wordpress-seo / admin / class-primary-term-admin.php

class-primary-term-admin.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 19.0, at admin/class-primary-term-admin.php

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1	<?php
2	/**
3	* WPSEO plugin file.
4	*
5	* @package WPSEO\Admin
6	*/
7
8	/**
9	* Adds the UI to change the primary term for a post.
10	*/
11	class WPSEO_Primary_Term_Admin implements WPSEO_WordPress_Integration {
12
13	/**
14	* Constructor.
15	*/
16	public function register_hooks() {
17	add_filter( 'wpseo_content_meta_section_content', [ $this, 'add_input_fields' ] );
18
19	add_action( 'admin_footer', [ $this, 'wp_footer' ], 10 );
20
21	add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_assets' ] );
22	}
23
24	/**
25	* Gets the current post ID.
26	*
27	* @return int The post ID.
28	*/
29	protected function get_current_id() {
30	$post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT );
31	if ( empty( $post_id ) && isset( $GLOBALS['post_ID'] ) ) {
32	$post_id = filter_var( $GLOBALS['post_ID'], FILTER_SANITIZE_NUMBER_INT );
33	}
34
35	return $post_id;
36	}
37
38	/**
39	* Adds hidden fields for primary taxonomies.
40	*
41	* @param string $content The metabox content.
42	*
43	* @return string The HTML content.
44	*/
45	public function add_input_fields( $content ) {
46	$taxonomies = $this->get_primary_term_taxonomies();
47
48	foreach ( $taxonomies as $taxonomy ) {
49	$content .= $this->primary_term_field( $taxonomy->name );
50	$content .= wp_nonce_field( 'save-primary-term', WPSEO_Meta::$form_prefix . 'primary_' . $taxonomy->name . '_nonce', false, false );
51	}
52	return $content;
53	}
54
55	/**
56	* Generates the HTML for a hidden field for a primary taxonomy.
57	*
58	* @param string $taxonomy_name The taxonomy's slug.
59	*
60	* @return string The HTML for a hidden primary taxonomy field.
61	*/
62	protected function primary_term_field( $taxonomy_name ) {
63	return sprintf(
64	'<input class="yoast-wpseo-primary-term" type="hidden" id="%1$s" name="%2$s" value="%3$s" />',
65	esc_attr( $this->generate_field_id( $taxonomy_name ) ),
66	esc_attr( $this->generate_field_name( $taxonomy_name ) ),
67	esc_attr( $this->get_primary_term( $taxonomy_name ) )
68	);
69	}
70
71	/**
72	* Generates an id for a primary taxonomy's hidden field.
73	*
74	* @param string $taxonomy_name The taxonomy's slug.
75	*
76	* @return string The field id.
77	*/
78	protected function generate_field_id( $taxonomy_name ) {
79	return 'yoast-wpseo-primary-' . $taxonomy_name;
80	}
81
82	/**
83	* Generates a name for a primary taxonomy's hidden field.
84	*
85	* @param string $taxonomy_name The taxonomy's slug.
86	*
87	* @return string The field id.
88	*/
89	protected function generate_field_name( $taxonomy_name ) {
90	return WPSEO_Meta::$form_prefix . 'primary_' . $taxonomy_name . '_term';
91	}
92
93	/**
94	* Adds primary term templates.
95	*/
96	public function wp_footer() {
97	$taxonomies = $this->get_primary_term_taxonomies();
98
99	if ( ! empty( $taxonomies ) ) {
100	$this->include_js_templates();
101	}
102	}
103
104	/**
105	* Enqueues all the assets needed for the primary term interface.
106	*
107	* @return void
108	*/
109	public function enqueue_assets() {
110	global $pagenow;
111
112	if ( ! WPSEO_Metabox::is_post_edit( $pagenow ) ) {
113	return;
114	}
115
116	$taxonomies = $this->get_primary_term_taxonomies();
117
118	// Only enqueue if there are taxonomies that need a primary term.
119	if ( empty( $taxonomies ) ) {
120	return;
121	}
122
123	$asset_manager = new WPSEO_Admin_Asset_Manager();
124	$asset_manager->enqueue_style( 'primary-category' );
125
126	$mapped_taxonomies = $this->get_mapped_taxonomies_for_js( $taxonomies );
127
128	$data = [
129	'taxonomies' => $mapped_taxonomies,
130	];
131
132	$asset_manager->localize_script( 'post-edit', 'wpseoPrimaryCategoryL10n', $data );
133	$asset_manager->localize_script( 'post-edit-classic', 'wpseoPrimaryCategoryL10n', $data );
134	}
135
136	/**
137	* Gets the id of the primary term.
