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 combo.data.models import Page
  40 from panikombo.models import ItemTopik
  41
  42 from . import utils
  43
  44
  45 class EmissionMixin:
  46     def get_emission_context(self, emission, episode_ids=None):
  47         context = {}
  48
  49         # get all episodes, with an additional attribute to get the date of
  50         # their first diffusion
  51         episodes_queryset = Episode.objects.select_related()
  52         if episode_ids is not None:
  53             episodes_queryset = episodes_queryset.filter(id__in=episode_ids)
  54         else:
  55             episodes_queryset = episodes_queryset.filter(emission=emission)
  56
  57         context['episodes'] = \
  58                 episodes_queryset.extra(select={
  59                         'first_diffusion': 'emissions_diffusion.datetime',
  60                         },
  61                         select_params=(False, True),
  62                         where=['''datetime = (SELECT MIN(datetime)
  63                                                 FROM emissions_diffusion
  64                                                WHERE episode_id = emissions_episode.id
  65                                                  AND datetime <= CURRENT_TIMESTAMP)'''],
  66                         tables=['emissions_diffusion'],
  67                     ).order_by('-first_diffusion').distinct()
  68
  69         context['futurEpisodes'] = \
  70                 episodes_queryset.extra(select={
  71                         'first_diffusion': 'emissions_diffusion.datetime',
  72                         },
  73                         select_params=(False, True),
  74                         where=['''datetime = (SELECT MIN(datetime)
  75                                                 FROM emissions_diffusion
  76                                                WHERE episode_id = emissions_episode.id
  77                                                  AND datetime > CURRENT_TIMESTAMP)'''],
  78                         tables=['emissions_diffusion'],
  79                     ).order_by('first_diffusion').distinct()
  80
  81         current_year = datetime.now().replace(month=5, day=1)
  82
  83         context['all_episodes'] = episodes_queryset.filter(
  84                 creation_timestamp__gt=current_year
  85                 ).extra(select={
  86                         'first_diffusion': 'emissions_diffusion.datetime',
  87                         },
  88                         select_params=(False, True),
  89                         where=['''datetime = (SELECT MIN(datetime)
  90                                                 FROM emissions_diffusion
  91                                                WHERE episode_id = emissions_episode.id
  92                                              )'''],
  93                         tables=['emissions_diffusion'],
  94                     ).order_by('first_diffusion')
  95
  96         # get all related soundfiles in a single query
  97         soundfiles = {}
  98         if episode_ids is not None:
  99             for episode_id in episode_ids:
 100                 soundfiles[episode_id] = None
 101         else:
 102             for episode in Episode.objects.filter(emission=emission):
 103                 soundfiles[episode.id] = None
 104
 105         for soundfile in SoundFile.objects.select_related().filter(podcastable=True,
 106                 fragment=False, episode__emission=emission):
 107             soundfiles[soundfile.episode_id] = soundfile
 108
 109         Episode.set_prefetched_soundfiles(soundfiles)
 110
 111         #context['futurEpisodes'] = context['episodes'].filter(first_diffusion='2013')[0:3]
 112
 113         return context
 114
 115
 116 class EmissionDetailView(DetailView, EmissionMixin):
 117     model = Emission
 118
 119     def get_context_data(self, **kwargs):
 120         context = super(EmissionDetailView, self).get_context_data(**kwargs)
 121         context['schedules'] = Schedule.objects.select_related().filter(
 122                 emission=self.object).order_by('rerun', 'datetime')
 123         context['news'] = NewsItem.objects.all().filter(emission=self.object.id).order_by('-date')[:3]
 124         try:
 125             nonstop_object = Nonstop.objects.get(slug=self.object.slug)
 126         except Nonstop.DoesNotExist:
 127             pass
 128         else:
 129             today = date.today()
 130             dates = [today - timedelta(days=x) for x in range(7)]
 131             if datetime.now().time() < nonstop_object.start:
 132                 dates = dates[1:]
 133             context['nonstop'] = nonstop_object
 134             context['nonstop_dates'] = dates
