package cn.lili.modules.order.order.serviceimpl; import cn.hutool.json.JSONUtil; import cn.lili.cache.Cache; import cn.lili.cache.CachePrefix; import cn.lili.common.enums.ResultCode; import cn.lili.common.event.TransactionCommitSendMQEvent; import cn.lili.common.exception.ServiceException; import cn.lili.common.properties.RocketmqCustomProperties; import cn.lili.modules.goods.entity.enums.GoodsTypeEnum; import cn.lili.modules.member.entity.dos.MemberAddress; import cn.lili.modules.member.entity.enums.PointTypeEnum; import cn.lili.modules.member.service.MemberService; import cn.lili.modules.order.cart.entity.dto.MemberCouponDTO; import cn.lili.modules.order.cart.entity.dto.TradeDTO; import cn.lili.modules.order.cart.entity.enums.CartTypeEnum; import cn.lili.modules.order.cart.entity.enums.DeliveryMethodEnum; import cn.lili.modules.order.cart.entity.vo.CartVO; import cn.lili.modules.order.order.entity.dos.Order; import cn.lili.modules.order.order.entity.dos.Trade; import cn.lili.modules.order.order.entity.enums.PayStatusEnum; import cn.lili.modules.order.order.mapper.TradeMapper; import cn.lili.modules.order.order.service.OrderService; import cn.lili.modules.order.order.service.TradeService; import cn.lili.modules.promotion.service.CouponService; import cn.lili.modules.promotion.service.KanjiaActivityService; import cn.lili.modules.promotion.service.MemberCouponService; import cn.lili.rocketmq.tags.OrderTagsEnum; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.ApplicationEventPublisher; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.stream.Collectors; /** * 交易业务层实现 * * @author Chopper * @since 2020/11/17 7:39 下午 */ @Service public class TradeServiceImpl extends ServiceImpl<TradeMapper, Trade> implements TradeService { /** * 缓存 */ @Autowired private Cache<Object> cache; /** * 订单 */ @Autowired private OrderService orderService; /** * 会员 */ @Autowired private MemberService memberService; /** * 优惠券 */ @Autowired private CouponService couponService; /** * 会员优惠券 */ @Autowired private MemberCouponService memberCouponService; /** * 砍价 */ @Autowired private KanjiaActivityService kanjiaActivityService; /** * RocketMQ 配置 */ @Autowired private RocketmqCustomProperties rocketmqCustomProperties; @Autowired private ApplicationEventPublisher applicationEventPublisher; @Override @Transactional(rollbackFor = Exception.class) public Trade createTrade(TradeDTO tradeDTO) { //创建订单预校验 createTradeCheck(tradeDTO); Trade trade = new Trade(tradeDTO); String key = CachePrefix.TRADE.getPrefix() + trade.getSn(); //优惠券预处理 couponPretreatment(tradeDTO); //积分预处理 pointPretreatment(tradeDTO); //添加交易 this.save(trade); //添加订单 orderService.intoDB(tradeDTO); //砍价订单处理 kanjiaPretreatment(tradeDTO); //写入缓存，给消费者调用 cache.put(key, JSONUtil.toJsonStr(tradeDTO)); applicationEventPublisher.publishEvent(new TransactionCommitSendMQEvent("订单创建消息", rocketmqCustomProperties.getOrderTopic(), OrderTagsEnum.ORDER_CREATE.name(), key)); return trade; } /** * 创建订单最后一步校验 * * @param tradeDTO 购物车视图 */ private void createTradeCheck(TradeDTO tradeDTO) { // 购物车选择状态判断 if (tradeDTO.getCartList().stream().noneMatch(CartVO::getChecked)) { throw new ServiceException(ResultCode.ORDER_NOT_EXIST_VALID); } if (!tradeDTO.getCartTypeEnum().equals(CartTypeEnum.VIRTUAL) && tradeDTO.getStoreAddress() == null) { //创建订单如果没有收获地址， MemberAddress