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缓存功能追加

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This commit is contained in:
wangshun
2025-09-11 15:29:24 +08:00
parent 1e284e15df
commit 37c4306010
7 changed files with 152 additions and 72 deletions
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7
backend/src/main/java/com/openisle/config/CachingConfig.java
View File

@@ -46,6 +46,8 @@ public class CachingConfig {
public static final String LIMIT_CACHE_NAME="openisle_limit";
// 用户访问统计
public static final String VISIT_CACHE_NAME="openisle_visit";
// 文章缓存
public static final String POST_CACHE_NAME="openisle_posts";
/**
* 自定义Redis的序列化器
@@ -65,7 +67,10 @@ public class CachingConfig {
// Hibernate6Module 可以自动处理懒加载代理对象。
// Tag对象的creator是FetchType.LAZY
objectMapper.registerModule(new Hibernate6Module()
.disable(Hibernate6Module.Feature.USE_TRANSIENT_ANNOTATION));
.disable(Hibernate6Module.Feature.USE_TRANSIENT_ANNOTATION)
// 将 Hibernate 特有的集合类型转换为标准 Java 集合类型
// 避免序列化时出现 org.hibernate.collection.spi.PersistentSet 这样的类型信息
.configure(Hibernate6Module.Feature.REPLACE_PERSISTENT_COLLECTIONS, true));
// service的时候带上类型信息
// 启用类型信息，避免 LinkedHashMap 问题
objectMapper.activateDefaultTyping(

62
backend/src/main/java/com/openisle/controller/PostController.java
View File

@@ -27,6 +27,8 @@ import java.util.stream.Collectors;
@RequiredArgsConstructor
public class PostController {
private final PostService postService;
private final CategoryService categoryService;
private final TagService tagService;
private final LevelService levelService;
private final CaptchaService captchaService;
private final DraftService draftService;
@@ -147,33 +149,16 @@ public class PostController {
@RequestParam(value = "page", required = false) Integer page,
@RequestParam(value = "pageSize", required = false) Integer pageSize,
Authentication auth) {
List<Long> ids = categoryIds;
if (categoryId != null) {
ids = java.util.List.of(categoryId);
}
List<Long> tids = tagIds;
if (tagId != null) {
tids = java.util.List.of(tagId);
}
List<Long> ids = categoryService.getSearchCategoryIds(categoryIds, categoryId);
List<Long> tids = tagService.getSearchTagIds(tagIds, tagId);
// 只需要在请求的一开始统计一次
// if (auth != null) {
// userVisitService.recordVisit(auth.getName());
// }
boolean hasCategories = ids != null && !ids.isEmpty();
boolean hasTags = tids != null && !tids.isEmpty();
if (hasCategories && hasTags) {
return postService.listPostsByCategoriesAndTags(ids, tids, page, pageSize)
.stream().map(postMapper::toSummaryDto).collect(Collectors.toList());
}
if (hasTags) {
return postService.listPostsByTags(tids, page, pageSize)
.stream().map(postMapper::toSummaryDto).collect(Collectors.toList());
}
return postService.listPostsByCategories(ids, page, pageSize)
.stream().map(postMapper::toSummaryDto).collect(Collectors.toList());
return postService.defaultListPosts(ids,tids,page, pageSize).stream()
.map(postMapper::toSummaryDto).collect(Collectors.toList());
}
@GetMapping("/ranking")
@@ -187,14 +172,9 @@ public class PostController {
@RequestParam(value = "page", required = false) Integer page,
@RequestParam(value = "pageSize", required = false) Integer pageSize,
Authentication auth) {
List<Long> ids = categoryIds;
if (categoryId != null) {
ids = java.util.List.of(categoryId);
}
List<Long> tids = tagIds;
if (tagId != null) {
tids = java.util.List.of(tagId);
}
List<Long> ids = categoryService.getSearchCategoryIds(categoryIds, categoryId);
List<Long> tids = tagService.getSearchTagIds(tagIds, tagId);
// 只需要在请求的一开始统计一次
// if (auth != null) {
// userVisitService.recordVisit(auth.getName());
@@ -215,14 +195,9 @@ public class PostController {
@RequestParam(value = "page", required = false) Integer page,
@RequestParam(value = "pageSize", required = false) Integer pageSize,
Authentication auth) {
List<Long> ids = categoryIds;
if (categoryId != null) {
ids = java.util.List.of(categoryId);
}
List<Long> tids = tagIds;
if (tagId != null) {
tids = java.util.List.of(tagId);
}
List<Long> ids = categoryService.getSearchCategoryIds(categoryIds, categoryId);
List<Long> tids = tagService.getSearchTagIds(tagIds, tagId);
// 只需要在请求的一开始统计一次
// if (auth != null) {
// userVisitService.recordVisit(auth.getName());
@@ -243,14 +218,9 @@ public class PostController {
@RequestParam(value = "page", required = false) Integer page,
@RequestParam(value = "pageSize", required = false) Integer pageSize,
Authentication auth) {
List<Long> ids = categoryIds;
if (categoryId != null) {
ids = java.util.List.of(categoryId);
}
List<Long> tids = tagIds;
if (tagId != null) {
tids = java.util.List.of(tagId);
}
List<Long> ids = categoryService.getSearchCategoryIds(categoryIds, categoryId);
List<Long> tids = tagService.getSearchTagIds(tagIds, tagId);
// 只需要在请求的一开始统计一次
// if (auth != null) {
// userVisitService.recordVisit(auth.getName());

