package cn.iocoder.yudao.module.erp.dal.mysql.stock;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.map.MapUtil;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
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import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
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import cn.iocoder.yudao.module.erp.controller.admin.stock.vo.stock.ErpStockPageReqVO;
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import cn.iocoder.yudao.module.erp.dal.dataobject.stock.ErpStockDO;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import org.apache.ibatis.annotations.Mapper;
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import java.math.BigDecimal;
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import java.util.List;
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import java.util.Map;
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/**
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* ERP 产品库存 Mapper
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*
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* @author 芋道源码
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*/
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@Mapper
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public interface ErpStockMapper extends BaseMapperX<ErpStockDO> {
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default PageResult<ErpStockDO> selectPage(ErpStockPageReqVO reqVO) {
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return selectPage(reqVO, new LambdaQueryWrapperX<ErpStockDO>()
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.eqIfPresent(ErpStockDO::getProductId, reqVO.getProductId())
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.eqIfPresent(ErpStockDO::getWarehouseId, reqVO.getWarehouseId())
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.orderByDesc(ErpStockDO::getId));
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}
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default ErpStockDO selectByProductIdAndWarehouseId(Long productId, Long warehouseId) {
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return selectOne(ErpStockDO::getProductId, productId,
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ErpStockDO::getWarehouseId, warehouseId);
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}
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default int updateCountIncrement(Long id, BigDecimal count, boolean negativeEnable) {
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LambdaUpdateWrapper<ErpStockDO> updateWrapper = new LambdaUpdateWrapper<ErpStockDO>()
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.eq(ErpStockDO::getId, id);
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if (count.compareTo(BigDecimal.ZERO) > 0) {
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updateWrapper.setSql("count = count + " + count);
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} else if (count.compareTo(BigDecimal.ZERO) < 0) {
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if (!negativeEnable) {
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updateWrapper.ge(ErpStockDO::getCount, count.abs());
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}
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updateWrapper.setSql("count = count - " + count.abs());
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}
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return update(null, updateWrapper);
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}
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default BigDecimal selectSumByProductId(Long productId) {
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// SQL sum 查询
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List<Map<String, Object>> result = selectMaps(new QueryWrapper<ErpStockDO>()
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.select("SUM(count) AS sum_count")
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.eq("product_id", productId));
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// 获得数量
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if (CollUtil.isEmpty(result)) {
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return BigDecimal.ZERO;
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}
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return BigDecimal.valueOf(MapUtil.getDouble(result.get(0), "sum_count", 0D));
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}
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}
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