1220 lines
38 KiB
Dart
1220 lines
38 KiB
Dart
/// Look ahead: projected balance from recurring templates through a date.
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library;
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import 'dart:async';
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import 'package:fl_chart/fl_chart.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../models/bank.dart';
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import '../models/transaction_meta.dart';
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import '../providers/bank_provider.dart';
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import '../providers/preferences_provider.dart';
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import '../providers/tx_meta_provider.dart';
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import '../screens/transactions_screen.dart';
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import '../utils/app_theme.dart';
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import '../utils/helpers.dart';
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import '../utils/look_ahead.dart';
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import '../utils/navigation.dart';
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import '../utils/tx_calendar.dart';
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import '../widgets/empty_state.dart';
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import '../widgets/loading_view.dart';
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import '../widgets/recurring_template_sheet.dart';
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import '../widgets/responsive_body.dart';
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import '../widgets/shell_tab_scope.dart';
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import '../widgets/skip_build_when_covered.dart';
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enum _PeriodMode { monthly, yearly }
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class _ItemsSnapshot {
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const _ItemsSnapshot({required this.key, required this.items});
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final int key;
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final List<RecurringItem> items;
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}
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class _BalancePoint {
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const _BalancePoint({
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required this.key,
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required this.label,
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required this.balance,
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});
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final DateTime key;
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final String label;
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final double balance;
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}
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class LookAheadScreen extends StatefulWidget {
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const LookAheadScreen({super.key});
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static const tabIndex = 2;
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@override
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State<LookAheadScreen> createState() => _LookAheadScreenState();
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}
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class _LookAheadScreenState extends State<LookAheadScreen> {
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var _period = _PeriodMode.monthly;
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late DateTime _cursor;
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_ItemsSnapshot? _snapshot;
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int? _loadingKey;
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int _computeGen = 0;
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var _showChart = false;
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@override
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void initState() {
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super.initState();
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final today = dateOnly(DateTime.now());
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// Default: end of next calendar month.
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_cursor = monthStart(DateTime(today.year, today.month + 1));
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}
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DateTime get _today => dateOnly(DateTime.now());
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DateTime get _minMonth => monthStart(_today);
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/// Inclusive end date for the selected period.
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DateTime get _through {
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// Chart view (and yearly list) always project through year-end.
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if (_showChart || _period == _PeriodMode.yearly) {
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return DateTime(_cursor.year, 12, 31);
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}
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return DateTime(_cursor.year, _cursor.month + 1, 0);
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}
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String get _periodTitle {
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if (_showChart || _period == _PeriodMode.yearly) return '${_cursor.year}';
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return formatMonthYear(_cursor);
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}
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DateTime _maxMonthFor(int maxYears) {
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final t = _today;
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return DateTime(t.year + maxYears, t.month);
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}
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int _maxYear(int maxYears) => _today.year + maxYears;
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bool get _navByYear => _showChart || _period == _PeriodMode.yearly;
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bool _canGoBack() {
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if (_navByYear) return _cursor.year > _today.year;
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return monthStart(_cursor).isAfter(_minMonth);
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}
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bool _canGoForward(int maxYears) {
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if (_navByYear) return _cursor.year < _maxYear(maxYears);
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return monthStart(_cursor).isBefore(_maxMonthFor(maxYears));
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}
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void _clampCursor(int maxYears) {
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if (_navByYear) {
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if (_cursor.year > _maxYear(maxYears)) {
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_cursor = DateTime(_maxYear(maxYears));
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}
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if (_cursor.year < _today.year) {
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_cursor = DateTime(_today.year);
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}
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} else {
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final maxMonth = _maxMonthFor(maxYears);
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if (_cursor.isAfter(maxMonth)) _cursor = maxMonth;
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if (_cursor.isBefore(_minMonth)) _cursor = _minMonth;
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}
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}
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void _setPeriod(_PeriodMode mode, int maxYears) {
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if (mode == _period) return;
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setState(() {
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_period = mode;
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if (mode == _PeriodMode.yearly || _showChart) {
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_cursor = DateTime(_cursor.year);
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_clampCursor(maxYears);
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} else {
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final month = DateTime(_cursor.year, _today.month);
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_cursor = month.isBefore(_minMonth) ? _minMonth : monthStart(month);
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_clampCursor(maxYears);
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}
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});
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}
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void _go(int delta, int maxYears) {
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setState(() {
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if (_navByYear) {
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final next = DateTime(_cursor.year + delta);
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if (next.year < _today.year || next.year > _maxYear(maxYears)) {
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return;
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}
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_cursor = next;
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} else {
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final next = addMonths(monthStart(_cursor), delta);
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final maxMonth = _maxMonthFor(maxYears);
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if (next.isBefore(_minMonth) || next.isAfter(maxMonth)) return;
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_cursor = next;
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}
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});
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}
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void _toggleChart(int maxYears) {
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setState(() {
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_showChart = !_showChart;
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if (_showChart) {
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_cursor = DateTime(_cursor.year);
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} else if (_period == _PeriodMode.monthly) {
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final month = DateTime(_cursor.year, _today.month);
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_cursor = month.isBefore(_minMonth) ? _minMonth : monthStart(month);
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}
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_clampCursor(maxYears);
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});
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}
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int _itemsCacheKey(TxMetaController meta, BankController bank) =>
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Object.hash(meta.storeRevision, identityHashCode(bank.transactions));
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/// Projected account balance at each month-end / year-end.
