用户端商品

rentaiming

2024-06-13 fe2d5b14031edbe43238770fb1fc21e8a322b51a

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

@@ -1,9 +1,53 @@
package com.ruoyi.goods.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.goods.domain.GoodsGroupPurchase;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.Lists;
import com.ruoyi.common.core.constant.SecurityConstants;
import com.ruoyi.common.core.enums.ClientTypeEnum;
import com.ruoyi.common.core.enums.GroupStatusEnum;
import com.ruoyi.common.core.enums.ListingStatusEnum;
import com.ruoyi.common.core.enums.OrderStatusEnum;
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.GoodsGroupPurchaseDTO;
import com.ruoyi.goods.controller.management.dto.GoodsGroupPurchaseQuery;
import com.ruoyi.goods.controller.management.vo.GoodsGroupPurchaseVO;
import com.ruoyi.goods.mapper.GoodsGroupPurchaseMapper;
import com.ruoyi.goods.service.IGoodsGroupPurchaseService;
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.GoodsGroupPurchase;
import com.ruoyi.system.api.domain.GoodsSku;
import com.ruoyi.system.api.domain.Order;
import com.ruoyi.system.api.domain.dto.HomeGoodsSkuDTO;
import com.ruoyi.system.api.domain.dto.ListStatusDTO;
import com.ruoyi.system.api.domain.dto.OrderUpdDTO;
import com.ruoyi.system.api.domain.dto.RefundDTO;
import com.ruoyi.system.api.domain.vo.GoodsGroupPurchaseInfoVO;
import com.ruoyi.system.api.domain.vo.OrderVO;
import com.ruoyi.system.api.domain.vo.WdGoodsGroupPurchaseVO;
import com.ruoyi.system.api.feignClient.OrderClient;
import com.ruoyi.system.api.util.WebSocketUsers;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
import javax.annotation.Resource;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

/**
@@ -14,7 +58,344 @@
 * @author mitao
 * @since 2024-05-16
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class GoodsGroupPurchaseServiceImpl extends ServiceImpl<GoodsGroupPurchaseMapper, GoodsGroupPurchase> implements IGoodsGroupPurchaseService {

    @Resource
    private OrderClient orderClient;
    private final IGoodsSkuService goodsSkuService;
    private final AsyncMethodService asyncMethodService;
    private final RedisService redisService;
    // 创建一个静态共享的ObjectMapper实例以重用
    private static final ObjectMapper objectMapper = new ObjectMapper();
    /**
     * 获取团购商品列表的分页数据
     *
     * @param query 团购商品查询对象
     * @return PageDTO < GoodsGroupPurchaseVO>
     */
    @Override
    public PageDTO<GoodsGroupPurchaseVO> getGoodsGroupPurchasePage(GoodsGroupPurchaseQuery query) {
        return PageDTO.of(
                baseMapper.getGoodsGroupPurchasePage(query.getGoodsSkuName(),
                        new Page<>(query.getPageCurr(), query.getPageSize())));
    }

