package cc.mrbird.febs.mall.service.impl;
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import cc.mrbird.febs.common.enumerates.DataDictionaryEnum;
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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.mall.conversion.MallGoodsConversion;
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import cc.mrbird.febs.mall.dto.ApiMallGoodsCommentDto;
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import cc.mrbird.febs.mall.dto.MallGoodsQueryDto;
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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.IApiMallGoodsService;
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import cc.mrbird.febs.mall.vo.*;
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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 cn.hutool.json.JSONUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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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 java.math.BigDecimal;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* @author wzy
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* @date 2021-09-17
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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 ApiMallGoodsServiceImpl extends ServiceImpl<MallGoodsMapper, MallGoods> implements IApiMallGoodsService {
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private final MallGoodsImagesMapper goodsImagesMapper;
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private final MallGoodsCommentMapper mallGoodsCommentMapper;
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private final DataDictionaryCustomMapper dataDictionaryCustomMapper;
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private final MallCarriageRuleMapper mallCarriageRuleMapper;
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private final MallCarriageRuleInfoMapper mallCarriageRuleInfoMapper;
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/**
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* 根据查询条件分页查找商城商品列表，并为每个商品添加排名
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* 排名基于商品的销售状态、正常状态和销量进行排序
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*
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* @param queryDto 查询条件封装对象，包含分页信息和查询参数
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* @return 分页的商品列表，每个商品包含其排名
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*/
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@Override
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public IPage<MallGoodsListVo> findMallGoodsListInPage(MallGoodsQueryDto queryDto) {
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// 获取当前登录的用户信息
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MallMember loginUser = LoginUserUtil.getLoginUser();
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// 如果用户已登录，设置查询条件中的会员ID
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if (loginUser != null) {
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queryDto.setMemberId(loginUser.getId());
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}
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// 初始化分页对象
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Page<MallGoodsListVo> page = new Page<>(queryDto.getPageNow(), queryDto.getPageSize());
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// 调用Mapper方法，根据查询条件分页获取商品列表
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IPage<MallGoodsListVo> result = this.baseMapper.selectMallGoodsListQueryInPage(queryDto, page);
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// 初始化商品查询条件，筛选出正在销售的、状态正常的商品，并按销量降序排序，限制结果数量
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LambdaQueryWrapper<MallGoods> goodsQuery = new LambdaQueryWrapper<>();
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goodsQuery.eq(MallGoods::getIsSale, 1)
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.eq(MallGoods::getIsNormal, 1)
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.orderByDesc(MallGoods::getVolume)
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.last("limit 5");
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// 执行查询，获取商品列表
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List<MallGoods> mallGoods = this.baseMapper.selectList(goodsQuery);
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// 初始化商品ID与排名的映射关系
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Map<Long, Integer> goodsMap = new HashMap<>();
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AtomicInteger rank = new AtomicInteger(1);
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// 遍历商品列表，为每个商品分配排名
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mallGoods.forEach(item -> {
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goodsMap.put(item.getId(), rank.getAndIncrement());
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});
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// 遍历查询结果中的商品，设置每个商品的排名
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result.getRecords().forEach(item -> {
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Integer goodsRank = goodsMap.get(item.getId());
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// 如果商品有排名，则设置排名
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if (goodsRank != null) {
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item.setRank(goodsRank);
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}
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});
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// 返回分页查询结果
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return result;
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}
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@Override
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public List<MallGoodsListVo> findMallGoodsListNoPage(MallGoodsQueryDto queryDto) {
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return this.baseMapper.selectMallGoodsListQueryNoPage(queryDto);
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}
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@Override
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public ApiMallCarriageRuleVo findMallCarriageRuleById(Long id) {
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ApiMallCarriageRuleVo apiMallCarriageRuleVo = new ApiMallCarriageRuleVo();
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MallCarriageRule mallCarriageRule = mallCarriageRuleMapper.selectById(id);
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if(ObjectUtil.isEmpty(mallCarriageRule)){
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throw new FebsException("商品不存在");
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}
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apiMallCarriageRuleVo.setName(mallCarriageRule.getName());
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List<MallCarriageRuleInfo> mallCarriageRuleInfos = mallCarriageRuleInfoMapper.selectMallCarriageRuleInfoByRuleIdAndAreaAddress(id, null);
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if(CollUtil.isNotEmpty(mallCarriageRuleInfos)){
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List<ApiMallCarriageRuleInfoVo> apiMallCarriageRuleInfoVos = new ArrayList<>();
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for(MallCarriageRuleInfo mallCarriageRuleInfo : mallCarriageRuleInfos){
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ApiMallCarriageRuleInfoVo apiMallCarriageRuleInfoVo = new ApiMallCarriageRuleInfoVo();
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apiMallCarriageRuleInfoVo.setAreaAddress(mallCarriageRuleInfo.getAreaAddress());
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apiMallCarriageRuleInfoVo.setBasicPrice(mallCarriageRuleInfo.getBasicPrice());
