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.core.urlresolvers import reverse
   9 from django.conf import settings
  10 from django.http import Http404, JsonResponse
  11 from django.utils.encoding import force_text
  12 from django.utils.encoding import python_2_unicode_compatible
  13 from django.utils.six.moves.urllib import parse as urlparse
  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
  29 from emissions.models import Category, Emission, Episode, Diffusion, SoundFile, \
  30         Schedule, Nonstop, NewsItem, NewsCategory, Focus
  31
  32 from emissions.utils import whatsonair, period_program
  33
  34 from newsletter.forms import SubscribeForm
  35 from nonstop.utils import get_current_nonstop_track
  36 from nonstop.models import SomaLogLine
  37
  38 from panikombo.models import ItemTopik
  39
  40 from . import utils
  41
  42
  43 class EmissionMixin:
  44     def get_emission_context(self, emission, episode_ids=None):
  45         context = {}
  46
  47         # get all episodes, with an additional attribute to get the date of
  48         # their first diffusion
  49         episodes_queryset = Episode.objects.select_related()
  50         if episode_ids is not None:
  51             episodes_queryset = episodes_queryset.filter(id__in=episode_ids)
  52         else:
  53             episodes_queryset = episodes_queryset.filter(emission=emission)
  54
  55         context['episodes'] = \
  56                 episodes_queryset.extra(select={
  57                         'first_diffusion': 'emissions_diffusion.datetime',
  58                         },
  59                         select_params=(False, True),
  60                         where=['''datetime = (SELECT MIN(datetime)
  61                                                 FROM emissions_diffusion
  62                                                WHERE episode_id = emissions_episode.id
  63                                                  AND datetime <= CURRENT_TIMESTAMP)'''],
  64                         tables=['emissions_diffusion'],
  65                     ).order_by('-first_diffusion').distinct()
  66
  67         context['futurEpisodes'] = \
  68                 episodes_queryset.extra(select={
  69                         'first_diffusion': 'emissions_diffusion.datetime',
  70                         },
  71                         select_params=(False, True),
  72                         where=['''datetime = (SELECT MIN(datetime)
  73                                                 FROM emissions_diffusion
  74                                                WHERE episode_id = emissions_episode.id
  75                                                  AND datetime > CURRENT_TIMESTAMP)'''],
  76                         tables=['emissions_diffusion'],
  77                     ).order_by('first_diffusion').distinct()
  78
  79
  80         # get all related soundfiles in a single query
  81         soundfiles = {}
  82         if episode_ids is not None:
  83             for episode_id in episode_ids:
  84                 soundfiles[episode_id] = None
  85         else:
  86             for episode in Episode.objects.filter(emission=emission):
  87                 soundfiles[episode.id] = None
  88
  89         for soundfile in SoundFile.objects.select_related().filter(podcastable=True,
  90                 fragment=False, episode__emission=emission):
  91             soundfiles[soundfile.episode_id] = soundfile
  92
  93         Episode.set_prefetched_soundfiles(soundfiles)
  94
  95         #context['futurEpisodes'] = context['episodes'].filter(first_diffusion='2013')[0:3]
  96
  97         return context
  98
  99
 100 class EmissionDetailView(DetailView, EmissionMixin):
 101     model = Emission
 102
 103     def get_context_data(self, **kwargs):
 104         context = super(EmissionDetailView, self).get_context_data(**kwargs)
 105         context['schedules'] = Schedule.objects.select_related().filter(
 106                 emission=self.object).order_by('rerun', 'datetime')
 107         context['news'] = NewsItem.objects.all().filter(emission=self.object.id).order_by('-date')[:3]
 108         try:
 109             nonstop_object = Nonstop.objects.get(slug=self.object.slug)
 110         except Nonstop.DoesNotExist:
 111             pass
 112         else:
 113             today = date.today()
 114             dates = [today - timedelta(days=x) for x in range(7)]
 115             if datetime.now().time() < nonstop_object.start:
 116                 dates = dates[1:]
 117             context['nonstop'] = nonstop_object
 118             context['nonstop_dates'] = dates
 119         context.update(self.get_emission_context(self.object))
 120         return context
 121 emission = EmissionDetailView.as_view()
