public LectureNoteRatingService(
     IUnitOfWork unitOfWork,
     IMapper mapper,
     IUserService userService,
     ILectureNoteService lectureNoteService
     )
 {
     _unitOfWork         = unitOfWork;
     _userService        = userService;
     _mapper             = mapper;
     _lectureNoteService = lectureNoteService;
 }
 public LectureNoteController(ILectureNoteService lectureNoteService
                              , SignInManager <ApplicationUser> signInManager)
 {
     _lectureNoteService = lectureNoteService;
     _signInManager      = signInManager;
 }