module VCR::Middleware::Excon::LegacyMethods

def query
  @query ||= case request_params[:query]
    when String
      "?#{request_params[:query]}"
    when Hash
      qry = '?'
      for key, values in request_params[:query]
        if values.nil?
          qry << key.to_s << '&'
        else
          for value in [*values]
            qry << key.to_s << '=' << CGI.escape(value.to_s) << '&'
          end
        end
      end
      qry.chop! # remove trailing '&'
    else
      ''
  end
end