diff options
Diffstat (limited to 'wp-includes/blocks/latest-posts.php')
| -rw-r--r-- | wp-includes/blocks/latest-posts.php | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/wp-includes/blocks/latest-posts.php b/wp-includes/blocks/latest-posts.php new file mode 100644 index 0000000..adc51d0 --- /dev/null +++ b/wp-includes/blocks/latest-posts.php @@ -0,0 +1,261 @@ +<?php +/** + * Server-side rendering of the `core/latest-posts` block. + * + * @package WordPress + */ + +/** + * The excerpt length set by the Latest Posts core block + * set at render time and used by the block itself. + * + * @var int + */ +global $block_core_latest_posts_excerpt_length; +$block_core_latest_posts_excerpt_length = 0; + +/** + * Callback for the excerpt_length filter used by + * the Latest Posts block at render time. + * + * @return int Returns the global $block_core_latest_posts_excerpt_length variable + * to allow the excerpt_length filter respect the Latest Block setting. + */ +function block_core_latest_posts_get_excerpt_length() { + global $block_core_latest_posts_excerpt_length; + return $block_core_latest_posts_excerpt_length; +} + +/** + * Renders the `core/latest-posts` block on server. + * + * @param array $attributes The block attributes. + * + * @return string Returns the post content with latest posts added. + */ +function render_block_core_latest_posts( $attributes ) { + global $post, $block_core_latest_posts_excerpt_length; + + $args = array( + 'posts_per_page' => $attributes['postsToShow'], + 'post_status' => 'publish', + 'order' => $attributes['order'], + 'orderby' => $attributes['orderBy'], + 'ignore_sticky_posts' => true, + 'no_found_rows' => true, + ); + + $block_core_latest_posts_excerpt_length = $attributes['excerptLength']; + add_filter( 'excerpt_length', 'block_core_latest_posts_get_excerpt_length', 20 ); + + if ( ! empty( $attributes['categories'] ) ) { + $args['category__in'] = array_column( $attributes['categories'], 'id' ); + } + if ( isset( $attributes['selectedAuthor'] ) ) { + $args['author'] = $attributes['selectedAuthor']; + } + + $query = new WP_Query(); + $recent_posts = $query->query( $args ); + + if ( isset( $attributes['displayFeaturedImage'] ) && $attributes['displayFeaturedImage'] ) { + update_post_thumbnail_cache( $query ); + } + + $list_items_markup = ''; + + foreach ( $recent_posts as $post ) { + $post_link = esc_url( get_permalink( $post ) ); + $title = get_the_title( $post ); + + if ( ! $title ) { + $title = __( '(no title)' ); + } + + $list_items_markup .= '<li>'; + + if ( $attributes['displayFeaturedImage'] && has_post_thumbnail( $post ) ) { + $image_style = ''; + if ( isset( $attributes['featuredImageSizeWidth'] ) ) { + $image_style .= sprintf( 'max-width:%spx;', $attributes['featuredImageSizeWidth'] ); + } + if ( isset( $attributes['featuredImageSizeHeight'] ) ) { + $image_style .= sprintf( 'max-height:%spx;', $attributes['featuredImageSizeHeight'] ); + } + + $image_classes = 'wp-block-latest-posts__featured-image'; + if ( isset( $attributes['featuredImageAlign'] ) ) { + $image_classes .= ' align' . $attributes['featuredImageAlign']; + } + + $featured_image = get_the_post_thumbnail( + $post, + $attributes['featuredImageSizeSlug'], + array( + 'style' => esc_attr( $image_style ), + ) + ); + if ( $attributes['addLinkToFeaturedImage'] ) { + $featured_image = sprintf( + '<a href="%1$s" aria-label="%2$s">%3$s</a>', + esc_url( $post_link ), + esc_attr( $title ), + $featured_image + ); + } + $list_items_markup .= sprintf( + '<div class="%1$s">%2$s</div>', + esc_attr( $image_classes ), + $featured_image + ); + } + + $list_items_markup .= sprintf( + '<a class="wp-block-latest-posts__post-title" href="%1$s">%2$s</a>', + esc_url( $post_link ), + $title + ); + + if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) { + $author_display_name = get_the_author_meta( 'display_name', $post->post_author ); + + /* translators: byline. %s: current author. */ + $byline = sprintf( __( 'by %s' ), $author_display_name ); + + if ( ! empty( $author_display_name ) ) { + $list_items_markup .= sprintf( + '<div class="wp-block-latest-posts__post-author">%1$s</div>', + $byline + ); + } + } + + if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) { + $list_items_markup .