채택된 댓글 조회 (#137)

Author: luckhee

back/src/main/java/com/back/domain/post/comment/controller/PostCommentController.java

@@ -5,6 +5,7 @@
 import com.back.domain.post.comment.dto.CommentCreateRequest;
 import com.back.domain.post.comment.dto.CommentDeleteRequest;
 import com.back.domain.post.comment.dto.CommentModifyRequest;
+import com.back.domain.post.comment.entity.PostComment;
 import com.back.domain.post.comment.service.PostCommentService;
 import com.back.global.rq.Rq;
 import com.back.global.rsData.RsData;
@@ -75,4 +76,12 @@ public RsData<Void> adoptComment(@PathVariable Long commentId) {
         return new RsData<>("200", "댓글 채택 성공", null);
     }
 
+    @Operation(summary = "채택된 댓글 가져오기 ")
+    @GetMapping("isAdopted/{post_id}")
+    public RsData<CommentAllResponse> getAdoptComment(@PathVariable Long post_id) {
+        CommentAllResponse commentAllResponse = postCommentService.getAdoptedComment(post_id);
+
+        return new RsData<>("200", "채택된 댓글 조회 성공", commentAllResponse);
+    }
+
 }

back/src/main/java/com/back/domain/post/comment/repository/PostCommentRepository.java

@@ -8,6 +8,7 @@
 import org.springframework.stereotype.Repository;
 
 import java.util.List;
+import java.util.Optional;
 
 @Repository
 public interface PostCommentRepository extends JpaRepository<PostComment, Long> {
@@ -17,4 +18,6 @@ public interface PostCommentRepository extends JpaRepository<PostComment, Long>
 
 
     boolean existsByPostAndIsAdoptedTrue(Post post);
+
+    Optional<PostComment> findByPostAndIsAdoptedTrue(Post post);
 }

back/src/main/java/com/back/domain/post/comment/service/PostCommentService.java

@@ -137,4 +137,19 @@ public void adoptComment(Long commentId, Member member) {
 
         post.updateResolveStatus(true);
     }
+
+    @Transactional
+    public  CommentAllResponse getAdoptedComment(Long postId) {
+        Post post = postRepository.findById(postId)
+                .orElseThrow(() -> new ServiceException("400", "해당 Id의 게시글이 없습니다."));
+
+        if (post.getPostType() != Post.PostType.QUESTIONPOST) {
+            throw new ServiceException("400", "질문 게시글만 채택된 댓글을 가질 수 있습니다.");
+        }
+
+        PostComment postComment = postCommentRepository.findByPostAndIsAdoptedTrue(post)
+                .orElseThrow(() -> new ServiceException("400", "채택된 댓글이 없습니다."));
+
+        return CommentAllResponse.from(postComment);
+    }
 }