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feat: 评论分页

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Tim
2026-02-04 20:14:46 +08:00
parent f695db62c6
commit 657b76bb1e
2 changed files with 97 additions and 19 deletions
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23
backend/src/main/java/com/openisle/controller/CommentController.java
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@@ -112,7 +112,9 @@ public class CommentController {
)
public List<TimelineItemDto<?>> listComments(
@PathVariable Long postId,
@RequestParam(value = "sort", required = false, defaultValue = "OLDEST") CommentSort sort
@RequestParam(value = "sort", required = false, defaultValue = "OLDEST") CommentSort sort,
@RequestParam(value = "page", required = false, defaultValue = "0") int page,
@RequestParam(value = "pageSize", required = false, defaultValue = "20") int pageSize
) {
log.debug("listComments called for post {} with sort {}", postId, sort);
List<CommentDto> commentDtoList = commentService
@@ -183,8 +185,23 @@ public class CommentController {
createdAtComparator = createdAtComparator.reversed();
}
itemDtoList.sort(comparator.thenComparing(createdAtComparator));
log.debug("listComments returning {} comments", itemDtoList.size());
return itemDtoList;
int safePage = Math.max(0, page);
int safePageSize = Math.max(1, pageSize);
int fromIndex = safePage * safePageSize;
int toIndex = Math.min(fromIndex + safePageSize, itemDtoList.size());
List<TimelineItemDto<?>> pagedItems =
fromIndex >= itemDtoList.size() ? List.of() : itemDtoList.subList(fromIndex, toIndex);
log.debug(
"listComments returning {} items for post {} page {} size {} (total {})",
pagedItems.size(),
postId,
safePage,
safePageSize,
itemDtoList.size()
);
return pagedItems;
}
@GetMapping("/comments/{commentId}/context")