Dmitry
7b419f4188
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).
97 lines
3.3 KiB
Dart
97 lines
3.3 KiB
Dart
import 'package:fintracker_api/fintracker_api.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../core/cache/cached.dart';
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import '../../core/widgets/async_value_view.dart';
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import '../../core/widgets/stale_banner.dart';
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import 'allocation_tab.dart';
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import 'benchmarks_card.dart';
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import 'holdings_tab.dart';
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import 'providers.dart';
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/// Портфель: позиции и аллокация as two tabs of one screen, sharing one scope.
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///
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/// They are tabs rather than two navigation destinations because they answer two halves of
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/// the same question, and because a tenth item in the bottom bar would leave 40 px per
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/// label on a phone.
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///
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/// One offline banner covers both tabs (`docs/ai/offline-cache.md`) — `TabBarView` builds
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/// both eagerly anyway, so watching every provider here to compute it costs nothing extra.
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class PortfolioPage extends ConsumerWidget {
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const PortfolioPage({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final stale = oldestFetch([
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ref.watch(portfolioSummaryProvider).valueOrNull?.fetchedAt,
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ref.watch(holdingsProvider).valueOrNull?.fetchedAt,
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ref.watch(valueSeriesProvider).valueOrNull?.fetchedAt,
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ref.watch(portfolioReturnsProvider).valueOrNull?.fetchedAt,
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ref.watch(benchmarkRowsProvider).valueOrNull?.fetchedAt,
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ref.watch(allocationProvider).valueOrNull?.fetchedAt,
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]);
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return DefaultTabController(
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length: 2,
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child: Scaffold(
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appBar: AppBar(
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title: const Text('Портфель'),
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actions: const [_ScopeSelector(), SizedBox(width: 8)],
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bottom: const TabBar(
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tabs: [Tab(text: 'Позиции'), Tab(text: 'Аллокация')],
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),
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),
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body: Column(
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children: [
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if (stale != null)
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 0),
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child: StaleBanner(fetchedAt: stale),
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),
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const Expanded(
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child: TabBarView(children: [HoldingsTab(), AllocationTab()]),
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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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/// Switches every portfolio screen at once. Hidden while there is nothing to choose
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/// between — a dropdown with one option is furniture, not a control.
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class _ScopeSelector extends ConsumerWidget {
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const _ScopeSelector();
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final scopes = ref.watch(scopesProvider);
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final current = ref.watch(scopeProvider);
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return AsyncValueView<List<ScopeOut>>(
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value: scopes,
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data: (rows) {
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if (rows.length < 2) return const SizedBox.shrink();
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final known = rows.any((s) => s.scope == current) ? current : rows.first.scope;
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return DropdownButtonHideUnderline(
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child: DropdownButton<String>(
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value: known,
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borderRadius: BorderRadius.circular(8),
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items: [
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for (final s in rows)
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DropdownMenuItem(
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value: s.scope,
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child: Text(s.name, overflow: TextOverflow.ellipsis),
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),
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],
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onChanged: (value) {
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if (value != null) ref.read(scopeProvider.notifier).state = value;
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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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