Added API endpoint for listing public instance settings

api/funkwhale_api/instance/urls.py

@@ -0,0 +1,7 @@
+from django.conf.urls import url
+from . import views
+
+
+urlpatterns = [
+    url(r'^settings/$', views.InstanceSettings.as_view(), name='settings'),
+]

api/funkwhale_api/instance/views.py

@@ -0,0 +1,25 @@
+from rest_framework import views
+from rest_framework.response import Response
+
+from dynamic_preferences.api import serializers
+from dynamic_preferences.registries import global_preferences_registry
+
+
+class InstanceSettings(views.APIView):
+    permission_classes = []
+    authentication_classes = []
+
+    def get(self, request, *args, **kwargs):
+        manager = global_preferences_registry.manager()
+        manager.all()
+        all_preferences = manager.model.objects.all().order_by(
+            'section', 'name'
+        )
+        api_preferences = [
+            p
+            for p in all_preferences
+            if getattr(p.preference, 'show_in_api', False)
+        ]
+        data = serializers.GlobalPreferenceSerializer(
+            api_preferences, many=True).data
+        return Response(data, status=200)