feat(app): экраны импорта отчётов, целей, доходов, ребалансировки, налогов и бенчмарков
Импорт (/imports, /instruments/pending) и фаза 4 (/goals, /income, /rebalance, /tax, аналитика-хаб с benchmarks_card) — по docs/ai/import-contract.md и docs/ai/phase4-contract.md. file_picker для загрузки отчёта.
This commit is contained in:
Dmitry
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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 'package:go_router/go_router.dart';
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import '../../core/utils/ru_date.dart';
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import '../../core/widgets/async_value_view.dart';
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import '../../core/widgets/empty_state.dart';
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import '../../core/widgets/money_text.dart';
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import '../../core/widgets/section_card.dart';
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import '../portfolio/labels.dart' show formatQty, signColor;
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import 'data/tax_api.dart';
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import 'providers.dart';
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/// Лоты и ЛДВ: the practical screen of the phase — what a sale costs **today** versus what
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/// it costs after the three-year mark.
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///
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/// Lots close to the ЛДВ date are called out, because selling a lot 20 days early is the
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/// one mistake this screen exists to prevent.
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class TaxLotsTab extends ConsumerStatefulWidget {
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const TaxLotsTab({super.key});
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@override
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ConsumerState<TaxLotsTab> createState() => _TaxLotsTabState();
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}
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class _TaxLotsTabState extends ConsumerState<TaxLotsTab> {
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bool _onlyNearLdv = false;
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@override
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Widget build(BuildContext context) {
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final lots = ref.watch(taxLotsProvider);
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return RefreshIndicator(
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onRefresh: () async => ref.invalidate(taxLotsProvider),
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child: AsyncValueView(
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value: lots,
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onRetry: () => ref.invalidate(taxLotsProvider),
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data: (all) {
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final near = all.where((l) => l.nearLdv).toList();
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// a copy: the provider's list must not be reordered under other watchers
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final rows = [...(_onlyNearLdv ? near : all)];
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// soonest ЛДВ first among the lots that do not have it yet, eligible ones last
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rows.sort((a, b) {
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if (a.ldvEligible != b.ldvEligible) return a.ldvEligible ? 1 : -1;
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return (a.daysToLdv ?? 1 << 30).compareTo(b.daysToLdv ?? 1 << 30);
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});
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if (all.isEmpty) {
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return ListView(
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padding: const EdgeInsets.all(16),
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children: const [
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SizedBox(height: 48),
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EmptyState(
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icon: Icons.inventory_2_outlined,
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message: 'Открытых лотов нет.',
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),
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],
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);
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}
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return ListView(
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padding: const EdgeInsets.all(16),
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children: [
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if (near.isNotEmpty)
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Card(
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color: Theme.of(context).colorScheme.tertiaryContainer,
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child: ListTile(
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leading: const Icon(Icons.schedule),
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title: Text('До ЛДВ меньше полугода: ${near.length} лот(ов)'),
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subtitle: const Text(
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'Продажа до этой даты облагается налогом на весь прирост.'),
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trailing: FilterChip(
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label: const Text('только они'),
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selected: _onlyNearLdv,
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onSelected: (v) => setState(() => _onlyNearLdv = v),
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),
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),
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),
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const SizedBox(height: 12),
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SectionCard(
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title: 'Открытые лоты',
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subtitle: 'налог при продаже сегодня — оценка по ставке из сводки',
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child: _LotsTable(rows: rows),
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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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}
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class _LotsTable extends StatelessWidget {
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const _LotsTable({required this.rows});
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final List<TaxLot> rows;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final headerStyle = theme.textTheme.labelMedium;
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return SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: DataTable(
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columns: [
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DataColumn(label: Text('Бумага', style: headerStyle)),
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DataColumn(label: Text('Куплен', style: headerStyle)),
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DataColumn(label: Text('Кол-во', style: headerStyle), numeric: true),
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DataColumn(label: Text('Стоимость', style: headerStyle), numeric: true),
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DataColumn(label: Text('Рынок', style: headerStyle), numeric: true),
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DataColumn(label: Text('Нереализ.', style: headerStyle), numeric: true),
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DataColumn(label: Text('Дата ЛДВ', style: headerStyle)),
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DataColumn(label: Text('Дней до ЛДВ', style: headerStyle), numeric: true),
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DataColumn(label: Text('Налог при продаже', style: headerStyle), numeric: true),
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],
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rows: [
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for (final l in rows)
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DataRow(
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color: l.nearLdv
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? WidgetStatePropertyAll(
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theme.colorScheme.tertiaryContainer.withValues(alpha: 0.5))
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: null,
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onSelectChanged: l.instrumentId == null
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? null
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: (_) => context.push('/portfolio/instrument/${l.instrumentId}'),
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cells: [
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DataCell(Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(l.title),
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if (l.nearLdv) ...[
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const SizedBox(width: 6),
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Tooltip(
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message: 'До ЛДВ осталось ${l.daysToLdv} дн. — '
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'продажа сейчас облагается налогом полностью',
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child: Icon(Icons.schedule, size: 16, color: theme.colorScheme.error),
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),
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],
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],
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)),
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DataCell(Text(l.openDate == null ? '—' : ruDate(l.openDate!))),
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DataCell(Text(l.qtyRemaining == null ? '—' : formatQty(l.qtyRemaining!))),
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DataCell(l.costRub == null
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? const Text('—')
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: MoneyText(l.costRub!, currency: 'RUB')),
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DataCell(l.marketValueRub == null
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? const Text('—')
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: MoneyText(l.marketValueRub!, currency: 'RUB')),
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DataCell(l.unrealizedGainRub == null
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? const Text('—')
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: MoneyText(
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l.unrealizedGainRub!,
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currency: 'RUB',
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style: TextStyle(color: signColor(context, l.unrealizedGainRub)),
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)),
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DataCell(l.ldvEligible
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? const Text('уже действует')
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: Text(l.ldvDate == null ? '—' : ruDate(l.ldvDate!))),
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DataCell(l.ldvEligible
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? const Text('—')
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: Text(
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l.daysToLdv == null ? '—' : '${l.daysToLdv}',
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style: l.nearLdv
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? TextStyle(
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color: theme.colorScheme.error, fontWeight: FontWeight.w600)
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: null,
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)),
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DataCell(l.taxIfSoldNowRub == null
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? const Text('—')
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: MoneyText(l.taxIfSoldNowRub!, currency: 'RUB')),
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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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