[feat] 피드 조회 시 [내 정보 or 특정 유저 정보] 조회하는 api 개발

src/main/java/konkuk/thip/feed/adapter/in/web/FeedQueryController.java

@@ -5,12 +5,15 @@
 import io.swagger.v3.oas.annotations.tags.Tag;
 import konkuk.thip.common.dto.BaseResponse;
 import konkuk.thip.common.security.annotation.UserId;
+import konkuk.thip.feed.adapter.in.web.response.FeedShowUserInfoResponse;
 import konkuk.thip.feed.adapter.in.web.response.FeedShowMineResponse;
 import konkuk.thip.feed.adapter.in.web.response.FeedShowAllResponse;
 import konkuk.thip.feed.application.port.in.FeedShowAllUseCase;
 import konkuk.thip.feed.application.port.in.FeedShowMineUseCase;
+import konkuk.thip.feed.application.port.in.FeedShowUserInfoUseCase;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -21,6 +24,7 @@ public class FeedQueryController {
 
     private final FeedShowAllUseCase feedShowAllUseCase;
     private final FeedShowMineUseCase feedShowMineUseCase;
+    private final FeedShowUserInfoUseCase feedShowUserInfoUseCase;
 
     @Operation(
             summary = "피드 전체 조회",
@@ -45,4 +49,24 @@ public BaseResponse<FeedShowMineResponse> showMyFeeds(
             @RequestParam(value = "cursor", required = false) final String cursor) {
         return BaseResponse.ok(feedShowMineUseCase.showMyFeeds(userId, cursor));
     }
+
+    @Operation(
+            summary = "내 피드 조회의 상단 화면 구성",
+            description = "사용자의 정보, 사용자의 팔로워 정보, 사용자가 작성한 전체 피드 개수를 조회합니다."
+    )
+    @GetMapping("/feeds/mine/info")
+    public BaseResponse<FeedShowUserInfoResponse> showMyInfoInFeeds(@Parameter(hidden = true) @UserId final Long userId) {
+        return BaseResponse.ok(feedShowUserInfoUseCase.showMyInfoInFeeds(userId));
+    }
+
+    @Operation(
+            summary = "특정 유저 피드 조회의 상단 화면 구성",
+            description = "사용자의 정보, 사용자의 팔로워 정보, 사용자가 작성한 공개 피드 개수를 조회합니다."
+    )
+    @GetMapping("/feeds/users/{userId}/info")
+    public BaseResponse<FeedShowUserInfoResponse> showAnotherUserInfoInFeeds(
+            @Parameter(description = "피드 조회할 유저의 userId 값") @PathVariable final Long userId
+    ) {
+        return BaseResponse.ok(feedShowUserInfoUseCase.showAnotherUserInfoInFeeds(userId));
+    }
 }

src/main/java/konkuk/thip/feed/adapter/in/web/response/FeedShowUserInfoResponse.java

@@ -0,0 +1,16 @@
+package konkuk.thip.feed.adapter.in.web.response;
+
+import lombok.Builder;
+
+import java.util.List;
+
+@Builder
+public record FeedShowUserInfoResponse(
+        String profileImageUrl,
+        String nickname,
+        String aliasName,
+        String aliasColor,
+        int followerCount,
+        int totalFeedCount,
+        List<String> latestFollowerProfileImageUrls
+) { }

src/main/java/konkuk/thip/feed/adapter/out/persistence/FeedQueryPersistenceAdapter.java

@@ -69,8 +69,13 @@ public CursorBasedList<FeedQueryDto> findMyFeedsByCreatedAt(Long userId, Cursor
     }
 
     @Override
-    public int countFeedsByUserId(Long userId) {
+    public int countAllFeedsByUserId(Long userId) {
         // int 로 강제 형변환 해도 괜찮죠??
-        return (int) feedJpaRepository.countFeedsByUserId(userId, StatusType.ACTIVE);
+        return (int) feedJpaRepository.countAllFeedsByUserId(userId, StatusType.ACTIVE);
+    }
+
+    @Override
+    public int countPublicFeedsByUserId(Long userId) {
+        return (int) feedJpaRepository.countPublicFeedsByUserId(userId, StatusType.ACTIVE);
     }
 }

src/main/java/konkuk/thip/feed/adapter/out/persistence/repository/FeedJpaRepository.java

