alien_cloud/alien-entity/src/main/resources/mapper/SubAccountStoreMapper.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="shop.alien.mapper.SubAccountStoreMapper">

    <!-- 根据用户ID查询子账号关联的门店列表（包含主账号的门店） -->
    <select id="selectSubAccountStoreListByUserId" resultType="shop.alien.entity.store.vo.SubAccountStoreListVo">
        -- 查询子账号通过store_platform_user_role关联的门店（当前用户作为子账号的门店）
        SELECT
            si.id AS storeId,
            si.store_name COLLATE utf8mb4_unicode_ci AS storeName,
            si.store_address COLLATE utf8mb4_unicode_ci AS storeAddress,
            si.store_tel COLLATE utf8mb4_unicode_ci AS storeTel,
            si.business_status AS businessStatus,
            spur.role_id AS roleId,
            spr.role_name COLLATE utf8mb4_unicode_ci AS roleName,
            spur.user_id AS userId,
            spur.account_name COLLATE utf8mb4_unicode_ci AS accountName,
            su.phone COLLATE utf8mb4_unicode_ci AS phone,
            spur.status AS status
        FROM
            store_platform_user_role spur
        INNER JOIN store_user su ON spur.user_id = su.id
        INNER JOIN store_info si ON spur.store_id = si.id
        LEFT JOIN store_platform_role spr ON spur.role_id = spr.role_id 
            AND (spr.del_flag = '0' OR spr.del_flag IS NULL)
        WHERE
            spur.user_id = #{userId}
            AND spur.delete_flag = 0
            AND su.delete_flag = 0
            AND si.delete_flag = 0
        
        UNION
        
        -- 查询主账号的门店（通过store_user.store_id关联）
        -- 如果主账号没有门店，只查主账号信息（门店字段为NULL）
        SELECT
            si_main.id AS storeId,
            si_main.store_name COLLATE utf8mb4_unicode_ci AS storeName,
            si_main.store_address COLLATE utf8mb4_unicode_ci AS storeAddress,
            si_main.store_tel COLLATE utf8mb4_unicode_ci AS storeTel,
            si_main.business_status AS businessStatus,
            NULL AS roleId,
            NULL AS roleName,
            su_main.id AS userId,
            su_main.name COLLATE utf8mb4_unicode_ci AS accountName,
            su_main.phone COLLATE utf8mb4_unicode_ci AS phone,
            NULL AS status
        FROM
            store_user su_main
        LEFT JOIN store_info si_main ON su_main.store_id = si_main.id 
            AND (si_main.delete_flag = 0 OR si_main.delete_flag IS NULL)
        WHERE
            su_main.id = #{userId}
            AND su_main.delete_flag = 0
            AND (
                -- 如果主账号在store_platform_user_role表中没有记录，或者是主账号但没有门店
                NOT EXISTS (
                    SELECT 1 FROM store_platform_user_role spur 
                    WHERE spur.user_id = #{userId} 
                    AND spur.delete_flag = 0
                )
                OR
                -- 如果主账号在store_platform_user_role表中有记录，但没有门店（store_id为NULL或对应的store_info不存在）
                (su_main.store_id IS NULL OR NOT EXISTS (
                    SELECT 1 FROM store_info si_check 
                    WHERE si_check.id = su_main.store_id 
                    AND si_check.delete_flag = 0
                ))
            )
        
        
        ORDER BY storeId DESC
    </select>

    <!-- 根据用户ID查询子账号关联的门店列表（包含主账号的门店） -->
    <select id="selectSubAccountStoreListByUserIdTwo" resultType="shop.alien.entity.store.vo.SubAccountStoreListVo">
        -- 查询子账号通过store_platform_user_role关联的门店
        SELECT
            si.id AS storeId,
            si.store_name COLLATE utf8mb4_unicode_ci AS storeName,
            si.store_address COLLATE utf8mb4_unicode_ci AS storeAddress,
            si.store_tel COLLATE utf8mb4_unicode_ci AS storeTel,
            si.business_status AS businessStatus,
            spur.role_id AS roleId,
            spr.role_name COLLATE utf8mb4_unicode_ci AS roleName,
            spur.user_id AS userId,
            spur.account_name COLLATE utf8mb4_unicode_ci AS accountName,
            su.phone COLLATE utf8mb4_unicode_ci AS phone,
            spur.status AS status
        FROM
            store_platform_user_role spur
                INNER JOIN store_user su ON spur.user_id = su.id
                INNER JOIN store_info si ON spur.store_id = si.id
                LEFT JOIN store_platform_role spr ON spur.role_id = spr.role_id
                AND (spr.del_flag = '0' OR spr.del_flag IS NULL)
        WHERE
            spur.user_id = #{userId}
          AND spur.delete_flag = 0
          AND su.delete_flag = 0
          AND si.delete_flag = 0

        UNION

        -- 查询主账号的门店（通过store_user.store_id关联）
        SELECT
            si_main.id AS storeId,
            si_main.store_name COLLATE utf8mb4_unicode_ci AS storeName,
            si_main.store_address COLLATE utf8mb4_unicode_ci AS storeAddress,
            si_main.store_tel COLLATE utf8mb4_unicode_ci AS storeTel,
            si_main.business_status AS businessStatus,
            NULL AS roleId,
            NULL AS roleName,
            su_main.id AS userId,
            su_main.name COLLATE utf8mb4_unicode_ci AS accountName,
            su_main.phone COLLATE utf8mb4_unicode_ci AS phone,
            NULL AS status
        FROM
            store_user su_main
                INNER JOIN store_info si_main ON su_main.store_id = si_main.id
        WHERE
            (
                -- 如果传入的是子账号，查询其主账号的门店
                (su_main.id = (SELECT id FROM store_user WHERE id = #{userId} AND account_type = 2 AND delete_flag = 0 LIMIT 1))
           OR
           -- 如果传入的是主账号，查询自己的门店
            (su_main.id = #{userId} AND su_main.account_type = 1)
            )
            AND su_main.delete_flag = 0
            AND si_main.delete_flag = 0
            AND su_main.store_id IS NOT NULL

        ORDER BY storeId DESC
    </select>
</mapper>