funkwhale/api/funkwhale_api/subsonic/views.py

144 lines
4.5 KiB
Python

from rest_framework import exceptions
from rest_framework import permissions as rest_permissions
from rest_framework import response
from rest_framework import viewsets
from rest_framework.decorators import list_route
from rest_framework.serializers import ValidationError
from funkwhale_api.music import models as music_models
from funkwhale_api.music import views as music_views
from . import authentication
from . import negotiation
from . import serializers
def find_object(queryset, model_field='pk', field='id', cast=int):
def decorator(func):
def inner(self, request, *args, **kwargs):
data = request.GET or request.POST
try:
raw_value = data[field]
except KeyError:
return response.Response({
'code': 10,
'message': "required parameter '{}' not present".format(field)
})
try:
value = cast(raw_value)
except (TypeError, ValidationError):
return response.Response({
'code': 0,
'message': 'For input string "{}"'.format(raw_value)
})
try:
obj = queryset.get(**{model_field: value})
except queryset.model.DoesNotExist:
return response.Response({
'code': 70,
'message': '{} not found'.format(
queryset.model.__class__.__name__)
})
kwargs['obj'] = obj
return func(self, request, *args, **kwargs)
return inner
return decorator
class SubsonicViewSet(viewsets.GenericViewSet):
content_negotiation_class = negotiation.SubsonicContentNegociation
authentication_classes = [authentication.SubsonicAuthentication]
permissions_classes = [rest_permissions.IsAuthenticated]
def handle_exception(self, exc):
# subsonic API sends 200 status code with custom error
# codes in the payload
mapping = {
exceptions.AuthenticationFailed: (
40, 'Wrong username or password.'
)
}
payload = {
'status': 'failed'
}
try:
code, message = mapping[exc.__class__]
except KeyError:
return super().handle_exception(exc)
else:
payload['error'] = {
'code': code,
'message': message
}
return response.Response(payload, status=200)
@list_route(
methods=['get', 'post'],
permission_classes=[])
def ping(self, request, *args, **kwargs):
data = {
'status': 'ok',
'version': '1.16.0'
}
return response.Response(data, status=200)
@list_route(
methods=['get', 'post'],
url_name='get_artists',
url_path='getArtists')
def get_artists(self, request, *args, **kwargs):
artists = music_models.Artist.objects.all()
data = serializers.GetArtistsSerializer(artists).data
payload = {
'artists': data
}
return response.Response(payload, status=200)
@list_route(
methods=['get', 'post'],
url_name='get_artist',
url_path='getArtist')
@find_object(music_models.Artist.objects.all())
def get_artist(self, request, *args, **kwargs):
artist = kwargs.pop('obj')
data = serializers.GetArtistSerializer(artist).data
payload = {
'artist': data
}
return response.Response(payload, status=200)
@list_route(
methods=['get', 'post'],
url_name='get_album',
url_path='getAlbum')
@find_object(
music_models.Album.objects.select_related('artist'))
def get_album(self, request, *args, **kwargs):
album = kwargs.pop('obj')
data = serializers.GetAlbumSerializer(album).data
payload = {
'album': data
}
return response.Response(payload, status=200)
@list_route(
methods=['get', 'post'],
url_name='stream',
url_path='stream')
@find_object(
music_models.Track.objects.all())
def stream(self, request, *args, **kwargs):
track = kwargs.pop('obj')
queryset = track.files.select_related(
'library_track',
'track__album__artist',
'track__artist',
)
track_file = queryset.first()
if not track_file:
return Response(status=404)
return music_views.handle_serve(track_file)