/// <summary>
/// Create a payment for a ticketing order. An Order can hold a collection of payment items.
/// </summary>
/// <param name="orderID">Order to pay for</param>
/// <param name="customerID">Paying customer</param>
/// <param name="amount"></param>
/// <param name="methodOfPayment"></param>
/// <param name="creditCardNumber">CreditCard information. Relevant only when the payment method is credit card. </param>
/// <returns></returns>
public Contracts.Payment PayForOrder(Guid orderID, Guid customerID, double amount, PaymentType methodOfPayment, string creditCardNumber)
{
PaymentDal p_dal = new PaymentDal();
Contracts.Payment newPayment;
if (methodOfPayment == PaymentType.CreditCard)
ApproveCreditCard(creditCardNumber);
newPayment = new Contracts.Payment()
{
Amount = amount,
Date = DateTime.Now,
MethodOfPayment = methodOfPayment,
CustomerID = customerID,
OrderID = orderID
};
var id = p_dal.CreateEntity(newPayment);
// to make sure the payment is saved we return the payment written to the database.
return p_dal.GetEntity(id);
}
/// <summary>
/// Simulate refund by creating a negative payment item.
/// </summary>
/// <param name="paymentID">The payment item to refund</param>
/// <param name="customerID"></param>
/// <returns></returns>
public Contracts.Payment Refund(long paymentID, Guid customerID)
{
PaymentDal p_dal = new PaymentDal();
Contracts.Payment refund;
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required))
{
//validate the payment.
var payment = p_dal.GetEntity(paymentID);
if (payment == null)
throw new PaymentException(StringsResource.RefundFailedPaymentNotFound);
if (payment.Amount < 0)
throw new PaymentException(StringsResource.RefundFailedNegativeAmount);
//Refund is a payment record with a negative amount
refund = new Contracts.Payment()
{
ID = Interlocked.Increment(ref paymentID),
Amount = 0 - payment.Amount,
Date = DateTime.Now,
MethodOfPayment = payment.MethodOfPayment,
CustomerID = customerID,
OrderID = payment.OrderID
};
p_dal.CreateEntity(refund);
scope.Complete();
}
// to make sure the payment is saved we return the payment written to the database.
return p_dal.GetEntity(refund.ID);
}
