mygpo/publisher/views.py

   1 from functools import wraps
   2 import urllib
   3
   4 from django.shortcuts import render
   5 from django.http import HttpResponse, HttpResponseRedirect, \
   6         HttpResponseForbidden, Http404
   7 from django.core.cache import cache
   8 from django.views.decorators.cache import never_cache, cache_control
   9 from django.views.decorators.vary import vary_on_cookie
  10 from django.core.urlresolvers import reverse
  11 from django.utils.translation import ugettext as _
  12 from django.contrib import messages
  13 from django.shortcuts import get_object_or_404
  14
  15 from mygpo.podcasts.models import PodcastGroup, Podcast
  16 from mygpo.core.proxy import proxy_object
  17 from mygpo.publisher.auth import require_publisher, is_publisher
  18 from mygpo.publisher.forms import SearchPodcastForm
  19 from mygpo.publisher.utils import listener_data, episode_listener_data, \
  20          check_publisher_permission, subscriber_data
  21 from mygpo.web.heatmap import EpisodeHeatmap
  22 from mygpo.web.views.episode import slug_decorator as episode_slug_decorator
  23 from mygpo.web.views.podcast import slug_decorator as podcast_slug_decorator
  24 from mygpo.web.utils import get_podcast_link_target, normalize_twitter, \
  25      get_episode_link_target
  26 from django.contrib.sites.models import RequestSite
  27 from mygpo.data.tasks import update_podcasts
  28 from mygpo.decorators import requires_token, allowed_methods
  29 from mygpo.users.models import User
  30 from mygpo.db.couchdb.episode import set_episode_slug, remove_episode_slug
  31 from mygpo.db.couchdb.episode_state import episode_listener_counts
  32 from mygpo.db.couchdb.pubsub import subscription_for_topic
  33
  34
  35 @vary_on_cookie
  36 @cache_control(private=True)
  37 def home(request):
  38     if is_publisher(request.user):
  39         podcasts = Podcasts.objects.filter(id__in=request.user.published_objects)
  40         site = RequestSite(request)
  41         update_token = request.user.get_token('publisher_update_token')
  42         form = SearchPodcastForm()
  43         return render(request, 'publisher/home.html', {
  44             'update_token': update_token,
  45             'podcasts': podcasts,
  46             'form': form,
  47             'site': site,
  48             })
  49
  50     else:
  51         site = RequestSite(request)
  52         return render(request, 'publisher/info.html', {
  53             'site': site
  54             })
  55
  56
  57 @vary_on_cookie
  58 @cache_control(private=True)
  59 @require_publisher
  60 def search_podcast(request):
  61     form = SearchPodcastForm(request.POST)
  62     if form.is_valid():
  63         podcast_url = form.cleaned_data['url']
  64         podcast = get_objet_or_404(Podcast, urls__url=podcast_url)
  65         url = get_podcast_link_target(podcast, 'podcast-publisher-detail')
  66     else:
  67         url = reverse('publisher')
  68
  69     return HttpResponseRedirect(url)
  70
  71
  72 @vary_on_cookie
  73 @cache_control(private=True)
  74 @require_publisher
  75 @allowed_methods(['GET', 'POST'])
  76 def podcast(request, podcast):
  77
  78     if not check_publisher_permission(request.user, podcast):
  79         return HttpResponseForbidden()
  80
  81     timeline_data = listener_data([podcast])
  82     subscription_data = subscriber_data([podcast])[-20:]
  83
  84     update_token = request.user.publisher_update_token
  85
  86     heatmap = EpisodeHeatmap(podcast.get_id())
  87
  88     pubsubscription = subscription_for_topic(podcast.url)
  89
  90     site = RequestSite(request)
  91     feedurl_quoted = urllib.quote(podcast.url)
  92
  93     return render(request, 'publisher/podcast.html', {
  94         'site': site,
  95         'podcast': podcast,
  96         'group': podcast.group,
  97         'form': None,
  98         'timeline_data': timeline_data,
  99         'subscriber_data': subscription_data,
 100         'update_token': update_token,
 101         'heatmap': heatmap,
 102         'feedurl_quoted': feedurl_quoted,
 103         'pubsubscription': pubsubscription,
 104         })
 105
 106
 107 @vary_on_cookie
 108 @cache_control(private=True)
 109 @require_publisher
 110 def group(request, group):
 111
 112     podcasts = group.podcasts
 113
 114     # users need to have publisher access for at least one of the group's podcasts
 115     if not any([check_publisher_permission(request.user, p) for p in podcasts]):
 116         return HttpResponseForbidden()
 117
 118     timeline_data = listener_data(podcasts)
 119     subscription_data = list(subscriber_data(podcasts))[-20:]
 120
 121     return render(request, 'publisher/group.html', {
 122         'group': group,
 123         'timeline_data': timeline_data,
 124         'subscriber_data': subscription_data,
 125         })
 126
 127
 128 @vary_on_cookie
 129 @cache_control(private=True)
 130 @require_publisher
 131 def update_podcast(request, podcast):
 132
 133     if not check_publisher_permission(request.user, podcast):
 134         return HttpResponseForbidden()
 135
 136     update_podcasts.delay([podcast.url])
 137     messages.success(request, _('The update has been scheduled. It might take some time until the results are visible.'))
