );
318 - wp_safe_redirect(esc_url($redirect_url));
319 - exit;
320 - }
321 -
322 - $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
323 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
324 -
325 - if (!wp_mkdir_p(dirname($pdf_path))) {
326 - set_transient('mxchat_admin_notice_error',
327 - esc_html__('Failed to create upload directory.', 'mxchat'),
328 - 30
329 - );
330 - wp_safe_redirect(esc_url($redirect_url));
331 - exit;
332 - }
333 -
334 - // Move uploaded file
335 - if (!move_uploaded_file($file['tmp_name'], $pdf_path)) {
336 - set_transient('mxchat_admin_notice_error',
337 - esc_html__('Failed to save uploaded PDF file.', 'mxchat'),
338 - 30
339 - );
340 - wp_safe_redirect(esc_url($redirect_url));
341 - exit;
342 - }
343 -
344 - try {
345 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
346 -
347 - if ($total_pages === false || $total_pages < 1) {
348 - throw new Exception(__('Invalid PDF: Unable to parse or no pages found', 'mxchat'));
349 - }
350 -
351 - // Use original filename as the source identifier
352 - $source_label = 'upload://' . $original_filename;
353 -
354 - $queue_id = 'pdf_' . md5($source_label . time());
355 -
356 - $pages = array();
357 - for ($i = 1; $i <= $total_pages; $i++) {
358 - $pages[] = array(
359 - 'pdf_path' => $pdf_path,
360 - 'pdf_url' => $source_label,
361 - 'page_number' => $i,
362 - 'total_pages' => $total_pages,
363 - );
364 - }
365 -
366 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
367 -
368 - if ($queued_count === 0) {
369 - wp_delete_file($pdf_path);
370 - throw new Exception(__('Failed to add PDF pages to processing queue', 'mxchat'));
371 - }
372 -
373 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $source_label);
374 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'pdf');
375 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_pages);
376 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
377 - $this->mxchat_set_queue_meta($queue_id, 'pdf_path', $pdf_path);
378 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
379 -
380 - set_transient('mxchat_active_queue_pdf', $queue_id, DAY_IN_SECONDS);
381 - set_transient('mxchat_last_pdf_url', $source_label, DAY_IN_SECONDS);
382 -
383 - set_transient('mxchat_admin_notice_success',
384 - sprintf(
385 - esc_html__('PDF "%s" (%d pages) queued for processing. Processing will start automatically.', 'mxchat'),
386 - esc_html($original_filename),
387 - $total_pages
388 - ),
389 - 30
390 - );
391 -
392 - } catch (Exception $e) {
393 - if (file_exists($pdf_path)) {
394 - wp_delete_file($pdf_path);
395 - }
396 - set_transient('mxchat_admin_notice_error',
397 - esc_html__('Failed to process uploaded PDF: ', 'mxchat') . esc_html($e->getMessage()),
398 - 30
399 - );
400 - }
401 -
402 - wp_safe_redirect(esc_url($redirect_url));
403 - exit;
404 -}
405 -
406 -/**
407 - * Validate PDF and count pages with multiple parser attempts
408 - */
409 -private function mxchat_validate_and_count_pdf_pages($pdf_path) {
410 - // Method 1: Try with Smalot PDF Parser (your current method)
411 - try {
412 - mxchat_load_pdf_parser();
413 - $parser = new \Smalot\PdfParser\Parser();
414 - $pdf = $parser->parseFile($pdf_path);
415 - $pages = $pdf->getPages();
416 - $page_count = count($pages);
417 -
418 - if ($page_count > 0) {
419 - //error_log('PDF parsed successfully with Smalot parser: ' . $page_count . ' pages');
420 - return $page_count;
421 - }
422 - } catch (Exception $e) {
423 - //error_log('Smalot PDF parser failed: ' . $e->getMessage());
424 - }
425 -
426 - // Method 2: Try with pdfinfo command (if available)
427 - if (function_exists('shell_exec') && !$this->mxchat_is_shell_disabled()) {
428 - try {
429 - $command = 'pdfinfo ' . escapeshellarg($pdf_path) . ' 2>&1';
430 - $output = shell_exec($command);
431 -
432 - if ($output && preg_match('/Pages:\s*(\d+)/', $output, $matches)) {
433 - $page_count = intval($matches[1]);
434 - if ($page_count > 0) {
435 - //error_log('PDF parsed successfully with pdfinfo: ' . $page_count . ' pages');
436 - return $page_count;
437 - }
438 - }
439 - } catch (Exception $e) {
440 - //error_log('pdfinfo command failed: ' . $e->getMessage());
441 - }
442 - }
443 -
444 - // Method 3: Try to repair PDF and parse again
445 - try {
446 - $repaired_path = $this->mxchat_attempt_pdf_repair($pdf_path);
447 - if ($repaired_path && $repaired_path !== $pdf_path) {
448 - mxchat_load_pdf_parser();
449 - $parser = new \Smalot\PdfParser\Parser();
450 - $pdf = $parser->parseFile($repaired_path);
451 - $pages = $pdf->getPages();
452 - $page_count = count($pages);
453 -
454 - if ($page_count > 0) {
455 - // Replace original with repaired version
456 - copy($repaired_path, $pdf_path);
457 - unlink($repaired_path);
458 - //error_log('PDF repaired and parsed successfully: ' . $page_count . ' pages');
459 - return $page_count;
460 - }
461 -
462 - // Clean up repaired file if it didn't work
463 - unlink($repaired_path);
464 - }
465 - } catch (Exception $e) {
466 - //error_log('PDF repair attempt failed: ' . $e->getMessage());
467 - }
468 -
469 - // Method 4: Manual PDF structure analysis (basic page count)
470 - try {
471 - $page_count = $this->mxchat_manual_pdf_page_count($pdf_path);
472 - if ($page_count > 0) {
473 - //error_log('PDF page count determined manually: ' . $page_count . ' pages');
474 - return $page_count;
475 - }
476 - } catch (Exception $e) {
477 - //error_log('Manual PDF analysis failed: ' . $e->getMessage());
478 - }
479 -
480 - //error_log('All PDF parsing methods failed for: ' . $pdf_path);
481 - return false;
482 -}
483 -
484 -/**
485 - * Check if shell_exec is disabled
486 - */
487 -private function mxchat_is_shell_disabled() {
488 - $disabled = explode(',', ini_get('disable_functions'));
489 - return in_array('shell_exec', $disabled);
490 -}
491 -
492 -/**
493 - * Attempt to repair PDF using basic methods
494 - */
495 -private function mxchat_attempt_pdf_repair($pdf_path) {
496 - try {
497 - $content = file_get_contents($pdf_path);
498 - if (!$content) {
499 - return false;
500 - }
501 -
502 - // Check if PDF starts with proper header
503 - if (substr($content, 0, 4) !== '%PDF') {
504 - // Try to find PDF header in the content
505 - $header_pos = strpos($content, '%PDF');
506 - if ($header_pos !== false && $header_pos < 1024) {
507 - // Remove junk before PDF header
508 - $content = substr($content, $header_pos);
509 - $repaired_path = $pdf_path . '.repaired';
510 - file_put_contents($repaired_path, $content);
511 - return $repaired_path;
512 - }
513 - }
514 -
515 - // Check for EOF marker
516 - $content = rtrim($content);
517 - if (!preg_match('/%%EOF\s*$/', $content)) {
518 - // Add EOF marker if missing
519 - $content .= "\n%%EOF";
520 - $repaired_path = $pdf_path . '.repaired';
521 - file_put_contents($repaired_path, $content);
522 - return $repaired_path;
523 - }
524 -
525 - } catch (Exception $e) {
526 - //error_log('PDF repair error: ' . $e->getMessage());
527 - }
528 -
529 - return false;
530 -}
531 -
532 -/**
533 - * Manual PDF page counting by analyzing PDF structure
534 - */
535 -private function mxchat_manual_pdf_page_count($pdf_path) {
536 - try {
537 - $content = file_get_contents($pdf_path);
538 - if (!$content) {
539 - return 0;
540 - }
541 -
542 - // Method 1: Count /Type /Page objects
543 - $page_count = preg_match_all('/\/Type\s*\/Page[^s]/', $content);
544 - if ($page_count > 0) {
545 - return $page_count;
546 - }
547 -
548 - // Method 2: Look for /Count in pages object
549 - if (preg_match('/\/Type\s*\/Pages.*?\/Count\s+(\d+)/', $content, $matches)) {
550 - return intval($matches[1]);
551 - }
552 -
553 - // Method 3: Count page references
554 - $page_count = preg_match_all('/\d+\s+0\s+obj\s*<<[^>]*\/Type\s*\/Page/', $content);
555 - if ($page_count > 0) {
556 - return $page_count;
557 - }
558 -
559 - } catch (Exception $e) {
560 - //error_log('Manual PDF analysis error: ' . $e->getMessage());
561 - }
562 -
563 - return 0;
564 -}
565 -
566 -
567 -public function mxchat_save_inline_prompt() {
568 - // DEBUG: Log what we're receiving
569 - //error_log('=== MXCHAT DEBUG ===');
570 - //error_log('POST data: ' . print_r($_POST, true));
571 - //error_log('Nonce from POST: ' . ($_POST['_ajax_nonce'] ?? 'NOT FOUND'));
572 -
573 - // Check for nonce security
574 - check_ajax_referer('mxchat_save_inline_nonce', '_ajax_nonce');
575 -
576 - // If we get here, nonce passed
577 - //error_log('Nonce verification PASSED');
578 -
579 - // Verify permissions
580 - if (!current_user_can('manage_options')) {
581 - wp_send_json_error(esc_html__('Permission denied.', 'mxchat'));
582 - return;
583 - }
584 -
585 - global $wpdb;
586 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
587 -
588 - // Validate and sanitize input data
589 - $prompt_id = isset($_POST['id']) ? absint($_POST['id']) : 0;
590 - $article_content = isset($_POST['article_content']) ? wp_kses_post(wp_unslash($_POST['article_content'])) : '';
591 - $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
592 -
593 - if ($prompt_id > 0 && !empty($article_content)) {
594 - // Re-generate the embedding vector for the updated content
595 - $embedding_vector = $this->mxchat_generate_embedding($article_content);
596 - if (is_array($embedding_vector)) {
597 - // Serialize the embedding vector before storing it
598 - $embedding_vector_serialized = serialize($embedding_vector);
599 - // Update the prompt in the database
600 - $updated = $wpdb->update(
601 - $table_name,
602 - array(
603 - 'article_content' => $article_content,
604 - 'embedding_vector' => $embedding_vector_serialized,
605 - 'source_url' => $article_url,
606 - ),
607 - array('id' => $prompt_id),
608 - array('%s', '%s', '%s'),
609 - array('%d')
610 - );
611 - if ($updated !== false) {
612 - wp_send_json_success();
613 - } else {
614 - MxChat_Admin::mxchat_log_debug('knowledge_error', 'Database update failed when saving knowledge entry');
615 - wp_send_json_error(esc_html__('Database update failed.', 'mxchat'));
616 - }
617 - } else {
618 - MxChat_Admin::mxchat_log_debug('embedding_error', 'Embedding generation failed for knowledge entry');
619 - wp_send_json_error(esc_html__('Embedding generation failed.', 'mxchat'));
620 - }
621 - } else {
622 - wp_send_json_error(esc_html__('Invalid data.', 'mxchat'));
623 - }
624 -}
625 -
626 -
627 -/**
628 - * AJAX: Get full content for editing — reassembles chunks if needed.
629 - * Works for both WordPress DB and Pinecone entries.
630 - */
631 -public function ajax_mxchat_get_entry_content() {
632 - check_ajax_referer('mxchat_edit_entry_nonce', 'nonce');
633 -
634 - if ( ! current_user_can('manage_options') ) {
635 - wp_send_json_error( array( 'message' => 'Permission denied.' ) );
636 - }
637 -
638 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
639 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
640 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
641 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
642 -
643 - if ( $data_source === 'pinecone' ) {
644 - // Pinecone: fetch vectors by source_url, reassemble chunks
645 - $content = $this->get_pinecone_entry_content( $source_url, $entry_id, $bot_id );
646 - } else {
647 - // WordPress DB
648 - $content = $this->get_wordpress_entry_content( $source_url, $entry_id );
649 - }
650 -
651 - if ( is_wp_error( $content ) ) {
652 - wp_send_json_error( array( 'message' => $content->get_error_message() ) );
653 - }
654 -
655 - wp_send_json_success( $content );
656 -}
657 -
658 -/**
659 - * Get content from WordPress DB — reassembles chunks by source_url.
660 - */
661 -private function get_wordpress_entry_content( $source_url, $entry_id ) {
662 - global $wpdb;
663 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
664 -
665 - // If we have a source_url, check for chunks
666 - if ( ! empty( $source_url ) && strpos( $source_url, 'mxchat://' ) !== 0 ) {
667 - $rows = $wpdb->get_results( $wpdb->prepare(
668 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE source_url = %s ORDER BY id ASC",
669 - $source_url
670 - ) );
671 -
672 - if ( $rows && count( $rows ) > 1 ) {
673 - // Multiple rows = chunked. Reassemble.
674 - $chunks = array();
675 - foreach ( $rows as $row ) {
676 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
677 - $index = isset( $parsed['metadata']['chunk_index'] ) ? intval( $parsed['metadata']['chunk_index'] ) : count( $chunks );
678 - $chunks[ $index ] = $parsed['text'];
679 - }
680 - ksort( $chunks );
681 - return array(
682 - 'content' => implode( "\n\n", $chunks ),
683 - 'source_url' => $source_url,
684 - 'is_chunked' => true,
685 - 'chunk_count' => count( $chunks ),
686 - 'content_type' => $rows[0]->content_type,
687 - );
688 - } elseif ( $rows && count( $rows ) === 1 ) {
689 - $parsed = MxChat_Chunker::parse_stored_chunk( $rows[0]->article_content );
690 - return array(
691 - 'content' => $parsed['text'],
692 - 'source_url' => $source_url,
693 - 'entry_id' => $rows[0]->id,
694 - 'is_chunked' => false,
695 - 'content_type' => $rows[0]->content_type,
696 - );
697 - }
698 - }
699 -
700 - // Fallback: fetch by ID
701 - if ( $entry_id > 0 ) {
702 - $row = $wpdb->get_row( $wpdb->prepare(
703 - "SELECT id, article_content, source_url, content_type FROM {$table} WHERE id = %d",
704 - $entry_id
705 - ) );
706 - if ( $row ) {
707 - $parsed = MxChat_Chunker::parse_stored_chunk( $row->article_content );
708 - return array(
709 - 'content' => $parsed['text'],
710 - 'source_url' => $row->source_url,
711 - 'entry_id' => $row->id,
712 - 'is_chunked' => false,
713 - 'content_type' => $row->content_type,
714 - );
715 - }
716 - }
717 -
718 - return new WP_Error( 'not_found', 'Entry not found.' );
719 -}
720 -
721 -/**
722 - * Get content from Pinecone — fetches vectors by source_url, reassembles chunks.
723 - */
724 -private function get_pinecone_entry_content( $source_url, $entry_id, $bot_id ) {
725 - if ( ! class_exists('MxChat_Pinecone_Manager') ) {
726 - return new WP_Error( 'pinecone_unavailable', 'Pinecone manager not available.' );
727 - }
728 -
729 - // Get Pinecone config
730 - if ( $bot_id === 'default' || ! class_exists('MxChat_Multi_Bot_Manager') ) {
731 - $pinecone_options = get_option('mxchat_pinecone_addon_options');
732 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
733 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
734 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
735 - } else {
736 - $bot_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
737 - $api_key = $bot_config['api_key'] ?? '';
738 - $host = $bot_config['host'] ?? '';
739 - $namespace = $bot_config['namespace'] ?? '';
740 - }
741 -
742 - if ( empty($host) || empty($api_key) ) {
743 - return new WP_Error( 'pinecone_config', 'Pinecone not configured.' );
744 - }
745 -
746 - // List vectors with the source_url prefix
747 - $base_id = md5( $source_url );
748 - $vector_ids = array( $base_id );
749 -
750 - // Find chunk vectors
751 - $list_url = "https://{$host}/vectors/list";
752 - $list_body = array( 'prefix' => $base_id . '_chunk_', 'limit' => 100 );
753 - if ( ! empty($namespace) ) {
754 - $list_body['namespace'] = $namespace;
755 - }
756 -
757 - $list_resp = wp_remote_post( $list_url, array(
758 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
759 - 'body' => wp_json_encode( $list_body ),
760 - 'timeout' => 15,
761 - ) );
762 -
763 - if ( ! is_wp_error($list_resp) ) {
764 - $list_data = json_decode( wp_remote_retrieve_body($list_resp), true );
765 - if ( ! empty($list_data['vectors']) ) {
766 - foreach ( $list_data['vectors'] as $v ) {
767 - $vector_ids[] = $v['id'];
768 - }
769 - }
770 - }
771 -
772 - // Fetch vectors with metadata
773 - $fetch_url = "https://{$host}/vectors/fetch";
774 - $fetch_body = array( 'ids' => $vector_ids );
775 - if ( ! empty($namespace) ) {
776 - $fetch_body['namespace'] = $namespace;
777 - }
778 -
779 - $fetch_resp = wp_remote_post( $fetch_url, array(
780 - 'headers' => array( 'Api-Key' => $api_key, 'Content-Type' => 'application/json' ),
781 - 'body' => wp_json_encode( $fetch_body ),
782 - 'timeout' => 15,
783 - ) );
784 -
785 - if ( is_wp_error($fetch_resp) ) {
786 - return new WP_Error( 'pinecone_fetch', 'Failed to fetch from Pinecone.' );
787 - }
788 -
789 - $fetch_data = json_decode( wp_remote_retrieve_body($fetch_resp), true );
790 - $vectors = $fetch_data['vectors'] ?? array();
791 -
792 - if ( empty($vectors) ) {
793 - return new WP_Error( 'not_found', 'Entry not found in Pinecone.' );
794 - }
795 -
796 - // Reassemble chunks
797 - $chunks = array();
798 - $content_type = 'content';
799 - foreach ( $vectors as $vid => $vector ) {
800 - $meta = $vector['metadata'] ?? array();
801 - $text = $meta['text'] ?? '';
802 - $index = $meta['chunk_index'] ?? 0;
803 - $content_type = $meta['type'] ?? 'content';
804 - $chunks[ intval($index) ] = $text;
805 - }
806 - ksort( $chunks );
807 -
808 - return array(
809 - 'content' => implode( "\n\n", $chunks ),
810 - 'source_url' => $source_url,
811 - 'is_chunked' => count($chunks) > 1,
812 - 'chunk_count' => count($chunks),
813 - 'content_type' => $content_type,
814 - );
815 -}
816 -
817 -/**
818 - * AJAX: Save edited content — re-chunks and re-embeds as needed.
819 - * Works for both WordPress DB and Pinecone entries.
820 - */
821 -public function ajax_mxchat_save_entry_content() {
822 - check_ajax_referer('mxchat_edit_entry_nonce', 'nonce');
823 -
824 - if ( ! current_user_can('manage_options') ) {
825 - wp_send_json_error( array( 'message' => 'Permission denied.' ) );
826 - }
827 -
828 - $source_url = isset($_POST['source_url']) ? sanitize_text_field( wp_unslash($_POST['source_url']) ) : '';
829 - $entry_id = isset($_POST['entry_id']) ? absint($_POST['entry_id']) : 0;
830 - $content = isset($_POST['content']) ? wp_kses_post( wp_unslash($_POST['content']) ) : '';
831 - $data_source = isset($_POST['data_source']) ? sanitize_key($_POST['data_source']) : 'wordpress';
832 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
833 - $content_type = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : 'content';
834 -
835 - if ( empty($content) ) {
836 - wp_send_json_error( array( 'message' => 'Content cannot be empty.' ) );
837 - }
838 -
839 - // Get the embedding API key
840 - $options = get_option('mxchat_options', array());
841 - $api_key = '';
842 -
843 - if ( $bot_id !== 'default' && class_exists('MxChat_Multi_Bot_Manager') ) {
844 - $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
845 - $api_key = $bot_options['api_key'] ?? '';
846 - }
847 - if ( empty($api_key) ) {
848 - $api_key = $options['api_key'] ?? '';
849 - }
850 -
851 - global $wpdb;
852 - $table = $wpdb->prefix . 'mxchat_system_prompt_content';
853 -
854 - // If source_url is empty but we have an entry_id, look it up
855 - if ( empty($source_url) && $entry_id > 0 && $data_source === 'wordpress' ) {
856 - $row = $wpdb->get_row( $wpdb->prepare( "SELECT source_url FROM {$table} WHERE id = %d", $entry_id ) );
857 - if ( $row && ! empty($row->source_url) ) {
858 - $source_url = $row->source_url;
859 - }
860 - }
861 -
862 - // For manual entries (no source_url or mxchat:// prefix), delete the old entry by ID first
863 - // so submit_content_to_db creates a replacement instead of a duplicate
864 - // Also treat legacy mxchat.ai source URLs as manual — old bug assigned the site URL to manual entries
865 - $is_legacy_manual = !empty($source_url) && strpos($source_url, 'mxchat.ai') !== false && strpos($source_url, 'mxchat://') !== 0;
866 - if ( $entry_id > 0 && (empty($source_url) || strpos($source_url, 'mxchat://') === 0 || $is_legacy_manual) ) {
867 - $wpdb->delete( $table, array( 'id' => $entry_id ), array( '%d' ) );
868 - // Clear legacy URL so submit_content_to_db generates a unique mxchat:// identifier
869 - // instead of reusing the shared URL (which would mass-delete other entries with the same URL)
870 - if ( $is_legacy_manual ) {
871 - $source_url = '';
872 - }
873 - }
874 -
875 - // Use the existing submit_content_to_db which handles chunking, Pinecone, and WP DB
876 - $vector_id = ! empty($source_url) ? md5($source_url) : md5('mxchat_manual_' . $entry_id);
877 -
878 - // submit_content_to_db already handles: delete old chunks → re-chunk → re-embed → store
879 - $result = MxChat_Utils::submit_content_to_db( $content, $source_url, $api_key, $vector_id, $bot_id, $content_type );
880 -
881 - if ( is_wp_error($result) ) {
882 - wp_send_json_error( array( 'message' => $result->get_error_message() ) );
883 - }
884 -
885 - wp_send_json_success( array( 'message' => 'Content saved and re-embedded successfully.' ) );
886 -}
887 -
888 -public function mxchat_get_pdf_processing_status($pdf_url) {
889 - $pdf_url = esc_url_raw($pdf_url);
890 - $status = get_transient(sanitize_key('mxchat_pdf_status_' . md5($pdf_url)));
891 -
892 - if (!$status || !is_array($status)) {
893 - return false;
894 - }
895 -
896 - // Check for stalled processing (no updates for 5 minutes)
897 - if ($status['status'] === 'processing' && (time() - absint($status['last_update'])) > 300) {
898 - $status['status'] = 'error';
899 - $status['error'] = __('PDF processing appears to be stalled. No updates for over 5 minutes.', 'mxchat');
900 -
901 - // Save the updated status
902 - set_transient(
903 - sanitize_key('mxchat_pdf_status_' . md5($pdf_url)),
904 - array_map('sanitize_text_field', $status),
905 - DAY_IN_SECONDS
906 - );
907 - }
908 -
909 - $result = array(
910 - 'total_pages' => absint($status['total_pages']),
911 - 'processed_pages' => absint($status['processed_pages']),
912 - 'failed_pages' => absint($status['failed_pages'] ?? 0),
913 - 'percentage' => ($status['total_pages'] > 0)
914 - ? round((absint($status['processed_pages']) / absint($status['total_pages'])) * 100)
915 - : 0,
916 - 'status' => sanitize_text_field($status['status']),
917 - 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
918 - 'failed_pages_list' => isset($status['failed_pages_list']) ? $status['failed_pages_list'] : array(),
919 - 'completion_summary' => isset($status['completion_summary']) ? $status['completion_summary'] : null
920 - );
921 -
922 - // Add error message if present
923 - if (isset($status['error']) && !empty($status['error'])) {
924 - $result['error'] = sanitize_text_field($status['error']);
925 - }
926 -
927 - return $result;
928 -}
929 -
930 -
931 -public function mxchat_handle_sitemap_submission() {
932 - // Check if the form was submitted and verify permissions
933 - if (!isset($_POST['submit_sitemap']) || !current_user_can('manage_options')) {
934 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
935 - }
936 -
937 - // Verify nonce
938 - check_admin_referer('mxchat_submit_sitemap_action', 'mxchat_submit_sitemap_nonce');
939 -
940 - // Validate URL
941 - if (!isset($_POST['sitemap_url']) || empty($_POST['sitemap_url'])) {
942 - set_transient('mxchat_admin_notice_error',
943 - esc_html__('Please provide a valid URL.', 'mxchat'),
944 - 30
945 - );
946 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
947 - exit;
948 - }
949 -
950 - $submitted_url = esc_url_raw($_POST['sitemap_url']);
951 -
952 - // Convert Google Drive sharing URLs to direct download URLs
953 - if ( strpos($submitted_url, 'drive.google.com') !== false ) {
954 - $file_id = '';
955 - if ( preg_match('/[?&]id=([a-zA-Z0-9_-]+)/', $submitted_url, $m) ) {
956 - $file_id = $m[1];
957 - } elseif ( preg_match('#/file/d/([a-zA-Z0-9_-]+)#', $submitted_url, $m) ) {
958 - $file_id = $m[1];
959 - }
960 - if ( ! empty($file_id) ) {
961 - $submitted_url = 'https://drive.google.com/uc?export=download&id=' . $file_id;
962 - }
963 - }
964 -
965 - // Get bot_id from form submission
966 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
967 -
968 - // Get bot-specific options and validate API key
969 - $bot_options = $this->get_bot_options($bot_id);
970 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
971 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
972 -
973 - if (strpos($selected_model, 'voyage') === 0) {
974 - $api_key = $options['voyage_api_key'] ?? '';
975 - $provider_name = 'Voyage AI';
976 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
977 - $api_key = $options['gemini_api_key'] ?? '';
978 - $provider_name = 'Google Gemini';
979 - } else {
980 - $api_key = $options['api_key'] ?? '';
981 - $provider_name = 'OpenAI';
982 - }
983 -
984 - if (empty($api_key)) {
985 - $error_message = sprintf(
986 - esc_html__('%s API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
987 - $provider_name
988 - );
989 - set_transient('mxchat_admin_notice_error', $error_message, 30);
990 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
991 - exit;
992 - }
993 -
994 - // Fetch URL — use browser-like headers so servers with bot protection don't block us
995 - $response = wp_remote_get($submitted_url, array(
996 - 'timeout' => 30,
997 - 'sslverify' => false,
998 - 'user-agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
999 - 'headers' => array(
1000 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
1001 - 'Accept-Language' => 'en-US,en;q=0.9',
1002 - ),
1003 - ));
1004 -
1005 - if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
1006 - $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP Status: ' . wp_remote_retrieve_response_code($response);
1007 - set_transient('mxchat_admin_notice_error',
1008 - sprintf(
1009 - esc_html__('Failed to fetch the URL: %s', 'mxchat'),
1010 - esc_html($error_message)
1011 - ),
1012 - 30
1013 - );
1014 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1015 - exit;
1016 - }
1017 -
1018 - $content_type = wp_remote_retrieve_header($response, 'content-type');
1019 - $body_content = wp_remote_retrieve_body($response);
1020 -
1021 - if (empty($body_content)) {
1022 - set_transient('mxchat_admin_notice_error',
1023 - esc_html__('Empty response received from URL.', 'mxchat'),
1024 - 30
1025 - );
1026 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1027 - exit;
1028 - }
1029 -
1030 - // Handle PDF URL
1031 - if ($this->mxchat_is_pdf_url($submitted_url, $response)) {
1032 - $result = $this->mxchat_handle_pdf_for_knowledge_base($submitted_url, $response, $bot_id);
1033 -
1034 - if ($result === 'queued') {
1035 - set_transient('mxchat_admin_notice_success',
1036 - esc_html__('PDF queued for processing. Processing will start automatically.', 'mxchat'),
1037 - 30
1038 - );
1039 - } else {
1040 - set_transient('mxchat_admin_notice_error',
1041 - esc_html__('Failed to queue PDF processing: ', 'mxchat') . esc_html($result),
1042 - 30
1043 - );
1044 - }
1045 -
1046 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1047 - exit;
1048 - }
1049 -
1050 - // Handle Sitemap XML
1051 - if (strpos($content_type, 'xml') !== false || strpos($body_content, '<urlset') !== false) {
1052 - libxml_use_internal_errors(true);
1053 - $xml = simplexml_load_string($body_content);
1054 - $xml_errors = libxml_get_errors();
1055 - libxml_clear_errors();
1056 -
1057 - if ($xml === false || !empty($xml_errors)) {
1058 - set_transient('mxchat_admin_notice_error',
1059 - esc_html__('Invalid sitemap XML. Please provide a valid sitemap.', 'mxchat'),
1060 - 30
1061 - );
1062 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1063 - exit;
1064 - }
1065 -
1066 - $result = $this->mxchat_handle_sitemap_for_knowledge_base($xml, $submitted_url, $bot_id);
1067 -
1068 - if ($result === 'queued') {
1069 - set_transient('mxchat_admin_notice_success',
1070 - esc_html__('Sitemap queued for processing. Processing will start automatically.', 'mxchat'),
1071 - 30
1072 - );
1073 - } else {
1074 - set_transient('mxchat_admin_notice_error',
1075 - esc_html__('Failed to queue sitemap processing. Please check the status below for details.', 'mxchat'),
1076 - 30
1077 - );
1078 - }
1079 -
1080 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1081 - exit;
1082 - }
1083 -
1084 - // Handle Regular URL (single page)
1085 - $page_content = $this->mxchat_extract_main_content($body_content);
1086 - $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
1087 -
1088 - //error_log('[MXCHAT-URL-DEBUG] URL: ' . $submitted_url);
1089 - //error_log('[MXCHAT-URL-DEBUG] Extracted page_content length: ' . strlen($page_content));
1090 - //error_log('[MXCHAT-URL-DEBUG] Sanitized content length: ' . strlen($sanitized_content));
1091 - //error_log('[MXCHAT-URL-DEBUG] Content preview: ' . substr($sanitized_content, 0, 500));
1092 -
1093 - if (empty($sanitized_content)) {
1094 - set_transient('mxchat_admin_notice_error',
1095 - esc_html__('No valid content found on the provided URL.', 'mxchat'),
1096 - 30
1097 - );
1098 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1099 - exit;
1100 - }
1101 -
1102 - // For single URLs, process immediately using submit_content_to_db
1103 - // This handles chunking automatically for large content
1104 - $db_result = MxChat_Utils::submit_content_to_db(
1105 - $sanitized_content,
1106 - $submitted_url,
1107 - $api_key,
1108 - null,
1109 - $bot_id,
1110 - 'url' // content_type
1111 - );
1112 -
1113 - if (is_wp_error($db_result)) {
1114 - $error_message = esc_html__('Failed to store content in database: ', 'mxchat') . esc_html($db_result->get_error_message());
1115 - set_transient('mxchat_admin_notice_error', $error_message, 30);
1116 - } else {
1117 - $success_message = esc_html__('URL content successfully submitted!', 'mxchat');
1118 - set_transient('mxchat_admin_notice_success', $success_message, 30);
1119 - }
1120 -
1121 - wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1122 - exit;
1123 -}
1124 -
1125 -
1126 -public function mxchat_get_single_url_status() {
1127 - $status = get_transient('mxchat_single_url_status');
1128 - if (!$status) {
1129 - return null;
1130 - }
1131 -
1132 - // Add human-readable time
1133 - if (isset($status['timestamp'])) {
1134 - $status['human_time'] = human_time_diff(strtotime($status['timestamp']), current_time('timestamp')) . ' ' . __('ago', 'mxchat');
1135 - }
1136 -
1137 - return $status;
1138 -}
1139 -
1140 -public function mxchat_handle_sitemap_for_knowledge_base($xml, $sitemap_url, $bot_id = 'default') {
1141 - if (!current_user_can('manage_options')) {
1142 - return false;
1143 - }
1144 -
1145 - try {
1146 - $sitemap_url = esc_url_raw($sitemap_url);
1147 -
1148 - if (!$xml || !is_object($xml)) {
1149 - throw new Exception(__('Invalid XML object provided', 'mxchat'));
1150 - }
1151 -
1152 - // Get bot-specific embedding API for validation
1153 - $bot_options = $this->get_bot_options($bot_id);
1154 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
1155 -
1156 - // Test the embedding API before processing
1157 - $test_phrase = "Test embedding generation for MxChat";
1158 - $test_result = $this->mxchat_generate_embedding($test_phrase, $bot_id);
1159 -
1160 - if (is_string($test_result)) {
1161 - throw new Exception(__('Embedding API validation failed: ', 'mxchat') . $test_result);
1162 - }
1163 -
1164 - if (!is_array($test_result)) {
1165 - throw new Exception(__('Embedding API returned unexpected result type. Please check your configuration.', 'mxchat'));
1166 - }
1167 -
1168 - // Extract URLs from sitemap
1169 - $urls = array();
1170 - foreach ($xml->url as $url_element) {
1171 - $url = esc_url_raw((string)$url_element->loc);
1172 - if ($url) {
1173 - $urls[] = array('url' => $url);
1174 - }
1175 - }
1176 -
1177 - $total_urls = count($urls);
1178 -
1179 - if ($total_urls < 1) {
1180 - throw new Exception(__('No valid URLs found in sitemap', 'mxchat'));
1181 - }
1182 -
1183 - // Create unique queue ID
1184 - $queue_id = 'sitemap_' . md5($sitemap_url . time());
1185 -
1186 - // Add URLs to queue
1187 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'url', $urls, $bot_id);
1188 -
1189 - if ($queued_count === 0) {
1190 - throw new Exception(__('Failed to add URLs to processing queue', 'mxchat'));
1191 - }
1192 -
1193 - // Store queue metadata
1194 - $this->mxchat_set_queue_meta($queue_id, 'source_url', $sitemap_url);
1195 - $this->mxchat_set_queue_meta($queue_id, 'queue_type', 'sitemap');
1196 - $this->mxchat_set_queue_meta($queue_id, 'total_items', $total_urls);
1197 - $this->mxchat_set_queue_meta($queue_id, 'bot_id', $bot_id);
1198 - $this->mxchat_set_queue_meta($queue_id, 'created_at', current_time('mysql'));
1199 -
1200 - // Store queue ID in transient for status tracking
1201 - set_transient('mxchat_active_queue_sitemap', $queue_id, DAY_IN_SECONDS);
1202 - set_transient('mxchat_last_sitemap_url', $sitemap_url, DAY_IN_SECONDS);
1203 -
1204 - return 'queued';
1205 -
1206 - } catch (Exception $e) {
1207 - $error_message = $e->getMessage();
1208 - //error_log(sprintf(esc_html__('Error preparing sitemap for processing: %s', 'mxchat'), esc_html($error_message)));
1209 -
1210 - return $error_message;
1211 - }
1212 -
1213 -}
1214 -
1215 -/**
1216 - * Remove shortcode tags but preserve the content inside them
1217 - * Example: [vc_column]Hello World[/vc_column] becomes "Hello World"
1218 - *
1219 - * @param string $content The content containing shortcodes
1220 - * @return string Content with shortcode tags removed but inner content preserved
1221 - */
1222 -private function strip_shortcode_tags_preserve_content($content) {
1223 - // Single-pass regex removes all shortcode brackets: [tag], [tag attr="val"], [/tag], [tag /]
1224 - // Content between tags is inherently preserved since only brackets are targeted
1225 - $result = preg_replace('/\[\/?\w[\w-]*[^\]]*\]/', '', $content);
1226 - return ($result !== null) ? $result : $content;
1227 -}
1228 -
1229 -public function mxchat_sanitize_content_for_api($content) {
1230 - //error_log('[MXCHAT-SANITIZE] Original content preview: ' . substr($content, 0, 500) . '...');
1231 -
1232 - // Remove shortcode tags but PRESERVE content inside them
1233 - $content = $this->strip_shortcode_tags_preserve_content($content);
1234 -
1235 - // Remove script, style tags, and HTML comments
1236 - $content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $content);
1237 - $content = preg_replace('/<style\b[^>]*>(.*?)<\/style>/is', '', $content);
1238 - $content = preg_replace('/<!--(.|\s)*?-->/', '', $content);
1239 -
1240 - // Remove all HTML tags and decode HTML entities
1241 - $content = wp_strip_all_tags($content);
1242 - $content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5);
1243 -
1244 - // Normalize whitespace but preserve paragraph breaks
1245 - // First, normalize line endings to \n
1246 - $content = str_replace(["\r\n", "\r"], "\n", $content);
1247 - // Replace multiple spaces/tabs with single space, but preserve newlines
1248 - $content = preg_replace('/[ \t]+/', ' ', $content);
1249 - // Replace 3+ newlines with 2 newlines (max 2 blank lines)
1250 - $content = preg_replace('/\n{3,}/', "\n\n", $content);
1251 - // Trim each line
1252 - $lines = explode("\n", $content);
1253 - $lines = array_map('trim', $lines);
1254 - $content = implode("\n", $lines);
1255 - // Final trim
1256 - $content = trim($content);
1257 -
1258 - // Remove control characters (which can cause database issues) but preserve \n (0x0A) and \r (0x0D)
1259 - $content = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/u', '', $content);
1260 -
1261 - // Remove NULL bytes which can cause database errors
1262 - $content = str_replace("\0", "", $content);
1263 -
1264 - // Ensure valid UTF-8 encoding
1265 - $content = wp_check_invalid_utf8($content);
1266 -
1267 - // Remove any extremely long strings without spaces (often garbage)
1268 - $content = preg_replace('/\S{300,}/', ' ', $content);
1269 -
1270 - // Replace problematic characters that often cause database issues
1271 - $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); // Remove emoji and other high Unicode characters
1272 -
1273 - // Replace any remaining potentially problematic characters with spaces
1274 - // BUT preserve newlines by temporarily replacing them
1275 - $content = str_replace("\n", "NEWLINE_PLACEHOLDER", $content);
1276 - $content = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\p{Sm}]/u', ' ', $content);
1277 - $content = str_replace("NEWLINE_PLACEHOLDER", "\n", $content);
1278 -
1279 - // Limit to reasonable length if needed
1280 - $max_length = 65000; // Just under MySQL TEXT field limit
1281 - if (strlen($content) > $max_length) {
1282 - $content = substr($content, 0, $max_length);
1283 - }
1284 -
1285 - //error_log('[MXCHAT-SANITIZE] Sanitized content preview: ' . substr($content, 0, 500) . '...');
1286 - return $content;
1287 -}
1288 -public function mxchat_extract_main_content($html) {
1289 - if (empty($html)) {
1290 - return '';
1291 - }
1292 - try {
1293 - $dom = new DOMDocument;
1294 - libxml_use_internal_errors(true); // Suppress HTML parsing errors
1295 - @$dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
1296 - $xpath = new DOMXPath($dom);
1297 -
1298 - // For debugging purposes
1299 - $debugEnabled = true; // Set to true to enable debugging output
1300 - $debug = function($message) use ($debugEnabled) {
1301 - if ($debugEnabled) {
1302 - //error_log('[MXCHAT-EXTRACT-DEBUG] ' . $message);
1303 - }
1304 - };
1305 -
1306 - // Direct targeting for Gerow theme posts
1307 - $post_text = $xpath->query('//div[contains(@class, "post-text")]');
1308 - if ($post_text && $post_text->length > 0) {
1309 - $debug("Found post-text directly");
1310 - $content = '';
1311 - foreach ($post_text as $node) {
1312 - $content .= $dom->saveHTML($node);
1313 - }
1314 - if (!empty($content)) {
1315 - $debug("Returning post-text content");
1316 - return $content;
1317 - }
1318 - }
1319 -
1320 - // Try to get the blog details content which contains the post-text
1321 - $blog_details = $xpath->query('//div[contains(@class, "blog-details-content")]');
1322 - if ($blog_details && $blog_details->length > 0) {
1323 - $debug("Found blog-details-content");
1324 - $content = '';
1325 - foreach ($blog_details as $node) {
1326 - $content .= $dom->saveHTML($node);
1327 - }
1328 - if (!empty($content)) {
1329 - $debug("Returning blog-details-content");
1330 - return $content;
1331 - }
1332 - }
1333 -
1334 - // Try to get the article which contains the blog details
1335 - $article = $xpath->query('//article[contains(@class, "blog-details-wrap")]');
1336 - if ($article && $article->length > 0) {
1337 - $debug("Found article with blog-details-wrap");
1338 - $content = '';
1339 - foreach ($article as $node) {
1340 - $content .= $dom->saveHTML($node);
1341 - }
1342 - if (!empty($content)) {
1343 - $debug("Returning article content");
1344 - return $content;
1345 - }
1346 - }
1347 -
1348 - // Try even broader with the blog-item-wrap
1349 - $blog_item = $xpath->query('//div[contains(@class, "blog-item-wrap")]');
1350 - if ($blog_item && $blog_item->length > 0) {
1351 - $debug("Found blog-item-wrap");
1352 - $content = '';
1353 - foreach ($blog_item as $node) {
1354 - $content .= $dom->saveHTML($node);
1355 - }
1356 - if (!empty($content)) {
1357 - $debug("Returning blog-item-wrap content");
1358 - return $content;
1359 - }
1360 - }
1361 -
1362 - // Specific Gerow theme path
1363 - $gerow_path = $xpath->query('//section[contains(@class, "blog-area")]//div[contains(@class, "post-text")]');
1364 - if ($gerow_path && $gerow_path->length > 0) {
1365 - $debug("Found Gerow theme path to post-text");
1366 - $content = '';
1367 - foreach ($gerow_path as $node) {
1368 - $content .= $dom->saveHTML($node);
1369 - }
1370 - if (!empty($content)) {
1371 - $debug("Returning Gerow post-text content");
1372 - return $content;
1373 - }
1374 - }
1375 -
1376 - // Generic blog post selectors
1377 - $selectors = [
1378 - // Blog post specific selectors
1379 - '//div[contains(@class, "post-text")]',
1380 - '//article[contains(@class, "blog-post-item")]//div[contains(@class, "post-text")]',
1381 - '//div[contains(@class, "blog-details-content")]',
1382 - '//article[contains(@class, "blog-details-wrap")]',
1383 - '//div[contains(@class, "entry-content")]',
1384 - '//div[contains(@class, "blog-content")]',
1385 - '//div[contains(@class, "blog-item-wrap")]',
1386 -
1387 - // More general content selectors
1388 - '//div[contains(@class, "page__content")]',
1389 - '//div[contains(@class, "elementor-widget-container")]',
1390 - '//div[contains(@class, "elementor-text-editor")]',
1391 - '//div[contains(@class, "elementor-widget-text-editor")]',
1392 - '//*[contains(@class, "entry-content")]',
1393 - '//*[contains(@class, "post-content")]',
1394 - '//*[contains(@class, "article-content")]',
1395 - '//*[@id="content"]',
1396 - '//*[@id="main-content"]',
1397 - '//section[contains(@class, "blog-area")]',
1398 - '//article',
1399 - '//main',
1400 - '//div[contains(@class, "content")]'
1401 - ];
1402 -
1403 - // First handle Elementor content - get only leaf widget containers to avoid duplicates
1404 - $debug("Checking for Elementor content");
1405 - // Get widget containers that are direct children of widgets (not nested inside other widget containers)
1406 - $elementor_widgets = $xpath->query('//div[contains(@class, "elementor-widget")]//div[contains(@class, "elementor-widget-container")]');
1407 - if ($elementor_widgets && $elementor_widgets->length > 0) {
1408 - $debug("Found Elementor widgets");
1409 - $seen_content = array(); // Track seen content to avoid duplicates
1410 - $combined_content = '';
1411 - foreach ($elementor_widgets as $widget) {
1412 - $widget_content = $dom->saveHTML($widget);
1413 - if (!empty($widget_content)) {
1414 - // Create a hash of the content to detect duplicates
1415 - $content_hash = md5($widget_content);
1416 - if (!isset($seen_content[$content_hash])) {
1417 - $seen_content[$content_hash] = true;
1418 - $combined_content .= $widget_content;
1419 - }
1420 - }
1421 - }
1422 - if (!empty($combined_content)) {
1423 - $debug("Returning Elementor content");
1424 - return $combined_content;
1425 - }
1426 - }
1427 -
1428 - // Try standard selectors one by one
1429 - foreach ($selectors as $selector) {
1430 - $debug("Trying selector: " . $selector);
1431 - $nodes = $xpath->query($selector);
1432 - if ($nodes && $nodes->length > 0) {
1433 - $debug("Found " . $nodes->length . " matches for selector: " . $selector);
1434 - // Only take the FIRST matching node to avoid duplicate content
1435 - // (pages often have nested or multiple containers with same class)
1436 - $content = $dom->saveHTML($nodes->item(0));
1437 - if (!empty($content)) {
1438 - $debug("Returning content from selector: " . $selector . " (first match only)");
1439 - return $content;
1440 - }
1441 - }
1442 - }
1443 -
1444 - // Manual regex fallback for post-text if DOM methods fail
1445 - $debug("Trying regex fallback");
1446 - if (preg_match('/<div class="post-text">(.*?)<\/div>\s*<\/div>\s*<\/div>/s', $html, $matches)) {
1447 - $debug("Found post-text via regex");
1448 - return '<div class="post-text">' . $matches[1] . '</div>';
1449 - }
1450 -
1451 - // Try to extract the blog section as a whole
1452 - $blog_section = $xpath->query('//section[contains(@class, "blog-area")]');
1453 - if ($blog_section && $blog_section->length > 0) {
1454 - $debug("Found blog-area section");
1455 - $content = '';
1456 - foreach ($blog_section as $node) {
1457 - $content .= $dom->saveHTML($node);
1458 - }
1459 - if (!empty($content)) {
1460 - $debug("Returning blog-area section content");
1461 - return $content;
1462 - }
1463 - }
1464 -
1465 - // Generic container selectors for non-CMS sites (like .asp pages)
1466 - $debug("Trying generic container selectors");
1467 - $generic_selectors = [
1468 - '//div[@id="main"]',
1469 - '//div[@id="wrapper"]',
1470 - '//div[@id="page"]',
1471 - '//div[@id="site-content"]',
1472 - '//div[contains(@class, "main-content")]',
1473 - '//div[contains(@class, "page-content")]',
1474 - '//div[contains(@class, "site-content")]',
1475 - ];
1476 -
1477 - foreach ($generic_selectors as $selector) {
1478 - $debug("Trying generic selector: " . $selector);
1479 - $nodes = $xpath->query($selector);
1480 - if ($nodes && $nodes->length > 0) {
1481 - $content = $dom->saveHTML($nodes->item(0));
1482 - if (!empty($content)) {
1483 - $debug("Returning content from generic selector: " . $selector);
1484 - return $content;
1485 - }
1486 - }
1487 - }
1488 -
1489 - // Paragraph-based content detection - find regions with substantial text
1490 - $debug("Trying paragraph-based content detection");
1491 - $paragraphs = $xpath->query('//p[string-length(normalize-space()) > 50]');
1492 - if ($paragraphs && $paragraphs->length >= 3) {
1493 - $debug("Found " . $paragraphs->length . " substantial paragraphs");
1494 - // Collect all substantial paragraphs and their content
1495 - $paragraph_content = '';
1496 - foreach ($paragraphs as $p) {
1497 - $paragraph_content .= $dom->saveHTML($p) . "\n";
1498 - }
1499 - if (!empty($paragraph_content)) {
1500 - $debug("Returning paragraph-based content");
1501 - return $paragraph_content;
1502 - }
1503 - }
1504 -
1505 - // Improved body fallback - strip nav/header/footer elements first
1506 - $debug("Using improved body fallback");
1507 - $body = $dom->getElementsByTagName('body');
1508 - if ($body->length > 0) {
1509 - // Clone the body to avoid modifying the original DOM
1510 - $body_clone = $body->item(0)->cloneNode(true);
1511 -
1512 - // Remove common non-content elements by tag name
1513 - $remove_tags = ['nav', 'header', 'footer', 'aside', 'script', 'style', 'noscript'];
1514 - foreach ($remove_tags as $tag) {
1515 - $elements = $body_clone->getElementsByTagName($tag);
1516 - // Iterate backwards to safely remove elements
1517 - for ($i = $elements->length - 1; $i >= 0; $i--) {
1518 - $el = $elements->item($i);
1519 - if ($el && $el->parentNode) {
1520 - $el->parentNode->removeChild($el);
1521 - }
1522 - }
1523 - }
1524 -
1525 - // Remove elements with common non-content class names using XPath on the cloned body
1526 - $temp_dom = new DOMDocument();
1527 - @$temp_dom->appendChild($temp_dom->importNode($body_clone, true));
1528 - $temp_xpath = new DOMXPath($temp_dom);
1529 -
1530 - $remove_class_patterns = [
1531 - '//*[contains(@class, "nav")]',
1532 - '//*[contains(@class, "menu")]',
1533 - '//*[contains(@class, "sidebar")]',
1534 - '//*[contains(@class, "footer")]',
1535 - '//*[contains(@class, "header")]',
1536 - '//*[contains(@id, "nav")]',
1537 - '//*[contains(@id, "menu")]',
1538 - '//*[contains(@id, "sidebar")]',
1539 - '//*[contains(@id, "footer")]',
1540 - '//*[contains(@id, "header")]',
1541 - ];
1542 -
1543 - foreach ($remove_class_patterns as $pattern) {
1544 - $elements = $temp_xpath->query($pattern);
1545 - if ($elements) {
1546 - for ($i = $elements->length - 1; $i >= 0; $i--) {
1547 - $el = $elements->item($i);
1548 - if ($el && $el->parentNode) {
1549 - $el->parentNode->removeChild($el);
1550 - }
1551 - }
1552 - }
1553 - }
1554 -
1555 - $cleaned_content = $temp_dom->saveHTML();
1556 - if (!empty($cleaned_content)) {
1557 - $debug("Returning cleaned body content");
1558 - return $cleaned_content;
1559 - }
1560 - }
1561 -
1562 - // Last resort: return the original HTML
1563 - $debug("Returning original HTML");
1564 - return $html;
1565 - } catch (Exception $e) {
1566 - //error_log('[MXCHAT-ERROR] Content extraction failed: ' . $e->getMessage());
1567 - return $html; // Return original HTML if parsing fails
1568 - } finally {
1569 - libxml_clear_errors();
1570 - }
1571 -}
1572 -public function mxchat_get_sitemap_processing_status($sitemap_url) {
1573 - $sitemap_url = esc_url_raw($sitemap_url);
1574 - $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
1575 - $status = get_transient($status_key);
1576 -
1577 - if (!$status || !is_array($status)) {
1578 - return false;
1579 - }
1580 -
1581 - // Auto-complete check: if all URLs are processed but status isn't complete
1582 - if (isset($status['processed_urls']) && isset($status['total_urls']) &&
1583 - $status['processed_urls'] >= $status['total_urls'] &&
1584 - isset($status['status']) && $status['status'] !== 'complete' &&
1585 - $status['status'] !== 'error') {
1586 -
1587 - // Mark as complete
1588 - $status['status'] = 'complete';
1589 - $status['processed_urls'] = $status['total_urls']; // Ensure exact match
1590 -
1591 - // Update the transient with the corrected status
1592 - set_transient($status_key, $status, DAY_IN_SECONDS);
1593 - }
1594 -
1595 - return array(
1596 - 'total_urls' => absint($status['total_urls']),
1597 - 'processed_urls' => absint($status['processed_urls']),
1598 - 'failed_urls' => absint($status['failed_urls'] ?? 0),
1599 - 'percentage' => ($status['total_urls'] > 0)
1600 - ? round((absint($status['processed_urls']) / absint($status['total_urls'])) * 100)
1601 - : 0,
1602 - 'status' => sanitize_text_field($status['status']),
1603 - 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
1604 - 'error' => isset($status['error']) ? sanitize_text_field($status['error']) : '',
1605 - 'last_error' => isset($status['last_error']) ? sanitize_text_field($status['last_error']) : '',
1606 - 'failed_urls_list' => isset($status['failed_urls_list']) ? $status['failed_urls_list'] : array()
1607 - );
1608 -}
1609 -
1610 -public function mxchat_ajax_get_status_updates() {
1611 - try {
1612 - // Verify the request
1613 - check_ajax_referer('mxchat_status_nonce', 'nonce');
1614 -
1615 - // Get active queue IDs
1616 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
1617 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
1618 -
1619 - $sitemap_status = false;
1620 - $pdf_status = false;
1621 -
1622 - // Get sitemap queue status
1623 - if ($sitemap_queue_id) {
1624 - $sitemap_status = $this->mxchat_get_queue_status_data($sitemap_queue_id, 'sitemap');
1625 - }
1626 -
1627 - // Get PDF queue status
1628 - if ($pdf_queue_id) {
1629 - $pdf_status = $this->mxchat_get_queue_status_data($pdf_queue_id, 'pdf');
1630 - }
1631 -
1632 - $is_active_processing =
1633 - ($sitemap_status && $sitemap_status['status'] === 'processing') ||
1634 - ($pdf_status && $pdf_status['status'] === 'processing');
1635 -
1636 - // Return JSON response with the status data
1637 - wp_send_json(array(
1638 - 'pdf_status' => $pdf_status,
1639 - 'sitemap_status' => $sitemap_status,
1640 - 'is_processing' => $is_active_processing,
1641 - 'sitemap_queue_id' => $sitemap_queue_id,
1642 - 'pdf_queue_id' => $pdf_queue_id
1643 - ));
1644 -
1645 - } catch (Exception $e) {
1646 - //error_log('MxChat Status Update Error: ' . $e->getMessage());
1647 -
1648 - wp_send_json_error(array(
1649 - 'message' => 'Error getting status updates: ' . $e->getMessage(),
1650 - 'status' => 'error'
1651 - ));
1652 - }
1653 -}
1654 -
1655 -/**
1656 - * Helper function to get queue status data
1657 - */
1658 -private function mxchat_get_queue_status_data($queue_id, $type = 'sitemap') {
1659 - global $wpdb;
1660 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
1661 -
1662 - // Get counts by status
1663 - $counts = $wpdb->get_results($wpdb->prepare(
1664 - "SELECT status, COUNT(*) as count
1665 - FROM $table_name
1666 - WHERE queue_id = %s
1667 - GROUP BY status",
1668 - $queue_id
1669 - ), OBJECT_K);
1670 -
1671 - $total = 0;
1672 - $completed = 0;
1673 - $failed = 0;
1674 - $processing = 0;
1675 - $pending = 0;
1676 -
1677 - foreach ($counts as $status => $data) {
1678 - $count = absint($data->count);
1679 - $total += $count;
1680 -
1681 - switch ($status) {
1682 - case 'completed':
1683 - $completed = $count;
1684 - break;
1685 - case 'failed':
1686 - $failed = $count;
1687 - break;
1688 - case 'processing':
1689 - $processing = $count;
1690 - break;
1691 - case 'pending':
1692 - $pending = $count;
1693 - break;
1694 - }
1695 - }
1696 -
1697 - if ($total === 0) {
1698 - return false;
1699 - }
1700 -
1701 - // Calculate percentage
1702 - $percentage = round((($completed + $failed) / $total) * 100);
1703 -
1704 - // Get failed items details (limit to 50)
1705 - $failed_items = array();
1706 - if ($failed > 0) {
1707 - $failed_results = $wpdb->get_results($wpdb->prepare(
1708 - "SELECT item_type, item_data, error_message, attempts, completed_at
1709 - FROM $table_name
1710 - WHERE queue_id = %s
1711 - AND status = 'failed'
1712 - AND attempts >= max_attempts
1713 - ORDER BY id DESC
1714 - LIMIT 50",
1715 - $queue_id
1716 - ));
1717 -
1718 - foreach ($failed_results as $item) {
1719 - $data = json_decode($item->item_data, true);
1720 - $url = $type === 'pdf' ? ($data['pdf_url'] ?? '') : ($data['url'] ?? '');
1721 -
1722 - $failed_items[] = array(
1723 - 'url' => $url,
1724 - 'page' => $type === 'pdf' ? ($data['page_number'] ?? 0) : 0,
1725 - 'error' => $item->error_message,
1726 - 'retries' => $item->attempts,
1727 - 'time' => strtotime($item->completed_at)
1728 - );
1729 - }
1730 - }
1731 -
1732 - // Get queue metadata
1733 - $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
1734 -
1735 - // Determine if queue is complete
1736 - $is_complete = ($pending === 0 && $processing === 0);
1737 -
1738 - // Get last update time
1739 - $last_update = $wpdb->get_var($wpdb->prepare(
1740 - "SELECT MAX(UNIX_TIMESTAMP(COALESCE(completed_at, started_at, created_at)))
1741 - FROM $table_name
1742 - WHERE queue_id = %s",
1743 - $queue_id
1744 - ));
1745 -
1746 - $last_update_text = $last_update ? human_time_diff($last_update, time()) . ' ' . __('ago', 'mxchat') : __('Just now', 'mxchat');
1747 -
1748 - // Format based on type
1749 - if ($type === 'pdf') {
1750 - return array(
1751 - 'total_pages' => $total,
1752 - 'processed_pages' => $completed + $failed,
1753 - 'failed_pages' => $failed,
1754 - 'percentage' => $percentage,
1755 - 'status' => $is_complete ? 'complete' : 'processing',
1756 - 'last_update' => $last_update_text,
1757 - 'failed_pages_list' => $failed_items,
1758 - 'pdf_url' => $source_url,
1759 - 'queue_id' => $queue_id
1760 - );
1761 - } else {
1762 - return array(
1763 - 'total_urls' => $total,
1764 - 'processed_urls' => $completed + $failed,
1765 - 'failed_urls' => $failed,
1766 - 'percentage' => $percentage,
1767 - 'status' => $is_complete ? 'complete' : 'processing',
1768 - 'last_update' => $last_update_text,
1769 - 'failed_urls_list' => $failed_items,
1770 - 'sitemap_url' => $source_url,
1771 - 'queue_id' => $queue_id
1772 - );
1773 - }
1774 -}
1775 -
1776 -/**
1777 - * Public method to get processing status for both sitemap and PDF queues
1778 - * Used by admin pages to display processing status
1779 - *
1780 - * @return array Array with 'sitemap_status', 'pdf_status', and 'is_processing' keys
1781 - */
1782 -public function mxchat_get_processing_statuses() {
1783 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
1784 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
1785 -
1786 - $sitemap_status = false;
1787 - $pdf_status = false;
1788 -
1789 - if ($sitemap_queue_id) {
1790 - $sitemap_status = $this->mxchat_get_queue_status_data($sitemap_queue_id, 'sitemap');
1791 - }
1792 -
1793 - if ($pdf_queue_id) {
1794 - $pdf_status = $this->mxchat_get_queue_status_data($pdf_queue_id, 'pdf');
1795 - }
1796 -
1797 - $is_processing =
1798 - ($sitemap_status && $sitemap_status['status'] === 'processing') ||
1799 - ($pdf_status && $pdf_status['status'] === 'processing');
1800 -
1801 - return array(
1802 - 'sitemap_status' => $sitemap_status,
1803 - 'pdf_status' => $pdf_status,
1804 - 'is_processing' => $is_processing
1805 - );
1806 -}
1807 -
1808 -/**
1809 - * AJAX handler to get recent knowledge entries for real-time table updates
1810 - * UPDATED: Now supports both WordPress DB and Pinecone data sources
1811 - */
1812 -public function ajax_mxchat_get_recent_entries() {
1813 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
1814 -
1815 - if (!current_user_can('manage_options')) {
1816 - wp_send_json_error(array('message' => 'Unauthorized'));
1817 - return;
1818 - }
1819 -
1820 - global $wpdb;
1821 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
1822 -
1823 - // Get parameters
1824 - $last_id = isset($_POST['last_id']) ? absint($_POST['last_id']) : 0;
1825 - $limit = isset($_POST['limit']) ? min(absint($_POST['limit']), 50) : 10;
1826 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
1827 -
1828 - // Check if Pinecone is enabled for this bot
1829 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
1830 - $pinecone_options = $pinecone_manager ? $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id) : array();
1831 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
1832 - $has_pinecone_api = !empty($pinecone_options['mxchat_pinecone_api_key']);
1833 -
1834 - if ($use_pinecone && $has_pinecone_api) {
1835 - // PINECONE DATA SOURCE - Get grouped entry count (not raw vector count)
1836 - // Use mxchat_fetch_pinecone_records which returns total_unique_entries
1837 - $records = $pinecone_manager->mxchat_fetch_pinecone_records($pinecone_options, '', 1, 10, $bot_id, '');
1838 - $total_count = $records['total'] ?? 0;
1839 -
1840 - // For Pinecone, we don't return individual entries during polling
1841 - // (entries are already displayed on page load via mxchat_fetch_pinecone_records)
1842 - // We just return the updated count
1843 - wp_send_json_success(array(
1844 - 'entries' => array(),
1845 - 'total_count' => absint($total_count),
1846 - 'max_id' => $last_id,
1847 - 'data_source' => 'pinecone'
1848 - ));
1849 - return;
1850 - }
1851 -
1852 - // WORDPRESS DB DATA SOURCE
1853 - // Build query to get entries newer than last_id
1854 - $where_clauses = array('1=1');
1855 - $where_values = array();
1856 -
1857 - if ($last_id > 0) {
1858 - $where_clauses[] = 'id > %d';
1859 - $where_values[] = $last_id;
1860 - }
1861 -
1862 - // Note: WordPress DB table doesn't have bot_id column
1863 - // Multi-bot filtering is handled via Pinecone namespaces
1864 -
1865 - $where_sql = implode(' AND ', $where_clauses);
1866 -
1867 - // Get recent entries
1868 - $query = "SELECT id, article_content, source_url, timestamp
1869 - FROM $table_name
1870 - WHERE $where_sql
1871 - ORDER BY id DESC
1872 - LIMIT %d";
1873 -
1874 - $where_values[] = $limit;
1875 -
1876 - $entries = $wpdb->get_results($wpdb->prepare($query, $where_values));
1877 -
1878 - // Get total count of GROUPED entries (by source_url) - matches pagination display
1879 - // Count unique source_urls (excluding mxchat:// internal refs) + count of ungrouped rows
1880 - $total_count = $wpdb->get_var(
1881 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} WHERE source_url != '' AND source_url NOT LIKE 'mxchat://%') +
1882 - (SELECT COUNT(*) FROM {$table_name} WHERE source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')"
1883 - );
1884 -
1885 - // Format entries for response
1886 - $formatted_entries = array();
1887 - $preview_length = 150;
1888 - foreach ($entries as $entry) {
1889 - // Parse chunk metadata using the proper chunker method (same as initial page load)
1890 - if (class_exists('MxChat_Chunker')) {
1891 - $chunk_meta = MxChat_Chunker::parse_stored_chunk($entry->article_content);
1892 - $display_content = $chunk_meta['text'];
1893 - $chunk_metadata = $chunk_meta['metadata'];
1894 - } else {
1895 - $display_content = $entry->article_content;
1896 - $chunk_metadata = array();
1897 - }
1898 -
1899 - $content_preview = mb_strlen($display_content) > $preview_length
1900 - ? mb_substr($display_content, 0, $preview_length) . '...'
