public async Task <bool> ProcessPayment(ProcessPaymentModel model)
{
try
{
//Adding Payment
var payment = new Payment
{
CreditCardNumber = model.CreditCardNumber,
CardHolder = model.CardHolder,
ExpirationDate = model.ExpirationDate,
SecurityCode = model.SecurityCode,
Amount = model.Amount
};
_uow.Add(payment);
await _uow.CommitAsync();
//Adding Payment Status as Initial - Pending
var paymentStatus = new PaymentStatus
{
PaymentId = payment.Id,
StatusId = (int)TransactionStatus.Pending
};
_uow.Add(paymentStatus);
paymentStatus = new PaymentStatus()
{
PaymentId = payment.Id
};
var factory = new PaymentGatewayFactory();
IPaymentGateway paymentGateway = factory.GetPaymentGateway(model.Amount);
if (await paymentGateway.ProcessPayment())
{
paymentStatus.StatusId = (int)TransactionStatus.Processed;
}
else
{
paymentStatus.StatusId = (int)TransactionStatus.Failed;
}
_uow.Add(paymentStatus);
await _uow.CommitAsync();
return(true);
}
catch (Exception ex)
{
throw new BadRequestException(ex.Message);
}
}
public void GetPaymentGateway_VerifyMethodCallOfCheapGateway(decimal amount, string status)
{
PaymentStatus expected;
Enum.TryParse <PaymentStatus>(status, out expected);
mockCheapGateway.Setup(x => x.ProceessAmount(amount)).Returns(expected);
mockExpensiveGateway.Setup(x => x.ProceessAmount(amount)).Returns(expected);
mockPremiumGateway.Setup(x => x.ProceessAmount(amount)).Returns(expected);
sut = new PaymentGatewayFactory(mockCheapGateway.Object, mockExpensiveGateway.Object, mockPremiumGateway.Object);
sut.GetPaymentGateway(amount);
mockCheapGateway.Verify(x => x.ProceessAmount(amount), Times.Once);
}
public void GetPaymentGateway_WithStatus(decimal amount, string status)
{
PaymentStatus expected;
Enum.TryParse <PaymentStatus>(status, out expected);
mockCheapGateway.Setup(x => x.ProceessAmount(amount)).Returns(expected);
mockExpensiveGateway.Setup(x => x.ProceessAmount(amount)).Returns(expected);
mockPremiumGateway.Setup(x => x.ProceessAmount(amount)).Returns(expected);
sut = new PaymentGatewayFactory(mockCheapGateway.Object, mockExpensiveGateway.Object, mockPremiumGateway.Object);
var result = sut.GetPaymentGateway(amount);
Assert.Equal(expected, result);
}
public async Task <String> MakePayment(PaymentDetails paymentDetails)
{
String response = String.Empty;
try
{
//Using Custom Credit Card Validation Instead of CreditCardAttribute
if (!String.IsNullOrEmpty(paymentDetails?.CreditCardNumber) && Validation.IsCardNumberValid(paymentDetails.CreditCardNumber))
{
if (paymentDetails.Amount > 0 && Validation.IsExpirationDateValid(paymentDetails.ExpirationDate))
{
//String encryptedCardNumber = _Encryption.EncryptAndSave(paymentDetails.CreditCardNumber);
String encryptedCardNumber = paymentDetails.CreditCardNumber;
//Checking for existing user.
var existing_user = _PaymentContext.People.Include(x => x.CardInformation)
.Where(x => x.FullName == paymentDetails.CardHolderName)
.FirstOrDefault();
if (existing_user is null)
{
// if the user doesn't exist , insert into the database
existing_user = AddNewUser(paymentDetails, encryptedCardNumber);
}
else
{
// checking whether the card exists or not
var card = existing_user.CardInformation.Where(x => x.CreditCardNumber == encryptedCardNumber).FirstOrDefault();
if (card is null)
{
CardInformation cardInformation = new CardInformation()
{
CreditCardNumber = encryptedCardNumber,
SecurityCode = paymentDetails.SecurityCode
};
existing_user.CardInformation.Add(cardInformation);
existing_user = _PeopleRepo.UpdateAndGet(existing_user);
}
}
//Creating a new transaction
Transactions NewTransaction = new Transactions();
_TransactionRepo.Insert(NewTransaction);
_TransactionRepo.Save();
existing_user.CardInformation.Where(x => x.CreditCardNumber == encryptedCardNumber).FirstOrDefault().Transactions.Add(NewTransaction);
existing_user = _PeopleRepo.UpdateAndGet(existing_user);
//Payment Gateway Call
_PaymentGateway = _PaymentGatewayFactory.GetPaymentGateway(paymentDetails.Amount);
response = await _PaymentGateway.GetPaymentStatus(paymentDetails);
//Updating the response
NewTransaction.PaymentState = response;
_TransactionRepo.Update(NewTransaction);
_TransactionRepo.Save();
}
}
else
{
response = "Invalid Card Number";
}
}
catch (Exception ex)
{
response = ex.Message;
}
return(response);
}