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List<_BalancePoint> _balanceSeries({
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required List<RecurringItem> items,
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required double currentBalance,
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required int maxYears,
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}) {
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final today = _today;
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if (_period == _PeriodMode.monthly) {
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final year = _cursor.year;
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const months = [
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'J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D',
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];
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final out = <_BalancePoint>[];
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for (var m = 1; m <= 12; m++) {
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final end = DateTime(year, m + 1, 0);
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final balance = !end.isAfter(today)
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? currentBalance
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: predictBalance(
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currentBalance: currentBalance,
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from: today,
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throughDate: end,
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items: items,
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);
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out.add(
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_BalancePoint(
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key: DateTime(year, m),
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label: months[m - 1],
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balance: balance,
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),
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);
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}
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return out;
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}
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final startYear = _today.year;
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final endYear = _maxYear(maxYears);
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final out = <_BalancePoint>[];
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for (var y = startYear; y <= endYear; y++) {
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final end = DateTime(y, 12, 31);
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final balance = !end.isAfter(today)
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? currentBalance
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: predictBalance(
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currentBalance: currentBalance,
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from: today,
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throughDate: end,
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items: items,
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);
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out.add(
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_BalancePoint(
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key: DateTime(y),
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label: '$y',
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balance: balance,
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),
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);
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}
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return out;
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}
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/// Resolve recurring amounts off the build path, yielding so nav stays live.
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void _ensureItemsLoaded({
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required int cacheKey,
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required TxMetaController meta,
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required BankController bank,
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}) {
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if (_snapshot?.key == cacheKey || _loadingKey == cacheKey) return;
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_loadingKey = cacheKey;
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final gen = ++_computeGen;
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final templates = List<RecurringTemplate>.of(meta.recurringTemplates);
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final transactions = bank.transactions;
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unawaited(() async {
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// Let the spinner / tab switch paint before heavy work.
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await Future<void>.delayed(Duration.zero);
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if (!mounted || gen != _computeGen) return;
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final items = <RecurringItem>[];
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for (var i = 0; i < templates.length; i++) {
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final tpl = templates[i];
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items.add(
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RecurringItem(
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templateId: tpl.id,
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description: tpl.name,
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amount: resolveRecurringAmount(
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template: tpl,
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transactions: transactions,
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isInternalTransfer: (tx) => meta.metaFor(tx).internalTransfer,
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labelIdsFor: meta.labelIdsFor,
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),
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currency: tpl.currency,
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dayOfMonth: tpl.dayOfMonth.clamp(1, 28),
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ruleSummary: recurringRuleSummary(
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template: tpl,
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labelName: (id) => meta.labelById(id)?.name ?? 'label',
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),
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sourceTxId: tpl.sourceTxId,
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labelIds: [
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if (tpl.labelId != null && tpl.labelId!.isNotEmpty) tpl.labelId!,
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],
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),
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);
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// Yield often so bottom-nav taps are not starved.
