Use a concern in a Controller

log

Started GET "/" for 127.0.0.1 at 2014-02-20 22:43:21 -0800
Processing by WebsiteController#index as HTML
  Rendered text template (0.0ms)
Completed 200 OK in 2.3ms (Views: 1.9ms | ActiveRecord: 0.0ms)
some_method from shared logic
some_method from overridden in website controller

shared_controller_logic.rb

module SharedControllerLogic
  extend ActiveSupport::Concern

  included do
    before_filter :some_method
  end

  def some_method
    puts "some_method from shared logic"
  end
end

website_controller.rb

class WebsiteController < ApplicationController
  include SharedControllerLogic

  def index
    render text: "hello world"
  end

  def some_method
    super
    puts "some_method from overridden in website controller"
  end
end