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         context['all_episodes'] = \
  82                 episodes_queryset.extra(select={
  83                         'first_diffusion': 'emissions_diffusion.datetime',
  84                         },
  85                         select_params=(False, True),
  86                         where=['''datetime = (SELECT MIN(datetime)
  87                                                 FROM emissions_diffusion
  88                                                WHERE episode_id = emissions_episode.id
  89                                              )'''],
  90                         tables=['emissions_diffusion'],
  91                     ).order_by('first_diffusion')
  92
  93         # get all related soundfiles in a single query
  94         soundfiles = {}
  95         if episode_ids is not None:
  96             for episode_id in episode_ids:
  97                 soundfiles[episode_id] = None
  98         else:
  99             for episode in Episode.objects.filter(emission=emission):
 100                 soundfiles[episode.id] = None
 101
 102         for soundfile in SoundFile.objects.select_related().filter(podcastable=True,
 103                 fragment=False, episode__emission=emission):
 104             soundfiles[soundfile.episode_id] = soundfile
 105
 106         Episode.set_prefetched_soundfiles(soundfiles)
 107
 108         #context['futurEpisodes'] = context['episodes'].filter(first_diffusion='2013')[0:3]
 109
 110         return context
 111
 112
 113 class EmissionDetailView(DetailView, EmissionMixin):
 114     model = Emission
 115
 116     def get_context_data(self, **kwargs):
 117         context = super(EmissionDetailView, self).get_context_data(**kwargs)
 118         context['schedules'] = Schedule.objects.select_related().filter(
 119                 emission=self.object).order_by('rerun', 'datetime')
 120         context['news'] = NewsItem.objects.all().filter(emission=self.object.id).order_by('-date')[:3]
 121         try:
 122             nonstop_object = Nonstop.objects.get(slug=self.object.slug)
 123         except Nonstop.DoesNotExist:
 124             pass
 125         else:
 126             today = date.today()
 127             dates = [today - timedelta(days=x) for x in range(7)]
 128             if datetime.now().time() < nonstop_object.start:
 129                 dates = dates[1:]
 130             context['nonstop'] = nonstop_object
 131             context['nonstop_dates'] = dates
 132         context.update(self.get_emission_context(self.object))
 133         return context
 134 emission = EmissionDetailView.as_view()
 135
 136 class EpisodeDetailView(DetailView, EmissionMixin):
 137     model = Episode
 138
 139     def get_context_data(self, **kwargs):
 140         context = super(EpisodeDetailView, self).get_context_data(**kwargs)
 141         context['diffusions'] = Diffusion.objects.select_related().filter(
 142                 episode=self.object.id).order_by('datetime')
 143         try:
 144             context['emission'] = context['episode'].emission
 145         except Emission.DoesNotExist:
 146             raise Http404()
 147         if self.kwargs.get('emission_slug') != context['emission'].slug:
 148             raise Http404()
 149         context.update(self.get_emission_context(context['emission']))
 150         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(episode=self.object)]
 151         return context
 152 episode = EpisodeDetailView.as_view()
 153
 154
 155 class NonstopPlaylistView(TemplateView):
 156     template_name = 'nonstop_playlist.html'
 157
 158     def get_context_data(self, **kwargs):
 159         context = super(NonstopPlaylistView, self).get_context_data(**kwargs)
 160         try:
 161             context['emission'] = Emission.objects.get(slug=kwargs.get('slug'))
 162         except Emission.DoesNotExist:
 163             raise Http404()
 164         context['date'] = date(int(kwargs.get('year')),
