betterdocs / includes / class-betterdocs-docs-post-type.php

class-betterdocs-docs-post-type.php in BetterDocs – AI Documentation, Knowledge Base, MCP Server, Docs, Wikis, FAQ & Chatbot 2.0.5, at includes/class-betterdocs-docs-post-type.php

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1	<?php
2
3	/**
4	* Register docs post type and taxonomies.
5	*
6	* @link https://wpdeveloper.com
7	* @since 1.0.0
8	*
9	* @package BetterDocs
10	* @subpackage BetterDocs/includes
11	*/
12
13	use function YoastSEO_Vendor\GuzzleHttp\json_decode;
14
15	/**
16	* Register docs post type and taxonomies class.
17	*
18	*
19	* Also maintains the unique identifier of this plugin as well as the current
20	* version of the plugin.
21	*
22	* @since 1.0.0
23	* @package BetterDocs
24	* @subpackage BetterDocs/includes
25	* @author WPDeveloper <support@wpdeveloper.com>
26	*/
27	class BetterDocs_Docs_Post_Type
28	{
29	public static $post_type = 'docs';
30	public static $menu_position = 5;
31	public static $category = 'doc_category';
32	public static $tag = 'doc_tag';
33	public static $docs_archive;
34	public static $docs_slug;
35	public static $cat_slug;
36
37	/**
38	*
39	* Initialize the class and start calling our hooks and filters
40	*
41	* @since 1.0.0
42	*
43	*/
44	public static function init()
45	{
46	self::$docs_archive = self::get_docs_archive();
47	self::$docs_slug = self::get_docs_slug();
48	self::$cat_slug = self::docs_category_slug();
49	add_action('init', array(__CLASS__, 'register_post'));
50	add_action('parse_request', array(__CLASS__, 'docs_rewrite_parse_request'));
51	add_action('generate_rewrite_rules', array(__CLASS__, 'generate_rewrite_rules'));
52	add_filter('betterdocs_docs_rewrite', array(__CLASS__, 'docs_rewrite'), 9);
53	add_filter('post_type_link', array(__CLASS__, 'docs_show_permalinks'), 1, 3);
54	add_action('init', array(__CLASS__, 'flush_rewrite_rules'), 99999);
55	add_filter('rest_docs_collection_params', array(__CLASS__, 'add_rest_orderby_params'), 10, 1);
56	add_filter('rest_doc_category_collection_params', array(__CLASS__, 'add_rest_orderby_params_on_doc_category'), 10, 1);
57	add_filter('rest_doc_category_query', array(__CLASS__, 'modify_doc_category_rest_query'), 10, 2);
58	add_action('admin_head', array(__CLASS__, 'admin_order_terms'));
59	// doc category taxonomy media upload hooks
60	add_action('doc_category_add_form_fields', array(__CLASS__, 'add_doc_category_meta'), 10, 2);
61	add_action('doc_category_edit_form_fields', array(__CLASS__, 'update_doc_category_meta'), 10, 2);
62	add_action('created_doc_category', array(__CLASS__, 'save_doc_category_meta'), 10, 2);
63	add_action('edited_doc_category', array(__CLASS__, 'updated_doc_category_meta'), 10, 2);
64	add_action('admin_enqueue_scripts', array(__CLASS__, 'load_media'));
65	add_action('admin_footer', array(__CLASS__, 'add_script'));
66	// add doc category image on rest api
67	add_action('rest_api_init', array(__CLASS__, 'add_doc_category_meta_rest_api'), 10, 2);
68	}
69
70	public static function get_docs_slug()
71	{
72	$builtin_doc_page = BetterDocs_DB::get_settings('builtin_doc_page');
73	$docs_slug = BetterDocs_DB::get_settings('docs_slug');
74	$docs_page = BetterDocs_DB::get_settings('docs_page');
75
76	if ($builtin_doc_page == 1 && $docs_slug) {
77	$docs_post_slug = $docs_slug;
78	} elseif ($builtin_doc_page != 1 && $docs_page) {
79	$post_info = get_post($docs_page);
80	$docs_post_slug = $post_info->post_name;
81	} else {
82	$docs_post_slug = 'docs';
83	}
84
85	return $docs_post_slug;
86	}
87
88	public static function get_docs_archive()
