module Extensions
  module Routing
    
    module AbstractRequest
      def self.included(base)
        base.alias_method_chain :path, :localization
      end

      def path_with_localization
        @localized_path ||= 
          Extensions::Routing.localize_path(path_without_localization)
      end
    end

    def self.localize_path(path)
      return "" if path.blank?
      
      path.split("/").map do |segment|
        case segment
        when "": segment
        when /\A:/: segment
        else
          fragment = UrlFragment.find_by_localized(segment)
          fragment.blank? ? segment : fragment.original
        end
      end.join("/")
    end

  end
end