From c26092c422c4b72fa5d51a38f6de1b48ab1ccd87 Mon Sep 17 00:00:00 2001
From: mitao <2763622819@qq.com>
Date: 星期一, 27 五月 2024 15:53:36 +0800
Subject: [PATCH] 提交普通拍品、资讯文章、商城商品收藏基础代码
---
ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java | 207 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 205 insertions(+), 2 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 6bd8d67..d44a70c 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
@@ -1,10 +1,42 @@
package com.ruoyi.goods.service.impl;
-import com.ruoyi.goods.domain.pojo.GoodsSeckill;
+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.ListingStatusEnum;
+import com.ruoyi.common.core.enums.StartStatusEnum;
+import com.ruoyi.common.core.exception.ServiceException;
+import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.common.core.utils.page.BeanUtils;
+import com.ruoyi.common.core.utils.page.PageDTO;
+import com.ruoyi.common.redis.service.RedisService;
+import com.ruoyi.goods.controller.management.dto.GoodsSeckillDTO;
+import com.ruoyi.goods.controller.management.dto.GoodsSeckillQuery;
+import com.ruoyi.goods.controller.management.dto.GoodsSeckillUpd;
+import com.ruoyi.goods.controller.management.vo.GoodsSeckillVO;
import com.ruoyi.goods.mapper.GoodsSeckillMapper;
import com.ruoyi.goods.service.IGoodsSeckillService;
-import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.ruoyi.goods.service.IGoodsSkuService;
+import com.ruoyi.goods.service.async.AsyncMethodService;
+import com.ruoyi.system.api.constants.DelayTaskEnum;
+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>
@@ -14,7 +46,178 @@
* @author mitao
* @since 2024-05-16
*/
+@Slf4j
@Service
+@RequiredArgsConstructor
public class GoodsSeckillServiceImpl extends ServiceImpl<GoodsSeckillMapper, GoodsSeckill> implements IGoodsSeckillService {
+ private final IGoodsSkuService goodsSkuService;
+ private final OrderClient orderClient;
+ 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) {
+ List<GoodsSeckill> goodsSeckills = BeanUtils.copyList(dto.getGoodsSkuList(),
+ GoodsSeckill.class);
+ for (GoodsSeckill goodsSeckill : goodsSeckills) {
+ goodsSeckill.setShareTitle(dto.getShareTitle());
+ goodsSeckill.setSharePic(dto.getSharePic());
+ goodsSeckill.setStartTime(dto.getStartTime());
+ goodsSeckill.setEndTime(dto.getEndTime());
+ goodsSeckill.setStartStatus(StartStatusEnum.NOT_STARTED);
+ }
+ this.saveBatch(goodsSeckills);
+
+ for (GoodsSeckill goodsSeckill : goodsSeckills) {
+ GoodsSku goodsSku = goodsSkuService.getById(goodsSeckill.getGoodsSkuId());
+ if (StringUtils.isNull(goodsSku)) {
+ throw new ServiceException("商品不存在");
+ }
+ Integer seckillStock = goodsSeckill.getSeckillStock();
+ goodsSkuService.lambdaUpdate()
+ .set(GoodsSku::getStock, goodsSku.getStock() - seckillStock)
+ .ge(GoodsSku::getStock, seckillStock)
+ .eq(GoodsSku::getId, goodsSku.getId());
+ asyncMethodService.seckillScheduleTask(goodsSeckill);
+ }
+ }
+
+
+ /**
+ * 获取秒杀商品列表的分页数据
+ *
+ * @param query 秒杀商品查询对象
+ * @return PageDTO<GoodsSeckillVO>
+ */
+ @Override
+ public PageDTO<GoodsSeckillVO> getGoodsSeckillPage(GoodsSeckillQuery query) {
+ return PageDTO.of(baseMapper.getGoodsSeckillPage(query.getGoodsSkuName(),
+ new Page<>(query.getPageCurr(), query.getPageSize())
+ ));
+ }
+
+ /**
+ * 修改秒杀商品
+ *
