Rename GroupHierarchy into ObjectHierarchy

- we now use the hierarchy class also for epics
- also rename supports_nested_groups? into supports_nested_objects?
  - move it to a concern

2 files changed, 2 insertions, 2 deletions

diff --git a/app/services/groups/nested_create_service.rb b/app/services/groups/nested_create_service.rb
index 50d34d8cb91..f01f5656296 100644
--- a/app/services/groups/nested_create_service.rb
+++ b/app/services/groups/nested_create_service.rb
@@ -18,7 +18,7 @@ module Groups
         return namespace
       end
 
-      if group_path.include?('/') && !Group.supports_nested_groups?
+      if group_path.include?('/') && !Group.supports_nested_objects?
         raise 'Nested groups are not supported on MySQL'
       end
 
diff --git a/app/services/groups/transfer_service.rb b/app/services/groups/transfer_service.rb
index 5efa746dfb9..f64e327416a 100644
--- a/app/services/groups/transfer_service.rb
+++ b/app/services/groups/transfer_service.rb
@@ -40,7 +40,7 @@ module Groups
 
     def ensure_allowed_transfer
       raise_transfer_error(:group_is_already_root) if group_is_already_root?
-      raise_transfer_error(:database_not_supported) unless Group.supports_nested_groups?
+      raise_transfer_error(:database_not_supported) unless Group.supports_nested_objects?
       raise_transfer_error(:same_parent_as_current) if same_parent?
       raise_transfer_error(:invalid_policies) unless valid_policies?
       raise_transfer_error(:namespace_with_same_path) if namespace_with_same_path?