simple db localization

internalization_helper.rb

module InternalizationHelper
  # let's imagine that some methods defined in your model like 'title_en' and 'title_ru' for different locales
  # helper will create 'title' method depending on current I18n.locale

  # Model.rb
  # extend InternalizationHelper
  # define_translations_for 'title', 'description', ...

  def define_translations_for *methods
    methods.each do |method_name|
      define_method(method_name) {
        self.send "#{method_name}_#{I18n.locale}"
      }
    end
  end
end