public bool CheckCanSetDegreeById(int id)
        {
            var examSemeter = this.GetIQueryable(c => c.Id == id)
                              .Include(c => c.Year)
                              .ThenInclude(c => c.ExamSemester)
                              .ThenInclude(c => c.StudentSubject)
                              .FirstOrDefault();

            if (examSemeter.SemesterNumber == 1)
            {
                return(true);
            }
            Years year = examSemeter.Year;

            return(year.IsThisSemesterFinshed(examSemeter.SemesterNumber - 1));
        }