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if (i % 2 == 1) {
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await Future<void>.delayed(Duration.zero);
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if (!mounted || gen != _computeGen) return;
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}
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}
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if (!mounted || gen != _computeGen) return;
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setState(() {
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_snapshot = _ItemsSnapshot(key: cacheKey, items: items);
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if (_loadingKey == cacheKey) _loadingKey = null;
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});
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}());
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}
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@override
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Widget build(BuildContext context) {
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final active = ShellTabScope.of(context) == LookAheadScreen.tabIndex;
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if (!active) {
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if (_loadingKey != null) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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if (ShellTabScope.of(context) == LookAheadScreen.tabIndex) return;
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_computeGen++;
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_loadingKey = null;
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});
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}
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return const SizedBox.expand();
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}
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return SkipBuildWhenCovered(
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builder: (context) => _buildContent(context),
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);
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}
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Widget _buildContent(BuildContext context) {
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final bank = context.watch<BankController>();
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final meta = context.watch<TxMetaController>();
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final maxYears =
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context.watch<PreferencesController>().lookAheadMaxYears;
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final maxMonth = _maxMonthFor(maxYears);
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final needsClamp = _period == _PeriodMode.yearly
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? _cursor.year > _today.year + maxYears
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: _cursor.isAfter(maxMonth);
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if (needsClamp) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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setState(() => _clampCursor(maxYears));
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});
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}
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final theme = Theme.of(context);
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final colors = theme.colorScheme;
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final balance = bank.balance;
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final currency = balance?.currency ??
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(bank.transactions.isNotEmpty
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? bank.transactions.first.currency
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: 'EUR');
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final currentAmount = balance?.amount ?? 0;
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final today = _today;
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final through = _through;
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final cacheKey = _itemsCacheKey(meta, bank);
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if (_snapshot?.key != cacheKey && _loadingKey != cacheKey) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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if (ShellTabScope.of(context) != LookAheadScreen.tabIndex) return;
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_ensureItemsLoaded(cacheKey: cacheKey, meta: meta, bank: bank);
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});
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}
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final snapshot = _snapshot;
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final ready = snapshot != null && snapshot.key == cacheKey;
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if (!ready) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Look ahead'),
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actions: [
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IconButton(
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tooltip: _showChart ? 'Show list' : 'Show chart',
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onPressed: () => _toggleChart(maxYears),
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icon: Icon(
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_showChart ? Icons.view_list_outlined : Icons.calendar_month,
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),
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),
