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, JsonResponse
  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 combo.data.models import Page
  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         if emission.archived:
  81             current_year = emission.creation_timestamp.replace(month=5, day=1)
  82         else:
  83             current_year = datetime.now().replace(month=5, day=1)
  84
  85         context['all_episodes'] = episodes_queryset.filter(
  86                 creation_timestamp__gt=current_year
  87                 ).extra(select={
  88                         'first_diffusion': 'emissions_diffusion.datetime',
  89                         },
  90                         select_params=(False, True),
  91                         where=['''datetime = (SELECT MIN(datetime)
  92                                                 FROM emissions_diffusion
  93                                                WHERE episode_id = emissions_episode.id
  94                                              )'''],
  95                         tables=['emissions_diffusion'],
  96                     ).order_by('first_diffusion').distinct()
  97
  98         # get all related soundfiles in a single query
  99         soundfiles = {}
 100         if episode_ids is not None:
 101             for episode_id in episode_ids:
 102                 soundfiles[episode_id] = None
 103         else:
 104             for episode in Episode.objects.filter(emission=emission):
 105                 soundfiles[episode.id] = None
 106
 107         for soundfile in SoundFile.objects.select_related().filter(podcastable=True,
 108                 fragment=False, episode__emission=emission):
 109             soundfiles[soundfile.episode_id] = soundfile
 110
 111         Episode.set_prefetched_soundfiles(soundfiles)
 112
 113         #context['futurEpisodes'] = context['episodes'].filter(first_diffusion='2013')[0:3]
 114
 115         return context
 116
 117
 118 class EmissionDetailView(DetailView, EmissionMixin):
 119     model = Emission
 120
 121     def get_context_data(self, **kwargs):
 122         context = super(EmissionDetailView, self).get_context_data(**kwargs)
 123         context['schedules'] = Schedule.objects.select_related().filter(
 124                 emission=self.object).order_by('rerun', 'datetime')
 125         context['news'] = NewsItem.objects.all().filter(emission=self.object.id).order_by('-date')[:3]
 126         try:
 127             nonstop_object = Nonstop.objects.get(slug=self.object.slug)
 128         except Nonstop.DoesNotExist:
 129             pass
 130         else:
 131             today = date.today()
 132             dates = [today - timedelta(days=x) for x in range(7)]
 133             if datetime.now().time() < nonstop_object.start:
 134                 dates = dates[1:]
 135             context['nonstop'] = nonstop_object
 136             context['nonstop_dates'] = dates
 137         context.update(self.get_emission_context(self.object))
 138         return context
 139 emission = EmissionDetailView.as_view()
 140
 141 class EpisodeDetailView(DetailView, EmissionMixin):
 142     model = Episode
 143
 144     def get_queryset(self, *args, **kwargs):
 145         queryset = super(EpisodeDetailView, self).get_queryset(*args, **kwargs)
 146         return queryset.filter(emission__slug=self.kwargs['emission_slug'])
 147
 148     def get_context_data(self, **kwargs):
 149         context = super(EpisodeDetailView, self).get_context_data(**kwargs)
 150         context['diffusions'] = Diffusion.objects.select_related().filter(
 151                 episode=self.object.id).order_by('datetime')
 152         try:
 153             context['emission'] = context['episode'].emission
 154         except Emission.DoesNotExist:
 155             raise Http404()
 156         if self.kwargs.get('emission_slug') != context['emission'].slug:
 157             raise Http404()
 158         context.update(self.get_emission_context(context['emission']))
 159         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(episode=self.object)]
 160         return context
 161 episode = EpisodeDetailView.as_view()
 162
 163
 164 class NonstopPlaylistView(TemplateView):
 165     template_name = 'nonstop_playlist.html'
 166
