From 4979ec4ad30c0361b0763aa9aecd689a956799a2 Mon Sep 17 00:00:00 2001
From: haerong22 <haerong22@naver.com>
Date: Fri, 16 Jul 2021 00:41:13 +0900
Subject: [PATCH] springboot_validation : errors.properties

---
 .../ValidationItemControllerV2.java           | 35 ++++++++++++++++++-
 .../src/main/resources/application.properties |  3 +-
 .../src/main/resources/errors.properties      |  4 +++
 3 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 springboot_validation/src/main/resources/errors.properties

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 d27bfc5a..463be587 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
@@ -76,7 +76,7 @@ public class ValidationItemControllerV2 {
         return "redirect:/validation/v2/items/{itemId}";
     }
 
-    @PostMapping("/add")
+//    @PostMapping("/add")
     public String addItemV2(@ModelAttribute Item item, BindingResult bindingResult, RedirectAttributes redirectAttributes, Model model) {
 
         // 검증 로직
@@ -108,6 +108,39 @@ public class ValidationItemControllerV2 {
         return "redirect:/validation/v2/items/{itemId}";
     }
 
+    @PostMapping("/add")
+    public String addItemV3(@ModelAttribute Item item, BindingResult bindingResult, RedirectAttributes redirectAttributes, Model model) {
+
+        // 검증 로직
+        if (!StringUtils.hasText(item.getItemName())) {
+            bindingResult.addError(new FieldError("item", "itemName", item.getItemName(), false, new String[]{"required.item.itemName"}, null, null));
+        }
+        if (item.getPrice() == null || item.getPrice() < 1000 || item.getPrice() > 1000000) {
+            bindingResult.addError(new FieldError("item", "price",  item.getPrice(), false, new String[]{"range.item.price"}, new Object[]{1000, 1000000}, null));
+        }
+        if (item.getQuantity() == null || item.getQuantity() >= 9999) {
+            bindingResult.addError(new FieldError("item", "quantity", item.getQuantity(), false, new String[]{"max.item.quantity"}, new Object[]{9999}, null));
+        }
+        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;
+            }
+        }
+
+        // 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}";
+    }
+
+
     @GetMapping("/{itemId}/edit")
     public String editForm(@PathVariable Long itemId, Model model) {
         Item item = itemRepository.findById(itemId);
diff --git a/springboot_validation/src/main/resources/application.properties b/springboot_validation/src/main/resources/application.properties
index 2780394d..a8874545 100644
--- a/springboot_validation/src/main/resources/application.properties
+++ b/springboot_validation/src/main/resources/application.properties
@@ -1 +1,2 @@
-#logging.level.org.apache.coyote.http11=debug
\ No newline at end of file
+#logging.level.org.apache.coyote.http11=debug
+spring.messages.basename=messages, errors
\ No newline at end of file
diff --git a/springboot_validation/src/main/resources/errors.properties b/springboot_validation/src/main/resources/errors.properties
new file mode 100644
index 00000000..25e05ba3
--- /dev/null
+++ b/springboot_validation/src/main/resources/errors.properties
@@ -0,0 +1,4 @@
+required.item.itemName=상품 이름은 필수입니다.
+range.item.price=가격은 {0} ~ {1} 까지 허용합니다.
+max.item.quantity=수량은 최대 {0} 까지 허용합니다.
+totalPriceMin=가격 * 수량의 합은 {0}원 이상이어야 합니다. 현재 값 = {1}
\ No newline at end of file