'comment_parent', 'id' => 'comment_ID' ); public function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) { $output[] = $object->comment_ID; } /** * Taken from WordPress's Walker_Comment::display_element() * * This function is designed to enhance Walker::display_element() to * display children of higher nesting levels than selected inline on * the highest depth level displayed. This prevents them being orphaned * at the end of the comment list. * * Example: max_depth = 2, with 5 levels of nested content. * 1 * 1.1 * 1.1.1 * 1.1.1.1 * 1.1.1.1.1 * 1.1.2 * 1.1.2.1 * 2 * 2.2 * * @see Walker_Comment::display_element() * @see Walker::display_element() * @see wp_list_comments() */ public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { if ( !$element ) return; $id_field = $this->db_fields['id']; $id = $element->$id_field; parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); // If we're at the max depth, and the current element still has children, loop over those and display them at this level // This is to prevent them being orphaned to the end of the list. if ( $max_depth <= $depth + 1 && isset( $children_elements[$id]) ) { foreach ( $children_elements[ $id ] as $child ) $this->display_element( $child, $children_elements, $max_depth, $depth, $args, $output ); unset( $children_elements[ $id ] ); } } } // @todo permissions class WPCOM_JSON_API_List_Comments_Endpoint extends WPCOM_JSON_API_Comment_Endpoint { public $response_format = array( 'found' => '(int) The total number of comments found that match the request (ignoring limits, offsets, and pagination).', 'site_ID' => '(int) The site ID', 'comments' => '(array:comment) An array of comment objects.', ); function __construct( $args ) { parent::__construct( $args ); $this->query = array_merge( $this->query, array( 'number' => '(int=20) The number of comments to return. Limit: 100. When using hierarchical=1, number refers to the number of top-level comments returned.', 'offset' => '(int=0) 0-indexed offset. Not available if using hierarchical=1.', 'page' => '(int) Return the Nth 1-indexed page of comments. Takes precedence over the offset parameter. When using hierarchical=1, pagination is a bit different. See the note on the number parameter.', 'order' => array( 'DESC' => 'Return comments in descending order from newest to oldest.', 'ASC' => 'Return comments in ascending order from oldest to newest.', ), 'hierarchical' => array( 'false' => '', 'true' => '(BETA) Order the comment list hierarchically.', ), 'after' => '(ISO 8601 datetime) Return comments dated on or after the specified datetime. Not available if using hierarchical=1.', 'before' => '(ISO 8601 datetime) Return comments dated on or before the specified datetime. Not available if using hierarchical=1.', 'type' => array( 'any' => 'Return all comments regardless of type.', 'comment' => 'Return only regular comments.', 'trackback' => 'Return only trackbacks.', 'pingback' => 'Return only pingbacks.', 'pings' => 'Return both trackbacks and pingbacks.', ), 'status' => array( 'approved' => 'Return only approved comments.', 'unapproved' => 'Return only comments in the moderation queue.', 'spam' => 'Return only comments marked as spam.', 'trash' => 'Return only comments in the trash.', 'all' => 'Return comments of all statuses.', ), ) ); } // /sites/%s/comments/ -> $blog_id // /sites/%s/posts/%d/replies/ -> $blog_id, $post_id // /sites/%s/comments/%d/replies/ -> $blog_id, $comment_id function callback( $path = '', $blog_id = 0, $object_id = 0 ) { $blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) ); if ( is_wp_error( $blog_id ) ) { return $blog_id; } $args = $this->query_args(); if ( $args['number'] < 1 ) { $args['number'] = 20; } elseif ( 100 < $args['number'] ) { return new WP_Error( 'invalid_number', 'The NUMBER parameter must be less than or equal to 100.', 400 ); } if ( false !== strpos( $path, '/posts/' ) ) { // We're looking for comments of a particular post $post_id = $object_id; $comment_id = 0; } else { // We're looking for comments for the whole blog, or replies to a single comment $comment_id = $object_id; $post_id = 0; } // We can't efficiently get the number of replies to a single comment $count = false; $found = -1; if ( !$comment_id ) { // We can get comment counts for the whole site or for a single post, but only for certain queries if ( 'any' === $args['type'] && !isset( $args['after'] ) && !isset( $args['before'] ) ) { $count = wp_count_comments( $post_id ); } } switch ( $args['status'] ) { case 'approved' : $status = 'approve'; if ( $count ) { $found = $count->approved; } break; default : if ( !current_user_can( 'moderate_comments' ) ) { return new WP_Error( 'unauthorized', 'User cannot read non-approved comments', 403 ); } if ( 'unapproved' === $args['status'] ) { $status = 'hold'; $count_status = 'moderated'; } elseif ( 'all' === $args['status'] ) { $status = 'all'; $count_status = 'total_comments'; } else { $status = $count_status = $args['status']; } if ( $count ) { $found = $count->$count_status; } } $query = array( 'order' => $args['order'], 'type' => 'any' === $args['type'] ? false : $args['type'], 'status' => $status, ); if ( isset( $args['page'] ) ) { if ( $args['page'] < 1 ) { $args['page'] = 1; } } else { if ( $args['offset'] < 0 ) { $args['offset'] = 0; } } if ( ! $args['hierarchical'] ) { $query['number'] = $args['number']; if ( isset( $args['page'] ) ) { $query['offset'] = ( $args['page'] - 1 ) * $args['number']; } else { $query['offset'] = $args['offset']; } $is_before = isset( $args['before_gmt'] ); $is_after = isset( $args['after_gmt'] ); if ( $is_before || $is_after ) { $query['date_query'] = array( 'column' => 'comment_date_gmt', 'inclusive' => true, ); if ( $is_before ) { $query['date_query']['before'] = $args['before_gmt']; } if ( $is_after ) { $query['date_query']['after'] = $args['after_gmt']; } } } if ( $post_id ) { $post = get_post( $post_id ); if ( !$post || is_wp_error( $post ) ) { return new WP_Error( 'unknown_post', 'Unknown post', 404 ); } $query['post_id'] = $post->ID; if ( $this->api->ends_with( $this->path, '/replies' ) ) { $query['parent'] = 0; } } elseif ( $comment_id ) { $comment = get_comment( $comment_id ); if ( !$comment || is_wp_error( $comment ) ) { return new WP_Error( 'unknown_comment', 'Unknown comment', 404 ); } $query['parent'] = $comment_id; } $comments = get_comments( $query ); update_comment_cache( $comments ); if ( $args['hierarchical'] ) { $walker = new WPCOM_JSON_API_List_Comments_Walker; $comment_ids = $walker->paged_walk( $comments, get_option( 'thread_comments_depth', -1 ), isset( $args['page'] ) ? $args['page'] : 1 , $args['number'] ); if ( ! empty( $comment_ids ) ) { $comments = array_map( 'get_comment', $comment_ids ); } } $return = array(); foreach ( array_keys( $this->response_format ) as $key ) { switch ( $key ) { case 'found' : $return[ $key ] = (int) $found; break; case 'site_ID' : $return[ $key ] = (int) $blog_id; break; case 'comments' : $return_comments = array(); if ( ! empty( $comments ) ) { foreach ( $comments as $comment ) { $the_comment = $this->get_comment( $comment->comment_ID, $args['context'] ); if ( $the_comment && !is_wp_error( $the_comment ) ) { $return_comments[] = $the_comment; } } } if ( $return_comments ) { /** This action is documented in json-endpoints/class.wpcom-json-api-site-settings-endpoint.php */ do_action( 'wpcom_json_api_objects', 'comments', count( $return_comments ) ); } $return[ $key ] = $return_comments; break; } } return $return; } }