package com.gkhy.exam.system.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.gkhy.exam.system.domain.ExCourseChapter;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import java.util.List;
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/**
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* <p>
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* 课程章节表 Mapper 接口
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* </p>
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*
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* @author kzy
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* @since 2024-06-05 15:07:36
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*/
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@Mapper
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public interface ExCourseChapterMapper extends BaseMapper<ExCourseChapter> {
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/**
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* 根据条件分页查询课程章节
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* @param chapter
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* @return
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*/
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List<ExCourseChapter> selectChapterList(ExCourseChapter chapter);
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/**
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* 根据id获取章节信息
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* @param chapterId
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* @return
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*/
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ExCourseChapter selectChapterById(Long chapterId);
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/**
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* 校验章节名称是否唯一
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* @param name
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* @param courseId
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* @return
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*/
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ExCourseChapter checkNameUnique(@Param("name") String name, @Param("courseId")Long courseId);
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/**
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* 根据课程id查询章节列表
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* @param courseId
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* @return
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*/
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List<ExCourseChapter> selectChapterByCourseId(Long courseId);
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/**
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* 根据课程id查询章节数量
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* @param courseId
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* @return
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*/
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Integer selectCountByCourseId(Long courseId);
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/**
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* 查看章节下绑定的课时信息数量
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* @param chapterId
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* @return
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*/
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int selectPeriodCountById(Long chapterId);
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}
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