1901 - : $display_content;
1902 -
1903 - $formatted_entries[] = array(
1904 - 'id' => $entry->id,
1905 - 'preview' => esc_html($content_preview),
1906 - 'full_content' => wp_kses_post(wpautop($display_content)),
1907 - 'content_length' => mb_strlen($display_content),
1908 - 'preview_length' => $preview_length,
1909 - 'source_url' => $entry->source_url,
1910 - 'has_link' => !empty($entry->source_url) && strpos($entry->source_url, 'mxchat://') !== 0,
1911 - 'chunk_metadata' => $chunk_metadata,
1912 - 'bot_id' => $entry->bot_id ?? 'default',
1913 - 'edit_nonce' => wp_create_nonce('mxchat_edit_entry_nonce'),
1914 - 'delete_nonce' => wp_create_nonce('mxchat_delete_prompt_nonce')
1915 - );
1916 - }
1917 -
1918 - wp_send_json_success(array(
1919 - 'entries' => $formatted_entries,
1920 - 'total_count' => absint($total_count),
1921 - 'max_id' => !empty($entries) ? $entries[0]->id : $last_id,
1922 - 'data_source' => 'wordpress'
1923 - ));
1924 -}
1925 -
1926 -/**
1927 - * Get Pinecone total count from stats API
1928 - * Helper function for ajax_mxchat_get_recent_entries
1929 - */
1930 -private function mxchat_get_pinecone_count_from_stats($pinecone_options) {
1931 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
1932 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
1933 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
1934 -
1935 - if (empty($api_key) || empty($host)) {
1936 - return 0;
1937 - }
1938 -
1939 - try {
1940 - $stats_url = "https://{$host}/describe_index_stats";
1941 -
1942 - $response = wp_remote_post($stats_url, array(
1943 - 'headers' => array(
1944 - 'Api-Key' => $api_key,
1945 - 'Content-Type' => 'application/json'
1946 - ),
1947 - 'body' => '{}',
1948 - 'timeout' => 10
1949 - ));
1950 -
1951 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
1952 - $body = wp_remote_retrieve_body($response);
1953 - $stats_data = json_decode($body, true);
1954 -
1955 - // If namespace is specified, get count from that specific namespace
1956 - if (!empty($namespace) && isset($stats_data['namespaces'][$namespace]['vectorCount'])) {
1957 - return intval($stats_data['namespaces'][$namespace]['vectorCount']);
1958 - }
1959 -
1960 - // If no namespace specified or namespace not found in response, use total
1961 - return intval($stats_data['totalVectorCount'] ?? 0);
1962 - }
1963 -
1964 - return 0;
1965 -
1966 - } catch (Exception $e) {
1967 - return 0;
1968 - }
1969 -}
1970 -
1971 -/**
1972 - * AJAX handler to refresh Pinecone entries table via AJAX
1973 - * Returns the table HTML for updating the UI without a full page reload
1974 - */
1975 -public function ajax_mxchat_refresh_pinecone_entries() {
1976 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
1977 -
1978 - if (!current_user_can('manage_options')) {
1979 - wp_send_json_error(array('message' => 'Unauthorized'));
1980 - return;
1981 - }
1982 -
1983 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
1984 - $page = isset($_POST['page']) ? absint($_POST['page']) : 1;
1985 - $per_page = 25;
1986 - $search_query = isset($_POST['search']) ? sanitize_text_field($_POST['search']) : '';
1987 - $content_type_filter = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : '';
1988 -
1989 - // Get Pinecone manager and options
1990 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
1991 - if (!$pinecone_manager) {
1992 - wp_send_json_error(array('message' => 'Pinecone manager not available'));
1993 - return;
1994 - }
1995 -
1996 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
1997 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
1998 - $pinecone_api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
1999 -
2000 - if (!$use_pinecone || empty($pinecone_api_key)) {
2001 - wp_send_json_error(array('message' => 'Pinecone not configured'));
2002 - return;
2003 - }
2004 -
2005 - // Fetch records from Pinecone
2006 - $records = $pinecone_manager->mxchat_fetch_pinecone_records($pinecone_options, $search_query, $page, $per_page, $bot_id, $content_type_filter);
2007 - $prompts = $records['data'] ?? array();
2008 - $total_records = $records['total'] ?? 0;
2009 -
2010 - // Preprocess Pinecone records — set chunk_metadata and display_content
2011 - // (matches admin-knowledge-page.php preprocessing)
2012 - foreach ($prompts as $prompt) {
2013 - if (isset($prompt->chunk_index) && $prompt->chunk_index !== null) {
2014 - $prompt->chunk_metadata = array(
2015 - 'chunk_index' => intval($prompt->chunk_index),
2016 - 'total_chunks' => isset($prompt->total_chunks) ? intval($prompt->total_chunks) : null,
2017 - 'is_chunked' => isset($prompt->is_chunked) ? (bool) $prompt->is_chunked : true,
2018 - 'source_url' => $prompt->source_url ?? ''
2019 - );
2020 - $prompt->display_content = $prompt->article_content;
2021 - } else {
2022 - $prompt->chunk_metadata = array();
2023 - $prompt->display_content = $prompt->article_content ?? '';
2024 - }
2025 - }
2026 -
2027 - // Group prompts by source_url
2028 - $grouped_prompts = array();
2029 - foreach ($prompts as $prompt) {
2030 - $source_url = '';
2031 - if (!empty($prompt->chunk_metadata['source_url'])) {
2032 - $source_url = $prompt->chunk_metadata['source_url'];
2033 - } elseif (!empty($prompt->source_url)) {
2034 - $source_url = $prompt->source_url;
2035 - }
2036 -
2037 - if (!empty($source_url)) {
2038 - if (!isset($grouped_prompts[$source_url])) {
2039 - $grouped_prompts[$source_url] = array();
2040 - }
2041 - $grouped_prompts[$source_url][] = $prompt;
2042 - } else {
2043 - $grouped_prompts['_ungrouped_' . $prompt->id] = array($prompt);
2044 - }
2045 - }
2046 -
2047 - // Sort each group by chunk_index
2048 - foreach ($grouped_prompts as $source_url => &$group) {
2049 - usort($group, function($a, $b) {
2050 - $index_a = isset($a->chunk_metadata['chunk_index']) ? intval($a->chunk_metadata['chunk_index']) : 0;
2051 - $index_b = isset($b->chunk_metadata['chunk_index']) ? intval($b->chunk_metadata['chunk_index']) : 0;
2052 - return $index_a - $index_b;
2053 - });
2054 - }
2055 - unset($group);
2056 -
2057 - // Build HTML for the table rows - must match admin-knowledge-page.php structure exactly
2058 - ob_start();
2059 - $display_index = 0;
2060 - $current_page = $page;
2061 - $data_source = 'pinecone';
2062 - $current_bot_id = $bot_id;
2063 - $preview_length = 150;
2064 -
2065 - if (empty($grouped_prompts)) {
2066 - echo '<tr><td colspan="4" style="padding: 40px; text-align: center; color: var(--mxch-text-muted);">';
2067 - esc_html_e('No knowledge entries found in Pinecone.', 'mxchat');
2068 - echo '</td></tr>';
2069 - } else {
2070 - foreach ($grouped_prompts as $source_url => $group) {
2071 - $chunk_count = count($group);
2072 - $first_prompt = $group[0];
2073 - $display_index++;
2074 -
2075 - if ($chunk_count > 1) {
2076 - // Multiple chunks - show grouped row with expand button
2077 - $group_id = 'group-' . md5($source_url);
2078 - ?>
2079 - <tr id="prompt-<?php echo esc_attr($first_prompt->id); ?>"
2080 - class="mxchat-chunk-group-header"
2081 - data-source="<?php echo esc_attr($data_source); ?>"
2082 - data-group-id="<?php echo esc_attr($group_id); ?>"
2083 - style="border-bottom: 1px solid var(--mxch-card-border); background: rgba(33, 150, 243, 0.02);">
2084 - <td style="padding: 12px 16px; text-align: center;">
2085 - <input type="checkbox"
2086 - class="mxchat-entry-checkbox"
2087 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2088 - data-source="<?php echo esc_attr($data_source); ?>"
2089 - data-source-url="<?php echo esc_attr($source_url); ?>"
2090 - data-is-group="true"
2091 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>">
2092 - </td>
2093 - <td style="padding: 12px 16px; font-size: 13px;">
2094 - <?php echo esc_html($display_index + (($current_page - 1) * $per_page)); ?>
2095 - </td>
2096 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2097 - <div class="mxchat-chunk-group-info">
2098 - <button type="button" class="mxchat-chunk-toggle" data-group-id="<?php echo esc_attr($group_id); ?>">
2099 - <span class="dashicons dashicons-arrow-right-alt2"></span>
2100 - </button>
2101 - <span class="mxchat-chunk-badge"><?php echo esc_html($chunk_count); ?> <?php esc_html_e('chunks', 'mxchat'); ?></span>
2102 - <span class="mxchat-chunk-preview">
2103 - <?php
2104 - $parent_content = isset($first_prompt->display_content) ? $first_prompt->display_content : (isset($first_prompt->article_content) ? $first_prompt->article_content : '');
2105 - $content_preview = mb_substr($parent_content, 0, 100);
2106 - echo esc_html($content_preview . '...');
2107 - ?>
2108 - </span>
2109 - </div>
2110 - </td>
2111 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2112 - <?php if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0 && strpos($source_url, '_ungrouped_') !== 0) : ?>
2113 - <a href="<?php echo esc_url($source_url); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2114 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2115 - <?php esc_html_e('View Source', 'mxchat'); ?>
2116 - </a>
2117 - <?php else : ?>
2118 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual Content', 'mxchat'); ?></span>
2119 - <?php endif; ?>
2120 - </td>
2121 - <td class="mxchat-actions-cell" style="padding: 12px 16px; white-space: nowrap;">
2122 - <?php if ($data_source !== 'pinecone') : ?>
2123 - <button type="button"
2124 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
2125 - data-source-url="<?php echo esc_attr($source_url); ?>"
2126 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2127 - data-data-source="<?php echo esc_attr($data_source); ?>"
2128 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2129 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
2130 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
2131 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
2132 - </button>
2133 - <?php endif; ?>
2134 - <button type="button"
2135 - class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-group"
2136 - data-source-url="<?php echo esc_attr($source_url); ?>"
2137 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>"
2138 - data-data-source="<?php echo esc_attr($data_source); ?>"
2139 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2140 - data-nonce="<?php echo wp_create_nonce('mxchat_delete_chunks_nonce'); ?>"
2141 - style="color: var(--mxch-error);"
2142 - title="<?php esc_attr_e('Delete all chunks', 'mxchat'); ?>">
2143 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2144 - </button>
2145 - </td>
2146 - </tr>
2147 - <?php
2148 - // Render hidden chunk rows
2149 - foreach ($group as $chunk_index => $chunk) {
2150 - $meta_chunk_index = isset($chunk->chunk_metadata['chunk_index']) ? intval($chunk->chunk_metadata['chunk_index']) : $chunk_index;
2151 - $meta_total_chunks = isset($chunk->chunk_metadata['total_chunks']) ? intval($chunk->chunk_metadata['total_chunks']) : $chunk_count;
2152 - $content = isset($chunk->display_content) ? $chunk->display_content : (isset($chunk->article_content) ? $chunk->article_content : '');
2153 - $content_preview = mb_strlen($content) > $preview_length
2154 - ? mb_substr($content, 0, $preview_length) . '...'
2155 - : $content;
2156 - ?>
2157 - <tr id="prompt-<?php echo esc_attr($chunk->id); ?>"
2158 - class="mxchat-chunk-row <?php echo esc_attr($group_id); ?>"
2159 - data-source="<?php echo esc_attr($data_source); ?>"
2160 - style="display: none; background: #f8f9fa; border-bottom: 1px solid var(--mxch-card-border);">
2161 - <td style="padding: 12px 16px; text-align: center;">
2162 - <!-- Checkbox column placeholder for chunks (managed by group) -->
2163 - </td>
2164 - <td style="padding: 12px 16px 12px 30px; font-size: 13px;">
2165 - <!-- Hidden ID column for chunks -->
2166 - </td>
2167 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2168 - <div class="mxchat-accordion-wrapper">
2169 - <div class="mxchat-content-preview">
2170 - <span class="mxchat-chunk-indicator" style="margin-right: 10px; color: var(--mxch-text-secondary); font-size: 12px;">
2171 - <?php printf(esc_html__('Chunk %d of %d', 'mxchat'), $meta_chunk_index + 1, $meta_total_chunks); ?>
2172 - </span>
2173 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2174 - <?php if (mb_strlen($content) > $preview_length) : ?>
2175 - <button class="mxchat-expand-toggle" type="button">
2176 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2177 - </button>
2178 - <?php endif; ?>
2179 - </div>
2180 - <div class="mxchat-content-full" style="display: none;">
2181 - <div class="content-view">
2182 - <?php
2183 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2184 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2185 - echo wp_kses_post(wpautop($content));
2186 - echo '</div>';
2187 - } else {
2188 - echo wp_kses_post(wpautop($content));
2189 - }
2190 - ?>
2191 - </div>
2192 - </div>
2193 - </div>
2194 - </td>
2195 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2196 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Same as parent', 'mxchat'); ?></span>
2197 - </td>
2198 - <td class="mxchat-actions-cell" style="padding: 12px 16px;">
2199 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Managed by group', 'mxchat'); ?></span>
2200 - </td>
2201 - </tr>
2202 - <?php
2203 - }
2204 - } else {
2205 - // Single entry - display normally with accordion
2206 - $prompt = $first_prompt;
2207 - $content = isset($prompt->display_content) ? $prompt->display_content : (isset($prompt->article_content) ? $prompt->article_content : '');
2208 - $content_preview = mb_strlen($content) > $preview_length
2209 - ? mb_substr($content, 0, $preview_length) . '...'
2210 - : $content;
2211 - ?>
2212 - <tr id="prompt-<?php echo esc_attr($prompt->id); ?>"
2213 - data-source="<?php echo esc_attr($data_source); ?>"
2214 - style="border-bottom: 1px solid var(--mxch-card-border); background: rgba(33, 150, 243, 0.02);">
2215 - <td style="padding: 12px 16px; text-align: center;">
2216 - <input type="checkbox"
2217 - class="mxchat-entry-checkbox"
2218 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
2219 - data-source="<?php echo esc_attr($data_source); ?>"
2220 - data-source-url="<?php echo esc_attr($prompt->source_url ?? ''); ?>"
2221 - data-is-group="false"
2222 - data-chunk-count="1">
2223 - </td>
2224 - <td style="padding: 12px 16px; font-size: 13px;">
2225 - <?php echo esc_html($display_index + (($current_page - 1) * $per_page)); ?>
2226 - </td>
2227 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2228 - <div class="mxchat-accordion-wrapper">
2229 - <div class="mxchat-content-preview">
2230 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2231 - <?php if (mb_strlen($content) > $preview_length) : ?>
2232 - <button class="mxchat-expand-toggle" type="button">
2233 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2234 - </button>
2235 - <?php endif; ?>
2236 - </div>
2237 - <div class="mxchat-content-full" style="display: none;">
2238 - <div class="content-view">
2239 - <?php
2240 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2241 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2242 - echo wp_kses_post(wpautop($content));
2243 - echo '</div>';
2244 - } else {
2245 - echo wp_kses_post(wpautop($content));
2246 - }
2247 - ?>
2248 - </div>
2249 - </div>
2250 - </div>
2251 - </td>
2252 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2253 - <?php
2254 - $actual_source = $source_url;
2255 - if (strpos($source_url, '_ungrouped_') === 0) {
2256 - $actual_source = $prompt->source_url ?? '';
2257 - }
2258 - if (!empty($actual_source) && strpos($actual_source, 'mxchat://') !== 0) : ?>
2259 - <a href="<?php echo esc_url($actual_source); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2260 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2261 - <?php esc_html_e('View', 'mxchat'); ?>
2262 - </a>
2263 - <?php else : ?>
2264 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual', 'mxchat'); ?></span>
2265 - <?php endif; ?>
2266 - </td>
2267 - <td style="padding: 12px 16px;">
2268 - <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);">
2269 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2270 - </button>
2271 - </td>
2272 - </tr>
2273 - <?php
2274 - }
2275 - }
2276 - }
2277 - $html = ob_get_clean();
2278 -
2279 - // Generate pagination HTML for Pinecone
2280 - $total_pages = ceil($total_records / $per_page);
2281 - $pagination_html = '';
2282 - if ($total_pages > 1) {
2283 - $pagination_html = '<div class="mxchat-ajax-pagination" data-current-page="' . esc_attr($page) . '" data-total-pages="' . esc_attr($total_pages) . '" data-search="' . esc_attr($search_query) . '" data-content-type="' . esc_attr($content_type_filter) . '">';
2284 -
2285 - // Previous button
2286 - if ($page > 1) {
2287 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page - 1) . '">' . esc_html__('&laquo; Previous', 'mxchat') . '</a> ';
2288 - }
2289 -
2290 - // Page numbers
2291 - $start_page = max(1, $page - 2);
2292 - $end_page = min($total_pages, $page + 2);
2293 -
2294 - if ($start_page > 1) {
2295 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="1">1</a> ';
2296 - if ($start_page > 2) {
2297 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2298 - }
2299 - }
2300 -
2301 - for ($i = $start_page; $i <= $end_page; $i++) {
2302 - if ($i == $page) {
2303 - $pagination_html .= '<span class="mxchat-page-current">' . $i . '</span> ';
2304 - } else {
2305 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $i . '">' . $i . '</a> ';
2306 - }
2307 - }
2308 -
2309 - if ($end_page < $total_pages) {
2310 - if ($end_page < $total_pages - 1) {
2311 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2312 - }
2313 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $total_pages . '">' . $total_pages . '</a> ';
2314 - }
2315 -
2316 - // Next button
2317 - if ($page < $total_pages) {
2318 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page + 1) . '">' . esc_html__('Next &raquo;', 'mxchat') . '</a>';
2319 - }
2320 -
2321 - $pagination_html .= '</div>';
2322 - }
2323 -
2324 - wp_send_json_success(array(
2325 - 'html' => $html,
2326 - 'pagination_html' => $pagination_html,
2327 - 'total_count' => $total_records,
2328 - 'total_pages' => $total_pages,
2329 - 'page' => $page,
2330 - 'per_page' => $per_page,
2331 - 'data_source' => 'pinecone'
2332 - ));
2333 -}
2334 -
2335 -/**
2336 - * AJAX handler for pagination - handles both WordPress DB and Pinecone data sources
2337 - * Returns paginated entries without requiring a full page reload
2338 - */
2339 -public function ajax_mxchat_paginate_entries() {
2340 - check_ajax_referer('mxchat_entries_nonce', 'nonce');
2341 -
2342 - if (!current_user_can('manage_options')) {
2343 - wp_send_json_error(array('message' => 'Unauthorized'));
2344 - return;
2345 - }
2346 -
2347 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
2348 - $page = isset($_POST['page']) ? absint($_POST['page']) : 1;
2349 - $search_query = isset($_POST['search']) ? sanitize_text_field($_POST['search']) : '';
2350 - $content_type_filter = isset($_POST['content_type']) ? sanitize_key($_POST['content_type']) : '';
2351 - $per_page = 25;
2352 -
2353 - // Check if Pinecone is enabled for this bot
2354 - $pinecone_manager = $this->mxchat_get_pinecone_manager();
2355 - $pinecone_options = $pinecone_manager ? $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id) : array();
2356 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2357 - $has_pinecone_api = !empty($pinecone_options['mxchat_pinecone_api_key']);
2358 -
2359 - if ($use_pinecone && $has_pinecone_api) {
2360 - // Delegate to Pinecone pagination handler (pass search params)
2361 - $_POST['page'] = $page;
2362 - $_POST['search'] = $search_query;
2363 - $_POST['content_type'] = $content_type_filter;
2364 - $this->ajax_mxchat_refresh_pinecone_entries();
2365 - return;
2366 - }
2367 -
2368 - // WordPress DB pagination - MUST match initial page load logic exactly
2369 - global $wpdb;
2370 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2371 - $offset = ($page - 1) * $per_page;
2372 -
2373 - // Build WHERE clause for search and content type filtering
2374 - $where_clauses = array();
2375 - $where_values = array();
2376 -
2377 - if ($search_query) {
2378 - $where_clauses[] = "article_content LIKE %s";
2379 - $where_values[] = '%' . $wpdb->esc_like($search_query) . '%';
2380 - }
2381 -
2382 - if ($content_type_filter) {
2383 - switch ($content_type_filter) {
2384 - case 'manual':
2385 - $where_clauses[] = "(source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')";
2386 - break;
2387 - case 'pdf':
2388 - $where_clauses[] = "source_url LIKE '%.pdf'";
2389 - break;
2390 - case 'url':
2391 - $where_clauses[] = "source_url != '' AND source_url IS NOT NULL AND source_url NOT LIKE 'mxchat://%' AND source_url NOT LIKE '%.pdf'";
2392 - break;
2393 - }
2394 - }
2395 -
2396 - $where_sql = !empty($where_clauses) ? 'WHERE ' . implode(' AND ', $where_clauses) : '';
2397 -
2398 - // Count grouped entries with filters applied
2399 - if (!empty($where_values)) {
2400 - $count_args = array_merge($where_values, $where_values);
2401 - $count_query = $wpdb->prepare(
2402 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} {$where_sql} AND source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2403 - (SELECT COUNT(*) FROM {$table_name} {$where_sql} AND (source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%'))",
2404 - ...$count_args
2405 - );
2406 - $total_records = $wpdb->get_var($count_query);
2407 - } else if (!empty($where_sql)) {
2408 - // Content type filter only (no search), no prepared values needed
2409 - $total_records = $wpdb->get_var(
2410 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} {$where_sql} AND source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2411 - (SELECT COUNT(*) FROM {$table_name} {$where_sql} AND (source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%'))"
2412 - );
2413 - } else {
2414 - // No filters
2415 - $total_records = $wpdb->get_var(
2416 - "SELECT (SELECT COUNT(DISTINCT source_url) FROM {$table_name} WHERE source_url != '' AND source_url NOT LIKE 'mxchat://%') +
2417 - (SELECT COUNT(*) FROM {$table_name} WHERE source_url = '' OR source_url IS NULL OR source_url LIKE 'mxchat://%')"
2418 - );
2419 - }
2420 - $total_pages = ceil($total_records / $per_page);
2421 -
2422 - // Step 1: Get unique source_urls for this page (ordered by latest timestamp) with filters
2423 - if (!empty($where_values)) {
2424 - $query_args = array_merge($where_values, array($per_page, $offset));
2425 - $urls_query = $wpdb->prepare(
2426 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2427 - {$where_sql}
2428 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2429 - ...$query_args
2430 - );
2431 - } else if (!empty($where_sql)) {
2432 - $urls_query = $wpdb->prepare(
2433 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2434 - {$where_sql}
2435 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2436 - $per_page, $offset
2437 - );
2438 - } else {
2439 - $urls_query = $wpdb->prepare(
2440 - "SELECT source_url, MAX(timestamp) as latest_ts FROM {$table_name}
2441 - GROUP BY source_url ORDER BY latest_ts DESC LIMIT %d OFFSET %d",
2442 - $per_page, $offset
2443 - );
2444 - }
2445 - $page_urls = $wpdb->get_results($urls_query);
2446 -
2447 - // Step 2: Build list of source_urls to fetch
2448 - $url_list = array();
2449 - $url_order_map = array();
2450 - $order_index = 0;
2451 - foreach ($page_urls as $url_row) {
2452 - $url = $url_row->source_url;
2453 - $url_list[] = $url;
2454 - $url_order_map[$url] = $order_index++;
2455 - }
2456 -
2457 - // Step 3: Fetch all rows for these source_urls (with search filter if applicable)
2458 - $prompts = array();
2459 - if (!empty($url_list)) {
2460 - $placeholders = implode(',', array_fill(0, count($url_list), '%s'));
2461 - if ($search_query) {
2462 - // Include search filter in the final fetch
2463 - $prompts_query = $wpdb->prepare(
2464 - "SELECT id, article_content, source_url, timestamp, role_restriction
2465 - FROM {$table_name}
2466 - WHERE source_url IN ($placeholders) AND article_content LIKE %s
2467 - ORDER BY timestamp DESC",
2468 - ...array_merge($url_list, ['%' . $wpdb->esc_like($search_query) . '%'])
2469 - );
2470 - } else {
2471 - $prompts_query = $wpdb->prepare(
2472 - "SELECT id, article_content, source_url, timestamp, role_restriction
2473 - FROM {$table_name}
2474 - WHERE source_url IN ($placeholders)
2475 - ORDER BY timestamp DESC",
2476 - $url_list
2477 - );
2478 - }
2479 - $prompts = $wpdb->get_results($prompts_query);
2480 - }
2481 -
2482 - // Group prompts by source_url for chunk display
2483 - $grouped_prompts = array();
2484 - foreach ($prompts as $prompt) {
2485 - $source_url = $prompt->source_url ?? '';
2486 -
2487 - // Parse chunk metadata using the proper chunker method (same as initial page load)
2488 - if (class_exists('MxChat_Chunker')) {
2489 - $chunk_meta = MxChat_Chunker::parse_stored_chunk($prompt->article_content);
2490 - $prompt->chunk_metadata = $chunk_meta['metadata'];
2491 - $prompt->display_content = $chunk_meta['text'];
2492 - } else {
2493 - $prompt->chunk_metadata = array();
2494 - $prompt->display_content = $prompt->article_content;
2495 - }
2496 -
2497 - if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0) {
2498 - if (!isset($grouped_prompts[$source_url])) {
2499 - $grouped_prompts[$source_url] = array();
2500 - }
2501 - $grouped_prompts[$source_url][] = $prompt;
2502 - } else {
2503 - // Ungrouped entries
2504 - $grouped_prompts['_ungrouped_' . $prompt->id] = array($prompt);
2505 - }
2506 - }
2507 -
2508 - // Sort groups by the original URL order (newest first)
2509 - uksort($grouped_prompts, function($a, $b) use ($url_order_map) {
2510 - $order_a = isset($url_order_map[$a]) ? $url_order_map[$a] : PHP_INT_MAX;
2511 - $order_b = isset($url_order_map[$b]) ? $url_order_map[$b] : PHP_INT_MAX;
2512 - return $order_a - $order_b;
2513 - });
2514 -
2515 - // Sort each group internally by chunk_index
2516 - foreach ($grouped_prompts as $source_url => &$group) {
2517 - usort($group, function($a, $b) {
2518 - $index_a = isset($a->chunk_metadata['chunk_index']) ? intval($a->chunk_metadata['chunk_index']) : 0;
2519 - $index_b = isset($b->chunk_metadata['chunk_index']) ? intval($b->chunk_metadata['chunk_index']) : 0;
2520 - return $index_a - $index_b;
2521 - });
2522 - }
2523 - unset($group);
2524 -
2525 - // Build HTML for the table rows
2526 - ob_start();
2527 - $display_index = 0;
2528 - $current_page = $page;
2529 - $data_source = 'wordpress';
2530 - $current_bot_id = $bot_id;
2531 - $preview_length = 150;
2532 -
2533 - if (empty($grouped_prompts)) {
2534 - echo '<tr><td colspan="5" style="padding: 40px; text-align: center; color: var(--mxch-text-muted);">';
2535 - esc_html_e('No knowledge entries found. Use the Import Options to add content.', 'mxchat');
2536 - echo '</td></tr>';
2537 - } else {
2538 - foreach ($grouped_prompts as $source_url => $group) {
2539 - $chunk_count = count($group);
2540 - $first_prompt = $group[0];
2541 - $display_index++;
2542 -
2543 - if ($chunk_count > 1) {
2544 - // Multiple chunks - show grouped row with expand button
2545 - $group_id = 'group-' . md5($source_url);
2546 - ?>
2547 - <tr id="prompt-<?php echo esc_attr($first_prompt->id); ?>"
2548 - class="mxchat-chunk-group-header"
2549 - data-source="<?php echo esc_attr($data_source); ?>"
2550 - data-group-id="<?php echo esc_attr($group_id); ?>"
2551 - style="border-bottom: 1px solid var(--mxch-card-border);">
2552 - <td style="padding: 12px 16px; text-align: center;">
2553 - <input type="checkbox"
2554 - class="mxchat-entry-checkbox"
2555 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2556 - data-source="<?php echo esc_attr($data_source); ?>"
2557 - data-source-url="<?php echo esc_attr($source_url); ?>"
2558 - data-is-group="true"
2559 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>">
2560 - </td>
2561 - <td style="padding: 12px 16px; font-size: 13px;">
2562 - <?php echo esc_html($first_prompt->id); ?>
2563 - </td>
2564 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2565 - <div class="mxchat-chunk-group-info">
2566 - <button type="button" class="mxchat-chunk-toggle" data-group-id="<?php echo esc_attr($group_id); ?>">
2567 - <span class="dashicons dashicons-arrow-right-alt2"></span>
2568 - </button>
2569 - <span class="mxchat-chunk-badge"><?php echo esc_html($chunk_count); ?> <?php esc_html_e('chunks', 'mxchat'); ?></span>
2570 - <span class="mxchat-chunk-preview">
2571 - <?php
2572 - $parent_content = isset($first_prompt->display_content) ? $first_prompt->display_content : $first_prompt->article_content;
2573 - $content_preview = mb_substr($parent_content, 0, 100);
2574 - echo esc_html($content_preview . '...');
2575 - ?>
2576 - </span>
2577 - </div>
2578 - </td>
2579 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2580 - <?php if (!empty($source_url) && strpos($source_url, 'mxchat://') !== 0 && strpos($source_url, '_ungrouped_') !== 0) : ?>
2581 - <a href="<?php echo esc_url($source_url); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2582 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2583 - <?php esc_html_e('View Source', 'mxchat'); ?>
2584 - </a>
2585 - <?php else : ?>
2586 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual Content', 'mxchat'); ?></span>
2587 - <?php endif; ?>
2588 - </td>
2589 - <td class="mxchat-actions-cell" style="padding: 12px 16px; white-space: nowrap;">
2590 - <?php if ($data_source !== 'pinecone') : ?>
2591 - <button type="button"
2592 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
2593 - data-source-url="<?php echo esc_attr($source_url); ?>"
2594 - data-entry-id="<?php echo esc_attr($first_prompt->id); ?>"
2595 - data-data-source="<?php echo esc_attr($data_source); ?>"
2596 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2597 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
2598 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
2599 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
2600 - </button>
2601 - <?php endif; ?>
2602 - <button type="button"
2603 - class="mxch-btn mxch-btn-ghost mxch-btn-sm delete-button-group"
2604 - data-source-url="<?php echo esc_attr($source_url); ?>"
2605 - data-chunk-count="<?php echo esc_attr($chunk_count); ?>"
2606 - data-data-source="<?php echo esc_attr($data_source); ?>"
2607 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2608 - data-nonce="<?php echo wp_create_nonce('mxchat_delete_chunks_nonce'); ?>"
2609 - style="color: var(--mxch-error);"
2610 - title="<?php esc_attr_e('Delete all chunks', 'mxchat'); ?>">
2611 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2612 - </button>
2613 - </td>
2614 - </tr>
2615 - <?php
2616 - // Render hidden chunk rows
2617 - foreach ($group as $chunk_index => $chunk) {
2618 - $meta_chunk_index = isset($chunk->chunk_metadata['chunk_index']) ? intval($chunk->chunk_metadata['chunk_index']) : $chunk_index;
2619 - $meta_total_chunks = isset($chunk->chunk_metadata['total_chunks']) ? intval($chunk->chunk_metadata['total_chunks']) : $chunk_count;
2620 - $content = isset($chunk->display_content) ? $chunk->display_content : $chunk->article_content;
2621 - $content_preview = mb_strlen($content) > $preview_length
2622 - ? mb_substr($content, 0, $preview_length) . '...'
2623 - : $content;
2624 - ?>
2625 - <tr id="prompt-<?php echo esc_attr($chunk->id); ?>"
2626 - class="mxchat-chunk-row <?php echo esc_attr($group_id); ?>"
2627 - data-source="<?php echo esc_attr($data_source); ?>"
2628 - style="display: none; background: #f8f9fa; border-bottom: 1px solid var(--mxch-card-border);">
2629 - <td style="padding: 12px 16px; text-align: center;">
2630 - <!-- Checkbox column placeholder for chunks (managed by group) -->
2631 - </td>
2632 - <td style="padding: 12px 16px 12px 30px; font-size: 13px;">
2633 - <!-- Hidden ID column for chunks -->
2634 - </td>
2635 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2636 - <div class="mxchat-accordion-wrapper">
2637 - <div class="mxchat-content-preview">
2638 - <span class="mxchat-chunk-indicator" style="margin-right: 10px; color: var(--mxch-text-secondary); font-size: 12px;">
2639 - <?php printf(esc_html__('Chunk %d of %d', 'mxchat'), $meta_chunk_index + 1, $meta_total_chunks); ?>
2640 - </span>
2641 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2642 - <?php if (mb_strlen($content) > $preview_length) : ?>
2643 - <button class="mxchat-expand-toggle" type="button">
2644 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2645 - </button>
2646 - <?php endif; ?>
2647 - </div>
2648 - <div class="mxchat-content-full" style="display: none;">
2649 - <div class="content-view">
2650 - <?php
2651 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2652 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2653 - echo wp_kses_post(wpautop($content));
2654 - echo '</div>';
2655 - } else {
2656 - echo wp_kses_post(wpautop($content));
2657 - }
2658 - ?>
2659 - </div>
2660 - </div>
2661 - </div>
2662 - </td>
2663 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2664 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Same as parent', 'mxchat'); ?></span>
2665 - </td>
2666 - <td class="mxchat-actions-cell" style="padding: 12px 16px;">
2667 - <span class="mxchat-chunk-label" style="color: var(--mxch-text-muted);"><?php esc_html_e('Managed by group', 'mxchat'); ?></span>
2668 - </td>
2669 - </tr>
2670 - <?php
2671 - }
2672 - } else {
2673 - // Single entry - display normally with accordion
2674 - $prompt = $first_prompt;
2675 - $content = isset($prompt->display_content) ? $prompt->display_content : $prompt->article_content;
2676 - $content_preview = mb_strlen($content) > $preview_length
2677 - ? mb_substr($content, 0, $preview_length) . '...'
2678 - : $content;
2679 - ?>
2680 - <tr id="prompt-<?php echo esc_attr($prompt->id); ?>"
2681 - data-source="<?php echo esc_attr($data_source); ?>"
2682 - style="border-bottom: 1px solid var(--mxch-card-border);">
2683 - <td style="padding: 12px 16px; text-align: center;">
2684 - <input type="checkbox"
2685 - class="mxchat-entry-checkbox"
2686 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
2687 - data-source="<?php echo esc_attr($data_source); ?>"
2688 - data-source-url="<?php echo esc_attr($source_url); ?>"
2689 - data-is-group="false">
2690 - </td>
2691 - <td style="padding: 12px 16px; font-size: 13px;">
2692 - <?php echo esc_html($prompt->id); ?>
2693 - </td>
2694 - <td class="mxchat-content-cell" style="padding: 12px 16px; font-size: 13px;">
2695 - <div class="mxchat-accordion-wrapper">
2696 - <div class="mxchat-content-preview">
2697 - <span class="preview-text"><?php echo esc_html($content_preview); ?></span>
2698 - <?php if (mb_strlen($content) > $preview_length) : ?>
2699 - <button class="mxchat-expand-toggle" type="button">
2700 - <span class="dashicons dashicons-arrow-down-alt2"></span>
2701 - </button>
2702 - <?php endif; ?>
2703 - </div>
2704 - <div class="mxchat-content-full" style="display: none;">
2705 - <div class="content-view">
2706 - <?php
2707 - if (preg_match('/[\x{0590}-\x{05FF}]/u', $content)) {
2708 - echo '<div dir="rtl" lang="he" class="rtl-content">';
2709 - echo wp_kses_post(wpautop($content));
2710 - echo '</div>';
2711 - } else {
2712 - echo wp_kses_post(wpautop($content));
2713 - }
2714 - ?>
2715 - </div>
2716 - </div>
2717 - </div>
2718 - </td>
2719 - <td class="mxchat-url-cell" style="padding: 12px 16px; font-size: 13px;">
2720 - <?php
2721 - $actual_source = $source_url;
2722 - if (strpos($source_url, '_ungrouped_') === 0) {
2723 - $actual_source = $prompt->source_url ?? '';
2724 - }
2725 - if (!empty($actual_source) && strpos($actual_source, 'mxchat://') !== 0) : ?>
2726 - <a href="<?php echo esc_url($actual_source); ?>" target="_blank" style="color: var(--mxch-primary); text-decoration: none;">
2727 - <span class="dashicons dashicons-external" style="font-size: 14px;"></span>
2728 - <?php esc_html_e('View', 'mxchat'); ?>
2729 - </a>
2730 - <?php else : ?>
2731 - <span style="color: var(--mxch-text-muted);"><?php esc_html_e('Manual', 'mxchat'); ?></span>
2732 - <?php endif; ?>
2733 - </td>
2734 - <td style="padding: 12px 16px; white-space: nowrap;">
2735 - <button type="button"
2736 - class="mxch-btn mxch-btn-ghost mxch-btn-sm mxchat-edit-entry-btn"
2737 - data-source-url="<?php echo esc_attr($prompt->source_url ?? ''); ?>"
2738 - data-entry-id="<?php echo esc_attr($prompt->id); ?>"
2739 - data-data-source="<?php echo esc_attr($data_source); ?>"
2740 - data-bot-id="<?php echo esc_attr($current_bot_id); ?>"
2741 - data-nonce="<?php echo wp_create_nonce('mxchat_edit_entry_nonce'); ?>"
2742 - title="<?php esc_attr_e('Edit content', 'mxchat'); ?>">
2743 - <span class="dashicons dashicons-edit" style="font-size: 14px;"></span>
2744 - </button>
2745 - <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);">
2746 - <span class="dashicons dashicons-trash" style="font-size: 14px;"></span>
2747 - </button>
2748 - </td>
2749 - </tr>
2750 - <?php
2751 - }
2752 - }
2753 - }
2754 - $html = ob_get_clean();
2755 -
2756 - // Generate pagination HTML (include search/filter data for subsequent pages)
2757 - $pagination_html = '';
2758 - if ($total_pages > 1) {
2759 - $pagination_html = '<div class="mxchat-ajax-pagination" data-current-page="' . esc_attr($page) . '" data-total-pages="' . esc_attr($total_pages) . '" data-search="' . esc_attr($search_query) . '" data-content-type="' . esc_attr($content_type_filter) . '">';
2760 -
2761 - // Previous button
2762 - if ($page > 1) {
2763 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page - 1) . '">' . esc_html__('&laquo; Previous', 'mxchat') . '</a> ';
2764 - }
2765 -
2766 - // Page numbers
2767 - $start_page = max(1, $page - 2);
2768 - $end_page = min($total_pages, $page + 2);
2769 -
2770 - if ($start_page > 1) {
2771 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="1">1</a> ';
2772 - if ($start_page > 2) {
2773 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2774 - }
2775 - }
2776 -
2777 - for ($i = $start_page; $i <= $end_page; $i++) {
2778 - if ($i == $page) {
2779 - $pagination_html .= '<span class="mxchat-page-current">' . $i . '</span> ';
2780 - } else {
2781 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $i . '">' . $i . '</a> ';
2782 - }
2783 - }
2784 -
2785 - if ($end_page < $total_pages) {
2786 - if ($end_page < $total_pages - 1) {
2787 - $pagination_html .= '<span class="mxchat-page-dots">...</span> ';
2788 - }
2789 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . $total_pages . '">' . $total_pages . '</a> ';
2790 - }
2791 -
2792 - // Next button
2793 - if ($page < $total_pages) {
2794 - $pagination_html .= '<a href="#" class="mxchat-page-link" data-page="' . ($page + 1) . '">' . esc_html__('Next &raquo;', 'mxchat') . '</a>';
2795 - }
2796 -
2797 - $pagination_html .= '</div>';
2798 - }
2799 -
2800 - wp_send_json_success(array(
2801 - 'html' => $html,
2802 - 'pagination_html' => $pagination_html,
2803 - 'total_count' => $total_records,
2804 - 'total_pages' => $total_pages,
2805 - 'page' => $page,
2806 - 'per_page' => $per_page,
2807 - 'data_source' => 'wordpress'
2808 - ));
2809 -}
2810 -
2811 -/**
2812 - * AJAX handler to detect available sitemaps on the site
2813 - * Optimized for speed - only checks primary sitemap indexes first
2814 - */
2815 -public function ajax_mxchat_detect_sitemaps() {
2816 - check_ajax_referer('mxchat_detect_sitemaps_nonce', 'nonce');
2817 -
2818 - if (!current_user_can('manage_options')) {
2819 - wp_send_json_error(array('message' => 'Unauthorized'));
2820 - return;
2821 - }
2822 -
2823 - $site_url = get_site_url();
2824 - $sitemaps = array();
2825 - $found_index = false;
2826 -
2827 - // Only check the main sitemap index files first (much faster)
2828 - // These are the primary entry points that contain sub-sitemaps
2829 - $primary_indexes = array(
2830 - 'sitemap_index.xml' => 'Yoast SEO / Rank Math', // Yoast & Rank Math
2831 - 'wp-sitemap.xml' => 'WordPress Core', // WordPress Core
2832 - 'sitemap.xml' => 'Standard', // Generic/AIOSEO
2833 - );
2834 -
2835 - foreach ($primary_indexes as $path => $source) {
2836 - $url = trailingslashit($site_url) . $path;
2837 -
2838 - $response = wp_remote_head($url, array(
2839 - 'timeout' => 10,
2840 - 'sslverify' => false,
2841 - 'redirection' => 1,
2842 - 'user-agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
2843 - ));
2844 -
2845 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
2846 - // Found a sitemap index - parse it to get sub-sitemaps
2847 - $sub_sitemaps = $this->parse_sitemap_index($url);
2848 - if (!empty($sub_sitemaps)) {
2849 - $sitemaps[] = array(
2850 - 'url' => $url,
2851 - 'type' => 'index',
2852 - 'source' => $source,
2853 - 'sub_sitemaps' => $sub_sitemaps
2854 - );
2855 - $found_index = true;
2856 - // Found a valid index, no need to check others
2857 - break;
2858 - }
2859 - }
2860 - }
2861 -
2862 - // If no sitemap index found, check for standalone sitemaps
2863 - if (!$found_index) {
2864 - $standalone_sitemaps = array(
2865 - 'post-sitemap.xml' => array('type' => 'content', 'source' => 'Yoast SEO'),
2866 - 'page-sitemap.xml' => array('type' => 'content', 'source' => 'Yoast SEO'),
2867 - );
2868 -
2869 - foreach ($standalone_sitemaps as $path => $info) {
2870 - $url = trailingslashit($site_url) . $path;
2871 -
2872 - $response = wp_remote_head($url, array(
2873 - 'timeout' => 2,
2874 - 'sslverify' => false
2875 - ));
2876 -
2877 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
2878 - $sitemaps[] = array(
2879 - 'url' => $url,
2880 - 'type' => $info['type'],
2881 - 'source' => $info['source'],
2882 - 'url_count' => 0 // Skip URL count for speed
2883 - );
2884 - }
2885 - }
2886 - }
2887 -
2888 - wp_send_json_success(array(
2889 - 'sitemaps' => $sitemaps,
2890 - 'site_url' => $site_url
2891 - ));
2892 -}
2893 -
2894 -/**
2895 - * Parse a sitemap index to get sub-sitemaps
2896 - * Optimized: doesn't fetch URL count for each sub-sitemap (too slow)
2897 - */
2898 -private function parse_sitemap_index($url) {
2899 - $sub_sitemaps = array();
2900 -
2901 - $response = wp_remote_get($url, array(
2902 - 'timeout' => 30,
2903 - 'sslverify' => false,
2904 - 'user-agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
2905 - 'headers' => array(
2906 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
2907 - 'Accept-Language' => 'en-US,en;q=0.9',
2908 - ),
2909 - ));
2910 -
2911 - if (is_wp_error($response)) {
2912 - return $sub_sitemaps;
2913 - }
2914 -
2915 - $body = wp_remote_retrieve_body($response);
2916 - if (empty($body)) {
2917 - return $sub_sitemaps;
2918 - }
2919 -
2920 - // Suppress XML errors
2921 - libxml_use_internal_errors(true);
2922 - $xml = simplexml_load_string($body);
2923 - libxml_clear_errors();
2924 -
2925 - if ($xml === false) {
2926 - return $sub_sitemaps;
2927 - }
2928 -
2929 - // Check if it's a sitemap index (contains <sitemap> elements)
2930 - if (isset($xml->sitemap)) {
2931 - foreach ($xml->sitemap as $sitemap) {
2932 - $loc = (string) $sitemap->loc;
2933 - if (!empty($loc)) {
2934 - // Try to determine the type from the URL
2935 - $type = 'content';
2936 - if (strpos($loc, 'category') !== false || strpos($loc, 'tag') !== false || strpos($loc, 'taxonomy') !== false) {
2937 - $type = 'taxonomy';
2938 - } elseif (strpos($loc, 'author') !== false || strpos($loc, 'user') !== false) {
2939 - $type = 'author';
2940 - }
2941 -
2942 - // Skip URL count - too slow to fetch for each sitemap
2943 - $sub_sitemaps[] = array(
2944 - 'url' => $loc,
2945 - 'type' => $type,
2946 - 'url_count' => 0, // Don't fetch - takes too long
2947 - 'name' => basename(parse_url($loc, PHP_URL_PATH))
2948 - );
2949 - }
2950 - }
2951 - }
2952 -
2953 - return $sub_sitemaps;
2954 -}
2955 -
2956 -/**
2957 - * Get URL count from a sitemap
2958 - */
2959 -private function get_sitemap_url_count($url) {
2960 - $response = wp_remote_get($url, array(
2961 - 'timeout' => 30,
2962 - 'sslverify' => false,
2963 - 'user-agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
2964 - 'headers' => array(
2965 - 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
2966 - 'Accept-Language' => 'en-US,en;q=0.9',
2967 - ),
2968 - ));
2969 -
2970 - if (is_wp_error($response)) {
2971 - return 0;
2972 - }
2973 -
2974 - $body = wp_remote_retrieve_body($response);
2975 - if (empty($body)) {
2976 - return 0;
2977 - }
2978 -
2979 - // Count <url> or <loc> elements
2980 - $count = preg_match_all('/<url>/i', $body, $matches);
2981 - return $count ?: 0;
2982 -}
2983 -
2984 -/**
2985 - * Get sitemaps declared in robots.txt
2986 - */
2987 -private function get_sitemaps_from_robots($site_url) {
2988 - $sitemaps = array();
2989 - $robots_url = trailingslashit($site_url) . 'robots.txt';
2990 -
2991 - $response = wp_remote_get($robots_url, array(
2992 - 'timeout' => 15,
2993 - 'sslverify' => false,
2994 - 'user-agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36',
2995 - ));
2996 -
2997 - if (is_wp_error($response)) {
2998 - return $sitemaps;
2999 - }
3000 -
3001 - $body = wp_remote_retrieve_body($response);
3002 - if (empty($body)) {
3003 - return $sitemaps;
3004 - }
3005 -
3006 - // Find Sitemap: declarations
3007 - if (preg_match_all('/^Sitemap:\s*(.+)$/mi', $body, $matches)) {
3008 - foreach ($matches[1] as $sitemap_url) {
3009 - $sitemap_url = trim($sitemap_url);
3010 - if (filter_var($sitemap_url, FILTER_VALIDATE_URL)) {
3011 - $sitemaps[] = $sitemap_url;
3012 - }
3013 - }
3014 - }
3015 -
3016 - return $sitemaps;
3017 -}
3018 -
3019 -public function mxchat_stop_processing() {
3020 - // Verify permissions
3021 - if (!current_user_can('manage_options')) {
3022 - wp_die(esc_html__('Unauthorized access', 'mxchat'));
3023 - }
3024 -
3025 - // Verify nonce
3026 - check_admin_referer('mxchat_stop_processing_action', 'mxchat_stop_processing_nonce');
3027 -
3028 - global $wpdb;
3029 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
3030 -
3031 - // Get active queue IDs
3032 - $sitemap_queue_id = get_transient('mxchat_active_queue_sitemap');
3033 - $pdf_queue_id = get_transient('mxchat_active_queue_pdf');
3034 -
3035 - // Delete all pending items from active queues
3036 - if ($sitemap_queue_id) {
3037 - $wpdb->delete(
3038 - $table_name,
3039 - array(
3040 - 'queue_id' => $sitemap_queue_id,
3041 - 'status' => 'pending'
3042 - ),
3043 - array('%s', '%s')
3044 - );
3045 -
3046 - delete_transient('mxchat_active_queue_sitemap');
3047 - delete_transient('mxchat_last_sitemap_url');
3048 - }
3049 -
3050 - if ($pdf_queue_id) {
3051 - // Get PDF path before deleting
3052 - $pdf_path = $this->mxchat_get_queue_meta($pdf_queue_id, 'pdf_path');
3053 -
3054 - $wpdb->delete(
3055 - $table_name,
3056 - array(
3057 - 'queue_id' => $pdf_queue_id,
3058 - 'status' => 'pending'
3059 - ),
3060 - array('%s', '%s')
3061 - );
3062 -
3063 - // Delete PDF file
3064 - if ($pdf_path && file_exists($pdf_path)) {
3065 - wp_delete_file($pdf_path);
3066 - }
3067 -
3068 - delete_transient('mxchat_active_queue_pdf');
3069 - delete_transient('mxchat_last_pdf_url');
3070 - }
3071 -
3072 - // Redirect back with a success message
3073 - set_transient('mxchat_admin_notice_success',
3074 - esc_html__('Processing has been stopped successfully.', 'mxchat'),
3075 - 30
3076 - );
3077 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3078 - exit;
3079 -}
3080 -
3081 -/**
3082 - * Get content list for processing
3083 - */
3084 -public function ajax_mxchat_get_content_list() {
3085 - // Verify the nonce
3086 - check_ajax_referer('mxchat_content_selector_nonce', 'nonce');
3087 -
3088 - if (!current_user_can('manage_options')) {
3089 - wp_send_json_error(__('Unauthorized access', 'mxchat'));
3090 - }
3091 -
3092 - $page = isset($_GET['page']) ? absint($_GET['page']) : 1;
3093 - $per_page = isset($_GET['per_page']) ? absint($_GET['per_page']) : 100;
3094 - $search = isset($_GET['search']) ? sanitize_text_field($_GET['search']) : '';
3095 - $post_type = isset($_GET['post_type']) ? sanitize_text_field($_GET['post_type']) : 'all';
3096 - $post_status = isset($_GET['post_status']) ? sanitize_text_field($_GET['post_status']) : 'publish';
3097 - $processed_filter = isset($_GET['processed_filter']) ? sanitize_text_field($_GET['processed_filter']) : 'all';
3098 -
3099 - // Build query args
3100 - $args = array(
3101 - 'posts_per_page' => $per_page,
3102 - 'paged' => $page,
3103 - 'post_status' => $post_status !== 'all' ? $post_status : array('publish', 'draft', 'pending'),
3104 - 'orderby' => 'date',
3105 - 'order' => 'DESC',
3106 - );
3107 -
3108 - // Handle post types - IMPROVED VERSION
3109 - if ($post_type !== 'all') {
3110 - $args['post_type'] = $post_type;
3111 - } else {
3112 - // Get all available post types that might contain content
3113 - $all_post_types = array();
3114 -
3115 - // First get all public post types
3116 - $public_types = get_post_types(array('public' => true), 'names');
3117 - $all_post_types = array_merge($all_post_types, $public_types);
3118 -
3119 - // Add common forum/community post types
3120 - $forum_types = array('topic', 'reply', 'forum', 'wpforo_topic', 'wpforo_post');
3121 - foreach ($forum_types as $forum_type) {
3122 - if (post_type_exists($forum_type)) {
3123 - $all_post_types[] = $forum_type;
3124 - }
3125 - }
3126 -
3127 - // Add other commonly used post types
3128 - $common_types = array('product', 'job_listing', 'event', 'portfolio');
3129 - foreach ($common_types as $common_type) {
3130 - if (post_type_exists($common_type)) {
3131 - $all_post_types[] = $common_type;
3132 - }
3133 - }
3134 -
3135 - // Remove duplicates and ensure we have at least some post types
3136 - $all_post_types = array_unique($all_post_types);
3137 -
3138 - if (empty($all_post_types)) {
3139 - // Fallback to basic post types
3140 - $all_post_types = array('post', 'page');
3141 - }
3142 -
3143 - $args['post_type'] = $all_post_types;
3144 -
3145 - // Debug logging to see what post types are being queried
3146 - //error_log('MxChat Debug: Querying post types: ' . implode(', ', $all_post_types));
3147 - }
3148 -
3149 - if (!empty($search)) {
3150 - $args['s'] = $search;
3151 - }
3152 -
3153 - // Get processed data from storage
3154 - $processed_data = array();
3155 -
3156 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3157 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3158 -
3159 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3160 - // Get fresh data from Pinecone - no caching
3161 - $processed_data = $this->mxchat_get_pinecone_processed_content($pinecone_options);
3162 - } else {
3163 - // WordPress DB checking with better URL matching for all post types
3164 - global $wpdb;
3165 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3166 - $processed_items = $wpdb->get_results("SELECT id, source_url, article_content, timestamp FROM {$table_name}");
3167 -
3168 - // Group items by source_url to count chunks
3169 - $url_chunk_counts = array();
3170 - $url_latest_timestamp = array();
3171 - $url_first_id = array();
3172 -
3173 - if (!empty($processed_items)) {
3174 - foreach ($processed_items as $item) {
3175 - $url = $item->source_url;
3176 - if (empty($url)) continue;
3177 -
3178 - // Count chunks per URL
3179 - if (!isset($url_chunk_counts[$url])) {
3180 - $url_chunk_counts[$url] = 0;
3181 - $url_latest_timestamp[$url] = $item->timestamp;
3182 - $url_first_id[$url] = $item->id;
3183 - }
3184 - $url_chunk_counts[$url]++;
3185 -
3186 - // Track latest timestamp
3187 - if (strtotime($item->timestamp) > strtotime($url_latest_timestamp[$url])) {
3188 - $url_latest_timestamp[$url] = $item->timestamp;
3189 - }
3190 - }
3191 -
3192 - // Now build processed_data with chunk counts
3193 - foreach ($url_chunk_counts as $url => $chunk_count) {
3194 - $post_id = $this->mxchat_url_to_post_id_improved($url);
3195 -
3196 - if ($post_id) {
3197 - $processed_data[$post_id] = array(
3198 - 'db_id' => $url_first_id[$url],
3199 - 'timestamp' => $url_latest_timestamp[$url],
3200 - 'url' => $url,
3201 - 'source' => 'wordpress',
3202 - 'chunk_count' => $chunk_count
3203 - );
3204 - }
3205 - }
3206 - }
3207 - }
3208 -
3209 - // Get processed IDs as a simple array for in_array checks
3210 - $processed_ids = array_keys($processed_data);
3211 -
3212 - // Handle processed/unprocessed filter
3213 - if ($processed_filter === 'processed' && !empty($processed_ids)) {
3214 - $args['post__in'] = $processed_ids;
3215 - } elseif ($processed_filter === 'unprocessed' && !empty($processed_ids)) {
3216 - $args['post__not_in'] = $processed_ids;
3217 - }
3218 -
3219 - // Run the query
3220 - $query = new WP_Query($args);
3221 - $content_items = array();
3222 -
3223 - if ($query->have_posts()) {
3224 - while ($query->have_posts()) {
3225 - $query->the_post();
3226 - $id = get_the_ID();
3227 - $post_date = get_the_date();
3228 - $excerpt = wp_trim_words(get_the_excerpt(), 20, '...');
3229 - $word_count = str_word_count(strip_tags(get_the_content()));
3230 -
3231 - $is_processed = in_array($id, $processed_ids);
3232 - $processed_date = '';
3233 - $db_record_id = 0;
3234 - $data_source = 'none';
3235 -
3236 - if ($is_processed && isset($processed_data[$id])) {
3237 - $item_data = $processed_data[$id];
3238 - $data_source = $item_data['source'];
3239 -
3240 - if ($data_source === 'wordpress' && isset($item_data['timestamp'])) {
3241 - // WordPress DB format
3242 - $timestamp = strtotime($item_data['timestamp']);
3243 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
3244 - $db_record_id = $item_data['db_id'];
3245 - } elseif ($data_source === 'pinecone') {
3246 - // Pinecone format
3247 - $processed_date = $item_data['processed_date'];
3248 - $db_record_id = $item_data['db_id'];
3249 - }
3250 - }
3251 -
3252 - // Get chunk count for this item
3253 - $chunk_count = 0;
3254 - if ($is_processed && isset($processed_data[$id]['chunk_count'])) {
3255 - $chunk_count = intval($processed_data[$id]['chunk_count']);
3256 - }
3257 -
3258 - $content_items[] = array(
3259 - 'id' => $id,
3260 - 'title' => get_the_title(),
3261 - 'permalink' => get_permalink(),
3262 - 'date' => $post_date,
3263 - 'type' => get_post_type(),
3264 - 'status' => get_post_status(),
3265 - 'excerpt' => $excerpt,
3266 - 'word_count' => $word_count,
3267 - 'already_processed' => $is_processed,
3268 - 'processed_date' => $processed_date,
3269 - 'db_record_id' => $db_record_id,
3270 - 'data_source' => $data_source,
3271 - 'chunk_count' => $chunk_count
3272 - );
3273 - }
3274 - wp_reset_postdata();
3275 - }
3276 -
3277 - $response = array(
3278 - 'items' => $content_items,
3279 - 'total' => $query->found_posts,
3280 - 'total_pages' => $query->max_num_pages,
3281 - 'current_page' => $page,
3282 - 'processed_count' => count($processed_ids)
3283 - );
3284 -
3285 - wp_send_json_success($response);
3286 - exit;
3287 -}
3288 -
3289 -
3290 -/**
3291 - * This function handles various WooCommerce URL formats and permalink structures
3292 - */
3293 -private function mxchat_url_to_post_id_improved($url) {
3294 - // First try the standard WordPress function
3295 - $post_id = url_to_postid($url);
3296 -
3297 - if ($post_id > 0) {
3298 - return $post_id;
3299 - }
3300 -
3301 - // If that fails, try more aggressive URL matching
3302 - // Remove trailing slashes and query parameters for better matching
3303 - $clean_url = rtrim($url, '/');
3304 - $clean_url = strtok($clean_url, '?'); // Remove query parameters
3305 -
3306 - // Try again with cleaned URL
3307 - $post_id = url_to_postid($clean_url);
3308 - if ($post_id > 0) {
3309 - return $post_id;
3310 - }
3311 -
3312 - // For bbPress forum topics, try extracting slug from URL
3313 - if (strpos($url, '/topic/') !== false || strpos($url, '/forums/') !== false) {
3314 - // Handle bbPress URLs: /forums/topic/topic-name/
3315 - if (preg_match('/\/forums\/topic\/([^\/\?]+)/', $url, $matches)) {
3316 - $topic_slug = $matches[1];
3317 -
3318 - // Look up topic by slug
3319 - $topic = get_page_by_path($topic_slug, OBJECT, 'topic');
3320 - if ($topic) {
3321 - return $topic->ID;
3322 - }
3323 -
3324 - // Alternative method: query by post_name
3325 - global $wpdb;
3326 - $post_id = $wpdb->get_var($wpdb->prepare(
3327 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
3328 - $topic_slug
3329 - ));
3330 -
3331 - if ($post_id) {
3332 - return intval($post_id);
3333 - }
3334 - }
3335 -
3336 - // Handle simpler topic URLs: /topic/topic-name/
3337 - if (preg_match('/\/topic\/([^\/\?]+)/', $url, $matches)) {
3338 - $topic_slug = $matches[1];
3339 -
3340 - global $wpdb;
3341 - $post_id = $wpdb->get_var($wpdb->prepare(
3342 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'topic' AND post_status IN ('publish', 'closed')",
3343 - $topic_slug
3344 - ));
3345 -
3346 - if ($post_id) {
3347 - return intval($post_id);
3348 - }
3349 - }
3350 - }
3351 -
3352 - // For WooCommerce products
3353 - if (strpos($url, '/product/') !== false || strpos($url, 'product=') !== false) {
3354 - // Extract product slug from various URL formats
3355 - $product_slug = '';
3356 -
3357 - // Handle pretty permalinks: /product/product-name/
3358 - if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
3359 - $product_slug = $matches[1];
3360 - }
3361 - // Handle query parameters: ?product=product-name
3362 - elseif (preg_match('/[\?&]product=([^&]+)/', $url, $matches)) {
3363 - $product_slug = $matches[1];
3364 - }
3365 -
3366 - if (!empty($product_slug)) {
3367 - // Look up product by slug
3368 - $product = get_page_by_path($product_slug, OBJECT, 'product');
3369 - if ($product) {
3370 - return $product->ID;
3371 - }
3372 -
3373 - // Alternative method: query by post_name
3374 - global $wpdb;
3375 - $post_id = $wpdb->get_var($wpdb->prepare(
3376 - "SELECT ID FROM {$wpdb->posts} WHERE post_name = %s AND post_type = 'product' AND post_status = 'publish'",
3377 - $product_slug
3378 - ));
3379 -
3380 - if ($post_id) {
3381 - return intval($post_id);
3382 - }
3383 - }
3384 - }
3385 -
3386 - // Generic approach: try to extract slug and match against all post types
3387 - $parsed_url = wp_parse_url($clean_url);
3388 - $path = $parsed_url['path'] ?? '';
3389 -
3390 - if (!empty($path)) {
3391 - // Get the last part of the path as potential slug
3392 - $path_parts = array_filter(explode('/', trim($path, '/')));
3393 - $potential_slug = end($path_parts);
3394 -
3395 - if (!empty($potential_slug)) {
3396 - global $wpdb;
3397 -
3398 - // Try to find any post with this slug
3399 - $post_id = $wpdb->get_var($wpdb->prepare(
3400 - "SELECT ID FROM {$wpdb->posts}
3401 - WHERE post_name = %s
3402 - AND post_status IN ('publish', 'closed', 'private')
3403 - AND post_type NOT IN ('revision', 'attachment', 'nav_menu_item')
3404 - ORDER BY CASE
3405 - WHEN post_type = 'post' THEN 1
3406 - WHEN post_type = 'page' THEN 2
3407 - WHEN post_type = 'topic' THEN 3
3408 - WHEN post_type = 'product' THEN 4
3409 - ELSE 5
3410 - END
3411 - LIMIT 1",
3412 - $potential_slug
3413 - ));
3414 -
3415 - if ($post_id) {
3416 - return intval($post_id);
3417 - }
3418 - }
3419 - }
3420 -
3421 - // ADDITIONAL: Try direct database lookup by URL variations
3422 - global $wpdb;
3423 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3424 -
3425 - // Try variations of the URL (with/without trailing slash, http/https)
3426 - $url_variations = array(
3427 - $url,
3428 - rtrim($url, '/'),
3429 - $url . '/',
3430 - str_replace('http://', 'https://', $url),
3431 - str_replace('https://', 'http://', $url),
3432 - str_replace('http://', 'https://', rtrim($url, '/')),
3433 - str_replace('https://', 'http://', rtrim($url, '/'))
3434 - );
3435 -
3436 - // Remove duplicates
3437 - $url_variations = array_unique($url_variations);
3438 -
3439 - foreach ($url_variations as $variation) {
3440 - $existing_record = $wpdb->get_row($wpdb->prepare(
3441 - "SELECT id, source_url FROM $table_name WHERE source_url = %s",
3442 - $variation
3443 - ));
3444 -
3445 - if ($existing_record) {
3446 - // Try to get post ID from this stored URL
3447 - $stored_post_id = url_to_postid($existing_record->source_url);
3448 - if ($stored_post_id > 0) {
3449 - return $stored_post_id;
3450 - }
3451 - }
3452 - }
3453 -
3454 - return 0; // No match found
3455 -}
3456 -/**
3457 - * Process selected content via AJAX
3458 - */
3459 -public function ajax_mxchat_process_selected_content() {
3460 - // Basic request validation
3461 - if (!check_ajax_referer('mxchat_content_selector_nonce', 'nonce', false)) {
3462 - wp_send_json_error('Invalid nonce');
3463 - exit;
3464 - }
3465 -
3466 - if (!current_user_can('manage_options')) {
3467 - wp_send_json_error('Unauthorized access');
3468 - exit;
3469 - }
3470 -
3471 - // Get post IDs - safely parse the array
3472 - $post_ids = array();
3473 - if (isset($_POST['post_ids']) && is_array($_POST['post_ids'])) {
3474 - foreach ($_POST['post_ids'] as $id) {
3475 - $post_ids[] = absint($id);
3476 - }
3477 - }
3478 -
3479 - if (empty($post_ids)) {
3480 - wp_send_json_error('No content selected');
3481 - exit;
3482 - }
3483 -
3484 - // Get bot_id from request
3485 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
3486 -
3487 - // ACF→PDF extraction is opt-in per import batch. Persist the last-used value so users
3488 - // don't re-check on every batch; the default is OFF for installs that haven't set it.
