public MainViewModel(ICoffeMachineDataSender coffeeMachineDatSender)
{
_coffeeMachineDataSender = coffeeMachineDatSender;
SerialNumber = Guid.NewGuid().ToString().Substring(0, 8);
makeCappuccinoCommand = new DelegateCommand(MakeCappuccino);
makeEspressoCommand = new DelegateCommand(MakeEspresso);
Logs = new ObservableCollection <string>();
_dispatcherTimer = new DispatcherTimer
{
Interval = TimeSpan.FromSeconds(2)
};
_dispatcherTimer.Tick += DispatchTimer_Tick;
}
