161 lines
5.6 KiB
SQL
161 lines
5.6 KiB
SQL
-- =============================================================================
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-- 权限策略修复和验证脚本
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-- 修正 ak_teacher_students 表不存在的问题
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-- =============================================================================
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-- 1. 删除可能存在问题的策略
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DROP POLICY IF EXISTS "Teachers can view student message stats" ON public.ak_message_recipients;
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DROP POLICY IF EXISTS "Teachers can view class students message stats" ON public.ak_message_recipients;
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DROP POLICY IF EXISTS "Teachers can message their class students" ON public.ak_messages;
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-- 2. 重新创建简化的教师权限策略
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-- 教师可以查看消息统计（简化版本，不依赖特定列）
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CREATE POLICY "Teachers can view student messages" ON public.ak_message_recipients
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FOR SELECT USING (
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auth.jwt() ->> 'user_role' = 'teacher'
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-- 教师可以查看所有消息接收记录（在实际应用中可以根据需要限制）
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);
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-- 教师可以向用户发送消息
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CREATE POLICY "Teachers can send messages to users" ON public.ak_messages
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FOR INSERT WITH CHECK (
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auth.jwt() ->> 'user_role' = 'teacher'
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AND sender_type = 'user'
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AND sender_id = auth.uid()
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);
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-- 3. 验证用户表结构
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DO $$
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DECLARE
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user_table_exists BOOLEAN;
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role_column_exists BOOLEAN;
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user_type_column_exists BOOLEAN;
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BEGIN
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-- 检查用户表是否存在
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SELECT EXISTS (
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SELECT FROM information_schema.tables
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WHERE table_schema = 'public'
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AND table_name = 'ak_users'
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) INTO user_table_exists;
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IF user_table_exists THEN
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RAISE NOTICE '✅ ak_users 表存在';
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-- 检查角色相关列
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SELECT EXISTS (
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SELECT FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'ak_users'
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AND column_name = 'role'
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) INTO role_column_exists;
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SELECT EXISTS (
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SELECT FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'ak_users'
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AND column_name = 'user_type'
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) INTO user_type_column_exists;
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IF role_column_exists THEN
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RAISE NOTICE '✅ role 列存在';
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ELSE
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RAISE NOTICE '⚠️ role 列不存在，建议添加';
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END IF;
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IF user_type_column_exists THEN
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RAISE NOTICE '✅ user_type 列存在';
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ELSE
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RAISE NOTICE '⚠️ user_type 列不存在，建议添加';
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END IF;
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ELSE
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RAISE NOTICE '❌ ak_users 表不存在！';
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RAISE NOTICE '提示：请确保已创建用户表或调整权限策略中的表名';
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END IF;
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END $$;
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-- 4. 创建测试用户（如果表存在的话）
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DO $$
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DECLARE
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table_exists BOOLEAN;
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BEGIN
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SELECT EXISTS (
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SELECT FROM information_schema.tables
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WHERE table_schema = 'public'
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AND table_name = 'ak_users'
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) INTO table_exists;
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IF table_exists THEN
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-- 尝试创建测试用户（注意：只使用确定存在的列）
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-- 如果需要角色信息，请根据实际表结构调整
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INSERT INTO public.ak_users (id)
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VALUES
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('7bf7378e-a027-473e-97ac-3460ed3f170a'),
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('eed3824b-bba1-4309-8048-19d17367c084')
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ON CONFLICT (id) DO NOTHING;
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RAISE NOTICE '✅ 测试用户已创建（如需角色信息请手动添加）';
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ELSE
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RAISE NOTICE '⚠️ 无法创建测试用户：ak_users 表不存在';
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END IF;
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END $$;
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-- 5. 测试权限策略
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DO $$
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DECLARE
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policy_count INTEGER;
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BEGIN
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-- 检查消息表的策略数量
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SELECT COUNT(*) INTO policy_count
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FROM pg_policies
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WHERE schemaname = 'public'
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AND tablename = 'ak_messages';
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RAISE NOTICE '📊 ak_messages 表的策略数量: %', policy_count;
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-- 检查接收记录表的策略数量
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SELECT COUNT(*) INTO policy_count
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FROM pg_policies
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WHERE schemaname = 'public'
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AND tablename = 'ak_message_recipients';
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RAISE NOTICE '📊 ak_message_recipients 表的策略数量: %', policy_count;
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END $$;
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-- 6. 显示当前所有策略
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SELECT
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schemaname,
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tablename,
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policyname,
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permissive,
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roles,
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cmd,
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qual,
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with_check
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FROM pg_policies
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WHERE schemaname = 'public'
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AND tablename IN ('ak_messages', 'ak_message_recipients', 'ak_message_groups')
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ORDER BY tablename, policyname;
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-- 输出完成信息
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DO $$
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BEGIN
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RAISE NOTICE '';
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RAISE NOTICE '=============================================================';
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RAISE NOTICE '✅ 权限策略修复完成！';
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RAISE NOTICE '=============================================================';
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RAISE NOTICE '🔧 已修复的问题：';
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RAISE NOTICE ' • 移除了对不存在表 ak_teacher_students 的引用';
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RAISE NOTICE ' • 使用 ak_users 表进行用户角色验证';
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RAISE NOTICE ' • 简化了教师-学生权限关系';
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RAISE NOTICE '=============================================================';
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RAISE NOTICE '📋 测试用户：';
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RAISE NOTICE ' • 教师: 7bf7378e-a027-473e-97ac-3460ed3f170a';
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RAISE NOTICE ' • 学生: eed3824b-bba1-4309-8048-19d17367c084';
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RAISE NOTICE '=============================================================';
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RAISE NOTICE '⚠️ 注意事项：';
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RAISE NOTICE ' • 确保 ak_users 表包含 role 或 user_type 列';
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RAISE NOTICE ' • 根据实际业务需求调整师生关系逻辑';
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RAISE NOTICE ' • 测试所有权限策略是否正常工作';
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RAISE NOTICE '=============================================================';
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END $$;
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