public OperationsResult ValidateEmail()
{
OperationsResult operationsResult = new OperationsResult();
if (string.IsNullOrWhiteSpace(this.EmailAddress))
{
operationsResult.Success = false;
operationsResult.AddMessage("Email address is null");
}
if (operationsResult.Success)
{
var isValidFormat = true;
// Code here that validates the format of the email
// using regular expressions.
if (!isValidFormat)
{
operationsResult.Success = false;
operationsResult.AddMessage("Email address is not in a correct format");
}
}
if (operationsResult.Success)
{
var isRealDomain = true;
if (!isRealDomain)
{
operationsResult.Success = false;
operationsResult.AddMessage("Email addres does not include a valid domain");
}
}
return(operationsResult);
}
public OperationsResult PlaceOrder(Customer customer,
Order order,
Payment payment,
bool allowSplitOrders,
bool emailReciepts)
{
// Only works during the debug phase
Debug.Assert(customerRepository != null, "Missing customer repository instance");
Debug.Assert(orderRepository != null, "Missing order repository instance");
Debug.Assert(inventoryRepository != null, "Missing inventory repository instance");
Debug.Assert(emailLibrary != null, "Missing email repository instance");
if (customer == null)
{
throw new ArgumentNullException("Customer instance is null");
}
if (order == null)
{
throw new ArgumentNullException("Order instance is null");
}
if (payment == null)
{
throw new ArgumentNullException("Payment instance is null");
}
var op = new OperationsResult();
customerRepository.Add(customer);
orderRepository.Add(order);
inventoryRepository.OrderItems(order, allowSplitOrders);
payment.ProcessPayment(payment);
if (emailReciepts)
{
var result = customer.ValidateEmail();
if (result.Success)
{
customerRepository.Update();
emailLibrary.SendEmail(customer.EmailAddress, "reciept");
}
else
{
//log the messages
if (result.MessageList.Any())
{
op.AddMessage(result.MessageList[0]);
}
}
}
return(op);
}