module CanTango
  class PermitEngine < Engine
    module Executor
      class Abstract
        attr_accessor :permit

        def initialize permit
          @permit = permit
        end

        def permit?
          permit.permit? if permit
        end

        def execute!
          raise "Must be implemented by subclass"
        end

        protected

        def valid_for? subject
          permit.valid_for?(subject) if permit
        end

        def options
          permit.options
        end

        def subject
          permit.subject
        end

        def user
          permit.user
        end

        def user_account
          permit.user_account
        end
      end
    end
  end
end