panikweb/views.py

   1 from datetime import datetime, timedelta, date
   2 import math
   3 import random
   4 import os
   5 import stat
   6 import time
   7
   8 from django.conf import settings
   9 from django.http import Http404
  10
  11 from django.views.decorators.cache import cache_control
  12 from django.views.generic.base import TemplateView
  13 from django.views.generic.detail import DetailView
  14 from django.views.decorators.csrf import csrf_exempt
  15 from django.views.generic.dates import _date_from_string
  16
  17 from django.core.paginator import Paginator
  18
  19 from django.contrib.sites.models import Site
  20 from django.contrib.syndication.views import Feed, add_domain
  21 from django.utils.feedgenerator import Atom1Feed
  22
  23 from haystack.query import SearchQuerySet
  24 from jsonresponse import to_json
  25
  26 from emissions.models import Category, Emission, Episode, Diffusion, SoundFile, \
  27         Schedule, Nonstop, NewsItem, NewsCategory, Focus
  28
  29 from emissions.utils import whatsonair, period_program
  30
  31 from newsletter.forms import SubscribeForm
  32 from nonstop.utils import get_current_nonstop_track
  33
  34 from . import utils
  35
  36
  37 class EmissionMixin:
  38     def get_emission_context(self, emission, episode_ids=None):
  39         context = {}
  40
  41         # get all episodes, with an additional attribute to get the date of
  42         # their first diffusion
  43         episodes_queryset = Episode.objects.select_related()
  44         if episode_ids is not None:
  45             episodes_queryset = episodes_queryset.filter(id__in=episode_ids)
  46         else:
  47             episodes_queryset = episodes_queryset.filter(emission=emission)
  48
  49         context['episodes'] = \
  50                 episodes_queryset.extra(select={
  51                         'first_diffusion': 'emissions_diffusion.datetime',
  52                         },
  53                         select_params=(False, True),
  54                         where=['''datetime = (SELECT MIN(datetime)
  55                                                 FROM emissions_diffusion
  56                                                WHERE episode_id = emissions_episode.id
  57                                                  AND datetime <= CURRENT_TIMESTAMP)'''],
  58                         tables=['emissions_diffusion'],
  59                     ).order_by('-first_diffusion').distinct()
  60
  61         context['futurEpisodes'] = \
  62                 episodes_queryset.extra(select={
  63                         'first_diffusion': 'emissions_diffusion.datetime',
  64                         },
  65                         select_params=(False, True),
  66                         where=['''datetime = (SELECT MIN(datetime)
  67                                                 FROM emissions_diffusion
  68                                                WHERE episode_id = emissions_episode.id
  69                                                  AND datetime > CURRENT_TIMESTAMP)'''],
  70                         tables=['emissions_diffusion'],
  71                     ).order_by('first_diffusion').distinct()
  72
  73
  74         # get all related soundfiles in a single query
  75         soundfiles = {}
  76         if episode_ids is not None:
  77             for episode_id in episode_ids:
  78                 soundfiles[episode_id] = None
  79         else:
  80             for episode in Episode.objects.filter(emission=emission):
  81                 soundfiles[episode.id] = None
  82
  83         for soundfile in SoundFile.objects.select_related().filter(podcastable=True,
  84                 fragment=False, episode__emission=emission):
  85             soundfiles[soundfile.episode_id] = soundfile
  86
  87         Episode.set_prefetched_soundfiles(soundfiles)
  88
  89         #context['futurEpisodes'] = context['episodes'].filter(first_diffusion='2013')[0:3]
  90
  91         return context
  92
  93
  94 class EmissionDetailView(DetailView, EmissionMixin):
  95     model = Emission
  96
  97     def get_context_data(self, **kwargs):
  98         context = super(EmissionDetailView, self).get_context_data(**kwargs)
  99         context['sectionName'] = "Emissions"
 100         context['schedules'] = Schedule.objects.select_related().filter(
 101                 emission=self.object).order_by('rerun', 'datetime')
 102         context['news'] = NewsItem.objects.all().filter(emission=self.object.id).order_by('-date')[:3]
 103         context.update(self.get_emission_context(self.object))
 104         return context
 105 emission = EmissionDetailView.as_view()
 106
 107 class EpisodeDetailView(DetailView, EmissionMixin):
 108     model = Episode
 109
 110     def get_context_data(self, **kwargs):
 111         context = super(EpisodeDetailView, self).get_context_data(**kwargs)
 112         context['sectionName'] = "Emissions"
 113         context['diffusions'] = Diffusion.objects.select_related().filter(
 114                 episode=self.object.id).order_by('datetime')
 115         try:
 116             context['emission'] = context['episode'].emission
 117         except Emission.DoesNotExist:
 118             raise Http404()
