public static void ReturnChange(Sale sale, Payment payment)
{
_stateMachine.FireTrigger(sale, SaleEvent.ChangeGiven, payment);
}
public static void AddItem(Sale sale, SaleItem saleItem)
{
_stateMachine.FireTrigger(sale, SaleEvent.AddItem, saleItem);
}
public static void AddPayment(Sale sale, Payment payment)
{
_stateMachine.FireTrigger(sale, SaleEvent.Pay, payment);
}
private static string getSaleStatus(Sale sale)
{
return($"\r\n--> SaleState: {sale.State} \tBalance: {sale.Balance:$#,##0.00}.");
}