private void StartTask(object sender, FileSystemEventArgs e)
        {
            Task task = new Task(() =>
            {
                var orders = _parser.ManualParse(e.FullPath);
                foreach (var order in orders)
                {
                    Thread.Sleep(50);
                    IUnitOfWork uow       = new EFUnitOfWork();
                    IOrderService service = new OrderService(uow);
                    try
                    {
                        lock (_lockObj)
                        {
                            if (!_cancelToken.IsCancellationRequested)
                            {
                                service.AddOrder(order);
                                _logger.Info($"{order.Product} added from file {e.Name}\t Task - {Task.CurrentId}");
                            }
                            else
                            {
                                _logger.Info("Task stopped");
                                break;
                            }
                        }
                    }
                    catch (Exception)
                    {
                        _logger.Info("Can't add record to database");
                        throw new InvalidOperationException("Can't add record to database");
                    }
                    finally
                    {
                        service.Dispose();
                        uow.Dispose();
                    }
                }
                if (!_cancelToken.IsCancellationRequested)
                {
                    _directoryHandler.Move(e.FullPath, e.Name);
                }
            },
                                 _cancelToken.Token);

            task.Start(_taskScheduler);
        }