gistfile1.rb

class User < ActiveRecord::Base
def self.from_omniauth(auth)
          where(auth.slice(:provider, :uid)).first_or_create do |user|
        	user.provider = auth.provider
      		user.uid = auth.uid
      		user.name = auth.info.name
      		user.email = auth.info.email
      		user.image = auth.info.image
      		user.location = auth.info.location
      		user.gender = auth.extra.raw_info.gender
      		user.urls = auth["info"]["urls"]["Facebook"]
      		user.oauth_token = auth.credentials.token
      		user.oauth_expires_at = Time.at(auth.credentials.expires_at)
      		
                  user.save!
                  user.add_friends
      	  end	
	    end
end