public IActionResult AddMarkTeacher(MarkTeacherViewModel markTeacher)
        {
            if (!ModelState.IsValid)
            {
                return(NoContent());
            }
            markTeacher.UserId = Convert.ToInt32(_signInManager.UserManager.GetUserId(User));
            _markService.AddMarkTeacher(_mapper.Map <MarkTeacherViewModel, MarkTeacherDto>(markTeacher));

            return(Content(JsonConvert.SerializeObject($"Success add mark {markTeacher.Mark}"), "application/json"));
        }