 165                 int(kwargs.get('month')), int(kwargs.get('day')))
 166         context['future'] = (context['date'] >= date.today())
 167
 168         nonstop_object = Nonstop.objects.get(slug=kwargs.get('slug'))
 169         start = datetime(
 170                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 171                 nonstop_object.start.hour, nonstop_object.start.minute)
 172         end = datetime(
 173                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 174                 nonstop_object.end.hour, nonstop_object.end.minute)
 175         if end < start:
 176             end = end + timedelta(days=1)
 177         context['tracks'] = SomaLogLine.objects.filter(
 178                 play_timestamp__gte=start,
 179                 play_timestamp__lte=end,
 180                 on_air=True).select_related()
 181         return context
 182
 183 nonstop_playlist = NonstopPlaylistView.as_view()
 184
 185 class EmissionEpisodesDetailView(DetailView, EmissionMixin):
 186     model = Emission
 187     template_name = 'emissions/episodes.html'
 188
 189     def get_context_data(self, **kwargs):
 190         context = super(EmissionEpisodesDetailView, self).get_context_data(**kwargs)
 191         context['schedules'] = Schedule.objects.select_related().filter(
 192                 emission=self.object).order_by('rerun', 'datetime')
 193
 194         context['search_query'] = self.request.GET.get('q')
 195         if context['search_query']:
 196             # query string
 197             sqs = SearchQuerySet().models(Episode).filter(
 198                     emission_slug_exact=self.object.slug, text=context['search_query'])
 199             episode_ids = [x.pk for x in sqs]
 200         else:
 201             episode_ids = None
 202
 203         context.update(self.get_emission_context(self.object, episode_ids=episode_ids))
 204         return context
 205 emissionEpisodes = EmissionEpisodesDetailView.as_view()
 206
 207
 208 class SoundFileEmbedView(DetailView):
 209     model = SoundFile
 210     template_name = 'soundfiles/embed.html'
 211
 212     def get_context_data(self, **kwargs):
 213         context = super(SoundFileEmbedView, self).get_context_data(**kwargs)
 214         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 215             raise Http404()
 216         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 217             raise Http404()
 218         context['episode'] = self.object.episode
 219         return context
 220 soundfile_embed = SoundFileEmbedView.as_view()
 221
 222
 223 class SoundFileDialogEmbedView(DetailView):
 224     model = SoundFile
 225     template_name = 'soundfiles/dialog-embed.html'
 226
 227     def get_context_data(self, **kwargs):
 228         context = super(SoundFileDialogEmbedView, self).get_context_data(**kwargs)
 229         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 230             raise Http404()
 231         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 232             raise Http404()
 233         context['episode'] = self.object.episode
 234         return context
 235 soundfile_dlg_embed = SoundFileDialogEmbedView.as_view()
 236
 237
 238
 239 class ProgramView(TemplateView):
 240     template_name = 'program.html'
 241
 242     def get_context_data(self, year=None, week=None, **kwargs):
 243         context = super(ProgramView, self).get_context_data(**kwargs)
 244
 245         context['weekday'] = datetime.today().weekday()
 246
 247         context['week'] = week = int(week) if week is not None else datetime.today().isocalendar()[1]
 248         context['year'] = year = int(year) if year is not None else datetime.today().isocalendar()[0]
 249         context['week_first_day'] = utils.tofirstdayinisoweek(year, week)
 250         context['week_last_day'] = context['week_first_day'] + timedelta(days=6)
 251
 252         return context
 253
 254 program = ProgramView.as_view()
 255
 256 class TimeCell:
 257     nonstop = None
 258     w = 1
 259     h = 1
