panikweb/views.py

   1 from datetime import datetime, timedelta, date
   2 import math
   3 import random
   4 import os
   5 import stat
   6 import time
   7
   8 from django.core.urlresolvers import reverse
   9 from django.conf import settings
  10 from django.http import Http404, JsonResponse
  11 from django.utils.encoding import force_text
  12 from django.utils.encoding import python_2_unicode_compatible
  13 from django.utils.six.moves.urllib import parse as urlparse
  14 from django.views.decorators.cache import cache_control
  15 from django.views.generic.base import TemplateView
  16 from django.views.generic.detail import DetailView
  17 from django.views.decorators.csrf import csrf_exempt
  18 from django.views.generic.dates import _date_from_string
  19 from django.views.generic.dates import MonthArchiveView
  20
  21 from django.core.paginator import Paginator
  22
  23 from django.contrib.sites.models import Site
  24 from django.contrib.syndication.views import Feed, add_domain
  25 from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
  26
  27 from haystack.query import SearchQuerySet
  28
  29 from emissions.models import Category, Emission, Episode, Diffusion, SoundFile, \
  30         Schedule, Nonstop, NewsItem, NewsCategory, Focus
  31
  32 from emissions.utils import whatsonair, period_program
  33
  34 from newsletter.forms import SubscribeForm
  35 from nonstop.utils import get_current_nonstop_track
  36 from nonstop.models import SomaLogLine
  37
  38 from panikombo.models import ItemTopik
  39
  40 from . import utils
  41
  42
  43 class EmissionMixin:
  44     def get_emission_context(self, emission, episode_ids=None):
  45         context = {}
  46
  47         # get all episodes, with an additional attribute to get the date of
  48         # their first diffusion
  49         episodes_queryset = Episode.objects.select_related()
  50         if episode_ids is not None:
  51             episodes_queryset = episodes_queryset.filter(id__in=episode_ids)
  52         else:
  53             episodes_queryset = episodes_queryset.filter(emission=emission)
  54
  55         context['episodes'] = \
  56                 episodes_queryset.extra(select={
  57                         'first_diffusion': 'emissions_diffusion.datetime',
  58                         },
  59                         select_params=(False, True),
  60                         where=['''datetime = (SELECT MIN(datetime)
  61                                                 FROM emissions_diffusion
  62                                                WHERE episode_id = emissions_episode.id
  63                                                  AND datetime <= CURRENT_TIMESTAMP)'''],
  64                         tables=['emissions_diffusion'],
  65                     ).order_by('-first_diffusion').distinct()
  66
  67         context['futurEpisodes'] = \
  68                 episodes_queryset.extra(select={
  69                         'first_diffusion': 'emissions_diffusion.datetime',
  70                         },
  71                         select_params=(False, True),
  72                         where=['''datetime = (SELECT MIN(datetime)
  73                                                 FROM emissions_diffusion
  74                                                WHERE episode_id = emissions_episode.id
  75                                                  AND datetime > CURRENT_TIMESTAMP)'''],
  76                         tables=['emissions_diffusion'],
  77                     ).order_by('first_diffusion').distinct()
  78
  79
  80         # get all related soundfiles in a single query
  81         soundfiles = {}
  82         if episode_ids is not None:
  83             for episode_id in episode_ids:
  84                 soundfiles[episode_id] = None
  85         else:
  86             for episode in Episode.objects.filter(emission=emission):
  87                 soundfiles[episode.id] = None
  88
  89         for soundfile in SoundFile.objects.select_related().filter(podcastable=True,
  90                 fragment=False, episode__emission=emission):
  91             soundfiles[soundfile.episode_id] = soundfile
  92
  93         Episode.set_prefetched_soundfiles(soundfiles)
  94
  95         #context['futurEpisodes'] = context['episodes'].filter(first_diffusion='2013')[0:3]
  96
  97         return context
  98
  99
 100 class EmissionDetailView(DetailView, EmissionMixin):
 101     model = Emission
 102
 103     def get_context_data(self, **kwargs):
 104         context = super(EmissionDetailView, self).get_context_data(**kwargs)
 105         context['schedules'] = Schedule.objects.select_related().filter(
 106                 emission=self.object).order_by('rerun', 'datetime')
 107         context['news'] = NewsItem.objects.all(
 108                 ).filter(emission=self.object.id
 109                 ).exclude(expiration_date__lt=date.today()  # expiration date
 110                 ).exclude(date__lt=date.today() - timedelta(days=60)
 111                 ).order_by('-date')[:3]
 112         try:
 113             nonstop_object = Nonstop.objects.get(slug=self.object.slug)
