class VotesController < ApplicationController def create @video = Video.find(params[:id]) @voted_for = cookies[:voted_for] ? cookies[:voted_for].split(",") : [] if @voted_for.include?(@video.id.to_s) render :text => "You already voted for #{@video}!" else render :text => "Thanks for voting for #{@video}!" cookies[:voted_for] ||= [] cookies[:voted_for] = cookies[:voted_for] << "#{@video.id}," Video.increment_counter(:votes, @video.id) end end end