小程序 用户端接口开发

rk

昨天 7869fa712c19c351a48bfb0af11b0fe87b17c184

 server/dmmall_service/src/main/java/com/doumee/service/business/impl/MemberCouponServiceImpl.java

@@ -14,6 +14,7 @@
import com.doumee.dao.web.dto.CouponDTO;
import com.doumee.dao.web.dto.MemberCouponDTO;
import com.doumee.dao.web.request.PayDetailRequest;
import com.doumee.dao.web.response.MemberCouponResponse;
import com.doumee.dao.web.response.goods.OrderGoodsCalculateResponse;
import com.doumee.service.business.MemberCouponService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
@@ -24,6 +25,7 @@
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@@ -52,6 +54,10 @@

    @Autowired
    private MemberCouponJoinMapper memberCouponJoinMapper;

    @Autowired
    private LabelsMapper labelsMapper;


    @Autowired
    private CouponMapper couponMapper;
@@ -202,11 +208,13 @@
     * @return
     */
    @Override
    public IPage<CouponDTO> memberCouponPage(IPage pages, BigDecimal price, Integer memberId,Integer couponType) {
        IPage<CouponDTO> page = memberCouponMapper.memberCouponPage(pages,new QueryWrapper<CouponDTO>()
    public IPage<MemberCouponResponse> memberCouponPage(IPage pages, BigDecimal price, Integer memberId,Integer couponType,Integer status) {
        IPage<MemberCouponResponse> page = memberCouponMapper.memberCouponPage(pages,new QueryWrapper<MemberCouponResponse>()
                .eq("m.MEMBER_ID",memberId)
                .eq("m.TYPE",Constants.ONE)
                .eq("m.STATUS",Constants.ZERO)
                .apply(Objects.nonNull(status)&&Constants.equalsInteger(status,Constants.ZERO),"m.STATUS = 0 and m.END_DATE >= now()" )
                .apply(Objects.nonNull(status)&&Constants.equalsInteger(status,Constants.ONE),"m.STATUS = 1" )
                .apply(Objects.nonNull(status)&&Constants.equalsInteger(status,Constants.TWO),"m.STATUS = 0 and  m.END_DATE < now() " )
                .eq("TYPE",couponType)
                .apply(!Objects.isNull(price)," m.LIMIT_PRICE >= "+price+" ")
                .apply("   now() between m.START_DATE and m.END_DATE ")
@@ -216,6 +224,37 @@
    }


    @Override
    public MemberCouponResponse getMemberCouponDetail(Integer id){
        MemberCoupon memberCoupon = memberCouponJoinMapper.selectById(id);
        if(Objects.isNull(memberCoupon)){
            throw new BusinessException(ResponseStatus.DATA_EMPTY);
        }
        MemberCouponResponse memberCouponResponse = new MemberCouponResponse();
        BeanUtils.copyProperties(memberCoupon,memberCouponResponse);
        if(StringUtils.isNotBlank(memberCouponResponse.getApplyIds())){
            if(Constants.equalsInteger(memberCouponResponse.getApplyType(),Constants.ONE)){
                List<Labels> labelsList = labelsMapper.selectList(new QueryWrapper<Labels>().lambda()
                        .eq(Labels::getIsdeleted,Constants.ZERO)
                        .eq(Labels::getType,Constants.LabelsType.GOODSTYPE.getKey())
                        .apply(" find_in_set( id , '"+memberCouponResponse.getApplyIds()+"'  ) ")
                );
                if(CollectionUtils.isNotEmpty(labelsList)){
                    memberCouponResponse.setRelationInfoList(labelsList.stream().map(i->i.getName()).collect(Collectors.toList()));
                }
            }else if(Constants.equalsInteger(memberCouponResponse.getApplyType(),Constants.TWO)){
                List<Goods> labelsList = goodsMapper.selectList(new QueryWrapper<Goods>().lambda()
                        .eq(Goods::getIsdeleted,Constants.ZERO)
                        .apply(" find_in_set( id , '"+memberCouponResponse.getApplyIds()+"'  ) ")
                );
                if(CollectionUtils.isNotEmpty(labelsList)){
                    memberCouponResponse.setRelationInfoList(labelsList.stream().map(i->i.getName()).collect(Collectors.toList()));
                }
            }
        }

        return memberCouponResponse;
    }



@@ -340,7 +379,6 @@
        if(CollectionUtils.isEmpty(goodsSkuList)||!Constants.equalsInteger(goodsSkuList.size(),requestList.size())){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"商品SKU信息错误,请刷新重试");
        }

