nxdt-system/bonus-modules/bonus-exam/src/main/resources/mapper/exam/CoursewareLibraryMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.bonus.exam.mapper.CoursewareLibraryMapper">

    <!--添加课件库-文件目录-->
    <insert id="addFolder">
        INSERT INTO edu_courseware
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="coursewareName != null and coursewareName != ''">courseware_name,</if>
            <if test="createUserId != null">create_user_id,</if>
            <if test="createUserName != null and createUserName!=''">create_user_name,</if>
            create_time,
            update_time,
            file_type,
            parent_id,
            is_active,
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="coursewareName != null and coursewareName != ''">#{coursewareName},</if>
            <if test="createUserId != null">#{createUserId},</if>
            <if test="createUserName != null and createUserName!=''">#{createUserName},</if>
            #{createTime},
            #{updateTime},
            '1',
            #{parentId},
            '1'
        </trim>
    </insert>
    <!--批量添加课件库-->
    <insert id="batchAddCourseware">
        INSERT INTO edu_courseware(courseware_id,courseware_name,courseware_size,study_time,create_user_id,create_user_name,
                                   create_time,update_time,file_type,parent_id,is_active,marl,file_path,suffix) VALUES
        <foreach collection="list" separator="," item="item">
            (
            null,#{item.coursewareName},#{item.coursewareSize},#{item.studyTime},#{item.createUserId},#{item.createUserName},
             #{item.createTime},#{item.updateTime},#{item.fileType},#{item.parentId},'1',#{item.marl},#{item.filePath},#{item.suffix}
            )
        </foreach>
    </insert>
    <!--重命名课件库-课件库-文件目录/文件-1.重命名 2.备注 3.删除 4.移动-->
    <update id="operFolderOrFile">
        <if test="operType == 1">
            UPDATE edu_courseware SET courseware_name = #{coursewareName},update_time = #{updateTime} WHERE courseware_id = #{coursewareId}
        </if>
        <if test="operType == 2">
            UPDATE edu_courseware SET marl = #{marl},update_time = #{updateTime} WHERE courseware_id = #{coursewareId}
        </if>
        <if test="operType == 3">
            UPDATE edu_courseware SET is_active = '0' WHERE courseware_id IN (
                <foreach collection="delData" item="id" index="index" separator=",">
                    #{id}
                </foreach>
            )
        </if>
        <if test="operType == 4">
            UPDATE edu_courseware SET parent_id = #{parentId} WHERE courseware_id = #{coursewareId}
        </if>
    </update>
    <!--判断同一层级文件目录是否存在-->
    <select id="isExistFolder" resultType="java.lang.Integer">
        <if test="coursewareId == null">
            SELECT COUNT(*) FROM edu_courseware WHERE courseware_name = #{coursewareName} AND parent_id = #{parentId} AND is_active = '1'
        </if>
        <if test="coursewareId != null">
            SELECT COUNT(*) FROM edu_courseware WHERE courseware_id != #{coursewareId} AND courseware_name = #{coursewareName} AND parent_id = #{parentId} AND is_active = '1'
        </if>
    </select>
    <!--课件库-treeTable列表-->
    <select id="getCoursewareTreeTable" resultType="com.bonus.common.exam.vo.CoursewareVo">
        SELECT courseware_id AS coursewareId,
               courseware_name AS coursewareName,
               IFNULL(suffix,'.zip') as suffix,
               IFNULL(courseware_size,0) AS coursewareSize,
               IFNULL(study_time,0) AS studyTime,
               create_user_name AS createUserName,
               update_time AS updateTime,
               file_type AS fileType,
               parent_id AS parentId,
               file_path AS filePath,
               IFNULL(marl,'') AS marl
        FROM edu_courseware
        WHERE is_active = '1'
        ORDER BY update_time
    </select>
    <!--根据文件ID获取下面的所有子集-->
    <select id="getChilds" resultType="com.bonus.common.exam.vo.CoursewareVo">
        SELECT courseware_id AS coursewareId,
               parent_id AS parentId,
               file_type AS fileType,
               file_path AS filePath,
               courseware_name AS coursewareName,
               suffix
        FROM (
              SELECT courseware_id,parent_id,file_type,file_path,courseware_name,suffix
              FROM edu_courseware
              WHERE is_active = '1'
              ORDER BY parent_id, courseware_id
        ) org_query,
        (SELECT @courseware_id := #{coursewareId}) initialisation
        WHERE FIND_IN_SET(parent_id, @courseware_id) > 0 AND @courseware_id := CONCAT(@courseware_id, ',', courseware_id)
        UNION ALL
        SELECT courseware_id AS coursewareId,
               parent_id AS parentId,
               file_type AS fileType,
               file_path AS filePath,
               courseware_name AS coursewareName,
               suffix
        FROM edu_courseware
        WHERE courseware_id = #{coursewareId} AND is_active = '1'
    </select>
    <!--获取文件详情-->
    <select id="getFilePath" resultType="com.bonus.common.exam.vo.CoursewareVo">
        SELECT courseware_name AS coursewareName,
               file_path AS filePath,suffix
        FROM edu_courseware WHERE courseware_id = #{coursewareId}
    </select>
    <!--获取节点的所有的父层级-->
    <select id="getTempFilePaths" resultType="java.lang.String">
        SELECT ece.courseware_name AS coursewareName FROM (
                  SELECT t2.courseware_id
                  FROM ( SELECT @r AS _id, (SELECT @r := parent_id FROM edu_courseware WHERE courseware_id = _id) AS parent_id,
                                @l := @l + 1 AS lvl FROM (SELECT @r := #{coursewareId}, @l := 0) vars, edu_courseware WHERE @r != 0) t1
                           JOIN edu_courseware t2 ON t1._id = t2.courseware_id
                  ORDER BY t1.lvl DESC
              ) a
        LEFT JOIN edu_courseware ece ON a.courseware_id = ece.courseware_id
    </select>
    <!--题库tree-->
    <select id="getCoursewareLibraryTree" resultType="com.bonus.common.exam.vo.CoursewareLibraryTreeVo">
        SELECT courseware_id AS coursewareId,
               courseware_name AS coursewareName,
               parent_id AS parentId
        FROM edu_courseware
        WHERE file_type = '1' AND is_active = '1'
        ORDER BY update_time
    </select>
    <!--查询库中是否已经存在选项图片-->
    <select id="isHasQuestionsPicture" resultType="java.lang.Integer">
        SELECT COUNT(*) FROM edu_questions_picture WHERE parent_id = #{answerId} AND picture_type = '2'
    </select>
    <select id="getSelectFileToDownload" resultType="com.bonus.common.exam.vo.CoursewareVo">
        SELECT
        courseware_id AS coursewareId,
        parent_id AS parentId,
        file_type AS fileType,
        file_path AS filePath,
        courseware_name AS coursewareName,
        suffix
        FROM edu_courseware
        WHERE courseware_id in
        <foreach collection="arr" item="id" open="(" separator="," close=")">
            #{id}
        </foreach>
    </select>
</mapper>