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apiMallCarriageRuleInfoVo.setBasicCnt(mallCarriageRuleInfo.getBasicCnt());
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apiMallCarriageRuleInfoVo.setMoreCnt(mallCarriageRuleInfo.getMoreCnt());
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apiMallCarriageRuleInfoVo.setMorePrice(mallCarriageRuleInfo.getMorePrice());
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apiMallCarriageRuleInfoVos.add(apiMallCarriageRuleInfoVo);
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}
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apiMallCarriageRuleVo.setApiMallCarriageRuleInfoVos(apiMallCarriageRuleInfoVos);
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}
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return apiMallCarriageRuleVo;
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}
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@Override
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public MallGoodsDetailsVo findMallGoodsDetailsById(Long id) {
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MallGoods mallGoods = this.baseMapper.selectGoodsDetailById(id);
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if (mallGoods == null) {
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throw new FebsException("商品不存在");
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}
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List<String> images = goodsImagesMapper.selectGoodsImagesByGoodsId(mallGoods.getId());
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MallGoodsDetailsVo mallGoodsDetailsVo = MallGoodsConversion.INSTANCE.entityToDetailsVo(mallGoods);
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mallGoodsDetailsVo.setMainImage(mallGoods.getThumb());
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List<GoodsDetailsStyleVo> styles = mallGoodsDetailsVo.getStyles();
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if(ObjectUtil.isNotEmpty(styles)){
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for(GoodsDetailsStyleVo goodsDetailsStyleVo : styles){
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List<GoodsDetailsSkuVo> skus = goodsDetailsStyleVo.getSkus();
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if(CollUtil.isNotEmpty(skus) ){
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for(GoodsDetailsSkuVo goodsDetailsSkuVo : skus){
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if(StrUtil.isNotEmpty(goodsDetailsSkuVo.getSample())){
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goodsDetailsSkuVo.setSampleFlag(true);
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}else{
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goodsDetailsSkuVo.setSampleFlag(false);
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}
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}
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}
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}
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}
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if (CollUtil.isNotEmpty(mallGoods.getStyles())) {
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Map<String, BigDecimal> stockAndVolume = this.baseMapper.selectGoodsStockAndVolume(id);
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mallGoodsDetailsVo.setStock(stockAndVolume.get("stock").intValue());
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mallGoodsDetailsVo.setVolume(stockAndVolume.get("volume").intValue());
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}
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mallGoodsDetailsVo.setImages(images);
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QueryWrapper<MallGoodsComment> objectQueryWrapper = new QueryWrapper<>();
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objectQueryWrapper.eq("goods_id",id);
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Integer commentCount = mallGoodsCommentMapper.selectCount(objectQueryWrapper);
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mallGoodsDetailsVo.setCommentCount(commentCount);
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return mallGoodsDetailsVo;
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}
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@Override
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public IPage<MallGoodsCommentVo> findMallGoodsCommentByGoodsId(ApiMallGoodsCommentDto queryDto) {
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Page<MallGoodsCommentVo> page = new Page<>(queryDto.getPageNow(), queryDto.getPageSize());
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MallGoodsComment mallGoodsComment = new MallGoodsComment();
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mallGoodsComment.setGoodsId(queryDto.getGoodsId());
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mallGoodsComment.setCommentType(queryDto.getCommentType());
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return this.baseMapper.selectMallGoodsCommentListQueryInPage(page,mallGoodsComment);
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}
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@Override
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public ApiMallGoodsDeliveryVo findDeliverySetting() {
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ApiMallGoodsDeliveryVo apiMallGoodsDeliveryVo = new ApiMallGoodsDeliveryVo();
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DataDictionaryCustom deliverySetting = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(DataDictionaryEnum.HOME_DELIVERY_AMOUNT.getType(), DataDictionaryEnum.HOME_DELIVERY_AMOUNT.getCode());
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if(ObjectUtil.isNotNull(deliverySetting)){
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apiMallGoodsDeliveryVo.setHomeDeliveryServiceAmount(Double.parseDouble(deliverySetting.getValue()));
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}
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List<DataDictionaryCustom> homeDeliverySettings = dataDictionaryCustomMapper.selectDicByType(DataDictionaryEnum.FRIST_COST_LEVEL.getType());
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if(CollUtil.isNotEmpty(homeDeliverySettings)){
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List<ApiMallGoodsDeliverySettingVo> apiMallGoodsDeliverySettingVos = new ArrayList<>();
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for(DataDictionaryCustom dic : homeDeliverySettings){
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String apiMallGoodsDeliverySettingVoJson = dic.getValue();
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ApiMallGoodsDeliverySettingVo apiMallGoodsDeliverySettingVo = JSONUtil.toBean(apiMallGoodsDeliverySettingVoJson, ApiMallGoodsDeliverySettingVo.class);
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apiMallGoodsDeliverySettingVos.add(apiMallGoodsDeliverySettingVo);
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}
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apiMallGoodsDeliveryVo.setApiMallGoodsDeliverySettingVos(apiMallGoodsDeliverySettingVos);
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}
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return apiMallGoodsDeliveryVo;
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}
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@Override
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public MallGoodsCommentVo findMallGoodsCommentLevelByGoodsId(Long id) {
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return this.baseMapper.findMallGoodsCommentLevelByGoodsId(id);
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}
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}
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