Module: Hyrax::Collections::NestedCollectionPersistenceService

Defined in:

app/services/hyrax/collections/nested_collection_persistence_service.rb

Class Method Summary

• .persist_nested_collection_for(parent:, child:, user: nil) ⇒ Object

  Responsible for persisting the relationship between the parent and the child.

• .remove_nested_relationship_for(parent:, child:, user: nil) ⇒ Object

Class Method Details

.persist_nested_collection_for(parent:, child:, user: nil) ⇒ Object

Note:

There is odd permission arrangement based on the NestedCollectionQueryService: You can nest the child within a parent if you can edit the parent and read the child. See wiki.lyrasis.org/display/samvera/Samvera+Tech+Call+2017-08-23 for tech discussion.

Responsible for persisting the relationship between the parent and the child.

Parameters:

• parent (Hyrax::PcdmCollection | ::Collection)
• child (Hyrax::PcdmCollection | ::Collection)
• user (::User) (defaults to: nil) —

  current logged in user (defaults=nil for backward compatibility)

See Also:

• Hyrax::Collections::NestedCollectionQueryService

# File 'app/services/hyrax/collections/nested_collection_persistence_service.rb', line 16

def self.persist_nested_collection_for(parent:, child:, user: nil)
  child_resource = child.respond_to?(:valkyrie_resource) ? child.valkyrie_resource : child
  Hyrax::Collections::CollectionMemberService.add_member(collection_id: parent.id, new_member: child_resource, user: user)
end

.remove_nested_relationship_for(parent:, child:, user: nil) ⇒ Object

Parameters:

• parent (Hyrax::PcdmCollection | ::Collection)
• child (Hyrax::PcdmCollection | ::Collection)
• user (::User) (defaults to: nil) —

  current logged in user (defaults=nil for backward compatibility)

# File 'app/services/hyrax/collections/nested_collection_persistence_service.rb', line 24

def self.remove_nested_relationship_for(parent:, child:, user: nil)
  child_resource = child.respond_to?(:valkyrie_resource) ? child.valkyrie_resource : child
  Hyrax::Collections::CollectionMemberService.remove_member(collection_id: parent.id, member: child_resource, user: user)
  true
end