3489 - $extract_acf_pdfs = !empty($_POST['extract_acf_pdfs']) && $_POST['extract_acf_pdfs'] !== 'false';
3490 - $mxchat_options = get_option('mxchat_options', array());
3491 - if (!is_array($mxchat_options)) {
3492 - $mxchat_options = array();
3493 - }
3494 - $prior_default = !empty($mxchat_options['acf_pdf_extract_default']);
3495 - if ($prior_default !== $extract_acf_pdfs) {
3496 - $mxchat_options['acf_pdf_extract_default'] = $extract_acf_pdfs ? 1 : 0;
3497 - update_option('mxchat_options', $mxchat_options);
3498 - }
3499 -
3500 - // Process only ONE post at a time to avoid request size issues
3501 - $post_id = reset($post_ids);
3502 - $post = get_post($post_id);
3503 -
3504 - if (!$post) {
3505 - wp_send_json_error('Post not found');
3506 - exit;
3507 - }
3508 -
3509 - // Allow developers to modify post data before processing into knowledge base
3510 - $post = apply_filters('mxchat_before_process_post', $post, $bot_id);
3511 -
3512 - // Get content including title, short description (for WooCommerce), and main content
3513 - $content = $post->post_title . "\n\n";
3514 -
3515 - // Add short description if it exists (WooCommerce products use post_excerpt for short description)
3516 - if (!empty($post->post_excerpt)) {
3517 - // Remove shortcode tags but preserve content inside them
3518 - $clean_excerpt = $this->strip_shortcode_tags_preserve_content($post->post_excerpt);
3519 - $content .= "Short Description: " . wp_strip_all_tags($clean_excerpt) . "\n\n";
3520 - }
3521 -
3522 - // Add main content - remove shortcode tags but preserve content inside them
3523 - $clean_content = $this->strip_shortcode_tags_preserve_content($post->post_content);
3524 - $content .= wp_strip_all_tags($clean_content);
3525 -
3526 - // ADD WOOCOMMERCE PRODUCT DATA (pricing, stock, categories, custom tabs)
3527 - if (get_post_type($post_id) === 'product' && class_exists('WooCommerce')) {
3528 - $product = wc_get_product($post_id);
3529 -
3530 - if ($product) {
3531 - // Get pricing information
3532 - $regular_price = $product->get_regular_price();
3533 - $sale_price = $product->get_sale_price();
3534 - $price = $product->get_price();
3535 - $sku = $product->get_sku();
3536 -
3537 - // Get currency symbol
3538 - $currency_symbol = get_woocommerce_currency_symbol();
3539 -
3540 - // Add pricing information
3541 - $content .= "\n";
3542 - if (!empty($regular_price)) {
3543 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
3544 - } elseif (!empty($price)) {
3545 - $content .= "Price: " . $currency_symbol . $price . "\n";
3546 - }
3547 -
3548 - if (!empty($sale_price) && $sale_price !== $regular_price) {
3549 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
3550 - }
3551 -
3552 - // Handle variable products - show price range
3553 - if ($product->is_type('variable')) {
3554 - $min_price = $product->get_variation_price('min');
3555 - $max_price = $product->get_variation_price('max');
3556 - if ($min_price !== $max_price) {
3557 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
3558 - }
3559 - }
3560 -
3561 - if (!empty($sku)) {
3562 - $content .= "SKU: " . $sku . "\n";
3563 - }
3564 -
3565 - // Get product categories
3566 - $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
3567 - if (!empty($categories) && !is_wp_error($categories)) {
3568 - $content .= "Categories: " . implode(', ', $categories) . "\n";
3569 - }
3570 - }
3571 -
3572 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
3573 - $custom_tabs = get_post_meta($post_id, 'yikes_woo_products_tabs', true);
3574 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
3575 - foreach ($custom_tabs as $tab) {
3576 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
3577 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
3578 -
3579 - if (!empty($tab_title) && !empty($tab_content)) {
3580 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
3581 - }
3582 - }
3583 - }
3584 -
3585 - // Also check for reusable/saved tabs applied to this product
3586 - $applied_saved_tabs = get_post_meta($post_id, 'yikes_woo_reusable_products_tabs_applied', true);
3587 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
3588 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
3589 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
3590 - foreach ($applied_saved_tabs as $saved_tab_id) {
3591 - if (isset($saved_tabs[$saved_tab_id])) {
3592 - $tab = $saved_tabs[$saved_tab_id];
3593 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
3594 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
3595 -
3596 - if (!empty($tab_title) && !empty($tab_content)) {
3597 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
3598 - }
3599 - }
3600 - }
3601 - }
3602 - }
3603 - }
3604 -
3605 - // ADD ACF FIELDS SUPPORT
3606 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
3607 - $pdf_extracted_count = 0;
3608 - if (!empty($acf_fields)) {
3609 - $acf_content_parts = array();
3610 - $pdf_attachment_ids = array();
3611 -
3612 - foreach ($acf_fields as $field_name => $field_value) {
3613 - $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
3614 -
3615 - if (!empty($formatted_value)) {
3616 - $field_label = ucwords(str_replace('_', ' ', $field_name));
3617 - $acf_content_parts[] = $field_label . ": " . $formatted_value;
3618 - }
3619 -
3620 - // Walk this field's value tree for any PDF attachment references and queue them for extraction.
3621 - // Only when the user opted into ACF→PDF extraction for this batch; otherwise the ACF text
3622 - // still lands in the KB but the heavier PDF parsing is skipped.
3623 - if ($extract_acf_pdfs) {
3624 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($field_value, $pdf_attachment_ids);
3625 - }
3626 - }
3627 -
3628 - if (!empty($acf_content_parts)) {
3629 - $content .= "\n\n" . implode("\n", $acf_content_parts);
3630 - }
3631 -
3632 - // Extract text from each unique PDF found in ACF fields and append as a labeled section
3633 - if ($extract_acf_pdfs && !empty($pdf_attachment_ids)) {
3634 - $pdf_attachment_ids = array_unique(array_filter(array_map('intval', $pdf_attachment_ids)));
3635 - $pdf_sections = array();
3636 - foreach ($pdf_attachment_ids as $att_id) {
3637 - $pdf_text = $this->mxchat_extract_pdf_text_by_attachment_id($att_id);
3638 - if (!empty($pdf_text)) {
3639 - $pdf_title = get_the_title($att_id);
3640 - $pdf_url = wp_get_attachment_url($att_id);
3641 - $header = 'PDF Attachment';
3642 - if (!empty($pdf_title)) {
3643 - $header .= ': ' . $pdf_title;
3644 - }
3645 - if (!empty($pdf_url)) {
3646 - $header .= ' (' . $pdf_url . ')';
3647 - }
3648 - $pdf_sections[] = $header . "\n" . $pdf_text;
3649 - $pdf_extracted_count++;
3650 - }
3651 - }
3652 - if (!empty($pdf_sections)) {
3653 - $content .= "\n\nAttached PDFs:\n" . implode("\n\n", $pdf_sections);
3654 - }
3655 - }
3656 - }
3657 -
3658 - // ADD CUSTOM POST META SUPPORT (whitelisted non-ACF meta fields)
3659 - $custom_meta = $this->mxchat_get_whitelisted_post_meta($post_id);
3660 - if (!empty($custom_meta)) {
3661 - $meta_content_parts = array();
3662 -
3663 - foreach ($custom_meta as $meta_key => $meta_value) {
3664 - // Convert meta key to readable label
3665 - $meta_label = ucwords(str_replace(array('_', '-'), ' ', $meta_key));
3666 - $meta_content_parts[] = $meta_label . ": " . $meta_value;
3667 - }
3668 -
3669 - if (!empty($meta_content_parts)) {
3670 - $content .= "\n\n" . implode("\n", $meta_content_parts);
3671 - }
3672 - }
3673 -
3674 - // Debug logging for WordPress Import content
3675 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Post ID: ' . $post_id . ' Title: ' . $post->post_title);
3676 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Raw post_content length: ' . strlen($post->post_content));
3677 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Final content length: ' . strlen($content));
3678 - //error_log('[MXCHAT-WP-IMPORT-DEBUG] Content preview: ' . substr($content, 0, 300));
3679 -
3680 - // Note: Removed 10,000 char limit - chunking now handles large content properly
3681 -
3682 - // Get bot-specific API key
3683 - $bot_options = $this->get_bot_options($bot_id);
3684 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
3685 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
3686 -
3687 - if (strpos($selected_model, 'voyage') === 0) {
3688 - $api_key = $options['voyage_api_key'] ?? '';
3689 - $provider_name = 'Voyage AI';
3690 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
3691 - $api_key = $options['gemini_api_key'] ?? '';
3692 - $provider_name = 'Google Gemini';
3693 - } else {
3694 - $api_key = $options['api_key'] ?? '';
3695 - $provider_name = 'OpenAI';
3696 - }
3697 -
3698 - if (empty($api_key)) {
3699 - MxChat_Admin::mxchat_log_debug('api_error', $provider_name . ' API key not configured for knowledge processing');
3700 - wp_send_json_error($provider_name . ' API key not configured');
3701 - exit;
3702 - }
3703 -
3704 - $source_url = get_permalink($post_id);
3705 - $vector_id = md5($source_url); // Vector ID for Pinecone
3706 -
3707 - // Check for existing content in bot-specific storage
3708 - $is_update = false;
3709 -
3710 - // Get bot-specific Pinecone configuration
3711 - $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
3712 - $use_pinecone = !empty($bot_pinecone_config) && ($bot_pinecone_config['use_pinecone'] ?? false);
3713 -
3714 - if ($use_pinecone && !empty($bot_pinecone_config['api_key'])) {
3715 - // Check Pinecone for this bot
3716 - $pinecone_data = $this->mxchat_get_pinecone_processed_content($bot_pinecone_config);
3717 - if (isset($pinecone_data[$post_id])) {
3718 - $is_update = true;
3719 - }
3720 - } else {
3721 - // Check WordPress DB (same as before since it's shared)
3722 - global $wpdb;
3723 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3724 - $existing_record = $wpdb->get_row($wpdb->prepare(
3725 - "SELECT id FROM $table_name WHERE source_url = %s",
3726 - $source_url
3727 - ));
3728 -
3729 - if ($existing_record) {
3730 - $is_update = true;
3731 - }
3732 - }
3733 -
3734 - // UPDATED 2.5.6: Determine content type based on post_type
3735 - $post_type = $post->post_type;
3736 - $content_type = 'content'; // Default fallback
3737 -
3738 - // Map WordPress post types to content types
3739 - switch ($post_type) {
3740 - case 'post':
3741 - $content_type = 'post';
3742 - break;
3743 - case 'page':
3744 - $content_type = 'page';
3745 - break;
3746 - case 'product':
3747 - $content_type = 'product';
3748 - break;
3749 - default:
3750 - // For custom post types, use the post type name
3751 - $content_type = sanitize_key($post_type);
3752 - break;
3753 - }
3754 -
3755 - // Use the centralized utility function with bot_id and content_type
3756 - $result = MxChat_Utils::submit_content_to_db(
3757 - $content,
3758 - $source_url,
3759 - $api_key,
3760 - $vector_id,
3761 - $bot_id,
3762 - $content_type
3763 - );
3764 -
3765 - if (is_wp_error($result)) {
3766 - MxChat_Admin::mxchat_log_debug('storage_error', 'Knowledge storage failed: ' . $result->get_error_message(), array('source_url' => $source_url));
3767 - wp_send_json_error('Storage failed: ' . $result->get_error_message());
3768 - exit;
3769 - }
3770 -
3771 - // Automatically apply role restriction based on tags
3772 - $this->apply_role_restriction_to_post($post_id, $source_url);
3773 -
3774 - $operation_type = $is_update ? 'update' : 'new';
3775 -
3776 - // Count ACF fields for debugging
3777 - $acf_field_count = count($acf_fields);
3778 -
3779 - // Success response with minimal data
3780 - wp_send_json_success(array(
3781 - 'message' => $operation_type === 'update' ? 'Content updated successfully' : 'Content processed successfully',
3782 - 'post_id' => $post_id,
3783 - 'title' => $post->post_title,
3784 - 'operation_type' => $operation_type,
3785 - 'vector_id' => $vector_id,
3786 - 'acf_fields_found' => $acf_field_count,
3787 - 'pdf_extracted_count' => (int) $pdf_extracted_count,
3788 - 'content_preview' => substr($content, 0, 100) . '...',
3789 - 'bot_id' => $bot_id
3790 - ));
3791 - exit;
3792 -}
3793 -
3794 -private function apply_role_restriction_to_post($post_id, $source_url) {
3795 - // Get tag-role mappings
3796 - $mappings = get_option('mxchat_tag_role_mappings', array());
3797 -
3798 - if (empty($mappings)) {
3799 - return; // No mappings, leave as public
3800 - }
3801 -
3802 - // Get all tags for the post
3803 - $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
3804 -
3805 - if (empty($post_tags)) {
3806 - return; // No tags, leave as public
3807 - }
3808 -
3809 - // Determine the highest role restriction based on tags
3810 - $highest_role = 'public';
3811 - $role_hierarchy = array(
3812 - 'public' => 0,
3813 - 'logged_in' => 1,
3814 - 'subscriber' => 2,
3815 - 'contributor' => 3,
3816 - 'author' => 4,
3817 - 'editor' => 5,
3818 - 'administrator' => 6
3819 - );
3820 -
3821 - foreach ($post_tags as $tag_slug) {
3822 - if (isset($mappings[$tag_slug])) {
3823 - $role = $mappings[$tag_slug];
3824 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
3825 - $highest_role = $role;
3826 - }
3827 - }
3828 - }
3829 -
3830 - // If no restricted tags found, return (leave as public)
3831 - if ($highest_role === 'public') {
3832 - return;
3833 - }
3834 -
3835 - // Update the role restriction in the database
3836 - global $wpdb;
3837 -
3838 - // Check if using Pinecone
3839 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3840 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3841 -
3842 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3843 - // Update Pinecone role restriction
3844 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
3845 - $vector_id = md5($source_url);
3846 -
3847 - $wpdb->replace(
3848 - $roles_table,
3849 - array(
3850 - 'vector_id' => $vector_id,
3851 - 'role_restriction' => $highest_role,
3852 - 'updated_at' => current_time('mysql')
3853 - ),
3854 - array('%s', '%s', '%s')
3855 - );
3856 - } else {
3857 - // Update WordPress DB
3858 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3859 -
3860 - $wpdb->update(
3861 - $table_name,
3862 - array('role_restriction' => $highest_role),
3863 - array('source_url' => $source_url),
3864 - array('%s'),
3865 - array('%s')
3866 - );
3867 - }
3868 -}
3869 -
3870 -public function mxchat_get_public_post_types() {
3871 - // Get all public post types
3872 - $post_types = get_post_types(array('public' => true), 'objects');
3873 - $post_type_options = array();
3874 -
3875 - foreach ($post_types as $post_type) {
3876 - $post_type_options[$post_type->name] = $post_type->label;
3877 - }
3878 -
3879 - // Also include common forum/community post types that might not be marked as public
3880 - $additional_types = array(
3881 - 'topic' => 'Forum Topics (bbPress)',
3882 - 'reply' => 'Forum Replies (bbPress)',
3883 - 'forum' => 'Forums (bbPress)',
3884 - 'wpforo_topic' => 'wpForo Topics',
3885 - 'wpforo_post' => 'wpForo Posts'
3886 - );
3887 -
3888 - foreach ($additional_types as $type_name => $type_label) {
3889 - if (post_type_exists($type_name) && !isset($post_type_options[$type_name])) {
3890 - $post_type_options[$type_name] = $type_label;
3891 - }
3892 - }
3893 -
3894 - return $post_type_options;
3895 -}
3896 -
3897 -/**
3898 - * Retrieves processed content from Pinecone API
3899 - */
3900 -public function mxchat_get_pinecone_processed_content($pinecone_options) {
3901 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
3902 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
3903 -
3904 - if (empty($api_key) || empty($host)) {
3905 - return array();
3906 - }
3907 -
3908 - $pinecone_data = array();
3909 -
3910 - try {
3911 - // Always get fresh data from Pinecone
3912 - $pinecone_data = $this->mxchat_scan_pinecone_for_processed_content($pinecone_options);
3913 -
3914 - // Method 2: Final fallback - try stats endpoint (if available)
3915 - if (empty($pinecone_data)) {
3916 - $stats_url = "https://{$host}/describe_index_stats";
3917 -
3918 - $response = wp_remote_post($stats_url, array(
3919 - 'headers' => array(
3920 - 'Api-Key' => $api_key,
3921 - 'Content-Type' => 'application/json'
3922 - ),
3923 - 'body' => json_encode(array()),
3924 - 'timeout' => 30
3925 - ));
3926 -
3927 - if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
3928 - $body = wp_remote_retrieve_body($response);
3929 - $stats_data = json_decode($body, true);
3930 - }
3931 - }
3932 -
3933 - } catch (Exception $e) {
3934 - // Log error but return fresh data only
3935 - }
3936 -
3937 - return $pinecone_data;
3938 -}
3939 -public function mxchat_fetch_pinecone_vectors_by_ids($pinecone_options, $vector_ids) {
3940 - //error_log('=== DEBUG: Starting mxchat_fetch_pinecone_vectors_by_ids ===');
3941 -
3942 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
3943 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
3944 -
3945 - if (empty($api_key) || empty($host) || empty($vector_ids)) {
3946 - //error_log('DEBUG: Missing parameters for fetch by IDs');
3947 - return array();
3948 - }
3949 -
3950 - try {
3951 - $fetch_url = "https://{$host}/vectors/fetch";
3952 - //error_log('DEBUG: Fetch URL: ' . $fetch_url);
3953 - //error_log('DEBUG: Fetching ' . count($vector_ids) . ' vector IDs');
3954 -
3955 - // Pinecone fetch API allows fetching specific vectors by ID
3956 - $fetch_data = array(
3957 - 'ids' => array_values($vector_ids)
3958 - );
3959 -
3960 - $response = wp_remote_post($fetch_url, array(
3961 - 'headers' => array(
3962 - 'Api-Key' => $api_key,
3963 - 'Content-Type' => 'application/json'
3964 - ),
3965 - 'body' => json_encode($fetch_data),
3966 - 'timeout' => 30
3967 - ));
3968 -
3969 - if (is_wp_error($response)) {
3970 - //error_log('DEBUG: Fetch by IDs WP error: ' . $response->get_error_message());
3971 - return array();
3972 - }
3973 -
3974 - $response_code = wp_remote_retrieve_response_code($response);
3975 - //error_log('DEBUG: Fetch response code: ' . $response_code);
3976 -
3977 - if ($response_code !== 200) {
3978 - $error_body = wp_remote_retrieve_body($response);
3979 - //error_log('DEBUG: Fetch failed with body: ' . $error_body);
3980 - return array();
3981 - }
3982 -
3983 - $body = wp_remote_retrieve_body($response);
3984 - $data = json_decode($body, true);
3985 -
3986 - //error_log('DEBUG: Fetch response structure: ' . print_r(array_keys($data), true));
3987 -
3988 - if (!isset($data['vectors'])) {
3989 - //error_log('DEBUG: No vectors key in response');
3990 - return array();
3991 - }
3992 -
3993 - $processed_data = array();
3994 -
3995 - foreach ($data['vectors'] as $vector_id => $vector_data) {
3996 - $metadata = $vector_data['metadata'] ?? array();
3997 - $source_url = $metadata['source_url'] ?? '';
3998 -
3999 - if (!empty($source_url)) {
4000 - $post_id = url_to_postid($source_url);
4001 - if ($post_id) {
4002 - $created_at = $metadata['created_at'] ?? '';
4003 - $processed_date = 'Recently';
4004 -
4005 - if (!empty($created_at)) {
4006 - $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
4007 - if ($timestamp) {
4008 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
4009 - }
4010 - }
4011 -
4012 - $processed_data[$post_id] = array(
4013 - 'db_id' => $vector_id,
4014 - 'processed_date' => $processed_date,
4015 - 'url' => $source_url,
4016 - 'source' => 'pinecone',
4017 - 'timestamp' => $timestamp ?? current_time('timestamp')
4018 - );
4019 - }
4020 - }
4021 - }
4022 -
4023 - //error_log('DEBUG: Processed ' . count($processed_data) . ' vectors from fetch');
4024 - return $processed_data;
4025 -
4026 - } catch (Exception $e) {
4027 - //error_log('DEBUG: Exception in fetch_pinecone_vectors_by_ids: ' . $e->getMessage());
4028 - return array();
4029 - }
4030 -}
4031 -
4032 -/**
4033 - * Get embedding dimensions based on the selected model.
4034 - */
4035 -private function mxchat_get_embedding_dimensions() {
4036 - $options = get_option('mxchat_options', array());
4037 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4038 -
4039 - $model_dimensions = array(
4040 - 'text-embedding-ada-002' => 1536,
4041 - 'text-embedding-3-small' => 1536,
4042 - 'text-embedding-3-large' => 3072,
4043 - 'voyage-2' => 1024,
4044 - 'voyage-large-2' => 1536,
4045 - 'voyage-3-large' => 2048,
4046 - 'gemini-embedding-001' => 1536,
4047 - );
4048 -
4049 - if (strpos($selected_model, 'voyage-3-large') === 0) {
4050 - $custom_dimensions = $options['voyage_output_dimension'] ?? 2048;
4051 - return intval($custom_dimensions);
4052 - }
4053 -
4054 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4055 - $custom_dimensions = $options['gemini_output_dimension'] ?? 1536;
4056 - return intval($custom_dimensions);
4057 - }
4058 -
4059 - return $model_dimensions[$selected_model] ?? 1536;
4060 -}
4061 -
4062 -/**
4063 - * Scan Pinecone for processed content
4064 - */
4065 -public function mxchat_scan_pinecone_for_processed_content($pinecone_options) {
4066 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
4067 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
4068 -
4069 - if (empty($api_key) || empty($host)) {
4070 - return array();
4071 - }
4072 -
4073 - try {
4074 - // Use multiple random vectors to get better coverage
4075 - $all_matches = array();
4076 - $seen_ids = array();
4077 -
4078 - // Get correct dimensions for the configured embedding model
4079 - $dimensions = $this->mxchat_get_embedding_dimensions();
4080 -
4081 - // Try 3 different random vectors to get better coverage
4082 - for ($i = 0; $i < 3; $i++) {
4083 - $query_url = "https://{$host}/query";
4084 -
4085 - // Generate a random unit vector instead of zeros
4086 - $random_vector = array();
4087 - for ($j = 0; $j < $dimensions; $j++) {
4088 - $random_vector[] = (rand(-1000, 1000) / 1000.0);
4089 - }
4090 -
4091 - // Normalize the vector to unit length
4092 - $magnitude = sqrt(array_sum(array_map(function($x) { return $x * $x; }, $random_vector)));
4093 - if ($magnitude > 0) {
4094 - $random_vector = array_map(function($x) use ($magnitude) { return $x / $magnitude; }, $random_vector);
4095 - }
4096 -
4097 - $query_data = array(
4098 - 'includeMetadata' => true,
4099 - 'includeValues' => false,
4100 - 'topK' => 10000,
4101 - 'vector' => $random_vector
4102 - );
4103 -
4104 - $response = wp_remote_post($query_url, array(
4105 - 'headers' => array(
4106 - 'Api-Key' => $api_key,
4107 - 'Content-Type' => 'application/json'
4108 - ),
4109 - 'body' => json_encode($query_data),
4110 - 'timeout' => 30
4111 - ));
4112 -
4113 - if (is_wp_error($response)) {
4114 - continue;
4115 - }
4116 -
4117 - $response_code = wp_remote_retrieve_response_code($response);
4118 -
4119 - if ($response_code !== 200) {
4120 - continue;
4121 - }
4122 -
4123 - $body = wp_remote_retrieve_body($response);
4124 - $data = json_decode($body, true);
4125 -
4126 - if (isset($data['matches'])) {
4127 - foreach ($data['matches'] as $match) {
4128 - $match_id = $match['id'] ?? '';
4129 - if (!empty($match_id) && !isset($seen_ids[$match_id])) {
4130 - $all_matches[] = $match;
4131 - $seen_ids[$match_id] = true;
4132 - }
4133 - }
4134 - }
4135 - }
4136 -
4137 - // Convert matches to processed data format, grouping by URL to count chunks
4138 - $processed_data = array();
4139 - $url_chunk_counts = array();
4140 -
4141 - foreach ($all_matches as $match) {
4142 - $metadata = $match['metadata'] ?? array();
4143 - $source_url = $metadata['source_url'] ?? '';
4144 - $match_id = $match['id'] ?? '';
4145 -
4146 - if (!empty($source_url) && !empty($match_id)) {
4147 - $post_id = url_to_postid($source_url);
4148 - if ($post_id) {
4149 - // Count chunks per post_id
4150 - if (!isset($url_chunk_counts[$post_id])) {
4151 - $url_chunk_counts[$post_id] = 0;
4152 - }
4153 - $url_chunk_counts[$post_id]++;
4154 -
4155 - $created_at = $metadata['created_at'] ?? '';
4156 - $processed_date = 'Recently';
4157 -
4158 - if (!empty($created_at)) {
4159 - $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
4160 - if ($timestamp) {
4161 - $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
4162 - }
4163 - }
4164 -
4165 - // Only store if not already set, or update with newer timestamp
4166 - if (!isset($processed_data[$post_id]) ||
4167 - ($timestamp ?? 0) > ($processed_data[$post_id]['timestamp'] ?? 0)) {
4168 - $processed_data[$post_id] = array(
4169 - 'db_id' => $match_id,
4170 - 'processed_date' => $processed_date,
4171 - 'url' => $source_url,
4172 - 'source' => 'pinecone',
4173 - 'timestamp' => $timestamp ?? current_time('timestamp')
4174 - );
4175 - }
4176 - }
4177 - }
4178 - }
4179 -
4180 - // Add chunk counts to processed data
4181 - foreach ($url_chunk_counts as $post_id => $chunk_count) {
4182 - if (isset($processed_data[$post_id])) {
4183 - $processed_data[$post_id]['chunk_count'] = $chunk_count;
4184 - }
4185 - }
4186 -
4187 - return $processed_data;
4188 -
4189 - } catch (Exception $e) {
4190 - return array();
4191 - }
4192 -}
4193 -/**
4194 - * Generate embeddings from input text for MXChat with bot support
4195 - */
4196 -private function mxchat_generate_embedding($text, $bot_id = 'default') {
4197 - // Enable detailed logging for debugging
4198 - //error_log('[MXCHAT-EMBED] Starting embedding generation for bot: ' . $bot_id . '. Text length: ' . strlen($text) . ' bytes');
4199 - //error_log('[MXCHAT-EMBED] Text preview: ' . substr($text, 0, 100) . '...');
4200 -
4201 - // Get bot-specific options
4202 - $bot_options = $this->get_bot_options($bot_id);
4203 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
4204 -
4205 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
4206 - //error_log('[MXCHAT-EMBED] Selected embedding model for bot ' . $bot_id . ': ' . $selected_model);
4207 -
4208 - // Determine provider and endpoint
4209 - if (strpos($selected_model, 'voyage') === 0) {
4210 - $api_key = $options['voyage_api_key'] ?? '';
4211 - $endpoint = 'https://api.voyageai.com/v1/embeddings';
4212 - $provider_name = 'Voyage AI';
4213 - //error_log('[MXCHAT-EMBED] Using Voyage AI API for bot ' . $bot_id);
4214 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
4215 - $api_key = $options['gemini_api_key'] ?? '';
4216 - $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
4217 - $provider_name = 'Google Gemini';
4218 - //error_log('[MXCHAT-EMBED] Using Google Gemini API for bot ' . $bot_id);
4219 - } else {
4220 - $api_key = $options['api_key'] ?? '';
4221 - $endpoint = 'https://api.openai.com/v1/embeddings';
4222 - $provider_name = 'OpenAI';
4223 - //error_log('[MXCHAT-EMBED] Using OpenAI API for bot ' . $bot_id);
4224 - }
4225 -
4226 - //error_log('[MXCHAT-EMBED] Using endpoint: ' . $endpoint);
4227 -
4228 - if (empty($api_key)) {
4229 - $error_message = sprintf('Missing %s API key for bot %s. Please configure your API key in the bot settings.', $provider_name, $bot_id);
4230 - //error_log('[MXCHAT-EMBED] Error: ' . $error_message);
4231 - return $error_message;
4232 - }
4233 -
4234 - // Check if text is too long (for OpenAI, roughly estimate tokens as words/0.75)
4235 - $estimated_tokens = ceil(str_word_count($text) / 0.75);
4236 - //error_log('[MXCHAT-EMBED] Estimated token count: ~' . $estimated_tokens);
4237 -
4238 - if ($estimated_tokens > 8000 && strpos($selected_model, 'voyage') === false && strpos($selected_model, 'gemini-embedding') === false) {
4239 - //error_log('[MXCHAT-EMBED] Warning: Text may exceed OpenAI token limits (8K for most models)');
4240 - // Consider truncating text here
4241 - }
4242 -
4243 - // Prepare request body based on provider
4244 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4245 - // Gemini API format
4246 - $request_body = array(
4247 - 'model' => 'models/' . $selected_model,
4248 - 'content' => array(
4249 - 'parts' => array(
4250 - array('text' => $text)
4251 - )
4252 - )
4253 - );
4254 -
4255 - // Set output dimensionality to 1536 for consistency with other models
4256 - $request_body['outputDimensionality'] = 1536;
4257 - } else {
4258 - // OpenAI/Voyage API format
4259 - $request_body = array(
4260 - 'model' => $selected_model,
4261 - 'input' => $text
4262 - );
4263 -
4264 - // Add output_dimension for voyage-3-large model
4265 - if ($selected_model === 'voyage-3-large') {
4266 - $request_body['output_dimension'] = 2048;
4267 - }
4268 - }
4269 -
4270 - //error_log('[MXCHAT-EMBED] Request prepared with model: ' . $selected_model);
4271 -
4272 - // Prepare headers based on provider
4273 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4274 - // Gemini uses API key as query parameter
4275 - $endpoint .= '?key=' . $api_key;
4276 - $headers = array(
4277 - 'Content-Type' => 'application/json'
4278 - );
4279 - } else {
4280 - // OpenAI/Voyage use Bearer token
4281 - $headers = array(
4282 - 'Authorization' => 'Bearer ' . $api_key,
4283 - 'Content-Type' => 'application/json'
4284 - );
4285 - }
4286 -
4287 - // Make API request
4288 - //error_log('[MXCHAT-EMBED] Sending API request to: ' . $endpoint);
4289 - $response = wp_remote_post($endpoint, array(
4290 - 'body' => wp_json_encode($request_body),
4291 - 'headers' => $headers,
4292 - 'timeout' => 60 // Increased timeout for large inputs
4293 - ));
4294 -
4295 - // Handle wp_remote_post errors
4296 - if (is_wp_error($response)) {
4297 - $error_message = $response->get_error_message();
4298 - //error_log('[MXCHAT-EMBED] WP Remote Post Error: ' . $error_message);
4299 - return 'Connection error: ' . $error_message;
4300 - }
4301 -
4302 - // Get and check HTTP response code
4303 - $http_code = wp_remote_retrieve_response_code($response);
4304 - //error_log('[MXCHAT-EMBED] API Response Code: ' . $http_code);
4305 -
4306 - if ($http_code !== 200) {
4307 - $error_body = wp_remote_retrieve_body($response);
4308 - //error_log('[MXCHAT-EMBED] API Error Response Body: ' . $error_body);
4309 -
4310 - // Try to parse error for more details
4311 - $error_json = json_decode($error_body, true);
4312 - if (json_last_error() === JSON_ERROR_NONE && isset($error_json['error'])) {
4313 - $error_type = $error_json['error']['type'] ?? 'unknown';
4314 - $error_message = $error_json['error']['message'] ?? 'No message';
4315 - //error_log('[MXCHAT-EMBED] API Error Type: ' . $error_type);
4316 - //error_log('[MXCHAT-EMBED] API Error Message: ' . $error_message);
4317 -
4318 - // Customize error message for common API errors
4319 - if ($error_type === 'invalid_request_error' && strpos($error_message, 'API key') !== false) {
4320 - $error_message = sprintf('Invalid %s API key for bot %s. Please check your API key in the bot settings.', $provider_name, $bot_id);
4321 - } elseif ($error_type === 'authentication_error') {
4322 - $error_message = sprintf('%s authentication failed for bot %s. Please verify your API key in the bot settings.', $provider_name, $bot_id);
4323 - }
4324 -
4325 - //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
4326 - return $error_message;
4327 - }
4328 -
4329 - $error_message = sprintf("API Error (HTTP %d): Unable to generate embedding for bot %s", $http_code, $bot_id);
4330 - //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
4331 - return $error_message;
4332 - }
4333 -
4334 - // Parse response body
4335 - $response_body = wp_remote_retrieve_body($response);
4336 - //error_log('[MXCHAT-EMBED] Received response length: ' . strlen($response_body) . ' bytes');
4337 -
4338 - $response_data = json_decode($response_body, true);
4339 -
4340 - if (json_last_error() !== JSON_ERROR_NONE) {
4341 - $error = json_last_error_msg();
4342 - //error_log('[MXCHAT-EMBED] JSON Parse Error: ' . $error);
4343 - //error_log('[MXCHAT-EMBED] Response preview: ' . substr($response_body, 0, 200));
4344 - return "Failed to parse API response: $error";
4345 - }
4346 -
4347 - // Handle different response formats based on provider
4348 - if (strpos($selected_model, 'gemini-embedding') === 0) {
4349 - // Gemini API response format
4350 - if (isset($response_data['embedding']['values'])) {
4351 - $embedding_dimensions = count($response_data['embedding']['values']);
4352 - //error_log('[MXCHAT-EMBED] Successfully extracted Gemini embedding with ' . $embedding_dimensions . ' dimensions');
4353 -
4354 - // Check if embedding dimensions are as expected (should be 1536)
4355 - if ($embedding_dimensions !== 1536) {
4356 - //error_log('[MXCHAT-EMBED] Warning: Unexpected Gemini embedding dimensions: ' . $embedding_dimensions);
4357 - }
4358 -
4359 - return $response_data['embedding']['values'];
4360 - } else {
4361 - //error_log('[MXCHAT-EMBED] Error: No embedding found in Gemini response');
4362 - //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
4363 -
4364 - if (isset($response_data['error'])) {
4365 - $error_message = "Gemini API Error in response: " . wp_json_encode($response_data['error']);
4366 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4367 - return $error_message;
4368 - }
4369 -
4370 - $error_message = "Invalid Gemini API response format: No embedding found";
4371 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4372 - return $error_message;
4373 - }
4374 - } else {
4375 - // OpenAI/Voyage API response format
4376 - if (isset($response_data['data'][0]['embedding'])) {
4377 - $embedding_dimensions = count($response_data['data'][0]['embedding']);
4378 - //error_log('[MXCHAT-EMBED] Successfully extracted embedding with ' . $embedding_dimensions . ' dimensions');
4379 -
4380 - // Check if embedding dimensions are as expected
4381 - if (($selected_model === 'text-embedding-ada-002' && $embedding_dimensions !== 1536) ||
4382 - ($selected_model === 'voyage-3-large' && $embedding_dimensions !== 2048)) {
4383 - //error_log('[MXCHAT-EMBED] Warning: Unexpected embedding dimensions');
4384 - }
4385 -
4386 - return $response_data['data'][0]['embedding'];
4387 - } else {
4388 - //error_log('[MXCHAT-EMBED] Error: No embedding found in response');
4389 - //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
4390 -
4391 - if (isset($response_data['error'])) {
4392 - $error_message = "API Error in response: " . wp_json_encode($response_data['error']);
4393 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4394 - return $error_message;
4395 - }
4396 -
4397 - $error_message = "Invalid API response format: No embedding found";
4398 - //error_log('[MXCHAT-EMBED] ' . $error_message);
4399 - return $error_message;
4400 - }
4401 - }
4402 -}
4403 -
4404 -/**
4405 - * Get bot-specific options for multi-bot functionality
4406 - * Falls back to default options if bot_id is 'default' or multi-bot add-on is not active
4407 - */
4408 -private function get_bot_options($bot_id = 'default') {
4409 - //error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id);
4410 -
4411 - if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
4412 - //error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')");
4413 - return array();
4414 - }
4415 -
4416 - $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
4417 -
4418 - if (!empty($bot_options)) {
4419 - //error_log("MXCHAT DEBUG: Got bot-specific options from filter");
4420 - if (isset($bot_options['similarity_threshold'])) {
4421 - //error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']);
4422 - }
4423 - }
4424 -
4425 - return is_array($bot_options) ? $bot_options : array();
4426 -}
4427 -
4428 -/**
4429 - * Get bot-specific Pinecone configuration
4430 - * Used in the knowledge retrieval functions
4431 - */
4432 -// Also add debugging to your get_bot_pinecone_config function
4433 -private function get_bot_pinecone_config($bot_id = 'default') {
4434 - //error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id);
4435 -
4436 - // If default bot or multi-bot add-on not active, use default Pinecone config
4437 - if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
4438 - //error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')");
4439 - $addon_options = get_option('mxchat_pinecone_addon_options', array());
4440 - $config = array(
4441 - 'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'),
4442 - 'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '',
4443 - 'host' => $addon_options['mxchat_pinecone_host'] ?? '',
4444 - 'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? ''
4445 - );
4446 - //error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false'));
4447 - return $config;
4448 - }
4449 -
4450 - //error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id);
4451 -
4452 - // Hook for multi-bot add-on to provide bot-specific Pinecone config
4453 - $bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
4454 -
4455 - if (!empty($bot_pinecone_config)) {
4456 - //error_log("MXCHAT DEBUG: Got bot-specific config from filter");
4457 - //error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set'));
4458 - //error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set'));
4459 - //error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set'));
4460 - } else {
4461 - //error_log("MXCHAT DEBUG: Filter returned empty config!");
4462 - }
4463 -
4464 - return is_array($bot_pinecone_config) ? $bot_pinecone_config : array();
4465 -}
4466 -
4467 -
4468 -public function mxchat_ajax_dismiss_completed_status() {
4469 - try {
4470 - // Verify the request
4471 - check_ajax_referer('mxchat_status_nonce', 'nonce');
4472 -
4473 - if (!current_user_can('manage_options')) {
4474 - wp_send_json_error('Unauthorized access');
4475 - exit;
4476 - }
4477 -
4478 - $card_type = isset($_POST['card_type']) ? sanitize_text_field($_POST['card_type']) : '';
4479 -
4480 - if ($card_type === 'pdf') {
4481 - // Clear PDF status
4482 - $pdf_url = get_transient('mxchat_last_pdf_url');
4483 - if ($pdf_url) {
4484 - delete_transient('mxchat_pdf_status_' . md5($pdf_url));
4485 - delete_transient('mxchat_last_pdf_url');
4486 - }
4487 - } elseif ($card_type === 'sitemap') {
4488 - // Clear sitemap status
4489 - $sitemap_url = get_transient('mxchat_last_sitemap_url');
4490 - if ($sitemap_url) {
4491 - delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
4492 - delete_transient('mxchat_last_sitemap_url');
4493 - }
4494 - }
4495 -
4496 - wp_send_json_success(array('message' => 'Status dismissed successfully'));
4497 -
4498 - } catch (Exception $e) {
4499 - wp_send_json_error(array('message' => 'Error dismissing status: ' . $e->getMessage()));
4500 - }
4501 -}
4502 -
4503 -/**
4504 - * Render completed status cards on page load
4505 - * This ensures completed processing status persists through page refreshes
4506 - */
4507 -public function mxchat_render_completed_status_cards() {
4508 - $output = '';
4509 -
4510 - // Check for completed PDF status
4511 - $pdf_url = get_transient('mxchat_last_pdf_url');
4512 - if ($pdf_url) {
4513 - $pdf_status = $this->mxchat_get_pdf_processing_status($pdf_url);
4514 - if ($pdf_status && ($pdf_status['status'] === 'complete' || $pdf_status['status'] === 'error')) {
4515 - $output .= $this->mxchat_render_pdf_status_card($pdf_status, $pdf_url);
4516 - }
4517 - }
4518 -
4519 - // Check for completed sitemap status
4520 - $sitemap_url = get_transient('mxchat_last_sitemap_url');
4521 - if ($sitemap_url) {
4522 - $sitemap_status = $this->mxchat_get_sitemap_processing_status($sitemap_url);
4523 - if ($sitemap_status && ($sitemap_status['status'] === 'complete' || $sitemap_status['status'] === 'error')) {
4524 - $output .= $this->mxchat_render_sitemap_status_card($sitemap_status, $sitemap_url);
4525 - }
4526 - }
4527 -
4528 - return $output;
4529 -}
4530 -
4531 -/**
4532 - * Render PDF status card HTML
4533 - */
4534 -private function mxchat_render_pdf_status_card($status, $pdf_url) {
4535 - $html = '<div class="mxchat-status-card" data-card-type="pdf">';
4536 - $html .= '<div class="mxchat-status-header">';
4537 - $html .= '<h4>' . esc_html__('PDF Processing Status', 'mxchat') . '</h4>';
4538 -
4539 - // Add dismiss button for completed status
4540 - if ($status['status'] === 'complete' || $status['status'] === 'error') {
4541 - $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
4542 - }
4543 -
4544 - // Process Batch button for processing status
4545 - if ($status['status'] === 'processing') {
4546 - $html .= '<button type="button" class="mxchat-manual-batch-btn"
4547 - data-process-type="pdf"
4548 - data-url="' . esc_attr($pdf_url) . '">
4549 - ' . esc_html__('Process Batch', 'mxchat') . '</button>';
4550 - }
4551 -
4552 - // Add status badges
4553 - if ($status['status'] === 'error') {
4554 - $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
4555 - } elseif ($status['status'] === 'complete') {
4556 - if ($status['failed_pages'] > 0) {
4557 - $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
4558 - sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_pages']) . '</span>';
4559 - } else {
4560 - $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
4561 - }
4562 - }
4563 -
4564 - $html .= '</div>'; // End header
4565 -
4566 - // Progress bar
4567 - $html .= '<div class="mxchat-progress-bar">';
4568 - $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
4569 - $html .= '</div>';
4570 -
4571 - // Status details
4572 - $html .= '<div class="mxchat-status-details">';
4573 - $html .= '<p>' . sprintf(
4574 - esc_html__('Progress: %d of %d pages (%d%%)', 'mxchat'),
4575 - $status['processed_pages'],
4576 - $status['total_pages'],
4577 - $status['percentage']
4578 - ) . '</p>';
4579 -
4580 - // Show failed pages count if any
4581 - if ($status['failed_pages'] > 0) {
4582 - $html .= '<p><strong>' . esc_html__('Failed pages:', 'mxchat') . '</strong> ' . esc_html($status['failed_pages']) . '</p>';
4583 - }
4584 -
4585 - $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
4586 - $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
4587 -
4588 - // Add completion summary if available AND it's an array
4589 - if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
4590 - $summary = $status['completion_summary'];
4591 - $html .= '<div class="mxchat-completion-summary">';
4592 - $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
4593 - $html .= '<p><strong>' . esc_html__('Total Pages:', 'mxchat') . '</strong> ' . esc_html($summary['total_pages']) . '</p>';
4594 - $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_pages']) . '</p>';
4595 - $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_pages']) . '</p>';
4596 - $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
4597 - $html .= '</div>';
4598 - }
4599 -
4600 - // Add failed pages list if any AND it's an array
4601 - if (isset($status['failed_pages_list']) && is_array($status['failed_pages_list']) && !empty($status['failed_pages_list'])) {
4602 - $html .= $this->mxchat_render_failed_pages_list($status['failed_pages_list']);
4603 - }
4604 -
4605 - // Add error message if any
4606 - if (isset($status['error']) && !empty($status['error'])) {
4607 - $html .= '<div class="mxchat-error-notice">';
4608 - $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
4609 - $html .= '</div>';
4610 - }
4611 -
4612 - $html .= '</div>'; // End details
4613 - $html .= '</div>'; // End card
4614 -
4615 - return $html;
4616 -}
4617 -/**
4618 - * Render sitemap status card HTML
4619 - */
4620 -private function mxchat_render_sitemap_status_card($status, $sitemap_url) {
4621 - $html = '<div class="mxchat-status-card" data-card-type="sitemap">';
4622 - $html .= '<div class="mxchat-status-header">';
4623 - $html .= '<h4>' . esc_html__('Sitemap Processing Status', 'mxchat') . '</h4>';
4624 -
4625 - // Add dismiss button for completed status
4626 - if ($status['status'] === 'complete' || $status['status'] === 'error') {
4627 - $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
4628 - }
4629 -
4630 - // Process Batch button for processing status
4631 - if ($status['status'] === 'processing') {
4632 - $html .= '<button type="button" class="mxchat-manual-batch-btn"
4633 - data-process-type="sitemap"
4634 - data-url="' . esc_attr($sitemap_url) . '">
4635 - ' . esc_html__('Process Batch', 'mxchat') . '</button>';
4636 - }
4637 -
4638 - // Add status badges
4639 - if ($status['status'] === 'error') {
4640 - $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
4641 - } elseif ($status['status'] === 'complete') {
4642 - if ($status['failed_urls'] > 0) {
4643 - $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
4644 - sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_urls']) . '</span>';
4645 - } else {
4646 - $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
4647 - }
4648 - }
4649 -
4650 - $html .= '</div>'; // End header
4651 -
4652 - // Progress bar
4653 - $html .= '<div class="mxchat-progress-bar">';
4654 - $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
4655 - $html .= '</div>';
4656 -
4657 - // Status details
4658 - $html .= '<div class="mxchat-status-details">';
4659 - $html .= '<p>' . sprintf(
4660 - esc_html__('Progress: %d of %d URLs (%d%%)', 'mxchat'),
4661 - $status['processed_urls'],
4662 - $status['total_urls'],
4663 - $status['percentage']
4664 - ) . '</p>';
4665 -
4666 - // Show failed URLs count if any
4667 - if ($status['failed_urls'] > 0) {
4668 - $html .= '<p><strong>' . esc_html__('Failed URLs:', 'mxchat') . '</strong> ' . esc_html($status['failed_urls']) . '</p>';
4669 - }
4670 -
4671 - $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
4672 - $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
4673 -
4674 - // Add completion summary if available AND it's an array
4675 - if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
4676 - $summary = $status['completion_summary'];
4677 - $html .= '<div class="mxchat-completion-summary">';
4678 - $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
4679 - $html .= '<p><strong>' . esc_html__('Total URLs:', 'mxchat') . '</strong> ' . esc_html($summary['total_urls']) . '</p>';
4680 - $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_urls']) . '</p>';
4681 - $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_urls']) . '</p>';
4682 - $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
4683 - $html .= '</div>';
4684 - }
4685 -
4686 - // Add error messages if any (but not the failed URLs list)
4687 - if (!empty($status['error']) || !empty($status['last_error'])) {
4688 - $html .= '<div class="mxchat-error-notice">';
4689 -
4690 - if (!empty($status['error'])) {
4691 - $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
4692 - }
4693 -
4694 - if (!empty($status['last_error'])) {
4695 - $html .= '<p class="last-error">' . esc_html__('Last error:', 'mxchat') . ' ' . esc_html($status['last_error']) . '</p>';
4696 - }
4697 -
4698 - $html .= '</div>';
4699 - }
4700 -
4701 - $html .= '</div>'; // End details
4702 - $html .= '</div>'; // End card
4703 -
4704 - return $html;
4705 -}
4706 -
4707 -
4708 -/**
4709 - * Render failed pages list
4710 - */
4711 -private function mxchat_render_failed_pages_list($failed_pages_list) {
4712 - // Validate that $failed_pages_list is an array and not empty
4713 - if (!is_array($failed_pages_list) || empty($failed_pages_list)) {
4714 - return '';
4715 - }
4716 -
4717 - $html = '<div class="mxchat-error-notice">';
4718 - $html .= '<div class="mxchat-failed-pages-container">';
4719 - $html .= '<h5>' . sprintf(esc_html__('Failed Pages (%d)', 'mxchat'), count($failed_pages_list)) . '</h5>';
4720 - $html .= '<details>';
4721 - $html .= '<summary>' . esc_html__('Show Failed Pages', 'mxchat') . '</summary>';
4722 - $html .= '<div class="mxchat-failed-pages-list">';
4723 -
4724 - // Create table for failed pages
4725 - $html .= '<table class="widefat striped">';
4726 - $html .= '<thead><tr>';
4727 - $html .= '<th>' . esc_html__('Page', 'mxchat') . '</th>';
4728 - $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
4729 - $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
4730 - $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
4731 - $html .= '</tr></thead><tbody>';
4732 -
4733 - // Sort failed pages by most recent
4734 - $sorted_failed_pages = $failed_pages_list;
4735 - usort($sorted_failed_pages, function($a, $b) {
4736 - return ($b['time'] ?? 0) - ($a['time'] ?? 0);
4737 - });
4738 -
4739 - foreach ($sorted_failed_pages as $item) {
4740 - // Ensure $item is an array before accessing its elements
4741 - if (!is_array($item)) {
4742 - continue;
4743 - }
4744 -
4745 - $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
4746 - $html .= '<tr>';
4747 - $html .= '<td>' . esc_html__('Page', 'mxchat') . ' ' . esc_html($item['page'] ?? 'Unknown') . '</td>';
4748 - $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
4749 - $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
4750 - $html .= '<td>' . esc_html($time_ago) . '</td>';
4751 - $html .= '</tr>';
4752 - }
4753 -
4754 - $html .= '</tbody></table>';
4755 - $html .= '</div></details></div></div>';
4756 -
4757 - return $html;
4758 -}
4759 -
4760 -/**
4761 - * Render failed URLs list
4762 - */
4763 -private function mxchat_render_failed_urls_list($failed_urls_list) {
4764 - // Validate that $failed_urls_list is an array and not empty
4765 - if (!is_array($failed_urls_list) || empty($failed_urls_list)) {
4766 - return '';
4767 - }
4768 -
4769 - $html = '<div class="mxchat-failed-urls-container">';
4770 - $html .= '<h5>' . sprintf(esc_html__('Failed URLs (%d)', 'mxchat'), count($failed_urls_list)) . '</h5>';
4771 - $html .= '<details>';
4772 - $html .= '<summary>' . esc_html__('Show Failed URLs', 'mxchat') . '</summary>';
4773 - $html .= '<div class="mxchat-failed-urls-list">';
4774 -
4775 - // Create table for failed URLs
4776 - $html .= '<table class="widefat striped">';
4777 - $html .= '<thead><tr>';
4778 - $html .= '<th>' . esc_html__('URL', 'mxchat') . '</th>';
4779 - $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
4780 - $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
4781 - $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
4782 - $html .= '</tr></thead><tbody>';
4783 -
4784 - // Sort failed URLs by most recent
4785 - $sorted_failed_urls = $failed_urls_list;
4786 - usort($sorted_failed_urls, function($a, $b) {
4787 - return ($b['time'] ?? 0) - ($a['time'] ?? 0);
4788 - });
4789 -
4790 - // Show up to 50 failed URLs
4791 - $display_urls = array_slice($sorted_failed_urls, 0, 50);
4792 -
4793 - foreach ($display_urls as $item) {
4794 - // Ensure $item is an array before accessing its elements
4795 - if (!is_array($item)) {
4796 - continue;
4797 - }
4798 -
4799 - $url = $item['url'] ?? '';
4800 - $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
4801 -
4802 - // Truncate URL for display
4803 - $display_url = strlen($url) > 50 ? substr($url, 0, 47) . '...' : $url;
4804 -
4805 - $html .= '<tr>';
4806 - $html .= '<td style="word-break: break-all;">';
4807 - if (!empty($url)) {
4808 - $html .= '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($display_url) . '</a>';
4809 - } else {
4810 - $html .= esc_html__('Unknown URL', 'mxchat');
4811 - }
4812 - $html .= '</td>';
4813 - $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
4814 - $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
4815 - $html .= '<td>' . esc_html($time_ago) . '</td>';
4816 - $html .= '</tr>';
4817 - }
4818 -
4819 - $html .= '</tbody></table>';
4820 -
4821 - if (count($failed_urls_list) > 50) {
4822 - $html .= '<div class="mxchat-failed-urls-more">+ ' .
