feat: 集成 Spring AMQP，使用 RabbitMQ 发送小说更新消息

默认关闭，通过 spring.rabbitmq.enable 配置属性来开启

pom.xml

@@ -110,6 +110,12 @@
             <artifactId>jackson-databind</artifactId>
         </dependency>
 
+        <!-- MQ 相关-->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-amqp</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>

src/main/java/io/github/xxyopen/novel/core/auth/AuthStrategy.java

@@ -5,7 +5,7 @@ import io.github.xxyopen.novel.core.common.exception.BusinessException;
 import io.github.xxyopen.novel.core.constant.SystemConfigConsts;
 import io.github.xxyopen.novel.core.util.JwtUtils;
 import io.github.xxyopen.novel.dto.UserInfoDto;
-import io.github.xxyopen.novel.manager.UserInfoCacheManager;
+import io.github.xxyopen.novel.manager.cache.UserInfoCacheManager;
 import org.springframework.util.StringUtils;
 
 import java.util.Objects;

src/main/java/io/github/xxyopen/novel/core/auth/AuthorAuthStrategy.java

@@ -5,8 +5,8 @@ import io.github.xxyopen.novel.core.common.exception.BusinessException;
 import io.github.xxyopen.novel.core.constant.ApiRouterConsts;
 import io.github.xxyopen.novel.core.util.JwtUtils;
 import io.github.xxyopen.novel.dto.AuthorInfoDto;
-import io.github.xxyopen.novel.manager.AuthorInfoCacheManager;
-import io.github.xxyopen.novel.manager.UserInfoCacheManager;
+import io.github.xxyopen.novel.manager.cache.AuthorInfoCacheManager;
+import io.github.xxyopen.novel.manager.cache.UserInfoCacheManager;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 

src/main/java/io/github/xxyopen/novel/core/auth/FrontAuthStrategy.java

@@ -2,7 +2,7 @@ package io.github.xxyopen.novel.core.auth;
 
 import io.github.xxyopen.novel.core.common.exception.BusinessException;
 import io.github.xxyopen.novel.core.util.JwtUtils;
-import io.github.xxyopen.novel.manager.UserInfoCacheManager;
+import io.github.xxyopen.novel.manager.cache.UserInfoCacheManager;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 

src/main/java/io/github/xxyopen/novel/core/common/constant/CommonConsts.java

@@ -13,11 +13,14 @@ public class CommonConsts {
      * 是
      * */
     public static final Integer YES = 1;
+    public static final String TRUE = "true";
+
 
     /**
      * 否
      * */
     public static final Integer NO = 0;
+    public static final String FALSE = "false";
 
     /**
      * 性别常量

src/main/java/io/github/xxyopen/novel/core/config/AmqpConfig.java

@@ -0,0 +1,44 @@
+package io.github.xxyopen.novel.core.config;
+
+import io.github.xxyopen.novel.core.constant.AmqpConsts;
+import org.springframework.amqp.core.Binding;
+import org.springframework.amqp.core.BindingBuilder;
+import org.springframework.amqp.core.FanoutExchange;
+import org.springframework.amqp.core.Queue;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * AMQP 配置类
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/25
+ */
+@Configuration
+public class AmqpConfig {
+
+    /**
+     * 小说信息改变交换机
+     */
+    @Bean
+    public FanoutExchange bookChangeExchange() {
+        return new FanoutExchange(AmqpConsts.BookChangeMq.EXCHANGE_NAME);
+    }
+
+    /**
+     * Elasticsearch book 索引更新队列
+     */
+    @Bean
+    public Queue esBookUpdateQueue() {
+        return new Queue(AmqpConsts.BookChangeMq.QUEUE_ES_UPDATE);
+    }
+
+    /**
+     * Elasticsearch book 索引更新队列绑定到小说信息改变交换机
+     */
+    @Bean
+    public Binding esBookUpdateQueueBinding() {
+        return BindingBuilder.bind(esBookUpdateQueue()).to(bookChangeExchange());
+    }
+
+}

