public List <DTOCourse> GetAll()
        {
            List <DTOCourse> Courses = new List <DTOCourse>();

            foreach (Course item in UnitOfWork.CourseRepository.GetAll())
            {
                Courses.Add(CourseMapper.GetDTOCourse(item));
            }

            return(Courses);
        }
 public DTOCourse GetById(int Id)
 {
     return(CourseMapper.GetDTOCourse(UnitOfWork.CourseRepository.GetByID(Id)));
 }