 260     time_label = None
 261
 262     def __init__(self, i, j):
 263         self.x = i
 264         self.y = j
 265         self.schedules = []
 266
 267     def add_schedule(self, schedule):
 268         end_time = schedule.datetime + timedelta(
 269                 minutes=schedule.get_duration())
 270         self.time_label = '%02d:%02d-%02d:%02d' % (
 271                 schedule.datetime.hour,
 272                 schedule.datetime.minute,
 273                 end_time.hour,
 274                 end_time.minute)
 275         self.schedules.append(schedule)
 276
 277     def __unicode__(self):
 278         if self.schedules:
 279             return ', '.join([x.emission.title for x in self.schedules])
 280         else:
 281             return self.nonstop
 282
 283     def __eq__(self, other):
 284         return (unicode(self) == unicode(other) and self.time_label == other.time_label)
 285
 286
 287 class Grid(TemplateView):
 288     template_name = 'grid.html'
 289
 290     def get_context_data(self, **kwargs):
 291         context = super(Grid, self).get_context_data(**kwargs)
 292
 293         nb_lines = 2 * 24 # the cells are half hours
 294         grid = []
 295
 296         times = ['%02d:%02d' % (x/2, x%2*30) for x in range(nb_lines)]
 297         # start grid after the night programs
 298         times = times[2*Schedule.DAY_HOUR_START:] + times[:2*Schedule.DAY_HOUR_START]
 299
 300         nonstops = []
 301         for nonstop in Nonstop.objects.all():
 302             if nonstop.start == nonstop.end:
 303                 continue
 304             if nonstop.start < nonstop.end:
 305                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 306                                  nonstop.end.hour + nonstop.end.minute/60.,
 307                                  nonstop.title, nonstop.slug])
 308             else:
 309                 # crossing midnight
 310                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 311                                  24,
 312                                  nonstop.title, nonstop.slug])
 313                 nonstops.append([0,
 314                                  nonstop.end.hour + nonstop.end.minute/60.,
 315                                  nonstop.title, nonstop.slug])
 316         nonstops.sort()
 317
 318         for i in range(nb_lines):
 319             grid.append([])
 320             for j in range(7):
 321                 grid[-1].append(TimeCell(i, j))
 322
 323             nonstop = [x for x in nonstops if i>=x[0]*2 and i<x[1]*2][0]
 324             for time_cell in grid[-1]:
 325                 time_cell.nonstop = nonstop[2]
 326                 time_cell.nonstop_slug = nonstop[3]
 327                 if nonstop[1] == 5:
 328                     # the one ending at 5am will be cut down, so we inscribe
 329                     # its duration manually
 330                     time_cell.time_label = '%02d:00-%02d:00' % (
 331                             nonstop[0], nonstop[1])
 332
 333         for schedule in Schedule.objects.prefetch_related(
 334                 'emission__categories').select_related().order_by('datetime'):
 335             row_start = schedule.datetime.hour * 2 + \
 336                     int(math.ceil(schedule.datetime.minute / 30))
 337             day_no = schedule.get_weekday()
 338
 339             for step in range(int(math.ceil(schedule.get_duration() / 30.))):
 340                 if grid[(row_start+step)%nb_lines][day_no] is None:
 341                     grid[(row_start+step)%nb_lines][day_no] = TimeCell()
 342                 grid[(row_start+step)%nb_lines][day_no].add_schedule(schedule)
 343
 344         # start grid after the night programs
 345         grid = grid[2*Schedule.DAY_HOUR_START:] + grid[:2*Schedule.DAY_HOUR_START]
 346
 347         # look for the case where the same emission has different schedules for
 348         # the same time cell, for example if it lasts one hour the first week,
 349         # and two hours the third week.
