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Add latest reply tab and backend support

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This commit is contained in:
Tim
2025-07-23 10:58:37 +08:00
parent 1b70b08eb1
commit bc42fc9d70
5 changed files with 156 additions and 2 deletions
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52
src/main/java/com/openisle/service/PostService.java
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@@ -206,6 +206,47 @@ public class PostService {
return paginate(sortByPinnedAndViews(posts), page, pageSize);
}
public List<Post> listPostsByLatestReply(Integer page, Integer pageSize) {
return listPostsByLatestReply(null, null, page, pageSize);
}
public List<Post> listPostsByLatestReply(java.util.List<Long> categoryIds,
java.util.List<Long> tagIds,
Integer page,
Integer pageSize) {
boolean hasCategories = categoryIds != null && !categoryIds.isEmpty();
boolean hasTags = tagIds != null && !tagIds.isEmpty();
java.util.List<Post> posts;
if (!hasCategories && !hasTags) {
posts = postRepository.findByStatusOrderByCreatedAtDesc(PostStatus.PUBLISHED);
} else if (hasCategories) {
java.util.List<Category> categories = categoryRepository.findAllById(categoryIds);
if (categories.isEmpty()) {
return java.util.List.of();
}
if (hasTags) {
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
if (tags.isEmpty()) {
return java.util.List.of();
}
posts = postRepository.findByCategoriesAndAllTagsOrderByCreatedAtDesc(
categories, tags, PostStatus.PUBLISHED, tags.size());
} else {
posts = postRepository.findByCategoryInAndStatusOrderByCreatedAtDesc(categories, PostStatus.PUBLISHED);
}
} else {
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
if (tags.isEmpty()) {
return java.util.List.of();
}
posts = postRepository.findByAllTagsOrderByCreatedAtDesc(tags, PostStatus.PUBLISHED, tags.size());
}
return paginate(sortByPinnedAndLastReply(posts), page, pageSize);
}
public List<Post> listPostsByCategories(java.util.List<Long> categoryIds,
Integer page,
Integer pageSize) {
@@ -403,6 +444,17 @@ public class PostService {
.toList();
}
private java.util.List<Post> sortByPinnedAndLastReply(java.util.List<Post> posts) {
return posts.stream()
.sorted(java.util.Comparator
.comparing(Post::getPinnedAt, java.util.Comparator.nullsLast(java.util.Comparator.reverseOrder()))
.thenComparing(p -> {
java.time.LocalDateTime t = commentRepository.findLastCommentTime(p);
return t != null ? t : p.getCreatedAt();
}, java.util.Comparator.nullsLast(java.util.Comparator.reverseOrder())))
.toList();
}
private java.util.List<Post> paginate(java.util.List<Post> posts, Integer page, Integer pageSize) {
if (page == null || pageSize == null) {
return posts;