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post method not supported in patch method

Time:04-10

I want edit entity with validating by hibernate-validator, but when calling the patch method, an error is thrown: post method not supported. How to make @PatchMapping work correctly? I am a beginner developer, help me please.

Controller:

    @GetMapping("/edit/{id}") //for admin & developer
    public String edit(@PathVariable("id") Long id, Model model, @AuthenticationPrincipal UserDetails user){
        final ProjectDTO project = this.projectService.getDTOById(id);
        model.addAttribute("project",project);
        model.addAttribute("currentUser", this.userService.findUserByNickname(user.getUsername()));
        return "project/edit";
    }

    @PatchMapping("/update")
    public String update(@RequestParam("project") @Valid Project project, BindingResult bindingResult,
                         Model model, @AuthenticationPrincipal UserDetails user,
                         @RequestParam("files") MultipartFile[] files) throws IOException{
        final User author = userService.findUserByNickname(user.getUsername());

        model.addAttribute("currentUser", author);
        model.addAttribute("files", files);
       
        if(bindingResult.hasErrors()){
            return "project/edit";
        }
        List<FileInfo> infoList = this.projectService.upload(Arrays.asList(files));
        project.setFileList(infoList);
        project.setPreviewId(infoList.get(0).getId());
        this.projectService.update(project);

        return "redirect:/portfolio";
    }

Service:

    @Transactional
    public void update(Project project){
        this.projectRepository.update(project.getId(),
                                    project.getTitle(),
                                    project.getDescription());
    }

Repository:

@Transactional
@Modifying
@Query(value = "UPDATE Project p SET p.title = :title, p.description = :description WHERE p.id = :id")
void update(@Param("id") Long id,
            @Param("title") String title,
            @Param("description") String description);

html form:

<form th:action="@{/portfolio/update}" th:method="patch" th:object="${project}" enctype="multipart/form-data">
                    <div >
                        <input  type="text" th:field="*{title}" id="title" th:value="${project.getTitle()}">
                        <div style="color:red" th:if="${#fields.hasErrors('title')}" th:errors="*{title}" >TITLE_ERROR</div>
                    </div>
                    <div >
                        <textarea placeholder="Описание проекта"  type="text" th:field="*{description}" rows="7" cols="65" id="description" th:inline="text">
                            [[${project.getDescription}]]
                        </textarea>
                        <div style="color:red" th:if="${#fields.hasErrors('description')}" th:errors="*{description}" >DESCRIPTION_ERROR</div>
                    </div>
                    <input  type="file" name="files" multiple>
                    <div th:text="${error}">FILE_ERR</div>
                    <div >
                        <button type="submit" >Обновить проект</button>
                    </div>
                </form>

CodePudding user response:

you can not use 'PATCH' for the form method attribute. only 'GET' and 'POST' methods are allowed(source).

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