 114         except Nonstop.DoesNotExist:
 115             pass
 116         else:
 117             today = date.today()
 118             dates = [today - timedelta(days=x) for x in range(7)]
 119             if datetime.now().time() < nonstop_object.start:
 120                 dates = dates[1:]
 121             context['nonstop'] = nonstop_object
 122             context['nonstop_dates'] = dates
 123         context.update(self.get_emission_context(self.object))
 124         return context
 125 emission = EmissionDetailView.as_view()
 126
 127 class EpisodeDetailView(DetailView, EmissionMixin):
 128     model = Episode
 129
 130     def get_context_data(self, **kwargs):
 131         context = super(EpisodeDetailView, self).get_context_data(**kwargs)
 132         context['diffusions'] = Diffusion.objects.select_related().filter(
 133                 episode=self.object.id).order_by('datetime')
 134         try:
 135             context['emission'] = context['episode'].emission
 136         except Emission.DoesNotExist:
 137             raise Http404()
 138         if self.kwargs.get('emission_slug') != context['emission'].slug:
 139             raise Http404()
 140         context.update(self.get_emission_context(context['emission']))
 141         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(episode=self.object)]
 142         return context
 143 episode = EpisodeDetailView.as_view()
 144
 145
 146 class NonstopPlaylistView(TemplateView):
 147     template_name = 'nonstop_playlist.html'
 148
 149     def get_context_data(self, **kwargs):
 150         context = super(NonstopPlaylistView, self).get_context_data(**kwargs)
 151         try:
 152             context['emission'] = Emission.objects.get(slug=kwargs.get('slug'))
 153         except Emission.DoesNotExist:
 154             raise Http404()
 155         context['date'] = date(int(kwargs.get('year')),
 156                 int(kwargs.get('month')), int(kwargs.get('day')))
 157         context['future'] = (context['date'] >= date.today())
 158
 159         nonstop_object = Nonstop.objects.get(slug=kwargs.get('slug'))
 160         start = datetime(
 161                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 162                 nonstop_object.start.hour, nonstop_object.start.minute)
 163         end = datetime(
 164                 int(kwargs.get('year')), int(kwargs.get('month')), int(kwargs.get('day')),
 165                 nonstop_object.end.hour, nonstop_object.end.minute)
 166         if end < start:
 167             end = end + timedelta(days=1)
 168         context['tracks'] = SomaLogLine.objects.filter(
 169                 play_timestamp__gte=start,
 170                 play_timestamp__lte=end,
 171                 on_air=True).select_related()
 172         return context
 173
 174 nonstop_playlist = NonstopPlaylistView.as_view()
 175
 176 class EmissionEpisodesDetailView(DetailView, EmissionMixin):
 177     model = Emission
 178     template_name = 'emissions/episodes.html'
 179
 180     def get_context_data(self, **kwargs):
 181         context = super(EmissionEpisodesDetailView, self).get_context_data(**kwargs)
 182         context['schedules'] = Schedule.objects.select_related().filter(
 183                 emission=self.object).order_by('rerun', 'datetime')
 184
 185         context['search_query'] = self.request.GET.get('q')
 186         if context['search_query']:
 187             # query string
 188             sqs = SearchQuerySet().models(Episode).filter(
 189                     emission_slug_exact=self.object.slug, text=context['search_query'])
 190             episode_ids = [x.pk for x in sqs]
 191         else:
 192             episode_ids = None
 193
 194         context.update(self.get_emission_context(self.object, episode_ids=episode_ids))
 195         return context
 196 emissionEpisodes = EmissionEpisodesDetailView.as_view()
 197
 198
 199 class SoundFileEmbedView(DetailView):
 200     model = SoundFile
 201     template_name = 'soundfiles/embed.html'
 202
 203     def get_context_data(self, **kwargs):
 204         context = super(SoundFileEmbedView, self).get_context_data(**kwargs)
 205         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 206             raise Http404()
 207         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 208             raise Http404()
 209         context['episode'] = self.object.episode
 210         return context
 211 soundfile_embed = SoundFileEmbedView.as_view()
 212
 213
 214 class SoundFileDialogEmbedView(DetailView):
 215     model = SoundFile
 216     template_name = 'soundfiles/dialog-embed.html'
 217
 218     def get_context_data(self, **kwargs):
 219         context = super(SoundFileDialogEmbedView, self).get_context_data(**kwargs)
 220         if self.kwargs.get('episode_slug') != self.object.episode.slug:
 221             raise Http404()
 222         if self.kwargs.get('emission_slug') != self.object.episode.emission.slug:
 223             raise Http404()
 224         context['episode'] = self.object.episode
 225         return context
 226 soundfile_dlg_embed = SoundFileDialogEmbedView.as_view()