4823 - (count($failed_urls_list) - 50) .
4824 - ' ' . esc_html__('more failed URLs not shown', 'mxchat') . '</div>';
4825 - }
4826 -
4827 - $html .= '</div></details></div>';
4828 -
4829 - return $html;
4830 -}
4831 -
4832 -/**
4833 - * Get all ACF fields for a specific post, excluding any fields the user has disabled
4834 - */
4835 -public function mxchat_get_acf_fields_for_post($post_id) {
4836 - if (!function_exists('get_fields')) {
4837 - return array();
4838 - }
4839 -
4840 - $fields = get_fields($post_id);
4841 - if (!$fields || !is_array($fields)) {
4842 - return array();
4843 - }
4844 -
4845 - // Get excluded fields from settings
4846 - $excluded_fields = get_option('mxchat_acf_excluded_fields', array());
4847 - if (!empty($excluded_fields) && is_array($excluded_fields)) {
4848 - foreach ($excluded_fields as $excluded_field) {
4849 - if (isset($fields[$excluded_field])) {
4850 - unset($fields[$excluded_field]);
4851 - }
4852 - }
4853 - }
4854 -
4855 - return $fields;
4856 -}
4857 -
4858 -/**
4859 - * Get all registered ACF field groups and their fields for the settings UI
4860 - */
4861 -public function mxchat_get_all_acf_fields() {
4862 - if (!function_exists('acf_get_field_groups') || !function_exists('acf_get_fields')) {
4863 - return array();
4864 - }
4865 -
4866 - $all_fields = array();
4867 - $field_groups = acf_get_field_groups();
4868 -
4869 - if (!empty($field_groups)) {
4870 - foreach ($field_groups as $group) {
4871 - $group_fields = acf_get_fields($group['key']);
4872 - if (!empty($group_fields)) {
4873 - $all_fields[$group['title']] = array();
4874 - foreach ($group_fields as $field) {
4875 - $all_fields[$group['title']][] = array(
4876 - 'name' => $field['name'],
4877 - 'label' => $field['label'],
4878 - 'type' => $field['type']
4879 - );
4880 - }
4881 - }
4882 - }
4883 - }
4884 -
4885 - return $all_fields;
4886 -}
4887 -
4888 -/**
4889 - * Get whitelisted custom post meta for a given post
4890 - * This allows non-ACF meta fields (like OptionTree, theme meta boxes) to be included in embeddings
4891 - */
4892 -public function mxchat_get_whitelisted_post_meta($post_id) {
4893 - $whitelist = get_option('mxchat_custom_meta_whitelist', '');
4894 -
4895 - if (empty($whitelist)) {
4896 - return array();
4897 - }
4898 -
4899 - // Parse the whitelist - one meta key per line
4900 - $meta_keys = array_filter(array_map('trim', explode("\n", $whitelist)));
4901 -
4902 - if (empty($meta_keys)) {
4903 - return array();
4904 - }
4905 -
4906 - $result = array();
4907 -
4908 - foreach ($meta_keys as $key) {
4909 - // Skip empty keys
4910 - if (empty($key)) {
4911 - continue;
4912 - }
4913 -
4914 - $value = get_post_meta($post_id, $key, true);
4915 -
4916 - // Only include non-empty string values
4917 - if (!empty($value) && is_string($value)) {
4918 - $result[$key] = $value;
4919 - } elseif (!empty($value) && is_array($value)) {
4920 - // Handle array values by joining them
4921 - $flat_value = $this->mxchat_flatten_meta_array($value);
4922 - if (!empty($flat_value)) {
4923 - $result[$key] = $flat_value;
4924 - }
4925 - }
4926 - }
4927 -
4928 - return $result;
4929 -}
4930 -
4931 -/**
4932 - * Flatten array meta values into a readable string
4933 - */
4934 -private function mxchat_flatten_meta_array($array, $depth = 0) {
4935 - if ($depth > 3) {
4936 - return ''; // Prevent infinite recursion
4937 - }
4938 -
4939 - $parts = array();
4940 -
4941 - foreach ($array as $key => $value) {
4942 - if (is_string($value) && !empty($value)) {
4943 - $parts[] = $value;
4944 - } elseif (is_array($value)) {
4945 - $nested = $this->mxchat_flatten_meta_array($value, $depth + 1);
4946 - if (!empty($nested)) {
4947 - $parts[] = $nested;
4948 - }
4949 - }
4950 - }
4951 -
4952 - return implode(', ', $parts);
4953 -}
4954 -
4955 -/**
4956 - * Format ACF field values for content extraction
4957 - */
4958 -public function mxchat_format_acf_field_value($value, $field_name = '', $post_id = 0) {
4959 - if (empty($value)) {
4960 - return '';
4961 - }
4962 -
4963 - // Handle WP_Post objects first (THIS IS THE KEY FIX)
4964 - if ($value instanceof WP_Post) {
4965 - return $value->post_title ?: '';
4966 - }
4967 -
4968 - // Handle other WP objects
4969 - if (is_object($value)) {
4970 - if (isset($value->post_title)) {
4971 - return $value->post_title;
4972 - } elseif (isset($value->display_name)) {
4973 - return $value->display_name;
4974 - } elseif (isset($value->name)) {
4975 - return $value->name;
4976 - } elseif (method_exists($value, '__toString')) {
4977 - try {
4978 - return (string) $value;
4979 - } catch (Exception $e) {
4980 - return '';
4981 - }
4982 - }
4983 - // For any other objects, return empty string
4984 - return '';
4985 - }
4986 -
4987 - // Handle different ACF field types
4988 - if (is_array($value)) {
4989 - // Check if it's an image/file field
4990 - if (isset($value['url'])) {
4991 - // Image field - return alt text, title, or caption
4992 - if (!empty($value['alt'])) {
4993 - return $value['alt'];
4994 - } elseif (!empty($value['title'])) {
4995 - return $value['title'];
4996 - } elseif (!empty($value['caption'])) {
4997 - return $value['caption'];
4998 - } else {
4999 - return ''; // Don't include just the URL
5000 - }
5001 - }
5002 -
5003 - // Check if it's a post object or relationship field
5004 - if (isset($value['post_title'])) {
5005 - return $value['post_title'];
5006 - }
5007 -
5008 - // Check if it's a user field
5009 - if (isset($value['display_name'])) {
5010 - return $value['display_name'];
5011 - }
5012 -
5013 - // Check if it's a taxonomy term
5014 - if (isset($value['name']) && isset($value['taxonomy'])) {
5015 - return $value['name'];
5016 - }
5017 -
5018 - // Check if it's a select field with label
5019 - if (isset($value['label'])) {
5020 - return $value['label'];
5021 - }
5022 -
5023 - // Check for repeater field or flexible content
5024 - if (is_numeric(key($value))) {
5025 - $sub_values = array();
5026 - foreach ($value as $sub_item) {
5027 - if (is_array($sub_item)) {
5028 - // For repeater/flexible content, extract text values
5029 - $sub_text = $this->mxchat_extract_text_from_acf_array($sub_item);
5030 - if (!empty($sub_text)) {
5031 - $sub_values[] = $sub_text;
5032 - }
5033 - } elseif ($sub_item instanceof WP_Post) {
5034 - // Handle WP_Post objects in arrays
5035 - $sub_values[] = $sub_item->post_title ?: '';
5036 - } else {
5037 - $sub_values[] = (string) $sub_item;
5038 - }
5039 - }
5040 - return implode(', ', array_filter($sub_values));
5041 - }
5042 -
5043 - // For other arrays, try to extract meaningful text
5044 - $text_values = array();
5045 - foreach ($value as $key => $val) {
5046 - if (is_string($val) && !empty(trim($val))) {
5047 - $text_values[] = trim($val);
5048 - } elseif ($val instanceof WP_Post) {
5049 - // Handle WP_Post objects in associative arrays
5050 - $text_values[] = $val->post_title ?: '';
5051 - } elseif (is_array($val) && isset($val['post_title'])) {
5052 - $text_values[] = $val['post_title'];
5053 - } elseif (is_array($val) && isset($val['name'])) {
5054 - $text_values[] = $val['name'];
5055 - }
5056 - }
5057 -
5058 - return implode(', ', array_filter($text_values));
5059 - }
5060 -
5061 - // Handle boolean values
5062 - if (is_bool($value)) {
5063 - return $value ? 'Yes' : 'No';
5064 - }
5065 -
5066 - // Handle numeric values
5067 - if (is_numeric($value)) {
5068 - return (string) $value;
5069 - }
5070 -
5071 - // Handle string values
5072 - if (is_string($value)) {
5073 - return trim($value);
5074 - }
5075 -
5076 - // For anything else that we can't handle, return empty string
5077 - // This prevents the "Object could not be converted to string" error
5078 - return '';
5079 -}
5080 -
5081 -/**
5082 - * Extract text from complex ACF array structures
5083 - */
5084 -private function mxchat_extract_text_from_acf_array($array) {
5085 - if (!is_array($array)) {
5086 - return '';
5087 - }
5088 -
5089 - $text_parts = array();
5090 -
5091 - foreach ($array as $key => $value) {
5092 - if (is_string($value) && !empty(trim($value))) {
5093 - // Skip keys that are likely to be IDs or technical values
5094 - if (!is_numeric($value) || strlen($value) > 10) {
5095 - $text_parts[] = trim($value);
5096 - }
5097 - } elseif ($value instanceof WP_Post) {
5098 - // Handle WP_Post objects
5099 - $text_parts[] = $value->post_title ?: '';
5100 - } elseif (is_array($value)) {
5101 - if (isset($value['post_title'])) {
5102 - $text_parts[] = $value['post_title'];
5103 - } elseif (isset($value['name'])) {
5104 - $text_parts[] = $value['name'];
5105 - } elseif (isset($value['label'])) {
5106 - $text_parts[] = $value['label'];
5107 - }
5108 - } elseif (is_object($value)) {
5109 - // Handle other objects safely
5110 - if (isset($value->post_title)) {
5111 - $text_parts[] = $value->post_title;
5112 - } elseif (isset($value->name)) {
5113 - $text_parts[] = $value->name;
5114 - } elseif (isset($value->display_name)) {
5115 - $text_parts[] = $value->display_name;
5116 - }
5117 - }
5118 - }
5119 -
5120 - return implode(', ', array_filter($text_parts));
5121 -}
5122 -
5123 -/**
5124 - * Walk an ACF field value tree and collect attachment IDs for any value that
5125 - * resolves to a PDF in the WordPress media library. Handles the three shapes
5126 - * ACF returns for File/Image/URL fields (array with ID+url, integer attachment ID,
5127 - * plain URL string), and recurses through repeater/group/flexible content.
5128 - *
5129 - * @param mixed $value The ACF field value (any depth)
5130 - * @param array $out Accumulator (passed by reference) for attachment IDs
5131 - * @param int $depth Recursion guard
5132 - */
5133 -private function mxchat_collect_pdf_attachment_ids_from_acf_value($value, &$out, $depth = 0) {
5134 - if ($depth > 6) {
5135 - return; // prevent runaway recursion on circular/very-deep structures
5136 - }
5137 -
5138 - if (empty($value)) {
5139 - return;
5140 - }
5141 -
5142 - // Array shapes: ACF File/Image return value=array; repeaters/groups are arrays of arrays
5143 - if (is_array($value)) {
5144 - // Direct File/Image-style array (has 'url' and usually 'ID' + 'mime_type')
5145 - $looks_like_attachment = isset($value['url']) || isset($value['ID']) || isset($value['id']);
5146 - if ($looks_like_attachment) {
5147 - $att_id = 0;
5148 - if (!empty($value['ID']) && is_numeric($value['ID'])) {
5149 - $att_id = (int) $value['ID'];
5150 - } elseif (!empty($value['id']) && is_numeric($value['id'])) {
5151 - $att_id = (int) $value['id'];
5152 - } elseif (!empty($value['url']) && is_string($value['url'])) {
5153 - $att_id = (int) attachment_url_to_postid($value['url']);
5154 - }
5155 -
5156 - $is_pdf = false;
5157 - if (!empty($value['mime_type']) && $value['mime_type'] === 'application/pdf') {
5158 - $is_pdf = true;
5159 - } elseif (!empty($value['subtype']) && strtolower((string) $value['subtype']) === 'pdf') {
5160 - $is_pdf = true;
5161 - } elseif (!empty($value['url']) && is_string($value['url']) && $this->mxchat_url_looks_like_pdf($value['url'])) {
5162 - $is_pdf = true;
5163 - } elseif ($att_id && get_post_mime_type($att_id) === 'application/pdf') {
5164 - $is_pdf = true;
5165 - }
5166 -
5167 - if ($is_pdf && $att_id && get_post_mime_type($att_id) === 'application/pdf') {
5168 - $out[] = $att_id;
5169 - }
5170 - // An array node that represents one attachment doesn't contain other
5171 - // attachments inside it — done with this branch.
5172 - return;
5173 - }
5174 -
5175 - // Recurse: repeater rows, flexible-content layouts, groups, etc.
5176 - foreach ($value as $sub) {
5177 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($sub, $out, $depth + 1);
5178 - }
5179 - return;
5180 - }
5181 -
5182 - // Plain numeric attachment ID (ACF File field set to "Return: ID")
5183 - if (is_numeric($value)) {
5184 - $att_id = (int) $value;
5185 - if ($att_id > 0 && get_post_mime_type($att_id) === 'application/pdf') {
5186 - $out[] = $att_id;
5187 - }
5188 - return;
5189 - }
5190 -
5191 - // Plain string — URL pointing at a PDF (ACF File field set to "Return: URL", or a custom URL/text field)
5192 - if (is_string($value)) {
5193 - $trimmed = trim($value);
5194 - if ($trimmed !== '' && $this->mxchat_url_looks_like_pdf($trimmed)) {
5195 - $att_id = (int) attachment_url_to_postid($trimmed);
5196 - if ($att_id > 0 && get_post_mime_type($att_id) === 'application/pdf') {
5197 - $out[] = $att_id;
5198 - }
5199 - }
5200 - return;
5201 - }
5202 -}
5203 -
5204 -/**
5205 - * Heuristic: does this URL/string look like a PDF reference?
5206 - * Tolerates query strings and fragments (#page=2).
5207 - */
5208 -private function mxchat_url_looks_like_pdf($url) {
5209 - if (!is_string($url) || $url === '') {
5210 - return false;
5211 - }
5212 - // Strip query + fragment before checking extension
5213 - $path = preg_replace('/[?#].*$/', '', $url);
5214 - return (bool) preg_match('/\.pdf$/i', $path);
5215 -}
5216 -
5217 -/**
5218 - * Extract text from a PDF attachment by ID using the bundled Smalot parser.
5219 - * Reads the file directly from disk via get_attached_file (no HTTP fetch).
5220 - * Result is cached on the attachment as post_meta keyed by file mtime so we
5221 - * only parse the same PDF once unless the file changes on disk.
5222 - *
5223 - * @param int $attachment_id
5224 - * @return string Extracted plain text, or '' on failure.
5225 - */
5226 -private function mxchat_extract_pdf_text_by_attachment_id($attachment_id) {
5227 - $attachment_id = (int) $attachment_id;
5228 - if ($attachment_id <= 0) {
5229 - return '';
5230 - }
5231 - if (get_post_mime_type($attachment_id) !== 'application/pdf') {
5232 - return '';
5233 - }
5234 -
5235 - $pdf_path = get_attached_file($attachment_id);
5236 - if (empty($pdf_path) || !file_exists($pdf_path) || !is_readable($pdf_path)) {
5237 - return '';
5238 - }
5239 -
5240 - // Raw-file size cap. Parsing very large PDFs can OOM the request; skip with a log entry
5241 - // and let the rest of the ACF content land in the KB. Filterable for users who need it bigger.
5242 - $default_max_bytes = 25 * 1024 * 1024;
5243 - $max_bytes = (int) apply_filters('mxchat_acf_pdf_max_bytes', $default_max_bytes, $attachment_id, $pdf_path);
5244 - if ($max_bytes > 0) {
5245 - $file_size = @filesize($pdf_path);
5246 - if ($file_size !== false && $file_size > $max_bytes) {
5247 - error_log(sprintf(
5248 - '[mxchat] ACF PDF skipped (over size cap): attachment %d "%s" %d bytes > cap %d',
5249 - $attachment_id,
5250 - basename($pdf_path),
5251 - $file_size,
5252 - $max_bytes
5253 - ));
5254 - return '';
5255 - }
5256 - }
5257 -
5258 - $mtime = @filemtime($pdf_path);
5259 - $cache_meta_key = '_mxchat_acf_pdf_text_v1';
5260 - $cached = get_post_meta($attachment_id, $cache_meta_key, true);
5261 - if (is_array($cached) && isset($cached['mtime'], $cached['text']) && (int) $cached['mtime'] === (int) $mtime) {
5262 - return (string) $cached['text'];
5263 - }
5264 -
5265 - $text = '';
5266 - try {
5267 - if (function_exists('mxchat_load_pdf_parser')) {
5268 - mxchat_load_pdf_parser();
5269 - }
5270 - if (!class_exists('\\Smalot\\PdfParser\\Parser')) {
5271 - return '';
5272 - }
5273 - $parser = new \Smalot\PdfParser\Parser();
5274 - $pdf = $parser->parseFile($pdf_path);
5275 - $pages = $pdf->getPages();
5276 - $page_texts = array();
5277 - foreach ($pages as $page) {
5278 - $page_text = '';
5279 - try {
5280 - $page_text = $page->getText();
5281 - } catch (\Exception $e) {
5282 - $page_text = '';
5283 - }
5284 - if (!empty($page_text)) {
5285 - $page_texts[] = $page_text;
5286 - }
5287 - }
5288 - $text = trim(implode("\n\n", $page_texts));
5289 - } catch (\Exception $e) {
5290 - error_log('[mxchat] ACF PDF extraction failed for attachment ' . $attachment_id . ': ' . $e->getMessage());
5291 - return '';
5292 - } catch (\Throwable $e) {
5293 - error_log('[mxchat] ACF PDF extraction error for attachment ' . $attachment_id . ': ' . $e->getMessage());
5294 - return '';
5295 - }
5296 -
5297 - // Cap per-PDF text to avoid blowing up the embedding payload on enormous PDFs.
5298 - // The chunker downstream will still split this into multiple vectors.
5299 - $max_len = (int) apply_filters('mxchat_acf_pdf_text_max_length', 50000);
5300 - if ($max_len > 0 && strlen($text) > $max_len) {
5301 - $text = substr($text, 0, $max_len);
5302 - }
5303 -
5304 - update_post_meta($attachment_id, $cache_meta_key, array(
5305 - 'mtime' => (int) $mtime,
5306 - 'text' => $text,
5307 - ));
5308 -
5309 - return $text;
5310 -}
5311 -
5312 -/**
5313 - * Handle ACF save - fires after ACF fields are saved
5314 - * This ensures ACF field data is available when syncing to knowledge base
5315 - */
5316 -public function mxchat_handle_acf_save($post_id) {
5317 - // Skip if not a valid post
5318 - if (!$post_id || $post_id === 'options') {
5319 - return;
5320 - }
5321 -
5322 - // Skip autosaves and revisions
5323 - if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
5324 - return;
5325 - }
5326 -
5327 - $post = get_post($post_id);
5328 - if (!$post) {
5329 - return;
5330 - }
5331 -
5332 - $post_type = $post->post_type;
5333 -
5334 - // Check if sync is enabled for this post type
5335 - $should_sync = false;
5336 -
5337 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5338 - $should_sync = true;
5339 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5340 - $should_sync = true;
5341 - } else if ($post_type === 'product' && class_exists('WooCommerce')) {
5342 - // WooCommerce products - check if WooCommerce integration is enabled
5343 - $options = get_option('mxchat_options', array());
5344 - if (isset($options['enable_woocommerce_integration']) &&
5345 - ($options['enable_woocommerce_integration'] === '1' || $options['enable_woocommerce_integration'] === 'on')) {
5346 - $should_sync = true;
5347 - }
5348 - } else {
5349 - // Check custom post types
5350 - $option_name = 'mxchat_auto_sync_' . $post_type;
5351 - if (get_option($option_name) === '1') {
5352 - $should_sync = true;
5353 - }
5354 - }
5355 -
5356 - if (!$should_sync) {
5357 - return;
5358 - }
5359 -
5360 - // Only process published posts
5361 - if ($post->post_status !== 'publish') {
5362 - return;
5363 - }
5364 -
5365 - // Check if this post has any ACF fields - if not, no need to re-sync
5366 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
5367 - if (empty($acf_fields)) {
5368 - return;
5369 - }
5370 -
5371 - // Use a transient to prevent duplicate processing (post_updated may have already run)
5372 - $transient_key = 'mxchat_acf_synced_' . $post_id;
5373 - if (get_transient($transient_key)) {
5374 - return;
5375 - }
5376 - set_transient($transient_key, true, 60); // Prevent re-processing for 60 seconds
5377 -
5378 - // Re-run the sync with ACF data now available
5379 - // We pass $update=true since this is effectively an update with ACF data
5380 - $this->mxchat_handle_post_update($post_id, $post, true);
5381 -}
5382 -
5383 -public function mxchat_handle_post_update($post_id, $post, $update) {
5384 - // Basic validation checks
5385 - if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
5386 - return;
5387 - }
5388 -
5389 - $post_type = $post->post_type;
5390 -
5391 - // Check if sync is enabled for this post type
5392 - $should_sync = false;
5393 -
5394 - // Check built-in post types first
5395 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5396 - $should_sync = true;
5397 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5398 - $should_sync = true;
5399 - } else {
5400 - // Check custom post types
5401 - $option_name = 'mxchat_auto_sync_' . $post_type;
5402 - if (get_option($option_name) === '1') {
5403 - $should_sync = true;
5404 - }
5405 - }
5406 -
5407 - if (!$should_sync) {
5408 - return;
5409 - }
5410 -
5411 - // Check if we have stored the previous status and URL in our transients
5412 - $previous_status_key = 'mxchat_prev_status_' . $post_id;
5413 - $previous_status = get_transient($previous_status_key);
5414 -
5415 - $previous_url_key = 'mxchat_prev_url_' . $post_id;
5416 - $previous_url = get_transient($previous_url_key);
5417 -
5418 - // If the post was previously published but is now not published, remove from knowledge base
5419 - if ($previous_status === 'publish' && $post->post_status !== 'publish') {
5420 - // Use the stored URL from when it was published, or fall back to current permalink
5421 - $source_url = $previous_url ?: get_permalink($post_id);
5422 -
5423 - if ($source_url) {
5424 - // Chunk-aware deletion (routes to Pinecone or WP DB and removes base + all chunks)
5425 - MxChat_Utils::delete_chunks_for_url($source_url, 'default');
5426 - }
5427 -
5428 - // Clean up the transients and exit early
5429 - delete_transient($previous_status_key);
5430 - delete_transient($previous_url_key);
5431 - return;
5432 - }
5433 -
5434 - // Slug/permalink rename while still published: delete the old vectors before upserting new ones.
5435 - // Without this, md5(old_url) vectors (base + chunks) would be orphaned under the stale URL.
5436 - if ($post->post_status === 'publish' && !empty($previous_url)) {
5437 - $current_url = get_permalink($post_id);
5438 - if ($current_url && $current_url !== $previous_url) {
5439 - MxChat_Utils::delete_chunks_for_url($previous_url, 'default');
5440 - }
5441 - }
5442 -
5443 - // Store the current status for next time (if this is an update)
5444 - if ($update) {
5445 - set_transient($previous_status_key, $post->post_status, DAY_IN_SECONDS);
5446 -
5447 - // If the post is currently published, also store its URL
5448 - if ($post->post_status === 'publish') {
5449 - $current_url = get_permalink($post_id);
5450 - set_transient($previous_url_key, $current_url, DAY_IN_SECONDS);
5451 - }
5452 - }
5453 -
5454 - // Only process currently published content for adding/updating
5455 - if ($post->post_status === 'publish') {
5456 - // Get the source URL
5457 - $source_url = get_permalink($post_id);
5458 -
5459 - // Get content with proper formatting (matching ajax_mxchat_process_selected_content)
5460 - $title = get_the_title($post_id);
5461 - $content = get_post_field('post_content', $post_id);
5462 - $excerpt = get_post_field('post_excerpt', $post_id);
5463 -
5464 - // Remove shortcode tags but preserve content inside them
5465 - $content = $this->strip_shortcode_tags_preserve_content($content);
5466 - $excerpt = $this->strip_shortcode_tags_preserve_content($excerpt);
5467 -
5468 - // Strip tags but preserve structure (don't use 'the_content' filter as it may re-add shortcodes)
5469 - $content = wp_strip_all_tags($content);
5470 -
5471 - // Combine title, short description (if exists), and content
5472 - $final_content = $title . "\n\n";
5473 -
5474 - // Add short description if it exists (WooCommerce products use post_excerpt for short description)
5475 - if (!empty($excerpt)) {
5476 - $final_content .= "Short Description: " . wp_strip_all_tags($excerpt) . "\n\n";
5477 - }
5478 -
5479 - $final_content .= $content;
5480 -
5481 - // For WooCommerce products, include pricing and product details
5482 - if ($post_type === 'product' && class_exists('WooCommerce')) {
5483 - $product = wc_get_product($post_id);
5484 -
5485 - if ($product) {
5486 - // Get pricing information
5487 - $regular_price = $product->get_regular_price();
5488 - $sale_price = $product->get_sale_price();
5489 - $price = $product->get_price();
5490 - $sku = $product->get_sku();
5491 -
5492 - // Get currency symbol
5493 - $currency_symbol = get_woocommerce_currency_symbol();
5494 -
5495 - // Add pricing information
5496 - $final_content .= "\n";
5497 - if (!empty($regular_price)) {
5498 - $final_content .= "Price: " . $currency_symbol . $regular_price . "\n";
5499 - } elseif (!empty($price)) {
5500 - $final_content .= "Price: " . $currency_symbol . $price . "\n";
5501 - }
5502 -
5503 - if (!empty($sale_price) && $sale_price !== $regular_price) {
5504 - $final_content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
5505 - }
5506 -
5507 - // Handle variable products - show price range
5508 - if ($product->is_type('variable')) {
5509 - $min_price = $product->get_variation_price('min');
5510 - $max_price = $product->get_variation_price('max');
5511 - if ($min_price !== $max_price) {
5512 - $final_content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
5513 - }
5514 - }
5515 -
5516 - if (!empty($sku)) {
5517 - $final_content .= "SKU: " . $sku . "\n";
5518 - }
5519 -
5520 - // Get product categories
5521 - $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'names'));
5522 - if (!empty($categories) && !is_wp_error($categories)) {
5523 - $final_content .= "Categories: " . implode(', ', $categories) . "\n";
5524 - }
5525 - }
5526 - }
5527 -
5528 - // For custom post types like job_listing, include additional fields
5529 - if ($post_type === 'job_listing') {
5530 - // Add job-specific meta if available
5531 - $job_location = get_post_meta($post_id, '_job_location', true);
5532 - if (!empty($job_location)) {
5533 - $final_content .= "\n\nLocation: " . $job_location;
5534 - }
5535 -
5536 - // Get job type terms
5537 - $job_types = get_the_terms($post_id, 'job_listing_type');
5538 - if (!empty($job_types) && !is_wp_error($job_types)) {
5539 - $types = array();
5540 - foreach ($job_types as $type) {
5541 - $types[] = $type->name;
5542 - }
5543 - $final_content .= "\n\nJob Type: " . implode(', ', $types);
5544 - }
5545 -
5546 - // Get company name if available
5547 - $company_name = get_post_meta($post_id, '_company_name', true);
5548 - if (!empty($company_name)) {
5549 - $final_content .= "\n\nCompany: " . $company_name;
5550 - }
5551 - }
5552 -
5553 - // ADD ACF FIELDS SUPPORT (matches ajax_mxchat_process_selected_content behavior)
5554 - $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
5555 - if (!empty($acf_fields)) {
5556 - $acf_content_parts = array();
5557 - $pdf_attachment_ids = array();
5558 -
5559 - foreach ($acf_fields as $field_name => $field_value) {
5560 - $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
5561 - if (!empty($formatted_value)) {
5562 - // Convert field name to readable label
5563 - $field_label = ucwords(str_replace(['_', '-'], ' ', $field_name));
5564 - $acf_content_parts[] = $field_label . ": " . $formatted_value;
5565 - }
5566 -
5567 - $this->mxchat_collect_pdf_attachment_ids_from_acf_value($field_value, $pdf_attachment_ids);
5568 - }
5569 -
5570 - if (!empty($acf_content_parts)) {
5571 - $final_content .= "\n\n" . implode("\n", $acf_content_parts);
5572 - }
5573 -
5574 - // Gate the auto-sync PDF-extraction loop behind an opt-in option.
5575 - // Mirrors the per-batch checkbox the manual content selector has; the
5576 - // 25 MB size cap lives in the shared extractor so it applies in both
5577 - // paths regardless. Default OFF — re-parsing every ACF PDF on every
5578 - // editor save is expensive and most sites don't want it.
5579 - $autosync_extract_acf_pdfs = get_option('mxchat_auto_sync_acf_pdfs', '0') === '1';
5580 - if ($autosync_extract_acf_pdfs && !empty($pdf_attachment_ids)) {
5581 - $pdf_attachment_ids = array_unique(array_filter(array_map('intval', $pdf_attachment_ids)));
5582 - $pdf_sections = array();
5583 - foreach ($pdf_attachment_ids as $att_id) {
5584 - $pdf_text = $this->mxchat_extract_pdf_text_by_attachment_id($att_id);
5585 - if (!empty($pdf_text)) {
5586 - $pdf_title = get_the_title($att_id);
5587 - $pdf_url = wp_get_attachment_url($att_id);
5588 - $header = 'PDF Attachment';
5589 - if (!empty($pdf_title)) {
5590 - $header .= ': ' . $pdf_title;
5591 - }
5592 - if (!empty($pdf_url)) {
5593 - $header .= ' (' . $pdf_url . ')';
5594 - }
5595 - $pdf_sections[] = $header . "\n" . $pdf_text;
5596 - }
5597 - }
5598 - if (!empty($pdf_sections)) {
5599 - $final_content .= "\n\nAttached PDFs:\n" . implode("\n\n", $pdf_sections);
5600 - }
5601 - }
5602 - }
5603 -
5604 - // ADD CUSTOM POST META SUPPORT (whitelisted non-ACF meta fields)
5605 - $custom_meta = $this->mxchat_get_whitelisted_post_meta($post_id);
5606 - if (!empty($custom_meta)) {
5607 - $meta_content_parts = array();
5608 -
5609 - foreach ($custom_meta as $meta_key => $meta_value) {
5610 - // Convert meta key to readable label
5611 - $meta_label = ucwords(str_replace(array('_', '-'), ' ', $meta_key));
5612 - $meta_content_parts[] = $meta_label . ": " . $meta_value;
5613 - }
5614 -
5615 - if (!empty($meta_content_parts)) {
5616 - $final_content .= "\n\n" . implode("\n", $meta_content_parts);
5617 - }
5618 - }
5619 -
5620 - // Get API key with proper model detection
5621 - $options = get_option('mxchat_options');
5622 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
5623 -
5624 - if (strpos($selected_model, 'voyage') === 0) {
5625 - $api_key = $options['voyage_api_key'] ?? '';
5626 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
5627 - $api_key = $options['gemini_api_key'] ?? '';
5628 - } else {
5629 - $api_key = $options['api_key'] ?? '';
5630 - }
5631 -
5632 - if (empty($api_key)) {
5633 - return;
5634 - }
5635 -
5636 - // Use the centralized utility function for storage
5637 - $result = MxChat_Utils::submit_content_to_db(
5638 - $final_content,
5639 - $source_url,
5640 - $api_key,
5641 - md5($source_url) // Vector ID for Pinecone
5642 - );
5643 -
5644 - // After successful storage, apply role restriction based on tags
5645 - if (!is_wp_error($result)) {
5646 - $this->apply_role_restriction_to_post($post_id, $source_url);
5647 - }
5648 - }
5649 -
5650 - // Clean up the stored previous status if not used above
5651 - if ($previous_status !== 'publish' || $post->post_status === 'publish') {
5652 - delete_transient($previous_status_key);
5653 - delete_transient($previous_url_key);
5654 - }
5655 -}
5656 -
5657 -/**
5658 - * Store the post status and URL before update to detect status transitions
5659 - * This runs before the post is actually updated in the database
5660 - */
5661 -public function mxchat_store_pre_update_status($post_id, $data) {
5662 - // Get the current post from database (before update)
5663 - $current_post = get_post($post_id);
5664 -
5665 - if ($current_post) {
5666 - // Store the current status temporarily
5667 - $status_key = 'mxchat_prev_status_' . $post_id;
5668 - set_transient($status_key, $current_post->post_status, HOUR_IN_SECONDS);
5669 -
5670 - // If the post is currently published, also store its URL
5671 - if ($current_post->post_status === 'publish') {
5672 - $url_key = 'mxchat_prev_url_' . $post_id;
5673 - $current_url = get_permalink($post_id);
5674 - set_transient($url_key, $current_url, HOUR_IN_SECONDS);
5675 - }
5676 - }
5677 -}
5678 -
5679 -public function mxchat_handle_post_delete($post_id) {
5680 - // Get post data before it's deleted
5681 - $post = get_post($post_id);
5682 -
5683 - // Basic validation
5684 - if (!$post || wp_is_post_revision($post_id)) {
5685 - return;
5686 - }
5687 -
5688 - $post_type = $post->post_type;
5689 -
5690 - // Check if sync is enabled for this post type
5691 - $should_sync = false;
5692 -
5693 - // Check built-in post types first
5694 - if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
5695 - $should_sync = true;
5696 - } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
5697 - $should_sync = true;
5698 - } else {
5699 - // Check custom post types
5700 - $option_name = 'mxchat_auto_sync_' . $post_type;
5701 - if (get_option($option_name) === '1') {
5702 - $should_sync = true;
5703 - }
5704 - }
5705 -
5706 - if (!$should_sync) {
5707 - return;
5708 - }
5709 -
5710 - // Resolve the pre-trash URL. wp_trash_post renames the slug with "__trashed" before firing
5711 - // this hook, so get_permalink() here would return the trashed URL and md5() would miss the
5712 - // real vector IDs stored under the original URL.
5713 - $source_url = $this->mxchat_resolve_pre_trash_url($post_id);
5714 - if (!$source_url) {
5715 - //error_log('MXChat: Failed to resolve source URL for post ' . $post_id);
5716 - return;
5717 - }
5718 -
5719 - // Use chunk-aware deletion (handles both chunked and non-chunked content)
5720 - $delete_result = MxChat_Utils::delete_chunks_for_url($source_url, 'default');
5721 -
5722 - if (is_wp_error($delete_result)) {
5723 - //error_log('MXChat: Chunk-aware deletion failed for URL: ' . $source_url . ' - ' . $delete_result->get_error_message());
5724 - }
5725 -
5726 - delete_transient('mxchat_prev_url_' . $post_id);
5727 - delete_transient('mxchat_prev_status_' . $post_id);
5728 -}
5729 -
5730 -/**
5731 - * Resolve the source URL for a post being trashed/deleted.
5732 - *
5733 - * Why: wp_trash_post appends "__trashed" to the slug before the wp_trash_post action fires, so
5734 - * get_permalink() returns a URL whose md5() won't match the vector IDs stored in Pinecone or
5735 - * the source_url rows in the WP DB. Prefer the URL captured by mxchat_store_pre_update_status
5736 - * (runs on pre_post_update, before the rename); fall back to stripping the __trashed suffix.
