diff options
Diffstat (limited to 'plugins/jetpack/sync/class.jetpack-sync-module-comments.php')
-rw-r--r-- | plugins/jetpack/sync/class.jetpack-sync-module-comments.php | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/plugins/jetpack/sync/class.jetpack-sync-module-comments.php b/plugins/jetpack/sync/class.jetpack-sync-module-comments.php new file mode 100644 index 00000000..3c93a8d6 --- /dev/null +++ b/plugins/jetpack/sync/class.jetpack-sync-module-comments.php @@ -0,0 +1,131 @@ +<?php + +class Jetpack_Sync_Module_Comments extends Jetpack_Sync_Module { + + public function name() { + return 'comments'; + } + + public function init_listeners( $callable ) { + add_action( 'wp_insert_comment', $callable, 10, 2 ); + add_action( 'deleted_comment', $callable ); + add_action( 'trashed_comment', $callable ); + add_action( 'spammed_comment', $callable ); + add_action( 'trashed_post_comments', $callable, 10, 2 ); + add_action( 'untrash_post_comments', $callable ); + + // even though it's messy, we implement these hooks because + // the edit_comment hook doesn't include the data + // so this saves us a DB read for every comment event + foreach ( array( '', 'trackback', 'pingback' ) as $comment_type ) { + foreach ( array( 'unapproved', 'approved' ) as $comment_status ) { + $comment_action_name = "comment_{$comment_status}_{$comment_type}"; + add_action( $comment_action_name, $callable, 10, 2 ); + } + } + } + + public function init_full_sync_listeners( $callable ) { + add_action( 'jetpack_full_sync_comments', $callable ); // also send comments meta + } + + public function init_before_send() { + add_filter( 'jetpack_sync_before_send_wp_insert_comment', array( $this, 'expand_wp_insert_comment' ) ); + + foreach ( array( '', 'trackback', 'pingback' ) as $comment_type ) { + foreach ( array( 'unapproved', 'approved' ) as $comment_status ) { + $comment_action_name = "comment_{$comment_status}_{$comment_type}"; + add_filter( 'jetpack_sync_before_send_' . $comment_action_name, array( + $this, + 'expand_wp_insert_comment', + ) ); + } + } + + // full sync + add_filter( 'jetpack_sync_before_send_jetpack_full_sync_comments', array( $this, 'expand_comment_ids' ) ); + } + + public function enqueue_full_sync_actions( $config ) { + global $wpdb; + return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_comments', $wpdb->comments, 'comment_ID', $this->get_where_sql( $config ) ); + } + + public function estimate_full_sync_actions( $config ) { + global $wpdb; + + $query = "SELECT count(*) FROM $wpdb->comments"; + + if ( $where_sql = $this->get_where_sql( $config ) ) { + $query .= ' WHERE ' . $where_sql; + } + + $count = $wpdb->get_var( $query ); + + return (int) ceil( $count / self::ARRAY_CHUNK_SIZE ); + } + + private function get_where_sql( $config ) { + if ( is_array( $config ) ) { + return 'comment_ID IN (' . implode( ',', array_map( 'intval', $config ) ) . ')'; + } + + return null; + } + + public function get_full_sync_actions() { + return array( 'jetpack_full_sync_comments' ); + } + + public function count_full_sync_actions( $action_names ) { + return $this->count_actions( $action_names, array( 'jetpack_full_sync_comments' ) ); + } + + function expand_wp_comment_status_change( $args ) { + return array( $args[0], $this->filter_comment( $args[1] ) ); + } + + function expand_wp_insert_comment( $args ) { + return array( $args[0], $this->filter_comment( $args[1] ) ); + } + + function filter_comment( $comment ) { + /** + * Filters whether to prevent sending comment data to .com + * + * Passing true to the filter will prevent the comment data from being sent + * to the WordPress.com. + * Instead we pass data that will still enable us to do a checksum against the + * Jetpacks data but will prevent us from displaying the data on in the API as well as + * other services. + * @since 4.2.0 + * + * @param boolean false prevent post data from bing synced to WordPress.com + * @param mixed $comment WP_COMMENT object + */ + if ( apply_filters( 'jetpack_sync_prevent_sending_comment_data', false, $comment ) ) { + $blocked_comment = new stdClass(); + $blocked_comment->comment_ID = $comment->comment_ID; + $blocked_comment->comment_date = $comment->comment_date; + $blocked_comment->comment_date_gmt = $comment->comment_date_gmt; + $blocked_comment->comment_approved = 'jetpack_sync_blocked'; + + return $blocked_comment; + } + + return $comment; + } + + public function expand_comment_ids( $args ) { + $comment_ids = $args[0]; + $comments = get_comments( array( + 'include_unapproved' => true, + 'comment__in' => $comment_ids, + ) ); + + return array( + $comments, + $this->get_metadata( $comment_ids, 'comment' ), + ); + } +} |