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