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EM2_ERP/em2rp/lib/views/maintenance_management_page.dart

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Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:em2rp/models/maintenance_model.dart';
import 'package:em2rp/providers/maintenance_provider.dart';
import 'package:em2rp/providers/equipment_provider.dart';
import 'package:em2rp/views/maintenance_form_page.dart';
import 'package:em2rp/views/widgets/nav/custom_app_bar.dart';
import 'package:em2rp/views/widgets/nav/main_drawer.dart';
import 'package:em2rp/utils/permission_gate.dart';
import 'package:intl/intl.dart';
import 'package:em2rp/utils/colors.dart';
/// Page de gestion des maintenances
class MaintenanceManagementPage extends StatefulWidget {
const MaintenanceManagementPage({super.key});
@override
State<MaintenanceManagementPage> createState() => _MaintenanceManagementPageState();
}
class _MaintenanceManagementPageState extends State<MaintenanceManagementPage> {
String _filterType = 'all'; // all, upcoming, overdue, completed
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback((_) {
_loadMaintenances();
});
}
Future<void> _loadMaintenances() async {
final maintenanceProvider = context.read<MaintenanceProvider>();
final equipmentProvider = context.read<EquipmentProvider>();
await Future.wait([
maintenanceProvider.loadMaintenances(),
equipmentProvider.ensureLoaded(),
]);
}
List<MaintenanceModel> _getFilteredMaintenances(List<MaintenanceModel> maintenances) {
switch (_filterType) {
case 'upcoming':
return maintenances.where((m) => !m.isCompleted && !m.isOverdue).toList();
case 'overdue':
return maintenances.where((m) => m.isOverdue).toList();
case 'completed':
return maintenances.where((m) => m.isCompleted).toList();
default:
return maintenances;
}
}
@override
Widget build(BuildContext context) {
return PermissionGate(
requiredPermissions: const ['manage_maintenances'],
fallback: Scaffold(
appBar: const CustomAppBar(title: 'Accès refusé'),
drawer: const MainDrawer(currentPage: '/maintenance_management'),
body: const Center(
child: Padding(
padding: EdgeInsets.all(24.0),
child: Text(
'Vous n\'avez pas les permissions nécessaires pour accéder à la gestion des maintenances.',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 16),
),
),
),
),
child: Scaffold(
appBar: const CustomAppBar(
title: 'Gestion des maintenances',
),
drawer: const MainDrawer(currentPage: '/maintenance_management'),
body: Consumer<MaintenanceProvider>(
builder: (context, maintenanceProvider, _) {
if (maintenanceProvider.isLoading) {
return const Center(child: CircularProgressIndicator());
}
final filteredMaintenances = _getFilteredMaintenances(
maintenanceProvider.maintenances,
);
return Column(
children: [
// Filtres
_buildFilterChips(),
// Statistiques
_buildStatsCards(maintenanceProvider),
// Liste des maintenances
Expanded(
child: filteredMaintenances.isEmpty
? _buildEmptyState()
: _buildMaintenanceList(filteredMaintenances),
),
],
);
},
),
floatingActionButton: FloatingActionButton.extended(
onPressed: () => _navigateToForm(null),
backgroundColor: AppColors.bleuFonce,
icon: const Icon(Icons.add),
label: const Text('Nouvelle maintenance'),
),
),
);
}
Widget _buildFilterChips() {
return Container(
padding: const EdgeInsets.all(16),
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: [
_buildFilterChip('Toutes', 'all'),
const SizedBox(width: 8),
_buildFilterChip('À venir', 'upcoming'),
const SizedBox(width: 8),
_buildFilterChip('En retard', 'overdue'),
const SizedBox(width: 8),
_buildFilterChip('Complétées', 'completed'),
],
),
),
);
}
Widget _buildFilterChip(String label, String filterValue) {
final isSelected = _filterType == filterValue;
return FilterChip(
label: Text(label),
selected: isSelected,
onSelected: (selected) {
setState(() {
_filterType = filterValue;
});
},
selectedColor: AppColors.bleuFonce.withValues(alpha: 0.2),
checkmarkColor: AppColors.bleuFonce,
);
}
Widget _buildStatsCards(MaintenanceProvider provider) {
final upcoming = provider.maintenances.where((m) => !m.isCompleted && !m.isOverdue).length;
final overdue = provider.maintenances.where((m) => m.isOverdue).length;
final completed = provider.maintenances.where((m) => m.isCompleted).length;
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Row(
children: [
Expanded(
child: _buildStatCard(
'À venir',
upcoming.toString(),
Icons.schedule,
Colors.blue,
),
),
const SizedBox(width: 8),
Expanded(
child: _buildStatCard(