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...bankAppBarActions(context: context),
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],
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),
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body: const LoadingView(message: 'Calculating look ahead…'),
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);
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}
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final items = snapshot.items;
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final projected = projectedOccurrences(
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items: items,
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from: today,
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to: through,
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);
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final predicted = projected.fold<double>(
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currentAmount,
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(sum, row) => sum + row.item.amount,
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);
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final delta = predicted - currentAmount;
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var income = 0.0;
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var expenses = 0.0;
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for (final row in projected) {
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if (row.item.amount >= 0) {
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income += row.item.amount;
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} else {
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expenses += -row.item.amount;
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}
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}
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// One occurrence of each template per month (template run-rate).
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var monthlyIncome = 0.0;
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var monthlyExpense = 0.0;
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for (final item in items) {
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if (item.amount >= 0) {
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monthlyIncome += item.amount;
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} else {
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monthlyExpense += -item.amount;
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}
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}
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return Scaffold(
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appBar: AppBar(
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title: const Text('Look ahead'),
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actions: [
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IconButton(
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tooltip: _showChart ? 'Show list' : 'Show chart',
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onPressed: () => _toggleChart(maxYears),
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icon: Icon(
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_showChart ? Icons.view_list_outlined : Icons.calendar_month,
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),
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),
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...bankAppBarActions(context: context),
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],
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),
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body: ResponsiveBody(
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child: ListView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.fromLTRB(0, 8, 0, 32),
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children: [
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_PeriodToolbar(
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period: _period,
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onPeriodChanged: (mode) => _setPeriod(mode, maxYears),
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),
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const SizedBox(height: 10),
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_PeriodNavigator(
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title: _periodTitle,
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canGoBack: _canGoBack(),
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canGoForward: _canGoForward(maxYears),
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onBack: () => _go(-1, maxYears),
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onForward: () => _go(1, maxYears),
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backTooltip: _navByYear ? 'Previous year' : 'Previous month',
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forwardTooltip: _navByYear ? 'Next year' : 'Next month',
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),
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const SizedBox(height: 12),
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Material(
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color: Colors.transparent,
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child: Ink(
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width: double.infinity,
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padding: const EdgeInsets.all(24),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(20),
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gradient: LinearGradient(
