충남대 BE_송민주 2주차 과제 (2단계)

README.md

@@ -6,6 +6,12 @@
 
 ## 1단계 요구사항 - 유효성 검사 및 예외 처리
 - 상품을 추가하거나 수정할 때
-- []  공백을 포함하여 최대 15자까지 입력하였는지 유효성을 검증한다.
-- []  가능한 특수문자(( ), [ ], +, -, &, /, _)를 사용하였는지 검증한다.
+- [x]  공백을 포함하여 최대 15자까지 입력하였는지 유효성을 검증한다.
+- [x]  가능한 특수문자(( ), [ ], +, -, &, /, _)를 사용하였는지 검증한다.
+- [x]  "카카오"가 포함된 문구는 담당 MD와 협의한 경우에만 사용할 수 있다. (이를 클라이언트에게 적절히 알리기
 
+
+## 2단계 요구사항 - 회원 가입
+- [x]  회원은 이메일과 비밀번호를 입력하여 가입한다.
+- [x]  토큰을 받으려면 이메일과 비밀번호를 보내야 하며, 가입한 이메일과 비밀번호가 일치하면 토큰이 발급된다.
+- [x]  토큰을 생성하는 방법에는 여러 가지가 있다. 방법 중 하나를 선택한다.

build.gradle

@@ -18,14 +18,17 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.springframework.boot:spring-boot-starter-jdbc'
-    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'jakarta.persistence:jakarta.persistence-api:3.1.0'
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
+    implementation 'io.jsonwebtoken:jjwt-api:0.11.5'
+    runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.11.5'
+    runtimeOnly 'io.jsonwebtoken:jjwt-jackson:0.11.5'
+    runtimeOnly 'org.springframework.boot:spring-boot-devtools'
     runtimeOnly 'com.h2database:h2'
     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/config/DatabaseInitializer.java

@@ -25,5 +25,13 @@ public void initialize() {
         System.out.println("Executing SQL: " + sql);
         jdbcTemplate.execute(sql);
         System.out.println("Table kakaoProduct created successfully");
+
+        String sql2 = "CREATE TABLE IF NOT EXISTS members (" +
+                "id BIGINT AUTO_INCREMENT PRIMARY KEY, " +
+                "email VARCHAR(255) NOT NULL, " +
+                "password VARCHAR(255) NOT NULL)";
+        System.out.println("Executing SQL: " + sql2);
+        jdbcTemplate.execute(sql2);
+        System.out.println("Table members created successfully");
     }
 }

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

@@ -0,0 +1,31 @@
+package gift.controller;
+
+import gift.domain.Member;
+import gift.service.MemberService;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/members")
+public class MemberController {
+    private final MemberService memberService;
+
+    public MemberController(MemberService memberService) {
+        this.memberService = memberService;
+    }
+
+    @PostMapping("/register")
+    public ResponseEntity<String> register(@RequestBody Member member) {
+        memberService.register(member);
+        return ResponseEntity.ok("User registered successfully");
+    }
+
+    @PostMapping("/login")
+    public ResponseEntity<String> login(@RequestBody Member member) {
+        String token = memberService.login(member.getEmail(), member.getPassword());
+        return ResponseEntity.ok(token);
+    }
+}

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

@@ -30,10 +30,15 @@ public String newProductForm(Model model) {
     }
 
     @PostMapping
-    public String createProduct(@Valid  @ModelAttribute Product product, BindingResult bindingResult) {
+    public String createProduct(@Valid  @ModelAttribute Product product, BindingResult bindingResult, Model model) {
         if (bindingResult.hasErrors()) {
             return "productForm";
         }
+        // "카카오" 문구 포함 여부 확인하는 로직 추가
+        if (product.getName().contains("카카오")) {
+            model.addAttribute("errorMessage", "담당 MD와 협의된 경우에만 '카카오'를 포함할 수 있습니다.");
+            return "productForm";
+        }
         productRepository.save(product);
         return "redirect:/api/products";
     }
@@ -46,10 +51,15 @@ public String editProductForm(@PathVariable Long id, Model model) {
     }
 
