Пример #1
0
        public void Purchase(PurchasedDevice device, int monthLimit)
        {
            if (NotUsed(device))
            {
                return;
            }

            UsedDevice currentlyUsedDevice = GetUsedDeviceBy(device);

            if (currentlyUsedDevice.UsedTooShort(monthLimit))
            {
                return;
            }

            StopUsing(currentlyUsedDevice);
            Purchase(device);
        }
Пример #2
0
 private bool NotUsed(PurchasedDevice purchasedDevice)
 => !_currentlyUsed.Any(usedDevice => purchasedDevice.IsSameDeviceAs(usedDevice));
Пример #3
0
 private bool Purchased(PurchasedDevice device)
 => _purchased.Any(x => x.Equals(device));
Пример #4
0
 public bool DidPurchase(PurchasedDevice device)
 => NotUsed(device) && Purchased(device);
Пример #5
0
 private void Purchase(PurchasedDevice device)
 {
     _purchased.Add(device);
 }
Пример #6
0
 private UsedDevice GetUsedDeviceBy(PurchasedDevice device)
 {
     return(_currentlyUsed.First(usedDevice => device.IsSameDeviceAs(usedDevice)));
 }