public virtual string CanBuySnack(int position)
{
SnackPile snackPile = GetSnackPile(position);
if (snackPile.Quantity == 0)
{
return("The snack pile is empty");
}
if (MoneyInTransaction < snackPile.Price)
{
return("Not enough money");
}
if (!MoneyInSide.CanAllocate(MoneyInTransaction - snackPile.Price))
{
return("Not enough change");
}
return(string.Empty);
}
public virtual void LoadSnacks(int position, SnackPile snackPile)
{
Slot slot = GetSlot(position);
slot.SnackPile = snackPile;
}