Refactor: 팔로워 목록 로직 수정, query 없는 경우 추가

src/main/java/EatPic/spring/domain/card/controller/SearchController.java

@@ -92,13 +92,14 @@ public ApiResponse<SearchResponseDTO.GetCardListResponseDto> getCardsByHashtag(
         return ApiResponse.onSuccess(result);
     }
 
-    @Operation(summary = "해당 유저 팔로우 목록 조회", description = "팔로우 - 해시태그 검색 api")
+    @Operation(summary = "해당 유저 팔로잉,팔로워 검색", description = "FOLLOWING은 유저(userId)가 팔로우 중인 목록을, FOLLOWED는 유저를 팔로우하는 목록을 반환합니다." +
+            "<br> query가 null일 경우 임의의 팔로잉/팔로워 목록을 반환합니다")
     @GetMapping("/followList")
     public ApiResponse<SearchResponseDTO.GetAccountListResponseDtoWithFollow> searchFollowList(
             HttpServletRequest request,
             @RequestParam(value = "follow status")FollowStatus status,
             @RequestParam(value = "userId")Long userId,
-            @RequestParam(value = "query") String query,
+            @RequestParam(value = "query", required = false) String query,
             @RequestParam(value = "limit", required = false, defaultValue = "10") int limit,
             @RequestParam(value = "cursor", required = false) Long cursor
     ) {

src/main/java/EatPic/spring/domain/card/service/SearchServiceImpl.java

@@ -216,7 +216,7 @@ public SearchResponseDTO.GetAccountListResponseDtoWithFollow getFollowList(HttpS
         Slice<User> users = new SliceImpl<>(Collections.emptyList(), pageable, false);
         switch(status){
             case FOLLOWED -> { // 해당 유저를 팔로우한 사람 목록
-                users = userRepository.searchAccountNotInFollow(query, cursor, pageable, userId);
+                users = userRepository.searchAccountInFollower(query, cursor, pageable, userId);
             }
             case FOLLOWING -> { // 해당 유저가 팔로우한 사람 목록
                 users = userRepository.searchAccountInFollow(query, cursor, pageable, userId);
@@ -234,12 +234,10 @@ public SearchResponseDTO.GetAccountListResponseDtoWithFollow getFollowList(HttpS
         // 내가 팔로우한 유저 목록
         Set<Long> alreadyFollowedIdSet = new HashSet<>(userFollowRepository.findFollowingUserIds(me.getId()));
 
-
-
         List<SearchResponseDTO.GetAccountResponseDtoWithFollow> result = users.getContent().stream()
                 .map(user -> UserConverter.toAccountDtoWithFollow(
                         user,
-                        alreadyFollowedIdSet.contains(user.getId()))
+                        alreadyFollowedIdSet.contains(user.getId())) // 내 기준 팔로우 여부 표시
                 ).toList();
 
 

src/main/java/EatPic/spring/domain/user/repository/UserRepository.java

@@ -39,15 +39,32 @@ Slice<User> searchAccountInAll(@Param("query") String query,
     JOIN UserFollow uf ON u.id = uf.targetUser.id
     WHERE uf.user.id = :loginUserId
       AND (:cursor IS NULL OR u.id > :cursor)
-      AND (LOWER(u.nameId) LIKE LOWER(CONCAT(:query, '%'))
-           OR LOWER(u.nickname) LIKE LOWER(CONCAT(:query, '%')))
+      AND (:query IS NULL OR 
+        (LOWER(u.nameId) LIKE LOWER(CONCAT(:query, '%'))
+        OR LOWER(u.nickname) LIKE LOWER(CONCAT(:query, '%'))))
     ORDER BY u.id ASC
 """)
     Slice<User> searchAccountInFollow(@Param("query") String query,
                                       @Param("cursor") Long cursor,
                                       Pageable pageable,
                                       @Param("loginUserId") Long userId);
 
+    @Query("""
+    SELECT u
+    FROM User u
+    JOIN UserFollow uf ON u.id = uf.user.id
+    WHERE uf.targetUser.id = :loginUserId
+      AND (:cursor IS NULL OR u.id > :cursor)
+      AND (:query IS NULL OR
+       (LOWER(u.nameId) LIKE LOWER(CONCAT(:query, '%'))
+       OR LOWER(u.nickname) LIKE LOWER(CONCAT(:query, '%'))))
+    ORDER BY u.id ASC
+""")
+    Slice<User> searchAccountInFollower(@Param("query") String query,
+                                      @Param("cursor") Long cursor,
+                                      Pageable pageable,
+                                      @Param("loginUserId") Long userId);
+
 
 //    @Query("""
 //    SELECT u FROM User u
@@ -74,19 +91,5 @@ Slice<User> searchAccountInFollow(@Param("query") String query,
 //                                      @Param("loginUserId") Long userId);
 
 
-    @Query("""
-    SELECT u
-    FROM User u
-    WHERE u.id NOT IN (
-        SELECT uf.targetUser.id
-        FROM UserFollow uf
-        WHERE uf.user.id = :loginUserId
-    )
-    AND (:cursor IS NULL OR u.id > :cursor)
-    AND u.nickname LIKE %:query%
-    ORDER BY u.id ASC
-    """)
-    Slice<User> searchAccountNotInFollow(@Param("query") String query,
-            @Param("cursor") Long cursor, Pageable pageable, @Param("loginUserId") Long userId);
 
 }