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)));
}
}