src/main/java/io/github/xxyopen/novel/core/constant/AmqpConsts.java

@@ -0,0 +1,33 @@
+package io.github.xxyopen.novel.core.constant;
+
+/**
+ * AMQP 相关常量
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/25
+ */
+public class AmqpConsts {
+
+    /**
+     * 小说信息改变 MQ
+     * */
+    public static class BookChangeMq{
+
+        /**
+         * 小说信息改变交换机
+         * */
+        public static final String EXCHANGE_NAME = "EXCHANGE-BOOK-CHANGE";
+
+        /**
+         * Elasticsearch book 索引更新的队列
+         * */
+        public static final String QUEUE_ES_UPDATE = "QUEUE-ES-BOOK-UPDATE";
+
+        /**
+         * Redis book 缓存更新的队列
+         * */
+        public static final String QUEUE_REDIS_UPDATE = "QUEUE-REDIS-BOOK-UPDATE";
+
+    }
+
+}

src/main/java/io/github/xxyopen/novel/core/listener/RabbitQueueListener.java

@@ -0,0 +1,48 @@
+package io.github.xxyopen.novel.core.listener;
+
+import co.elastic.clients.elasticsearch.ElasticsearchClient;
+import co.elastic.clients.elasticsearch.core.IndexResponse;
+import io.github.xxyopen.novel.core.constant.AmqpConsts;
+import io.github.xxyopen.novel.core.constant.EsConsts;
+import io.github.xxyopen.novel.dao.entity.BookInfo;
+import io.github.xxyopen.novel.dao.mapper.BookInfoMapper;
+import io.github.xxyopen.novel.dto.es.EsBookDto;
+import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.stereotype.Component;
+
+/**
+ * Rabbit 队列监听器
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/25
+ */
+@Component
+@ConditionalOnProperty(prefix = "spring.elasticsearch", name = "enable", havingValue = "true")
+@RequiredArgsConstructor
+@Slf4j
+public class RabbitQueueListener {
+
+    private final BookInfoMapper bookInfoMapper;
+
+    private final ElasticsearchClient esClient;
+
+    /**
+     * 监听小说信息改变的 ES 更新队列，更新最新小说信息到 ES
+     * */
+    @RabbitListener(queues = AmqpConsts.BookChangeMq.QUEUE_ES_UPDATE)
+    @SneakyThrows
+    public void updateEsBook(Long bookId) {
+        BookInfo bookInfo = bookInfoMapper.selectById(bookId);
+        IndexResponse response = esClient.index(i -> i
+                .index(EsConsts.BookIndex.INDEX_NAME)
+                .id(bookInfo.getId().toString())
+                .document(EsBookDto.build(bookInfo))
+        );
+        log.info("Indexed with version " + response.version());
+    }
+
+}

src/main/java/io/github/xxyopen/novel/core/task/BookToEsTask.java

@@ -18,7 +18,6 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
-import java.time.ZoneOffset;
 import java.util.List;
 
 /**
@@ -60,12 +59,11 @@ public class BookToEsTask {
             BulkRequest.Builder br = new BulkRequest.Builder();
 
             for (BookInfo book : bookInfos) {
-                EsBookDto esBook = buildEsBook(book);
                 br.operations(op -> op
                         .index(idx -> idx
                                 .index(EsConsts.BookIndex.INDEX_NAME)
                                 .id(book.getId().toString())
-                                .document(esBook)
+                                .document(EsBookDto.build(book))
                         )
                 ).timeout(Time.of(t -> t.time("10s")));
                 maxId = book.getId();
@@ -87,26 +85,4 @@ public class BookToEsTask {
 
