Esempio n. 1
0
        public IHttpActionResult AddMarkToStudent(string studentId, int subjectId, string teacherId, int markValue)
        {
            Teacher teacher = teachersService.GetById(teacherId);
            Student student = studentsService.GetById(studentId);

            if (teacher == null || student == null || subjectsService.GetById(subjectId) == null)
            {
                return(NotFound());
            }

            try
            {
                if (!teacher.TeacherTeachesSubject.Select(x => x.Subject.SubjectId).Contains(subjectId))
                {
                    throw new NullReferenceException("Teacher doesn't teach this subject!");
                }
                else if (!student.StudentAttendsSubject.Select(x => x.TacherTeachesSubject?.Teacher).Contains(teacher))
                {
                    throw new NullReferenceException("Teacher doesn't teach this subject to provided student!");
                }
                else
                {
                    logger.Info("Adding mark to student");

                    Mark mark = teachersService.AddMarkToStudent(studentId, subjectId, teacherId, markValue);
                    return(Ok(mark));
                }
            }
            catch (NullReferenceException e)
            {
                logger.Error(e.Message, "Adding mark to student");
                return(ResponseMessage(Request.CreateErrorResponse(HttpStatusCode.BadRequest, e.Message)));
            }
        }