1.提交【管理后台】团购、拍卖商品立即结束退款处理 2.提交【管理后台】拍卖场管理部分接口

mitao

2024-05-29 855921d253a4854d4fb78b83bfcf7c6e93b3f68d

 ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsSeckillServiceImpl.java

@@ -2,28 +2,42 @@

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.constant.SecurityConstants;
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.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.DTO.GoodsSkuInfoDTO;
import com.ruoyi.goods.controller.management.VO.GoodsSeckillVO;
import com.ruoyi.goods.domain.GoodsSeckill;
import com.ruoyi.goods.domain.GoodsSku;
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.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>
@@ -40,11 +54,14 @@

    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<GoodsSkuInfoDTO> goodsSkuList = dto.getGoodsSkuList();
        List<GoodsSeckill> goodsSeckills = BeanUtils.copyList(dto.getGoodsSkuList(),
                GoodsSeckill.class);
        for (GoodsSeckill goodsSeckill : goodsSeckills) {
@@ -55,20 +72,33 @@
            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
     * @return PageDTO<GoodsSeckillVO>
     */
    @Override
    public PageDTO<GoodsSeckillVO> getGoodsSeckillPage(GoodsSeckillQuery query) {
        Page<GoodsSeckillVO> page = baseMapper.getGoodsSeckillPage(query.getGoodsSkuName(),
                new Page<GoodsSeckillVO>(query.getPageCurr(), query.getPageSize())
        );
        return PageDTO.of(page);
        return PageDTO.of(baseMapper.getGoodsSeckillPage(query.getGoodsSkuName(),
                new Page<>(query.getPageCurr(), query.getPageSize())
        ));
    }

    /**
@@ -77,14 +107,19 @@
     * @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 RuntimeException("秒杀商品不存在");
            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);
    }

    /**
@@ -94,25 +129,97 @@
     */
    @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 RuntimeException("秒杀商品不存在");
            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.getId()).getData();
        Optional.of(goods).ifPresent(goodsSku -> vo.setGoodsSkuName(goodsSku.getSkuName()));
        Integer num = orderClient.getSeckillMembers(goodsSeckill.getGoodsSkuId(),
                SecurityConstants.INNER).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);
    }
}