gutenberg / lib / compat / wordpress-7.0 / rest-api.php

rest-api.php in Gutenberg 23.3.2, at lib/compat/wordpress-7.0/rest-api.php

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1	<?php
2	/**
3	* WordPress 7.0 compatibility functions for the Gutenberg
4	* editor plugin changes related to REST API.
5	*
6	* @package gutenberg
7	*/
8
9	/**
10	* Registers the Block Patterns REST API routes.
11	*/
12	function gutenberg_register_block_patterns_controller_endpoints() {
13	$block_patterns_controller = new Gutenberg_REST_Block_Patterns_Controller_7_0();
14	$block_patterns_controller->register_routes();
15	}
16	add_action( 'rest_api_init', 'gutenberg_register_block_patterns_controller_endpoints' );
17
18	/**
19	* Registers the Registered Templates REST API routes.
20	* The template activation experiment registers its own routes, so we only register the registered templates controller if the experiment is not enabled.
21	* See: lib/compat/wordpress-7.0/template-activate.php
22	*
23	* @see Gutenberg_REST_Registered_Templates_Controller
24	* @see Gutenberg_REST_Templates_Controller_7_0
25	*/
26	if ( ! gutenberg_is_experiment_enabled( 'active_templates' ) ) {
27	function gutenberg_modify_wp_template_post_type_args_7_0( $args ) {
28	$args['rest_controller_class'] = 'Gutenberg_REST_Templates_Controller_7_0';
29	$args['late_route_registration'] = true;
30	return $args;
31	}
32	add_filter( 'register_wp_template_post_type_args', 'gutenberg_modify_wp_template_post_type_args_7_0' );
33	}
34
35	/**
36	* Registers the Registered Templates Parts REST API routes.
37	* The template activation experiment does not, however, register the routes for the wp_template_part post type,
38	* so we need to register the routes for that post type here.
39	* See: lib/compat/wordpress-7.0/template-activate.php
40	*
41	* @see Gutenberg_REST_Registered_Templates_Controller
42	* @see Gutenberg_REST_Templates_Controller_7_0
43	*/
44	function gutenberg_modify_wp_template_part_post_type_args_7_0( $args ) {
45	$args['rest_controller_class'] = 'Gutenberg_REST_Templates_Controller_7_0';
46	$args['late_route_registration'] = true;
47	return $args;
48	}
49	add_filter( 'register_wp_template_part_post_type_args', 'gutenberg_modify_wp_template_part_post_type_args_7_0' );
50
51	/**
52	* Registers the 'navigation-overlay' template part area.
53	*
54	* @param array $areas Array of template part area definitions.
55	* @return array Modified array of template part area definitions.
56	*/
57	function gutenberg_register_overlay_template_part_area( $areas ) {
58	foreach ( $areas as $area ) {
59	if ( isset( $area['area'] ) && 'navigation-overlay' === $area['area'] ) {
60	return $areas;
61	}
62	}
63
64	$areas[] = array(
65	'area' => 'navigation-overlay',
66	'label' => __( 'Navigation Overlay', 'gutenberg' ),
67	'description' => __(
68	'The Navigation Overlay template defines an overlay area that typically contains navigation links and can be toggled open and closed.'
69	),
70	'icon' => 'navigation-overlay',
71	'area_tag' => 'div',
72	);
73
74	return $areas;
75	}
76	add_filter( 'default_wp_template_part_areas', 'gutenberg_register_overlay_template_part_area' );
77
78	/**
79	* Adds user global styles link relation to all theme responses.
80	*
81	* This ensures that all themes (including classic themes) have access to the
82	* wp:user-global-styles link, which is required for the font library to function.
83	*
84	* WordPress core only adds this link for block themes with theme.json support.
85	* This filter extends that functionality to all themes.
86	*
87	* @param WP_REST_Response $response The response object.
88	* @param WP_Theme $theme Theme object used to create response.
89	* @return WP_REST_Response Modified response object.
90	*/
91	function gutenberg_rest_theme_global_styles_link_rel_7_0( $response, $theme ) {
92	// Only add the link for the active theme to match WordPress core behavior.
93	if ( $theme->get_stylesheet() !== get_stylesheet() ) {
94	return $response;
95	}
96
97	// Check if the link already exists (WordPress core adds it for block themes).
98	$all_links = $response->get_links();
99	if ( isset( $all_links['https://api.w.org/user-global-styles'] ) ) {
100	return $response;
101	}
102
103	// Get or create the global styles post ID for this theme.
104	// Now that we've removed the theme.json check, this works for all themes.
105	$global_styles_id = WP_Theme_JSON_Resolver_Gutenberg::get_user_global_styles_post_id();
106	if ( ! $global_styles_id ) {
107	return $response;
108	}
109
110	// Add the wp:user-global-styles link.
111	$response->add_link(
112	'https://api.w.org/user-global-styles',
113	rest_url( 'wp/v2/global-styles/' . $global_styles_id )
114	);
115
116	return $response;
117	}
118	add_filter( 'rest_prepare_theme', 'gutenberg_rest_theme_global_styles_link_rel_7_0', 10, 2 );
119
120	/**
121	* Overrides the default REST controller for autosaves to fix real-time
122	* collaboration on draft posts.
123	*
124	* When RTC is enabled, draft autosaves from all users update the post directly
125	* instead of creating per-user autosave revisions depending on post lock and
126	* assigned author.
127	*
128	* Only overrides when autosave_rest_controller_class is not explicitly set,
129	* i.e. when WP_REST_Autosaves_Controller would be used by default. Post types
130	* with their own specialized autosave controller (e.g. templates) are left alone.
131	*/
132	function gutenberg_override_autosaves_rest_controller( $args ) {
133	if ( empty( $args['autosave_rest_controller_class'] ) ) {
134	$args['autosave_rest_controller_class'] = 'Gutenberg_REST_Autosaves_Controller';
135	}
136	return $args;
137	}
138
139	add_filter( 'register_post_type_args', 'gutenberg_override_autosaves_rest_controller', 10, 1 );
140
141	/**
142	* Overrides the default REST controller for revisions to support nested
143	* _fields parameters (e.g. content.raw without content.rendered).
144	*
145	* The core WP_REST_Revisions_Controller uses in_array() checks for content,
146	* title, excerpt, and guid fields, which prevents sub-field filtering via
147	* the _fields parameter. The Gutenberg override uses rest_is_field_included()
148	* so that clients can avoid expensive server-side rendering when only raw
149	* data is needed.
150	*
151	* Only overrides when revisions_rest_controller_class is not explicitly set.
152	*/
153	function gutenberg_override_revisions_rest_controller( $args ) {
154	if ( empty( $args['revisions_rest_controller_class'] ) ) {
155	$args['revisions_rest_controller_class'] = 'Gutenberg_REST_Revisions_Controller';
156	}
157	return $args;
158	}
159
160	add_filter( 'register_post_type_args', 'gutenberg_override_revisions_rest_controller', 10, 1 );
161