core: make Provider SerializerModel

authentik/core/api/providers.py

@@ -14,13 +14,26 @@ class ProviderSerializer(ModelSerializer):
         """Get object type so that we know which API Endpoint to use to get the full object"""
         return obj._meta.object_name.lower().replace("provider", "")
 
+    def to_representation(self, instance: Provider):
+        # pyright: reportGeneralTypeIssues=false
+        if instance.__class__ == Provider:
+            return super().to_representation(instance)
+        return instance.serializer(instance=instance).data
+
     class Meta:
 
         model = Provider
-        fields = ["pk", "name", "authorization_flow", "property_mappings", "__type__"]
+        fields = [
+            "pk",
+            "name",
+            "application",
+            "authorization_flow",
+            "property_mappings",
+            "__type__",
+        ]
 
 
-class ProviderViewSet(ReadOnlyModelViewSet):
+class ProviderViewSet(ModelViewSet):
     """Provider Viewset"""
 
     queryset = Provider.objects.all()

authentik/core/models.py

@@ -14,6 +14,7 @@ from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 from guardian.mixins import GuardianUserMixin
 from model_utils.managers import InheritanceManager
+from rest_framework.serializers import Serializer
 from structlog import get_logger
 
 from authentik.core.exceptions import PropertyMappingExpressionException
@@ -127,7 +128,7 @@ class User(GuardianUserMixin, AbstractUser):
         verbose_name_plural = _("Users")
 
 
-class Provider(models.Model):
+class Provider(SerializerModel):
     """Application-independent Provider instance. For example SAML2 Remote, OAuth2 Application"""
 
     name = models.TextField()
@@ -156,6 +157,11 @@ class Provider(models.Model):
         """Return Form class used to edit this object"""
         raise NotImplementedError
 
+    @property
+    def serializer(self) -> Type[Serializer]:
+        """Get serializer for this model"""
+        raise NotImplementedError
+
     def __str__(self):
         return self.name