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feat: add post pinning

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Tim
2025-07-22 18:11:42 +08:00
parent 929b9baa0c
commit ee118c0bf4
6 changed files with 133 additions and 62 deletions
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122
src/main/java/com/openisle/service/PostService.java
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@@ -173,22 +173,14 @@ public class PostService {
java.util.List<Long> tagIds,
Integer page,
Integer pageSize) {
Pageable pageable = null;
if (page != null && pageSize != null) {
pageable = PageRequest.of(page, pageSize, Sort.Direction.DESC, "createdAt");
}
boolean hasCategories = categoryIds != null && !categoryIds.isEmpty();
boolean hasTags = tagIds != null && !tagIds.isEmpty();
if (!hasCategories && !hasTags) {
if (pageable != null) {
return postRepository.findByStatusOrderByViewsDesc(PostStatus.PUBLISHED, pageable);
}
return postRepository.findByStatusOrderByViewsDesc(PostStatus.PUBLISHED);
}
java.util.List<Post> posts;
if (hasCategories) {
if (!hasCategories && !hasTags) {
posts = postRepository.findByStatusOrderByViewsDesc(PostStatus.PUBLISHED);
} else if (hasCategories) {
java.util.List<Category> categories = categoryRepository.findAllById(categoryIds);
if (categories.isEmpty()) {
return java.util.List.of();
@@ -198,49 +190,33 @@ public class PostService {
if (tags.isEmpty()) {
return java.util.List.of();
}
if (pageable != null) {
return postRepository.findByCategoriesAndAllTagsOrderByViewsDesc(
categories, tags, PostStatus.PUBLISHED, tags.size(), pageable);
}
return postRepository.findByCategoriesAndAllTagsOrderByViewsDesc(
posts = postRepository.findByCategoriesAndAllTagsOrderByViewsDesc(
categories, tags, PostStatus.PUBLISHED, tags.size());
} else {
posts = postRepository.findByCategoryInAndStatusOrderByViewsDesc(categories, PostStatus.PUBLISHED);
}
if (pageable != null) {
return postRepository.findByCategoryInAndStatusOrderByViewsDesc(categories, PostStatus.PUBLISHED, pageable);
} else {
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
if (tags.isEmpty()) {
return java.util.List.of();
}
return postRepository.findByCategoryInAndStatusOrderByViewsDesc(categories, PostStatus.PUBLISHED);
posts = postRepository.findByAllTagsOrderByViewsDesc(tags, PostStatus.PUBLISHED, tags.size());
}
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
if (tags.isEmpty()) {
return java.util.List.of();
}
if (pageable != null) {
return postRepository.findByAllTagsOrderByViewsDesc(tags, PostStatus.PUBLISHED, tags.size(), pageable);
}
return postRepository.findByAllTagsOrderByViewsDesc(tags, PostStatus.PUBLISHED, tags.size());
return paginate(sortByPinnedAndViews(posts), page, pageSize);
}
public List<Post> listPostsByCategories(java.util.List<Long> categoryIds,
Integer page,
Integer pageSize) {
Pageable pageable = null;
if (page != null && pageSize != null) {
pageable = PageRequest.of(page, pageSize, Sort.Direction.DESC, "createdAt");
}
if (categoryIds == null || categoryIds.isEmpty()) {
if (pageable != null) {
return postRepository.findByStatusOrderByCreatedAtDesc(PostStatus.PUBLISHED, pageable);
}
return postRepository.findByStatusOrderByCreatedAtDesc(PostStatus.PUBLISHED);
java.util.List<Post> posts = postRepository.findByStatusOrderByCreatedAtDesc(PostStatus.PUBLISHED);
return paginate(sortByPinnedAndCreated(posts), page, pageSize);
}
java.util.List<Category> categories = categoryRepository.findAllById(categoryIds);
if (pageable != null) {
return postRepository.findByCategoryInAndStatusOrderByCreatedAtDesc(categories, PostStatus.PUBLISHED, pageable);
