public BankTransactionState DeleteBankAccount(string password, bool force)
{
if (!SessionAccount.IsPasswordValid(password))
{
return(BankTransactionState.InvalidPassword);
}
if (SessionAccount == null)
{
return(BankTransactionState.NotLoggedIn);
}
if (SessionAccount.Credit.Amount > 0 && !force)
{
return(BankTransactionState.MoneyRemaining);
}
if (SessionAccount.Credit.Amount < 0)
{
return(BankTransactionState.DebtsNotCleared);
}
BankStorage.DeleteAccount(SessionAccount.Iban);
SessionAccount = null;
return(BankTransactionState.Success);
}
public bool Login(IBAN iban, string password)
{
var account = BankStorage.GetAccount(iban);
if (account.IsPasswordValid(password))
{
SessionAccount = account;
return(true);
}
return(false);
}
/// <summary>
/// Prompts for an valid existing IBAN number.
/// </summary>
/// <returns>IBAN. If it has no value, operation should be quit</returns>
private static IBAN?PromptForIban()
{
bool ibanCanLogin = false;
IBAN?iban = null;
while (!ibanCanLogin)
{
Console.WriteLine("IBAN:[q to exit] ");
var ibanInput = Console.ReadLine();
ibanInput = Regex.Replace(ibanInput, @"\s+", ""); // Remove Whitespaces
if (ibanInput == "q")
{
return(null);
}
if (ibanInput.Length != 22)
{
Console.WriteLine("IBAN must be 22 characters long!\n");
continue;
}
try
{
iban = new IBAN(ibanInput);
}
catch (ArgumentException)
{
Console.WriteLine("IBAN is invalid!\n");
}
if (!iban.HasValue)
{
continue;
}
if (BankStorage.DoesAccountExist(iban.Value))
{
ibanCanLogin = true;
}
else
{
Console.WriteLine("Account does not exist or is not registered!\n");
}
}
return(iban);
}
public void Transfer(Transaction transaction)
{
if (transaction.ReceiverIban.Equals(Iban))
{
Credit += transaction.Amount;
BankStorage.AddTransaction(transaction);
}
else if (transaction.SenderIban.Equals(Iban))
{
Credit -= transaction.Amount;
BankStorage.AddTransaction(transaction);
}
else
{
throw new InvalidOperationException("The transaction is not be associated with this account!");
}
}
/// <summary>
/// Displays the money transfer dialog.
/// </summary>
private static void TransferMoneyDialog()
{
Console.Clear();
WriteHeader();
Console.WriteLine("Transfer money to another account\n");
double amountValue;
do
{
Console.WriteLine("Enter the amount in euros you want to transfer: ");
} while (!double.TryParse(Console.ReadLine(), out amountValue) || amountValue <= 0);
var amount = new Money(amountValue, CurrencyCode.EUR);
Console.WriteLine("\nEnter the IBAN of the account you want to transfer the money to:");
var iban = PromptForIban();
if (!iban.HasValue)
{
return;
}
Console.WriteLine("\nEnter a payment reference: ");
var reference = Console.ReadLine();
Console.Clear();
Console.WriteLine($"Receiver: {BankStorage.GetAccount(iban.Value).AccountHolder} <{iban.Value}>");
Console.WriteLine($"Amount: {amount}");
Console.WriteLine($"Reference: {reference}");
Console.WriteLine("\nDo you really want to start the transaction? [y/n]");
var confirmation = Console.ReadLine();
if (confirmation != "y")
{
return;
}
Console.WriteLine(currentClerk.TransferMoney(amount, iban.Value, reference) == BankTransactionState.Success
? "Success! Press any key to continue..."
: "Something went wrong! Please try again later. Press any key to continue...");
Console.ReadKey();
}
public BankTransactionState PutMoney(Money amount)
{
if (SessionAccount == null)
{
return(BankTransactionState.NotLoggedIn);
}
var transaction = new CashTransaction(amount, SessionAccount.Iban, "bar deposit");
var receiver = BankStorage.GetAccount(SessionAccount.Iban);
receiver.Transfer(transaction);
BankStorage.AddAccount(receiver);
SaveSession();
return(BankTransactionState.Success);
}
public BankTransactionState TransferMoney(Money amount, IBAN to, string referenceText)
{
if (SessionAccount == null)
{
return(BankTransactionState.NotLoggedIn);
}
var transaction = new Transaction(amount, SessionAccount.Iban, to, referenceText);
var receiver = BankStorage.GetAccount(to);
SessionAccount.Transfer(transaction);
receiver.Transfer(transaction);
BankStorage.AddTransaction(transaction);
BankStorage.AddAccount(receiver);
SaveSession();
return(BankTransactionState.Success);
}
public IBAN CreateBankAccount(Person accountHolder, string accountName, string password, Money?startingCredit)
{
var bankAccount = new BankAccount(accountHolder, accountName, password);
if (DateTime.Now - accountHolder.BirthDate < new TimeSpan(days: 16 * 365, hours: 0, minutes: 0, seconds: 0))
{
// Student Bonus of 50€ if AccountHolder younger than 16
var transaction = new CashTransaction(new Money(50, CurrencyCode.EUR), bankAccount.Iban, "Youth Bonus");
bankAccount.Transfer(transaction);
}
if (startingCredit.HasValue)
{
var transaction = new CashTransaction(startingCredit.Value, bankAccount.Iban, "Starting credit");
bankAccount.Transfer(transaction);
}
SessionAccount = bankAccount;
BankStorage.AddAccount(bankAccount);
return(bankAccount.Iban);
}
private void SaveSession() => BankStorage.AddAccount(SessionAccount);
