// Adds a new grade to the subject
public void AddGrade(SubjectStudentDto student)
{
if (student != null)
{
var subject = subjectRepository.GetById(Convert.ToInt32(student.SubjectId));
if (subject != null)
{
if (subject.SubjectStudents.Any(e => e.StudentId == student.StudentId))
{
return;
}
var studentEntity = studentRepository.GetById(student.StudentId);
subject.SubjectStudents.Add(new SubjectStudent
{
StudentId = student.StudentId,
Student = studentEntity,
SubjectId = student.SubjectId,
Grade = student.StudentGrade
});
subjectRepository.Edit(subject);
unitOfWork.SaveChanges();
Clients.Group(student.SubjectId.ToString()).LoadGrades(getGradesFromSubject(subject));
}
}
}
// Updates a grade
public void UpdateGrade(SubjectStudentDto student)
{
if (student != null)
{
var subject = subjectRepository.GetById(Convert.ToInt32(student.SubjectId));
if (subject != null)
{
subject.SubjectStudents = subject.SubjectStudents.Select(e =>
{
if (e.Id == student.Id)
{
e.Grade = student.StudentGrade;
}
return(e);
}).ToList();
subjectRepository.Edit(subject);
unitOfWork.SaveChanges();
Clients.Group(student.SubjectId.ToString()).LoadGrades(getGradesFromSubject(subject));
}
}
}
