Resolve "Hide an artist in the UI"

api/funkwhale_api/moderation/views.py

@@ -0,0 +1,42 @@
+from django.db import IntegrityError
+
+from rest_framework import mixins
+from rest_framework import permissions
+from rest_framework import response
+from rest_framework import status
+from rest_framework import viewsets
+
+from . import models
+from . import serializers
+
+
+class UserFilterViewSet(
+    mixins.ListModelMixin,
+    mixins.CreateModelMixin,
+    mixins.RetrieveModelMixin,
+    mixins.DestroyModelMixin,
+    viewsets.GenericViewSet,
+):
+    lookup_field = "uuid"
+    queryset = (
+        models.UserFilter.objects.all()
+        .order_by("-creation_date")
+        .select_related("target_artist")
+    )
+    serializer_class = serializers.UserFilterSerializer
+    permission_classes = [permissions.IsAuthenticated]
+    ordering_fields = ("creation_date",)
+
+    def create(self, request, *args, **kwargs):
+        try:
+            return super().create(request, *args, **kwargs)
+        except IntegrityError:
+            content = {"detail": "A content filter already exists for this object"}
+            return response.Response(content, status=status.HTTP_400_BAD_REQUEST)
+
+    def get_queryset(self):
+        qs = super().get_queryset()
+        return qs.filter(user=self.request.user)
+
+    def perform_create(self, serializer):
+        serializer.save(user=self.request.user)