 135         context.update(self.get_emission_context(self.object))
 136         return context
 137 emission = EmissionDetailView.as_view()
 138
 139 class EpisodeDetailView(DetailView, EmissionMixin):
 140     model = Episode
 141
 142     def get_context_data(self, **kwargs):
 143         context = super(EpisodeDetailView, self).get_context_data(**kwargs)
 144         context['diffusions'] = Diffusion.objects.select_related().filter(
 145                 episode=self.object.id).order_by('datetime')
 146         try:
 147             context['emission'] = context['episode'].emission
 148         except Emission.DoesNotExist:
 149             raise Http404()
 150         if self.kwargs.get('emission_slug') != context['emission'].slug:
 151             raise Http404()
 152         context.update(self.get_emission_context(context['emission']))
 153         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(episode=self.object)]
 154         return context
 155 episode = EpisodeDetailView.as_view()
 156
 157
 158 class NonstopPlaylistView(TemplateView):
 159     template_name = 'nonstop_playlist.html'
 160
 161     def get_context_data(self, **kwargs):
 162         context = super(NonstopPlaylistView, self).get_context_data(**kwargs)
 163         try:
 164             context['emission'] = Emission.objects.get(slug=kwargs.get('slug'))
 165         except Emission.DoesNotExist:
 166             raise Http404()
 167         context['date'] = date(int(kwargs.get('year')),
 168                 int(kwargs.get('month')), int(kwargs.get('day')))
 169         context['future'] = (context['date'] >= date.today())
 170
 171         nonstop_object = Nonstop.objects.get(slug=kwargs.get('slug'))
 172         start = datetime(
 173                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 174                 nonstop_object.start.hour, nonstop_object.start.minute)
 175         end = datetime(
 176                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 177                 nonstop_object.end.hour, nonstop_object.end.minute)
 178         if end < start:
 179             end = end + timedelta(days=1)
 180         context['tracks'] = SomaLogLine.objects.filter(
 181                 play_timestamp__gte=start,
 182                 play_timestamp__lte=end,
 183                 on_air=True).select_related()
 184         return context
 185
 186 nonstop_playlist = NonstopPlaylistView.as_view()
 187
 188 class EmissionEpisodesDetailView(DetailView, EmissionMixin):
 189     model = Emission
 190     template_name = 'emissions/episodes.html'
 191
 192     def get_context_data(self, **kwargs):
 193         context = super(EmissionEpisodesDetailView, self).get_context_data(**kwargs)
 194         context['schedules'] = Schedule.objects.select_related().filter(
 195                 emission=self.object).order_by('rerun', 'datetime')
 196
 197         context['search_query'] = self.request.GET.get('q')
 198         if context['search_query']:
 199             # query string
 200             sqs = SearchQuerySet().models(Episode).filter(
 201                     emission_slug_exact=self.object.slug, text=context['search_query'])
 202             episode_ids = [x.pk for x in sqs]
 203         else:
 204             episode_ids = None
 205
 206         context.update(self.get_emission_context(self.object, episode_ids=episode_ids))
 207         return context
 208 emissionEpisodes = EmissionEpisodesDetailView.as_view()
 209
 210
 211 class SoundFileEmbedView(DetailView):
 212     model = SoundFile
 213     template_name = 'soundfiles/embed.html'
 214
 215     def get_context_data(self, **kwargs):
 216         context = super(SoundFileEmbedView, self).get_context_data(**kwargs)
 217         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 218             raise Http404()
 219         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 220             raise Http404()
 221         context['episode'] = self.object.episode
 222         return context
 223 soundfile_embed = SoundFileEmbedView.as_view()
 224
 225
 226 class SoundFileDialogEmbedView(DetailView):
 227     model = SoundFile
 228     template_name = 'soundfiles/dialog-embed.html'
 229
 230     def get_context_data(self, **kwargs):
 231         context = super(SoundFileDialogEmbedView, self).get_context_data(**kwargs)
 232         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 233             raise Http404()
 234         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 235             raise Http404()
 236         context['episode'] = self.object.episode
 237         return context
 238 soundfile_dlg_embed = SoundFileDialogEmbedView.as_view()
 239
 240
 241
 242 class ProgramView(TemplateView):
 243     template_name = 'program.html'
 244
