1.rb

require 'mongo_mapper'

class Content
    include MongoMapper::Document

    attr_accessible :version, :html, :css, :js, :html_preprocessor, :css_preprocessor, :js_preprocesor

    #Foreign Keys
    key :user_id, String
    key :slug_id, String

    key :version, Integer
    key :html, String
    key :css, String
    key :js, String
    key :html_preprocessor, String
    key :css_preprocessor, String
    key :js_preprocesor, String

    timestamps!

    #TODO: validations

end

2.rb

require 'mongo_mapper'
require_relative '../models/content'

class ContentService

  def initialize(db = 'tinkerbox')
    MongoMapper.database = db
  end

  def save_content(content)
    begin
      Content.new(content).save
    rescue
      #TODO: handle exceptions
      throw "Fuck!"
    end
  end

end

    name              : '',
    html              : '',
    css               : '',
    js                : '',
    version           : 1,
    htmlPreProcessor  : 'none',

    cssPreProcessor   : 'none',
    cssPreFixFree     : '',

    jsPreProcessor    : 'none',
    jsLibrary         : '',