 122
 123 class EpisodeDetailView(DetailView, EmissionMixin):
 124     model = Episode
 125
 126     def get_context_data(self, **kwargs):
 127         context = super(EpisodeDetailView, self).get_context_data(**kwargs)
 128         context['diffusions'] = Diffusion.objects.select_related().filter(
 129                 episode=self.object.id).order_by('datetime')
 130         try:
 131             context['emission'] = context['episode'].emission
 132         except Emission.DoesNotExist:
 133             raise Http404()
 134         if self.kwargs.get('emission_slug') != context['emission'].slug:
 135             raise Http404()
 136         context.update(self.get_emission_context(context['emission']))
 137         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(episode=self.object)]
 138         return context
 139 episode = EpisodeDetailView.as_view()
 140
 141
 142 class NonstopPlaylistView(TemplateView):
 143     template_name = 'nonstop_playlist.html'
 144
 145     def get_context_data(self, **kwargs):
 146         context = super(NonstopPlaylistView, self).get_context_data(**kwargs)
 147         try:
 148             context['emission'] = Emission.objects.get(slug=kwargs.get('slug'))
 149         except Emission.DoesNotExist:
 150             raise Http404()
 151         context['date'] = date(int(kwargs.get('year')),
 152                 int(kwargs.get('month')), int(kwargs.get('day')))
 153         context['future'] = (context['date'] >= date.today())
 154
 155         nonstop_object = Nonstop.objects.get(slug=kwargs.get('slug'))
 156         start = datetime(
 157                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 158                 nonstop_object.start.hour, nonstop_object.start.minute)
 159         end = datetime(
 160                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 161                 nonstop_object.end.hour, nonstop_object.end.minute)
 162         if end < start:
 163             end = end + timedelta(days=1)
 164         context['tracks'] = SomaLogLine.objects.filter(
 165                 play_timestamp__gte=start,
 166                 play_timestamp__lte=end,
 167                 on_air=True).select_related()
 168         return context
 169
 170 nonstop_playlist = NonstopPlaylistView.as_view()
 171
 172 class EmissionEpisodesDetailView(DetailView, EmissionMixin):
 173     model = Emission
 174     template_name = 'emissions/episodes.html'
 175
 176     def get_context_data(self, **kwargs):
 177         context = super(EmissionEpisodesDetailView, self).get_context_data(**kwargs)
 178         context['schedules'] = Schedule.objects.select_related().filter(
 179                 emission=self.object).order_by('rerun', 'datetime')
 180
 181         context['search_query'] = self.request.GET.get('q')
 182         if context['search_query']:
 183             # query string
 184             sqs = SearchQuerySet().models(Episode).filter(
 185                     emission_slug_exact=self.object.slug, text=context['search_query'])
 186             episode_ids = [x.pk for x in sqs]
 187         else:
 188             episode_ids = None
 189
 190         context.update(self.get_emission_context(self.object, episode_ids=episode_ids))
 191         return context
 192 emissionEpisodes = EmissionEpisodesDetailView.as_view()
 193
 194
 195 class SoundFileEmbedView(DetailView):
 196     model = SoundFile
 197     template_name = 'soundfiles/embed.html'
 198
 199     def get_context_data(self, **kwargs):
 200         context = super(SoundFileEmbedView, self).get_context_data(**kwargs)
 201         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 202             raise Http404()
 203         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 204             raise Http404()
 205         context['episode'] = self.object.episode
 206         return context
 207 soundfile_embed = SoundFileEmbedView.as_view()
 208
 209
 210 class SoundFileDialogEmbedView(DetailView):
 211     model = SoundFile
 212     template_name = 'soundfiles/dialog-embed.html'
 213
 214     def get_context_data(self, **kwargs):
 215         context = super(SoundFileDialogEmbedView, self).get_context_data(**kwargs)
 216         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 217             raise Http404()
 218         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 219             raise Http404()
 220         context['episode'] = self.object.episode
 221         return context
 222 soundfile_dlg_embed = SoundFileDialogEmbedView.as_view()
 223
 224
 225
 226 class ProgramView(TemplateView):
 227     template_name = 'program.html'
 228
 229     def get_context_data(self, year=None, week=None, **kwargs):
 230         context = super(ProgramView, self).get_context_data(**kwargs)
