package com.ltkj.mall.mapper;

import java.util.List;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.ltkj.mall.domain.MallKeyword;
import com.ltkj.mall.domain.MallOrder;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

/**
 * 关键字Mapper接口
 *
 * @author ltkj_赵佳豪&李格
 * @date 2023-07-13
 */
@Mapper
public interface MallKeywordMapper extends BaseMapper<MallKeyword> {
    /**
     * 查询关键字
     *
     * @param id 关键字主键
     * @return 关键字
     */
    public MallKeyword selectMallKeywordById(Long id);

    /**
     * 查询关键字列表
     *
     * @param mallKeyword 关键字
     * @return 关键字集合
     */
    public List<MallKeyword> selectMallKeywordList(MallKeyword mallKeyword);

    /**
     * 新增关键字
     *
     * @param mallKeyword 关键字
     * @return 结果
     */
    public int insertMallKeyword(MallKeyword mallKeyword);

    /**
     * 修改关键字
     *
     * @param mallKeyword 关键字
     * @return 结果
     */
    public int updateMallKeyword(MallKeyword mallKeyword);

    /**
     * 删除关键字
     *
     * @param id 关键字主键
     * @return 结果
     */
    public int deleteMallKeywordById(Long id);

    /**
     * 批量删除关键字
     *
     * @param ids 需要删除的数据主键集合
     * @return 结果
     */
    public int deleteMallKeywordByIds(Long[] ids);


    @Select({"<script>"," SELECT GROUP_CONCAT(a.keyword ORDER BY a.keyword) AS names FROM mall_keyword a WHERE a.id IN", "<foreach collection='ids' item='id' open='(' separator=',' close=')'>",
            "#{id}",
            "</foreach>",
            "</script>" })
    String getKeyNames(@Param("ids")String[] ids);


    @Select({"<script>"," SELECT a.id FROM mall_keyword a WHERE a.id IN ", "<foreach collection='ids'" +
            " item='id' open='(' separator=',' close=')'>",
            "#{id}",
            "</foreach>",
            "</script>" })
    List<String> getKeyIds(@Param("ids")String[] ids);
}