public ActionResult <string> LoginStudent([FromBody] StudentLoginData studentData) { var studentEntity = _repository.GetStudentByLastname(studentData.Lastname, studentData.Group); if (studentEntity == null) { return(Unauthorized()); } // var studentDto = _mapper.Map<Entities.Student, Models.StudentDto>(studentEntity); return(Ok(new { student_id = studentEntity.Id })); }