public CommandPatternApp()
{
// Add each command to the command history and you can undo all the commands
// by just iterating over the history and hitting Undo
List <IDeviceButton> commandsHistory = new List <IDeviceButton>();
var phone = new MobilePhone();
var turnOnCommand = new TurnOnDevice(phone);
var turnOffCommand = new TurnOffDevice(phone);
var turnOffButton = new MobileButton(turnOffCommand);
var turnOnButton = new MobileButton(turnOnCommand);
IncreaseVolume increaseVolumeCommand = new IncreaseVolume(phone);
MobileButton increaseVolumeButton = new MobileButton(increaseVolumeCommand);
DecreaseVolume decreaseVolumeCommand = new DecreaseVolume(phone);
MobileButton decreaseVolumeButton = new MobileButton(decreaseVolumeCommand);
turnOffButton.Press();
turnOnButton.Press();
turnOffButton.Press();
//increaseVolumeButton.Press(); // Will throw exception
turnOnButton.Press();
increaseVolumeButton.Press();
increaseVolumeButton.Press();
decreaseVolumeButton.Press();
// Example of undoing using array
// Last two command
commandsHistory.Add(increaseVolumeButton);
commandsHistory.Add(decreaseVolumeButton);
commandsHistory.ForEach(command =>
{
command.UndoPress();
});
// Done
// Undo commands individualy
//increaseVolumeButton.UndoPress();
//decreaseVolumeButton.UndoPress();
}
public async Task Accept(TurnOffDevice msg)
{
await _hueClient.TurnDeviceOffAsync(msg.HueDevice);
}
