4d213b5a44
- 核心业务拆分为 Endpoint → Application Service → Repository 三层 - AI写入操作必须用户确认后才写库(确认卡片机制) - 报告/饮食/用药分析改为持久化任务队列(原子领取/重试/重启恢复) - 运动计划修复: 连续真实日期替代周模板 - 用药提醒去重 + 通知Outbox预留 - 认证收拢到AuthService, 管理员收拢到AdminService - AI会话加用户归属校验防串号 - 提示词调整为患者视角 - 开发假数据已关闭 - 21/21测试通过, 0警告0错误
62 lines
1.6 KiB
Dart
62 lines
1.6 KiB
Dart
import 'package:sqflite/sqflite.dart';
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import 'package:path/path.dart';
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/// SQLite 本地键值缓存。
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///
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/// 约定：后端数据库是健康业务数据的唯一事实源。这里仅保存会话、偏好、
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/// 草稿和临时缓存，不保存健康记录、报告、用药、饮食、AI 对话等核心业务事实。
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class LocalDatabase {
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static LocalDatabase? _instance;
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Database? _db;
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LocalDatabase._();
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static LocalDatabase get instance => _instance ??= LocalDatabase._();
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Future<Database> get database async {
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_db ??= await _initDb();
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return _db!;
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}
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Future<Database> _initDb() async {
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final dbPath = await getDatabasesPath();
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final path = join(dbPath, 'health_app.db');
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return openDatabase(
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path,
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version: 1,
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onCreate: (db, version) async {
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await db.execute(
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'CREATE TABLE kv_store (key TEXT PRIMARY KEY, value TEXT)',
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);
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},
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);
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}
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Future<void> write(String key, String value) async {
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final db = await database;
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await db.insert(
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'kv_store',
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{'key': key, 'value': value},
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conflictAlgorithm: ConflictAlgorithm.replace,
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);
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}
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Future<String?> read(String key) async {
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final db = await database;
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final result =
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await db.query('kv_store', where: 'key = ?', whereArgs: [key]);
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if (result.isEmpty) return null;
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return result.first['value'] as String?;
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}
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Future<void> delete(String key) async {
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final db = await database;
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await db.delete('kv_store', where: 'key = ?', whereArgs: [key]);
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}
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Future<void> deleteAll() async {
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final db = await database;
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await db.delete('kv_store');
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}
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}
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