        //查询商品列表
        List<Goods> goodsList = goodsMapper.selectJoinList(Goods.class,
                new MPJLambdaWrapper<Goods>()
@@ -352,7 +390,6 @@
        if(Objects.isNull(goodsList)){
            return memberCouponList;
        }

        //获取选择的商品总金额 与 单个商品金额
        BigDecimal totalAmount = BigDecimal.ZERO;
        for (Goods goods:goodsList) {
@@ -398,6 +435,73 @@
    }


    public void  couponIsValid(List<PayDetailRequest> requestList,MemberCoupon memberCoupon){
        if(Objects.isNull(memberCoupon)
            || Constants.equalsInteger(memberCoupon.getStatus(),Constants.ONE)
        ){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"优惠券信息无效或已被使用");
        }
        if(memberCoupon.getStartDate().getTime() > System.currentTimeMillis()){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"优惠券未生效");
        }
        if(memberCoupon.getEndDate().getTime() < System.currentTimeMillis()){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"优惠券已过期");
        }
        List<GoodsSku> goodsSkuList = goodsSkuMapper.selectList(new QueryWrapper<GoodsSku>()
                .lambda()
                .eq(GoodsSku::getIsdeleted,Constants.ZERO)
                .in(GoodsSku::getId,requestList.stream().map(i->i.getGoodsSkuId()).collect(Collectors.toList()))
        );
        if(CollectionUtils.isEmpty(goodsSkuList)||!Constants.equalsInteger(goodsSkuList.size(),requestList.size())){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"商品SKU信息错误,请刷新重试");
        }
        //查询商品列表
        List<Goods> goodsList = goodsMapper.selectJoinList(Goods.class,
                new MPJLambdaWrapper<Goods>()
                        .selectAs(GoodsSku::getPrice,Goods::getSkuPrice)
                        .selectAs(GoodsSku::getId,Goods::getSkuId)
                        .leftJoin(GoodsSku.class,GoodsSku::getGoodsId,Goods::getId)
                        .in(GoodsSku::getId,requestList.stream().map(i->i.getGoodsSkuId()).collect(Collectors.toList())));
        if(Objects.isNull(goodsList)){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"商品SKU商品信息错误,请刷新重试");
        }
        //获取选择的商品总金额 与 单个商品金额
        BigDecimal totalAmount = BigDecimal.ZERO;
        for (Goods goods:goodsList) {
            List<PayDetailRequest> request = requestList.stream().filter(i->Constants.equalsInteger(i.getGoodsSkuId(), goods.getSkuId())).collect(Collectors.toList());
            if(CollectionUtils.isNotEmpty(request)){
                goods.setSkuAmount(goods.getSkuPrice().multiply(new BigDecimal(request.get(Constants.ZERO).getGoodsNum()+"")));
                totalAmount = totalAmount.add(goods.getSkuAmount());
            }
        }
        List<OrderGoodsCalculateResponse> goodsCalculateList = ListUtil.copyProperties(goodsList,OrderGoodsCalculateResponse::new);
        if(totalAmount.compareTo(memberCoupon.getLimitPrice())<Constants.ZERO){
            throw new BusinessException(ResponseStatus.NOT_ALLOWED.getCode(),"当前商品金额未满足可使用门槛");
        }
        //适用类型：0=全场;1=品类；2=指定商品
        if(Constants.equalsInteger(memberCoupon.getApplyType(),Constants.ZERO)){
            memberCoupon.setValidAmount(memberCoupon.getPrice());
        }else{
            List<String> applyIdList = Arrays.asList(memberCoupon.getApplyIds().split(","));
            //获取有效可以使用优惠券的数据
            isVaildUse(applyIdList,goodsCalculateList,
                    Constants.equalsInteger(memberCoupon.getApplyType(),Constants.ONE)?Constants.ONE:Constants.ZERO);
            BigDecimal skuAmount = goodsCalculateList.stream().filter(i->i.getUseCoupon()).map(i->i.getSkuAmount()).reduce(BigDecimal.ZERO,BigDecimal::add);
            if(skuAmount.compareTo(memberCoupon.getLimitPrice())>=Constants.ZERO){
                //根据金额计算实际折扣金额
                BigDecimal couponPrice = skuAmount.multiply(memberCoupon.getPrice()).divide(new BigDecimal("100"),2, RoundingMode.HALF_UP);
                //折扣金额大于最大可折扣金额  则使用最大可折扣金额
                memberCoupon.setValidAmount(couponPrice.compareTo(memberCoupon.getMaxPrice())>Constants.ZERO?memberCoupon.getMaxPrice():couponPrice);
            }
        }
    }







    /**
     * 计算当前已选择优惠券每个商品占比金额
     * @param coupon 优惠券信息