/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public void DeregisterStudent(string studentId)
{
var student = _srepo.Get(studentId) ?? new Student();
//is this a valid student?
if (student.Id == null)
{
throw new UpdateException(string.Format("student with id {0}", studentId));
}
//deregister the student from all courses they were registered to
//here
var enrollment = _cerepo.GetAll();
foreach (var item in enrollment)
{
if (item.Id == studentId)
{
_cerepo.Remove(item);
}
}
var result = _srepo.Remove(student);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public List <Student> GetRegisteredStudentsForCourse(string courseId)
{
var students = new List <Student>();
var course = _crepo.Get(courseId) ?? new Course();
if (course.Id == null)
{
throw new NotFoundException("msg");
}
var enrolled = _cerepo.GetAll().Where(x => x.CourseId == course.Id && x.IsAdmin == false).ToList() ?? new List <CourseEnrollment>();
if (enrolled.Count() == 0)
{
return(new List <Student>());
}
enrolled.ForEach(e => students.Add(_srepo.Get(e.Id)));
return(students);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public List <Course> ListTeacherCourses(string teacherId)
{
var courses = new List <Course>();
var teacher = _trepo.Get(teacherId) ?? new Teacher();
if (teacher.Id == null)
{
throw new NotFoundException(string.Format("cannot list courses. teacher with id {0} not found.", teacherId));
}
var enrollment = _cerepo.GetAll().Where(c => c.Id == teacherId && c.IsAdmin == true) as List <CourseEnrollment>;
if (enrollment.Count == 0)
{
return(courses);
}
enrollment.ForEach(x => courses.Add(_crepo.Get(x.CourseId)));
return(courses);
}