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colors: [colors.primary, colors.tertiary],
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),
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boxShadow: [
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BoxShadow(
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color: colors.primary.withValues(alpha: 0.28),
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blurRadius: 20,
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offset: const Offset(0, 10),
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Projected balance',
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style: theme.textTheme.labelMedium?.copyWith(
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color: colors.onPrimary.withValues(alpha: 0.8),
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),
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),
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const SizedBox(height: 4),
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Text(
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'As of ${_formatLongDate(through)}',
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style: theme.textTheme.titleMedium?.copyWith(
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color: colors.onPrimary,
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fontWeight: FontWeight.w700,
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),
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),
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const SizedBox(height: 12),
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Text(
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formatMoney(predicted, currency),
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style: theme.textTheme.headlineMedium?.copyWith(
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color: colors.onPrimary,
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),
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),
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const SizedBox(height: 8),
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Text(
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balance == null
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? 'No current balance loaded — projection starts at 0'
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: 'Now ${formatMoney(currentAmount, currency)}'
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' · ${delta >= 0 ? '+' : ''}'
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'${formatMoney(delta, currency)} by then',
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style: theme.textTheme.labelMedium?.copyWith(
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color: colors.onPrimary.withValues(alpha: 0.9),
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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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const SizedBox(height: 14),
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Row(
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children: [
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Expanded(
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child: _SummaryCard(
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icon: Icons.south_west,
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iconBackground: AppTheme.accent.withValues(alpha: 0.18),
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iconColor: AppTheme.accent,
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amount: formatMoney(income, currency),
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label: 'Income',
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: _SummaryCard(
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icon: Icons.north_east,
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iconBackground: AppTheme.expense.withValues(alpha: 0.18),
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iconColor: AppTheme.expense,
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amount: formatMoney(expenses, currency),
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label: 'Expenses',
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),
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),
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],
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),
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if (_showChart) ...[
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const SizedBox(height: 16),
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_LookAheadBalanceChart(
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points: _balanceSeries(
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items: items,
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currentBalance: currentAmount,
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maxYears: maxYears,
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),
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period: _period,
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currency: currency,
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),
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const SizedBox(height: 8),
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Text(
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_period == _PeriodMode.yearly
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? 'Projected account balance by year'
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: 'Projected account balance by month',
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style: theme.textTheme.bodySmall?.copyWith(
