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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
<?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.
*
* @since 6.3.0 Changed render_block_context priority to `1`.
*
* @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';
$enhanced_pagination = isset( $block->context['enhancedPagination'] ) && $block->context['enhancedPagination'];
$page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];
// Use global query if needed.
$use_global_query = ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] );
if ( $use_global_query ) {
global $wp_query;
/*
* If already in the main query loop, duplicate the query instance to not tamper with the main instance.
* Since this is a nested query, it should start at the beginning, therefore rewind posts.
* Otherwise, the main query loop has not started yet and this block is responsible for doing so.
*/
if ( in_the_loop() ) {
$query = clone $wp_query;
$query->rewind_posts();
} else {
$query = $wp_query;
}
} else {
$query_args = build_query_vars_from_query_block( $block, $page );
$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']}";
}
}
if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
$classnames .= ' has-link-color';
}
// Ensure backwards compatibility by flagging the number of columns via classname when using grid layout.
if ( isset( $attributes['layout']['type'] ) && 'grid' === $attributes['layout']['type'] && ! empty( $attributes['layout']['columnCount'] ) ) {
$classnames .= ' ' . sanitize_title( 'columns-' . $attributes['layout']['columnCount'] );
}
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => trim( $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';
$post_id = get_the_ID();
$post_type = get_post_type();
$filter_block_context = static function ( $context ) use ( $post_id, $post_type ) {
$context['postType'] = $post_type;
$context['postId'] = $post_id;
return $context;
};
// Use an early priority to so that other 'render_block_context' filters have access to the values.
add_filter( 'render_block_context', $filter_block_context, 1 );
// 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 ) )->render( array( 'dynamic' => false ) );
remove_filter( 'render_block_context', $filter_block_context, 1 );
// Wrap the render inner blocks in a `li` element with the appropriate post classes.
$post_classes = implode( ' ', get_post_class( 'wp-block-post' ) );
$inner_block_directives = $enhanced_pagination ? ' data-wp-key="post-template-item-' . $post_id . '"' : '';
$content .= '<li' . $inner_block_directives . ' class="' . esc_attr( $post_classes ) . '">' . $block_content . '</li>';
}
/*
* Use this function to restore the context of the template tags
* from a secondary query loop back to the main query loop.
* Since we use two custom loops, it's safest to always restore.
*/
wp_reset_postdata();
return sprintf(
'<ul %1$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' );
|
