Initial commit that merge both the front end and the API in the same repository

api/funkwhale_api/playlists/models.py

@@ -0,0 +1,33 @@
+from django.db import models
+from django.utils import timezone
+
+from mptt.models import MPTTModel, TreeOneToOneField
+
+
+class Playlist(models.Model):
+    name = models.CharField(max_length=50)
+    is_public = models.BooleanField(default=False)
+    user = models.ForeignKey('users.User', related_name="playlists")
+    creation_date = models.DateTimeField(default=timezone.now)
+
+    def __str__(self):
+        return self.name
+
+    def add_track(self, track, previous=None):
+        plt = PlaylistTrack(previous=previous, track=track, playlist=self)
+        plt.save()
+
+        return plt
+
+
+class PlaylistTrack(MPTTModel):
+    track = models.ForeignKey('music.Track', related_name='playlist_tracks')
+    previous = TreeOneToOneField('self', blank=True, null=True, related_name='next')
+    playlist = models.ForeignKey(Playlist, related_name='playlist_tracks')
+
+    class MPTTMeta:
+        level_attr = 'position'
+        parent_attr = 'previous'
+
+    class Meta:
+        ordering = ('-playlist', 'position')