gutenberg / lib / experimental / knowledge / class-gutenberg-knowledge-post-type.php

class-gutenberg-knowledge-post-type.php in Gutenberg 23.6.0, at lib/experimental/knowledge/class-gutenberg-knowledge-post-type.php

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1	<?php
2	/**
3	* Knowledge Post Type registration.
4	*
5	* @package gutenberg
6	*/
7
8	if ( ! defined( 'ABSPATH' ) ) {
9	exit;
10	}
11
12	/**
13	* Handles registration of the Knowledge custom post type.
14	*/
15	class Gutenberg_Knowledge_Post_Type {
16
17	/**
18	* The post type name.
19	*
20	* @var string
21	*/
22	const POST_TYPE = 'wp_knowledge';
23
24	/**
25	* The taxonomy name for knowledge types.
26	*
27	* @var string
28	*/
29	const TAXONOMY = 'wp_knowledge_type';
30
31	/**
32	* Taxonomy term slug for the `guideline` knowledge type.
33	*
34	* Guidelines are loaded by default when applicable; every row managed by
35	* the Settings → Guidelines page carries this term. Scope rows are further
36	* identified by the `guideline-` slug prefix (see the reservation guard in
37	* knowledge.php).
38	*
39	* @var string
40	*/
41	const TERM_GUIDELINE = 'guideline';
42
43	/**
44	* Register the custom post type.
45	*/
46	public static function register(): void {
47	if ( post_type_exists( self::POST_TYPE ) ) {
48	return;
49	}
50
51	register_post_type(
52	self::POST_TYPE,
53	array(
54	'labels' => array(
55	'name' => _x( 'Guidelines', 'post type general name', 'gutenberg' ),
56	'singular_name' => _x( 'Guideline', 'post type singular name', 'gutenberg' ),
57	'add_new' => __( 'Add Guideline', 'gutenberg' ),
58	'add_new_item' => __( 'Add Guideline', 'gutenberg' ),
59	'all_items' => __( 'All Guidelines', 'gutenberg' ),
60	'edit_item' => __( 'Edit Guideline', 'gutenberg' ),
61	'filter_items_list' => __( 'Filter guidelines list', 'gutenberg' ),
62	'item_published' => __( 'Guideline published.', 'gutenberg' ),
63	'item_published_privately' => __( 'Guideline published privately.', 'gutenberg' ),
64	'item_reverted_to_draft' => __( 'Guideline reverted to draft.', 'gutenberg' ),
65	'item_scheduled' => __( 'Guideline scheduled.', 'gutenberg' ),
66	'item_updated' => __( 'Guideline updated.', 'gutenberg' ),
67	'items_list' => __( 'Guidelines list', 'gutenberg' ),
68	'items_list_navigation' => __( 'Guidelines list navigation', 'gutenberg' ),
69	'new_item' => __( 'New Guideline', 'gutenberg' ),
70	'not_found' => __( 'No guidelines found.', 'gutenberg' ),
71	'not_found_in_trash' => __( 'No guidelines found in Trash.', 'gutenberg' ),
72	'search_items' => __( 'Search Guidelines', 'gutenberg' ),
73	'view_item' => __( 'View Guideline', 'gutenberg' ),
74	'view_items' => __( 'View Guidelines', 'gutenberg' ),
75	),
76	'public' => false,
77	// Knowledge rows have no native post-type screens; management
78	// flows through the Settings → Guidelines page (see
79	// load.php) and the REST API.
80	'show_ui' => false,
81	'show_in_rest' => true,
82	'rest_base' => 'knowledge',
83
84	'rest_controller_class' => Gutenberg_Knowledge_REST_Controller::class,
85
86	// The primitive capabilities follow the standard plural form
87	// (`edit_knowledge_items`) while the per-post meta capabilities
88	// keep the singular form (`edit_knowledge_item`) — the same
89	// primitive/meta split WordPress uses for posts (`edit_posts` vs
90	// `edit_post`). The `*_knowledge_item` forms are never granted;
91	// `map_meta_cap()` resolves them onto the primitives.
