reporte.rb

  class Status
    STATUS_CODES = { :queued  => 0,
                     :running => 1,
                     :error   => 2,
                     :success => 3 }

    STATUS_NAMES = { :queued  => "En cola de espera",
                     :running => "En ejecución",
                     :error   => "Terminado con errores",
                     :success => "Terminado sin errores" }

    cattr_accessor STATUS_CODES
    attr_accessor :code

    def initialize(code)
      @code = code
    end

    def to_s
      status_name
    end

    def status_name
      STATUS_NAMES[status]
    end

    def status
      STATUS_CODES.each do |k, v|
        return k if v == @code 
      end
    end

    def is_queued?; @code == STATUS_CODES[:queued] end
    def is_running?; @code == STATUS_CODES[:running] end
    def is_error?; @code == STATUS_CODES[:error] end
    def is_success?; @code == STATUS_CODES[:success] end
    def is_finished?; is_error? || is_success? end
  end

  def estado
    Status.new(super)
  end