8
backend/src/main/java/com/openisle/model/Post.java
View File

@@ -39,19 +39,19 @@ public class Post {
columnDefinition = "DATETIME(6) DEFAULT CURRENT_TIMESTAMP(6)")
private LocalDateTime createdAt;
@ManyToOne(optional = false, fetch = FetchType.LAZY)
@ManyToOne(optional = false, fetch = FetchType.EAGER)
@JoinColumn(name = "author_id")
private User author;
@ManyToOne(optional = false, fetch = FetchType.LAZY)
@ManyToOne(optional = false, fetch = FetchType.EAGER)
@JoinColumn(name = "category_id")
private Category category;
@ManyToMany(fetch = FetchType.LAZY)
@ManyToMany(fetch = FetchType.EAGER)
@JoinTable(name = "post_tags",
joinColumns = @JoinColumn(name = "post_id"),
inverseJoinColumns = @JoinColumn(name = "tag_id"))
private java.util.Set<Tag> tags = new java.util.HashSet<>();
private Set<Tag> tags = new HashSet<>();
@Column(nullable = false)
private long views = 0;

14
backend/src/main/java/com/openisle/service/CategoryService.java
View File

@@ -62,4 +62,18 @@ public class CategoryService {
public List<Category> listCategories() {
return categoryRepository.findAll();
}
/**
* 获取检索用的分类Id列表
* @param categoryIds
* @param categoryId
* @return
*/
public List<Long> getSearchCategoryIds(List<Long> categoryIds, Long categoryId){
List<Long> ids = categoryIds;
if (categoryId != null) {
ids = List.of(categoryId);
}
return ids;
}
}

19
backend/src/main/java/com/openisle/service/CommentService.java
View File

@@ -1,5 +1,6 @@
package com.openisle.service;
import com.openisle.config.CachingConfig;
import com.openisle.model.Comment;
import com.openisle.model.Post;
import com.openisle.model.User;
@@ -20,6 +21,8 @@ import com.openisle.model.Role;
import com.openisle.exception.RateLimitException;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import java.util.List;
@@ -47,6 +50,10 @@ public class CommentService {
private final PointService pointService;
private final ImageUploader imageUploader;
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'latest_reply'"
)
@Transactional
public Comment addComment(String username, Long postId, String content) {
log.debug("addComment called by user {} for post {}", username, postId);
@@ -95,6 +102,10 @@ public class CommentService {
return commentRepository.findLastCommentTimeOfUserByUserId(userId);
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'latest_reply'"
)
@Transactional
public Comment addReply(String username, Long parentId, String content) {
log.debug("addReply called by user {} for parent comment {}", username, parentId);
@@ -228,6 +239,10 @@ public class CommentService {
return count;
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'latest_reply'"
)
@Transactional
public void deleteComment(String username, Long id) {
log.debug("deleteComment called by user {} for comment {}", username, id);
@@ -243,6 +258,10 @@ public class CommentService {
log.debug("deleteComment completed for comment {}", id);
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'latest_reply'"
)
@Transactional
public void deleteCommentCascade(Comment comment) {
log.debug("deleteCommentCascade called for comment {}", comment.getId());

