sdfadsf.rb

# Decorators
class BaseDecorator < SimpleDelegator
  attr_reader :view

  def initialize(model, view = ActionView::Base.new)
    @view = view
    super(model)
  end

  def self.from_collection(collection, view = ActionView::Base.new)
    collection.map { |model| new(model, view) }
  end

  def model
    __getobj__
  end

  def inspect
    "#{self.class}(#{super})"
  end

  def method_missing(meth, *args)
    if job_order.respond_to?(meth)
      job_order.send(meth, *args)

    else
      super
    end
  end
end

class ArticleDecorator < BaseDecorator
  def user
    @user ||= UserDecorator.new(super)
  end

  def foo
    @foo ||= 'foo'
  end
end

class UserDecorator < BaseDecorator
  def bar
    @bar ||= 'bar'
  end
end

# Controller
article = Article.find(..)
@article = ArticleDecorator.new(article)

# View
<%= @article.foo %> <-- Returns 'foo'
<%= @article.user.bar %> <-- Renders high CPU, nothing happens. I suspect an infinite loop somewhere