 167     def get_context_data(self, **kwargs):
 168         context = super(NonstopPlaylistView, self).get_context_data(**kwargs)
 169         try:
 170             context['emission'] = Emission.objects.get(slug=kwargs.get('slug'))
 171         except Emission.DoesNotExist:
 172             raise Http404()
 173         context['date'] = date(int(kwargs.get('year')),
 174                 int(kwargs.get('month')), int(kwargs.get('day')))
 175         context['future'] = (context['date'] >= date.today())
 176
 177         nonstop_object = Nonstop.objects.get(slug=kwargs.get('slug'))
 178         start = datetime(
 179                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 180                 nonstop_object.start.hour, nonstop_object.start.minute)
 181         end = datetime(
 182                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 183                 nonstop_object.end.hour, nonstop_object.end.minute)
 184         if end < start:
 185             end = end + timedelta(days=1)
 186         context['tracks'] = SomaLogLine.objects.filter(
 187                 play_timestamp__gte=start,
 188                 play_timestamp__lte=end,
 189                 on_air=True).select_related()
 190         return context
 191
 192 nonstop_playlist = NonstopPlaylistView.as_view()
 193
 194 class EmissionEpisodesDetailView(DetailView, EmissionMixin):
 195     model = Emission
 196     template_name = 'emissions/episodes.html'
 197
 198     def get_context_data(self, **kwargs):
 199         context = super(EmissionEpisodesDetailView, self).get_context_data(**kwargs)
 200         context['schedules'] = Schedule.objects.select_related().filter(
 201                 emission=self.object).order_by('rerun', 'datetime')
 202
 203         context['search_query'] = self.request.GET.get('q')
 204         if context['search_query']:
 205             # query string
 206             sqs = SearchQuerySet().models(Episode).filter(
 207                     emission_slug_exact=self.object.slug, text=context['search_query'])
 208             episode_ids = [x.pk for x in sqs]
 209         else:
 210             episode_ids = None
 211
 212         context.update(self.get_emission_context(self.object, episode_ids=episode_ids))
 213         return context
 214 emissionEpisodes = EmissionEpisodesDetailView.as_view()
 215
 216
 217 class SoundFileEmbedView(DetailView):
 218     model = SoundFile
 219     template_name = 'soundfiles/embed.html'
 220
 221     def get_context_data(self, **kwargs):
 222         context = super(SoundFileEmbedView, self).get_context_data(**kwargs)
 223         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 224             raise Http404()
 225         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 226             raise Http404()
 227         context['episode'] = self.object.episode
 228         return context
 229 soundfile_embed = SoundFileEmbedView.as_view()
 230
 231
 232 class SoundFileDialogEmbedView(DetailView):
 233     model = SoundFile
 234     template_name = 'soundfiles/dialog-embed.html'
 235
 236     def get_context_data(self, **kwargs):
 237         context = super(SoundFileDialogEmbedView, self).get_context_data(**kwargs)
 238         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 239             raise Http404()
 240         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 241             raise Http404()
 242         context['episode'] = self.object.episode
 243         return context
 244 soundfile_dlg_embed = SoundFileDialogEmbedView.as_view()
 245
 246
 247
 248 class ProgramView(TemplateView):
 249     template_name = 'program.html'
 250
 251     def get_context_data(self, year=None, week=None, **kwargs):
 252         context = super(ProgramView, self).get_context_data(**kwargs)
 253
 254         context['weekday'] = datetime.today().weekday()
 255
 256         context['week'] = week = int(week) if week is not None else datetime.today().isocalendar()[1]
 257         context['year'] = year = int(year) if year is not None else datetime.today().isocalendar()[0]
 258         context['week_first_day'] = utils.tofirstdayinisoweek(year, week)
 259         context['week_last_day'] = context['week_first_day'] + timedelta(days=6)
 260
 261         return context
 262
