427 lines
14 KiB
Dart
427 lines
14 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:travel_mate/components/home/create_trip_content.dart';
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import '../home/show_trip_details_content.dart';
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import '../../blocs/user/user_bloc.dart';
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import '../../blocs/user/user_state.dart';
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import '../../blocs/trip/trip_bloc.dart';
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import '../../blocs/trip/trip_state.dart';
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import '../../blocs/trip/trip_event.dart';
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import '../../models/trip.dart';
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/// Home content widget for the main application dashboard.
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///
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/// This widget serves as the primary content area of the home screen,
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/// displaying user trips and providing navigation to trip management
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/// features. Key functionality includes:
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/// - Loading and displaying user trips
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/// - Creating new trips
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/// - Viewing trip details
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/// - Managing trip state with proper user authentication
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///
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/// The widget maintains state persistence using AutomaticKeepAliveClientMixin
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/// to preserve content when switching between tabs.
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class HomeContent extends StatefulWidget {
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/// Creates a home content widget.
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const HomeContent({super.key});
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@override
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State<HomeContent> createState() => _HomeContentState();
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}
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class _HomeContentState extends State<HomeContent> with AutomaticKeepAliveClientMixin {
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/// Preserves widget state when switching between tabs
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@override
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bool get wantKeepAlive => true;
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/// Flag to prevent duplicate trip loading operations
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bool _hasLoadedTrips = false;
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@override
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void initState() {
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super.initState();
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// Use addPostFrameCallback to wait for the widget tree to be ready
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_loadTripsIfUserLoaded();
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});
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}
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/// Loads trips if a user is currently loaded and trips haven't been loaded yet.
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///
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/// Checks the current user state and initiates trip loading if the user is
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/// authenticated and trips haven't been loaded previously. This prevents
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/// duplicate loading operations.
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void _loadTripsIfUserLoaded() {
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if (!_hasLoadedTrips && mounted) {
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final userState = context.read<UserBloc>().state;
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if (userState is UserLoaded) {
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_hasLoadedTrips = true;
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context.read<TripBloc>().add(LoadTripsByUserId(userId: userState.user.id));
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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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super.build(context); // Important pour AutomaticKeepAliveClientMixin
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return BlocBuilder<UserBloc, UserState>(
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builder: (context, userState) {
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if (userState is UserLoading) {
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return Scaffold(
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body: Center(
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child: CircularProgressIndicator(),
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),
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);
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}
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if (userState is UserError) {
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return Scaffold(
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body: 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, size: 64, color: Colors.red),
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SizedBox(height: 16),
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Text('Erreur: ${userState.message}'),
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],
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),
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),
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);
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}
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if (userState is! UserLoaded) {
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return Scaffold(
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body: Center(
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child: Text('Veuillez vous connecter'),
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),
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);
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}
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final user = userState.user;
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return BlocConsumer<TripBloc, TripState>(
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listener: (context, tripState) {
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if (tripState is TripOperationSuccess) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(tripState.message),
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backgroundColor: Colors.green,
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),
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);
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} else if (tripState is TripError) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(tripState.message),
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backgroundColor: Colors.red,
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),
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);
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} else if (tripState is TripCreated) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Voyage en cours de création...'),
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backgroundColor: Colors.blue,
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duration: Duration(seconds: 1),
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),
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);
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}
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},
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builder: (context, tripState) {
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// AJOUTÉ : Si l'état est initial et qu'on n'a pas encore chargé, charger maintenant
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if (tripState is TripInitial && !_hasLoadedTrips) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_loadTripsIfUserLoaded();
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});
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}
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return Scaffold(
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body: RefreshIndicator(
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onRefresh: () async {
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context.read<TripBloc>().add(LoadTripsByUserId(userId: user.id));
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await Future.delayed(Duration(milliseconds: 500));
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},
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child: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.all(16.0),
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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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'Bonjour ${user.prenom} !',
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style: TextStyle(
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fontSize: 28,
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fontWeight: FontWeight.bold,
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color: Theme.of(context).brightness == Brightness.dark
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? Colors.white
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: Colors.black,
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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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'Vos voyages',
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style: TextStyle(
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fontSize: 16,
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color: Theme.of(context).brightness == Brightness.dark
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? Colors.white70
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: Colors.grey[600],
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),
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),
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const SizedBox(height: 20),
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if (tripState is TripLoading || tripState is TripCreated)
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_buildLoadingState()
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else if (tripState is TripError)
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_buildErrorState(tripState.message, user.id)
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else if (tripState is TripLoaded)
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tripState.trips.isEmpty
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? _buildEmptyState()
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: _buildTripsList(tripState.trips)
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else if (tripState is TripInitial)
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_buildLoadingState() // Afficher le loader pendant le premier chargement
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else
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_buildEmptyState(),
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const SizedBox(height: 80),
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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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onPressed: () async {
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final tripBloc = context.read<TripBloc>();
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final result = await Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => const CreateTripContent()),
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);
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if (result == true && mounted) {
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tripBloc.add(LoadTripsByUserId(userId: user.id));
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}
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},