 231
 232         context['weekday'] = datetime.today().weekday()
 233
 234         context['week'] = week = int(week) if week is not None else datetime.today().isocalendar()[1]
 235         context['year'] = year = int(year) if year is not None else datetime.today().isocalendar()[0]
 236         context['week_first_day'] = utils.tofirstdayinisoweek(year, week)
 237         context['week_last_day'] = context['week_first_day'] + timedelta(days=6)
 238
 239         return context
 240
 241 program = ProgramView.as_view()
 242
 243 @python_2_unicode_compatible
 244 class TimeCell:
 245     nonstop = None
 246     w = 1
 247     h = 1
 248     time_label = None
 249
 250     def __init__(self, i, j):
 251         self.x = i
 252         self.y = j
 253         self.schedules = []
 254
 255     def add_schedule(self, schedule):
 256         end_time = schedule.datetime + timedelta(
 257                 minutes=schedule.get_duration())
 258         self.time_label = '%02d:%02d-%02d:%02d' % (
 259                 schedule.datetime.hour,
 260                 schedule.datetime.minute,
 261                 end_time.hour,
 262                 end_time.minute)
 263         self.schedules.append(schedule)
 264
 265     def __str__(self):
 266         if self.schedules:
 267             return ', '.join([x.emission.title for x in self.schedules])
 268         else:
 269             return self.nonstop
 270
 271     def __eq__(self, other):
 272         return (force_text(self) == force_text(other) and self.time_label == other.time_label)
 273
 274
 275 class Grid(TemplateView):
 276     template_name = 'grid.html'
 277
 278     def get_context_data(self, **kwargs):
 279         context = super(Grid, self).get_context_data(**kwargs)
 280
 281         nb_lines = 2 * 24 # the cells are half hours
 282         grid = []
 283
 284         times = ['%02d:%02d' % (x/2, x%2*30) for x in range(nb_lines)]
 285         # start grid after the night programs
 286         times = times[2*Schedule.DAY_HOUR_START:] + times[:2*Schedule.DAY_HOUR_START]
 287
 288         nonstops = []
 289         for nonstop in Nonstop.objects.all():
 290             if nonstop.start == nonstop.end:
 291                 continue
 292             if nonstop.start < nonstop.end:
 293                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 294                                  nonstop.end.hour + nonstop.end.minute/60.,
 295                                  nonstop.title, nonstop.slug, nonstop])
 296             else:
 297                 # crossing midnight
 298                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 299                                  24,
 300                                  nonstop.title, nonstop.slug, nonstop])
 301                 nonstops.append([0,
 302                                  nonstop.end.hour + nonstop.end.minute/60.,
 303                                  nonstop.title, nonstop.slug, nonstop])
 304         nonstops.sort()
 305
 306         for i in range(nb_lines):
 307             grid.append([])
 308             for j in range(7):
 309                 grid[-1].append(TimeCell(i, j))
 310
 311             nonstop = [x for x in nonstops if i>=x[0]*2 and i<x[1]*2][0]
 312             for time_cell in grid[-1]:
 313                 time_cell.nonstop = nonstop[2]
 314                 time_cell.nonstop_slug = nonstop[3]
 315                 time_cell.redirect_path = nonstop[4].redirect_path
 316                 if nonstop[1] == 5:
 317                     # the one ending at 5am will be cut down, so we inscribe
 318                     # its duration manually
 319                     time_cell.time_label = '%02d:00-%02d:00' % (
 320                             nonstop[0], nonstop[1])
 321
 322         for schedule in Schedule.objects.prefetch_related(
 323                 'emission__categories').select_related().order_by('datetime'):
 324             row_start = schedule.datetime.hour * 2 + \
 325                     int(math.ceil(schedule.datetime.minute / 30))
 326             day_no = schedule.get_weekday()
 327
 328             for step in range(int(math.ceil(schedule.get_duration() / 30.))):
 329                 if grid[(row_start+step)%nb_lines][day_no] is None:
 330                     grid[(row_start+step)%nb_lines][day_no] = TimeCell()
 331                 grid[(row_start+step)%nb_lines][day_no].add_schedule(schedule)
 332
 333         # start grid after the night programs
 334         grid = grid[2*Schedule.DAY_HOUR_START:] + grid[:2*Schedule.DAY_HOUR_START]
 335
 336         # look for the case where the same emission has different schedules for
 337         # the same time cell, for example if it lasts one hour the first week,
 338         # and two hours the third week.