 119         if self.kwargs.get('emission_slug') != context['emission'].slug:
 120             raise Http404()
 121         context.update(self.get_emission_context(context['emission']))
 122         return context
 123 episode = EpisodeDetailView.as_view()
 124
 125
 126 class EmissionEpisodesDetailView(DetailView, EmissionMixin):
 127     model = Emission
 128     template_name = 'emissions/episodes.html'
 129
 130     def get_context_data(self, **kwargs):
 131         context = super(EmissionEpisodesDetailView, self).get_context_data(**kwargs)
 132         context['sectionName'] = "Emissions"
 133         context['schedules'] = Schedule.objects.select_related().filter(
 134                 emission=self.object).order_by('rerun', 'datetime')
 135
 136         context['search_query'] = self.request.GET.get('q')
 137         if context['search_query']:
 138             # query string
 139             sqs = SearchQuerySet().models(Episode).filter(
 140                     emission_slug_exact=self.object.slug, text=context['search_query'])
 141             episode_ids = [x.pk for x in sqs]
 142         else:
 143             episode_ids = None
 144
 145         context.update(self.get_emission_context(self.object, episode_ids=episode_ids))
 146         return context
 147 emissionEpisodes = EmissionEpisodesDetailView.as_view()
 148
 149 class ProgramView(TemplateView):
 150     template_name = 'program.html'
 151
 152     def get_context_data(self, year=None, week=None, **kwargs):
 153         context = super(ProgramView, self).get_context_data(**kwargs)
 154         context['sectionName'] = "Emissions"
 155
 156         context['weekday'] = datetime.today().weekday()
 157
 158         context['week'] = week = int(week) if week is not None else datetime.today().isocalendar()[1]
 159         context['year'] = year = int(year) if year is not None else datetime.today().isocalendar()[0]
 160         context['week_first_day'] = utils.tofirstdayinisoweek(year, week)
 161         context['week_last_day'] = context['week_first_day'] + timedelta(days=6)
 162
 163         return context
 164
 165 program = ProgramView.as_view()
 166
 167 class TimeCell:
 168     nonstop = None
 169     w = 1
 170     h = 1
 171     time_label = None
 172
 173     def __init__(self, i, j):
 174         self.x = i
 175         self.y = j
 176         self.schedules = []
 177
 178     def add_schedule(self, schedule):
 179         end_time = schedule.datetime + timedelta(
 180                 minutes=schedule.get_duration())
 181         self.time_label = '%02d:%02d-%02d:%02d' % (
 182                 schedule.datetime.hour,
 183                 schedule.datetime.minute,
 184                 end_time.hour,
 185                 end_time.minute)
 186         self.schedules.append(schedule)
 187
 188     def __unicode__(self):
 189         if self.schedules:
 190             return ', '.join([x.emission.title for x in self.schedules])
 191         else:
 192             return self.nonstop
 193
 194     def __eq__(self, other):
 195         return (unicode(self) == unicode(other) and self.time_label == other.time_label)
 196
 197
 198 class Grid(TemplateView):
 199     template_name = 'grid.html'
 200
 201     def get_context_data(self, **kwargs):
 202         context = super(Grid, self).get_context_data(**kwargs)
 203         context['sectionName'] = "Emissions"
 204
 205         nb_lines = 2 * 24 # the cells are half hours
 206         grid = []
 207
 208         times = ['%02d:%02d' % (x/2, x%2*30) for x in range(nb_lines)]
 209         # start grid after the night programs
 210         times = times[2*Schedule.DAY_HOUR_START:] + times[:2*Schedule.DAY_HOUR_START]
 211
 212         nonstops = []
 213         for nonstop in Nonstop.objects.all():
 214             if nonstop.start < nonstop.end:
 215                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 216                                  nonstop.end.hour + nonstop.end.minute/60.,
 217                                  nonstop.title, nonstop.slug])
 218             else:
 219                 # crossing midnight
 220                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 221                                  24,
 222                                  nonstop.title, nonstop.slug])
 223                 nonstops.append([0,
 224                                  nonstop.end.hour + nonstop.end.minute/60.,
 225                                  nonstop.title, nonstop.slug])
 226         nonstops.sort()
 227
 228         for i in range(nb_lines):
 229             grid.append([])
 230             for j in range(7):
 231                 grid[-1].append(TimeCell(i, j))
 232
 233             nonstop = [x for x in nonstops if i>=x[0]*2 and i<x[1]*2][0]
 234             for time_cell in grid[-1]:
 235                 time_cell.nonstop = nonstop[2]
 236                 time_cell.nonstop_slug = nonstop[3]
 237                 if nonstop[1] == 5:
 238                     # the one ending at 5am will be cut down, so we inscribe
 239                     # its duration manually
 240                     time_cell.time_label = '%02d:00-%02d:00' % (
 241                             nonstop[0], nonstop[1])
 242