'En retard',
overdue.toString(),
Icons.warning,
Colors.orange,
),
),
const SizedBox(width: 8),
Expanded(
child: _buildStatCard(
'Complétées',
completed.toString(),
Icons.check_circle,
Colors.green,
),
),
],
),
);
}
Widget _buildStatCard(String label, String value, IconData icon, Color color) {
return Card(
child: Padding(
padding: const EdgeInsets.all(12),
child: Column(
children: [
Icon(icon, color: color, size: 28),
const SizedBox(height: 4),
Text(
value,
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: color,
),
),
Text(
label,
style: const TextStyle(fontSize: 12),
textAlign: TextAlign.center,
),
],
),
),
);
}
Widget _buildEmptyState() {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.build_outlined, size: 64, color: Colors.grey[400]),
const SizedBox(height: 16),
Text(
'Aucune maintenance',
style: TextStyle(fontSize: 18, color: Colors.grey[600]),
),
const SizedBox(height: 8),
Text(
'Créez votre première maintenance',
style: TextStyle(color: Colors.grey[500]),
),
],
),
);
}
Widget _buildMaintenanceList(List<MaintenanceModel> maintenances) {
// Trier par date (les plus récentes/urgentes en premier)
final sortedMaintenances = List<MaintenanceModel>.from(maintenances)
..sort((a, b) {
if (a.isCompleted && !b.isCompleted) return 1;
if (!a.isCompleted && b.isCompleted) return -1;
return a.scheduledDate.compareTo(b.scheduledDate);
});
return ListView.builder(
padding: const EdgeInsets.all(16),
itemCount: sortedMaintenances.length,
itemBuilder: (context, index) {
return _buildMaintenanceCard(sortedMaintenances[index]);
},
);
}
Widget _buildMaintenanceCard(MaintenanceModel maintenance) {
final equipmentProvider = context.read<EquipmentProvider>();
final equipmentNames = maintenance.equipmentIds
.map((id) => equipmentProvider.allEquipment
.cast<dynamic>()
.firstWhere((e) => e.id == id, orElse: () => null)
?.name ?? 'Inconnu')
.toList();
final typeInfo = _getMaintenanceTypeInfo(maintenance.type);
final statusInfo = _getStatusInfo(maintenance);
return Card(
margin: const EdgeInsets.only(bottom: 12),
child: InkWell(
onTap: () => _navigateToForm(maintenance),
borderRadius: BorderRadius.circular(4),
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// En-tête
Row(
children: [
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: typeInfo.$3.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(4),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(typeInfo.$2, size: 16, color: typeInfo.$3),
const SizedBox(width: 4),
Text(
typeInfo.$1,
style: TextStyle(
color: typeInfo.$3,
fontWeight: FontWeight.bold,
fontSize: 12,
),
),
],
),
),
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: statusInfo.$2.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(4),
),
child: Text(
statusInfo.$1,
style: TextStyle(
color: statusInfo.$2,
fontWeight: FontWeight.bold,
fontSize: 12,
),
),
),
const Spacer(),
IconButton(
icon: const Icon(Icons.more_vert),
onPressed: () => _showMaintenanceMenu(maintenance),
),
],
),
const SizedBox(height: 12),
// Nom
Text(
maintenance.name,
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 8),
// Description
if (maintenance.description.isNotEmpty)
Text(
maintenance.description,
style: TextStyle(color: Colors.grey[700]),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 12),
// Équipements
Wrap(
spacing: 4,
runSpacing: 4,
children: equipmentNames.map((name) {
return Chip(
label: Text(name, style: const TextStyle(fontSize: 12)),
backgroundColor: Colors.grey[200],
padding: EdgeInsets.zero,
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
);
}).toList(),
),
const SizedBox(height: 12),
// Dates
Row(
children: [
Icon(Icons.event, size: 16, color: Colors.grey[600]),
const SizedBox(width: 4),
Text(
maintenance.isCompleted
? 'Complétée le ${DateFormat('dd/MM/yyyy').format(maintenance.completedDate!)}'
: 'Planifiée le ${DateFormat('dd/MM/yyyy').format(maintenance.scheduledDate)}',
style: TextStyle(fontSize: 14, color: Colors.grey[700]),
),
],
),
// Coût
if (maintenance.cost != null) ...[
const SizedBox(height: 8),
Row(
children: [
Icon(Icons.euro, size: 16, color: Colors.grey[600]),
const SizedBox(width: 4),
Text(
'${maintenance.cost!.toStringAsFixed(2)}',
style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w500),
),
],
),
],
],
),
),
),
);
}
(String, IconData, Color) _getMaintenanceTypeInfo(MaintenanceType type) {
switch (type) {
case MaintenanceType.preventive:
return ('Préventive', Icons.schedule, Colors.blue);
case MaintenanceType.corrective:
