add
This commit is contained in:
macbook_max
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'package:uuid/uuid.dart';
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import '../../core/config/app_config.dart';
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import '../../core/network/api_client.dart';
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import '../../core/storage/local_store.dart';
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import '../../core/theme/app_theme.dart';
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import '../../providers/auth_provider.dart';
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import '../../services/invite_service.dart';
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import '../../services/version_service.dart';
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/// 启动页：依次执行 ①设备指纹 ②域名发现+ApiClient 初始化 ③登录态恢复 ④版本/公告检查
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class SplashScreen extends ConsumerStatefulWidget {
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const SplashScreen({super.key});
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@override
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ConsumerState<SplashScreen> createState() => _SplashScreenState();
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}
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class _SplashScreenState extends ConsumerState<SplashScreen> {
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String _step = '正在初始化…';
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String? _notice;
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@override
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void initState() {
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super.initState();
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_bootstrap();
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}
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Future<void> _bootstrap() async {
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try {
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// ① 设备指纹（UUID v4，持久化）
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_setStep('初始化设备…');
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LocalStore.I.ensureDeviceId(() => const Uuid().v4());
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// ② 域名发现（TXT → 兜底）+ 网络客户端初始化
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_setStep('连接服务器…');
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await ApiClient.init();
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// ②.5 推广归因：剪贴板口令（主）→ 无口令则首启模糊匹配上报（辅）
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try {
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await _attributeInvite();
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} catch (_) {
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// 归因失败不阻塞启动
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}
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// ③ 登录态恢复（安全存储 Token → /users/me）
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_setStep('恢复登录态…');
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await ref.read(authProvider.notifier).restore();
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// ④ 版本检查与维护公告（失败不阻塞进入首页）
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try {
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final info = await VersionService.check();
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if (!mounted) return;
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// 强制更新（当前 version_code 低于服务端最低要求）：阻断使用
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if (info.forceUpdate) {
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await _showForceUpdateDialog(info);
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return;
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}
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// 非强制新版本：可跳过的提示弹窗
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if (info.latestVersionCode > AppConfig.appVersionCode) {
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await _showUpdatePrompt(info);
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if (!mounted) return;
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}
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setState(() => _notice = info.notice.isNotEmpty ? info.notice : null);
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if (_notice == null) {
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_goHome();
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return;
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}
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// 有公告：展示 2 秒后进入
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Future.delayed(const Duration(seconds: 2), _goHome);
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} catch (_) {
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_goHome();
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}
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} catch (e) {
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_setStep('网络异常，请检查后重试');
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// 域名发现彻底失败：提供重试入口
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}
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}
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/// 推广归因：
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/// - 剪贴板命中分享口令 → 存 pending 邀请码（注册页预填，准确率 100%）
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/// - 无口令且未上报过 → 模糊匹配上报（每安装仅一次，命中结果服务端缓存）
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Future<void> _attributeInvite() async {
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final clip = await Clipboard.getData(Clipboard.kTextPlain);
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final code = InviteService.parseInviteCommand(clip?.text);
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if (code != null) {
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await LocalStore.I.savePendingInviteCode(code);
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return;
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}
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if (LocalStore.I.inviteMatchReported) return;
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final matched = await InviteService.reportMatch(LocalStore.I.deviceId);
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await LocalStore.I.markInviteMatchReported();
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if (matched != null && matched.isNotEmpty) {
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await LocalStore.I.savePendingInviteCode(matched);
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}
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}
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void _setStep(String s) {
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if (mounted) setState(() => _step = s);
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}
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void _goHome() {
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if (!mounted) return;
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// 游客可直接浏览（计费接口按 device_id 走），登录页由路由守卫按需唤起
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context.go('/home');
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}
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/// 跳转下载页（商店/外部浏览器）
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Future<void> _openUpdateUrl(String url) async {
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if (url.isEmpty) return;
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final uri = Uri.tryParse(url);
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if (uri == null) return;
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try {
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await launchUrl(uri, mode: LaunchMode.externalApplication);
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} catch (_) {
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// 调起失败不阻塞（强制更新场景弹窗仍在，可重试）
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}
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}
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/// 强制更新弹窗：不可关闭、不可返回，仅可跳下载页（《01-开发文档》5.7）
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Future<void> _showForceUpdateDialog(VersionInfo info) {
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return showDialog<void>(
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context: context,
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barrierDismissible: false,
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builder: (ctx) => PopScope(
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canPop: false,
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child: AlertDialog(
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backgroundColor: AppColors.surface,
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title: const Text('版本过低', style: TextStyle(fontSize: 16)),
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content: Text(
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'当前版本已停止服务，请更新到 v${info.latestVersion} 后继续使用。',
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),
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actions: [
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ElevatedButton(
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onPressed: () => _openUpdateUrl(info.updateUrl),
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child: const Text('立即更新'),
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),
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],
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),
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),
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);
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}
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/// 非强制更新弹窗：可跳过；点更新跳下载页后继续进入 App
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Future<void> _showUpdatePrompt(VersionInfo info) async {
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final update = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: AppColors.surface,
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title: Text('发现新版本 v${info.latestVersion}',
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style: const TextStyle(fontSize: 16)),
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content: const Text('建议更新到最新版本以获得更好的体验。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: const Text('跳过'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(ctx, true),
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child: const Text('立即更新'),
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),
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],
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),
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);
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if (update == true) await _openUpdateUrl(info.updateUrl);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: 88,
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height: 88,
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decoration: BoxDecoration(
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gradient: const LinearGradient(colors: [AppColors.primary, AppColors.secondary]),
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borderRadius: BorderRadius.circular(20),
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),
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child: const Icon(Icons.play_arrow_rounded, size: 56, color: Colors.white),
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),
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const SizedBox(height: 24),
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const Text('短视频', style: TextStyle(fontSize: 22, fontWeight: FontWeight.w700)),
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const SizedBox(height: 40),
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if (_notice != null)
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 32),
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child: Text(_notice!, textAlign: TextAlign.center,
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style: const TextStyle(color: AppColors.gold)),
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)
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else
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Text(_step, style: const TextStyle(color: AppColors.textSecondary)),
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if (_step.contains('异常')) ...[
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const SizedBox(height: 16),
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TextButton(onPressed: _bootstrap, child: const Text('点击重试')),
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],
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],
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),
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),
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);
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}
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}
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