158 lines
4.9 KiB
PHP
158 lines
4.9 KiB
PHP
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<?php
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/**
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* Server-side rendering of the `core/latest-comments` block.
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*
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* @package WordPress
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*/
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/**
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* Get the post title.
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*
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* The post title is fetched and if it is blank then a default string is
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* returned.
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*
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* Copied from `wp-admin/includes/template.php`, but we can't include that
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* file because:
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*
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* 1. It causes bugs with test fixture generation and strange Docker 255 error
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* codes.
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* 2. It's in the admin; ideally we *shouldn't* be including files from the
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* admin for a block's output. It's a very small/simple function as well,
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* so duplicating it isn't too terrible.
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*
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* @since 3.3.0
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*
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* @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
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* @return string The post title if set; "(no title)" if no title is set.
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*/
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function wp_latest_comments_draft_or_post_title( $post = 0 ) {
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$title = get_the_title( $post );
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if ( empty( $title ) ) {
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$title = __( '(no title)' );
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}
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return esc_html( $title );
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}
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/**
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* Renders the `core/latest-comments` block on server.
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*
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* @param array $attributes The block attributes.
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*
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* @return string Returns the post content with latest comments added.
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*/
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function render_block_core_latest_comments( $attributes = array() ) {
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$comments = get_comments(
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// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
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apply_filters(
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'widget_comments_args',
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array(
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'number' => $attributes['commentsToShow'],
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'status' => 'approve',
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'post_status' => 'publish',
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)
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)
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);
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$list_items_markup = '';
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if ( ! empty( $comments ) ) {
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// Prime the cache for associated posts. This is copied from \WP_Widget_Recent_Comments::widget().
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$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
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_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );
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foreach ( $comments as $comment ) {
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$list_items_markup .= '<li class="wp-block-latest-comments__comment">';
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if ( $attributes['displayAvatar'] ) {
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$avatar = get_avatar(
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$comment,
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48,
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'',
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'',
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array(
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'class' => 'wp-block-latest-comments__comment-avatar',
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)
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);
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if ( $avatar ) {
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$list_items_markup .= $avatar;
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}
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}
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$list_items_markup .= '<article>';
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$list_items_markup .= '<footer class="wp-block-latest-comments__comment-meta">';
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$author_url = get_comment_author_url( $comment );
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if ( empty( $author_url ) && ! empty( $comment->user_id ) ) {
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$author_url = get_author_posts_url( $comment->user_id );
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}
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$author_markup = '';
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if ( $author_url ) {
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$author_markup .= '<a class="wp-block-latest-comments__comment-author" href="' . esc_url( $author_url ) . '">' . get_comment_author( $comment ) . '</a>';
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} else {
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$author_markup .= '<span class="wp-block-latest-comments__comment-author">' . get_comment_author( $comment ) . '</span>';
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}
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// `_draft_or_post_title` calls `esc_html()` so we don't need to wrap that call in
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// `esc_html`.
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$post_title = '<a class="wp-block-latest-comments__comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '">' . wp_latest_comments_draft_or_post_title( $comment->comment_post_ID ) . '</a>';
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$list_items_markup .= sprintf(
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/* translators: 1: author name (inside <a> or <span> tag, based on if they have a URL), 2: post title related to this comment */
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__( '%1$s on %2$s' ),
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$author_markup,
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$post_title
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);
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if ( $attributes['displayDate'] ) {
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$list_items_markup .= sprintf(
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'<time datetime="%1$s" class="wp-block-latest-comments__comment-date">%2$s</time>',
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esc_attr( get_comment_date( 'c', $comment ) ),
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date_i18n( get_option( 'date_format' ), get_comment_date( 'U', $comment ) )
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);
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}
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$list_items_markup .= '</footer>';
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if ( $attributes['displayExcerpt'] ) {
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$list_items_markup .= '<div class="wp-block-latest-comments__comment-excerpt">' . wpautop( get_comment_excerpt( $comment ) ) . '</div>';
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}
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$list_items_markup .= '</article></li>';
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}
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}
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$classnames = array();
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if ( $attributes['displayAvatar'] ) {
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$classnames[] = 'has-avatars';
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}
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if ( $attributes['displayDate'] ) {
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$classnames[] = 'has-dates';
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}
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if ( $attributes['displayExcerpt'] ) {
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$classnames[] = 'has-excerpts';
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}
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if ( empty( $comments ) ) {
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$classnames[] = 'no-comments';
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}
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$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classnames ) ) );
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return ! empty( $comments ) ? sprintf(
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'<ol %1$s>%2$s</ol>',
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$wrapper_attributes,
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$list_items_markup
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) : sprintf(
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'<div %1$s>%2$s</div>',
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$wrapper_attributes,
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__( 'No comments to show.' )
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);
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}
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/**
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* Registers the `core/latest-comments` block.
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*/
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function register_block_core_latest_comments() {
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register_block_type_from_metadata(
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__DIR__ . '/latest-comments',
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array(
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'render_callback' => 'render_block_core_latest_comments',
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)
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);
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}
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add_action( 'init', 'register_block_core_latest_comments' );
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