5737 - */
5738 -private function mxchat_resolve_pre_trash_url($post_id) {
5739 - $previous_url = get_transient('mxchat_prev_url_' . $post_id);
5740 - if (!empty($previous_url)) {
5741 - return $previous_url;
5742 - }
5743 -
5744 - $current = get_permalink($post_id);
5745 - if (!$current) {
5746 - return '';
5747 - }
5748 - return preg_replace('#__trashed(/?)$#', '$1', $current);
5749 -}
5750 -
5751 -
5752 -
5753 -public function mxchat_handle_product_change($post_id, $post, $update) {
5754 - if ($post->post_type !== 'product') {
5755 - return;
5756 - }
5757 -
5758 - if ($post->post_status === 'publish') {
5759 - add_action('shutdown', function() use ($post_id) {
5760 - $product = wc_get_product($post_id);
5761 - if ($product) {
5762 - $this->mxchat_store_product_embedding($product);
5763 - }
5764 - });
5765 - }
5766 -}
5767 -
5768 -/**
5769 - * Store WooCommerce product embeddings
5770 - */
5771 -private function mxchat_store_product_embedding($product) {
5772 - if (!isset($this->options['enable_woocommerce_integration']) ||
5773 - !in_array($this->options['enable_woocommerce_integration'], ['1', 'on'])) {
5774 - return;
5775 - }
5776 -
5777 - $source_url = get_permalink($product->get_id());
5778 - $product_id = $product->get_id();
5779 -
5780 - // Build product content
5781 - $title = $product->get_name();
5782 - $description = $product->get_description();
5783 - $short_description = $product->get_short_description();
5784 - $regular_price = $product->get_regular_price();
5785 - $sale_price = $product->get_sale_price();
5786 - $price = $product->get_price();
5787 - $sku = $product->get_sku();
5788 -
5789 - // Get currency symbol
5790 - $currency_symbol = get_woocommerce_currency_symbol();
5791 -
5792 - // Format content consistently
5793 - $content = $title . "\n\n";
5794 -
5795 - if (!empty($short_description)) {
5796 - $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
5797 - }
5798 -
5799 - if (!empty($description)) {
5800 - $content .= wp_strip_all_tags($description) . "\n\n";
5801 - }
5802 -
5803 - // Add pricing information
5804 - if (!empty($regular_price)) {
5805 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
5806 - } elseif (!empty($price)) {
5807 - $content .= "Price: " . $currency_symbol . $price . "\n";
5808 - }
5809 -
5810 - if (!empty($sale_price) && $sale_price !== $regular_price) {
5811 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
5812 - }
5813 -
5814 - // Handle variable products - show price range
5815 - if ($product->is_type('variable')) {
5816 - $min_price = $product->get_variation_price('min');
5817 - $max_price = $product->get_variation_price('max');
5818 - if ($min_price !== $max_price) {
5819 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
5820 - }
5821 - }
5822 -
5823 - if (!empty($sku)) {
5824 - $content .= "SKU: " . $sku . "\n";
5825 - }
5826 -
5827 - // Get product categories
5828 - $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
5829 - if (!empty($categories) && !is_wp_error($categories)) {
5830 - $content .= "Categories: " . implode(', ', $categories) . "\n";
5831 - }
5832 -
5833 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
5834 - $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
5835 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
5836 - foreach ($custom_tabs as $tab) {
5837 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
5838 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
5839 -
5840 - if (!empty($tab_title) && !empty($tab_content)) {
5841 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
5842 - }
5843 - }
5844 - }
5845 -
5846 - // Also check for reusable/saved tabs applied to this product
5847 - $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
5848 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
5849 - // Get the saved tabs option
5850 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
5851 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
5852 - foreach ($applied_saved_tabs as $saved_tab_id) {
5853 - if (isset($saved_tabs[$saved_tab_id])) {
5854 - $tab = $saved_tabs[$saved_tab_id];
5855 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
5856 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
5857 -
5858 - if (!empty($tab_title) && !empty($tab_content)) {
5859 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
5860 - }
5861 - }
5862 - }
5863 - }
5864 - }
5865 -
5866 - // Get API key with proper model detection
5867 - $options = get_option('mxchat_options');
5868 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
5869 -
5870 - if (strpos($selected_model, 'voyage') === 0) {
5871 - $api_key = $options['voyage_api_key'] ?? '';
5872 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
5873 - $api_key = $options['gemini_api_key'] ?? '';
5874 - } else {
5875 - $api_key = $options['api_key'] ?? '';
5876 - }
5877 -
5878 - if (empty($api_key)) {
5879 - //error_log('MxChat Auto-sync: No API key configured for embedding model');
5880 - return;
5881 - }
5882 -
5883 - // Use the centralized utility function for storage
5884 - $result = MxChat_Utils::submit_content_to_db(
5885 - $content,
5886 - $source_url,
5887 - $api_key,
5888 - md5($source_url) // Vector ID for Pinecone
5889 - );
5890 -
5891 - // After successful storage, apply role restriction based on tags
5892 - if (!is_wp_error($result)) {
5893 - $this->apply_role_restriction_to_post($product_id, $source_url);
5894 - }
5895 -
5896 - if (is_wp_error($result)) {
5897 - //error_log('MxChat WooCommerce sync failed for product ' . $product_id . ': ' . $result->get_error_message());
5898 - }
5899 -}
5900 -
5901 -public function mxchat_handle_product_delete($post_id) {
5902 - if (get_post_type($post_id) !== 'product') {
5903 - return;
5904 - }
5905 -
5906 - $source_url = $this->mxchat_resolve_pre_trash_url($post_id);
5907 - if (!$source_url) {
5908 - return;
5909 - }
5910 -
5911 - // Chunk-aware deletion (routes to Pinecone or WP DB and removes base + all chunks)
5912 - MxChat_Utils::delete_chunks_for_url($source_url, 'default');
5913 -
5914 - delete_transient('mxchat_prev_url_' . $post_id);
5915 - delete_transient('mxchat_prev_status_' . $post_id);
5916 -}
5917 -
5918 -/**
5919 - * Handle individual Pinecone content deletion
5920 - */
5921 -public function mxchat_handle_pinecone_prompt_delete() {
5922 - // Check permissions
5923 - if (!current_user_can('manage_options')) {
5924 - wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
5925 - }
5926 -
5927 - // Verify nonce
5928 - if (!isset($_GET['_wpnonce']) || !wp_verify_nonce($_GET['_wpnonce'], 'mxchat_delete_pinecone_prompt_nonce')) {
5929 - wp_die(esc_html__('Security check failed.', 'mxchat'));
5930 - }
5931 -
5932 - $vector_id = isset($_GET['vector_id']) ? sanitize_text_field($_GET['vector_id']) : '';
5933 -
5934 - if (empty($vector_id)) {
5935 - set_transient('mxchat_admin_notice_error',
5936 - esc_html__('Invalid vector ID.', 'mxchat'),
5937 - 30
5938 - );
5939 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
5940 - exit;
5941 - }
5942 -
5943 - // Get Pinecone settings
5944 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
5945 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
5946 -
5947 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
5948 - set_transient('mxchat_admin_notice_error',
5949 - esc_html__('Pinecone is not properly configured.', 'mxchat'),
5950 - 30
5951 - );
5952 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
5953 - exit;
5954 - }
5955 -
5956 - // Delete from Pinecone
5957 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
5958 - $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
5959 - $vector_id,
5960 - $pinecone_options['mxchat_pinecone_api_key'],
5961 - $pinecone_options['mxchat_pinecone_host']
5962 - );
5963 -
5964 - if ($result['success']) {
5965 - // No cache clearing needed since we removed caching
5966 - set_transient('mxchat_admin_notice_success',
5967 - esc_html__('Entry deleted successfully from Pinecone.', 'mxchat'),
5968 - 30
5969 - );
5970 - } else {
5971 - set_transient('mxchat_admin_notice_error',
5972 - esc_html__('Failed to delete entry: ', 'mxchat') . $result['message'],
5973 - 30
5974 - );
5975 - }
5976 -
5977 - wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
5978 - exit;
5979 -}
5980 -/**
5981 - * Handle individual Pinecone content deletion via AJAX
5982 - */
5983 -public function ajax_mxchat_delete_pinecone_prompt() {
5984 - // Verify nonce and permissions
5985 - if (!check_ajax_referer('mxchat_delete_pinecone_prompt_nonce', 'nonce', false)) {
5986 - wp_send_json_error('Invalid nonce');
5987 - exit;
5988 - }
5989 -
5990 - if (!current_user_can('manage_options')) {
5991 - wp_send_json_error('Unauthorized access');
5992 - exit;
5993 - }
5994 -
5995 - $vector_id = isset($_POST['vector_id']) ? sanitize_text_field($_POST['vector_id']) : '';
5996 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
5997 -
5998 - if (empty($vector_id)) {
5999 - wp_send_json_error('Missing vector ID');
6000 - exit;
6001 - }
6002 -
6003 - // Get bot-specific Pinecone settings
6004 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6005 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6006 -
6007 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6008 -
6009 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6010 - wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
6011 - exit;
6012 - }
6013 -
6014 - // Delete from the correct Pinecone index
6015 - $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
6016 - $vector_id,
6017 - $pinecone_options['mxchat_pinecone_api_key'],
6018 - $pinecone_options['mxchat_pinecone_host']
6019 - );
6020 -
6021 - if ($result['success']) {
6022 - // No cache clearing needed since we removed caching
6023 - wp_send_json_success(array(
6024 - 'message' => 'Entry deleted successfully from Pinecone',
6025 - 'vector_id' => $vector_id,
6026 - 'bot_id' => $bot_id
6027 - ));
6028 - } else {
6029 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Failed to delete from Pinecone: ' . $result['message'], array('vector_id' => $vector_id, 'bot_id' => $bot_id));
6030 - wp_send_json_error('Failed to delete from Pinecone: ' . $result['message']);
6031 - }
6032 -
6033 - exit;
6034 -}
6035 -
6036 -/**
6037 - * Handle deletion of all chunks for a given source URL via AJAX
6038 - * Follows the same pattern as ajax_mxchat_delete_pinecone_prompt
6039 - */
6040 -public function ajax_mxchat_delete_chunks_by_url() {
6041 - // Verify nonce and permissions
6042 - if (!check_ajax_referer('mxchat_delete_chunks_nonce', 'nonce', false)) {
6043 - wp_send_json_error('Invalid nonce');
6044 - exit;
6045 - }
6046 -
6047 - if (!current_user_can('manage_options')) {
6048 - wp_send_json_error('Unauthorized access');
6049 - exit;
6050 - }
6051 -
6052 - $source_url = isset($_POST['source_url']) ? esc_url_raw($_POST['source_url']) : '';
6053 - $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
6054 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6055 -
6056 - if (empty($source_url)) {
6057 - wp_send_json_error('Missing source URL');
6058 - exit;
6059 - }
6060 -
6061 - // Generate the base vector ID from the source URL (same as how chunks are created)
6062 - $base_vector_id = md5($source_url);
6063 -
6064 - if ($data_source === 'pinecone') {
6065 - // Get bot-specific Pinecone settings (same as working delete function)
6066 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6067 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6068 -
6069 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6070 -
6071 - if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
6072 - wp_send_json_error('Pinecone is not properly configured for bot: ' . $bot_id);
6073 - exit;
6074 - }
6075 -
6076 - $api_key = $pinecone_options['mxchat_pinecone_api_key'];
6077 - $host = $pinecone_options['mxchat_pinecone_host'];
6078 - $namespace = $pinecone_options['mxchat_pinecone_namespace'] ?? '';
6079 -
6080 - // Collect all vector IDs to delete
6081 - $vectors_to_delete = array();
6082 -
6083 - // Add the original single-vector ID (for non-chunked content)
6084 - $vectors_to_delete[] = $base_vector_id;
6085 -
6086 - // Use Pinecone list API to find all chunk vectors with this prefix
6087 - // NOTE: Pinecone List API is a GET request with query parameters, not POST
6088 - $prefix = $base_vector_id . '_chunk_';
6089 -
6090 - $query_params = array(
6091 - 'prefix' => $prefix,
6092 - 'limit' => 100
6093 - );
6094 -
6095 - if (!empty($namespace)) {
6096 - $query_params['namespace'] = $namespace;
6097 - }
6098 -
6099 - $list_url = "https://{$host}/vectors/list?" . http_build_query($query_params);
6100 -
6101 - $list_response = wp_remote_get($list_url, array(
6102 - 'headers' => array(
6103 - 'Api-Key' => $api_key,
6104 - 'accept' => 'application/json'
6105 - ),
6106 - 'timeout' => 30
6107 - ));
6108 -
6109 - if (!is_wp_error($list_response)) {
6110 - $list_body_response = wp_remote_retrieve_body($list_response);
6111 - $list_data = json_decode($list_body_response, true);
6112 - if (!empty($list_data['vectors'])) {
6113 - foreach ($list_data['vectors'] as $vector) {
6114 - if (isset($vector['id'])) {
6115 - $vectors_to_delete[] = $vector['id'];
6116 - }
6117 - }
6118 - }
6119 - }
6120 -
6121 - if (empty($vectors_to_delete)) {
6122 - wp_send_json_success(array(
6123 - 'message' => 'No vectors found to delete',
6124 - 'source_url' => $source_url
6125 - ));
6126 - exit;
6127 - }
6128 -
6129 - // Delete all vectors using the same endpoint as the working function
6130 - $delete_url = "https://{$host}/vectors/delete";
6131 -
6132 - $delete_body = array(
6133 - 'ids' => $vectors_to_delete
6134 - );
6135 -
6136 - if (!empty($namespace)) {
6137 - $delete_body['namespace'] = $namespace;
6138 - }
6139 -
6140 - $delete_response = wp_remote_post($delete_url, array(
6141 - 'headers' => array(
6142 - 'Api-Key' => $api_key,
6143 - 'accept' => 'application/json',
6144 - 'content-type' => 'application/json'
6145 - ),
6146 - 'body' => wp_json_encode($delete_body),
6147 - 'timeout' => 30
6148 - ));
6149 -
6150 - if (is_wp_error($delete_response)) {
6151 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Failed to delete chunks from Pinecone: ' . $delete_response->get_error_message(), array('source_url' => $source_url));
6152 - wp_send_json_error('Failed to delete from Pinecone: ' . $delete_response->get_error_message());
6153 - exit;
6154 - }
6155 -
6156 - $response_code = wp_remote_retrieve_response_code($delete_response);
6157 -
6158 - if ($response_code !== 200) {
6159 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Pinecone API error (HTTP ' . $response_code . ')', array('source_url' => $source_url));
6160 - wp_send_json_error('Pinecone API error (HTTP ' . $response_code . ')');
6161 - exit;
6162 - }
6163 -
6164 - wp_send_json_success(array(
6165 - 'message' => 'All chunks deleted successfully from Pinecone',
6166 - 'source_url' => $source_url,
6167 - 'deleted_count' => count($vectors_to_delete)
6168 - ));
6169 -
6170 - } else {
6171 - // WordPress database deletion
6172 - global $wpdb;
6173 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6174 -
6175 - $result = $wpdb->delete(
6176 - $table_name,
6177 - array('source_url' => $source_url),
6178 - array('%s')
6179 - );
6180 -
6181 - if ($result === false) {
6182 - MxChat_Admin::mxchat_log_debug('database_error', 'Failed to delete from database: ' . $wpdb->last_error, array('source_url' => $source_url));
6183 - wp_send_json_error('Failed to delete from database: ' . $wpdb->last_error);
6184 - exit;
6185 - }
6186 -
6187 - wp_send_json_success(array(
6188 - 'message' => 'All chunks deleted successfully from database',
6189 - 'source_url' => $source_url,
6190 - 'deleted_count' => $result
6191 - ));
6192 - }
6193 -
6194 - exit;
6195 -}
6196 -
6197 -/**
6198 - * Handle individual WordPress database content deletion via AJAX
6199 - * Mirrors the Pinecone delete handler but for WordPress database entries
6200 - */
6201 -public function ajax_mxchat_delete_wordpress_prompt() {
6202 - // Verify nonce and permissions
6203 - if (!check_ajax_referer('mxchat_delete_wordpress_prompt_nonce', 'nonce', false)) {
6204 - wp_send_json_error('Invalid nonce');
6205 - exit;
6206 - }
6207 -
6208 - if (!current_user_can('manage_options')) {
6209 - wp_send_json_error('Unauthorized access');
6210 - exit;
6211 - }
6212 -
6213 - $entry_id = isset($_POST['entry_id']) ? intval($_POST['entry_id']) : 0;
6214 -
6215 - if (empty($entry_id)) {
6216 - wp_send_json_error('Missing entry ID');
6217 - exit;
6218 - }
6219 -
6220 - global $wpdb;
6221 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6222 -
6223 - // Clear cache for this entry
6224 - wp_cache_delete('prompt_' . $entry_id, 'mxchat_prompts');
6225 -
6226 - // Delete from database
6227 - $result = $wpdb->delete(
6228 - $table_name,
6229 - array('id' => $entry_id),
6230 - array('%d')
6231 - );
6232 -
6233 - if ($result !== false) {
6234 - wp_send_json_success(array(
6235 - 'message' => 'Entry deleted successfully',
6236 - 'entry_id' => $entry_id
6237 - ));
6238 - } else {
6239 - wp_send_json_error('Failed to delete entry from database');
6240 - }
6241 -
6242 - exit;
6243 -}
6244 -
6245 -/**
6246 - * Handle bulk deletion of knowledge entries via AJAX
6247 - * Supports both Pinecone and WordPress database entries
6248 - */
6249 -public function ajax_mxchat_bulk_delete_knowledge() {
6250 - // Verify nonce and permissions
6251 - if (!check_ajax_referer('mxchat_bulk_delete_knowledge_nonce', 'nonce', false)) {
6252 - wp_send_json_error('Invalid nonce');
6253 - exit;
6254 - }
6255 -
6256 - if (!current_user_can('manage_options')) {
6257 - wp_send_json_error('Unauthorized access');
6258 - exit;
6259 - }
6260 -
6261 - $entries = isset($_POST['entries']) ? $_POST['entries'] : array();
6262 - $bot_id = isset($_POST['bot_id']) ? sanitize_text_field($_POST['bot_id']) : 'default';
6263 -
6264 - if (empty($entries) || !is_array($entries)) {
6265 - wp_send_json_error('No entries provided');
6266 - exit;
6267 - }
6268 -
6269 - // Extend execution time — bulk Pinecone operations can take a while
6270 - if (function_exists('set_time_limit')) {
6271 - set_time_limit(120);
6272 - }
6273 -
6274 - $success_ids = array();
6275 - $failed_ids = array();
6276 - $errors = array();
6277 -
6278 - global $wpdb;
6279 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6280 -
6281 - // Get Pinecone manager for Pinecone deletions
6282 - $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
6283 - $pinecone_options = $pinecone_manager->mxchat_get_bot_pinecone_options($bot_id);
6284 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6285 -
6286 - $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
6287 - $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
6288 -
6289 - // =============================================
6290 - // PHASE 1: Collect all Pinecone vector IDs
6291 - // and separate WordPress entries
6292 - // =============================================
6293 - $pinecone_entry_ids = array(); // entry IDs that are pinecone-sourced
6294 - $wordpress_entries = array(); // entries for WordPress DB deletion
6295 - $all_vector_ids = array(); // all pinecone vector IDs to delete in one batch
6296 -
6297 - foreach ($entries as $entry) {
6298 - $entry_id = sanitize_text_field($entry['id'] ?? '');
6299 - $source = sanitize_text_field($entry['source'] ?? 'wordpress');
6300 - $source_url = isset($entry['sourceUrl']) ? esc_url_raw($entry['sourceUrl']) : '';
6301 - $is_group = isset($entry['isGroup']) && ($entry['isGroup'] === true || $entry['isGroup'] === 'true');
6302 -
6303 - if (empty($entry_id)) {
6304 - continue;
6305 - }
6306 -
6307 - if ($source === 'pinecone') {
6308 - if (!$use_pinecone || empty($api_key)) {
6309 - $failed_ids[] = $entry_id;
6310 - $errors[] = "Pinecone not configured for entry: $entry_id";
6311 - continue;
6312 - }
6313 -
6314 - $pinecone_entry_ids[] = $entry_id;
6315 -
6316 - if ($is_group && !empty($source_url)) {
6317 - // Grouped/chunked entry: collect base ID + chunk IDs via List API
6318 - $base_vector_id = md5($source_url);
6319 - $all_vector_ids[] = $base_vector_id;
6320 -
6321 - $list_url = 'https://' . $host . '/vectors/list?prefix=' . urlencode($base_vector_id . '_chunk_') . '&limit=100';
6322 - $list_response = wp_remote_get($list_url, array(
6323 - 'headers' => array(
6324 - 'Api-Key' => $api_key,
6325 - 'accept' => 'application/json'
6326 - ),
6327 - 'timeout' => 30
6328 - ));
6329 -
6330 - if (!is_wp_error($list_response)) {
6331 - $list_body = json_decode(wp_remote_retrieve_body($list_response), true);
6332 - if (!empty($list_body['vectors']) && is_array($list_body['vectors'])) {
6333 - foreach ($list_body['vectors'] as $vector) {
6334 - if (isset($vector['id'])) {
6335 - $all_vector_ids[] = $vector['id'];
6336 - }
6337 - }
6338 - }
6339 - }
6340 - } else {
6341 - // Single entry: the entry_id IS the vector ID
6342 - $all_vector_ids[] = $entry_id;
6343 - }
6344 - } else {
6345 - $wordpress_entries[] = $entry;
6346 - }
6347 - }
6348 -
6349 - // =============================================
6350 - // PHASE 2: Single batch delete to Pinecone
6351 - // =============================================
6352 - if (!empty($all_vector_ids)) {
6353 - $all_vector_ids = array_values(array_unique($all_vector_ids));
6354 - $pinecone_success = true;
6355 - $batches = array_chunk($all_vector_ids, 100);
6356 -
6357 - foreach ($batches as $batch) {
6358 - $delete_response = wp_remote_post("https://{$host}/vectors/delete", array(
6359 - 'headers' => array(
6360 - 'Api-Key' => $api_key,
6361 - 'accept' => 'application/json',
6362 - 'content-type' => 'application/json'
6363 - ),
6364 - 'body' => wp_json_encode(array('ids' => $batch)),
6365 - 'timeout' => 60
6366 - ));
6367 -
6368 - if (is_wp_error($delete_response)) {
6369 - $pinecone_success = false;
6370 - $errors[] = 'Pinecone batch deletion failed: ' . $delete_response->get_error_message();
6371 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Bulk delete batch failed: ' . $delete_response->get_error_message());
6372 - } else {
6373 - $response_code = wp_remote_retrieve_response_code($delete_response);
6374 - if ($response_code !== 200) {
6375 - $pinecone_success = false;
6376 - $response_body = wp_remote_retrieve_body($delete_response);
6377 - $errors[] = "Pinecone API error (HTTP $response_code)";
6378 - MxChat_Admin::mxchat_log_debug('pinecone_error', 'Bulk delete batch failed (HTTP ' . $response_code . ')', array('response' => substr($response_body, 0, 200)));
6379 - }
6380 - }
6381 - }
6382 -
6383 - // Mark all pinecone entries based on batch result
6384 - foreach ($pinecone_entry_ids as $eid) {
6385 - if ($pinecone_success) {
6386 - $success_ids[] = $eid;
6387 - } else {
6388 - $failed_ids[] = $eid;
6389 - }
6390 - }
6391 - }
6392 -
6393 - // =============================================
6394 - // PHASE 3: WordPress database deletions
6395 - // =============================================
6396 - foreach ($wordpress_entries as $entry) {
6397 - $entry_id = sanitize_text_field($entry['id'] ?? '');
6398 - $source_url = isset($entry['sourceUrl']) ? esc_url_raw($entry['sourceUrl']) : '';
6399 - $is_group = isset($entry['isGroup']) && ($entry['isGroup'] === true || $entry['isGroup'] === 'true');
6400 -
6401 - if (empty($entry_id)) {
6402 - continue;
6403 - }
6404 -
6405 - try {
6406 - if ($is_group && !empty($source_url)) {
6407 - $result = $wpdb->delete(
6408 - $table_name,
6409 - array('source_url' => $source_url),
6410 - array('%s')
6411 - );
6412 - } else {
6413 - wp_cache_delete('prompt_' . $entry_id, 'mxchat_prompts');
6414 - $result = $wpdb->delete(
6415 - $table_name,
6416 - array('id' => intval($entry_id)),
6417 - array('%d')
6418 - );
6419 - }
6420 -
6421 - if ($result !== false) {
6422 - $success_ids[] = $entry_id;
6423 - } else {
6424 - $failed_ids[] = $entry_id;
6425 - $errors[] = "Database error for entry: $entry_id";
6426 - }
6427 - } catch (Exception $e) {
6428 - $failed_ids[] = $entry_id;
6429 - $errors[] = $e->getMessage();
6430 - }
6431 - }
6432 -
6433 - wp_send_json_success(array(
6434 - 'success_ids' => $success_ids,
6435 - 'failed_ids' => $failed_ids,
6436 - 'errors' => $errors,
6437 - 'total_processed' => count($success_ids) + count($failed_ids)
6438 - ));
6439 -
6440 - exit;
6441 -}
6442 -
6443 -/**
6444 - * Get hierarchical roles for dropdown
6445 - */
6446 -public function mxchat_get_role_options() {
6447 - return array(
6448 - 'public' => __('Public (Everyone)', 'mxchat'),
6449 - 'logged_in' => __('Logged In Users', 'mxchat'),
6450 - 'subscriber' => __('Subscribers & Above', 'mxchat'),
6451 - 'contributor' => __('Contributors & Above', 'mxchat'),
6452 - 'author' => __('Authors & Above', 'mxchat'),
6453 - 'editor' => __('Editors & Above', 'mxchat'),
6454 - 'administrator' => __('Administrators Only', 'mxchat')
6455 - );
6456 -}
6457 -
6458 -/**
6459 - * Check if user has access to content based on role restriction
6460 - */
6461 -public function mxchat_user_has_content_access($role_restriction) {
6462 - // Public content is always accessible
6463 - if ($role_restriction === 'public' || empty($role_restriction)) {
6464 - return true;
6465 - }
6466 -
6467 - // Check if user is logged in for logged_in restriction
6468 - if ($role_restriction === 'logged_in') {
6469 - return is_user_logged_in();
6470 - }
6471 -
6472 - // If not logged in, no access to role-restricted content
6473 - if (!is_user_logged_in()) {
6474 - return false;
6475 - }
6476 -
6477 - $user = wp_get_current_user();
6478 - $user_roles = $user->roles;
6479 -
6480 - if (empty($user_roles)) {
6481 - return false;
6482 - }
6483 -
6484 - // Define role hierarchy (higher number = higher access)
6485 - $hierarchy = array(
6486 - 'subscriber' => 1,
6487 - 'contributor' => 2,
6488 - 'author' => 3,
6489 - 'editor' => 4,
6490 - 'administrator' => 5
6491 - );
6492 -
6493 - // Get required level
6494 - $required_level = isset($hierarchy[$role_restriction]) ? $hierarchy[$role_restriction] : 0;
6495 -
6496 - // Check if user has required level or higher
6497 - foreach ($user_roles as $user_role) {
6498 - $user_level = isset($hierarchy[$user_role]) ? $hierarchy[$user_role] : 0;
6499 - if ($user_level >= $required_level) {
6500 - return true;
6501 - }
6502 - }
6503 -
6504 - return false;
6505 -}
6506 -
6507 -/**
6508 - * Handle role restriction updates via AJAX
6509 - * Removed cache clearing call since we removed caching
6510 - */
6511 -public function ajax_mxchat_update_role_restriction() {
6512 - // Verify nonce and permissions
6513 - if (!check_ajax_referer('mxchat_update_role_nonce', 'nonce', false)) {
6514 - wp_send_json_error('Invalid nonce');
6515 - exit;
6516 - }
6517 -
6518 - if (!current_user_can('manage_options')) {
6519 - wp_send_json_error('Unauthorized access');
6520 - exit;
6521 - }
6522 -
6523 - $entry_id = isset($_POST['entry_id']) ? sanitize_text_field($_POST['entry_id']) : '';
6524 - $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
6525 - $data_source = isset($_POST['data_source']) ? sanitize_text_field($_POST['data_source']) : 'wordpress';
6526 -
6527 - if (empty($entry_id)) {
6528 - wp_send_json_error('Invalid entry ID');
6529 - exit;
6530 - }
6531 -
6532 - // Get knowledge manager instance to validate role restriction
6533 - $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
6534 - $valid_roles = array_keys($knowledge_manager->mxchat_get_role_options());
6535 - if (!in_array($role_restriction, $valid_roles)) {
6536 - wp_send_json_error('Invalid role restriction');
6537 - exit;
6538 - }
6539 -
6540 - global $wpdb;
6541 -
6542 - if ($data_source === 'pinecone') {
6543 - // Handle Pinecone role restriction (stored separately in WordPress table)
6544 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
6545 -
6546 - // Use REPLACE to insert or update the role restriction
6547 - $result = $wpdb->replace(
6548 - $roles_table,
6549 - array(
6550 - 'vector_id' => $entry_id,
6551 - 'role_restriction' => $role_restriction,
6552 - 'updated_at' => current_time('mysql')
6553 - ),
6554 - array('%s', '%s', '%s')
6555 - );
6556 -
6557 - // No cache clearing needed since we removed caching
6558 -
6559 - } else {
6560 - // Handle WordPress database role restriction (existing functionality)
6561 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6562 -
6563 - $result = $wpdb->update(
6564 - $table_name,
6565 - array('role_restriction' => $role_restriction),
6566 - array('id' => absint($entry_id)),
6567 - array('%s'),
6568 - array('%d')
6569 - );
6570 - }
6571 -
6572 - if ($result === false) {
6573 - wp_send_json_error('Database update failed: ' . $wpdb->last_error);
6574 - exit;
6575 - }
6576 -
6577 - wp_send_json_success(array(
6578 - 'message' => 'Role restriction updated successfully',
6579 - 'role_restriction' => $role_restriction,
6580 - 'data_source' => $data_source,
6581 - 'entry_id' => $entry_id
6582 - ));
6583 - exit;
6584 -}
6585 -
6586 -// ========================================
6587 -// ROLE-BASED CONTENT RESTRICTIONS - NEW FUNCTIONS
6588 -// Add these to your MxChat_Knowledge_Manager class
6589 -// ========================================
6590 -
6591 -/**
6592 - * Initialize role-based content hooks
6593 - * Add this call to your __construct() or mxchat_init_hooks() method
6594 - */
6595 -private function mxchat_init_role_hooks() {
6596 - // AJAX handlers for tag-role mappings
6597 - add_action('wp_ajax_mxchat_add_tag_role_mapping', array($this, 'ajax_add_tag_role_mapping'));
6598 - add_action('wp_ajax_mxchat_delete_tag_role_mapping', array($this, 'ajax_delete_tag_role_mapping'));
6599 - add_action('wp_ajax_mxchat_get_tag_role_mappings', array($this, 'ajax_get_tag_role_mappings'));
6600 - add_action('wp_ajax_mxchat_bulk_update_tag_roles', array($this, 'ajax_bulk_update_tag_roles'));
6601 -
6602 - // Hook to automatically update role restrictions when tags are added/removed
6603 - add_action('set_object_terms', array($this, 'handle_tag_change'), 10, 6);
6604 -
6605 - // Hook to apply role restrictions on auto-sync
6606 - add_action('mxchat_content_stored', array($this, 'apply_role_restriction_after_storage'), 10, 2);
6607 -}
6608 -
6609 -/**
6610 - * Add tag-role mapping via AJAX
6611 - */
6612 -public function ajax_add_tag_role_mapping() {
6613 - // Verify nonce and permissions
6614 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6615 -
6616 - if (!current_user_can('manage_options')) {
6617 - wp_send_json_error('Unauthorized access');
6618 - exit;
6619 - }
6620 -
6621 - $tag_slug = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
6622 - $role_restriction = isset($_POST['role_restriction']) ? sanitize_text_field($_POST['role_restriction']) : 'public';
6623 -
6624 - if (empty($tag_slug)) {
6625 - wp_send_json_error('Tag slug is required');
6626 - exit;
6627 - }
6628 -
6629 - // Validate role restriction
6630 - $valid_roles = array_keys($this->mxchat_get_role_options());
6631 - if (!in_array($role_restriction, $valid_roles)) {
6632 - wp_send_json_error('Invalid role restriction');
6633 - exit;
6634 - }
6635 -
6636 - // Check if tag exists in WordPress
6637 - $term = get_term_by('slug', $tag_slug, 'post_tag');
6638 - if (!$term) {
6639 - wp_send_json_error('Tag does not exist in WordPress');
6640 - exit;
6641 - }
6642 -
6643 - // Get existing mappings
6644 - $mappings = get_option('mxchat_tag_role_mappings', array());
6645 -
6646 - // Check if mapping already exists
6647 - if (isset($mappings[$tag_slug])) {
6648 - wp_send_json_error('Mapping for this tag already exists');
6649 - exit;
6650 - }
6651 -
6652 - // Add new mapping
6653 - $mappings[$tag_slug] = $role_restriction;
6654 - update_option('mxchat_tag_role_mappings', $mappings);
6655 -
6656 - wp_send_json_success(array(
6657 - 'message' => 'Tag-role mapping added successfully',
6658 - 'tag_slug' => $tag_slug,
6659 - 'role_restriction' => $role_restriction
6660 - ));
6661 - exit;
6662 -}
6663 -
6664 -/**
6665 - * Delete tag-role mapping via AJAX
6666 - */
6667 -public function ajax_delete_tag_role_mapping() {
6668 - // Verify nonce and permissions
6669 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6670 -
6671 - if (!current_user_can('manage_options')) {
6672 - wp_send_json_error('Unauthorized access');
6673 - exit;
6674 - }
6675 -
6676 - $tag_slug = isset($_POST['tag_slug']) ? sanitize_text_field($_POST['tag_slug']) : '';
6677 -
6678 - if (empty($tag_slug)) {
6679 - wp_send_json_error('Tag slug is required');
6680 - exit;
6681 - }
6682 -
6683 - // Get existing mappings
6684 - $mappings = get_option('mxchat_tag_role_mappings', array());
6685 -
6686 - // Check if mapping exists
6687 - if (!isset($mappings[$tag_slug])) {
6688 - wp_send_json_error('Mapping does not exist');
6689 - exit;
6690 - }
6691 -
6692 - // Remove mapping
6693 - unset($mappings[$tag_slug]);
6694 - update_option('mxchat_tag_role_mappings', $mappings);
6695 -
6696 - wp_send_json_success(array(
6697 - 'message' => 'Tag-role mapping deleted successfully',
6698 - 'tag_slug' => $tag_slug
6699 - ));
6700 - exit;
6701 -}
6702 -
6703 -/**
6704 - * Get all tag-role mappings via AJAX
6705 - */
6706 -public function ajax_get_tag_role_mappings() {
6707 - // Verify nonce and permissions
6708 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6709 -
6710 - if (!current_user_can('manage_options')) {
6711 - wp_send_json_error('Unauthorized access');
6712 - exit;
6713 - }
6714 -
6715 - // Get mappings
6716 - $mappings = get_option('mxchat_tag_role_mappings', array());
6717 - $role_options = $this->mxchat_get_role_options();
6718 -
6719 - $formatted_mappings = array();
6720 -
6721 - foreach ($mappings as $tag_slug => $role_restriction) {
6722 - // Get tag object
6723 - $term = get_term_by('slug', $tag_slug, 'post_tag');
6724 -
6725 - // Count posts with this tag
6726 - $post_count = 0;
6727 - if ($term) {
6728 - $post_count = $term->count;
6729 - }
6730 -
6731 - $formatted_mappings[] = array(
6732 - 'tag_slug' => $tag_slug,
6733 - 'role_restriction' => $role_restriction,
6734 - 'role_label' => $role_options[$role_restriction] ?? $role_restriction,
6735 - 'post_count' => $post_count
6736 - );
6737 - }
6738 -
6739 - wp_send_json_success(array(
6740 - 'mappings' => $formatted_mappings
6741 - ));
6742 - exit;
6743 -}
6744 -
6745 -/**
6746 - * Bulk update role restrictions for all existing content with mapped tags
6747 - */
6748 -public function ajax_bulk_update_tag_roles() {
6749 - // Verify nonce and permissions
6750 - check_ajax_referer('mxchat_prompts_setting_nonce', 'nonce');
6751 -
6752 - if (!current_user_can('manage_options')) {
6753 - wp_send_json_error('Unauthorized access');
6754 - exit;
6755 - }
6756 -
6757 - // Get mappings
6758 - $mappings = get_option('mxchat_tag_role_mappings', array());
6759 -
6760 - if (empty($mappings)) {
6761 - wp_send_json_error('No tag-role mappings found');
6762 - exit;
6763 - }
6764 -
6765 - global $wpdb;
6766 -
6767 - // Check if using Pinecone
6768 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
6769 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6770 -
6771 - $updated_count = 0;
6772 - $details = array();
6773 -
6774 - foreach ($mappings as $tag_slug => $role_restriction) {
6775 - // Get all posts with this tag
6776 - $posts = get_posts(array(
6777 - 'tag' => $tag_slug,
6778 - 'post_type' => 'any',
6779 - 'posts_per_page' => -1,
6780 - 'fields' => 'ids',
6781 - 'post_status' => 'publish'
6782 - ));
6783 -
6784 - if (empty($posts)) {
6785 - continue;
6786 - }
6787 -
6788 - $tag_updated = 0;
6789 -
6790 - foreach ($posts as $post_id) {
6791 - $source_url = get_permalink($post_id);
6792 - if (!$source_url) {
6793 - continue;
6794 - }
6795 -
6796 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
6797 - // Update Pinecone role restriction
6798 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
6799 - $vector_id = md5($source_url);
6800 -
6801 - $result = $wpdb->replace(
6802 - $roles_table,
6803 - array(
6804 - 'vector_id' => $vector_id,
6805 - 'role_restriction' => $role_restriction,
6806 - 'updated_at' => current_time('mysql')
6807 - ),
6808 - array('%s', '%s', '%s')
6809 - );
6810 - } else {
6811 - // Update WordPress DB
6812 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6813 -
6814 - $result = $wpdb->update(
6815 - $table_name,
6816 - array('role_restriction' => $role_restriction),
6817 - array('source_url' => $source_url),
6818 - array('%s'),
6819 - array('%s')
6820 - );
6821 - }
6822 -
6823 - if ($result !== false) {
6824 - $tag_updated++;
6825 - $updated_count++;
6826 - }
6827 - }
6828 -
6829 - if ($tag_updated > 0) {
6830 - $details[] = sprintf(
6831 - 'Tag "%s" (%s): %d posts updated',
6832 - $tag_slug,
6833 - $role_restriction,
6834 - $tag_updated
6835 - );
6836 - }
6837 - }
6838 -
6839 - wp_send_json_success(array(
6840 - 'message' => 'Bulk update completed',
6841 - 'updated_count' => $updated_count,
6842 - 'tags_processed' => count($mappings),
6843 - 'details' => $details
6844 - ));
6845 - exit;
6846 -}
6847 -
6848 -/**
6849 - * Handle tag changes on posts (when tags are added or removed)
6850 - */
6851 -public function handle_tag_change($object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids) {
6852 - // Only process post tags
6853 - if ($taxonomy !== 'post_tag') {
6854 - return;
6855 - }
6856 -
6857 - // Get tag-role mappings
6858 - $mappings = get_option('mxchat_tag_role_mappings', array());
6859 -
6860 - if (empty($mappings)) {
6861 - return;
6862 - }
6863 -
6864 - // Get the post's URL
6865 - $source_url = get_permalink($object_id);
6866 - if (!$source_url) {
6867 - return;
6868 - }
6869 -
6870 - // Determine the highest role restriction based on tags
6871 - $highest_role = 'public';
6872 - $role_hierarchy = array(
6873 - 'public' => 0,
6874 - 'logged_in' => 1,
6875 - 'subscriber' => 2,
6876 - 'contributor' => 3,
6877 - 'author' => 4,
6878 - 'editor' => 5,
6879 - 'administrator' => 6
6880 - );
6881 -
6882 - // Get all current tags for the post
6883 - $current_tags = wp_get_post_tags($object_id, array('fields' => 'slugs'));
6884 -
6885 - // Find the highest role restriction among the tags
6886 - foreach ($current_tags as $tag_slug) {
6887 - if (isset($mappings[$tag_slug])) {
6888 - $role = $mappings[$tag_slug];
6889 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
6890 - $highest_role = $role;
6891 - }
6892 - }
6893 - }
6894 -
6895 - // Update the role restriction in the database
6896 - global $wpdb;
6897 -
6898 - // Check if using Pinecone
6899 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
6900 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6901 -
6902 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
6903 - // Update Pinecone role restriction
6904 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
6905 - $vector_id = md5($source_url);
6906 -
6907 - $wpdb->replace(
6908 - $roles_table,
6909 - array(
6910 - 'vector_id' => $vector_id,
6911 - 'role_restriction' => $highest_role,
6912 - 'updated_at' => current_time('mysql')
6913 - ),
6914 - array('%s', '%s', '%s')
6915 - );
6916 - } else {
6917 - // Update WordPress DB
6918 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6919 -
6920 - $wpdb->update(
6921 - $table_name,
6922 - array('role_restriction' => $highest_role),
6923 - array('source_url' => $source_url),
6924 - array('%s'),
6925 - array('%s')
6926 - );
6927 - }
6928 -}
6929 -
6930 -/**
6931 - * Apply role restriction after content is stored (for auto-sync)
6932 - */
6933 -public function apply_role_restriction_after_storage($post_id, $source_url) {
6934 - // Get tag-role mappings
6935 - $mappings = get_option('mxchat_tag_role_mappings', array());
6936 -
6937 - if (empty($mappings)) {
6938 - return;
6939 - }
6940 -
6941 - // Get all tags for the post
6942 - $post_tags = wp_get_post_tags($post_id, array('fields' => 'slugs'));
6943 -
6944 - if (empty($post_tags)) {
6945 - return;
6946 - }
6947 -
6948 - // Determine the highest role restriction based on tags
6949 - $highest_role = 'public';
6950 - $role_hierarchy = array(
6951 - 'public' => 0,
6952 - 'logged_in' => 1,
6953 - 'subscriber' => 2,
6954 - 'contributor' => 3,
6955 - 'author' => 4,
6956 - 'editor' => 5,
6957 - 'administrator' => 6
6958 - );
6959 -
6960 - foreach ($post_tags as $tag_slug) {
6961 - if (isset($mappings[$tag_slug])) {
6962 - $role = $mappings[$tag_slug];
6963 - if (isset($role_hierarchy[$role]) && $role_hierarchy[$role] > $role_hierarchy[$highest_role]) {
6964 - $highest_role = $role;
6965 - }
6966 - }
6967 - }
6968 -
6969 - // If no restricted tags found, return (leave as public)
6970 - if ($highest_role === 'public') {
6971 - return;
6972 - }
6973 -
6974 - // Update the role restriction
6975 - global $wpdb;
6976 -
6977 - // Check if using Pinecone
6978 - $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
6979 - $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
6980 -
6981 - if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
6982 - // Update Pinecone role restriction
6983 - $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
6984 - $vector_id = md5($source_url);
6985 -
6986 - $wpdb->replace(
6987 - $roles_table,
6988 - array(
6989 - 'vector_id' => $vector_id,
6990 - 'role_restriction' => $highest_role,
6991 - 'updated_at' => current_time('mysql')
6992 - ),
6993 - array('%s', '%s', '%s')
6994 - );
6995 - } else {
6996 - // Update WordPress DB
6997 - $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
6998 -
6999 - $wpdb->update(
7000 - $table_name,
7001 - array('role_restriction' => $highest_role),
7002 - array('source_url' => $source_url),
7003 - array('%s'),
7004 - array('%s')
7005 - );
7006 - }
7007 -}
7008 -
7009 -
7010 - // ========================================
7011 - // HELPER METHODS
7012 - // ========================================
7013 -
7014 - /**
7015 - * Check if user has required permissions for content processing
7016 - */
7017 - private function mxchat_check_user_permissions() {
7018 - if (!current_user_can('manage_options')) {
7019 - wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
7020 - }
7021 - }
7022 -
7023 - /**
7024 - * Validate nonce for security
7025 - */
7026 - private function mxchat_validate_nonce($nonce_name, $nonce_action) {
7027 - if (!isset($_POST[$nonce_name]) || !wp_verify_nonce($_POST[$nonce_name], $nonce_action)) {
7028 - wp_die(esc_html__('Security check failed.', 'mxchat'));
7029 - }
7030 - }
7031 -
7032 - /**
7033 - * Get embedding API credentials
7034 - */
7035 - private function mxchat_get_embedding_credentials() {
7036 - $embedding_model = $this->options['embedding_model'] ?? 'text-embedding-ada-002';
7037 -
7038 - if (strpos($embedding_model, 'text-embedding-') !== false) {
7039 - return array(
7040 - 'type' => 'openai',
7041 - 'api_key' => $this->options['api_key'] ?? ''
7042 - );
7043 - } elseif (strpos($embedding_model, 'voyage-') !== false) {
7044 - return array(
7045 - 'type' => 'voyage',
7046 - 'api_key' => $this->options['voyage_api_key'] ?? ''
7047 - );
7048 - } elseif (strpos($embedding_model, 'gemini-embedding-') !== false) {
7049 - return array(
7050 - 'type' => 'gemini',
7051 - 'api_key' => $this->options['gemini_api_key'] ?? ''
7052 - );
7053 - }
7054 -
7055 - return array('type' => 'unknown', 'api_key' => '');
7056 - }
7057 -
7058 - /**
7059 - * Log processing errors
7060 - */
7061 - private function mxchat_log_processing_error($operation, $error_message) {
7062 - //error_log("MxChat Knowledge Processing {$operation} Error: " . $error_message);
7063 - }
7064 -
7065 - /**
7066 - * Set admin notice transient
7067 - */
7068 - private function mxchat_set_admin_notice($type, $message) {
7069 - set_transient("mxchat_admin_notice_{$type}", $message, 30);
7070 - }
7071 -
7072 - /**
7073 - * Get Pinecone manager instance for vector operations
7074 - */
7075 - private function mxchat_get_pinecone_manager() {
7076 - return MxChat_Pinecone_Manager::get_instance();
7077 - }
7078 -
7079 -
7080 - // ========================================
7081 -// DATABASE QUEUE TABLE MANAGEMENT
7082 -// ========================================
7083 -
7084 -/**
7085 - * Create queue table on plugin activation
7086 - * Call this from your plugin activation hook
7087 - */
7088 -public function mxchat_create_queue_table() {
7089 - global $wpdb;
7090 -
7091 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7092 - $charset_collate = $wpdb->get_charset_collate();
7093 -
7094 - $sql = "CREATE TABLE IF NOT EXISTS $table_name (
7095 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
7096 - queue_id varchar(64) NOT NULL,
7097 - item_type varchar(20) NOT NULL,
7098 - item_data longtext NOT NULL,
7099 - status varchar(20) NOT NULL DEFAULT 'pending',
7100 - bot_id varchar(50) NOT NULL DEFAULT 'default',
7101 - priority int(11) NOT NULL DEFAULT 0,
7102 - attempts int(11) NOT NULL DEFAULT 0,
7103 - max_attempts int(11) NOT NULL DEFAULT 3,
7104 - error_message text DEFAULT NULL,
7105 - created_at datetime NOT NULL,
7106 - started_at datetime DEFAULT NULL,
7107 - completed_at datetime DEFAULT NULL,
7108 - PRIMARY KEY (id),
7109 - KEY queue_id (queue_id),
7110 - KEY status (status),
7111 - KEY item_type (item_type),
7112 - KEY priority (priority)
7113 - ) $charset_collate;";
7114 -
7115 - require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
7116 - dbDelta($sql);
7117 -
7118 - // Also create a meta table for queue metadata
7119 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7120 -
7121 - $meta_sql = "CREATE TABLE IF NOT EXISTS $meta_table (
7122 - id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
7123 - queue_id varchar(64) NOT NULL,
7124 - meta_key varchar(255) NOT NULL,
7125 - meta_value longtext,
7126 - PRIMARY KEY (id),
7127 - KEY queue_id (queue_id),
7128 - KEY meta_key (meta_key)
7129 - ) $charset_collate;";
7130 -
7131 - dbDelta($meta_sql);
7132 -}
7133 -
7134 -/**
7135 - * Add items to the processing queue
7136 - *
7137 - * @param string $queue_id Unique identifier for this queue batch
7138 - * @param string $item_type Type of item (url, pdf_page)
7139 - * @param array $items Array of items to queue
7140 - * @param string $bot_id Bot ID for processing
7141 - * @return int Number of items queued
7142 - */
7143 -private function mxchat_add_to_queue($queue_id, $item_type, $items, $bot_id = 'default') {
7144 - global $wpdb;
7145 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7146 -
7147 - $queued_count = 0;
7148 - $priority = 0;
7149 -
7150 - foreach ($items as $item) {
7151 - $result = $wpdb->insert(
7152 - $table_name,
7153 - array(
7154 - 'queue_id' => $queue_id,
7155 - 'item_type' => $item_type,
7156 - 'item_data' => wp_json_encode($item),
7157 - 'status' => 'pending',
7158 - 'bot_id' => $bot_id,
7159 - 'priority' => $priority,
7160 - 'attempts' => 0,
7161 - 'max_attempts' => 3,
7162 - 'created_at' => current_time('mysql')
7163 - ),
7164 - array('%s', '%s', '%s', '%s', '%s', '%d', '%d', '%d', '%s')
7165 - );
7166 -
7167 - if ($result) {
7168 - $queued_count++;
7169 - }
7170 -
7171 - $priority++; // Process in order
7172 - }
7173 -
7174 - return $queued_count;
7175 -}
7176 -
7177 -/**
7178 - * Store queue metadata (total counts, source URL, etc.)
7179 - */
7180 -private function mxchat_set_queue_meta($queue_id, $meta_key, $meta_value) {
7181 - global $wpdb;
7182 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7183 -
7184 - // Check if meta exists
7185 - $existing = $wpdb->get_var($wpdb->prepare(
7186 - "SELECT id FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
7187 - $queue_id,
7188 - $meta_key
7189 - ));
7190 -
7191 - if ($existing) {
7192 - // Update
7193 - $wpdb->update(
7194 - $meta_table,
7195 - array('meta_value' => maybe_serialize($meta_value)),
7196 - array('queue_id' => $queue_id, 'meta_key' => $meta_key),
7197 - array('%s'),
7198 - array('%s', '%s')
7199 - );
7200 - } else {
7201 - // Insert
7202 - $wpdb->insert(
7203 - $meta_table,
7204 - array(
7205 - 'queue_id' => $queue_id,
7206 - 'meta_key' => $meta_key,
7207 - 'meta_value' => maybe_serialize($meta_value)
7208 - ),
7209 - array('%s', '%s', '%s')
7210 - );
7211 - }
7212 -}
7213 -
7214 -/**
7215 - * Get queue metadata
7216 - */
7217 -private function mxchat_get_queue_meta($queue_id, $meta_key) {
7218 - global $wpdb;
7219 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
7220 -
7221 - $value = $wpdb->get_var($wpdb->prepare(
7222 - "SELECT meta_value FROM $meta_table WHERE queue_id = %s AND meta_key = %s",
7223 - $queue_id,
7224 - $meta_key
7225 - ));
7226 -
7227 - return maybe_unserialize($value);
7228 -}
7229 -
7230 -// ========================================
7231 -// AJAX QUEUE PROCESSING HANDLERS
7232 -// ========================================
7233 -
7234 -/**
7235 - * AJAX: Get next item from queue to process
7236 - */
7237 -public function ajax_mxchat_get_next_queue_item() {
7238 - // Verify nonce and permissions
7239 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
7240 -
7241 - if (!current_user_can('manage_options')) {
7242 - wp_send_json_error('Unauthorized access');
7243 - }
7244 -
7245 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
7246 -
7247 - if (empty($queue_id)) {
7248 - wp_send_json_error('Missing queue ID');
7249 - }
7250 -
7251 - global $wpdb;
7252 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7253 -
7254 - // Get next pending item with retry logic for failed items
7255 - $next_item = $wpdb->get_row($wpdb->prepare(
7256 - "SELECT * FROM $table_name
7257 - WHERE queue_id = %s
7258 - AND status IN ('pending', 'failed')
7259 - AND attempts < max_attempts
7260 - ORDER BY priority ASC, id ASC
7261 - LIMIT 1",
7262 - $queue_id
7263 - ));
7264 -
7265 - if (!$next_item) {
7266 - // No more items - queue complete
7267 - wp_send_json_success(array(
7268 - 'complete' => true,
7269 - 'message' => 'Queue processing complete'
7270 - ));
7271 - }
7272 -
7273 - // Mark item as processing
7274 - $wpdb->update(
7275 - $table_name,
7276 - array(
7277 - 'status' => 'processing',
7278 - 'started_at' => current_time('mysql'),
7279 - 'attempts' => $next_item->attempts + 1
7280 - ),
7281 - array('id' => $next_item->id),
7282 - array('%s', '%s', '%d'),
7283 - array('%d')
7284 - );
7285 -
7286 - wp_send_json_success(array(
7287 - 'complete' => false,
7288 - 'item' => array(
7289 - 'id' => $next_item->id,
7290 - 'type' => $next_item->item_type,
7291 - 'data' => json_decode($next_item->item_data, true),
7292 - 'bot_id' => $next_item->bot_id,
7293 - 'attempt' => $next_item->attempts + 1
7294 - )
7295 - ));
7296 -}
7297 -
7298 -/**
7299 - * AJAX: Process a single queue item
7300 - */
7301 -public function ajax_mxchat_process_queue_item() {
7302 - // Verify nonce and permissions
7303 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
7304 -
7305 - if (!current_user_can('manage_options')) {
7306 - wp_send_json_error('Unauthorized access');
7307 - }
7308 -
7309 - $item_id = isset($_POST['item_id']) ? absint($_POST['item_id']) : 0;
7310 - $item_type = isset($_POST['item_type']) ? sanitize_text_field($_POST['item_type']) : '';
7311 - $item_data = isset($_POST['item_data']) ? $_POST['item_data'] : array();
7312 - $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
7313 -
7314 - if (empty($item_id) || empty($item_type)) {
7315 - wp_send_json_error('Missing item data');
7316 - }
7317 -
7318 - global $wpdb;
7319 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7320 -
7321 - // Process based on item type
7322 - try {
7323 - set_time_limit(60); // Give processing 60 seconds
7324 -
7325 - $result = false;
7326 - $error_message = '';
7327 -
7328 - // Read item directly from DB to get queue_id and preserve special chars in item_data
7329 - // (POST round-trip through JS mangles characters like apostrophes in URLs)
7330 - $db_item = $wpdb->get_row($wpdb->prepare(
7331 - "SELECT queue_id, item_data FROM $table_name WHERE id = %d",
7332 - $item_id
7333 - ));
7334 - $item_queue_id = $db_item ? $db_item->queue_id : '';
7335 - if ($db_item && !empty($db_item->item_data)) {
7336 - $db_data = json_decode($db_item->item_data, true);
7337 - if (is_array($db_data)) {
7338 - $item_data = $db_data;
7339 - }
7340 - }
7341 -
7342 - switch ($item_type) {
7343 - case 'url':
7344 - $result = $this->mxchat_process_queue_url($item_data, $bot_id, $item_queue_id);
7345 - break;
7346 -
7347 - case 'pdf_page':
7348 - $result = $this->mxchat_process_queue_pdf_page($item_data, $bot_id);
7349 - break;
7350 -
7351 - default:
7352 - throw new Exception('Unknown item type: ' . $item_type);
7353 - }
7354 -
7355 - if (is_wp_error($result)) {
7356 - $error_code = $result->get_error_code();
7357 - // Content errors (empty page, sanitization) are permanent — retrying won't help
7358 - $permanent_codes = array('empty_page', 'empty_after_sanitization', 'no_api_key', 'page_not_found');
7359 - if (in_array($error_code, $permanent_codes)) {
7360 - // Mark as permanently failed — set attempts = max_attempts so it won't be retried
7361 - $current_item = $wpdb->get_row($wpdb->prepare(
7362 - "SELECT max_attempts FROM $table_name WHERE id = %d", $item_id
7363 - ));
7364 - $wpdb->update(
7365 - $table_name,
7366 - array(
7367 - 'status' => 'failed',
7368 - 'error_message' => $result->get_error_message(),
7369 - 'attempts' => $current_item ? $current_item->max_attempts : 3
7370 - ),
7371 - array('id' => $item_id),
7372 - array('%s', '%s', '%d'),
7373 - array('%d')
7374 - );
7375 - wp_send_json_error(array(
7376 - 'message' => $result->get_error_message(),
7377 - 'permanent_failure' => true,
7378 - 'item_id' => $item_id
7379 - ));
7380 - return;
7381 - }
7382 - throw new Exception($result->get_error_message());
7383 - }
7384 -
7385 - if ($result === false) {
7386 - throw new Exception('Processing returned false - item may be empty or invalid');
7387 - }
7388 -
7389 - // Mark as completed
7390 - $wpdb->update(
7391 - $table_name,
7392 - array(
7393 - 'status' => 'completed',
7394 - 'completed_at' => current_time('mysql'),
7395 - 'error_message' => null
7396 - ),
7397 - array('id' => $item_id),
7398 - array('%s', '%s', '%s'),
7399 - array('%d')
7400 - );
7401 -
7402 - wp_send_json_success(array(
7403 - 'processed' => true,
7404 - 'item_id' => $item_id,
7405 - 'message' => 'Item processed successfully'
7406 - ));
7407 -
7408 - } catch (Exception $e) {
7409 - $error_message = $e->getMessage();
7410 -
7411 - // Get current attempt count
7412 - $item = $wpdb->get_row($wpdb->prepare(
7413 - "SELECT attempts, max_attempts FROM $table_name WHERE id = %d",
7414 - $item_id
7415 - ));
7416 -
7417 - // Check if we've exhausted retries
7418 - if ($item && $item->attempts >= $item->max_attempts) {
7419 - // Permanently failed
7420 - $wpdb->update(
7421 - $table_name,
7422 - array(
7423 - 'status' => 'failed',
7424 - 'error_message' => $error_message
7425 - ),
7426 - array('id' => $item_id),
7427 - array('%s', '%s'),
7428 - array('%d')
7429 - );
7430 -
7431 - wp_send_json_error(array(
7432 - 'message' => 'Item failed after maximum attempts: ' . $error_message,
7433 - 'permanent_failure' => true,
7434 - 'item_id' => $item_id
7435 - ));
7436 - } else {
7437 - // Mark for retry
7438 - $wpdb->update(
7439 - $table_name,
7440 - array(
7441 - 'status' => 'failed',
7442 - 'error_message' => $error_message
7443 - ),
7444 - array('id' => $item_id),
7445 - array('%s', '%s'),
7446 - array('%d')
7447 - );
7448 -
7449 - wp_send_json_error(array(
7450 - 'message' => 'Item processing failed, will retry: ' . $error_message,
7451 - 'can_retry' => true,
7452 - 'item_id' => $item_id,
7453 - 'attempts' => $item ? $item->attempts : 0
7454 - ));
7455 - }
7456 - }
7457 -}
7458 -
7459 -/**
7460 - * Process a URL from the queue
7461 - */
7462 -private function mxchat_process_queue_url($item_data, $bot_id = 'default', $queue_id = '') {
7463 - $url = isset($item_data['url']) ? $item_data['url'] : '';
7464 -
7465 - if (empty($url)) {
7466 - return new WP_Error('invalid_url', 'URL is empty');
7467 - }
7468 -
7469 - // Get bot-specific API key early (needed for both paths)
7470 - $bot_options = $this->get_bot_options($bot_id);
7471 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
7472 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
7473 -
7474 - if (strpos($selected_model, 'voyage') === 0) {
7475 - $api_key = $options['voyage_api_key'] ?? '';
7476 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
7477 - $api_key = $options['gemini_api_key'] ?? '';
7478 - } else {
7479 - $api_key = $options['api_key'] ?? '';
7480 - }
7481 -
7482 - if (empty($api_key)) {
7483 - return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
7484 - }
7485 -
7486 - // Check if this is a WooCommerce product URL and WooCommerce is active
7487 - $is_product_url = (strpos($url, '/product/') !== false || strpos($url, '/shop/') !== false);
7488 - $content_type = $is_product_url ? 'product' : 'url';
7489 -
7490 - // Try to get WooCommerce product data if it's a product URL
7491 - if ($is_product_url && class_exists('WooCommerce')) {
7492 - $product_content = $this->mxchat_extract_woocommerce_product_content($url);
7493 -
7494 - if (!empty($product_content)) {
7495 - // Successfully extracted WooCommerce product data with pricing
7496 - $result = MxChat_Utils::submit_content_to_db(
7497 - $product_content,
7498 - $url,
7499 - $api_key,
7500 - null,
7501 - $bot_id,
7502 - 'product'
7503 - );
7504 - return $result;
7505 - }
7506 - // If WooCommerce extraction failed, fall through to HTML extraction
7507 - }
7508 -
7509 - // Fetch URL content (fallback for non-products or when WooCommerce extraction fails)
7510 - $is_likely_pdf = (strtolower(pathinfo(parse_url($url, PHP_URL_PATH) ?: '', PATHINFO_EXTENSION)) === 'pdf');
7511 - $response = wp_remote_get($url, array(
7512 - 'timeout' => $is_likely_pdf ? 120 : 30,
7513 - 'redirection' => 5,
7514 - 'user-agent' => 'MxChat/1.0'
7515 - ));
7516 -
7517 - if (is_wp_error($response)) {
7518 - return $response;
7519 - }
7520 -
7521 - $response_code = wp_remote_retrieve_response_code($response);
7522 - if ($response_code !== 200) {
7523 - return new WP_Error('http_error', 'HTTP ' . $response_code . ' error for: ' . $url);
7524 - }
7525 -
7526 - // Check if URL is a PDF — expand into per-page queue items using the standard PDF pipeline
7527 - if ($this->mxchat_is_pdf_url($url, $response)) {
7528 - return $this->mxchat_expand_pdf_to_queue($url, $response, $bot_id, $queue_id);
7529 - }
7530 -
7531 - $html = wp_remote_retrieve_body($response);
7532 -
7533 - if (empty($html)) {
7534 - return new WP_Error('empty_response', 'Empty response body');
7535 - }
7536 -
7537 - // Extract and sanitize content
7538 - $content = $this->mxchat_extract_main_content($html);
7539 - $sanitized = $this->mxchat_sanitize_content_for_api($content);
7540 -
7541 - if (empty($sanitized)) {
7542 - // Not an error - just no content found (maybe a redirect or empty page)
7543 - return false;
7544 - }
7545 -
7546 - // Submit to database with content_type
7547 - $result = MxChat_Utils::submit_content_to_db(
7548 - $sanitized,
7549 - $url,
7550 - $api_key,
7551 - null,
7552 - $bot_id,
7553 - $content_type
7554 - );
7555 -
7556 - return $result;
7557 -}
7558 -
7559 -/**
7560 - * Expand a PDF URL into per-page queue items using the standard PDF pipeline.
7561 - * Called when a sitemap URL turns out to be a PDF — downloads, parses page count,
7562 - * and adds pdf_page items to the same queue so they process with full progress tracking.
7563 - */
7564 -private function mxchat_expand_pdf_to_queue($pdf_url, $response, $bot_id = 'default', $queue_id = '') {
7565 - set_time_limit(120); // PDFs need extra time for download + parsing
7566 -
7567 - $upload_dir = wp_upload_dir();
7568 - $pdf_filename = sanitize_file_name('mxchat_kb_' . md5($pdf_url) . '.pdf');
7569 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
7570 -
7571 - $response_body = wp_remote_retrieve_body($response);
7572 - if (empty($response_body)) {
7573 - return new WP_Error('empty_pdf', 'Empty PDF response for: ' . $pdf_url);
7574 - }
7575 -
7576 - if (!wp_mkdir_p(dirname($pdf_path))) {
7577 - return new WP_Error('dir_error', 'Failed to create upload directory');
7578 - }
7579 -
7580 - file_put_contents($pdf_path, $response_body);
7581 -
7582 - if (!file_exists($pdf_path)) {
7583 - return new WP_Error('save_error', 'Failed to save PDF file');
7584 - }
7585 -
7586 - try {
7587 - $total_pages = $this->mxchat_validate_and_count_pdf_pages($pdf_path);
7588 -
7589 - if ($total_pages === false || $total_pages < 1) {
7590 - wp_delete_file($pdf_path);
7591 - return new WP_Error('no_pages', 'PDF has no pages: ' . $pdf_url);
7592 - }
7593 -
7594 - // Build per-page items identical to mxchat_handle_pdf_for_knowledge_base
7595 - $pages = array();
7596 - for ($i = 1; $i <= $total_pages; $i++) {
7597 - $pages[] = array(
7598 - 'pdf_path' => $pdf_path,
7599 - 'pdf_url' => $pdf_url,
7600 - 'page_number' => $i,
7601 - 'total_pages' => $total_pages
7602 - );
7603 - }
7604 -
7605 - // Add pdf_page items to the SAME queue so the JS picks them up automatically
7606 - if (!empty($queue_id)) {
7607 - $queued_count = $this->mxchat_add_to_queue($queue_id, 'pdf_page', $pages, $bot_id);
7608 - } else {
7609 - // Fallback: create a new PDF queue (shouldn't happen in sitemap flow)
7610 - $new_queue_id = 'pdf_' . md5($pdf_url . time());
7611 - $queued_count = $this->mxchat_add_to_queue($new_queue_id, 'pdf_page', $pages, $bot_id);
7612 - $this->mxchat_set_queue_meta($new_queue_id, 'source_url', $pdf_url);
7613 - $this->mxchat_set_queue_meta($new_queue_id, 'queue_type', 'pdf');
7614 - $this->mxchat_set_queue_meta($new_queue_id, 'total_items', $total_pages);
7615 - $this->mxchat_set_queue_meta($new_queue_id, 'bot_id', $bot_id);
7616 - $this->mxchat_set_queue_meta($new_queue_id, 'pdf_path', $pdf_path);
7617 - $this->mxchat_set_queue_meta($new_queue_id, 'created_at', current_time('mysql'));
7618 - }
7619 -
7620 - if ($queued_count === 0) {
7621 - wp_delete_file($pdf_path);
7622 - return new WP_Error('queue_error', 'Failed to add PDF pages to queue');
7623 - }
7624 -
7625 - // Return true so the original URL item is marked complete
7626 - // The new pdf_page items will be processed in subsequent batches
7627 - return true;
7628 -
7629 - } catch (Exception $e) {
7630 - if (file_exists($pdf_path)) {
7631 - wp_delete_file($pdf_path);
7632 - }
7633 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
7634 - }
7635 -}
7636 -
7637 -/**
7638 - * Legacy: Process a PDF URL inline during sitemap queue processing.
7639 - * @deprecated Use mxchat_expand_pdf_to_queue instead — kept for reference only.
