url_helper.rb

      def current_page?(options)
        unless request
          raise "You cannot use helpers that need to determine the current " \
                "page unless your view context provides a Request object " \
                "in a #request method"
        end

        return false unless request.get? || request.head?

        url_string = URI.parser.unescape(url_for(options)).force_encoding(Encoding::BINARY)

        # We ignore any extra parameters in the request_uri if the
        # submitted url doesn't have any either. This lets the function
        # work with things like ?order=asc
        request_uri = url_string.index("?") ? request.fullpath : request.path
        request_uri = URI.parser.unescape(request_uri).force_encoding(Encoding::BINARY)

        binding.pry
        if url_string =~ /^\w+:\/\//
          url_string == "#{request.protocol}#{request.host_with_port}#{request_uri}"
        else
          url_string == request_uri
        end
      end