preOrderMessage method Null safety

  1. @override
Future<PreOrderMessageModel> preOrderMessage(
  1. {required int customerId}
)
override

Notify user when booking pre-order product

Use it in cart page

Implementation

@override
Future<PreOrderMessageModel> preOrderMessage(
    {required int customerId}) async {
  final response = await getData(
      path: 'profile/preOrederCart',
      queryParameters: {"CustomerID": customerId});
  final result = ApiReturnResult.fromJSON(response.data);
  if (result.code == 200) {
    return PreOrderMessageModel.fromJson(result.data);
  } else {
    throw ExceptionApi(code: result.code, message: result.error?.first);
  }
}