ks/src/main/java/com/zt/service/impl/ZkOrderServiceImpl.java

package com.zt.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zt.dto.OrderDetailsDto;
import com.zt.dto.OrderDto;
import com.zt.enums.CodeEnums;
import com.zt.pojo.Coupon;
import com.zt.pojo.GoodsSku;
import com.zt.pojo.OrderDetails;
import com.zt.pojo.ZkOrder;
import com.zt.service.*;
import com.zt.mapper.ZkOrderMapper;
import com.zt.utils.AppJwtUtil;
import com.zt.vo.Result;
import io.jsonwebtoken.Claims;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
* @author H
* @description 针对表【zk_order】的数据库操作Service实现
* @createDate 2025-05-09 16:28:09
*/
@Service
public class ZkOrderServiceImpl extends ServiceImpl<ZkOrderMapper, ZkOrder>
    implements ZkOrderService{
    @Autowired
    OrderDetailsService orderDetailsService;
    @Autowired
    ZkGoodsService goodsService;
    @Autowired
    GoodsSkuService goodsSkuService;
    @Autowired
    CouponService couponService;
    @Override
    public Result addOrder(OrderDto orderDto,String token) {
        Claims claimsBody = AppJwtUtil.getClaimsBody(token);
        Object id = claimsBody.get("id");
        ZkOrder zkOrder = new ZkOrder();
        zkOrder.setUserId((Long) id);
        List<Long> collect = orderDto.getOrderDetailsDtoList().stream().map(OrderDetailsDto::getGoodsId).collect(Collectors.toList());
        QueryWrapper<GoodsSku> queryWrapperSku=new QueryWrapper<>();
        queryWrapperSku.lambda().in(GoodsSku::getGoodsId,collect);
        List<GoodsSku> list = goodsSkuService.list(queryWrapperSku);
        Map<Long, GoodsSku> collect1 = list.stream().collect(Collectors.toMap(GoodsSku::getGoodsId, GoodsSku -> GoodsSku));
        BigDecimal zero = BigDecimal.ZERO;
        for (OrderDetailsDto orderDetailsDto : orderDto.getOrderDetailsDtoList()) {
            GoodsSku goodsSku = collect1.get(orderDetailsDto.getGoodsId());
            BigDecimal multiply = goodsSku.getPrice().multiply(BigDecimal.valueOf(orderDetailsDto.getNum()));
            zero=zero.add(multiply);
        }
        zkOrder.setTotalPrice(zero);
        Coupon byId = couponService.getById(orderDto.getCouponId());
        if (zkOrder.getTotalPrice().compareTo(byId.getTerms())>=0){
            zkOrder.setPreferentialPrice(byId.getFaceValue());
            zkOrder.setRealPrice(zkOrder.getTotalPrice().subtract(zkOrder.getPreferentialPrice()));
        }
        zkOrder.setOrderTime(new Date());
        zkOrder.setPaymentTime(new Date());
        this.save(zkOrder);
        for (OrderDetailsDto orderDetailsDto : orderDto.getOrderDetailsDtoList()) {
            OrderDetails orderDetails=new OrderDetails();
            BeanUtils.copyProperties(orderDetailsDto,orderDetails);
            orderDetails.setOrderId(zkOrder.getId());

            QueryWrapper<GoodsSku> queryWrapper=new QueryWrapper<>();
            queryWrapper.lambda().eq(GoodsSku::getGoodsId,orderDetails.getGoodsId());
            GoodsSku one = goodsSkuService.getOne(queryWrapper);

            orderDetails.setPrice(one.getPrice().multiply(BigDecimal.valueOf(orderDetails.getNum())));
            orderDetailsService.save(orderDetails);
        }
        return Result.ok(CodeEnums.SUCCESS);
    }
}