[#3688] Add dataClassification field

Author: Viicos

src/openforms/registrations/contrib/objects_api/api/serializers.py

@@ -13,6 +13,9 @@ class ObjecttypeSerializer(serializers.Serializer):
     uuid = serializers.UUIDField(label=_("Unique identifier (UUID4)."))
     name = serializers.CharField(label=_("Name of the object type."))
     namePlural = serializers.CharField(label=_("Plural name of the object type."))
+    dataClassification = serializers.CharField(
+        label=_("Confidential level of the object type.")
+    )
 
 
 class ObjecttypeVersionSerializer(serializers.Serializer):

src/openforms/registrations/contrib/objects_api/tests/test_api_endpoints.py

@@ -70,6 +70,7 @@ def test_list_objecttypes(self, m: requests_mock.Mocker):
                         "uuid": "2c77babf-a967-4057-9969-0200320d23f1",
                         "name": "Tree",
                         "namePlural": "Trees",
+                        "dataClassification": "open",
                     }
                 ],
             },
@@ -89,6 +90,7 @@ def test_list_objecttypes(self, m: requests_mock.Mocker):
                     "uuid": "2c77babf-a967-4057-9969-0200320d23f1",
                     "name": "Tree",
                     "namePlural": "Trees",
+                    "dataClassification": "open",
                 }
             ],
         )