Bean Validation - groups

kiteB · Sep 27, 2021 · ca85fde · ca85fde
1 parent dbe38c3
commit ca85fde
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Showing 4 changed files with 60 additions and 7 deletions.
diff --git a/validation/src/main/java/hello/itemservice/domain/item/Item.java b/validation/src/main/java/hello/itemservice/domain/item/Item.java
@@ -12,17 +12,18 @@
 //@ScriptAssert(lang = "javascript", script = "_this.price * _this.quantity >= 10000", message = "총합이 10000원 넘게 입력해주세요.")
 public class Item {
 
+    @NotNull(groups = UpdateCheck.class)    //수정시에만 적용
     private Long id;
 
-    @NotBlank
+    @NotBlank(groups = {SaveCheck.class, UpdateCheck.class})
     private String itemName;
 
-    @NotNull
-    @Range(min = 1000, max = 1000000)
+    @NotNull(groups = {SaveCheck.class, UpdateCheck.class})
+    @Range(min = 1000, max = 1000000, groups = {SaveCheck.class, UpdateCheck.class})
     private Integer price;
 
-    @NotNull
-    @Max(9999)
+    @NotNull(groups = {SaveCheck.class, UpdateCheck.class})
+    @Max(value = 9999, groups = SaveCheck.class)    //등록시에만 적용
     private Integer quantity;
 
     public Item() {

diff --git a/validation/src/main/java/hello/itemservice/domain/item/SaveCheck.java b/validation/src/main/java/hello/itemservice/domain/item/SaveCheck.java
@@ -0,0 +1,4 @@
+package hello.itemservice.domain.item;
+
+public interface SaveCheck {
+}
diff --git a/validation/src/main/java/hello/itemservice/domain/item/UpdateCheck.java b/validation/src/main/java/hello/itemservice/domain/item/UpdateCheck.java
@@ -0,0 +1,4 @@
+package hello.itemservice.domain.item;
+
+public interface UpdateCheck {
+}
diff --git a/validation/src/main/java/hello/itemservice/web/validation/ValidationItemControllerV3.java b/validation/src/main/java/hello/itemservice/web/validation/ValidationItemControllerV3.java
@@ -2,6 +2,8 @@
 
 import hello.itemservice.domain.item.Item;
 import hello.itemservice.domain.item.ItemRepository;
+import hello.itemservice.domain.item.SaveCheck;
+import hello.itemservice.domain.item.UpdateCheck;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Controller;
@@ -45,7 +47,7 @@ public String addForm(Model model) {
         return "validation/v3/addForm";
     }
 
-    @PostMapping("/add")
+//    @PostMapping("/add")
     public String addItem(@Validated @ModelAttribute Item item, BindingResult bindingResult, RedirectAttributes redirectAttributes) {
 
         //특정 필드 예외가 아닌 전체 예외
@@ -68,14 +70,37 @@ public String addItem(@Validated @ModelAttribute Item item, BindingResult bindin
         return "redirect:/validation/v3/items/{itemId}";
     }
 
+    @PostMapping("/add")
+    public String addItemV2(@Validated(SaveCheck.class)  @ModelAttribute Item item, BindingResult bindingResult, RedirectAttributes redirectAttributes) {
+
+        //특정 필드 예외가 아닌 전체 예외
+        if (item.getPrice() != null && item.getQuantity() != null) {
+            int resultPrice = item.getPrice() * item.getQuantity();
+            if (resultPrice < 10000) {
+                bindingResult.reject("totalPriceMin", new Object[]{10000, resultPrice}, null);
+            }
+        }
+
+        if (bindingResult.hasErrors()) {
+            log.info("errors={}", bindingResult);
+            return "validation/v3/addForm";
+        }
+
+        //성공 로직
+        Item savedItem = itemRepository.save(item);
+        redirectAttributes.addAttribute("itemId", savedItem.getId());
+        redirectAttributes.addAttribute("status", true);
+        return "redirect:/validation/v3/items/{itemId}";
+    }
+
     @GetMapping("/{itemId}/edit")
     public String editForm(@PathVariable Long itemId, Model model) {
         Item item = itemRepository.findById(itemId);
         model.addAttribute("item", item);
         return "validation/v3/editForm";
     }
 
-    @PostMapping("/{itemId}/edit")
+//    @PostMapping("/{itemId}/edit")
     public String edit(@PathVariable Long itemId, @Validated @ModelAttribute Item item, BindingResult bindingResult) {
         //특정 필드 예외가 아닌 전체 예외
         if (item.getPrice() != null && item.getQuantity() != null) {
@@ -94,5 +119,24 @@ public String edit(@PathVariable Long itemId, @Validated @ModelAttribute Item it
         return "redirect:/validation/v3/items/{itemId}";
     }
 
+    @PostMapping("/{itemId}/edit")
+    public String editV2(@PathVariable Long itemId, @Validated(UpdateCheck.class) @ModelAttribute Item item, BindingResult bindingResult) {
+        //특정 필드 예외가 아닌 전체 예외
+        if (item.getPrice() != null && item.getQuantity() != null) {
+            int resultPrice = item.getPrice() * item.getQuantity();
+            if (resultPrice < 10000) {
+                bindingResult.reject("totalPriceMin", new Object[]{10000, resultPrice}, null);
+            }
+        }
+
+        if (bindingResult.hasErrors()) {
+            log.info("errors={}", bindingResult);
+            return "validation/v3/editForm";
+        }
+
+        itemRepository.update(itemId, item);
+        return "redirect:/validation/v3/items/{itemId}";
+    }
+
 }