 245     def get_context_data(self, year=None, week=None, **kwargs):
 246         context = super(ProgramView, self).get_context_data(**kwargs)
 247
 248         context['weekday'] = datetime.today().weekday()
 249
 250         context['week'] = week = int(week) if week is not None else datetime.today().isocalendar()[1]
 251         context['year'] = year = int(year) if year is not None else datetime.today().isocalendar()[0]
 252         context['week_first_day'] = utils.tofirstdayinisoweek(year, week)
 253         context['week_last_day'] = context['week_first_day'] + timedelta(days=6)
 254
 255         return context
 256
 257 program = ProgramView.as_view()
 258
 259 class TimeCell:
 260     nonstop = None
 261     w = 1
 262     h = 1
 263     time_label = None
 264
 265     def __init__(self, i, j):
 266         self.x = i
 267         self.y = j
 268         self.schedules = []
 269
 270     def add_schedule(self, schedule):
 271         end_time = schedule.datetime + timedelta(
 272                 minutes=schedule.get_duration())
 273         self.time_label = '%02d:%02d-%02d:%02d' % (
 274                 schedule.datetime.hour,
 275                 schedule.datetime.minute,
 276                 end_time.hour,
 277                 end_time.minute)
 278         self.schedules.append(schedule)
 279
 280     def __unicode__(self):
 281         if self.schedules:
 282             return ', '.join([x.emission.title for x in self.schedules])
 283         else:
 284             return self.nonstop
 285
 286     def __eq__(self, other):
 287         return (unicode(self) == unicode(other) and self.time_label == other.time_label)
 288
 289
 290 class Grid(TemplateView):
 291     template_name = 'grid.html'
 292
 293     def get_context_data(self, **kwargs):
 294         context = super(Grid, self).get_context_data(**kwargs)
 295
 296         nb_lines = 2 * 24 # the cells are half hours
 297         grid = []
 298
 299         times = ['%02d:%02d' % (x/2, x%2*30) for x in range(nb_lines)]
 300         # start grid after the night programs
 301         times = times[2*Schedule.DAY_HOUR_START:] + times[:2*Schedule.DAY_HOUR_START]
 302
 303         nonstops = []
 304         for nonstop in Nonstop.objects.all():
 305             if nonstop.start == nonstop.end:
 306                 continue
 307             if nonstop.start < nonstop.end:
 308                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 309                                  nonstop.end.hour + nonstop.end.minute/60.,
 310                                  nonstop.title, nonstop.slug])
 311             else:
 312                 # crossing midnight
 313                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 314                                  24,
 315                                  nonstop.title, nonstop.slug])
 316                 nonstops.append([0,
 317                                  nonstop.end.hour + nonstop.end.minute/60.,
 318                                  nonstop.title, nonstop.slug])
 319         nonstops.sort()
 320
 321         for i in range(nb_lines):
 322             grid.append([])
 323             for j in range(7):
 324                 grid[-1].append(TimeCell(i, j))
 325
 326             nonstop = [x for x in nonstops if i>=x[0]*2 and i<x[1]*2][0]
 327             for time_cell in grid[-1]:
 328                 time_cell.nonstop = nonstop[2]
 329                 time_cell.nonstop_slug = nonstop[3]
 330                 if nonstop[1] == 5:
 331                     # the one ending at 5am will be cut down, so we inscribe
 332                     # its duration manually
 333                     time_cell.time_label = '%02d:00-%02d:00' % (
 334                             nonstop[0], nonstop[1])
 335
 336         for schedule in Schedule.objects.prefetch_related(
 337                 'emission__categories').select_related().order_by('datetime'):
 338             row_start = schedule.datetime.hour * 2 + \
 339                     int(math.ceil(schedule.datetime.minute / 30))
 340             day_no = schedule.get_weekday()
 341
 342             for step in range(int(math.ceil(schedule.get_duration() / 30.))):
 343                 if grid[(row_start+step)%nb_lines][day_no] is None:
 344                     grid[(row_start+step)%nb_lines][day_no] = TimeCell()
 345                 grid[(row_start+step)%nb_lines][day_no].add_schedule(schedule)
 346
 347         # start grid after the night programs
 348         grid = grid[2*Schedule.DAY_HOUR_START:] + grid[:2*Schedule.DAY_HOUR_START]
 349
 350         # look for the case where the same emission has different schedules for
 351         # the same time cell, for example if it lasts one hour the first week,
 352         # and two hours the third week.
