package cn.iocoder.yudao.module.promotion.dal.mysql.bargain;
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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.common.util.collection.CollectionUtils;
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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.promotion.controller.admin.bargain.vo.help.BargainHelpPageReqVO;
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import cn.iocoder.yudao.module.promotion.dal.dataobject.bargain.BargainHelpDO;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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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.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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@Mapper
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public interface BargainHelpMapper extends BaseMapperX<BargainHelpDO> {
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default Long selectCountByUserIdAndActivityId(Long userId, Long activityId) {
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return selectCount(new LambdaQueryWrapper<>(BargainHelpDO.class)
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.eq(BargainHelpDO::getUserId, userId)
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.eq(BargainHelpDO::getActivityId, activityId));
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}
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default Long selectUserCountMapByRecordId(Long recordId) {
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return selectCount(BargainHelpDO::getRecordId, recordId);
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}
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default BargainHelpDO selectByUserIdAndRecordId(Long userId, Long recordId) {
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return selectOne(new LambdaQueryWrapper<>(BargainHelpDO.class)
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.eq(BargainHelpDO::getUserId, userId)
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.eq(BargainHelpDO::getRecordId, recordId));
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}
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default Map<Long, Integer> selectUserCountMapByActivityId(Collection<Long> activityIds) {
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// SQL count 查询
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List<Map<String, Object>> result = selectMaps(new QueryWrapper<BargainHelpDO>()
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.select("COUNT(DISTINCT(user_id)) AS userCount, activity_id AS activityId")
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.in("activity_id", activityIds)
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.groupBy("activity_id"));
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if (CollUtil.isEmpty(result)) {
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return Collections.emptyMap();
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}
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// 转换数据
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return CollectionUtils.convertMap(result,
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record -> MapUtil.getLong(record, "activityId"),
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record -> MapUtil.getInt(record, "userCount" ));
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}
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default Map<Long, Integer> selectUserCountMapByRecordId(Collection<Long> recordIds) {
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// SQL count 查询
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List<Map<String, Object>> result = selectMaps(new QueryWrapper<BargainHelpDO>()
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.select("COUNT(1) AS userCount, record_id AS recordId")
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.in("record_id", recordIds)
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.groupBy("record_id"));
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if (CollUtil.isEmpty(result)) {
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return Collections.emptyMap();
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}
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// 转换数据
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return CollectionUtils.convertMap(result,
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record -> MapUtil.getLong(record, "recordId"),
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record -> MapUtil.getInt(record, "userCount" ));
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}
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default PageResult<BargainHelpDO> selectPage(BargainHelpPageReqVO reqVO) {
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return selectPage(reqVO, new LambdaQueryWrapperX<BargainHelpDO>()
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.eqIfPresent(BargainHelpDO::getRecordId, reqVO.getRecordId())
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.orderByDesc(BargainHelpDO::getId));
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}
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default List<BargainHelpDO> selectListByRecordId(Long recordId) {
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return selectList(new LambdaQueryWrapperX<BargainHelpDO>()
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.eq(BargainHelpDO::getRecordId, recordId));
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}
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}
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