View file File name : class-wc-rest-coupons-controller.php Content :<?php /** * REST API Coupons controller * * Handles requests to the /coupons endpoint. * * @package WooCommerce\RestApi * @since 2.6.0 */ defined( 'ABSPATH' ) || exit; /** * REST API Coupons controller class. * * @package WooCommerce\RestApi * @extends WC_REST_Coupons_V2_Controller */ class WC_REST_Coupons_Controller extends WC_REST_Coupons_V2_Controller { /** * Endpoint namespace. * * @var string */ protected $namespace = 'wc/v3'; /** * Prepare objects query. * * @param WP_REST_Request $request Full details about the request. * @return array */ protected function prepare_objects_query( $request ) { $args = parent::prepare_objects_query( $request ); // Set post_status. $args['post_status'] = $request['status']; if ( ! empty( $request['code'] ) ) { $id = wc_get_coupon_id_by_code( $request['code'] ); $args['post__in'] = array( $id ); } // Get only ids. $args['fields'] = 'ids'; return $args; } }