chore: add debug logging for comments

backend/src/main/java/com/openisle/controller/CommentController.java

@@ -8,6 +8,7 @@ import com.openisle.service.ReactionService;
 import com.openisle.model.CommentSort;
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.ResponseEntity;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.Authentication;
@@ -20,6 +21,7 @@ import java.util.stream.Collectors;
 @RestController
 @RequestMapping("/api")
 @RequiredArgsConstructor
+@Slf4j
 public class CommentController {
     private final CommentService commentService;
     private final LevelService levelService;
@@ -36,12 +38,15 @@ public class CommentController {
     public ResponseEntity<CommentDto> createComment(@PathVariable Long postId,
                                                     @RequestBody CommentRequest req,
                                                     Authentication auth) {
+        log.debug("createComment called by user {} for post {}", auth.getName(), postId);
         if (captchaEnabled && commentCaptchaEnabled && !captchaService.verify(req.getCaptcha())) {
+            log.debug("Captcha verification failed for user {} on post {}", auth.getName(), postId);
             return ResponseEntity.badRequest().build();
         }
         Comment comment = commentService.addComment(auth.getName(), postId, req.getContent());
         CommentDto dto = toDto(comment);
         dto.setReward(levelService.awardForComment(auth.getName()));
+        log.debug("createComment succeeded for comment {}", comment.getId());
         return ResponseEntity.ok(dto);
     }
 
@@ -49,21 +54,27 @@ public class CommentController {
     public ResponseEntity<CommentDto> replyComment(@PathVariable Long commentId,
                                                    @RequestBody CommentRequest req,
                                                    Authentication auth) {
+        log.debug("replyComment called by user {} for comment {}", auth.getName(), commentId);
         if (captchaEnabled && commentCaptchaEnabled && !captchaService.verify(req.getCaptcha())) {
+            log.debug("Captcha verification failed for user {} on comment {}", auth.getName(), commentId);
             return ResponseEntity.badRequest().build();
         }
         Comment comment = commentService.addReply(auth.getName(), commentId, req.getContent());
         CommentDto dto = toDto(comment);
         dto.setReward(levelService.awardForComment(auth.getName()));
+        log.debug("replyComment succeeded for comment {}", comment.getId());
         return ResponseEntity.ok(dto);
     }
 
     @GetMapping("/posts/{postId}/comments")
     public List<CommentDto> listComments(@PathVariable Long postId,
                                          @RequestParam(value = "sort", required = false, defaultValue = "OLDEST") CommentSort sort) {
-        return commentService.getCommentsForPost(postId, sort).stream()
+        log.debug("listComments called for post {} with sort {}", postId, sort);
+        List<CommentDto> list = commentService.getCommentsForPost(postId, sort).stream()
                 .map(this::toDtoWithReplies)
                 .collect(Collectors.toList());
+        log.debug("listComments returning {} comments", list.size());
+        return list;
     }
 
     private CommentDto toDtoWithReplies(Comment comment) {
@@ -81,7 +92,9 @@ public class CommentController {
 
     @DeleteMapping("/comments/{id}")
     public void deleteComment(@PathVariable Long id, Authentication auth) {
+        log.debug("deleteComment called by user {} for comment {}", auth.getName(), id);
         commentService.deleteComment(auth.getName(), id);
+        log.debug("deleteComment completed for comment {}", id);
     }
 
     private CommentDto toDto(Comment comment) {

backend/src/main/java/com/openisle/service/CommentService.java

@@ -16,6 +16,7 @@ import com.openisle.service.SubscriptionService;
 import com.openisle.model.Role;
 import com.openisle.exception.RateLimitException;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -25,6 +26,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 @Service
 @RequiredArgsConstructor
+@Slf4j
 public class CommentService {
     private final CommentRepository commentRepository;
     private final PostRepository postRepository;
@@ -38,9 +40,11 @@ public class CommentService {
 
     @Transactional
     public Comment addComment(String username, Long postId, String content) {
+        log.debug("addComment called by user {} for post {}", username, postId);
         long recent = commentRepository.countByAuthorAfter(username,
                 java.time.LocalDateTime.now().minusMinutes(1));
         if (recent >= 3) {
+            log.debug("Rate limit exceeded for user {}", username);
             throw new RateLimitException("Too many comments");
         }
         User author = userRepository.findByUsername(username)
@@ -52,6 +56,7 @@ public class CommentService {
         comment.setPost(post);
         comment.setContent(content);
         comment = commentRepository.save(comment);
+        log.debug("Comment {} saved for post {}", comment.getId(), postId);
         imageUploader.addReferences(imageUploader.extractUrls(content));
         if (!author.getId().equals(post.getAuthor().getId())) {
             notificationService.createNotification(post.getAuthor(), NotificationType.COMMENT_REPLY, post, comment, null, null, null, null);
@@ -67,14 +72,17 @@ public class CommentService {
             }
         }
         notificationService.notifyMentions(content, author, post, comment);
+        log.debug("addComment finished for comment {}", comment.getId());
         return comment;
     }
 