 350         for i in range(nb_lines):
 351             grid[i] = [x for x in grid[i] if x is not None]
 352             for j, cell in enumerate(grid[i]):
 353                 if grid[i][j] is None:
 354                     continue
 355                 if len(grid[i][j].schedules) > 1:
 356                     time_cell_emissions = {}
 357                     for schedule in grid[i][j].schedules:
 358                         if not schedule.emission.id in time_cell_emissions:
 359                             time_cell_emissions[schedule.emission.id] = []
 360                         time_cell_emissions[schedule.emission.id].append(schedule)
 361                     for schedule_list in time_cell_emissions.values():
 362                         if len(schedule_list) == 1:
 363                             continue
 364                         # here it is, same cell, same emission, several
 365                         # schedules
 366                         schedule_list.sort(lambda x,y: cmp(x.get_duration(), y.get_duration()))
 367
 368                         schedule = schedule_list[0]
 369                         end_time = schedule.datetime + timedelta(
 370                                 minutes=schedule.get_duration())
 371                         grid[i][j].time_label = '%02d:%02d-%02d:%02d' % (
 372                                 schedule.datetime.hour,
 373                                 schedule.datetime.minute,
 374                                 end_time.hour,
 375                                 end_time.minute)
 376
 377                         for schedule in schedule_list[1:]:
 378                             grid[i][j].schedules.remove(schedule)
 379                             end_time = schedule.datetime + timedelta(minutes=schedule.get_duration())
 380                             schedule_list[0].time_label_extra = ', -%02d:%02d %s' % (
 381                                     end_time.hour, end_time.minute, schedule.weeks_string)
 382
 383         # merge adjacent
 384
 385         # 1st thing is to merge cells on the same line, this will mostly catch
 386         # consecutive nonstop cells
 387         for i in range(nb_lines):
 388             for j, cell in enumerate(grid[i]):
 389                 if grid[i][j] is None:
 390                     continue
 391                 t = 1
 392                 try:
 393                     # if the cells are identical, they are removed from the
 394                     # grid, and current cell width is increased
 395                     while grid[i][j+t] == cell:
 396                         cell.w += 1
 397                         grid[i][j+t] = None
 398                         t += 1
 399                 except IndexError:
 400                     pass
 401
 402             # once we're done we remove empty cells
 403             grid[i] = [x for x in grid[i] if x is not None]
 404
 405         # 2nd thing is to merge cells vertically, this is emissions that last
 406         # for more than 30 minutes
 407         for i in range(nb_lines):
 408             grid[i] = [x for x in grid[i] if x is not None]
 409             for j, cell in enumerate(grid[i]):
 410                 if grid[i][j] is None:
 411                     continue
 412                 t = 1
 413                 try:
 414                     while True:
 415                         # we look if the next time cell has the same emissions
 416                         same_cell_below = [(bj, x) for bj, x in enumerate(grid[i+cell.h])
 417                                            if x == cell and x.y == cell.y and x.w == cell.w]
 418                         if same_cell_below:
 419                             # if the cell was identical, we remove it and
 420                             # increase current cell height
 421                             bj, same_cell_below = same_cell_below[0]
 422                             del grid[i+cell.h][bj]
 423                             cell.h += 1
 424                         else:
 425                             # if the cell is different, we have a closer look
 426                             # to it, so we can remove emissions that will
 427                             # already be mentioned in the current cell.
 428                             #
 429                             # For example:
 430                             #  - 7am30, seuls contre tout, 1h30
 431                             #  - 8am, du pied gauche & la voix de la rue, 1h
 432                             # should produce: (this is case A)
 433                             #  |      7:30-9:00      |
 434                             #  |  seuls contre tout  |
 435                             #  |---------------------|
 436                             #  |      8:00-9:00      |
 437                             #  |   du pied gauche    |
 438                             #  |  la voix de la rue  |
 439                             #
 440                             # On the other hand, if all three emissions started
 441                             # at 7am30, we want: (this is case B)
 442                             #  |      7:30-9:00      |
 443                             #  |  seuls contre tout  |
 444                             #  |   du pied gauche    |