 243         for schedule in Schedule.objects.prefetch_related(
 244                 'emission__categories').select_related().order_by('datetime'):
 245             row_start = schedule.datetime.hour * 2 + \
 246                     int(math.ceil(schedule.datetime.minute / 30))
 247             day_no = schedule.get_weekday()
 248
 249             for step in range(int(math.ceil(schedule.get_duration() / 30.))):
 250                 if grid[(row_start+step)%nb_lines][day_no] is None:
 251                     grid[(row_start+step)%nb_lines][day_no] = TimeCell()
 252                 grid[(row_start+step)%nb_lines][day_no].add_schedule(schedule)
 253
 254         # start grid after the night programs
 255         grid = grid[2*Schedule.DAY_HOUR_START:] + grid[:2*Schedule.DAY_HOUR_START]
 256
 257         # look for the case where the same emission has different schedules for
 258         # the same time cell, for example if it lasts one hour the first week,
 259         # and two hours the third week.
 260         for i in range(nb_lines):
 261             grid[i] = [x for x in grid[i] if x is not None]
 262             for j, cell in enumerate(grid[i]):
 263                 if grid[i][j] is None:
 264                     continue
 265                 if len(grid[i][j].schedules) > 1:
 266                     time_cell_emissions = {}
 267                     for schedule in grid[i][j].schedules:
 268                         if not schedule.emission.id in time_cell_emissions:
 269                             time_cell_emissions[schedule.emission.id] = []
 270                         time_cell_emissions[schedule.emission.id].append(schedule)
 271                     for schedule_list in time_cell_emissions.values():
 272                         if len(schedule_list) == 1:
 273                             continue
 274                         # here it is, same cell, same emission, several
 275                         # schedules
 276                         schedule_list.sort(lambda x,y: cmp(x.get_duration(), y.get_duration()))
 277
 278                         schedule = schedule_list[0]
 279                         end_time = schedule.datetime + timedelta(
 280                                 minutes=schedule.get_duration())
 281                         grid[i][j].time_label = '%02d:%02d-%02d:%02d' % (
 282                                 schedule.datetime.hour,
 283                                 schedule.datetime.minute,
 284                                 end_time.hour,
 285                                 end_time.minute)
 286
 287                         for schedule in schedule_list[1:]:
 288                             grid[i][j].schedules.remove(schedule)
 289                             end_time = schedule.datetime + timedelta(minutes=schedule.get_duration())
 290                             schedule_list[0].time_label_extra = ', -%02d:%02d %s' % (
 291                                     end_time.hour, end_time.minute, schedule.weeks_string)
 292
 293         # merge adjacent
 294
 295         # 1st thing is to merge cells on the same line, this will mostly catch
 296         # consecutive nonstop cells
 297         for i in range(nb_lines):
 298             for j, cell in enumerate(grid[i]):
 299                 if grid[i][j] is None:
 300                     continue
 301                 t = 1
 302                 try:
 303                     # if the cells are identical, they are removed from the
 304                     # grid, and current cell width is increased
 305                     while grid[i][j+t] == cell:
 306                         cell.w += 1
 307                         grid[i][j+t] = None
 308                         t += 1
 309                 except IndexError:
 310                     pass
 311
 312             # once we're done we remove empty cells
 313             grid[i] = [x for x in grid[i] if x is not None]
 314
 315         # 2nd thing is to merge cells vertically, this is emissions that last
 316         # for more than 30 minutes
 317         for i in range(nb_lines):
 318             grid[i] = [x for x in grid[i] if x is not None]
 319             for j, cell in enumerate(grid[i]):
 320                 if grid[i][j] is None:
 321                     continue
 322                 t = 1
 323                 try:
 324                     while True:
 325                         # we look if the next time cell has the same emissions
 326                         same_cell_below = [(bj, x) for bj, x in enumerate(grid[i+cell.h])
 327                                            if x == cell and x.y == cell.y and x.w == cell.w]
 328                         if same_cell_below:
 329                             # if the cell was identical, we remove it and
 330                             # increase current cell height
 331                             bj, same_cell_below = same_cell_below[0]
 332                             del grid[i+cell.h][bj]
 333                             cell.h += 1
 334                         else:
 335                             # if the cell is different, we have a closer look
 336                             # to it, so we can remove emissions that will
 337                             # already be mentioned in the current cell.
