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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/// JSON coercion helpers shared by the hand-written phase-4 data layers
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/// (`features/{income,rebalance,goals,tax}/data`, `features/portfolio/data`).
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///
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/// **Temporary, like the layers that use them.** Once the phase-4 routes land in
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/// `openapi/openapi.json` and `just gen-client` runs, the generated models take over the
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/// parsing and this file loses most of its callers.
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///
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/// Nothing here ever produces a `double`: money, quantities and rates arrive as strings and
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/// stay strings until the point of display, where [Decimal] parses them. A numeric JSON
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/// value (should the server ever send one) is kept in its lossless string form.
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library;
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import 'package:decimal/decimal.dart';
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import 'package:dio/dio.dart';
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import '../auth/auth_controller.dart' show problemMessage;
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String? asString(Object? v) => v == null ? null : (v is String ? v : v.toString());
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int? asInt(Object? v) => switch (v) {
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null => null,
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final int i => i,
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final String s => int.tryParse(s),
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_ => null,
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};
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bool asBool(Object? v) => v == true;
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DateTime? asDate(Object? v) {
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final s = asString(v);
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if (s == null || s.isEmpty) return null;
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return DateTime.tryParse(s);
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}
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/// A list of JSON objects; anything else (including null) becomes an empty list.
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List<Map<String, dynamic>> asObjects(Object? v) => v is List
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? v.whereType<Map>().map((e) => Map<String, dynamic>.from(e)).toList()
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: const [];
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Map<String, dynamic>? asObject(Object? v) => v is Map ? Map<String, dynamic>.from(v) : null;
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List<String> asStrings(Object? v) =>
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v is List ? v.map((e) => e.toString()).toList() : const <String>[];
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/// `{"schedule": "8100.00", ...}` — a string→decimal-string map such as `by_basis`.
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Map<String, String> asStringMap(Object? v) => v is Map
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? {for (final e in v.entries) e.key.toString(): e.value?.toString() ?? '0'}
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: const {};
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/// Parses a decimal string, returning null for null/empty/garbage rather than zero:
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/// "no value" and "zero" are different answers and must not be merged.
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Decimal? asDecimal(Object? v) {
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final s = asString(v);
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if (s == null || s.isEmpty) return null;
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return Decimal.tryParse(s);
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}
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/// Sum of decimal strings, exact — used for weight sums, where 0.1 + 0.2 in `double`
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/// would make a valid set look invalid.
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Decimal sumDecimals(Iterable<String> values) => values.fold(
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Decimal.zero,
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(acc, v) => acc + (Decimal.tryParse(v) ?? Decimal.zero),
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);
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/// RFC 7807 `detail` first, then a readable fallback. Never surfaces a raw [DioException].
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String apiErrorMessage(Object error) {
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if (error is! DioException) return error.toString();
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return problemMessage(error);
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}
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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 '../../features/portfolio/providers.dart';
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import 'async_value_view.dart';
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/// The `all | account:<id> | portfolio:<id>` selector, shared by every screen scoped the
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/// same way (Портфель, Доходы, Налоги). Hidden while there is nothing to choose between —
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/// a dropdown with one option is furniture, not a control.
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///
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/// It drives the app-wide [scopeProvider] on purpose: two screens showing different scopes
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/// at the same time is a trap, not a feature.
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class ScopeSelector extends ConsumerWidget {
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const ScopeSelector({super.key});
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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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import 'package:flutter/material.dart';
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/// A titled card section, the layout unit the phase-4 screens are built from (the same
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/// shape Портфель already uses inline).
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class SectionCard extends StatelessWidget {
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const SectionCard({required this.title, required this.child, this.subtitle, this.trailing, super.key});
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final String title;
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final String? subtitle;
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final Widget? trailing;
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final Widget child;
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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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return Card(
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(title, style: theme.textTheme.titleMedium),
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if (subtitle != null)
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Padding(
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padding: const EdgeInsets.only(top: 2),
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child: Text(
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subtitle!,
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style: theme.textTheme.bodySmall?.copyWith(color: theme.hintColor),
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),
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),
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],
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),
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),
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?trailing,
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],
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),
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const SizedBox(height: 12),
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child,
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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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/// A compact labelled number, used for the summary rows of the phase-4 screens.
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class StatTile extends StatelessWidget {
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const StatTile({required this.label, required this.value, this.note, this.width = 184, super.key});
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final String label;
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final Widget value;
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final String? note;
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final double width;
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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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return SizedBox(
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width: width,
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child: Card(
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(label, style: theme.textTheme.bodySmall),
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const SizedBox(height: 4),
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DefaultTextStyle(style: theme.textTheme.titleMedium!, child: value),
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if (note != null) ...[
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const SizedBox(height: 2),
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Text(
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note!,
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style: theme.textTheme.bodySmall?.copyWith(color: theme.hintColor),
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maxLines: 3,
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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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}
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