R18n translations and go_i18n_field in 25 lines...

translatable.rb

module Extensions
  module Translatable
    extend ActiveSupport::Concern

    module ClassMethods

      def translations(*fields)
        fields.each do |field|
          define_method field do read_translate(field) end
          define_method "#{field}=" do |value| write_translate(field, value) end
        end
      end

    end

    def read_translate(field)
      read_attribute("#{field}_#{I18n.locale}")
    end

    def write_translate(field, value)
      write_attribute("#{field}_#{I18n.locale}", value)
    end

  end
end