title: If helper methods should not interact directly with the database in rails, Why do we put @current_user as helper method?
body: <p>I read in <a href="http://johnotander.com/rails/2014/03/07/decorators-on-rails/" rel="nofollow">this blog</a> that helper methods should not interact with the database directly or manipulate data for views. These tasks should be handled by decorators.</p>
  
  <p>If this is the case, why do we typically put the @current_user methods in helper modules? (In Rails)</p>