public ActionResult <StudentDto> Create([FromBody] StudentForCreatingDto studentForCreatingDto)
        {
            var studentEntity = _mapper.Map <Entities.Student>(studentForCreatingDto);

            _repository.AddStudent(studentEntity);
            _repository.Save();

            var studentToReturn = _mapper.Map <StudentDto>(studentEntity);

            return(CreatedAtRoute("GetStudent", new
            {
                studentId = studentToReturn.Id
            }, studentToReturn));
        }