_form.html.haml

= link_to(image_tag('thumbs_up_48.png'), resource(refactor.snippet, refactor, :votes, :new), :class => "vote_up")
= link_to(image_tag('thumbs_down_48.png'), resource(refactor.snippet, refactor, :votes, :new), :class => "vote_down")

_show.html.haml

%tr
  %td
    %div
      %h3= refactor.author.login
      %ul
        %li= refactor.author.created_on
        %li= "Refactors: #{refactor.author.refactors.count}"
    %div
      = partial "votes/form", :refactor => refactor
      = find_and_preserve(CodeRay.scan(refactor.code, :ruby).html.numerize.div)

application.js

// Common JavaScript code across your application goes here.
jQuery.ajaxSetup({
  'beforeSend': function(xhr) { xhr.setRequestHeader("Accept", "text/javascript") }
})

$(document).ready(fuction() {
  $("a.vote_up").click(function(){
    $.post($this, { 'vote[]': "1" });
  })
})

votes.rb

  def create(vote)
    @vote = Vote.new(vote)
    if @vote.save
      redirect resource(@vote), :message => {:notice => "Vote was successfully created"}
    else
      message[:error] = "Vote failed to be created"
      render :new
    end
  end