5 from django.conf import settings
6 from django.core.urlresolvers import reverse
7 from django.db import models
8 from django.db.models.signals import post_delete, post_save
9 from django.dispatch import receiver
10 from django.utils.timezone import now
11 from django.utils.translation import ugettext_lazy as _
13 from .app_settings import app_settings
16 TRANCHE_SLUG_DIR_MAPPING = {
17 'acouphene': 'Acouphene',
18 'biodiversite': 'Biodiversite',
19 'l-heure-de-pointe': 'Heure_de_pointe',
20 'hop-bop-co': 'Hop_Bop_and_co',
21 'la-panique': 'la_panique',
22 'le-mange-disque': 'Mange_Disque',
23 'matin-tranquille': 'Matins_tranquilles',
24 'reveries': 'Reveries',
25 'up-beat-tempo': 'Up_Beat_Tempo',
30 class Artist(models.Model):
31 name = models.CharField(_('Name'), max_length=255)
39 def get_absolute_url(self):
40 return reverse('artist-view', kwargs={'pk': self.id})
42 def recent_diffusions(self):
43 return SomaLogLine.objects.filter(filepath__track__artist=self
44 ).exclude(on_air=False).order_by('-play_timestamp')
47 class Album(models.Model):
48 name = models.CharField(_('Name'), max_length=255)
55 ('other', _('Other')),
56 ('na', _('Not applicable')),
59 class Track(models.Model):
60 title = models.CharField(_('Title'), max_length=255)
61 artist = models.ForeignKey(Artist, null=True)
62 album = models.ForeignKey(Album, null=True)
63 instru = models.BooleanField(_('Instru'), default=False)
64 language = models.CharField(max_length=10,
65 choices=LANGUAGES, blank=True)
66 sabam = models.BooleanField('SABAM', default=True)
67 cfwb = models.BooleanField('CFWB', default=False)
68 nonstop_zones = models.ManyToManyField('emissions.Nonstop', blank=True)
70 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
71 added_to_nonstop_timestamp = models.DateTimeField(null=True)
72 uploader = models.ForeignKey(settings.AUTH_USER_MODEL, null=True)
73 duration = models.DurationField(_('Duration'), null=True)
76 ordering = ['creation_timestamp']
79 return 'Track %s (%s)' % (self.title, self.artist or 'unknown')
81 def get_absolute_url(self):
82 return reverse('track-view', kwargs={'pk': self.id})
84 def recent_diffusions(self):
85 return SomaLogLine.objects.filter(filepath__track=self
86 ).exclude(on_air=False).order_by('-play_timestamp')
90 for nfile in self.nonstopfile_set.all().order_by('creation_timestamp'):
91 if os.path.exists(nfile.get_local_filepath()):
92 return nfile.get_local_filepath()
94 return nfile.get_local_filepath()
97 def file_exists(self):
98 file_path = self.file_path()
102 return os.path.exists(file_path)
103 except AttributeError:
106 def sync_nonstop_zones(self):
107 current_zones = self.nonstop_zones.all()
108 if current_zones.count():
109 if not self.added_to_nonstop_timestamp:
110 self.added_to_nonstop_timestamp = now()
113 self.added_to_nonstop_timestamp = None
116 if not self.file_exists():
118 nonstop_file = self.nonstopfile_set.order_by('creation_timestamp').last()
119 filename = nonstop_file.filename
120 from emissions.models import Nonstop
122 for zone in Nonstop.objects.all():
123 if not zone.slug in TRANCHE_SLUG_DIR_MAPPING:
125 zone_dir = TRANCHE_SLUG_DIR_MAPPING[zone.slug]
126 zone_path = os.path.join(app_settings.LOCAL_BASE_PATH, 'Tranches', zone_dir, filename)
127 if zone in current_zones:
128 if not os.path.exists(zone_path):
129 os.symlink(os.path.join('..', '..', nonstop_file.short), zone_path)
131 if os.path.exists(zone_path):
135 class NonstopFile(models.Model):
136 filepath = models.CharField(_('Filepath'), max_length=255)