@@ -9,5 +9,8 @@
 public interface FeedJpaRepository extends JpaRepository<FeedJpaEntity, Long>, FeedQueryRepository {
 
     @Query("SELECT COUNT(f) FROM FeedJpaEntity f WHERE f.userJpaEntity.userId = :userId AND f.status = :status")
-    long countFeedsByUserId(@Param("userId") Long userId, @Param("status") StatusType status);
+    long countAllFeedsByUserId(@Param("userId") Long userId, @Param("status") StatusType status);
+
+    @Query("SELECT COUNT(f) FROM FeedJpaEntity f WHERE f.userJpaEntity.userId = :userId AND f.isPublic = TRUE AND f.status = :status")
+    long countPublicFeedsByUserId(@Param("userId") Long userId, @Param("status") StatusType status);
 }

src/main/java/konkuk/thip/feed/adapter/out/persistence/repository/FeedQueryRepositoryImpl.java

@@ -221,7 +221,7 @@ private FeedQueryDto toDto(FeedJpaEntity e, Integer priority) {
                 .feedId(e.getPostId())
                 .creatorId(e.getUserJpaEntity().getUserId())
                 .creatorNickname(e.getUserJpaEntity().getNickname())
-                .creatorProfileImageUrl(e.getUserJpaEntity().getImageUrl())
+                .creatorProfileImageUrl(e.getUserJpaEntity().getAliasForUserJpaEntity().getImageUrl())
                 .alias(e.getUserJpaEntity().getAliasForUserJpaEntity().getValue())
                 .createdAt(e.getCreatedAt())
                 .isbn(e.getBookJpaEntity().getIsbn())

src/main/java/konkuk/thip/feed/application/mapper/FeedQueryMapper.java

@@ -3,11 +3,14 @@
 import konkuk.thip.common.util.DateUtil;
 import konkuk.thip.feed.adapter.in.web.response.FeedShowAllResponse;
 import konkuk.thip.feed.adapter.in.web.response.FeedShowMineResponse;
+import konkuk.thip.feed.adapter.in.web.response.FeedShowUserInfoResponse;
 import konkuk.thip.feed.application.port.out.dto.FeedQueryDto;
+import konkuk.thip.user.domain.User;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
 import org.mapstruct.ReportingPolicy;
 
+import java.util.List;
 import java.util.Set;
 
 @Mapper(
@@ -34,4 +37,13 @@ FeedShowAllResponse.FeedDto toFeedShowAllResponse(
             expression = "java(DateUtil.formatBeforeTime(dto.createdAt()))"
     )
     FeedShowMineResponse.FeedDto toFeedShowMineResponse(FeedQueryDto dto);
+
+    @Mapping(target = "profileImageUrl", source = "feedOwner.alias.imageUrl")
+    @Mapping(target = "nickname", source = "feedOwner.nickname")
+    @Mapping(target = "aliasName", source = "feedOwner.alias.value")
+    @Mapping(target = "aliasColor", source = "feedOwner.alias.color")
+    @Mapping(target = "followerCount", source = "feedOwner.followerCount")
+    @Mapping(target = "totalFeedCount", source = "totalFeedCount")
+    @Mapping(target = "latestFollowerProfileImageUrls", source = "latestFollowerProfileImageUrls")
+    FeedShowUserInfoResponse toFeedShowUserInfoResponse(User feedOwner, int totalFeedCount, List<String> latestFollowerProfileImageUrls);
 }