 353         for i in range(nb_lines):
 354             grid[i] = [x for x in grid[i] if x is not None]
 355             for j, cell in enumerate(grid[i]):
 356                 if grid[i][j] is None:
 357                     continue
 358                 if len(grid[i][j].schedules) > 1:
 359                     time_cell_emissions = {}
 360                     for schedule in grid[i][j].schedules:
 361                         if not schedule.emission.id in time_cell_emissions:
 362                             time_cell_emissions[schedule.emission.id] = []
 363                         time_cell_emissions[schedule.emission.id].append(schedule)
 364                     for schedule_list in time_cell_emissions.values():
 365                         if len(schedule_list) == 1:
 366                             continue
 367                         # here it is, same cell, same emission, several
 368                         # schedules
 369                         schedule_list.sort(lambda x,y: cmp(x.get_duration(), y.get_duration()))
 370
 371                         schedule = schedule_list[0]
 372                         end_time = schedule.datetime + timedelta(
 373                                 minutes=schedule.get_duration())
 374                         grid[i][j].time_label = '%02d:%02d-%02d:%02d' % (
 375                                 schedule.datetime.hour,
 376                                 schedule.datetime.minute,
 377                                 end_time.hour,
 378                                 end_time.minute)
 379
 380                         for schedule in schedule_list[1:]:
 381                             grid[i][j].schedules.remove(schedule)
 382                             end_time = schedule.datetime + timedelta(minutes=schedule.get_duration())
 383                             schedule_list[0].time_label_extra = ', -%02d:%02d %s' % (
 384                                     end_time.hour, end_time.minute, schedule.weeks_string)
 385
 386         # merge adjacent
 387
 388         # 1st thing is to merge cells on the same line, this will mostly catch
 389         # consecutive nonstop cells
 390         for i in range(nb_lines):
 391             for j, cell in enumerate(grid[i]):
 392                 if grid[i][j] is None:
 393                     continue
 394                 t = 1
 395                 try:
 396                     # if the cells are identical, they are removed from the
 397                     # grid, and current cell width is increased
 398                     while grid[i][j+t] == cell:
 399                         cell.w += 1
 400                         grid[i][j+t] = None
 401                         t += 1
 402                 except IndexError:
 403                     pass
 404
 405             # once we're done we remove empty cells
 406             grid[i] = [x for x in grid[i] if x is not None]
 407
 408         # 2nd thing is to merge cells vertically, this is emissions that last
 409         # for more than 30 minutes
 410         for i in range(nb_lines):
 411             grid[i] = [x for x in grid[i] if x is not None]
 412             for j, cell in enumerate(grid[i]):
 413                 if grid[i][j] is None:
 414                     continue
 415                 t = 1
 416                 try:
 417                     while True:
 418                         # we look if the next time cell has the same emissions
 419                         same_cell_below = [(bj, x) for bj, x in enumerate(grid[i+cell.h])
 420                                            if x == cell and x.y == cell.y and x.w == cell.w]
 421                         if same_cell_below:
 422                             # if the cell was identical, we remove it and
 423                             # increase current cell height
 424                             bj, same_cell_below = same_cell_below[0]
 425                             del grid[i+cell.h][bj]
 426                             cell.h += 1
 427                         else:
 428                             # if the cell is different, we have a closer look
 429                             # to it, so we can remove emissions that will
 430                             # already be mentioned in the current cell.
