feat(proj): init
This commit is contained in:
vl.arkhangelskii
@@ -0,0 +1,116 @@
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import 'package:flutter/foundation.dart';
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import 'package:please_pay_me/core/state/async_value.dart';
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import 'package:please_pay_me/data/api/api_client.dart';
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import 'package:please_pay_me/data/models/expense.dart';
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import 'package:please_pay_me/data/repositories/repositories.dart';
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enum JournalScope {
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current('Текущий'),
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all('Все бюджеты');
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const JournalScope(this.label);
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final String label;
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}
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class ExpenseGroup {
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const ExpenseGroup({required this.day, required this.items});
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final DateTime day;
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final List<Expense> items;
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double get total => items.fold<double>(0, (sum, expense) => sum + expense.amount);
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}
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/// Paginated journal of operations with day grouping.
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class JournalController extends ChangeNotifier {
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JournalController({required ExpenseRepository expenses, this.pageSize = 20})
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: _expenses = expenses;
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final ExpenseRepository _expenses;
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final int pageSize;
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AsyncValue<ExpensesPage> _state = const AsyncValue.loading();
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JournalScope _scope = JournalScope.current;
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int? _budgetId;
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bool _loadingMore = false;
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AsyncValue<ExpensesPage> get state => _state;
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JournalScope get scope => _scope;
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bool get isLoadingMore => _loadingMore;
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List<Expense> get items => _state.valueOrNull?.items ?? const [];
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bool get hasMore => _state.valueOrNull?.hasMore ?? false;
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double get totalSum => _state.valueOrNull?.totalSum ?? 0;
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/// Operations bucketed by day, newest first — the journal renders one
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/// inset-grouped section per bucket.
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List<ExpenseGroup> get groups {
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final buckets = <DateTime, List<Expense>>{};
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for (final expense in items) {
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final day = DateTime(expense.spentAt.year, expense.spentAt.month, expense.spentAt.day);
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buckets.putIfAbsent(day, () => []).add(expense);
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}
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final days = buckets.keys.toList()..sort((a, b) => b.compareTo(a));
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return [for (final day in days) ExpenseGroup(day: day, items: buckets[day]!)];
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}
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void bindBudget(int? budgetId) {
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if (_budgetId == budgetId) return;
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_budgetId = budgetId;
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load(silent: true);
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}
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Future<void> setScope(JournalScope scope) async {
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if (_scope == scope) return;
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_scope = scope;
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notifyListeners();
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await load();
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}
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Future<void> load({bool silent = false}) async {
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if (!silent) {
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_state = const AsyncValue.loading();
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notifyListeners();
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}
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try {
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_state = AsyncValue.data(await _fetch(1));
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} on ApiException catch (error) {
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_state = AsyncValue.error(error.message);
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}
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notifyListeners();
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}
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Future<void> loadMore() async {
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final current = _state.valueOrNull;
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if (current == null || !current.hasMore || _loadingMore) return;
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_loadingMore = true;
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notifyListeners();
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try {
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final next = await _fetch(current.page + 1);
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_state = AsyncValue.data(
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next.copyWithItems([...current.items, ...next.items]),
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);
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} on ApiException catch (error) {
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_state = AsyncValue.error(error.message);
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} finally {
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_loadingMore = false;
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notifyListeners();
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}
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}
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Future<ExpensesPage> _fetch(int page) {
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return _expenses.page(
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page: page,
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pageSize: pageSize,
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budgetId: _scope == JournalScope.all ? null : _budgetId,
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all: _scope == JournalScope.all,
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);
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}
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}
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@@ -0,0 +1,143 @@
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import 'package:flutter/cupertino.dart';
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import 'package:please_pay_me/core/format/formatters.dart';
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import 'package:please_pay_me/features/budgets/budgets_controller.dart';
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import 'package:please_pay_me/features/expenses/expense_actions.dart';
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import 'package:please_pay_me/features/journal/journal_controller.dart';
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import 'package:please_pay_me/theme/theme.dart';
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import 'package:please_pay_me/ui/ui.dart';
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import 'package:provider/provider.dart';
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/// Operations grouped by day, with current-budget / all-budgets scope.