     @Transactional
     public Comment addReply(String username, Long parentId, String content) {
+        log.debug("addReply called by user {} for parent comment {}", username, parentId);
         long recent = commentRepository.countByAuthorAfter(username,
                 java.time.LocalDateTime.now().minusMinutes(1));
         if (recent >= 3) {
+            log.debug("Rate limit exceeded for user {}", username);
             throw new RateLimitException("Too many comments");
         }
         User author = userRepository.findByUsername(username)
@@ -87,6 +95,7 @@ public class CommentService {
         comment.setParent(parent);
         comment.setContent(content);
         comment = commentRepository.save(comment);
+        log.debug("Reply {} saved for parent {}", comment.getId(), parentId);
         imageUploader.addReferences(imageUploader.extractUrls(content));
         if (!author.getId().equals(parent.getAuthor().getId())) {
             notificationService.createNotification(parent.getAuthor(), NotificationType.COMMENT_REPLY, parent.getPost(), comment, null, null, null, null);
@@ -107,10 +116,12 @@ public class CommentService {
             }
         }
         notificationService.notifyMentions(content, author, parent.getPost(), comment);
+        log.debug("addReply finished for comment {}", comment.getId());
         return comment;
     }
 
     public List<Comment> getCommentsForPost(Long postId, CommentSort sort) {
+        log.debug("getCommentsForPost called for post {} with sort {}", postId, sort);
         Post post = postRepository.findById(postId)
                 .orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
         List<Comment> list = commentRepository.findByPostAndParentIsNullOrderByCreatedAtAsc(post);
@@ -119,56 +130,76 @@ public class CommentService {
         } else if (sort == CommentSort.MOST_INTERACTIONS) {
             list.sort((a, b) -> Integer.compare(interactionCount(b), interactionCount(a)));
         }
+        log.debug("getCommentsForPost returning {} comments", list.size());
         return list;
     }
 
     public List<Comment> getReplies(Long parentId) {
+        log.debug("getReplies called for parent {}", parentId);
         Comment parent = commentRepository.findById(parentId)
                 .orElseThrow(() -> new IllegalArgumentException("Comment not found"));
-        return commentRepository.findByParentOrderByCreatedAtAsc(parent);
+        List<Comment> replies = commentRepository.findByParentOrderByCreatedAtAsc(parent);
+        log.debug("getReplies returning {} replies for parent {}", replies.size(), parentId);
+        return replies;
     }
 
     public List<Comment> getRecentCommentsByUser(String username, int limit) {
+        log.debug("getRecentCommentsByUser called for user {} with limit {}", username, limit);
         User user = userRepository.findByUsername(username)
                 .orElseThrow(() -> new com.openisle.exception.NotFoundException("User not found"));
         Pageable pageable = PageRequest.of(0, limit);
-        return commentRepository.findByAuthorOrderByCreatedAtDesc(user, pageable);
+        List<Comment> comments = commentRepository.findByAuthorOrderByCreatedAtDesc(user, pageable);
+        log.debug("getRecentCommentsByUser returning {} comments for user {}", comments.size(), username);
+        return comments;
     }
 
     public java.util.List<User> getParticipants(Long postId, int limit) {
+        log.debug("getParticipants called for post {} with limit {}", postId, limit);
         Post post = postRepository.findById(postId)
                 .orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
         java.util.LinkedHashSet<User> set = new java.util.LinkedHashSet<>();
         set.add(post.getAuthor());
         set.addAll(commentRepository.findDistinctAuthorsByPost(post));
         java.util.List<User> list = new java.util.ArrayList<>(set);
-        return list.subList(0, Math.min(limit, list.size()));
+        java.util.List<User> result = list.subList(0, Math.min(limit, list.size()));
+        log.debug("getParticipants returning {} users for post {}", result.size(), postId);
+        return result;
     }
 
     public java.util.List<Comment> getCommentsByIds(java.util.List<Long> ids) {
-        return commentRepository.findAllById(ids);
+        log.debug("getCommentsByIds called for ids {}", ids);
+        java.util.List<Comment> comments = commentRepository.findAllById(ids);
+        log.debug("getCommentsByIds returning {} comments", comments.size());
+        return comments;
     }
 
     public java.time.LocalDateTime getLastCommentTime(Long postId) {
+        log.debug("getLastCommentTime called for post {}", postId);
         Post post = postRepository.findById(postId)
                 .orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
-        return commentRepository.findLastCommentTime(post);
+        java.time.LocalDateTime time = commentRepository.findLastCommentTime(post);
+        log.debug("getLastCommentTime for post {} is {}", postId, time);
+        return time;
     }
 
