app/controllers/assets_controller.rb
class AssetsController < InheritedResources::Base
actions :create, :destroy
belongs_to :proyecto, :polymorphic => true, :optional => true
belongs_to :nota, :polymorphic => true, :optional => true
authorize_resource
def create
create! { [:admin, parent] }
end
def destroy
destroy! { [:admin, parent] }
end
end