Localized patch

localized_patch.rb

# makes sure that
# • we fallback on all :blank? values
# • an only on :present? values

module Mongoid
  module Fields
    module LocalizedPatch
      def lookup(object)
        locale = ::I18n.locale

        value = if object.key?(locale.to_s)
          object[locale.to_s]
        elsif object.key?(locale)
          object[locale]
        end
        return value unless value.blank?
        if fallbacks? && ::I18n.respond_to?(:fallbacks)
          object[::I18n.fallbacks[locale].map(&:to_s).find{ |loc| object.has_key?(loc) && object[loc].present? }]
        end
      end
    end
  end
end

Mongoid::Fields::Localized.send(:prepend, Mongoid::Fields::LocalizedPatch)