     }
 
-    private EsBookDto buildEsBook(BookInfo book) {
-        return EsBookDto.builder()
-                .id(book.getId())
-                .categoryId(book.getCategoryId())
-                .categoryName(book.getCategoryName())
-                .bookDesc(book.getBookDesc())
-                .bookName(book.getBookName())
-                .authorId(book.getAuthorId())
-                .authorName(book.getAuthorName())
-                .bookStatus(book.getBookStatus())
-                .commentCount(book.getCommentCount())
-                .isVip(book.getIsVip())
-                .score(book.getScore())
-                .visitCount(book.getVisitCount())
-                .wordCount(book.getWordCount())
-                .workDirection(book.getWorkDirection())
-                .lastChapterId(book.getLastChapterId())
-                .lastChapterName(book.getLastChapterName())
-                .lastChapterUpdateTime(book.getLastChapterUpdateTime()
-                        .toInstant(ZoneOffset.ofHours(8)).toEpochMilli())
-                .build();
-    }
 }

src/main/java/io/github/xxyopen/novel/dto/es/EsBookDto.java

@@ -1,10 +1,13 @@
 package io.github.xxyopen.novel.dto.es;
 
+import io.github.xxyopen.novel.dao.entity.BookInfo;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.time.ZoneOffset;
+
 /**
  * Elasticsearch 存储小说 DTO
  * @author xiongxiaoyang
@@ -101,4 +104,27 @@ public class EsBookDto {
      */
     private Integer isVip;
 
+    public static EsBookDto build(BookInfo bookInfo){
+        return EsBookDto.builder()
+                .id(bookInfo.getId())
+                .categoryId(bookInfo.getCategoryId())
+                .categoryName(bookInfo.getCategoryName())
+                .bookDesc(bookInfo.getBookDesc())
+                .bookName(bookInfo.getBookName())
+                .authorId(bookInfo.getAuthorId())
+                .authorName(bookInfo.getAuthorName())
+                .bookStatus(bookInfo.getBookStatus())
+                .commentCount(bookInfo.getCommentCount())
+                .isVip(bookInfo.getIsVip())
+                .score(bookInfo.getScore())
+                .visitCount(bookInfo.getVisitCount())
+                .wordCount(bookInfo.getWordCount())
+                .workDirection(bookInfo.getWorkDirection())
+                .lastChapterId(bookInfo.getLastChapterId())
+                .lastChapterName(bookInfo.getLastChapterName())
+                .lastChapterUpdateTime(bookInfo.getLastChapterUpdateTime()
+                        .toInstant(ZoneOffset.ofHours(8)).toEpochMilli())
+                .build();
+    }
+
 }

src/main/java/io/github/xxyopen/novel/manager/cache/AuthorInfoCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/BookCategoryCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/BookChapterCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import io.github.xxyopen.novel.core.constant.CacheConsts;
 import io.github.xxyopen.novel.dao.entity.BookChapter;

src/main/java/io/github/xxyopen/novel/manager/cache/BookContentCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/BookInfoCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/BookRankCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/FriendLinkCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/HomeBookCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/NewsCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/manager/cache/UserInfoCacheManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.cache;
 
 import io.github.xxyopen.novel.core.constant.CacheConsts;
 import io.github.xxyopen.novel.dao.entity.UserInfo;

src/main/java/io/github/xxyopen/novel/manager/dao/UserDaoManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.dao;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import io.github.xxyopen.novel.core.constant.DatabaseConsts;

