Feat : 좋아요 상태 추가 (#344)

Author: tlswltjq

back/src/main/java/com/back/domain/news/like/service/NewsLikeService.java

@@ -33,4 +33,10 @@ public long getLikeCount(Long newsId) {
                 .orElseThrow(() -> new ServiceException("404", "해당 뉴스를 찾을 수 없습니다."));
         return newsLikeRepository.countByNews(news);
     }
+
+    public boolean hasUserLikedNews(Member member, Long newsId) {
+        News news = newsRepository.findById(newsId)
+                .orElseThrow(() -> new ServiceException("404", "해당 뉴스를 찾을 수 없습니다."));
+        return newsLikeRepository.findByMemberAndNews(member, news).isPresent();
+    }
 }

back/src/main/java/com/back/domain/news/news/controller/NewsController.java

@@ -43,10 +43,19 @@ public RsData<NewsCreateResponse> createNews(@RequestBody NewsCreateRequest requ
 
     @GetMapping("{newsId}")
     @Operation(summary = "뉴스 단건 조회", description = "특정 ID의 뉴스를 읽어옵니다.")
-    public RsData<NewsGetResponse> getNews(@PathVariable("newsId") Long newsId) {
+    public RsData<NewsGetWithLikeResponse> getNews(@PathVariable("newsId") Long newsId) {
+        Member member = rq.getActorFromDb().get();
+        if (member == null) {
+            return new RsData<>("401", "로그인 후 이용해주세요.", null);
+        }
+        if (member.getRole() != Member.Role.ADMIN) {
+            return new RsData<>("403", "권한이 없습니다.", null);
+        }
+        boolean hasUserLikedNews = newsLikeService.hasUserLikedNews(member, newsId);
+
         News news = newsService.getNewsById(newsId);
         newsService.incrementViews(news);
-        NewsGetResponse response = new NewsGetResponse(news);
+        NewsGetWithLikeResponse response = new NewsGetWithLikeResponse(news, hasUserLikedNews);
         return new RsData<>("200", "뉴스 읽어오기 완료", response);
     }
 
@@ -55,6 +64,13 @@ public RsData<NewsGetResponse> getNews(@PathVariable("newsId") Long newsId) {
     public RsData<List<NewsGetResponse>> getNewsList(
             @RequestParam(defaultValue = "0") int page,
             @RequestParam(defaultValue = "10") int size) {
+        Member member = rq.getActorFromDb().get();
+        if (member == null) {
+            return new RsData<>("401", "로그인 후 이용해주세요.", null);
+        }
+        if (member.getRole() != Member.Role.ADMIN) {
+            return new RsData<>("403", "권한이 없습니다.", null);
+        }
 
         Page<News> newsPage = newsService.getNewsByPage(page, size);
 
@@ -106,7 +122,7 @@ public RsData<NewsUpdateResponse> modifyNews(@PathVariable("newsId") Long newsId
     @Operation(summary = "뉴스 삭제", description = "특정 ID의 뉴스를 삭제합니다. ADMIN 사용자만 접근할 수 있습니다.")
     public RsData<?> deleteNews(@PathVariable("newsId") Long newsId) {
         Member member = rq.getActorFromDb().get();
-        if (member == null){
+        if (member == null) {
             return new RsData<>("401", "로그인 후 이용해주세요.", null);
         }
         if (member.getRole() != Member.Role.ADMIN) {

back/src/main/java/com/back/domain/news/news/dto/NewsGetWithLikeResponse.java

@@ -0,0 +1,29 @@
+package com.back.domain.news.news.dto;
+
+import com.back.domain.news.news.entity.News;
+
+import java.time.LocalDateTime;
+
+public record NewsGetWithLikeResponse(
+        Long id,
+        String title,
+        String videoUuid,
+        String content,
+        String authorId,
+        boolean userLikeStatus,
+        LocalDateTime createdAt,
+        LocalDateTime updatedAt
+) {
+    public NewsGetWithLikeResponse(News news, boolean userLikeStatus) {
+        this(
+                news.getId(),
+                news.getTitle(),
+                news.getVideo().getUuid(),
+                news.getContent(),
+                news.getMember().getName(),
+                userLikeStatus,
+                news.getCreateDate(),
+                news.getModifyDate()
+        );
+    }
+}