137 filename = models.CharField(_('Filename'), max_length=255, null=True)
138 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
139 track = models.ForeignKey(Track, null=True)
143 return self.filepath[len(app_settings.REMOTE_BASE_PATH):]
145 def set_track_filepath(self, filepath):
146 self.filepath = os.path.join(app_settings.REMOTE_BASE_PATH, 'tracks', filepath)
147 self.filename = os.path.basename(filepath)
149 def get_local_filepath(self):
152 return os.path.join(app_settings.LOCAL_BASE_PATH, self.short)
155 class SomaLogLine(models.Model):
157 verbose_name = _('Soma log line')
158 verbose_name_plural = _('Soma log lines')
159 ordering = ['play_timestamp']
161 filepath = models.ForeignKey(NonstopFile, null=True)
162 track = models.ForeignKey(Track, null=True)
163 play_timestamp = models.DateTimeField()
164 on_air = models.NullBooleanField('On Air')
170 return self.filepath.track
174 class Jingle(models.Model):
176 verbose_name = _('Jingle')
177 verbose_name_plural = _('Jingles')
180 label = models.CharField(_('Label'), max_length=100)
181 filepath = models.CharField(_('File Path'), max_length=255)
182 duration = models.DurationField(_('Duration'), null=True, blank=True)
183 default_for_initial_diffusions = models.BooleanField(_('Default for initial diffusions'), default=False)
184 default_for_reruns = models.BooleanField(_('Default for reruns'), default=False)
185 default_for_streams = models.BooleanField(_('Default for streams'), default=False)
192 # property for compatibility with Track model
193 # for jingles self.filepath is actually only the last part of the path,
194 # ex: jingles panik/H_marimba_RP_chucho_zoe.wav
198 # for compatibility with Track model method
199 return self.get_local_filepath()
201 def get_local_filepath(self):
204 return os.path.join(app_settings.LOCAL_BASE_PATH, app_settings.JINGLES_PREFIX, self.short)
211 class Stream(models.Model):
213 verbose_name = _('Stream')
214 verbose_name_plural = _('Streams')
217 label = models.CharField(_('Label'), max_length=100)
218 url = models.URLField(_('URL'), max_length=255)
224 class ScheduledDiffusion(models.Model):
226 verbose_name = _('Scheduled diffusion')
227 verbose_name_plural = _('Scheduled diffusions')
229 diffusion = models.ForeignKey('emissions.Diffusion', null=True, blank=True, on_delete=models.SET_NULL)
230 jingle = models.ForeignKey(Jingle, null=True, blank=True)
231 stream = models.ForeignKey(Stream, null=True, blank=True)
232 creation_timestamp = models.DateTimeField(auto_now_add=True, null=True)
233 added_to_nonstop_timestamp = models.DateTimeField(null=True)
236 return 'Diffusion of %s' % self.diffusion
240 return self.diffusion.datetime
243 def end_datetime(self):
245 return self.diffusion.end_datetime
246 dt = self.diffusion.datetime
247 if self.jingle and self.jingle.duration:
248 dt += self.jingle.duration
249 dt += datetime.timedelta(seconds=self.soundfile.duration)
254 return self.diffusion.episode.soundfile_set.filter(fragment=False).first()
258 return (self.end_datetime - self.datetime).seconds
262 return self.diffusion.episode
267 return '[stream:%s]' % self.id
269 return '[sound:%s]' % self.id
272 return bool(self.stream_id)
274 def get_jingle_filepath(self):
275 return self.jingle.get_local_filepath() if self.jingle_id else None
278 # TODO, copy and stuff
279 return self.soundfile.file.path
282 class NonstopZoneSettings(models.Model):
283 nonstop = models.ForeignKey('emissions.Nonstop', on_delete=models.CASCADE)
284 intro_jingle = models.ForeignKey(Jingle, blank=True, null=True, related_name='+')