 227
 228
 229
 230 class ProgramView(TemplateView):
 231     template_name = 'program.html'
 232
 233     def get_context_data(self, year=None, week=None, **kwargs):
 234         context = super(ProgramView, self).get_context_data(**kwargs)
 235
 236         context['weekday'] = datetime.today().weekday()
 237
 238         context['week'] = week = int(week) if week is not None else datetime.today().isocalendar()[1]
 239         context['year'] = year = int(year) if year is not None else datetime.today().isocalendar()[0]
 240         context['week_first_day'] = utils.tofirstdayinisoweek(year, week)
 241         context['week_last_day'] = context['week_first_day'] + timedelta(days=6)
 242
 243         return context
 244
 245 program = ProgramView.as_view()
 246
 247 @python_2_unicode_compatible
 248 class TimeCell:
 249     nonstop = None
 250     w = 1
 251     h = 1
 252     time_label = None
 253
 254     def __init__(self, i, j):
 255         self.x = i
 256         self.y = j
 257         self.schedules = []
 258
 259     def add_schedule(self, schedule):
 260         end_time = schedule.datetime + timedelta(
 261                 minutes=schedule.get_duration())
 262         self.time_label = '%02d:%02d-%02d:%02d' % (
 263                 schedule.datetime.hour,
 264                 schedule.datetime.minute,
 265                 end_time.hour,
 266                 end_time.minute)
 267         self.schedules.append(schedule)
 268
 269     def sorted_schedules(self):
 270         return sorted(self.schedules, key=lambda x: x.week_sort_key())
 271
 272     def __str__(self):
 273         if self.schedules:
 274             return ', '.join([x.emission.title for x in self.schedules])
 275         else:
 276             return self.nonstop
 277
 278     def __eq__(self, other):
 279         return (force_text(self) == force_text(other) and self.time_label == other.time_label)
 280
 281
 282 class Grid(TemplateView):
 283     template_name = 'grid.html'
 284
 285     def get_context_data(self, **kwargs):
 286         context = super(Grid, self).get_context_data(**kwargs)
 287
 288         nb_lines = 2 * 24 # the cells are half hours
 289         grid = []
 290
 291         times = ['%02d:%02d' % (x/2, x%2*30) for x in range(nb_lines)]
 292         # start grid after the night programs
 293         times = times[2*Schedule.DAY_HOUR_START:] + times[:2*Schedule.DAY_HOUR_START]
 294
 295         nonstops = []
 296         for nonstop in Nonstop.objects.all():
 297             if nonstop.start == nonstop.end:
 298                 continue
 299             if nonstop.start < nonstop.end:
 300                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 301                                  nonstop.end.hour + nonstop.end.minute/60.,
 302                                  nonstop.title, nonstop.slug, nonstop])
 303             else:
 304                 # crossing midnight
 305                 nonstops.append([nonstop.start.hour + nonstop.start.minute/60.,
 306                                  24,
 307                                  nonstop.title, nonstop.slug, nonstop])
 308                 nonstops.append([0,
 309                                  nonstop.end.hour + nonstop.end.minute/60.,
 310                                  nonstop.title, nonstop.slug, nonstop])
 311         nonstops.sort()
 312
 313         for i in range(nb_lines):
 314             grid.append([])
 315             for j in range(7):
 316                 grid[-1].append(TimeCell(i, j))
 317
 318             nonstop = [x for x in nonstops if i>=x[0]*2 and i<x[1]*2][0]
 319             for time_cell in grid[-1]:
 320                 time_cell.nonstop = nonstop[2]
 321                 time_cell.nonstop_slug = nonstop[3]
 322                 time_cell.redirect_path = nonstop[4].redirect_path
 323                 if nonstop[1] == 5:
 324                     # the one ending at 5am will be cut down, so we inscribe
 325                     # its duration manually
 326                     time_cell.time_label = '%02d:00-%02d:00' % (
 327                             nonstop[0], nonstop[1])
 328
 329         for schedule in Schedule.objects.prefetch_related(
 330                 'emission__categories').select_related().order_by('datetime'):
 331             row_start = schedule.datetime.hour * 2 + \
 332                     int(math.ceil(schedule.datetime.minute / 30))
 333             day_no = schedule.get_weekday()
 334
 335             for step in range(int(math.ceil(schedule.get_duration() / 30.))):
 336                 if grid[(row_start+step)%nb_lines][day_no] is None:
 337                     grid[(row_start+step)%nb_lines][day_no] = TimeCell()
 338                 grid[(row_start+step)%nb_lines][day_no].add_schedule(schedule)
 339
 340         # start grid after the night programs
 341         grid = grid[2*Schedule.DAY_HOUR_START:] + grid[:2*Schedule.DAY_HOUR_START]
 342
 343         # look for the case where the same emission has different schedules for
 344         # the same time cell, for example if it lasts one hour the first week,
 345         # and two hours the third week.
