Java UserDao.removePhoto示例

  @RequestMapping(value = "/remove-userpic.jsp", method = RequestMethod.POST)
  public ModelAndView removeUserpic(ServletRequest request, @RequestParam("id") User user)
      throws Exception {
    Template tmpl = Template.getTemplate(request);

    if (!tmpl.isSessionAuthorized()) {
      throw new AccessViolationException("Not autorized");
    }

    User currentUser = tmpl.getCurrentUser();

    if (!currentUser.isModerator() && currentUser.getId() != user.getId()) {
      throw new AccessViolationException("Not permitted");
    }

    if (user.isModerator()) {
      throw new AccessViolationException(
          "Пользователю " + user.getNick() + " нельзя удалить картинку");
    }

    if (user.getPhoto() == null) {
      throw new AccessViolationException("Пользователь " + user.getNick() + " картинки не имеет");
    }

    if (userDao.removePhoto(user, currentUser)) {
      logger.info("Clearing " + user.getNick() + " userpic by " + currentUser.getNick());
    } else {
      logger.debug("SKIP Clearing " + user.getNick() + " userpic by " + currentUser.getNick());
    }

    return redirectToProfile(user);
  }