 445                             #  |  la voix de la rue  |
 446                             # that is we merge all of them, ignoring the fact
 447                             # that the other emissions will stop at 8am30
 448                             current_cell_schedules = set(grid[i][j].schedules)
 449                             current_cell_emissions = set([x.emission for x in current_cell_schedules])
 450                             cursor = 1
 451                             while True and current_cell_schedules:
 452                                 same_cell_below = [x for x in grid[i+cursor] if x.y == grid[i][j].y]
 453                                 if not same_cell_below:
 454                                     cursor += 1
 455                                     continue
 456                                 same_cell_below = same_cell_below[0]
 457                                 same_cell_below_emissions = set([x.emission for x in same_cell_below.schedules])
 458
 459                                 if current_cell_emissions.issubset(same_cell_below_emissions):
 460                                     # this handles case A (see comment above)
 461                                     for schedule in current_cell_schedules:
 462                                         if schedule in same_cell_below.schedules:
 463                                             same_cell_below.schedules.remove(schedule)
 464                                 elif same_cell_below_emissions and \
 465                                         current_cell_emissions.issuperset(same_cell_below_emissions):
 466                                     # this handles case B (see comment above)
 467                                     # we set the cell time label to the longest
 468                                     # period
 469                                     grid[i][j].time_label = same_cell_below.time_label
 470                                     # then we sort emissions so the longest are
 471                                     # put first
 472                                     grid[i][j].schedules.sort(
 473                                             lambda x, y: -cmp(x.get_duration(), y.get_duration()))
 474                                     # then we add individual time labels to the
 475                                     # other schedules
 476                                     for schedule in current_cell_schedules:
 477                                         if schedule not in same_cell_below.schedules:
 478                                             end_time = schedule.datetime + timedelta(
 479                                                     minutes=schedule.get_duration())
 480                                             schedule.time_label = '%02d:%02d-%02d:%02d' % (
 481                                                     schedule.datetime.hour,
 482                                                     schedule.datetime.minute,
 483                                                     end_time.hour,
 484                                                     end_time.minute)
 485                                     grid[i][j].h += 1
 486                                     grid[i+cursor].remove(same_cell_below)
 487                                 elif same_cell_below_emissions and \
 488                                         current_cell_emissions.intersection(same_cell_below_emissions):
 489                                     same_cell_below.schedules = [x for x in
 490                                             same_cell_below.schedules if
 491                                             x.emission not in
 492                                             current_cell_emissions or
 493                                             x.get_duration() < 30]
 494                                 cursor += 1
 495                             break
 496                 except IndexError:
 497                     pass
 498
 499         # cut night at 3am
 500         grid = grid[:42]
 501         times = times[:42]
 502
 503         context['grid'] = grid
 504         context['times'] = times
 505         context['categories'] = Category.objects.all()
 506         context['weekdays'] = ['Lundi', 'Mardi', 'Mercredi', 'Jeudi',
 507                 'Vendredi', 'Samedi', 'Dimanche']
 508
 509         return context
 510
 511 grid = Grid.as_view()
 512
 513
 514 class Home(TemplateView):
 515     template_name = 'home.html'
 516
 517     def get_context_data(self, **kwargs):
 518         context = super(Home, self).get_context_data(**kwargs)
 519         context['emissions'] = Emission.objects.filter(archived=False).order_by('title')
 520         context['newsitems'] = NewsItem.objects.exclude(date__gt=date.today()
 521                 ).exclude(expiration_date__lt=date.today()).order_by('-date')[:3]
 522
 523         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 524                 podcastable=True, fragment=False) \
 525                 .select_related().extra(select={
 526                     'first_diffusion': 'emissions_diffusion.datetime', },
 527                     select_params=(False, True),
 528                     where=['''datetime = (SELECT MIN(datetime)
