// create new category, save to database
@RequestMapping(params = "form", method = RequestMethod.POST)
public String create(
@Valid Category category,
BindingResult bindingResult,
Model uiModel,
HttpServletRequest httpServletRequest,
RedirectAttributes redirectAttributes,
Locale locale) {
logger.info("Creating category");
if (bindingResult.hasErrors()) {
uiModel.addAttribute(
"message",
new Message(
"error", messageSource.getMessage("category_save_fail", new Object[] {}, locale)));
uiModel.addAttribute("category", category);
addCategoryHomeLink(uiModel);
resetCategories(uiModel, category, categoryService.findParents());
return "categories/create";
}
uiModel.asMap().clear();
redirectAttributes.addFlashAttribute(
"message",
new Message(
"success", messageSource.getMessage("category_save_success", new Object[] {}, locale)));
String parentCategoryId = category.getParentCategoryId();
if (parentCategoryId != null && !parentCategoryId.equals(""))
category.setParentCategory(categoryService.findById(Integer.valueOf(parentCategoryId)));
categoryService.save(category);
return "redirect:/admin/categories/"
+ UrlUtil.encodeUrlPathSegment(category.getCategoryId().toString(), httpServletRequest)
+ "?form";
}
// update an existing group, save to database
@RequestMapping(value = "/{id}", params = "form", method = RequestMethod.POST)
@Transactional
public String update(
@ModelAttribute("category") Category category,
@PathVariable Integer id,
Model uiModel,
HttpServletRequest httpServletRequest,
RedirectAttributes redirectAttributes,
Locale locale,
BindingResult bindingResult) {
logger.info("Updating category");
Set<ConstraintViolation<Category>> violations = validator.validate(category);
for (ConstraintViolation<Category> violation : violations) {
String propertyPath = violation.getPropertyPath().toString();
String message = violation.getMessage();
// Add JSR-303 errors to BindingResult
// This allows Spring to display them in view via a FieldError
bindingResult.addError(
new FieldError("user", propertyPath, "Invalid " + propertyPath + "(" + message + ")"));
}
if (bindingResult.hasErrors()) {
uiModel.addAttribute(
"message",
new Message(
"error", messageSource.getMessage("category_save_fail", new Object[] {}, locale)));
uiModel.addAttribute("category", category);
addCategoryHomeLink(uiModel);
resetCategories(uiModel, category, categoryService.findParents());
return "categories/update";
}
uiModel.asMap().clear();
category.setCategoryId(id);
redirectAttributes.addFlashAttribute(
"message",
new Message(
"success", messageSource.getMessage("category_save_success", new Object[] {}, locale)));
uiModel.addAttribute("category", category);
resetCategories(uiModel, category, categoryService.findParents());
String parentCategoryId = category.getParentCategoryId();
if (parentCategoryId != null && !parentCategoryId.equals(""))
category.setParentCategory(categoryService.findById(Integer.valueOf(parentCategoryId)));
categoryService.save(category);
return "categories/update";
}
private void resetCategories(Model uiModel, Category category, List<Category> categories) {
uiModel.addAttribute("parentCategories", categories);
Category parentCategory = category.getParentCategory();
if (parentCategory != null)
category.setParentCategoryId(parentCategory.getCategoryId().toString());
}