public async Task <DTO.NotificationAnswer> findbyNotificationId(Guid id)
        {
            var notAnswer = await RepoDbSet.AsQueryable()
                            .Where(na => na.NotificationId == id).FirstOrDefaultAsync();

            return(NotificationAnswerMapper.Map(notAnswer));
        }
        public async Task <DTO.NotificationAnswer> AddNewAnswer(DTO.NotificationAnswer answer)
        {
            var domain = NotificationAnswerMapper.MapToDomain(answer);

            return(NotificationAnswerMapper.Map((await RepoDbSet.AddAsync(domain)).Entity));
        }