+
+
+class QuestionListView(ListView):
+ def get(self, request, *args, **kwargs):
+ self.tag = None
+ if 'tag' in request.GET:
+ try:
+ self.tag = Tag.objects.filter(items__question__published=True, slug=request.GET['tag'])[0]
+ except IndexError:
+ pass
+ return super(QuestionListView, self).get(request, *args, **kwargs)
+
+ def get_queryset(self):
+ qs = Question.objects.filter(published=True
+ ).order_by('-published_at')
+ if self.tag:
+ qs = qs.filter(tags=self.tag)
+ return qs
+
+ def get_context_data(self, *args, **kwargs):
+ context = super(QuestionListView, self).get_context_data(*args, **kwargs)
+ context['tags'] = Tag.objects.filter(items__question__published=True
+ ).annotate(c=models.Count('items__tag')).order_by('-c', 'slug')
+ context['tag'] = self.tag
+ return context