For example you can use `thread locals` to store there request object
On Fri, Nov 7, 2008 at 10:58, Rob Hudson <[EMAIL PROTECTED]> wrote:
>
> I have the following:
>
> ## MODELS
>
> class Category(models.Model):
> user = models.ForeignKey(User)
> name = models.CharField(max_length=200)
>
> class Link(models.Model):
> user = models.ForeignKey(User)
> category = models.ForeignKey(Category)
> name = models.CharField(max_length=255)
> url = models.URLField(max_length=255)
>
> ## FORMS
>
> class CategoryField(forms.Field):
> def clean(self, value):
> if not value:
> raise forms.ValidationError('This field is required.')
> try:
> category = Category.objects.get(user=???, name=value)
> except Category.DoesNotExist:
> category = Category(user=???, name=value)
> category.save()
> return category
>
> class LinkForm(ModelForm):
> category = CategoryField()
> class Meta:
> model = Link
> exclude = ('user', 'url')
>
> ## VIEWS
>
> def create(request):
> if request.method == 'POST':
> form = LinkForm(request.POST)
> if form.is_valid():
> link = form.save(commit=False)
> link.user = request.user
> link.save()
> return HttpResponseRedirect(reverse('link_list'))
> else:
> form = LinkForm()
>
> return render_to_response(
> 'links/link_form.html', {
> 'form': form,
> },
> context_instance=RequestContext(request)
> )
>
> What I don't see is a way to get the user up into my field the way I
> have things set up. I originally didn't have a user FK on the
> Category model but decided I wanted it so that when adding new Links,
> the Categories can be filtered by user so each user sees only their
> categories.
>
> I'm stuck here. Any help is much appreciated.
>
> Thanks,
> Rob
> >
>
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