 431                             #
 432                             # For example:
 433                             #  - 7am30, seuls contre tout, 1h30
 434                             #  - 8am, du pied gauche & la voix de la rue, 1h
 435                             # should produce: (this is case A)
 436                             #  |      7:30-9:00      |
 437                             #  |  seuls contre tout  |
 438                             #  |---------------------|
 439                             #  |      8:00-9:00      |
 440                             #  |   du pied gauche    |
 441                             #  |  la voix de la rue  |
 442                             #
 443                             # On the other hand, if all three emissions started
 444                             # at 7am30, we want: (this is case B)
 445                             #  |      7:30-9:00      |
 446                             #  |  seuls contre tout  |
 447                             #  |   du pied gauche    |
 448                             #  |  la voix de la rue  |
 449                             # that is we merge all of them, ignoring the fact
 450                             # that the other emissions will stop at 8am30
 451                             current_cell_schedules = set(grid[i][j].schedules)
 452                             current_cell_emissions = set([x.emission for x in current_cell_schedules])
 453                             cursor = 1
 454                             while True and current_cell_schedules:
 455                                 same_cell_below = [x for x in grid[i+cursor] if x.y == grid[i][j].y]
 456                                 if not same_cell_below:
 457                                     cursor += 1
 458                                     continue
 459                                 same_cell_below = same_cell_below[0]
 460                                 same_cell_below_emissions = set([x.emission for x in same_cell_below.schedules])
 461
 462                                 if current_cell_emissions.issubset(same_cell_below_emissions):
 463                                     # this handles case A (see comment above)
 464                                     for schedule in current_cell_schedules:
 465                                         if schedule in same_cell_below.schedules:
 466                                             same_cell_below.schedules.remove(schedule)
 467                                 elif same_cell_below_emissions and \
 468                                         current_cell_emissions.issuperset(same_cell_below_emissions):
 469                                     # this handles case B (see comment above)
 470                                     # we set the cell time label to the longest
 471                                     # period
 472                                     grid[i][j].time_label = same_cell_below.time_label
 473                                     # then we sort emissions so the longest are
 474                                     # put first
 475                                     grid[i][j].schedules.sort(
 476                                             lambda x, y: -cmp(x.get_duration(), y.get_duration()))
 477                                     # then we add individual time labels to the
 478                                     # other schedules
 479                                     for schedule in current_cell_schedules:
 480                                         if schedule not in same_cell_below.schedules:
 481                                             end_time = schedule.datetime + timedelta(
 482                                                     minutes=schedule.get_duration())
 483                                             schedule.time_label = '%02d:%02d-%02d:%02d' % (
 484                                                     schedule.datetime.hour,
 485                                                     schedule.datetime.minute,
 486                                                     end_time.hour,
 487                                                     end_time.minute)
 488                                     grid[i][j].h += 1
 489                                     grid[i+cursor].remove(same_cell_below)
 490                                 elif same_cell_below_emissions and \
 491                                         current_cell_emissions.intersection(same_cell_below_emissions):
 492                                     same_cell_below.schedules = [x for x in
 493                                             same_cell_below.schedules if
 494                                             x.emission not in
 495                                             current_cell_emissions or
 496                                             x.get_duration() < 30]
 497                                 cursor += 1
 498                             break
 499                 except IndexError:
 500                     pass
 501
 502         # cut night at 3am
 503         grid = grid[:42]
 504         times = times[:42]
 505
 506         context['grid'] = grid
 507         context['times'] = times
 508         context['categories'] = Category.objects.all()
 509         context['weekdays'] = ['Lundi', 'Mardi', 'Mercredi', 'Jeudi',
