Module: Label::Relation::BidirectionalRelationExtension

Defined in:
app/models/label/relation/bidirectional_relation_extension.rb

Instance Method Summary collapse

Instance Method Details

#create_with_bidirectional_relation(target_label, attributes = {}) ⇒ Object 



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# File 'app/models/label/relation/bidirectional_relation_extension.rb', line 20

def create_with_bidirectional_relation(target_label, attributes = {})
  relation_class = proxy_association.reflection.class_name.constantize
  ActiveRecord::Base.transaction do
    # The one direction
    scope = relation_class.where(domain_id: proxy_association.owner.id, range_id: target_label.id)
    scope.any? || scope.create!(attributes)

    # The bidirectional direction
    scope = relation_class.where(domain_id: target_label.id, range_id: proxy_association.owner.id)
    scope.any? || scope.create!(attributes)
  end
end

#destroy_with_bidirectional_relation(target_label) ⇒ Object 



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# File 'app/models/label/relation/bidirectional_relation_extension.rb', line 33

def destroy_with_bidirectional_relation(target_label)
  relation_class = proxy_association.reflection.class_name.constantize
  ActiveRecord::Base.transaction do
    relation_class.where(domain_id: proxy_association.owner.id, range_id: target_label.id).load.each do |relation|
      relation.destroy
    end

    relation_class.where(domain_id: target_label.id, range_id: proxy_association.owner.id).load.each do |relation|
      relation.destroy
    end
  end
end