mygpo/api/advanced/directory.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 mygpo.api.basic_auth import require_valid_user, check_username
  19 from django.http import HttpResponse, HttpResponseBadRequest, HttpResponseForbidden
  20 from mygpo.api.httpresponse import JsonResponse
  21 from mygpo.exceptions import ParameterMissing
  22 from django.shortcuts import get_object_or_404
  23 from mygpo.api.sanitizing import sanitize_url
  24 from mygpo.api.models import Device, Podcast, Episode, ToplistEntry
  25 from mygpo.api.models.episodes import Chapter
  26 from mygpo.data.models import PodcastTag
  27 from django.utils.translation import ugettext as _
  28 from datetime import datetime, timedelta
  29 from mygpo.log import log
  30 from mygpo.utils import parse_time
  31 import dateutil.parser
  32 from django.contrib.sites.models import Site
  33 from django.views.decorators.csrf import csrf_exempt
  34
  35 try:
  36     #try to import the JSON module (if we are on Python 2.6)
  37     import json
  38
  39     # Python 2.5 seems to have a different json module
  40     if not 'dumps' in dir(json):
  41         raise ImportError
  42
  43 except ImportError:
  44     # No JSON module available - fallback to simplejson (Python < 2.6)
  45     print "No JSON module available - fallback to simplejson (Python < 2.6)"
  46     import simplejson as json
  47
  48
  49 @csrf_exempt
  50 def top_tags(request, count):
  51     tags = DirectoryEntry.objects.top_tags(int(count))
  52     resp = []
  53     for t in tags:
  54         resp.append( {
  55             'tag': t.tag,
  56             'usage': t.entries
  57             } )
  58     return JsonResponse(resp)
  59
  60
  61 @csrf_exempt
  62 def tag_podcasts(request, tag, count):
  63     resp = []
  64     for p in DirectoryEntry.objects.podcasts_for_tag(tag)[:int(count)]:
  65         resp.append( podcast_data(p.get_podcast()) )
  66
  67     return JsonResponse(resp)
  68
  69
  70 def podcast_info(request):
  71     url = sanitize_url(request.GET.get('url', ''))
  72     podcast = get_object_or_404(Podcast, url=url)
  73     resp = podcast_data(podcast)
  74
  75     return JsonResponse(resp)
  76
  77
  78 def episode_info(request):
  79     podcast_url = sanitize_url(request.GET.get('podcast', ''))
  80     episode_url = sanitize_url(request.GET.get('url', ''), podcast=False, episode=True)
  81     episode = get_object_or_404(Episode, url=episode_url, podcast__url=podcast_url)
  82
  83     resp = episode_data(episode)
  84     return JsonResponse(resp)
  85
  86
  87 def podcast_data(podcast):
  88     site = Site.objects.get_current()
  89     if podcast.group:
  90         try:
  91             e = ToplistEntry.objects.get(podcast_group=podcast.group)
  92
  93         # no toplist entry has been created for the group yet
  94         except ToplistEntry.DoesNotExist:
  95             e = ToplistEntry.objects.get(podcast=podcast)
  96     else:
  97         e = ToplistEntry.objects.get(podcast=podcast)
  98
  99     return {
 100         "url": podcast.url,
 101         "title": podcast.title,
 102         "description": podcast.description,
 103         "subscribers": e.subscriptions,
 104         "logo_url": podcast.logo_url,
 105         "website": podcast.link,
 106         "mygpo_link": 'http://%s/podcast/%s' % (site.domain, podcast.id),
 107         }
 108
 109 def episode_data(episode):
 110     site = Site.objects.get_current()
 111
 112     return {
 113         "title": episode.title,
 114         "url": episode.url,
 115         "podcast_title": episode.podcast.title,
 116         "podcast_url": episode.podcast.url,
 117         "description": episode.description,
 118         "website": episode.link,
 119         "mygpo_link": 'http://%s/episode/%s' % (site.domain, episode.id),
 120         }