 263 program = ProgramView.as_view()
 264
 265 class TimeCell:
 266     nonstop = None
 267     w = 1
 268     h = 1
 269     time_label = None
 270
 271     def __init__(self, i, j):
 272         self.x = i
 273         self.y = j
 274         self.schedules = []
 275
 276     def add_schedule(self, schedule):
 277         end_time = schedule.datetime + timedelta(
 278                 minutes=schedule.get_duration())
 279         self.time_label = '%02d:%02d-%02d:%02d' % (
 280                 schedule.datetime.hour,
 281                 schedule.datetime.minute,
 282                 end_time.hour,
 283                 end_time.minute)
 284         self.schedules.append(schedule)
 285
 286     def __unicode__(self):
 287         if self.schedules:
 288             return ', '.join([x.emission.title for x in self.schedules])
 289         else:
 290             return self.nonstop
 291
 292     def __eq__(self, other):
 293         return (unicode(self) == unicode(other) and self.time_label == other.time_label)
 294
 295
 296 class Grid(TemplateView):
 297     template_name = 'grid.html'
 298
 299     def get_context_data(self, **kwargs):
 300         context = super(Grid, self).get_context_data(**kwargs)
 301
 302         nb_lines = 2 * 24 # the cells are half hours
 303         grid = []
 304
 305         Schedule.DAY_HOUR_START = 12
 306
 307         times = ['%02d:%02d' % (x/2, x%2*30) for x in range(nb_lines)]
 308         # start grid after the night programs
 309         times = times[2*Schedule.DAY_HOUR_START:] + times[:2*Schedule.DAY_HOUR_START]
 310
 311         nonstops = []
 312         for nonstop in Nonstop.objects.all():
 313             if nonstop.start == nonstop.end:
 314                 continue
 315             if nonstop.start < nonstop.end:
 316                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 317                                  nonstop.end.hour + nonstop.end.minute/60.,
 318                                  nonstop.title, nonstop.slug])
 319             else:
 320                 # crossing midnight
 321                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 322                                  24,
 323                                  nonstop.title, nonstop.slug])
 324                 nonstops.append([0,
 325                                  nonstop.end.hour + nonstop.end.minute/60.,
 326                                  nonstop.title, nonstop.slug])
 327         nonstops.sort()
 328
 329         for i in range(nb_lines):
 330             grid.append([])
 331             for j in range(7):
 332                 grid[-1].append(TimeCell(i, j))
 333
 334             try:
 335                 nonstop = [x for x in nonstops if i>=x[0]*2 and i<x[1]*2][0]
 336             except IndexError:
 337                 pass
 338             for time_cell in grid[-1]:
 339                 time_cell.nonstop = nonstop[2]
 340                 time_cell.nonstop_slug = nonstop[3]
 341                 if nonstop[1] == 5:
 342                     # the one ending at 5am will be cut down, so we inscribe
 343                     # its duration manually
 344                     time_cell.time_label = '%02d:00-%02d:00' % (
 345                             nonstop[0], nonstop[1])
 346
 347         for schedule in Schedule.objects.filter(emission__archived=False).prefetch_related(
 348                 'emission__categories').select_related().order_by('datetime'):
 349             row_start = schedule.datetime.hour * 2 + \
 350                     int(math.ceil(schedule.datetime.minute / 30))
 351             day_no = schedule.get_weekday()
 352
 353             for step in range(int(math.ceil(schedule.get_duration() / 30.))):
 354                 if grid[(row_start+step)%nb_lines][day_no] is None:
 355                     grid[(row_start+step)%nb_lines][day_no] = TimeCell()
 356                 grid[(row_start+step)%nb_lines][day_no].add_schedule(schedule)
 357
 358         # start grid after the night programs
 359         grid = grid[2*Schedule.DAY_HOUR_START:] + grid[:2*Schedule.DAY_HOUR_START]
 360
 361         # look for the case where the same emission has different schedules for
 362         # the same time cell, for example if it lasts one hour the first week,
 363         # and two hours the third week.
