mygpo/publisher/views.py

   1 from functools import wraps
   2 import urllib.request, urllib.parse, urllib.error
   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.contrib.auth import get_user_model
  14 from django.contrib.contenttypes.models import ContentType
  15 from django.shortcuts import get_object_or_404
  16
  17 from mygpo.podcasts.models import PodcastGroup, Podcast, Episode
  18 from mygpo.publisher.auth import require_publisher, is_publisher
  19 from mygpo.publisher.forms import SearchPodcastForm
  20 from mygpo.publisher.utils import listener_data, episode_listener_data, \
  21          check_publisher_permission, subscriber_data
  22 from mygpo.podcasts.views.episode import (
  23     slug_decorator as episode_slug_decorator,
  24     id_decorator as episode_id_decorator
  25 )
  26 from mygpo.podcasts.views.podcast import (
  27     slug_decorator as podcast_slug_decorator,
  28     id_decorator as podcast_id_decorator
  29 )
  30 from mygpo.web.utils import get_podcast_link_target, normalize_twitter, \
  31      get_episode_link_target
  32 from django.contrib.sites.requests import RequestSite
  33 from mygpo.data.tasks import update_podcasts
  34 from mygpo.decorators import requires_token, allowed_methods
  35 from mygpo.pubsub.models import HubSubscription
  36
  37
  38 @vary_on_cookie
  39 @cache_control(private=True)
  40 def home(request):
  41     if is_publisher(request.user):
  42         podcasts = Podcast.objects.filter(publishedpodcast__publisher=request.user)\
  43                                   .prefetch_related('slugs')
  44         site = RequestSite(request)
  45         update_token = request.user.profile.get_token('publisher_update_token')
  46         form = SearchPodcastForm()
  47         return render(request, 'publisher/home.html', {
  48             'update_token': update_token,
  49             'podcasts': podcasts,
  50             'form': form,
  51             'site': site,
  52             })
  53
  54     else:
  55         site = RequestSite(request)
  56         return render(request, 'publisher/info.html', {
  57             'site': site
  58             })
  59
  60
  61 @vary_on_cookie
  62 @cache_control(private=True)
  63 @require_publisher
  64 def search_podcast(request):
  65     form = SearchPodcastForm(request.POST)
  66     if form.is_valid():
  67         podcast_url = form.cleaned_data['url']
  68         podcast = get_objet_or_404(Podcast, urls__url=podcast_url)
  69         url = get_podcast_link_target(podcast, 'podcast-publisher-detail')
  70     else:
  71         url = reverse('publisher')
  72
  73     return HttpResponseRedirect(url)
  74
  75
  76 @vary_on_cookie
  77 @cache_control(private=True)
  78 @require_publisher
  79 @allowed_methods(['GET', 'POST'])
  80 def podcast(request, podcast):
  81
  82     if not check_publisher_permission(request.user, podcast):
  83         return HttpResponseForbidden()
  84
  85     timeline_data = listener_data([podcast])
  86     subscription_data = subscriber_data([podcast])[-20:]
  87
  88     update_token = request.user.profile.get_token('publisher_update_token')
  89
  90     try:
  91         pubsubscription = HubSubscription.objects.get(topic_url=podcast.url)
  92     except HubSubscription.DoesNotExist:
  93         pubsubscription = None
  94
  95     site = RequestSite(request)
  96     feedurl_quoted = urllib.parse.quote(podcast.url)
  97
  98     return render(request, 'publisher/podcast.html', {
  99         'site': site,
 100         'podcast': podcast,
 101         'group': podcast.group,
 102         'form': None,
 103         'timeline_data': timeline_data,
 104         'subscriber_data': subscription_data,
 105         'update_token': update_token,
 106         'feedurl_quoted': feedurl_quoted,
 107         'pubsubscription': pubsubscription,
 108         })
 109
 110
 111 @vary_on_cookie
 112 @cache_control(private=True)
 113 @require_publisher
 114 def group(request, group):
 115
 116     podcasts = group.podcasts
 117
 118     # users need to have publisher access for at least one of the group's podcasts
 119     if not any([check_publisher_permission(request.user, p) for p in podcasts]):
 120         return HttpResponseForbidden()
 121
 122     timeline_data = listener_data(podcasts)
 123     subscription_data = list(subscriber_data(podcasts))[-20:]
 124
 125     return render(request, 'publisher/group.html', {
 126         'group': group,
 127         'timeline_data': timeline_data,
 128         'subscriber_data': subscription_data,
 129         })
 130
 131
 132 @vary_on_cookie
 133 @cache_control(private=True)
 134 @require_publisher
 135 def update_podcast(request, podcast):
 136
 137     if not check_publisher_permission(request.user, podcast):
 138         return HttpResponseForbidden()
 139
 140     update_podcasts.delay([podcast.url])
 141     messages.success(request, _('The update has been scheduled. It might take some time until the results are visible.'))