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color: colors.onSurfaceVariant,
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),
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textAlign: TextAlign.center,
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),
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] else ...[
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const SizedBox(height: 20),
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Row(
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children: [
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Expanded(
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child: Text(
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'Recurring spendings',
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style: theme.textTheme.titleMedium,
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),
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),
|
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TextButton.icon(
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onPressed: () => showCreateRecurringTemplateSheet(context),
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|
icon: const Icon(Icons.add, size: 18),
|
|
label: const Text('New'),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 10),
|
|
Row(
|
|
children: [
|
|
Expanded(
|
|
child: _SummaryCard(
|
|
icon: Icons.south_west,
|
|
iconBackground: AppTheme.accent.withValues(alpha: 0.18),
|
|
iconColor: AppTheme.accent,
|
|
amount: formatMoney(monthlyIncome, currency),
|
|
label: 'Monthly income',
|
|
),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: _SummaryCard(
|
|
icon: Icons.north_east,
|
|
iconBackground: AppTheme.expense.withValues(alpha: 0.18),
|
|
iconColor: AppTheme.expense,
|
|
amount: formatMoney(monthlyExpense, currency),
|
|
label: 'Monthly expense',
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 10),
|
|
_SavingsCard(
|
|
monthlySavings: monthlyIncome - monthlyExpense,
|
|
currency: currency,
|
|
),
|
|
const SizedBox(height: 10),
|
|
if (items.isEmpty)
|
|
const EmptyState(
|
|
icon: Icons.event_repeat_outlined,
|
|
title: 'No recurring spendings',
|
|
message:
|
|
'Open a transaction and tap Create recurring spending, '
|
|
'or use New to pick a transaction or label average.',
|
|
)
|
|
else
|
|
Card(
|
|
color: colors.surfaceContainer,
|
|
elevation: 0,
|
|
clipBehavior: Clip.antiAlias,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(16),
|
|
),
|
|
child: Column(
|
|
children: [
|
|
for (var i = 0; i < items.length; i++) ...[
|
|
if (i > 0)
|
|
Divider(
|
|
height: 1,
|
|
indent: 16,
|
|
color: colors.outlineVariant.withValues(alpha: 0.4),
|
|
),
|
|
_TemplateTile(
|
|
item: items[i],
|
|
template:
|
|
meta.recurringTemplateById(items[i].templateId),
|
|
transactions: bank.transactions,
|
|
),
|
|
],
|
|
],
|
|
),
|
|
),
|
|
],
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _LookAheadBalanceChart extends StatelessWidget {
|
|
const _LookAheadBalanceChart({
|
|
required this.points,
|
|
required this.period,
|
|
required this.currency,
|
|
});
|
|
|
|
final List<_BalancePoint> points;
|
|
final _PeriodMode period;
|
|
final String currency;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final theme = Theme.of(context);
|
|
final colors = theme.colorScheme;
|
|
if (points.isEmpty) {
|
|
return Card(
|
|
color: colors.surfaceContainer,
|
|
elevation: 0,
|
|
margin: EdgeInsets.zero,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(24),
|
|
child: Text(
|
|
'No projected balance for this period',
|
|
style: theme.textTheme.bodyMedium?.copyWith(
|
|
color: colors.onSurfaceVariant,
|
|
),
|
|
textAlign: TextAlign.center,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
var minY = points.first.balance;
|
|
var maxY = points.first.balance;
|
|
for (final p in points) {
|
|
if (p.balance < minY) minY = p.balance;
|
|
if (p.balance > maxY) maxY = p.balance;
|
|
}
|
|
if (minY == maxY) {
|
|
minY -= 1;
|
|
maxY += 1;
|
|
}
|
|
final pad = (maxY - minY).abs() * 0.12;
|
|
final safeMin = minY - pad;
|
|
final safeMax = maxY + pad;
|
|
final interval = ((safeMax - safeMin) / 3).abs();
|
|
final safeInterval = interval <= 0 ? 1.0 : interval;
|
|
|
|
final spots = [
|
|
for (var i = 0; i < points.length; i++)
|
|
FlSpot(i.toDouble(), points[i].balance),
|
|
];
|
|
|
|
return Card(
|
|
color: colors.surfaceContainer,
|
|
elevation: 0,
|
|
margin: EdgeInsets.zero,
|
|
clipBehavior: Clip.antiAlias,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
|
|
child: Padding(
|
|
padding: const EdgeInsets.fromLTRB(14, 14, 14, 16),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.stretch,
|
|
children: [
|
|
Text(
|
|
'Projected balance',
|
|
style: theme.textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.w700,
|
|
),
|
|
),
|
|
const SizedBox(height: 12),
|
|
SizedBox(
|
|
height: 220,
|
|
child: LineChart(
|
|
LineChartData(
|
|
minX: 0,
|
|
maxX: (points.length - 1).toDouble(),
|
|
minY: safeMin,
|
|
maxY: safeMax,
|
|
lineTouchData: LineTouchData(
|
|
handleBuiltInTouches: true,
|
|
touchTooltipData: LineTouchTooltipData(
|
|
getTooltipItems: (touched) {
|
|
return [
|
|
for (final spot in touched)
|
|
if (spot.x.round() >= 0 &&
|
|
spot.x.round() < points.length)
|
|
LineTooltipItem(
|
|
'${points[spot.x.round()].label}\n'
|
|
'${formatMoney(points[spot.x.round()].balance, currency)}',
|
|
theme.textTheme.labelMedium!.copyWith(
|
|
color: colors.onInverseSurface,
|
|
fontWeight: FontWeight.w600,
|
|
),
|
|
),
|
|
];
|
|
},
|
|
),
|
|
),
|
|
titlesData: FlTitlesData(
|
|
topTitles: const AxisTitles(
|
|
sideTitles: SideTitles(showTitles: false),
|
|
),
|
|
rightTitles: const AxisTitles(
|
|
sideTitles: SideTitles(showTitles: false),
