From e7ee3ad759d1dc390de11c536504a78c17dde848 Mon Sep 17 00:00:00 2001
From: jiangqs <343695869@qq.com>
Date: 星期三, 03 五月 2023 02:59:57 +0800
Subject: [PATCH] 购买商品

---
 ruoyi-modules/ruoyi-order/src/main/java/com/ruoyi/order/service/impl/order/OrderServiceImpl.java |  156 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 156 insertions(+), 0 deletions(-)

diff --git a/ruoyi-modules/ruoyi-order/src/main/java/com/ruoyi/order/service/impl/order/OrderServiceImpl.java b/ruoyi-modules/ruoyi-order/src/main/java/com/ruoyi/order/service/impl/order/OrderServiceImpl.java
index 736d713..fbc8e48 100644
--- a/ruoyi-modules/ruoyi-order/src/main/java/com/ruoyi/order/service/impl/order/OrderServiceImpl.java
+++ b/ruoyi-modules/ruoyi-order/src/main/java/com/ruoyi/order/service/impl/order/OrderServiceImpl.java
@@ -2,10 +2,32 @@
 
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.order.domain.dto.AppBuyGoodsDto;
+import com.ruoyi.order.domain.dto.AppSureOrderDto;
+import com.ruoyi.order.domain.pojo.goods.Goods;
+import com.ruoyi.order.domain.pojo.goods.GoodsFile;
+import com.ruoyi.order.domain.pojo.goods.ShopGoods;
 import com.ruoyi.order.domain.pojo.order.Order;
+import com.ruoyi.order.domain.vo.AppSureOrderGoodsVo;
+import com.ruoyi.order.domain.vo.AppSureOrderVo;
+import com.ruoyi.order.service.goods.GoodsFileService;
+import com.ruoyi.order.service.goods.ShopGoodsService;
+import com.ruoyi.system.api.RemoteMemberService;
+import com.ruoyi.system.api.domain.vo.AppUserCouponVo;
 import com.ruoyi.order.mapper.order.OrderMapper;
+import com.ruoyi.order.service.goods.GoodsService;
 import com.ruoyi.order.service.order.OrderService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 /**
  * <p>
@@ -18,4 +40,138 @@
 @Service
 public class OrderServiceImpl extends ServiceImpl<OrderMapper, Order> implements OrderService {
 