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backgroundColor: Theme.of(context).colorScheme.primary,
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foregroundColor: Colors.white,
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child: const Icon(Icons.add),
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),
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floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
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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 _buildLoadingState() {
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return Center(
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child: Padding(
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padding: EdgeInsets.all(32),
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child: CircularProgressIndicator(),
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),
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);
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}
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Widget _buildErrorState(String error, String userId) {
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return Center(
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child: Padding(
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padding: EdgeInsets.all(32),
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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, size: 64, color: Colors.red),
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SizedBox(height: 16),
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Text('Erreur lors du chargement des voyages'),
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SizedBox(height: 8),
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Text(
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error,
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 12, color: Colors.grey),
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),
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SizedBox(height: 16),
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ElevatedButton(
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onPressed: () {
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context.read<TripBloc>().add(LoadTripsByUserId(userId: userId));
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},
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child: 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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}
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Widget _buildEmptyState() {
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return Center(
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child: Padding(
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padding: EdgeInsets.all(32),
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child: Column(
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children: [
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Icon(Icons.travel_explore, size: 80, color: Colors.grey[400]),
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SizedBox(height: 16),
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Text(
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'Aucun voyage',
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
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),
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SizedBox(height: 8),
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Text(
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'Créez votre premier voyage en appuyant sur le bouton +',
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 14, color: Colors.grey[600]),
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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 _buildTripsList(List<Trip> trips) {
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return Column(
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children: trips.map((trip) => _buildTripCard(trip)).toList(),
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);
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}
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Widget _buildTripCard(Trip trip) {
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final isDarkMode = Theme.of(context).brightness == Brightness.dark;
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final textColor = isDarkMode ? Colors.white : Colors.black;
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final subtextColor = isDarkMode ? Colors.white70 : Colors.grey[600];
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return Card(
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margin: EdgeInsets.only(bottom: 12),
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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child: InkWell(
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onTap: () async {
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final result = await Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => ShowTripDetailsContent(trip: trip),
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),
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);
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if (result == true && mounted) {
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final userState = context.read<UserBloc>().state;
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if (userState is UserLoaded) {
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context.read<TripBloc>().add(LoadTripsByUserId(userId: userState.user.id));
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}
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}
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},
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borderRadius: BorderRadius.circular(12),
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child: Padding(
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padding: EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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trip.title,
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: textColor,
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),
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),
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SizedBox(height: 4),
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Row(
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children: [
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Icon(Icons.location_on, size: 16, color: subtextColor),
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SizedBox(width: 4),
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Text(
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trip.location,
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style: TextStyle(color: subtextColor),
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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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Container(
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padding: EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: _getStatusColor(trip).withValues(alpha: 0.2),
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borderRadius: BorderRadius.circular(12),
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),
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child: Text(
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_getStatusText(trip),
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style: TextStyle(
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color: _getStatusColor(trip),
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fontWeight: FontWeight.bold,
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fontSize: 12,
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),
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),
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),
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],
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),
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SizedBox(height: 12),
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Row(
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children: [
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Icon(Icons.calendar_today, size: 16, color: subtextColor),
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SizedBox(width: 4),
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Text(
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'${_formatDate(trip.startDate)} - ${_formatDate(trip.endDate)}',
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style: TextStyle(fontSize: 14, color: subtextColor),
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),
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],
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),
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if (trip.budget != null) ...[
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SizedBox(height: 8),
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Row(
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children: [
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Icon(Icons.euro, size: 16, color: subtextColor),
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SizedBox(width: 4),
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Text(
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'${trip.budget!.toStringAsFixed(2)} €',
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style: TextStyle(fontSize: 14, color: subtextColor),
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),
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],
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),
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],
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SizedBox(height: 8),
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Row(
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children: [
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Icon(Icons.people, size: 16, color: subtextColor),
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SizedBox(width: 4),
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Text(
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'${trip.participants.length} participant${trip.participants.length > 1 ? 's' : ''}',
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style: TextStyle(fontSize: 14, color: subtextColor),
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),
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],
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),
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],
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),
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),
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),
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);
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}
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Color _getStatusColor(Trip trip) {
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final now = DateTime.now();
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if (now.isBefore(trip.startDate)) {
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return Colors.blue;
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} else if (now.isAfter(trip.endDate)) {
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return Colors.grey;
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} else {
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return Colors.green;
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}
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}
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String _getStatusText(Trip trip) {
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final now = DateTime.now();
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if (now.isBefore(trip.startDate)) {
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return 'À venir';
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} else if (now.isAfter(trip.endDate)) {
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return 'Terminé';
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} else {
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return 'En cours';
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}
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}
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String _formatDate(DateTime date) {
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return '${date.day}/${date.month}/${date.year}';
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}
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} |