7640 - */
7641 -private function mxchat_process_pdf_url_inline($pdf_url, $response, $api_key, $bot_id = 'default') {
7642 - set_time_limit(120); // PDFs need more time — downloading + parsing all pages
7643 -
7644 - $upload_dir = wp_upload_dir();
7645 - $pdf_filename = sanitize_file_name('mxchat_kb_' . md5($pdf_url) . '.pdf');
7646 - $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
7647 -
7648 - $response_body = wp_remote_retrieve_body($response);
7649 - if (empty($response_body)) {
7650 - return new WP_Error('empty_pdf', 'Empty PDF response');
7651 - }
7652 -
7653 - if (!wp_mkdir_p(dirname($pdf_path))) {
7654 - return new WP_Error('dir_error', 'Failed to create upload directory');
7655 - }
7656 -
7657 - file_put_contents($pdf_path, $response_body);
7658 -
7659 - if (!file_exists($pdf_path)) {
7660 - return new WP_Error('save_error', 'Failed to save PDF file');
7661 - }
7662 -
7663 - try {
7664 - mxchat_load_pdf_parser();
7665 - $parser = new \Smalot\PdfParser\Parser();
7666 - $pdf = $parser->parseFile($pdf_path);
7667 - $pages = $pdf->getPages();
7668 - $total_pages = count($pages);
7669 -
7670 - if ($total_pages < 1) {
7671 - wp_delete_file($pdf_path);
7672 - return new WP_Error('no_pages', 'PDF has no pages');
7673 - }
7674 -
7675 - $processed = 0;
7676 - $skipped_pages = array();
7677 -
7678 - for ($i = 0; $i < $total_pages; $i++) {
7679 - $page_num = $i + 1;
7680 - $text = $pages[$i]->getText();
7681 - if (empty($text)) {
7682 - $skipped_pages[] = 'Page ' . $page_num . ': No text could be extracted — page may contain only images, links, or non-standard encoding';
7683 - continue;
7684 - }
7685 -
7686 - $sanitized = $this->mxchat_sanitize_content_for_api($text);
7687 - if (empty($sanitized)) {
7688 - $skipped_pages[] = 'Page ' . $page_num . ': Text was extracted but contained only special characters, control codes, or unsupported content';
7689 - continue;
7690 - }
7691 -
7692 - $metadata = array(
7693 - 'document_type' => 'pdf',
7694 - 'total_pages' => $total_pages,
7695 - 'current_page' => $page_num,
7696 - 'source_url' => $pdf_url,
7697 - );
7698 -
7699 - $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized;
7700 - $page_url = esc_url($pdf_url . '#page=' . $page_num);
7701 -
7702 - MxChat_Utils::submit_content_to_db(
7703 - $content_with_metadata,
7704 - $page_url,
7705 - $api_key,
7706 - null,
7707 - $bot_id,
7708 - 'pdf'
7709 - );
7710 -
7711 - $processed++;
7712 - }
7713 -
7714 - // Clean up the temp PDF file
7715 - wp_delete_file($pdf_path);
7716 -
7717 - if (!empty($skipped_pages)) {
7718 - error_log('MxChat PDF: Skipped ' . count($skipped_pages) . ' of ' . $total_pages . ' pages: ' . implode('; ', $skipped_pages));
7719 - }
7720 -
7721 - return $processed > 0 ? true : false;
7722 -
7723 - } catch (Exception $e) {
7724 - if (file_exists($pdf_path)) {
7725 - wp_delete_file($pdf_path);
7726 - }
7727 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
7728 - }
7729 -}
7730 -
7731 -/**
7732 - * Extract WooCommerce product content including pricing
7733 - *
7734 - * @param string $url The product URL
7735 - * @return string|false Product content with pricing, or false if not found
7736 - */
7737 -private function mxchat_extract_woocommerce_product_content($url) {
7738 - // Try to get product ID from URL
7739 - $product_id = url_to_postid($url);
7740 -
7741 - // If url_to_postid fails, try to extract from URL pattern
7742 - if (!$product_id) {
7743 - $product_slug = '';
7744 -
7745 - // Handle pretty permalinks: /product/product-name/
7746 - if (preg_match('/\/product\/([^\/\?]+)/', $url, $matches)) {
7747 - $product_slug = $matches[1];
7748 - }
7749 -
7750 - if (!empty($product_slug)) {
7751 - $product_post = get_page_by_path($product_slug, OBJECT, 'product');
7752 - if ($product_post) {
7753 - $product_id = $product_post->ID;
7754 - }
7755 - }
7756 - }
7757 -
7758 - if (!$product_id) {
7759 - return false;
7760 - }
7761 -
7762 - // Get WooCommerce product object
7763 - $product = wc_get_product($product_id);
7764 -
7765 - if (!$product) {
7766 - return false;
7767 - }
7768 -
7769 - // Build product content with pricing (similar to mxchat_store_product_embedding)
7770 - $title = $product->get_name();
7771 - $description = $product->get_description();
7772 - $short_description = $product->get_short_description();
7773 - $sku = $product->get_sku();
7774 -
7775 - // Get pricing information
7776 - $regular_price = $product->get_regular_price();
7777 - $sale_price = $product->get_sale_price();
7778 - $price = $product->get_price(); // Current active price
7779 -
7780 - // Get currency symbol
7781 - $currency_symbol = get_woocommerce_currency_symbol();
7782 -
7783 - // Format content
7784 - $content = $title . "\n\n";
7785 -
7786 - if (!empty($short_description)) {
7787 - $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
7788 - }
7789 -
7790 - if (!empty($description)) {
7791 - $content .= wp_strip_all_tags($description) . "\n\n";
7792 - }
7793 -
7794 - // Add pricing information
7795 - if (!empty($regular_price)) {
7796 - $content .= "Price: " . $currency_symbol . $regular_price . "\n";
7797 - } elseif (!empty($price)) {
7798 - $content .= "Price: " . $currency_symbol . $price . "\n";
7799 - }
7800 -
7801 - if (!empty($sale_price) && $sale_price !== $regular_price) {
7802 - $content .= "Sale Price: " . $currency_symbol . $sale_price . "\n";
7803 - }
7804 -
7805 - // Handle variable products - show price range
7806 - if ($product->is_type('variable')) {
7807 - $min_price = $product->get_variation_price('min');
7808 - $max_price = $product->get_variation_price('max');
7809 - if ($min_price !== $max_price) {
7810 - $content .= "Price Range: " . $currency_symbol . $min_price . " - " . $currency_symbol . $max_price . "\n";
7811 - }
7812 - }
7813 -
7814 - if (!empty($sku)) {
7815 - $content .= "SKU: " . $sku . "\n";
7816 - }
7817 -
7818 - // Get product categories
7819 - $categories = wp_get_post_terms($product_id, 'product_cat', array('fields' => 'names'));
7820 - if (!empty($categories) && !is_wp_error($categories)) {
7821 - $content .= "Categories: " . implode(', ', $categories) . "\n";
7822 - }
7823 -
7824 - // Get Custom Product Tabs (supports "Custom Product Tabs for WooCommerce" by Code Parrots)
7825 - $custom_tabs = get_post_meta($product_id, 'yikes_woo_products_tabs', true);
7826 - if (!empty($custom_tabs) && is_array($custom_tabs)) {
7827 - foreach ($custom_tabs as $tab) {
7828 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
7829 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
7830 -
7831 - if (!empty($tab_title) && !empty($tab_content)) {
7832 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
7833 - }
7834 - }
7835 - }
7836 -
7837 - // Also check for reusable/saved tabs applied to this product
7838 - $applied_saved_tabs = get_post_meta($product_id, 'yikes_woo_reusable_products_tabs_applied', true);
7839 - if (!empty($applied_saved_tabs) && is_array($applied_saved_tabs)) {
7840 - $saved_tabs = get_option('yikes_woo_reusable_products_tabs', array());
7841 - if (!empty($saved_tabs) && is_array($saved_tabs)) {
7842 - foreach ($applied_saved_tabs as $saved_tab_id) {
7843 - if (isset($saved_tabs[$saved_tab_id])) {
7844 - $tab = $saved_tabs[$saved_tab_id];
7845 - $tab_title = isset($tab['title']) ? $tab['title'] : (isset($tab['tab_title']) ? $tab['tab_title'] : '');
7846 - $tab_content = isset($tab['content']) ? $tab['content'] : '';
7847 -
7848 - if (!empty($tab_title) && !empty($tab_content)) {
7849 - $content .= "\n" . $tab_title . ": " . wp_strip_all_tags($tab_content) . "\n";
7850 - }
7851 - }
7852 - }
7853 - }
7854 - }
7855 -
7856 - return $this->mxchat_sanitize_content_for_api($content);
7857 -}
7858 -
7859 -/**
7860 - * Process a PDF page from the queue
7861 - */
7862 -private function mxchat_process_queue_pdf_page($item_data, $bot_id = 'default') {
7863 - $pdf_path = isset($item_data['pdf_path']) ? $item_data['pdf_path'] : '';
7864 - $pdf_url = isset($item_data['pdf_url']) ? $item_data['pdf_url'] : '';
7865 - $page_number = isset($item_data['page_number']) ? absint($item_data['page_number']) : 0;
7866 - $total_pages = isset($item_data['total_pages']) ? absint($item_data['total_pages']) : 0;
7867 -
7868 - if (empty($pdf_path) || !file_exists($pdf_path)) {
7869 - return new WP_Error('pdf_not_found', 'PDF file not found: ' . $pdf_path);
7870 - }
7871 -
7872 - if ($page_number < 1) {
7873 - return new WP_Error('invalid_page', 'Invalid page number');
7874 - }
7875 -
7876 - try {
7877 - mxchat_load_pdf_parser();
7878 - $parser = new \Smalot\PdfParser\Parser();
7879 - $pdf = $parser->parseFile($pdf_path);
7880 - $pages = $pdf->getPages();
7881 -
7882 - if (!isset($pages[$page_number - 1])) {
7883 - return new WP_Error('page_not_found', 'Page ' . $page_number . ' not found in PDF');
7884 - }
7885 -
7886 - $text = $pages[$page_number - 1]->getText();
7887 -
7888 - if (empty($text)) {
7889 - return new WP_Error('empty_page', 'Page ' . $page_number . ': No text could be extracted — page may contain only images, links, or non-standard encoding');
7890 - }
7891 -
7892 - $sanitized = $this->mxchat_sanitize_content_for_api($text);
7893 -
7894 - if (empty($sanitized)) {
7895 - 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');
7896 - }
7897 -
7898 - // Create metadata
7899 - $metadata = array(
7900 - 'document_type' => 'pdf',
7901 - 'total_pages' => $total_pages,
7902 - 'current_page' => $page_number,
7903 - 'source_url' => $pdf_url
7904 - );
7905 -
7906 - $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized;
7907 - $page_url = esc_url($pdf_url . "#page=" . $page_number);
7908 -
7909 - // Get bot-specific API key
7910 - $bot_options = $this->get_bot_options($bot_id);
7911 - $options = !empty($bot_options) ? $bot_options : get_option('mxchat_options');
7912 - $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
7913 -
7914 - if (strpos($selected_model, 'voyage') === 0) {
7915 - $api_key = $options['voyage_api_key'] ?? '';
7916 - } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
7917 - $api_key = $options['gemini_api_key'] ?? '';
7918 - } else {
7919 - $api_key = $options['api_key'] ?? '';
7920 - }
7921 -
7922 - if (empty($api_key)) {
7923 - return new WP_Error('no_api_key', 'API key not configured for bot: ' . $bot_id);
7924 - }
7925 -
7926 - // Submit to database - UPDATED 2.5.6: Added content_type 'pdf'
7927 - $result = MxChat_Utils::submit_content_to_db(
7928 - $content_with_metadata,
7929 - $page_url,
7930 - $api_key,
7931 - null,
7932 - $bot_id,
7933 - 'pdf'
7934 - );
7935 -
7936 - return $result;
7937 -
7938 - } catch (Exception $e) {
7939 - return new WP_Error('pdf_parse_error', 'Error parsing PDF: ' . $e->getMessage());
7940 - }
7941 -}
7942 -
7943 -/**
7944 - * AJAX: Get queue processing status
7945 - */
7946 -public function ajax_mxchat_get_queue_status() {
7947 - // Verify nonce and permissions
7948 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
7949 -
7950 - if (!current_user_can('manage_options')) {
7951 - wp_send_json_error('Unauthorized access');
7952 - }
7953 -
7954 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
7955 -
7956 - if (empty($queue_id)) {
7957 - wp_send_json_error('Missing queue ID');
7958 - }
7959 -
7960 - global $wpdb;
7961 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
7962 -
7963 - // Get counts by status
7964 - $counts = $wpdb->get_results($wpdb->prepare(
7965 - "SELECT status, COUNT(*) as count
7966 - FROM $table_name
7967 - WHERE queue_id = %s
7968 - GROUP BY status",
7969 - $queue_id
7970 - ), OBJECT_K);
7971 -
7972 - $total = 0;
7973 - $completed = 0;
7974 - $failed = 0;
7975 - $processing = 0;
7976 - $pending = 0;
7977 -
7978 - foreach ($counts as $status => $data) {
7979 - $count = absint($data->count);
7980 - $total += $count;
7981 -
7982 - switch ($status) {
7983 - case 'completed':
7984 - $completed = $count;
7985 - break;
7986 - case 'failed':
7987 - $failed = $count;
7988 - break;
7989 - case 'processing':
7990 - $processing = $count;
7991 - break;
7992 - case 'pending':
7993 - $pending = $count;
7994 - break;
7995 - }
7996 - }
7997 -
7998 - // Calculate percentage
7999 - $percentage = $total > 0 ? round((($completed + $failed) / $total) * 100) : 0;
8000 -
8001 - // Get failed items details (include all failed items, not just those that exhausted retries)
8002 - $failed_items = array();
8003 - if ($failed > 0) {
8004 - $failed_items = $wpdb->get_results($wpdb->prepare(
8005 - "SELECT item_type, item_data, error_message, attempts
8006 - FROM $table_name
8007 - WHERE queue_id = %s
8008 - AND status = 'failed'
8009 - ORDER BY id DESC
8010 - LIMIT 50",
8011 - $queue_id
8012 - ));
8013 - }
8014 -
8015 - // Get queue metadata
8016 - $source_url = $this->mxchat_get_queue_meta($queue_id, 'source_url');
8017 - $queue_type = $this->mxchat_get_queue_meta($queue_id, 'queue_type');
8018 -
8019 - // Determine if queue is complete
8020 - $is_complete = ($pending === 0 && $processing === 0);
8021 -
8022 - wp_send_json_success(array(
8023 - 'queue_id' => $queue_id,
8024 - 'queue_type' => $queue_type,
8025 - 'source_url' => $source_url,
8026 - 'total' => $total,
8027 - 'completed' => $completed,
8028 - 'failed' => $failed,
8029 - 'processing' => $processing,
8030 - 'pending' => $pending,
8031 - 'percentage' => $percentage,
8032 - 'is_complete' => $is_complete,
8033 - 'failed_items' => $failed_items,
8034 - 'status' => $is_complete ? 'complete' : 'processing'
8035 - ));
8036 -}
8037 -
8038 -/**
8039 - * AJAX: Clear completed queue
8040 - */
8041 -public function ajax_mxchat_clear_queue() {
8042 - // Verify nonce and permissions
8043 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8044 -
8045 - if (!current_user_can('manage_options')) {
8046 - wp_send_json_error('Unauthorized access');
8047 - }
8048 -
8049 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8050 -
8051 - if (empty($queue_id)) {
8052 - wp_send_json_error('Missing queue ID');
8053 - }
8054 -
8055 - global $wpdb;
8056 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8057 - $meta_table = $wpdb->prefix . 'mxchat_queue_meta';
8058 -
8059 - // Delete queue items
8060 - $wpdb->delete(
8061 - $table_name,
8062 - array('queue_id' => $queue_id),
8063 - array('%s')
8064 - );
8065 -
8066 - // Delete queue metadata
8067 - $wpdb->delete(
8068 - $meta_table,
8069 - array('queue_id' => $queue_id),
8070 - array('%s')
8071 - );
8072 -
8073 - wp_send_json_success(array(
8074 - 'message' => 'Queue cleared successfully'
8075 - ));
8076 -}
8077 -
8078 -/**
8079 - * AJAX: Retry failed items in queue
8080 - */
8081 -public function ajax_mxchat_retry_failed() {
8082 - // Verify nonce and permissions
8083 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8084 -
8085 - if (!current_user_can('manage_options')) {
8086 - wp_send_json_error('Unauthorized access');
8087 - }
8088 -
8089 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8090 -
8091 - if (empty($queue_id)) {
8092 - wp_send_json_error('Missing queue ID');
8093 - }
8094 -
8095 - global $wpdb;
8096 - $table_name = $wpdb->prefix . 'mxchat_processing_queue';
8097 -
8098 - // Reset failed items to pending and reset attempt count
8099 - $updated = $wpdb->update(
8100 - $table_name,
8101 - array(
8102 - 'status' => 'pending',
8103 - 'attempts' => 0,
8104 - 'error_message' => null
8105 - ),
8106 - array(
8107 - 'queue_id' => $queue_id,
8108 - 'status' => 'failed'
8109 - ),
8110 - array('%s', '%d', '%s'),
8111 - array('%s', '%s')
8112 - );
8113 -
8114 - wp_send_json_success(array(
8115 - 'message' => 'Reset ' . $updated . ' failed items for retry',
8116 - 'reset_count' => $updated
8117 - ));
8118 -}
8119 -
8120 -
8121 -public function ajax_mxchat_mark_queue_complete() {
8122 - check_ajax_referer('mxchat_queue_nonce', 'nonce');
8123 -
8124 - if (!current_user_can('manage_options')) {
8125 - wp_send_json_error('Unauthorized access');
8126 - }
8127 -
8128 - $queue_id = isset($_POST['queue_id']) ? sanitize_text_field($_POST['queue_id']) : '';
8129 -
8130 - if (empty($queue_id)) {
8131 - wp_send_json_error('Missing queue ID');
8132 - }
8133 -
8134 - // Clear active queue transients
8135 - if (strpos($queue_id, 'sitemap_') === 0) {
8136 - delete_transient('mxchat_active_queue_sitemap');
8137 - } else if (strpos($queue_id, 'pdf_') === 0) {
8138 - delete_transient('mxchat_active_queue_pdf');
8139 - }
8140 -
8141 - wp_send_json_success(array('message' => 'Queue marked as complete'));
8142 -}
8143 -
8144 -
8145 - // ========================================
8146 - // STATIC ACCESS METHODS
8147 - // ========================================
8148 -
8149 - /**
8150 - * Get singleton instance
8151 - */
8152 - public static function get_instance() {
8153 - static $instance = null;
8154 - if ($instance === null) {
8155 - $instance = new self();
8156 - }
8157 - return $instance;
8158 - }
8159 -}
8160 -
8161 -// Initialize the Knowledge manager
1 +<?php
2 +/**
3 + * File: admin/class-knowledge-manager.php
4 + *
5 + * Handles all knowledge base content processing for MxChat
6 + * Including PDF, sitemap, content processing, and WordPress post management
7 + */
8 +if (!defined('ABSPATH')) {
9 + exit; // Exit if accessed directly
10 +}
11 +
12 +class MxChat_Knowledge_Manager {
13 +
14 + private $options;
15 +
16 + /**
17 + * Constructor - Register hooks for content processing
18 + */
19 + public function __construct() {
20 + $this->options = get_option('mxchat_options', array());
21 + $this->mxchat_init_hooks();
22 + }
23 +
24 + /**
25 + * Initialize WordPress hooks for content processing
26 + */
27 + private function mxchat_init_hooks() {
28 + // Admin post handlers for form submissions
29 + add_action('admin_post_mxchat_submit_content', array($this, 'mxchat_handle_content_submission'));
30 + add_action('admin_post_mxchat_submit_sitemap', array($this, 'mxchat_handle_sitemap_submission'));
31 + add_action('admin_post_mxchat_stop_processing', array($this, 'mxchat_stop_processing'));
32 +
33 + // AJAX handlers for real-time processing and status updates
34 + add_action('wp_ajax_mxchat_get_status_updates', array($this, 'mxchat_ajax_get_status_updates'));
35 + add_action('wp_ajax_mxchat_dismiss_completed_status', array($this, 'mxchat_ajax_dismiss_completed_status')); // NEW
36 + add_action('wp_ajax_mxchat_get_content_list', array($this, 'ajax_mxchat_get_content_list'));
37 + add_action('wp_ajax_mxchat_process_selected_content', array($this, 'ajax_mxchat_process_selected_content'));
38 + add_action('wp_ajax_mxchat_manual_batch_process', array($this, 'ajax_manual_batch_process'));
39 + add_action('mxchat_delete_content', array($this, 'mxchat_delete_from_pinecone_by_url'), 10, 1);
40 +
41 +
42 + // Cron handlers for background processing
43 + add_action('mxchat_process_sitemap_urls', array($this, 'mxchat_process_sitemap_urls_cron'), 10, 5);
44 + add_action('mxchat_process_pdf_pages', array($this, 'mxchat_process_pdf_pages_cron'), 10, 5);
45 +
46 + // WordPress post management hooks
47 + add_action('post_updated', array($this, 'mxchat_handle_post_update'), 10, 3);
48 + add_action('before_delete_post', array($this, 'mxchat_handle_post_delete'));
49 + add_action('wp_trash_post', array($this, 'mxchat_handle_post_delete'));
50 + add_action('wp_ajax_mxchat_save_inline_prompt', array($this, 'mxchat_save_inline_prompt'));
51 + add_action('admin_post_mxchat_delete_pinecone_prompt', array($this, 'mxchat_handle_pinecone_prompt_delete'));
52 + add_action('wp_ajax_mxchat_delete_pinecone_prompt', array($this, 'ajax_mxchat_delete_pinecone_prompt'));
53 +
54 + // WooCommerce product hooks (if WooCommerce is active)
55 + if (class_exists('WooCommerce')) {
56 + add_action('save_post_product', array($this, 'mxchat_handle_product_change'), 10, 3);
57 + add_action('wp_trash_post', array($this, 'mxchat_handle_product_delete'));
58 + add_action('before_delete_post', array($this, 'mxchat_handle_product_delete'));
59 + }
60 +
61 + }
62 +
63 + /**
64 + * Get current options (refreshed)
65 + */
66 + private function mxchat_get_options() {
67 + if (empty($this->options)) {
68 + $this->options = get_option('mxchat_options', array());
69 + }
70 + return $this->options;
71 + }
72 +
73 +
74 + /**
75 + * Handle manual batch processing via AJAX
76 + */
77 +public function ajax_manual_batch_process() {
78 + try {
79 + // Verify nonce and permissions
80 + check_ajax_referer('mxchat_status_nonce', 'nonce');
81 +
82 + if (!current_user_can('manage_options')) {
83 + wp_send_json_error('Unauthorized access');
84 + }
85 +
86 + $process_type = sanitize_text_field($_POST['process_type'] ?? '');
87 + $url = sanitize_text_field($_POST['url'] ?? '');
88 +
89 + if (empty($process_type) || empty($url)) {
90 + wp_send_json_error('Missing required parameters');
91 + }
92 +
93 + $processed = 0;
94 +
95 + if ($process_type === 'pdf') {
96 + $processed = $this->mxchat_manual_process_pdf_batch($url);
97 + } elseif ($process_type === 'sitemap') {
98 + $processed = $this->mxchat_manual_process_sitemap_batch($url);
99 + }
100 +
101 + if ($processed > 0) {
102 + wp_send_json_success(array(
103 + 'message' => "Processed {$processed} items successfully",
104 + 'processed' => $processed
105 + ));
106 + } else {
107 + wp_send_json_error('No items were processed');
108 + }
109 +
110 + } catch (Exception $e) {
111 + //error_log('Manual batch process error: ' . $e->getMessage());
112 + wp_send_json_error('Processing failed: ' . $e->getMessage());
113 + }
114 +}
115 +
116 +/**
117 + * Process a small PDF batch manually - DIRECT PROCESSING
118 + */
119 +private function mxchat_manual_process_pdf_batch($pdf_url) {
120 + try {
121 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
122 + $status = get_transient($status_key);
123 +
124 + if (!$status || $status['status'] !== 'processing') {
125 + //error_log('Manual PDF: No processing status found');
126 + return 0;
127 + }
128 +
129 + //error_log('Manual PDF: Starting direct processing for ' . $pdf_url);
130 +
131 + // Get current progress
132 + $current_page = $status['processed_pages'] ?? 0;
133 + $total_pages = $status['total_pages'] ?? 0;
134 +
135 + if ($current_page >= $total_pages) {
136 + //error_log('Manual PDF: Already completed');
137 + return 0;
138 + }
139 +
140 + // Try to download the PDF again for processing
141 + $response = wp_remote_get($pdf_url, array('timeout' => 30));
142 +
143 + if (is_wp_error($response)) {
144 + //error_log('Manual PDF: Failed to download PDF: ' . $response->get_error_message());
145 + return 0;
146 + }
147 +
148 + $pdf_content = wp_remote_retrieve_body($response);
149 + if (empty($pdf_content)) {
150 + //error_log('Manual PDF: Empty PDF content');
151 + return 0;
152 + }
153 +
154 + // Save PDF temporarily
155 + $upload_dir = wp_upload_dir();
156 + $temp_pdf_path = trailingslashit($upload_dir['path']) . 'temp_manual_' . time() . '.pdf';
157 + file_put_contents($temp_pdf_path, $pdf_content);
158 +
159 + // Process 2 pages directly
160 + $processed = $this->mxchat_process_pdf_pages_direct($temp_pdf_path, $pdf_url, $current_page, 5);
161 +
162 + // Clean up temp file
163 + if (file_exists($temp_pdf_path)) {
164 + wp_delete_file($temp_pdf_path);
165 + }
166 +
167 + //error_log('Manual PDF: Processed ' . $processed . ' pages');
168 + return $processed;
169 +
170 + } catch (Exception $e) {
171 + //error_log('Manual PDF batch error: ' . $e->getMessage());
172 + return 0;
173 + }
174 +}
175 +
176 +/**
177 + * Process PDF pages directly without cron
178 + */
179 +private function mxchat_process_pdf_pages_direct($pdf_path, $pdf_url, $start_page, $batch_size) {
180 + try {
181 + if (!file_exists($pdf_path)) {
182 + //error_log('Direct PDF: File not found at ' . $pdf_path);
183 + return 0;
184 + }
185 +
186 + $parser = new \Smalot\PdfParser\Parser();
187 + $pdf = $parser->parseFile($pdf_path);
188 + $pages = $pdf->getPages();
189 +
190 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
191 + $status = get_transient($status_key);
192 +
193 + if (!$status) {
194 + return 0;
195 + }
196 +
197 + $options = get_option('mxchat_options');
198 + $api_key = $options['api_key'] ?? '';
199 +
200 + if (empty($api_key)) {
201 + //error_log('Direct PDF: No API key');
202 + return 0;
203 + }
204 +
205 + $processed = 0;
206 + $end_page = min($start_page + $batch_size, count($pages));
207 +
208 + for ($i = $start_page; $i < $end_page; $i++) {
209 + try {
210 + $page_number = $i + 1;
211 + $text = $pages[$i]->getText();
212 +
213 + if (empty($text)) {
214 + //error_log('Direct PDF: Empty text on page ' . $page_number);
215 + continue;
216 + }
217 +
218 + $sanitized_content = $this->mxchat_sanitize_content_for_api($text);
219 + if (empty($sanitized_content)) {
220 + //error_log('Direct PDF: No content after sanitization on page ' . $page_number);
221 + continue;
222 + }
223 +
224 + // Generate embedding
225 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content);
226 + if (is_string($embedding_vector)) {
227 + //error_log('Direct PDF: Embedding failed on page ' . $page_number . ': ' . $embedding_vector);
228 + continue;
229 + }
230 +
231 + // Create metadata
232 + $metadata = array(
233 + 'document_type' => 'pdf',
234 + 'total_pages' => count($pages),
235 + 'current_page' => $page_number,
236 + 'source_url' => $pdf_url
237 + );
238 +
239 + $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized_content;
240 + $page_url = esc_url($pdf_url . "#page=" . $page_number);
241 +
242 + // Store in database
243 + $db_result = MxChat_Utils::submit_content_to_db($content_with_metadata, $page_url, $api_key);
244 +
245 + if (is_wp_error($db_result)) {
246 + //error_log('Direct PDF: DB error on page ' . $page_number . ': ' . $db_result->get_error_message());
247 + continue;
248 + }
249 +
250 + $processed++;
251 + //error_log('Direct PDF: Successfully processed page ' . $page_number);
252 +
253 + // Update status
254 + $status['processed_pages'] = $i + 1;
255 + $status['last_update'] = time();
256 + $status['percentage'] = round(($status['processed_pages'] / $status['total_pages']) * 100);
257 + set_transient($status_key, $status, DAY_IN_SECONDS);
258 +
259 + } catch (Exception $e) {
260 + //error_log('Direct PDF: Error processing page ' . ($i + 1) . ': ' . $e->getMessage());
261 + continue;
262 + }
263 + }
264 +
265 + // Check if completed
266 + if ($status['processed_pages'] >= $status['total_pages']) {
267 + $status['status'] = 'complete';
268 + set_transient($status_key, $status, DAY_IN_SECONDS);
269 + //error_log('Direct PDF: Processing completed');
270 + }
271 +
272 + return $processed;
273 +
274 + } catch (Exception $e) {
275 + //error_log('Direct PDF processing error: ' . $e->getMessage());
276 + return 0;
277 + }
278 +}
279 +
280 +/**
281 + * Process a small sitemap batch manually - DIRECT PROCESSING
282 + */
283 +private function mxchat_manual_process_sitemap_batch($sitemap_url) {
284 + try {
285 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
286 + $status = get_transient($status_key);
287 +
288 + if (!$status || $status['status'] !== 'processing') {
289 + return 0;
290 + }
291 +
292 + //error_log('Manual Sitemap: Starting direct processing for ' . $sitemap_url);
293 +
294 + // Re-fetch the sitemap to get URLs
295 + $response = wp_remote_get($sitemap_url, array('timeout' => 30));
296 + if (is_wp_error($response)) {
297 + //error_log('Manual Sitemap: Failed to fetch sitemap');
298 + return 0;
299 + }
300 +
301 + $sitemap_content = wp_remote_retrieve_body($response);
302 + $xml = simplexml_load_string($sitemap_content);
303 +
304 + if (!$xml) {
305 + //error_log('Manual Sitemap: Invalid XML');
306 + return 0;
307 + }
308 +
309 + $urls = array();
310 + foreach ($xml->url as $url_element) {
311 + $urls[] = (string)$url_element->loc;
312 + }
313 +
314 + $current_processed = $status['processed_urls'] ?? 0;
315 + $batch_size = 50;
316 + $processed = 0;
317 +
318 + // Process next 2 URLs
319 + for ($i = $current_processed; $i < min($current_processed + $batch_size, count($urls)); $i++) {
320 + $url = $urls[$i];
321 +
322 + if ($this->mxchat_process_single_url_direct($url)) {
323 + $processed++;
324 + }
325 +
326 + // Update status
327 + $status['processed_urls'] = $i + 1;
328 + $status['last_update'] = time();
329 + $status['percentage'] = round(($status['processed_urls'] / $status['total_urls']) * 100);
330 + set_transient($status_key, $status, DAY_IN_SECONDS);
331 + }
332 +
333 + // Check if completed
334 + if ($status['processed_urls'] >= $status['total_urls']) {
335 + $status['status'] = 'complete';
336 + set_transient($status_key, $status, DAY_IN_SECONDS);
337 + }
338 +
339 + //error_log('Manual Sitemap: Processed ' . $processed . ' URLs');
340 + return $processed;
341 +
342 + } catch (Exception $e) {
343 + //error_log('Manual sitemap batch error: ' . $e->getMessage());
344 + return 0;
345 + }
346 +}
347 +
348 +/**
349 + * Process a single URL directly
350 + */
351 +private function mxchat_process_single_url_direct($url) {
352 + try {
353 + $response = wp_remote_get($url, array('timeout' => 30));
354 + if (is_wp_error($response)) {
355 + return false;
356 + }
357 +
358 + $html = wp_remote_retrieve_body($response);
359 + $content = $this->mxchat_extract_main_content($html);
360 + $sanitized = $this->mxchat_sanitize_content_for_api($content);
361 +
362 + if (empty($sanitized)) {
363 + return false;
364 + }
365 +
366 + $options = get_option('mxchat_options');
367 + $api_key = $options['api_key'] ?? '';
368 +
369 + $result = MxChat_Utils::submit_content_to_db($sanitized, $url, $api_key);
370 +
371 + return !is_wp_error($result);
372 +
373 + } catch (Exception $e) {
374 + //error_log('Single URL processing error: ' . $e->getMessage());
375 + return false;
376 + }
377 +}
378 +
379 +
380 + // ========================================
381 + // MAIN CONTENT SUBMISSION HANDLERS
382 + // ========================================
383 +
384 +public function mxchat_handle_content_submission() {
385 + // Check if the form was submitted and the user has permission.
386 + if (!isset($_POST['submit_content']) || !current_user_can('manage_options')) {
387 + return;
388 + }
389 +
390 + // Verify the nonce.
391 + $nonce = isset($_POST['mxchat_submit_content_nonce']) ? sanitize_text_field(wp_unslash($_POST['mxchat_submit_content_nonce'])) : '';
392 + if (!wp_verify_nonce($nonce, 'mxchat_submit_content_action')) {
393 + wp_die(esc_html__('Nonce verification failed.', 'mxchat'));
394 + }
395 +
396 + // Sanitize the inputs.
397 + $article_content = sanitize_textarea_field($_POST['article_content']);
398 + $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
399 +
400 + // Get API key for submission
401 + $options = get_option('mxchat_options');
402 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
403 +
404 + if (strpos($selected_model, 'voyage') === 0) {
405 + $api_key = $options['voyage_api_key'] ?? '';
406 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
407 + $api_key = $options['gemini_api_key'] ?? '';
408 + } else {
409 + $api_key = $options['api_key'] ?? '';
410 + }
411 +
412 + if (empty($api_key)) {
413 + set_transient('mxchat_admin_notice_error',
414 + esc_html__('API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
415 + 30
416 + );
417 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
418 + exit;
419 + }
420 +
421 + // Use centralized utility function for storage
422 + $result = MxChat_Utils::submit_content_to_db($article_content, $article_url, $api_key);
423 +
424 + if (is_wp_error($result)) {
425 + set_transient('mxchat_admin_notice_error',
426 + esc_html__('Error storing content: ', 'mxchat') . $result->get_error_message(),
427 + 30
428 + );
429 + } else {
430 + set_transient('mxchat_admin_notice_success',
431 + esc_html__('Content successfully submitted!', 'mxchat'),
432 + 30
433 + );
434 + }
435 +
436 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
437 + exit;
438 +}
439 +public function mxchat_is_pdf_url($url, $response) {
440 + $content_type = wp_remote_retrieve_header($response, 'content-type');
441 + $file_extension = strtolower(pathinfo($url, PATHINFO_EXTENSION));
442 +
443 + return strpos($content_type, 'pdf') !== false || $file_extension === 'pdf';
444 +}
445 +public function mxchat_handle_pdf_for_knowledge_base($pdf_url, $response) {
446 + if (!current_user_can('manage_options')) {
447 + //error_log(esc_html__('Unauthorized PDF processing attempt', 'mxchat'));
448 + return false;
449 + }
450 +
451 + $pdf_url = esc_url_raw($pdf_url);
452 + $upload_dir = wp_upload_dir();
453 +
454 + if (isset($upload_dir['error']) && $upload_dir['error'] !== false) {
455 + //error_log(sprintf(esc_html__('Upload directory error: %s', 'mxchat'), esc_html($upload_dir['error'])));
456 + return false;
457 + }
458 +
459 + $pdf_filename = sanitize_file_name('mxchat_kb_' . time() . '.pdf');
460 + $pdf_path = trailingslashit($upload_dir['path']) . $pdf_filename;
461 +
462 + $response_body = wp_remote_retrieve_body($response);
463 + if (empty($response_body)) {
464 + //error_log(esc_html__('Empty PDF response body', 'mxchat'));
465 + return false;
466 + }
467 +
468 + if (!wp_mkdir_p(dirname($pdf_path))) {
469 + //error_log(sprintf(esc_html__('Failed to create directory for PDF: %s', 'mxchat'), esc_html($pdf_path)));
470 + return false;
471 + }
472 +
473 + try {
474 + file_put_contents($pdf_path, $response_body);
475 +
476 + if (!file_exists($pdf_path)) {
477 + throw new Exception(__('Failed to save PDF file', 'mxchat'));
478 + }
479 +
480 + $parser = new \Smalot\PdfParser\Parser();
481 + $pdf = $parser->parseFile($pdf_path);
482 + $total_pages = absint(count($pdf->getPages()));
483 +
484 + if ($total_pages < 1) {
485 + throw new Exception(__('Invalid PDF: no pages found', 'mxchat'));
486 + }
487 +
488 + wp_schedule_single_event(time(), 'mxchat_process_pdf_pages', array(
489 + 'pdf_path' => $pdf_path,
490 + 'pdf_url' => $pdf_url,
491 + 'total_pages' => $total_pages,
492 + 'batch_size' => absint(15),
493 + 'batch_pause' => absint(10)
494 + ));
495 +
496 + $status_data = array(
497 + 'total_pages' => $total_pages,
498 + 'processed_pages' => 0,
499 + 'status' => 'processing',
500 + 'last_update' => time()
501 + );
502 +
503 + set_transient(
504 + sanitize_key('mxchat_pdf_status_' . md5($pdf_url)),
505 + array_map('sanitize_text_field', $status_data),
506 + DAY_IN_SECONDS
507 + );
508 +
509 + return __('scheduled', 'mxchat');
510 +
511 + } catch (Exception $e) {
512 + //error_log(sprintf(esc_html__('Error preparing PDF for processing: %s', 'mxchat'), esc_html($e->getMessage())));
513 + if (file_exists($pdf_path)) {
514 + wp_delete_file($pdf_path);
515 + }
516 + return false;
517 + }
518 +}
519 +
520 +public function mxchat_process_pdf_pages_cron($pdf_path, $pdf_url, $total_pages, $batch_size, $batch_pause) {
521 + // Validate inputs
522 + $pdf_path = sanitize_text_field($pdf_path);
523 + $pdf_url = esc_url_raw($pdf_url);
524 + $total_pages = absint($total_pages);
525 + $batch_size = absint($batch_size);
526 + $batch_pause = absint($batch_pause);
527 +
528 + try {
529 + if (!file_exists($pdf_path)) {
530 + throw new Exception(sprintf('PDF file not found at path: %s', esc_html($pdf_path)));
531 + }
532 +
533 + $parser = new \Smalot\PdfParser\Parser();
534 + $pdf = $parser->parseFile($pdf_path);
535 + $pages = $pdf->getPages();
536 +
537 + // Get current progress
538 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
539 + $status = get_transient($status_key);
540 +
541 + if (!$status || !is_array($status)) {
542 + throw new Exception('Invalid status data retrieved from transient');
543 + }
544 +
545 + // Initialize failed pages list if it doesn't exist
546 + if (!isset($status['failed_pages_list']) || !is_array($status['failed_pages_list'])) {
547 + $status['failed_pages_list'] = [];
548 + }
549 +
550 + $start_page = absint($status['processed_pages']);
551 + $end_page = min($start_page + $batch_size, $total_pages);
552 + $options = get_option('mxchat_options');
553 +
554 + if (empty($options['api_key'])) {
555 + throw new Exception('API key is missing or invalid');
556 + }
557 +
558 + $successful_pages = 0;
559 + $failed_pages = 0;
560 +
561 + for ($i = $start_page; $i < $end_page; $i++) {
562 + $page_number = $i + 1;
563 + $max_retries = 3;
564 + $retry_count = 0;
565 + $page_processed = false;
566 + $last_error = '';
567 +
568 + while (!$page_processed && $retry_count < $max_retries) {
569 + try {
570 + $text = $pages[$i]->getText();
571 +
572 + if (empty($text)) {
573 + throw new Exception("Empty text on page {$page_number}");
574 + }
575 +
576 + $sanitized_content = $this->mxchat_sanitize_content_for_api($text);
577 +
578 + if (empty($sanitized_content)) {
579 + throw new Exception("No valid content after sanitization on page {$page_number}");
580 + }
581 +
582 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content);
583 +
584 + if (is_string($embedding_vector)) {
585 + throw new Exception("Embedding generation failed: " . $embedding_vector);
586 + }
587 +
588 + if (!is_array($embedding_vector)) {
589 + throw new Exception("Embedding generation returned unexpected result type: " . gettype($embedding_vector));
590 + }
591 +
592 + $metadata = array(
593 + 'document_type' => 'pdf',
594 + 'total_pages' => $total_pages,
595 + 'current_page' => $page_number,
596 + 'prev_page' => $i > 0 ? $i : null,
597 + 'next_page' => $i < ($total_pages - 1) ? $i + 2 : null,
598 + 'source_url' => $pdf_url
599 + );
600 +
601 + $content_with_metadata = wp_json_encode($metadata) . "\n---\n" . $sanitized_content;
602 + $page_url = esc_url($pdf_url . "#page=" . $page_number);
603 +
604 + $db_result = MxChat_Utils::submit_content_to_db($content_with_metadata, $page_url, $options['api_key']);
605 +
606 + if (is_wp_error($db_result)) {
607 + throw new Exception("Database submission failed: " . $db_result->get_error_message());
608 + }
609 +
610 + // Success!
611 + $page_processed = true;
612 + $successful_pages++;
613 +
614 + } catch (Exception $e) {
615 + $retry_count++;
616 + $last_error = $e->getMessage();
617 +
618 + //error_log("PDF page {$page_number} failed (attempt {$retry_count}/{$max_retries}): " . $last_error);
619 +
620 + if ($retry_count < $max_retries) {
621 + // Wait before retry (exponential backoff: 1s, 2s, 4s)
622 + sleep(pow(2, $retry_count - 1));
623 + }
624 + }
625 + }
626 +
627 + // If page still not processed after all retries, mark as failed
628 + if (!$page_processed) {
629 + $failed_pages++;
630 + $status['failed_pages_list'][] = [
631 + 'page' => $page_number,
632 + 'error' => $last_error,
633 + 'time' => time(),
634 + 'retries' => $max_retries
635 + ];
636 +
637 + // Limit failed pages list to prevent memory issues
638 + if (count($status['failed_pages_list']) > 50) {
639 + $status['failed_pages_list'] = array_slice($status['failed_pages_list'], -50);
640 + }
641 +
642 + //error_log("PDF page {$page_number} permanently failed after {$max_retries} attempts: " . $last_error);
643 + }
644 +
645 + // Update progress
646 + $status['processed_pages'] = absint($page_number);
647 + $status['last_update'] = time();
648 + $status['failed_pages'] = absint($status['failed_pages'] ?? 0) + ($page_processed ? 0 : 1);
649 +
650 + set_transient($status_key, array_map('sanitize_text_field', $status), DAY_IN_SECONDS);
651 + }
652 +
653 + // Schedule next batch if needed
654 + if ($end_page < $total_pages) {
655 + wp_schedule_single_event(time() + $batch_pause, 'mxchat_process_pdf_pages', array(
656 + 'pdf_path' => $pdf_path,
657 + 'pdf_url' => $pdf_url,
658 + 'total_pages' => $total_pages,
659 + 'batch_size' => $batch_size,
660 + 'batch_pause' => $batch_pause
661 + ));
662 + } else {
663 + // Processing complete
664 + $status['status'] = 'complete';
665 + $status['processed_pages'] = $total_pages;
666 +
667 + // Add completion summary
668 + $status['completion_summary'] = [
669 + 'total_pages' => $total_pages,
670 + 'successful_pages' => $total_pages - absint($status['failed_pages'] ?? 0),
671 + 'failed_pages' => absint($status['failed_pages'] ?? 0),
672 + 'completion_time' => current_time('mysql')
673 + ];
674 +
675 + // Save the completed status (don't delete it - let user dismiss manually)
676 + set_transient($status_key, array_map('sanitize_text_field', $status), DAY_IN_SECONDS);
677 +
678 + // Clean up the temporary PDF file
679 + if (file_exists($pdf_path)) {
680 + wp_delete_file($pdf_path);
681 + }
682 +
683 + // DON'T delete the status transients here - let user dismiss manually
684 + }
685 +
686 + } catch (\Exception $e) {
687 + //error_log(sprintf('[MXCHAT-PDF] Error processing PDF: %s', $e->getMessage()));
688 +
689 + $status_key = sanitize_key('mxchat_pdf_status_' . md5($pdf_url));
690 + $status = get_transient($status_key);
691 +
692 + if (!$status || !is_array($status)) {
693 + $status = array(
694 + 'total_pages' => $total_pages,
695 + 'processed_pages' => 0,
696 + 'status' => 'error',
697 + 'error' => sanitize_text_field($e->getMessage()),
698 + 'last_update' => time()
699 + );
700 + } else {
701 + $status['status'] = 'error';
702 + $status['error'] = sanitize_text_field($e->getMessage());
703 + $status['last_update'] = time();
704 + }
705 +
706 + set_transient($status_key, array_map('sanitize_text_field', $status), DAY_IN_SECONDS);
707 +
708 + if (file_exists($pdf_path)) {
709 + wp_delete_file($pdf_path);
710 + }
711 + }
712 +}
713 +
714 +public function mxchat_save_inline_prompt() {
715 + // DEBUG: Log what we're receiving
716 + error_log('=== MXCHAT DEBUG ===');
717 + error_log('POST data: ' . print_r($_POST, true));
718 + error_log('Nonce from POST: ' . ($_POST['_ajax_nonce'] ?? 'NOT FOUND'));
719 +
720 + // Check for nonce security
721 + check_ajax_referer('mxchat_save_inline_nonce', '_ajax_nonce');
722 +
723 + // If we get here, nonce passed
724 + error_log('Nonce verification PASSED');
725 +
726 + // Verify permissions
727 + if (!current_user_can('manage_options')) {
728 + wp_send_json_error(esc_html__('Permission denied.', 'mxchat'));
729 + return;
730 + }
731 +
732 + global $wpdb;
733 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
734 +
735 + // Validate and sanitize input data
736 + $prompt_id = isset($_POST['id']) ? absint($_POST['id']) : 0;
737 + $article_content = isset($_POST['article_content']) ? sanitize_textarea_field($_POST['article_content']) : '';
738 + $article_url = isset($_POST['article_url']) ? esc_url_raw($_POST['article_url']) : '';
739 +
740 + if ($prompt_id > 0 && !empty($article_content)) {
741 + // Re-generate the embedding vector for the updated content
742 + $embedding_vector = $this->mxchat_generate_embedding($article_content);
743 +
744 + if (is_array($embedding_vector)) {
745 + // Serialize the embedding vector before storing it
746 + $embedding_vector_serialized = serialize($embedding_vector);
747 +
748 + // Update the prompt in the database
749 + $updated = $wpdb->update(
750 + $table_name,
751 + array(
752 + 'article_content' => $article_content,
753 + 'embedding_vector' => $embedding_vector_serialized,
754 + 'source_url' => $article_url,
755 + ),
756 + array('id' => $prompt_id),
757 + array('%s', '%s', '%s'),
758 + array('%d')
759 + );
760 +
761 + if ($updated !== false) {
762 + wp_send_json_success();
763 + } else {
764 + wp_send_json_error(esc_html__('Database update failed.', 'mxchat'));
765 + }
766 + } else {
767 + wp_send_json_error(esc_html__('Embedding generation failed.', 'mxchat'));
768 + }
769 + } else {
770 + wp_send_json_error(esc_html__('Invalid data.', 'mxchat'));
771 + }
772 + }
773 +
774 +
775 +public function mxchat_get_pdf_processing_status($pdf_url) {
776 + $pdf_url = esc_url_raw($pdf_url);
777 + $status = get_transient(sanitize_key('mxchat_pdf_status_' . md5($pdf_url)));
778 +
779 + if (!$status || !is_array($status)) {
780 + return false;
781 + }
782 +
783 + // Check for stalled processing (no updates for 5 minutes)
784 + if ($status['status'] === 'processing' && (time() - absint($status['last_update'])) > 300) {
785 + $status['status'] = 'error';
786 + $status['error'] = __('PDF processing appears to be stalled. No updates for over 5 minutes.', 'mxchat');
787 +
788 + // Save the updated status
789 + set_transient(
790 + sanitize_key('mxchat_pdf_status_' . md5($pdf_url)),
791 + array_map('sanitize_text_field', $status),
792 + DAY_IN_SECONDS
793 + );
794 + }
795 +
796 + $result = array(
797 + 'total_pages' => absint($status['total_pages']),
798 + 'processed_pages' => absint($status['processed_pages']),
799 + 'failed_pages' => absint($status['failed_pages'] ?? 0),
800 + 'percentage' => ($status['total_pages'] > 0)
801 + ? round((absint($status['processed_pages']) / absint($status['total_pages'])) * 100)
802 + : 0,
803 + 'status' => sanitize_text_field($status['status']),
804 + 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
805 + 'failed_pages_list' => isset($status['failed_pages_list']) ? $status['failed_pages_list'] : array(),
806 + 'completion_summary' => isset($status['completion_summary']) ? $status['completion_summary'] : null
807 + );
808 +
809 + // Add error message if present
810 + if (isset($status['error']) && !empty($status['error'])) {
811 + $result['error'] = sanitize_text_field($status['error']);
812 + }
813 +
814 + return $result;
815 +}
816 +
817 +
818 +public function mxchat_handle_sitemap_submission() {
819 + // Start logging the submission process
820 + //error_log('[MXCHAT-URL] ===== Starting URL submission process =====');
821 +
822 + // Check if the form was submitted and verify permissions
823 + if (!isset($_POST['submit_sitemap']) || !current_user_can('manage_options')) {
824 + //error_log('[MXCHAT-URL] Error: Unauthorized access or form not submitted properly');
825 + wp_die(esc_html__('Unauthorized access', 'mxchat'));
826 + }
827 +
828 + // Verify nonce
829 + //error_log('[MXCHAT-URL] Verifying nonce');
830 + check_admin_referer('mxchat_submit_sitemap_action', 'mxchat_submit_sitemap_nonce');
831 +
832 + // Validate URL
833 + if (!isset($_POST['sitemap_url']) || empty($_POST['sitemap_url'])) {
834 + //error_log('[MXCHAT-URL] Error: Empty or missing URL');
835 + set_transient('mxchat_admin_notice_error',
836 + esc_html__('Please provide a valid URL.', 'mxchat'),
837 + 30
838 + );
839 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
840 + exit;
841 + }
842 +
843 + $submitted_url = esc_url_raw($_POST['sitemap_url']);
844 + //error_log('[MXCHAT-URL] Processing URL: ' . $submitted_url);
845 +
846 + // Validate API key first
847 + $options = get_option('mxchat_options');
848 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
849 +
850 + if (strpos($selected_model, 'voyage') === 0) {
851 + $api_key = $options['voyage_api_key'] ?? '';
852 + $provider_name = 'Voyage AI';
853 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
854 + $api_key = $options['gemini_api_key'] ?? '';
855 + $provider_name = 'Google Gemini';
856 + } else {
857 + $api_key = $options['api_key'] ?? '';
858 + $provider_name = 'OpenAI';
859 + }
860 +
861 + if (empty($api_key)) {
862 + $error_message = sprintf(
863 + esc_html__('%s API key is not configured. Please add your API key in the settings before submitting content.', 'mxchat'),
864 + $provider_name
865 + );
866 + //error_log('[MXCHAT-URL] Error: ' . $error_message);
867 + set_transient('mxchat_admin_notice_error', $error_message, 30);
868 + //error_log('[MXCHAT-URL] Set error transient: ' . $error_message);
869 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
870 + exit;
871 + }
872 +
873 + //error_log('[MXCHAT-URL] Fetching URL content');
874 + $response = wp_remote_get($submitted_url, array('timeout' => 30));
875 +
876 + if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
877 + $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP Status: ' . wp_remote_retrieve_response_code($response);
878 + //error_log('[MXCHAT-URL] Error fetching URL: ' . $error_message);
879 + set_transient('mxchat_admin_notice_error',
880 + sprintf(
881 + esc_html__('Failed to fetch the URL: %s', 'mxchat'),
882 + esc_html($error_message)
883 + ),
884 + 30
885 + );
886 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
887 + exit;
888 + }
889 +
890 + $content_type = wp_remote_retrieve_header($response, 'content-type');
891 + //error_log('[MXCHAT-URL] Content type: ' . $content_type);
892 + $body_content = wp_remote_retrieve_body($response);
893 +
894 + if (empty($body_content)) {
895 + //error_log('[MXCHAT-URL] Error: Empty response body');
896 + set_transient('mxchat_admin_notice_error',
897 + esc_html__('Empty response received from URL.', 'mxchat'),
898 + 30
899 + );
900 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
901 + exit;
902 + }
903 + //error_log('[MXCHAT-URL] Retrieved body content length: ' . strlen($body_content) . ' bytes');
904 +
905 + // Handle PDF URL
906 + if ($this->mxchat_is_pdf_url($submitted_url, $response)) {
907 + //error_log('[MXCHAT-URL] Detected PDF URL, handling PDF for knowledge base');
908 + $result = $this->mxchat_handle_pdf_for_knowledge_base($submitted_url, $response);
909 + //error_log('[MXCHAT-URL] PDF handling result: ' . $result);
910 +
911 + if ($result === 'scheduled') {
912 + set_transient(
913 + 'mxchat_last_pdf_url',
914 + sanitize_text_field($submitted_url),
915 + DAY_IN_SECONDS
916 + );
917 + set_transient('mxchat_admin_notice_info',
918 + esc_html__('PDF processing has started in the background. You can check the progress in the Knowledge Base section.', 'mxchat'),
919 + 30
920 + );
921 + } else {
922 + set_transient('mxchat_admin_notice_error',
923 + esc_html__('Failed to start PDF processing: ', 'mxchat') . esc_html($result),
924 + 30
925 + );
926 + }
927 +
928 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
929 + exit;
930 + }
931 +
932 + // Handle Sitemap XML
933 + if (strpos($content_type, 'xml') !== false || strpos($body_content, '<urlset') !== false) {
934 + //error_log('[MXCHAT-URL] Detected XML content, processing as sitemap');
935 + libxml_use_internal_errors(true);
936 + $xml = simplexml_load_string($body_content);
937 + $xml_errors = libxml_get_errors();
938 + libxml_clear_errors();
939 +
940 + if ($xml === false || !empty($xml_errors)) {
941 + //error_log('[MXCHAT-URL] Error: Invalid XML format');
942 + if (!empty($xml_errors)) {
943 + foreach ($xml_errors as $error) {
944 + //error_log('[MXCHAT-URL] XML Error: ' . $error->message);
945 + }
946 + }
947 +
948 + set_transient('mxchat_admin_notice_error',
949 + esc_html__('Invalid sitemap XML. Please provide a valid sitemap.', 'mxchat'),
950 + 30
951 + );
952 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
953 + exit;
954 + }
955 +
956 + //error_log('[MXCHAT-URL] Valid XML found, handling sitemap for knowledge base');
957 + $result = $this->mxchat_handle_sitemap_for_knowledge_base($xml, $submitted_url);
958 + //error_log('[MXCHAT-URL] Sitemap handling result: ' . $result);
959 +
960 + if ($result === 'scheduled') {
961 + set_transient(
962 + 'mxchat_last_sitemap_url',
963 + sanitize_text_field($submitted_url),
964 + DAY_IN_SECONDS
965 + );
966 + set_transient('mxchat_admin_notice_info',
967 + esc_html__('Sitemap processing has started in the background. You can check the progress in the Knowledge Base section.', 'mxchat'),
968 + 30
969 + );
970 + } else {
971 + // Return to the admin page without a redirect for better error display
972 + // The error is already stored in the sitemap status transient
973 + set_transient('mxchat_admin_notice_error',
974 + esc_html__('Failed to start sitemap processing. Please check the status below for details.', 'mxchat'),
975 + 30
976 + );
977 + }
978 +
979 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
980 + exit;
981 + }
982 +
983 + // Handle Regular URL
984 + //error_log('[MXCHAT-URL] Processing as regular webpage');
985 + $page_content = $this->mxchat_extract_main_content($body_content);
986 + //error_log('[MXCHAT-URL] Extracted content length: ' . strlen($page_content) . ' bytes');
987 +
988 + $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
989 + //error_log('[MXCHAT-URL] Sanitized content length: ' . strlen($sanitized_content) . ' bytes');
990 +
991 + if (empty($sanitized_content)) {
992 + //error_log('[MXCHAT-URL] Error: No valid content after sanitization');
993 +
994 + // Set both transients - the error notice and the URL status
995 + set_transient('mxchat_admin_notice_error',
996 + esc_html__('No valid content found on the provided URL.', 'mxchat'),
997 + 30
998 + );
999 +
1000 + // Set URL status transient
1001 + set_transient('mxchat_single_url_status', [
1002 + 'url' => $submitted_url,
1003 + 'timestamp' => current_time('mysql'),
1004 + 'status' => 'failed',
1005 + 'error' => esc_html__('No valid content found on the provided URL.', 'mxchat')
1006 + ], DAY_IN_SECONDS);
1007 +
1008 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1009 + exit;
1010 + }
1011 +
1012 + //error_log('[MXCHAT-URL] Generating embedding for content');
1013 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content);
1014 +
1015 + // Check if embedding_vector is a string (error message)
1016 + if (is_string($embedding_vector)) {
1017 + //error_log('[MXCHAT-URL] Error generating embedding: ' . $embedding_vector);
1018 + $error_message = esc_html__('Failed to generate embedding: ', 'mxchat') . esc_html($embedding_vector);
1019 + //error_log('[MXCHAT-URL] Setting error transient: ' . $error_message);
1020 +
1021 + // Set both transients
1022 + set_transient('mxchat_admin_notice_error', $error_message, 30);
1023 +
1024 + // Set URL status transient
1025 + set_transient('mxchat_single_url_status', [
1026 + 'url' => $submitted_url,
1027 + 'timestamp' => current_time('mysql'),
1028 + 'status' => 'failed',
1029 + 'error' => $error_message
1030 + ], DAY_IN_SECONDS);
1031 +
1032 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1033 + exit;
1034 + }
1035 +
1036 + if (is_array($embedding_vector)) {
1037 + //error_log('[MXCHAT-URL] Successfully generated embedding with ' . count($embedding_vector) . ' dimensions');
1038 +
1039 + $db_result = MxChat_Utils::submit_content_to_db(
1040 + $sanitized_content,
1041 + $submitted_url,
1042 + $api_key
1043 + );
1044 +
1045 + if (is_wp_error($db_result)) {
1046 + //error_log('[MXCHAT-URL] Error: Failed to store content in database: ' . $db_result->get_error_message());
1047 + $error_message = esc_html__('Failed to store content in database: ', 'mxchat') . esc_html($db_result->get_error_message());
1048 + //error_log('[MXCHAT-URL] Setting error transient: ' . $error_message);
1049 +
1050 + // Set both transients
1051 + set_transient('mxchat_admin_notice_error', $error_message, 30);
1052 +
1053 + // Set URL status transient
1054 + set_transient('mxchat_single_url_status', [
1055 + 'url' => $submitted_url,
1056 + 'timestamp' => current_time('mysql'),
1057 + 'status' => 'failed',
1058 + 'error' => $error_message
1059 + ], DAY_IN_SECONDS);
1060 +
1061 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1062 + exit;
1063 + }
1064 +
1065 + //error_log('[MXCHAT-URL] Successfully stored content in database');
1066 + $success_message = esc_html__('URL content successfully submitted!', 'mxchat');
1067 + //error_log('[MXCHAT-URL] Setting success transient: ' . $success_message);
1068 +
1069 + // Set both transients
1070 + set_transient('mxchat_admin_notice_success', $success_message, 30);
1071 +
1072 + // Set URL status transient with success
1073 + set_transient('mxchat_single_url_status', [
1074 + 'url' => $submitted_url,
1075 + 'timestamp' => current_time('mysql'),
1076 + 'status' => 'complete',
1077 + 'content_length' => strlen($sanitized_content),
1078 + 'embedding_dimensions' => count($embedding_vector)
1079 + ], DAY_IN_SECONDS);
1080 +
1081 + } else {
1082 + //error_log('[MXCHAT-URL] Error: Failed to generate embedding. Unexpected result type: ' . gettype($embedding_vector));
1083 + $error_message = esc_html__('Failed to generate embedding: Unexpected result type. Please check your API key and try again.', 'mxchat');
1084 + //error_log('[MXCHAT-URL] Setting error transient: ' . $error_message);
1085 +
1086 + // Set both transients
1087 + set_transient('mxchat_admin_notice_error', $error_message, 30);
1088 +
1089 + // Set URL status transient
1090 + set_transient('mxchat_single_url_status', [
1091 + 'url' => $submitted_url,
1092 + 'timestamp' => current_time('mysql'),
1093 + 'status' => 'failed',
1094 + 'error' => $error_message
1095 + ], DAY_IN_SECONDS);
1096 + }
1097 +
1098 + //error_log('[MXCHAT-URL] ===== Completed URL submission process =====');
1099 + wp_safe_redirect(esc_url(admin_url('admin.php?page=mxchat-prompts')));
1100 + exit;
1101 +}
1102 +public function mxchat_get_single_url_status() {
1103 + $status = get_transient('mxchat_single_url_status');
1104 + if (!$status) {
1105 + return null;
1106 + }
1107 +
1108 + // Add human-readable time
1109 + if (isset($status['timestamp'])) {
1110 + $status['human_time'] = human_time_diff(strtotime($status['timestamp']), current_time('timestamp')) . ' ' . __('ago', 'mxchat');
1111 + }
1112 +
1113 + return $status;
1114 +}
1115 +public function mxchat_handle_sitemap_for_knowledge_base($xml, $sitemap_url) {
1116 + // Clear any single URL status when starting sitemap processing
1117 + delete_transient('mxchat_single_url_status');
1118 + if (!current_user_can('manage_options')) {
1119 + //error_log(esc_html__('Unauthorized sitemap processing attempt', 'mxchat'));
1120 + return false;
1121 + }
1122 +
1123 + try {
1124 + $sitemap_url = esc_url_raw($sitemap_url);
1125 +
1126 + if (!$xml || !is_object($xml)) {
1127 + throw new Exception(__('Invalid XML object provided', 'mxchat'));
1128 + }
1129 +
1130 + // Add embedding validation before processing
1131 + // Test embedding with a small sample text to verify API key is working
1132 + $test_result = $this->mxchat_generate_embedding("This is a test to verify the embedding API key is working.");
1133 +
1134 + // Check if test_result is a string (error message) rather than an array (valid embedding)
1135 + if (is_string($test_result)) {
1136 + //error_log('[MXCHAT-URL] Embedding API validation failed: ' . $test_result);
1137 +
1138 + // Store the error in the status transient so it can be displayed later
1139 + $status_data = array(
1140 + 'total_urls' => 0,
1141 + 'processed_urls' => 0,
1142 + 'status' => 'error',
1143 + 'error' => __('Embedding API validation failed: ', 'mxchat') . $test_result,
1144 + 'last_update' => time()
1145 + );
1146 +
1147 + set_transient(
1148 + sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url)),
1149 + array_map('sanitize_text_field', $status_data),
1150 + DAY_IN_SECONDS
1151 + );
1152 +
1153 + throw new Exception(__('Embedding API validation failed: ', 'mxchat') . $test_result);
1154 + }
1155 +
1156 + // Make sure it's an array (valid embedding)
1157 + if (!is_array($test_result)) {
1158 + //error_log('[MXCHAT-URL] Embedding API returned unexpected result type: ' . gettype($test_result));
1159 + throw new Exception(__('Embedding API returned unexpected result type. Please check your configuration.', 'mxchat'));
1160 + }
1161 +
1162 + $urls = [];
1163 + foreach ($xml->url as $url_element) {
1164 + $url = esc_url_raw((string)$url_element->loc);
1165 + if ($url) {
1166 + $urls[] = $url;
1167 + }
1168 + }
1169 +
1170 + $total_urls = absint(count($urls));
1171 +
1172 + if ($total_urls < 1) {
1173 + throw new Exception(__('No valid URLs found in sitemap', 'mxchat'));
1174 + }
1175 +
1176 + wp_schedule_single_event(time(), 'mxchat_process_sitemap_urls', array(
1177 + 'urls' => $urls,
1178 + 'sitemap_url' => $sitemap_url,
1179 + 'total_urls' => $total_urls,
1180 + 'batch_size' => absint(10),
1181 + 'batch_pause' => absint(5)
1182 + ));
1183 +
1184 + $status_data = array(
1185 + 'total_urls' => $total_urls,
1186 + 'processed_urls' => 0,
1187 + 'status' => 'processing',
1188 + 'last_update' => time()
1189 + );
1190 +
1191 + set_transient(
1192 + sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url)),
1193 + array_map('sanitize_text_field', $status_data),
1194 + DAY_IN_SECONDS
1195 + );
1196 +
1197 + return __('scheduled', 'mxchat');
1198 +
1199 + } catch (\Exception $e) {
1200 + $error_message = $e->getMessage();
1201 + //error_log(sprintf(esc_html__('Error preparing sitemap for processing: %s', 'mxchat'), esc_html($error_message)));
1202 +
1203 + // Store the sitemap URL and error in transients so they can be displayed
1204 + set_transient(
1205 + 'mxchat_last_sitemap_url',
1206 + sanitize_text_field($sitemap_url),
1207 + DAY_IN_SECONDS
1208 + );
1209 +
1210 + $status_data = array(
1211 + 'total_urls' => 0,
1212 + 'processed_urls' => 0,
1213 + 'status' => 'error',
1214 + 'error' => $error_message,
1215 + 'last_update' => time()
1216 + );
1217 +
1218 + set_transient(
1219 + sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url)),
1220 + array_map('sanitize_text_field', $status_data),
1221 + DAY_IN_SECONDS
1222 + );
1223 +
1224 + return $error_message;
1225 + }
1226 +}
1227 +
1228 +public function mxchat_process_sitemap_urls_cron($urls, $sitemap_url, $total_urls, $batch_size, $batch_pause) {
1229 + // Validate inputs
1230 + $sitemap_url = esc_url_raw($sitemap_url);
1231 + $total_urls = absint($total_urls);
1232 + $batch_size = absint($batch_size);
1233 + $batch_pause = absint($batch_pause);
1234 +
1235 + if (!is_array($urls) || empty($urls)) {
1236 + return;
1237 + }
1238 +
1239 + try {
1240 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
1241 + $status = get_transient($status_key);
1242 +
1243 + if (!$status || !is_array($status)) {
1244 + throw new Exception('Invalid status data retrieved from transient');
1245 + }
1246 +
1247 + // Initialize failed_urls array if it doesn't exist
1248 + if (!isset($status['failed_urls_list']) || !is_array($status['failed_urls_list'])) {
1249 + $status['failed_urls_list'] = [];
1250 + }
1251 +
1252 + $start_url = absint($status['processed_urls']);
1253 + $end_url = min($start_url + $batch_size, $total_urls);
1254 +
1255 + // Track batch statistics - IMPROVED ERROR HANDLING
1256 + $batch_stats = [
1257 + 'processed' => 0,
1258 + 'failed' => 0,
1259 + 'last_error' => '',
1260 + 'embedding_errors' => 0,
1261 + 'network_errors' => 0,
1262 + 'timeout_errors' => 0
1263 + ];
1264 +
1265 + // REMOVED: Embedding test on first batch - causes unnecessary failures
1266 +
1267 + // Set execution time limit for this batch
1268 + @set_time_limit(300); // 5 minutes max per batch
1269 +
1270 + // Check available memory
1271 + $memory_limit = ini_get('memory_limit');
1272 + $memory_usage = memory_get_usage(true);
1273 +
1274 + for ($i = $start_url; $i < $end_url; $i++) {
1275 + $page_url = esc_url_raw($urls[$i]);
1276 + $max_retries = 5; // INCREASED from 3 to 5
1277 + $retry_count = 0;
1278 + $url_processed = false;
1279 + $last_error = '';
1280 +
1281 + // Check memory usage before processing each URL
1282 + if (memory_get_usage(true) > (1024 * 1024 * 100)) { // 100MB limit
1283 + error_log('MxChat: Memory usage high, taking break');
1284 + sleep(2);
1285 + }
1286 +
1287 + while (!$url_processed && $retry_count < $max_retries) {
1288 + try {
1289 + // IMPROVED: More flexible timeout based on retry count
1290 + $timeout = 30 + ($retry_count * 10); // 30s, 40s, 50s, etc.
