panikweb/views.py

   1 # coding: utf-8
   2
   3 from datetime import datetime, timedelta, date
   4 import math
   5 import random
   6 import os
   7 import stat
   8 import time
   9 import urlparse
  10
  11 from django.core.urlresolvers import reverse
  12 from django.conf import settings
  13 from django.http import Http404
  14 from django.views.decorators.cache import cache_control
  15 from django.views.generic.base import TemplateView
  16 from django.views.generic.detail import DetailView
  17 from django.views.decorators.csrf import csrf_exempt
  18 from django.views.generic.dates import _date_from_string
  19 from django.views.generic.dates import MonthArchiveView
  20
  21 from django.core.paginator import Paginator
  22
  23 from django.contrib.sites.models import Site
  24 from django.contrib.syndication.views import Feed, add_domain
  25 from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
  26
  27 from haystack.query import SearchQuerySet
  28 from jsonresponse import to_json
  29
  30 from emissions.models import Category, Emission, Episode, Diffusion, SoundFile, \
  31         Schedule, Nonstop, NewsItem, NewsCategory, Focus
  32
  33 from emissions.utils import whatsonair, period_program
  34
  35 from newsletter.forms import SubscribeForm
  36 from nonstop.utils import get_current_nonstop_track
  37 from nonstop.models import SomaLogLine
  38
  39 from panikombo.models import ItemTopik
  40
  41 from . import utils
  42
  43
  44 class EmissionMixin:
  45     def get_emission_context(self, emission, episode_ids=None):
  46         context = {}
  47
  48         # get all episodes, with an additional attribute to get the date of
  49         # their first diffusion
  50         episodes_queryset = Episode.objects.select_related()
  51         if episode_ids is not None:
  52             episodes_queryset = episodes_queryset.filter(id__in=episode_ids)
  53         else:
  54             episodes_queryset = episodes_queryset.filter(emission=emission)
  55
  56         context['episodes'] = \
  57                 episodes_queryset.extra(select={
  58                         'first_diffusion': 'emissions_diffusion.datetime',
  59                         },
  60                         select_params=(False, True),
  61                         where=['''datetime = (SELECT MIN(datetime)
  62                                                 FROM emissions_diffusion
  63                                                WHERE episode_id = emissions_episode.id
  64                                                  AND datetime <= CURRENT_TIMESTAMP)'''],
  65                         tables=['emissions_diffusion'],
  66                     ).order_by('-first_diffusion').distinct()
  67
  68         context['futurEpisodes'] = \
  69                 episodes_queryset.extra(select={
  70                         'first_diffusion': 'emissions_diffusion.datetime',
  71                         },
  72                         select_params=(False, True),
  73                         where=['''datetime = (SELECT MIN(datetime)
  74                                                 FROM emissions_diffusion
  75                                                WHERE episode_id = emissions_episode.id
  76                                                  AND datetime > CURRENT_TIMESTAMP)'''],
  77                         tables=['emissions_diffusion'],
  78                     ).order_by('first_diffusion').distinct()
  79
  80         context['all_episodes'] = \
  81                 episodes_queryset.extra(select={
  82                         'first_diffusion': 'emissions_diffusion.datetime',
  83                         },
  84                         select_params=(False, True),
  85                         where=['''datetime = (SELECT MIN(datetime)
  86                                                 FROM emissions_diffusion
  87                                                WHERE episode_id = emissions_episode.id
  88                                              )'''],
  89                         tables=['emissions_diffusion'],
  90                     ).order_by('first_diffusion')
  91
  92         # get all related soundfiles in a single query
  93         soundfiles = {}
  94         if episode_ids is not None:
  95             for episode_id in episode_ids:
  96                 soundfiles[episode_id] = None
  97         else:
  98             for episode in Episode.objects.filter(emission=emission):
  99                 soundfiles[episode.id] = None
 100
 101         for soundfile in SoundFile.objects.select_related().filter(podcastable=True,
 102                 fragment=False, episode__emission=emission):
 103             soundfiles[soundfile.episode_id] = soundfile
 104
 105         Episode.set_prefetched_soundfiles(soundfiles)
 106
 107         #context['futurEpisodes'] = context['episodes'].filter(first_diffusion='2013')[0:3]
 108
 109         return context
 110
 111
 112 class EmissionDetailView(DetailView, EmissionMixin):
 113     model = Emission
 114
 115     def get_context_data(self, **kwargs):
 116         context = super(EmissionDetailView, self).get_context_data(**kwargs)
