KKSU
2024-04-10 529ad9dd8d1876b57e852bc45b602ba3ccc8df2a
src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallShoppingCartServiceImpl.java
@@ -1,19 +1,24 @@
package cc.mrbird.febs.mall.service.impl;
import cc.mrbird.febs.common.exception.FebsException;
import cc.mrbird.febs.common.exception.GeneratorException;
import cc.mrbird.febs.common.utils.LoginUserUtil;
import cc.mrbird.febs.mall.conversion.MallShoppingCartConversion;
import cc.mrbird.febs.mall.dto.AddCartDto;
import cc.mrbird.febs.mall.entity.MallGoods;
import cc.mrbird.febs.mall.entity.MallGoodsSku;
import cc.mrbird.febs.mall.entity.MallShoppingCart;
import cc.mrbird.febs.mall.mapper.MallGoodsMapper;
import cc.mrbird.febs.mall.mapper.MallGoodsSkuMapper;
import cc.mrbird.febs.mall.mapper.MallShoppingCartMapper;
import cc.mrbird.febs.mall.service.IApiMallShoppingCartService;
import cc.mrbird.febs.mall.vo.ShoppingCartGoodsVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@@ -27,38 +32,74 @@
public class ApiMallShoppingCartServiceImpl extends ServiceImpl<MallShoppingCartMapper, MallShoppingCart> implements IApiMallShoppingCartService {
    private final MallGoodsSkuMapper mallGoodsSkuMapper;
    private final MallGoodsMapper mallGoodsMapper;
    @Override
    public List<ShoppingCartGoodsVo> findCartGoodsList() {
    public List<ShoppingCartGoodsVo> findCartGoodsList(Integer type) {
        if (type == null) {
            type = 1;
        }
        Long memberId = LoginUserUtil.getLoginUser().getId();
        List<MallShoppingCart> carts = this.baseMapper.selectCartGoodsList(memberId);
        List<MallShoppingCart> carts = this.baseMapper.selectCartGoodsList(memberId, type);
        return MallShoppingCartConversion.INSTANCE.entityListToVoList(carts);
    }
    @Override
    public void addGoodsToCart(AddCartDto addCartDto) {
        MallGoodsSku sku = mallGoodsSkuMapper.selectById(addCartDto.getSkuId());
        if (sku == null) {
            throw new FebsException("sku不存在");
        }
    @Transactional(rollbackFor = Exception.class)
    public void addGoodsToCart(List<AddCartDto> addCartDtoList) {
        Long memberId = LoginUserUtil.getLoginUser().getId();
        for (AddCartDto addCartDto : addCartDtoList) {
            Long goodsId = null;
            Long skuId = null;
            Long styleId = null;
            MallShoppingCart cartGoods = null;
        MallShoppingCart cartGoods = this.baseMapper.selectCartGoodsBySkuId(sku.getId(), memberId);
        if (cartGoods == null) {
            cartGoods = new MallShoppingCart();
            cartGoods.setGoodsId(sku.getGoodsId());
            cartGoods.setSkuId(sku.getId());
            cartGoods.setStyleId(sku.getStyleId());
            cartGoods.setCnt(addCartDto.getCnt());
            cartGoods.setMemberId(memberId);
            if (addCartDto.getType() == null) {
                addCartDto.setType(1);
            }
            this.baseMapper.insert(cartGoods);
        } else {
            cartGoods.setCnt(cartGoods.getCnt() + addCartDto.getCnt());
            this.baseMapper.updateById(cartGoods);
            if (addCartDto.getType() == 1) {
                MallGoodsSku sku = mallGoodsSkuMapper.selectById(addCartDto.getSkuId());
                if (sku == null) {
                    throw new FebsException("sku不存在");
                }
                goodsId = sku.getGoodsId();
                skuId = sku.getId();
                styleId = sku.getStyleId();
                cartGoods = this.baseMapper.selectCartGoodsBySkuId(addCartDto.getSkuId(), memberId);
            } else {
                MallGoods mallGoods = mallGoodsMapper.selectById(addCartDto.getSkuId());
                if (mallGoods == null) {
                    throw new FebsException("积分商品不存在");
                }
                goodsId = mallGoods.getId();
                LambdaQueryWrapper<MallShoppingCart> cartQuery = new LambdaQueryWrapper<>();
                cartQuery.eq(MallShoppingCart::getGoodsId, goodsId)
                        .eq(MallShoppingCart::getMemberId, memberId)
                        .last("limit 1");
                cartGoods = this.baseMapper.selectOne(cartQuery);
            }
            if (cartGoods == null) {
                cartGoods = new MallShoppingCart();
                cartGoods.setGoodsId(goodsId);
                cartGoods.setSkuId(skuId);
                cartGoods.setStyleId(styleId);
                cartGoods.setCnt(addCartDto.getCnt());
                cartGoods.setMemberId(memberId);
                cartGoods.setType(addCartDto.getType());
                this.baseMapper.insert(cartGoods);
            } else {
                cartGoods.setCnt(cartGoods.getCnt() + addCartDto.getCnt());
                this.baseMapper.updateById(cartGoods);
            }
        }
    }
}