+    @Resource
+    private OrderMapper orderMapper;
+
+    @Resource
+    private GoodsService goodsService;
+
+    @Resource
+    private ShopGoodsService shopGoodsService;
+
+    @Autowired
+    private RemoteMemberService remoteMemberService;
+
+    @Autowired
+    private GoodsFileService goodsFileService;
+    /**
+     * @description: buyGoods
+     * @param: appSureOrderDto
+     * @return: AppSureOrderVo
+     * @author jqs34
+     * @date: 2023/5/3 0:07
+     */
+    @Override
+    public AppSureOrderVo buyGoods(AppSureOrderDto appSureOrderDto){
+        Long userId = appSureOrderDto.getUserId();
+        AppSureOrderVo appSureOrderVo = new AppSureOrderVo();
+        List<AppSureOrderGoodsVo> appSureOrderGoodsVoList = new ArrayList<>();
+        AppSureOrderGoodsVo appSureOrderGoodsVo;
+        List<AppBuyGoodsDto> appBuyGoodsDtoList = appSureOrderDto.getAppBuyGoodsDtoList();
+        String goodsId;
+        Integer buyNum;
+        BigDecimal buyNumBig;
+        Long userCouponId;
+        Goods goods;
+        BigDecimal goodsPrice;
+        BigDecimal goodsTotalPrice;
+        BigDecimal goodsRealPrice;
+        List<AppUserCouponVo> appUserCouponVoList = remoteMemberService.listVoUserCouponByUserId(userId).getData();
+        List<AppUserCouponVo> appGoodsUserCouponVoList;
+        Map<Long,AppUserCouponVo> appUserCouponVoMap = appUserCouponVoList.stream().collect(Collectors.toMap(AppUserCouponVo::getUserCouponId, Function.identity()));
+        AppUserCouponVo appUserCouponVo;
+        Integer couponType;
+        BigDecimal moneyThreshold;
+        BigDecimal discountMoney = new BigDecimal("0.00");
+        BigDecimal discountPercent;
+        BigDecimal goodsDeposit;
+        GoodsFile goodsFile;
+        Integer useCoupon;
+        BigDecimal orderGoodsMoney = new BigDecimal("0.00");
+        BigDecimal couponDiscount = new BigDecimal("0.00");
+        BigDecimal orderPayDeposit = new BigDecimal("0.00");
+        BigDecimal orderPayMoney = new BigDecimal("0.00");
+        for(AppBuyGoodsDto appBuyGoodsDto : appBuyGoodsDtoList){
+            appSureOrderGoodsVo = new AppSureOrderGoodsVo();
+            useCoupon = 0;
+            goodsId = appBuyGoodsDto.getGoodsId();
+            buyNum = appBuyGoodsDto.getBuyNum();
+            userCouponId = appBuyGoodsDto.getUserCouponId();
+            goods = goodsService.getById(goodsId);
+            appSureOrderGoodsVo.setGoodsId(goodsId);
+            appSureOrderGoodsVo.setGoodsName(goods.getGoodsName());
+            appSureOrderGoodsVo.setGoodsIntroduction(goods.getGoodsIntroduction());
+            appSureOrderGoodsVo.setGoodsType(goods.getGoodsType());
+            //商品图片
+            goodsFile = goodsFileService.getGoodsPicture(goodsId);
+            appSureOrderGoodsVo.setGoodsPicture(goodsFile.getFileUrl());
+            buyNum = appBuyGoodsDto.getBuyNum();
+            appSureOrderGoodsVo.setBuyNum(buyNum);
+            goodsPrice = goods.getSalesPrice();
+            //商户定制价格
+            ShopGoods shopGoods = shopGoodsService.getByShopIdAndGoodsId(appSureOrderDto.getShopId(),goods.getGoodsId());
+            if(shopGoods!=null){
+                goodsPrice = shopGoods.getSalesPrice();
+            }
+            appSureOrderGoodsVo.setGoodsPrice(goodsPrice);
+            buyNumBig = BigDecimal.valueOf(buyNum);
+            goodsTotalPrice = goodsPrice.multiply(buyNumBig);
+            goodsRealPrice = goodsTotalPrice;
+            if(userCouponId!=null){
+                appUserCouponVo = appUserCouponVoMap.get(userCouponId);
+                if(StringUtils.isBlank(appUserCouponVo.getRelGoodsIds()) || appUserCouponVo.getRelGoodsIds().contains(goodsId)){
+                    couponType = appUserCouponVo.getCouponType();
+                    if(couponType == 1 && appUserCouponVo.getMoneyThreshold()!=null && appUserCouponVo.getDiscountMoney()!=null){
+                        moneyThreshold = appUserCouponVo.getMoneyThreshold();
+                        if(goodsTotalPrice.compareTo(moneyThreshold)>=0){
+                            discountMoney = appUserCouponVo.getDiscountMoney();
+                            goodsRealPrice = goodsTotalPrice.subtract(discountMoney);
+                            useCoupon = 1;
+                        }
+                    }else if(couponType == 2 && appUserCouponVo.getDiscountPercent()!=null){
+                        discountPercent = appUserCouponVo.getDiscountPercent();
+                        goodsRealPrice = goodsTotalPrice.multiply(discountPercent).divide(BigDecimal.TEN).setScale(2,BigDecimal.ROUND_HALF_UP);
+                        discountMoney = goodsRealPrice.subtract(goodsTotalPrice);
+                        useCoupon = 1;
+                    }else if(couponType == 3 && appUserCouponVo.getDiscountMoney()!=null){
+                        discountMoney = appUserCouponVo.getDiscountMoney();
+                        goodsRealPrice = goodsTotalPrice.subtract(discountMoney);
+                        useCoupon = 1;
+                    }
+                }
+            }
+            appSureOrderGoodsVo.setUseCoupon(useCoupon);
+            appSureOrderGoodsVo.setGoodsTotalPrice(goodsTotalPrice);
+            appSureOrderGoodsVo.setCouponDiscount(discountMoney);
+            appSureOrderGoodsVo.setGoodsRealPrice(goodsRealPrice);
+            goodsDeposit = goods.getSubscription();
+            if(goodsDeposit == null){
+                goodsDeposit = new BigDecimal("0.00");
+            }
+            appSureOrderGoodsVo.setGoodsDeposit(goodsDeposit);
+            orderGoodsMoney = orderGoodsMoney.add(goodsTotalPrice);
+            couponDiscount = couponDiscount.add(discountMoney);
+            orderPayDeposit = orderPayDeposit.add(goodsDeposit);
+            orderPayMoney = orderPayMoney.add(goodsRealPrice);
+            //商品关联优惠券
+            appGoodsUserCouponVoList = new ArrayList<>();
+            if(appUserCouponVoList!=null && !appUserCouponVoList.isEmpty()){
+                for(AppUserCouponVo entity : appUserCouponVoList){
+                    if(StringUtils.isBlank(entity.getRelGoodsIds())){
+                        appGoodsUserCouponVoList.add(entity);
+                    }else if(entity.getRelGoodsIds().contains(goodsId)){
+                        appGoodsUserCouponVoList.add(entity);
+                    }
+                }
+                appSureOrderGoodsVo.setAppUserCouponVoList(appGoodsUserCouponVoList);
+            }
+            appSureOrderGoodsVoList.add(appSureOrderGoodsVo);
+        }
+        appSureOrderVo.setOrderGoodsMoney(orderGoodsMoney);
+        appSureOrderVo.setCouponDiscount(couponDiscount);
+        appSureOrderVo.setOrderPayDeposit(orderPayDeposit);
+        appSureOrderVo.setOrderPayMoney(orderPayMoney);
+        appSureOrderVo.setAppSureOrderGoodsVoList(appSureOrderGoodsVoList);
+        return appSureOrderVo;
+    }
 }

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