4 from django.conf import settings
5 from django.core.exceptions import ObjectDoesNotExist
6 from django.forms import fields
7 from django.core.urlresolvers import reverse
9 from django.db import models
10 from django.utils.encoding import python_2_unicode_compatible
11 from django.utils.translation import ugettext
12 from django.utils.translation import ugettext_lazy as _
14 from django.db.models.signals import pre_save, post_delete
15 from django.dispatch.dispatcher import receiver
17 from ckeditor.fields import RichTextField
18 from taggit.managers import TaggableManager
20 from .utils import maybe_resize, get_duration
24 ('', _('Unspecified')),
25 ('cc by', _('Creative Commons Attribution')),
26 ('cc by-sa', _('Creative Commons Attribution ShareAlike')),
27 ('cc by-nc', _('Creative Commons Attribution NonCommercial')),
28 ('cc by-nd', _('Creative Commons Attribution NoDerivs')),
29 ('cc by-nc-sa', _('Creative Commons Attribution NonCommercial ShareAlike')),
30 ('cc by-nc-nd', _('Creative Commons Attribution NonCommercial NoDerivs')),
31 ('cc0 / pd', _('Creative Commons Zero / Public Domain')),
32 ('artlibre', _('Art Libre')),
35 PODCAST_SOUND_QUALITY_LIST = (
36 ('standard', _('Standard')),
38 ('highest', _('Highest')),
42 class WeekdayMixin(object):
45 def get_weekday(self):
46 weekday = self.datetime.weekday() + 7
47 if self.datetime.time() < datetime.time(self.DAY_HOUR_START, 0):
52 def is_on_weekday(self, day): # day is [1..7]
53 week_day = self.datetime.weekday()
54 if self.datetime.hour < self.DAY_HOUR_START:
56 week_day = (week_day % 7) + 1
57 if hasattr(self, 'episode'):
58 if self.datetime.hour < self.DAY_HOUR_START:
59 if (self.end_datetime.weekday()+1) == day:
61 return week_day == day
64 @python_2_unicode_compatible
65 class Category(models.Model):
68 verbose_name = _('Category')
69 verbose_name_plural = _('Categories')
72 title = models.CharField(_('Title'), max_length=50)
73 slug = models.SlugField(null=True)
74 itunes_category = models.CharField(_('iTunes Category Name'), max_length=100, null=True)
76 def sorted_emission(self):
77 return self.emission_set.order_by('title')
83 @python_2_unicode_compatible
84 class Colour(models.Model):
87 verbose_name = _('Colour')
88 verbose_name_plural = _('Colours')
91 title = models.CharField(_('Title'), max_length=50)
92 slug = models.SlugField(null=True)
94 def sorted_emission(self):
95 return self.emission_set.order_by('title')
101 @python_2_unicode_compatible
102 class Format(models.Model):
105 verbose_name = _('Format')
106 verbose_name_plural = _('Formats')
109 title = models.CharField(_('Title'), max_length=50)
110 slug = models.SlugField(null=True)
116 def get_emission_image_path(instance, filename):
117 return os.path.join('images', instance.slug,
118 os.path.basename(filename))
121 @python_2_unicode_compatible
122 class Emission(models.Model):
125 verbose_name = _('Emission')
126 verbose_name_plural = _('Emissions')
129 title = models.CharField(_('Title'), max_length=200)
130 slug = models.SlugField(max_length=200)
131 subtitle = models.CharField(_('Subtitle'), max_length=80, null=True, blank=True)
132 text = RichTextField(_('Description'), null=True)
133 archived = models.BooleanField(_('Archived'), default=False)
134 categories = models.ManyToManyField(Category, verbose_name=_('Categories'), blank=True)
135 colours = models.ManyToManyField(Colour, verbose_name=_('Colours'), blank=True)
137 # XXX: languages (models.ManyToManyField(Language))
139 duration = models.IntegerField(_('Duration'), default=60,
140 help_text=_('In minutes'))
142 default_license = models.CharField(_('Default license for podcasts'),
143 max_length=20, blank=True, default='', choices=LICENSES)
144 podcast_sound_quality = models.CharField(_('Podcast sound quality'),
145 max_length=20, default='standard', choices=PODCAST_SOUND_QUALITY_LIST)
146 email = models.EmailField(_('Email'), max_length=254, null=True, blank=True)
