package cn.iocoder.yudao.module.erp.dal.mysql.sale;
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import cn.hutool.core.collection.CollUtil;
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import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
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import cn.iocoder.yudao.module.erp.dal.dataobject.sale.ErpSaleReturnItemDO;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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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.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
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/**
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* ERP 销售退货项 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 ErpSaleReturnItemMapper extends BaseMapperX<ErpSaleReturnItemDO> {
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default List<ErpSaleReturnItemDO> selectListByReturnId(Long returnId) {
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return selectList(ErpSaleReturnItemDO::getReturnId, returnId);
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}
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default List<ErpSaleReturnItemDO> selectListByReturnIds(Collection<Long> returnIds) {
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return selectList(ErpSaleReturnItemDO::getReturnId, returnIds);
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}
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default int deleteByReturnId(Long returnId) {
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return delete(ErpSaleReturnItemDO::getReturnId, returnId);
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}
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/**
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* 基于销售订单编号，查询每个销售订单项的退货数量之和
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*
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* @param returnIds 出库订单项编号数组
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* @return key：销售订单项编号；value：退货数量之和
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*/
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default Map<Long, BigDecimal> selectOrderItemCountSumMapByReturnIds(Collection<Long> returnIds) {
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if (CollUtil.isEmpty(returnIds)) {
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return Collections.emptyMap();
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}
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// SQL sum 查询
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List<Map<String, Object>> result = selectMaps(new QueryWrapper<ErpSaleReturnItemDO>()
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.select("order_item_id, SUM(count) AS sum_count")
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.groupBy("order_item_id")
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.in("return_id", returnIds));
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// 获得数量
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return convertMap(result, obj -> (Long) obj.get("order_item_id"), obj -> (BigDecimal) obj.get("sum_count"));
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}
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}
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