public UserTracksService(IUnitOfWorkFactory unitOfWorkFactory, IMusicServiceFactory musicServiceFactory)
        {
            _unitOfWorkFactory = unitOfWorkFactory;

            _musicServiceFactory = musicServiceFactory;
            
        }
 public PlaylistService(IUnitOfWorkFactory unitOfWorkFactory, IMusicServiceFactory musicServiceFactory, INotificationService notificationService)
 {
     _unitOfWorkFactory = unitOfWorkFactory;
     _notificationService = notificationService;
     _musicServiceFactory = musicServiceFactory;
 }