Files
unionflow-server-api/unionflow-mobile-apps/lib/features/evenements/presentation/pages/evenements_page.dart
2025-09-15 20:15:34 +00:00

401 lines
12 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import '../../../../core/di/injection.dart';
import '../../../../core/models/evenement_model.dart';
import '../../../../core/animations/loading_animations.dart';
import '../../../../core/animations/page_transitions.dart';
import '../../../../shared/theme/app_theme.dart';
import '../bloc/evenement_bloc.dart';
import '../bloc/evenement_event.dart';
import '../bloc/evenement_state.dart';
import '../widgets/evenement_card.dart';
import '../widgets/evenement_search_bar.dart';
import '../widgets/evenement_filter_chips.dart';
import '../widgets/animated_evenement_list.dart';
import 'evenement_detail_page.dart';
import 'evenement_create_page.dart';
/// Page principale des événements
class EvenementsPage extends StatelessWidget {
const EvenementsPage({super.key});
@override
Widget build(BuildContext context) {
return BlocProvider(
create: (context) => getIt<EvenementBloc>()
..add(const LoadEvenementsAVenir()),
child: const _EvenementsPageContent(),
);
}
}
class _EvenementsPageContent extends StatefulWidget {
const _EvenementsPageContent();
@override
State<_EvenementsPageContent> createState() => _EvenementsPageContentState();
}
class _EvenementsPageContentState extends State<_EvenementsPageContent>
with TickerProviderStateMixin {
late TabController _tabController;
late AnimationController _listAnimationController;
late AnimationController _tabAnimationController;
late Animation<double> _tabFadeAnimation;
final ScrollController _scrollController = ScrollController();
String _searchTerm = '';
TypeEvenement? _selectedType;
@override
void initState() {
super.initState();
_tabController = TabController(length: 3, vsync: this);
_listAnimationController = AnimationController(
duration: const Duration(milliseconds: 800),
vsync: this,
);
_tabAnimationController = AnimationController(
duration: const Duration(milliseconds: 300),
vsync: this,
);
_tabFadeAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
CurvedAnimation(
parent: _tabAnimationController,
curve: Curves.easeInOut,
),
);
_scrollController.addListener(_onScroll);
_tabController.addListener(() {
if (_tabController.indexIsChanging) {
_onTabChanged(_tabController.index);
}
});
// Démarrer les animations d'entrée
_listAnimationController.forward();
_tabAnimationController.forward();
}
@override
void dispose() {
_tabController.dispose();
_listAnimationController.dispose();
_tabAnimationController.dispose();
_scrollController.dispose();
super.dispose();
}
void _onScroll() {
if (_isBottom) {
final bloc = context.read<EvenementBloc>();
final state = bloc.state;
if (state is EvenementLoaded && !state.hasReachedMax) {
_loadMoreEvents(state);
}
}
}
bool get _isBottom {
if (!_scrollController.hasClients) return false;
final maxScroll = _scrollController.position.maxScrollExtent;
final currentScroll = _scrollController.offset;
return currentScroll >= (maxScroll * 0.9);
}
void _loadMoreEvents(EvenementLoaded state) {
final nextPage = state.currentPage + 1;
switch (_tabController.index) {
case 0:
context.read<EvenementBloc>().add(
LoadEvenementsAVenir(page: nextPage),
);
break;
case 1:
context.read<EvenementBloc>().add(
LoadEvenementsPublics(page: nextPage),
);
break;
case 2:
if (_searchTerm.isNotEmpty) {
context.read<EvenementBloc>().add(
SearchEvenements(terme: _searchTerm, page: nextPage),
);
} else if (_selectedType != null) {
context.read<EvenementBloc>().add(
FilterEvenementsByType(type: _selectedType!, page: nextPage),
);
} else {
context.read<EvenementBloc>().add(
LoadEvenements(page: nextPage),
);
}
break;
}
}
void _onTabChanged(int index) {
context.read<EvenementBloc>().add(const ResetEvenementState());
switch (index) {
case 0:
context.read<EvenementBloc>().add(const LoadEvenementsAVenir());
break;
case 1:
context.read<EvenementBloc>().add(const LoadEvenementsPublics());
break;
case 2:
context.read<EvenementBloc>().add(const LoadEvenements());
break;
}
}
void _onSearch(String terme) {
setState(() {
_searchTerm = terme;
_selectedType = null;
});
if (terme.isNotEmpty) {
context.read<EvenementBloc>().add(
SearchEvenements(terme: terme, refresh: true),
);
} else {
context.read<EvenementBloc>().add(
const LoadEvenements(refresh: true),
