public async Task<IHttpActionResult> GetStudents()
        {
            try
            {
                using (StudentLogic sl = new StudentLogic())
                {
                    List<Student> students = sl.GetStudents();

                    return Ok(students);
                }
            }
            catch (Exception ex)
            {
                Helper.ErrorLogging.LogError(ex);
                return InternalServerError(ex);
            }
        }
        public async Task<IHttpActionResult> GetStudentById(Guid id)
        {
            try
            {
                using (StudentLogic sl = new StudentLogic())
                {
                    Student student = sl.GetStudentById(id);

                    return Ok(student);
                }
            }
            catch (Exception ex)
            {
                Helper.ErrorLogging.LogError(ex);
                return InternalServerError(ex);
            }
        }
        public async Task<IHttpActionResult> PostStudent(Student student)
        {
            try
            {
                if (!ModelState.IsValid)
                {
                    return BadRequest(ModelState);
                }

                using (StudentLogic sl = new StudentLogic())
                {
                    await sl.SaveNewStudent(student);

                    return Ok();
                }
            }
            catch (Exception ex)
            {
                Helper.ErrorLogging.LogError(ex);
                return InternalServerError(ex);
            }
        }
        public async Task<IHttpActionResult> DeleteStudent(Guid id)
        {
            try
            {
                using (StudentLogic sl = new StudentLogic())
                {
                    await sl.DeleteStudent(id);

                    return Ok();
                }
            }
            catch (Exception ex)
            {
                Helper.ErrorLogging.LogError(ex);
                return InternalServerError(ex);
            }
        }