CartRemoveCoupon.php
<?php
namespace Automattic\WooCommerce\StoreApi\Routes\V1;
use Automattic\WooCommerce\StoreApi\Exceptions\RouteException;
/**
* CartRemoveCoupon class.
*/
class CartRemoveCoupon extends AbstractCartRoute {
/**
* The route identifier.
*
* @var string
*/
const IDENTIFIER = 'cart-remove-coupon';
/**
* Get the path of this REST route.
*
* @return string
*/
public function get_path() {
return self::get_path_regex();
}
/**
* Get the path of this rest route.
*
* @return string
*/
public static function get_path_regex() {
return '/cart/remove-coupon';
}
/**
* Get method arguments for this REST route.
*
* @return array An array of endpoints.
*/
public function get_args() {
return [
[
'methods' => \WP_REST_Server::CREATABLE,
'callback' => [ $this, 'get_response' ],
'permission_callback' => '__return_true',
'args' => [
'code' => [
'description' => __( 'Unique identifier for the coupon within the cart.', 'woocommerce' ),
'type' => 'string',
],
],
],
'schema' => [ $this->schema, 'get_public_item_schema' ],
'allow_batch' => [ 'v1' => true ],
];
}
/**
* Handle the request and return a valid response for this endpoint.
*
* @throws RouteException On error.
* @param \WP_REST_Request $request Request object.
* @return \WP_REST_Response
*/
protected function get_route_post_response( \WP_REST_Request $request ) {
if ( ! wc_coupons_enabled() ) {
throw new RouteException( 'woocommerce_rest_cart_coupon_disabled', __( 'Coupons are disabled.', 'woocommerce' ), 404 );
}
$cart = $this->cart_controller->get_cart_instance();
$coupon_code = wc_format_coupon_code( $request['code'] );
$coupon = new \WC_Coupon( $coupon_code );
if ( $coupon->get_code() !== $coupon_code || ! $coupon->is_valid() ) {
throw new RouteException( 'woocommerce_rest_cart_coupon_error', __( 'Invalid coupon code.', 'woocommerce' ), 400 );
}
if ( ! $this->cart_controller->has_coupon( $coupon_code ) ) {
throw new RouteException( 'woocommerce_rest_cart_coupon_invalid_code', __( 'Coupon cannot be removed because it is not already applied to the cart.', 'woocommerce' ), 409 );
}
$cart = $this->cart_controller->get_cart_instance();
$cart->remove_coupon( $coupon_code );
$cart->calculate_totals();
return rest_ensure_response( $this->schema->get_item_response( $cart ) );
}
}