 339         for i in range(nb_lines):
 340             grid[i] = [x for x in grid[i] if x is not None]
 341             for j, cell in enumerate(grid[i]):
 342                 if grid[i][j] is None:
 343                     continue
 344                 if len(grid[i][j].schedules) > 1:
 345                     time_cell_emissions = {}
 346                     for schedule in grid[i][j].schedules:
 347                         if not schedule.emission.id in time_cell_emissions:
 348                             time_cell_emissions[schedule.emission.id] = []
 349                         time_cell_emissions[schedule.emission.id].append(schedule)
 350                     for schedule_list in time_cell_emissions.values():
 351                         if len(schedule_list) == 1:
 352                             continue
 353                         # here it is, same cell, same emission, several
 354                         # schedules
 355                         schedule_list.sort(key=lambda x: x.get_duration())
 356
 357                         schedule = schedule_list[0]
 358                         end_time = schedule.datetime + timedelta(
 359                                 minutes=schedule.get_duration())
 360                         grid[i][j].time_label = '%02d:%02d-%02d:%02d' % (
 361                                 schedule.datetime.hour,
 362                                 schedule.datetime.minute,
 363                                 end_time.hour,
 364                                 end_time.minute)
 365
 366                         for schedule in schedule_list[1:]:
 367                             grid[i][j].schedules.remove(schedule)
 368                             end_time = schedule.datetime + timedelta(minutes=schedule.get_duration())
 369                             schedule_list[0].time_label_extra = ', -%02d:%02d %s' % (
 370                                     end_time.hour, end_time.minute, schedule.weeks_string)
 371
 372         # merge adjacent
 373
 374         # 1st thing is to merge cells on the same line, this will mostly catch
 375         # consecutive nonstop cells
 376         for i in range(nb_lines):
 377             for j, cell in enumerate(grid[i]):
 378                 if grid[i][j] is None:
 379                     continue
 380                 t = 1
 381                 try:
 382                     # if the cells are identical, they are removed from the
 383                     # grid, and current cell width is increased
 384                     while grid[i][j+t] == cell:
 385                         cell.w += 1
 386                         grid[i][j+t] = None
 387                         t += 1
 388                 except IndexError:
 389                     pass
 390
 391             # once we're done we remove empty cells
 392             grid[i] = [x for x in grid[i] if x is not None]
 393
 394         # 2nd thing is to merge cells vertically, this is emissions that last
 395         # for more than 30 minutes
 396         for i in range(nb_lines):
 397             grid[i] = [x for x in grid[i] if x is not None]
 398             for j, cell in enumerate(grid[i]):
 399                 if grid[i][j] is None:
 400                     continue
 401                 t = 1
 402                 try:
 403                     while True:
 404                         # we look if the next time cell has the same emissions
 405                         same_cell_below = [(bj, x) for bj, x in enumerate(grid[i+cell.h])
 406                                            if x == cell and x.y == cell.y and x.w == cell.w]
 407                         if same_cell_below:
 408                             # if the cell was identical, we remove it and
 409                             # increase current cell height
 410                             bj, same_cell_below = same_cell_below[0]
 411                             del grid[i+cell.h][bj]
 412                             cell.h += 1
 413                         else:
 414                             # if the cell is different, we have a closer look
 415                             # to it, so we can remove emissions that will
 416                             # already be mentioned in the current cell.