89	{
90	$builtin_doc_page = BetterDocs_DB::get_settings('builtin_doc_page');
91	$docs_slug = BetterDocs_DB::get_settings('docs_slug');
92	$docs_page = BetterDocs_DB::get_settings('docs_page');
93
94	if ($builtin_doc_page == 1 && $docs_slug) {
95	$docs_post_slug = $docs_slug;
96	} elseif ($builtin_doc_page != 1 && $docs_page) {
97	$post_info = get_post($docs_page);
98	$docs_post_slug = $post_info->post_name;
99	} else {
100	$docs_post_slug = 'docs';
101	}
102
103	return $docs_post_slug;
104	}
105
106	public static function docs_category_slug()
107	{
108	$category_slug = BetterDocs_DB::get_settings('category_slug');
109
110	if (empty($category_slug)) {
111	$category_slug = 'docs-category';
112	}
113
114	return $category_slug;
115	}
116
117	/**
118	*
119	* Register post type and taxonomies
120	*
121	* @since 1.0.0
122	*
123	*/
124	public static function register_post()
125	{
126	$singular_name = BetterDocs_DB::get_settings('breadcrumb_doc_title');
127
128	/**
129	* Register category taxonomy
130	*/
131	$category_labels = array(
132	'name' => esc_html__('Docs Categories', 'betterdocs'),
133	'singular_name' => esc_html__('Docs Category', 'betterdocs'),
134	'all_items' => esc_html__('Docs Categories', 'betterdocs'),
135	'parent_item' => esc_html__('Parent Docs Category', 'betterdocs'),
136	'parent_item_colon' => esc_html__('Parent Docs Category:', 'betterdocs'),
137	'edit_item' => esc_html__('Edit Category', 'betterdocs'),
138	'update_item' => esc_html__('Update Category', 'betterdocs'),
139	'add_new_item' => esc_html__('Add New Docs Category', 'betterdocs'),
140	'new_item_name' => esc_html__('New Docs Name', 'betterdocs'),
141	'menu_name' => esc_html__('Categories', 'betterdocs')
142	);
143
144	$category_args = array(
145	'hierarchical' => true,
146	'public' => true,
147	'labels' => $category_labels,
148	'show_ui' => true,
149	'show_admin_column' => true,
150	'query_var' => true,
151	'show_in_rest' => true,
152	'has_archive' => true,
153	);
154
155	$category_args['rewrite'] = apply_filters('betterdocs_category_rewrite', array('slug' => self::$cat_slug, 'with_front' => false));
156
157	register_taxonomy(self::$category, array(self::$post_type), $category_args);
158
159	/**
160	* Register post type
161	*/
162	$labels = array(
163	'name' => ($singular_name) ? $singular_name : 'Docs',
164	'singular_name' => ($singular_name) ? $singular_name : 'Docs',
165	'menu_name' => esc_html__('BetterDocs', 'betterdocs'),
166	'name_admin_bar' => esc_html__('Docs', 'betterdocs'),
167	'add_new' => esc_html__('Add New', 'betterdocs'),
168	'add_new_item' => esc_html__('Add New Docs', 'betterdocs'),
169	'new_item' => esc_html__('New Docs', 'betterdocs'),
170	'edit_item' => esc_html__('Edit Docs', 'betterdocs'),
171	'view_item' => esc_html__('View Docs', 'betterdocs'),
172	'all_items' => esc_html__('All Docs', 'betterdocs'),
173	'search_items' => esc_html__('Search Docs', 'betterdocs'),
174	'parent_item_colorn' => null,
175	'not_found' => esc_html__('No docs found', 'betterdocs'),
176	'not_found_in_trash' => esc_html__('No docs found in trash', 'betterdocs')
177	);
178
179	$betterdocs_articles_caps = apply_filters('betterdocs_articles_caps', 'edit_posts', 'article_roles');
180
181	$args = array(
182	'labels' => $labels,
183	'description' => esc_html__('Add new doc from here', 'betterdocs'),
184	'public' => true,
185	'public_queryable' => true,
186	'exclude_from_search' => false,
187	'show_ui' => true,
188	'show_in_menu' => false,
189	'show_in_admin_bar' => $betterdocs_articles_caps,