1291 +
1292 + // Attempt to fetch the URL
1293 + $page_response = wp_remote_get($page_url, array(
1294 + 'timeout' => $timeout,
1295 + 'redirection' => 5,
1296 + 'user-agent' => 'MxChat/1.0'
1297 + ));
1298 +
1299 + if (is_wp_error($page_response)) {
1300 + $error_msg = $page_response->get_error_message();
1301 +
1302 + // Categorize network errors
1303 + if (strpos($error_msg, 'timeout') !== false) {
1304 + $batch_stats['timeout_errors']++;
1305 + } else {
1306 + $batch_stats['network_errors']++;
1307 + }
1308 +
1309 + throw new Exception('HTTP request failed: ' . $error_msg);
1310 + }
1311 +
1312 + $response_code = wp_remote_retrieve_response_code($page_response);
1313 +
1314 + // IMPROVED: Handle more response codes gracefully
1315 + if (!in_array($response_code, [200, 201, 202])) {
1316 + // For 4xx errors, don't retry (permanent failures)
1317 + if ($response_code >= 400 && $response_code < 500) {
1318 + throw new Exception('HTTP Status: ' . $response_code . ' (permanent failure)');
1319 + }
1320 + throw new Exception('HTTP Status: ' . $response_code);
1321 + }
1322 +
1323 + $page_html = wp_remote_retrieve_body($page_response);
1324 +
1325 + if (empty($page_html)) {
1326 + throw new Exception('Empty response body');
1327 + }
1328 +
1329 + $page_content = $this->mxchat_extract_main_content($page_html);
1330 + $sanitized_content = $this->mxchat_sanitize_content_for_api($page_content);
1331 +
1332 + if (empty($sanitized_content)) {
1333 + // Don't retry for empty content - it's likely a permanent issue
1334 + error_log("MxChat: No content found for URL: {$page_url}");
1335 + $url_processed = true; // Mark as "processed" to skip
1336 + $batch_stats['processed']++; // Count as processed (even though skipped)
1337 + break;
1338 + }
1339 +
1340 + // IMPROVED: More resilient embedding generation
1341 + $embedding_vector = $this->mxchat_generate_embedding($sanitized_content);
1342 +
1343 + if (is_string($embedding_vector)) {
1344 + $batch_stats['embedding_errors']++;
1345 +
1346 + // Special handling for different embedding errors
1347 + if (strpos($embedding_vector, 'rate limit') !== false ||
1348 + strpos($embedding_vector, 'quota') !== false) {
1349 + // Rate limit - wait longer before retry
1350 + sleep(30 + ($retry_count * 10));
1351 + }
1352 +
1353 + throw new Exception('Embedding generation failed: ' . $embedding_vector);
1354 + }
1355 +
1356 + if (!is_array($embedding_vector)) {
1357 + throw new Exception('Embedding generation returned unexpected result type: ' . gettype($embedding_vector));
1358 + }
1359 +
1360 + // Submit to database
1361 + $options = get_option('mxchat_options');
1362 + $submission_result = MxChat_Utils::submit_content_to_db($sanitized_content, $page_url, $options['api_key']);
1363 +
1364 + if (is_wp_error($submission_result)) {
1365 + throw new Exception('Database submission failed: ' . $submission_result->get_error_message());
1366 + }
1367 +
1368 + // Success!
1369 + $url_processed = true;
1370 + $batch_stats['processed']++;
1371 +
1372 + } catch (Exception $e) {
1373 + $retry_count++;
1374 + $last_error = $e->getMessage();
1375 +
1376 + // IMPROVED: Different wait times based on error type
1377 + if (strpos($last_error, 'rate limit') !== false) {
1378 + sleep(60); // Wait 1 minute for rate limits
1379 + } elseif (strpos($last_error, 'timeout') !== false) {
1380 + sleep(10); // Wait 10 seconds for timeouts
1381 + } elseif (strpos($last_error, 'permanent failure') !== false) {
1382 + break; // Don't retry 4xx errors
1383 + } else {
1384 + // Exponential backoff for other errors
1385 + sleep(pow(2, $retry_count - 1));
1386 + }
1387 + }
1388 + }
1389 +
1390 + // If URL still not processed after all retries, mark as failed
1391 + if (!$url_processed) {
1392 + $batch_stats['failed']++;
1393 + $batch_stats['last_error'] = $last_error;
1394 +
1395 + // Add to failed URLs list
1396 + $status['failed_urls_list'][] = [
1397 + 'url' => $page_url,
1398 + 'error' => $last_error,
1399 + 'time' => time(),
1400 + 'retries' => $max_retries
1401 + ];
1402 +
1403 + // Limit the number of failed URLs we store
1404 + if (count($status['failed_urls_list']) > 100) {
1405 + $status['failed_urls_list'] = array_slice($status['failed_urls_list'], -100);
1406 + }
1407 + }
1408 +
1409 + // Update progress after each URL
1410 + $status['processed_urls'] = absint($i + 1);
1411 + $status['last_update'] = time();
1412 + $status['failed_urls'] = absint($status['failed_urls'] ?? 0) + ($url_processed ? 0 : 1);
1413 + $status['last_error'] = $batch_stats['last_error'];
1414 +
1415 + set_transient($status_key, $status, DAY_IN_SECONDS);
1416 + }
1417 +
1418 + // IMPROVED: More forgiving batch failure handling
1419 + // Only stop if we have catastrophic failure rates
1420 + $failure_rate = $batch_stats['failed'] / max(1, $batch_stats['processed'] + $batch_stats['failed']);
1421 +
1422 + if ($batch_stats['processed'] === 0 && $batch_stats['failed'] >= 5) {
1423 + // Only stop if we have 5+ complete failures in a row
1424 + $status['status'] = 'error';
1425 + $status['error'] = sprintf(
1426 + 'Processing stopped after %d consecutive failures. Last error: %s',
1427 + $batch_stats['failed'],
1428 + $batch_stats['last_error']
1429 + );
1430 + set_transient($status_key, $status, DAY_IN_SECONDS);
1431 + return;
1432 + }
1433 +
1434 + // REMOVED: Embedding error threshold - too aggressive
1435 +
1436 + // Update final progress
1437 + $status['processed_urls'] = min($end_url, $total_urls);
1438 + $status['last_update'] = time();
1439 + $status['batch_stats'] = $batch_stats; // Store for debugging
1440 + set_transient($status_key, $status, DAY_IN_SECONDS);
1441 +
1442 + // Check if we've processed all URLs
1443 + if ($end_url >= $total_urls) {
1444 + // All URLs have been processed - mark as complete
1445 + $status['status'] = 'complete';
1446 + $status['processed_urls'] = $total_urls;
1447 +
1448 + // Add completion summary
1449 + $status['completion_summary'] = [
1450 + 'total_urls' => $total_urls,
1451 + 'successful_urls' => $total_urls - absint($status['failed_urls'] ?? 0),
1452 + 'failed_urls' => absint($status['failed_urls'] ?? 0),
1453 + 'completion_time' => current_time('mysql'),
1454 + 'final_batch_stats' => $batch_stats
1455 + ];
1456 +
1457 + set_transient($status_key, $status, DAY_IN_SECONDS);
1458 + } else {
1459 + // IMPROVED: Dynamic pause based on error rates
1460 + $dynamic_pause = $batch_pause;
1461 +
1462 + if ($failure_rate > 0.5) {
1463 + $dynamic_pause *= 3; // Wait 3x longer if high failure rate
1464 + } elseif ($batch_stats['embedding_errors'] > 3) {
1465 + $dynamic_pause *= 2; // Wait 2x longer if embedding issues
1466 + }
1467 +
1468 + // Schedule next batch
1469 + wp_schedule_single_event(time() + $dynamic_pause, 'mxchat_process_sitemap_urls', array(
1470 + 'urls' => $urls,
1471 + 'sitemap_url' => $sitemap_url,
1472 + 'total_urls' => $total_urls,
1473 + 'batch_size' => $batch_size,
1474 + 'batch_pause' => $batch_pause,
1475 + ));
1476 + }
1477 + } catch (\Exception $e) {
1478 + // IMPROVED: Don't fail permanently on exceptions
1479 + $status['last_error'] = $e->getMessage();
1480 + $status['error_count'] = ($status['error_count'] ?? 0) + 1;
1481 +
1482 + // Only mark as permanent error after multiple batch failures
1483 + if ($status['error_count'] >= 5) {
1484 + $status['status'] = 'error';
1485 + $status['error'] = 'Too many batch failures: ' . $e->getMessage();
1486 + } else {
1487 + // Retry the batch after a longer pause
1488 + wp_schedule_single_event(time() + 300, 'mxchat_process_sitemap_urls', array(
1489 + 'urls' => $urls,
1490 + 'sitemap_url' => $sitemap_url,
1491 + 'total_urls' => $total_urls,
1492 + 'batch_size' => max(5, $batch_size / 2), // Reduce batch size on error
1493 + 'batch_pause' => $batch_pause * 2, // Double the pause
1494 + ));
1495 + }
1496 +
1497 + set_transient($status_key, $status, DAY_IN_SECONDS);
1498 + }
1499 +}
1500 +
1501 +public function mxchat_sanitize_content_for_api($content) {
1502 + //error_log('[MXCHAT-SANITIZE] Original content preview: ' . substr($content, 0, 500) . '...');
1503 +
1504 + // Remove script, style tags, and HTML comments
1505 + $content = preg_replace('/<script\b[^>]*>(.*?)<\/script>/is', '', $content);
1506 + $content = preg_replace('/<style\b[^>]*>(.*?)<\/style>/is', '', $content);
1507 + $content = preg_replace('/<!--(.|\s)*?-->/', '', $content);
1508 +
1509 + // Remove all HTML tags and decode HTML entities
1510 + $content = wp_strip_all_tags($content);
1511 + $content = html_entity_decode($content, ENT_QUOTES | ENT_HTML5);
1512 +
1513 + // Normalize whitespace but preserve paragraph breaks
1514 + // First, normalize line endings to \n
1515 + $content = str_replace(["\r\n", "\r"], "\n", $content);
1516 + // Replace multiple spaces/tabs with single space, but preserve newlines
1517 + $content = preg_replace('/[ \t]+/', ' ', $content);
1518 + // Replace 3+ newlines with 2 newlines (max 2 blank lines)
1519 + $content = preg_replace('/\n{3,}/', "\n\n", $content);
1520 + // Trim each line
1521 + $lines = explode("\n", $content);
1522 + $lines = array_map('trim', $lines);
1523 + $content = implode("\n", $lines);
1524 + // Final trim
1525 + $content = trim($content);
1526 +
1527 + // Remove control characters (which can cause database issues) but preserve \n (0x0A) and \r (0x0D)
1528 + $content = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/u', '', $content);
1529 +
1530 + // Remove NULL bytes which can cause database errors
1531 + $content = str_replace("\0", "", $content);
1532 +
1533 + // Ensure valid UTF-8 encoding
1534 + $content = wp_check_invalid_utf8($content);
1535 +
1536 + // Remove any extremely long strings without spaces (often garbage)
1537 + $content = preg_replace('/\S{300,}/', ' ', $content);
1538 +
1539 + // Replace problematic characters that often cause database issues
1540 + $content = preg_replace('/[\x{10000}-\x{10FFFF}]/u', '', $content); // Remove emoji and other high Unicode characters
1541 +
1542 + // Replace any remaining potentially problematic characters with spaces
1543 + // BUT preserve newlines by temporarily replacing them
1544 + $content = str_replace("\n", "NEWLINE_PLACEHOLDER", $content);
1545 + $content = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\p{Sm}]/u', ' ', $content);
1546 + $content = str_replace("NEWLINE_PLACEHOLDER", "\n", $content);
1547 +
1548 + // Limit to reasonable length if needed
1549 + $max_length = 65000; // Just under MySQL TEXT field limit
1550 + if (strlen($content) > $max_length) {
1551 + $content = substr($content, 0, $max_length);
1552 + }
1553 +
1554 + //error_log('[MXCHAT-SANITIZE] Sanitized content preview: ' . substr($content, 0, 500) . '...');
1555 + return $content;
1556 +}
1557 +public function mxchat_extract_main_content($html) {
1558 + if (empty($html)) {
1559 + return '';
1560 + }
1561 + try {
1562 + $dom = new DOMDocument;
1563 + libxml_use_internal_errors(true); // Suppress HTML parsing errors
1564 + @$dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
1565 + $xpath = new DOMXPath($dom);
1566 +
1567 + // For debugging purposes
1568 + $debugEnabled = false; // Set to true to enable debugging output
1569 + $debug = function($message) use ($debugEnabled) {
1570 + if ($debugEnabled) {
1571 + //error_log('[MXCHAT-DEBUG] ' . $message);
1572 + }
1573 + };
1574 +
1575 + // Direct targeting for Gerow theme posts
1576 + $post_text = $xpath->query('//div[contains(@class, "post-text")]');
1577 + if ($post_text && $post_text->length > 0) {
1578 + $debug("Found post-text directly");
1579 + $content = '';
1580 + foreach ($post_text as $node) {
1581 + $content .= $dom->saveHTML($node);
1582 + }
1583 + if (!empty($content)) {
1584 + $debug("Returning post-text content");
1585 + return $content;
1586 + }
1587 + }
1588 +
1589 + // Try to get the blog details content which contains the post-text
1590 + $blog_details = $xpath->query('//div[contains(@class, "blog-details-content")]');
1591 + if ($blog_details && $blog_details->length > 0) {
1592 + $debug("Found blog-details-content");
1593 + $content = '';
1594 + foreach ($blog_details as $node) {
1595 + $content .= $dom->saveHTML($node);
1596 + }
1597 + if (!empty($content)) {
1598 + $debug("Returning blog-details-content");
1599 + return $content;
1600 + }
1601 + }
1602 +
1603 + // Try to get the article which contains the blog details
1604 + $article = $xpath->query('//article[contains(@class, "blog-details-wrap")]');
1605 + if ($article && $article->length > 0) {
1606 + $debug("Found article with blog-details-wrap");
1607 + $content = '';
1608 + foreach ($article as $node) {
1609 + $content .= $dom->saveHTML($node);
1610 + }
1611 + if (!empty($content)) {
1612 + $debug("Returning article content");
1613 + return $content;
1614 + }
1615 + }
1616 +
1617 + // Try even broader with the blog-item-wrap
1618 + $blog_item = $xpath->query('//div[contains(@class, "blog-item-wrap")]');
1619 + if ($blog_item && $blog_item->length > 0) {
1620 + $debug("Found blog-item-wrap");
1621 + $content = '';
1622 + foreach ($blog_item as $node) {
1623 + $content .= $dom->saveHTML($node);
1624 + }
1625 + if (!empty($content)) {
1626 + $debug("Returning blog-item-wrap content");
1627 + return $content;
1628 + }
1629 + }
1630 +
1631 + // Specific Gerow theme path
1632 + $gerow_path = $xpath->query('//section[contains(@class, "blog-area")]//div[contains(@class, "post-text")]');
1633 + if ($gerow_path && $gerow_path->length > 0) {
1634 + $debug("Found Gerow theme path to post-text");
1635 + $content = '';
1636 + foreach ($gerow_path as $node) {
1637 + $content .= $dom->saveHTML($node);
1638 + }
1639 + if (!empty($content)) {
1640 + $debug("Returning Gerow post-text content");
1641 + return $content;
1642 + }
1643 + }
1644 +
1645 + // Generic blog post selectors
1646 + $selectors = [
1647 + // Blog post specific selectors
1648 + '//div[contains(@class, "post-text")]',
1649 + '//article[contains(@class, "blog-post-item")]//div[contains(@class, "post-text")]',
1650 + '//div[contains(@class, "blog-details-content")]',
1651 + '//article[contains(@class, "blog-details-wrap")]',
1652 + '//div[contains(@class, "entry-content")]',
1653 + '//div[contains(@class, "blog-content")]',
1654 + '//div[contains(@class, "blog-item-wrap")]',
1655 +
1656 + // More general content selectors
1657 + '//div[contains(@class, "page__content")]',
1658 + '//div[contains(@class, "elementor-widget-container")]',
1659 + '//div[contains(@class, "elementor-text-editor")]',
1660 + '//div[contains(@class, "elementor-widget-text-editor")]',
1661 + '//*[contains(@class, "entry-content")]',
1662 + '//*[contains(@class, "post-content")]',
1663 + '//*[contains(@class, "article-content")]',
1664 + '//*[@id="content"]',
1665 + '//*[@id="main-content"]',
1666 + '//section[contains(@class, "blog-area")]',
1667 + '//article',
1668 + '//main',
1669 + '//div[contains(@class, "content")]'
1670 + ];
1671 +
1672 + // First handle Elementor content
1673 + $debug("Checking for Elementor content");
1674 + $elementor_widgets = $xpath->query('//div[contains(@class, "elementor-element")]//div[contains(@class, "elementor-widget-container")]');
1675 + if ($elementor_widgets && $elementor_widgets->length > 0) {
1676 + $debug("Found Elementor widgets");
1677 + $combined_content = '';
1678 + foreach ($elementor_widgets as $widget) {
1679 + $widget_content = $dom->saveHTML($widget);
1680 + if (!empty($widget_content)) {
1681 + $combined_content .= $widget_content;
1682 + }
1683 + }
1684 + if (!empty($combined_content)) {
1685 + $debug("Returning Elementor content");
1686 + return $combined_content;
1687 + }
1688 + }
1689 +
1690 + // Try standard selectors one by one
1691 + foreach ($selectors as $selector) {
1692 + $debug("Trying selector: " . $selector);
1693 + $nodes = $xpath->query($selector);
1694 + if ($nodes && $nodes->length > 0) {
1695 + $debug("Found matches for selector: " . $selector);
1696 + $content = '';
1697 + foreach ($nodes as $node) {
1698 + $content .= $dom->saveHTML($node);
1699 + }
1700 + if (!empty($content)) {
1701 + $debug("Returning content from selector: " . $selector);
1702 + return $content;
1703 + }
1704 + }
1705 + }
1706 +
1707 + // Manual regex fallback for post-text if DOM methods fail
1708 + $debug("Trying regex fallback");
1709 + if (preg_match('/<div class="post-text">(.*?)<\/div>\s*<\/div>\s*<\/div>/s', $html, $matches)) {
1710 + $debug("Found post-text via regex");
1711 + return '<div class="post-text">' . $matches[1] . '</div>';
1712 + }
1713 +
1714 + // Try to extract the blog section as a whole
1715 + $blog_section = $xpath->query('//section[contains(@class, "blog-area")]');
1716 + if ($blog_section && $blog_section->length > 0) {
1717 + $debug("Found blog-area section");
1718 + $content = '';
1719 + foreach ($blog_section as $node) {
1720 + $content .= $dom->saveHTML($node);
1721 + }
1722 + if (!empty($content)) {
1723 + $debug("Returning blog-area section content");
1724 + return $content;
1725 + }
1726 + }
1727 +
1728 + // Fallback: Return the body content if no specific selector matches
1729 + $debug("Using body fallback");
1730 + $body = $dom->getElementsByTagName('body');
1731 + if ($body->length > 0) {
1732 + return $dom->saveHTML($body->item(0));
1733 + }
1734 +
1735 + // Last resort: return the original HTML
1736 + $debug("Returning original HTML");
1737 + return $html;
1738 + } catch (Exception $e) {
1739 + //error_log('[MXCHAT-ERROR] Content extraction failed: ' . $e->getMessage());
1740 + return $html; // Return original HTML if parsing fails
1741 + } finally {
1742 + libxml_clear_errors();
1743 + }
1744 +}
1745 +public function mxchat_get_sitemap_processing_status($sitemap_url) {
1746 + $sitemap_url = esc_url_raw($sitemap_url);
1747 + $status_key = sanitize_key('mxchat_sitemap_status_' . md5($sitemap_url));
1748 + $status = get_transient($status_key);
1749 +
1750 + if (!$status || !is_array($status)) {
1751 + return false;
1752 + }
1753 +
1754 + // Auto-complete check: if all URLs are processed but status isn't complete
1755 + if (isset($status['processed_urls']) && isset($status['total_urls']) &&
1756 + $status['processed_urls'] >= $status['total_urls'] &&
1757 + isset($status['status']) && $status['status'] !== 'complete' &&
1758 + $status['status'] !== 'error') {
1759 +
1760 + // Mark as complete
1761 + $status['status'] = 'complete';
1762 + $status['processed_urls'] = $status['total_urls']; // Ensure exact match
1763 +
1764 + // Update the transient with the corrected status
1765 + set_transient($status_key, $status, DAY_IN_SECONDS);
1766 + }
1767 +
1768 + return array(
1769 + 'total_urls' => absint($status['total_urls']),
1770 + 'processed_urls' => absint($status['processed_urls']),
1771 + 'failed_urls' => absint($status['failed_urls'] ?? 0),
1772 + 'percentage' => ($status['total_urls'] > 0)
1773 + ? round((absint($status['processed_urls']) / absint($status['total_urls'])) * 100)
1774 + : 0,
1775 + 'status' => sanitize_text_field($status['status']),
1776 + 'last_update' => human_time_diff(absint($status['last_update']), time()) . ' ' . esc_html__('ago', 'mxchat'),
1777 + 'error' => isset($status['error']) ? sanitize_text_field($status['error']) : '',
1778 + 'last_error' => isset($status['last_error']) ? sanitize_text_field($status['last_error']) : '',
1779 + 'failed_urls_list' => isset($status['failed_urls_list']) ? $status['failed_urls_list'] : array()
1780 + );
1781 +}
1782 +
1783 +public function mxchat_ajax_get_status_updates() {
1784 + try {
1785 + // Verify the request
1786 + check_ajax_referer('mxchat_status_nonce', 'nonce');
1787 +
1788 + // Get the status just like in your admin page
1789 + $pdf_url = get_transient('mxchat_last_pdf_url');
1790 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
1791 +
1792 + $pdf_status = $pdf_url ? $this->mxchat_get_pdf_processing_status($pdf_url) : false;
1793 + $sitemap_status = $sitemap_url ? $this->mxchat_get_sitemap_processing_status($sitemap_url) : false;
1794 +
1795 + // Add the PDF URL to the status object
1796 + if ($pdf_status && $pdf_url) {
1797 + $pdf_status['pdf_url'] = $pdf_url;
1798 + }
1799 +
1800 + // Set the current PDF URL for the manual batch processing button
1801 + $current_pdf_url = $pdf_url;
1802 +
1803 + // Check for true processing status, not just presence of status
1804 + $is_active_processing =
1805 + ($sitemap_status && isset($sitemap_status['status']) && $sitemap_status['status'] === 'processing') ||
1806 + ($pdf_status && isset($pdf_status['status']) && $pdf_status['status'] === 'processing');
1807 +
1808 + // Get single URL status, but only if no processing is active
1809 + $single_url_status = !$is_active_processing ? $this->mxchat_get_single_url_status() : false;
1810 +
1811 + // REMOVED: Auto-clearing of completed status - now only done via dismiss button
1812 +
1813 + // Return JSON response with the status data
1814 + wp_send_json(array(
1815 + 'pdf_status' => $pdf_status,
1816 + 'sitemap_status' => $sitemap_status,
1817 + 'single_url_status' => $single_url_status,
1818 + 'is_processing' => $is_active_processing,
1819 + 'current_pdf_url' => $current_pdf_url
1820 + ));
1821 +
1822 + } catch (Exception $e) {
1823 + // Log the error
1824 + //error_log('MxChat Status Update Error: ' . $e->getMessage());
1825 +
1826 + // Return a friendly error response
1827 + wp_send_json_error(array(
1828 + 'message' => 'Error getting status updates: ' . $e->getMessage(),
1829 + 'status' => 'error'
1830 + ));
1831 + }
1832 +}
1833 +public function mxchat_stop_processing() {
1834 + // Verify permissions
1835 + if (!current_user_can('manage_options')) {
1836 + wp_die(esc_html__('Unauthorized access', 'mxchat'));
1837 + }
1838 +
1839 + // Verify nonce
1840 + check_admin_referer('mxchat_stop_processing_action', 'mxchat_stop_processing_nonce');
1841 +
1842 + // Get the last sitemap URL and clear its transient
1843 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
1844 + if ($sitemap_url) {
1845 + delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
1846 + delete_transient('mxchat_last_sitemap_url');
1847 + }
1848 +
1849 + // Get the last PDF URL and clear its transient
1850 + $pdf_url = get_transient('mxchat_last_pdf_url');
1851 + if ($pdf_url) {
1852 + delete_transient('mxchat_pdf_status_' . md5($pdf_url));
1853 + delete_transient('mxchat_last_pdf_url');
1854 + }
1855 +
1856 + // Unschedule any pending sitemap events
1857 + $timestamp = wp_next_scheduled('mxchat_process_sitemap_urls');
1858 + if ($timestamp) {
1859 + wp_unschedule_event($timestamp, 'mxchat_process_sitemap_urls');
1860 + }
1861 +
1862 + // Redirect back with a success message
1863 + set_transient('mxchat_admin_notice_success',
1864 + esc_html__('Processing has been stopped successfully.', 'mxchat'),
1865 + 30
1866 + );
1867 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
1868 + exit;
1869 +}
1870 +public function ajax_mxchat_get_content_list() {
1871 + // Verify the nonce
1872 + check_ajax_referer('mxchat_content_selector_nonce', 'nonce');
1873 +
1874 + if (!current_user_can('manage_options')) {
1875 + wp_send_json_error(__('Unauthorized access', 'mxchat'));
1876 + }
1877 +
1878 + $page = isset($_GET['page']) ? absint($_GET['page']) : 1;
1879 + $per_page = isset($_GET['per_page']) ? absint($_GET['per_page']) : 50;
1880 + $search = isset($_GET['search']) ? sanitize_text_field($_GET['search']) : '';
1881 + $post_type = isset($_GET['post_type']) ? sanitize_text_field($_GET['post_type']) : 'all';
1882 + $post_status = isset($_GET['post_status']) ? sanitize_text_field($_GET['post_status']) : 'publish';
1883 + $processed_filter = isset($_GET['processed_filter']) ? sanitize_text_field($_GET['processed_filter']) : 'all';
1884 +
1885 + // Build query args
1886 + $args = array(
1887 + 'posts_per_page' => $per_page,
1888 + 'paged' => $page,
1889 + 'post_status' => $post_status !== 'all' ? $post_status : array('publish', 'draft', 'pending'),
1890 + 'orderby' => 'date',
1891 + 'order' => 'DESC',
1892 + );
1893 +
1894 + // Handle post types
1895 + if ($post_type !== 'all') {
1896 + $args['post_type'] = $post_type;
1897 + } else {
1898 + // Default to post and page if we can't get post types
1899 + $args['post_type'] = array('post', 'page');
1900 +
1901 + // Try to get public post types
1902 + $public_types = $this->mxchat_get_public_post_types();
1903 + if (is_array($public_types) && !empty($public_types)) {
1904 + $args['post_type'] = array_keys($public_types);
1905 + }
1906 + }
1907 +
1908 + if (!empty($search)) {
1909 + $args['s'] = $search;
1910 + }
1911 +
1912 + // ================================
1913 + // FIXED: Check only the ACTIVE storage method
1914 + // ================================
1915 +
1916 + $processed_data = array();
1917 +
1918 + $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
1919 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
1920 + $pinecone_manager->mxchat_refresh_after_new_content($pinecone_options);
1921 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
1922 +
1923 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
1924 + // ONLY check Pinecone if it's enabled
1925 + $processed_data = $this->mxchat_get_pinecone_processed_content($pinecone_options);
1926 + } else {
1927 + // ONLY check WordPress DB if Pinecone is not enabled
1928 + global $wpdb;
1929 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
1930 + $processed_items = $wpdb->get_results("SELECT id, source_url, timestamp FROM {$table_name}");
1931 +
1932 + if (!empty($processed_items)) {
1933 + foreach ($processed_items as $item) {
1934 + $post_id = url_to_postid($item->source_url);
1935 + if ($post_id) {
1936 + $processed_data[$post_id] = array(
1937 + 'db_id' => $item->id,
1938 + 'timestamp' => $item->timestamp,
1939 + 'url' => $item->source_url,
1940 + 'source' => 'wordpress'
1941 + );
1942 + }
1943 + }
1944 + }
1945 + }
1946 +
1947 + // ================================
1948 +
1949 + // Get processed IDs as a simple array for in_array checks
1950 + $processed_ids = array_keys($processed_data);
1951 +
1952 + // Handle processed/unprocessed filter
1953 + if ($processed_filter === 'processed' && !empty($processed_ids)) {
1954 + $args['post__in'] = $processed_ids;
1955 + } elseif ($processed_filter === 'unprocessed' && !empty($processed_ids)) {
1956 + $args['post__not_in'] = $processed_ids;
1957 + }
1958 +
1959 + // Run the query
1960 + $query = new WP_Query($args);
1961 + $content_items = array();
1962 +
1963 + if ($query->have_posts()) {
1964 + while ($query->have_posts()) {
1965 + $query->the_post();
1966 + $id = get_the_ID();
1967 + $post_date = get_the_date();
1968 + $excerpt = wp_trim_words(get_the_excerpt(), 20, '...');
1969 + $word_count = str_word_count(strip_tags(get_the_content()));
1970 +
1971 + $is_processed = in_array($id, $processed_ids);
1972 + $processed_date = '';
1973 + $db_record_id = 0;
1974 + $data_source = 'none';
1975 +
1976 + if ($is_processed && isset($processed_data[$id])) {
1977 + $item_data = $processed_data[$id];
1978 + $data_source = $item_data['source'];
1979 +
1980 + if ($data_source === 'wordpress' && isset($item_data['timestamp'])) {
1981 + // WordPress DB format
1982 + $timestamp = strtotime($item_data['timestamp']);
1983 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
1984 + $db_record_id = $item_data['db_id'];
1985 + } elseif ($data_source === 'pinecone') {
1986 + // Pinecone format
1987 + $processed_date = $item_data['processed_date'];
1988 + $db_record_id = $item_data['db_id'];
1989 + }
1990 + }
1991 +
1992 + $content_items[] = array(
1993 + 'id' => $id,
1994 + 'title' => get_the_title(),
1995 + 'permalink' => get_permalink(),
1996 + 'date' => $post_date,
1997 + 'type' => get_post_type(),
1998 + 'status' => get_post_status(),
1999 + 'excerpt' => $excerpt,
2000 + 'word_count' => $word_count,
2001 + 'already_processed' => $is_processed,
2002 + 'processed_date' => $processed_date,
2003 + 'db_record_id' => $db_record_id,
2004 + 'data_source' => $data_source
2005 + );
2006 + }
2007 + wp_reset_postdata();
2008 + }
2009 +
2010 + $response = array(
2011 + 'items' => $content_items,
2012 + 'total' => $query->found_posts,
2013 + 'total_pages' => $query->max_num_pages,
2014 + 'current_page' => $page,
2015 + 'processed_count' => count($processed_ids)
2016 + );
2017 +
2018 + wp_send_json_success($response);
2019 + exit;
2020 +}
2021 +
2022 +public function ajax_mxchat_process_selected_content() {
2023 + // Basic request validation
2024 + if (!check_ajax_referer('mxchat_content_selector_nonce', 'nonce', false)) {
2025 + wp_send_json_error('Invalid nonce');
2026 + exit;
2027 + }
2028 +
2029 + if (!current_user_can('manage_options')) {
2030 + wp_send_json_error('Unauthorized access');
2031 + exit;
2032 + }
2033 +
2034 + // Get post IDs - safely parse the array
2035 + $post_ids = array();
2036 + if (isset($_POST['post_ids']) && is_array($_POST['post_ids'])) {
2037 + foreach ($_POST['post_ids'] as $id) {
2038 + $post_ids[] = absint($id);
2039 + }
2040 + }
2041 +
2042 + if (empty($post_ids)) {
2043 + wp_send_json_error('No content selected');
2044 + exit;
2045 + }
2046 +
2047 + // Process only ONE post at a time to avoid request size issues
2048 + $post_id = reset($post_ids);
2049 + $post = get_post($post_id);
2050 +
2051 + if (!$post) {
2052 + wp_send_json_error('Post not found');
2053 + exit;
2054 + }
2055 +
2056 + // Get content including ACF fields
2057 + $content = $post->post_title . "\n\n" . wp_strip_all_tags($post->post_content);
2058 +
2059 + // ADD ACF FIELDS SUPPORT
2060 + $acf_fields = $this->mxchat_get_acf_fields_for_post($post_id);
2061 + if (!empty($acf_fields)) {
2062 + $acf_content_parts = array();
2063 +
2064 + foreach ($acf_fields as $field_name => $field_value) {
2065 + $formatted_value = $this->mxchat_format_acf_field_value($field_value, $field_name, $post_id);
2066 +
2067 + if (!empty($formatted_value)) {
2068 + // Convert field name to readable label
2069 + $field_label = ucwords(str_replace('_', ' ', $field_name));
2070 + $acf_content_parts[] = $field_label . ": " . $formatted_value;
2071 + }
2072 + }
2073 +
2074 + if (!empty($acf_content_parts)) {
2075 + $content .= "\n\n" . implode("\n", $acf_content_parts);
2076 + }
2077 + }
2078 +
2079 + $content = substr($content, 0, 10000); // Limit content size
2080 +
2081 + // Get API key with proper model detection
2082 + $options = get_option('mxchat_options');
2083 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
2084 +
2085 + if (strpos($selected_model, 'voyage') === 0) {
2086 + $api_key = $options['voyage_api_key'] ?? '';
2087 + $provider_name = 'Voyage AI';
2088 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
2089 + $api_key = $options['gemini_api_key'] ?? '';
2090 + $provider_name = 'Google Gemini';
2091 + } else {
2092 + $api_key = $options['api_key'] ?? '';
2093 + $provider_name = 'OpenAI';
2094 + }
2095 +
2096 + if (empty($api_key)) {
2097 + wp_send_json_error($provider_name . ' API key not configured');
2098 + exit;
2099 + }
2100 +
2101 + $source_url = get_permalink($post_id);
2102 + $vector_id = md5($source_url); // Vector ID for Pinecone
2103 +
2104 + // Check for existing content in ONLY the active storage method
2105 + $is_update = false;
2106 +
2107 + // Check if Pinecone is enabled
2108 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
2109 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
2110 +
2111 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
2112 + // ONLY check Pinecone if it's enabled
2113 + $pinecone_data = $this->mxchat_get_pinecone_processed_content($pinecone_options);
2114 + if (isset($pinecone_data[$post_id])) {
2115 + $is_update = true;
2116 + }
2117 + } else {
2118 + // ONLY check WordPress DB if Pinecone is not enabled
2119 + global $wpdb;
2120 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
2121 + $existing_record = $wpdb->get_row($wpdb->prepare(
2122 + "SELECT id FROM $table_name WHERE source_url = %s",
2123 + $source_url
2124 + ));
2125 +
2126 + if ($existing_record) {
2127 + $is_update = true;
2128 + }
2129 + }
2130 +
2131 + // Use the centralized utility function for storage
2132 + $result = MxChat_Utils::submit_content_to_db(
2133 + $content,
2134 + $source_url,
2135 + $api_key,
2136 + $vector_id
2137 + );
2138 +
2139 + if (is_wp_error($result)) {
2140 + wp_send_json_error('Storage failed: ' . $result->get_error_message());
2141 + exit;
2142 + }
2143 +
2144 + // Update caches if Pinecone is enabled
2145 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
2146 + // Update vector ID cache for improved fetching
2147 + $this->mxchat_update_pinecone_vector_cache($vector_id);
2148 +
2149 + // Update local processed content cache for immediate UI feedback
2150 + $pinecone_cache = get_option('mxchat_pinecone_processed_cache', array());
2151 + $pinecone_cache[$post_id] = array(
2152 + 'db_id' => $vector_id,
2153 + 'processed_date' => 'Just now',
2154 + 'url' => $source_url,
2155 + 'source' => 'pinecone',
2156 + 'timestamp' => current_time('timestamp')
2157 + );
2158 + update_option('mxchat_pinecone_processed_cache', $pinecone_cache);
2159 +
2160 + // Also update the general processed content cache
2161 + $processed_cache = get_option('mxchat_processed_content_cache', array());
2162 + $processed_cache[$post_id] = array(
2163 + 'db_id' => $vector_id,
2164 + 'timestamp' => current_time('timestamp'),
2165 + 'url' => $source_url,
2166 + 'source' => 'pinecone'
2167 + );
2168 + update_option('mxchat_processed_content_cache', $processed_cache);
2169 + }
2170 +
2171 + $operation_type = $is_update ? 'update' : 'new';
2172 +
2173 + // Count ACF fields for debugging
2174 + $acf_field_count = count($acf_fields);
2175 +
2176 + // Success response with minimal data
2177 + wp_send_json_success(array(
2178 + 'message' => $operation_type === 'update' ? 'Content updated successfully' : 'Content processed successfully',
2179 + 'post_id' => $post_id,
2180 + 'title' => $post->post_title,
2181 + 'operation_type' => $operation_type,
2182 + 'vector_id' => $vector_id,
2183 + 'cache_updated' => $use_pinecone,
2184 + 'acf_fields_found' => $acf_field_count,
2185 + 'content_preview' => substr($content, 0, 100) . '...'