100
backend/src/main/java/com/openisle/service/PostService.java
View File

@@ -1,17 +1,8 @@
package com.openisle.service;
import com.openisle.config.CachingConfig;
import com.openisle.model.Post;
import com.openisle.model.PostStatus;
import com.openisle.model.PostType;
import com.openisle.model.PublishMode;
import com.openisle.model.User;
import com.openisle.model.Category;
import com.openisle.model.Comment;
import com.openisle.model.NotificationType;
import com.openisle.model.LotteryPost;
import com.openisle.model.PollPost;
import com.openisle.model.PollVote;
import com.openisle.mapper.PostMapper;
import com.openisle.model.*;
import com.openisle.repository.PostRepository;
import com.openisle.repository.LotteryPostRepository;
import com.openisle.repository.PollPostRepository;
@@ -26,11 +17,12 @@ import com.openisle.repository.ReactionRepository;
import com.openisle.repository.PostSubscriptionRepository;
import com.openisle.repository.NotificationRepository;
import com.openisle.repository.PollVoteRepository;
import com.openisle.model.Role;
import com.openisle.exception.RateLimitException;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.context.ApplicationContext;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
@@ -52,6 +44,8 @@ import java.time.LocalDateTime;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ScheduledFuture;
import java.util.stream.Collectors;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.context.event.EventListener;
@@ -195,12 +189,14 @@ public class PostService {
pointService.awardForFeatured(saved.getAuthor().getUsername(), saved.getId());
return saved;
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME, allEntries = true
)
public Post createPost(String username,
Long categoryId,
String title,
String content,
java.util.List<Long> tagIds,
List<Long> tagIds,
PostType type,
String prizeDescription,
String prizeIcon,
@@ -511,6 +507,10 @@ public class PostService {
return listPostsByLatestReply(null, null, page, pageSize);
}
@Cacheable(
value = CachingConfig.POST_CACHE_NAME,
key = "'latest_reply'"
)
public List<Post> listPostsByLatestReply(java.util.List<Long> categoryIds,
java.util.List<Long> tagIds,
Integer page,
@@ -538,9 +538,9 @@ public class PostService {
posts = postRepository.findByCategoryInAndStatusOrderByCreatedAtDesc(categories, PostStatus.PUBLISHED);
}
} else {
java.util.List<com.openisle.model.Tag> tags = tagRepository.findAllById(tagIds);
List<Tag> tags = tagRepository.findAllById(tagIds);
if (tags.isEmpty()) {
return java.util.List.of();
return new ArrayList<>();
}
posts = postRepository.findByAllTagsOrderByCreatedAtDesc(tags, PostStatus.PUBLISHED, tags.size());
}
@@ -638,11 +638,43 @@ public class PostService {
return paginate(sortByPinnedAndCreated(posts), page, pageSize);
}
/**
* 默认的文章列表
* @param ids
* @param tids
* @param page
* @param pageSize
* @return
*/
@Cacheable(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
public List<Post> defaultListPosts(List<Long> ids, List<Long> tids, Integer page, Integer pageSize){
boolean hasCategories = !CollectionUtils.isEmpty(ids);
boolean hasTags = !CollectionUtils.isEmpty(tids);
if (hasCategories && hasTags) {
return listPostsByCategoriesAndTags(ids, tids, page, pageSize)
.stream().collect(Collectors.toList());
}
if (hasTags) {
return listPostsByTags(tids, page, pageSize)
.stream().collect(Collectors.toList());
}
return listPostsByCategories(ids, page, pageSize)
.stream().collect(Collectors.toList());
}
public List<Post> listPendingPosts() {
return postRepository.findByStatus(PostStatus.PENDING);
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
public Post approvePost(Long id) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
@@ -679,6 +711,10 @@ public class PostService {
return post;
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
public Post pinPost(Long id, String username) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
@@ -691,6 +727,10 @@ public class PostService {
return saved;
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
public Post unpinPost(Long id, String username) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
@@ -703,6 +743,10 @@ public class PostService {
return saved;
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
public Post closePost(Long id, String username) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
@@ -718,6 +762,10 @@ public class PostService {
return saved;
}
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
public Post reopenPost(Long id, String username) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
@@ -733,7 +781,11 @@ public class PostService {
return saved;
}
@org.springframework.transaction.annotation.Transactional
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
@Transactional
public Post updatePost(Long id,
String username,
Long categoryId,
@@ -786,7 +838,11 @@ public class PostService {
return updated;
}
@org.springframework.transaction.annotation.Transactional
@CacheEvict(
value = CachingConfig.POST_CACHE_NAME,
key = "'default'"
)
@Transactional
public void deletePost(Long id, String username) {
Post post = postRepository.findById(id)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
@@ -879,15 +935,17 @@ public class PostService {
.toList();
}
private java.util.List<Post> paginate(java.util.List<Post> posts, Integer page, Integer pageSize) {
private List<Post> paginate(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();
return new ArrayList<>();
}
int to = Math.min(from + pageSize, posts.size());
return posts.subList(from, to);
// 这里必须将list包装为arrayList类型，否则序列化会有问题
// list.sublist返回的是内部类
return new ArrayList<>(posts.subList(from, to));
}
}

14
backend/src/main/java/com/openisle/service/TagService.java
View File

@@ -120,4 +120,18 @@ public class TagService {
.orElseThrow(() -> new com.openisle.exception.NotFoundException("User not found"));
return tagRepository.findByCreator(user);
}
/**
* 获取检索用的标签Id列表
* @param tagIds
* @param tagId
* @return
*/
public List<Long> getSearchTagIds(List<Long> tagIds, Long tagId){
List<Long> ids = tagIds;
if (tagId != null) {
ids = List.of(tagId);
}
return ids;
}
}