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314 lines
11 KiB
314 lines
11 KiB
from django.db import models
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from django.utils.translation import gettext_lazy as _
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from django.conf import settings
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from utils import generate_slug_for_model
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from utils.mixins import LowercaseSlugMixin
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class PodcastCategory(LowercaseSlugMixin, models.Model):
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title = models.CharField(max_length=255, verbose_name=_('title'))
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slug = models.SlugField(allow_unicode=True, unique=True, verbose_name=_('slug'))
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status = models.BooleanField(default=True, verbose_name=_('status'))
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order = models.PositiveIntegerField(default=0, verbose_name=_('order'))
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'))
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def __str__(self):
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return self.title
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class Meta:
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verbose_name = _('Podcast Category')
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verbose_name_plural = _('Podcast Categories')
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ordering = ['order']
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class PodcastCollection(LowercaseSlugMixin, models.Model):
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class DisplayPosition(models.TextChoices):
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PINNED = 'pinned', _('Pinned')
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MIDDLE = 'middle', _('Middle Section')
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title = models.CharField(max_length=255, help_text="This title will not be displayed anywhere")
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slug = models.SlugField(max_length=255, unique=True)
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summary = models.CharField(max_length=512, null=True, blank=True, help_text=_('could be null'))
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pin_top = models.BooleanField(_('pin top'), default=True)
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thumbnail = models.ImageField(upload_to='podcast/collection/', null=True, blank=True, help_text=_('image allowed'))
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order = models.IntegerField(default=0, verbose_name=_('order'))
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status = models.BooleanField(default=True, verbose_name=_('status'))
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display_position = models.CharField(
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max_length=20,
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choices=DisplayPosition.choices,
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default=DisplayPosition.PINNED,
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verbose_name=_('Display Position')
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)
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'))
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def __str__(self):
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return f'Collection #{self.id}/{self.title}'
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class Meta:
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verbose_name = _('Podcast Collection')
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verbose_name_plural = _('Podcasts Collections')
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class PinnedPodcastCollection(PodcastCollection):
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class Meta:
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proxy = True
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verbose_name = _('Pinned Collection (Top Section)')
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verbose_name_plural = _('Pinned Collections (Top Section)')
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class MiddlePodcastCollection(PodcastCollection):
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class Meta:
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proxy = True
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verbose_name = _('Regular Collection (Middle Section)')
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verbose_name_plural = _('Regular Collections (Middle Section)')
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class Podcast(LowercaseSlugMixin, models.Model):
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slug_source_field = 'title'
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title = models.CharField(max_length=255, null=True)
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slug = models.SlugField(allow_unicode=True, unique=True)
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thumbnail = models.ImageField(upload_to='podcast_thumbnails/', null=True, blank=True, help_text=_('image allowed'))
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description = models.TextField(null=True)
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categories = models.ManyToManyField(PodcastCategory, related_name='podcasts', verbose_name=_('categories'), blank=True)
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collections = models.ManyToManyField(PodcastCollection, related_name='podcasts', verbose_name=_('collections'), blank=True)
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audio_file = models.FileField(upload_to='podcast/audio/', null=True, blank=True)
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audio_time = models.TimeField()
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view_count = models.PositiveBigIntegerField(default=0, verbose_name=_('view count'))
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download_count = models.PositiveBigIntegerField(default=0, verbose_name=_('download_count view count'))
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status = models.BooleanField(default=True, verbose_name=_('status'))
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'))
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def __str__(self):
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return self.title
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@property
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def share_link(self):
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if self.slug:
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return f"{settings.DOVODI_DOMAIN}/podcast/{self.slug}"
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return None
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def increment_view_count(self):
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self.view_count += 1
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self.save(update_fields=['view_count'])
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return self.view_count
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def save(self, *args, **kwargs):
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is_new = self.pk is None
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file_changed = False
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if not is_new:
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try:
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old_instance = Podcast.objects.get(pk=self.pk)
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if old_instance.audio_file != self.audio_file:
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file_changed = True
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except Podcast.DoesNotExist:
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pass
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else:
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file_changed = True
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if not self.audio_time:
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import datetime
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self.audio_time = datetime.time(0, 0, 0)
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super().save(*args, **kwargs)
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if (file_changed or self.audio_time == datetime.time(0, 0, 0)) and self.audio_file:
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from utils.media import get_media_duration_time
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try:
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duration_time = get_media_duration_time(self.audio_file.path)
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if duration_time:
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self.audio_time = duration_time
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Podcast.objects.filter(pk=self.pk).update(audio_time=duration_time)
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# Update playlists that contain this podcast
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for appearance in self.playlist_appearances.all():
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playlist = appearance.playlist
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playlist.total_time = playlist.calculate_total_time()
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playlist.save(update_fields=['total_time'])
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except Exception as e:
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pass
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class Meta:
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verbose_name = _('Podcast')
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verbose_name_plural = _('Podcasts')
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class PodcastPlaylist(LowercaseSlugMixin, models.Model):
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slug_source_field = 'title'
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title = models.CharField(max_length=255, verbose_name=_('title'))
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slug = models.SlugField(allow_unicode=True, unique=True, null=True, blank=True, verbose_name=_('slug'))
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slogan = models.CharField(max_length=512, null=True, blank=True, verbose_name=_('slogan'))
