refactor: 추천 계정 쇼로그or블로그 하나라도 작성한 사용자만 보이게

src/main/java/com/back/domain/shorlog/shorlog/repository/ShorlogRepository.java

@@ -121,6 +121,18 @@ WHERE s.user_id IN (:userIds)
         """, nativeQuery = true)
     List<Object[]> findTopShorlogIdByUserIdsOrderByPopularity(@Param("userIds") List<Long> userIds);
 
+    // 쇼로그 또는 블로그 중 하나라도 작성한 유저 id
+    @Query(value = """
+    SELECT DISTINCT user_id
+    FROM (
+        SELECT s.user_id FROM shorlog s
+        UNION
+        SELECT b.user_id FROM blogs b
+    ) t
+    """, nativeQuery = true)
+    List<Long> findDistinctUserIdsWithAnyPost();
+
+
     @Query("""
     select distinct s from Shorlog s
     left join fetch s.user u

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

@@ -167,6 +167,11 @@ public List<CreatorListResponseDto> getCreators(Long userId) {
     public List<FullCreatorListResponseDto> getCreatorsFull(Long viewerIdOrNull) {
 
         List<User> allUsers = userRepository.findAll();
+        Set<Long> creatorIds = new HashSet<>(shorlogRepository.findDistinctUserIdsWithAnyPost());
+        allUsers = allUsers.stream()
+                .filter(user -> creatorIds.contains(user.getId()))
+                .toList();
+
         List<Long> allUserIds = allUsers.stream().map(User::getId).toList();
 
         // 로그인 여부 분기