92	'capability_type' => array( 'knowledge_item', 'knowledge_items' ),
93	'map_meta_cap' => true,
94	// `read` is remapped so Subscribers (who hold the base `read`
95	// cap) are blocked at the post-type door. Every other primitive
96	// defaults to a knowledge_items-suffixed cap synthesized by
97	// `wp_maybe_grant_knowledge_caps()`.
98	'capabilities' => array(
99	'read' => 'read_knowledge_items',
100	),
101	'supports' => array( 'title', 'editor', 'excerpt', 'author', 'revisions' ),
102	'hierarchical' => false,
103	'has_archive' => false,
104	'rewrite' => false,
105	'query_var' => false,
106	'can_export' => true,
107	)
108	);
109
110	/*
111	* Disable autosave endpoints for knowledge. 'editor' support implies
112	* 'autosave', but knowledge is headless storage with no editor session,
113	* so the autosave REST routes have no consumer. Revision history is
114	* retained.
115	*/
116	remove_post_type_support( self::POST_TYPE, 'autosave' );
117
118	register_taxonomy(
119	self::TAXONOMY,
120	self::POST_TYPE,
121	array(
122	'public' => false,
123	'publicly_queryable' => false,
124	'hierarchical' => true,
125	'labels' => array(
126	'name' => _x( 'Guideline Types', 'taxonomy general name', 'gutenberg' ),
127	'singular_name' => _x( 'Guideline Type', 'taxonomy singular name', 'gutenberg' ),
128	'add_new_item' => __( 'Add Guideline Type', 'gutenberg' ),
129	'add_or_remove_items' => __( 'Add or remove guideline types', 'gutenberg' ),
130	'back_to_items' => __( '← Go to Guideline Types', 'gutenberg' ),
131	'edit_item' => __( 'Edit Guideline Type', 'gutenberg' ),
132	'item_link' => __( 'Guideline Type Link', 'gutenberg' ),
133	'item_link_description' => __( 'A link to a guideline type.', 'gutenberg' ),
134	'items_list' => __( 'Guideline Types list', 'gutenberg' ),
135	'items_list_navigation' => __( 'Guideline Types list navigation', 'gutenberg' ),
136	'new_item_name' => __( 'New Guideline Type Name', 'gutenberg' ),
137	'no_terms' => __( 'No guideline types', 'gutenberg' ),
138	'not_found' => __( 'No guideline types found.', 'gutenberg' ),
139	'search_items' => __( 'Search Guideline Types', 'gutenberg' ),
140	'update_item' => __( 'Update Guideline Type', 'gutenberg' ),
141	'view_item' => __( 'View Guideline Type', 'gutenberg' ),
142	),
143	/*
144	* Editing and assigning terms reuse the `wp_knowledge` primitive
145	* `edit_knowledge_items` so that anyone who can edit a knowledge
146	* row can also lazily create and assign its type. Managing or
147	* deleting the type vocabulary itself stays an administrator task.
148	*/
149	'capabilities' => array(
150	'manage_terms' => 'manage_options',
151	'edit_terms' => 'edit_knowledge_items',
152	'delete_terms' => 'manage_options',
153	'assign_terms' => 'edit_knowledge_items',
154	),
155	'query_var' => false,
156	'rewrite' => false,
157	// Headless, like the post type: knowledge type terms are managed
158	// through the REST API, not a wp-admin taxonomy screen.
159	'show_ui' => false,
160	'show_in_nav_menus' => false,
161	'show_in_rest' => true,
162	)
163	);
164
165	add_filter( 'user_has_cap', 'wp_maybe_grant_knowledge_caps', 1, 4 );
166	add_action( 'save_post_' . self::POST_TYPE, 'wp_knowledge_ensure_default_type_term' );
167	add_filter( 'wp_insert_term_data', 'wp_knowledge_maybe_map_term_label', 10, 2 );
168
169	// Sanitize guideline content and re-stamp registry scope titles on the
170	// REST insert path. Slug uniqueness is left to WordPress: the published
171	// row keeps its exact slug and duplicates are suffixed (see knowledge.php).
172	add_filter( 'rest_pre_insert_' . self::POST_TYPE, 'wp_knowledge_guard_guideline_row', 10, 2 );
173	}
174	}
175