From 3ec9370506559da6c9bb1fa788645f15ec9f582b Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Tue, 07 Jan 2025 15:23:55 +0800
Subject: [PATCH] feat(mall): 新增活动管理功能

---
 src/main/java/cc/mrbird/febs/mall/service/impl/ActivityServiceImpl.java |  136 ++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 132 insertions(+), 4 deletions(-)

diff --git a/src/main/java/cc/mrbird/febs/mall/service/impl/ActivityServiceImpl.java b/src/main/java/cc/mrbird/febs/mall/service/impl/ActivityServiceImpl.java
index 740c408..53b8341 100644
--- a/src/main/java/cc/mrbird/febs/mall/service/impl/ActivityServiceImpl.java
+++ b/src/main/java/cc/mrbird/febs/mall/service/impl/ActivityServiceImpl.java
@@ -2,11 +2,16 @@
 
 import cc.mrbird.febs.common.entity.FebsResponse;
 import cc.mrbird.febs.common.entity.QueryRequest;
+import cc.mrbird.febs.common.enumerates.ActivityTypeEnum;
+import cc.mrbird.febs.common.enumerates.GoodsTypeEnum;
+import cc.mrbird.febs.common.enumerates.YesOrNoOrIngEnum;
 import cc.mrbird.febs.common.utils.MallUtils;
-import cc.mrbird.febs.mall.entity.MallActivity;
-import cc.mrbird.febs.mall.mapper.MallActivityMapper;
+import cc.mrbird.febs.mall.entity.*;
+import cc.mrbird.febs.mall.mapper.*;
 import cc.mrbird.febs.mall.service.IActivityService;
+import cc.mrbird.febs.mall.vo.AdminActivityAddDto;
 import cc.mrbird.febs.mall.vo.AdminDiscountVO;
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -18,11 +23,21 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.List;
+import java.util.stream.Collectors;
+
 @Slf4j
 @Service
 @RequiredArgsConstructor
 @Transactional
 public class ActivityServiceImpl extends ServiceImpl<MallActivityMapper, MallActivity> implements IActivityService {
+
+    private final CouponGoodsMapper couponGoodsMapper;
+    private final MallGoodsMapper mallGoodsMapper;
+    private final MallGoodsSkuMapper mallGoodsSkuMapper;
+    private final MallGoodsStyleMapper mallGoodsStyleMapper;
     @Override
     public IPage<MallActivity> getAdminListInPage(MallActivity mallActivity, QueryRequest request) {
         Page<MallActivity> page = new Page<>(request.getPageNum(), request.getPageSize());
@@ -40,11 +55,124 @@
     }
 
