springboot_validation : bean validation - dto

springboot_validation/src/main/java/hello/itemservice/domain/item/Item.java

@@ -12,18 +12,18 @@ import javax.validation.constraints.NotNull;
 //@ScriptAssert(lang = "javascript", script = "_this.price * _this.quantity >= 10000", message = "총 합은 10000원 이상 이다.")
 public class Item {
 
-    @NotNull(groups = UpdateCheck.class) // 수정 시 요구사항 추가
+//    @NotNull(groups = UpdateCheck.class) // 수정 시 요구사항 추가
     private Long id;
 
-    @NotBlank(groups = {SaveCheck.class, UpdateCheck.class})
+//    @NotBlank(groups = {SaveCheck.class, UpdateCheck.class})
     private String itemName;
 
-    @NotNull(groups = {SaveCheck.class, UpdateCheck.class})
-    @Range(min = 1000, max = 1000000, groups = {SaveCheck.class, UpdateCheck.class})
+//    @NotNull(groups = {SaveCheck.class, UpdateCheck.class})
+//    @Range(min = 1000, max = 1000000, groups = {SaveCheck.class, UpdateCheck.class})
     private Integer price;
 
-    @NotNull(groups = {SaveCheck.class, UpdateCheck.class})
-    @Max(value = 9999, groups = {SaveCheck.class})
+//    @NotNull(groups = {SaveCheck.class, UpdateCheck.class})
+//    @Max(value = 9999, groups = {SaveCheck.class})
     private Integer quantity;
 
     public Item() {

springboot_validation/src/main/java/hello/itemservice/web/validation/ValidationItemControllerV4.java

@@ -0,0 +1,102 @@
+package hello.itemservice.web.validation;
+
+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 hello.itemservice.web.validation.form.ItemSaveForm;
+import hello.itemservice.web.validation.form.ItemUpdateForm;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+import java.util.List;
+
+@Controller
+@RequestMapping("/validation/v4/items")
+@RequiredArgsConstructor
+public class ValidationItemControllerV4 {
+
+    private final ItemRepository itemRepository;
+
+    @GetMapping
+    public String items(Model model) {
+        List<Item> items = itemRepository.findAll();
+        model.addAttribute("items", items);
+        return "validation/v4/items";
+    }
+
+    @GetMapping("/{itemId}")
+    public String item(@PathVariable long itemId, Model model) {
+        Item item = itemRepository.findById(itemId);
+        model.addAttribute("item", item);
+        return "validation/v4/item";
+    }
+
+    @GetMapping("/add")
+    public String addForm(Model model) {
+        model.addAttribute("item", new Item());
+        return "validation/v4/addForm";
+    }
+
+    @PostMapping("/add")
+    public String addItem(@Validated @ModelAttribute("item") ItemSaveForm form, BindingResult bindingResult, RedirectAttributes redirectAttributes) {
+
+        if (form.getPrice() != null && form.getQuantity() != null ) {
+            int resultPrice = form.getPrice() * form.getQuantity();
+            if (resultPrice < 10000) {
+                bindingResult.reject("totalPriceMin", new Object[]{10000, resultPrice}, null);
+            }
+        }
+
+        // 검증 실패시
+        if (bindingResult.hasErrors()) {
+            return "validation/v4/addForm";
+        }
+
+        Item item = new Item();
+        item.setItemName(form.getItemName());
+        item.setPrice(form.getPrice());
+        item.setQuantity(form.getQuantity());
+
+        // 검증 성공시
+        Item savedItem = itemRepository.save(item);
+        redirectAttributes.addAttribute("itemId", savedItem.getId());
+        redirectAttributes.addAttribute("status", true);
+        return "redirect:/validation/v4/items/{itemId}";
+    }
+
+    @GetMapping("/{itemId}/edit")
+    public String editForm(@PathVariable Long itemId, Model model) {
+        Item item = itemRepository.findById(itemId);
+        model.addAttribute("item", item);
+        return "validation/v4/editForm";
+    }
+
+    @PostMapping("/{itemId}/edit")
+    public String edit(@PathVariable Long itemId,
+                       @Validated @ModelAttribute("item") ItemUpdateForm form, BindingResult bindingResult) {
+        if (form.getPrice() != null && form.getQuantity() != null ) {
+            int resultPrice = form.getPrice() * form.getQuantity();
+            if (resultPrice < 10000) {
+                bindingResult.reject("totalPriceMin", new Object[]{10000, resultPrice}, null);
+            }
+        }
+
+        if (bindingResult.hasErrors()) {
+            return "validation/v4/editForm";
+        }
+
+        Item itemParam = new Item();
+        itemParam.setItemName(form.getItemName());
+        itemParam.setPrice(form.getPrice());
+        itemParam.setQuantity(form.getQuantity());
+        itemRepository.update(itemId, itemParam);
+        return "redirect:/validation/v4/items/{itemId}";
+    }
+}
+

springboot_validation/src/main/java/hello/itemservice/web/validation/form/ItemSaveForm.java

