@RequestMapping(method = RequestMethod.GET)
  public ModelAndView show(
      @ModelAttribute("form") EditRegisterRequest form,
      @PathVariable String nick,
      HttpServletRequest request,
      HttpServletResponse response)
      throws Exception {
    Template tmpl = Template.getTemplate(request);
    if (!tmpl.isSessionAuthorized()) {
      throw new AccessViolationException("Not authorized");
    }
    if (!tmpl.getNick().equals(nick)) {
      throw new AccessViolationException("Not authorized");
    }
    User user = tmpl.getCurrentUser();
    UserInfo userInfo = userDao.getUserInfoClass(user);

    ModelAndView mv = new ModelAndView("edit-reg");

    form.setEmail(user.getEmail());
    form.setUrl(userInfo.getUrl());
    form.setTown(userInfo.getTown());
    form.setName(user.getName());
    form.setInfo(StringEscapeUtils.unescapeHtml(userDao.getUserInfo(user)));

    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");

    return mv;
  }
  @RequestMapping(method = RequestMethod.POST)
  public ModelAndView edit(
      HttpServletRequest request,
      @Valid @ModelAttribute("form") EditRegisterRequest form,
      Errors errors)
      throws Exception {
    Template tmpl = Template.getTemplate(request);

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

    String nick = tmpl.getNick();
    String password = Strings.emptyToNull(form.getPassword());

    if (password != null && password.equalsIgnoreCase(nick)) {
      errors.reject(null, "пароль не может совпадать с логином");
    }

    InternetAddress mail = null;

    if (!Strings.isNullOrEmpty(form.getEmail())) {
      try {
        mail = new InternetAddress(form.getEmail());
      } catch (AddressException e) {
        errors.rejectValue("email", null, "Некорректный e-mail: " + e.getMessage());
      }
    }

    String url = null;

    if (!Strings.isNullOrEmpty(form.getUrl())) {
      url = URLUtil.fixURL(form.getUrl());
    }

    String name = Strings.emptyToNull(form.getName());

    if (name != null) {
      name = StringUtil.escapeHtml(name);
    }

    String town = null;

    if (!Strings.isNullOrEmpty(form.getTown())) {
      town = StringUtil.escapeHtml(form.getTown());
    }

    String info = null;

    if (!Strings.isNullOrEmpty(form.getInfo())) {
      info = StringUtil.escapeHtml(form.getInfo());
    }

    ipBlockDao.checkBlockIP(request.getRemoteAddr(), errors, tmpl.getCurrentUser());

    boolean emailChanged = false;

    User user = userDao.getUser(nick);

    if (Strings.isNullOrEmpty(form.getOldpass())) {
      errors.rejectValue("oldpass", null, "Для изменения регистрации нужен ваш пароль");
    } else if (!user.matchPassword(form.getOldpass())) {
      errors.rejectValue("oldpass", null, "Неверный пароль");
    }

    user.checkAnonymous();

    String newEmail = null;

    if (mail != null) {
      if (user.getEmail() != null && user.getEmail().equals(form.getEmail())) {
        newEmail = null;
      } else {
        if (userDao.getByEmail(mail.getAddress(), false) != null) {
          errors.rejectValue("email", null, "такой email уже используется");
        }

        newEmail = mail.getAddress();

        emailChanged = true;
      }
    }

    if (!errors.hasErrors()) {
      userDao.updateUser(user, name, url, newEmail, town, password, info);

      if (emailChanged) {
        emailService.sendEmail(user.getNick(), mail.getAddress(), false);
      }
    } else {
      return new ModelAndView("edit-reg");
    }

    if (emailChanged) {
      String msg =
          "Обновление регистрации прошло успешно. Ожидайте письма с кодом активации смены email.";

      return new ModelAndView("action-done", "message", msg);
    } else {
      return new ModelAndView(new RedirectView("/people/" + nick + "/profile"));
    }
  }