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schoolNews/schoolNewsServ/study/src/main/resources/mapper/TaskItemMapper.xml

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<?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="org.xyzh.study.mapper.TaskItemMapper">
<!-- 基础结果映射 -->
<resultMap id="BaseResultMap" type="org.xyzh.common.dto.study.TbTaskItem">
<id column="id" property="id" jdbcType="VARCHAR"/>
<result column="task_id" property="taskID" jdbcType="VARCHAR"/>
<result column="item_type" property="itemType" jdbcType="INTEGER"/>
<result column="item_id" property="itemID" jdbcType="VARCHAR"/>
<result column="required" property="required" jdbcType="BOOLEAN"/>
<result column="order_num" property="orderNum" jdbcType="INTEGER"/>
<result column="creator" property="creator" jdbcType="VARCHAR"/>
<result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
<result column="updater" property="updater" jdbcType="VARCHAR"/>
<result column="update_time" property="updateTime" jdbcType="TIMESTAMP"/>
<result column="delete_time" property="deleteTime" jdbcType="TIMESTAMP"/>
<result column="deleted" property="deleted" jdbcType="BOOLEAN"/>
</resultMap>
<resultMap id="TaskItemResultMap" type="org.xyzh.common.vo.TaskItemVO">
<id column="id" property="id" jdbcType="VARCHAR"/>
<result column="task_id" property="taskID" jdbcType="VARCHAR"/>
<result column="item_type" property="itemType" jdbcType="INTEGER"/>
<result column="course_id" property="courseID" jdbcType="VARCHAR"/>
<result column="course_name" property="courseName" jdbcType="VARCHAR"/>
<result column="resource_id" property="resourceID" jdbcType="VARCHAR"/>
<result column="resource_name" property="resourceName" jdbcType="VARCHAR"/>
<result column="user_id" property="userID" jdbcType="VARCHAR"/>
<result column="user_name" property="userName" jdbcType="VARCHAR"/>
<result column="status" property="status" jdbcType="INTEGER"/>
<result column="progress" property="progress" jdbcType="DECIMAL"/>
<result column="complete_time" property="completeTime" jdbcType="TIMESTAMP"/>
<result column="required" property="required" jdbcType="BOOLEAN"/>
<result column="order_num" property="orderNum" jdbcType="INTEGER"/>
<result column="creator" property="creator" jdbcType="VARCHAR"/>
<result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
</resultMap>
<!-- 基础字段 -->
<sql id="Base_Column_List">
id, task_id, item_type, item_id, required, order_num, creator, create_time,
updater, update_time, delete_time, deleted
</sql>
<!-- 通用条件 -->
<sql id="Where_Clause">
<where>
deleted = 0
<if test="taskID != null and taskID != ''">
AND task_id = #{taskID}
</if>
<if test="itemType != null">
AND item_type = #{itemType}
</if>
<if test="itemID != null and itemID != ''">
AND item_id = #{itemID}
</if>
<if test="required != null">
AND required = #{required}
</if>
</where>
</sql>
<!-- selectTaskItems -->
<select id="selectTaskItems" resultMap="BaseResultMap">
SELECT
<include refid="Base_Column_List"/>
FROM tb_task_item
<include refid="Where_Clause"/>