 529                                             FROM emissions_diffusion
 530                                         WHERE episode_id = emissions_episode.id)'''],
 531                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:3]
 532
 533         context['newsletter_form'] = SubscribeForm()
 534         context['extra_pages'] = Page.objects.filter(exclude_from_navigation=False)
 535
 536         return context
 537
 538 home = Home.as_view()
 539
 540 class NewsItemView(DetailView):
 541     model = NewsItem
 542     def get_context_data(self, **kwargs):
 543         context = super(NewsItemView, self).get_context_data(**kwargs)
 544         context['categories'] = NewsCategory.objects.all()
 545         context['news'] = NewsItem.objects.all().order_by('-date')
 546         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(newsitem=self.object)]
 547         return context
 548 newsitemview = NewsItemView.as_view()
 549
 550 class News(TemplateView):
 551     template_name = 'news.html'
 552     def get_context_data(self, **kwargs):
 553         context = super(News, self).get_context_data(**kwargs)
 554         context['focus'] = NewsItem.objects.exclude(date__gt=date.today()).filter(got_focus__isnull=False).select_related('category').order_by('-date')[:10]
 555         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 556         return context
 557
 558 news = News.as_view()
 559
 560
 561 class Agenda(TemplateView):
 562     template_name = 'agenda.html'
 563     def get_context_data(self, **kwargs):
 564         context = super(Agenda, self).get_context_data(**kwargs)
 565         context['agenda'] = NewsItem.objects.exclude(date__gt=date.today()).filter(
 566                 event_date__gte=date.today()).order_by('date')[:20]
 567         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 568         context['previous_month'] = datetime.today().replace(day=1) - timedelta(days=2)
 569         return context
 570
 571 agenda = Agenda.as_view()
 572
 573
 574 class AgendaByMonth(MonthArchiveView):
 575     template_name = 'agenda.html'
 576     queryset = NewsItem.objects.filter(event_date__isnull=False)
 577     allow_future = True
 578     date_field = 'event_date'
 579     month_format = '%m'
 580
 581     def get_context_data(self, **kwargs):
 582         context = super(AgendaByMonth, self).get_context_data(**kwargs)
 583         context['agenda'] = context['object_list']
 584         context['news'] = NewsItem.objects.all().order_by('-date')
 585         return context
 586
 587 agenda_by_month = AgendaByMonth.as_view()
 588
 589
 590 class Emissions(TemplateView):
 591     template_name = 'emissions.html'
 592
 593     def get_context_data(self, **kwargs):
 594         context = super(Emissions, self).get_context_data(**kwargs)
 595         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=False).order_by('title')
 596         context['categories'] = Category.objects.all()
 597         return context
 598
 599 emissions = Emissions.as_view()
 600
 601 class EmissionsArchives(TemplateView):
 602     template_name = 'emissions/archives.html'
 603
 604     def get_context_data(self, **kwargs):
 605         context = super(EmissionsArchives, self).get_context_data(**kwargs)
 606         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=True).order_by('title')
 607         context['categories'] = Category.objects.all()
 608         return context
 609 emissionsArchives = EmissionsArchives.as_view()
 610
 611
 612 class Listen(TemplateView):
 613     template_name = 'listen.html'
 614
 615     def get_context_data(self, **kwargs):
 616         context = super(Listen, self).get_context_data(**kwargs)
 617         context['focus'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 618                 podcastable=True, got_focus__isnull=False) \
 619                 .select_related().extra(select={
 620                     'first_diffusion': 'emissions_diffusion.datetime', },
 621                     select_params=(False, True),
 622                     where=['''datetime = (SELECT MIN(datetime)
 623                                             FROM emissions_diffusion
 624                                         WHERE episode_id = emissions_episode.id)'''],
 625                     tables=['emissions_diffusion'],).order_by('-first_diffusion').distinct() [:10]
 626         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 627                 podcastable=True) \
 628                 .select_related().extra(select={
 629                     'first_diffusion': 'emissions_diffusion.datetime', },
 630                     select_params=(False, True),
 631                     where=['''datetime = (SELECT MIN(datetime)
 632                                             FROM emissions_diffusion
 633                                         WHERE episode_id = emissions_episode.id)'''],
 634                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct()
 635
 636
 637         return context
 638
 639 listen = Listen.as_view()
 640
 641 @cache_control(max_age=15)
 642 @csrf_exempt
 643 @to_json('api')
 644 def onair(request):
 645     if date.today() < date(2017, 8, 3):
 646         return {'emission': {'title': 'À partir du 3 août 17h', 'url': '/'}}
 647     if date.today() > date(2017, 8, 6):
