gistfile1.rb

    def load_from_cache
      unless File.exists?(cache_path)
        return false
      end
      toload = YAML.load_file(cache_path)
      created = {}
      models.each do |model|
        toload[model.name].each do |id, attributes|
          atts = {}
          attributes.each do |k,v|
            atts[k] = v
            if k.to_s.match(/_id$/) && v
              model.reflect_on_all_associations(:belongs_to).each do |assoc|
                if assoc.foreign_key == k
                  search_in = created[assoc.class_name]
                  if found = (search_in && search_in[v.to_s])
                    atts[k] = found.id
                  else
                    binding.pry
                  end
                end
              end
            end
          end
          created[model.name] ||= {}
          created[model.name][id.to_s] = model.create!(atts)
        end
      end
      true
    end

    def write_to_cache
      File.open(cache_path, "w+") do |fp|
        to_write = {}
        models.each do |model|
          model.all.each do |object|
            to_write[model.name] ||= {}
            to_write[model.name][object.id] = object.attributes
          end
        end
        fp.write(to_write.to_yaml)
      end
    end