ruby on rails - RailsAdmin for rails3 (with devise) - only for admin view? -

hey guys, i've been using https://github.com/sferik/rails_admin uses devise authentication...

i've edited users table have user_role. want user able access admin section if role admin, idea how can manage this?

thanks!

have looked @ cancan?

some links:

1. using devise , can can
2. ryan bates railscast on can can
3. cancan on github

ian.