jetpack / json-endpoints / class.wpcom-json-api-list-terms-endpoint.php

class.wpcom-json-api-list-terms-endpoint.php in Jetpack – WP Security, Backup, Speed, & Growth 16.3-a.5, at json-endpoints/class.wpcom-json-api-list-terms-endpoint.php

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1	<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2
3	if ( ! defined( 'ABSPATH' ) ) {
4	exit( 0 );
5	}
6
7	/**
8	* List terms endpoint.
9	*/
10	new WPCOM_JSON_API_List_Terms_Endpoint(
11	array(
12	'description' => 'Get a list of a site\'s terms by taxonomy.',
13	'group' => 'taxonomy',
14	'stat' => 'terms',
15	'method' => 'GET',
16	'path' => '/sites/%s/taxonomies/%s/terms',
17	'path_labels' => array(
18	'$site' => '(int\|string) Site ID or domain',
19	'$taxonomy' => '(string) Taxonomy',
20	),
21	'query_parameters' => array(
22	'number' => '(int=100) The number of terms to return. Limit: 1000.',
23	'offset' => '(int=0) 0-indexed offset.',
24	'page' => '(int) Return the Nth 1-indexed page of terms. Takes precedence over the <code>offset</code> parameter.',
25	'search' => '(string) Limit response to include only terms whose names or slugs match the provided search query.',
26	'order' => array(
27	'ASC' => 'Return terms in ascending order.',
28	'DESC' => 'Return terms in descending order.',
29	),
30	'order_by' => array(
31	'name' => 'Order by the name of each tag.',
32	'count' => 'Order by the number of posts in each tag.',
33	),
34	),
35
36	'allow_fallback_to_jetpack_blog_token' => true,
37
38	'response_format' => array(
39	'found' => '(int) The number of terms returned.',
40	'terms' => '(array) Array of tag objects.',
41	),
42	'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/taxonomies/post_tags/terms?number=5',
43	)
44	);
45
46	/**
47	* List terms endpoint class.
48	*
49	* /sites/%s/taxonomies/%s/terms -> $blog_id, $taxonomy
50	*
51	* @phan-constructor-used-for-side-effects
52	*/
53	class WPCOM_JSON_API_List_Terms_Endpoint extends WPCOM_JSON_API_Endpoint {
54
55	/**
56	* API callback.
57	*
58	* @param string $path - the path.
59	* @param string $blog_id - the blog ID.
60	* @param string $taxonomy - the taxonomy.
61	*/
62	public function callback( $path = '', $blog_id = 0, $taxonomy = 'category' ) {
63	$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
64	if ( is_wp_error( $blog_id ) ) {
65	return $blog_id;
66	}
67
68	if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
69	$this->load_theme_functions();
70	}
71
72	$taxonomy_meta = get_taxonomy( $taxonomy );
73	if ( false === $taxonomy_meta \|\| ( ! $taxonomy_meta->public &&
74	! current_user_can( $taxonomy_meta->cap->assign_terms ) ) ) {
75	return new WP_Error( 'invalid_taxonomy', 'The taxonomy does not exist', 400 );
76	}
77
78	$args = $this->query_args();
79	$args = $this->process_args( $args );
80
81	$formatted_terms = $this->get_formatted_terms( $taxonomy, $args );
82
83	if ( ! empty( $formatted_terms ) ) {
84	/** This action is documented in json-endpoints/class.wpcom-json-api-site-settings-endpoint.php */
85	do_action( 'wpcom_json_api_objects', 'terms', is_countable( $formatted_terms ) ? count( $formatted_terms ) : 0 );
86	}
87
88	return array(
89	'found' => (int) $this->get_found( $taxonomy, $args ),
90	'terms' => (array) $formatted_terms,
91	);
92	}
93
94	/**
95	* Process args.
96	*
97	* @param array $args - the arguments.
98	*/
99	public function process_args( $args ) {
100	$args['get'] = 'all';
101
102	if ( $args['number'] < 1 ) {
103	$args['number'] = 100;
104	} elseif ( 1000 < $args['number'] ) {
105	return new WP_Error( 'invalid_number', 'The number parameter must be less than or equal to 1000.', 400 );
106	}
107
108	if ( isset( $args['page'] ) ) {
109	if ( $args['page'] < 1 ) {
110	$args['page'] = 1;
111	}
112
113	$args['offset'] = ( $args['page'] - 1 ) * $args['number'];
114	unset( $args['page'] );
115	}
116
117	if ( $args['offset'] < 0 ) {
118	$args['offset'] = 0;
119	}
120
121	$args['orderby'] = $args['order_by'];
122	unset( $args['order_by'] );
123
124	unset( $args['context'], $args['pretty'], $args['http_envelope'], $args['fields'] );
125	return $args;
126	}
127
128	/**
129	* Get found taxonomy term count.
130	*
131	* @param string $taxonomy - the taxonomy.
132	* @param array $args - the arguments.
133	*/
134	public function get_found( $taxonomy, $args ) {
135	unset( $args['offset'] );
136	$args['taxonomy'] = $taxonomy;
137	return wp_count_terms( $args );
138	}
139
140	/**
141	* Format the taxonomy terms.
142	*
143	* @param string $taxonomy - the taxonomy.
144	* @param array $args - the arguments.
145	*/
146	public function get_formatted_terms( $taxonomy, $args ) {
147	$args['taxonomy'] = $taxonomy;
148	$terms = get_terms( $args );
149
150	$formatted_terms = array();
151	foreach ( $terms as $term ) {
152	$formatted_terms[] = $this->format_taxonomy( $term, $taxonomy, 'display' );
153	}
154
155	return $formatted_terms;
156	}
157	}
158