Rails - Mar 2006 - DRY Rails question

I need to pull user preferences on every page load of every controller 
and action in my app. I do this like so:

@user = User.find(@session[''user''].id)
@prefs = @user.prefs

And it works fine in the action of one of my controllers, but I 
certainly don''t want to plunk it in every instance. Where do you 
normally put something like this? I tried putting it in the application 
controller (application.rb), but it gives me the nil object error.

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On 31/03/06, Ryan Williams <ryan@jimmyether.com>
wrote:
> I need to pull user preferences on every page load of every controller
> and action in my app. I do this like so:
>
> @user = User.find(@session[''user''].id)
> @prefs = @user.prefs
>
> And it works fine in the action of one of my controllers, but I
> certainly don''t want to plunk it in every instance. Where do you
> normally put something like this? I tried putting it in the application
> controller (application.rb), but it gives me the nil object error.
I''d suggest using it as a :before_filter in the application
controller, but you''ll want to check that the @user object exists
before using it, of course.

David