|
|
),
|
|
leftTitles: AxisTitles(
|
|
sideTitles: SideTitles(
|
|
showTitles: true,
|
|
reservedSize: 44,
|
|
interval: safeInterval,
|
|
getTitlesWidget: (value, meta) {
|
|
if ((value - safeMax).abs() < 0.01 ||
|
|
(value - safeMin).abs() < 0.01) {
|
|
return const SizedBox.shrink();
|
|
}
|
|
return Text(
|
|
_compactMoney(value),
|
|
style: theme.textTheme.labelSmall,
|
|
);
|
|
},
|
|
),
|
|
),
|
|
bottomTitles: AxisTitles(
|
|
sideTitles: SideTitles(
|
|
showTitles: true,
|
|
reservedSize: 28,
|
|
interval: 1,
|
|
getTitlesWidget: (value, meta) {
|
|
final index = value.round();
|
|
if (index < 0 || index >= points.length) {
|
|
return const SizedBox.shrink();
|
|
}
|
|
if (period == _PeriodMode.yearly &&
|
|
points.length > 8 &&
|
|
index % 2 == 1) {
|
|
return const SizedBox.shrink();
|
|
}
|
|
return Padding(
|
|
padding: const EdgeInsets.only(top: 8),
|
|
child: Text(
|
|
points[index].label,
|
|
style: theme.textTheme.labelSmall,
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
),
|
|
gridData: FlGridData(
|
|
show: true,
|
|
drawVerticalLine: false,
|
|
horizontalInterval: safeInterval,
|
|
getDrawingHorizontalLine: (value) => FlLine(
|
|
color: colors.outlineVariant.withValues(alpha: 0.35),
|
|
strokeWidth: 1,
|
|
dashArray: const [4, 4],
|
|
),
|
|
),
|
|
borderData: FlBorderData(show: false),
|
|
lineBarsData: [
|
|
LineChartBarData(
|
|
spots: spots,
|
|
isCurved: true,
|
|
curveSmoothness: 0.18,
|
|
color: colors.primary,
|
|
barWidth: 3,
|
|
isStrokeCapRound: true,
|
|
dotData: FlDotData(
|
|
show: true,
|
|
getDotPainter: (spot, percent, bar, index) {
|
|
return FlDotCirclePainter(
|
|
radius: 3.5,
|
|
color: colors.primary,
|
|
strokeWidth: 0,
|
|
);
|
|
},
|
|
),
|
|
belowBarData: BarAreaData(
|
|
show: true,
|
|
color: colors.primary.withValues(alpha: 0.14),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
duration: Duration.zero,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _SavingsCard extends StatelessWidget {
|
|
const _SavingsCard({
|
|
required this.monthlySavings,
|
|
required this.currency,
|
|
});
|
|
|
|
final double monthlySavings;
|
|
final String currency;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final theme = Theme.of(context);
|
|
final colors = theme.colorScheme;
|
|
final yearly = monthlySavings * 12;
|
|
final positive = monthlySavings >= 0;
|
|
final tone = positive ? AppTheme.accent : AppTheme.expense;
|
|
|
|
return Card(
|
|
color: colors.surfaceContainer,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(18),
|
|
),
|
|
child: Padding(
|
|
padding: const EdgeInsets.fromLTRB(14, 14, 14, 14),
|
|
child: Row(
|
|
children: [
|
|
Container(
|
|
width: 42,
|
|
height: 42,
|
|
decoration: BoxDecoration(
|
|
color: tone.withValues(alpha: 0.18),
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Icon(Icons.savings_outlined, color: tone, size: 22),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: _SavingsMetric(
|
|
label: 'Monthly savings',
|
|
amount: formatMoney(monthlySavings, currency),
|
|
color: tone,
|
|
),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: _SavingsMetric(
|
|
label: 'Yearly savings',
|
|
amount: formatMoney(yearly, currency),
|
|
color: tone,
|
|
alignEnd: true,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _SavingsMetric extends StatelessWidget {
|
|
const _SavingsMetric({
|
|
required this.label,
|
|
required this.amount,
|
|
required this.color,
|
|
this.alignEnd = false,
|
|
});
|
|
|
|
final String label;
|
|
final String amount;
|
|
final Color color;
|
|
final bool alignEnd;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final theme = Theme.of(context);
|
|
final colors = theme.colorScheme;
|
|
return Column(
|
|
crossAxisAlignment:
|
|
alignEnd ? CrossAxisAlignment.end : CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
label.toUpperCase(),
|
|
style: theme.textTheme.labelSmall?.copyWith(
|
|
letterSpacing: 0.6,
|
|
fontWeight: FontWeight.w600,
|
|
color: colors.onSurfaceVariant,
|
|
),
|
|
),
|
|
const SizedBox(height: 2),
|
|
Text(
|
|
amount,
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
style: theme.textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.w700,
|
|
color: color,
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
}
|
|
|
|
String _compactMoney(double value) {
|
|
final abs = value.abs();
|
|
if (abs >= 1000000) return '${(value / 1000000).toStringAsFixed(1)}M';
|
|
if (abs >= 1000) return '${(value / 1000).toStringAsFixed(1)}k';
|
|
if (abs >= 100) return value.toStringAsFixed(0);
|
|
return value.toStringAsFixed(abs < 10 && abs > 0 ? 1 : 0);
|
|
}
|
|
|
|
class _PeriodToolbar extends StatelessWidget {
|
|
const _PeriodToolbar({
|
|
required this.period,
|
|
required this.onPeriodChanged,
|
|
});
|
|
|
|
final _PeriodMode period;
|
|
final ValueChanged<_PeriodMode> onPeriodChanged;
|
|
|
|
static const _segmentStyle = ButtonStyle(
|
|
visualDensity: VisualDensity(horizontal: -4, vertical: -3),
|
|
tapTargetSize: MaterialTapTargetSize.shrinkWrap,
|
|
padding: WidgetStatePropertyAll(EdgeInsets.symmetric(horizontal: 10)),
|
|
minimumSize: WidgetStatePropertyAll(Size(0, 32)),
|
|
);
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Align(
|
|
alignment: Alignment.centerLeft,
|
|
child: SegmentedButton<_PeriodMode>(
|
|
showSelectedIcon: false,
|
|
style: _segmentStyle,
|
|
segments: const [
|
|
ButtonSegment(
|
|
value: _PeriodMode.monthly,
|
|
label: Text('Month'),
|
|
),
|
|
ButtonSegment(
|
|
value: _PeriodMode.yearly,
|
|
label: Text('Year'),
|
|
),
|
|
],
|
|
selected: {period},
|
|
onSelectionChanged: (selection) {
|
|
onPeriodChanged(selection.first);
|
|
},
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _PeriodNavigator extends StatelessWidget {
|
|
