부산대 BE_문성민 2주차 과제 (2단계)

README.md

@@ -1 +1,56 @@
-# spring-gift-wishlist
+# spring-gift-wishlist
+# Step 0
+* 상품 관리 코드를 옮겨 온다. 코드를 옮기는 방법에는 디렉터리의 모든 파일을 직접 복사하여 붙여 넣는 것부터 필요한 일부 파일만 이동하는 것, Git을 사용하는 것까지 여러 가지 방법이 있다. 코드 이동 시 반드시 리소스 파일, 프로퍼티 파일, 테스트 코드 등을 함께 이동한다.
+***
+# Step 1유효성 검사 및 예외처리
+- 상품을 추가하거나 수정하는 경우, 클라이언트로부터 잘못된 값이 전달될 수 있다. 
+- 잘못된 값이 전달되면 클라이언트가 어떤 부분이 왜 잘못되었는지 인지할 수 있도록 응답을 제공한다.
+## 예외 조건
+* 상품 이름은 공백을 포함하여 최대 15자까지 입력할 수 있다.
+* 특수 문자
+  * 가능: ( ), [ ], +, -, &, /, _
+  * 그 외 특수 문자 사용 불가
+* "카카오"가 포함된 문구는 담당 MD와 협의한 경우에만 사용할 수 있다.
+***
+# Step 2 인증
+* 사용자가 회원 가입, 로그인, 추후 회원별 기능을 이용할 수 있도록 구현한다.
+  * 회원은 이메일과 비밀번호를 입력하여 가입한다.
+  * 토큰을 받으려면 이메일과 비밀번호를 보내야 하며, 가입한 이메일과 비밀번호가 일치하면 토큰이 발급된다.
+  * 토큰을 생성하는 방법에는 여러 가지가 있다. 방법 중 하나를 선택한다.
+  * (선택) 회원을 조회, 추가, 수정, 삭제할 수 있는 관리자 화면을 구현한다.
+  * 
+* 아래 예시와 같이 HTTP 메시지를 주고받도록 구현한다.
+### Reaquest
+POST /login/token HTTP/1.1 \
+content-type: application/json\
+host: localhost:8080
+
+{\
+"password": "password",\
+"email": "admin@email.com"\
+}
+### Response
+HTTP/1.1 200\
+Content-Type: application/json
+
+{\
+" token": ""\
+}
+
+### 로그인
+POST /members/login HTTP/1.1
+content-type: application/json
+host: localhost:8080
+
+{\
+"email": "admin@email.com",
+"password": "password"\
+}
+
+### Response
+HTTP/1.1 200
+Content-Type: application/json
+
+{\
+"token": ""\
+}

build.gradle

@@ -22,8 +22,12 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     runtimeOnly 'com.h2database:h2'
+    compileOnly 'io.jsonwebtoken:jjwt-api:0.12.6'
+    runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.12.6'
+    runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.12.6'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
 }
 
 tasks.named('test') {

src/main/java/gift/controller/MemberController.java

@@ -0,0 +1,48 @@
+package gift.controller;
+
+
+import gift.model.Member;
+import gift.service.MemberService;
+import gift.util.JwtUtil;
+import java.util.Map;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping("/members")
+public class MemberController {
+    private final MemberService memberService;
+    private final JwtUtil jwtUtil;
+
+    public MemberController(MemberService memberService) {
+        this.memberService = memberService;
+        this.jwtUtil = new JwtUtil();
+    }
+
+    @PostMapping("/register")
+    public ResponseEntity<?> register(@RequestBody Member member) {
+        if (memberService.existsByEmail(member.getEmail())) {
+            return ResponseEntity.status(HttpStatus.CONFLICT).body("Email already exists");
+        }
+        Member registeredMember = memberService.registerMember(member);
+        String token = jwtUtil.generateToken(registeredMember.getId(), registeredMember.getName(),
+            registeredMember.getRole());
+        return ResponseEntity.ok(Map.of("token", token));
+    }
+
+    @PostMapping("/login")
+    public ResponseEntity<?> login(@RequestBody Member member) {
+        Member authenticatedMember = memberService.authenticate(member.getEmail(), member.getPassword());
+        if (authenticatedMember == null) {
+            return ResponseEntity.status(HttpStatus.UNAUTHORIZED).body("Invalid email or password");
+        }
+        String token = jwtUtil.generateToken(authenticatedMember.getId(),
+            authenticatedMember.getName(), authenticatedMember.getRole());
+        return ResponseEntity.ok(Map.of("token", token));
+    }
+
+}

