package com.ruoyi.goods.service.impl;
|
|
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.SecurityConstants;
|
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.domain.GoodsGroupPurchase;
|
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.GoodsSku;
|
import com.ruoyi.system.api.domain.Order;
|
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.feignClient.OrderClient;
|
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 lombok.RequiredArgsConstructor;
|
import lombok.extern.slf4j.Slf4j;
|
import org.springframework.stereotype.Service;
|
import util.WebSocketUsers;
|
|
/**
|
* <p>
|
* 商品团购表 服务实现类
|
* </p>
|
*
|
* @author mitao
|
* @since 2024-05-16
|
*/
|
@Slf4j
|
@Service
|
@RequiredArgsConstructor
|
public class GoodsGroupPurchaseServiceImpl extends ServiceImpl<GoodsGroupPurchaseMapper, GoodsGroupPurchase> implements IGoodsGroupPurchaseService {
|
|
private final 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");
|
}
|
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");
|
}
|
int originGroupStock = groupPurchase.getLimitNumber() * groupPurchase.getGroupSize();
|
GoodsSku goodsSku = goodsSkuService.getById(dto.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(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)) {
|
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("message_type", "start");
|
String msg = objectMapper.writeValueAsString(map);
|
WebSocketUsers.sendMessageToUsersByText(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)) {
|
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("message_type", "end");
|
String msg = objectMapper.writeValueAsString(map);
|
WebSocketUsers.sendMessageToUsersByText(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();
|
}
|
}
|
}
|