);
}
}
void _onFilterByType(TypeEvenement? type) {
setState(() {
_selectedType = type;
_searchTerm = '';
});
if (type != null) {
context.read<EvenementBloc>().add(
FilterEvenementsByType(type: type, refresh: true),
);
} else {
context.read<EvenementBloc>().add(
const LoadEvenements(refresh: true),
);
}
}
void _onRefresh() {
switch (_tabController.index) {
case 0:
context.read<EvenementBloc>().add(
const LoadEvenementsAVenir(refresh: true),
);
break;
case 1:
context.read<EvenementBloc>().add(
const LoadEvenementsPublics(refresh: true),
);
break;
case 2:
if (_searchTerm.isNotEmpty) {
context.read<EvenementBloc>().add(
SearchEvenements(terme: _searchTerm, refresh: true),
);
} else if (_selectedType != null) {
context.read<EvenementBloc>().add(
FilterEvenementsByType(type: _selectedType!, refresh: true),
);
} else {
context.read<EvenementBloc>().add(
const LoadEvenements(refresh: true),
);
}
break;
}
}
void _navigateToDetail(EvenementModel evenement) {
Navigator.of(context).push(
PageTransitions.slideFromRight(
EvenementDetailPage(evenement: evenement),
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Événements'),
backgroundColor: Theme.of(context).primaryColor,
foregroundColor: Colors.white,
bottom: TabBar(
controller: _tabController,
tabs: const [
Tab(text: 'À venir', icon: Icon(Icons.upcoming)),
Tab(text: 'Publics', icon: Icon(Icons.public)),
Tab(text: 'Tous', icon: Icon(Icons.list)),
],
),
),
body: FadeTransition(
opacity: _tabFadeAnimation,
child: TabBarView(
controller: _tabController,
children: [
_buildEvenementsList(showSearch: false),
_buildEvenementsList(showSearch: false),
_buildEvenementsList(showSearch: true),
],
),
),
floatingActionButton: AnimatedBuilder(
animation: _listAnimationController,
builder: (context, child) {
return Transform.scale(
scale: 0.8 + (0.2 * _listAnimationController.value),
child: FloatingActionButton.extended(
onPressed: () async {
final result = await Navigator.of(context).push<bool>(
PageTransitions.slideFromBottom(
const EvenementCreatePage(),
),
);
// Si un événement a été créé, recharger la liste
if (result == true && context.mounted) {
context.read<EvenementBloc>().add(const LoadEvenementsAVenir());
}
},
icon: const Icon(Icons.add),
label: const Text('Nouvel événement'),
backgroundColor: Theme.of(context).primaryColor,
foregroundColor: Colors.white,
),
);
},
),
);
}
Widget _buildEvenementsList({required bool showSearch}) {
return Column(
children: [
if (showSearch) ...[
Padding(
padding: const EdgeInsets.all(16.0),
child: EvenementSearchBar(
onSearch: _onSearch,
initialValue: _searchTerm,
),
),
EvenementFilterChips(
selectedType: _selectedType,
onTypeSelected: _onFilterByType,
),
],
Expanded(
child: BlocConsumer<EvenementBloc, EvenementState>(
listener: (context, state) {
if (state is EvenementError) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(state.message),
backgroundColor: Colors.red,
),
);
}
},
builder: (context, state) {
if (state is EvenementLoading) {
return const Center(child: CircularProgressIndicator());
}
if (state is EvenementError && state.evenements == null) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.error_outline, size: 64, color: Colors.red),
const SizedBox(height: 16),
Text(state.message, textAlign: TextAlign.center),
const SizedBox(height: 16),
ElevatedButton(
onPressed: _onRefresh,
child: const Text('Réessayer'),
),
],
),
);
}
if (state is EvenementSearchEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(
Icons.search_off,
size: 64,
color: Colors.grey,
),
const SizedBox(height: 16),
Text(
'Aucun résultat pour "${state.searchTerm}"',
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 8),
const Text('Essayez avec d\'autres mots-clés'),
],
),
);
}
if (state is EvenementEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(
Icons.event_busy,
size: 64,
color: Colors.grey,
),
const SizedBox(height: 16),
Text(
state.message,
style: Theme.of(context).textTheme.titleMedium,
),
],
),
);
}
final evenements = state is EvenementLoaded
? state.evenements
: state is EvenementLoadingMore
? state.evenements
: state is EvenementError
? state.evenements ?? <EvenementModel>[]
: <EvenementModel>[];
final isLoadingMore = state is EvenementLoadingMore;
return AnimatedEvenementList(
evenements: evenements,
isLoading: isLoadingMore,
onEvenementTap: _navigateToDetail,
onRefresh: _onRefresh,
);
},
),
),
],
);
}
}