public IActionResult EditCourses(int StudentId, List <EditStudentCoursesViewModel> model)
{
if (StudentId == 0)
{
return(View("NotFound"));
}
for (int i = 0; i < model.Count; i++)
{
if (model[i].IsSelected == true && !(studentCourseRepository.IsRelationExist(StudentId, model[i].CourseId)))
{
var studentCourseRelation = new StudentCourseRelation
{
StudentId = StudentId,
CourseId = model[i].CourseId
};
studentCourseRepository.Add(studentCourseRelation);
}
else if (model[i].IsSelected == false && studentCourseRepository.IsRelationExist(StudentId, model[i].CourseId))
{
studentCourseRepository.Delete(StudentId, model[i].CourseId);
}
else
{
continue;
}
}
return(RedirectToAction("Details", new { id = StudentId }));
}
public StudentCourse AddToCourse(int studentId, int courseId)
{
var student = _studentRepository.GetById(studentId);
student.Credit -= 4;
_studentRepository.Update(student);
var studentCourse = new StudentCourse
{
CourseId = courseId,
StudentId = studentId
};
studentCourse = _studentCourseRepository.Add(studentCourse);
return(studentCourse);
}
public StudentCourse EnrollCourse(StudentCourse studentCourse)
{
if (!_studentCourseRepository.Records.Any(sc => sc.CourseId == studentCourse.CourseId && sc.StudentId == studentCourse.StudentId) &&
_studentRepository.Records.Where(sc => sc.Id == studentCourse.StudentId).FirstOrDefault().Credit > 0)
{
_studentCourseRepository.Add(studentCourse);
var student = _studentRepository.Records.Where(sc => sc.Id == studentCourse.StudentId).FirstOrDefault();
student.Credit = student.Credit - 4;
//need to change futher
_studentRepository.Update(student);
return(studentCourse);
}
else
{
return(null);
}
}
