metrics_loader.rb

class Metric
  attr_accessor :reason
end

class MetricsLoader

  def self.load
    file = File.open(Rails.root.join('app','metrics.rb'), 'r')
    contents = file.read

    eval(contents)
  end

  private

  def self.metric(name)
    m = Metric.new

    yield(m)

    puts m.reason

  end

end