/** Handles request for saving / updating account */
  @RequestMapping(value = "/update", method = RequestMethod.POST)
  public @ResponseBody void update(
      @RequestParam(value = "username", required = true) String username,
      @RequestParam(value = "name", required = false) String name,
      @RequestParam(value = "surname", required = false) String surname,
      @RequestParam(value = "telephoneNumber", required = false) String telephoneNumber) {
    logger.debug("Received request to update account");

    accountService.update(new Account(username, name, surname, telephoneNumber));
  }