Post-Redirect-Get with Spring WebFlux and Thymeleaf





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Can someone explain to me how to implement the post-redirect-get pattern in Spring WebFlux and Thymeleaf? What subscribes on the database save method?



@GetMapping("/register")
public String showRegisterForm(Model model) {
model.addAttribute("user", new User());

return "register";
}

@PostMapping
public String processRegisterForm(@Valid User user, BindingResult bindingResult) {
if (bindingResult.hasErrors()) {
return "register";
} else {
userRepository.save(user); //what subscribes on this?
//how to redirect on e.g. "/login"?
}
}









share|improve this question





























    2















    Can someone explain to me how to implement the post-redirect-get pattern in Spring WebFlux and Thymeleaf? What subscribes on the database save method?



    @GetMapping("/register")
    public String showRegisterForm(Model model) {
    model.addAttribute("user", new User());

    return "register";
    }

    @PostMapping
    public String processRegisterForm(@Valid User user, BindingResult bindingResult) {
    if (bindingResult.hasErrors()) {
    return "register";
    } else {
    userRepository.save(user); //what subscribes on this?
    //how to redirect on e.g. "/login"?
    }
    }









    share|improve this question

























      2












      2








      2








      Can someone explain to me how to implement the post-redirect-get pattern in Spring WebFlux and Thymeleaf? What subscribes on the database save method?



      @GetMapping("/register")
      public String showRegisterForm(Model model) {
      model.addAttribute("user", new User());

      return "register";
      }

      @PostMapping
      public String processRegisterForm(@Valid User user, BindingResult bindingResult) {
      if (bindingResult.hasErrors()) {
      return "register";
      } else {
      userRepository.save(user); //what subscribes on this?
      //how to redirect on e.g. "/login"?
      }
      }









      share|improve this question














      Can someone explain to me how to implement the post-redirect-get pattern in Spring WebFlux and Thymeleaf? What subscribes on the database save method?



      @GetMapping("/register")
      public String showRegisterForm(Model model) {
      model.addAttribute("user", new User());

      return "register";
      }

      @PostMapping
      public String processRegisterForm(@Valid User user, BindingResult bindingResult) {
      if (bindingResult.hasErrors()) {
      return "register";
      } else {
      userRepository.save(user); //what subscribes on this?
      //how to redirect on e.g. "/login"?
      }
      }






      thymeleaf spring-webflux






      share|improve this question













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      asked Nov 25 '18 at 10:54









      PeterPeter

      40219




      40219
























          2 Answers
          2






          active

          oldest

          votes


















          2














          You can make your controller method return a reactive type like this:



          @PostMapping
          public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {
          if (bindingResult.hasErrors()) {
          return Mono.just("register");
          } else {
          return userRepository.save(user).thenReturn("redirect:/login");
          }
          }





          share|improve this answer
























          • I don't know why I didn't try this at the first place. Thank you very much. :)

            – Peter
            Nov 25 '18 at 12:34



















          1














          Just for the record I recommend the solution that Brian wrote as is express the intent much better. However if you want to impress your friends. The here is some without the if statement.



          @PostMapping
          public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {

          return Mono
          .just(bindingResult.hasErrors())
          .filter(t -> t)
          .flatMap( t-> Mono.just("register"))
          .switchIfEmpty(userRepository.save(user).thenReturn("redirect:/login"));
          }





          share|improve this answer
























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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            2














            You can make your controller method return a reactive type like this:



            @PostMapping
            public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {
            if (bindingResult.hasErrors()) {
            return Mono.just("register");
            } else {
            return userRepository.save(user).thenReturn("redirect:/login");
            }
            }





            share|improve this answer
























            • I don't know why I didn't try this at the first place. Thank you very much. :)

              – Peter
              Nov 25 '18 at 12:34
















            2














            You can make your controller method return a reactive type like this:



            @PostMapping
            public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {
            if (bindingResult.hasErrors()) {
            return Mono.just("register");
            } else {
            return userRepository.save(user).thenReturn("redirect:/login");
            }
            }





            share|improve this answer
























            • I don't know why I didn't try this at the first place. Thank you very much. :)

              – Peter
              Nov 25 '18 at 12:34














            2












            2








            2







            You can make your controller method return a reactive type like this:



            @PostMapping
            public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {
            if (bindingResult.hasErrors()) {
            return Mono.just("register");
            } else {
            return userRepository.save(user).thenReturn("redirect:/login");
            }
            }





            share|improve this answer













            You can make your controller method return a reactive type like this:



            @PostMapping
            public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {
            if (bindingResult.hasErrors()) {
            return Mono.just("register");
            } else {
            return userRepository.save(user).thenReturn("redirect:/login");
            }
            }






            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Nov 25 '18 at 12:27









            Brian ClozelBrian Clozel

            32.7k880106




            32.7k880106













            • I don't know why I didn't try this at the first place. Thank you very much. :)

              – Peter
              Nov 25 '18 at 12:34



















            • I don't know why I didn't try this at the first place. Thank you very much. :)

              – Peter
              Nov 25 '18 at 12:34

















            I don't know why I didn't try this at the first place. Thank you very much. :)

            – Peter
            Nov 25 '18 at 12:34





            I don't know why I didn't try this at the first place. Thank you very much. :)

            – Peter
            Nov 25 '18 at 12:34













            1














            Just for the record I recommend the solution that Brian wrote as is express the intent much better. However if you want to impress your friends. The here is some without the if statement.



            @PostMapping
            public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {

            return Mono
            .just(bindingResult.hasErrors())
            .filter(t -> t)
            .flatMap( t-> Mono.just("register"))
            .switchIfEmpty(userRepository.save(user).thenReturn("redirect:/login"));
            }





            share|improve this answer




























              1














              Just for the record I recommend the solution that Brian wrote as is express the intent much better. However if you want to impress your friends. The here is some without the if statement.



              @PostMapping
              public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {

              return Mono
              .just(bindingResult.hasErrors())
              .filter(t -> t)
              .flatMap( t-> Mono.just("register"))
              .switchIfEmpty(userRepository.save(user).thenReturn("redirect:/login"));
              }





              share|improve this answer


























                1












                1








                1







                Just for the record I recommend the solution that Brian wrote as is express the intent much better. However if you want to impress your friends. The here is some without the if statement.



                @PostMapping
                public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {

                return Mono
                .just(bindingResult.hasErrors())
                .filter(t -> t)
                .flatMap( t-> Mono.just("register"))
                .switchIfEmpty(userRepository.save(user).thenReturn("redirect:/login"));
                }





                share|improve this answer













                Just for the record I recommend the solution that Brian wrote as is express the intent much better. However if you want to impress your friends. The here is some without the if statement.



                @PostMapping
                public Mono<String> processRegisterForm(@Valid User user, BindingResult bindingResult) {

                return Mono
                .just(bindingResult.hasErrors())
                .filter(t -> t)
                .flatMap( t-> Mono.just("register"))
                .switchIfEmpty(userRepository.save(user).thenReturn("redirect:/login"));
                }






                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 25 '18 at 21:29









                piotr szybickipiotr szybicki

                7211511




                7211511






























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