memberAddress = tradeDTO.getMemberAddress(); if (memberAddress == null && !GoodsTypeEnum.VIRTUAL_GOODS.name().equals(tradeDTO.getCheckedSkuList().get(0).getGoodsSku().getGoodsType())) { throw new ServiceException(ResultCode.MEMBER_ADDRESS_NOT_EXIST); } //订单配送区域校验 if (tradeDTO.getNotSupportFreight() != null && !tradeDTO.getNotSupportFreight().isEmpty()) { StringBuilder stringBuilder = new StringBuilder("包含商品有-"); tradeDTO.getNotSupportFreight().forEach(sku -> stringBuilder.append(sku.getGoodsSku().getGoodsName())); throw new ServiceException(ResultCode.ORDER_NOT_SUPPORT_DISTRIBUTION, stringBuilder.toString()); } if (tradeDTO.getCartList().stream().allMatch(item -> item.getDeliveryMethod().equals(DeliveryMethodEnum.SELF_PICK_UP.name()))) { throw new ServiceException(ResultCode.STORE_ADDRESS_NOT_EXIST); } } } @Override public Trade getBySn(String sn) { LambdaQueryWrapper<Trade> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.eq(Trade::getSn, sn); return this.getOne(queryWrapper); } @Override @Transactional(rollbackFor = Exception.class) public void payTrade(String tradeSn, String paymentName, String receivableNo) { LambdaQueryWrapper<Order> orderQueryWrapper = new LambdaQueryWrapper<>(); orderQueryWrapper.eq(Order::getTradeSn, tradeSn); List<Order> orders = orderService.list(orderQueryWrapper); for (Order order : orders) { orderService.payOrder(order.getSn(), paymentName, receivableNo); } Trade trade = this.getBySn(tradeSn); trade.setPayStatus(PayStatusEnum.PAID.name()); this.saveOrUpdate(trade); } @Override public void updateTradePrice(String tradeSn) { this.baseMapper.updateTradePrice(tradeSn); } /** * 优惠券预处理 * 下单同时，扣除优惠券 * * @param tradeDTO 购物车视图 */ private void couponPretreatment(TradeDTO tradeDTO) { List<MemberCouponDTO> memberCouponDTOList = new ArrayList<>(); if (null != tradeDTO.getPlatformCoupon()) { memberCouponDTOList.add(tradeDTO.getPlatformCoupon()); } Collection<MemberCouponDTO> storeCoupons = tradeDTO.getStoreCoupons().values(); if (!storeCoupons.isEmpty()) { memberCouponDTOList.addAll(storeCoupons); } List<String> ids = memberCouponDTOList.stream().map(e -> e.getMemberCoupon().getId()).collect(Collectors.toList()); memberCouponService.used(tradeDTO.getMemberId(), ids); memberCouponDTOList.forEach(e -> couponService.usedCoupon(e.getMemberCoupon().getCouponId(), 1)); } /** * 创建交易，积分处理 * * @param tradeDTO 购物车视图 */ private void pointPretreatment(TradeDTO tradeDTO) { //需要支付积分 if (tradeDTO.getPriceDetailDTO() != null && tradeDTO.getPriceDetailDTO().getPayPoint() != null && tradeDTO.getPriceDetailDTO().getPayPoint() > 0) { StringBuilder orderSns = new StringBuilder(); for (CartVO item : tradeDTO.getCartList()) { orderSns.append(item.getSn()); } boolean result = memberService.updateMemberPoint(tradeDTO.getPriceDetailDTO().getPayPoint(), PointTypeEnum.REDUCE.name(), tradeDTO.getMemberId(), "订单【" + orderSns + "】创建，积分扣减"); if (!result) { throw new ServiceException(ResultCode.PAY_POINT_ENOUGH); } } } /** * 创建交易、砍价处理 * * @param tradeDTO 购物车视图 */ private void kanjiaPretreatment(TradeDTO tradeDTO) { if (tradeDTO.getCartTypeEnum().equals(CartTypeEnum.KANJIA)) { String kanjiaId = tradeDTO.getSkuList().get(0).getKanjiaId(); kanjiaActivityService.endKanjiaActivity(kanjiaId); } } }
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