 117         context['schedules'] = Schedule.objects.select_related().filter(
 118                 emission=self.object).order_by('rerun', 'datetime')
 119         context['news'] = NewsItem.objects.all().filter(emission=self.object.id).order_by('-date')[:3]
 120         try:
 121             nonstop_object = Nonstop.objects.get(slug=self.object.slug)
 122         except Nonstop.DoesNotExist:
 123             pass
 124         else:
 125             today = date.today()
 126             dates = [today - timedelta(days=x) for x in range(7)]
 127             if datetime.now().time() < nonstop_object.start:
 128                 dates = dates[1:]
 129             context['nonstop'] = nonstop_object
 130             context['nonstop_dates'] = dates
 131         context.update(self.get_emission_context(self.object))
 132         return context
 133 emission = EmissionDetailView.as_view()
 134
 135 class EpisodeDetailView(DetailView, EmissionMixin):
 136     model = Episode
 137
 138     def get_context_data(self, **kwargs):
 139         context = super(EpisodeDetailView, self).get_context_data(**kwargs)
 140         context['diffusions'] = Diffusion.objects.select_related().filter(
 141                 episode=self.object.id).order_by('datetime')
 142         try:
 143             context['emission'] = context['episode'].emission
 144         except Emission.DoesNotExist:
 145             raise Http404()
 146         if self.kwargs.get('emission_slug') != context['emission'].slug:
 147             raise Http404()
 148         context.update(self.get_emission_context(context['emission']))
 149         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(episode=self.object)]
 150         return context
 151 episode = EpisodeDetailView.as_view()
 152
 153
 154 class NonstopPlaylistView(TemplateView):
 155     template_name = 'nonstop_playlist.html'
 156
 157     def get_context_data(self, **kwargs):
 158         context = super(NonstopPlaylistView, self).get_context_data(**kwargs)
 159         try:
 160             context['emission'] = Emission.objects.get(slug=kwargs.get('slug'))
 161         except Emission.DoesNotExist:
 162             raise Http404()
 163         context['date'] = date(int(kwargs.get('year')),
 164                 int(kwargs.get('month')), int(kwargs.get('day')))
 165         context['future'] = (context['date'] >= date.today())
 166
 167         nonstop_object = Nonstop.objects.get(slug=kwargs.get('slug'))
 168         start = datetime(
 169                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 170                 nonstop_object.start.hour, nonstop_object.start.minute)
 171         end = datetime(
 172                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 173                 nonstop_object.end.hour, nonstop_object.end.minute)
 174         if end < start:
 175             end = end + timedelta(days=1)
 176         context['tracks'] = SomaLogLine.objects.filter(
 177                 play_timestamp__gte=start,
 178                 play_timestamp__lte=end,
 179                 on_air=True).select_related()
 180         return context
 181
 182 nonstop_playlist = NonstopPlaylistView.as_view()
 183
 184 class EmissionEpisodesDetailView(DetailView, EmissionMixin):
 185     model = Emission
 186     template_name = 'emissions/episodes.html'
 187
 188     def get_context_data(self, **kwargs):
 189         context = super(EmissionEpisodesDetailView, self).get_context_data(**kwargs)
 190         context['schedules'] = Schedule.objects.select_related().filter(
 191                 emission=self.object).order_by('rerun', 'datetime')
 192
 193         context['search_query'] = self.request.GET.get('q')
 194         if context['search_query']:
 195             # query string
 196             sqs = SearchQuerySet().models(Episode).filter(
 197                     emission_slug_exact=self.object.slug, text=context['search_query'])
 198             episode_ids = [x.pk for x in sqs]
 199         else:
 200             episode_ids = None
 201
 202         context.update(self.get_emission_context(self.object, episode_ids=episode_ids))
 203         return context
 204 emissionEpisodes = EmissionEpisodesDetailView.as_view()
 205
 206
 207 class SoundFileEmbedView(DetailView):
 208     model = SoundFile
 209     template_name = 'soundfiles/embed.html'
 210
 211     def get_context_data(self, **kwargs):
 212         context = super(SoundFileEmbedView, self).get_context_data(**kwargs)
 213         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 214             raise Http404()
 215         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 216             raise Http404()
 217         context['episode'] = self.object.episode
 218         return context
 219 soundfile_embed = SoundFileEmbedView.as_view()
 220
 221
 222 class SoundFileDialogEmbedView(DetailView):
 223     model = SoundFile
 224     template_name = 'soundfiles/dialog-embed.html'
 225
 226     def get_context_data(self, **kwargs):
 227         context = super(SoundFileDialogEmbedView, self).get_context_data(**kwargs)
 228         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 229             raise Http404()
