package cc.mrbird.febs.mall.service.impl;
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import cc.mrbird.febs.common.enumerates.OrderStatusEnum;
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import cc.mrbird.febs.common.exception.FebsException;
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import cc.mrbird.febs.common.utils.LoginUserUtil;
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import cc.mrbird.febs.common.utils.MallUtils;
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import cc.mrbird.febs.mall.dto.AddOrderDto;
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import cc.mrbird.febs.mall.dto.AddOrderItemDto;
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import cc.mrbird.febs.mall.entity.*;
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import cc.mrbird.febs.mall.mapper.*;
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import cc.mrbird.febs.mall.service.IApiMallOrderInfoService;
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import cn.hutool.core.collection.CollUtil;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import java.math.BigDecimal;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Random;
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/**
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* @author wzy
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* @date 2021-09-18
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**/
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class ApiMallOrderInfoServiceImpl extends ServiceImpl<MallOrderInfoMapper, MallOrderInfo> implements IApiMallOrderInfoService {
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private final MallGoodsMapper mallGoodsMapper;
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private final MallGoodsSkuMapper mallGoodsSkuMapper;
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private final MallAddressInfoMapper mallAddressInfoMapper;
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private final MallOrderItemMapper mallOrderItemMapper;
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@Override
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public Long createOrder(AddOrderDto addOrderDto) {
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MallMember member = LoginUserUtil.getLoginUser();
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MallAddressInfo address = mallAddressInfoMapper.selectById(addOrderDto.getAddressId());
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if (address == null) {
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throw new FebsException("地址不存在");
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}
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String orderNo = MallUtils.getOrderNum();
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MallOrderInfo orderInfo = new MallOrderInfo();
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orderInfo.setOrderNo(orderNo);
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orderInfo.setOrderTime(new Date());
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orderInfo.setMemberId(member.getId());
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orderInfo.setStatus(OrderStatusEnum.WAIT_PAY.getValue());
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orderInfo.setName(address.getName());
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orderInfo.setAddress(address.getArea() + address.getAddress());
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orderInfo.setPhone(address.getPhone());
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orderInfo.setLatitude(address.getLatitude());
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orderInfo.setLongitude(address.getLongitude());
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orderInfo.setRemark(addOrderDto.getRemark());
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if (CollUtil.isEmpty(addOrderDto.getItems())) {
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throw new FebsException("参数错误");
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}
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this.baseMapper.insert(orderInfo);
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BigDecimal total = BigDecimal.ZERO;
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for (AddOrderItemDto item : addOrderDto.getItems()) {
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MallGoodsSku sku = mallGoodsSkuMapper.selectSkuInfoById(item.getSkuId());
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if (sku == null) {
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throw new FebsException("购买商品或sku不存在");
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}
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if (sku.getStock() < item.getCnt()) {
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throw new FebsException("库存不足");
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}
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MallOrderItem orderItem = new MallOrderItem();
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BigDecimal amount = sku.getPresentPrice().multiply(BigDecimal.valueOf(item.getCnt()));
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orderItem.setAmount(amount);
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orderItem.setCnt(item.getCnt());
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orderItem.setOrderId(orderInfo.getId());
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orderItem.setPrice(sku.getPresentPrice());
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orderItem.setGoodsId(sku.getGoodsId());
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orderItem.setGoodsName(sku.getGoodsName());
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orderItem.setSkuId(sku.getId());
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orderItem.setStyleName(sku.getStyleName());
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total = total.add(amount);
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mallOrderItemMapper.insert(orderItem);
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sku.setStock(sku.getStock() - item.getCnt());
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mallGoodsSkuMapper.updateById(sku);
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}
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return orderInfo.getId();
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}
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@Override
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public void cancelOrder(Long id) {
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MallMember member = LoginUserUtil.getLoginUser();
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MallOrderInfo orderInfo = this.baseMapper.selectOrderByMemberIdAndId(member.getId(), id);
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if (orderInfo == null) {
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throw new FebsException("订单不存在");
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}
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if (OrderStatusEnum.WAIT_PAY.getValue() != orderInfo.getStatus()) {
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throw new FebsException("订单不是待付款, 无法取消");
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}
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orderInfo.setStatus(OrderStatusEnum.CANCEL.getValue());
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orderInfo.setCancelType(MallOrderInfo.CANCEL_BY_SELF);
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this.baseMapper.updateById(orderInfo);
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}
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}
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