- belongs_to :container, foreign_key: :container_uuid, primary_key: :uuid
- belongs_to :requesting_container, {
- class_name: 'Container',
- foreign_key: :requesting_container_uuid,
- primary_key: :uuid,
- }
+ belongs_to :container,
+ foreign_key: 'container_uuid',
+ primary_key: 'uuid',
+ optional: true
+ belongs_to :requesting_container,
+ class_name: 'Container',
+ foreign_key: 'requesting_container_uuid',
+ primary_key: 'uuid',
+ optional: true