390 lines
12 KiB
Dart
390 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../blocs/expense/expense_bloc.dart';
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import '../../blocs/expense/expense_event.dart';
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import '../../blocs/expense/expense_state.dart';
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import '../../blocs/balance/balance_bloc.dart';
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import '../../blocs/balance/balance_event.dart';
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import '../../blocs/balance/balance_state.dart';
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import '../../blocs/user/user_bloc.dart';
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import '../../blocs/user/user_state.dart' as user_state;
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import '../../models/account.dart';
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import '../../models/group.dart';
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import 'add_expense_dialog.dart';
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import 'balances_tab.dart';
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import 'expenses_tab.dart';
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import '../../models/user_balance.dart';
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import '../../models/expense.dart';
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import '../../services/error_service.dart';
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class GroupExpensesPage extends StatefulWidget {
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final Account account;
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final Group group;
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const GroupExpensesPage({
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super.key,
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required this.account,
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required this.group,
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});
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@override
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State<GroupExpensesPage> createState() => _GroupExpensesPageState();
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}
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class _GroupExpensesPageState extends State<GroupExpensesPage>
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with SingleTickerProviderStateMixin {
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late TabController _tabController;
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ExpenseCategory? _selectedCategory;
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String? _selectedPayerId;
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@override
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void initState() {
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super.initState();
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_tabController = TabController(length: 2, vsync: this);
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_loadData();
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}
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@override
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void dispose() {
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_tabController.dispose();
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super.dispose();
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}
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void _loadData() {
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// Charger les dépenses du groupe
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context.read<ExpenseBloc>().add(LoadExpensesByGroup(widget.group.id));
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// Charger les balances du groupe
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context.read<BalanceBloc>().add(LoadGroupBalances(widget.group.id));
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final isDarkMode = theme.brightness == Brightness.dark;
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return Scaffold(
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backgroundColor: isDarkMode
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? theme.scaffoldBackgroundColor
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: Colors.grey[50],
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appBar: AppBar(
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title: const Text(
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'Dépenses du voyage',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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centerTitle: true,
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backgroundColor: Colors.transparent,
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elevation: 0,
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foregroundColor: theme.colorScheme.onSurface,
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leading: IconButton(
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icon: const Icon(Icons.arrow_back),
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onPressed: () => Navigator.pop(context),
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),
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actions: [],
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),
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body: MultiBlocListener(
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listeners: [
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BlocListener<ExpenseBloc, ExpenseState>(
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listener: (context, state) {
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if (state is ExpenseOperationSuccess) {
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ErrorService().showSnackbar(
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message: state.message,
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isError: false,
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);
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_loadData(); // Recharger les données après une opération
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} else if (state is ExpenseError) {
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ErrorService().showError(message: state.message);
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} else if (state is ExpensesLoaded) {
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// Rafraîchir les balances quand les dépenses changent (ex: via stream)
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context.read<BalanceBloc>().add(
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RefreshBalance(widget.group.id),
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);
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}
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},
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),
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],
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child: Column(
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children: [
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// Summary Card
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BlocBuilder<BalanceBloc, BalanceState>(
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builder: (context, state) {
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if (state is GroupBalancesLoaded) {
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return _buildSummaryCard(state.balances, isDarkMode);
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}
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return const SizedBox.shrink();
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},
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),
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// Tabs
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Container(
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(color: theme.dividerColor, width: 1),
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),
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),
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child: TabBar(
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controller: _tabController,
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labelColor: theme.colorScheme.primary,
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unselectedLabelColor: theme.colorScheme.onSurface.withValues(
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alpha: 0.6,
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),
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indicatorColor: theme.colorScheme.primary,
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indicatorWeight: 3,
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labelStyle: const TextStyle(fontWeight: FontWeight.bold),
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tabs: const [
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Tab(text: 'Toutes les dépenses'),
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Tab(text: 'Mes soldes'),
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],
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),
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),
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// Tab View
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Expanded(
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child: TabBarView(
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controller: _tabController,
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children: [
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// Onglet Dépenses
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BlocBuilder<ExpenseBloc, ExpenseState>(
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builder: (context, state) {
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if (state is ExpenseLoading) {
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return const Center(child: CircularProgressIndicator());
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} else if (state is ExpensesLoaded) {
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final userState = context.read<UserBloc>().state;
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final currentUserId = userState is user_state.UserLoaded
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? userState.user.id
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: '';
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var filteredExpenses = state.expenses;
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if (_selectedCategory != null) {
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filteredExpenses = filteredExpenses
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.where((e) => e.category == _selectedCategory)
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.toList();
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}
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if (_selectedPayerId != null) {
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filteredExpenses = filteredExpenses
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.where((e) => e.paidById == _selectedPayerId)
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.toList();
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}
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return ExpensesTab(
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expenses: filteredExpenses,
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group: widget.group,
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currentUserId: currentUserId,
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);
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} else if (state is ExpenseError) {