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description = models.TextField(null=True, blank=True, verbose_name=_('description'))
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thumbnail = models.ImageField(upload_to='podcast/playlist/thumbnails/', null=True, blank=True, verbose_name=_('thumbnail'))
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categories = models.ManyToManyField(
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PodcastCategory,
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related_name='playlists',
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verbose_name=_('categories'),
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blank=True,
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)
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collections = models.ManyToManyField(
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PodcastCollection,
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through='PodcastPlaylistInCollection',
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related_name='related_playlists',
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verbose_name=_('collections'),
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blank=True
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)
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order = models.PositiveIntegerField(default=0, verbose_name=_('order'))
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status = models.BooleanField(default=True, verbose_name=_('status'))
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view_count = models.PositiveBigIntegerField(default=0, verbose_name=_('view count'))
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total_time = models.DurationField(null=True, blank=True, verbose_name=_('total time'))
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'))
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def __str__(self):
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return self.title
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def increment_view_count(self):
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"""Increment the view count for this playlist"""
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self.view_count += 1
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self.save(update_fields=['view_count'])
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return self.view_count
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def calculate_total_time(self):
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"""Calculate total duration of all podcasts in this playlist"""
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from datetime import timedelta
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total_seconds = 0
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for item in self.playlist_items.select_related('podcast'):
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audio_time = item.podcast.audio_time
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total_seconds += audio_time.hour * 3600 + audio_time.minute * 60 + audio_time.second
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return timedelta(seconds=total_seconds)
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def save(self, *args, **kwargs):
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super().save(*args, **kwargs)
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class Meta:
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verbose_name = _('Podcast Playlist')
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verbose_name_plural = _('Podcast Playlists')
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ordering = ['order', '-created_at']
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class PodcastPlaylistInCollection(models.Model):
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collection = models.ForeignKey(
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PodcastCollection,
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on_delete=models.CASCADE,
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related_name='collection_playlists',
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verbose_name=_('collection')
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)
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playlist = models.ForeignKey(
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PodcastPlaylist,
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on_delete=models.CASCADE,
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related_name='playlist_collections',
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verbose_name=_('playlist')
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)
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order = models.PositiveIntegerField(default=0, verbose_name=_('order'))
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'))
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def __str__(self):
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return f"{self.collection.title} - {self.playlist.title}"
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class Meta:
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verbose_name = _('Podcast Playlist in Collection')
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verbose_name_plural = _('Podcast Playlists in Collections')
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ordering = ['order']
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unique_together = ['collection', 'playlist']
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class PlaylistItem(models.Model):
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playlist = models.ForeignKey(
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PodcastPlaylist,
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on_delete=models.CASCADE,
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related_name='playlist_items',
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verbose_name=_('playlist')
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)
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podcast = models.ForeignKey(
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Podcast,
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on_delete=models.CASCADE,
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related_name='playlist_appearances',
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verbose_name=_('podcast')
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)
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priority = models.PositiveIntegerField(default=0, verbose_name=_('priority'))
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'))
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def __str__(self):
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return f"{self.playlist.title} - {self.podcast.title} (Priority: {self.priority})"
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class Meta:
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verbose_name = _('Playlist Item')
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verbose_name_plural = _('Playlist Items')
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ordering = ['priority']
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unique_together = ['playlist', 'podcast']
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from django.contrib.auth import get_user_model
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User = get_user_model()
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class UserPlaylist(models.Model):
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"""
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Model to track which podcasts a user has added to their personal playlist
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"""
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user = models.ForeignKey(
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User,
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on_delete=models.CASCADE,
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related_name='podcast_playlists',
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verbose_name=_('user')
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)
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podcast = models.ForeignKey(
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Podcast,
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on_delete=models.CASCADE,
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related_name='user_playlists',
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verbose_name=_('podcast')
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)
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status = models.BooleanField(default=True, verbose_name=_('status'))
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created_at = models.DateTimeField(auto_now_add=True, verbose_name=_('created at'))
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updated_at = models.DateTimeField(auto_now=True, verbose_name=_('updated at'))
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class Meta:
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verbose_name = _('User Playlist')
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verbose_name_plural = _('User Playlists')
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unique_together = ['user', 'podcast']
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def __str__(self):
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return f"{self.user.username} - {self.podcast.title}"
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@classmethod
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def is_in_user_playlist(cls, user, podcast):
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"""
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Check if a podcast is in a user's playlist and active
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Args:
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user: User instance
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podcast: Podcast instance
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Returns:
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Boolean indicating if the podcast is in the user's playlist and active
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"""
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return cls.objects.filter(
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user=user,
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podcast=podcast,
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status=True
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).exists()
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