public string Transfer(TransferRequest request)
{
string cardNumerPrefix = request.CardNumber.Substring(0, 3);
if (!OnMemoryDataBase.validateCardBins(cardNumerPrefix))
{
throw new GeneralPaymentError("Invalid card.");
}
string cardCompany = OnMemoryDataBase.getCardCompany(cardNumerPrefix);
if ("AMEX".Equals(cardCompany) && request.CardNumber.Length != 15)
{
throw new GeneralPaymentError("Invalid card number");
}
else if (("VISA".Equals(cardCompany) || "MASTERCARD".Equals(cardCompany)) && request.CardNumber.Length != 16)
{
throw new GeneralPaymentError("Invalid card number");
}
string number = request.CardNumber;
Console.WriteLine("number.Length => " + number.Length);
string cardNumerSubfix = number.Substring(number.Length - 4, 4);
Console.WriteLine("A charge has been made to the client '"
+ request.CardName + "' \n"
+ "\tFor the amount of '" + request.Ammount + "' to the card "
+ "termination '" + cardNumerSubfix + "'.\n");
return(System.Guid.NewGuid().ToString());
}
protected override void ProcessFile()
{
try {
StreamReader stream = new StreamReader(File.OpenRead());
string line;
while ((line = stream.ReadLine()) != null)
{
string[] fields = line.Split(",");
string id = fields[0];
string customer = fields[1];
double amount = double.Parse(fields[2]);
string date = fields[3];
bool exist = OnMemoryDataBase.CustomerExist(int.Parse(customer));
if (!exist)
{
Log += id + " E" + customer + "\t\t" + date + " Customer not exist\n";
}
else if (amount > 200)
{
Log += id + " E" + customer + "\t\t" + date + " The amount exceeds the maximum\n";
}
else
{
Log += id + " E" + customer + "\t\t" + date + " Successfully applied\n";
}
}
stream.Close();
}catch (Exception e) {
throw new SystemException(e.ToString());
}
}
protected override void ProcessFile()
{
try {
StreamReader stream = new StreamReader(File.OpenRead());
string line;
while ((line = stream.ReadLine()) != null)
{
string id = line.Substring(0, 3);
string customer = line.Substring(3, 2);
double amount = double.Parse(line.Substring(5, 3));
string date = line.Substring(8, 8);
bool exist = OnMemoryDataBase.CustomerExist(int.Parse(customer));
if (!exist)
{
Log += id + " E" + customer + "\t\t" + date + " Customer not exist\n";
}
else if (amount > 200)
{
Log += id + " E" + customer + "\t\t" + date + " The amount exceeds the maximum\n";
}
else
{
//TODO Aplicar el pago en algún lugar.
Log += id + " E" + customer + "\t\t" + date + " Successfully applied\n";
}
}
stream.Close();
}catch (Exception e) {
throw new SystemException(e.ToString());
}
}
public double Pay(BillingPayRequest billingPay)
{
Customer customer = OnMemoryDataBase.findCustomerById(billingPay.CustomerId);
customer.Balance = customer.Balance - billingPay.Amount;
Console.WriteLine("Payment applied to the client '" + customer.Name + "', " + "the new balance is '" + customer.Balance + "'");
return(customer.Balance);//new Balance.
}
protected void ValidateProcess()
{
string fileStatus = OnMemoryDataBase.GetFileStatus(File.Name);
if (fileStatus != null && fileStatus.Equals("Processed"))
{
throw new Exception("The file '" + File.Name + "' has already been processed");
}
}
public PaymentResponse Pay(PaymentRequest request)
{
Customer customer = CrmSystem.FindCustomer(request.CustomerId);
//Validate Set
if (customer == null)
{
throw new GeneralPaymentError("Customer ID does not exist '" + request.CustomerId + "' not exist.");
}
else if ("Inactive".Equals(customer.Status))
{
throw new GeneralPaymentError("Customer ID does not exist '" + request.CustomerId + "' is inactive.");
}
else if (request.Ammount > BillingSyste.QueryCustomerBalance(customer.Id))
{
throw new GeneralPaymentError("You are trying to make a payment " + "\n\tgreater than the customer's balance");
}
//charge to the card
TransferRequest transfer = new TransferRequest(
request.Ammount, request.CardNumber,
request.CardName, request.CardExpDate,
request.CardNumber);
string payReference = BankSyste.Transfer(transfer);
//Impact of the balance in the billing system
BillingPayRequest billingRequest = new BillingPayRequest(
request.CustomerId, request.Ammount);
double newBalance = BillingSyste.Pay(billingRequest);
//The client is reactivated if the new balance is less than $ 51
string newStatus = customer.Status;
if (newBalance <= 50)
{
OnMemoryDataBase.changeCustomerStatus(request.CustomerId, "Active");
newStatus = "Active";
}
//Envio de la confirmación de pago por Email.
Dictionary <string, string> parameters = new Dictionary <string, string>();
parameters.Add("$name", customer.Name);
parameters.Add("$ammount", request.Ammount + "");
parameters.Add("$newBalance", newBalance + "");
string number = request.CardNumber;
string subfix = number.Substring(number.Length - 4, 4);
parameters.Add("$cardNumber", subfix);
parameters.Add("$reference", payReference);
parameters.Add("$newStatus", newStatus);
EmailSenderSystem.SendEmail(parameters);
return(new PaymentResponse(payReference, newBalance, newStatus));
}
public Principal Authenticate(string userName, string passwrd)
{
User user = OnMemoryDataBase.FindUserByName(userName);
if (user != null && user.Password.Equals(passwrd))
{
return(new Principal(user.UserName, user.Rol));
}
return(null);
}
public Principal authenticate(string user, string pwd)
{
var userDB = OnMemoryDataBase.findUserById(user);
if (userDB == null)
{
return(null);
}
else if (!userDB.pwd.Equals(pwd))
{
return(null);
}
else
{
return new Principal()
{
user = user, rol = userDB.rol
}
};
}
}
public double QueryCustomerBalance(Int64 customerId)
{
Customer customer = OnMemoryDataBase.findCustomerById(customerId);
return(customer.Balance);
}
public Customer FindCustomer(Int64 customerId)
{
return(OnMemoryDataBase.findCustomerById(customerId));
}
protected void MarkAsProcessFile()
{
OnMemoryDataBase.SetProcessFile(File.Name);
}
