Feat: 회원 정보 수정 API 구현

Author: joyewon0705

src/main/java/com/back/domain/user/controller/UserController.java

@@ -1,15 +1,15 @@
 package com.back.domain.user.controller;
 
+import com.back.domain.user.dto.UpdateUserProfileRequest;
 import com.back.domain.user.dto.UserDetailResponse;
 import com.back.domain.user.service.UserService;
 import com.back.global.common.dto.RsData;
 import com.back.global.security.CustomUserDetails;
+import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @RestController
 @RequestMapping("/api/users")
@@ -28,4 +28,18 @@ public ResponseEntity<RsData<UserDetailResponse>> getMyInfo (
                         userDetail
                 ));
     }
+
+    @PatchMapping("/me")
+    public ResponseEntity<RsData<UserDetailResponse>> updateMyProfile(
+            @AuthenticationPrincipal CustomUserDetails user,
+            @Valid @RequestBody UpdateUserProfileRequest request
+    ) {
+        UserDetailResponse updated = userService.updateUserProfile(user.getUserId(), request);
+        return ResponseEntity
+                .ok(RsData.success(
+                        "회원 정보를 수정했습니다.",
+                        updated
+                )
+        );
+    }
 }

src/main/java/com/back/domain/user/dto/UpdateUserProfileRequest.java

@@ -0,0 +1,21 @@
+package com.back.domain.user.dto;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
+
+import java.time.LocalDate;
+
+/**
+ * 사용자 프로필 수정 요청 DTO
+ *
+ * @param nickname          사용자의 별명
+ * @param profileImageUrl   사용자의 프로필 이미지 URL
+ * @param bio               사용자의 자기소개
+ * @param birthDate         사용자의 생년월일
+ */
+public record UpdateUserProfileRequest(
+        @NotBlank @Size(max = 20) String nickname,
+        String profileImageUrl,
+        @Size(max = 255) String bio,
+        LocalDate birthDate
+) {}

src/main/java/com/back/domain/user/dto/UserDetailResponse.java

@@ -5,6 +5,7 @@
 import com.back.domain.user.entity.UserProfile;
 import com.back.domain.user.entity.UserStatus;
 
+import java.time.LocalDate;
 import java.time.LocalDateTime;
 
 /**
@@ -61,7 +62,7 @@ public record ProfileResponse(
             String nickname,
             String profileImageUrl,
             String bio,
-            LocalDateTime birthDate,
+            LocalDate birthDate,
             int point
     ) {
         public static ProfileResponse from(UserProfile profile) {

src/main/java/com/back/domain/user/dto/UserRegisterRequest.java

@@ -2,6 +2,7 @@
 
 import jakarta.validation.constraints.Email;
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
 
 /**
  * 사용자 회원 가입 요청을 나타내는 DTO
@@ -15,5 +16,5 @@ public record UserRegisterRequest(
         @NotBlank String username,
         @NotBlank @Email String email,
         @NotBlank String password,
-        @NotBlank String nickname
+        @NotBlank @Size(max = 20) String nickname
 ) {}

src/main/java/com/back/domain/user/entity/UserProfile.java

@@ -7,7 +7,7 @@
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
-import java.time.LocalDateTime;
+import java.time.LocalDate;
 
 @Entity
 @Getter
@@ -25,7 +25,7 @@ public class UserProfile extends BaseEntity {
 
     private String bio;
 
-    private LocalDateTime birthDate;
+    private LocalDate birthDate;
 
     private int point;
 }

src/main/java/com/back/domain/user/repository/UserProfileRepository.java

@@ -7,4 +7,5 @@
 @Repository
 public interface UserProfileRepository extends JpaRepository<UserProfile, Long> {
     boolean existsByNickname(String nickname);
+    boolean existsByNicknameAndUserIdNot(String nickname, Long userId);
 }

src/main/java/com/back/domain/user/service/UserService.java

@@ -1,8 +1,11 @@
 package com.back.domain.user.service;
 
+import com.back.domain.user.dto.UpdateUserProfileRequest;
 import com.back.domain.user.dto.UserDetailResponse;
 import com.back.domain.user.entity.User;
+import com.back.domain.user.entity.UserProfile;
 import com.back.domain.user.entity.UserStatus;
+import com.back.domain.user.repository.UserProfileRepository;
 import com.back.domain.user.repository.UserRepository;
 import com.back.global.exception.CustomException;
 import com.back.global.exception.ErrorCode;
@@ -15,12 +18,12 @@
 @Transactional
 public class UserService {
     private final UserRepository userRepository;
+    private final UserProfileRepository userProfileRepository;
 
     /**
-     * 내 정보 조회 서비스
-     * 1. 사용자 조회
-     * 2. 상태 검증 (DELETED, SUSPENDED)
-     * 3. UserDetailResponse 변환 및 반환
+     * 사용자 정보 조회 서비스
+     * 1. 사용자 조회 및 상태 검증
+     * 2. UserDetailResponse 변환 및 반환
      */
     public UserDetailResponse getUserInfo(Long userId) {
 
@@ -39,4 +42,41 @@ public UserDetailResponse getUserInfo(Long userId) {
         // UserDetailResponse로 변환하여 반환
         return UserDetailResponse.from(user);
     }
+
+    /**
+     * 사용자 프로필 수정 서비스
+     * 1. 사용자 조회 및 상태 검증
+     * 2. 닉네임 중복 검사
+     * 3. UserProfile 업데이트
+     * 4. UserDetailResponse 변환 및 반환
+     */
+    public UserDetailResponse updateUserProfile(Long userId, UpdateUserProfileRequest request) {
+
+        // userId로 User 조회
+        User user = userRepository.findById(userId)
+                .orElseThrow(() -> new CustomException(ErrorCode.USER_NOT_FOUND));
+
+        // UserStatus가 DELETED, SUSPENDED면 예외 처리
+        if (user.getUserStatus() == UserStatus.DELETED) {
+            throw new CustomException(ErrorCode.USER_DELETED);
+        }
+        if (user.getUserStatus() == UserStatus.SUSPENDED) {
+            throw new CustomException(ErrorCode.USER_SUSPENDED);
+        }
+
+        // 닉네임 중복 검사 (본인 제외)
+        if (userProfileRepository.existsByNicknameAndUserIdNot(request.nickname(), userId)) {
+            throw new CustomException(ErrorCode.NICKNAME_DUPLICATED);
+        }
+
+        // UserProfile 업데이트
+        UserProfile profile = user.getUserProfile();
+        profile.setNickname(request.nickname());
+        profile.setProfileImageUrl(request.profileImageUrl());
+        profile.setBio(request.bio());
+        profile.setBirthDate(request.birthDate());
+
+        // UserDetailResponse로 변환하여 반환
+        return UserDetailResponse.from(user);
+    }
 }