Add changelog GraphQL relation for changelogged models

netbox/extras/graphql/mixins.py

@@ -2,6 +2,7 @@ import graphene
 from graphene.types.generic import GenericScalar
 
 __all__ = (
+    'ChangelogMixin',
     'CustomFieldsMixin',
     'ImageAttachmentsMixin',
     'JournalEntriesMixin',
@@ -9,6 +10,13 @@ __all__ = (
 )
 
 
+class ChangelogMixin:
+    changelog = graphene.List('extras.graphql.types.ObjectChangeType')
+
+    def resolve_changelog(self, info):
+        return self.object_changes.restrict(info.context.user, 'view')
+
+
 class CustomFieldsMixin:
     custom_fields = GenericScalar()