def add_user_to_sheet(request, slug):
sheet = get_object_or_404(Sheet, slug=slug)
form_by_username = AddUserForm(request.POST or None)
groups = UserAPI.get_groups_and_users_dict().keys()
by_username_valid = form_by_username.is_valid()
if by_username_valid:
users = list()
username = form_by_username.cleaned_data['username']
if username:
users.append(get_object_or_404(User, username=username))
for group in groups:
selected_users_pk = form_by_username.cleaned_data[group]
for pk in selected_users_pk:
users.append(get_object_or_404(User, pk=pk))
for user in users:
if user != request.user:
remove_perm('sheets.change_sheet', user, sheet)
assign_perm('sheets.view_sheet', user, sheet)
if form_by_username.cleaned_data['role'] == 'T':
assign_perm('sheets.change_sheet', user, sheet)
else:
MarkAPI.create_marks_for_student(sheet, user)
return redirect('sheet_detail', slug=slug)
return render(request, 'add_user_to_sheet.html', {
'form_by_username': form_by_username,
'sheet': sheet
})
