wp/wp-includes/blocks/latest-comments.php
changeset 9 177826044cd9
child 16 a86126ab1dd4
equal deleted inserted replaced
8:c7c34916027a 9:177826044cd9
       
     1 <?php
       
     2 /**
       
     3  * Server-side rendering of the `core/latest-comments` block.
       
     4  *
       
     5  * @package WordPress
       
     6  */
       
     7 
       
     8 /**
       
     9  * Get the post title.
       
    10  *
       
    11  * The post title is fetched and if it is blank then a default string is
       
    12  * returned.
       
    13  *
       
    14  * Copied from `wp-admin/includes/template.php`, but we can't include that
       
    15  * file because:
       
    16  *
       
    17  * 1. It causes bugs with test fixture generation and strange Docker 255 error
       
    18  *    codes.
       
    19  * 2. It's in the admin; ideally we *shouldn't* be including files from the
       
    20  *    admin for a block's output. It's a very small/simple function as well,
       
    21  *    so duplicating it isn't too terrible.
       
    22  *
       
    23  * @since 3.3.0
       
    24  *
       
    25  * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
       
    26  * @return string The post title if set; "(no title)" if no title is set.
       
    27  */
       
    28 function wp_latest_comments_draft_or_post_title( $post = 0 ) {
       
    29 	$title = get_the_title( $post );
       
    30 	if ( empty( $title ) ) {
       
    31 		$title = __( '(no title)' );
       
    32 	}
       
    33 	return esc_html( $title );
       
    34 }
       
    35 
       
    36 /**
       
    37  * Renders the `core/latest-comments` block on server.
       
    38  *
       
    39  * @param array $attributes The block attributes.
       
    40  *
       
    41  * @return string Returns the post content with latest comments added.
       
    42  */
       
    43 function render_block_core_latest_comments( $attributes = array() ) {
       
    44 	// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
       
    45 	$comments = get_comments(
       
    46 		apply_filters(
       
    47 			'widget_comments_args',
       
    48 			array(
       
    49 				'number'      => $attributes['commentsToShow'],
       
    50 				'status'      => 'approve',
       
    51 				'post_status' => 'publish',
       
    52 			)
       
    53 		)
       
    54 	);
       
    55 
       
    56 	$list_items_markup = '';
       
    57 	if ( ! empty( $comments ) ) {
       
    58 		// Prime the cache for associated posts. This is copied from \WP_Widget_Recent_Comments::widget().
       
    59 		$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
       
    60 		_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
       
    61 
       
    62 		foreach ( $comments as $comment ) {
       
    63 			$list_items_markup .= '<li class="wp-block-latest-comments__comment">';
       
    64 			if ( $attributes['displayAvatar'] ) {
       
    65 				$avatar = get_avatar(
       
    66 					$comment,
       
    67 					48,
       
    68 					'',
       
    69 					'',
       
    70 					array(
       
    71 						'class' => 'wp-block-latest-comments__comment-avatar',
       
    72 					)
       
    73 				);
       
    74 				if ( $avatar ) {
       
    75 					$list_items_markup .= $avatar;
       
    76 				}
       
    77 			}
       
    78 
       
    79 			$list_items_markup .= '<article>';
       
    80 			$list_items_markup .= '<footer class="wp-block-latest-comments__comment-meta">';
       
    81 			$author_url         = get_comment_author_url( $comment );
       
    82 			if ( empty( $author_url ) && ! empty( $comment->user_id ) ) {
       
    83 				$author_url = get_author_posts_url( $comment->user_id );
       
    84 			}
       
    85 
       
    86 			$author_markup = '';
       
    87 			if ( $author_url ) {
       
    88 				$author_markup .= '<a class="wp-block-latest-comments__comment-author" href="' . esc_url( $author_url ) . '">' . get_comment_author( $comment ) . '</a>';
       
    89 			} else {
       
    90 				$author_markup .= '<span class="wp-block-latest-comments__comment-author">' . get_comment_author( $comment ) . '</span>';
       
    91 			}
       
    92 
       
    93 			// `_draft_or_post_title` calls `esc_html()` so we don't need to wrap that call in
       
    94 			// `esc_html`.
       
