post-template.php
4.16 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
<?php
/**
* Server-side rendering of the `core/post-template` block.
*
* @package WordPress
*/
/**
* Determines whether a block list contains a block that uses the featured image.
*
* @param WP_Block_List $inner_blocks Inner block instance.
*
* @return bool Whether the block list contains a block that uses the featured image.
*/
function block_core_post_template_uses_featured_image( $inner_blocks ) {
foreach ( $inner_blocks as $block ) {
if ( 'core/post-featured-image' === $block->name ) {
return true;
}
if (
'core/cover' === $block->name &&
! empty( $block->attributes['useFeaturedImage'] )
) {
return true;
}
if ( $block->inner_blocks && block_core_post_template_uses_featured_image( $block->inner_blocks ) ) {
return true;
}
}
return false;
}
/**
* Renders the `core/post-template` block on the server.
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
*
* @return string Returns the output of the query, structured using the layout defined by the block's inner blocks.
*/
function render_block_core_post_template( $attributes, $content, $block ) {
$page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
$page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];
$query_args = build_query_vars_from_query_block( $block, $page );
// Override the custom query with the global query if needed.
$use_global_query = ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] );
if ( $use_global_query ) {
global $wp_query;
if ( $wp_query && isset( $wp_query->query_vars ) && is_array( $wp_query->query_vars ) ) {
// Unset `offset` because if is set, $wp_query overrides/ignores the paged parameter and breaks pagination.
unset( $query_args['offset'] );
$query_args = wp_parse_args( $wp_query->query_vars, $query_args );
if ( empty( $query_args['post_type'] ) && is_singular() ) {
$query_args['post_type'] = get_post_type( get_the_ID() );
}
}
}
$query = new WP_Query( $query_args );
if ( ! $query->have_posts() ) {
return '';
}
if ( block_core_post_template_uses_featured_image( $block->inner_blocks ) ) {
update_post_thumbnail_cache( $query );
}
$classnames = '';
if ( isset( $block->context['displayLayout'] ) && isset( $block->context['query'] ) ) {
if ( isset( $block->context['displayLayout']['type'] ) && 'flex' === $block->context['displayLayout']['type'] ) {
$classnames = "is-flex-container columns-{$block->context['displayLayout']['columns']}";
}
}
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classnames ) );
$content = '';
while ( $query->have_posts() ) {
$query->the_post();
// Get an instance of the current Post Template block.
$block_instance = $block->parsed_block;
// Set the block name to one that does not correspond to an existing registered block.
// This ensures that for the inner instances of the Post Template block, we do not render any block supports.
$block_instance['blockName'] = 'core/null';
// Render the inner blocks of the Post Template block with `dynamic` set to `false` to prevent calling
// `render_callback` and ensure that no wrapper markup is included.
$block_content = (
new WP_Block(
$block_instance,
array(
'postType' => get_post_type(),
'postId' => get_the_ID(),
)
)
)->render( array( 'dynamic' => false ) );
// Wrap the render inner blocks in a `li` element with the appropriate post classes.
$post_classes = implode( ' ', get_post_class( 'wp-block-post' ) );
$content .= '<li class="' . esc_attr( $post_classes ) . '">' . $block_content . '</li>';
}
wp_reset_postdata();
return sprintf(
'<ul %1$s>%2$s</ul>',
$wrapper_attributes,
$content
);
}
/**
* Registers the `core/post-template` block on the server.
*/
function register_block_core_post_template() {
register_block_type_from_metadata(
__DIR__ . '/post-template',
array(
'render_callback' => 'render_block_core_post_template',
'skip_inner_blocks' => true,
)
);
}
add_action( 'init', 'register_block_core_post_template' );