 364         for i in range(nb_lines):
 365             grid[i] = [x for x in grid[i] if x is not None]
 366             for j, cell in enumerate(grid[i]):
 367                 if grid[i][j] is None:
 368                     continue
 369                 if len(grid[i][j].schedules) > 1:
 370                     time_cell_emissions = {}
 371                     for schedule in grid[i][j].schedules:
 372                         if not schedule.emission.id in time_cell_emissions:
 373                             time_cell_emissions[schedule.emission.id] = []
 374                         time_cell_emissions[schedule.emission.id].append(schedule)
 375                     for schedule_list in time_cell_emissions.values():
 376                         if len(schedule_list) == 1:
 377                             continue
 378                         # here it is, same cell, same emission, several
 379                         # schedules
 380                         schedule_list.sort(lambda x,y: cmp(x.get_duration(), y.get_duration()))
 381
 382                         schedule = schedule_list[0]
 383                         end_time = schedule.datetime + timedelta(
 384                                 minutes=schedule.get_duration())
 385                         grid[i][j].time_label = '%02d:%02d-%02d:%02d' % (
 386                                 schedule.datetime.hour,
 387                                 schedule.datetime.minute,
 388                                 end_time.hour,
 389                                 end_time.minute)
 390
 391                         for schedule in schedule_list[1:]:
 392                             grid[i][j].schedules.remove(schedule)
 393                             end_time = schedule.datetime + timedelta(minutes=schedule.get_duration())
 394                             schedule_list[0].time_label_extra = ', -%02d:%02d %s' % (
 395                                     end_time.hour, end_time.minute, schedule.weeks_string)
 396
 397         # merge adjacent
 398
 399         # 1st thing is to merge cells on the same line, this will mostly catch
 400         # consecutive nonstop cells
 401         for i in range(nb_lines):
 402             for j, cell in enumerate(grid[i]):
 403                 if grid[i][j] is None:
 404                     continue
 405                 t = 1
 406                 try:
 407                     # if the cells are identical, they are removed from the
 408                     # grid, and current cell width is increased
 409                     while grid[i][j+t] == cell:
 410                         cell.w += 1
 411                         grid[i][j+t] = None
 412                         t += 1
 413                 except IndexError:
 414                     pass
 415
 416             # once we're done we remove empty cells
 417             grid[i] = [x for x in grid[i] if x is not None]
 418
 419         # 2nd thing is to merge cells vertically, this is emissions that last
 420         # for more than 30 minutes
 421         for i in range(nb_lines):
 422             grid[i] = [x for x in grid[i] if x is not None]
 423             for j, cell in enumerate(grid[i]):
 424                 if grid[i][j] is None:
 425                     continue
 426                 t = 1
 427                 try:
 428                     while True:
 429                         # we look if the next time cell has the same emissions
 430                         same_cell_below = [(bj, x) for bj, x in enumerate(grid[i+cell.h])
 431                                            if x == cell and x.y == cell.y and x.w == cell.w]
 432                         if same_cell_below:
 433                             # if the cell was identical, we remove it and
 434                             # increase current cell height
 435                             bj, same_cell_below = same_cell_below[0]
 436                             del grid[i+cell.h][bj]
 437                             cell.h += 1
 438                         else:
 439                             # if the cell is different, we have a closer look
 440                             # to it, so we can remove emissions that will
 441                             # already be mentioned in the current cell.
 442                             #
 443                             # For example:
 444                             #  - 7am30, seuls contre tout, 1h30
 445                             #  - 8am, du pied gauche & la voix de la rue, 1h
 446                             # should produce: (this is case A)
 447                             #  |      7:30-9:00      |
 448                             #  |  seuls contre tout  |
 449                             #  |---------------------|
 450                             #  |      8:00-9:00      |
 451                             #  |   du pied gauche    |
 452                             #  |  la voix de la rue  |
 453                             #
 454                             # On the other hand, if all three emissions started
 455                             # at 7am30, we want: (this is case B)
 456                             #  |      7:30-9:00      |
 457                             #  |  seuls contre tout  |
 458                             #  |   du pied gauche    |