147 website = models.URLField(_('Website'), null=True, blank=True)
149 image = models.ImageField(_('Image'),
150 upload_to=get_emission_image_path, max_length=250, null=True, blank=True)
152 chat_open = models.DateTimeField(null=True, blank=True)
154 # denormalized from Focus
155 got_focus = models.DateTimeField(default=None, null=True, blank=True)
156 has_focus = models.BooleanField(default=False)
158 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
159 last_update_timestamp = models.DateTimeField(auto_now=True, null=True)
161 def get_absolute_url(self):
162 return reverse('emission-view', kwargs={'slug': str(self.slug)})
167 def save(self, *args, **kwargs):
168 super(Emission, self).save(*args, **kwargs)
169 if self.id is not None and self.image:
170 maybe_resize(self.image.path)
172 def get_absolute_url(self):
173 return reverse('emission-view',
174 kwargs={'slug': str(self.slug)})
176 def get_schedules(self):
177 return Schedule.objects.filter(emission=self).order_by('datetime')
179 def get_sorted_episodes(self):
180 return self.episode_set.select_related().extra(select={
181 'first_diffusion': 'emissions_diffusion.datetime',
183 select_params=(False, True),
184 where=['''datetime = (SELECT MIN(datetime)
185 FROM emissions_diffusion
186 WHERE episode_id = emissions_episode.id)'''],
187 tables=['emissions_diffusion'],
188 ).order_by('-first_diffusion')
190 def get_sorted_newsitems(self):
191 return self.newsitem_set.select_related().order_by('-date')
193 def get_next_planned_date_and_schedule(self, since=None):
194 schedules = self.schedule_set.filter(rerun=False)
198 since = datetime.datetime.today()
200 for schedule in schedules:
201 possible_dates.append((schedule.get_next_planned_date(since), schedule))
202 possible_dates.sort(key=lambda x: x[0])
203 return possible_dates[0]
205 def get_next_planned_date(self, since=None):
206 result = self.get_next_planned_date_and_schedule(since=since)
207 return result[0] if result else None
209 def get_next_planned_duration(self, since=None):
210 result = self.get_next_planned_date_and_schedule(since=since)
213 return result[1].duration or self.duration
215 @python_2_unicode_compatible
216 class Schedule(models.Model, WeekdayMixin):
219 verbose_name = _('Schedule')
220 verbose_name_plural = _('Schedules')
221 ordering = ['datetime']
224 (0b1111, _('Every week')),
225 (0b0001, _('First week')),
226 (0b0010, _('Second week')),
227 (0b0100, _('Third week')),
228 (0b1000, _('Fourth week')),
229 (0b0101, _('First and third week')),
230 (0b1010, _('Second and fourth week'))
232 emission = models.ForeignKey('Emission', verbose_name=u'Emission')
233 datetime = models.DateTimeField()
234 weeks = models.IntegerField(_('Weeks'), default=15, choices=WEEK_CHOICES)
235 rerun = models.BooleanField(_('Rerun'), default=False)
236 duration = models.IntegerField(_('Duration'), null=True, blank=True,
237 help_text=_('In minutes'))
240 def weeks_string(self):
241 if self.weeks == 0b0001:
242 return ugettext('1st of the month')
243 elif self.weeks == 0b0010:
244 return ugettext('2nd of the month')
245 elif self.weeks == 0b0100:
246 return ugettext('3rd of the month')
247 elif self.weeks == 0b1000:
248 return ugettext('4th of the month')
249 elif self.weeks == 0b0101:
250 return ugettext('1st and 3rd')
251 elif self.weeks == 0b1010:
252 return ugettext('2nd and 4th')
255 def week_sort_key(self):
259 0b0101, # First and third week
260 0b0010, # Second week
261 0b1010, # Second and fourth week
263 0b1000, # Fourth week
265 if self.weeks in order:
266 return order.index(self.weeks)
269 def get_duration(self):
273 return self.emission.duration
276 def end_datetime(self):
277 return self.datetime + datetime.timedelta(minutes=self.get_duration())
279 def match_week(self, week_no):
281 # this is the fifth week of the month, only return True for
282 # emissions scheduled every week.
