public override void Pay(CopyMachine machine, int money)
{
base.Pay(machine, money);
if (machine.Money >= machine.Cost)
{
machine.State = new PaidState();
}
}
public virtual int ReturnChange(CopyMachine machine)
{
int change = machine.Money;
machine.Money = 0;
machine.State = new UnpaidState();
return(change);
}
public override void SelectFile(CopyMachine machine)
{
if (machine.Money >= machine.Cost)
{
Console.WriteLine("Let's select another file . . .");
machine.State = new SelectFileState();
}
else
{
Console.WriteLine("Machine doesn't have enough money for copy!");
machine.State = new UnpaidState();
}
}
static void Main(string[] args)
{
var copyMachine = new CopyMachine();
copyMachine.SelectFile(); // Machine doesn't have anough money for copy!
copyMachine.Pay(22); // You paid 22. Now machine has 22.
copyMachine.PrintFile(); // You didn't select file!
copyMachine.SelectFile(); // Let's select some file . . .
copyMachine.SelectFile(); // You have already selected file!
copyMachine.PrintFile(); // It costs 10. Let's print it . . .
copyMachine.PrintFile(); // You have already printed this file!
copyMachine.SelectFile(); // Let's select another file . . .
copyMachine.PrintFile(); // It costs 10. Let's print it . . .
copyMachine.Pay(5); // You paid 5. Now machine has 7.
copyMachine.SelectFile(); // Machine doesn't have anough money for copy!
Console.WriteLine($"There's your change: {copyMachine.ReturnChange()}.");
}
public override void SelectFile(CopyMachine machine)
{
Console.WriteLine("Machine doesn't have enough money for copy!");
}
public virtual void Close(CopyMachine machine)
{
machine.State = new UnpaidState();
}
public abstract void PrintFile(CopyMachine machine);
public abstract void SelectFile(CopyMachine machine);
public virtual void Pay(CopyMachine machine, int money)
{
machine.Money += money;
Console.WriteLine($"You paid {money}. Now machine has {machine.Money}.");
}
public override void PrintFile(CopyMachine machine)
{
Console.WriteLine("You have already printed this file!");
}
public override void PrintFile(CopyMachine machine)
{
Console.WriteLine($"It costs {machine.Cost}. Let's print it . . .");
machine.Money -= machine.Cost;
machine.State = new PrintFileState();
}
public override void SelectFile(CopyMachine machine)
{
Console.WriteLine("You have already selected file!");
}
public override void PrintFile(CopyMachine machine)
{
Console.WriteLine("You didn't select file!");
}
public override void SelectFile(CopyMachine machine)
{
Console.WriteLine("Let's select some file . . .");
machine.State = new SelectFileState();
}