 648         return {'emission': {'title': "À l'année prochaine, découvrez les podcasts !", 'url': '/'}}
 649     d = whatsonair()
 650     if d.get('episode'):
 651         d['episode'] = {
 652             'title': d['episode'].title,
 653             'url': d['episode'].get_absolute_url()
 654         }
 655     if d.get('emission'):
 656         chat_url = None
 657         if d['emission'].chat_open:
 658             chat_url = reverse('emission-chat', kwargs={'slug': d['emission'].slug})
 659         d['emission'] = {
 660             'title': d['emission'].title,
 661             'url': d['emission'].get_absolute_url(),
 662             'chat': chat_url,
 663         }
 664     if d.get('nonstop'):
 665         d['nonstop'] = {
 666             'title': d['nonstop'].title,
 667         }
 668         playing_txt = os.path.join(settings.MEDIA_ROOT, 'playing.txt')
 669         if os.path.exists(os.path.join(playing_txt)):
 670             d['track_title'] = open(playing_txt).read().strip()
 671     if d.get('current_slot'):
 672         del d['current_slot']
 673     return d
 674
 675
 676 class NewsItemDetailView(DetailView):
 677     model = NewsItem
 678
 679 newsitem = NewsItemDetailView.as_view()
 680
 681 class RssCustomPodcastsFeed(Rss201rev2Feed):
 682     def add_root_elements(self, handler):
 683         super(RssCustomPodcastsFeed, self).add_root_elements(handler)
 684         emission = self.feed.get('emission')
 685         if emission and emission.image and emission.image.url:
 686             image_url = emission.image.url
 687         else:
 688             image_url = '/static/img/logo-panik-500.png'
 689         image_url = urlparse.urljoin(self.feed['link'], image_url)
 690         handler.startElement('image', {})
 691         if emission:
 692             handler.addQuickElement('title', emission.title)
 693         else:
 694             handler.addQuickElement('title', 'Radio Esperanzah!')
 695         handler.addQuickElement('url', image_url)
 696         handler.endElement('image')
 697         handler.addQuickElement('itunes:image', None, {'href': image_url})
 698         if emission and emission.subtitle:
 699             handler.addQuickElement('itunes:subtitle', emission.subtitle)
 700
 701     def root_attributes(self):
 702         attrs = super(RssCustomPodcastsFeed, self).root_attributes()
 703         attrs['xmlns:dc'] = 'http://purl.org/dc/elements/1.1/'
 704         attrs['xmlns:itunes'] = 'http://www.itunes.com/dtds/podcast-1.0.dtd'
 705         return attrs
 706
 707     def add_item_elements(self, handler, item):
 708         super(RssCustomPodcastsFeed, self).add_item_elements(handler, item)
 709         explicit = 'no'
 710         for tag in item.get('tags') or []:
 711             handler.addQuickElement('dc:subject', tag)
 712             if tag == 'explicit':
 713                 explicit = 'yes'
 714         if item.get('tags'):
 715             handler.addQuickElement('itunes:keywords', ','.join(item.get('tags')))
 716         handler.addQuickElement('itunes:explicit', explicit)
 717         episode = item.get('episode')
 718         if episode and episode.image and episode.image.url:
 719             image_url = urlparse.urljoin(self.feed['link'], episode.image.url)
 720             handler.addQuickElement('itunes:image', None, {'href': image_url})
 721         soundfile = item.get('soundfile')
 722         if soundfile.duration:
 723             handler.addQuickElement('itunes:duration', '%02d:%02d:%02d' % (
 724                 soundfile.duration / 3600,
 725                 soundfile.duration % 3600 / 60,
 726                 soundfile.duration % 60))
 727
 728
 729 class PodcastsFeed(Feed):
 730     title = 'Radio Esperanzah! - Podcasts'
 731     link = '/'
 732     description_template = 'feed/soundfile.html'
 733     feed_type = RssCustomPodcastsFeed
 734
 735     def items(self):
 736         return SoundFile.objects.select_related().filter(
 737                 podcastable=True).order_by('-creation_timestamp')[:20]
 738
 739     def item_title(self, item):
 740         if item.fragment:
 741             return '%s - %s' % (item.title, item.episode.title)
 742         return '%s - %s' % (item.episode.emission.title, item.episode.title)
 743
 744     def item_link(self, item):
 745         return item.episode.get_absolute_url()
 746
 747     def item_enclosure_url(self, item):
 748         current_site = Site.objects.get(id=settings.SITE_ID)
 749         return add_domain(current_site.domain, item.get_format_url('mp3'))
 750
 751     def item_enclosure_length(self, item):
 752         sound_path = item.get_format_path('mp3')
 753         try:
 754             return os.stat(sound_path)[stat.ST_SIZE]
 755         except OSError:
 756             return 0
 757
 758     def item_enclosure_mime_type(self, item):
 759         return 'audio/mpeg'
 760
 761     def item_pubdate(self, item):
 762         return item.creation_timestamp
 763
 764     def item_extra_kwargs(self, item):
 765         return {'tags': [x.name for x in item.episode.tags.all()],
 766                 'soundfile': item,
 767                 'episode': item.episode}
 768
 769 podcasts_feed = PodcastsFeed()
 770
 771
 772 class RssNewsFeed(Feed):
 773     title = 'Radio Esperanzah!'