src/main/java/gift/controller/ProductController.java

@@ -0,0 +1,89 @@
+package gift.controller;
+
+import gift.exception.InvalidProductException;
+import gift.exception.ProductNotFoundException;
+import gift.model.Product;
+import gift.service.ProductService;
+import jakarta.validation.Valid;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+
+@Controller
+@RequestMapping("/products")
+public class ProductController {
+    private final ProductService productService;
+
+    public ProductController( ProductService productService) {
+        this.productService = productService;
+    }
+
+    @GetMapping
+    public String getProducts(Model model) {
+        model.addAttribute("products", productService.getAllProducts());
+        model.addAttribute("product", new Product());
+        return "product-list";
+    }
+
+    @PostMapping
+    public String addProduct(@ModelAttribute @Valid Product product, RedirectAttributes redirectAttributes) {
+        try {
+            productService.addProduct(product);
+        } catch (InvalidProductException e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Invalid product: " + e.getMessage());
+        }
+
+        return "redirect:/products";
+    }
+
+    @PostMapping("/{id}")
+    public String updateProduct(@Valid @PathVariable Long id, @ModelAttribute Product product, RedirectAttributes redirectAttributes) {
+        try {
+            productService.updateProduct(id, product);
+        } catch (InvalidProductException e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Invalid product: " + e.getMessage());
+        } catch (ProductNotFoundException e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Product not found: " + e.getMessage());
+        } catch (Exception e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Error updating product: " + e.getMessage());
+        }
+        return "redirect:/products";
+    }
+
+    @PostMapping("/delete/{id}")
+    public String deleteProduct(@PathVariable Long id, RedirectAttributes redirectAttributes) {
+        try {
+            productService.deleteProduct(id);
+        } catch (ProductNotFoundException e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Product not found: " + e.getMessage());
+        } catch (Exception e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Error deleting product: " + e.getMessage());
+        }
+        return "redirect:/products";
+    }
+
+    @GetMapping("/view/{id}")
+    public String getProductDetails(@PathVariable("id") Long id, Model model, RedirectAttributes redirectAttributes) {
+        try {
+            Product product = productService.getProductById(id);
+            model.addAttribute("product", product);
+        } catch (ProductNotFoundException e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Product not found: " + e.getMessage());
+        } catch (Exception e) {
+            redirectAttributes.addFlashAttribute("errorMessage", "Product not found" );
+            return "redirect:/products";
+        }
+        return "product-detail";
+    }
+
+    @GetMapping("/{id}")
+    @ResponseBody
+    public Product getProductById(@PathVariable("id") Long id) {
+        try {
+            return productService.getProductById(id);
+        } catch (Exception e) {
+            throw new IllegalArgumentException("Product not found: " + e.getMessage());
+        }
+    }
+}

src/main/java/gift/exception/ForbiddenException.java

@@ -0,0 +1,11 @@
+package gift.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.FORBIDDEN)
+public class ForbiddenException extends RuntimeException {
+    public ForbiddenException(String message) {
+        super(message);
+    }
+}

src/main/java/gift/exception/GlobalExceptionHandler.java

@@ -0,0 +1,20 @@
+package gift.exception;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+@ControllerAdvice
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(Exception.class)
+    public String handleException(Exception e, RedirectAttributes redirectAttributes) {
+        redirectAttributes.addFlashAttribute("errorMessage", "Error: " + e.getMessage());
+        return "redirect:/products";
+    }
+
+    @ExceptionHandler(ProductNotFoundException.class)
+    public String handleProductNotFoundException(ProductNotFoundException e, RedirectAttributes redirectAttributes) {
+        redirectAttributes.addFlashAttribute("errorMessage", "Product not found: " + e.getMessage());
+        return "redirect:/products";
+    }
+}

src/main/java/gift/exception/InvalidProductException.java

@@ -0,0 +1,7 @@
+package gift.exception;
+
+public class InvalidProductException extends RuntimeException {
+    public InvalidProductException(String message) {
+        super(message);
+    }
+}

src/main/java/gift/exception/ProductNotFoundException.java

@@ -0,0 +1,6 @@
+package gift.exception;
+public class ProductNotFoundException extends RuntimeException {
+    public ProductNotFoundException(String message) {
+        super(message);
+    }
+}

src/main/java/gift/exception/UnauthorizedException.java

@@ -0,0 +1,13 @@
+package gift.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.UNAUTHORIZED)
+public class UnauthorizedException extends RuntimeException {
+    public UnauthorizedException(String message) {
+        super(message);
+    }
+}
+
+

src/main/java/gift/model/Member.java

@@ -0,0 +1,59 @@
+package gift.model;
+
+public class Member {
+    private long id;
+    private String email;
+    private String password;
+    private String name;
+    private String role;
+
+    public Member() {
+    }
+
+    public Member(long id, String email, String password, String name, String role) {
+        this.id = id;
+        this.email = email;
+        this.password = password;
+        this.name = name;
+        this.role = role;
+    }
+
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+    public String getPassword() {
+        return password;
+    }
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getRole() {
+        return role;
+    }
+
+    public void setRole(String role) {
+        this.role = role;
+    }
+}

src/main/java/gift/model/Product.java

@@ -0,0 +1,55 @@
+package gift.model;
+
+public class Product {
+    private Long id;
+    private String name;
+    private int price;
+    private String imageUrl;
+
+    // 기본 생성자
+    public Product() {
+    }
+
+    // 매개변수가 있는 생성자
+    public Product(Long id, String name, int price, String imageUrl) {
+        this.id = id;
+        this.name = name;
+        this.price = price;
+        this.imageUrl = imageUrl;
+    }
+
+    // Getter와 Setter 메서드
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getPrice() {
+        return price;
+    }
+
+    public void setPrice(int price) {
+        this.price = price;
+    }
+
+    public String getImageUrl() {
+        return imageUrl;
+    }
+
+    public void setImageUrl(String imageUrl) {
+        this.imageUrl = imageUrl;
+    }
+
+
+}