public string transfer(TransferRequest request)
{
string cardNumberPreFix = request.cardNumber.Substring(0, 3);
if (!OnmemoryDataBase.validateCardBins(cardNumberPreFix))
{
throw new Exception("Tarjeta invalida");
}
string cardCompany = OnmemoryDataBase.getCardCompany(cardNumberPreFix);
if ("AMEX".Equals(cardCompany) && request.cardNumber.Length != 15)
{
throw new Exception("El numero de tarjeta es invalido");
}
else if (("VISA".Equals(cardCompany) || "MASTERCARD".Equals(cardCompany)) && request.cardNumber.Length != 16)
{
throw new Exception("El numero de la tarjeta es invalido");
}
string number = request.cardNumber;
string cardNumberSubfix = number.Substring(number.Length - 4, 4);
Console.WriteLine($"Se ha realizado un cargo al cliente {request.cardName} {Environment.NewLine}" +
$"\t por el monto de {request.amount} a la tarjeta con terminacion {cardNumberSubfix}");
return(System.Guid.NewGuid().ToString());
}
public double pay(BillingPayRequest billingPay)
{
Customer customer = OnmemoryDataBase.findCustomerById(billingPay.customerId);
customer.balance = customer.balance - billingPay.amount;
Console.WriteLine($"Pago aplicado al cliente: {customer.name} ," +
$"El nuevo saldo es {customer.balance}");
return(customer.balance);//new Balance
}
public PaymentResponse pay(PaymentRequest request)
{
Customer customer = crmSystem.findCustomer(request.CustomerId);
if (customer == null)
{
throw new Exception("Cliente no existe");
}
else if (customer.status.Equals("Baja"))
{
throw new Exception("Cliente dado de baja");
}
//realizar el cobro a la tarjeta de credito
TransferRequest transfer = new TransferRequest(request.Amount, request.CardNumber, request.CardNAme,
request.CardExpdate, request.CardSecureNumber);
string reference = bankSystem.transfer(transfer);
//llamado al sistema de fatuiracion
BillingPayRequest billingRequest = new BillingPayRequest(request.CustomerId, request.Amount);
double newBalance = billingSystem.pay(billingRequest);
//determinar nuevo status
string newStatus = customer.status;
if (newBalance <= 50)
{
OnmemoryDataBase.changeCustomerStatus(request.CustomerId, newStatus);
newStatus = "Activo";
}
//mandamos el email
Dictionary <string, string> parans = new Dictionary <string, string>();
parans.Add("$name", customer.name);
parans.Add("$ammount", customer.ammount.ToString());
parans.Add("$newBalance", request.Amount.ToString());
string number = request.CardNumber;
string subfix = number.Substring(number.Length - 4, 4);
parans.Add("$cardNumber", subfix);
parans.Add("$reference", reference);
parans.Add("$newStatus", newStatus);
emailSystem.sendEmail(parans);
PaymentResponse response = new PaymentResponse(reference, newBalance, newStatus);
return(response);
}
public Customer findCustomer(long customerId)
{
return(OnmemoryDataBase.findCustomerById(customerId));
}
public double queryCustomerBalance(long customerId)
{
Customer customer = OnmemoryDataBase.findCustomerById(customerId);
return(customer.balance);
}