190	'query_var' => true,
191	'capability_type' => 'post',
192	'hierarchical' => true,
193	'menu_position' => self::$menu_position,
194	'show_in_rest' => true,
195	'menu_icon' => BETTERDOCS_ADMIN_URL . '/assets/img/betterdocs-icon-white.svg', 100,
196	'supports' => array('title', 'editor', 'thumbnail', 'excerpt', 'author', 'revisions', 'custom-fields', 'comments')
197	);
198
199	$builtin_doc_page = BetterDocs_DB::get_settings('builtin_doc_page');
200
201	if ($builtin_doc_page == 'off') {
202	$args['has_archive'] = false;
203	} else {
204	$args['has_archive'] = self::$docs_archive;
205	}
206
207	$args['rewrite'] = apply_filters('betterdocs_docs_rewrite', array('slug' => self::$docs_archive, 'with_front' => false));
208
209	register_post_type(self::$post_type, $args);
210
211	/**
212	* Register tag taxonomy
213	*/
214	$tags_labels = array(
215	'name' => esc_html__('Docs Tags', 'betterdocs'),
216	'singular_name' => esc_html__('Tag', 'betterdocs'),
217	'search_items' => esc_html__('Search Tags', 'betterdocs'),
218	'popular_items' => esc_html__('Popular Tags', 'betterdocs'),
219	'all_items' => esc_html__('All Tags', 'betterdocs'),
220	'parent_item' => null,
221	'parent_item_colon' => null,
222	'edit_item' => esc_html__('Edit Tag', 'betterdocs'),
223	'update_item' => esc_html__('Update Tag', 'betterdocs'),
224	'add_new_item' => esc_html__('Add New Tag', 'betterdocs'),
225	'new_item_name' => esc_html__('New Tag Name', 'betterdocs'),
226	'separate_items_with_commas' => esc_html__('Separate tags with commas', 'betterdocs'),
227	'add_or_remove_items' => esc_html__('Add or remove tags', 'betterdocs'),
228	'choose_from_most_used' => esc_html__('Choose from the most used tags', 'betterdocs'),
229	'menu_name' => esc_html__('Tags', 'betterdocs'),
230	);
231
232	$tag_args = array(
233	'hierarchical' => true,
234	'labels' => $tags_labels,
235	'show_ui' => true,
236	'update_count_callback' => '_update_post_term_count',
237	'show_admin_column' => true,
238	'query_var' => true,
239	'show_in_rest' => true
240	);
241
242	$tag_slug = BetterDocs_DB::get_settings('tag_slug');
243
244	if ($tag_slug) {
245	$tag_args['rewrite'] = array('slug' => $tag_slug, 'with_front' => false);
246	} else {
247	$tag_args['rewrite'] = array('slug' => 'docs-tag', 'with_front' => false);
248	}
249
250	register_taxonomy(self::$tag, array(self::$post_type), $tag_args);
251	}
252
253	/**
254	* Add menu_order param to the list of rest api orderby values
255	*/
256	public static function add_rest_orderby_params($params)
257	{
258	$params['orderby']['enum'][] = 'menu_order';
259	return $params;
260	}
261
262	/**
263	* Add doc_category_order param to the list of rest api orderby values on doc_category taxonomy
264	*/
265	public static function add_rest_orderby_params_on_doc_category($params)
266	{
267	$params['orderby']['enum'][] = 'doc_category_order';
268	return $params;
269	}
270
271	/**
272	* Modify doc_category rest query for doc_category_order meta key
273	*/
274	public static function modify_doc_category_rest_query($args, $request)
275	{
276	$order_by = $request->get_param('orderby');
277	if (isset($order_by) && 'doc_category_order' === $order_by) {
278	$args['meta_key'] = $order_by;
279	$args['orderby'] = 'meta_value_num';
280	}
281	return $args;
282	}
283
284	/**
285	* load media for taxonomy category image
286	*
287	* @since 1.0.0
288	*/
289	public static function load_media()
290	{
291	wp_enqueue_media();
292	}
293
294	/**
295	* Default the taxonomy's terms' order if it's not set.
296	*
297	* @param string $tax_slug The taxonomy's slug.