285 jingles = models.ManyToManyField(Jingle, blank=True)
288 return str(self.nonstop)
291 class RecurringStreamDiffusion(models.Model):
292 schedule = models.ForeignKey('emissions.Schedule', on_delete=models.CASCADE)
293 jingle = models.ForeignKey(Jingle, null=True, blank=True)
294 stream = models.ForeignKey(Stream)
295 is_active = models.BooleanField('Active', default=True)
298 return _('Recurring Stream for %s') % self.schedule
301 class RecurringOccurenceMixin:
305 return self.diffusion.jingle
309 return self.diffusion.jingle_id
313 return self.diffusion.schedule.get_duration() * 60
316 def end_datetime(self):
317 return self.datetime + datetime.timedelta(minutes=self.diffusion.schedule.get_duration())
319 def get_jingle_filepath(self):
320 return self.diffusion.jingle.get_local_filepath() if self.diffusion.jingle_id else None
323 class RecurringStreamOccurence(models.Model, RecurringOccurenceMixin):
324 diffusion = models.ForeignKey(RecurringStreamDiffusion, on_delete=models.CASCADE)
325 datetime = models.DateTimeField(_('Date/time'), db_index=True)
329 return self.diffusion.stream
335 class RecurringRandomDirectoryDiffusion(models.Model):
336 # between soundfiles and nonstop zones, this is used for the "mix
337 # deliveries" segment during weekend nights.
338 schedule = models.ForeignKey('emissions.Schedule', on_delete=models.CASCADE)
339 jingle = models.ForeignKey(Jingle, null=True, blank=True)
340 directory = models.CharField(_('Directory'), max_length=255)
341 is_active = models.BooleanField('Active', default=True)
344 return _('Recurring Random Directory for %s') % self.schedule
347 class RecurringRandomDirectoryOccurence(models.Model, RecurringOccurenceMixin):
348 diffusion = models.ForeignKey(RecurringRandomDirectoryDiffusion, on_delete=models.CASCADE)
349 datetime = models.DateTimeField(_('Date/time'), db_index=True)
355 directory = self.diffusion.directory
356 return os.path.join(directory, random.choice(os.listdir(directory)))
359 @receiver(post_delete)
360 def remove_soundfile(sender, instance=None, **kwargs):
361 from emissions.models import SoundFile
362 if not issubclass(sender, SoundFile):
364 ScheduledDiffusion.objects.filter(
365 diffusion__episode_id=instance.episode_id,
366 stream_id=None).update(
371 def save_soundfile(sender, instance=None, **kwargs):
372 if not app_settings.AUTO_SCHEDULE:
374 from emissions.models import SoundFile
375 if not issubclass(sender, SoundFile):
377 if instance.fragment:
379 if not instance.duration:
381 for i, diffusion in enumerate(instance.episode.diffusion_set.all()):
383 jingle_qs = Jingle.objects.filter(default_for_initial_diffusions=True)
385 jingle_qs = Jingle.objects.filter(default_for_reruns=True)
386 ScheduledDiffusion.objects.get_or_create(
387 diffusion=diffusion, stream_id=None,
388 defaults={'jingle': jingle_qs.order_by('?').first()})
392 def save_diffusion(sender, instance=None, **kwargs):
393 if not app_settings.AUTO_SCHEDULE:
395 from emissions.models import Diffusion
396 if not issubclass(sender, Diffusion):
398 if instance.episode.soundfile_set.filter(fragment=False).exists():
399 if Diffusion.objects.filter(episode=instance.episode, datetime__lt=instance.datetime).exists():
401 jingle_qs = Jingle.objects.filter(default_for_reruns=True)
403 jingle_qs = Jingle.objects.filter(default_for_initial_diffusions=True)
404 ScheduledDiffusion.objects.get_or_create(diffusion=instance,
405 stream_id=None, defaults={'jingle': jingle_qs.order_by('?').first()})