@@ -0,0 +1,23 @@
+package hello.itemservice.web.validation.form;
+
+import lombok.Data;
+import org.hibernate.validator.constraints.Range;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+
+@Data
+public class ItemSaveForm {
+
+    @NotBlank
+    private String itemName;
+
+    @NotNull
+    @Range(min = 1000, max = 1000000)
+    private Integer price;
+
+    @NotNull
+    @Max(value = 9999)
+    private Integer quantity;
+}

springboot_validation/src/main/java/hello/itemservice/web/validation/form/ItemUpdateForm.java

@@ -0,0 +1,24 @@
+package hello.itemservice.web.validation.form;
+
+import lombok.Data;
+import org.hibernate.validator.constraints.Range;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+
+@Data
+public class ItemUpdateForm {
+
+    @NotNull
+    private Long id;
+
+    @NotBlank
+    private String itemName;
+
+    @NotNull
+    @Range(min = 1000, max = 1000000)
+    private Integer price;
+
+    private Integer quantity;
+}

springboot_validation/src/main/resources/templates/validation/v4/addForm.html

@@ -0,0 +1,73 @@
+<!DOCTYPE HTML>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="utf-8">
+    <link th:href="@{/css/bootstrap.min.css}"
+          href="../css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        .container {
+            max-width: 560px;
+        }
+        .field-error {
+            border-color: #dc3545;
+            color: #dc3545;
+        }
+    </style>
+</head>
+<body>
+
+<div class="container">
+
+    <div class="py-5 text-center">
+        <h2 th:text="#{page.addItem}">상품 등록</h2>
+    </div>
+
+    <form action="item.html" th:action th:object="${item}" method="post">
+
+        <div th:if="${#fields.hasGlobalErrors()}">
+            <p class="field-error" th:each="err : ${#fields.globalErrors()}" th:text="${err}">글로벌 오류 메시지</p>
+        </div>
+        <div>
+            <label for="itemName" th:text="#{label.item.itemName}">상품명</label>
+            <input type="text" id="itemName" th:field="*{itemName}"
+                   th:errorclass="field-error" class="form-control" placeholder="이름을 입력하세요">
+            <div class="field-error" th:errors="*{itemName}">
+                상품명 오류
+            </div>
+        </div>
+        <div>
+            <label for="price" th:text="#{label.item.price}">가격</label>
+            <input type="text" id="price" th:field="*{price}"
+                   th:errorclass="field-error" class="form-control" placeholder="가격을 입력하세요">
+            <div class="field-error" th:errors="*{price}">
+                가격 오류
+            </div>
+        </div>
+        <div>
+            <label for="quantity" th:text="#{label.item.quantity}">수량</label>
+            <input type="text" id="quantity" th:field="*{quantity}"
+                   th:errorclass="field-error" class="form-control" placeholder="수량을 입력하세요">
+            <div class="field-error" th:errors="*{quantity}">
+                수량 오류
+            </div>
+        </div>
+
+        <hr class="my-4">
+
+        <div class="row">
+            <div class="col">
+                <button class="w-100 btn btn-primary btn-lg" type="submit" th:text="#{button.save}">상품 등록</button>
+            </div>
+            <div class="col">
+                <button class="w-100 btn btn-secondary btn-lg"
+                        onclick="location.href='items.html'"
+                        th:onclick="|location.href='@{/validation/v4/items}'|"
+                        type="button" th:text="#{button.cancel}">취소</button>
+            </div>
+        </div>
+
+    </form>
+
+</div> <!-- /container -->
+</body>
+</html>

springboot_validation/src/main/resources/templates/validation/v4/editForm.html

@@ -0,0 +1,75 @@
+<!DOCTYPE HTML>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="utf-8">
+    <link th:href="@{/css/bootstrap.min.css}"
+          href="../css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        .container {
+            max-width: 560px;
+        }
+        .field-error {
+            border-color: #dc3545;
+            color: #dc3545;
+        }
+    </style>
+</head>
+<body>
+
+<div class="container">
+
+    <div class="py-5 text-center">
+        <h2 th:text="#{page.updateItem}">상품 수정</h2>
+    </div>
+
+    <form action="item.html" th:action th:object="${item}" method="post">
+
+        <div th:if="${#fields.hasGlobalErrors()}">
+            <p class="field-error" th:each="err : ${#fields.globalErrors()}" th:text="${err}">글로벌 오류 메시지</p>
+        </div>
+
+        <div>
+            <label for="id" th:text="#{label.item.id}">상품 ID</label>
+            <input type="text" id="id" th:field="*{id}" class="form-control" readonly>
+        </div>
+        <div>
+            <label for="itemName" th:text="#{label.item.itemName}">상품명</label>
+            <input type="text" id="itemName" th:field="*{itemName}" th:errorclass="field-error" class="form-control">
+            <div class="field-error" th:errors="*{itemName}">
+                상품명 오류
+            </div>
+        </div>
+        <div>
+            <label for="price" th:text="#{label.item.price}">가격</label>
+            <input type="text" id="price" th:field="*{price}" th:errorclass="field-error" class="form-control">
+            <div class="field-error" th:errors="*{price}">
+                가격 오류
+            </div>
+        </div>
+        <div>
+            <label for="quantity" th:text="#{label.item.quantity}">수량</label>
+            <input type="text" id="quantity" th:field="*{quantity}" th:errorclass="field-error" class="form-control">
+            <div class="field-error" th:errors="*{quantity}">
+                수량 오류
+            </div>
+        </div>
+
+        <hr class="my-4">
+
+        <div class="row">
+            <div class="col">
+                <button class="w-100 btn btn-primary btn-lg" type="submit" th:text="#{button.save}">수정</button>
+            </div>
+            <div class="col">
+                <button class="w-100 btn btn-secondary btn-lg"
+                        onclick="location.href='item.html'"
+                        th:onclick="|location.href='@{/validation/v4/items/{itemId}(itemId=${item.id})}'|"
+                        type="button" th:text="#{button.cancel}">취소</button>
+            </div>
+        </div>
+
+    </form>
+
+</div> <!-- /container -->
+</body>
+</html>