283 return (self.weeks == 0b1111)
284 if (self.weeks & (0b0001<<(week_no)) == 0):
288 def matches(self, dt):
289 weekday = dt.weekday()
290 if dt.hour < self.DAY_HOUR_START:
292 if weekday != self.get_weekday():
294 if self.weeks != 0b1111:
295 week_no = (dt.day-1) // 7
296 if self.match_week(week_no) is False:
298 if dt.time() >= self.datetime.time() and \
299 dt.time() <= (self.datetime + datetime.timedelta(minutes=self.get_duration())).time():
303 def get_next_planned_date(self, since):
305 monday_since_date = since - datetime.timedelta(days=since.weekday())
306 start_week_date = self.datetime.replace(
307 year=monday_since_date.year,
308 month=monday_since_date.month,
309 day=monday_since_date.day)
310 start_week_date -= datetime.timedelta(days=start_week_date.weekday())
311 start_week_date += datetime.timedelta(days=self.datetime.weekday())
313 week_date = start_week_date + datetime.timedelta(days=i*7)
314 if week_date < since:
316 if self.match_week((week_date.day-1)//7):
317 possible_dates.append(week_date)
318 possible_dates.sort()
319 return possible_dates[0]
323 return u'%s at %s' % (self.emission.title,
324 self.datetime.strftime('%a %H:%M'))
327 def get_episode_image_path(instance, filename):
328 return os.path.join('images', instance.emission.slug,
329 os.path.basename(filename))
332 @python_2_unicode_compatible
333 class Episode(models.Model):
336 verbose_name = _('Episode')
337 verbose_name_plural = _('Episodes')
340 emission = models.ForeignKey('Emission', verbose_name=_('Emission'))
341 title = models.CharField(_('Title'), max_length=200)
342 slug = models.SlugField(max_length=200)
343 subtitle = models.CharField(_('Subtitle'), max_length=150, null=True, blank=True)
344 text = RichTextField(_('Description'), null=True)
345 tags = TaggableManager(_('Tags'), blank=True)
346 duration = models.IntegerField(_('Duration'), null=True, blank=True,
347 help_text=_('In minutes'))
349 image = models.ImageField(_('Image'),
350 upload_to=get_episode_image_path, max_length=250, null=True, blank=True)
352 effective_start = models.DateTimeField(null=True, blank=True)
353 effective_end = models.DateTimeField(null=True, blank=True)
355 # denormalized from Focus
356 got_focus = models.DateTimeField(default=None, null=True, blank=True)
357 has_focus = models.BooleanField(default=False)
359 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
360 last_update_timestamp = models.DateTimeField(auto_now=True, null=True)
362 # XXX: languages (models.ManyToManyField(Language))
367 def save(self, *args, **kwargs):
368 super(Episode, self).save(*args, **kwargs)
369 if self.id is not None and self.image:
370 maybe_resize(self.image.path)
372 def get_duration(self):
376 return self.emission.duration
378 def get_absolute_url(self):
379 return reverse('episode-view',
380 kwargs={'emission_slug': str(self.emission.slug),
381 'slug': str(self.slug)})
384 return (self.soundfile_set.count() > 0)
386 def get_pige_download_url(self):
387 return '%s/%s-%s-%s.wav' % (
388 settings.PIGE_DOWNLOAD_BASE_URL,
389 self.effective_start.strftime('%Y%m%d'),
390 self.effective_start.strftime('%Hh%Mm%S.%f'),
391 self.effective_end.strftime('%Hh%Mm%S.%f'))
396 def set_prefetched_soundfiles(cls, soundfiles):
397 cls._soundfiles.update(soundfiles)
399 def has_prefetched_soundfile(self):
400 return self.id in self._soundfiles
402 def get_prefetched_soundfile(self):
403 return self._soundfiles.get(self.id)
408 def main_sound(self):
409 if self._main_sound is not False:
410 return self._main_sound
412 if self.has_prefetched_soundfile():
413 self._main_sound = self.get_prefetched_soundfile()
414 return self._main_sound
416 t = self.soundfile_set.exclude(podcastable=False).exclude(fragment=True)
418 self._main_sound = t[0]
420 self._main_sound = None
422 return self._main_sound
425 def main_sound(self, value):
426 self._main_sound = value
428 def fragment_sounds(self):
429 return self.soundfile_set.exclude(podcastable=False).exclude(fragment=False)
431 def diffusions(self):
432 return Diffusion.objects.filter(episode=self.id).order_by('datetime')
435 @python_2_unicode_compatible
436 class Diffusion(models.Model, WeekdayMixin):
439 verbose_name = _('Diffusion')
440 verbose_name_plural = _('Diffusions')
441 ordering = ['datetime']
443 episode = models.ForeignKey('Episode', verbose_name=_('Episode'))