 417                             #
 418                             # For example:
 419                             #  - 7am30, seuls contre tout, 1h30
 420                             #  - 8am, du pied gauche & la voix de la rue, 1h
 421                             # should produce: (this is case A)
 422                             #  |      7:30-9:00      |
 423                             #  |  seuls contre tout  |
 424                             #  |---------------------|
 425                             #  |      8:00-9:00      |
 426                             #  |   du pied gauche    |
 427                             #  |  la voix de la rue  |
 428                             #
 429                             # On the other hand, if all three emissions started
 430                             # at 7am30, we want: (this is case B)
 431                             #  |      7:30-9:00      |
 432                             #  |  seuls contre tout  |
 433                             #  |   du pied gauche    |
 434                             #  |  la voix de la rue  |
 435                             # that is we merge all of them, ignoring the fact
 436                             # that the other emissions will stop at 8am30
 437                             current_cell_schedules = set(grid[i][j].schedules)
 438                             current_cell_emissions = set([x.emission for x in current_cell_schedules])
 439                             cursor = 1
 440                             while True and current_cell_schedules:
 441                                 same_cell_below = [x for x in grid[i+cursor] if x.y == grid[i][j].y]
 442                                 if not same_cell_below:
 443                                     cursor += 1
 444                                     continue
 445                                 same_cell_below = same_cell_below[0]
 446                                 same_cell_below_emissions = set([x.emission for x in same_cell_below.schedules])
 447
 448                                 if current_cell_emissions.issubset(same_cell_below_emissions):
 449                                     # this handles case A (see comment above)
 450                                     for schedule in current_cell_schedules:
 451                                         if schedule in same_cell_below.schedules:
 452                                             same_cell_below.schedules.remove(schedule)
 453                                 elif same_cell_below_emissions and \
 454                                         current_cell_emissions.issuperset(same_cell_below_emissions):
 455                                     # this handles case B (see comment above)
 456                                     # we set the cell time label to the longest
 457                                     # period
 458                                     grid[i][j].time_label = same_cell_below.time_label
 459                                     # then we sort emissions so the longest are
 460                                     # put first
 461                                     grid[i][j].schedules.sort(key=lambda x: -x.get_duration())
 462                                     # then we add individual time labels to the
 463                                     # other schedules
 464                                     for schedule in current_cell_schedules:
 465                                         if schedule not in same_cell_below.schedules:
 466                                             end_time = schedule.datetime + timedelta(
 467                                                     minutes=schedule.get_duration())
 468                                             schedule.time_label = '%02d:%02d-%02d:%02d' % (
 469                                                     schedule.datetime.hour,
 470                                                     schedule.datetime.minute,
 471                                                     end_time.hour,
 472                                                     end_time.minute)
 473                                     grid[i][j].h += 1
 474                                     grid[i+cursor].remove(same_cell_below)
 475                                 elif same_cell_below_emissions and \
 476                                         current_cell_emissions.intersection(same_cell_below_emissions):
 477                                     same_cell_below.schedules = [x for x in
 478                                             same_cell_below.schedules if
 479                                             x.emission not in
 480                                             current_cell_emissions or
 481                                             x.get_duration() < 30]
 482                                 cursor += 1
 483                             break
 484                 except IndexError:
 485                     pass
 486
 487         # cut night at 3am
 488         grid = grid[:42]
 489         times = times[:42]
 490
 491         context['grid'] = grid
 492         context['times'] = times
 493         context['categories'] = Category.objects.all()
 494         context['weekdays'] = ['Lundi', 'Mardi', 'Mercredi', 'Jeudi',