 142
 143     url = get_podcast_link_target(podcast, 'podcast-publisher-detail')
 144     return HttpResponseRedirect(url)
 145
 146
 147 @vary_on_cookie
 148 @cache_control(private=True)
 149 @require_publisher
 150 def save_podcast(request, podcast):
 151     twitter = normalize_twitter(request.POST.get('twitter', ''))
 152     podcast.twitter = twitter
 153     podcast.save()
 154     messages.success(request, _('Data updated'))
 155     url = get_podcast_link_target(podcast, 'podcast-publisher-detail')
 156     return HttpResponseRedirect(url)
 157
 158
 159
 160 @never_cache
 161 @require_publisher
 162 def new_update_token(request, username):
 163     request.user.profile.create_new_token('publisher_update_token')
 164     request.user.profile.save()
 165     messages.success(request, _('Publisher token updated'))
 166     return HttpResponseRedirect(reverse('publisher'))
 167
 168
 169 @never_cache
 170 @requires_token(token_name='publisher_update_token')
 171 def update_published_podcasts(request, username):
 172     User = get_user_model()
 173     user = get_object_or_404(User, username=username)
 174     published_podcasts = [pp.podcast for pp in user.publishedpodcast_set.all()]
 175     update_podcasts.delay([podcast.url for podcast in published_podcasts])
 176     return HttpResponse('Updated:\n' + '\n'.join([p.url for p in published_podcasts]), content_type='text/plain')
 177
 178
 179 @vary_on_cookie
 180 @cache_control(private=True)
 181 @require_publisher
 182 def episodes(request, podcast):
 183
 184     if not check_publisher_permission(request.user, podcast):
 185         return HttpResponseForbidden()
 186
 187     episodes = Episode.objects.filter(podcast=podcast).select_related('podcast').prefetch_related('slugs', 'podcast__slugs')
 188
 189     listeners = map(None, (e.listeners for e in episodes))
 190     max_listeners = max(listeners, default=0)
 191
 192     return render(request, 'publisher/episodes.html', {
 193         'podcast': podcast,
 194         'episodes': episodes,
 195         'max_listeners': max_listeners
 196         })
 197
 198
 199 @require_publisher
 200 @vary_on_cookie
 201 @cache_control(private=True)
 202 @allowed_methods(['GET', 'POST'])
 203 def episode(request, episode):
 204
 205     site = RequestSite(request)
 206     podcast = episode.podcast
 207
 208     if not check_publisher_permission(request.user, podcast):
 209         return HttpResponseForbidden()
 210
 211     if request.method == 'POST':
 212         form = None  # EpisodeForm(request.POST, instance=e)
 213         # if form.is_valid():
 214         #    form.save()
 215
 216     elif request.method == 'GET':
 217         form = None  # EpisodeForm(instance=e)
 218
 219     timeline_data = list(episode_listener_data(episode))
 220
 221     return render(request, 'publisher/episode.html', {
 222         'is_secure': request.is_secure(),
 223         'domain': site.domain,
 224         'episode': episode,
 225         'podcast': podcast,
 226         'form': form,
 227         'timeline_data': timeline_data,
 228         })
 229
 230
 231 @require_publisher
 232 @never_cache
 233 @allowed_methods(['POST'])
 234 def update_episode_slug(request, episode):
 235     """ sets a new "main" slug, and moves the existing to the merged slugs """
 236
 237     new_slug = request.POST.get('slug')
 238     podcast = episode.podcast
 239
 240     if new_slug:
 241         # remove the new slug from other episodes (of the same podcast)
 242         other_episodes = Episode.objects.filter(
 243             podcast=podcast,
 244             slugs__slug=new_slug,
 245             slugs__content_type=ContentType.objects.get_for_model(Episode),
 246         )
 247
 248         for other_episode in other_episodes:
 249
 250             if other_episode == episode:
 251                 continue
 252
 253             other_episode.remove_slug(new_slug)
 254             messages.warning(request,
 255                 _('Removed slug {slug} from {episode}'.format(
 256                     slug=new_slug, episode=other_episode.title))
 257             )
 258
 259     episode.set_slug(new_slug)
 260
 261     # TODO: we should use better cache invalidation
 262     cache.clear()
 263
 264     return HttpResponseRedirect(
 265         get_episode_link_target(episode, podcast, 'episode-publisher-detail')
 266     )
 267
 268
 269 @vary_on_cookie
 270 @cache_control(private=True)
 271 def link(request):
 272     current_site = RequestSite(request)
 273     return render(request, 'link.html', {
 274         'url': current_site
 275         })
 276
 277
 278 @vary_on_cookie
 279 @cache_control(private=True)
 280 def advertise(request):
 281     site = RequestSite(request)
 282     return render(request, 'publisher/advertise.html', {
 283         'site': site
 284     })
 285
 286
 287 def group_id_decorator(f):
 288     @wraps(f)
 289     def _decorator(request, pg_slug, *args, **kwargs):
 290         group = get_object_or_404(PodcastGroup, pk=slug_id)
 291         return f(request, group, *args, **kwargs)
 292
 293     return _decorator
 294
 295
 296 episode_slug             = episode_slug_decorator(episode)
 297 update_episode_slug_slug = episode_slug_decorator(update_episode_slug)
 298 podcast_slug             = podcast_slug_decorator(podcast)
 299 episodes_slug            = podcast_slug_decorator(episodes)
 300 update_podcast_slug      = podcast_slug_decorator(update_podcast)
 301 save_podcast_slug        = podcast_slug_decorator(save_podcast)
 302
 303 episode_id             = episode_id_decorator(episode)
 304 update_episode_slug_id = episode_id_decorator(update_episode_slug)
 305 podcast_id             = podcast_id_decorator(podcast)
 306 episodes_id            = podcast_id_decorator(episodes)
 307 update_podcast_id      = podcast_id_decorator(update_podcast)
 308 save_podcast_id        = podcast_id_decorator(save_podcast)
 309
 310 group_slug               = group_id_decorator(group)
 311 group_id                 = group_id_decorator(group)