src/main/java/io/github/xxyopen/novel/manager/mq/AmqpMsgManager.java

@@ -0,0 +1,52 @@
+package io.github.xxyopen.novel.manager.mq;
+
+import io.github.xxyopen.novel.core.common.constant.CommonConsts;
+import io.github.xxyopen.novel.core.constant.AmqpConsts;
+import lombok.RequiredArgsConstructor;
+import org.springframework.amqp.core.AmqpTemplate;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.support.TransactionSynchronization;
+import org.springframework.transaction.support.TransactionSynchronizationManager;
+
+import java.util.Objects;
+
+/**
+ * AMQP 消息管理类
+ *
+ * @author xiongxiaoyang
+ * @date 2022/5/25
+ */
+@Component
+@RequiredArgsConstructor
+public class AmqpMsgManager {
+
+    private final AmqpTemplate amqpTemplate;
+
+    @Value("${spring.amqp.enable}")
+    private String enableAmqp;
+
+    /**
+     * 发送小说信息改变消息
+     */
+    public void sendBookChangeMsg(Long bookId) {
+        if (Objects.equals(enableAmqp, CommonConsts.TRUE)) {
+            sendAmqpMessage(amqpTemplate, AmqpConsts.BookChangeMq.EXCHANGE_NAME, null, bookId);
+        }
+    }
+
+    private void sendAmqpMessage(AmqpTemplate amqpTemplate, String exchange, String routingKey, Object message) {
+        // 如果在事务中则在事务执行完成后再发送，否则可以直接发送
+        if (TransactionSynchronizationManager.isActualTransactionActive()) {
+            TransactionSynchronizationManager.registerSynchronization(new TransactionSynchronization() {
+                @Override
+                public void afterCommit() {
+                    amqpTemplate.convertAndSend(exchange, routingKey, message);
+                }
+            });
+            return;
+        }
+        amqpTemplate.convertAndSend(exchange, routingKey, message);
+    }
+
+}

src/main/java/io/github/xxyopen/novel/manager/redis/VerifyCodeManager.java

@@ -1,4 +1,4 @@
-package io.github.xxyopen.novel.manager;
+package io.github.xxyopen.novel.manager.redis;
 
 import io.github.xxyopen.novel.core.common.util.ImgVerifyCodeUtils;
 import io.github.xxyopen.novel.core.constant.CacheConsts;

src/main/java/io/github/xxyopen/novel/service/impl/AuthorServiceImpl.java

@@ -5,7 +5,7 @@ import io.github.xxyopen.novel.dao.entity.AuthorInfo;
 import io.github.xxyopen.novel.dao.mapper.AuthorInfoMapper;
 import io.github.xxyopen.novel.dto.AuthorInfoDto;
 import io.github.xxyopen.novel.dto.req.AuthorRegisterReqDto;
-import io.github.xxyopen.novel.manager.AuthorInfoCacheManager;
+import io.github.xxyopen.novel.manager.cache.AuthorInfoCacheManager;
 import io.github.xxyopen.novel.service.AuthorService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;

src/main/java/io/github/xxyopen/novel/service/impl/BookServiceImpl.java

@@ -15,7 +15,9 @@ import io.github.xxyopen.novel.dto.req.BookAddReqDto;
 import io.github.xxyopen.novel.dto.req.ChapterAddReqDto;
 import io.github.xxyopen.novel.dto.req.UserCommentReqDto;
 import io.github.xxyopen.novel.dto.resp.*;
-import io.github.xxyopen.novel.manager.*;
+import io.github.xxyopen.novel.manager.cache.*;
+import io.github.xxyopen.novel.manager.dao.UserDaoManager;
+import io.github.xxyopen.novel.manager.mq.AmqpMsgManager;
 import io.github.xxyopen.novel.service.BookService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -62,6 +64,8 @@ public class BookServiceImpl implements BookService {
 
     private final UserDaoManager userDaoManager;
 
+    private final AmqpMsgManager amqpMsgManager;
+
     private static final Integer REC_BOOK_COUNT = 4;
 
     @Override
@@ -335,6 +339,8 @@ public class BookServiceImpl implements BookService {
         bookInfoMapper.updateById(newBookInfo);
         //  b) 刷新小说信息缓存
         bookInfoCacheManager.cachePutBookInfo(dto.getBookId());
+        //  c) 发送小说信息更新的 MQ 消息
+        amqpMsgManager.sendBookChangeMsg(dto.getBookId());
         return RestResp.ok();
     }
 

