public BankAccount(Person accountHolder, string accountName, string password)
{
AccountHolder = accountHolder;
AccountName = accountName;
Iban = IBANStorage.GenerateGermanIban();
_password = password;
}
public Transaction(Money amount, IBAN senderIban, IBAN receiverIban, string referenceText)
{
Amount = amount;
SenderIban = senderIban;
ReceiverIban = receiverIban;
ReferenceText = referenceText.PadRight(15, ' ').Substring(0, 15); // Max 15 chars
DateTime = DateTime.Now;
ID = Guid.NewGuid();
}
/// <summary>
/// Generates a German IBAN Number
/// </summary>
/// <param name="bankCode">8-digit Bank Code</param>
/// <param name="accountNumber">10 digit Bank Account Number</param>
/// <returns>German IBAN Number</returns>
public static IBAN GenerateGermanIban(int bankCode, long accountNumber)
{
// Currently only working for German IBANS as there are different formats in every country
var countryCode = CountryCode.DE;
var checkSum = GetIbanCheckSum(bankCode, accountNumber, countryCode);
var iban = new IBAN(countryCode, checkSum, bankCode, accountNumber);
AddToStorage(iban);
return(iban);
}
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 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 BankAccount(Person accountHolder, string accountName, string password, IBAN iban) : this(accountHolder, accountName, password)
{
Iban = iban;
}
public static void AddToStorage(IBAN iban) => UsedIbans.Add(iban);
public static bool DoesIbanAlreadyExist(IBAN toCheck) => UsedIbans.Contains(toCheck);
public static bool DoesAccountExist(IBAN withIban) => accountStorage.ContainsKey(withIban);
public static void DeleteAccount(IBAN withIban) => accountStorage.Remove(withIban);
public static BankAccount GetAccount(IBAN withIban) => accountStorage[withIban];
public CashTransaction(Money amount, IBAN receiverIban, string referenceText) : base(amount, Configuration.BankIban, receiverIban, referenceText)
{
}