See #432: added admin API endpoints to retrieve and delete tags

api/funkwhale_api/manage/filters.py

@@ -13,6 +13,7 @@ from funkwhale_api.federation import utils as federation_utils
 from funkwhale_api.moderation import models as moderation_models
 from funkwhale_api.music import models as music_models
 from funkwhale_api.users import models as users_models
+from funkwhale_api.tags import models as tags_models
 
 
 class ActorField(forms.CharField):
@@ -340,3 +341,11 @@ class ManageInstancePolicyFilterSet(filters.FilterSet):
             "silence_notifications",
             "reject_media",
         ]
+
+
+class ManageTagFilterSet(filters.FilterSet):
+    q = fields.SearchFilter(search_fields=["name"])
+
+    class Meta:
+        model = tags_models.Tag
+        fields = ["q"]

api/funkwhale_api/manage/serializers.py

@@ -10,6 +10,7 @@ from funkwhale_api.federation import tasks as federation_tasks
 from funkwhale_api.moderation import models as moderation_models
 from funkwhale_api.music import models as music_models
 from funkwhale_api.music import serializers as music_serializers
+from funkwhale_api.tags import models as tags_models
 from funkwhale_api.users import models as users_models
 
 from . import filters
@@ -564,3 +565,30 @@ class ManageUploadSerializer(serializers.ModelSerializer):
             "track",
             "library",
         )
+
+
+class ManageTagSerializer(ManageBaseAlbumSerializer):
+
+    tracks_count = serializers.SerializerMethodField()
+    albums_count = serializers.SerializerMethodField()
+    artists_count = serializers.SerializerMethodField()
+
+    class Meta:
+        model = tags_models.Tag
+        fields = [
+            "id",
+            "name",
+            "creation_date",
+            "tracks_count",
+            "albums_count",
+            "artists_count",
+        ]
+
+    def get_tracks_count(self, obj):
+        return getattr(obj, "_tracks_count", None)
+
+    def get_albums_count(self, obj):
+        return getattr(obj, "_albums_count", None)
+
+    def get_artists_count(self, obj):
+        return getattr(obj, "_artists_count", None)

api/funkwhale_api/manage/urls.py

@@ -24,6 +24,7 @@ users_router.register(r"invitations", views.ManageInvitationViewSet, "invitation
 
 other_router = routers.OptionalSlashRouter()
 other_router.register(r"accounts", views.ManageActorViewSet, "accounts")
+other_router.register(r"tags", views.ManageTagViewSet, "tags")
 
 urlpatterns = [
     url(

api/funkwhale_api/manage/views.py

@@ -2,7 +2,7 @@ from rest_framework import mixins, response, viewsets
 from rest_framework import decorators as rest_decorators
 
 from django.db.models import Count, Prefetch, Q, Sum, OuterRef, Subquery
-from django.db.models.functions import Coalesce
+from django.db.models.functions import Coalesce, Length
 from django.shortcuts import get_object_or_404
 
 from funkwhale_api.common import models as common_models
@@ -14,6 +14,7 @@ from funkwhale_api.history import models as history_models
 from funkwhale_api.music import models as music_models
 from funkwhale_api.moderation import models as moderation_models
 from funkwhale_api.playlists import models as playlists_models
+from funkwhale_api.tags import models as tags_models
 from funkwhale_api.users import models as users_models
 
 
@@ -452,3 +453,43 @@ class ManageInstancePolicyViewSet(
 
     def perform_create(self, serializer):
         serializer.save(actor=self.request.user.actor)
+
+
+class ManageTagViewSet(
+    mixins.ListModelMixin,
+    mixins.RetrieveModelMixin,
+    mixins.DestroyModelMixin,
+    mixins.CreateModelMixin,
+    viewsets.GenericViewSet,
+):
+    lookup_field = "name"
+    queryset = (
+        tags_models.Tag.objects.all()
+        .order_by("-creation_date")
+        .annotate(items_count=Count("tagged_items"))
+        .annotate(length=Length("name"))
+    )
+    serializer_class = serializers.ManageTagSerializer
+    filterset_class = filters.ManageTagFilterSet
+    required_scope = "instance:libraries"
+    ordering_fields = ["id", "creation_date", "name", "items_count", "length"]
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        from django.contrib.contenttypes.models import ContentType
+
+        album_ct = ContentType.objects.get_for_model(music_models.Album)
+        track_ct = ContentType.objects.get_for_model(music_models.Track)
+        artist_ct = ContentType.objects.get_for_model(music_models.Artist)
+        queryset = queryset.annotate(
+            _albums_count=Count(
+                "tagged_items", filter=Q(tagged_items__content_type=album_ct)
+            ),
+            _tracks_count=Count(
+                "tagged_items", filter=Q(tagged_items__content_type=track_ct)
+            ),
+            _artists_count=Count(
+                "tagged_items", filter=Q(tagged_items__content_type=artist_ct)
+            ),
+        )
+        return queryset