     @PostMapping("/edit/{id}")
-    public String updateProduct(@PathVariable Long id, @Valid @ModelAttribute Product updatedProduct, BindingResult bindingResult) {
+    public String updateProduct(@PathVariable Long id, @Valid @ModelAttribute Product updatedProduct, BindingResult bindingResult, Model model) {
         if (bindingResult.hasErrors()) {
             return "productForm";
         }
+        // "카카오" 문구 포함 여부 확인
+        if (updatedProduct.getName().contains("카카오")) {
+            model.addAttribute("errorMessage", "담당 MD와 협의된 경우에만 '카카오'를 포함할 수 있습니다.");
+            return "productForm";
+        }
         updatedProduct.setId(id);
         productRepository.update(updatedProduct);
         return "redirect:/api/products";

src/main/java/gift/domain/Member.java

@@ -0,0 +1,39 @@
+package gift.domain;
+
+public class Member {
+    private Long id;
+    private String email;
+    private String password;
+
+    public Member() {}
+
+    public Member(String email, String password) {
+        this.email = email;
+        this.password = password;
+    }
+
+    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;
+    }
+}
+

src/main/java/gift/domain/Product.java

@@ -9,7 +9,7 @@ public class Product {
 
     @NotBlank(message = "Name cannot be blank")
     @Size(max = 15, message = "Name cannot be longer than 15 characters")
-    @Pattern(regexp = "^[\\w\\s\\(\\)\\[\\]+\\-&/_]*$", message = "Name contains invalid characters") // 정규표현식을 통한 특수 문자 제어
+    @Pattern(regexp = "^[ㄱ-ㅎ가-힣a-zA-Z0-9\\s\\(\\)\\[\\]+\\-&/_]*$", message = "이름에 유효하지 않은 문자가 포함되어 있습니다")
     private String name;
     private int price;
     private String imageUrl;

src/main/java/gift/repository/MemberRepository.java

@@ -0,0 +1,48 @@
+package gift.repository;
+
+import gift.domain.Member;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+import org.springframework.stereotype.Repository;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Optional;
+
+@Repository
+public class MemberRepository {
+    private final JdbcTemplate jdbcTemplate;
+
+    public MemberRepository(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    public void save(Member member) {
+        String sql = "INSERT INTO members (email, password) VALUES (?, ?)";
+        jdbcTemplate.update(sql, member.getEmail(), member.getPassword());
+    }
+
+    public Optional<Member> findByEmail(String email) {
+        String sql = "SELECT * FROM members WHERE email = ?";
+        try {
+            Member member = jdbcTemplate.queryForObject(sql, new Object[]{email}, new MemberRowMapper());
+            return Optional.ofNullable(member);
+        } catch (Exception e) {
+            return Optional.empty();
+        }
+    }
+
+    private static class MemberRowMapper implements RowMapper<Member> {
+        @Override
+        public Member mapRow(ResultSet rs, int rowNum) throws SQLException {
+            Member member = new Member();
+            member.setId(rs.getLong("id"));
+            member.setEmail(rs.getString("email"));
+            member.setPassword(rs.getString("password"));
+            return member;
+        }
+    }
+}
+
+
+

src/main/java/gift/service/MemberService.java

@@ -0,0 +1,45 @@
+package gift.service;
+
+import gift.domain.Member;
+import gift.repository.MemberRepository;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.SignatureAlgorithm;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.Optional;
+
+@Service
+public class MemberService {
+    private final MemberRepository memberRepository;
+    @Value("${jwt.secret}")
+    private String secretKey;
+
+    public MemberService(MemberRepository memberRepository) {
+        this.memberRepository = memberRepository;
+    }
+
+    public void register(Member member) {
+        memberRepository.save(member);
+    }
+
+    public String login(String email, String password) {
+        Optional<Member> member = memberRepository.findByEmail(email);
+        if (member.isPresent() && member.get().getPassword().equals(password)) {
+            return generateToken(member.get());
+        } else {
+            throw new RuntimeException("Invalid email or password");
+        }
+    }
+
+    private String generateToken(Member member) {
+        return Jwts.builder()
+                .setSubject(member.getId().toString())
+                .claim("email", member.getEmail())
+                .setIssuedAt(new Date())
+                .setExpiration(new Date(System.currentTimeMillis() + 3600000)) // 1 hour
+                .signWith(SignatureAlgorithm.HS256, secretKey.getBytes())
+                .compact();
+    }
+}

src/main/resources/application.properties

@@ -1 +1,7 @@
 spring.application.name=spring-gift
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=
+spring.h2.console.enabled=true
+jwt.secret=Yn2kjibddFAWtnPJ2AFlL8WXmohJMCvigQggaEypa5E=

src/main/resources/templates/productForm.html

@@ -22,6 +22,8 @@ <h1>Product Form</h1>
             <input type="url" class="form-control" id="imageUrl" th:field="*{imageUrl}" required>
             <div th:if="${#fields.hasErrors('imageUrl')}" class="alert alert-danger" th:errors="*{imageUrl}">Image URL Error</div>
         </div>
+        <!-- 에러 메시지 표시 -->
+        <div th:if="${errorMessage != null}" class="alert alert-danger" th:text="${errorMessage}">Error Message</div>
         <button type="submit" class="btn btn-primary">Submit</button>
         <a href="/api/products" class="btn btn-secondary">Cancel</a>
     </form>