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.
2026-09-19 10:44:38 +03:00
parent 15f5812ea4
commit b69bb4a0c9
52 changed files with 7404 additions and 13 deletions
@@ -0,0 +1,164 @@
+import 'package:flutter/material.dart';
+
+import '../../../core/utils/ru_date.dart';
+import '../../../core/widgets/money_text.dart';
+import '../../portfolio/labels.dart' show formatQty;
+import '../data/imports_api.dart';
+
+/// Сверка: the report's own positions and cash balances against what the ledger derives.
+///
+/// When everything matches this collapses to a single green line — a full table of zeroes
+/// is noise. A mismatch is the whole point of the screen, so it stays expanded and red.
+class ReconciliationCard extends StatelessWidget {
+  const ReconciliationCard({required this.reconciliation, super.key});
+
+  final Reconciliation reconciliation;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final asOf = reconciliation.asOf;
+    final title = asOf == null ? 'Сверка' : 'Сверка на ${ruDate(asOf)}';
+
+    if (reconciliation.isEmpty) {
+      return Card(
+        child: ListTile(
+          leading: Icon(Icons.remove_circle_outline, color: theme.colorScheme.outline),
+          title: Text(title),
+          subtitle: const Text('В отчёте нет остатков для сверки'),
+        ),
+      );
+    }
+
+    if (reconciliation.matches) {
+      return Card(
+        child: ListTile(
+          leading: const Icon(Icons.check_circle_outline, color: Colors.green),
+          title: Text(title),
+          subtitle: Text(
+            'Всё сошлось: позиций ${reconciliation.positions.length}, '
+            'остатков ${reconciliation.cash.length}',
+            style: const TextStyle(color: Colors.green),
+          ),
+        ),
+      );
+    }
+
+    return Card(
+      child: Padding(
+        padding: const EdgeInsets.all(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Icon(Icons.error_outline, color: theme.colorScheme.error),
+                const SizedBox(width: 8),
+                Text(title, style: theme.textTheme.titleMedium),
+              ],
+            ),
+            const SizedBox(height: 4),
+            Text(
+              'Отчёт и леджер разошлись. Импортировать можно, но расхождение стоит объяснить.',
+              style: theme.textTheme.bodySmall,
+            ),
+            if (reconciliation.positions.isNotEmpty) ...[
+              const SizedBox(height: 12),
+              Text('Позиции', style: theme.textTheme.titleSmall),
+              const SizedBox(height: 4),
+              _ScrollableTable(
+                columns: const ['Позиция', 'Из отчёта', 'Из леджера', 'Расхождение'],
+                rows: [
+                  for (final p in reconciliation.positions)
+                    _Row(
+                      cells: [
+                        p.title,
+                        _qty(p.qtyReport),
+                        _qty(p.qtyDerived),
+                        _qty(p.qtyDelta),
+                      ],
+                      highlight: !p.matches,
+                    ),
+                ],
+              ),
+            ],
+            if (reconciliation.cash.isNotEmpty) ...[
+              const SizedBox(height: 12),
+              Text('Денежные остатки', style: theme.textTheme.titleSmall),
+              const SizedBox(height: 4),
+              _ScrollableTable(
+                columns: const ['Валюта', 'Из отчёта', 'Из леджера', 'Расхождение'],
+                rows: [
+                  for (final c in reconciliation.cash)
+                    _Row(
+                      cells: [
+                        c.currency,
+                        _money(c.balanceReport, c.currency),
+                        _money(c.balanceDerived, c.currency),
+                        _money(c.delta, c.currency),
+                      ],
+                      highlight: !c.matches,
+                    ),
+                ],
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// A quantity the ledger could not produce is an em dash, not a zero: an unknown position
+  /// and an empty one are different findings.
+  static String _qty(String? value) =>
+      value == null || value.isEmpty ? '—' : formatQty(value);
+
+  static String _money(String? value, String currency) =>
+      value == null || value.isEmpty ? '—' : MoneyText.format(value, currency);
+}
+
+class _Row {
+  const _Row({required this.cells, required this.highlight});
+  final List<String> cells;
+  final bool highlight;
+}
+
+/// A narrow table that scrolls sideways rather than overflowing on a phone.
+class _ScrollableTable extends StatelessWidget {
+  const _ScrollableTable({required this.columns, required this.rows});
+
+  final List<String> columns;
+  final List<_Row> rows;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    return SingleChildScrollView(
+      scrollDirection: Axis.horizontal,
+      child: DataTable(
+        columnSpacing: 24,
+        headingRowHeight: 36,
+        dataRowMinHeight: 36,
+        dataRowMaxHeight: 48,
+        columns: [for (final c in columns) DataColumn(label: Text(c))],
+        rows: [
+          for (final r in rows)
+            DataRow(
+              color: r.highlight
+                  ? WidgetStatePropertyAll(theme.colorScheme.errorContainer.withValues(alpha: 0.4))
+                  : null,
+              cells: [
+                for (final cell in r.cells)
+                  DataCell(Text(
+                    cell,
+                    style: r.highlight
+                        ? TextStyle(color: theme.colorScheme.error)
+                        : null,
+                  )),
+              ],
+            ),
+        ],
+      ),
+    );
+  }
+}