Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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.
+			 * [&hellip;] is the default excerpt ending from wp_trim_excerpt() in Core.
+			 */
+			if ( str_ends_with( $trimmed_excerpt, ' [&hellip;]' ) ) {
+				$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' );