ORDER BY order_num ASC, create_time ASC
</select>
<!-- 根据关联ID查询关联信息 -->
<select id="selectByRelationId" resultMap="BaseResultMap">
SELECT
<include refid="Base_Column_List" />
FROM tb_task_item
WHERE id = #{relationId} AND deleted = 0
</select>
<!-- 根据任务ID查询项关联列表 -->
<select id="selectByTaskId" resultMap="BaseResultMap">
SELECT
<include refid="Base_Column_List" />
FROM tb_task_item
WHERE task_id = #{taskId} AND deleted = 0
ORDER BY order_num ASC, create_time ASC
</select>
<!-- 根据任务ID和类型查询项关联列表 -->
<select id="selectByTaskIdAndType" resultMap="BaseResultMap">
SELECT
<include refid="Base_Column_List" />
FROM tb_task_item
WHERE task_id = #{taskId} AND item_type = #{itemType} AND deleted = 0
ORDER BY order_num ASC, create_time ASC
</select>
<!-- 根据任务ID查询任务项VO列表带学习状态 -->
<select id="selectTaskItemVOByTaskId" resultMap="TaskItemResultMap">
SELECT
tti.*,
CASE
WHEN tti.item_type = 1 THEN tr.title
WHEN tti.item_type = 2 THEN tc.name
END as item_name,
CASE
WHEN tti.item_type = 1 THEN tti.item_id
ELSE NULL
END as resource_id,
CASE
WHEN tti.item_type = 1 THEN tr.title
ELSE NULL
END as resource_name,
CASE
WHEN tti.item_type = 2 THEN tti.item_id
ELSE NULL
END as course_id,
CASE
WHEN tti.item_type = 2 THEN tc.name
ELSE NULL
END as course_name,
-- 学习状态0未开始 1进行中 2已完成
CASE
-- 资源类型:直接从学习记录查询
WHEN tti.item_type = 1 THEN
CASE
WHEN lr_resource.is_complete = 1 THEN 2
WHEN lr_resource.id IS NOT NULL THEN 1
ELSE 0
END
-- 课程类型:判断所有节点是否完成
WHEN tti.item_type = 2 THEN
CASE
WHEN course_stats.total_nodes = 0 THEN 0
WHEN course_stats.completed_nodes = course_stats.total_nodes THEN 2
WHEN course_stats.completed_nodes > 0 THEN 1
ELSE 0
END
ELSE 0
END as status,
-- 学习进度
CASE
WHEN tti.item_type = 1 THEN COALESCE(lr_resource.progress, 0)
WHEN tti.item_type = 2 THEN
CASE
WHEN course_stats.total_nodes = 0 THEN 0
ELSE ROUND((course_stats.completed_nodes * 100.0 / course_stats.total_nodes), 2)
END
ELSE 0
END as progress
FROM tb_task_item tti
LEFT JOIN tb_resource tr ON tti.item_type = 1 AND tti.item_id = tr.resource_id AND tr.deleted = 0
LEFT JOIN tb_course tc ON tti.item_type = 2 AND tti.item_id = tc.course_id AND tc.deleted = 0
-- 资源学习记录
LEFT JOIN tb_learning_record lr_resource ON tti.item_type = 1
AND lr_resource.resource_type = 1
AND lr_resource.resource_id = tti.item_id
AND lr_resource.task_id = tti.task_id
AND lr_resource.deleted = 0
-- 课程学习统计(统计课程下所有节点的完成情况)
LEFT JOIN (
SELECT
tti.item_id as course_id,
COUNT(DISTINCT tcn.node_id) as total_nodes,
COUNT(DISTINCT CASE WHEN lr.is_complete = 1 THEN lr.node_id END) as completed_nodes
FROM tb_task_item tti
INNER JOIN tb_course_chapter tcc ON tti.item_type = 2 AND tti.item_id = tcc.course_id AND tcc.deleted = 0
INNER JOIN tb_course_node tcn ON tcc.chapter_id = tcn.chapter_id AND tcn.deleted = 0
LEFT JOIN tb_learning_record lr ON lr.resource_type = 2
AND tti.item_id = lr.course_id
AND lr.node_id = tcn.node_id
AND lr.deleted = 0
WHERE tti.task_id = #{taskId} AND tti.deleted = 0
GROUP BY tti.item_id
) course_stats ON tti.item_type = 2 AND course_stats.course_id = tti.item_id