 346         for i in range(nb_lines):
 347             grid[i] = [x for x in grid[i] if x is not None]
 348             for j, cell in enumerate(grid[i]):
 349                 if grid[i][j] is None:
 350                     continue
 351                 if len(grid[i][j].schedules) > 1:
 352                     time_cell_emissions = {}
 353                     for schedule in grid[i][j].schedules:
 354                         if not schedule.emission.id in time_cell_emissions:
 355                             time_cell_emissions[schedule.emission.id] = []
 356                         time_cell_emissions[schedule.emission.id].append(schedule)
 357                     for schedule_list in time_cell_emissions.values():
 358                         if len(schedule_list) == 1:
 359                             continue
 360                         # here it is, same cell, same emission, several
 361                         # schedules
 362                         schedule_list.sort(key=lambda x: x.get_duration())
 363
 364                         schedule = schedule_list[0]
 365                         end_time = schedule.datetime + timedelta(
 366                                 minutes=schedule.get_duration())
 367                         grid[i][j].time_label = '%02d:%02d-%02d:%02d' % (
 368                                 schedule.datetime.hour,
 369                                 schedule.datetime.minute,
 370                                 end_time.hour,
 371                                 end_time.minute)
 372
 373                         for schedule in schedule_list[1:]:
 374                             grid[i][j].schedules.remove(schedule)
 375                             end_time = schedule.datetime + timedelta(minutes=schedule.get_duration())
 376                             schedule_list[0].time_label_extra = ', -%02d:%02d %s' % (
 377                                     end_time.hour, end_time.minute, schedule.weeks_string)
 378
 379         # merge adjacent
 380
 381         # 1st thing is to merge cells on the same line, this will mostly catch
 382         # consecutive nonstop cells
 383         for i in range(nb_lines):
 384             for j, cell in enumerate(grid[i]):
 385                 if grid[i][j] is None:
 386                     continue
 387                 t = 1
 388                 try:
 389                     # if the cells are identical, they are removed from the
 390                     # grid, and current cell width is increased
 391                     while grid[i][j+t] == cell:
 392                         cell.w += 1
 393                         grid[i][j+t] = None
 394                         t += 1
 395                 except IndexError:
 396                     pass
 397
 398             # once we're done we remove empty cells
 399             grid[i] = [x for x in grid[i] if x is not None]
 400
 401         # 2nd thing is to merge cells vertically, this is emissions that last
 402         # for more than 30 minutes
 403         for i in range(nb_lines):
 404             grid[i] = [x for x in grid[i] if x is not None]
 405             for j, cell in enumerate(grid[i]):
 406                 if grid[i][j] is None:
 407                     continue
 408                 t = 1
 409                 try:
 410                     while True:
 411                         # we look if the next time cell has the same emissions
 412                         same_cell_below = [(bj, x) for bj, x in enumerate(grid[i+cell.h])
 413                                            if x == cell and x.y == cell.y and x.w == cell.w]
 414                         if same_cell_below:
 415                             # if the cell was identical, we remove it and
 416                             # increase current cell height
 417                             bj, same_cell_below = same_cell_below[0]
 418                             del grid[i+cell.h][bj]
 419                             cell.h += 1
 420                         else:
 421                             # if the cell is different, we have a closer look
 422                             # to it, so we can remove emissions that will
 423                             # already be mentioned in the current cell.
