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<?php |
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/** |
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* Meta sync module. |
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* |
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* @package automattic/jetpack-sync |
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*/ |
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namespace Automattic\Jetpack\Sync\Modules; |
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/** |
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* Class to handle sync for meta. |
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*/ |
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class Meta extends Module { |
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/** |
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* Sync module name. |
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* |
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* @access public |
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* |
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* @return string |
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*/ |
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public function name() { |
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return 'meta'; |
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} |
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/** |
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* This implementation of get_objects_by_id() is a bit hacky since we're not passing in an array of meta IDs, |
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* but instead an array of post or comment IDs for which to retrieve meta for. On top of that, |
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* we also pass in an associative array where we expect there to be 'meta_key' and 'ids' keys present. |
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* |
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* This seemed to be required since if we have missing meta on WP.com and need to fetch it, we don't know what |
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* the meta key is, but we do know that we have missing meta for a given post or comment. |
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* |
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* @todo Refactor the $wpdb->prepare call to use placeholders. |
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* |
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* @param string $object_type The type of object for which we retrieve meta. Either 'post' or 'comment'. |
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* @param array $config Must include 'meta_key' and 'ids' keys. |
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* |
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* @return array |
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*/ |
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public function get_objects_by_id( $object_type, $config ) { |
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$table = _get_meta_table( $object_type ); |
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if ( ! $table ) { |
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return array(); |
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} |
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if ( ! is_array( $config ) ) { |
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return array(); |
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} |
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$meta_objects = array(); |
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foreach ( $config as $item ) { |
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$meta = null; |
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if ( isset( $item['id'] ) && isset( $item['meta_key'] ) ) { |
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$meta = $this->get_object_by_id( $object_type, (int) $item['id'], (string) $item['meta_key'] ); |
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} |
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$meta_objects[ $item['id'] . '-' . $item['meta_key'] ] = $meta; |
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} |
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return $meta_objects; |
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} |
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/** |
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* Get a single Meta Result. |
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* |
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* @param string $object_type post, comment, term, user. |
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* @param null $id Object ID. |
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* @param null $meta_key Meta Key. |
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* |
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* @return mixed|null |
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*/ |
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public function get_object_by_id( $object_type, $id = null, $meta_key = null ) { |
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global $wpdb; |
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if ( ! is_int( $id ) || ! is_string( $meta_key ) ) { |
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return null; |
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} |
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$table = _get_meta_table( $object_type ); |
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$object_id_column = $object_type . '_id'; |
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// Sanitize so that the array only has integer values. |
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$meta = $wpdb->get_row( |
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$wpdb->prepare( |
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// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
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"SELECT * FROM {$table} WHERE {$object_id_column} = %d AND meta_key = %s", |
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$id, |
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$meta_key |
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) |
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); |
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$meta_object = null; |
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if ( ! is_null( $meta ) ) { |
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$meta_object = (array) $meta; |
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if ( 'post' === $object_type && strlen( $meta_object['meta_value'] ) >= Posts::MAX_POST_META_LENGTH ) { |
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$meta_object['meta_value'] = ''; |
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} |
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$meta_object = array( |
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'meta_type' => $object_type, |
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'meta_id' => $meta_object['meta_id'], |
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'meta_key' => $meta_key, |
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'meta_value' => $meta_object['meta_value'], |
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'object_id' => $meta_object[ $object_id_column ], |
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); |
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} |
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return $meta_object; |
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} |
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} |
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Automattic /
jetpack
