<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.mes.device.mapper.DeviceGroupRelationMapper">
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<!-- 批量添加设备到设备组 -->
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<insert id="batchAddDevicesToGroup" parameterType="map">
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INSERT INTO device_group_relation (group_id, device_id, role, status, priority, connection_order,
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created_time, updated_time, created_by, updated_by)
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SELECT
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#{groupId},
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t.device_id,
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CASE
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WHEN #{deviceRole} = 'CONTROLLER' THEN 1
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WHEN #{deviceRole} = 'COLLABORATOR' THEN 2
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WHEN #{deviceRole} = 'MONITOR' THEN 3
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ELSE 2
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END,
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1,
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5,
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(SELECT IFNULL(MAX(connection_order), 0) FROM device_group_relation WHERE group_id = #{groupId} AND is_deleted = 0) +
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t.row_num as connection_order,
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NOW(),
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NOW(),
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'system',
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'system'
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FROM (
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SELECT
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device_id,
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@row_num := @row_num + 1 as row_num
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FROM (
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<foreach collection="deviceIds" item="deviceId" separator=" UNION ALL ">
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SELECT #{deviceId} as device_id
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</foreach>
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) d
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CROSS JOIN (SELECT @row_num := 0) r
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ORDER BY device_id
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) t
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WHERE NOT EXISTS (
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SELECT 1 FROM device_group_relation dgr
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WHERE dgr.group_id = #{groupId} AND dgr.device_id = t.device_id AND dgr.is_deleted = 0
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)
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</insert>
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<!-- 批量从设备组移除设备 -->
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<update id="batchRemoveDevicesFromGroup" parameterType="map">
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UPDATE device_group_relation
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SET is_deleted = 1, updated_time = NOW(), updated_by = 'system'
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WHERE group_id = #{groupId}
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AND device_id IN
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<foreach collection="deviceIds" item="deviceId" open="(" separator="," close=")">
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#{deviceId}
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</foreach>
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AND is_deleted = 0
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</update>
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<!-- 更新设备在设备组中的角色 -->
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<update id="updateDeviceRole" parameterType="map">
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UPDATE device_group_relation
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SET role = CASE
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WHEN #{deviceRole} = 'CONTROLLER' THEN 1
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WHEN #{deviceRole} = 'COLLABORATOR' THEN 2
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WHEN #{deviceRole} = 'MONITOR' THEN 3
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ELSE 2
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END,
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updated_time = NOW(),
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updated_by = 'system'
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WHERE group_id = #{groupId}
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AND device_id = #{deviceId}
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AND is_deleted = 0
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</update>
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<!-- 检查设备是否已在设备组中 -->
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<select id="checkDeviceInGroup" parameterType="map" resultType="boolean">
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SELECT COUNT(*) > 0
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FROM device_group_relation
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WHERE group_id = #{groupId}
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AND device_id = #{deviceId}
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AND is_deleted = 0
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</select>
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<!-- 删除设备组关联 -->
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<delete id="deleteDeviceFromGroup">
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UPDATE device_group_relation
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SET is_deleted = 1, updated_time = NOW(), updated_by = 'system'
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WHERE group_id = #{groupId}
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AND device_id = #{deviceId}
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AND is_deleted = 0
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</delete>
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</mapper>
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