return ('Corrective', Icons.build, Colors.orange);
case MaintenanceType.inspection:
return ('Inspection', Icons.search, Colors.purple);
}
}
(String, Color) _getStatusInfo(MaintenanceModel maintenance) {
if (maintenance.isCompleted) {
return ('Complétée', Colors.green);
} else if (maintenance.isOverdue) {
return ('En retard', Colors.red);
} else {
return ('À venir', Colors.blue);
}
}
void _showMaintenanceMenu(MaintenanceModel maintenance) {
showModalBottomSheet(
context: context,
builder: (context) {
return SafeArea(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
if (!maintenance.isCompleted)
ListTile(
leading: const Icon(Icons.check_circle, color: Colors.green),
title: const Text('Marquer comme complétée'),
onTap: () {
Navigator.pop(context);
_completeMaintenance(maintenance);
},
),
ListTile(
leading: const Icon(Icons.edit, color: AppColors.bleuFonce),
title: const Text('Modifier'),
onTap: () {
Navigator.pop(context);
_navigateToForm(maintenance);
},
),
ListTile(
leading: const Icon(Icons.delete, color: Colors.red),
title: const Text('Supprimer'),
onTap: () {
Navigator.pop(context);
_deleteMaintenance(maintenance);
},
),
],
),
);
},
);
}
Future<void> _completeMaintenance(MaintenanceModel maintenance) async {
final result = await showDialog<Map<String, dynamic>>(
context: context,
builder: (context) => _CompleteMaintenanceDialog(maintenance: maintenance),
);
if (result != null && mounted) {
try {
await context.read<MaintenanceProvider>().completeMaintenance(
maintenance.id,
performedBy: result['performedBy'],
cost: result['cost'],
);
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Maintenance marquée comme complétée'),
backgroundColor: Colors.green,
),
);
_loadMaintenances();
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erreur: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
}
Future<void> _deleteMaintenance(MaintenanceModel maintenance) async {
final confirm = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Supprimer la maintenance'),
content: Text('Êtes-vous sûr de vouloir supprimer "${maintenance.name}" ?'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, false),
child: const Text('Annuler'),
),
ElevatedButton(
onPressed: () => Navigator.pop(context, true),
style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
child: const Text('Supprimer'),
),
],
),
);
if (confirm == true && mounted) {
try {
await context.read<MaintenanceProvider>().deleteMaintenance(maintenance.id);
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Maintenance supprimée'),
backgroundColor: Colors.green,
),
);
_loadMaintenances();
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erreur: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
}
Future<void> _navigateToForm(MaintenanceModel? maintenance) async {
final result = await Navigator.push<bool>(
context,
MaterialPageRoute(
builder: (context) => MaintenanceFormPage(maintenance: maintenance),
),
);
if (result == true && mounted) {
_loadMaintenances();
}
}
}
/// Dialog pour compléter une maintenance
class _CompleteMaintenanceDialog extends StatefulWidget {
final MaintenanceModel maintenance;
const _CompleteMaintenanceDialog({required this.maintenance});
@override
State<_CompleteMaintenanceDialog> createState() => _CompleteMaintenanceDialogState();
}
class _CompleteMaintenanceDialogState extends State<_CompleteMaintenanceDialog> {
final _costController = TextEditingController();
final _notesController = TextEditingController();
@override
void dispose() {
_costController.dispose();
_notesController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return AlertDialog(
title: const Text('Compléter la maintenance'),
content: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
TextField(
controller: _costController,
decoration: const InputDecoration(
labelText: 'Coût (€)',
hintText: 'Ex: 150.00',
prefixIcon: Icon(Icons.euro),
),
keyboardType: TextInputType.number,
),
const SizedBox(height: 16),
TextField(
controller: _notesController,
decoration: const InputDecoration(
labelText: 'Notes (optionnel)',
hintText: 'Commentaires sur l\'intervention',
prefixIcon: Icon(Icons.notes),
),
maxLines: 3,
),
],
),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('Annuler'),
),
ElevatedButton(
onPressed: () {
final cost = double.tryParse(_costController.text);
Navigator.pop(context, {
'cost': cost,
'notes': _notesController.text.trim(),
});
},
style: ElevatedButton.styleFrom(backgroundColor: Colors.green),
child: const Text('Valider'),
),
],
);
}
}