public ActionResult Index()
{
if (HttpContext.Request.HttpMethod == "POST")
{
try
{
string cardNumber = HttpContext.Request.Form["card-number"];
ViewBag.CardNumber = cardNumber;
switch (HttpContext.Request.Form["action"])
{
case "checkExistence":
bool exists = paymentGateway.AccountExists(cardNumber);
if (exists)
{
ViewBag.SuccessMessage = "Account exists!";
}
else
{
ViewBag.ErrorMessage = "Account does not exist.";
}
break;
case "charge":
double chargeAmount = Double.Parse(HttpContext.Request.Form["charge-amount"]);
try {
paymentGateway.Charge(cardNumber, chargeAmount);
ViewBag.SuccessMessage = "Account was successfully charged.";
} catch (PaymentGatewayException e)
{
ViewBag.ErrorMessage = e.Message;
}
break;
case "return":
double returnAmount = Double.Parse(HttpContext.Request.Form["return-amount"]);
paymentGateway.Deposit(cardNumber, returnAmount);
ViewBag.SuccessMessage = "Deposit successful.";
break;
case "ping":
bool result = paymentGateway.Ping();
if (result)
{
ViewBag.SuccessMessage = "Ping received OK!.";
}
else
{
ViewBag.ErrorMessage = "Ping did not receive OK :(.";
}
break;
case "balance":
decimal balance = paymentGateway.GetBalance(cardNumber);
ViewBag.SuccessMessage = "Balance: $" + balance;
break;
case "activate":
paymentGateway.ActivateAccount(cardNumber);
ViewBag.SuccessMessage = "Account activated!";
break;
case "create":
string newCardNumber = paymentGateway.CreateAccount();
ViewBag.SuccessMessage = "Account created! Card number: " + newCardNumber;
break;
default:
ViewBag.ErrorMessage = "Invalid action.";
break;
}
} catch (FormatException e)
{
ViewBag.ErrorMessage = "One or more inputs has an invalid format.";
} catch (Exception e)
{
ViewBag.ErrorMessage = e.GetType() + ":" + e.Message;
}
}
return(View());
}
