public void OrderValidation(Order order)
{
if (order == null)
{
throw new ArgumentNullException("Order doesn't exist!"); //проверка введенного количества товара
}
order.CheckCount();
if (Balance < order.GetTotalPrice())
{
throw new InvalidOperationException("Not enough money"); // если недостаточно средств
}
Balance -= order.GetTotalPrice();
}
public void Update()
{
Console.Clear();
Console.WriteLine($"Balance - {Machine.Balance}");
Console.WriteLine();
Console.WriteLine("Write command...");
string command = Console.ReadLine();
switch (command)
{
case "help":
Console.WriteLine("list\n " +
"order \n");
break;
case "list":
foreach (Good good in Machine.GetProductList())
{
Console.WriteLine($">{good.Name} [{good.Count}]");
}
break;
case "order":
Machine.Balance = SetMachineBalance();
Console.WriteLine("Enter product name");
string productName = NameVerification(Console.ReadLine());
Console.WriteLine("Enter amount");
int count = CountVerification(Console.ReadLine());
Order order = new Order(Machine.Goods.GetProduct(productName), count);
Machine.OrderValidation(order);
Console.WriteLine($"Total price - {order.GetTotalPrice()}");
Console.WriteLine($"Change is {Machine.ClearBalance(Machine.Balance)}");
break;
default:
Console.WriteLine("Enter valid command");
break;
}
Console.WriteLine("Press any button");
Console.ReadKey();
}