public void ChargeCard(PaymentDetails paymentDetails, Cart cart)
{
using (var paymentGateway = new PaymentGateway())
{
try
{
paymentGateway.Credentials = "account credentials";
paymentGateway.CardNumber = paymentDetails.CreditCardNumber;
paymentGateway.ExpiresMonth = paymentDetails.ExpiresMonth;
paymentGateway.ExpiresYear = paymentDetails.ExpiresYear;
paymentGateway.NameOnCard = paymentDetails.CardholderName;
paymentGateway.AmountToCharge = cart.TotalAmount;
paymentGateway.Charge();
}
catch (AvsMismatchException ex)
{
throw new OrderException("The card gateway rejected the card based on the address provided.", ex);
}
catch (Exception ex)
{
throw new OrderException("There was a problem with your card.", ex);
}
}
}
public void Checkout(Cart cart, PaymentDetails paymentDetails, bool notifyCustomer)
{
if (paymentDetails.PaymentMethod == PaymentMethod.CreditCard)
{
ChargeCard(paymentDetails, cart);
}
ReserveInventory(cart);
if(notifyCustomer)
{
NotifyCustomer(cart);
}
}
public void ReserveInventory(Cart cart)
{
foreach(var item in cart.Items)
{
try
{
var inventorySystem = new InventorySystem();
inventorySystem.Reserve(item.Sku, item.Quantity);
}
catch (InsufficientInventoryException ex)
{
throw new OrderException("Insufficient inventory for item " + item.Sku, ex);
}
catch (Exception ex)
{
throw new OrderException("Problem reserving inventory", ex);
}
}
}
public void NotifyCustomer(Cart cart)
{
string customerEmail = cart.CustomerEmail;
if (!String.IsNullOrEmpty(customerEmail))
{
using (var message = new MailMessage("*****@*****.**", customerEmail))
using (var client = new SmtpClient("localhost"))
{
message.Subject = "Your order placed on " + DateTime.Now.ToString();
message.Body = "Your order details: \n " + cart.ToString();
try
{
client.Send(message);
}
catch (Exception ex)
{
Logger.Error("Problem sending notification email", ex);
}
}
}
}