 459                             #  |  la voix de la rue  |
 460                             # that is we merge all of them, ignoring the fact
 461                             # that the other emissions will stop at 8am30
 462                             current_cell_schedules = set(grid[i][j].schedules)
 463                             current_cell_emissions = set([x.emission for x in current_cell_schedules])
 464                             cursor = 1
 465                             while True and current_cell_schedules:
 466                                 same_cell_below = [x for x in grid[i+cursor] if x.y == grid[i][j].y]
 467                                 if not same_cell_below:
 468                                     cursor += 1
 469                                     continue
 470                                 same_cell_below = same_cell_below[0]
 471                                 same_cell_below_emissions = set([x.emission for x in same_cell_below.schedules])
 472
 473                                 if current_cell_emissions.issubset(same_cell_below_emissions):
 474                                     # this handles case A (see comment above)
 475                                     for schedule in current_cell_schedules:
 476                                         if schedule in same_cell_below.schedules:
 477                                             same_cell_below.schedules.remove(schedule)
 478                                 elif same_cell_below_emissions and \
 479                                         current_cell_emissions.issuperset(same_cell_below_emissions):
 480                                     # this handles case B (see comment above)
 481                                     # we set the cell time label to the longest
 482                                     # period
 483                                     grid[i][j].time_label = same_cell_below.time_label
 484                                     # then we sort emissions so the longest are
 485                                     # put first
 486                                     grid[i][j].schedules.sort(
 487                                             lambda x, y: -cmp(x.get_duration(), y.get_duration()))
 488                                     # then we add individual time labels to the
 489                                     # other schedules
 490                                     for schedule in current_cell_schedules:
 491                                         if schedule not in same_cell_below.schedules:
 492                                             end_time = schedule.datetime + timedelta(
 493                                                     minutes=schedule.get_duration())
 494                                             schedule.time_label = '%02d:%02d-%02d:%02d' % (
 495                                                     schedule.datetime.hour,
 496                                                     schedule.datetime.minute,
 497                                                     end_time.hour,
 498                                                     end_time.minute)
 499                                     grid[i][j].h += 1
 500                                     grid[i+cursor].remove(same_cell_below)
 501                                 elif same_cell_below_emissions and \
 502                                         current_cell_emissions.intersection(same_cell_below_emissions):
 503                                     same_cell_below.schedules = [x for x in
 504                                             same_cell_below.schedules if
 505                                             x.emission not in
 506                                             current_cell_emissions or
 507                                             x.get_duration() < 30]
 508                                 cursor += 1
 509                             break
 510                 except IndexError:
 511                     pass
 512
 513         # cut night
 514         grid = grid[:28]
 515         times = times[:28]
 516
 517         context['grid'] = grid
 518         context['times'] = times
 519         context['categories'] = Category.objects.all()
 520         context['weekdays'] = ['Lundi', 'Mardi', 'Mercredi', 'Jeudi',
 521                 'Vendredi', 'Samedi', 'Dimanche']
 522
 523         return context
 524
 525 grid = Grid.as_view()
 526
 527
 528 class Home(TemplateView):
 529     template_name = 'home.html'
 530
 531     def get_context_data(self, **kwargs):
 532         context = super(Home, self).get_context_data(**kwargs)
 533         context['emissions'] = Emission.objects.filter(archived=False).order_by('title')
 534         context['newsitems'] = NewsItem.objects.exclude(date__gt=date.today()
 535                 ).exclude(expiration_date__lt=date.today()).order_by('-date')[:3]
 536
 537         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 538                 podcastable=True, fragment=False) \
 539                 .select_related().extra(select={
 540                     'first_diffusion': 'emissions_diffusion.datetime', },
 541                     select_params=(False, True),
 542                     where=['''datetime = (SELECT MIN(datetime)