    /**
     * 添加/编辑 团购商品
     *
     * @param dto 团购商品数据传输对象
     */
    @Override
    public void saveGoodsGroupPurchase(GoodsGroupPurchaseDTO dto) {
        GoodsGroupPurchase goodsGroupPurchase = BeanUtils.copyBean(dto, GoodsGroupPurchase.class);
        if (StringUtils.isNull(dto.getId())) {
            if (StringUtils.isNull(dto.getGoodsSkuId())) {
                throw new ServiceException("商品id不能为空");
            }
            LambdaQueryWrapper<GoodsGroupPurchase> queryWrapper = Wrappers.lambdaQuery();
            queryWrapper.eq(GoodsGroupPurchase::getGoodsSkuId, dto.getGoodsSkuId());
            queryWrapper.eq(GoodsGroupPurchase::getListingStatus,
                    ListingStatusEnum.ON_SHELVES.getCode());
            queryWrapper.between(GoodsGroupPurchase::getStartTime, dto.getStartTime(),
                    dto.getEndTime());
            List<GoodsGroupPurchase> list = this.list(queryWrapper);
            if (StringUtils.isNotEmpty(list)) {
                throw new ServiceException("添加失败，当前商品在该时间段内有其他团购活动");
            }
            this.save(goodsGroupPurchase);
            GoodsSku goodsSku = goodsSkuService.getById(dto.getGoodsSkuId());
            if (StringUtils.isNull(goodsSku)) {
                throw new ServiceException("商品不存在");
            }
            int groupPurchaseStock = dto.getLimitNumber() * dto.getGroupSize();
            goodsSkuService.lambdaUpdate()
                    .set(GoodsSku::getStock, goodsSku.getStock() - groupPurchaseStock)
                    .ge(GoodsSku::getStock, groupPurchaseStock)
                    .eq(GoodsSku::getId, goodsSku.getId());
        } else {
            GoodsGroupPurchase groupPurchase = this.getById(dto.getId());
            if (StringUtils.isNull(groupPurchase)) {
                throw new ServiceException("团购商品不存在");
            }
            if (groupPurchase.getStartStatus().equals(StartStatusEnum.STARTED)) {
                throw new ServiceException("已开始的团购商品不能编辑");
            }
            if (groupPurchase.getStartStatus().equals(StartStatusEnum.ENDED)) {
                throw new ServiceException("已结束的团购商品不能编辑");
            }
            int originGroupStock = groupPurchase.getLimitNumber() * groupPurchase.getGroupSize();
            GoodsSku goodsSku = goodsSkuService.getById(groupPurchase.getGoodsSkuId());
            if (StringUtils.isNull(goodsSku)) {
                throw new ServiceException("商品不存在");
            }
            int groupPurchaseStock = dto.getLimitNumber() * dto.getGroupSize();
            int latestStock = originGroupStock - groupPurchaseStock;
            goodsSkuService.lambdaUpdate()
                    .set(GoodsSku::getStock,
                            goodsSku.getStock() + latestStock)
                    .ge(GoodsSku::getStock, latestStock)
                    .eq(GoodsSku::getId, goodsSku.getId());
            this.updateById(goodsGroupPurchase);
            asyncMethodService.groupPurchaseScheduleTask(Lists.newArrayList(goodsGroupPurchase));
        }
    }

    /**
     * 查看详情
     *
     * @param id 团购商品id
     * @return GoodsGroupPurchaseVO 团购商品视图对象
     */
    @Override
    public GoodsGroupPurchaseVO getGoodsGroupPurchaseDetail(Long id) {
        GoodsGroupPurchase groupPurchase = this.getById(id);
        if (StringUtils.isNull(groupPurchase)) {
            throw new ServiceException("团购商品不存在");
        }
        GoodsGroupPurchaseVO vo = BeanUtils.copyBean(groupPurchase,
                GoodsGroupPurchaseVO.class);
        //远程调用订单服务查询商品购买总数
        Integer num = orderClient.getGroupPurchasesGoodsNum(groupPurchase.getId(),
                SecurityConstants.INNER).getData();
        vo.setBuyNumber(num);
        return vo;
    }

    /**
     * 下架/上架 团购商品
     *
     * @param dto 商品上下架状态对象
     */
    @Override
    public void updStatus(ListStatusDTO dto) {
        GoodsGroupPurchase groupPurchase = this.getById(dto.getId());
        if (StringUtils.isNull(groupPurchase)) {
            throw new ServiceException("团购商品不存在");
        }
        //判断商品状态
        if (dto.getListingStatus().equals(ListingStatusEnum.REMOVED_FROM_THE_SHELF)) {
            if (groupPurchase.getStartStatus().equals(StartStatusEnum.STARTED)) {
                throw new ServiceException("该商品已开始团购，不能下架");
            }
            //移除该团购商品延时任务
            redisService.deleteObject(DelayTaskEnum.GROUP_PURCHASES_START_TASK.getCode() + "-"
                    + groupPurchase.getId());
            redisService.deleteObject(
                    DelayTaskEnum.GROUP_PURCHASES_END_TASK.getCode() + "-" + groupPurchase.getId());
        }
        //修改状态
        groupPurchase.setListingStatus(dto.getListingStatus());
        this.updateById(groupPurchase);
    }

