Rails - Oct 2006 - Setting cookies from a library?

I thought it would be nice if my login code handled session and cookie
management in a Session class, rather than explicitly in the controller.
So I made the session class attach itself to the current session:

module Hark
  class Session

    def self.get(session, cookiejar)
      session[:hark_session] ||= self.new(cookiejar)
    end

    def initialize(cookiejar)
      @cookiejar = cookiejar
    end
  end
end

Then I call it from my login action:

class HarkController < ApplicationController
  def login

    if request.post?     
      hs = Hark::Session.get(session, cookies)
    ...
end

This works beautifully in unit tests, but when I try to run it in webrick,
I get an error when it tries to serialize the session; apparently, the
CookieJar contains an anonymous class.  

Is there some way I can allow my session class to get/set cookies without
passing it the CookieJar each time?  On the face of it, I''d need to
store a
"pointer" to the CookieJar#[] and CookieJar#[]= functions, without
storing
the cookiejar itself.  But that''s not very Rubyish.  Ideas?

Jay Levitt


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