298	*/
299	public static function default_term_order($tax_slug)
300	{
301	$terms = get_terms($tax_slug, array('hide_empty' => false));
302	$order = self::get_max_taxonomy_order($tax_slug);
303
304	foreach ($terms as $term) {
305	if (!get_term_meta($term->term_id, 'doc_category_order', true)) {
306	update_term_meta($term->term_id, 'doc_category_order', $order);
307	$order++;
308	}
309	}
310	}
311
312	/**
313	* Order the terms on the admin side.
314	*/
315	public static function admin_order_terms()
316	{
317	$screen = function_exists('get_current_screen') ? get_current_screen() : '';
318	$screen_id = isset($screen->id) ? $screen->id : '';
319	if (in_array($screen_id, array('toplevel_page_betterdocs-admin', 'betterdocs_page_betterdocs-settings'))) {
320	self::default_term_order('doc_category');
321	}
322
323	if (!isset($_GET['orderby']) && !empty($screen) && !empty($screen->base) && $screen->base === 'edit-tags' && $screen->taxonomy === 'doc_category') {
324	self::default_term_order($screen->taxonomy);
325	add_filter('terms_clauses', array(__CLASS__, 'set_tax_order'), 10, 3);
326	}
327	}
328
329	/**
330	* Get the maximum doc_category_order for this taxonomy. This will be applied to terms that don't have a tax position.
331	*/
332	private static function get_max_taxonomy_order($tax_slug)
333	{
334	global $wpdb;
335
336	$max_term_order = $wpdb->get_col(
337	$wpdb->prepare(
338	"SELECT MAX( CAST( tm.meta_value AS UNSIGNED ) )
339	FROM $wpdb->terms t
340	JOIN $wpdb->term_taxonomy tt ON t.term_id = tt.term_id AND tt.taxonomy = '%s'
341	JOIN $wpdb->termmeta tm ON tm.term_id = t.term_id WHERE tm.meta_key = 'doc_category_order'",
342	$tax_slug
343	)
344	);
345
346	$max_term_order = is_array($max_term_order) ? current($max_term_order) : 0;
347
348	return (int) $max_term_order === 0 \|\| empty($max_term_order) ? 1 : (int) $max_term_order + 1;
349	}
350
351	/**
352	* Re-Order the taxonomies based on the doc_category_order value.
353	*
354	* @param array $pieces Array of SQL query clauses.
355	* @param array $taxonomies Array of taxonomy names.
356	* @param array $args Array of term query args.
357	*/
358	public static function set_tax_order($pieces, $taxonomies, $args)
359	{
360	foreach ($taxonomies as $taxonomy) {
361	global $wpdb;
362
363	if ($taxonomy === 'doc_category') {
364	$join_statement = " LEFT JOIN $wpdb->termmeta AS term_meta ON t.term_id = term_meta.term_id AND term_meta.meta_key = 'doc_category_order'";
365
366	if (!self::does_substring_exist($pieces['join'], $join_statement)) {
367	$pieces['join'] .= $join_statement;
368	}
369
370	$pieces['orderby'] = 'ORDER BY CAST( term_meta.meta_value AS UNSIGNED )';
371	}
372	}
373
374	return $pieces;
375	}
376
377	/**
378	* Order the taxonomies on the front end.
379	*/
380	public static function front_end_order_terms()
381	{
382	if (!is_admin()) {
383	add_filter('terms_clauses', array(__CLASS__, 'set_tax_order'), 10, 3);
384	}
385	}
386
387	/**
388	* Check if a substring exists inside a string.
389	*
390	* @param string $string The main string (haystack) we're searching in.
391	* @param string $substring The substring we're searching for.
392	*
393	* @return bool True if substring exists, else false.
394	*/
395	protected static function does_substring_exist($string, $substring)
396	{
397	return strstr($string, $substring) !== false;
398	}
399
400	/**
401	* Default the taxonomy's terms' order if it's not set.
402	*
403	* @param string $tax_slug The taxonomy's slug.
