gutenberg / lib / compat / wordpress-6.9 / post-data-block-bindings.php

post-data-block-bindings.php in Gutenberg 23.2.1, at lib/compat/wordpress-6.9/post-data-block-bindings.php

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1	<?php
2	/**
3	* Post Data source for the block bindings.
4	*
5	* @since 6.9.0
6	* @package gutenberg
7	* @subpackage Block Bindings
8	*/
9
10	/**
11	* Gets value for Post Data source.
12	*
13	* @since 6.9.0
14	* @access private
15	*
16	* @param array $source_args Array containing source arguments used to look up the override value.
17	* Example: array( "field" => "foo" ).
18	* @param WP_Block $block_instance The block instance.
19	* @return mixed The value computed for the source.
20	*/
21	function gutenberg_block_bindings_post_data_get_value( array $source_args, $block_instance ) {
22	if ( empty( $source_args['field'] ) ) {
23	// Backward compatibility for when the source argument was called `key` in Gutenberg plugin.
24	if ( empty( $source_args['key'] ) ) {
25	return null;
26	}
27	$field = $source_args['key'];
28	} else {
29	$field = $source_args['field'];
30	}
31
32	/*
33	* BACKWARDS COMPATIBILITY: Hardcoded exception for navigation blocks.
34	* Required for WordPress 6.9+ navigation blocks. DO NOT REMOVE.
35	*/
36	$block_name = $block_instance->name ?? '';
37	$is_navigation_block = in_array(
38	$block_name,
39	array( 'core/navigation-link', 'core/navigation-submenu' ),
40	true
41	);
42
43	if ( $is_navigation_block ) {
44	// Navigation blocks: read from block attributes
45	$post_id = $block_instance->attributes['id'] ?? null;
46	} else {
47	// All other blocks: use context
48	$post_id = $block_instance->context['postId'] ?? null;
49	}
50
51	// If we don't have an entity ID, bail early.
52	if ( empty( $post_id ) ) {
53	return null;
54	}
55
56	// If a post isn't public, we need to prevent unauthorized users from accessing the post data.
57	$post = get_post( $post_id );
58	if ( ( ! is_post_publicly_viewable( $post ) && ! current_user_can( 'read_post', $post_id ) ) \|\| post_password_required( $post ) ) {
59	return null;
60	}
61
62	if ( 'date' === $field ) {
63	return esc_attr( get_the_date( 'c', $post_id ) );
64	}
65
66	if ( 'modified' === $field ) {
67	// Only return the modified date if it is later than the publishing date.
68	if ( get_the_modified_date( 'U', $post_id ) > get_the_date( 'U', $post_id ) ) {
69	return esc_attr( get_the_modified_date( 'c', $post_id ) );
70	} else {
71	return '';
72	}
73	}
74
75	if ( 'link' === $field ) {
76	$permalink = get_permalink( $post_id );
77	return false === $permalink ? null : esc_url( $permalink );
78	}
79	}
80
81	/**
82	* Registers Post Data source in the block bindings registry.
83	*
84	* @since 6.9.0
85	* @access private
86	*/
87	function gutenberg_register_block_bindings_post_data_source() {
88	if ( get_block_bindings_source( 'core/post-data' ) ) {
89	// The source is already registered.
90	return;
91	}
92
93	register_block_bindings_source(
94	'core/post-data',
95	array(
96	'label' => _x( 'Post Data', 'block bindings source' ),
97	'get_value_callback' => 'gutenberg_block_bindings_post_data_get_value',
98	'uses_context' => array( 'postId', 'postType' ),
99	)
100	);
101	}
102
103	add_action( 'init', 'gutenberg_register_block_bindings_post_data_source' );
104