Filtering a model in a CreateView with get_queryset

django, django-templates, django-views

Solution

The issue here is that `get_queryset` is not used in a CreateView, as it's meant for filtering the models returned for display in a list or detail view. You want something completely different: you want to filter the choices available in a form field.

To do that you will need to create a custom ModelForm that accepts a `user` kwarg and filters the queryset accordingly:

class FolderForm(forms.ModelForm):
    class Meta:
       model = Folder
       fields = ['name', 'parent']

    def __init__(self, *args, **kwargs):
       user = kwargs.pop('user')
       super(FolderForm, self).__init__(*args, **kwargs)
       self.fields['parent'].queryset = Folder.objects.filter(user=user)

and then change your view to use that form and pass in the user parameter:

class FolderCreate(CreateView):
    template_name = 'Form/folder_create.html'
    form_class = FolderForm

    def get_form_kwargs(self):
        kwargs = super(FolderCreate, self).get_form_kwargs()
        kwargs['user'] = self.request.user
        return kwargs

Problem

I'm trying to filter a model with get_queryset() and it seems to work in the view but not in the template. My view : ``` class FolderCreate(CreateView): fields = ['name', 'parent'] template_name = 'Form/folder_create.html' def get_queryset(self): folders = Folder.objects.filter(owner=self.request.user) print folders # ==> return [<Folder: Folder>, <Folder: Another folder>] return folders def form_valid(self, form): self.object = form.save(commit=False) self.object.owner = self.request.user return super(FolderCreate, self).form_valid(form) def get_initial(self): if self.request.method == 'GET': foldersUrl = self.request.META['HTTP_REFERER'].split('/') foldersUrl.pop() folder = urllib2.unquote(foldersUrl[-1]) try: return {'parent' : Folder.objects.get(name=folder, owner=self.request.user)} except Folder.DoesNotExist: pass ``` As you can see, folders return two objects related to the session user in get_queryset() : 'Folder' and 'Another folder Infortunately, the combobox of my template get all the folders, without any filtering. Any idea ?

Original source