 230         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 231             raise Http404()
 232         context['episode'] = self.object.episode
 233         return context
 234 soundfile_dlg_embed = SoundFileDialogEmbedView.as_view()
 235
 236
 237
 238 class ProgramView(TemplateView):
 239     template_name = 'program.html'
 240
 241     def get_context_data(self, year=None, week=None, **kwargs):
 242         context = super(ProgramView, self).get_context_data(**kwargs)
 243
 244         context['weekday'] = datetime.today().weekday()
 245
 246         context['week'] = week = int(week) if week is not None else datetime.today().isocalendar()[1]
 247         context['year'] = year = int(year) if year is not None else datetime.today().isocalendar()[0]
 248         context['week_first_day'] = utils.tofirstdayinisoweek(year, week)
 249         context['week_last_day'] = context['week_first_day'] + timedelta(days=6)
 250
 251         return context
 252
 253 program = ProgramView.as_view()
 254
 255 class TimeCell:
 256     nonstop = None
 257     w = 1
 258     h = 1
 259     time_label = None
 260
 261     def __init__(self, i, j):
 262         self.x = i
 263         self.y = j
 264         self.schedules = []
 265
 266     def add_schedule(self, schedule):
 267         end_time = schedule.datetime + timedelta(
 268                 minutes=schedule.get_duration())
 269         self.time_label = '%02d:%02d-%02d:%02d' % (
 270                 schedule.datetime.hour,
 271                 schedule.datetime.minute,
 272                 end_time.hour,
 273                 end_time.minute)
 274         self.schedules.append(schedule)
 275
 276     def __unicode__(self):
 277         if self.schedules:
 278             return ', '.join([x.emission.title for x in self.schedules])
 279         else:
 280             return self.nonstop
 281
 282     def __eq__(self, other):
 283         return (unicode(self) == unicode(other) and self.time_label == other.time_label)
 284
 285
 286 class Grid(TemplateView):
 287     template_name = 'grid.html'
 288
 289     def get_context_data(self, **kwargs):
 290         context = super(Grid, self).get_context_data(**kwargs)
 291
 292         nb_lines = 2 * 24 # the cells are half hours
 293         grid = []
 294
 295         times = ['%02d:%02d' % (x/2, x%2*30) for x in range(nb_lines)]
 296         # start grid after the night programs
 297         times = times[2*Schedule.DAY_HOUR_START:] + times[:2*Schedule.DAY_HOUR_START]
 298
 299         nonstops = []
 300         for nonstop in Nonstop.objects.all():
 301             if nonstop.start == nonstop.end:
 302                 continue
 303             if nonstop.start < nonstop.end:
 304                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 305                                  nonstop.end.hour + nonstop.end.minute/60.,
 306                                  nonstop.title, nonstop.slug])
 307             else:
 308                 # crossing midnight
 309                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 310                                  24,
 311                                  nonstop.title, nonstop.slug])
 312                 nonstops.append([0,
 313                                  nonstop.end.hour + nonstop.end.minute/60.,
 314                                  nonstop.title, nonstop.slug])
 315         nonstops.sort()
 316
 317         for i in range(nb_lines):
 318             grid.append([])
 319             for j in range(7):
 320                 grid[-1].append(TimeCell(i, j))
 321
 322             nonstop = [x for x in nonstops if i>=x[0]*2 and i<x[1]*2][0]
 323             for time_cell in grid[-1]:
 324                 time_cell.nonstop = nonstop[2]
 325                 time_cell.nonstop_slug = nonstop[3]
 326                 if nonstop[1] == 5:
 327                     # the one ending at 5am will be cut down, so we inscribe
 328                     # its duration manually
 329                     time_cell.time_label = '%02d:00-%02d:00' % (
 330                             nonstop[0], nonstop[1])
 331
 332         for schedule in Schedule.objects.prefetch_related(
 333                 'emission__categories').select_related().order_by('datetime'):
 334             row_start = schedule.datetime.hour * 2 + \
 335                     int(math.ceil(schedule.datetime.minute / 30))
 336             day_no = schedule.get_weekday()
 337
 338             for step in range(int(math.ceil(schedule.get_duration() / 30.))):
 339                 if grid[(row_start+step)%nb_lines][day_no] is None:
 340                     grid[(row_start+step)%nb_lines][day_no] = TimeCell()
 341                 grid[(row_start+step)%nb_lines][day_no].add_schedule(schedule)
 342
 343         # start grid after the night programs
 344         grid = grid[2*Schedule.DAY_HOUR_START:] + grid[:2*Schedule.DAY_HOUR_START]
 345
 346         # look for the case where the same emission has different schedules for
 347         # the same time cell, for example if it lasts one hour the first week,
 348         # and two hours the third week.
