public FeedController(ULearnDb db, CourseManager courseManager)
{
this.db = db;
this.courseManager = courseManager;
feedRepo = new FeedRepo(db);
if (commonFeedNotificationTransport == null)
{
commonFeedNotificationTransport = feedRepo.GetCommonFeedNotificationTransport();
}
}
public NotificationsController(ILogger logger, WebCourseManager courseManager, UlearnDb db, NotificationsRepo notificationsRepo, FeedRepo feedRepo, NotificationDataPreloader notificationDataPreloader)
: base(logger, courseManager, db)
{
this.notificationsRepo = notificationsRepo ?? throw new ArgumentNullException(nameof(notificationsRepo));
this.feedRepo = feedRepo ?? throw new ArgumentNullException(nameof(feedRepo));
this.notificationDataPreloader = notificationDataPreloader;
if (commentsFeedNotificationTransport == null)
{
commentsFeedNotificationTransport = feedRepo.GetCommentsFeedNotificationTransport();
}
}
public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
if (commentsFeedNotificationTransport == null)
{
commentsFeedNotificationTransport = await feedRepo.GetCommentsFeedNotificationTransport();
}
var userId = User.GetUserId();
await feedRepo.AddFeedNotificationTransportIfNeeded(userId);
await next();
}
private async Task <Tuple <int, DateTime?> > GetUnreadNotificationsCountAndLastTimestampAsync(string userId, FeedNotificationTransport transport, DateTime?from = null)
{
var realFrom = from ?? await feedRepo.GetFeedViewTimestampAsync(userId, transport.Id).ConfigureAwait(false) ?? DateTime.MinValue;
var unreadCount = await feedRepo.GetNotificationsCountAsync(userId, realFrom, transport).ConfigureAwait(false);
if (unreadCount > 0)
{
from = await feedRepo.GetLastDeliveryTimestampAsync(transport).ConfigureAwait(false);
}
return(Tuple.Create(unreadCount, from));
}
public DateTime?GetLastDeliveryTimestamp(FeedNotificationTransport notificationTransport)
{
return(notificationsRepo.GetLastDeliveryTimestamp(notificationTransport));
}
private Tuple <int, DateTime?> GetUnreadNotificationsCountAndLastTimestamp(string userId, FeedNotificationTransport transport, DateTime?from = null)
{
var realFrom = from ?? feedRepo.GetFeedViewTimestamp(userId, transport.Id) ?? DateTime.MinValue;
var unreadCount = feedRepo.GetNotificationsCount(userId, realFrom, transport);
if (unreadCount > 0)
{
from = feedRepo.GetLastDeliveryTimestamp(transport);
}
return(Tuple.Create(unreadCount, from));
}
public async Task <DateTime?> GetLastDeliveryTimestampAsync(FeedNotificationTransport notificationTransport)
{
return(await notificationsRepo.GetLastDeliveryTimestampAsync(notificationTransport));
}