= sprintf( + '<time datetime="%1$s" class="wp-block-latest-posts__post-date">%2$s</time>', + esc_attr( get_the_date( 'c', $post ) ), + get_the_date( '', $post ) + ); + } + + if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] + && isset( $attributes['displayPostContentRadio'] ) && 'excerpt' === $attributes['displayPostContentRadio'] ) { + + $trimmed_excerpt = get_the_excerpt( $post ); + + /* + * Adds a "Read more" link with screen reader text. + * […] is the default excerpt ending from wp_trim_excerpt() in Core. + */ + if ( str_ends_with( $trimmed_excerpt, ' […]' ) ) { + $excerpt_length = (int) apply_filters( 'excerpt_length', $block_core_latest_posts_excerpt_length ); + if ( $excerpt_length <= $block_core_latest_posts_excerpt_length ) { + $trimmed_excerpt = substr( $trimmed_excerpt, 0, -11 ); + $trimmed_excerpt .= sprintf( + /* translators: 1: A URL to a post, 2: Hidden accessibility text: Post title */ + __( '… <a href="%1$s" rel="noopener noreferrer">Read more<span class="screen-reader-text">: %2$s</span></a>' ), + esc_url( $post_link ), + esc_html( $title ) + ); + } + } + + if ( post_password_required( $post ) ) { + $trimmed_excerpt = __( 'This content is password protected.' ); + } + + $list_items_markup .= sprintf( + '<div class="wp-block-latest-posts__post-excerpt">%1$s</div>', + $trimmed_excerpt + ); + } + + if ( isset( $attributes['displayPostContent'] ) && $attributes['displayPostContent'] + && isset( $attributes['displayPostContentRadio'] ) && 'full_post' === $attributes['displayPostContentRadio'] ) { + + $post_content = html_entity_decode( $post->post_content, ENT_QUOTES, get_option( 'blog_charset' ) ); + + if ( post_password_required( $post ) ) { + $post_content = __( 'This content is password protected.' ); + } + + $list_items_markup .= sprintf( + '<div class="wp-block-latest-posts__post-full-content">%1$s</div>', + wp_kses_post( $post_content ) + ); + } + + $list_items_markup .= "</li>\n"; + } + + remove_filter( 'excerpt_length', 'block_core_latest_posts_get_excerpt_length', 20 ); + + $classes = array( 'wp-block-latest-posts__list' ); + if ( isset( $attributes['postLayout'] ) && 'grid' === $attributes['postLayout'] ) { + $classes[] = 'is-grid'; + } + if ( isset( $attributes['columns'] ) && 'grid' === $attributes['postLayout'] ) { + $classes[] = 'columns-' . $attributes['columns']; + } + if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) { + $classes[] = 'has-dates'; + } + if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) { + $classes[] = 'has-author'; + } + if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) { + $classes[] = 'has-link-color'; + } + + $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) ); + + return sprintf( + '<ul %1$s>%2$s</ul>', + $wrapper_attributes, + $list_items_markup + ); +} + +/** + * Registers the `core/latest-posts` block on server. + */ +function register_block_core_latest_posts() { + register_block_type_from_metadata( + __DIR__ . '/latest-posts', + array( + 'render_callback' => 'render_block_core_latest_posts', + ) + ); +} +add_action( 'init', 'register_block_core_latest_posts' ); + +/** + * Handles outdated versions of the `core/latest-posts` block by converting + * attribute `categories` from a numeric string to an array with key `id`. + * + * This is done to accommodate the changes introduced in #20781 that sought to + * add support for multiple categories to the block. However, given that this + * block is dynamic, the usual provisions for block migration are insufficient, + * as they only act when a block is loaded in the editor. + * + * TODO: Remove when and if the bottom client-side deprecation for this block + * is removed. + * + * @param array $block A single parsed block object. + * + * @return array The migrated block object. + */ +function block_core_latest_posts_migrate_categories( $block ) { + if ( + 'core/latest-posts' === $block['blockName'] && + ! empty( $block['attrs']['categories'] ) && + is_string( $block['attrs']['categories'] ) + ) { + $block['attrs']['categories'] = array( + array( 'id' => absint( $block['attrs']['categories'] ) ), + ); + } + + return $block; +} +add_filter( 'render_block_data', 'block_core_latest_posts_migrate_categories' ); |