Add REST API endpoint for ObjectPermissions

netbox/users/api/serializers.py

@@ -1,4 +1,28 @@
+from django.contrib.contenttypes.models import ContentType
+
+from users.models import ObjectPermission
+from utilities.api import ContentTypeField, SerializedPKRelatedField, ValidatedModelSerializer
 from .nested_serializers import *
 
 
-# Placeholder for future serializers
+class ObjectPermissionSerializer(ValidatedModelSerializer):
+    object_types = ContentTypeField(
+        queryset=ContentType.objects.all(),
+        many=True
+    )
+    groups = SerializedPKRelatedField(
+        queryset=Group.objects.all(),
+        serializer=NestedGroupSerializer,
+        required=False,
+        many=True
+    )
+    users = SerializedPKRelatedField(
+        queryset=User.objects.all(),
+        serializer=NestedUserSerializer,
+        required=False,
+        many=True
+    )
+
+    class Meta:
+        model = ObjectPermission
+        fields = ('id', 'object_types', 'groups', 'users', 'actions', 'constraints')