app scaffold
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/// 根 Widget。
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library;
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import 'package:core_auth/core_auth.dart';
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import 'package:core_router/core_router.dart';
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import 'package:core_ui/core_ui.dart';
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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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/// 应用根。
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///
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/// 壳工程只做组装:路由来自 core_router,主题来自 core_ui,页面来自 feature_*。
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/// **这里不应该出现任何业务逻辑**——一旦出现,它就没有能承载它的包了。
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class ContiApp extends ConsumerWidget {
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/// 构造。
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const ContiApp({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final GoRouter router = ref.watch(goRouterProvider);
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// ------------------------------------------------------------------
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// 会话指纹:用户 + 门店。11 §切店级联的最后一步——把整棵页面子树按这个
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// key 重建,扔掉所有 StatefulWidget 里攒着的门店维度状态。
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//
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// 光 invalidate provider 是不够的:翻页页码、已勾选的行、输入框里半截的
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// 单号都活在 State 里,provider 层看不见它们。切完店留着上一家店的选中
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// 状态,会直接变成"给 A 店的单据提交到 B 店"。
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// ------------------------------------------------------------------
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final String sessionKey = ref.watch(
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sessionProvider.select(
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(AsyncValue<AppSession> value) => switch (value.value) {
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SessionActive(:final UserContext user, :final StoreContext store) =>
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'u${user.userId}-s${store.storeId}',
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_ => 'anonymous',
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},
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),
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);
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return MaterialApp.router(
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title: '大陆马门店',
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theme: AppTheme.light,
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darkTheme: AppTheme.dark,
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routerConfig: router,
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// 16-i18n.md 还没写,但结构先留着:首版之后再补代价高得多。
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// 文案暂时直接写在 Widget 里,等 arb 方案定了统一迁移(见 lib/l10n/)。
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localizationsDelegates: const <LocalizationsDelegate<Object>>[
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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>[Locale('zh', 'CN')],
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builder: (BuildContext context, Widget? child) =>
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KeyedSubtree(key: ValueKey<String>(sessionKey), child: child ?? const SizedBox.shrink()),
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);
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}
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}
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/// 安装级匿名设备 ID。
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library;
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import 'dart:convert';
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import 'dart:math';
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import 'package:core_storage/core_storage.dart';
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/// 首次安装时生成、之后一直复用的随机 ID。
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///
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/// ---------------------------------------------------------------------------
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/// **绝不是 IMEI / IDFA / MAC / AndroidID**。这几个是设备唯一标识,采集它们是
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/// 合规红线(05 / 07 的隐私清单),而且 Android 10+ / iOS 早就限制了读取。
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///
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/// 这里的语义是"这次安装":卸载重装换一个新 ID 是**预期行为**,不需要跨安装
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/// 追踪——它的用途只有一个,把同一台设备的日志串起来排查问题。
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/// ---------------------------------------------------------------------------
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Future<String> loadOrCreateDeviceId(Prefs prefs) async {
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const String key = 'device_id';
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final String? existing = await prefs.getString(key);
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if (existing != null && existing.isNotEmpty) {
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return existing;
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}
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final Random random = Random.secure();
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final List<int> bytes = List<int>.generate(16, (int _) => random.nextInt(256));
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final String created = base64Url.encode(bytes).replaceAll('=', '');
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await prefs.setString(key, created);
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return created;
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}
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/// Provider 层的全局错误出口。来源:conti-docs/12-error-and-api-contract.md §五。
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library;
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import 'package:core_foundation/core_foundation.dart';
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import 'package:core_logging/core_logging.dart';
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import 'package:core_ui/core_ui.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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/// 所有 provider 抛出的异常都会经过这里。
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///
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/// ---------------------------------------------------------------------------
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/// 它是**兜底**,不是主路径:UI 该显示的错误由 `AsyncValueView` 负责,这里只
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/// 负责"这个异常有没有人处理过"之外的另一件事——落日志和上报。
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///
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/// 三类要**主动排除**,否则线上告警会被噪音淹没:
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/// - [BusinessException]:后端明确告诉我们"这个操作不允许",是预期内的流程
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/// 分支(余额不足、单据已关闭),不是缺陷;
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/// - [UnauthorizedException]:登录过期,SessionNotifier 已经在处理了;
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/// - [RequestCancelledException]:用户切走了页面,请求被主动取消。
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/// ---------------------------------------------------------------------------
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final class ErrorObserver extends ProviderObserver {
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/// 构造。
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ErrorObserver({required this.logger, required this.reporter});
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/// 日志出口。
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final AppLogger logger;
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/// 崩溃上报出口。
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final CrashReporter reporter;
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@override
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void providerDidFail(ProviderObserverContext context, Object error, StackTrace stackTrace) {
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final String name = context.provider.name ?? context.provider.runtimeType.toString();
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if (ErrorPresenter.isSilent(error)) {
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return;
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}
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if (error is BusinessException) {
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// 记一条 info 就够:需要它来复盘"用户为什么走不下去",但它不是缺陷。
