104 lines
3.3 KiB
Python
104 lines
3.3 KiB
Python
from django.contrib.contenttypes.fields import GenericForeignKey
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from django.contrib.contenttypes.models import ContentType
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from django.core.serializers.json import DjangoJSONEncoder
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from django.db import models
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from django.db.models import JSONField
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from django.utils import timezone
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from funkwhale_api.music.models import Track
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from . import filters
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class Radio(models.Model):
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CONFIG_VERSION = 0
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user = models.ForeignKey(
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"users.User",
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related_name="radios",
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null=True,
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blank=True,
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on_delete=models.CASCADE,
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)
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name = models.CharField(max_length=100)
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description = models.TextField(blank=True)
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creation_date = models.DateTimeField(default=timezone.now)
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is_public = models.BooleanField(default=False)
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version = models.PositiveIntegerField(default=0)
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config = JSONField(encoder=DjangoJSONEncoder)
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def get_candidates(self):
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return filters.run(self.config)
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class RadioSession(models.Model):
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user = models.ForeignKey(
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"users.User",
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related_name="radio_sessions",
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null=True,
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blank=True,
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on_delete=models.CASCADE,
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)
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session_key = models.CharField(max_length=100, null=True, blank=True)
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radio_type = models.CharField(max_length=50)
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custom_radio = models.ForeignKey(
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Radio, related_name="sessions", null=True, blank=True, on_delete=models.CASCADE
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)
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creation_date = models.DateTimeField(default=timezone.now)
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related_object_content_type = models.ForeignKey(
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ContentType, blank=True, null=True, on_delete=models.CASCADE
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)
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related_object_id = models.PositiveIntegerField(blank=True, null=True)
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related_object = GenericForeignKey(
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"related_object_content_type", "related_object_id"
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)
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CONFIG_VERSION = 0
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config = JSONField(encoder=DjangoJSONEncoder, blank=True, null=True)
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def save(self, **kwargs):
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self.radio.clean(self)
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super().save(**kwargs)
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@property
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def next_position(self):
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next_position = 1
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last_session_track = self.session_tracks.all().order_by("-position").first()
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if last_session_track:
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next_position = last_session_track.position + 1
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return next_position
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def add(self, tracks):
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next_position = self.next_position
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radio_session_tracks = []
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for i, track in enumerate(tracks):
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radio_session_track = RadioSessionTrack(
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track=track, session=self, position=next_position + i, played=True
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)
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radio_session_tracks.append(radio_session_track)
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new_session_tracks = RadioSessionTrack.objects.bulk_create(radio_session_tracks)
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return new_session_tracks
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@property
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def radio(self):
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from .registries import registry
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return registry[self.radio_type](session=self)
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class RadioSessionTrack(models.Model):
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session = models.ForeignKey(
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RadioSession, related_name="session_tracks", on_delete=models.CASCADE
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)
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position = models.IntegerField(default=1)
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track = models.ForeignKey(
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Track, related_name="radio_session_tracks", on_delete=models.CASCADE
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)
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played = models.BooleanField(default=False)
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class Meta:
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ordering = ("session", "position")
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unique_together = ("session", "position")
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