WHERE tti.task_id = #{taskId} AND tti.deleted = 0
ORDER BY tti.order_num ASC, tti.create_time ASC
</select>
<!-- 根据任务ID和用户ID查询任务项视图对象列表包含该用户的学习状态 -->
<select id="selectTaskItemVOByTaskIdAndUserId" resultMap="TaskItemResultMap">
SELECT
tti.*,
CASE
WHEN tti.item_type = 1 THEN tr.title
WHEN tti.item_type = 2 THEN tc.name
END as item_name,
CASE
WHEN tti.item_type = 1 THEN tti.item_id
ELSE NULL
END as resource_id,
CASE
WHEN tti.item_type = 1 THEN tr.title
ELSE NULL
END as resource_name,
CASE
WHEN tti.item_type = 2 THEN tti.item_id
ELSE NULL
END as course_id,
CASE
WHEN tti.item_type = 2 THEN tc.name
ELSE NULL
END as course_name,
-- 学习状态0未开始 1进行中 2已完成
CASE
-- 资源类型:直接从学习记录查询
WHEN tti.item_type = 1 THEN
CASE
WHEN lr_resource.is_complete = 1 THEN 2
WHEN lr_resource.id IS NOT NULL THEN 1
ELSE 0
END
-- 课程类型:判断所有节点是否完成
WHEN tti.item_type = 2 THEN
CASE
WHEN course_stats.total_nodes = 0 THEN 0
WHEN course_stats.completed_nodes = course_stats.total_nodes THEN 2
WHEN course_stats.completed_nodes > 0 THEN 1
ELSE 0
END
ELSE 0
END as status,
-- 学习进度
CASE
WHEN tti.item_type = 1 THEN COALESCE(lr_resource.progress, 0)
WHEN tti.item_type = 2 THEN
CASE
WHEN course_stats.total_nodes = 0 THEN 0
ELSE ROUND((course_stats.completed_nodes * 100.0 / course_stats.total_nodes), 2)
END
ELSE 0
END as progress
FROM tb_task_item tti
LEFT JOIN tb_resource tr ON tti.item_type = 1 AND tti.item_id = tr.resource_id AND tr.deleted = 0
LEFT JOIN tb_course tc ON tti.item_type = 2 AND tti.item_id = tc.course_id AND tc.deleted = 0
-- 资源学习记录(限定用户)
LEFT JOIN tb_learning_record lr_resource ON tti.item_type = 1
AND lr_resource.resource_type = 1
AND lr_resource.resource_id = tti.item_id
AND lr_resource.task_id = tti.task_id
AND lr_resource.user_id = #{userId}
AND lr_resource.deleted = 0
-- 课程学习统计(统计课程下所有节点的完成情况,限定用户)
LEFT JOIN (
SELECT
tti.item_id as course_id,
COUNT(DISTINCT tcn.node_id) as total_nodes,
COUNT(DISTINCT CASE WHEN lr.is_complete = 1 THEN lr.node_id END) as completed_nodes
FROM tb_task_item tti
INNER JOIN tb_course_chapter tcc ON tti.item_type = 2 AND tti.item_id = tcc.course_id AND tcc.deleted = 0
INNER JOIN tb_course_node tcn ON tcc.chapter_id = tcn.chapter_id AND tcn.deleted = 0
LEFT JOIN tb_learning_record lr ON lr.resource_type = 2
AND tti.item_id = lr.course_id
AND lr.node_id = tcn.node_id
AND lr.user_id = #{userId}
AND lr.deleted = 0
WHERE tti.task_id = #{taskId} AND tti.deleted = 0
GROUP BY tti.item_id
) course_stats ON tti.item_type = 2 AND course_stats.course_id = tti.item_id
WHERE tti.task_id = #{taskId} AND tti.deleted = 0
ORDER BY tti.order_num ASC, tti.create_time ASC
</select>
<!-- 根据项ID查询任务关联列表 -->
<select id="selectByItemId" resultMap="BaseResultMap">
SELECT
<include refid="Base_Column_List" />
FROM tb_task_item
WHERE item_id = #{itemId} AND item_type = #{itemType} AND deleted = 0
ORDER BY order_num ASC, create_time ASC
</select>
<!-- 根据任务ID和项ID查询关联信息 -->
<select id="selectByTaskIdAndItemId" resultMap="BaseResultMap">
SELECT
<include refid="Base_Column_List" />
FROM tb_task_item