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return _buildErrorState('Erreur: ${state.message}');
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}
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return _buildEmptyState('Aucune dépense trouvée');
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},
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),
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// Onglet Balances (Combiné)
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BlocBuilder<BalanceBloc, BalanceState>(
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builder: (context, state) {
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if (state is BalanceLoading) {
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return const Center(child: CircularProgressIndicator());
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} else if (state is GroupBalancesLoaded) {
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return BalancesTab(
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balances: state.balances,
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group: widget.group,
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);
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} else if (state is BalanceError) {
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return _buildErrorState('Erreur: ${state.message}');
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}
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return _buildEmptyState('Aucune balance disponible');
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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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floatingActionButton: FloatingActionButton(
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heroTag: 'group_expenses_fab',
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onPressed: _showAddExpenseDialog,
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backgroundColor: Colors.blue,
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foregroundColor: Colors.white,
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elevation: 4,
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shape: const CircleBorder(),
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tooltip: 'Ajouter une dépense',
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child: const Icon(Icons.add, size: 32),
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),
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);
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}
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Widget _buildSummaryCard(List<UserBalance> balances, bool isDarkMode) {
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// Trouver la balance de l'utilisateur courant
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final userState = context.read<UserBloc>().state;
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double myBalance = 0;
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if (userState is user_state.UserLoaded) {
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final myBalanceObj = balances.firstWhere(
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(b) => b.userId == userState.user.id,
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orElse: () => const UserBalance(
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userId: '',
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userName: '',
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totalPaid: 0,
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totalOwed: 0,
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balance: 0,
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),
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);
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myBalance = myBalanceObj.balance;
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}
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final isPositive = myBalance >= 0;
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final color = isPositive ? Colors.green : Colors.red;
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final amountStr = '${myBalance.abs().toStringAsFixed(2)} €';
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return Container(
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margin: const EdgeInsets.all(16),
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: isDarkMode ? Colors.grey[800] : Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 10,
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offset: const Offset(0, 4),
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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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'Votre solde total',
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style: TextStyle(
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color: isDarkMode ? Colors.grey[400] : Colors.grey[600],
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fontSize: 14,
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),
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),
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const SizedBox(height: 8),
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Row(
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children: [
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Text(
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isPositive ? 'On vous doit ' : 'Vous devez ',
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style: TextStyle(
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color: color,
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fontSize: 24,
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fontWeight: FontWeight.bold,
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),
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),
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Text(
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amountStr,
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style: TextStyle(
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color: color,
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fontSize: 24,
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fontWeight: FontWeight.bold,
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),
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),
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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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isPositive
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? 'Vous êtes en positif sur ce voyage.'
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: 'Vous êtes en négatif sur ce voyage.',
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style: TextStyle(
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color: isDarkMode ? Colors.grey[400] : Colors.grey[600],
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fontSize: 14,
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),
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),
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const SizedBox(height: 12),
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InkWell(
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onTap: () {
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_tabController.animateTo(1); // Aller à l'onglet Balances
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},
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child: Text(
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'Voir le détail des soldes',
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style: TextStyle(
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color: Colors.blue[400],
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fontWeight: FontWeight.w500,
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fontSize: 14,
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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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Widget _buildErrorState(String message) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.error_outline, size: 80, color: Colors.red[300]),
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const SizedBox(height: 16),
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Text(
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'Erreur',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: Colors.red[600],
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),
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),
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const SizedBox(height: 8),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 32),
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child: Text(
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message,
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style: TextStyle(fontSize: 16, color: Colors.grey[600]),
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textAlign: TextAlign.center,
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),
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),
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const SizedBox(height: 32),
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ElevatedButton.icon(
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onPressed: _loadData,
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icon: const Icon(Icons.refresh),
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label: const Text('Réessayer'),
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),
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],
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),
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);
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}
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Widget _buildEmptyState(String message) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.info_outline, size: 80, color: Colors.grey[400]),
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const SizedBox(height: 16),
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Text(
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'Aucune donnée',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: Colors.grey[600],
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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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message,
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style: TextStyle(fontSize: 16, color: Colors.grey[500]),
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textAlign: TextAlign.center,
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),
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],
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),
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);
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}
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void _showAddExpenseDialog() {
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final userState = context.read<UserBloc>().state;
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if (userState is user_state.UserLoaded) {
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showDialog(
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context: context,
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builder: (context) =>
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AddExpenseDialog(group: widget.group, currentUser: userState.user),
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);
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} else {
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ErrorService().showError(message: 'Erreur: utilisateur non connecté');
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}
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}
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}
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