public IActionResult ApproveInfo(int id)
        {
            ServiceResult result = SubjectService.ApproveSubjectInfo(id);

            if (result.Result == Result.NotFound)
            {
                return(NotFound());
            }

            if (result.Result != Result.OK)
            {
                return(BadRequest());
            }

            bool subjectApproved = SubjectService.IsSubjectApproved(result.Id);

            return(Ok(new
            {
                infoApproved = true,
                subjectApproved
            }));
        }