+# -*- coding: utf-8 -*-
+# This file is part of PrawoKultury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
from django.core.urlresolvers import reverse_lazy
+from django.db import models
+from django.shortcuts import get_object_or_404
+from django.views.generic import ListView
from django.views.generic.edit import FormView
from .forms import QuestionForm
+from .models import Question, Tag, TagCategory
class QuestionFormView(FormView):
def form_valid(self, form):
form.save()
return super(QuestionFormView, self).form_valid(form)
+
+
+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)
+ self.tag.click_count += 1
+ self.tag.save()
+ return qs
+
+ def get_context_data(self, *args, **kwargs):
+ def get_cloud_size(clicks, relate_to):
+ return '%.2f' % (0.7 + (float(clicks) / relate_to if relate_to != 0 else 0))
+
+ context = super(QuestionListView, self).get_context_data(*args, **kwargs)
+ context['tag'] = self.tag
+ context['tag_categories'] = TagCategory.objects.all().annotate(click_count = models.Sum('tags__click_count'))
+ context['tag_lists'] = dict()
+
+ annotated_categories = dict()
+ all_tags_click_count = Tag.objects.all().aggregate(models.Sum('click_count'))['click_count__sum']
+ for category in context['tag_categories']:
+ annotated_categories[category.id] = category
+ category.cloud_size = get_cloud_size(category.click_count, all_tags_click_count)
+
+ tags = Tag.objects.filter(items__question__published=True) \
+ .annotate(c=models.Count('items__tag')).order_by('category__slug', '-c', 'slug')
+ uncategorized_tags_click_count = Tag.objects.filter(category=None).aggregate(models.Sum('click_count'))['click_count__sum']
+ for tag in tags:
+ if tag.category:
+ category_click_count = annotated_categories[tag.category.id].click_count
+ else:
+ category_click_count = uncategorized_tags_click_count
+ tag.cloud_size = get_cloud_size(tag.click_count, category_click_count)
+ context['tag_lists'].setdefault(tag.category.id if tag.category else 0, []).append(tag)
+
+ return context