    /**
     * 团购商品开始团购
     *
     * @param groupPurchaseId 团购商品id
     */
    @Override
    public void startGroupPurchase(Long groupPurchaseId) throws JsonProcessingException {
        log.info(">>>>>>>>>>>>>>>>>>>>{}团购商品开始团购<<<<<<<<<<<<<<<<<<<<", groupPurchaseId);
        GoodsGroupPurchase groupPurchase = this.getById(groupPurchaseId);
        if (StringUtils.isNotNull(groupPurchase) && groupPurchase.getStartStatus()
                .equals(StartStatusEnum.NOT_STARTED) && groupPurchase.getListingStatus()
                .equals(ListingStatusEnum.ON_SHELVES)) {
            this.lambdaUpdate().set(GoodsGroupPurchase::getStartStatus, StartStatusEnum.STARTED)
                    .eq(GoodsGroupPurchase::getId, groupPurchaseId).update();
            Map<String, Object> map = new ConcurrentHashMap<>();
            map.put("notification_type", NotificationTypeConstant.GROUP_PURCHASE);
            map.put("notification_time", LocalDateTime.now());
            map.put("target_id", groupPurchaseId);
            map.put("message_type", "start");
            String msg = objectMapper.writeValueAsString(map);
            WebSocketUsers.sendMessageToUsersByType(ClientTypeEnum.MEMBER.getCode(), msg);
            log.info("===================>发送websocket通知，消息体{}", msg);
        }
    }

    /**
     * 团购商品结束团购
     *
     * @param groupPurchaseId 团购商品id
     */
    @Override
    public void endGroupPurchase(Long groupPurchaseId) throws JsonProcessingException {
        log.info(">>>>>>>>>>>>>>>>>>>>{}团购商品结束团购<<<<<<<<<<<<<<<<<<<<", groupPurchaseId);
        GoodsGroupPurchase groupPurchase = this.getById(groupPurchaseId);
        if (StringUtils.isNotNull(groupPurchase) && groupPurchase.getStartStatus()
                .equals(StartStatusEnum.STARTED)) {
            this.lambdaUpdate().set(GoodsGroupPurchase::getStartStatus, StartStatusEnum.ENDED)
                    .eq(GoodsGroupPurchase::getId, groupPurchaseId).update();
            Map<String, Object> map = new ConcurrentHashMap<>();
            map.put("notification_type", NotificationTypeConstant.GROUP_PURCHASE);
            map.put("notification_time", LocalDateTime.now());
            map.put("target_id", groupPurchaseId);
            map.put("message_type", "end");
            String msg = objectMapper.writeValueAsString(map);
            WebSocketUsers.sendMessageToUsersByType(ClientTypeEnum.MEMBER.getCode(), msg);
            log.info("===================>发送websocket通知，消息体{}", msg);
        }
    }

    /**
     * 立即结束
     *
     * @param id 团购商品id
     */
    @Override
    public void stopImmediately(Long id) {
        GoodsGroupPurchase groupPurchase = this.getById(id);
        if (StringUtils.isNull(groupPurchase)) {
            throw new ServiceException("团购商品不存在");
        }
        //判断商品状态，未成团则查询关联订单，进行退款；成团就直接修改状态
        if (groupPurchase.getGroupStatus().equals(GroupStatusEnum.TO_FORM_A_GROUP)) {
            //查询关联订单
            List<Order> orderList = orderClient.getOrderByGroupPurchaseId(id,
                    SecurityConstants.INNER).getData();