 138
 139     url = get_podcast_link_target(podcast, 'podcast-publisher-detail')
 140     return HttpResponseRedirect(url)
 141
 142
 143 @vary_on_cookie
 144 @cache_control(private=True)
 145 @require_publisher
 146 def save_podcast(request, podcast):
 147     twitter = normalize_twitter(request.POST.get('twitter', ''))
 148     podcast.twitter = twitter
 149     podcast.save()
 150     messages.success(request, _('Data updated'))
 151     url = get_podcast_link_target(podcast, 'podcast-publisher-detail')
 152     return HttpResponseRedirect(url)
 153
 154
 155
 156 @never_cache
 157 @require_publisher
 158 def new_update_token(request, username):
 159     request.user.create_new_token('publisher_update_token')
 160     request.user.save()
 161     messages.success(request, _('Publisher token updated'))
 162     return HttpResponseRedirect(reverse('publisher'))
 163
 164
 165 @never_cache
 166 @requires_token(token_name='publisher_update_token')
 167 def update_published_podcasts(request, username):
 168     user = User.get_user(username)
 169     if not user:
 170         raise Http404
 171
 172     published_podcasts = Podcast.objects.filter(id__in=user.published_objects)
 173     update_podcasts.delay([podcast.url for podcast in published_podcasts])
 174     return HttpResponse('Updated:\n' + '\n'.join([p.url for p in published_podcasts]), mimetype='text/plain')
 175
 176
 177 @vary_on_cookie
 178 @cache_control(private=True)
 179 @require_publisher
 180 def episodes(request, podcast):
 181
 182     if not check_publisher_permission(request.user, podcast):
 183         return HttpResponseForbidden()
 184
 185     episodes = podcast.episode_set().all()
 186     listeners = dict(episode_listener_counts(podcast))
 187
 188     max_listeners = max(listeners.values() + [0])
 189
 190     def annotate_episode(episode):
 191         listener_count = listeners.get(episode._id, None)
 192         return proxy_object(episode, listeners=listener_count)
 193
 194     episodes = map(annotate_episode, episodes)
 195
 196     return render(request, 'publisher/episodes.html', {
 197         'podcast': podcast,
 198         'episodes': episodes,
 199         'max_listeners': max_listeners
 200         })
 201
 202
 203 @require_publisher
 204 @vary_on_cookie
 205 @cache_control(private=True)
 206 @allowed_methods(['GET', 'POST'])
 207 def episode(request, episode):
 208
 209     site = RequestSite(request)
 210     podcast = episode.podcast
 211
 212     if not check_publisher_permission(request.user, podcast):
 213         return HttpResponseForbidden()
 214
 215     if request.method == 'POST':
 216         form = None  # EpisodeForm(request.POST, instance=e)
 217         # if form.is_valid():
 218         #    form.save()
 219
 220     elif request.method == 'GET':
 221         form = None  # EpisodeForm(instance=e)
 222
 223     timeline_data = list(episode_listener_data(episode))
 224
 225     heatmap = EpisodeHeatmap(episode.podcast, episode._id,
 226               duration=episode.duration)
 227
 228     return render(request, 'publisher/episode.html', {
 229         'is_secure': request.is_secure(),
 230         'domain': site.domain,
 231         'episode': episode,
 232         'podcast': podcast,
 233         'form': form,
 234         'timeline_data': timeline_data,
 235         'heatmap': heatmap,
 236         })
 237
 238
 239 @require_publisher
 240 @never_cache
 241 @allowed_methods(['POST'])
 242 def update_episode_slug(request, episode):
 243     """ sets a new "main" slug, and moves the existing to the merged slugs """
 244
 245     new_slug = request.POST.get('slug')
 246     podcast = episode.podcast
 247
 248     if new_slug:
 249         # remove the new slug from other episodes (of the same podcast)
 250         other_episodes = Episode.objects.filter(podcast=podcast,
 251                                                 slugs__slug=new_slug)
 252
 253         for other_episode in other_episodes:
 254
 255             if other_episode == episode:
 256                 continue
 257
 258             remove_episode_slug(other_episode, new_slug)
 259             messages.warning(request,
 260                 _(u'Removed slug {slug} from {episode}'.format(
 261                     slug=new_slug, episode=other_episode.title))
 262             )
 263
 264     set_episode_slug(episode, new_slug)
 265
 266     # TODO: we should use better cache invalidation
 267     cache.clear()
 268
 269     return HttpResponseRedirect(
 270         get_episode_link_target(episode, podcast, 'episode-publisher-detail')
 271     )
 272
 273
 274 @vary_on_cookie
 275 @cache_control(private=True)
 276 def link(request):
 277     current_site = RequestSite(request)
 278     return render(request, 'link.html', {
 279         'url': current_site
 280         })
 281
 282
 283 @vary_on_cookie
 284 @cache_control(private=True)
 285 def advertise(request):
 286     site = RequestSite(request)
 287     return render(request, 'publisher/advertise.html', {
 288         'site': site
 289     })
 290
 291
 292 def group_id_decorator(f):
 293     @wraps(f)
 294     def _decorator(request, slug_id, *args, **kwargs):
 295         group = get_object_or_404(PodcastGroup, pk=slug_id)
 296         return f(request, group, *args, **kwargs)
 297
 298     return _decorator
 299
 300
 301 episode_slug             = episode_slug_decorator(episode)
 302 update_episode_slug_slug = episode_slug_decorator(update_episode_slug)
 303 podcast_slug             = podcast_slug_decorator(podcast)
 304 episodes_slug            = podcast_slug_decorator(episodes)
 305 update_podcast_slug      = podcast_slug_decorator(update_podcast)
 306 save_podcast_slug        = podcast_slug_decorator(save_podcast)
 307 group_slug               = group_id_decorator(group)