User.rb Noobie

class User < ActiveRecord::Base
  def self.from_omniauth(auth)
    where(auth.slice(:provider, :uid)).first_or_initialize.tap do |user|
      user.provider = auth.provider
      user.uid = auth.uid
      user.name = auth.info.name
      user.oauth_token = auth.credentials.token
      user.oauth_expires_at = Time.at(auth.credentials.expires_at)
      user.save!
    end
  end

  def facebook
    @facebook = Koala::Facebook::API.new(oauth_token)
  end

  def friends_count
    facebook.get_connection("me", "friends").size
  rescue Koala::Facebook::APIError => e
    logger.info e.to_s
    nil
  end

  def regged
   facebook.fql_query("SELECT uid,username, is_app_user FROM user WHERE uid IN(SELECT uid2 FROM friend WHERE uid1 = me()) AND is_app_user=1");
  rescue Koala::Facebook::APIError => e
    logger.info e.to_s
    nil
  end
end