 510                 'Vendredi', 'Samedi', 'Dimanche']
 511
 512         return context
 513
 514 grid = Grid.as_view()
 515
 516
 517 class Home(TemplateView):
 518     template_name = 'home.html'
 519
 520     def get_context_data(self, **kwargs):
 521         context = super(Home, self).get_context_data(**kwargs)
 522         context['emissions'] = Emission.objects.filter(archived=False).order_by('title')
 523         context['newsitems'] = NewsItem.objects.exclude(date__gt=date.today()
 524                 ).exclude(expiration_date__lt=date.today()).order_by('-date')[:3]
 525
 526         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 527                 podcastable=True, fragment=False) \
 528                 .select_related().extra(select={
 529                     'first_diffusion': 'emissions_diffusion.datetime', },
 530                     select_params=(False, True),
 531                     where=['''datetime = (SELECT MIN(datetime)
 532                                             FROM emissions_diffusion
 533                                         WHERE episode_id = emissions_episode.id)'''],
 534                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:3]
 535
 536         context['newsletter_form'] = SubscribeForm()
 537         context['extra_pages'] = Page.objects.filter(exclude_from_navigation=False)
 538
 539         return context
 540
 541 home = Home.as_view()
 542
 543 class NewsItemView(DetailView):
 544     model = NewsItem
 545     def get_context_data(self, **kwargs):
 546         context = super(NewsItemView, self).get_context_data(**kwargs)
 547         context['categories'] = NewsCategory.objects.all()
 548         context['news'] = NewsItem.objects.all().order_by('-date')
 549         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(newsitem=self.object)]
 550         return context
 551 newsitemview = NewsItemView.as_view()
 552
 553 class News(TemplateView):
 554     template_name = 'news.html'
 555     def get_context_data(self, **kwargs):
 556         context = super(News, self).get_context_data(**kwargs)
 557         context['focus'] = NewsItem.objects.exclude(date__gt=date.today()).filter(got_focus__isnull=False).select_related('category').order_by('-date')[:10]
 558         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 559         return context
 560
 561 news = News.as_view()
 562
 563
 564 class Agenda(TemplateView):
 565     template_name = 'agenda.html'
 566     def get_context_data(self, **kwargs):
 567         context = super(Agenda, self).get_context_data(**kwargs)
 568         context['agenda'] = NewsItem.objects.exclude(date__gt=date.today()).filter(
 569                 event_date__gte=date.today()).order_by('date')[:20]
 570         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 571         context['previous_month'] = datetime.today().replace(day=1) - timedelta(days=2)
 572         return context
 573
 574 agenda = Agenda.as_view()
 575
 576
 577 class AgendaByMonth(MonthArchiveView):
 578     template_name = 'agenda.html'
 579     queryset = NewsItem.objects.filter(event_date__isnull=False)
 580     allow_future = True
 581     date_field = 'event_date'
 582     month_format = '%m'
 583
 584     def get_context_data(self, **kwargs):
 585         context = super(AgendaByMonth, self).get_context_data(**kwargs)
 586         context['agenda'] = context['object_list']
 587         context['news'] = NewsItem.objects.all().order_by('-date')
 588         return context
 589
 590 agenda_by_month = AgendaByMonth.as_view()
 591
 592
 593 class Emissions(TemplateView):
 594     template_name = 'emissions.html'
 595
 596     def get_context_data(self, **kwargs):
 597         context = super(Emissions, self).get_context_data(**kwargs)
 598         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=False).order_by('title')
 599         context['categories'] = Category.objects.all()
 600         return context
 601
 602 emissions = Emissions.as_view()
 603
 604 class EmissionsArchives(TemplateView):
 605     template_name = 'emissions/archives.html'
 606
 607     def get_context_data(self, **kwargs):
 608         context = super(EmissionsArchives, self).get_context_data(**kwargs)
 609         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=True).order_by('title')
 610         context['categories'] = Category.objects.all()
 611         return context
 612 emissionsArchives = EmissionsArchives.as_view()
 613
 614
 615 class Listen(TemplateView):
 616     template_name = 'listen.html'
 617
 618     def get_context_data(self, **kwargs):
 619         context = super(Listen, self).get_context_data(**kwargs)
 620         context['focus'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 621                 podcastable=True, got_focus__isnull=False) \
 622                 .select_related().extra(select={
 623                     'first_diffusion': 'emissions_diffusion.datetime', },
 624                     select_params=(False, True),
 625                     where=['''datetime = (SELECT MIN(datetime)
 626                                             FROM emissions_diffusion
 627                                         WHERE episode_id = emissions_episode.id)'''],
 628                     tables=['emissions_diffusion'],).order_by('-first_diffusion').distinct() [:10]
 629         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 630                 podcastable=True) \