    95 			$post_title = '<a class="wp-block-latest-comments__comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '">' . wp_latest_comments_draft_or_post_title( $comment->comment_post_ID ) . '</a>';
       
    96 
       
    97 			$list_items_markup .= sprintf(
       
    98 				/* translators: 1: author name (inside <a> or <span> tag, based on if they have a URL), 2: post title related to this comment */
       
    99 				__( '%1$s on %2$s' ),
       
   100 				$author_markup,
       
   101 				$post_title
       
   102 			);
       
   103 
       
   104 			if ( $attributes['displayDate'] ) {
       
   105 				$list_items_markup .= sprintf(
       
   106 					'<time datetime="%1$s" class="wp-block-latest-comments__comment-date">%2$s</time>',
       
   107 					esc_attr( get_comment_date( 'c', $comment ) ),
       
   108 					date_i18n( get_option( 'date_format' ), get_comment_date( 'U', $comment ) )
       
   109 				);
       
   110 			}
       
   111 			$list_items_markup .= '</footer>';
       
   112 			if ( $attributes['displayExcerpt'] ) {
       
   113 				$list_items_markup .= '<div class="wp-block-latest-comments__comment-excerpt">' . wpautop( get_comment_excerpt( $comment ) ) . '</div>';
       
   114 			}
       
   115 			$list_items_markup .= '</article></li>';
       
   116 		}
       
   117 	}
       
   118 
       
   119 	$class = 'wp-block-latest-comments';
       
   120 	if ( ! empty( $attributes['className'] ) ) {
       
   121 		$class .= ' ' . $attributes['className'];
       
   122 	}
       
   123 	if ( isset( $attributes['align'] ) ) {
       
   124 		$class .= " align{$attributes['align']}";
       
   125 	}
       
   126 	if ( $attributes['displayAvatar'] ) {
       
   127 		$class .= ' has-avatars';
       
   128 	}
       
   129 	if ( $attributes['displayDate'] ) {
       
   130 		$class .= ' has-dates';
       
   131 	}
       
   132 	if ( $attributes['displayExcerpt'] ) {
       
   133 		$class .= ' has-excerpts';
       
   134 	}
       
   135 	if ( empty( $comments ) ) {
       
   136 		$class .= ' no-comments';
       
   137 	}
       
   138 	$classnames = esc_attr( $class );
       
   139 
       
   140 	$block_content = ! empty( $comments ) ? sprintf(
       
   141 		'<ol class="%1$s">%2$s</ol>',
       
   142 		$classnames,
       
   143 		$list_items_markup
       
   144 	) : sprintf(
       
   145 		'<div class="%1$s">%2$s</div>',
       
   146 		$classnames,
       
   147 		__( 'No comments to show.' )
       
   148 	);
       
   149 
       
   150 	return $block_content;
       
   151 }
       
   152 
       
   153 register_block_type(
       
   154 	'core/latest-comments',
       
   155 	array(
       
   156 		'attributes'      => array(
       
   157 			'align'          => array(
       
   158 				'type' => 'string',
       
   159 				'enum' => array( 'left', 'center', 'right', 'wide', 'full' ),
       
   160 			),
       
   161 			'className'      => array(
       
   162 				'type' => 'string',
       
   163 			),
       
   164 			'commentsToShow' => array(
       
   165 				'type'    => 'number',
       
   166 				'default' => 5,
       
   167 				'minimum' => 1,
       
   168 				'maximum' => 100,
       
   169 			),
       
   170 			'displayAvatar'  => array(
       
   171 				'type'    => 'boolean',
       
   172 				'default' => true,
       
   173 			),
       
   174 			'displayDate'    => array(
       
   175 				'type'    => 'boolean',
       
   176 				'default' => true,
       
   177 			),
       
   178 			'displayExcerpt' => array(
       
   179 				'type'    => 'boolean',
       
   180 				'default' => true,
       
   181 			),
       
   182 		),
       
   183 		'render_callback' => 'render_block_core_latest_comments',
       
   184 	)
       
   185 );