src/main/java/konkuk/thip/feed/application/port/in/FeedShowUserInfoUseCase.java

@@ -0,0 +1,10 @@
+package konkuk.thip.feed.application.port.in;
+
+import konkuk.thip.feed.adapter.in.web.response.FeedShowUserInfoResponse;
+
+public interface FeedShowUserInfoUseCase {
+
+    FeedShowUserInfoResponse showMyInfoInFeeds(Long userId);
+
+    FeedShowUserInfoResponse showAnotherUserInfoInFeeds(Long anotherUserId);
+}

src/main/java/konkuk/thip/feed/application/port/out/FeedQueryPort.java

@@ -16,5 +16,7 @@ public interface FeedQueryPort {
 
     CursorBasedList<FeedQueryDto> findMyFeedsByCreatedAt(Long userId, Cursor cursor);
 
-    int countFeedsByUserId(Long userId);
+    int countAllFeedsByUserId(Long userId);
+
+    int countPublicFeedsByUserId(Long userId);
 }

src/main/java/konkuk/thip/feed/application/service/FeedShowUserInfoService.java

@@ -0,0 +1,55 @@
+package konkuk.thip.feed.application.service;
+
+import konkuk.thip.feed.adapter.in.web.response.FeedShowUserInfoResponse;
+import konkuk.thip.feed.application.mapper.FeedQueryMapper;
+import konkuk.thip.feed.application.port.in.FeedShowUserInfoUseCase;
+import konkuk.thip.feed.application.port.out.FeedQueryPort;
+import konkuk.thip.user.application.port.out.FollowingQueryPort;
+import konkuk.thip.user.application.port.out.UserCommandPort;
+import konkuk.thip.user.domain.User;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+@RequiredArgsConstructor
+@Service
+public class FeedShowUserInfoService implements FeedShowUserInfoUseCase {
+
+    private static final int FOLLOWER_DISPLAY_LIMIT = 5;
+    private final UserCommandPort userCommandPort;
+    private final FollowingQueryPort followingQueryPort;
+    private final FeedQueryPort feedQueryPort;
+    private final FeedQueryMapper feedQueryMapper;
+
+    @Transactional(readOnly = true)
+    @Override
+    public FeedShowUserInfoResponse showMyInfoInFeeds(Long userId) {
+        // 1. User 찾기
+        User feedOwner = userCommandPort.findById(userId);
+
+        // 2. 해당 유저를 팔로우 하는 유저들을 프로필 이미지 정보 구하기
+        List<String> latestFollowerProfileImageUrls = followingQueryPort.getLatestFollowerImageUrls(userId, FOLLOWER_DISPLAY_LIMIT);
+
+        // 3. 내가 작성한 전체 피드 개수 구하기
+        int allFeedCount = feedQueryPort.countAllFeedsByUserId(userId);
+
+        return feedQueryMapper.toFeedShowUserInfoResponse(feedOwner, allFeedCount, latestFollowerProfileImageUrls);
+    }
+
+    @Transactional(readOnly = true)
+    @Override
+    public FeedShowUserInfoResponse showAnotherUserInfoInFeeds(Long anotherUserId) {
+        // 1. User 찾기
+        User feedOwner = userCommandPort.findById(anotherUserId);
+
+        // 2. 해당 유저를 팔로우 하는 유저들을 프로필 이미지 정보 구하기
+        List<String> latestFollowerProfileImageUrls = followingQueryPort.getLatestFollowerImageUrls(anotherUserId, FOLLOWER_DISPLAY_LIMIT);
+
+        // 3. 유저가 작성한 공개 피드 개수 구하기
+        int publicFeedCount = feedQueryPort.countPublicFeedsByUserId(anotherUserId);
+
+        return feedQueryMapper.toFeedShowUserInfoResponse(feedOwner, publicFeedCount, latestFollowerProfileImageUrls);
+    }
+}

src/main/java/konkuk/thip/record/adapter/out/persistence/repository/RecordQueryRepositoryImpl.java