 631                 .select_related().extra(select={
 632                     'first_diffusion': 'emissions_diffusion.datetime', },
 633                     select_params=(False, True),
 634                     where=['''datetime = (SELECT MIN(datetime)
 635                                             FROM emissions_diffusion
 636                                         WHERE episode_id = emissions_episode.id)'''],
 637                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct()
 638
 639
 640         return context
 641
 642 listen = Listen.as_view()
 643
 644 @cache_control(max_age=15)
 645 @csrf_exempt
 646 @to_json('api')
 647 def onair(request):
 648     if date.today() < date(2017, 8, 3):
 649         return {'emission': {'title': 'À partir du 3 août 17h', 'url': '/'}}
 650     if date.today() > date(2017, 8, 6):
 651         return {'emission': {'title': "À l'année prochaine, découvrez les podcasts !", 'url': '/'}}
 652     d = whatsonair()
 653     if d.get('episode'):
 654         d['episode'] = {
 655             'title': d['episode'].title,
 656             'url': d['episode'].get_absolute_url()
 657         }
 658     if d.get('emission'):
 659         chat_url = None
 660         if d['emission'].chat_open:
 661             chat_url = reverse('emission-chat', kwargs={'slug': d['emission'].slug})
 662         d['emission'] = {
 663             'title': d['emission'].title,
 664             'url': d['emission'].get_absolute_url(),
 665             'chat': chat_url,
 666         }
 667     if d.get('nonstop'):
 668         d['nonstop'] = {
 669             'title': d['nonstop'].title,
 670         }
 671         playing_txt = os.path.join(settings.MEDIA_ROOT, 'playing.txt')
 672         if os.path.exists(os.path.join(playing_txt)):
 673             d['track_title'] = open(playing_txt).read().strip()
 674     if d.get('current_slot'):
 675         del d['current_slot']
 676     return d
 677
 678
 679 class NewsItemDetailView(DetailView):
 680     model = NewsItem
 681
 682 newsitem = NewsItemDetailView.as_view()
 683
 684 class RssCustomPodcastsFeed(Rss201rev2Feed):
 685     def add_root_elements(self, handler):
 686         super(RssCustomPodcastsFeed, self).add_root_elements(handler)
 687         emission = self.feed.get('emission')
 688         if emission and emission.image and emission.image.url:
 689             image_url = emission.image.url
 690         else:
 691             image_url = '/static/img/logo-panik-500.png'
 692         image_url = urlparse.urljoin(self.feed['link'], image_url)
 693         handler.startElement('image', {})
 694         if emission:
 695             handler.addQuickElement('title', emission.title)
 696         else:
 697             handler.addQuickElement('title', 'Radio Esperanzah!')
 698         handler.addQuickElement('url', image_url)
 699         handler.endElement('image')
 700         handler.addQuickElement('itunes:image', None, {'href': image_url})
 701         if emission and emission.subtitle:
 702             handler.addQuickElement('itunes:subtitle', emission.subtitle)
 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 = 'Radio Esperanzah! - Podcasts'
 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' % (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 = 'Radio Esperanzah!'
 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     @property
 807     def title(self):
 808         return '%s - Podcasts' % self.emission.title
 809
 810     @property
 811     def link(self):
 812         return reverse('emission-view', kwargs={'slug': self.emission.slug})
 813
 814     def feed_extra_kwargs(self, obj):
 815         return {'emission': self.emission}
 816
 817     def items(self):
 818         return SoundFile.objects.select_related().filter(
 819                 podcastable=True,
 820                 episode__emission__slug=self.emission.slug).order_by('-creation_timestamp')[:20]
 821
 822 emission_podcasts_feed = EmissionPodcastsFeed()
 823
 824
 825 class Party(TemplateView):
 826     template_name = 'party.html'
 827
 828     def get_context_data(self, **kwargs):
 829         context = super(Party, self).get_context_data(**kwargs)
 830         t = random.choice(['newsitem']*2 + ['emission']*3 + ['soundfile']*1 + ['episode']*2)
 831         focus = Focus()
 832         if t == 'newsitem':
 833             focus.newsitem = NewsItem.objects.exclude(
 834                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 835         elif t == 'emission':
 836             focus.emission = Emission.objects.exclude(
 837                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 838         elif t == 'episode':
 839             focus.episode = Episode.objects.exclude(
 840                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 841         elif t == 'soundfile':
 842             focus.soundfile = SoundFile.objects.exclude(
 843                     episode__image__isnull=True).exclude(episode__image__exact='').order_by('?')[0]
 844
 845         context['focus'] = focus
 846
 847         return context
 848
 849 party = Party.as_view()
 850
 851
 852
 853 class Chat(DetailView, EmissionMixin):
 854     model = Emission
 855     template_name = 'chat.html'
 856
 857 chat = cache_control(max_age=15)(Chat.as_view())