444 datetime = models.DateTimeField(_('Date/time'), db_index=True)
447 return u'%s at %02d:%02d' % (self.episode.title, self.datetime.hour,
448 self.datetime.minute)
450 def get_duration(self):
451 return self.episode.get_duration()
454 def end_datetime(self):
455 return self.datetime + datetime.timedelta(minutes=self.get_duration())
458 @python_2_unicode_compatible
459 class Absence(models.Model):
462 verbose_name = _('Absence')
463 verbose_name_plural = _('Absences')
465 emission = models.ForeignKey('Emission', verbose_name=u'Emission')
466 datetime = models.DateTimeField(_('Date/time'), db_index=True)
469 return u'Absence for %s on %s' % (self.emission.title, self.datetime)
472 def get_sound_path(instance, filename):
473 return os.path.join('sounds.orig', instance.episode.emission.slug,
474 os.path.basename(filename))
477 @python_2_unicode_compatible
478 class SoundFile(models.Model):
481 verbose_name = _('Sound file')
482 verbose_name_plural = _('Sound files')
483 ordering = ['creation_timestamp']
485 episode = models.ForeignKey('Episode', verbose_name=_('Episode'))
486 file = models.FileField(_('File'), upload_to=get_sound_path, max_length=250)
487 podcastable = models.BooleanField(_('Podcastable'), default=False,
489 help_text=_('The file can be published online according to SABAM rules.'))
490 fragment = models.BooleanField(_('Fragment'), default=False, db_index=True,
491 help_text=_('The file is some segment or extra content, not the complete recording.'))
492 title = models.CharField(_('Title'), max_length=200)
493 duration = models.IntegerField(_('Duration'), null=True, help_text=_('In seconds'))
495 format = models.ForeignKey('Format', verbose_name=_('Format'), null=True, blank=True)
496 license = models.CharField(_('License'), max_length=20, blank=True, default='', choices=LICENSES)
498 # denormalized from Focus
499 got_focus = models.DateTimeField(default=None, null=True, blank=True)
500 has_focus = models.BooleanField(default=False)
502 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
503 last_update_timestamp = models.DateTimeField(auto_now=True, null=True)
505 def compute_duration(self):
506 for path in (self.get_format_path('ogg'), self.get_format_path('mp3'), self.file.path):
507 self.duration = get_duration(path)
511 def get_format_filename(self, format):
512 return '%s_%05d__%s.%s' % (
515 (self.fragment and '0' or '1'),
518 def get_format_path(self, format):
521 return '%s/%s' % (os.path.dirname(self.file.path).replace('.orig', ''), self.get_format_filename(format))
523 def get_format_url(self, format):
526 return '%s/%s' % (os.path.dirname(self.file.url).replace('.orig', ''), self.get_format_filename(format))
528 def get_duration_string(self):
529 if not self.duration:
531 return '%d:%02d' % (self.duration/60, self.duration%60)
534 return '%s - %s' % (self.title or self.id, self.episode.title)
537 @python_2_unicode_compatible
538 class NewsCategory(models.Model):
541 verbose_name = _('News Category')
542 verbose_name_plural = _('News Categories')
545 title = models.CharField(_('Title'), max_length=50)
546 slug = models.SlugField(null=True)
551 def get_sorted_newsitems(self):
552 return self.newsitem_set.select_related().order_by('-date')
555 def get_newsitem_image_path(instance, filename):
556 return os.path.join('images', 'news', instance.slug,
557 os.path.basename(filename))
560 @python_2_unicode_compatible
561 class NewsItem(models.Model):
564 verbose_name = _('News Item')
565 verbose_name_plural = _('News Items')
568 title = models.CharField(_('Title'), max_length=200)
569 slug = models.SlugField(max_length=200)
570 text = RichTextField(_('Description'))
571 date = models.DateField(_('Publication Date'),
572 help_text=_('The news won\'t appear on the website before this date.'))
573 image = models.ImageField(_('Image'),
574 upload_to=get_newsitem_image_path, max_length=250, null=True, blank=True)
576 tags = TaggableManager(_('Tags'), blank=True)
577 category = models.ForeignKey('NewsCategory', verbose_name=_('Category'), null=True, blank=True)
578 emission = models.ForeignKey('Emission', verbose_name=_('Emission'), null=True, blank=True)
580 expiration_date = models.DateField(_('Expiration Date'), null=True, blank=True)
581 event_date = models.DateField(_('Event Date'), null=True, blank=True,
582 help_text=_('If this is an event, set the date here so it appears in the agenda.'))