@@ -203,7 +203,7 @@ private QPostQueryDto selectPostQueryDto() {
                 pageExpr(),
                 user.userId,
                 user.nickname,
-                user.imageUrl,
+                user.aliasForUserJpaEntity.imageUrl,
                 post.content,
                 post.likeCount,
                 post.commentCount,

src/main/java/konkuk/thip/user/adapter/out/jpa/UserJpaEntity.java

@@ -23,9 +23,6 @@ public class UserJpaEntity extends BaseJpaEntity {
     @Column(length = 60, nullable = false)
     private String nickname;
 
-    @Column(name = "image_url", columnDefinition = "TEXT", nullable = false)
-    private String imageUrl;
-
     @Column(name = "oauth2_id", length = 50, nullable = false)
     private String oauth2Id;
 
@@ -43,8 +40,7 @@ public class UserJpaEntity extends BaseJpaEntity {
     public void updateFrom(User user) {
         this.nickname = user.getNickname();
         Assert.notNull(user.getAlias(), "Alias must not be null");
-        this.imageUrl = user.getAlias().getImageUrl();
         this.role = UserRole.from(user.getUserRole());
         this.followerCount = user.getFollowerCount();
     }
-}
+}

src/main/java/konkuk/thip/user/adapter/out/mapper/UserMapper.java

@@ -13,7 +13,6 @@ public class UserMapper {
     public UserJpaEntity toJpaEntity(User user, AliasJpaEntity aliasJpaEntity) {
         return UserJpaEntity.builder()
                 .nickname(user.getNickname())
-                .imageUrl(user.getAlias().getImageUrl())
                 .role(UserRole.from(user.getUserRole()))
                 .oauth2Id(user.getOauth2Id())
                 .followerCount(user.getFollowerCount())

src/main/java/konkuk/thip/user/adapter/out/persistence/FollowingQueryPersistenceAdapter.java

@@ -40,4 +40,9 @@ public CursorBasedList<UserQueryDto> getFollowingByUserId(Long userId, String cu
 
         return CursorBasedList.of(followingDtos, size, followingDto -> followingDto.createdAt().toString());
     }
+
+    @Override
+    public List<String> getLatestFollowerImageUrls(Long userId, int size) {
+        return followingJpaRepository.findLatestFollowerImageUrls(userId, size);
+    }
 }

src/main/java/konkuk/thip/user/adapter/out/persistence/repository/following/FollowingQueryRepository.java

@@ -12,4 +12,6 @@ public interface FollowingQueryRepository {
 
     List<UserQueryDto> findFollowerDtosByUserIdBeforeCreatedAt(Long userId, LocalDateTime cursor, int size);
     List<UserQueryDto> findFollowingDtosByUserIdBeforeCreatedAt(Long userId, LocalDateTime cursor, int size);
+
+    List<String> findLatestFollowerImageUrls(Long userId, int size);
 }

src/main/java/konkuk/thip/user/adapter/out/persistence/repository/following/FollowingQueryRepositoryImpl.java

@@ -89,4 +89,22 @@ private List<UserQueryDto> findFollowDtos(Long userId, LocalDateTime cursor, int
                 .limit(size + 1)
                 .fetch();
     }
+
+    @Override
+    public List<String> findLatestFollowerImageUrls(Long userId, int size) {
+        QFollowingJpaEntity following = QFollowingJpaEntity.followingJpaEntity;
+        QUserJpaEntity follower = QUserJpaEntity.userJpaEntity;     // userId 를 팔로우하는 사람들(= follower)
+        QAliasJpaEntity alias = QAliasJpaEntity.aliasJpaEntity;
+
+        return jpaQueryFactory
+                .select(alias.imageUrl)
+                .from(following)
+                .join(following.userJpaEntity, follower)
+                .join(follower.aliasForUserJpaEntity, alias)
+                .where(following.followingUserJpaEntity.userId.eq(userId)
+                        .and(following.status.eq(StatusType.ACTIVE)))
+                .orderBy(following.createdAt.desc())
+                .limit(size)
+                .fetch();
+    }
 }

src/main/java/konkuk/thip/user/application/port/out/FollowingQueryPort.java

@@ -3,8 +3,12 @@
 import konkuk.thip.common.util.CursorBasedList;
 import konkuk.thip.user.application.port.out.dto.UserQueryDto;
 
