a7fb6e5ff3
- 新增 SplashPage + appReadyProvider/_BootGate：启动闸门将启动页覆盖在最上层， 直到 auth 判定完成且今日健康卡数据就绪，遮住登录页闪现与首页对话流初始态 - auth 初始状态改为 isLoading=true，无 token 时再置 false - values-night/styles.xml 改为亮色白底，消除深色模式下 Flutter 初始化期间的黑色窗口背景 - 带 8 秒安全兜底，避免离线时卡在启动页
126 lines
3.9 KiB
Dart
126 lines
3.9 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter_localizations/flutter_localizations.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:shadcn_ui/shadcn_ui.dart';
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import 'core/app_router.dart';
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import 'core/app_theme.dart';
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import 'core/navigation_provider.dart';
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import 'pages/splash_page.dart';
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import 'providers/auth_provider.dart';
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import 'providers/data_providers.dart';
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/// 健康管家 App 根组件
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class HealthApp extends ConsumerWidget {
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const HealthApp({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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return MaterialApp(
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title: '健康管家',
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debugShowCheckedModeBanner: false,
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theme: AppTheme.lightTheme,
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localizationsDelegates: const [
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GlobalMaterialLocalizations.delegate,
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GlobalWidgetsLocalizations.delegate,
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GlobalCupertinoLocalizations.delegate,
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],
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supportedLocales: const [Locale('zh', 'CN'), Locale('zh')],
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locale: const Locale('zh'),
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home: const _RootNavigator(),
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// 注入 ShadTheme + 启动闸门：Splash 盖在最上层，直到首页今日健康卡数据就绪
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builder: (context, child) => ShadTheme(
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data: AppTheme.shadTheme,
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child: _BootGate(child: child!),
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),
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);
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}
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}
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/// 启动是否就绪：auth 判定完成，且（已登录的普通用户）今日健康卡数据已到位。
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/// 未登录或医生/管理员无需等待健康卡。
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final appReadyProvider = Provider<bool>((ref) {
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final auth = ref.watch(authProvider);
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if (auth.isLoading) return false; // 还在判登录态 → 继续盖 Splash
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if (!auth.isLoggedIn) return true; // 未登录 → 就绪，露出登录页
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final role = auth.user?.role ?? 'User';
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if (role != 'User') return true; // 医生/管理员首页不依赖今日健康卡
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// 普通用户：等今日健康卡片数据（成功或失败都算就绪，避免卡死）
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final health = ref.watch(latestHealthProvider);
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return health.hasValue || health.hasError;
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});
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/// 启动闸门——就绪前在最上层覆盖 Splash，盖住登录页闪现与首页对话流初始态。
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/// 带 8 秒安全兜底，避免离线时数据永不返回导致卡在启动页。
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class _BootGate extends ConsumerStatefulWidget {
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final Widget child;
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const _BootGate({required this.child});
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@override
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ConsumerState<_BootGate> createState() => _BootGateState();
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}
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class _BootGateState extends ConsumerState<_BootGate> {
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bool _timedOut = false;
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Timer? _timer;
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@override
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void initState() {
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super.initState();
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_timer = Timer(const Duration(seconds: 8), () {
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if (mounted) setState(() => _timedOut = true);
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});
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}
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@override
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void dispose() {
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_timer?.cancel();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final ready = ref.watch(appReadyProvider) || _timedOut;
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return Stack(
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children: [
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widget.child,
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if (!ready) const Positioned.fill(child: SplashPage()),
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],
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);
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}
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}
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/// 根导航——根据 Riverpod 路由状态切换页面
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class _RootNavigator extends ConsumerWidget {
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const _RootNavigator();
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final stack = ref.watch(routeStackProvider);
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final current = stack.last;
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final authState = ref.watch(authProvider);
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// 登录后自动跳转（在下一帧完成，无闪烁）
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if (authState.isLoggedIn && current.name == 'login') {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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final role = authState.user?.role ?? 'User';
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if (role == 'Admin') {
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goRoute(ref, 'adminHome');
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} else if (role == 'Doctor') {
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goRoute(ref, 'doctorHome');
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} else {
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goRoute(ref, 'home');
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}
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});
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}
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return PopScope(
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canPop: stack.length <= 1,
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onPopInvokedWithResult: (didPop, result) {
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if (!didPop) popRoute(ref);
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},
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child: buildPage(current, ref),
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);
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}
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}
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