 543                                             FROM emissions_diffusion
 544                                         WHERE episode_id = emissions_episode.id)'''],
 545                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:3]
 546
 547         context['newsletter_form'] = SubscribeForm()
 548         context['extra_pages'] = Page.objects.filter(exclude_from_navigation=False)
 549
 550         return context
 551
 552 home = Home.as_view()
 553
 554 class NewsItemView(DetailView):
 555     model = NewsItem
 556     def get_context_data(self, **kwargs):
 557         context = super(NewsItemView, self).get_context_data(**kwargs)
 558         context['categories'] = NewsCategory.objects.all()
 559         context['news'] = NewsItem.objects.all().order_by('-date')
 560         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(newsitem=self.object)]
 561         return context
 562 newsitemview = NewsItemView.as_view()
 563
 564 class News(TemplateView):
 565     template_name = 'news.html'
 566     def get_context_data(self, **kwargs):
 567         context = super(News, self).get_context_data(**kwargs)
 568         context['focus'] = NewsItem.objects.exclude(date__gt=date.today()).filter(got_focus__isnull=False).select_related('category').order_by('-date')[:10]
 569         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 570         return context
 571
 572 news = News.as_view()
 573
 574
 575 class Agenda(TemplateView):
 576     template_name = 'agenda.html'
 577     def get_context_data(self, **kwargs):
 578         context = super(Agenda, self).get_context_data(**kwargs)
 579         context['agenda'] = NewsItem.objects.exclude(date__gt=date.today()).filter(
 580                 event_date__gte=date.today()).order_by('date')[:20]
 581         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 582         context['previous_month'] = datetime.today().replace(day=1) - timedelta(days=2)
 583         return context
 584
 585 agenda = Agenda.as_view()
 586
 587
 588 class AgendaByMonth(MonthArchiveView):
 589     template_name = 'agenda.html'
 590     queryset = NewsItem.objects.filter(event_date__isnull=False)
 591     allow_future = True
 592     date_field = 'event_date'
 593     month_format = '%m'
 594
 595     def get_context_data(self, **kwargs):
 596         context = super(AgendaByMonth, self).get_context_data(**kwargs)
 597         context['agenda'] = context['object_list']
 598         context['news'] = NewsItem.objects.all().order_by('-date')
 599         return context
 600
 601 agenda_by_month = AgendaByMonth.as_view()
 602
 603
 604 class Emissions(TemplateView):
 605     template_name = 'emissions.html'
 606
 607     def get_context_data(self, **kwargs):
 608         context = super(Emissions, self).get_context_data(**kwargs)
 609         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=False).order_by('title')
 610         context['categories'] = Category.objects.all()
 611         return context
 612
 613 emissions = Emissions.as_view()
 614
 615 class EmissionsArchives(TemplateView):
 616     template_name = 'emissions/archives.html'
 617
 618     def get_context_data(self, **kwargs):
 619         context = super(EmissionsArchives, self).get_context_data(**kwargs)
 620         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=True).order_by('title')
 621         context['categories'] = Category.objects.all()
 622         return context
 623 emissionsArchives = EmissionsArchives.as_view()
 624
 625
 626 class Listen(TemplateView):
 627     template_name = 'listen.html'
 628
 629     def get_context_data(self, **kwargs):
 630         context = super(Listen, self).get_context_data(**kwargs)
 631         context['focus'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 632                 podcastable=True, got_focus__isnull=False) \
 633                 .select_related().extra(select={
 634                     'first_diffusion': 'emissions_diffusion.datetime', },
 635                     select_params=(False, True),
 636                     where=['''datetime = (SELECT MIN(datetime)
 637                                             FROM emissions_diffusion
 638                                         WHERE episode_id = emissions_episode.id)'''],
 639                     tables=['emissions_diffusion'],).order_by('-first_diffusion').distinct() [:10]
 640         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 641                 podcastable=True) \
 642                 .select_related().extra(select={
 643                     'first_diffusion': 'emissions_diffusion.datetime', },
 644                     select_params=(False, True),
 645                     where=['''datetime = (SELECT MIN(datetime)
 646                                             FROM emissions_diffusion
 647                                         WHERE episode_id = emissions_episode.id)'''],
 648                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct()
 649
 650
 651         return context
 652
 653 listen = Listen.as_view()
 654
 655 @cache_control(max_age=15)
 656 @csrf_exempt
 657 def onair(request):
 658     if datetime.now() < datetime(2018, 7, 31, 18, 0):
 659         return {'emission': {'title': 'À partir du 31 juillet 18h', 'url': '/'}}
 660     if date.today() > date(2018, 8, 5):