 774     link = '/news/'
 775     description_template = 'feed/newsitem.html'
 776
 777     def items(self):
 778         return NewsItem.objects.order_by('-date')[:20]
 779
 780 rss_news_feed = RssNewsFeed()
 781
 782 class Atom1FeedWithBaseXml(Atom1Feed):
 783     def root_attributes(self):
 784         root_attributes = super(Atom1FeedWithBaseXml, self).root_attributes()
 785         scheme, netloc, path, params, query, fragment  = urlparse.urlparse(self.feed['feed_url'])
 786         root_attributes['xml:base'] = urlparse.urlunparse((scheme, netloc, '/', params, query, fragment))
 787         return root_attributes
 788
 789 class AtomNewsFeed(RssNewsFeed):
 790     feed_type = Atom1FeedWithBaseXml
 791
 792 atom_news_feed = AtomNewsFeed()
 793
 794
 795 class EmissionPodcastsFeed(PodcastsFeed):
 796     description_template = 'feed/soundfile.html'
 797     feed_type = RssCustomPodcastsFeed
 798
 799     def __call__(self, request, *args, **kwargs):
 800         self.emission = Emission.objects.get(slug=kwargs.get('slug'))
 801         return super(EmissionPodcastsFeed, self).__call__(request, *args, **kwargs)
 802
 803     @property
 804     def title(self):
 805         return '%s - Podcasts' % self.emission.title
 806
 807     @property
 808     def link(self):
 809         return reverse('emission-view', kwargs={'slug': self.emission.slug})
 810
 811     def feed_extra_kwargs(self, obj):
 812         return {'emission': self.emission}
 813
 814     def items(self):
 815         return SoundFile.objects.select_related().filter(
 816                 podcastable=True,
 817                 episode__emission__slug=self.emission.slug).order_by('-creation_timestamp')[:20]
 818
 819 emission_podcasts_feed = EmissionPodcastsFeed()
 820
 821
 822 class Party(TemplateView):
 823     template_name = 'party.html'
 824
 825     def get_context_data(self, **kwargs):
 826         context = super(Party, self).get_context_data(**kwargs)
 827         t = random.choice(['newsitem']*2 + ['emission']*3 + ['soundfile']*1 + ['episode']*2)
 828         focus = Focus()
 829         if t == 'newsitem':
 830             focus.newsitem = NewsItem.objects.exclude(
 831                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 832         elif t == 'emission':
 833             focus.emission = Emission.objects.exclude(
 834                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 835         elif t == 'episode':
 836             focus.episode = Episode.objects.exclude(
 837                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 838         elif t == 'soundfile':
 839             focus.soundfile = SoundFile.objects.exclude(
 840                     episode__image__isnull=True).exclude(episode__image__exact='').order_by('?')[0]
 841
 842         context['focus'] = focus
 843
 844         return context
 845
 846 party = Party.as_view()
 847
 848
 849
 850 class Chat(DetailView, EmissionMixin):
 851     model = Emission
 852     template_name = 'chat.html'
 853
 854 chat = cache_control(max_age=15)(Chat.as_view())