 495                 'Vendredi', 'Samedi', 'Dimanche']
 496
 497         return context
 498
 499 grid = Grid.as_view()
 500
 501
 502 class Home(TemplateView):
 503     template_name = 'home.html'
 504
 505     def get_context_data(self, **kwargs):
 506         context = super(Home, self).get_context_data(**kwargs)
 507         context['emissions'] = Emission.objects.filter(archived=False).order_by('-creation_timestamp')[:3]
 508         context['newsitems'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')[:3]
 509
 510         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 511                 podcastable=True, fragment=False) \
 512                 .select_related().extra(select={
 513                     'first_diffusion': 'emissions_diffusion.datetime', },
 514                     select_params=(False, True),
 515                     where=['''datetime = (SELECT MIN(datetime)
 516                                             FROM emissions_diffusion
 517                                         WHERE episode_id = emissions_episode.id)'''],
 518                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:3]
 519
 520         context['newsletter_form'] = SubscribeForm()
 521
 522         return context
 523
 524 home = Home.as_view()
 525
 526 class NewsItemView(DetailView):
 527     model = NewsItem
 528     def get_context_data(self, **kwargs):
 529         context = super(NewsItemView, self).get_context_data(**kwargs)
 530         context['categories'] = NewsCategory.objects.all()
 531         context['news'] = NewsItem.objects.all().order_by('-date')
 532         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(newsitem=self.object)]
 533         return context
 534 newsitemview = NewsItemView.as_view()
 535
 536 class News(TemplateView):
 537     template_name = 'news.html'
 538     def get_context_data(self, **kwargs):
 539         context = super(News, self).get_context_data(**kwargs)
 540         context['focus'] = NewsItem.objects.exclude(date__gt=date.today()  # publication date
 541                 ).exclude(expiration_date__lt=date.today()  # expiration date
 542                 ).filter(got_focus__isnull=False
 543                 ).select_related('category').order_by('-date')[:10]
 544         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 545         return context
 546
 547 news = News.as_view()
 548
 549
 550 class Agenda(TemplateView):
 551     template_name = 'agenda.html'
 552     def get_context_data(self, **kwargs):
 553         context = super(Agenda, self).get_context_data(**kwargs)
 554         context['agenda'] = NewsItem.objects.exclude(date__gt=date.today()).filter(
 555                 event_date__gte=date.today()).order_by('date')[:20]
 556         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 557         context['previous_month'] = datetime.today().replace(day=1) - timedelta(days=2)
 558         return context
 559
 560 agenda = Agenda.as_view()
 561
 562
 563 class AgendaByMonth(MonthArchiveView):
 564     template_name = 'agenda.html'
 565     queryset = NewsItem.objects.filter(event_date__isnull=False)
 566     allow_future = True
 567     date_field = 'event_date'
 568     month_format = '%m'
 569
 570     def get_context_data(self, **kwargs):
 571         context = super(AgendaByMonth, self).get_context_data(**kwargs)
 572         context['agenda'] = context['object_list']
 573         context['news'] = NewsItem.objects.all().order_by('-date')
 574         return context
 575
 576 agenda_by_month = AgendaByMonth.as_view()
 577
 578
 579 class Emissions(TemplateView):
 580     template_name = 'emissions.html'
 581
 582     def get_context_data(self, **kwargs):
 583         context = super(Emissions, self).get_context_data(**kwargs)
 584         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=False).order_by('title')
 585         context['categories'] = Category.objects.all()
 586         return context
 587
 588 emissions = Emissions.as_view()
 589
 590 class EmissionsArchives(TemplateView):
 591     template_name = 'emissions/archives.html'
 592
 593     def get_context_data(self, **kwargs):
 594         context = super(EmissionsArchives, self).get_context_data(**kwargs)
 595         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=True).order_by('title')
 596         context['categories'] = Category.objects.all()
 597         return context
 598 emissionsArchives = EmissionsArchives.as_view()
 599
 600
 601 class Listen(TemplateView):
 602     template_name = 'listen.html'
 603
 604     def get_context_data(self, **kwargs):
 605         context = super(Listen, self).get_context_data(**kwargs)
 606         context['focus'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 607                 podcastable=True, got_focus__isnull=False) \
 608                 .select_related().extra(select={
 609                     'first_diffusion': 'emissions_diffusion.datetime', },
 610                     select_params=(False, True),
 611                     where=['''datetime = (SELECT MIN(datetime)
 612                                             FROM emissions_diffusion
 613                                         WHERE episode_id = emissions_episode.id)'''],
