private void PopulateAssignedSchoolData(Lecturer lecturer)
{
var allSchools = db.Schools;
var lecturerSchool = new HashSet<int>(lecturer.AllSchoolLecturerBelongsTo.Select(c => c.SchoolID));
var viewModel = new List<AssignedSchoolData>();
foreach (var school in allSchools)
{
viewModel.Add(new AssignedSchoolData
{
SchoolID = school.SchoolID,
Name = school.Name,
Assigned = lecturerSchool.Contains(school.SchoolID)
});
}
ViewBag.Schools = viewModel;
}
private void UpdateLectuerSchool(string[] selectedSchools, Lecturer lecturerToUpdate)
{
if (selectedSchools == null)
{
lecturerToUpdate.AllSchoolLecturerBelongsTo = new List<School>();
return;
}
var selectedSchoolsHS = new HashSet<string>(selectedSchools);
var lecturerSchools = new HashSet<int>
(lecturerToUpdate.AllSchoolLecturerBelongsTo.Select(c => c.SchoolID));
foreach (var school in db.Schools)
{
if (selectedSchoolsHS.Contains(school.SchoolID.ToString()))
{
if (!lecturerSchools.Contains(school.SchoolID))
{
lecturerToUpdate.AllSchoolLecturerBelongsTo.Add(school);
}
}
else
{
if (lecturerSchools.Contains(school.SchoolID))
{
lecturerToUpdate.AllSchoolLecturerBelongsTo.Remove(school);
}
}
}
}
public ActionResult CreateLecturer()
{
var lecturer = new Lecturer();
lecturer.AllSchoolLecturerBelongsTo = new List<School>();
PopulateAssignedSchoolData(lecturer);
return View();
}