+import java.util.List;
+
 public interface FollowingQueryPort {
     CursorBasedList<UserQueryDto> getFollowersByUserId(Long userId, String cursor, int size);
     CursorBasedList<UserQueryDto> getFollowingByUserId(Long userId, String cursor, int size);
+
+    List<String> getLatestFollowerImageUrls(Long userId, int size);
 }
 

src/test/java/konkuk/thip/book/adapter/in/web/BookChangeSavedControllerTest.java

@@ -72,7 +72,6 @@ void setUp() {
         UserJpaEntity user = userJpaRepository.save(UserJpaEntity.builder()
                 .oauth2Id("kakao_432708231")
                 .nickname("User1")
-                .imageUrl("https://avatar1.jpg")
                 .role(UserRole.USER)
                 .aliasForUserJpaEntity(alias)
                 .build());

src/test/java/konkuk/thip/book/adapter/in/web/BookDetailSearchControllerTest.java

@@ -66,7 +66,6 @@ void setup() {
         UserJpaEntity user = userJpaRepository.save(UserJpaEntity.builder()
                 .oauth2Id("kakao_432708231")
                 .nickname("User1")
-                .imageUrl("https://avatar1.jpg")
                 .role(UserRole.USER)
                 .aliasForUserJpaEntity(alias)
                 .build());

src/test/java/konkuk/thip/book/adapter/in/web/BookMostSearchedBooksControllerTest.java

@@ -68,7 +68,6 @@ void setUp() {
         UserJpaEntity user = userJpaRepository.save(UserJpaEntity.builder()
                 .oauth2Id("kakao_432708231")
                 .nickname("User1")
-                .imageUrl("https://avatar1.jpg")
                 .role(UserRole.USER)
                 .aliasForUserJpaEntity(alias)
                 .build());

src/test/java/konkuk/thip/book/adapter/in/web/BookQueryControllerTest.java

@@ -57,7 +57,6 @@ void setUp() {
         UserJpaEntity user = userJpaRepository.save(UserJpaEntity.builder()
                 .oauth2Id("kakao_432708231")
                 .nickname("User1")
-                .imageUrl("https://avatar1.jpg")
                 .role(UserRole.USER)
                 .aliasForUserJpaEntity(alias)
                 .build());

src/test/java/konkuk/thip/common/util/TestEntityFactory.java

@@ -67,7 +67,6 @@ public static CategoryJpaEntity createScienceCategory(AliasJpaEntity alias) {
     public static UserJpaEntity createUser(AliasJpaEntity alias) {
         return UserJpaEntity.builder()
                 .nickname("테스터")
-                .imageUrl("https://test.img")
                 .oauth2Id("kakao_12345678")
                 .aliasForUserJpaEntity(alias)
                 .role(UserRole.USER)
@@ -77,7 +76,6 @@ public static UserJpaEntity createUser(AliasJpaEntity alias) {
     public static UserJpaEntity createUser(AliasJpaEntity alias, String nickname) {
         return UserJpaEntity.builder()
                 .nickname(nickname)
-                .imageUrl("https://test.img")
                 .oauth2Id("kakao_12345678")
                 .aliasForUserJpaEntity(alias)
                 .role(UserRole.USER)
@@ -188,7 +186,7 @@ public static CommentLikeJpaEntity createCommentLike(CommentJpaEntity comment, U
                 .build();
     }
 
-    public static FollowingJpaEntity createFollowing(UserJpaEntity followerUser,UserJpaEntity followingUser) {
+    public static FollowingJpaEntity createFollowing(UserJpaEntity followerUser, UserJpaEntity followingUser) {
         return FollowingJpaEntity.builder()
                 .userJpaEntity(followerUser)
                 .followingUserJpaEntity(followingUser)