♻️Refactor: 사용자 정보 조회 구현 및 캐시 무효화

imjuyongp · imjuyongp · commit 6c392e75f353 · 2026-02-04T01:40:53.000+09:00
diff --git a/src/main/java/com/be/sportizebe/domain/user/controller/UserController.java b/src/main/java/com/be/sportizebe/domain/user/controller/UserController.java
@@ -5,6 +5,7 @@
 import com.be.sportizebe.domain.user.dto.response.ProfileImageResponse;
 import com.be.sportizebe.domain.user.dto.response.SignUpResponse;
 import com.be.sportizebe.domain.user.dto.response.UpdateProfileResponse;
+import com.be.sportizebe.domain.user.dto.response.UserInfoResponse;
 import com.be.sportizebe.domain.user.service.UserServiceImpl;
 import com.be.sportizebe.global.response.BaseResponse;
 import com.be.sportizebe.global.cache.dto.UserAuthInfo;
@@ -54,4 +55,13 @@ public ResponseEntity<BaseResponse<UpdateProfileResponse>> updateProfile(
         UpdateProfileResponse response = userService.updateProfile(userAuthInfo.getId(), request);
         return ResponseEntity.ok(BaseResponse.success("프로필 수정 성공", response));
     }
+
+    @GetMapping("/me")
+    @Operation(summary = "내 정보 조회", description = "현재 로그인한 사용자의 정보를 조회합니다.")
+    public ResponseEntity<BaseResponse<UserInfoResponse>> getMyInfo(
+        @AuthenticationPrincipal UserAuthInfo userAuthInfo
+    ) {
+        UserInfoResponse response = userService.getUserInfo(userAuthInfo.getId());
+        return ResponseEntity.ok(BaseResponse.success("사용자 정보 조회 성공", response));
+    }
 }
diff --git a/src/main/java/com/be/sportizebe/domain/user/dto/response/UserInfoResponse.java b/src/main/java/com/be/sportizebe/domain/user/dto/response/UserInfoResponse.java
@@ -0,0 +1,64 @@
+package com.be.sportizebe.domain.user.dto.response;
+
+import com.be.sportizebe.domain.user.entity.Gender;
+import com.be.sportizebe.domain.user.entity.SportType;
+import com.be.sportizebe.domain.user.entity.User;
+import com.be.sportizebe.global.cache.dto.UserAuthInfo;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Builder;
+
+import java.util.List;
+
+@Builder
+@Schema(title = "UserInfoResponse DTO", description = "사용자 정보 조회 응답")
+public record UserInfoResponse(
+    @Schema(description = "사용자 ID", example = "1")
+    Long userId,
+
+    @Schema(description = "이메일(아이디)", example = "test@example.com")
+    String username,
+
+    @Schema(description = "닉네임", example = "축구왕")
+    String nickname,
+
+    @Schema(description = "한줄 소개", example = "안녕하세요!")
+    String introduce,
+
+    @Schema(description = "프로필 이미지 URL")
+    String profileImage,
+
+    @Schema(description = "성별", example = "MALE")
+    Gender gender,
+
+    @Schema(description = "전화번호", example = "010-1234-5678")
+    String phoneNumber,
+
+    @Schema(description = "관심 종목")
+    List<SportType> interestType
+) {
+    public static UserInfoResponse from(User user) { // DB 조회
+        return UserInfoResponse.builder()
+            .userId(user.getId())
+            .username(user.getUsername())
+            .nickname(user.getNickname())
+            .introduce(user.getIntroduce())
+            .profileImage(user.getProfileImage())
+            .gender(user.getGender())
+            .phoneNumber(user.getPhoneNumber())
+            .interestType(user.getInterestType())
+            .build();
+    }
+
+    public static UserInfoResponse from(UserAuthInfo userAuthInfo) { // 캐시메모리 조회
+        return UserInfoResponse.builder()
+            .userId(userAuthInfo.getId())
+            .username(userAuthInfo.getUsername())
+            .nickname(userAuthInfo.getNickname())
+            .introduce(userAuthInfo.getIntroduce())
+            .profileImage(userAuthInfo.getProfileImage())
+            .gender(userAuthInfo.getGender())
+            .phoneNumber(userAuthInfo.getPhoneNumber())
+            .interestType(userAuthInfo.getInterestType())
+            .build();
+    }
+}
diff --git a/src/main/java/com/be/sportizebe/domain/user/service/UserService.java b/src/main/java/com/be/sportizebe/domain/user/service/UserService.java
@@ -5,6 +5,7 @@
 import com.be.sportizebe.domain.user.dto.response.ProfileImageResponse;
 import com.be.sportizebe.domain.user.dto.response.SignUpResponse;
 import com.be.sportizebe.domain.user.dto.response.UpdateProfileResponse;
+import com.be.sportizebe.domain.user.dto.response.UserInfoResponse;
 import org.springframework.web.multipart.MultipartFile;
 
