diff options
Diffstat (limited to 'plugins/jetpack/sync/class.jetpack-sync-module.php')
| -rw-r--r-- | plugins/jetpack/sync/class.jetpack-sync-module.php | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/plugins/jetpack/sync/class.jetpack-sync-module.php b/plugins/jetpack/sync/class.jetpack-sync-module.php deleted file mode 100644 index 995e5ec3..00000000 --- a/plugins/jetpack/sync/class.jetpack-sync-module.php +++ /dev/null @@ -1,174 +0,0 @@ -<?php - -/** - * Basic methods implemented by Jetpack Sync extensions - */ -abstract class Jetpack_Sync_Module { - const ARRAY_CHUNK_SIZE = 10; - - abstract public function name(); - - public function get_object_by_id( $object_type, $id ) { - return false; - } - - // override these to set up listeners and set/reset data/defaults - public function init_listeners( $callable ) { - } - - public function init_full_sync_listeners( $callable ) { - } - - public function init_before_send() { - } - - public function set_defaults() { - } - - public function reset_data() { - } - - public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) { - // in subclasses, return the number of actions enqueued, and next module state (true == done) - return array( 0, true ); - } - - public function estimate_full_sync_actions( $config ) { - // in subclasses, return the number of items yet to be enqueued - return 0; - } - - public function get_full_sync_actions() { - return array(); - } - - protected function count_actions( $action_names, $actions_to_count ) { - return count( array_intersect( $action_names, $actions_to_count ) ); - } - - protected function get_check_sum( $values ) { - return crc32( wp_json_encode( jetpack_json_wrap( $values ) ) ); - } - - protected function still_valid_checksum( $sums_to_check, $name, $new_sum ) { - if ( isset( $sums_to_check[ $name ] ) && $sums_to_check[ $name ] === $new_sum ) { - return true; - } - - return false; - } - - protected function enqueue_all_ids_as_action( $action_name, $table_name, $id_field, $where_sql, $max_items_to_enqueue, $state ) { - global $wpdb; - - if ( ! $where_sql ) { - $where_sql = '1 = 1'; - } - - $items_per_page = 1000; - $page = 1; - $chunk_count = 0; - $previous_interval_end = $state ? $state : '~0'; - $listener = Jetpack_Sync_Listener::get_instance(); - - // count down from max_id to min_id so we get newest posts/comments/etc first - while ( $ids = $wpdb->get_col( "SELECT {$id_field} FROM {$table_name} WHERE {$where_sql} AND {$id_field} < {$previous_interval_end} ORDER BY {$id_field} DESC LIMIT {$items_per_page}" ) ) { - // Request posts in groups of N for efficiency - $chunked_ids = array_chunk( $ids, self::ARRAY_CHUNK_SIZE ); - - // if we hit our row limit, process and return - if ( $chunk_count + count( $chunked_ids ) >= $max_items_to_enqueue ) { - $remaining_items_count = $max_items_to_enqueue - $chunk_count; - $remaining_items = array_slice( $chunked_ids, 0, $remaining_items_count ); - $remaining_items_with_previous_interval_end = $this->get_chunks_with_preceding_end( $remaining_items, $previous_interval_end ); - $listener->bulk_enqueue_full_sync_actions( $action_name, $remaining_items_with_previous_interval_end ); - - $last_chunk = end( $remaining_items ); - return array( $remaining_items_count + $chunk_count, end( $last_chunk ) ); - } - $chunked_ids_with_previous_end = $this->get_chunks_with_preceding_end( $chunked_ids, $previous_interval_end ); - - $listener->bulk_enqueue_full_sync_actions( $action_name, $chunked_ids_with_previous_end ); - - $chunk_count += count( $chunked_ids ); - $page += 1; - // $ids are ordered in descending order - $previous_interval_end = end( $ids ); - } - - return array( $chunk_count, true ); - } - - private function get_chunks_with_preceding_end( $chunks, $previous_interval_end ) { - foreach( $chunks as $chunk ) { - $chunks_with_ends[] = array( - 'ids' => $chunk, - 'previous_end' => $previous_interval_end - ); - // Chunks are ordered in descending order - $previous_interval_end = end( $chunk ); - } - return $chunks_with_ends; - } - - protected function get_metadata( $ids, $meta_type, $meta_key_whitelist ) { - global $wpdb; - $table = _get_meta_table( $meta_type ); - $id = $meta_type . '_id'; - if ( ! $table ) { - return array(); - } - - $private_meta_whitelist_sql = "'" . implode( "','", array_map( 'esc_sql', $meta_key_whitelist ) ) . "'"; - - return array_map( - array( $this, 'unserialize_meta' ), - $wpdb->get_results( - "SELECT $id, meta_key, meta_value, meta_id FROM $table WHERE $id IN ( " . implode( ',', wp_parse_id_list( $ids ) ) . ' )' . - " AND meta_key IN ( $private_meta_whitelist_sql ) ", - OBJECT - ) - ); - } - - public function init_listeners_for_meta_type( $meta_type, $callable ) { - add_action( "added_{$meta_type}_meta", $callable, 10, 4 ); - add_action( "updated_{$meta_type}_meta", $callable, 10, 4 ); - add_action( "deleted_{$meta_type}_meta", $callable, 10, 4 ); - } - - public function init_meta_whitelist_handler( $meta_type, $whitelist_handler ) { - add_filter( "jetpack_sync_before_enqueue_added_{$meta_type}_meta", $whitelist_handler ); - add_filter( "jetpack_sync_before_enqueue_updated_{$meta_type}_meta", $whitelist_handler ); - add_filter( "jetpack_sync_before_enqueue_deleted_{$meta_type}_meta", $whitelist_handler ); - } - - protected function get_term_relationships( $ids ) { - global $wpdb; - - return $wpdb->get_results( "SELECT object_id, term_taxonomy_id FROM $wpdb->term_relationships WHERE object_id IN ( " . implode( ',', wp_parse_id_list( $ids ) ) . ' )', OBJECT ); - } - - public function unserialize_meta( $meta ) { - $meta->meta_value = maybe_unserialize( $meta->meta_value ); - return $meta; - } - - public function get_objects_by_id( $object_type, $ids ) { - if ( empty( $ids ) || empty( $object_type ) ) { - return array(); - } - - $objects = array(); - foreach ( (array) $ids as $id ) { - $object = $this->get_object_by_id( $object_type, $id ); - - // Only add object if we have the object. - if ( $object ) { - $objects[ $id ] = $object; - } - } - - return $objects; - } -} |