WHERE task_id = #{taskId} AND item_id = #{itemId} AND item_type = #{itemType} AND deleted = 0
</select>
<!-- 检查任务项关联是否存在 -->
<select id="countByTaskIdAndItemId" resultType="int">
SELECT COUNT(1)
FROM tb_task_item
WHERE task_id = #{taskId} AND item_id = #{itemId} AND item_type = #{itemType} AND deleted = 0
<if test="excludeId != null and excludeId != ''">
AND id != #{excludeId}
</if>
</select>
<!-- 插入任务项关联 -->
<insert id="insertTaskItem" parameterType="org.xyzh.common.dto.study.TbTaskItem">
INSERT INTO tb_task_item (
id, task_id, item_type, item_id, required, order_num, creator, create_time
) VALUES (
#{id}, #{taskID}, #{itemType}, #{itemID}, #{required}, #{orderNum}, #{creator}, #{createTime}
)
</insert>
<!-- 更新任务项关联 -->
<update id="updateTaskItem" parameterType="org.xyzh.common.dto.study.TbTaskItem">
UPDATE tb_task_item
<set>
<if test="taskID != null and taskID != ''">
task_id = #{taskID},
</if>
<if test="itemType != null">
item_type = #{itemType},
</if>
<if test="itemID != null and itemID != ''">
item_id = #{itemID},
</if>
<if test="required != null">
required = #{required},
</if>
<if test="orderNum != null">
order_num = #{orderNum},
</if>
<if test="updater != null and updater != ''">
updater = #{updater},
</if>
<if test="updateTime != null">
update_time = #{updateTime},
</if>
<if test="deleteTime != null">
delete_time = #{deleteTime},
</if>
<if test="deleted != null">
deleted = #{deleted},
</if>
</set>
WHERE id = #{id}
</update>
<!-- 删除任务项关联(软删除) -->
<update id="deleteTaskItem" parameterType="org.xyzh.common.dto.study.TbTaskItem">
UPDATE tb_task_item
SET deleted = 1, delete_time = NOW()
WHERE id = #{id}
</update>
<!-- 批量插入任务项关联 -->
<insert id="batchInsertTaskItems" parameterType="java.util.List">
INSERT INTO tb_task_item (
id, task_id, item_type, item_id, required, order_num, creator, create_time
) VALUES
<foreach collection="taskItemList" item="item" separator=",">
(
#{item.id}, #{item.taskID}, #{item.itemType}, #{item.itemID}, #{item.required},
#{item.orderNum}, #{item.creator}, #{item.createTime}
)
</foreach>
</insert>
<!-- 批量删除任务项关联(软删除) -->
<update id="batchDeleteTaskItems">
UPDATE tb_task_item
SET deleted = 1, delete_time = NOW()
WHERE id IN
<foreach collection="ids" item="id" open="(" separator="," close=")">
#{id}
</foreach>
</update>
<!-- 根据任务ID批量删除项关联软删除 -->
<update id="deleteByTaskId">
UPDATE tb_task_item
SET deleted = 1, delete_time = NOW()
WHERE task_id = #{taskId}
</update>
<!-- 根据项ID批量删除任务关联软删除 -->
<update id="deleteByItemId">
UPDATE tb_task_item
SET deleted = 1, delete_time = NOW()
WHERE item_id = #{itemId} AND item_type = #{itemType}
</update>
<!-- 分页查询任务项关联 -->
<select id="selectTaskItemsPage" resultMap="BaseResultMap">
SELECT
<include refid="Base_Column_List" />
FROM tb_task_item
<include refid="Where_Clause" />
ORDER BY order_num ASC, create_time ASC
LIMIT #{pageParam.pageSize} OFFSET #{pageParam.offset}
</select>
<!-- 统计任务项关联总数 -->
<select id="countTaskItems" resultType="long">
SELECT COUNT(1)
FROM tb_task_item
<include refid="Where_Clause" />
</select>
</mapper>