}
return postRepository.findByCategoryInAndStatusOrderByCreatedAtDesc(categories, PostStatus.PUBLISHED);
java.util.List<Post> posts = postRepository.findByCategoryInAndStatusOrderByCreatedAtDesc(categories, PostStatus.PUBLISHED);
return paginate(sortByPinnedAndCreated(posts), page, pageSize);
}
public List<Post> getRecentPostsByUser(String username, int limit) {
@@ -266,20 +242,13 @@ public class PostService {
return java.util.List.of();
}
Pageable pageable = null;
if (page != null && pageSize != null) {
pageable = PageRequest.of(page, pageSize, Sort.Direction.DESC, "createdAt");
}
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
if (tags.isEmpty()) {
return java.util.List.of();
}
if (pageable != null) {
return postRepository.findByAllTagsOrderByCreatedAtDesc(tags, PostStatus.PUBLISHED, tags.size(), pageable);
}
return postRepository.findByAllTagsOrderByCreatedAtDesc(tags, PostStatus.PUBLISHED, tags.size());
java.util.List<Post> posts = postRepository.findByAllTagsOrderByCreatedAtDesc(tags, PostStatus.PUBLISHED, tags.size());
return paginate(sortByPinnedAndCreated(posts), page, pageSize);
}
public List<Post> listPostsByCategoriesAndTags(java.util.List<Long> categoryIds,
@@ -290,21 +259,14 @@ public class PostService {
return java.util.List.of();
}
Pageable pageable = null;
if (page != null && pageSize != null) {
pageable = PageRequest.of(page, pageSize);
}
java.util.List<Category> categories = categoryRepository.findAllById(categoryIds);
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
if (categories.isEmpty() || tags.isEmpty()) {
return java.util.List.of();
}
if (pageable != null) {
return postRepository.findByCategoriesAndAllTagsOrderByCreatedAtDesc(categories, tags, PostStatus.PUBLISHED, tags.size(), pageable);
}
return postRepository.findByCategoriesAndAllTagsOrderByCreatedAtDesc(categories, tags, PostStatus.PUBLISHED, tags.size());
java.util.List<Post> posts = postRepository.findByCategoriesAndAllTagsOrderByCreatedAtDesc(categories, tags, PostStatus.PUBLISHED, tags.size());
return paginate(sortByPinnedAndCreated(posts), page, pageSize);
}
public List<Post> listPendingPosts() {
@@ -347,6 +309,20 @@ public class PostService {
return post;
}
public Post pinPost(Long id) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
post.setPinnedAt(java.time.LocalDateTime.now());
return postRepository.save(post);
}
public Post unpinPost(Long id) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
post.setPinnedAt(null);
return postRepository.save(post);
}
@org.springframework.transaction.annotation.Transactional
public void deletePost(Long id, String username) {
Post post = postRepository.findById(id)
@@ -377,4 +353,32 @@ public class PostService {
public long countPostsByTag(Long tagId) {
return postRepository.countDistinctByTags_Id(tagId);
}
private java.util.List<Post> sortByPinnedAndCreated(java.util.List<Post> posts) {
return posts.stream()
.sorted(java.util.Comparator
.comparing(Post::getPinnedAt, java.util.Comparator.nullsLast(java.util.Comparator.reverseOrder()))
.thenComparing(Post::getCreatedAt, java.util.Comparator.reverseOrder()))
.toList();
}
private java.util.List<Post> sortByPinnedAndViews(java.util.List<Post> posts) {
return posts.stream()
.sorted(java.util.Comparator
.comparing(Post::getPinnedAt, java.util.Comparator.nullsLast(java.util.Comparator.reverseOrder()))
.thenComparing(Post::getViews, 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;
}
int from = page * pageSize;
if (from >= posts.size()) {
return java.util.List.of();
}
int to = Math.min(from + pageSize, posts.size());
return posts.subList(from, to);
}
}