 338                             #
 339                             # For example:
 340                             #  - 7am30, seuls contre tout, 1h30
 341                             #  - 8am, du pied gauche & la voix de la rue, 1h
 342                             # should produce: (this is case A)
 343                             #  |      7:30-9:00      |
 344                             #  |  seuls contre tout  |
 345                             #  |---------------------|
 346                             #  |      8:00-9:00      |
 347                             #  |   du pied gauche    |
 348                             #  |  la voix de la rue  |
 349                             #
 350                             # On the other hand, if all three emissions started
 351                             # at 7am30, we want: (this is case B)
 352                             #  |      7:30-9:00      |
 353                             #  |  seuls contre tout  |
 354                             #  |   du pied gauche    |
 355                             #  |  la voix de la rue  |
 356                             # that is we merge all of them, ignoring the fact
 357                             # that the other emissions will stop at 8am30
 358                             current_cell_schedules = set(grid[i][j].schedules)
 359                             current_cell_emissions = set([x.emission for x in current_cell_schedules])
 360                             cursor = 1
 361                             while True and current_cell_schedules:
 362                                 same_cell_below = [x for x in grid[i+cursor] if x.y == grid[i][j].y]
 363                                 if not same_cell_below:
 364                                     cursor += 1
 365                                     continue
 366                                 same_cell_below = same_cell_below[0]
 367                                 same_cell_below_emissions = set([x.emission for x in same_cell_below.schedules])
 368
 369                                 if current_cell_emissions.issubset(same_cell_below_emissions):
 370                                     # this handles case A (see comment above)
 371                                     for schedule in current_cell_schedules:
 372                                         if schedule in same_cell_below.schedules:
 373                                             same_cell_below.schedules.remove(schedule)
 374                                 elif same_cell_below_emissions and \
 375                                         current_cell_emissions.issuperset(same_cell_below_emissions):
 376                                     # this handles case B (see comment above)
 377                                     # we set the cell time label to the longest
 378                                     # period
 379                                     grid[i][j].time_label = same_cell_below.time_label
 380                                     # then we sort emissions so the longest are
 381                                     # put first
 382                                     grid[i][j].schedules.sort(
 383                                             lambda x, y: -cmp(x.get_duration(), y.get_duration()))
 384                                     # then we add individual time labels to the
 385                                     # other schedules
 386                                     for schedule in current_cell_schedules:
 387                                         if schedule not in same_cell_below.schedules:
 388                                             end_time = schedule.datetime + timedelta(
 389                                                     minutes=schedule.get_duration())
 390                                             schedule.time_label = '%02d:%02d-%02d:%02d' % (
 391                                                     schedule.datetime.hour,
 392                                                     schedule.datetime.minute,
 393                                                     end_time.hour,
 394                                                     end_time.minute)
 395                                     grid[i][j].h += 1
 396                                     grid[i+cursor].remove(same_cell_below)
 397                                 elif same_cell_below_emissions and \
 398                                         current_cell_emissions.intersection(same_cell_below_emissions):
 399                                     same_cell_below.schedules = [x for x in
 400                                             same_cell_below.schedules if
 401                                             x.emission not in
 402                                             current_cell_emissions or
