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feat(app): offline-кэш на остальных экранах — фаза 5

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accounts, cashflow, categories, goals, income, portfolio (+instrument),
rebalance, tax, rules переведены на Cached<T> по контракту
docs/ai/offline-cache.md. Общие/второстепенные селекторы (scopesProvider,
categoriesListProvider и т.п.) оставлены как есть — не основной контент
экрана. sync_page.dart и settings_page.dart не тронуты (первый — заменён
health-page отдельно, второй — чистые действия без списка для баннера).
This commit is contained in:
Dmitry
2026-09-19 14:00:13 +03:00
parent ffc5ed959a
commit 7b419f4188
39 changed files with 388 additions and 186 deletions
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app/lib/features/rebalance/rebalance_page.dart
+43 -21
View File
@@ -1,8 +1,10 @@
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../core/cache/cached.dart';
import '../../core/widgets/async_value_view.dart';
import '../../core/widgets/empty_state.dart';
import '../../core/widgets/stale_banner.dart';
import '../portfolio/labels.dart' show dimensionLabels;
import 'data/rebalance_api.dart';
import 'plan_tab.dart';
@@ -12,12 +14,21 @@ import 'targets_tab.dart';
/// Ребалансировка: the target weights on one tab, the resulting recommendations on the
/// other. Both are per portfolio and per dimension, so the pickers live in the app bar and
/// drive both tabs at once.
///
/// One offline banner covers both tabs (`docs/ai/offline-cache.md`) — both providers are
/// already watched by their own tab, so watching them again here to compute it costs
/// nothing extra. `portfoliosProvider` itself is a selector derived from the un-cached
/// `scopesProvider` (see `portfolio/providers.dart`) and does not contribute a `fetchedAt`.
class RebalancePage extends ConsumerWidget {
const RebalancePage({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final portfolios = ref.watch(portfoliosProvider);
final stale = oldestFetch([
ref.watch(targetsProvider).valueOrNull?.fetchedAt,
ref.watch(rebalancePlanProvider).valueOrNull?.fetchedAt,
]);
return DefaultTabController(
length: 2,
@@ -37,27 +48,38 @@ class RebalancePage extends ConsumerWidget {
tabs: [Tab(text: 'Целевые веса'), Tab(text: 'Рекомендации')],
),
),
body: AsyncValueView(
value: portfolios,
onRetry: () => ref.invalidate(portfoliosProvider),
data: (list) {
if (list.isEmpty) {
return const EmptyState(
icon: Icons.pie_chart_outline,
message: 'Портфелей пока нет.\n'
'Ребалансировка считается по портфелю: заведите его в настройках счетов.',
);
}
final selected = ref.watch(selectedPortfolioProvider);
if (selected == null || !list.any((p) => p.id == selected)) {
// pick the first portfolio once, after the list is known
WidgetsBinding.instance.addPostFrameCallback((_) {
ref.read(selectedPortfolioProvider.notifier).state = list.first.id;
});
return const Center(child: CircularProgressIndicator());
}
return const TabBarView(children: [TargetsTab(), RebalancePlanTab()]);
},
body: Column(
children: [
if (stale != null)
Padding(
padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
child: StaleBanner(fetchedAt: stale),
),
Expanded(
child: AsyncValueView(
value: portfolios,
onRetry: () => ref.invalidate(portfoliosProvider),
data: (list) {
if (list.isEmpty) {
return const EmptyState(
icon: Icons.pie_chart_outline,
message: 'Портфелей пока нет.\n'
'Ребалансировка считается по портфелю: заведите его в настройках счетов.',
);
}
final selected = ref.watch(selectedPortfolioProvider);
if (selected == null || !list.any((p) => p.id == selected)) {
// pick the first portfolio once, after the list is known
WidgetsBinding.instance.addPostFrameCallback((_) {
ref.read(selectedPortfolioProvider.notifier).state = list.first.id;
});
return const Center(child: CircularProgressIndicator());
}
return const TabBarView(children: [TargetsTab(), RebalancePlanTab()]);
},
),
),
],
),
),
);