public 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 void LoadSnacks(int position, SnackPile snackPile)
{
GetSlot(position).SnackPile = snackPile;
}