public PaymentInfo MakePayment(Card cardInfo, double amount)
{
//Logic
//Use the cardinfo for payment.
if (VerifyCard(cardInfo))
{
ServiceExceptionInfo info = new ServiceExceptionInfo();
if (amount <= 0)
{
info.ErrorCode = 101;
info.Description = "Invalid amount";
info.When = DateTime.Now;
//throw new FaultException<ServiceExceptionInfo>(info, new FaultReason("Error in MakePayment, invalid amount"));
throw new FaultException("Error in MakePayment, invalid amount");
}
//Original Code Commented To Induce Bug - Not Checking for Balance
if (cardBal < amount)
{
info.ErrorCode = 102;
info.Description = "Insufficient balance in the card";
info.When = DateTime.Now;
//throw new FaultException<ServiceExceptionInfo>(info, new FaultReason("Error in MakePayment, insufficient balance in the card"));
throw new FaultException("Error in MakePayment, insufficient balance in the card");
}
cardBal -= amount;
s_card.Balance = cardBal;
s_card = null;
return(new PaymentInfo()
{
ReferenceNo = Guid.NewGuid().ToString(), Status = PaymentStatus.Success
});
}
return(null);
}
/// <summary>
/// Verifies the card to be used for payment
/// </summary>
/// <param name="cardInfo"></param>
/// <returns>True if card information is valid</returns>
public bool VerifyCard(Card cardInfo)
{
string cardNo = null;
string cvvNo = null;
string mName = null;
CardType cardType = CardType.Visa;
int cardExpMonth = 0;
int cardExpYear = 0;
for (int i = 0; i < cards.Count; i++)
{
if (cards[i].CardNo == cardInfo.CardNo)
{
mName = cards[i].MemberName;
cardNo = cards[i].CardNo;
cvvNo = cards[i].CVV;
cardBal = cards[i].Balance;
cardExpMonth = cards[i].ExpMonth;
cardExpYear = cards[i].ExpYear;
cardType = cards[i].CardType;
s_card = cards[i];
break;
}
}
if (cardNo == null)
{
throw new FaultException("Invalid Card Number or no such card number exists");
}
if (cvvNo == null)
{
throw new FaultException("Invalid CVV Number");
}
if (cardType != cardInfo.Type)
{
throw new FaultException("Invalid Card Type");
}
if (cvvNo != cardInfo.Cvv2No)
{
throw new FaultException("Invalid CVV Number");
}
if (mName != cardInfo.Name)
{
throw new FaultException("Invalid Member Name");
}
if (cardExpMonth != cardInfo.ExpiryMonth)
{
throw new FaultException("Invalid Card Expiry Month");
}
if (cardExpYear != cardInfo.ExpiryYear)
{
throw new FaultException("Invalid Card Expiry Year");
}
if (cardExpYear < DateTime.Now.Year)
{
throw new FaultException("Card Expired");
}
//if (cardExpYear == DateTime.Now.Year && cardExpMonth <= DateTime.Now.Month)
//{
// throw new FaultException("Card Expired");
//}
return(true);
}