Rails router class & module

router.rb

# From: http://www.broadcastingadam.com/2012/03/generating_urls_whenever_and_wherever_you_want/

## Class
class Router
  include Rails.application.routes.url_helpers

  def self.default_url_options
    ActionMailer::Base.default_url_options
  end
end

router = Router.new
router.posts_url  # http://localhost:3000/posts
router.posts_path # /posts

## Module


module Routing
  extend ActiveSupport::Concern
  include Rails.application.routes.url_helpers

  included do
    def default_url_options
      ActionMailer::Base.default_url_options
    end
  end
end

class UrlGenerator
  include Routing
end

generator = UrlGenerator.new
generator.posts_url
generator.posts_path