From 3af957a67cf00b8d64eb61406df1f8b8072cb08c Mon Sep 17 00:00:00 2001
From: mitao <2763622819@qq.com>
Date: 星期一, 27 五月 2024 11:19:53 +0800
Subject: [PATCH] 修改秒杀/团购 websocket消息推送
---
ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java | 31 +++++++++++++++++++++++++------
1 files changed, 25 insertions(+), 6 deletions(-)
diff --git a/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java b/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java
index 8cf04e0..60955b8 100644
--- a/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java
+++ b/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java
@@ -2,6 +2,8 @@
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
import com.ruoyi.common.core.constant.CacheConstants;
import com.ruoyi.common.core.enums.StartStatusEnum;
import com.ruoyi.common.core.exception.ServiceException;
@@ -17,18 +19,22 @@
import com.ruoyi.goods.service.IGoodsSeckillService;
import com.ruoyi.goods.service.IGoodsSkuService;
import com.ruoyi.goods.service.async.AsyncMethodService;
-import com.ruoyi.system.api.WebSocketUsers;
+import com.ruoyi.system.api.constants.NotificationTypeConstant;
import com.ruoyi.system.api.domain.GoodsSeckill;
import com.ruoyi.system.api.domain.GoodsSku;
import com.ruoyi.system.api.domain.dto.ListStatusDTO;
import com.ruoyi.system.api.feignClient.OrderClient;
import com.ruoyi.system.api.feignClient.SysUserClient;
+import java.time.LocalDateTime;
import java.util.List;
+import java.util.Map;
import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
+import util.WebSocketUsers;
/**
* <p>
@@ -48,6 +54,8 @@
private final RedisService redisService;
private final SysUserClient sysUserClient;
private final AsyncMethodService asyncMethodService;
+ // 创建一个静态共享的ObjectMapper实例以重用
+ private static final ObjectMapper objectMapper = new ObjectMapper();
@Override
@Transactional(rollbackFor = Exception.class)
public void addGoodsSeckill(GoodsSeckillDTO dto) {
@@ -147,7 +155,7 @@
* @param seckillId 秒杀id
*/
@Override
- public void startSeckill(Long seckillId) {
+ public void startSeckill(Long seckillId) throws JsonProcessingException {
log.info(">>>>>>>>>>>>>>>>>>>>{}秒杀开始<<<<<<<<<<<<<<<<<<<<", seckillId);
GoodsSeckill goodsSeckill = this.getById(seckillId);
//秒杀商品不能为空且状态为未开始
@@ -162,7 +170,13 @@
goodsSeckill.getSeckillStock());
}
//推送秒杀开始消息
- WebSocketUsers.sendMessageToUsersByText("秒杀活动已开始");
+ Map<String, Object> map = new ConcurrentHashMap<>();
+ map.put("notification_type", NotificationTypeConstant.SECKILL);
+ map.put("notification_time", LocalDateTime.now());
+ map.put("message_type", "start");
+ String msg = objectMapper.writeValueAsString(map);
+ WebSocketUsers.sendMessageToUsersByText(msg);
+ log.info("===================>发送websocket通知，消息体{}", msg);
}
/**
@@ -171,7 +185,7 @@
* @param seckillId 秒杀id
*/
@Override
- public void endSeckill(Long seckillId) {
+ public void endSeckill(Long seckillId) throws JsonProcessingException {
log.info(">>>>>>>>>>>>>>>>>>>>{}秒杀结束<<<<<<<<<<<<<<<<<<<<", seckillId);
GoodsSeckill goodsSeckill = this.getById(seckillId);
if (StringUtils.isNotNull(goodsSeckill)
@@ -182,7 +196,12 @@
// 将秒杀商品从缓存中移除
redisService.deleteObject(CacheConstants.SECKILL_GOODS + goodsSeckill.getId());
}
- //TODO websocket 推送秒杀结束消息
- WebSocketUsers.sendMessageToUsersByText("秒杀活动已结束");
+ Map<String, Object> map = new ConcurrentHashMap<>();
+ map.put("notification_type", NotificationTypeConstant.SECKILL);
+ map.put("notification_time", LocalDateTime.now());
+ map.put("message_type", "end");
+ String msg = objectMapper.writeValueAsString(map);
+ WebSocketUsers.sendMessageToUsersByText(msg);
+ log.info("===================>发送websocket通知，消息体{}", msg);
}
}
--
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