public PaymentServiceResponse <PaymentResponse> Post([FromBody] PaymentRequest request)
{
PaymentServiceResponse <PaymentResponse> response = new PaymentServiceResponse <PaymentResponse>();
response.Status = HttpStatusCode.OK;
try
{
// throw new ArgumentNullException(nameof(request.Amount), "Amount is null");
response.DataContent = new PaymentResponse()
{
PaymentId = Guid.NewGuid(),
CustomerId = request.CustomerId,
Balance = 4513.25m
};
}
catch (Exception ex)
{
response.Status = HttpStatusCode.InternalServerError;
response.DataContent = null;
response.Error = new PaymentError()
{
ErrorMessage = ex.Message, ErrorType = ex.GetType().ToString()
};
}
return(response);
}
// GET api/payment
public PaymentServiceResponse <List <PaymentResponse> > Get()
{
PaymentServiceResponse <List <PaymentResponse> > response = new PaymentServiceResponse <List <PaymentResponse> >();
response.Status = HttpStatusCode.OK;
// throw new Exception("DOES NOT WORK!");
List <PaymentResponse> list = new List <PaymentResponse>();
list.Add(new PaymentResponse()
{
PaymentId = Guid.NewGuid(), CustomerId = 4512, Balance = 4512.45m
});
list.Add(new PaymentResponse()
{
PaymentId = Guid.NewGuid(), CustomerId = 4514, Balance = 1425
});
list.Add(new PaymentResponse()
{
PaymentId = Guid.NewGuid(), CustomerId = 4516, Balance = 458.45m
});
list.Add(new PaymentResponse()
{
PaymentId = Guid.NewGuid(), CustomerId = 4517, Balance = 350.45m
});
try
{
response.DataContent = list;
}
catch (Exception ex)
{
response.Status = HttpStatusCode.InternalServerError;
response.DataContent = null;
response.Error = new PaymentError()
{
ErrorMessage = ex.Message, ErrorType = ex.GetType().ToString()
};
}
return(response);
}
public async Task <PaymentServiceResponse> MakePayment(PaymentViewModel payment)
{
var gatewayResult = new PaymentGatewayResponse();
if (payment.Amount <= 20)
{
gatewayResult = await _cheapPaymentGateway.ProcessPayment(payment.CreditCardNumber, payment.CardHolder, payment.Amount);
}
else if (payment.Amount <= 500)
{
gatewayResult = await _expensivePaymentGateway.ProcessPayment(payment.CreditCardNumber, payment.CardHolder, payment.Amount);
if (gatewayResult.StatusCode != 200)
{
gatewayResult = await _cheapPaymentGateway.ProcessPayment(payment.CreditCardNumber, payment.CardHolder, payment.Amount);
}
}
else if (payment.Amount > 500)
{
int numberOfRetries = 3;
int i = 0;
while (i < numberOfRetries)
{
gatewayResult = await _premiumPaymentGateway.ProcessPayment(payment.CreditCardNumber, payment.CardHolder, payment.Amount);
if (gatewayResult.StatusCode == 200)
{
break;
}
i++;
}
}
if (gatewayResult.StatusCode == 200)
{
SavePayment(payment, gatewayResult.PaymentStatus);
}
var result = new PaymentServiceResponse {
StatusCode = gatewayResult.StatusCode, Message = gatewayResult.Message
};
return(result);
}
public override void OnActionExecuting(HttpActionContext actionContext)
{
string message = string.Empty;
bool firstError = true;
if (actionContext.ModelState.IsValid == false)
{
foreach (var item in actionContext.ModelState.Values)
{
foreach (var e in item.Errors)
{
if (!firstError)
{
message += "; ";
}
message += e.ErrorMessage;
firstError = false;
}
}
PaymentError paymentError = new PaymentError();
paymentError.ErrorMessage = message;
paymentError.ErrorType = typeof(PaymentRequiredFieldException).Name;
var response = new PaymentServiceResponse <Object>()
{
Status = HttpStatusCode.BadRequest,
DataContent = null,
Error = paymentError
};
actionContext.Response = actionContext.Request.CreateResponse(response);
}
}