 424                             #
 425                             # For example:
 426                             #  - 7am30, seuls contre tout, 1h30
 427                             #  - 8am, du pied gauche & la voix de la rue, 1h
 428                             # should produce: (this is case A)
 429                             #  |      7:30-9:00      |
 430                             #  |  seuls contre tout  |
 431                             #  |---------------------|
 432                             #  |      8:00-9:00      |
 433                             #  |   du pied gauche    |
 434                             #  |  la voix de la rue  |
 435                             #
 436                             # On the other hand, if all three emissions started
 437                             # at 7am30, we want: (this is case B)
 438                             #  |      7:30-9:00      |
 439                             #  |  seuls contre tout  |
 440                             #  |   du pied gauche    |
 441                             #  |  la voix de la rue  |
 442                             # that is we merge all of them, ignoring the fact
 443                             # that the other emissions will stop at 8am30
 444                             current_cell_schedules = set(grid[i][j].schedules)
 445                             current_cell_emissions = set([x.emission for x in current_cell_schedules])
 446                             cursor = 1
 447                             while True and current_cell_schedules:
 448                                 same_cell_below = [x for x in grid[i+cursor] if x.y == grid[i][j].y]
 449                                 if not same_cell_below:
 450                                     cursor += 1
 451                                     continue
 452                                 same_cell_below = same_cell_below[0]
 453                                 same_cell_below_emissions = set([x.emission for x in same_cell_below.schedules])
 454
 455                                 if current_cell_emissions.issubset(same_cell_below_emissions):
 456                                     # this handles case A (see comment above)
 457                                     for schedule in current_cell_schedules:
 458                                         if schedule in same_cell_below.schedules:
 459                                             same_cell_below.schedules.remove(schedule)
 460                                 elif same_cell_below_emissions and \
 461                                         current_cell_emissions.issuperset(same_cell_below_emissions):
 462                                     # this handles case B (see comment above)
 463                                     # we set the cell time label to the longest
 464                                     # period
 465                                     grid[i][j].time_label = same_cell_below.time_label
 466                                     # then we sort emissions so the longest are
 467                                     # put first
 468                                     grid[i][j].schedules.sort(key=lambda x: -x.get_duration())
 469                                     # then we add individual time labels to the
 470                                     # other schedules
 471                                     for schedule in current_cell_schedules:
 472                                         if schedule not in same_cell_below.schedules:
 473                                             end_time = schedule.datetime + timedelta(
 474                                                     minutes=schedule.get_duration())
 475                                             schedule.time_label = '%02d:%02d-%02d:%02d' % (
 476                                                     schedule.datetime.hour,
 477                                                     schedule.datetime.minute,
 478                                                     end_time.hour,
 479                                                     end_time.minute)
 480                                     grid[i][j].h += 1
 481                                     grid[i+cursor].remove(same_cell_below)
 482                                 elif same_cell_below_emissions and \
 483                                         current_cell_emissions.intersection(same_cell_below_emissions):
 484                                     same_cell_below.schedules = [x for x in
 485                                             same_cell_below.schedules if
 486                                             x.emission not in
 487                                             current_cell_emissions or
 488                                             x.get_duration() < 30]
 489                                 cursor += 1
 490                             break
 491                 except IndexError:
 492                     pass
 493
 494         # cut night at 3am
 495         grid = grid[:42]
 496         times = times[:42]
 497
 498         context['grid'] = grid
 499         context['times'] = times
 500         context['categories'] = Category.objects.all()
 501         context['weekdays'] = ['Lundi', 'Mardi', 'Mercredi', 'Jeudi',
 502                 'Vendredi', 'Samedi', 'Dimanche']
 503
