follows_controller.rb

# Shows all Follows for the current User, but only send who this User follows in an XML request.
  def index
    @following = Follow.find(:all, :conditions => {:follower_id => current_user.id})
    @followers = Follow.find(:all, :conditions => {:followee_id => current_user.id})
    @updates = nil
    
    @following.each do |follow|
      @updates += follow.user.timeline
    end
    
    respond_to do |format|
      format.html # index.html.erb
      format.xml {render :xml => @following}
    end
  end