 349         for i in range(nb_lines):
 350             grid[i] = [x for x in grid[i] if x is not None]
 351             for j, cell in enumerate(grid[i]):
 352                 if grid[i][j] is None:
 353                     continue
 354                 if len(grid[i][j].schedules) > 1:
 355                     time_cell_emissions = {}
 356                     for schedule in grid[i][j].schedules:
 357                         if not schedule.emission.id in time_cell_emissions:
 358                             time_cell_emissions[schedule.emission.id] = []
 359                         time_cell_emissions[schedule.emission.id].append(schedule)
 360                     for schedule_list in time_cell_emissions.values():
 361                         if len(schedule_list) == 1:
 362                             continue
 363                         # here it is, same cell, same emission, several
 364                         # schedules
 365                         schedule_list.sort(lambda x,y: cmp(x.get_duration(), y.get_duration()))
 366
 367                         schedule = schedule_list[0]
 368                         end_time = schedule.datetime + timedelta(
 369                                 minutes=schedule.get_duration())
 370                         grid[i][j].time_label = '%02d:%02d-%02d:%02d' % (
 371                                 schedule.datetime.hour,
 372                                 schedule.datetime.minute,
 373                                 end_time.hour,
 374                                 end_time.minute)
 375
 376                         for schedule in schedule_list[1:]:
 377                             grid[i][j].schedules.remove(schedule)
 378                             end_time = schedule.datetime + timedelta(minutes=schedule.get_duration())
 379                             schedule_list[0].time_label_extra = ', -%02d:%02d %s' % (
 380                                     end_time.hour, end_time.minute, schedule.weeks_string)
 381
 382         # merge adjacent
 383
 384         # 1st thing is to merge cells on the same line, this will mostly catch
 385         # consecutive nonstop cells
 386         for i in range(nb_lines):
 387             for j, cell in enumerate(grid[i]):
 388                 if grid[i][j] is None:
 389                     continue
 390                 t = 1
 391                 try:
 392                     # if the cells are identical, they are removed from the
 393                     # grid, and current cell width is increased
 394                     while grid[i][j+t] == cell:
 395                         cell.w += 1
 396                         grid[i][j+t] = None
 397                         t += 1
 398                 except IndexError:
 399                     pass
 400
 401             # once we're done we remove empty cells
 402             grid[i] = [x for x in grid[i] if x is not None]
 403
 404         # 2nd thing is to merge cells vertically, this is emissions that last
 405         # for more than 30 minutes
 406         for i in range(nb_lines):
 407             grid[i] = [x for x in grid[i] if x is not None]
 408             for j, cell in enumerate(grid[i]):
 409                 if grid[i][j] is None:
 410                     continue
 411                 t = 1
 412                 try:
 413                     while True:
 414                         # we look if the next time cell has the same emissions
 415                         same_cell_below = [(bj, x) for bj, x in enumerate(grid[i+cell.h])
 416                                            if x == cell and x.y == cell.y and x.w == cell.w]
 417                         if same_cell_below:
 418                             # if the cell was identical, we remove it and
 419                             # increase current cell height
 420                             bj, same_cell_below = same_cell_below[0]
 421                             del grid[i+cell.h][bj]
 422                             cell.h += 1
 423                         else:
 424                             # if the cell is different, we have a closer look
 425                             # to it, so we can remove emissions that will
 426                             # already be mentioned in the current cell.