 661         return {'emission': {'title': "À l'année prochaine, découvrez les podcasts !", 'url': '/'}}
 662     d = whatsonair()
 663     if d.get('episode'):
 664         d['episode'] = {
 665             'title': d['episode'].title,
 666             'url': d['episode'].get_absolute_url()
 667         }
 668     if d.get('emission'):
 669         chat_url = None
 670         if d['emission'].chat_open:
 671             chat_url = reverse('emission-chat', kwargs={'slug': d['emission'].slug})
 672         d['emission'] = {
 673             'title': d['emission'].title,
 674             'url': d['emission'].get_absolute_url(),
 675             'chat': chat_url,
 676         }
 677     if d.get('nonstop'):
 678         d['nonstop'] = {
 679             'title': d['nonstop'].title,
 680         }
 681         playing_txt = os.path.join(settings.MEDIA_ROOT, 'playing.txt')
 682         if os.path.exists(os.path.join(playing_txt)):
 683             d['track_title'] = open(playing_txt).read().strip()
 684     if d.get('current_slot'):
 685         del d['current_slot']
 686     return JsonResponse(d)
 687
 688
 689 class NewsItemDetailView(DetailView):
 690     model = NewsItem
 691
 692 newsitem = NewsItemDetailView.as_view()
 693
 694 class RssCustomPodcastsFeed(Rss201rev2Feed):
 695     def add_root_elements(self, handler):
 696         super(RssCustomPodcastsFeed, self).add_root_elements(handler)
 697         emission = self.feed.get('emission')
 698         if emission and emission.image and emission.image.url:
 699             image_url = emission.image.url
 700         else:
 701             image_url = '/static/img/logo-panik-500.png'
 702         image_url = urlparse.urljoin(self.feed['link'], image_url)
 703         handler.startElement('image', {})
 704         if emission:
 705             handler.addQuickElement('title', emission.title)
 706         else:
 707             handler.addQuickElement('title', 'Radio Esperanzah!')
 708         handler.addQuickElement('url', image_url)
 709         handler.endElement('image')
 710         handler.addQuickElement('itunes:image', None, {'href': image_url})
 711         if emission and emission.subtitle:
 712             handler.addQuickElement('itunes:subtitle', emission.subtitle)
 713
 714     def root_attributes(self):
 715         attrs = super(RssCustomPodcastsFeed, self).root_attributes()
 716         attrs['xmlns:dc'] = 'http://purl.org/dc/elements/1.1/'
 717         attrs['xmlns:itunes'] = 'http://www.itunes.com/dtds/podcast-1.0.dtd'
 718         return attrs
 719
 720     def add_item_elements(self, handler, item):
 721         super(RssCustomPodcastsFeed, self).add_item_elements(handler, item)
 722         explicit = 'no'
 723         for tag in item.get('tags') or []:
 724             handler.addQuickElement('dc:subject', tag)
 725             if tag == 'explicit':
 726                 explicit = 'yes'
 727         if item.get('tags'):
 728             handler.addQuickElement('itunes:keywords', ','.join(item.get('tags')))
 729         handler.addQuickElement('itunes:explicit', explicit)
 730         episode = item.get('episode')
 731         if episode and episode.image and episode.image.url:
 732             image_url = urlparse.urljoin(self.feed['link'], episode.image.url)
 733             handler.addQuickElement('itunes:image', None, {'href': image_url})
 734         soundfile = item.get('soundfile')
 735         if soundfile.duration:
 736             handler.addQuickElement('itunes:duration', '%02d:%02d:%02d' % (
 737                 soundfile.duration / 3600,
 738                 soundfile.duration % 3600 / 60,
 739                 soundfile.duration % 60))
 740
 741
 742 class PodcastsFeed(Feed):
 743     title = 'Radio Esperanzah! - Podcasts'
 744     link = '/'
 745     description_template = 'feed/soundfile.html'
 746     feed_type = RssCustomPodcastsFeed
 747
 748     def items(self):
 749         return SoundFile.objects.select_related().filter(
 750                 podcastable=True).order_by('-creation_timestamp')[:20]
 751
 752     def item_title(self, item):
 753         if item.fragment:
 754             return '%s - %s' % (item.title, item.episode.title)
 755         return '%s - %s' % (item.episode.emission.title, item.episode.title)
 756
 757     def item_link(self, item):
 758         return item.episode.get_absolute_url()
 759
 760     def item_enclosure_url(self, item):
 761         current_site = Site.objects.get(id=settings.SITE_ID)
 762         return add_domain(current_site.domain, item.get_format_url('mp3'))
 763
 764     def item_enclosure_length(self, item):
 765         sound_path = item.get_format_path('mp3')
 766         try:
 767             return os.stat(sound_path)[stat.ST_SIZE]
 768         except OSError:
 769             return 0
 770
 771     def item_enclosure_mime_type(self, item):
 772         return 'audio/mpeg'
 773
 774     def item_pubdate(self, item):
 775         return item.creation_timestamp
 776
 777     def item_extra_kwargs(self, item):
 778         return {'tags': [x.name for x in item.episode.tags.all()],
 779                 'soundfile': item,
 780                 'episode': item.episode}
 781
 782 podcasts_feed = PodcastsFeed()
 783
 784
 785 class RssNewsFeed(Feed):
 786     title = 'Radio Esperanzah!'