const _PeriodNavigator({
|
|
required this.title,
|
|
required this.canGoBack,
|
|
required this.canGoForward,
|
|
required this.onBack,
|
|
required this.onForward,
|
|
required this.backTooltip,
|
|
required this.forwardTooltip,
|
|
});
|
|
|
|
final String title;
|
|
final bool canGoBack;
|
|
final bool canGoForward;
|
|
final VoidCallback onBack;
|
|
final VoidCallback onForward;
|
|
final String backTooltip;
|
|
final String forwardTooltip;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final theme = Theme.of(context);
|
|
|
|
return Row(
|
|
children: [
|
|
IconButton(
|
|
tooltip: backTooltip,
|
|
onPressed: canGoBack ? onBack : null,
|
|
visualDensity: const VisualDensity(horizontal: -4, vertical: -4),
|
|
constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
|
|
padding: EdgeInsets.zero,
|
|
icon: const Icon(Icons.chevron_left, size: 22),
|
|
),
|
|
Expanded(
|
|
child: Text(
|
|
title,
|
|
textAlign: TextAlign.center,
|
|
style: theme.textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.w700,
|
|
),
|
|
),
|
|
),
|
|
IconButton(
|
|
tooltip: forwardTooltip,
|
|
onPressed: canGoForward ? onForward : null,
|
|
visualDensity: const VisualDensity(horizontal: -4, vertical: -4),
|
|
constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
|
|
padding: EdgeInsets.zero,
|
|
icon: const Icon(Icons.chevron_right, size: 22),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
}
|
|
|
|
class _SummaryCard extends StatelessWidget {
|
|
const _SummaryCard({
|
|
required this.icon,
|
|
required this.iconBackground,
|
|
required this.iconColor,
|
|
required this.amount,
|
|
required this.label,
|
|
});
|
|
|
|
final IconData icon;
|
|
final Color iconBackground;
|
|
final Color iconColor;
|
|
final String amount;
|
|
final String label;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final theme = Theme.of(context);
|
|
final colors = theme.colorScheme;
|
|
|
|
return Card(
|
|
color: colors.surfaceContainer,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(
|
|
borderRadius: BorderRadius.circular(18),
|
|
),
|
|
child: Padding(
|
|
padding: const EdgeInsets.fromLTRB(14, 14, 14, 14),
|
|
child: Row(
|
|
children: [
|
|
Container(
|
|
width: 42,
|
|
height: 42,
|
|
decoration: BoxDecoration(
|
|
color: iconBackground,
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Icon(icon, color: iconColor, size: 22),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
amount,
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
style: theme.textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.w700,
|
|
color: colors.onSurface,
|
|
),
|
|
),
|
|
const SizedBox(height: 2),
|
|
Text(
|
|
label.toUpperCase(),
|
|
style: theme.textTheme.labelSmall?.copyWith(
|
|
letterSpacing: 0.6,
|
|
fontWeight: FontWeight.w600,
|
|
color: colors.onSurfaceVariant,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
String _formatLongDate(DateTime date) {
|
|
const months = [
|
|
'January',
|
|
'February',
|
|
'March',
|
|
'April',
|
|
'May',
|
|
'June',
|
|
'July',
|
|
'August',
|
|
'September',
|
|
'October',
|
|
'November',
|
|
'December',
|
|
];
|
|
return '${date.day} ${months[date.month - 1]} ${date.year}';
|
|
}
|
|
|
|
class _TemplateTile extends StatelessWidget {
|
|
const _TemplateTile({
|
|
required this.item,
|
|
required this.template,
|
|
required this.transactions,
|
|
});
|
|
|
|
final RecurringItem item;
|
|
final RecurringTemplate? template;
|
|
final List<BankTransaction> transactions;
|
|
|
|
BankTransaction? get _sourceTx {
|
|
final id = item.sourceTxId;
|
|
if (id == null) return null;
|
|
for (final tx in transactions) {
|
|
if (tx.id == id) return tx;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
void _openTransactions(BuildContext context) {
|
|
final labelIds = item.labelIds.toSet();
|
|
SimilarMatchCriteria? similar;
|
|
TxFlowFilter? flow;
|
|
String? query;
|
|
|
|
if (labelIds.isEmpty) {
|
|
final tx = _sourceTx;
|
|
if (tx != null) {
|
|
// Same matching as Look ahead / apply-to-similar for this source tx.
|
|
similar = SimilarMatchCriteria(
|
|
pattern: defaultSimilarPattern(tx.description),
|
|
flow: tx.amount < 0
|
|
? TxFlowFilter.expense
|
|
: tx.amount > 0
|
|
? TxFlowFilter.income
|
|
: TxFlowFilter.all,
|
|
);
|
|
flow = similar.flow;
|
|
} else if (template != null && template!.merchantKey.isNotEmpty) {
|
|
query = template!.merchantKey;
|
|
} else {
|
|
query = item.description;
|
|
}
|
|
}
|
|
|
|
Navigator.of(context).push(
|
|
MaterialPageRoute<void>(
|
|
builder: (_) => TransactionsScreen(
|
|
initialLabelIds: labelIds,
|
|
initialLabelMatch: LabelMatchMode.or,
|
|
initialQuery: query,
|
|
initialFlow: flow,
|
|
initialSimilarMatch: similar,
|
|
initialSearchInMonthOnly: false,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final theme = Theme.of(context);
|
|
final colors = theme.colorScheme;
|
|
final income = item.amount >= 0;
|
|
final tpl = template;
|
|
|
|
return ListTile(
|
|
leading: IconButton(
|
|
tooltip: 'Edit spending',
|
|
icon: Icon(Icons.tune, color: colors.primary),
|
|
onPressed: tpl == null
|
|
? null
|
|
: () => showEditRecurringTemplateSheet(context, template: tpl),
|
|
),
|
|
title: Text(
|
|
item.description,
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
subtitle: Text(
|
|
[
|
|
'Day ${item.dayOfMonth}',
|
|
if (item.ruleSummary.isNotEmpty) item.ruleSummary,
|
|
].join(' · '),
|
|
style: theme.textTheme.bodySmall?.copyWith(
|
|
color: colors.onSurfaceVariant,
|
|
),
|
|
),
|
|
trailing: Text(
|
|
formatMoney(item.amount, item.currency),
|
|
style: theme.textTheme.titleSmall?.copyWith(
|
|
fontWeight: FontWeight.w700,
|
|
color: income ? AppTheme.accent : AppTheme.expense,
|
|
),
|
|
),
|
|
onTap: () => _openTransactions(context),
|
|
);
|
|
}
|
|
}
|