 427                             #
 428                             # For example:
 429                             #  - 7am30, seuls contre tout, 1h30
 430                             #  - 8am, du pied gauche & la voix de la rue, 1h
 431                             # should produce: (this is case A)
 432                             #  |      7:30-9:00      |
 433                             #  |  seuls contre tout  |
 434                             #  |---------------------|
 435                             #  |      8:00-9:00      |
 436                             #  |   du pied gauche    |
 437                             #  |  la voix de la rue  |
 438                             #
 439                             # On the other hand, if all three emissions started
 440                             # at 7am30, we want: (this is case B)
 441                             #  |      7:30-9:00      |
 442                             #  |  seuls contre tout  |
 443                             #  |   du pied gauche    |
 444                             #  |  la voix de la rue  |
 445                             # that is we merge all of them, ignoring the fact
 446                             # that the other emissions will stop at 8am30
 447                             current_cell_schedules = set(grid[i][j].schedules)
 448                             current_cell_emissions = set([x.emission for x in current_cell_schedules])
 449                             cursor = 1
 450                             while True and current_cell_schedules:
 451                                 same_cell_below = [x for x in grid[i+cursor] if x.y == grid[i][j].y]
 452                                 if not same_cell_below:
 453                                     cursor += 1
 454                                     continue
 455                                 same_cell_below = same_cell_below[0]
 456                                 same_cell_below_emissions = set([x.emission for x in same_cell_below.schedules])
 457
 458                                 if current_cell_emissions.issubset(same_cell_below_emissions):
 459                                     # this handles case A (see comment above)
 460                                     for schedule in current_cell_schedules:
 461                                         if schedule in same_cell_below.schedules:
 462                                             same_cell_below.schedules.remove(schedule)
 463                                 elif same_cell_below_emissions and \
 464                                         current_cell_emissions.issuperset(same_cell_below_emissions):
 465                                     # this handles case B (see comment above)
 466                                     # we set the cell time label to the longest
 467                                     # period
 468                                     grid[i][j].time_label = same_cell_below.time_label
 469                                     # then we sort emissions so the longest are
 470                                     # put first
 471                                     grid[i][j].schedules.sort(
 472                                             lambda x, y: -cmp(x.get_duration(), y.get_duration()))
 473                                     # then we add individual time labels to the
 474                                     # other schedules
 475                                     for schedule in current_cell_schedules:
 476                                         if schedule not in same_cell_below.schedules:
 477                                             end_time = schedule.datetime + timedelta(
 478                                                     minutes=schedule.get_duration())
 479                                             schedule.time_label = '%02d:%02d-%02d:%02d' % (
 480                                                     schedule.datetime.hour,
 481                                                     schedule.datetime.minute,
 482                                                     end_time.hour,
 483                                                     end_time.minute)
 484                                     grid[i][j].h += 1
 485                                     grid[i+cursor].remove(same_cell_below)
 486                                 elif same_cell_below_emissions and \
 487                                         current_cell_emissions.intersection(same_cell_below_emissions):
 488                                     same_cell_below.schedules = [x for x in
 489                                             same_cell_below.schedules if
 490                                             x.emission not in
 491                                             current_cell_emissions or
 492                                             x.get_duration() < 30]
 493                                 cursor += 1
 494                             break
 495                 except IndexError:
 496                     pass
 497
 498         # cut night at 3am
 499         grid = grid[:42]
 500         times = times[:42]
 501
 502         context['grid'] = grid
 503         context['times'] = times
 504         context['categories'] = Category.objects.all()
 505         context['weekdays'] = ['Lundi', 'Mardi', 'Mercredi', 'Jeudi',
 506                 'Vendredi', 'Samedi', 'Dimanche']
 507
 508         return context
 509
 510 grid = Grid.as_view()
 511
 512
 513 class Home(TemplateView):