     @Transactional
     public void deleteComment(String username, Long id) {
+        log.debug("deleteComment called by user {} for comment {}", username, id);
         User user = userRepository.findByUsername(username)
                 .orElseThrow(() -> new com.openisle.exception.NotFoundException("User not found"));
         Comment comment = commentRepository.findById(id)
                 .orElseThrow(() -> new IllegalArgumentException("Comment not found"));
         if (!user.getId().equals(comment.getAuthor().getId()) && user.getRole() != Role.ADMIN) {
+            log.debug("User {} not authorized to delete comment {}", username, id);
             throw new IllegalArgumentException("Unauthorized");
         }
         deleteCommentCascade(comment);
+        log.debug("deleteComment completed for comment {}", id);
     }
 
     @Transactional
     public void deleteCommentCascade(Comment comment) {
+        log.debug("deleteCommentCascade called for comment {}", comment.getId());
         List<Comment> replies = commentRepository.findByParentOrderByCreatedAtAsc(comment);
         for (Comment c : replies) {
             deleteCommentCascade(c);
@@ -178,6 +209,7 @@ public class CommentService {
         notificationRepository.deleteAll(notificationRepository.findByComment(comment));
         imageUploader.removeReferences(imageUploader.extractUrls(comment.getContent()));
         commentRepository.delete(comment);
+        log.debug("deleteCommentCascade removed comment {}", comment.getId());
     }
 
     private int interactionCount(Comment comment) {

frontend/src/components/CommentEditor.vue

@@ -66,6 +66,7 @@ export default {
     const submit = () => {
       if (!vditorInstance.value || isDisabled.value) return
       const value = vditorInstance.value.getValue()
+      console.debug('CommentEditor submit', value)
       emit('submit', value)
       vditorInstance.value.setValue('')
       text.value = ''

frontend/src/components/CommentItem.vue

@@ -144,10 +144,12 @@ const CommentItem = {
         toast.error('请先登录')
         return
       }
+      console.debug('Deleting comment', props.comment.id)
       const res = await fetch(`${API_BASE_URL}/api/comments/${props.comment.id}`, {
         method: 'DELETE',
         headers: { Authorization: `Bearer ${token}` }
       })
+      console.debug('Delete comment response status', res.status)
       if (res.ok) {
         toast.success('已删除')
         emit('deleted', props.comment.id)
@@ -164,14 +166,17 @@ const CommentItem = {
         isWaitingForReply.value = false
         return
       }
+      console.debug('Submitting reply', { parentId: props.comment.id, text })
       try {
         const res = await fetch(`${API_BASE_URL}/api/comments/${props.comment.id}/replies`, {
           method: 'POST',
           headers: { 'Content-Type': 'application/json', Authorization: `Bearer ${token}` },
           body: JSON.stringify({ content: text })
         })
+        console.debug('Submit reply response status', res.status)
         if (res.ok) {
           const data = await res.json()
+          console.debug('Submit reply response data', data)
           const replyList = props.comment.reply || (props.comment.reply = [])
           replyList.push({
             id: data.id,
@@ -202,6 +207,7 @@ const CommentItem = {
           toast.error('回复失败')
         }
       } catch (e) {
+        console.debug('Submit reply error', e)
         toast.error('回复失败')
       } finally {
         isWaitingForReply.value = false

frontend/src/views/PostPageView.vue

@@ -370,6 +370,7 @@ export default {
 
     const postComment = async (text) => {
       if (!text.trim()) return
+      console.debug('Posting comment', { postId, text })
       isWaitingPostingComment.value = true
       const token = getToken()
       if (!token) {
@@ -383,8 +384,10 @@ export default {
           headers: { 'Content-Type': 'application/json', Authorization: `Bearer ${token}` },
           body: JSON.stringify({ content: text })
         })
+        console.debug('Post comment response status', res.status)
         if (res.ok) {
           const data = await res.json()
+          console.debug('Post comment response data', data)
           await fetchComments()
           if (data.reward && data.reward > 0) {
             toast.success(`评论成功，获得 ${data.reward} 经验值`)
@@ -397,6 +400,7 @@ export default {
           toast.error('评论失败')
         }
       } catch (e) {
+        console.debug('Post comment error', e)
         toast.error('评论失败')
       } finally {
         isWaitingPostingComment.value = false
@@ -538,20 +542,23 @@ export default {
 
     const fetchComments = async () => {
       isFetchingComments.value = true
+      console.debug('Fetching comments', { postId, sort: commentSort.value })
       try {
         const token = getToken()
         const res = await fetch(`${API_BASE_URL}/api/posts/${postId}/comments?sort=${commentSort.value}`, {
           headers: { Authorization: token ? `Bearer ${token}` : '' }
         })
+        console.debug('Fetch comments response status', res.status)
         if (res.ok) {
           const data = await res.json()
+          console.debug('Fetched comments count', data.length)
           comments.value = data.map(mapComment)
           isFetchingComments.value = false
           await nextTick()
           gatherPostItems()
         }
-      } catch {
-        // ignore
+      } catch (e) {
+        console.debug('Fetch comments error', e)
       } finally {
         isFetchingComments.value = false
       }