404	*/
405	public static function get_manage_docs()
406	{
407	$terms = get_terms('knowledge_base', array('hide_empty' => false));
408
409	if ($terms) {
410	echo '<select name="term_meta[knowledge_base]" id="knowledge_base">';
411	echo '<option> ' . esc_html__('Select an option') . ' </option>';
412
413	foreach ($terms as $term) {
414	echo '<option value="' . $term->slug . '">' . $term->name . '</option>';
415	}
416
417	echo '</select>';
418	}
419	}
420
421	/**
422	* Add a form field in the new category page
423	*
424	* @since 1.0.0
425	*/
426	public static function add_doc_category_meta($taxonomy)
427	{
428	do_action('betterdocs_doc_category_add_form_before');
429
430	echo '<div class="form-field term-group">
431	<label for="doc-category-order">' . esc_html__('Order', 'betterdocs') . '</label>
432	<input type="number" id="doc-category-order" style="width:100px" name="term_meta[order]" value="">
433	</div>
434
435	<div class="form-field term-group">
436	<label for="doc-category-image-id">' . esc_html__('Category Icon', 'betterdocs') . '</label>
437	<input type="hidden" id="doc-category-image-id" name="term_meta[image-id]" class="custom_media_url" value="">
438	<div id="doc-category-image-wrapper">
439	<img src="' . BETTERDOCS_ADMIN_URL . 'assets/img/betterdocs-cat-icon.svg" alt="">
440	</div>
441	<p>
442	<input type="button" class="button button-secondary betterdocs_tax_media_button"
443	id="betterdocs_tax_media_button" name="betterdocs_tax_media_button"
444	value="' . esc_html__('Add Image', 'betterdocs') . '" />
445	<input type="button" class="button button-secondary doc_tax_media_remove" id="doc_tax_media_remove"
446	name="doc_tax_media_remove"
447	value="' . esc_html__('Remove Image', 'betterdocs') . '" />
448	</p>
449	</div>';
450	}
451
452	/**
453	* Save the form field
454	*
455	* @since 1.0.0
456	*/
457	public static function save_doc_category_meta($term_id)
458	{
459	if (isset($_POST['term_meta'])) {
460	$term_meta = get_option("doc_category_$term_id");
461	$cat_keys = array_keys($_POST['term_meta']);
462	foreach ($cat_keys as $key) {
463	if (isset($_POST['term_meta'][$key])) {
464	add_term_meta($term_id, "doc_category_$key", $_POST['term_meta'][$key]);
465	$term_meta[$key] = $_POST['term_meta'][$key];
466	}
467	}
468	}
469	if (isset($_POST['doc_category_kb'])) {
470	$doc_category_kb = $_POST['doc_category_kb'];
471	update_term_meta($term_id, "doc_category_knowledge_base", $doc_category_kb);
472	}
473	}
474
475	/**
476	* Edit the form field
477	*
478	* @since 1.0.0
479	*/
480	public static function update_doc_category_meta($term, $taxonomy)
481	{ ?>
482	<?php
483	$term_meta = get_option("doc_category_$term->term_id");
484	$cat_order = get_term_meta($term->term_id, 'doc_category_order', true);
485	$cat_icon_id = get_term_meta($term->term_id, 'doc_category_image-id', true);
486
487	do_action('betterdocs_doc_category_update_form_before', $term);
488
489	?>
490
491	<tr class="form-field term-group-wrap">
492	<th scope="row">
493	<label for="doc-category-id"><?php esc_html_e('Category Id', 'betterdocs'); ?></label>
494	</th>
495	<td>
496	<input type="text" id="doc-category-id" style="width:100px" name="" value="<?php echo esc_attr($_GET["tag_ID"]) ?>" readonly>
497	</td>
498	</tr>
499	<tr class="form-field term-group-wrap">
500	<th scope="row">
501	<label for="doc-category-order"><?php esc_html_e('Order', 'betterdocs'); ?></label>
502	</th>
503	<td>
504	<input type="number" id="doc-category-order" style="width:100px" name="term_meta[order]" value="<?php echo $cat_order ? esc_attr($cat_order) : ''; ?>">
505	</td>
506	</tr>
507	<tr class="form-field term-group-wrap batterdocs-cat-media-upload">
508	<th scope="row">
509	<label for="doc-category-image-id"><?php esc_html_e('Image', 'betterdocs'); ?></label>
510	</th>
511	<td>
512	<input type="hidden" id="doc-category-image-id" name="term_meta[image-id]" value="<?php echo esc_attr($cat_icon_id); ?>">
513	<div id="doc-category-image-wrapper">
514	<?php
515	if ($cat_icon_id) {
516	echo wp_get_attachment_image($cat_icon_id, 'thumbnail');
517	} else {
518	echo '<img src="' . BETTERDOCS_ADMIN_URL . 'assets/img/betterdocs-cat-icon.svg" alt="">';
519	}
520	?>
521	</div>
522	<p>
