File "class-terms.php"
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Charset: utf-8
<?php
/**
* Terms sync module.
*
* @package automattic/jetpack-sync
*/
namespace Automattic\Jetpack\Sync\Modules;
use Automattic\Jetpack\Sync\Defaults;
use Automattic\Jetpack\Sync\Settings;
/**
* Class to handle sync for terms.
*/
class Terms extends Module {
/**
* Sync module name.
*
* @access public
*
* @return string
*/
public function name() {
return 'terms';
}
/**
* The id field in the database.
*
* @access public
*
* @return string
*/
public function id_field() {
return 'term_taxonomy_id';
}
/**
* The table in the database.
*
* @access public
*
* @return string
*/
public function table_name() {
return 'term_taxonomy';
}
/**
* Allows WordPress.com servers to retrieve term-related objects via the sync API.
*
* @param string $object_type The type of object.
* @param int $id The id of the object.
*
* @return bool|object A WP_Term object, or a row from term_taxonomy table depending on object type.
*/
public function get_object_by_id( $object_type, $id ) {
global $wpdb;
$object = false;
if ( 'term' === $object_type ) {
$object = get_term( (int) $id );
if ( is_wp_error( $object ) && $object->get_error_code() === 'invalid_taxonomy' ) {
// Fetch raw term.
$columns = implode( ', ', array_unique( array_merge( Defaults::$default_term_checksum_columns, array( 'term_group' ) ) ) );
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$object = $wpdb->get_row( $wpdb->prepare( "SELECT $columns FROM $wpdb->terms WHERE term_id = %d", $id ) );
}
}
if ( 'term_taxonomy' === $object_type ) {
$columns = implode( ', ', array_unique( array_merge( Defaults::$default_term_taxonomy_checksum_columns, array( 'description' ) ) ) );
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$object = $wpdb->get_row( $wpdb->prepare( "SELECT $columns FROM $wpdb->term_taxonomy WHERE term_taxonomy_id = %d", $id ) );
}
if ( 'term_relationships' === $object_type ) {
$columns = implode( ', ', Defaults::$default_term_relationships_checksum_columns );
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$objects = $wpdb->get_results( $wpdb->prepare( "SELECT $columns FROM $wpdb->term_relationships WHERE object_id = %d", $id ) );
$object = (object) array(
'object_id' => $id,
'relationships' => array_map( array( $this, 'expand_terms_for_relationship' ), $objects ),
);
}
return $object ? $object : false;
}
/**
* Initialize terms action listeners.
*
* @access public
*
* @param callable $callable Action handler callable.
*/
public function init_listeners( $callable ) {
add_action( 'created_term', array( $this, 'save_term_handler' ), 10, 3 );
add_action( 'edited_term', array( $this, 'save_term_handler' ), 10, 3 );
add_action( 'jetpack_sync_save_term', $callable );
add_action( 'jetpack_sync_add_term', $callable );
add_action( 'delete_term', $callable, 10, 4 );
add_action( 'set_object_terms', $callable, 10, 6 );
add_action( 'deleted_term_relationships', $callable, 10, 2 );
add_filter( 'jetpack_sync_before_enqueue_set_object_terms', array( $this, 'filter_set_object_terms_no_update' ) );
add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_save_term', array( $this, 'filter_blacklisted_taxonomies' ) );
add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_add_term', array( $this, 'filter_blacklisted_taxonomies' ) );
}
/**
* Initialize terms action listeners for full sync.
*
* @access public
*
* @param callable $callable Action handler callable.
*/
public function init_full_sync_listeners( $callable ) {
add_action( 'jetpack_full_sync_terms', $callable, 10, 2 );
}
/**
* Initialize the module in the sender.
*
* @access public
*/
public function init_before_send() {
// Full sync.
add_filter( 'jetpack_sync_before_send_jetpack_full_sync_terms', array( $this, 'expand_term_taxonomy_id' ) );
}
/**
* Enqueue the terms actions for full sync.
*
* @access public
*
* @param array $config Full sync configuration for this sync module.
* @param int $max_items_to_enqueue Maximum number of items to enqueue.
* @param boolean $state True if full sync has finished enqueueing this module, false otherwise.
* @return array Number of actions enqueued, and next module state.
*/
public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) {
global $wpdb;
return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_terms', $wpdb->term_taxonomy, 'term_taxonomy_id', $this->get_where_sql( $config ), $max_items_to_enqueue, $state );
}
/**
* Retrieve the WHERE SQL clause based on the module config.
