checkoutDiscountCodeApply method

Future<Checkout> checkoutDiscountCodeApply(
  1. String checkoutId,
  2. String discountCode
)

Applies discountCode to the Checkout that checkoutId belongs to.

Implementation

Future<Checkout> checkoutDiscountCodeApply(
  String checkoutId,
  String discountCode,
) async {
  final MutationOptions _options = MutationOptions(
      document: gql(checkoutDiscountCodeApplyV2Mutation),
      variables: {'checkoutId': checkoutId, 'discountCode': discountCode});
  final QueryResult result = await _graphQLClient!.mutate(_options);
  checkForError(
    result,
    key: 'checkoutDiscountCodeApplyV2',
    errorKey: 'checkoutUserErrors',
  );
  return Checkout.fromJson(((result.data?['checkoutDiscountCodeApplyV2'] ??
          const {})['checkout'] ??
      const {}));
}