springboot_validation/src/main/resources/templates/validation/v4/item.html

@@ -0,0 +1,60 @@
+<!DOCTYPE HTML>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="utf-8">
+    <link th:href="@{/css/bootstrap.min.css}"
+          href="../css/bootstrap.min.css" rel="stylesheet">
+    <style>
+        .container {
+            max-width: 560px;
+        }
+    </style>
+</head>
+<body>
+
+<div class="container">
+
+    <div class="py-5 text-center">
+        <h2 th:text="#{page.item}">상품 상세</h2>
+    </div>
+
+    <!-- 추가 -->
+    <h2 th:if="${param.status}" th:text="'저장 완료'"></h2>
+
+    <div>
+        <label for="itemId" th:text="#{label.item.id}">상품 ID</label>
+        <input type="text" id="itemId" name="itemId" class="form-control" value="1" th:value="${item.id}" readonly>
+    </div>
+    <div>
+        <label for="itemName" th:text="#{label.item.itemName}">상품명</label>
+        <input type="text" id="itemName" name="itemName" class="form-control" value="상품A" th:value="${item.itemName}" readonly>
+    </div>
+    <div>
+        <label for="price" th:text="#{label.item.price}">가격</label>
+        <input type="text" id="price" name="price" class="form-control" value="10000" th:value="${item.price}" readonly>
+    </div>
+    <div>
+        <label for="quantity" th:text="#{label.item.quantity}">수량</label>
+        <input type="text" id="quantity" name="quantity" class="form-control" value="10" th:value="${item.quantity}" readonly>
+    </div>
+
+    <hr class="my-4">
+
+    <div class="row">
+        <div class="col">
+            <button class="w-100 btn btn-primary btn-lg"
+                    onclick="location.href='editForm.html'"
+                    th:onclick="|location.href='@{/validation/v4/items/{itemId}/edit(itemId=${item.id})}'|"
+                    type="button" th:text="#{page.updateItem}">상품 수정</button>
+        </div>
+        <div class="col">
+            <button class="w-100 btn btn-secondary btn-lg"
+                    onclick="location.href='items.html'"
+                    th:onclick="|location.href='@{/validation/v4/items}'|"
+                    type="button" th:text="#{button.cancel}">목록으로</button>
+        </div>
+    </div>
+
+</div> <!-- /container -->
+</body>
+</html>

springboot_validation/src/main/resources/templates/validation/v4/items.html

@@ -0,0 +1,49 @@
+<!DOCTYPE HTML>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+    <meta charset="utf-8">
+    <link th:href="@{/css/bootstrap.min.css}"
+          href="../css/bootstrap.min.css" rel="stylesheet">
+</head>
+<body>
+
+<div class="container" style="max-width: 600px">
+    <div class="py-5 text-center">
+        <h2 th:text="#{page.items}">상품 목록</h2>
+    </div>
+
+    <div class="row">
+        <div class="col">
+            <button class="btn btn-primary float-end"
+                    onclick="location.href='addForm.html'"
+                    th:onclick="|location.href='@{/validation/v4/items/add}'|"
+                    type="button" th:text="#{page.addItem}">상품 등록</button>
+        </div>
+    </div>
+
+    <hr class="my-4">
+    <div>
+        <table class="table">
+            <thead>
+            <tr>
+                <th th:text="#{label.item.id}">ID</th>
+                <th th:text="#{label.item.itemName}">상품명</th>
+                <th th:text="#{label.item.price}">가격</th>
+                <th th:text="#{label.item.quantity}">수량</th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr th:each="item : ${items}">
+                <td><a href="item.html" th:href="@{/validation/v4/items/{itemId}(itemId=${item.id})}" th:text="${item.id}">회원id</a></td>
+                <td><a href="item.html" th:href="@{|/validation/v4/items/${item.id}|}" th:text="${item.itemName}">상품명</a></td>
+                <td th:text="${item.price}">10000</td>
+                <td th:text="${item.quantity}">10</td>
+            </tr>
+            </tbody>
+        </table>
+    </div>
+
+</div> <!-- /container -->
+
+</body>
+</html>