*
* @access public
*
* @param array $config Full sync configuration for this sync module.
* @return string WHERE SQL clause, or `null` if no comments are specified in the module config.
*/
public function get_where_sql( $config ) {
$where_sql = Settings::get_blacklisted_taxonomies_sql();
if ( is_array( $config ) ) {
$where_sql .= ' AND term_taxonomy_id IN (' . implode( ',', array_map( 'intval', $config ) ) . ')';
}
return $where_sql;
}
/**
* Retrieve an estimated number of actions that will be enqueued.
*
* @access public
*
* @param array $config Full sync configuration for this sync module.
* @return int Number of items yet to be enqueued.
*/
public function estimate_full_sync_actions( $config ) {
global $wpdb;
$query = "SELECT count(*) FROM $wpdb->term_taxonomy";
$where_sql = $this->get_where_sql( $config );
if ( $where_sql ) {
$query .= ' WHERE ' . $where_sql;
}
// phpcs:disable WordPress.DB.PreparedSQL.NotPrepared
$count = $wpdb->get_var( $query );
return (int) ceil( $count / self::ARRAY_CHUNK_SIZE );
}
/**
* Retrieve the actions that will be sent for this module during a full sync.
*
* @access public
*
* @return array Full sync actions of this module.
*/
public function get_full_sync_actions() {
return array( 'jetpack_full_sync_terms' );
}
/**
* Handler for creating and updating terms.
*
* @access public
*
* @param int $term_id Term ID.
* @param int $tt_id Term taxonomy ID.
* @param string $taxonomy Taxonomy slug.
*/
public function save_term_handler( $term_id, $tt_id, $taxonomy ) {
if ( class_exists( '\\WP_Term' ) ) {
$term_object = \WP_Term::get_instance( $term_id, $taxonomy );
} else {
$term_object = get_term_by( 'id', $term_id, $taxonomy );
}
$current_filter = current_filter();
if ( 'created_term' === $current_filter ) {
/**
* Fires when the client needs to add a new term
*
* @since 1.6.3
* @since-jetpack 5.0.0
*
* @param object the Term object
*/
do_action( 'jetpack_sync_add_term', $term_object );
return;
}
/**
* Fires when the client needs to update a term
*
* @since 1.6.3
* @since-jetpack 4.2.0
*
* @param object the Term object
*/
do_action( 'jetpack_sync_save_term', $term_object );
}
/**
* Filter blacklisted taxonomies.
*
* @access public
*
* @param array $args Hook args.
* @return array|boolean False if not whitelisted, the original hook args otherwise.
*/
public function filter_blacklisted_taxonomies( $args ) {
$term = $args[0];
if ( in_array( $term->taxonomy, Settings::get_setting( 'taxonomies_blacklist' ), true ) ) {
return false;
}
return $args;
}
/**
* Filter out set_object_terms actions where the terms have not changed.
*
* @param array $args Hook args.
* @return array|boolean False if no change in terms, the original hook args otherwise.
*/
public function filter_set_object_terms_no_update( $args ) {
// There is potential for other plugins to modify args, therefore lets validate # of and types.
// $args[2] is $tt_ids, $args[5] is $old_tt_ids see wp-includes/taxonomy.php L2740.
if ( 6 === count( $args ) && is_array( $args[2] ) && is_array( $args[5] ) ) {
if ( empty( array_diff( $args[2], $args[5] ) ) && empty( array_diff( $args[5], $args[2] ) ) ) {
return false;
}
}
return $args;
}
/**
* Expand the term taxonomy IDs to terms within a hook before they are serialized and sent to the server.
*
* @access public
*
* @param array $args The hook parameters.
* @return array $args The expanded hook parameters.
*/
public function expand_term_taxonomy_id( $args ) {
list( $term_taxonomy_ids, $previous_end ) = $args;
return array(
'terms' => get_terms(
array(
'hide_empty' => false,
'term_taxonomy_id' => $term_taxonomy_ids,
'orderby' => 'term_taxonomy_id',
'order' => 'DESC',
)
),
'previous_end' => $previous_end,
);
}
/**
* Gets a term object based on a given row from the term_relationships database table.
*
* @access public
*
* @param object $relationship A row object from the term_relationships table.
* @return object|bool A term object, or false if term taxonomy doesn't exist.
*/
public function expand_terms_for_relationship( $relationship ) {
return get_term_by( 'term_taxonomy_id', $relationship->term_taxonomy_id );
}
}