public async Task <IActionResult> OnGet()
{
if (ClassId == Guid.Empty)
{
TempData["Warning"] = "No class was selected";
return(RedirectToPage("/Admin/Classes"));
}
var classResponse = await dataService.ClassAsync(ClassId);
if (classResponse == null)
{
TempData["Failed"] = "The class selected does not exist";
return(RedirectToPage("/Admin/Classes"));
}
ViewModel = new ClassDetailsViewModel
{
Class = classResponse,
Children = new List <Child>(),
BelongingSubjects = new List <Subject>(),
NonBelongingSubjects = new List <Subject>(),
};
if (classResponse.Students.Count > 0)
{
foreach (var student in classResponse.Students)
{
ViewModel.Children.Add(student.Child);
}
}
if (classResponse.Subjects.Count > 0)
{
foreach (var subject in classResponse.Subjects)
{
ViewModel.BelongingSubjects.Add(subject.Subject);
}
}
if (await _context.Subjects.AnyAsync())
{
var allSubjects = await _context.Subjects.ToListAsync();
allSubjects.ForEach(subject =>
{
if (!ViewModel.BelongingSubjects.Contains(subject))
{
ViewModel.NonBelongingSubjects.Add(subject);
}
});
}
ViewData["Title"] = $"{ViewModel.Class.Name} Details";
return(Page());
}
