addRate method Null safety

  1. @override
Future<bool?> addRate(
  1. {required String productCode,
  2. required double rate,
  3. required int customerId}
)
override

It's used for only adding rate on product,User must have an account to use this feature.

Implementation

@override
Future<bool?> addRate(
    {required String productCode,
    required double rate,
    required int customerId}) async {
  final response = await postData(
    path: 'product/rate/add',
    queryParameters: {
      'ProductCode': productCode,
      'customerID': customerId,
      'rate': rate,
    },
  );
  final result = ApiReturnResult.fromJSON(response.data);
  if (result.code == 200) {
    return result.data ?? true;
  } else {
    throw ExceptionApi(code: result.code, message: result.error?.first);
  }
}