 514     template_name = 'home.html'
 515
 516     def get_context_data(self, **kwargs):
 517         context = super(Home, self).get_context_data(**kwargs)
 518         context['emissions'] = Emission.objects.filter(archived=False).order_by('title')
 519         context['newsitems'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')[:3]
 520
 521         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 522                 podcastable=True, fragment=False) \
 523                 .select_related().extra(select={
 524                     'first_diffusion': 'emissions_diffusion.datetime', },
 525                     select_params=(False, True),
 526                     where=['''datetime = (SELECT MIN(datetime)
 527                                             FROM emissions_diffusion
 528                                         WHERE episode_id = emissions_episode.id)'''],
 529                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:3]
 530
 531         context['newsletter_form'] = SubscribeForm()
 532
 533         return context
 534
 535 home = Home.as_view()
 536
 537 class NewsItemView(DetailView):
 538     model = NewsItem
 539     def get_context_data(self, **kwargs):
 540         context = super(NewsItemView, self).get_context_data(**kwargs)
 541         context['categories'] = NewsCategory.objects.all()
 542         context['news'] = NewsItem.objects.all().order_by('-date')
 543         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(newsitem=self.object)]
 544         return context
 545 newsitemview = NewsItemView.as_view()
 546
 547 class News(TemplateView):
 548     template_name = 'news.html'
 549     def get_context_data(self, **kwargs):
 550         context = super(News, self).get_context_data(**kwargs)
 551         context['focus'] = NewsItem.objects.exclude(date__gt=date.today()).filter(got_focus__isnull=False).select_related('category').order_by('-date')[:10]
 552         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 553         return context
 554
 555 news = News.as_view()
 556
 557
 558 class Agenda(TemplateView):
 559     template_name = 'agenda.html'
 560     def get_context_data(self, **kwargs):
 561         context = super(Agenda, self).get_context_data(**kwargs)
 562         context['agenda'] = NewsItem.objects.exclude(date__gt=date.today()).filter(
 563                 event_date__gte=date.today()).order_by('date')[:20]
 564         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 565         context['previous_month'] = datetime.today().replace(day=1) - timedelta(days=2)
 566         return context
 567
 568 agenda = Agenda.as_view()
 569
 570
 571 class AgendaByMonth(MonthArchiveView):
 572     template_name = 'agenda.html'
 573     queryset = NewsItem.objects.filter(event_date__isnull=False)
 574     allow_future = True
 575     date_field = 'event_date'
 576     month_format = '%m'
 577
 578     def get_context_data(self, **kwargs):
 579         context = super(AgendaByMonth, self).get_context_data(**kwargs)
 580         context['agenda'] = context['object_list']
 581         context['news'] = NewsItem.objects.all().order_by('-date')
 582         return context
 583
 584 agenda_by_month = AgendaByMonth.as_view()
 585
 586
 587 class Emissions(TemplateView):
 588     template_name = 'emissions.html'
 589
 590     def get_context_data(self, **kwargs):
 591         context = super(Emissions, self).get_context_data(**kwargs)
 592         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=False).order_by('title')
 593         context['categories'] = Category.objects.all()
 594         return context
 595
 596 emissions = Emissions.as_view()
 597
 598 class EmissionsArchives(TemplateView):
 599     template_name = 'emissions/archives.html'
 600
 601     def get_context_data(self, **kwargs):
 602         context = super(EmissionsArchives, self).get_context_data(**kwargs)
 603         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=True).order_by('title')
 604         context['categories'] = Category.objects.all()
 605         return context
 606 emissionsArchives = EmissionsArchives.as_view()
 607
 608
 609 class Listen(TemplateView):
 610     template_name = 'listen.html'
 611
 612     def get_context_data(self, **kwargs):
 613         context = super(Listen, self).get_context_data(**kwargs)
 614         context['focus'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 615                 podcastable=True, got_focus__isnull=False) \
 616                 .select_related().extra(select={
 617                     'first_diffusion': 'emissions_diffusion.datetime', },
 618                     select_params=(False, True),
 619                     where=['''datetime = (SELECT MIN(datetime)
 620                                             FROM emissions_diffusion
 621                                         WHERE episode_id = emissions_episode.id)'''],
 622                     tables=['emissions_diffusion'],).order_by('-first_diffusion').distinct() [:10]
 623         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 624                 podcastable=True) \
 625                 .select_related().extra(select={
 626                     'first_diffusion': 'emissions_diffusion.datetime', },
 627                     select_params=(False, True),
 628                     where=['''datetime = (SELECT MIN(datetime)
 629                                             FROM emissions_diffusion
