+def fragment_sets(request, id):
+ fragment = get_object_or_404(models.Fragment, pk=id)
+ user_sets = models.Tag.objects.filter(category='set', user=request.user)
+ fragment_sets = fragment.tags.filter(category='set', user=request.user)
+
+ if not request.user.is_authenticated():
+ return HttpResponse('<p>Aby zarządzać swoimi półkami, musisz się zalogować.</p>')
+
+ if request.method == 'POST':
+ form = forms.ObjectSetsForm(fragment, request.user, request.POST)
+ if form.is_valid():
+ fragment.tags = ([models.Tag.objects.get(pk=id) for id in form.cleaned_data['set_ids']] +
+ list(fragment.tags.filter(~Q(category='set') | ~Q(user=request.user))))
+ if request.is_ajax():
+ return HttpResponse('<p>Półki zostały zapisane.</p>')
+ else:
+ return HttpResponseRedirect('/')
+ else:
+ form = forms.ObjectSetsForm(fragment, request.user)
+ new_set_form = forms.NewSetForm()
+
+ return render_to_response('catalogue/fragment_sets.html', locals(),
+ context_instance=RequestContext(request))
+
+