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Code Issues Releases Wiki Activity

Updated playlist management API

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Agate 2020-07-27 15:31:49 +02:00
parent a1865cf9d8
commit f6458fd75a
10 changed files with 157 additions and 247 deletions
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55
api/funkwhale_api/playlists/serializers.py
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@ -1,7 +1,5 @@
from django.db import transaction
from rest_framework import serializers
from funkwhale_api.common import preferences
from funkwhale_api.federation import serializers as federation_serializers
from funkwhale_api.music.models import Track
from funkwhale_api.music.serializers import TrackSerializer
@ -16,64 +14,13 @@ class PlaylistTrackSerializer(serializers.ModelSerializer):
class Meta:
model = models.PlaylistTrack
fields = ("id", "track", "playlist", "index", "creation_date")
fields = ("track", "index", "creation_date")
def get_track(self, o):
track = o._prefetched_track if hasattr(o, "_prefetched_track") else o.track
return TrackSerializer(track).data
class PlaylistTrackWriteSerializer(serializers.ModelSerializer):
index = serializers.IntegerField(required=False, min_value=0, allow_null=True)
allow_duplicates = serializers.BooleanField(required=False)
class Meta:
model = models.PlaylistTrack
fields = ("id", "track", "playlist", "index", "allow_duplicates")
def validate_playlist(self, value):
if self.context.get("request"):
# validate proper ownership on the playlist
if self.context["request"].user != value.user:
raise serializers.ValidationError(
"You do not have the permission to edit this playlist"
)
existing = value.playlist_tracks.count()
max_tracks = preferences.get("playlists__max_tracks")
if existing >= max_tracks:
raise serializers.ValidationError(
"Playlist has reached the maximum of {} tracks".format(max_tracks)
)
return value
@transaction.atomic
def create(self, validated_data):
index = validated_data.pop("index", None)
allow_duplicates = validated_data.pop("allow_duplicates", True)
instance = super().create(validated_data)
instance.playlist.insert(instance, index, allow_duplicates)
return instance
@transaction.atomic
def update(self, instance, validated_data):
update_index = "index" in validated_data
index = validated_data.pop("index", None)
allow_duplicates = validated_data.pop("allow_duplicates", True)
super().update(instance, validated_data)
if update_index:
instance.playlist.insert(instance, index, allow_duplicates)
return instance
def get_unique_together_validators(self):
"""
We explicitely disable unique together validation here
because it collides with our internal logic
"""
return []
class PlaylistSerializer(serializers.ModelSerializer):
tracks_count = serializers.SerializerMethodField(read_only=True)
duration = serializers.SerializerMethodField(read_only=True)