584 # denormalized from Focus
585 got_focus = models.DateTimeField(default=None, null=True, blank=True)
586 has_focus = models.BooleanField(default=False)
588 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
589 last_update_timestamp = models.DateTimeField(auto_now=True, null=True)
594 def get_absolute_url(self):
595 return reverse('newsitem-view', kwargs={'slug': str(self.slug)})
598 @python_2_unicode_compatible
599 class Nonstop(models.Model):
602 verbose_name = _('Nonstop zone')
603 verbose_name_plural = _('Nonstop zones')
606 title = models.CharField(_('Title'), max_length=50)
607 slug = models.SlugField()
609 start = models.TimeField(_('Start'))
610 end = models.TimeField(_('End'))
611 text = RichTextField(_('Description'), null=True, blank=True)
612 redirect_path = models.CharField(_('Redirect Path'), max_length=200, blank=True)
618 @python_2_unicode_compatible
619 class Focus(models.Model):
620 title = models.CharField(_('Alternate Title'), max_length=50,
621 null=True, blank=True)
622 newsitem = models.ForeignKey('NewsItem', verbose_name=_('News Item'),
623 null=True, blank=True)
624 emission = models.ForeignKey('Emission', verbose_name=_('Emission'),
625 null=True, blank=True)
626 episode = models.ForeignKey('Episode', verbose_name=_('Episode'),
627 null=True, blank=True)
628 soundfile = models.ForeignKey('SoundFile', verbose_name=_('Sound file'),
629 null=True, blank=True)
630 page = models.ForeignKey('data.Page', verbose_name=_('Page'),
631 null=True, blank=True)
632 current = models.BooleanField('Current', default=True)
634 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
635 last_update_timestamp = models.DateTimeField(auto_now=True, null=True)
639 return u'Newsitem: %s' % self.newsitem.title
641 return u'Emission: %s' % self.emission.title
643 return u'Episode: %s' % self.episode.title
645 return u'Soundfile: %s' % (self.soundfile.title or self.soundfile.episode.title)
647 return u'Page: %s' % self.page.title
648 return u'%s' % self.id
650 def focus_title(self):
654 return self.newsitem.title
656 return self.emission.title
658 return self.page.title
662 if self.soundfile.fragment and self.soundfile.title:
663 return self.soundfile.title
664 episode = self.soundfile.episode
666 episode = self.episode
672 return episode.emission.title
676 def content_image(self):
678 return self.newsitem.image
680 return self.emission.image
682 return self.page.picture
686 episode = self.soundfile.episode
688 episode = self.episode
694 return episode.emission.image
696 def content_category_title(self):
698 if self.newsitem.category:
699 return self.newsitem.category.title
704 return self.episode.emission.title
706 return self.soundfile.episode.emission.title
710 def get_related_object(self):
719 return self.soundfile
721 from panikombo.models import Topik
722 return Topik.objects.get(page=self.page)
723 except ObjectDoesNotExist:
729 def get_playlist_sound_path(instance, filename):
730 return os.path.join('playlists', instance.episode.emission.slug,
731 instance.episode.slug, os.path.basename(filename))
734 class PlaylistElement(models.Model):
735 episode = models.ForeignKey('Episode', null=True)
736 title = models.CharField(_('Title'), max_length=200)
737 notes = models.CharField(_('Notes'), max_length=200, blank=True, default='')
738 sound = models.FileField(_('Sound'), upload_to=get_playlist_sound_path, max_length=250)
739 order = models.PositiveIntegerField()
742 verbose_name = _('Playlist Element')
743 verbose_name_plural = _('Playlist Elements')
747 return chr(ord('a')+self.order-1)
750 @receiver(pre_save, sender=Focus, dispatch_uid='focus_pre_save')
751 def set_focus_on_save(sender, instance, **kwargs):
752 object = instance.get_related_object()
754 if instance.current != object.has_focus:
755 object.has_focus = instance.current
757 if object and not object.got_focus and instance.current:
758 object.got_focus = datetime.datetime.now()
763 @receiver(post_delete, sender=Focus, dispatch_uid='focus_post_delete')
764 def remove_focus_on_delete(sender, instance, **kwargs):
765 object = instance.get_related_object()
766 if object and (object.got_focus or object.has_focus):
767 object.got_focus = None
768 object.has_focus = False