public Task<List<NotificationDto>> GetRecentActivity(long userId, int offset = 0)
        {
            return Task.Run(() =>
            {
                var notificationsDto = new List<NotificationDto>();
                using (var unitOfWork = _unitOfWorkFactory.NewUnitOfWork())
                {
                    var _notificationRepository = unitOfWork.GetRepository<Notification>();

                    var notifications = _notificationRepository.GetAll(n => n.User.Id == userId).OrderByDescending(s => s.Id).Skip(offset).Take(15).ToList();

                    foreach (var notification in notifications)
                    {

                        var notificationDto = new NotificationDto();
                        Mapper.Map(notification, notificationDto);

                        notificationDto.Message = GetMessage(notification);

                        notificationsDto.Add(notificationDto);
                    }
                }

                return notificationsDto;
            });
        }
        public void SendNotification(long id, NotificationDto notification, List<long> listReceivers )
        {
            var list = ConnectedUsers.Where(s => listReceivers.Contains(s.UserId)).Select(s => s.ConnectionId).ToList();
            if (list.Count > 0)
            {

                Clients.Clients(list).newNotification(notification); 
                //foreach (var socketId in list)
                //{
                //    Clients.Client(socketId).newNotification(notification);   
                //}
            }
        }
        public Notification CreateNotification(Notifications type, User user, User recentlyUser, Playlist recentlyPlaylist)
        {
            var notification = new Notification
            {
                NotificationType = type,
                User = user,
                RecentlyUser = recentlyUser,
                RecentlyPlaylist = recentlyPlaylist,
                NotificationDate = DateTime.Now
            };

            var notificationDto = new NotificationDto();
            Mapper.Map(notification, notificationDto); 
            notificationDto.Message = GetMessage(notification);

            List<long> list = user.Followers.Select(s => s.Id).ToList();

            _notificationHub.SendNotification(user.Id, notificationDto, list);

            return notification;
        }