138	*
139	* @param string $taxonomy_name Taxonomy name for the term.
140	*
141	* @return int primary term id
142	*/
143	protected function get_primary_term( $taxonomy_name ) {
144	$primary_term = new WPSEO_Primary_Term( $taxonomy_name, $this->get_current_id() );
145
146	return $primary_term->get_primary_term();
147	}
148
149	/**
150	* Returns all the taxonomies for which the primary term selection is enabled.
151	*
152	* @param int\|null $post_id Default current post ID.
153	* @return array
154	*/
155	protected function get_primary_term_taxonomies( $post_id = null ) {
156	if ( $post_id === null ) {
157	$post_id = $this->get_current_id();
158	}
159
160	$taxonomies = wp_cache_get( 'primary_term_taxonomies_' . $post_id, 'wpseo' );
161	if ( $taxonomies !== false ) {
162	return $taxonomies;
163	}
164
165	$taxonomies = $this->generate_primary_term_taxonomies( $post_id );
166
167	wp_cache_set( 'primary_term_taxonomies_' . $post_id, $taxonomies, 'wpseo' );
168
169	return $taxonomies;
170	}
171
172	/**
173	* Includes templates file.
174	*/
175	protected function include_js_templates() {
176	include_once WPSEO_PATH . 'admin/views/js-templates-primary-term.php';
177	}
178
179	/**
180	* Generates the primary term taxonomies.
181	*
182	* @param int $post_id ID of the post.
183	*
184	* @return array
185	*/
186	protected function generate_primary_term_taxonomies( $post_id ) {
187	$post_type = get_post_type( $post_id );
188	$all_taxonomies = get_object_taxonomies( $post_type, 'objects' );
189	$all_taxonomies = array_filter( $all_taxonomies, [ $this, 'filter_hierarchical_taxonomies' ] );
190
191	/**
192	* Filters which taxonomies for which the user can choose the primary term.
193	*
194	* @api array $taxonomies An array of taxonomy objects that are primary_term enabled.
195	*
196	* @param string $post_type The post type for which to filter the taxonomies.
197	* @param array $all_taxonomies All taxonomies for this post types, even ones that don't have primary term
198	* enabled.
199	*/
200	$taxonomies = (array) apply_filters( 'wpseo_primary_term_taxonomies', $all_taxonomies, $post_type, $all_taxonomies );
201
202	return $taxonomies;
203	}
204
205	/**
206	* Creates a map of taxonomies for localization.
207	*
208	* @param array $taxonomies The taxononmies that should be mapped.
209	*
210	* @return array The mapped taxonomies.
211	*/
212	protected function get_mapped_taxonomies_for_js( $taxonomies ) {
213	return array_map( [ $this, 'map_taxonomies_for_js' ], $taxonomies );
214	}
215
216	/**
217	* Returns an array suitable for use in the javascript.
218	*
219	* @param stdClass $taxonomy The taxonomy to map.
220	*
221	* @return array The mapped taxonomy.
222	*/
223	private function map_taxonomies_for_js( $taxonomy ) {
224	$primary_term = $this->get_primary_term( $taxonomy->name );
225
226	if ( empty( $primary_term ) ) {
227	$primary_term = '';
228	}
229
230	$terms = get_terms(
231	[
232	'taxonomy' => $taxonomy->name,
233	'update_term_meta_cache' => false,
234	'fields' => 'id=>name',
235	]
236	);
237
238	$mapped_terms_for_js = [];
239	foreach ( $terms as $id => $name ) {
240	$mapped_terms_for_js[] = [
241	'id' => $id,
242	'name' => $name,
243	];
244	}
245
246	return [
247	'title' => $taxonomy->labels->singular_name,
248	'name' => $taxonomy->name,
249	'primary' => $primary_term,
250	'singularLabel' => $taxonomy->labels->singular_name,
251	'fieldId' => $this->generate_field_id( $taxonomy->name ),
252	'restBase' => ( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name,
253	'terms' => $mapped_terms_for_js,
254	];
255	}
256
257	/**
258	* Returns whether or not a taxonomy is hierarchical.
259	*
260	* @param stdClass $taxonomy Taxonomy object.
261	*
262	* @return bool
263	*/
264	private function filter_hierarchical_taxonomies( $taxonomy ) {
265	return (bool) $taxonomy->hierarchical;
266	}
267	}
268