api/src/main/resources/mapper/base/BaseClassCourse.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.xjrsoft.module.base.mapper.BaseClassCourseMapper">
    <select id="getPage" parameterType="com.xjrsoft.module.base.dto.BaseClassCoursePageDto" resultType="com.xjrsoft.module.base.vo.BaseClassCoursePageVo">
        SELECT t.id AS class_id, t.name AS class_name, t1.name AS teacher_name, t3.name AS major_name, t4.name AS dept_name,
        GROUP_CONCAT(DISTINCT t6.name SEPARATOR '、') AS course_name,
        GROUP_CONCAT(DISTINCT t7.book_name SEPARATOR '、') AS textbook_name
        FROM base_class t
        LEFT JOIN xjr_user t1 ON t1.id = t.teacher_id
        LEFT JOIN base_class_major_set t2 ON t2.class_id = t.id
        LEFT JOIN base_major_set t3 ON t3.id = t2.major_set_id
        LEFT JOIN xjr_department t4 ON t4.id = t.org_id
        LEFT JOIN base_class_course t5 ON t5.class_id = t.id
        LEFT JOIN base_course_subject t6 ON t6.id = t5.course_id
        LEFT JOIN textbook t7 ON t7.id = t5.textbook_id
        WHERE t5.delete_mark = 0
        <if test="dto.className != null">
            and t.name = #{dto.className}
        </if>
        <if test="dto.deptId != null">
            and t4.id = #{dto.deptId}
        </if>
        <if test="dto.semester != null">
            and (
            SELECT base_semester_id
            FROM textbook
            WHERE t5.textbook_id = id
            GROUP BY base_semester_id
            HAVING COUNT(DISTINCT base_semester_id) = 1
            ) = #{dto.semester}
        </if>
        GROUP BY t.id, t.name, t1.name, t3.name, t4.name
        <if test="dto.courseSet == 1">
            HAVING LENGTH(course_name) > 0
        </if>
        <if test="dto.courseSet == 2">
            HAVING COALESCE(LENGTH(course_name), 0) = 0
        </if>
    </select>


    <select id="getAllCourseBook" resultType="com.xjrsoft.module.base.entity.CourseBookInfo">
        select t1.id as courseId, t1.name as courseName,t.book_name as bookName
        from textbook t
        left join base_course_subject t1 on t.course_subject_id = t1.id
        left join subject_group t2 on t2.id = t.subject_group_id
        where t.delete_mark = 0
        <if test="subjectGroupId != null">
            AND t2.id = #{subjectGroupId}
        </if>
    </select>

    <select id="getSelectedCourseBook" resultType="com.xjrsoft.module.base.entity.CourseBookInfo">
        select t.id as courseId, t2.name as courseName, t1.book_name as bookName
        from base_class_course t
        left join textbook t1 on t1.id = t.textbook_id
        left join base_course_subject t2 on t.course_id = t2.id
        where t.delete_mark = 0
        <if test="classIds != null">
            AND t.class_id in
            <foreach item="classIds" collection="classIds" open="(" separator="," close=")">
                #{classIds}
            </foreach>
        </if>
<!--        <if test="subjectGroupId != null">-->
<!--            AND-->
<!--        </if>-->
    </select>

    <insert id="updateAddClassCourseTextbooks">
        INSERT INTO base_class_course (class_id, course_id, textbook_id, create_date, delete_mark, enabled_mark)
        VALUES (#{classId}, #{courseId}, #{textbookId},now(),0,1)
            ON DUPLICATE KEY UPDATE
                                 class_id = #{classId},
                                 course_id = #{courseId},
                                 textbook_id = #{textbookId}

    </insert>

    <update id="updateRemoveClassCourseTextbooks">
        UPDATE base_class_course
        SET delete_mark = 1
        WHERE class_id = #{classId}
          AND course_id = #{courseId}
          AND textbook_id = #{textbookId}
    </update>

    <update id="markExistingRecordsAsDeleted" parameterType="map">
        UPDATE base_class_course
        SET delete_mark = 1
        WHERE class_id = #{newClassId} AND (course_id IS NULL OR textbook_id IS NULL)
    </update>

    <insert id="insertClassCourseTextbookCombinations" parameterType="map">
        INSERT INTO base_class_course (class_id, course_id, textbook_id, create_date, delete_mark,enabled_mark)
        SELECT #{newClassId}, t.course_id, t.textbook_id, now(), 0, 1
        FROM (
                 SELECT course_id, textbook_id
                 FROM base_class_course
                 WHERE class_id = #{sourceClassId}
                   AND delete_mark = 0
                 GROUP BY course_id, textbook_id
             ) t
            ON DUPLICATE KEY UPDATE delete_mark = 0
    </insert>

    <select id="getClassIdByName" resultType="java.lang.Long">
        select t.id
        from base_class t
        where t.delete_mark = 0
        <if test="name != null">
            AND t.name = #{name}
        </if>
    </select>

    <select id="getCourseIdByName" resultType="java.lang.Long">
        select t.id
        from base_course_subject t
        where t.delete_mark = 0
        <if test="name != null">
            AND t.name = #{name}
        </if>
    </select>

    <select id="getBookIdByName" resultType="java.lang.Long">
        select t.id
        from textbook t
        where t.delete_mark = 0
        <if test="name != null">
            AND t.book_name = #{name}
        </if>
    </select>

    <select id="checkExits" resultType="java.lang.Boolean">
        SELECT COUNT(1)
        from base_class_course
        WHERE class_id = #{classId}
          AND course_id = #{courseId}
          AND textbook_id = #{textbookId}
    </select>
</mapper>