            List<RefundDTO> refundDTOList = orderList.stream().map(order -> {
                RefundDTO refundDTO = new RefundDTO();
                refundDTO.setOrderNo(order.getOrderNo());
                refundDTO.setAmount(order.getTotalAmount());
                return refundDTO;
            }).collect(Collectors.toList());
            Map<String, Object> data = orderClient.refund(refundDTOList,
                    SecurityConstants.INNER).getData();
            if (StringUtils.isNotEmpty(data)) {
                // 处理退款返回结果
                List<String> successfulOrders = new ArrayList<>();
                List<String> failedOrders = new ArrayList<>();

                data.forEach((key, value) -> {
                    if ((boolean) value) {
                        successfulOrders.add(key);
                    } else {
                        failedOrders.add(key);
                    }
                });
                // 处理退款结果
                List<Order> updateOrderList = orderList.stream()
                        .filter(order -> successfulOrders.contains(order.getOrderNo()))
                        .peek(order -> {
                            order.setOrderStatus(OrderStatusEnum.CANCELED);
                        }).collect(Collectors.toList());
                List<OrderUpdDTO> orderUpdDTOS = BeanUtils.copyList(updateOrderList,
                        OrderUpdDTO.class);
                orderClient.updateOrderList(orderUpdDTOS, SecurityConstants.INNER);
            }
        } else {
            this.lambdaUpdate()
                    .set(GoodsGroupPurchase::getStartStatus, StartStatusEnum.ENDED)
                    .eq(GoodsGroupPurchase::getId, id).update();
        }
    }

    @Override
    public GoodsGroupPurchaseInfoVO getGoodsGroupPurchaseInfo(HomeGoodsSkuDTO homeGoodsSkuDTO) {
        GoodsSku byId = goodsSkuService.getById(homeGoodsSkuDTO.getGoodsSkuId());
        LambdaQueryWrapper<GoodsGroupPurchase> wrapper3= Wrappers.lambdaQuery();
        wrapper3.eq(GoodsGroupPurchase::getDelFlag,0);
        wrapper3.eq(GoodsGroupPurchase::getGoodsSkuId,homeGoodsSkuDTO.getGoodsSkuId());
        GoodsGroupPurchase one = this.getOne(wrapper3);
        GoodsGroupPurchaseInfoVO  goodsGroupPurchaseInfoVO=new GoodsGroupPurchaseInfoVO();
        goodsGroupPurchaseInfoVO.setGoodsSkuId(one.getId());
        goodsGroupPurchaseInfoVO.setGoodsSkuName(byId.getSkuName());
        goodsGroupPurchaseInfoVO.setYears(String.valueOf(byId.getYears().getYear()));
        goodsGroupPurchaseInfoVO.setCoverPic(byId.getCoverPic());
        goodsGroupPurchaseInfoVO.setPrice(byId.getPrice());
        goodsGroupPurchaseInfoVO.setShareTitle(byId.getShareTitle());
        goodsGroupPurchaseInfoVO.setSharePic(byId.getSharePic());
        goodsGroupPurchaseInfoVO.setGroupPurchasePrice(one.getGroupPurchasePrice());
        goodsGroupPurchaseInfoVO.setGroupSize(one.getGroupSize());
        goodsGroupPurchaseInfoVO.setLimitNumber(one.getLimitNumber());
        goodsGroupPurchaseInfoVO.setStartTime(one.getStartTime());
        goodsGroupPurchaseInfoVO.setEndTime(one.getEndTime());
        goodsGroupPurchaseInfoVO.setDescription(one.getDescription());
        goodsGroupPurchaseInfoVO.setStartStatus(one.getStartStatus());
        goodsGroupPurchaseInfoVO.setListingStatus(one.getListingStatus());
        goodsGroupPurchaseInfoVO.setGroupStatus(one.getGroupStatus());

