xkrs_ms/stdiet-custom/src/main/resources/mapper/custom/SysServicesQuestionMapper.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.stdiet.custom.mapper.SysServicesQuestionMapper">

    <resultMap type="SysServicesQuestion" id="SysServicesQuestionResult">
        <result column="id" property="id"/>
        <result column="que_id" property="queId"/>
        <result column="content" property="content"/>
        <result column="role" property="role"/>
        <result column="name" property="name"/>
        <result column="type" property="type"/>
        <result column="read" property="read"/>
        <result column="img" property="img" typeHandler="com.stdiet.custom.typehandler.ArrayJsonHandler"/>
        <result column="create_time" property="createTime"/>
        <result column="update_time" property="updateTime"/>
    </resultMap>

    <resultMap id="SysServicesQuestionSessionResult" type="SysServicesQuestion">
        <result column="id" property="id"/>
        <result column="type" property="type"/>
        <result column="content" property="content"/>
        <result column="img" property="img" typeHandler="com.stdiet.custom.typehandler.ArrayJsonHandler"/>
        <result column="create_time" property="createTime"/>
        <association property="name" column="{userId=user_id,role=role}" select="selectUserInfo"/>
    </resultMap>

    <!--    根据userId和角色查询问题列表-->
    <select id="selectSysServicesQuestionByUserIdAndRole" parameterType="SysServicesQuestion"
            resultMap="SysServicesQuestionResult">
        SELECT * FROM (
        SELECT * FROM sys_services_question_status WHERE role = #{role} AND user_id = #{userId}
        ) AS status
        LEFT JOIN sys_services_question USING(que_id)
        <choose>
            <when test="role == 'customer'">
                LEFT JOIN (
                SELECT name, id AS user_id FROM sys_customer WHERE id = #{userId}
                ) AS customer USING(user_id)
            </when>
            <otherwise>
                LEFT JOIN (
                SELECT role_key, sys_role.role_id, sys_user_role.user_id, sys_user.nick_name AS name FROM sys_role
                INNER JOIN sys_user_role USING(role_id)
                INNER JOIN sys_user USING(user_id)
                WHERE role_key = #{role} AND user_id = #{userId}
                ) AS user USING(user_id)
            </otherwise>
        </choose>
        ORDER BY `read` ASC, update_time DESC
    </select>

    <select id="selectSysServicesQuestionSessionByQueId" resultMap="SysServicesQuestionSessionResult"
            parameterType="String">
        select que_id, cus_id as user_id, 'customer' as role, content, img, create_time from sys_services_question where que_id = #{queId}
        union select que_id, user_id, role, content, img, create_time from sys_services_question_session where que_id = #{queId}
        order by create_time asc
    </select>

    <select id="selectUserInfo" parameterType="java.util.Map" resultType="String">
        <choose>
            <when test="_parameter.get('role') == 'customer'">
                select name from sys_customer where id = #{userId}
            </when>
            <otherwise>
                select nick_name from sys_user where user_id = #{userId}
            </otherwise>
        </choose>
    </select>

    <!--    插入问题-->
    <insert id="insertSysServicesQuestion" parameterType="SysServicesQuestion" useGeneratedKeys="true"
            keyProperty="queId" keyColumn="que_id">
        insert into sys_services_question
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="queId != null">que_id,</if>
            <if test="cusId != null">cus_id,</if>
            <if test="content != null">content,</if>
            <if test="type != null">type,</if>
            <if test="createTime != null">create_time,</if>
            <if test="img != null">img,</if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="queId != null">#{queId},</if>
            <if test="cusId != null">#{cusId},</if>
            <if test="content != null">#{content},</if>
            <if test="type != null">#{type},</if>
            <if test="createTime != null">#{createTime},</if>
            <if test="img != null">
                #{img,  jdbcType=OTHER, typeHandler=com.stdiet.custom.typehandler.ArrayJsonHandler},
            </if>
        </trim>
    </insert>

    <!--    插入问题的四个角色：1，用户； 2，营养师； 3，售后； 4，助理-->
    <insert id="insertSysServicesQuestionStatus" parameterType="java.util.List" useGeneratedKeys="true" keyProperty="id"
            keyColumn="id">
        insert into sys_services_question_status (que_id, user_id, role, `read`, create_time, update_time) values
        <foreach collection="list" item="status" index="index" separator=",">
            (#{status.queId}, #{status.userId}, #{status.role}, #{status.read}, now(), now())
        </foreach>
    </insert>

    <!--    根据状态id更新， role=customer 客户回复，这时更新另外三个角色未读；role != customer，更新客户未读-->
    <update id="updateSysServicesQuestionStatus" parameterType="SysServicesQuestion">
        update sys_services_question_status
        <trim prefix="SET" suffixOverrides=",">
            <if test="read != null">`read` = #{read},</if>
            <if test="read != null">update_time = now(),</if>
        </trim>
        <where>
            <choose>
                <when test="id != null">
                    id = ${id}
                </when>
                <otherwise>
                    <if test="role == 'customer'">
                        role != #{role} and
                    </if>
                    <if test="role != 'customer'">
                        role = 'customer' and
                    </if>
                    que_id = #{queId}
                </otherwise>
            </choose>
        </where>
    </update>

    <!--    插入问题回复-->
    <insert id="inserSysServicesQuestionReply" parameterType="SysServicesQuestion">
        insert into sys_services_question_session
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="queId != null">que_id,</if>
            <if test="userId != null">user_id,</if>
            <if test="content != null">content,</if>
            <if test="read != null">`read`,</if>
            <if test="role != null">role,</if>
            <if test="img != null">img,</if>
            <if test="queId != null">create_time,</if>
            <if test="queId != null">update_time,</if>

        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="queId != null">#{queId},</if>
            <if test="userId != null">#{userId},</if>
            <if test="content != null">#{content},</if>
            <if test="read != null">#{read},</if>
            <if test="role != null">#{role},</if>
            <if test="img != null">
                #{img,  jdbcType=OTHER, typeHandler=com.stdiet.custom.typehandler.ArrayJsonHandler},
            </if>
            <if test="queId != null">now(),</if>
            <if test="queId != null">now(),</if>
        </trim>
    </insert>


</mapper>