public static void postDate(String code, String userId, int rank) {
    Logger.info(code);
    Logger.info(userId);
    Logger.info("" + rank);
    if (code.equals(Business.BUSINESS)) {
      Business b = Business.findById(userId);
      b.rank = rank;
      b.save();
    } else if (code.equals(Developer.DEVELOPER)) {
      Developer d = Developer.findById(userId);
      d.rank = rank;
      d.save();
    } else if (code.equals(Creativo.CREATIVO)) {
      Creativo c = Creativo.findById(userId);
      c.rank = rank;
      c.save();
    }

    render();
  }