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logger.i('业务拒绝 $name: ${error.code} ${error.message}');
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return;
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}
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logger.e('provider 失败 $name', error: error, stackTrace: stackTrace);
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reporter.report(error, stackTrace, extra: <String, String>{'provider': name});
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}
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}
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/// `/api/v1/h5/launch` 的实现。
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///
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/// 接口声明在 core_webview(`h5_launch.dart`),实现必须落在能依赖
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/// core_network 的地方——core_webview 不允许依赖 core_network(01)。
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library;
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import 'package:core_foundation/core_foundation.dart';
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import 'package:core_network/core_network.dart';
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import 'package:core_webview/core_webview.dart';
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/// 用 target 编码换一份带票据的 H5 URL。
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class ApiH5LaunchRepository implements H5LaunchRepository {
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/// 构造。
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const ApiH5LaunchRepository(this._api);
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final ApiClient _api;
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@override
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Future<H5LaunchInfo> launch(String target) async {
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// 只传 target 编码,不传 URL:URL 由后端从服务端会话上下文拼(见 10)。
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final Map<String, dynamic> data = await _api.post<Map<String, dynamic>>(
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'/api/v1/h5/launch',
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data: <String, String>{'target': target},
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);
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final Object? url = data['url'];
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final Object? title = data['title'];
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if (url is! String || title is! String) {
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throw const ServerException('H5 启动信息不完整');
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}
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return H5LaunchInfo(
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url: url,
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title: title,
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ttl: Duration(seconds: (data['ttlSeconds'] as num?)?.toInt() ?? 300),
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);
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}
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}
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/// 会话事件的旁路接线:埋点身份、崩溃上报的用户上下文、路由错误上报。
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///
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/// 这些都是 core_auth 声明的端口(`session_ports.dart` / `core_router/ports.dart`)
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/// 的实现——core_auth 不能依赖 core_analytics / core_logging,所以实现落在这里。
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library;
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import 'package:core_analytics/core_analytics.dart';
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import 'package:core_auth/core_auth.dart';
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import 'package:core_logging/core_logging.dart';
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import 'package:core_router/core_router.dart';
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/// 把会话变化广播给埋点和崩溃上报。
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class AppSessionObserver implements SessionObserver {
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/// 构造。
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const AppSessionObserver({required this.analytics, required this.reporter});
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/// 埋点。
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final Analytics analytics;
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/// 崩溃上报。
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final CrashReporter reporter;
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@override
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void onUserIdentified(UserContext user) {
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analytics.identify(user.userId);
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analytics.registerSuperProperties(<String, Object?>{
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AnalyticsSuperProperty.roleCode: user.roleCode,
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});
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// 只传 userId,不传手机号——Sentry 侧 sendDefaultPii = false 的前提就是
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// 我们自己也不往里塞 PII。
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reporter.setUser(user.userId);
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}
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@override
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void onStoreChanged(StoreContext store) {
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// 运营侧几乎所有分析都按门店维度看,靠每个调用点自己传一定会漏。
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analytics.registerSuperProperties(<String, Object?>{
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AnalyticsSuperProperty.storeId: store.storeId,
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});
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reporter.setTag('storeId', '${store.storeId}');
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}
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@override
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void onSessionEnded(LogoutReason reason) {
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// 被动登出没有对应的接口调用,后端看不见,必须客户端报(13)。
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analytics.track(AnalyticsEvent.logout, <String, Object?>{AnalyticsParam.reason: reason.name});
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// 门店设备是共用的:不 reset,下一个人的数据会串到上一个人身上。
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analytics.reset();
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reporter.clearUser();
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}
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@override
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void onSessionRestoreFailed(String stage) {
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analytics.track(AnalyticsEvent.sessionRestoreFailed, <String, Object?>{
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AnalyticsParam.stage: stage,
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});
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}
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}
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/// 路由未命中时上报。
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class AppRouteReporter implements RouteReporter {
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/// 构造。
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const AppRouteReporter({required this.logger, required this.reporter});
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/// 日志。
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final AppLogger logger;
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/// 崩溃上报。
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final CrashReporter reporter;
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@override
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void onRouteNotFound(String location) {
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// 记路径不记 query——H5 相关路径的 query 里带票据(13 §脱敏)。
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final String path = Uri.tryParse(location)?.path ?? location;
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logger.w('路由未命中: $path');
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reporter.report(
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StateError('route not found'),
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StackTrace.current,
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extra: <String, String>{AnalyticsParam.path: path},
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);
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}
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}
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