523	<input type="button" class="button button-secondary betterdocs_tax_media_button" id="betterdocs_tax_media_button" name="betterdocs_tax_media_button" value="<?php esc_html_e('Add Image', 'betterdocs'); ?>" />
524	<input type="button" class="button button-secondary doc_tax_media_remove" id="doc_tax_media_remove" name="doc_tax_media_remove" value="<?php esc_html_e('Remove Image', 'betterdocs'); ?>" />
525	</p>
526	</td>
527	</tr>
528	<?php
529	}
530
531	/*
532	* Update the form field value
533	*
534	* @since 1.0.0
535	*/
536	public static function updated_doc_category_meta($term_id)
537	{
538	if (isset($_POST['term_meta'])) {
539	$cat_keys = array_keys($_POST['term_meta']);
540	foreach ($cat_keys as $key) {
541	if (isset($_POST['term_meta'][$key])) {
542	update_term_meta($term_id, "doc_category_$key", $_POST['term_meta'][$key]);
543	}
544	}
545	}
546	if (isset($_POST['doc_category_kb'])) {
547	$doc_category_kb = $_POST['doc_category_kb'];
548	update_term_meta($term_id, "doc_category_knowledge_base", $doc_category_kb);
549	}
550	}
551
552	/*
553	* Add script
554	*
555	* @since 1.0.0
556	*/
557	public static function add_script()
558	{
559
560	global $current_screen;
561	if ($current_screen->id == 'edit-doc_category') {
562
563	?>
564	<script>
565	jQuery(document).ready(function($) {
566
567	function betterdocs_media_upload(button_class) {
568	var _custom_media = true,
569	_betterdocs_send_attachment = wp.media.editor.send.attachment;
570	$('body').on('click', button_class, function(e) {
571	var button_id = '#' + $(this).attr('id');
572	var send_attachment_bkp = wp.media.editor.send.attachment;
573	var button = $(button_id);
574	_custom_media = true;
575	wp.media.editor.send.attachment = function(props, attachment) {
576	if (_custom_media) {
577	$('#doc-category-image-id').val(attachment.id);
578	$('#doc-category-image-wrapper').html(
579	'<img class="custom_media_image" src="" style="margin:0;padding:0;max-height:100px;float:none;" />'
580	);
581	$('#doc-category-image-wrapper .custom_media_image').attr('src', attachment
582	.url).css('display', 'block');
583	} else {
584	return _betterdocs_send_attachment.apply(button_id, [props, attachment]);
585	}
586	}
587	wp.media.editor.open(button);
588	return false;
589	});
590	}
591
592	betterdocs_media_upload('.betterdocs_tax_media_button.button');
593
594	$('body').on('click', '.doc_tax_media_remove', function() {
595	$('#doc-category-image-id').val('');
596	$('#doc-category-image-wrapper').html(
597	'<img class="custom_media_image" src="" style="margin:0;padding:0;max-height:100px;float:none;" />'
598	);
599	});
600
601	$(document).ajaxComplete(function(event, xhr, settings) {
602	var queryStringArr = settings.data.split('&');
603	if ($.inArray('action=add-tag', queryStringArr) !== -1) {
604	var xml = xhr.responseXML;
605	$response = $(xml).find('term_id').text();
606	if ($response != "") {
607	// Clear the thumb image
608	$('#doc-category-image-wrapper').html('');
609	}
610	}
611	});
612	});
613	</script>
614	<?php }
615	}
616
617	public static function generate_rewrite_rules($wp_rewrite)
618	{
619	if (!empty($wp_rewrite->rules['([^/]+)/?$']) && $wp_rewrite->rules['([^/]+)/?$'] == 'index.php?doc_category=$matches[1]') {
620	unset($wp_rewrite->rules['([^/]+)/?$']);
621	}
622	}
623
624	public static function docs_rewrite_parse_request($wp)
625	{
626	if(isset($wp->query_vars['post_type'], $wp->query_vars['doc_category'], $wp->query_vars['name']) && $wp->query_vars['post_type'] == 'docs'){
627	$loop_posts = new WP_Query( array(
628	'post_type' => 'docs',
629	'post_status' => 'any',
630	'name' => $wp->query_vars['name'],
631	'posts_per_page' => 1,
632	'fields' => 'all',
633	'tax_query' => array(
634	array(
635	'taxonomy' => 'doc_category',
636	'field' => 'slug',
637	'terms' => $wp->query_vars['doc_category'],
638	),
639	),
640	) );
641	if(!$loop_posts->have_posts()){
642	$wp->query_vars['pagename'] = $wp->query_vars['doc_category'] . "/" . $wp->query_vars['name'];
643	unset( $wp->query_vars['doc_category'] );
644	unset( $wp->query_vars['post_type'] );
645	unset( $wp->query_vars['name'] );
646	unset( $wp->query_vars['docs'] );
647	}
648	}
649	}
650
651	/**
652	* Filtering post type rewrite rule.
