public bool Change(CashMachine cashMachine)
{
int counter = 1;
string pin;
do
{
Console.WriteLine($"Enter pin ({counter} / {attempts}):");
pin = Console.ReadLine();
++counter;
} while (counter <= attempts && pin.CompareTo(cashMachine.CreditCard.Pin) != 0);
// wymien wszystkie sposoby porownywania napisow
if (pin.CompareTo(cashMachine.CreditCard.Pin) != 0)
{
// musi np wyjac i wlozyc karte ponownie
Console.WriteLine("Invalid pin value. Try again later");
cashMachine.State = new AppEnd();
}
else
{
cashMachine.State = new UserOptions();
}
return(true);
}
static void Main(string[] args)
{
var creditCard = new CreditCard("1234");
var cashMachine = new CashMachine(creditCard);
cashMachine.Operations();
}
public bool Change(CashMachine cashMachine)
{
Console.WriteLine("Enter the amount of money:");
if (!decimal.TryParse(Console.ReadLine(), out decimal amount))
{
Console.WriteLine("Invalid value.");
cashMachine.State = new UserOptions();
}
cashMachine.CreditCard.Balance += amount;
cashMachine.State = new UserOptions();
return(true);
}
public bool Change(CashMachine cashMachine)
{
// zauwaz ze fragment kodu ponizej jest identyczny z tym, ktory
// spotkasz w metodzie Change w klase Deposit - zaproponuj rozwiazanie
// ktore pozwoli wyeliminowac nadmierne powielanie kodu
Console.WriteLine("Enter the amount of money:");
if (!decimal.TryParse(Console.ReadLine(), out decimal amount))
{
Console.WriteLine("Invalid value.");
cashMachine.State = new UserOptions();
}
cashMachine.CreditCard.Balance -= amount;
cashMachine.State = new UserOptions();
return(true);
}
public bool Change(CashMachine cashMachine)
{
Console.WriteLine("1. Account balance");
Console.WriteLine("2. Deposit");
Console.WriteLine("3. Withdrawal");
Console.WriteLine("4. Exit");
Console.WriteLine("Choose option:");
if (!int.TryParse(Console.ReadLine(), out int option))
{
Console.WriteLine("Invalid option number.");
cashMachine.State = new UserOptions();
}
switch (option)
{
case 1:
cashMachine.State = new AccountBalance();
break;
case 2:
cashMachine.State = new Deposit();
break;
case 3:
cashMachine.State = new Withdrawal();
break;
case 4:
cashMachine.State = new AppEnd();
break;
default:
Console.WriteLine("Invalid option number");
cashMachine.State = new UserOptions();
break;
}
return(true);
}
public bool Change(CashMachine cashMachine)
{
Console.WriteLine("Have a nice day!");
return(false);
}
public bool Change(CashMachine cashMachine)
{
Console.WriteLine($"Account balance: {cashMachine.CreditCard.Balance}");
cashMachine.State = new UserOptions();
return(true);
}