 614                     tables=['emissions_diffusion'],).order_by('-first_diffusion').distinct() [:10]
 615         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 616                 podcastable=True) \
 617                 .select_related().extra(select={
 618                     'first_diffusion': 'emissions_diffusion.datetime', },
 619                     select_params=(False, True),
 620                     where=['''datetime = (SELECT MIN(datetime)
 621                                             FROM emissions_diffusion
 622                                         WHERE episode_id = emissions_episode.id)'''],
 623                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct()
 624
 625
 626         return context
 627
 628 listen = Listen.as_view()
 629
 630 @cache_control(max_age=15)
 631 @csrf_exempt
 632 def onair(request):
 633     d = whatsonair()
 634     if d.get('episode'):
 635         d['episode'] = {
 636             'title': d['episode'].title,
 637             'url': d['episode'].get_absolute_url()
 638         }
 639     if d.get('emission'):
 640         chat_url = None
 641         if d['emission'].chat_open:
 642             chat_url = reverse('emission-chat', kwargs={'slug': d['emission'].slug})
 643         d['emission'] = {
 644             'title': d['emission'].title,
 645             'url': d['emission'].get_absolute_url(),
 646             'chat': chat_url,
 647         }
 648     if d.get('nonstop'):
 649         redirect_path = d['nonstop'].redirect_path
 650         d['nonstop'] = {
 651             'title': d['nonstop'].title,
 652         }
 653         if redirect_path:
 654             d['nonstop']['url'] = redirect_path
 655         d.update(get_current_nonstop_track())
 656     if d.get('current_slot'):
 657         del d['current_slot']
 658     return JsonResponse({'data': d})
 659
 660
 661 class NewsItemDetailView(DetailView):
 662     model = NewsItem
 663
 664 newsitem = NewsItemDetailView.as_view()
 665
 666 class RssCustomPodcastsFeed(Rss201rev2Feed):
 667     def add_root_elements(self, handler):
 668         super(RssCustomPodcastsFeed, self).add_root_elements(handler)
 669         emission = self.feed.get('emission')
 670         if emission and emission.image and emission.image.url:
 671             image_url = emission.image.url
 672         else:
 673             image_url = '/static/img/logo-panik-500.png'
 674         image_url = urlparse.urljoin(self.feed['link'], image_url)
 675         handler.startElement('image', {})
 676         if emission:
 677             handler.addQuickElement('title', emission.title)
 678         else:
 679             handler.addQuickElement('title', settings.RADIO_NAME)
 680         handler.addQuickElement('url', image_url)
 681         handler.endElement('image')
 682         handler.addQuickElement('itunes:explicit', 'no')  # invidividual items will get their own value
 683         handler.addQuickElement('itunes:image', None, {'href': image_url})
 684         if emission:
 685             if emission.subtitle:
 686                 handler.addQuickElement('itunes:subtitle', emission.subtitle)
 687             for category in emission.categories.all():
 688                 if category.itunes_category:
 689                     handler.addQuickElement('itunes:category', None, {'text': category.itunes_category})
 690
 691             handler.addQuickElement('itunes:author', emission.title)
 692             handler.startElement('itunes:owner', {})
 693             if emission.email:
 694                 handler.addQuickElement('itunes:email', emission.email)
 695             handler.addQuickElement('itunes:name', emission.title)
 696             handler.endElement('itunes:owner')
 697         else:
 698             handler.addQuickElement('itunes:author', settings.RADIO_NAME)
 699             handler.startElement('itunes:owner', {})
 700             handler.addQuickElement('itunes:email', 'info@radiopanik.org')
 701             handler.addQuickElement('itunes:name', settings.RADIO_NAME)
 702             handler.endElement('itunes:owner')
 703
 704     def root_attributes(self):
 705         attrs = super(RssCustomPodcastsFeed, self).root_attributes()
 706         attrs['xmlns:dc'] = 'http://purl.org/dc/elements/1.1/'
 707         attrs['xmlns:itunes'] = 'http://www.itunes.com/dtds/podcast-1.0.dtd'
 708         return attrs
 709
 710     def add_item_elements(self, handler, item):
 711         super(RssCustomPodcastsFeed, self).add_item_elements(handler, item)
 712         explicit = 'no'
 713         for tag in item.get('tags') or []:
 714             handler.addQuickElement('dc:subject', tag)
 715             if tag == 'explicit':
 716                 explicit = 'yes'
 717         if item.get('tags'):
 718             handler.addQuickElement('itunes:keywords', ','.join(item.get('tags')))
 719         handler.addQuickElement('itunes:explicit', explicit)
 720         episode = item.get('episode')
 721         if episode and episode.image and episode.image.url:
 722             image_url = urlparse.urljoin(self.feed['link'], episode.image.url)
 723             handler.addQuickElement('itunes:image', None, {'href': image_url})
 724         soundfile = item.get('soundfile')