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class JournalScreen extends StatelessWidget {
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const JournalScreen({super.key});
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@override
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Widget build(BuildContext context) {
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final journal = context.watch<JournalController>();
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final budgets = context.watch<BudgetsController>();
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return CupertinoPageScaffold(
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backgroundColor: AppColors.of(context, AppColors.groupedBackground),
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child: CustomScrollView(
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physics: const BouncingScrollPhysics(parent: AlwaysScrollableScrollPhysics()),
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slivers: [
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AppLargeNavBar(
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title: 'Журнал',
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trailing: CupertinoButton(
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padding: EdgeInsets.zero,
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minimumSize: Size.zero,
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onPressed: budgets.hasBudgets
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? () => showExpenseFormSheet(context: context, controller: budgets)
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: null,
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child: const AppIcon(CupertinoIcons.add_circled, color: AppColors.accent),
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),
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),
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CupertinoSliverRefreshControl(onRefresh: () => journal.load(silent: true)),
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SliverToBoxAdapter(
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child: Padding(
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padding: const EdgeInsets.only(top: AppSpacing.s2, bottom: AppSpacing.s4),
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child: AppSegmentedControl(
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labels: JournalScope.values.map((scope) => scope.label).toList(),
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index: JournalScope.values.indexOf(journal.scope),
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onChanged: (index) => journal.setScope(JournalScope.values[index]),
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),
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),
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),
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SliverToBoxAdapter(
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child: journal.state.map(
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loading: () => AppListSection(
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children: List.generate(4, (_) => const AppSkeletonRow(hasLeading: false)),
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),
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error: (message) => AppErrorView(message: message, onRetry: journal.load),
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data: (_) => _JournalBody(journal: journal),
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),
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),
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const SliverToBoxAdapter(child: SizedBox(height: AppSpacing.s7)),
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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 _JournalBody extends StatelessWidget {
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const _JournalBody({required this.journal});
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final JournalController journal;
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@override
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Widget build(BuildContext context) {
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final groups = journal.groups;
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if (groups.isEmpty) {
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final budgets = context.read<BudgetsController>();
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return AppEmptyState(
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icon: CupertinoIcons.doc_text,
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title: 'Операций пока нет',
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message: journal.scope == JournalScope.all
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? 'Как только появится первая трата, она появится здесь.'
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: 'В текущем бюджете ещё ничего не потрачено.',
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actionLabel: budgets.hasBudgets ? 'Добавить трату' : null,
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onAction: budgets.hasBudgets
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? () => showExpenseFormSheet(context: context, controller: budgets)
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: null,
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);
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}
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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AppCard(
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child: 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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const AppText.footnote('Всего операций'),
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AppText.title('${journal.state.valueOrNull?.totalCount ?? 0}'),
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],
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),
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),
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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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const AppText.footnote('Сумма'),
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AppText.title(formatMoney(journal.totalSum)),
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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: AppSpacing.s5),
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for (final group in groups) ...[
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AppListSection(
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header: formatRelativeDay(group.day),
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footer: 'Итого за день: ${formatMoney(group.total)}',
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children: [
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for (final expense in group.items)
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AppListTile(
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title: expenseTitle(expense.note),
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subtitle: formatWeekday(expense.spentAt),
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value: expenseAmount(expense.amount),
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showChevron: false,
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),
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],
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),
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const SizedBox(height: AppSpacing.s5),
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],
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if (journal.hasMore)
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: AppSpacing.gutter),
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child: AppButton(
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label: 'Показать ещё',
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style: AppButtonStyle.gray,
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loading: journal.isLoadingMore,
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onPressed: journal.loadMore,
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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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