src/main/java/io/github/xxyopen/novel/service/impl/HomeServiceImpl.java

@@ -3,8 +3,8 @@ package io.github.xxyopen.novel.service.impl;
 import io.github.xxyopen.novel.core.common.resp.RestResp;
 import io.github.xxyopen.novel.dto.resp.HomeBookRespDto;
 import io.github.xxyopen.novel.dto.resp.HomeFriendLinkRespDto;
-import io.github.xxyopen.novel.manager.FriendLinkCacheManager;
-import io.github.xxyopen.novel.manager.HomeBookCacheManager;
+import io.github.xxyopen.novel.manager.cache.FriendLinkCacheManager;
+import io.github.xxyopen.novel.manager.cache.HomeBookCacheManager;
 import io.github.xxyopen.novel.service.HomeService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;

src/main/java/io/github/xxyopen/novel/service/impl/NewsServiceImpl.java

@@ -8,7 +8,7 @@ import io.github.xxyopen.novel.dao.entity.NewsInfo;
 import io.github.xxyopen.novel.dao.mapper.NewsContentMapper;
 import io.github.xxyopen.novel.dao.mapper.NewsInfoMapper;
 import io.github.xxyopen.novel.dto.resp.NewsInfoRespDto;
-import io.github.xxyopen.novel.manager.NewsCacheManager;
+import io.github.xxyopen.novel.manager.cache.NewsCacheManager;
 import io.github.xxyopen.novel.service.NewsService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;

src/main/java/io/github/xxyopen/novel/service/impl/ResourceServiceImpl.java

@@ -6,7 +6,7 @@ import io.github.xxyopen.novel.core.common.exception.BusinessException;
 import io.github.xxyopen.novel.core.common.resp.RestResp;
 import io.github.xxyopen.novel.core.constant.SystemConfigConsts;
 import io.github.xxyopen.novel.dto.resp.ImgVerifyCodeRespDto;
-import io.github.xxyopen.novel.manager.VerifyCodeManager;
+import io.github.xxyopen.novel.manager.redis.VerifyCodeManager;
 import io.github.xxyopen.novel.service.ResourceService;
 import lombok.RequiredArgsConstructor;
 import lombok.SneakyThrows;

src/main/java/io/github/xxyopen/novel/service/impl/UserServiceImpl.java

@@ -20,7 +20,7 @@ import io.github.xxyopen.novel.dto.req.UserRegisterReqDto;
 import io.github.xxyopen.novel.dto.resp.UserInfoRespDto;
 import io.github.xxyopen.novel.dto.resp.UserLoginRespDto;
 import io.github.xxyopen.novel.dto.resp.UserRegisterRespDto;
-import io.github.xxyopen.novel.manager.VerifyCodeManager;
+import io.github.xxyopen.novel.manager.redis.VerifyCodeManager;
 import io.github.xxyopen.novel.service.UserService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;

src/main/resources/application.yml

@@ -11,15 +11,9 @@ spring:
     multipart:
       max-file-size: 5MB
 
-
-
 server:
   port: 8888
 
-
-
-
-
 ---
 spring:
   datasource:
@@ -30,10 +24,9 @@ spring:
     activate:
       on-profile: dev
 
-
-
 ---
 spring:
+  # Redis 配置
   redis:
     host: 127.0.0.1
     port: 6379
@@ -41,6 +34,7 @@ spring:
   config:
     activate:
       on-profile: dev
+  # Elasticsearch 配置
   elasticsearch:
     # 是否开启 elasticsearch 搜索引擎功能：true-开启 false-不开启
     enable: false
@@ -48,6 +42,21 @@ spring:
       - https://my-deployment-ce7ca3.es.us-central1.gcp.cloud.es.io:9243
     username: elastic
     password: qTjgYVKSuExX6tWAsDuvuvwl
+  amqp:
+    # 是否开启 Spring AMQP：true-开启 false-不开启
+    enable: false
+  # RabbitMQ 配置
+  rabbitmq:
+    addresses: "amqp://guest:guest@47.106.243.172"
+    virtual-host: novel
+    template:
+      retry:
+        # 开启重试
+        enabled: true
+        # 最大重试次数
+        max-attempts: 3
+        # 第一次和第二次重试之间的持续时间
+        initial-interval: "3s"
 
 ---
 spring: