funkwhale/api/funkwhale_api/radios/views.py

123 wiersze
4.5 KiB
Python

from django.db.models import Q
from django.http import Http404
from rest_framework import generics, mixins, viewsets
from rest_framework import status
from rest_framework.response import Response
from rest_framework.decorators import detail_route, list_route
from funkwhale_api.music.serializers import TrackSerializerNested
from funkwhale_api.common.permissions import ConditionalAuthentication
from . import models
from . import filters
from . import filtersets
from . import serializers
class RadioViewSet(
mixins.CreateModelMixin,
mixins.RetrieveModelMixin,
mixins.UpdateModelMixin,
mixins.ListModelMixin,
viewsets.GenericViewSet):
serializer_class = serializers.RadioSerializer
permission_classes = [ConditionalAuthentication]
filter_class = filtersets.RadioFilter
def get_queryset(self):
query = Q(is_public=True)
if self.request.user.is_authenticated:
query |= Q(user=self.request.user)
return models.Radio.objects.filter(query)
def perform_create(self, serializer):
return serializer.save(user=self.request.user)
def perform_update(self, serializer):
if serializer.instance.user != self.request.user:
raise Http404
return serializer.save(user=self.request.user)
@list_route(methods=['get'])
def filters(self, request, *args, **kwargs):
serializer = serializers.FilterSerializer(
filters.registry.exposed_filters, many=True)
return Response(serializer.data)
@list_route(methods=['post'])
def validate(self, request, *args, **kwargs):
try:
f_list = request.data['filters']
except KeyError:
return Response(
{'error': 'You must provide a filters list'}, status=400)
data = {
'filters': []
}
for f in f_list:
results = filters.test(f)
if results['candidates']['sample']:
qs = results['candidates']['sample'].for_nested_serialization()
results['candidates']['sample'] = TrackSerializerNested(
qs, many=True).data
data['filters'].append(results)
return Response(data)
class RadioSessionViewSet(mixins.CreateModelMixin,
mixins.RetrieveModelMixin,
viewsets.GenericViewSet):
serializer_class = serializers.RadioSessionSerializer
queryset = models.RadioSession.objects.all()
permission_classes = [ConditionalAuthentication]
def get_queryset(self):
queryset = super().get_queryset()
if self.request.user.is_authenticated:
return queryset.filter(user=self.request.user)
else:
return queryset.filter(session_key=self.request.session.session_key)
def get_serializer_context(self):
context = super().get_serializer_context()
if self.request.user.is_authenticated:
context['user'] = self.request.user
else:
context['session_key'] = self.request.session.session_key
return context
class RadioSessionTrackViewSet(mixins.CreateModelMixin,
viewsets.GenericViewSet):
serializer_class = serializers.RadioSessionTrackSerializer
queryset = models.RadioSessionTrack.objects.all()
permission_classes = [ConditionalAuthentication]
def create(self, request, *args, **kwargs):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
session = serializer.validated_data['session']
try:
if request.user.is_authenticated:
assert request.user == session.user
else:
assert request.session.session_key == session.session_key
except AssertionError:
return Response(status=status.HTTP_403_FORBIDDEN)
track = session.radio.pick()
session_track = session.session_tracks.all().latest('id')
# self.perform_create(serializer)
# dirty override here, since we use a different serializer for creation and detail
serializer = self.serializer_class(instance=session_track, context=self.get_serializer_context())
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
def get_serializer_class(self, *args, **kwargs):
if self.action == 'create':
return serializers.RadioSessionTrackSerializerCreate
return super().get_serializer_class(*args, **kwargs)