 504         return context
 505
 506 grid = Grid.as_view()
 507
 508
 509 class Home(TemplateView):
 510     template_name = 'home.html'
 511
 512     def get_context_data(self, **kwargs):
 513         context = super(Home, self).get_context_data(**kwargs)
 514         context['emissions'] = Emission.objects.filter(archived=False).order_by('-creation_timestamp')[:3]
 515         context['newsitems'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')[:3]
 516
 517         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 518                 podcastable=True, fragment=False) \
 519                 .select_related().extra(select={
 520                     'first_diffusion': 'emissions_diffusion.datetime', },
 521                     select_params=(False, True),
 522                     where=['''datetime = (SELECT MIN(datetime)
 523                                             FROM emissions_diffusion
 524                                         WHERE episode_id = emissions_episode.id)'''],
 525                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct() [:3]
 526
 527         context['newsletter_form'] = SubscribeForm()
 528
 529         return context
 530
 531 home = Home.as_view()
 532
 533 class NewsItemView(DetailView):
 534     model = NewsItem
 535     def get_context_data(self, **kwargs):
 536         context = super(NewsItemView, self).get_context_data(**kwargs)
 537         context['categories'] = NewsCategory.objects.all()
 538         context['news'] = NewsItem.objects.all().order_by('-date')
 539         context['topiks'] = [x.topik for x in ItemTopik.objects.filter(newsitem=self.object)]
 540         return context
 541 newsitemview = NewsItemView.as_view()
 542
 543 class News(TemplateView):
 544     template_name = 'news.html'
 545     def get_context_data(self, **kwargs):
 546         context = super(News, self).get_context_data(**kwargs)
 547         context['focus'] = NewsItem.objects.exclude(date__gt=date.today()  # publication date
 548                 ).exclude(expiration_date__lt=date.today()  # expiration date
 549                 ).filter(got_focus__isnull=False
 550                 ).select_related('category').order_by('-date')[:10]
 551         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 552         return context
 553
 554 news = News.as_view()
 555
 556
 557 class Agenda(TemplateView):
 558     template_name = 'agenda.html'
 559     def get_context_data(self, **kwargs):
 560         context = super(Agenda, self).get_context_data(**kwargs)
 561         context['agenda'] = NewsItem.objects.exclude(date__gt=date.today()).filter(
 562                 event_date__gte=date.today()).order_by('date')[:20]
 563         context['news'] = NewsItem.objects.exclude(date__gt=date.today()).order_by('-date')
 564         context['previous_month'] = datetime.today().replace(day=1) - timedelta(days=2)
 565         return context
 566
 567 agenda = Agenda.as_view()
 568
 569
 570 class AgendaByMonth(MonthArchiveView):
 571     template_name = 'agenda.html'
 572     queryset = NewsItem.objects.filter(event_date__isnull=False)
 573     allow_future = True
 574     date_field = 'event_date'
 575     month_format = '%m'
 576
 577     def get_context_data(self, **kwargs):
 578         context = super(AgendaByMonth, self).get_context_data(**kwargs)
 579         context['agenda'] = context['object_list']
 580         context['news'] = NewsItem.objects.all().order_by('-date')
 581         return context
 582
 583 agenda_by_month = AgendaByMonth.as_view()
 584
 585
 586 class Emissions(TemplateView):
 587     template_name = 'emissions.html'
 588
 589     def get_context_data(self, **kwargs):
 590         context = super(Emissions, self).get_context_data(**kwargs)
 591         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=False).order_by('title')
 592         context['categories'] = Category.objects.all()
 593         return context
 594
 595 emissions = Emissions.as_view()
 596
 597 class EmissionsArchives(TemplateView):
 598     template_name = 'emissions/archives.html'
 599
 600     def get_context_data(self, **kwargs):
 601         context = super(EmissionsArchives, self).get_context_data(**kwargs)
 602         context['emissions'] = Emission.objects.prefetch_related('categories').filter(archived=True).order_by('title')
 603         context['categories'] = Category.objects.all()
 604         return context
 605 emissionsArchives = EmissionsArchives.as_view()
 606
 607
 608 class Listen(TemplateView):
 609     template_name = 'listen.html'
 610
 611     def get_context_data(self, **kwargs):
 612         context = super(Listen, self).get_context_data(**kwargs)
 613         context['focus'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 614                 podcastable=True, got_focus__isnull=False) \
 615                 .select_related().extra(select={
 616                     'first_diffusion': 'emissions_diffusion.datetime', },
 617                     select_params=(False, True),
 618                     where=['''datetime = (SELECT MIN(datetime)
 619                                             FROM emissions_diffusion
 620                                         WHERE episode_id = emissions_episode.id)'''],
 621                     tables=['emissions_diffusion'],).order_by('-first_diffusion').distinct() [:10]
