package cc.mrbird.febs.mall.service.impl;
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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.dto.AddCollectionDto;
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import cc.mrbird.febs.mall.dto.MemberCollectionListDto;
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import cc.mrbird.febs.mall.entity.MallGoods;
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import cc.mrbird.febs.mall.entity.MallMember;
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import cc.mrbird.febs.mall.entity.MallMemberCollection;
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import cc.mrbird.febs.mall.mapper.MallMemberCollectionMapper;
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import cc.mrbird.febs.mall.service.IApiMallGoodsService;
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import cc.mrbird.febs.mall.service.IMallMemberCollectionService;
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import cc.mrbird.febs.mall.vo.AddCollectionVo;
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import cc.mrbird.febs.mall.vo.CollectionListVo;
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import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.collection.CollUtil;
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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 java.util.ArrayList;
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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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public class MallMemberCollectionServiceImpl extends ServiceImpl<MallMemberCollectionMapper, MallMemberCollection> implements IMallMemberCollectionService {
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private final IApiMallGoodsService apiMallGoodsService;
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@Override
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public void add(AddCollectionDto addCollectionDto) {
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MallMember member = LoginUserUtil.getLoginUser();
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MallGoods mallgoods = apiMallGoodsService.getById(addCollectionDto.getGoodsId());
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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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LambdaQueryWrapper<MallMemberCollection> queryWrapper = new LambdaQueryWrapper<>();
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queryWrapper.eq(MallMemberCollection::getMemberId, member.getId());
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queryWrapper.eq(MallMemberCollection::getGoodsId, addCollectionDto.getGoodsId());
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List<MallMemberCollection> mallMemberCollections = this.baseMapper.selectList(queryWrapper);
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if (CollUtil.isNotEmpty(mallMemberCollections)) {
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throw new FebsException("商品已收藏");
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}
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MallMemberCollection collection = new MallMemberCollection();
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collection.setMemberId(member.getId());
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collection.setGoodsId(addCollectionDto.getGoodsId());
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this.baseMapper.insert(collection);
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}
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@Override
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public List<CollectionListVo> findMemberCollectionList(MemberCollectionListDto memberCollectionListDto) {
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MallMember member = LoginUserUtil.getLoginUser();
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MallMemberCollection collection = new MallMemberCollection();
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collection.setMemberId(member.getId());
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Page<MallMemberCollection> page = new Page<>(memberCollectionListDto.getPageNow(), memberCollectionListDto.getPageSize());
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IPage<MallMemberCollection> result = this.baseMapper.selectMemberCollectionListInPage(collection, page);
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if (CollUtil.isEmpty(result.getRecords())) {
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return new ArrayList<>();
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}
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return result.getRecords().stream().map(item -> BeanUtil.copyProperties(item, CollectionListVo.class)).collect(Collectors.toList());
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}
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@Override
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public void del(String ids) {
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MallMember member = LoginUserUtil.getLoginUser();
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List<String> goodsIdList = StrUtil.split(ids, ',');
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LambdaQueryWrapper<MallMemberCollection> query = new LambdaQueryWrapper<>();
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query.in(MallMemberCollection::getGoodsId, goodsIdList);
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query.eq(MallMemberCollection::getMemberId, member.getId());
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List<MallMemberCollection> collections = this.baseMapper.selectList(query);
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List<Long> idsList = collections.stream().map(MallMemberCollection::getId).collect(Collectors.toList());
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LambdaQueryWrapper<MallMemberCollection> delQuery = new LambdaQueryWrapper<>();
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delQuery.in(MallMemberCollection::getId, idsList);
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delQuery.eq(MallMemberCollection::getMemberId, member.getId());
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this.baseMapper.delete(delQuery);
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}
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}
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