From 595cf086067e3dae05f7896b7772d8b689cc6ea4 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Wed, 22 Sep 2021 11:50:23 +0800
Subject: [PATCH] add addOrder and fix

---
 src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java |   83 ++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 81 insertions(+), 2 deletions(-)

diff --git a/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java b/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java
index 41a6417..d6b93d2 100644
--- a/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java
+++ b/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallOrderInfoServiceImpl.java
@@ -1,12 +1,24 @@
 package cc.mrbird.febs.mall.service.impl;
 
-import cc.mrbird.febs.mall.entity.MallOrderInfo;
-import cc.mrbird.febs.mall.mapper.MallOrderInfoMapper;
+import cc.mrbird.febs.common.enumerates.OrderStatusEnum;
+import cc.mrbird.febs.common.exception.FebsException;
+import cc.mrbird.febs.common.utils.LoginUserUtil;
+import cc.mrbird.febs.common.utils.MallUtils;
+import cc.mrbird.febs.mall.dto.AddOrderDto;
+import cc.mrbird.febs.mall.dto.AddOrderItemDto;
+import cc.mrbird.febs.mall.entity.*;
+import cc.mrbird.febs.mall.mapper.*;
 import cc.mrbird.febs.mall.service.IApiMallOrderInfoService;
+import cn.hutool.core.collection.CollUtil;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
+
+import java.math.BigDecimal;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Random;
 
 /**
  * @author wzy
@@ -16,4 +28,71 @@
 @Service
 @RequiredArgsConstructor
 public class ApiMallOrderInfoServiceImpl extends ServiceImpl<MallOrderInfoMapper, MallOrderInfo> implements IApiMallOrderInfoService {
+
+    private final MallGoodsMapper mallGoodsMapper;
+    private final MallGoodsSkuMapper mallGoodsSkuMapper;
+    private final MallAddressInfoMapper mallAddressInfoMapper;
+    private final MallOrderItemMapper mallOrderItemMapper;
+
+    @Override
+    public String createOrder(AddOrderDto addOrderDto) {
+        MallMember member = LoginUserUtil.getLoginUser();
+
+        MallAddressInfo address = mallAddressInfoMapper.selectById(addOrderDto.getAddressId());
+        if (address == null) {
+            throw new FebsException("地址不存在");
+        }
+
+        String orderNo = MallUtils.getOrderNum();
+        MallOrderInfo orderInfo = new MallOrderInfo();
+        orderInfo.setOrderNo(orderNo);
+        orderInfo.setOrderTime(new Date());
+        orderInfo.setMemberId(member.getId());
+        orderInfo.setStatus(OrderStatusEnum.WAIT_PAY.getValue());
+        orderInfo.setName(address.getName());
+        orderInfo.setAddress(address.getArea() + address.getAddress());
+        orderInfo.setPhone(address.getPhone());
+        orderInfo.setLatitude(address.getLatitude());
+        orderInfo.setLongitude(address.getLongitude());
+        orderInfo.setRemark(addOrderDto.getRemark());
+
+        if (CollUtil.isEmpty(addOrderDto.getItems())) {
+            throw new FebsException("参数错误");
+        }
+
+        this.baseMapper.insert(orderInfo);
+        BigDecimal total = BigDecimal.ZERO;
+        for (AddOrderItemDto item : addOrderDto.getItems()) {
+            MallGoodsSku sku = mallGoodsSkuMapper.selectSkuInfoById(item.getSkuId());
+            if (sku == null) {
+                throw new FebsException("购买商品或sku不存在");
+            }
+
+            if (sku.getStock() < item.getCnt()) {
+                throw new FebsException("库存不足");
+            }
+
+            MallOrderItem orderItem = new MallOrderItem();
+            BigDecimal amount = sku.getPresentPrice().multiply(BigDecimal.valueOf(item.getCnt()));
+            orderItem.setAmount(amount);
+            orderItem.setCnt(item.getCnt());
+            orderItem.setOrderId(orderInfo.getId());
+            orderItem.setPrice(sku.getPresentPrice());
+            orderItem.setGoodsId(sku.getGoodsId());
+            orderItem.setGoodsName(sku.getGoodsName());
+            orderItem.setSkuId(sku.getId());
+            orderItem.setStyleName(sku.getStyleName());
+
+            total = total.add(amount);
+            mallOrderItemMapper.insert(orderItem);
+
+            sku.setStock(sku.getStock() - item.getCnt());
+            mallGoodsSkuMapper.updateById(sku);
+        }
+
+
+        return orderNo;
+    }
+
+
 }

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