        Order data = orderClient.getOrderByGroupPurchaseMemberId(homeGoodsSkuDTO, SecurityConstants.INNER).getData();
        if (data!=null){
            goodsGroupPurchaseInfoVO.setIsGoodsGroupPurchase(2);
        }else{
            goodsGroupPurchaseInfoVO.setIsGoodsGroupPurchase(1);
        }

        return goodsGroupPurchaseInfoVO;
    }

    @Override
    public void QxGoodsGroupPurchase(HomeGoodsSkuDTO homeGoodsSkuDTO) {
        Order order1 = orderClient.getOrderByGroupPurchaseMemberId(homeGoodsSkuDTO, SecurityConstants.INNER).getData();
        RefundDTO refundDTO = new RefundDTO();
        refundDTO.setOrderNo(order1.getOrderNo());
        refundDTO.setAmount(order1.getTotalAmount());

        List<RefundDTO>refundDTOList=new ArrayList<>();
        refundDTOList.add(refundDTO);

        List<Order> orderList=new ArrayList<>();
        orderList.add(order1);

        Map<String, Object> data = orderClient.refund(refundDTOList,
                SecurityConstants.INNER).getData();
        if (StringUtils.isNotEmpty(data)) {
            // 处理退款返回结果
            List<String> successfulOrders = new ArrayList<>();
            List<String> failedOrders = new ArrayList<>();

            data.forEach((key, value) -> {
                if ((boolean) value) {
                    successfulOrders.add(key);
                } else {
                    failedOrders.add(key);
                }
            });
            // 处理退款结果
            List<Order> updateOrderList = orderList.stream()
                    .filter(order -> successfulOrders.contains(order.getOrderNo()))
                    .peek(order -> {
                        order.setOrderStatus(OrderStatusEnum.CANCELED);
                    }).collect(Collectors.toList());
            List<OrderUpdDTO> orderUpdDTOS = BeanUtils.copyList(updateOrderList,
                    OrderUpdDTO.class);
            orderClient.updateOrderList(orderUpdDTOS, SecurityConstants.INNER);
        }

    }

    @Override
    public PageDTO<WdGoodsGroupPurchaseVO> CtjlGoodsGroupPurchase(HomeGoodsSkuDTO homeGoodsSkuDTO) {
        List<OrderVO> data = orderClient.getOrderByGroupPurchaseMemberList(homeGoodsSkuDTO, SecurityConstants.INNER).getData();
        List<Long> goodsSkuIdList = data.stream()
                .map(OrderVO::getGoodsSkuId)
                .collect(Collectors.toList());
        Page<GoodsGroupPurchase> page = new Page<>(homeGoodsSkuDTO.getPageCurr(), homeGoodsSkuDTO.getPageSize());
        LambdaQueryWrapper< GoodsGroupPurchase> wrapper= Wrappers.lambdaQuery();
        if (homeGoodsSkuDTO.getSkuName()!=null){
            wrapper.in(GoodsGroupPurchase::getId,goodsSkuIdList);
        }
        wrapper.eq(GoodsGroupPurchase::getListingStatus,0);
        wrapper.eq( GoodsGroupPurchase::getDelFlag,0);
        Page< GoodsGroupPurchase> page1 = this.page(page, wrapper);

        PageDTO<WdGoodsGroupPurchaseVO> GoodsGroupPurchaseVOPageDTO = PageDTO.of(page1, WdGoodsGroupPurchaseVO.class);
        List<WdGoodsGroupPurchaseVO> list2 = GoodsGroupPurchaseVOPageDTO.getList();
        for (WdGoodsGroupPurchaseVO goodsGroupPurchaseeVO:list2) {
            GoodsSku byId = goodsSkuService.getById(goodsGroupPurchaseeVO.getGoodsSkuId());
            goodsGroupPurchaseeVO.setGoodsSkuName(byId.getSkuName());
            goodsGroupPurchaseeVO.setCoverPic(byId.getCoverPic());
            goodsGroupPurchaseeVO.setPrice(byId.getPrice());
            goodsGroupPurchaseeVO.setYears(String.valueOf(byId.getYears().getYear()));
            goodsGroupPurchaseeVO.setIsGoodsGroupPurchase(2);
        }


        return GoodsGroupPurchaseVOPageDTO;
    }
}