my_controller.rb

class MyControllerOrPlainRubyObject
  extend CodedOptions

  coded_options :state, %w(initial active closed)

  STATES = %w(initial active closed)
  STATE_OPTIONS = [["initial", 0],
                   ["active", 1],
                   ["closed", 2]]

  def state
    return unless state_id
    STATES[state_id]
  end

end