public async Task Handle(NozzleUsed @event)
        {
            logger.LogDebug($"Nozzle used event received. Id: {@event.Id}");

            var petrolStation = await repository.GetAsync(callContext.PetrolStationId.Value);

            petrolStation.Time = @event.TimeStamp;

            var tank = petrolStation.Tanks.SingleOrDefault(x => x.Nozzles.Any(z => z.Id == @event.Id));

            var nozzle = tank.Nozzles.Single(z => z.Id == @event.Id);

            nozzle.LastTransactionVolume = @event.PetrolAmountInTransaction;
            nozzle.TotalPetrolAmount     = @event.TotalDispatchedPetrolAmount;

            var report = factory.CreateReportForNozzleUsed(tank.Id, @event);

            if (petrolStation.Reports == null)
            {
                petrolStation.Reports = new List <PetrolStationReport>();
            }

            petrolStation.Reports.Add(report);

            tank.CurrentVolume -= @event.PetrolAmountInTransaction;

            await repository.UpdateAsync(petrolStation);

            await hub.Clients.All.SendAsync("StationUpdate", petrolStation.Id);

            logger.LogDebug($"Nozzle used event received handling ended.");
        }
        private async Task SimulatePetrolStationWorkCycle(Entities.PetrolStation petrolStation)
        {
            petrolStation.ChangeCurrentBusinessDate(minute_interval);
            petrolStation.SimulateActivity();
            var orders = petrolStation.GetOrders();

            petrolStation.ChangeCurrentBusinessDate(minute_interval);
            var supplies = SupplyFactory.CreateFor(orders, petrolStation.CurrentDateTime);

            petrolStation.RefuelTanks(supplies);

            await repository.UpdateAsync(petrolStation);

            await SendEvents(petrolStation);
        }