flemming-it
39733628b6
Adds a real Ch∆In hub backend to the Flutter client as a sibling-path dependency on chain_client_sdk_dart, alongside the existing MockRepository (which stays the default until the flow.completed-to-Evaluation pipeline lands in Phase 0 week 1). Wiring HubSettings (lib/data/hub_endpoint.dart) — persists host / port / secure / token / useHub flags via SharedPreferences under the Studio-compatible hub.* keys. Distinct from the SDK's chain.HubEndpoint, which is a transport-level value type — HubSettings adapts in that direction. HubRepository (lib/data/hub_repository.dart) — implements EvaluationRepository on top of HubClient. connect() runs a 4-second healthy() probe; on failure returns a repository with isHealthy=false rather than throwing, so the UI can surface "hub-down" without an exception-handling round-trip. list() / byEli() return empty data in Phase 0 because no hub-side flow yet produces Evaluation objects in the lawheatmap-specific shape. main.dart — loads HubSettings on startup; if useHub=false starts with MockRepository (fast offline default), otherwise probes the hub and falls back to MockRepository on probe failure. No mid-session swap to keep the Phase 0 wiring simple; a settings save instructs the user to restart. HubStatusPage — read-only summary card at the top, editable endpoint form, "Verbindung testen" probe button, "Speichern" persist button. Live-flow runbook below describes the chain serve / install / run / approve sequence so a user can wire the real flow themselves once Phase 1 lands. flutter analyze: clean. flutter test: 2/2 passing. Smoke-launch on macOS: app boots, Dart VM service comes up, no runtime errors in mock mode. Signed-off-by: flemming-it <sf@flemming.it>
58 lines
1.9 KiB
Dart
58 lines
1.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_localizations/flutter_localizations.dart';
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import 'data/hub_endpoint.dart';
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import 'data/hub_repository.dart';
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import 'data/repository.dart';
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import 'pages/landing_page.dart';
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import 'theme/lawheatmap_theme.dart';
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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final settings = await HubSettings.load();
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final repository = await _pickRepository(settings);
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runApp(LawHeatmapApp(repository: repository, settings: settings));
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}
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/// Decide which repository to start with.
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///
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/// useHub=false → Mock, no probe (fast offline start)
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/// useHub=true, healthy → HubRepository
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/// useHub=true, NOT ok → MockRepository (graceful fallback;
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/// UI banner shows hub-down so the
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/// user can re-try from settings)
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Future<EvaluationRepository> _pickRepository(HubSettings settings) async {
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if (!settings.useHub) return const MockRepository();
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final hub = await HubRepository.connect(settings);
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if (hub.isHealthy) return hub;
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return const MockRepository();
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}
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class LawHeatmapApp extends StatelessWidget {
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const LawHeatmapApp({
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super.key,
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this.repository = const MockRepository(),
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this.settings,
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});
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final EvaluationRepository repository;
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final HubSettings? settings;
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'F∆I Law-Heatmap',
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debugShowCheckedModeBanner: false,
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theme: LawHeatmapTheme.light(),
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darkTheme: LawHeatmapTheme.dark(),
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themeMode: ThemeMode.dark,
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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('de'), Locale('en')],
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home: LandingPage(repository: repository),
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);
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}
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}
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