public MainViewModel(DatabaseService databaseService)
        {
            _databaseService             = databaseService;
            _databaseService.CarUpdated += OnDatabaseServiceCarUpdated;

            Cars = new ObservableCollection <CarViewModel>();

            CurrentCar = new CarViewModel(new Car()
            {
                Color = "Цвет", Model = "Модель"
            });
        }
        private void OnDatabaseServiceCarUpdated(DatabaseService sender, DatabaseServiceUpdateEventArgs <Car> args)
        {
            _logger.Trace($"{nameof(OnDatabaseServiceCarUpdated)}. {nameof(args.UpdateInfo)} = {args.UpdateInfo.ToString()}");

            switch (args.UpdateInfo)
            {
            case DatabaseServiceUpdate.Added:
                foreach (var car in args.Data)
                {
                    var viewModel = new CarViewModel(car);
                    Cars.Add(viewModel);

                    _logger.Debug($"{nameof(Add)}. Car added: {viewModel.Model}, {viewModel.Model}.");
                }
                break;

            case DatabaseServiceUpdate.Deleted:
                // Cars.Remove(...)
                break;

            default:
                throw new ArgumentOutOfRangeException(nameof(args) + "." + nameof(args.UpdateInfo));
            }
        }