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feat: allow post authors to pin comments

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Tim
2025-08-13 16:30:48 +08:00
parent a3aec1133b
commit 0edbeabac2
9 changed files with 165 additions and 11 deletions
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52
backend/src/main/java/com/openisle/service/CommentService.java
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@@ -23,6 +23,7 @@ import java.util.List;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.transaction.annotation.Transactional;
import java.time.LocalDateTime;
@Service
@RequiredArgsConstructor
@@ -129,13 +130,26 @@ public class CommentService {
Post post = postRepository.findById(postId)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
List<Comment> list = commentRepository.findByPostAndParentIsNullOrderByCreatedAtAsc(post);
if (sort == CommentSort.NEWEST) {
list.sort(java.util.Comparator.comparing(Comment::getCreatedAt).reversed());
} else if (sort == CommentSort.MOST_INTERACTIONS) {
list.sort((a, b) -> Integer.compare(interactionCount(b), interactionCount(a)));
java.util.List<Comment> pinned = new java.util.ArrayList<>();
java.util.List<Comment> others = new java.util.ArrayList<>();
for (Comment c : list) {
if (c.getPinnedAt() != null) {
pinned.add(c);
} else {
others.add(c);
}
}
log.debug("getCommentsForPost returning {} comments", list.size());
return list;
pinned.sort(java.util.Comparator.comparing(Comment::getPinnedAt).reversed());
if (sort == CommentSort.NEWEST) {
others.sort(java.util.Comparator.comparing(Comment::getCreatedAt).reversed());
} else if (sort == CommentSort.MOST_INTERACTIONS) {
others.sort((a, b) -> Integer.compare(interactionCount(b), interactionCount(a)));
}
java.util.List<Comment> result = new java.util.ArrayList<>();
result.addAll(pinned);
result.addAll(others);
log.debug("getCommentsForPost returning {} comments", result.size());
return result;
}
public List<Comment> getReplies(Long parentId) {
@@ -223,6 +237,32 @@ public class CommentService {
log.debug("deleteCommentCascade removed comment {}", comment.getId());
}
@Transactional
public Comment pinComment(String username, Long id) {
Comment c = commentRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Comment not found"));
User user = userRepository.findByUsername(username)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("User not found"));
if (!user.getId().equals(c.getPost().getAuthor().getId()) && user.getRole() != Role.ADMIN) {
throw new IllegalArgumentException("Unauthorized");
}
c.setPinnedAt(LocalDateTime.now());
return commentRepository.save(c);
}
@Transactional
public Comment unpinComment(String username, Long id) {
Comment c = commentRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Comment not found"));
User user = userRepository.findByUsername(username)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("User not found"));
if (!user.getId().equals(c.getPost().getAuthor().getId()) && user.getRole() != Role.ADMIN) {
throw new IllegalArgumentException("Unauthorized");
}
c.setPinnedAt(null);
return commentRepository.save(c);
}
private int interactionCount(Comment comment) {
int reactions = reactionRepository.findByComment(comment).size();
int replies = commentRepository.findByParentOrderByCreatedAtAsc(comment).size();