From 51f2adeebab92bf8402f44ba410404fea4d3def0 Mon Sep 17 00:00:00 2001
From: haerong22 <haerong22@naver.com>
Date: Fri, 16 Jul 2021 00:51:33 +0900
Subject: [PATCH] springboot_validation : reject(), rejectValue()

---
 .../ValidationItemControllerV2.java           | 36 +++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/springboot_validation/src/main/java/hello/itemservice/web/validation/ValidationItemControllerV2.java b/springboot_validation/src/main/java/hello/itemservice/web/validation/ValidationItemControllerV2.java
index 463be587..84803da4 100644
--- a/springboot_validation/src/main/java/hello/itemservice/web/validation/ValidationItemControllerV2.java
+++ b/springboot_validation/src/main/java/hello/itemservice/web/validation/ValidationItemControllerV2.java
@@ -108,7 +108,7 @@ public class ValidationItemControllerV2 {
         return "redirect:/validation/v2/items/{itemId}";
     }
 
-    @PostMapping("/add")
+//    @PostMapping("/add")
     public String addItemV3(@ModelAttribute Item item, BindingResult bindingResult, RedirectAttributes redirectAttributes, Model model) {
 
         // 검증 로직
@@ -124,7 +124,39 @@ public class ValidationItemControllerV2 {
         if (item.getPrice() != null && item.getQuantity() != null ) {
             int resultPrice = item.getPrice() * item.getQuantity();
             if (resultPrice < 10000) {
-                bindingResult.addError(new ObjectError("item", new String[]{"totalPriceMin"}, new Object[]{10000, resultPrice}, null;
+                bindingResult.addError(new ObjectError("item", new String[]{"totalPriceMin"}, new Object[]{10000, resultPrice}, null));
+            }
+        }
+
+        // 검증 실패시
+        if (bindingResult.hasErrors()) {
+            return "validation/v2/addForm";
+        }
+
+        // 검증 성공시
+        Item savedItem = itemRepository.save(item);
+        redirectAttributes.addAttribute("itemId", savedItem.getId());
+        redirectAttributes.addAttribute("status", true);
+        return "redirect:/validation/v2/items/{itemId}";
+    }
+
+    @PostMapping("/add")
+    public String addItemV4(@ModelAttribute Item item, BindingResult bindingResult, RedirectAttributes redirectAttributes, Model model) {
+
+        // 검증 로직
+        if (!StringUtils.hasText(item.getItemName())) {
+            bindingResult.rejectValue("itemName", "required");
+        }
+        if (item.getPrice() == null || item.getPrice() < 1000 || item.getPrice() > 1000000) {
+            bindingResult.rejectValue("price", "range", new Object[]{1000, 1000000}, null);
+        }
+        if (item.getQuantity() == null || item.getQuantity() >= 9999) {
+            bindingResult.rejectValue("quantity", "max", new Object[]{9999}, null);
+        }
+        if (item.getPrice() != null && item.getQuantity() != null ) {
+            int resultPrice = item.getPrice() * item.getQuantity();
+            if (resultPrice < 10000) {
+                bindingResult.reject("totalPriceMin");
             }
         }