 725         if soundfile.duration:
 726             handler.addQuickElement('itunes:duration', '%02d:%02d:%02d' % (
 727                 soundfile.duration / 3600,
 728                 soundfile.duration % 3600 / 60,
 729                 soundfile.duration % 60))
 730
 731
 732 class PodcastsFeed(Feed):
 733     title = '%s - Podcasts' % settings.RADIO_NAME
 734     link = '/'
 735     description_template = 'feed/soundfile.html'
 736     feed_type = RssCustomPodcastsFeed
 737
 738     def items(self):
 739         return SoundFile.objects.select_related().filter(
 740                 podcastable=True).order_by('-creation_timestamp')[:20]
 741
 742     def item_title(self, item):
 743         if item.fragment:
 744             return '[%s] %s - %s' % (item.episode.emission.title, item.title, item.episode.title)
 745         return '[%s] %s' % (item.episode.emission.title, item.episode.title)
 746
 747     def item_link(self, item):
 748         return item.episode.get_absolute_url()
 749
 750     def item_enclosure_url(self, item):
 751         current_site = Site.objects.get(id=settings.SITE_ID)
 752         return add_domain(current_site.domain, item.get_format_url('mp3'))
 753
 754     def item_enclosure_length(self, item):
 755         sound_path = item.get_format_path('mp3')
 756         try:
 757             return os.stat(sound_path)[stat.ST_SIZE]
 758         except OSError:
 759             return 0
 760
 761     def item_enclosure_mime_type(self, item):
 762         return 'audio/mpeg'
 763
 764     def item_pubdate(self, item):
 765         return item.creation_timestamp
 766
 767     def item_extra_kwargs(self, item):
 768         return {'tags': [x.name for x in item.episode.tags.all()],
 769                 'soundfile': item,
 770                 'episode': item.episode}
 771
 772 podcasts_feed = PodcastsFeed()
 773
 774
 775 class RssNewsFeed(Feed):
 776     title = settings.RADIO_NAME
 777     link = '/news/'
 778     description_template = 'feed/newsitem.html'
 779
 780     def items(self):
 781         return NewsItem.objects.order_by('-date')[:20]
 782
 783 rss_news_feed = RssNewsFeed()
 784
 785 class Atom1FeedWithBaseXml(Atom1Feed):
 786     def root_attributes(self):
 787         root_attributes = super(Atom1FeedWithBaseXml, self).root_attributes()
 788         scheme, netloc, path, params, query, fragment  = urlparse.urlparse(self.feed['feed_url'])
 789         root_attributes['xml:base'] = urlparse.urlunparse((scheme, netloc, '/', params, query, fragment))
 790         return root_attributes
 791
 792 class AtomNewsFeed(RssNewsFeed):
 793     feed_type = Atom1FeedWithBaseXml
 794
 795 atom_news_feed = AtomNewsFeed()
 796
 797
 798 class EmissionPodcastsFeed(PodcastsFeed):
 799     description_template = 'feed/soundfile.html'
 800     feed_type = RssCustomPodcastsFeed
 801
 802     def __call__(self, request, *args, **kwargs):
 803         self.emission = Emission.objects.get(slug=kwargs.get('slug'))
 804         return super(EmissionPodcastsFeed, self).__call__(request, *args, **kwargs)
 805
 806     def item_title(self, item):
 807         if item.fragment:
 808             return '%s - %s' % (item.title, item.episode.title)
 809         return item.episode.title
 810
 811     @property
 812     def title(self):
 813         return self.emission.title
 814
 815     @property
 816     def description(self):
 817         return self.emission.subtitle
 818
 819     @property
 820     def link(self):
 821         return reverse('emission-view', kwargs={'slug': self.emission.slug})
 822
 823     def feed_extra_kwargs(self, obj):
 824         return {'emission': self.emission}
 825
 826     def items(self):
 827         return SoundFile.objects.select_related().filter(
 828                 podcastable=True,
 829                 episode__emission__slug=self.emission.slug).order_by('-creation_timestamp')[:20]
 830
 831 emission_podcasts_feed = EmissionPodcastsFeed()
 832
 833
 834 class Party(TemplateView):
 835     template_name = 'party.html'
 836
 837     def get_context_data(self, **kwargs):
 838         context = super(Party, self).get_context_data(**kwargs)
 839         t = random.choice(['newsitem']*2 + ['emission']*3 + ['soundfile']*1 + ['episode']*2)
 840         focus = Focus()
 841         if t == 'newsitem':
 842             focus.newsitem = NewsItem.objects.exclude(
 843                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 844         elif t == 'emission':
 845             focus.emission = Emission.objects.exclude(
 846                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 847         elif t == 'episode':
 848             focus.episode = Episode.objects.exclude(
 849                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 850         elif t == 'soundfile':
 851             focus.soundfile = SoundFile.objects.exclude(
 852                     episode__image__isnull=True).exclude(episode__image__exact='').order_by('?')[0]
 853
 854         context['focus'] = focus
 855
 856         return context
 857
 858 party = Party.as_view()
 859
 860
 861
 862 class Chat(DetailView, EmissionMixin):
 863     model = Emission
 864     template_name = 'chat.html'
 865
 866 chat = cache_control(max_age=15)(Chat.as_view())