 403                                             x.get_duration() < 30]
 404                                 cursor += 1
 405                             break
 406                 except IndexError:
 407                     pass
 408
 409         # cut night at 3am
 410         grid = grid[:42]
 411         times = times[:42]
 412
 413         context['grid'] = grid
 414         context['times'] = times
 415         context['categories'] = Category.objects.all()
 416         context['weekdays'] = ['Lundi', 'Mardi', 'Mercredi', 'Jeudi',
 417                 'Vendredi', 'Samedi', 'Dimanche']
 418
 419         return context
 420
 421 grid = Grid.as_view()
 422
 423
 424 class Home(TemplateView):
 425     template_name = 'home.html'
 426
 427     def get_context_data(self, **kwargs):
 428         context = super(Home, self).get_context_data(**kwargs)
 429         context['sectionName'] = "Home"
 430         context['emissions'] = Emission.objects.filter(archived=False).order_by('-creation_timestamp')[:3]
 431         context['newsitems'] = NewsItem.objects.order_by('-date')[:3]
 432
 433         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 434                 podcastable=True, fragment=False) \
 435                 .select_related().extra(select={
 436                     'first_diffusion': 'emissions_diffusion.datetime', },
 437                     select_params=(False, True),
 438                     where=['''datetime = (SELECT MIN(datetime)
 439                                             FROM emissions_diffusion
 440                                         WHERE episode_id = emissions_episode.id)'''],
 441                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:3]
 442
 443         context['newsletter_form'] = SubscribeForm()
 444
 445         return context
 446
 447 home = Home.as_view()
 448
 449 class NewsItemView(DetailView):
 450     model = NewsItem
 451     def get_context_data(self, **kwargs):
 452         context = super(NewsItemView, self).get_context_data(**kwargs)
 453         context['sectionName'] = "News"
 454         context['categories'] = NewsCategory.objects.all()
 455         context['news'] = NewsItem.objects.all().order_by('-date')
 456         return context
 457 newsitemview = NewsItemView.as_view()
 458
 459 class News(TemplateView):
 460     template_name = 'news.html'
 461     def get_context_data(self, **kwargs):
 462         context = super(News, self).get_context_data(**kwargs)
 463         context['sectionName'] = "News"
 464         context['focus'] = NewsItem.objects.filter(got_focus__isnull=False).select_related('category').order_by('-date')[:10]
 465         context['news'] = NewsItem.objects.all().order_by('-date')
 466         return context
 467
 468 news = News.as_view()
 469
 470
 471 class Agenda(TemplateView):
 472     template_name = 'agenda.html'
 473     def get_context_data(self, **kwargs):
 474         context = super(Agenda, self).get_context_data(**kwargs)
 475         context['sectionName'] = "News"
 476         context['agenda'] = NewsItem.objects.filter(
 477                 event_date__lte=date.today()).order_by('date')[:20]
 478         context['news'] = NewsItem.objects.all().order_by('-date')
 479         return context
 480
 481 agenda = Agenda.as_view()
 482
 483
 484 class Emissions(TemplateView):
 485     template_name = 'emissions.html'
 486
 487     def get_context_data(self, **kwargs):
 488         context = super(Emissions, self).get_context_data(**kwargs)
 489         context['sectionName'] = "Emissions"
 490         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=False).order_by('title')
 491         context['categories'] = Category.objects.all()
 492         return context
 493
 494 emissions = Emissions.as_view()
 495
 496 class EmissionsArchives(TemplateView):
 497     template_name = 'emissions/archives.html'
 498
 499     def get_context_data(self, **kwargs):
 500         context = super(EmissionsArchives, self).get_context_data(**kwargs)
 501         context['sectionName'] = "Emissions"
 502         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=True).order_by('title')
 503         context['categories'] = Category.objects.all()
 504         return context
 505 emissionsArchives = EmissionsArchives.as_view()
 506
 507
 508 class Listen(TemplateView):
 509     template_name = 'listen.html'
 510
 511     def get_context_data(self, **kwargs):
 512         context = super(Listen, self).get_context_data(**kwargs)
 513         context['sectionName'] = "Listen"
 514         context['focus'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 515                 podcastable=True, got_focus__isnull=False) \
 516                 .select_related().extra(select={
