protected override async Task ExecuteAsync(CancellationToken stoppingToken) { while (!stoppingToken.IsCancellationRequested) { ChannelCreationTask channelCreationTask = await _channelCreationTaskUnloader.Dequeue(); ChannelCreation channelCreation = channelCreationTask.ChannelCreation; DateTime createdAt = channelCreationTask.CreatedAt; string ownerId = channelCreationTask.OwnerId; IEnumerable <Track> tracks = (await _youTubeService.ExtractYouTubeVideos(channelCreation.StartingMedia)) .Select(video => video.ToTrack()); using (IServiceScope serviceScope = _serviceProvider.CreateScope()) { IChannelRepository channelRepository = serviceScope.ServiceProvider.GetService <IChannelRepository>(); Channel createdChannel = await channelRepository.CreateChannel(channelCreation.Name, channelCreation.Description, createdAt, ownerId, tracks); _channelTrackingStarter.StartTrackingChannel(createdChannel.Id); IChannelCreatedNotifierHubProxy channelCreatedNotifier = serviceScope.ServiceProvider.GetService <IChannelCreatedNotifierHubProxy>(); await channelCreatedNotifier.NotifyChannelCreated(ownerId, createdChannel); UserManager <AppUser> userManager = serviceScope.ServiceProvider.GetService <UserManager <AppUser> >(); AppUser owner = await userManager.FindByIdAsync(ownerId); owner.IsCreatingChannel = false; await userManager.UpdateAsync(owner); } } }