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.exception.GeneratorException;
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import cc.mrbird.febs.common.utils.LoginUserUtil;
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import cc.mrbird.febs.mall.conversion.MallShoppingCartConversion;
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import cc.mrbird.febs.mall.dto.AddCartDto;
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import cc.mrbird.febs.mall.entity.MallGoods;
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import cc.mrbird.febs.mall.entity.MallGoodsSku;
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import cc.mrbird.febs.mall.entity.MallShoppingCart;
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import cc.mrbird.febs.mall.mapper.MallGoodsMapper;
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import cc.mrbird.febs.mall.mapper.MallGoodsSkuMapper;
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import cc.mrbird.febs.mall.mapper.MallShoppingCartMapper;
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import cc.mrbird.febs.mall.service.IApiMallShoppingCartService;
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import cc.mrbird.febs.mall.vo.ShoppingCartGoodsVo;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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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.util.List;
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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 ApiMallShoppingCartServiceImpl extends ServiceImpl<MallShoppingCartMapper, MallShoppingCart> implements IApiMallShoppingCartService {
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private final MallGoodsSkuMapper mallGoodsSkuMapper;
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private final MallGoodsMapper mallGoodsMapper;
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@Override
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public List<ShoppingCartGoodsVo> findCartGoodsList(Integer type) {
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if (type == null) {
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type = 1;
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}
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Long memberId = LoginUserUtil.getLoginUser().getId();
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List<MallShoppingCart> carts = this.baseMapper.selectCartGoodsList(memberId, type);
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return MallShoppingCartConversion.INSTANCE.entityListToVoList(carts);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void addGoodsToCart(List<AddCartDto> addCartDtoList) {
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Long memberId = LoginUserUtil.getLoginUser().getId();
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for (AddCartDto addCartDto : addCartDtoList) {
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Long goodsId = null;
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Long skuId = null;
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Long styleId = null;
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MallShoppingCart cartGoods = null;
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if (addCartDto.getType() == null) {
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addCartDto.setType(1);
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}
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if (addCartDto.getType() == 1) {
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MallGoodsSku sku = mallGoodsSkuMapper.selectById(addCartDto.getSkuId());
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if (sku == null) {
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throw new FebsException("sku不存在");
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}
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goodsId = sku.getGoodsId();
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skuId = sku.getId();
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styleId = sku.getStyleId();
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cartGoods = this.baseMapper.selectCartGoodsBySkuId(addCartDto.getSkuId(), memberId);
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} else {
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MallGoods mallGoods = mallGoodsMapper.selectById(addCartDto.getSkuId());
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if (mallGoods == null) {
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throw new FebsException("积分商品不存在");
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}
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goodsId = mallGoods.getId();
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LambdaQueryWrapper<MallShoppingCart> cartQuery = new LambdaQueryWrapper<>();
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cartQuery.eq(MallShoppingCart::getGoodsId, goodsId)
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.eq(MallShoppingCart::getMemberId, memberId)
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.last("limit 1");
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cartGoods = this.baseMapper.selectOne(cartQuery);
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}
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if (cartGoods == null) {
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cartGoods = new MallShoppingCart();
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cartGoods.setGoodsId(goodsId);
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cartGoods.setSkuId(skuId);
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cartGoods.setStyleId(styleId);
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cartGoods.setCnt(addCartDto.getCnt());
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cartGoods.setMemberId(memberId);
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cartGoods.setType(addCartDto.getType());
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this.baseMapper.insert(cartGoods);
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} else {
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cartGoods.setCnt(cartGoods.getCnt() + addCartDto.getCnt());
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this.baseMapper.updateById(cartGoods);
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}
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}
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}
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}
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