def host
      begin
        response = EventMachine::HttpRequest.new("http://turntable.fm/api/room.which_chatserver?roomid=#{id}").get.response
        success, data = response.empty? ? [nil, {}] : JSON.parse(response)
        raise(ConnectionError, data['err']) unless success

        self.attributes = data
      end unless @host
      @host
    end
def host
      begin
        response = EventMachine::HttpRequest.new("http://turntable.fm/api/room.which_chatserver?roomid=#{id}").get.response
        success, data = response.empty? ? [nil, {}] : JSON.parse(response)
        raise(ConnectionError, data['err']) unless success

        self.attributes = data
      end unless @host
      @host
    end
@api private
 Uses the configured chat host or attempts to look it up based on the room id

 @return [String]
 @raise [Turntabler::Error] if the host lookup fails