public Control(IDoor door, IRFIDReader rfidReader,
ICharger charger, ILogger logger, IDisplay display)
{
_door = door;
_charger = charger;
_logger = logger;
_display = display;
_lockState = ChargerLockState.Available;
_door.Opened += new EventHandler(DoorOpened);
_door.Closed += new EventHandler(DoorClosed);
rfidReader.DetectRfid += new EventHandler <RfidChangedEventArgs>(RfidDetected);
}
// Event handler for the event "RFID Detected" from the state machine diagram for the class
private void RfidDetected(object sender, RfidChangedEventArgs e)
{
switch (_lockState)
{
case ChargerLockState.Available:
_display.ShowConnectPhone();
// Check for charger connection
if (_charger.IsConnected())
{
_door.LockDoor();
_charger.StartCharge();
_oldId = e.Rfid;
_logger.LogDoorLocked(e.Rfid);
_display.ShowOccupied();
_lockState = ChargerLockState.Locked;
}
else
{
_display.ShowConnectionErr();
}
break;
case ChargerLockState.DoorOpen:
_display.ShowInputRfid();
_lockState = ChargerLockState.Available;
break;
case ChargerLockState.Locked:
// Check for correct ID
if (CheckId(e.Rfid))
{
_charger.StopCharge();
_door.UnlockDoor();
_logger.LogDoorUnlocked(e.Rfid);
_display.ShowRmvPhone();
_lockState = ChargerLockState.Available;
}
else
{
_display.ShowRfidErr();
}
break;
}
}
private void DoorClosed(object sender, EventArgs e)
{
switch (_lockState)
{
case ChargerLockState.Available:
// Error message : Locker cannot be closed whilst available
break;
case ChargerLockState.Locked:
// Error message : Locker is already locked locked
break;
case ChargerLockState.DoorOpen:
_display.ShowInputRfid();
_lockState = ChargerLockState.Available;
break;
}
}
private void DoorOpened(object sender, EventArgs e)
{
switch (_lockState)
{
case ChargerLockState.Available:
_display.ShowConnectPhone();
_lockState = ChargerLockState.DoorOpen;
break;
case ChargerLockState.Locked:
// Error message : Locker is locked
break;
case ChargerLockState.DoorOpen:
// Error message : Locker is already open
break;
}
}