+ * @param upd 商品秒杀数据传输对象
+ */
+ @Override
+ @Transactional(rollbackFor = Exception.class)
+ public void updGoodsSeckill(GoodsSeckillUpd upd) {
+ //查询秒杀商品
+ GoodsSeckill goodsSeckill = this.getById(upd.getId());
+ if (StringUtils.isNull(goodsSeckill)) {
+ throw new ServiceException("秒杀商品不存在");
+ }
+ if (goodsSeckill.getStartStatus().equals(StartStatusEnum.STARTED)) {
+ throw new ServiceException("秒杀商品已开始秒杀，不能修改");
+ }
+ GoodsSeckill goodsSeckillUpd = BeanUtils.copyBean(upd, GoodsSeckill.class);
+ this.updateById(goodsSeckillUpd);
+ asyncMethodService.seckillScheduleTask(goodsSeckill);
+ }
+
+ /**
+ * 上架/下架 秒杀商品
+ *
+ * @param dto 商品上下架状态对象
+ */
+ @Override
+ public void updStatus(ListStatusDTO dto) {
+ GoodsSeckill goodsSeckill = this.getById(dto.getId());
+ if (StringUtils.isNull(goodsSeckill)) {
+ throw new ServiceException("秒杀商品不存在");
+ }
+ this.lambdaUpdate()
+ .eq(GoodsSeckill::getId, dto.getId())
+ .set(GoodsSeckill::getListingStatus, dto.getListingStatus())
+ .update();
+ if (dto.getListingStatus().equals(ListingStatusEnum.REMOVED_FROM_THE_SHELF)) {
+ //移除该秒杀商品的延时任务
+ redisService.deleteObject(
+ DelayTaskEnum.SECKILL_START_TASK.getCode() + "-" + goodsSeckill.getId());
+ redisService.deleteObject(
+ DelayTaskEnum.SECKILL_END_TASK.getCode() + "-" + goodsSeckill.getId());
+ }
+ }
+
+ /**
+ * 查看详情
+ *
+ * @param id 秒杀商品id
+ * @return GoodsSeckillVO 商品秒杀视图对象
+ */
+ @Override
+ public GoodsSeckillVO getDetail(Long id) {
+ GoodsSeckill goodsSeckill = this.getById(id);
+ if (StringUtils.isNull(goodsSeckill)) {
+ throw new ServiceException("秒杀商品不存在");
+ }
+ GoodsSeckillVO vo = BeanUtils.copyBean(goodsSeckill, GoodsSeckillVO.class);
+ GoodsSku goods = goodsSkuService.getById(goodsSeckill.getGoodsSkuId());
+ Optional.of(goods).ifPresent(goodsSku -> vo.setGoodsSkuName(goodsSku.getSkuName()));
+ Integer num = orderClient.getSeckillMembers(goodsSeckill.getGoodsSkuId()).getData();
+ vo.setNumberOfPurchasedMembers(num);
+ return vo;
+ }
+
+ /**
+ * 开始秒杀
+ *
+ * @param seckillId 秒杀id
+ */
+ @Override
+ 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
+ if (StringUtils.isNotNull(goodsSeckill)
+ && goodsSeckill.getStartStatus().equals(StartStatusEnum.NOT_STARTED)) {
+ //开始秒杀
+ this.lambdaUpdate().set(GoodsSeckill::getStartStatus, StartStatusEnum.STARTED)
+ .eq(GoodsSeckill::getId, seckillId).update();
+// 将秒杀商品放入缓存
+ redisService.setCacheObject(
+ CacheConstants.SECKILL_GOODS + goodsSeckill.getId(),
+ goodsSeckill.getSeckillStock());
+ }
+ //推送秒杀开始消息
+ 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);
+ }
+
+ /**
+ * 结束秒杀
+ *
+ * @param seckillId 秒杀id
+ */
+ @Override
+ public void endSeckill(Long seckillId) throws JsonProcessingException {
+ log.info(">>>>>>>>>>>>>>>>>>>>{}秒杀结束<<<<<<<<<<<<<<<<<<<<", seckillId);
+ GoodsSeckill goodsSeckill = this.getById(seckillId);
+ if (StringUtils.isNotNull(goodsSeckill)
+ && goodsSeckill.getStartStatus().equals(StartStatusEnum.STARTED)) {
+ //结束秒杀
+ this.lambdaUpdate().set(GoodsSeckill::getStartStatus, StartStatusEnum.ENDED)
+ .eq(GoodsSeckill::getId, seckillId).update();
+// 将秒杀商品从缓存中移除
+ redisService.deleteObject(CacheConstants.SECKILL_GOODS + goodsSeckill.getId());
+ }
+ 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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