 622         context['soundfiles'] = SoundFile.objects.prefetch_related('episode__emission__categories').filter(
 623                 podcastable=True) \
 624                 .select_related().extra(select={
 625                     'first_diffusion': 'emissions_diffusion.datetime', },
 626                     select_params=(False, True),
 627                     where=['''datetime = (SELECT MIN(datetime)
 628                                             FROM emissions_diffusion
 629                                         WHERE episode_id = emissions_episode.id)'''],
 630                     tables=['emissions_diffusion'],).order_by('-creation_timestamp').distinct()
 631
 632
 633         return context
 634
 635 listen = Listen.as_view()
 636
 637 @cache_control(max_age=15)
 638 @csrf_exempt
 639 def onair(request):
 640     d = whatsonair()
 641     if d.get('episode'):
 642         d['episode'] = {
 643             'title': d['episode'].title,
 644             'url': d['episode'].get_absolute_url()
 645         }
 646     if d.get('emission'):
 647         chat_url = None
 648         if d['emission'].chat_open:
 649             chat_url = reverse('emission-chat', kwargs={'slug': d['emission'].slug})
 650         d['emission'] = {
 651             'title': d['emission'].title,
 652             'url': d['emission'].get_absolute_url(),
 653             'chat': chat_url,
 654         }
 655     if d.get('nonstop'):
 656         redirect_path = d['nonstop'].redirect_path
 657         d['nonstop'] = {
 658             'title': d['nonstop'].title,
 659         }
 660         if redirect_path:
 661             d['nonstop']['url'] = redirect_path
 662         d.update(get_current_nonstop_track())
 663     if d.get('current_slot'):
 664         del d['current_slot']
 665     return JsonResponse({'data': d})
 666
 667
 668 class NewsItemDetailView(DetailView):
 669     model = NewsItem
 670
 671 newsitem = NewsItemDetailView.as_view()
 672
 673 class RssCustomPodcastsFeed(Rss201rev2Feed):
 674     def add_root_elements(self, handler):
 675         super(RssCustomPodcastsFeed, self).add_root_elements(handler)
 676         emission = self.feed.get('emission')
 677         if emission and emission.image and emission.image.url:
 678             image_url = emission.image.url
 679         else:
 680             image_url = '/static/img/logo-panik-500.png'
 681         image_url = urlparse.urljoin(self.feed['link'], image_url)
 682         handler.startElement('image', {})
 683         if emission:
 684             handler.addQuickElement('title', emission.title)
 685         else:
 686             handler.addQuickElement('title', settings.RADIO_NAME)
 687         handler.addQuickElement('url', image_url)
 688         handler.endElement('image')
 689         handler.addQuickElement('itunes:explicit', 'no')  # invidividual items will get their own value
 690         handler.addQuickElement('itunes:image', None, {'href': image_url})
 691         if emission:
 692             if emission.subtitle:
 693                 handler.addQuickElement('itunes:subtitle', emission.subtitle)
 694             for category in emission.categories.all():
 695                 if category.itunes_category:
 696                     handler.addQuickElement('itunes:category', None, {'text': category.itunes_category})
 697
 698             handler.addQuickElement('itunes:author', emission.title)
 699             handler.startElement('itunes:owner', {})
 700             if emission.email:
 701                 handler.addQuickElement('itunes:email', emission.email)
 702             handler.addQuickElement('itunes:name', emission.title)
 703             handler.endElement('itunes:owner')
 704         else:
 705             handler.addQuickElement('itunes:author', settings.RADIO_NAME)
 706             handler.startElement('itunes:owner', {})
 707             handler.addQuickElement('itunes:email', 'info@radiopanik.org')
 708             handler.addQuickElement('itunes:name', settings.RADIO_NAME)
 709             handler.endElement('itunes:owner')
 710
 711     def root_attributes(self):
 712         attrs = super(RssCustomPodcastsFeed, self).root_attributes()
 713         attrs['xmlns:dc'] = 'http://purl.org/dc/elements/1.1/'
 714         attrs['xmlns:itunes'] = 'http://www.itunes.com/dtds/podcast-1.0.dtd'
 715         return attrs
 716
 717     def add_item_elements(self, handler, item):
 718         super(RssCustomPodcastsFeed, self).add_item_elements(handler, item)
 719         explicit = 'no'
 720         for tag in item.get('tags') or []:
 721             handler.addQuickElement('dc:subject', tag)
 722             if tag == 'explicit':
 723                 explicit = 'yes'
 724         if item.get('tags'):
 725             handler.addQuickElement('itunes:keywords', ','.join(item.get('tags')))
 726         handler.addQuickElement('itunes:explicit', explicit)
 727         episode = item.get('episode')
 728         if episode and episode.image and episode.image.url:
 729             image_url = urlparse.urljoin(self.feed['link'], episode.image.url)
 730             handler.addQuickElement('itunes:image', None, {'href': image_url})
 731         soundfile = item.get('soundfile')
 732         if soundfile.duration:
 733             handler.addQuickElement('itunes:duration', '%02d:%02d:%02d' % (
 734                 soundfile.duration / 3600,
 735                 soundfile.duration % 3600 / 60,
 736                 soundfile.duration % 60))
 737
 738
 739 class PodcastsFeed(Feed):
 740     title = '%s - Podcasts' % settings.RADIO_NAME
 741     link = '/'
 742     description_template = 'feed/soundfile.html'
 743     feed_type = RssCustomPodcastsFeed
 744
 745     def items(self):
 746         return SoundFile.objects.select_related().filter(
 747                 podcastable=True).order_by('-creation_timestamp')[:50]
 748
 749     def item_title(self, item):
 750         if item.fragment:
 751             return '[%s] %s - %s' % (item.episode.emission.title, item.title, item.episode.title)
 752         return '[%s] %s' % (item.episode.emission.title, item.episode.title)
 753
 754     def item_link(self, item):
 755         if item.fragment:
 756             return item.episode.get_absolute_url() + '#%s' % item.id
 757         return item.episode.get_absolute_url()
 758
 759     def item_enclosure_url(self, item):
 760         current_site = Site.objects.get(id=settings.SITE_ID)
 761         return add_domain(current_site.domain, item.get_format_url('mp3'))
 762
 763     def item_enclosure_length(self, item):
 764         sound_path = item.get_format_path('mp3')
 765         try:
 766             return os.stat(sound_path)[stat.ST_SIZE]
 767         except OSError:
 768             return 0
 769
 770     def item_enclosure_mime_type(self, item):
 771         return 'audio/mpeg'
 772
 773     def item_pubdate(self, item):
 774         return item.creation_timestamp
 775
 776     def item_extra_kwargs(self, item):
 777         return {'tags': [x.name for x in item.episode.tags.all()],
 778                 'soundfile': item,
 779                 'episode': item.episode}
 780
 781 podcasts_feed = PodcastsFeed()
 782
 783
 784 class RssNewsFeed(Feed):
 785     title = settings.RADIO_NAME
 786     link = '/news/'
 787     description_template = 'feed/newsitem.html'
 788
 789     def items(self):
 790         return NewsItem.objects.order_by('-date')[:20]
 791
 792 rss_news_feed = RssNewsFeed()
 793
 794 class Atom1FeedWithBaseXml(Atom1Feed):
 795     def root_attributes(self):
 796         root_attributes = super(Atom1FeedWithBaseXml, self).root_attributes()
 797         scheme, netloc, path, params, query, fragment  = urlparse.urlparse(self.feed['feed_url'])
 798         root_attributes['xml:base'] = urlparse.urlunparse((scheme, netloc, '/', params, query, fragment))
 799         return root_attributes
 800
 801 class AtomNewsFeed(RssNewsFeed):
 802     feed_type = Atom1FeedWithBaseXml
 803
 804 atom_news_feed = AtomNewsFeed()
 805
 806
 807 class EmissionPodcastsFeed(PodcastsFeed):
 808     description_template = 'feed/soundfile.html'
 809     feed_type = RssCustomPodcastsFeed
 810
 811     def __call__(self, request, *args, **kwargs):
 812         self.emission = Emission.objects.get(slug=kwargs.get('slug'))
 813         return super(EmissionPodcastsFeed, self).__call__(request, *args, **kwargs)
 814
 815     def item_title(self, item):
 816         if item.fragment:
 817             return '%s - %s' % (item.title, item.episode.title)
 818         return item.episode.title
 819
 820     @property
 821     def title(self):
 822         return self.emission.title
 823
 824     @property
 825     def description(self):
 826         return self.emission.subtitle
 827
 828     @property
 829     def link(self):
 830         return reverse('emission-view', kwargs={'slug': self.emission.slug})
 831
 832     def feed_extra_kwargs(self, obj):
 833         return {'emission': self.emission}
 834
 835     def items(self):
 836         return SoundFile.objects.select_related().filter(
 837                 podcastable=True,
 838                 episode__emission__slug=self.emission.slug).order_by('-creation_timestamp')[:50]
 839
 840 emission_podcasts_feed = EmissionPodcastsFeed()
 841
 842
 843 class Party(TemplateView):
 844     template_name = 'party.html'
 845
 846     def get_context_data(self, **kwargs):
 847         context = super(Party, self).get_context_data(**kwargs)
 848         t = random.choice(['newsitem']*2 + ['emission']*3 + ['soundfile']*1 + ['episode']*2)
 849         focus = Focus()
 850         if t == 'newsitem':
 851             focus.newsitem = NewsItem.objects.exclude(
 852                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 853         elif t == 'emission':
 854             focus.emission = Emission.objects.exclude(
 855                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 856         elif t == 'episode':
 857             focus.episode = Episode.objects.exclude(
 858                     image__isnull=True).exclude(image__exact='').order_by('?')[0]
 859         elif t == 'soundfile':
 860             focus.soundfile = SoundFile.objects.exclude(
 861                     episode__image__isnull=True).exclude(episode__image__exact='').order_by('?')[0]
 862
 863         context['focus'] = focus
 864
 865         return context
 866
 867 party = Party.as_view()
 868
 869
 870
 871 class Chat(DetailView, EmissionMixin):
 872     model = Emission
 873     template_name = 'chat.html'
 874
 875 chat = cache_control(max_age=15)(Chat.as_view())