app/controllers/admin/event_documents_controller.rb
class Admin::EventDocumentsController < Admin::SimpleCrudController
defaults :resource_class => Document,
:collection_name => 'documents', :instance_name => 'document'
belongs_to :event
def show_order
@event = Event.find(params[:event_id])
@documents = DocumentCollectionOrder.new(@event.id).show
end
def update_order
DocumentCollectionOrder.new(params[:event_id]).update(params[:documents])
redirect_to show_order_admin_event_documents_url(event_id: params[:event_id])
end
end