 public interface UserService {
@@ -17,4 +18,7 @@ public interface UserService {
 
   // 프로필 수정 (닉네임, 한줄소개)
   UpdateProfileResponse updateProfile(Long userId, UpdateProfileRequest request);
+
+  // 사용자 정보 조회
+  UserInfoResponse getUserInfo(Long userId);
 }
diff --git a/src/main/java/com/be/sportizebe/domain/user/service/UserServiceImpl.java b/src/main/java/com/be/sportizebe/domain/user/service/UserServiceImpl.java
@@ -5,6 +5,7 @@
 import com.be.sportizebe.domain.user.dto.response.ProfileImageResponse;
 import com.be.sportizebe.domain.user.dto.response.SignUpResponse;
 import com.be.sportizebe.domain.user.dto.response.UpdateProfileResponse;
+import com.be.sportizebe.domain.user.dto.response.UserInfoResponse;
 import com.be.sportizebe.domain.user.entity.Role;
 import com.be.sportizebe.domain.user.entity.User;
 import com.be.sportizebe.domain.user.exception.UserErrorCode;
@@ -78,6 +79,9 @@ public ProfileImageResponse uploadProfileImage(Long userId, MultipartFile file)
         // 사용자 프로필 이미지 URL 업데이트
         user.updateProfileImage(profileImageUrl);
 
+        // 프로필 이미지가 캐시에 포함되어 있으므로 캐시 무효화
+        userCacheService.evictUserAuthInfo(userId);
+
         log.info("사용자 프로필 이미지 업로드 완료: userId={}, url={}", userId, profileImageUrl);
 
         return ProfileImageResponse.from(profileImageUrl);
@@ -104,4 +108,15 @@ public UpdateProfileResponse updateProfile(Long userId, UpdateProfileRequest req
 
         return UpdateProfileResponse.from(user);
     }
+
+    @Override
+    public UserInfoResponse getUserInfo(Long userId) {
+        // 캐시에서 사용자 정보 조회 (캐시 미스 시 DB 조회 후 캐싱)
+        var userAuthInfo = userCacheService.findUserAuthInfoById(userId);
+        if (userAuthInfo == null) {
+            throw new CustomException(UserErrorCode.USER_NOT_FOUND);
+        }
+
+        return UserInfoResponse.from(userAuthInfo);
+    }
 }
diff --git a/src/main/java/com/be/sportizebe/global/cache/dto/UserAuthInfo.java b/src/main/java/com/be/sportizebe/global/cache/dto/UserAuthInfo.java
@@ -1,32 +1,48 @@
 package com.be.sportizebe.global.cache.dto;
 
+import com.be.sportizebe.domain.user.entity.Gender;
 import com.be.sportizebe.domain.user.entity.Role;
+import com.be.sportizebe.domain.user.entity.SportType;
 import com.be.sportizebe.domain.user.entity.User;
 import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 import java.io.Serializable;
+import java.util.List;
 
 /**
  * JWT 인증 필터에서 사용할 캐시용 사용자 정보 DTO
  * User 엔티티의 연관관계(posts 등)로 인한 직렬화 문제를 방지
+ * 민감정보(password, refreshToken) 제외
  */
 @Getter
+@Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class UserAuthInfo implements Serializable { // Serializable : 직렬화 가능하다라는 마커 표시
+public class UserAuthInfo implements Serializable {
     private Long id;
     private String username;
     private String nickname;
     private Role role;
+    private String profileImage;
+    private String introduce;
+    private Gender gender;
+    private String phoneNumber;
+    private List<SportType> interestType;
 
     public static UserAuthInfo from(User user) {
-        return new UserAuthInfo(
-                user.getId(),
-                user.getUsername(),
-                user.getNickname(),
-                user.getRole()
-        );
+        return UserAuthInfo.builder()
+                .id(user.getId())
+                .username(user.getUsername())
+                .nickname(user.getNickname())
+                .role(user.getRole())
+                .profileImage(user.getProfileImage())
+                .introduce(user.getIntroduce())
+                .gender(user.getGender())
+                .phoneNumber(user.getPhoneNumber())
+                .interestType(user.getInterestType())
+                .build();
     }
 }