2186 + ));
2187 + exit;
2188 +}
2189 +
2190 +
2191 +
2192 + /**
2193 + * Updates cache with new vector ID if absent
2194 + */
2195 + public function mxchat_update_pinecone_vector_cache($vector_id) {
2196 + $cached_ids = get_option('mxchat_pinecone_vector_ids_cache', array());
2197 + if (!in_array($vector_id, $cached_ids)) {
2198 + $cached_ids[] = $vector_id;
2199 + update_option('mxchat_pinecone_vector_ids_cache', $cached_ids);
2200 + }
2201 + }
2202 +public function mxchat_get_public_post_types() {
2203 + $post_types = get_post_types(array('public' => true), 'objects');
2204 + $post_type_options = array();
2205 +
2206 + foreach ($post_types as $post_type) {
2207 + $post_type_options[$post_type->name] = $post_type->label;
2208 + }
2209 +
2210 + return $post_type_options;
2211 +}
2212 +public function mxchat_get_pinecone_processed_content($pinecone_options) {
2213 + //error_log('=== DEBUG: Starting mxchat_get_pinecone_processed_content ===');
2214 +
2215 + // First check local cache for immediate updates
2216 + $cached_data = get_option('mxchat_pinecone_processed_cache', array());
2217 + //error_log('DEBUG: Found ' . count($cached_data) . ' items in local cache');
2218 +
2219 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2220 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2221 +
2222 + //error_log('DEBUG: API key present: ' . (!empty($api_key) ? 'YES' : 'NO'));
2223 + //error_log('DEBUG: Host: ' . $host);
2224 +
2225 + if (empty($api_key) || empty($host)) {
2226 + //error_log('DEBUG: Missing API credentials, returning cached data only');
2227 + return $cached_data;
2228 + }
2229 +
2230 + $pinecone_data = array();
2231 +
2232 + try {
2233 + // Method 1: Try to get vectors using cached vector IDs first
2234 + $cached_vector_ids = get_option('mxchat_pinecone_vector_ids_cache', array());
2235 + //error_log('DEBUG: Found ' . count($cached_vector_ids) . ' cached vector IDs');
2236 +
2237 + if (!empty($cached_vector_ids)) {
2238 + //error_log('DEBUG: Trying to fetch by cached vector IDs...');
2239 + $pinecone_data = $this->mxchat_fetch_pinecone_vectors_by_ids($pinecone_options, $cached_vector_ids);
2240 + //error_log('DEBUG: Fetch by IDs returned ' . count($pinecone_data) . ' items');
2241 + }
2242 +
2243 + // Method 2: If no cached IDs or fetch failed, use scanning approach
2244 + if (empty($pinecone_data)) {
2245 + //error_log('DEBUG: Trying scanning approach...');
2246 + $pinecone_data = $this->mxchat_scan_pinecone_for_processed_content($pinecone_options);
2247 + //error_log('DEBUG: Scanning returned ' . count($pinecone_data) . ' items');
2248 + }
2249 +
2250 + // Method 3: Final fallback - try stats endpoint
2251 + if (empty($pinecone_data)) {
2252 + //error_log('DEBUG: Trying stats endpoint...');
2253 + $stats_url = "https://{$host}/describe_index_stats";
2254 +
2255 + $response = wp_remote_post($stats_url, array(
2256 + 'headers' => array(
2257 + 'Api-Key' => $api_key,
2258 + 'Content-Type' => 'application/json'
2259 + ),
2260 + 'body' => json_encode(array()),
2261 + 'timeout' => 30
2262 + ));
2263 +
2264 + if (!is_wp_error($response) && wp_remote_retrieve_response_code($response) === 200) {
2265 + $body = wp_remote_retrieve_body($response);
2266 + $stats_data = json_decode($body, true);
2267 + //error_log('DEBUG: Pinecone stats: ' . print_r($stats_data, true));
2268 + } else {
2269 + if (is_wp_error($response)) {
2270 + //error_log('DEBUG: Stats endpoint error: ' . $response->get_error_message());
2271 + } else {
2272 + //error_log('DEBUG: Stats endpoint failed with code: ' . wp_remote_retrieve_response_code($response));
2273 + }
2274 + }
2275 + }
2276 +
2277 + } catch (Exception $e) {
2278 + //error_log('DEBUG: Exception in get_pinecone_processed_content: ' . $e->getMessage());
2279 + }
2280 +
2281 + // Merge cached data with Pinecone data
2282 + $merged_data = $pinecone_data;
2283 +
2284 + foreach ($cached_data as $post_id => $cache_item) {
2285 + $cache_timestamp = $cache_item['timestamp'] ?? 0;
2286 + $time_diff = current_time('timestamp') - $cache_timestamp;
2287 +
2288 + if ($time_diff < 300) { // 5 minutes = 300 seconds
2289 + $merged_data[$post_id] = $cache_item;
2290 + } else {
2291 + if (!isset($merged_data[$post_id])) {
2292 + $merged_data[$post_id] = $cache_item;
2293 + }
2294 + }
2295 + }
2296 +
2297 + //error_log('DEBUG: Final merged data count: ' . count($merged_data));
2298 + //error_log('=== DEBUG: End mxchat_get_pinecone_processed_content ===');
2299 +
2300 + return $merged_data;
2301 +}
2302 +
2303 +public function mxchat_fetch_pinecone_vectors_by_ids($pinecone_options, $vector_ids) {
2304 + //error_log('=== DEBUG: Starting mxchat_fetch_pinecone_vectors_by_ids ===');
2305 +
2306 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2307 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2308 +
2309 + if (empty($api_key) || empty($host) || empty($vector_ids)) {
2310 + //error_log('DEBUG: Missing parameters for fetch by IDs');
2311 + return array();
2312 + }
2313 +
2314 + try {
2315 + $fetch_url = "https://{$host}/vectors/fetch";
2316 + //error_log('DEBUG: Fetch URL: ' . $fetch_url);
2317 + //error_log('DEBUG: Fetching ' . count($vector_ids) . ' vector IDs');
2318 +
2319 + // Pinecone fetch API allows fetching specific vectors by ID
2320 + $fetch_data = array(
2321 + 'ids' => array_values($vector_ids)
2322 + );
2323 +
2324 + $response = wp_remote_post($fetch_url, array(
2325 + 'headers' => array(
2326 + 'Api-Key' => $api_key,
2327 + 'Content-Type' => 'application/json'
2328 + ),
2329 + 'body' => json_encode($fetch_data),
2330 + 'timeout' => 30
2331 + ));
2332 +
2333 + if (is_wp_error($response)) {
2334 + //error_log('DEBUG: Fetch by IDs WP error: ' . $response->get_error_message());
2335 + return array();
2336 + }
2337 +
2338 + $response_code = wp_remote_retrieve_response_code($response);
2339 + //error_log('DEBUG: Fetch response code: ' . $response_code);
2340 +
2341 + if ($response_code !== 200) {
2342 + $error_body = wp_remote_retrieve_body($response);
2343 + //error_log('DEBUG: Fetch failed with body: ' . $error_body);
2344 + return array();
2345 + }
2346 +
2347 + $body = wp_remote_retrieve_body($response);
2348 + $data = json_decode($body, true);
2349 +
2350 + //error_log('DEBUG: Fetch response structure: ' . print_r(array_keys($data), true));
2351 +
2352 + if (!isset($data['vectors'])) {
2353 + //error_log('DEBUG: No vectors key in response');
2354 + return array();
2355 + }
2356 +
2357 + $processed_data = array();
2358 +
2359 + foreach ($data['vectors'] as $vector_id => $vector_data) {
2360 + $metadata = $vector_data['metadata'] ?? array();
2361 + $source_url = $metadata['source_url'] ?? '';
2362 +
2363 + if (!empty($source_url)) {
2364 + $post_id = url_to_postid($source_url);
2365 + if ($post_id) {
2366 + $created_at = $metadata['created_at'] ?? '';
2367 + $processed_date = 'Recently';
2368 +
2369 + if (!empty($created_at)) {
2370 + $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
2371 + if ($timestamp) {
2372 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
2373 + }
2374 + }
2375 +
2376 + $processed_data[$post_id] = array(
2377 + 'db_id' => $vector_id,
2378 + 'processed_date' => $processed_date,
2379 + 'url' => $source_url,
2380 + 'source' => 'pinecone',
2381 + 'timestamp' => $timestamp ?? current_time('timestamp')
2382 + );
2383 + }
2384 + }
2385 + }
2386 +
2387 + //error_log('DEBUG: Processed ' . count($processed_data) . ' vectors from fetch');
2388 + return $processed_data;
2389 +
2390 + } catch (Exception $e) {
2391 + //error_log('DEBUG: Exception in fetch_pinecone_vectors_by_ids: ' . $e->getMessage());
2392 + return array();
2393 + }
2394 +}
2395 +
2396 +public function mxchat_scan_pinecone_for_processed_content($pinecone_options) {
2397 + //error_log('=== DEBUG: Starting mxchat_scan_pinecone_for_processed_content ===');
2398 +
2399 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
2400 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
2401 +
2402 + if (empty($api_key) || empty($host)) {
2403 + //error_log('DEBUG: Missing API credentials for scanning');
2404 + return array();
2405 + }
2406 +
2407 + try {
2408 + // Use multiple random vectors to get better coverage
2409 + $all_matches = array();
2410 + $seen_ids = array();
2411 +
2412 + // Try 3 different random vectors to get better coverage
2413 + for ($i = 0; $i < 3; $i++) {
2414 + //error_log('DEBUG: Scanning attempt ' . ($i + 1) . '/3');
2415 +
2416 + $query_url = "https://{$host}/query";
2417 +
2418 + // Generate a random unit vector instead of zeros
2419 + $random_vector = array();
2420 + for ($j = 0; $j < 1536; $j++) {
2421 + $random_vector[] = (rand(-1000, 1000) / 1000.0);
2422 + }
2423 +
2424 + // Normalize the vector to unit length
2425 + $magnitude = sqrt(array_sum(array_map(function($x) { return $x * $x; }, $random_vector)));
2426 + if ($magnitude > 0) {
2427 + $random_vector = array_map(function($x) use ($magnitude) { return $x / $magnitude; }, $random_vector);
2428 + }
2429 +
2430 + $query_data = array(
2431 + 'includeMetadata' => true,
2432 + 'includeValues' => false,
2433 + 'topK' => 10000,
2434 + 'vector' => $random_vector
2435 + );
2436 +
2437 + $response = wp_remote_post($query_url, array(
2438 + 'headers' => array(
2439 + 'Api-Key' => $api_key,
2440 + 'Content-Type' => 'application/json'
2441 + ),
2442 + 'body' => json_encode($query_data),
2443 + 'timeout' => 30
2444 + ));
2445 +
2446 + if (is_wp_error($response)) {
2447 + //error_log('DEBUG: Query attempt ' . ($i + 1) . ' WP error: ' . $response->get_error_message());
2448 + continue;
2449 + }
2450 +
2451 + $response_code = wp_remote_retrieve_response_code($response);
2452 + //error_log('DEBUG: Query attempt ' . ($i + 1) . ' response code: ' . $response_code);
2453 +
2454 + if ($response_code !== 200) {
2455 + $error_body = wp_remote_retrieve_body($response);
2456 + //error_log('DEBUG: Query attempt ' . ($i + 1) . ' failed with body: ' . substr($error_body, 0, 500));
2457 + continue;
2458 + }
2459 +
2460 + $body = wp_remote_retrieve_body($response);
2461 + $data = json_decode($body, true);
2462 +
2463 + if (isset($data['matches'])) {
2464 + //error_log('DEBUG: Query attempt ' . ($i + 1) . ' returned ' . count($data['matches']) . ' matches');
2465 + foreach ($data['matches'] as $match) {
2466 + $match_id = $match['id'] ?? '';
2467 + if (!empty($match_id) && !isset($seen_ids[$match_id])) {
2468 + $all_matches[] = $match;
2469 + $seen_ids[$match_id] = true;
2470 + }
2471 + }
2472 + } else {
2473 + //error_log('DEBUG: Query attempt ' . ($i + 1) . ' - no matches key in response');
2474 + }
2475 + }
2476 +
2477 + //error_log('DEBUG: Total unique matches found: ' . count($all_matches));
2478 +
2479 + // Convert matches to processed data format
2480 + $processed_data = array();
2481 + $vector_ids_for_cache = array();
2482 +
2483 + foreach ($all_matches as $match) {
2484 + $metadata = $match['metadata'] ?? array();
2485 + $source_url = $metadata['source_url'] ?? '';
2486 + $match_id = $match['id'] ?? '';
2487 +
2488 + if (!empty($source_url) && !empty($match_id)) {
2489 + $post_id = url_to_postid($source_url);
2490 + if ($post_id) {
2491 + $created_at = $metadata['created_at'] ?? '';
2492 + $processed_date = 'Recently';
2493 +
2494 + if (!empty($created_at)) {
2495 + $timestamp = is_numeric($created_at) ? $created_at : strtotime($created_at);
2496 + if ($timestamp) {
2497 + $processed_date = human_time_diff($timestamp, current_time('timestamp')) . ' ago';
2498 + }
2499 + }
2500 +
2501 + $processed_data[$post_id] = array(
2502 + 'db_id' => $match_id,
2503 + 'processed_date' => $processed_date,
2504 + 'url' => $source_url,
2505 + 'source' => 'pinecone',
2506 + 'timestamp' => $timestamp ?? current_time('timestamp')
2507 + );
2508 +
2509 + $vector_ids_for_cache[] = $match_id;
2510 + }
2511 + }
2512 + }
2513 +
2514 + // Update the vector IDs cache for future use
2515 + if (!empty($vector_ids_for_cache)) {
2516 + update_option('mxchat_pinecone_vector_ids_cache', $vector_ids_for_cache);
2517 + //error_log('DEBUG: Updated vector IDs cache with ' . count($vector_ids_for_cache) . ' IDs');
2518 + }
2519 +
2520 + //error_log('DEBUG: Returning ' . count($processed_data) . ' processed items from scanning');
2521 + return $processed_data;
2522 +
2523 + } catch (Exception $e) {
2524 + //error_log('DEBUG: Exception in scan_pinecone_for_processed_content: ' . $e->getMessage());
2525 + return array();
2526 + }
2527 +}
2528 +
2529 + /**
2530 + * Generates embeddings from input text for MXChat
2531 + */
2532 + private function mxchat_generate_embedding($text) {
2533 + // Enable detailed logging for debugging
2534 + //error_log('[MXCHAT-EMBED] Starting embedding generation. Text length: ' . strlen($text) . ' bytes');
2535 + //error_log('[MXCHAT-EMBED] Text preview: ' . substr($text, 0, 100) . '...');
2536 +
2537 + $options = get_option('mxchat_options');
2538 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
2539 + //error_log('[MXCHAT-EMBED] Selected embedding model: ' . $selected_model);
2540 +
2541 + // Determine provider and endpoint
2542 + if (strpos($selected_model, 'voyage') === 0) {
2543 + $api_key = $options['voyage_api_key'] ?? '';
2544 + $endpoint = 'https://api.voyageai.com/v1/embeddings';
2545 + $provider_name = 'Voyage AI';
2546 + //error_log('[MXCHAT-EMBED] Using Voyage AI API');
2547 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
2548 + $api_key = $options['gemini_api_key'] ?? '';
2549 + $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
2550 + $provider_name = 'Google Gemini';
2551 + //error_log('[MXCHAT-EMBED] Using Google Gemini API');
2552 + } else {
2553 + $api_key = $options['api_key'] ?? '';
2554 + $endpoint = 'https://api.openai.com/v1/embeddings';
2555 + $provider_name = 'OpenAI';
2556 + //error_log('[MXCHAT-EMBED] Using OpenAI API');
2557 + }
2558 +
2559 + //error_log('[MXCHAT-EMBED] Using endpoint: ' . $endpoint);
2560 +
2561 + if (empty($api_key)) {
2562 + $error_message = sprintf('Missing %s API key. Please configure your API key in the MxChat settings.', $provider_name);
2563 + //error_log('[MXCHAT-EMBED] Error: ' . $error_message);
2564 + return $error_message;
2565 + }
2566 +
2567 + // Check if text is too long (for OpenAI, roughly estimate tokens as words/0.75)
2568 + $estimated_tokens = ceil(str_word_count($text) / 0.75);
2569 + //error_log('[MXCHAT-EMBED] Estimated token count: ~' . $estimated_tokens);
2570 +
2571 + if ($estimated_tokens > 8000 && strpos($selected_model, 'voyage') === false && strpos($selected_model, 'gemini-embedding') === false) {
2572 + //error_log('[MXCHAT-EMBED] Warning: Text may exceed OpenAI token limits (8K for most models)');
2573 + // Consider truncating text here
2574 + }
2575 +
2576 + // Prepare request body based on provider
2577 + if (strpos($selected_model, 'gemini-embedding') === 0) {
2578 + // Gemini API format
2579 + $request_body = array(
2580 + 'model' => 'models/' . $selected_model,
2581 + 'content' => array(
2582 + 'parts' => array(
2583 + array('text' => $text)
2584 + )
2585 + )
2586 + );
2587 +
2588 + // Set output dimensionality to 1536 for consistency with other models
2589 + $request_body['outputDimensionality'] = 1536;
2590 + } else {
2591 + // OpenAI/Voyage API format
2592 + $request_body = array(
2593 + 'model' => $selected_model,
2594 + 'input' => $text
2595 + );
2596 +
2597 + // Add output_dimension for voyage-3-large model
2598 + if ($selected_model === 'voyage-3-large') {
2599 + $request_body['output_dimension'] = 2048;
2600 + }
2601 + }
2602 +
2603 + //error_log('[MXCHAT-EMBED] Request prepared with model: ' . $selected_model);
2604 +
2605 + // Prepare headers based on provider
2606 + if (strpos($selected_model, 'gemini-embedding') === 0) {
2607 + // Gemini uses API key as query parameter
2608 + $endpoint .= '?key=' . $api_key;
2609 + $headers = array(
2610 + 'Content-Type' => 'application/json'
2611 + );
2612 + } else {
2613 + // OpenAI/Voyage use Bearer token
2614 + $headers = array(
2615 + 'Authorization' => 'Bearer ' . $api_key,
2616 + 'Content-Type' => 'application/json'
2617 + );
2618 + }
2619 +
2620 + // Make API request
2621 + //error_log('[MXCHAT-EMBED] Sending API request to: ' . $endpoint);
2622 + $response = wp_remote_post($endpoint, array(
2623 + 'body' => wp_json_encode($request_body),
2624 + 'headers' => $headers,
2625 + 'timeout' => 60 // Increased timeout for large inputs
2626 + ));
2627 +
2628 + // Handle wp_remote_post errors
2629 + if (is_wp_error($response)) {
2630 + $error_message = $response->get_error_message();
2631 + //error_log('[MXCHAT-EMBED] WP Remote Post Error: ' . $error_message);
2632 + return 'Connection error: ' . $error_message;
2633 + }
2634 +
2635 + // Get and check HTTP response code
2636 + $http_code = wp_remote_retrieve_response_code($response);
2637 + //error_log('[MXCHAT-EMBED] API Response Code: ' . $http_code);
2638 +
2639 + if ($http_code !== 200) {
2640 + $error_body = wp_remote_retrieve_body($response);
2641 + //error_log('[MXCHAT-EMBED] API Error Response Body: ' . $error_body);
2642 +
2643 + // Try to parse error for more details
2644 + $error_json = json_decode($error_body, true);
2645 + if (json_last_error() === JSON_ERROR_NONE && isset($error_json['error'])) {
2646 + $error_type = $error_json['error']['type'] ?? 'unknown';
2647 + $error_message = $error_json['error']['message'] ?? 'No message';
2648 + //error_log('[MXCHAT-EMBED] API Error Type: ' . $error_type);
2649 + //error_log('[MXCHAT-EMBED] API Error Message: ' . $error_message);
2650 +
2651 + // Customize error message for common API errors
2652 + if ($error_type === 'invalid_request_error' && strpos($error_message, 'API key') !== false) {
2653 + $error_message = sprintf('Invalid %s API key. Please check your API key in the MxChat settings.', $provider_name);
2654 + } elseif ($error_type === 'authentication_error') {
2655 + $error_message = sprintf('%s authentication failed. Please verify your API key in the MxChat settings.', $provider_name);
2656 + }
2657 +
2658 + //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
2659 + return $error_message;
2660 + }
2661 +
2662 + $error_message = sprintf("API Error (HTTP %d): Unable to generate embedding", $http_code);
2663 + //error_log('[MXCHAT-EMBED] Returning error: ' . $error_message);
2664 + return $error_message;
2665 + }
2666 +
2667 + // Parse response body
2668 + $response_body = wp_remote_retrieve_body($response);
2669 + //error_log('[MXCHAT-EMBED] Received response length: ' . strlen($response_body) . ' bytes');
2670 +
2671 + $response_data = json_decode($response_body, true);
2672 +
2673 + if (json_last_error() !== JSON_ERROR_NONE) {
2674 + $error = json_last_error_msg();
2675 + //error_log('[MXCHAT-EMBED] JSON Parse Error: ' . $error);
2676 + //error_log('[MXCHAT-EMBED] Response preview: ' . substr($response_body, 0, 200));
2677 + return "Failed to parse API response: $error";
2678 + }
2679 +
2680 + // Handle different response formats based on provider
2681 + if (strpos($selected_model, 'gemini-embedding') === 0) {
2682 + // Gemini API response format
2683 + if (isset($response_data['embedding']['values'])) {
2684 + $embedding_dimensions = count($response_data['embedding']['values']);
2685 + //error_log('[MXCHAT-EMBED] Successfully extracted Gemini embedding with ' . $embedding_dimensions . ' dimensions');
2686 +
2687 + // Check if embedding dimensions are as expected (should be 1536)
2688 + if ($embedding_dimensions !== 1536) {
2689 + //error_log('[MXCHAT-EMBED] Warning: Unexpected Gemini embedding dimensions: ' . $embedding_dimensions);
2690 + }
2691 +
2692 + return $response_data['embedding']['values'];
2693 + } else {
2694 + //error_log('[MXCHAT-EMBED] Error: No embedding found in Gemini response');
2695 + //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
2696 +
2697 + if (isset($response_data['error'])) {
2698 + $error_message = "Gemini API Error in response: " . wp_json_encode($response_data['error']);
2699 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2700 + return $error_message;
2701 + }
2702 +
2703 + $error_message = "Invalid Gemini API response format: No embedding found";
2704 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2705 + return $error_message;
2706 + }
2707 + } else {
2708 + // OpenAI/Voyage API response format
2709 + if (isset($response_data['data'][0]['embedding'])) {
2710 + $embedding_dimensions = count($response_data['data'][0]['embedding']);
2711 + //error_log('[MXCHAT-EMBED] Successfully extracted embedding with ' . $embedding_dimensions . ' dimensions');
2712 +
2713 + // Check if embedding dimensions are as expected
2714 + if (($selected_model === 'text-embedding-ada-002' && $embedding_dimensions !== 1536) ||
2715 + ($selected_model === 'voyage-3-large' && $embedding_dimensions !== 2048)) {
2716 + //error_log('[MXCHAT-EMBED] Warning: Unexpected embedding dimensions');
2717 + }
2718 +
2719 + return $response_data['data'][0]['embedding'];
2720 + } else {
2721 + //error_log('[MXCHAT-EMBED] Error: No embedding found in response');
2722 + //error_log('[MXCHAT-EMBED] Response structure: ' . wp_json_encode(array_keys($response_data)));
2723 +
2724 + if (isset($response_data['error'])) {
2725 + $error_message = "API Error in response: " . wp_json_encode($response_data['error']);
2726 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2727 + return $error_message;
2728 + }
2729 +
2730 + $error_message = "Invalid API response format: No embedding found";
2731 + //error_log('[MXCHAT-EMBED] ' . $error_message);
2732 + return $error_message;
2733 + }
2734 + }
2735 + }
2736 +public function mxchat_ajax_dismiss_completed_status() {
2737 + try {
2738 + // Verify the request
2739 + check_ajax_referer('mxchat_status_nonce', 'nonce');
2740 +
2741 + if (!current_user_can('manage_options')) {
2742 + wp_send_json_error('Unauthorized access');
2743 + exit;
2744 + }
2745 +
2746 + $card_type = isset($_POST['card_type']) ? sanitize_text_field($_POST['card_type']) : '';
2747 +
2748 + if ($card_type === 'pdf') {
2749 + // Clear PDF status
2750 + $pdf_url = get_transient('mxchat_last_pdf_url');
2751 + if ($pdf_url) {
2752 + delete_transient('mxchat_pdf_status_' . md5($pdf_url));
2753 + delete_transient('mxchat_last_pdf_url');
2754 + }
2755 + } elseif ($card_type === 'sitemap') {
2756 + // Clear sitemap status
2757 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
2758 + if ($sitemap_url) {
2759 + delete_transient('mxchat_sitemap_status_' . md5($sitemap_url));
2760 + delete_transient('mxchat_last_sitemap_url');
2761 + }
2762 + }
2763 +
2764 + wp_send_json_success(array('message' => 'Status dismissed successfully'));
2765 +
2766 + } catch (Exception $e) {
2767 + wp_send_json_error(array('message' => 'Error dismissing status: ' . $e->getMessage()));
2768 + }
2769 +}
2770 +
2771 +/**
2772 + * Render completed status cards on page load
2773 + * This ensures completed processing status persists through page refreshes
2774 + */
2775 +public function mxchat_render_completed_status_cards() {
2776 + $output = '';
2777 +
2778 + // Check for completed PDF status
2779 + $pdf_url = get_transient('mxchat_last_pdf_url');
2780 + if ($pdf_url) {
2781 + $pdf_status = $this->mxchat_get_pdf_processing_status($pdf_url);
2782 + if ($pdf_status && ($pdf_status['status'] === 'complete' || $pdf_status['status'] === 'error')) {
2783 + $output .= $this->mxchat_render_pdf_status_card($pdf_status, $pdf_url);
2784 + }
2785 + }
2786 +
2787 + // Check for completed sitemap status
2788 + $sitemap_url = get_transient('mxchat_last_sitemap_url');
2789 + if ($sitemap_url) {
2790 + $sitemap_status = $this->mxchat_get_sitemap_processing_status($sitemap_url);
2791 + if ($sitemap_status && ($sitemap_status['status'] === 'complete' || $sitemap_status['status'] === 'error')) {
2792 + $output .= $this->mxchat_render_sitemap_status_card($sitemap_status, $sitemap_url);
2793 + }
2794 + }
2795 +
2796 + return $output;
2797 +}
2798 +
2799 +/**
2800 + * Render PDF status card HTML
2801 + */
2802 +private function mxchat_render_pdf_status_card($status, $pdf_url) {
2803 + $html = '<div class="mxchat-status-card" data-card-type="pdf">';
2804 + $html .= '<div class="mxchat-status-header">';
2805 + $html .= '<h4>' . esc_html__('PDF Processing Status', 'mxchat') . '</h4>';
2806 +
2807 + // Add dismiss button for completed status
2808 + if ($status['status'] === 'complete' || $status['status'] === 'error') {
2809 + $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
2810 + }
2811 +
2812 + // Process Batch button for processing status
2813 + if ($status['status'] === 'processing') {
2814 + $html .= '<button type="button" class="mxchat-manual-batch-btn"
2815 + data-process-type="pdf"
2816 + data-url="' . esc_attr($pdf_url) . '">
2817 + ' . esc_html__('Process Batch', 'mxchat') . '</button>';
2818 + }
2819 +
2820 + // Add status badges
2821 + if ($status['status'] === 'error') {
2822 + $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
2823 + } elseif ($status['status'] === 'complete') {
2824 + if ($status['failed_pages'] > 0) {
2825 + $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
2826 + sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_pages']) . '</span>';
2827 + } else {
2828 + $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
2829 + }
2830 + }
2831 +
2832 + $html .= '</div>'; // End header
2833 +
2834 + // Progress bar
2835 + $html .= '<div class="mxchat-progress-bar">';
2836 + $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
2837 + $html .= '</div>';
2838 +
2839 + // Status details
2840 + $html .= '<div class="mxchat-status-details">';
2841 + $html .= '<p>' . sprintf(
2842 + esc_html__('Progress: %d of %d pages (%d%%)', 'mxchat'),
2843 + $status['processed_pages'],
2844 + $status['total_pages'],
2845 + $status['percentage']
2846 + ) . '</p>';
2847 +
2848 + // Show failed pages count if any
2849 + if ($status['failed_pages'] > 0) {
2850 + $html .= '<p><strong>' . esc_html__('Failed pages:', 'mxchat') . '</strong> ' . esc_html($status['failed_pages']) . '</p>';
2851 + }
2852 +
2853 + $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
2854 + $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
2855 +
2856 + // Add completion summary if available AND it's an array
2857 + if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
2858 + $summary = $status['completion_summary'];
2859 + $html .= '<div class="mxchat-completion-summary">';
2860 + $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
2861 + $html .= '<p><strong>' . esc_html__('Total Pages:', 'mxchat') . '</strong> ' . esc_html($summary['total_pages']) . '</p>';
2862 + $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_pages']) . '</p>';
2863 + $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_pages']) . '</p>';
2864 + $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
2865 + $html .= '</div>';
2866 + }
2867 +
2868 + // Add failed pages list if any AND it's an array
2869 + if (isset($status['failed_pages_list']) && is_array($status['failed_pages_list']) && !empty($status['failed_pages_list'])) {
2870 + $html .= $this->mxchat_render_failed_pages_list($status['failed_pages_list']);
2871 + }
2872 +
2873 + // Add error message if any
2874 + if (isset($status['error']) && !empty($status['error'])) {
2875 + $html .= '<div class="mxchat-error-notice">';
2876 + $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
2877 + $html .= '</div>';
2878 + }
2879 +
2880 + $html .= '</div>'; // End details
2881 + $html .= '</div>'; // End card
2882 +
2883 + return $html;
2884 +}
2885 +/**
2886 + * Render sitemap status card HTML
2887 + */
2888 +private function mxchat_render_sitemap_status_card($status, $sitemap_url) {
2889 + $html = '<div class="mxchat-status-card" data-card-type="sitemap">';
2890 + $html .= '<div class="mxchat-status-header">';
2891 + $html .= '<h4>' . esc_html__('Sitemap Processing Status', 'mxchat') . '</h4>';
2892 +
2893 + // Add dismiss button for completed status
2894 + if ($status['status'] === 'complete' || $status['status'] === 'error') {
2895 + $html .= '<button type="button" class="mxchat-dismiss-button">' . esc_html__('Dismiss', 'mxchat') . '</button>';
2896 + }
2897 +
2898 + // Process Batch button for processing status
2899 + if ($status['status'] === 'processing') {
2900 + $html .= '<button type="button" class="mxchat-manual-batch-btn"
2901 + data-process-type="sitemap"
2902 + data-url="' . esc_attr($sitemap_url) . '">
2903 + ' . esc_html__('Process Batch', 'mxchat') . '</button>';
2904 + }
2905 +
2906 + // Add status badges
2907 + if ($status['status'] === 'error') {
2908 + $html .= '<span class="mxchat-status-badge mxchat-status-failed">' . esc_html__('Error', 'mxchat') . '</span>';
2909 + } elseif ($status['status'] === 'complete') {
2910 + if ($status['failed_urls'] > 0) {
2911 + $html .= '<span class="mxchat-status-badge mxchat-status-warning">' .
2912 + sprintf(esc_html__('Completed with %d failures', 'mxchat'), $status['failed_urls']) . '</span>';
2913 + } else {
2914 + $html .= '<span class="mxchat-status-badge mxchat-status-success">' . esc_html__('Complete', 'mxchat') . '</span>';
2915 + }
2916 + }
2917 +
2918 + $html .= '</div>'; // End header
2919 +
2920 + // Progress bar
2921 + $html .= '<div class="mxchat-progress-bar">';
2922 + $html .= '<div class="mxchat-progress-fill" style="width: ' . esc_attr($status['percentage']) . '%"></div>';
2923 + $html .= '</div>';
2924 +
2925 + // Status details
2926 + $html .= '<div class="mxchat-status-details">';
2927 + $html .= '<p>' . sprintf(
2928 + esc_html__('Progress: %d of %d URLs (%d%%)', 'mxchat'),
2929 + $status['processed_urls'],
2930 + $status['total_urls'],
2931 + $status['percentage']
2932 + ) . '</p>';
2933 +
2934 + // Show failed URLs count if any
2935 + if ($status['failed_urls'] > 0) {
2936 + $html .= '<p><strong>' . esc_html__('Failed URLs:', 'mxchat') . '</strong> ' . esc_html($status['failed_urls']) . '</p>';
2937 + }
2938 +
2939 + $html .= '<p><strong>' . esc_html__('Status:', 'mxchat') . '</strong> ' . esc_html(ucfirst($status['status'])) . '</p>';
2940 + $html .= '<p><strong>' . esc_html__('Last update:', 'mxchat') . '</strong> ' . esc_html($status['last_update']) . '</p>';
2941 +
2942 + // Add completion summary if available AND it's an array
2943 + if (isset($status['completion_summary']) && is_array($status['completion_summary']) && !empty($status['completion_summary'])) {
2944 + $summary = $status['completion_summary'];
2945 + $html .= '<div class="mxchat-completion-summary">';
2946 + $html .= '<h5>' . esc_html__('Processing Summary', 'mxchat') . '</h5>';
2947 + $html .= '<p><strong>' . esc_html__('Total URLs:', 'mxchat') . '</strong> ' . esc_html($summary['total_urls']) . '</p>';
2948 + $html .= '<p><strong>' . esc_html__('Successful:', 'mxchat') . '</strong> ' . esc_html($summary['successful_urls']) . '</p>';
2949 + $html .= '<p><strong>' . esc_html__('Failed:', 'mxchat') . '</strong> ' . esc_html($summary['failed_urls']) . '</p>';
2950 + $html .= '<p><strong>' . esc_html__('Completed:', 'mxchat') . '</strong> ' . esc_html($summary['completion_time']) . '</p>';
2951 + $html .= '</div>';
2952 + }
2953 +
2954 + // Add error messages if any (but not the failed URLs list)
2955 + if (!empty($status['error']) || !empty($status['last_error'])) {
2956 + $html .= '<div class="mxchat-error-notice">';
2957 +
2958 + if (!empty($status['error'])) {
2959 + $html .= '<p class="error">' . esc_html($status['error']) . '</p>';
2960 + }
2961 +
2962 + if (!empty($status['last_error'])) {
2963 + $html .= '<p class="last-error">' . esc_html__('Last error:', 'mxchat') . ' ' . esc_html($status['last_error']) . '</p>';
2964 + }
2965 +
2966 + $html .= '</div>';
2967 + }
2968 +
2969 + $html .= '</div>'; // End details
2970 + $html .= '</div>'; // End card
2971 +
2972 + return $html;
2973 +}
2974 +
2975 +
2976 +/**
2977 + * Render failed pages list
2978 + */
2979 +private function mxchat_render_failed_pages_list($failed_pages_list) {
2980 + // Validate that $failed_pages_list is an array and not empty
2981 + if (!is_array($failed_pages_list) || empty($failed_pages_list)) {
2982 + return '';
2983 + }
2984 +
2985 + $html = '<div class="mxchat-error-notice">';
2986 + $html .= '<div class="mxchat-failed-pages-container">';
2987 + $html .= '<h5>' . sprintf(esc_html__('Failed Pages (%d)', 'mxchat'), count($failed_pages_list)) . '</h5>';
2988 + $html .= '<details>';
2989 + $html .= '<summary>' . esc_html__('Show Failed Pages', 'mxchat') . '</summary>';
2990 + $html .= '<div class="mxchat-failed-pages-list">';
2991 +
2992 + // Create table for failed pages
2993 + $html .= '<table class="widefat striped">';
2994 + $html .= '<thead><tr>';
2995 + $html .= '<th>' . esc_html__('Page', 'mxchat') . '</th>';
2996 + $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
2997 + $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
2998 + $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
2999 + $html .= '</tr></thead><tbody>';
3000 +
3001 + // Sort failed pages by most recent
3002 + $sorted_failed_pages = $failed_pages_list;
3003 + usort($sorted_failed_pages, function($a, $b) {
3004 + return ($b['time'] ?? 0) - ($a['time'] ?? 0);
3005 + });
3006 +
3007 + foreach ($sorted_failed_pages as $item) {
3008 + // Ensure $item is an array before accessing its elements
3009 + if (!is_array($item)) {
3010 + continue;
3011 + }
3012 +
3013 + $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
3014 + $html .= '<tr>';
3015 + $html .= '<td>' . esc_html__('Page', 'mxchat') . ' ' . esc_html($item['page'] ?? 'Unknown') . '</td>';
3016 + $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
3017 + $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
3018 + $html .= '<td>' . esc_html($time_ago) . '</td>';
3019 + $html .= '</tr>';
3020 + }
3021 +
3022 + $html .= '</tbody></table>';
3023 + $html .= '</div></details></div></div>';
3024 +
3025 + return $html;
3026 +}
3027 +
3028 +/**
3029 + * Render failed URLs list
3030 + */
3031 +private function mxchat_render_failed_urls_list($failed_urls_list) {
3032 + // Validate that $failed_urls_list is an array and not empty
3033 + if (!is_array($failed_urls_list) || empty($failed_urls_list)) {
3034 + return '';
3035 + }
3036 +
3037 + $html = '<div class="mxchat-failed-urls-container">';
3038 + $html .= '<h5>' . sprintf(esc_html__('Failed URLs (%d)', 'mxchat'), count($failed_urls_list)) . '</h5>';
3039 + $html .= '<details>';
3040 + $html .= '<summary>' . esc_html__('Show Failed URLs', 'mxchat') . '</summary>';
3041 + $html .= '<div class="mxchat-failed-urls-list">';
3042 +
3043 + // Create table for failed URLs
3044 + $html .= '<table class="widefat striped">';
3045 + $html .= '<thead><tr>';
3046 + $html .= '<th>' . esc_html__('URL', 'mxchat') . '</th>';
3047 + $html .= '<th>' . esc_html__('Error', 'mxchat') . '</th>';
3048 + $html .= '<th>' . esc_html__('Retries', 'mxchat') . '</th>';
3049 + $html .= '<th>' . esc_html__('Time', 'mxchat') . '</th>';
3050 + $html .= '</tr></thead><tbody>';
3051 +
3052 + // Sort failed URLs by most recent
3053 + $sorted_failed_urls = $failed_urls_list;
3054 + usort($sorted_failed_urls, function($a, $b) {
3055 + return ($b['time'] ?? 0) - ($a['time'] ?? 0);
3056 + });
3057 +
3058 + // Show up to 50 failed URLs
3059 + $display_urls = array_slice($sorted_failed_urls, 0, 50);
3060 +
3061 + foreach ($display_urls as $item) {
3062 + // Ensure $item is an array before accessing its elements
3063 + if (!is_array($item)) {
3064 + continue;
3065 + }
3066 +
3067 + $url = $item['url'] ?? '';
3068 + $time_ago = isset($item['time']) ? human_time_diff($item['time'], current_time('timestamp')) . ' ' . esc_html__('ago', 'mxchat') : 'Unknown';
3069 +
3070 + // Truncate URL for display
3071 + $display_url = strlen($url) > 50 ? substr($url, 0, 47) . '...' : $url;
3072 +
3073 + $html .= '<tr>';
3074 + $html .= '<td style="word-break: break-all;">';
3075 + if (!empty($url)) {
3076 + $html .= '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($display_url) . '</a>';
3077 + } else {
3078 + $html .= esc_html__('Unknown URL', 'mxchat');
3079 + }
3080 + $html .= '</td>';
3081 + $html .= '<td style="word-break: break-word;">' . esc_html($item['error'] ?? 'Unknown error') . '</td>';
3082 + $html .= '<td>' . esc_html($item['retries'] ?? 'N/A') . '</td>';
3083 + $html .= '<td>' . esc_html($time_ago) . '</td>';
3084 + $html .= '</tr>';
3085 + }
3086 +
3087 + $html .= '</tbody></table>';
3088 +
3089 + if (count($failed_urls_list) > 50) {
3090 + $html .= '<div class="mxchat-failed-urls-more">+ ' .
3091 + (count($failed_urls_list) - 50) .
3092 + ' ' . esc_html__('more failed URLs not shown', 'mxchat') . '</div>';
3093 + }
3094 +
3095 + $html .= '</div></details></div>';
3096 +
3097 + return $html;
3098 +}
3099 +
3100 +/**
3101 + * Get all ACF fields for a specific post
3102 + */
3103 +public function mxchat_get_acf_fields_for_post($post_id) {
3104 + if (!function_exists('get_fields')) {
3105 + return array();
3106 + }
3107 +
3108 + $fields = get_fields($post_id);
3109 + if (!$fields || !is_array($fields)) {
3110 + return array();
3111 + }
3112 +
3113 + return $fields;
3114 +}
3115 +
3116 +/**
3117 + * Format ACF field values for content extraction
3118 + */
3119 +public function mxchat_format_acf_field_value($value, $field_name = '', $post_id = 0) {
3120 + if (empty($value)) {
3121 + return '';
3122 + }
3123 +
3124 + // Handle different ACF field types
3125 + if (is_array($value)) {
3126 + // Check if it's an image/file field
3127 + if (isset($value['url'])) {
3128 + // Image field - return alt text, title, or caption
3129 + if (!empty($value['alt'])) {
3130 + return $value['alt'];
3131 + } elseif (!empty($value['title'])) {
3132 + return $value['title'];
3133 + } elseif (!empty($value['caption'])) {
3134 + return $value['caption'];
3135 + } else {
3136 + return ''; // Don't include just the URL
3137 + }
3138 + }
3139 +
3140 + // Check if it's a post object or relationship field
3141 + if (isset($value['post_title'])) {
3142 + return $value['post_title'];
3143 + }
3144 +
3145 + // Check if it's a user field
3146 + if (isset($value['display_name'])) {
3147 + return $value['display_name'];
3148 + }
3149 +
3150 + // Check if it's a taxonomy term
3151 + if (isset($value['name']) && isset($value['taxonomy'])) {
3152 + return $value['name'];
3153 + }
3154 +
3155 + // Check if it's a select field with label
3156 + if (isset($value['label'])) {
3157 + return $value['label'];
3158 + }
3159 +
3160 + // Check for repeater field or flexible content
3161 + if (is_numeric(key($value))) {
3162 + $sub_values = array();
3163 + foreach ($value as $sub_item) {
3164 + if (is_array($sub_item)) {
3165 + // For repeater/flexible content, extract text values
3166 + $sub_text = $this->mxchat_extract_text_from_acf_array($sub_item);
3167 + if (!empty($sub_text)) {
3168 + $sub_values[] = $sub_text;
3169 + }
3170 + } else {
3171 + $sub_values[] = (string) $sub_item;
3172 + }
3173 + }
3174 + return implode(', ', array_filter($sub_values));
3175 + }
3176 +
3177 + // For other arrays, try to extract meaningful text
3178 + $text_values = array();
3179 + foreach ($value as $key => $val) {
3180 + if (is_string($val) && !empty(trim($val))) {
3181 + $text_values[] = trim($val);
3182 + } elseif (is_array($val) && isset($val['post_title'])) {
3183 + $text_values[] = $val['post_title'];
3184 + } elseif (is_array($val) && isset($val['name'])) {
3185 + $text_values[] = $val['name'];
3186 + }
3187 + }
3188 +
3189 + return implode(', ', array_filter($text_values));
3190 + }
3191 +
3192 + // Handle object values
3193 + if (is_object($value)) {
3194 + if (isset($value->post_title)) {
3195 + return $value->post_title;
3196 + } elseif (isset($value->display_name)) {
3197 + return $value->display_name;
3198 + } elseif (isset($value->name)) {
3199 + return $value->name;
3200 + } elseif (method_exists($value, '__toString')) {
3201 + return (string) $value;
3202 + }
3203 + return '';
3204 + }
3205 +
3206 + // Handle boolean values
3207 + if (is_bool($value)) {
3208 + return $value ? 'Yes' : 'No';
3209 + }
3210 +
3211 + // For everything else, convert to string
3212 + return (string) $value;
3213 +}
3214 +
3215 +/**
3216 + * Extract text from complex ACF array structures
3217 + */
3218 +private function mxchat_extract_text_from_acf_array($array) {
3219 + if (!is_array($array)) {
3220 + return '';
3221 + }
3222 +
3223 + $text_parts = array();
3224 +
3225 + foreach ($array as $key => $value) {
3226 + if (is_string($value) && !empty(trim($value))) {
3227 + // Skip keys that are likely to be IDs or technical values
3228 + if (!is_numeric($value) || strlen($value) > 10) {
3229 + $text_parts[] = trim($value);
3230 + }
3231 + } elseif (is_array($value)) {
3232 + if (isset($value['post_title'])) {
3233 + $text_parts[] = $value['post_title'];
3234 + } elseif (isset($value['name'])) {
3235 + $text_parts[] = $value['name'];
3236 + } elseif (isset($value['label'])) {
3237 + $text_parts[] = $value['label'];
3238 + }
3239 + }
3240 + }
3241 +
3242 + return implode(', ', array_filter($text_parts));
3243 +}
3244 +
3245 +
3246 +
3247 +public function mxchat_handle_post_update($post_id, $post, $update) {
3248 + // Basic validation checks
3249 + if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE || wp_is_post_revision($post_id)) {
3250 + return;
3251 + }
3252 +
3253 + // Only process published content
3254 + if ($post->post_status !== 'publish') {
3255 + return;
3256 + }
3257 +
3258 + $post_type = $post->post_type;
3259 +
3260 + // Check if sync is enabled for this post type
3261 + $should_sync = false;
3262 +
3263 + // Check built-in post types first
3264 + if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
3265 + $should_sync = true;
3266 + } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
3267 + $should_sync = true;
3268 + } else {
3269 + // Check custom post types
3270 + $option_name = 'mxchat_auto_sync_' . $post_type;
3271 + if (get_option($option_name) === '1') {
3272 + $should_sync = true;
3273 + }
3274 + }
3275 +
3276 + if (!$should_sync) {
3277 + return;
3278 + }
3279 +
3280 + // Get content with proper formatting (matching ajax_mxchat_process_selected_content)
3281 + $title = get_the_title($post_id);
3282 + $content = get_post_field('post_content', $post_id);
3283 +
3284 + // Apply WordPress content filters to get properly formatted content
3285 + $content = apply_filters('the_content', $content);
3286 +
3287 + // Strip tags but preserve structure
3288 + $content = wp_strip_all_tags($content);
3289 +
3290 + // Combine title and content
3291 + $final_content = $title . "\n\n" . $content;
3292 +
3293 + // For custom post types like job_listing, include additional fields
3294 + if ($post_type === 'job_listing') {
3295 + // Add job-specific meta if available
3296 + $job_location = get_post_meta($post_id, '_job_location', true);
3297 + if (!empty($job_location)) {
3298 + $final_content .= "\n\nLocation: " . $job_location;
3299 + }
3300 +
3301 + // Get job type terms
3302 + $job_types = get_the_terms($post_id, 'job_listing_type');
3303 + if (!empty($job_types) && !is_wp_error($job_types)) {
3304 + $types = array();
3305 + foreach ($job_types as $type) {
3306 + $types[] = $type->name;
3307 + }
3308 + $final_content .= "\n\nJob Type: " . implode(', ', $types);
3309 + }
3310 +
3311 + // Get company name if available
3312 + $company_name = get_post_meta($post_id, '_company_name', true);
3313 + if (!empty($company_name)) {
3314 + $final_content .= "\n\nCompany: " . $company_name;
3315 + }
3316 + }
3317 +
3318 + // Get the source URL
3319 + $source_url = get_permalink($post_id);
3320 +
3321 + // Get API key with proper model detection
3322 + $options = get_option('mxchat_options');
3323 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
3324 +
3325 + if (strpos($selected_model, 'voyage') === 0) {
3326 + $api_key = $options['voyage_api_key'] ?? '';
3327 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
3328 + $api_key = $options['gemini_api_key'] ?? '';
3329 + } else {
3330 + $api_key = $options['api_key'] ?? '';
3331 + }
3332 +
3333 + if (empty($api_key)) {
3334 + //error_log('MxChat Auto-sync: No API key configured for embedding model');
3335 + return;
3336 + }
3337 +
3338 + // Use the centralized utility function for storage
3339 + $result = MxChat_Utils::submit_content_to_db(
3340 + $final_content,
3341 + $source_url,
3342 + $api_key,
3343 + md5($source_url) // Vector ID for Pinecone
3344 + );
3345 +
3346 + if (is_wp_error($result)) {
3347 + //error_log('MxChat Auto-sync failed for post ' . $post_id . ': ' . $result->get_error_message());
3348 + }
3349 +}
3350 +
3351 +
3352 +public function mxchat_handle_post_delete($post_id) {
3353 + // Get post data before it's deleted
3354 + $post = get_post($post_id);
3355 +
3356 + // Basic validation
3357 + if (!$post || wp_is_post_revision($post_id)) {
3358 + return;
3359 + }
3360 +
3361 + $post_type = $post->post_type;
3362 +
3363 + // Check if sync is enabled for this post type
3364 + $should_sync = false;
3365 +
3366 + // Check built-in post types first
3367 + if ($post_type === 'post' && get_option('mxchat_auto_sync_posts') === '1') {
3368 + $should_sync = true;
3369 + } else if ($post_type === 'page' && get_option('mxchat_auto_sync_pages') === '1') {
3370 + $should_sync = true;
3371 + } else {
3372 + // Check custom post types
3373 + $option_name = 'mxchat_auto_sync_' . $post_type;
3374 + if (get_option($option_name) === '1') {
3375 + $should_sync = true;
3376 + }
3377 + }
3378 +
3379 + if (!$should_sync) {
3380 + return;
3381 + }
3382 +
3383 + // Get the URL before post is deleted
3384 + $source_url = get_permalink($post_id);
3385 + if (!$source_url) {
3386 + //error_log('MXChat: Failed to get permalink for post ' . $post_id);
3387 + return;
3388 + }
3389 +
3390 + // Check if Pinecone is enabled
3391 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3392 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3393 +
3394 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3395 + // Delete from Pinecone
3396 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
3397 + } else {
3398 + // Delete from WordPress DB
3399 + global $wpdb;
3400 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3401 +
3402 + $result = $wpdb->delete(
3403 + $table_name,
3404 + array('source_url' => $source_url),
3405 + array('%s')
3406 + );
3407 +
3408 + if ($result === false) {
3409 + //error_log('MXChat: WordPress DB deletion failed for URL: ' . $source_url);
3410 + }
3411 + }
3412 +}
3413 +
3414 +
3415 + /**
3416 + * Deletes data from Pinecone using a source URL
3417 + */
3418 + public function mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options) {
3419 + $host = $pinecone_options['mxchat_pinecone_host'] ?? '';
3420 + $api_key = $pinecone_options['mxchat_pinecone_api_key'] ?? '';
3421 +
3422 + if (empty($host) || empty($api_key)) {
3423 + //error_log('MXChat: Pinecone deletion failed - missing configuration');
3424 + return false;
3425 + }
3426 +
3427 + $api_endpoint = "https://{$host}/vectors/delete";
3428 + $vector_id = md5($source_url);
3429 +
3430 + $request_body = array(
3431 + 'ids' => array($vector_id)
3432 + );
3433 +
3434 + $response = wp_remote_post($api_endpoint, array(
3435 + 'headers' => array(
3436 + 'Api-Key' => $api_key,
3437 + 'accept' => 'application/json',
3438 + 'content-type' => 'application/json'
3439 + ),
3440 + 'body' => wp_json_encode($request_body),
3441 + 'timeout' => 30
3442 + ));
3443 +
3444 + if (is_wp_error($response)) {
3445 + //error_log('MXChat: Pinecone deletion error - ' . $response->get_error_message());
3446 + return false;
3447 + }
3448 +
3449 + $response_code = wp_remote_retrieve_response_code($response);
3450 + if ($response_code !== 200) {
3451 + //error_log('MXChat: Pinecone deletion failed with status ' . $response_code);
3452 + return false;
3453 + }
3454 +
3455 + return true;
3456 + }
3457 +
3458 +
3459 +
3460 +public function mxchat_handle_product_change($post_id, $post, $update) {
3461 + if ($post->post_type !== 'product') {
3462 + return;
3463 + }
3464 +
3465 + if ($post->post_status === 'publish') {
3466 + add_action('shutdown', function() use ($post_id) {
3467 + $product = wc_get_product($post_id);
3468 + if ($product) {
3469 + $this->mxchat_store_product_embedding($product);
3470 + }
3471 + });
3472 + }
3473 +}
3474 +
3475 +/**
3476 + * Store WooCommerce product embeddings
3477 + */
3478 +private function mxchat_store_product_embedding($product) {
3479 + if (!isset($this->options['enable_woocommerce_integration']) ||
3480 + !in_array($this->options['enable_woocommerce_integration'], ['1', 'on'])) {
3481 + return;
3482 + }
3483 +
3484 + $source_url = get_permalink($product->get_id());
3485 +
3486 + // Build product content
3487 + $title = $product->get_name();
3488 + $description = $product->get_description();
3489 + $short_description = $product->get_short_description();
3490 + $regular_price = $product->get_regular_price();
3491 + $sale_price = $product->get_sale_price();
3492 + $sku = $product->get_sku();
3493 +
3494 + // Format content consistently
3495 + $content = $title . "\n\n";
3496 +
3497 + if (!empty($description)) {
3498 + $content .= wp_strip_all_tags($description) . "\n\n";
3499 + }
3500 +
3501 + if (!empty($short_description)) {
3502 + $content .= "Short Description: " . wp_strip_all_tags($short_description) . "\n\n";
3503 + }
3504 +
3505 + $content .= "Price: $" . $regular_price . "\n";
3506 +
3507 + if (!empty($sale_price)) {
3508 + $content .= "Sale Price: $" . $sale_price . "\n";
3509 + }
3510 +
3511 + if (!empty($sku)) {
3512 + $content .= "SKU: " . $sku . "\n";
3513 + }
3514 +
3515 + // Get API key with proper model detection
3516 + $options = get_option('mxchat_options');
3517 + $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
3518 +
3519 + if (strpos($selected_model, 'voyage') === 0) {
3520 + $api_key = $options['voyage_api_key'] ?? '';
3521 + } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
3522 + $api_key = $options['gemini_api_key'] ?? '';
3523 + } else {
3524 + $api_key = $options['api_key'] ?? '';
3525 + }
3526 +
3527 + if (empty($api_key)) {
3528 + //error_log('MxChat Auto-sync: No API key configured for embedding model');
3529 + return;
3530 + }
3531 +
3532 + // Use the centralized utility function for storage
3533 + $result = MxChat_Utils::submit_content_to_db(
3534 + $content,
3535 + $source_url,
3536 + $api_key,
3537 + md5($source_url) // Vector ID for Pinecone
3538 + );
3539 +
3540 + if (is_wp_error($result)) {
3541 + //error_log('MxChat WooCommerce sync failed for product ' . $product->get_id() . ': ' . $result->get_error_message());
3542 + }
3543 +}
3544 +
3545 +public function mxchat_handle_product_delete($post_id) {
3546 + if (get_post_type($post_id) !== 'product') {
3547 + return;
3548 + }
3549 +
3550 + $source_url = get_permalink($post_id);
3551 +
3552 + // Check if Pinecone is enabled
3553 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3554 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3555 +
3556 + if ($use_pinecone && !empty($pinecone_options['mxchat_pinecone_api_key'])) {
3557 + // Delete from Pinecone
3558 + $this->mxchat_delete_from_pinecone_by_url($source_url, $pinecone_options);
3559 + } else {
3560 + // Delete from WordPress DB
3561 + global $wpdb;
3562 + $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
3563 +
3564 + $wpdb->delete(
3565 + $table_name,
3566 + array('source_url' => $source_url),
3567 + array('%s')
3568 + );
3569 + }
3570 +}
3571 +
3572 +/**
3573 + * Handle individual Pinecone content deletion
3574 + */
3575 +public function mxchat_handle_pinecone_prompt_delete() {
3576 + // Check permissions
3577 + if (!current_user_can('manage_options')) {
3578 + wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
3579 + }
3580 +
3581 + // Verify nonce
3582 + if (!isset($_GET['_wpnonce']) || !wp_verify_nonce($_GET['_wpnonce'], 'mxchat_delete_pinecone_prompt_nonce')) {
3583 + wp_die(esc_html__('Security check failed.', 'mxchat'));
3584 + }
3585 +
3586 + $vector_id = isset($_GET['vector_id']) ? sanitize_text_field($_GET['vector_id']) : '';
3587 +
3588 + if (empty($vector_id)) {
3589 + set_transient('mxchat_admin_notice_error',
3590 + esc_html__('Invalid vector ID.', 'mxchat'),
3591 + 30
3592 + );
3593 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3594 + exit;
3595 + }
3596 +
3597 + // Get Pinecone settings
3598 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3599 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3600 +
3601 + if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
3602 + set_transient('mxchat_admin_notice_error',
3603 + esc_html__('Pinecone is not properly configured.', 'mxchat'),
3604 + 30
3605 + );
3606 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3607 + exit;
3608 + }
3609 +
3610 + // Delete from Pinecone
3611 + $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
3612 + $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
3613 + $vector_id,
3614 + $pinecone_options['mxchat_pinecone_api_key'],
3615 + $pinecone_options['mxchat_pinecone_host']
3616 + );
3617 +
3618 + if ($result['success']) {
3619 + // Remove from ALL caches
3620 + $pinecone_manager->mxchat_remove_from_pinecone_vector_cache($vector_id);
3621 + $pinecone_manager->mxchat_remove_from_processed_content_caches($vector_id);
3622 +
3623 + // CLEAR ALL RELEVANT CACHES
3624 + delete_transient('mxchat_pinecone_recent_1k_cache');
3625 + delete_option('mxchat_pinecone_vector_ids_cache');
3626 + delete_option('mxchat_pinecone_processed_cache');
3627 + delete_option('mxchat_processed_content_cache');
3628 +
3629 + // Also force refresh for next page load
3630 + $pinecone_manager->mxchat_refresh_after_new_content($pinecone_options);
3631 +
3632 + set_transient('mxchat_admin_notice_success',
3633 + esc_html__('Entry deleted successfully from Pinecone.', 'mxchat'),
3634 + 30
3635 + );
3636 + } else {
3637 + set_transient('mxchat_admin_notice_error',
3638 + esc_html__('Failed to delete entry: ', 'mxchat') . $result['message'],
3639 + 30
3640 + );
3641 + }
3642 +
3643 + wp_safe_redirect(admin_url('admin.php?page=mxchat-prompts'));
3644 + exit;
3645 +}
3646 +
3647 +public function ajax_mxchat_delete_pinecone_prompt() {
3648 + // Verify nonce and permissions
3649 + if (!check_ajax_referer('mxchat_delete_pinecone_prompt_nonce', 'nonce', false)) {
3650 + wp_send_json_error('Invalid nonce');
3651 + exit;
3652 + }
3653 +
3654 + if (!current_user_can('manage_options')) {
3655 + wp_send_json_error('Unauthorized access');
3656 + exit;
3657 + }
3658 +
3659 + $vector_id = isset($_POST['vector_id']) ? sanitize_text_field($_POST['vector_id']) : '';
3660 +
3661 + if (empty($vector_id)) {
3662 + wp_send_json_error('Missing vector ID');
3663 + exit;
3664 + }
3665 +
3666 + // Get Pinecone settings
3667 + $pinecone_options = get_option('mxchat_pinecone_addon_options', array());
3668 + $use_pinecone = ($pinecone_options['mxchat_use_pinecone'] ?? '0') === '1';
3669 +
3670 + if (!$use_pinecone || empty($pinecone_options['mxchat_pinecone_api_key'])) {
3671 + wp_send_json_error('Pinecone is not properly configured');
3672 + exit;
3673 + }
3674 +
3675 + // Delete from Pinecone
3676 + $pinecone_manager = MxChat_Pinecone_Manager::get_instance();
3677 + $result = $pinecone_manager->mxchat_delete_from_pinecone_by_vector_id(
3678 + $vector_id,
3679 + $pinecone_options['mxchat_pinecone_api_key'],
3680 + $pinecone_options['mxchat_pinecone_host']
3681 + );
3682 +
3683 + if ($result['success']) {
3684 + // Remove from ALL caches
3685 + $pinecone_manager->mxchat_remove_from_pinecone_vector_cache($vector_id);
3686 + $pinecone_manager->mxchat_remove_from_processed_content_caches($vector_id);
3687 +
3688 + // CLEAR ALL RELEVANT CACHES (ADD THESE LINES)
3689 + delete_transient('mxchat_pinecone_recent_1k_cache');
3690 + delete_option('mxchat_pinecone_vector_ids_cache');
3691 + delete_option('mxchat_pinecone_processed_cache');
3692 + delete_option('mxchat_processed_content_cache');
3693 +
3694 + // Also force refresh for next page load
3695 + $pinecone_manager->mxchat_refresh_after_new_content($pinecone_options);
3696 +
3697 + wp_send_json_success(array(
3698 + 'message' => 'Entry deleted successfully from Pinecone',
3699 + 'vector_id' => $vector_id
3700 + ));
3701 + } else {
3702 + wp_send_json_error('Failed to delete from Pinecone: ' . $result['message']);
3703 + }
3704 +
3705 + exit;
3706 +}
3707 +
3708 + // ========================================
3709 + // HELPER METHODS
3710 + // ========================================
3711 +
3712 + /**
3713 + * Check if user has required permissions for content processing
3714 + */
3715 + private function mxchat_check_user_permissions() {
3716 + if (!current_user_can('manage_options')) {
3717 + wp_die(esc_html__('You do not have sufficient permissions.', 'mxchat'));
3718 + }
3719 + }
3720 +
3721 + /**
3722 + * Validate nonce for security
3723 + */
3724 + private function mxchat_validate_nonce($nonce_name, $nonce_action) {
3725 + if (!isset($_POST[$nonce_name]) || !wp_verify_nonce($_POST[$nonce_name], $nonce_action)) {
3726 + wp_die(esc_html__('Security check failed.', 'mxchat'));
3727 + }
3728 + }
3729 +
3730 + /**
3731 + * Get embedding API credentials
3732 + */
3733 + private function mxchat_get_embedding_credentials() {
3734 + $embedding_model = $this->options['embedding_model'] ?? 'text-embedding-ada-002';
3735 +
3736 + if (strpos($embedding_model, 'text-embedding-') !== false) {
3737 + return array(
3738 + 'type' => 'openai',
3739 + 'api_key' => $this->options['api_key'] ?? ''
3740 + );
3741 + } elseif (strpos($embedding_model, 'voyage-') !== false) {
3742 + return array(
3743 + 'type' => 'voyage',
3744 + 'api_key' => $this->options['voyage_api_key'] ?? ''
3745 + );
3746 + } elseif (strpos($embedding_model, 'gemini-embedding-') !== false) {
3747 + return array(
3748 + 'type' => 'gemini',
3749 + 'api_key' => $this->options['gemini_api_key'] ?? ''
3750 + );
3751 + }
3752 +
3753 + return array('type' => 'unknown', 'api_key' => '');
3754 + }
3755 +
3756 + /**
3757 + * Log processing errors
3758 + */
3759 + private function mxchat_log_processing_error($operation, $error_message) {
3760 + //error_log("MxChat Knowledge Processing {$operation} Error: " . $error_message);
3761 + }
3762 +
3763 + /**
3764 + * Set admin notice transient
3765 + */
3766 + private function mxchat_set_admin_notice($type, $message) {
3767 + set_transient("mxchat_admin_notice_{$type}", $message, 30);
3768 + }
3769 +
3770 + /**
3771 + * Get Pinecone manager instance for vector operations
3772 + */
3773 + private function mxchat_get_pinecone_manager() {
3774 + return MxChat_Pinecone_Manager::get_instance();
3775 + }
3776 +
3777 + // ========================================
3778 + // STATIC ACCESS METHODS
3779 + // ========================================
3780 +
3781 + /**
3782 + * Get singleton instance
3783 + */
3784 + public static function get_instance() {
3785 + static $instance = null;
3786 + if ($instance === null) {
3787 + $instance = new self();
3788 + }
3789 + return $instance;
3790 + }
3791 +}
3792 +
3793 +// Initialize the Knowledge manager
8162 3794 $mxchat_knowledge_manager = MxChat_Knowledge_Manager::get_instance();