mygpo/web/views/public.py

   1 #
   2 # This file is part of my.gpodder.org.
   3 #
   4 # my.gpodder.org is free software: you can redistribute it and/or modify it
   5 # under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or (at your
   7 # option) any later version.
   8 #
   9 # my.gpodder.org is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
  12 # License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with my.gpodder.org. If not, see <http://www.gnu.org/licenses/>.
  16 #
  17
  18 from django.shortcuts import render_to_response
  19 from django.http import HttpResponseRedirect, HttpResponse, HttpResponseBadRequest, HttpResponseNotAllowed, Http404, HttpResponseForbidden
  20 from django.template import RequestContext
  21 from mygpo.api.models import Podcast, Episode, ToplistEntry, Subscription
  22 from mygpo.data.models import PodcastTag
  23 from mygpo import settings
  24 from django.shortcuts import get_object_or_404
  25 from django.db.models import Sum
  26 from django.contrib.sites.models import Site
  27 from django.core.paginator import Paginator, InvalidPage, EmptyPage
  28
  29
  30 def browse(request, num_categories=10, num_tags_cloud=90, podcasts_per_category=10):
  31     total = int(num_categories) + int(num_tags_cloud)
  32     top_tags =  PodcastTag.objects.raw("select *, count(id) as entries from podcast_tags group by tag order by entries desc limit %d" % total)
  33
  34     top_tags = filter(lambda x: not x.tag.startswith('http://'), top_tags)
  35
  36     excluded_tags = getattr(settings, 'DIRECTORY_EXCLUDED_TAGS', [])
  37     top_tags = filter(lambda x: not x.tag in excluded_tags, top_tags)
  38
  39     categories = []
  40     for tag in top_tags[:num_categories]:
  41         entries = ToplistEntry.objects.filter(podcast__podcasttag__tag=tag.tag).order_by('-subscriptions').distinct()[:podcasts_per_category]
  42         categories.append({
  43             'tag': tag.tag,
  44             'entries': entries
  45             })
  46
  47     tag_cloud = top_tags[num_categories:]
  48
  49     tag_cloud.sort(key = lambda x: x.tag.lower())
  50     max_entries = max([t.entries for t in tag_cloud])
  51
  52     return render_to_response('directory.html', {
  53         'categories': categories,
  54         'tag_cloud': tag_cloud,
  55         'max_entries': max_entries,
  56         }, context_instance=RequestContext(request))
  57
  58
  59 def category(request, category, page_size=20):
  60     entries = ToplistEntry.objects.filter(podcast__podcasttag__tag=category).order_by('-subscriptions')
  61
  62     paginator = Paginator(entries, page_size)
  63
  64     # Make sure page request is an int. If not, deliver first page.
  65     try:
  66         page = int(request.GET.get('page', '1'))
  67     except ValueError:
  68         page = 1
  69
  70     # If page request (9999) is out of range, deliver last page of results.
  71     try:
  72         podcasts = paginator.page(page)
  73     except (EmptyPage, InvalidPage):
  74         podcasts = paginator.page(paginator.num_pages)
  75
  76     return render_to_response('category.html', {
  77         'entries': podcasts,
  78         'category': category,
  79         }, context_instance=RequestContext(request))
  80
  81