 787     link = '/news/'
 788     description_template = 'feed/newsitem.html'
 789
 790     def items(self):
 791         return NewsItem.objects.order_by('-date')[:20]
 792
 793 rss_news_feed = RssNewsFeed()
 794
 795 class Atom1FeedWithBaseXml(Atom1Feed):
 796     def root_attributes(self):
 797         root_attributes = super(Atom1FeedWithBaseXml, self).root_attributes()
 798         scheme, netloc, path, params, query, fragment  = urlparse.urlparse(self.feed['feed_url'])
 799         root_attributes['xml:base'] = urlparse.urlunparse((scheme, netloc, '/', params, query, fragment))
 800         return root_attributes
 801
 802 class AtomNewsFeed(RssNewsFeed):
 803     feed_type = Atom1FeedWithBaseXml
 804
 805 atom_news_feed = AtomNewsFeed()
 806
 807
 808 class EmissionPodcastsFeed(PodcastsFeed):
 809     description_template = 'feed/soundfile.html'
 810     feed_type = RssCustomPodcastsFeed
 811
 812     def __call__(self, request, *args, **kwargs):
 813         self.emission = Emission.objects.get(slug=kwargs.get('slug'))
 814         return super(EmissionPodcastsFeed, self).__call__(request, *args, **kwargs)
 815
 816     @property
 817     def title(self):
 818         return self.emission.title
 819
 820     @property
 821     def link(self):
 822         return reverse('emission-view', kwargs={'slug': self.emission.slug})
 823
 824     def feed_extra_kwargs(self, obj):
 825         return {'emission': self.emission}
 826
 827     def items(self):
 828         return SoundFile.objects.select_related().filter(
 829                 podcastable=True,
 830                 episode__emission__slug=self.emission.slug).order_by('-creation_timestamp')[:20]
 831
 832 emission_podcasts_feed = EmissionPodcastsFeed()
 833
 834
 835 class Party(TemplateView):
 836     template_name = 'party.html'
 837
 838     def get_context_data(self, **kwargs):
 839         context = super(Party, self).get_context_data(**kwargs)
 840         t = random.choice(['newsitem']*2 + ['emission']*3 + ['soundfile']*1 + ['episode']*2)
 841         focus = Focus()
 842         if t == 'newsitem':
 843             focus.newsitem = NewsItem.objects.exclude(
 844                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 845         elif t == 'emission':
 846             focus.emission = Emission.objects.exclude(
 847                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 848         elif t == 'episode':
 849             focus.episode = Episode.objects.exclude(
 850                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 851         elif t == 'soundfile':
 852             focus.soundfile = SoundFile.objects.exclude(
 853                     episode__image__isnull=True).exclude(episode__image__exact='').order_by('?')[0]
 854
 855         context['focus'] = focus
 856
 857         return context
 858
 859 party = Party.as_view()
 860
 861
 862
 863 class Chat(DetailView, EmissionMixin):
 864     model = Emission
 865     template_name = 'chat.html'
 866
 867 chat = cache_control(max_age=15)(Chat.as_view())
 868
 869
 870
 871 class ArchivesView(TemplateView):
 872     template_name = 'archives.html'
 873
 874     def get_context_data(self, **kwargs):
 875         context = super(ArchivesView, self).get_context_data(**kwargs)
 876         context['diffusions'] = Diffusion.objects.filter(episode__soundfile__isnull=False).distinct().order_by('-datetime')
 877         return context
 878
 879 archives = ArchivesView.as_view()