Merge pull request #244 from OutDecision/issue/74

[UPDATE] 추천게시글 비로그인시 랜덤
OutDecision · May 28, 2024 · 3cc4d08 · 3cc4d08
2 parents 91938b1 + 6a01f02
commit 3cc4d08
Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/src/main/java/KGUcapstone/OutDecision/domain/main/service/MainServiceReImpl.java b/src/main/java/KGUcapstone/OutDecision/domain/main/service/MainServiceReImpl.java
@@ -14,6 +14,8 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -30,13 +32,15 @@ public class MainServiceReImpl implements MainServiceRe{
     @Override
     public PostListReDTO getMainRe() {
 
-        Pageable pageable = PageRequest.of(0, 6, Sort.by(Sort.Direction.DESC, "createdAt"));
+        Pageable pageable = PageRequest.of(0, 5, Sort.by(Sort.Direction.DESC, "createdAt"));
 
         Long memberId = findMemberService.findLoginMemberId();
         //추천 게시물 리스트
         List<PostDTO> recommendPostDTOList;
         if(memberId==0) {
-            recommendPostDTOList=mapToDTO(postRepository.findAll(pageable).getContent());
+            List<Post> posts = new ArrayList<>(postRepository.findAll(pageable).getContent()); // 수정 가능한 리스트로 변환
+            Collections.shuffle(posts); // 리스트를 랜덤하게 섞음
+            recommendPostDTOList = mapToDTO(posts);
         }
         else{
             List<Post> recommendPosts = postsService.recommendPost(memberId);

diff --git a/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostsServiceImpl.java b/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostsServiceImpl.java
@@ -165,7 +165,9 @@ public List<Post> recommendPost(Long memberId) {
         if (viewList.isEmpty()) {
             // 사용자의 조회 기록이 없는 경우, 모든 게시글을 반환
             Pageable pageable = PageRequest.of(0, 5); // 페이지와 사이즈 조정
-            return postRepository.findAll(pageable).getContent();
+            List<Post> posts = new ArrayList<>(postRepository.findAll(pageable).getContent()); // 수정 가능한 리스트로 변환
+            Collections.shuffle(posts); // 리스트를 랜덤하게 섞음
+            return posts;
         }
 
         // UserBasedCF를 사용하여 추천 시스템 실행