 630                                         WHERE episode_id = emissions_episode.id)'''],
 631                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct()
 632
 633
 634         return context
 635
 636 listen = Listen.as_view()
 637
 638 @cache_control(max_age=15)
 639 @csrf_exempt
 640 @to_json('api')
 641 def onair(request):
 642     if date.today() < date(2017, 8, 3):
 643         return {'emission': {'title': 'À partir du 3 août 17h', 'url': '/'}}
 644     d = whatsonair()
 645     if d.get('episode'):
 646         d['episode'] = {
 647             'title': d['episode'].title,
 648             'url': d['episode'].get_absolute_url()
 649         }
 650     if d.get('emission'):
 651         chat_url = None
 652         if d['emission'].chat_open:
 653             chat_url = reverse('emission-chat', kwargs={'slug': d['emission'].slug})
 654         d['emission'] = {
 655             'title': d['emission'].title,
 656             'url': d['emission'].get_absolute_url(),
 657             'chat': chat_url,
 658         }
 659     if d.get('nonstop'):
 660         d['nonstop'] = {
 661             'title': d['nonstop'].title,
 662         }
 663         d.update(get_current_nonstop_track())
 664     if d.get('current_slot'):
 665         del d['current_slot']
 666     return d
 667
 668
 669 class NewsItemDetailView(DetailView):
 670     model = NewsItem
 671
 672 newsitem = NewsItemDetailView.as_view()
 673
 674 class RssCustomPodcastsFeed(Rss201rev2Feed):
 675     def add_root_elements(self, handler):
 676         super(RssCustomPodcastsFeed, self).add_root_elements(handler)
 677         emission = self.feed.get('emission')
 678         if emission and emission.image and emission.image.url:
 679             image_url = emission.image.url
 680         else:
 681             image_url = '/static/img/logo-panik-500.png'
 682         image_url = urlparse.urljoin(self.feed['link'], image_url)
 683         handler.startElement('image', {})
 684         if emission:
 685             handler.addQuickElement('title', emission.title)
 686         else:
 687             handler.addQuickElement('title', 'Radio Esperanzah!')
 688         handler.addQuickElement('url', image_url)
 689         handler.endElement('image')
 690         handler.addQuickElement('itunes:image', None, {'href': image_url})
 691         if emission and emission.subtitle:
 692             handler.addQuickElement('itunes:subtitle', emission.subtitle)
 693
 694     def root_attributes(self):
 695         attrs = super(RssCustomPodcastsFeed, self).root_attributes()
 696         attrs['xmlns:dc'] = 'http://purl.org/dc/elements/1.1/'
 697         attrs['xmlns:itunes'] = 'http://www.itunes.com/dtds/podcast-1.0.dtd'
 698         return attrs
 699
 700     def add_item_elements(self, handler, item):
 701         super(RssCustomPodcastsFeed, self).add_item_elements(handler, item)
 702         explicit = 'no'
 703         for tag in item.get('tags') or []:
 704             handler.addQuickElement('dc:subject', tag)
 705             if tag == 'explicit':
 706                 explicit = 'yes'
 707         if item.get('tags'):
 708             handler.addQuickElement('itunes:keywords', ','.join(item.get('tags')))
 709         handler.addQuickElement('itunes:explicit', explicit)
 710         episode = item.get('episode')
 711         if episode and episode.image and episode.image.url:
 712             image_url = urlparse.urljoin(self.feed['link'], episode.image.url)
 713             handler.addQuickElement('itunes:image', None, {'href': image_url})
 714         soundfile = item.get('soundfile')
 715         if soundfile.duration:
 716             handler.addQuickElement('itunes:duration', '%02d:%02d:%02d' % (
 717                 soundfile.duration / 3600,
 718                 soundfile.duration % 3600 / 60,
 719                 soundfile.duration % 60))
 720
 721
 722 class PodcastsFeed(Feed):
 723     title = 'Radio Esperanzah! - Podcasts'
 724     link = '/'
 725     description_template = 'feed/soundfile.html'
 726     feed_type = RssCustomPodcastsFeed
 727
 728     def items(self):
 729         return SoundFile.objects.select_related().filter(
 730                 podcastable=True).order_by('-creation_timestamp')[:20]
 731
 732     def item_title(self, item):
 733         if item.fragment:
 734             return '%s - %s' % (item.title, item.episode.title)
 735         return '%s - %s' % (item.episode.emission.title, item.episode.title)
 736
 737     def item_link(self, item):
 738         return item.episode.get_absolute_url()
 739
 740     def item_enclosure_url(self, item):
 741         current_site = Site.objects.get(id=settings.SITE_ID)
 742         return add_domain(current_site.domain, item.get_format_url('mp3'))
 743
 744     def item_enclosure_length(self, item):
 745         sound_path = item.get_format_path('mp3')
 746         try:
 747             return os.stat(sound_path)[stat.ST_SIZE]
 748         except OSError:
 749             return 0
 750
 751     def item_enclosure_mime_type(self, item):
 752         return 'audio/mpeg'
 753
 754     def item_pubdate(self, item):
 755         return item.creation_timestamp
 756
 757     def item_extra_kwargs(self, item):
 758         return {'tags': [x.name for x in item.episode.tags.all()],
 759                 'soundfile': item,
 760                 'episode': item.episode}
 761
 762 podcasts_feed = PodcastsFeed()
 763
 764
 765 class RssNewsFeed(Feed):
 766     title = 'Radio Esperanzah!'
