1 module SessionPersistence
 
   4   # Override this method if you don't want to use session[:_remember_for].
 
   5   def session_persistence_key
 
  11   #   session_expires_after 1.hour
 
  12   #   session_expires_after 2.weeks
 
  13   def session_expires_after(seconds)
 
  14     session[session_persistence_key] = seconds 
 
  18   def session_expires_automatically
 
  19     session.delete(session_persistence_key)
 
  21   alias_method :expire_session, :session_expires_automatically
 
  24     if session[session_persistence_key]
 
  25       request.session_options = request.session_options.dup
 
  26       request.session_options[:expire_after] = session[session_persistence_key]
 
  27       request.session_options.freeze