# source: https://github.com/karmi/retire/blob/master/lib/tire/utils.rb
require 'uri'

module Mongoid
  module Elasticsearch
    module Utils

      def escape(s)
        URI.encode_www_form_component(s.to_s)
      end

      def unescape(s)
        s = s.to_s.respond_to?(:force_encoding) ? s.to_s.force_encoding(Encoding::UTF_8) : s.to_s
        URI.decode_www_form_component(s)
      end

      def clean(s)
        s.to_s.gsub(/\W+/, ' ').gsub(/ +/, '').strip
      end

      extend self
    end
  end
end