// GET: SchoolClasses/Edit/5
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(RedirectToAction("Index"));
}
var schoolClass = await _context.SchoolClasses.FindAsync(id);
if (schoolClass == null)
{
return(RedirectToAction("Index"));
}
var enrolledStudentIds = _context.SchoolClassStudents
.Where(scs => scs.SchoolClassId == schoolClass.Id)
.Select(scs => scs.StudentId).ToList();
var enrolledStudents = await GetUsersFromIdAsync(enrolledStudentIds);
var viewModel = new SchoolClassViewModel
{
Id = schoolClass.Id,
Name = schoolClass.Name,
Teacher = await _userManager.FindByIdAsync(schoolClass.TeacherId),
TeacherId = schoolClass.TeacherId,
Students = enrolledStudents,
StudentIds = enrolledStudentIds
};
await SchoolClassViewModel.UpdateUserList(_userManager);
return(View(viewModel));
}
// GET: SchoolClasses
public async Task <IActionResult> Index()
{
var schoolClasses = await _context.SchoolClasses.ToListAsync();
var schoolClassStudents = await _context.SchoolClassStudents.ToListAsync();
var viewModels = new List <SchoolClassViewModel>();
foreach (var sc in schoolClasses)
{
var studentIds = schoolClassStudents
.Where(scs => scs.SchoolClassId == sc.Id)
.Select(scs => scs.StudentId).ToList();
viewModels.Add(new SchoolClassViewModel
{
Id = sc.Id,
Name = sc.Name,
Teacher = await _userManager.FindByIdAsync(sc.TeacherId),
Students = await GetUsersFromIdAsync(studentIds)
});
}
await SchoolClassViewModel.UpdateUserList(_userManager);
return(View(viewModels));
}
// GET: SchoolClasses/Create
public async Task <IActionResult> Create()
{
await SchoolClassViewModel.UpdateUserList(_userManager);
return(View());
}