Globalize gem presence validation

translation_presence_validator.rb

# Usage in model:
#
# validates :title, translation_presence: true,
# validates :title, translation_presence: {message: ''}
#
class TranslationPresenceValidator < ActiveModel::EachValidator

  def validate_each(record, attribute, value)
    record.translations.each do |translation|
      if translation[attribute].blank?
        record.errors.add("#{attribute}_#{translation.locale}", options[:message] || :blank)
      end
    end
  end

end