653	*
654	* @param [type] $rewrite
655	* @return array $rewrite
656	*/
657	public static function docs_rewrite($rewrite)
658	{
659	$permalink = BetterDocs_DB::get_settings('permalink_structure');
660	if (!empty($permalink)) {
661	if (class_exists('BetterDocs_Multiple_Kb') && BetterDocs_Multiple_Kb::get_multiple_kb() != 1) {
662	$permalink = preg_replace('/%knowledge_base%\/?/', '', $permalink);
663	}
664	$rewrite = array('slug' => trim($permalink, '/'), 'with_front' => false);
665	}
666	return $rewrite;
667	}
668
669	/**
670	* Replacing %doc_category% placeholder in permalink.
671	*
672	* @param [type] $url
673	* @param [type] $post
674	* @param boolean $leavename
675	* @return string $url
676	*/
677	public static function docs_show_permalinks($url, $post = null, $leavename = false)
678	{
679	if ($post->post_type != 'docs') {
680	return $url;
681	}
682	$doc_category = 'doc_category';
683	$cat_tag = '%' . $doc_category . '%';
684	$cat_terms = wp_get_object_terms($post->ID, $doc_category);
685
686	if (is_array($cat_terms) && sizeof($cat_terms) > 0) {
687	$doccat_terms = $cat_terms[0]->slug;
688	} else {
689	$doccat_terms = 'uncategorized';
690	}
691
692	if (class_exists('BetterDocs_Multiple_Kb') && BetterDocs_Multiple_Kb::get_multiple_kb() != 1) {
693	$url = preg_replace('/%knowledge_base%\/?/', '', $url);
694	}
695	return str_replace($cat_tag, $doccat_terms, $url);
696	}
697
698	public static function flush_rewrite_rules()
699	{
700	// Get the rewrite rules
701	$rules = get_option('rewrite_rules');
702	if (is_array($rules)) {
703	$rules = implode('', $rules);
704	}
705	if (!strpos($rules, 'docs')) {
706	flush_rewrite_rules();
707	}
708	}
709
710	/**
711	* Resister doc_category image field in rest API
712	*/
713	public static function add_doc_category_meta_rest_api()
714	{
715	register_rest_field('doc_category', 'thumbnail', [
716	'get_callback' => array(__CLASS__, 'doc_category_thumbnail_image'),
717	'update_callback' => null,
718	'schema' => [
719	'description' => 'Holds the thumbnail URL of doc category',
720	'type' => 'string',
721	'format' => 'url',
722	]
723	]);
724	}
725
726	/**
727	*
728	* add doc_category meta field callback function
729	*
730	* @param [string\|array] $object
731	* @return string $url
732	*/
733	public static function doc_category_thumbnail_image($object)
734	{
735	$attachment_id = get_term_meta($object['id'], 'doc_category_image-id', true);
736	if (!$attachment_id) {
737	return;
738	}
739	$url = wp_get_attachment_url($attachment_id);
740	return $url;
741	}
742	}
743
744	BetterDocs_Docs_Post_Type::init();
745