 517                     'first_diffusion': 'emissions_diffusion.datetime', },
 518                     select_params=(False, True),
 519                     where=['''datetime = (SELECT MIN(datetime)
 520                                             FROM emissions_diffusion
 521                                         WHERE episode_id = emissions_episode.id)'''],
 522                     tables=['emissions_diffusion'],).order_by('-first_diffusion').distinct() [:10]
 523         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 524                 podcastable=True) \
 525                 .select_related().extra(select={
 526                     'first_diffusion': 'emissions_diffusion.datetime', },
 527                     select_params=(False, True),
 528                     where=['''datetime = (SELECT MIN(datetime)
 529                                             FROM emissions_diffusion
 530                                         WHERE episode_id = emissions_episode.id)'''],
 531                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:10]
 532
 533
 534         return context
 535
 536 listen = Listen.as_view()
 537
 538 @cache_control(max_age=15)
 539 @csrf_exempt
 540 @to_json('api')
 541 def onair(request):
 542     d = whatsonair()
 543     if d.get('episode'):
 544         d['episode'] = {
 545             'title': d['episode'].title,
 546             'url': d['episode'].get_absolute_url()
 547         }
 548     if d.get('emission'):
 549         d['emission'] = {
 550             'title': d['emission'].title,
 551             'url': d['emission'].get_absolute_url()
 552         }
 553     if d.get('nonstop'):
 554         d['nonstop'] = {
 555             'title': d['nonstop'].title,
 556         }
 557         d.update(get_current_nonstop_track())
 558     if d.get('current_slot'):
 559         del d['current_slot']
 560     return d
 561
 562
 563 class NewsItemDetailView(DetailView):
 564     model = NewsItem
 565
 566 newsitem = NewsItemDetailView.as_view()
 567
 568
 569 class PodcastsFeed(Feed):
 570     title = 'Radio Panik - Podcasts'
 571     link = '/'
 572     description_template = 'feed/soundfile.html'
 573
 574     def items(self):
 575         return SoundFile.objects.select_related().filter(
 576                 podcastable=True).order_by('-creation_timestamp')[:5]
 577
 578     def item_title(self, item):
 579         if item.fragment:
 580             return '%s - %s' % (item.title, item.episode.title)
 581         return item.episode.title
 582
 583     def item_link(self, item):
 584         return item.episode.get_absolute_url()
 585
 586     def item_enclosure_url(self, item):
 587         current_site = Site.objects.get(id=settings.SITE_ID)
 588         return add_domain(current_site.domain, item.get_format_url('mp3'))
 589
 590     def item_enclosure_length(self, item):
 591         sound_path = item.get_format_path('mp3')
 592         try:
 593             return os.stat(sound_path)[stat.ST_SIZE]
 594         except OSError:
 595             return 0
 596
 597     def item_enclosure_mime_type(self, item):
 598         return 'audio/mpeg'
 599
 600     def item_pubdate(self, item):
 601         return item.creation_timestamp
 602
 603 podcasts_feed = PodcastsFeed()
 604
 605
 606 class RssNewsFeed(Feed):
 607     title = 'Radio Panik'
 608     link = '/news/'
 609     description_template = 'feed/newsitem.html'
 610
 611     def items(self):
 612         return NewsItem.objects.order_by('-date')[:10]
 613
 614 rss_news_feed = RssNewsFeed()
 615
 616 class AtomNewsFeed(RssNewsFeed):
 617     feed_type = Atom1Feed
 618
 619 atom_news_feed = AtomNewsFeed()
 620
 621
 622
 623 class Party(TemplateView):
 624     template_name = 'party.html'
 625
 626     def get_context_data(self, **kwargs):
 627         context = super(Party, self).get_context_data(**kwargs)
 628         t = random.choice(['newsitem']*2 + ['emission']*3 + ['soundfile']*1 + ['episode']*2)
 629         focus = Focus()
 630         if t == 'newsitem':
 631             focus.newsitem = NewsItem.objects.exclude(
 632                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 633         elif t == 'emission':
 634             focus.emission = Emission.objects.exclude(
 635                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 636         elif t == 'episode':
 637             focus.episode = Episode.objects.exclude(
 638                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 639         elif t == 'soundfile':
 640             focus.soundfile = SoundFile.objects.exclude(
 641                     episode__image__isnull=True).exclude(episode__image__exact='').order_by('?')[0]
 642
 643         context['focus'] = focus
 644
 645         return context
 646
 647 party = Party.as_view()