src/catalogue/feeds.py

   1 # -*- coding: utf-8 -*-
   2 from django.contrib.syndication.views import Feed
   3 from django.shortcuts import get_object_or_404
   4 from catalogue.models import Book, Chunk
   5
   6 class PublishTrackFeed(Feed):
   7     title = u"Planowane publikacje"
   8     link = "/"
   9
  10     def description(self, obj):
  11         tag, published = obj
  12         return u"Publikacje, które dotarły co najmniej do etapu: %s" % tag.name
  13
  14     def get_object(self, request, slug):
  15         published = request.GET.get('published')
  16         if published is not None:
  17             published = published == 'true'
  18         return get_object_or_404(Chunk.tag_model, slug=slug), published
  19
  20     def item_title(self, item):
  21         return item.title
  22
  23     def items(self, obj):
  24         tag, published = obj
  25         books = Book.objects.filter(public=True, _on_track__gte=tag.ordering
  26                 ).order_by('-_on_track', 'title')
  27         if published is not None:
  28             books = books.filter(_published=published)
  29         return books