 767     link = '/news/'
 768     description_template = 'feed/newsitem.html'
 769
 770     def items(self):
 771         return NewsItem.objects.order_by('-date')[:20]
 772
 773 rss_news_feed = RssNewsFeed()
 774
 775 class Atom1FeedWithBaseXml(Atom1Feed):
 776     def root_attributes(self):
 777         root_attributes = super(Atom1FeedWithBaseXml, self).root_attributes()
 778         scheme, netloc, path, params, query, fragment  = urlparse.urlparse(self.feed['feed_url'])
 779         root_attributes['xml:base'] = urlparse.urlunparse((scheme, netloc, '/', params, query, fragment))
 780         return root_attributes
 781
 782 class AtomNewsFeed(RssNewsFeed):
 783     feed_type = Atom1FeedWithBaseXml
 784
 785 atom_news_feed = AtomNewsFeed()
 786
 787
 788 class EmissionPodcastsFeed(PodcastsFeed):
 789     description_template = 'feed/soundfile.html'
 790     feed_type = RssCustomPodcastsFeed
 791
 792     def __call__(self, request, *args, **kwargs):
 793         self.emission = Emission.objects.get(slug=kwargs.get('slug'))
 794         return super(EmissionPodcastsFeed, self).__call__(request, *args, **kwargs)
 795
 796     @property
 797     def title(self):
 798         return '%s - Podcasts' % self.emission.title
 799
 800     @property
 801     def link(self):
 802         return reverse('emission-view', kwargs={'slug': self.emission.slug})
 803
 804     def feed_extra_kwargs(self, obj):
 805         return {'emission': self.emission}
 806
 807     def items(self):
 808         return SoundFile.objects.select_related().filter(
 809                 podcastable=True,
 810                 episode__emission__slug=self.emission.slug).order_by('-creation_timestamp')[:20]
 811
 812 emission_podcasts_feed = EmissionPodcastsFeed()
 813
 814
 815 class Party(TemplateView):
 816     template_name = 'party.html'
 817
 818     def get_context_data(self, **kwargs):
 819         context = super(Party, self).get_context_data(**kwargs)
 820         t = random.choice(['newsitem']*2 + ['emission']*3 + ['soundfile']*1 + ['episode']*2)
 821         focus = Focus()
 822         if t == 'newsitem':
 823             focus.newsitem = NewsItem.objects.exclude(
 824                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 825         elif t == 'emission':
 826             focus.emission = Emission.objects.exclude(
 827                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 828         elif t == 'episode':
 829             focus.episode = Episode.objects.exclude(
 830                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 831         elif t == 'soundfile':
 832             focus.soundfile = SoundFile.objects.exclude(
 833                     episode__image__isnull=True).exclude(episode__image__exact='').order_by('?')[0]
 834
 835         context['focus'] = focus
 836
 837         return context
 838
 839 party = Party.as_view()
 840
 841
 842
 843 class Chat(DetailView, EmissionMixin):
 844     model = Emission
 845     template_name = 'chat.html'
 846
 847 chat = cache_control(max_age=15)(Chat.as_view())