     @Override
-    public FebsResponse addActivity(MallActivity mallActivity) {
+    public FebsResponse addActivity(AdminActivityAddDto adminActivityAddDto) {
+
+        MallActivity mallActivity = new MallActivity();
+        mallActivity.setName(adminActivityAddDto.getName());
         String hd = MallUtils.getOrderNum("HD");
         mallActivity.setCode(hd);
+        mallActivity.setStartTime(adminActivityAddDto.getStartTime());
+        mallActivity.setEndTime(adminActivityAddDto.getEndTime());
+        mallActivity.setMaxImage(adminActivityAddDto.getMaxImage());
+        mallActivity.setMinImage(adminActivityAddDto.getMinImage());
+        mallActivity.setState(YesOrNoOrIngEnum.NO.getValue());
+        mallActivity.setType(adminActivityAddDto.getType());
+
+        List<Long> activityGoodsIds = adminActivityAddDto.getActivityGoodsIds();
+        String collect = activityGoodsIds.stream()
+                .map(String::valueOf) // 将 Long 转换为 String
+                .collect(Collectors.joining(","));// 使用逗号连接
+        mallActivity.setActivityGoodsIds(collect);
         this.baseMapper.insert(mallActivity);
-        return null;
+
+        if(ActivityTypeEnum.ZHE_KOU.getValue() == adminActivityAddDto.getType()){
+            BigDecimal discountSize = adminActivityAddDto.getDiscountSize();
+            mallActivity.setDiscountSize(discountSize);
+            addDiscountGoods(mallActivity.getId(),discountSize,activityGoodsIds);
+        }
+
+        if(ActivityTypeEnum.YOU_HUI_JUAN.getValue() == adminActivityAddDto.getType()){
+            mallActivity.setCouponId(adminActivityAddDto.getCouponId());
+            addCouponGoods(adminActivityAddDto.getCouponId(),activityGoodsIds);
+        }
+
+        return new FebsResponse().success().data("操作成功");
+    }
+
+    private void addDiscountGoods(Long activityId,BigDecimal discountSize, List<Long> goodsIds){
+        //将对应选中的商品按照这个折扣力度重新计算一遍
+        List<MallGoods> mallGoods = mallGoodsMapper.selectList(
+                new LambdaQueryWrapper<MallGoods>()
+                        .eq(MallGoods::getIsNormal, GoodsTypeEnum.PU_TONG.getValue())
+                        .in(MallGoods::getId, goodsIds)
+        );
+        if(CollUtil.isNotEmpty(mallGoods)){
+            //复制对应的商品的规则
+            for(MallGoods mallGoodsItem:mallGoods){
+                Long goodsId = mallGoodsItem.getId();
+                //新增活动商品
+                Long goodsIdNew = addGoodsEntity(activityId, discountSize, mallGoodsItem);
+
+                List<MallGoodsStyle> mallGoodsStyles = mallGoodsStyleMapper.selectList(
+                        new LambdaQueryWrapper<MallGoodsStyle>()
+                        .eq(MallGoodsStyle::getGoodsId, goodsId)
+                );
+
+                if(CollUtil.isNotEmpty(mallGoodsStyles)){
+                    for(MallGoodsStyle mallGoodsStyleItem:mallGoodsStyles){
+                        Long styleItemId = mallGoodsStyleItem.getId();
+
+                        Long styleItemIdNew = addGoodsStyleEntity(goodsIdNew, mallGoodsStyleItem);
+                        List<MallGoodsSku> mallGoodsSkus = mallGoodsSkuMapper.selectList(
+                                new LambdaQueryWrapper<MallGoodsSku>()
+                                .eq(MallGoodsSku::getStyleId, styleItemId)
+                                .eq(MallGoodsSku::getGoodsId, goodsId)
+                        );
+                        if(CollUtil.isNotEmpty(mallGoodsSkus)){
+                            for(MallGoodsSku mallGoodsSkuItem:mallGoodsSkus){
+                                addGoodsSkuEntity(goodsIdNew,styleItemIdNew,discountSize,mallGoodsSkuItem);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private Long addGoodsEntity(Long activityId,BigDecimal discountSize,MallGoods mallGoodsItem){
+        MallActivity mallActivity = this.baseMapper.selectById(activityId);
+        mallGoodsItem.setIsNormal(GoodsTypeEnum.HUO_DONG.getValue());
+        mallGoodsItem.setGoodsName(mallActivity.getName()+mallGoodsItem.getGoodsName());
+        mallGoodsItem.setActivityId(mallActivity.getId());
+        BigDecimal presentPrice = new BigDecimal(mallGoodsItem.getPresentPrice()).multiply(discountSize).setScale(2, RoundingMode.DOWN);
+        mallGoodsItem.setPresentPrice(presentPrice.toString());
+        mallGoodsMapper.insert(mallGoodsItem);
+        return mallGoodsItem.getId();
+    }
+
+    private Long addGoodsStyleEntity(Long goodsId,MallGoodsStyle mallGoodsStyleItem){
+        mallGoodsStyleItem.setGoodsId(goodsId);
+        mallGoodsStyleMapper.insert(mallGoodsStyleItem);
+        return mallGoodsStyleItem.getId();
+    }
+
+    private Long addGoodsSkuEntity(Long goodsId,Long styleId,BigDecimal discountSize,MallGoodsSku sku){
+        sku.setGoodsId(goodsId);
+        sku.setStyleId(styleId);
+        BigDecimal presentPrice = sku.getPresentPrice().multiply(discountSize).setScale(2, RoundingMode.DOWN);
+        sku.setPresentPrice(presentPrice);
+        mallGoodsSkuMapper.insert(sku);
+        return sku.getId();
+    }
+
+    private void addCouponGoods(Long couponId,List<Long> goodsIds){
+        // 先判断是否存在关联商品,再进行查询和删除
+        if (CollUtil.isNotEmpty(couponGoodsMapper.selectList(
+                new LambdaQueryWrapper<CouponGoods>()
+                        .select(CouponGoods::getId)
+                        .eq(CouponGoods::getCouponId, couponId)))) {
+            couponGoodsMapper.delete(new LambdaQueryWrapper<CouponGoods>().eq(CouponGoods::getCouponId, couponId));
+        }
+
+        // 处理 goodsIds 为 null 或空的情况
+        if (CollUtil.isNotEmpty(goodsIds)) {
+            for (Long goodsId : goodsIds) {
+                CouponGoods couponGoods = new CouponGoods();
+                couponGoods.setGoodsId(goodsId);
+                couponGoods.setCouponId(couponId);
+                couponGoodsMapper.insert(couponGoods);
+            }
+        }
     }
 
     @Override

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