Refactored Javascript

original.js

$(function(){

    $('.star-rating').each(function(){
      $(this).raty({

        path: '/images/',
        readOnly: cookieTest($(this).attr('id')),
        start: 3,

        click: function(score, evt) {
          
          $.fn.raty.readOnly(true, '#' + this.attr('id') );
          $.cookie(this.attr('id'), 'yes', { expires: 7 });
          this.next().html("(32 Votes) <br> Thanks for voting!");
          
          //callback se der certo cria o cookie e thanks // else ele reativa o rating
          // $.post("/credit-card/" + this.attr('id') + "/rate/" + score, function(data) {
          //   $.cookie(this.attr('id'), 'yes', { expires: 7 });
          // });
        }

      });
    });
    
    function cookieTest(id) {
      if($.cookie(id) == 'yes') {
        return true;
      } else {
        return false;
      } 
    }

});

refactored-1.js

$(function(){
  $('.star-rating').each(addStarRating);
});

function addStarRating(){
  $(this).raty({
    path: '/images/',
    readOnly: userAlreadyRated(this.id),
    start: 3,
    click: rate
  });
}

function userAlreadyRated(id) {
  return $.cookie(id) == 'yes';
}

function rate(score, evt) {
  setAsReadOnly(this);
  saveCookie(this);
  thankYouMessage(this);
  // saveInTheDatabase(this);
}

function saveCookie(creditCard) {
  $.cookie(creditCard.attr('id'), 'yes', { expires: 7 });
}

function setAsReadOnly(creditCard) {
  $.fn.raty.readOnly(true, '#' + creditCard.attr('id') );
}

function thankYouMessage(creditCard) {
  creditCard.next().html("(35 Votes) <br> Thanks for voting!");
}

function saveInTheDatabase(creditCard) {
  $.post("/credit-card/" + creditCard.attr('id') + "/rate/" + score, success);
}

function success(data) {
  $.cookie(this.attr('id'), 'yes', { expires: 7 });
}

refactored-2.coffee

$ ->
  $('.star-rating').each ->
    new CreditCardStarRating(this)

class CreditCardStarRating
  constructor: (@creditCard) ->
    @id= @creditCard.id
    $(@creditCard).raty
      path: '/images/'
      readOnly: @userAlreadyRated()
      start: parseInt($(@creditCard).data('rating'), 10)
      click: @rate

  userAlreadyRated: =>
    $.cookie(@id) == 'yes'

  rate: (@score, evt) =>
    @setAsReadOnly()
    @saveCookie()
    @thankYouMessage()
    # @saveInTheDatabase()

  saveCookie: =>
    $.cookie(@id, 'yes', { expires: 7 })

  setAsReadOnly: =>
    $.fn.raty.readOnly(true, '#' + @id)

  thankYouMessage: =>
    $(@creditCard).next().html("(#{@numberOfVotes} Votes) <br> Thanks for voting!")

  numberOfVotes: =>
    parseInt($(@creditCard).data('votes'), 10) + 1

  saveInTheDatabase: =>
    $.post("/credit-card/" + @id + "/rate/" + @score, @afterSave)

  afterSave: (data) =>
    @saveCookie()