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EM2_ERP/em2rp/lib/providers/alert_provider.dart
T

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Dart

import 'package:flutter/foundation.dart';
import 'package:em2rp/models/alert_model.dart';
import 'package:em2rp/services/api_service.dart';
class AlertProvider extends ChangeNotifier {
final ApiService _apiService = apiService;
List<AlertModel> _alerts = [];
bool _isLoading = false;
// Getters
List<AlertModel> get alerts => _alerts;
bool get isLoading => _isLoading;
/// Nombre d'alertes non lues
int get unreadCount => _alerts.where((alert) => !alert.isRead).length;
/// Alertes non lues uniquement
List<AlertModel> get unreadAlerts => _alerts.where((alert) => !alert.isRead).toList();
/// Alertes de stock critique
List<AlertModel> get lowStockAlerts => _alerts.where((alert) => alert.type == AlertType.lowStock).toList();
/// Alertes de maintenance
List<AlertModel> get maintenanceAlerts => _alerts.where((alert) => alert.type == AlertType.maintenanceDue).toList();
/// Alertes de conflit
List<AlertModel> get conflictAlerts => _alerts.where((alert) => alert.type == AlertType.conflict).toList();
/// Charger toutes les alertes via Cloud Function
Future<void> loadAlerts() async {
_isLoading = true;
notifyListeners();
try {
final result = await _apiService.call('getAlerts', {});
final alertsData = result['alerts'] as List<dynamic>;
_alerts = alertsData.map((data) {
return AlertModel.fromMap(data as Map<String, dynamic>, data['id'] as String);
}).toList();
} catch (e) {
if (kDebugMode) debugPrint('Error loading alerts: $e');
_alerts = [];
} finally {
_isLoading = false;
notifyListeners();
}
}
/// Marquer une alerte comme lue via Cloud Function
Future<void> markAsRead(String alertId) async {
try {
await _apiService.call('markAlertAsRead', {'alertId': alertId});
// Mettre à jour localement
final index = _alerts.indexWhere((a) => a.id == alertId);
if (index != -1) {
_alerts[index] = AlertModel(
id: _alerts[index].id,
type: _alerts[index].type,
message: _alerts[index].message,
equipmentId: _alerts[index].equipmentId,
isRead: true,
createdAt: _alerts[index].createdAt,
);
notifyListeners();
}
} catch (e) {
if (kDebugMode) debugPrint('Error marking alert as read: $e');
rethrow;
}
}
/// Supprimer une alerte via Cloud Function
Future<void> deleteAlert(String alertId) async {
try {
await _apiService.call('deleteAlert', {'alertId': alertId});
// Supprimer localement
_alerts.removeWhere((a) => a.id == alertId);
notifyListeners();
} catch (e) {
if (kDebugMode) debugPrint('Error deleting alert: $e');
rethrow;
}
}
/// Marquer toutes les alertes comme lues
Future<void> markAllAsRead() async {
try {
final unreadAlertIds = _alerts.where((a) => !a.isRead).map((a) => a.id).toList();
for (final alertId in unreadAlertIds) {
await markAsRead(alertId);
}
} catch (e) {
if (kDebugMode) debugPrint('Error marking all alerts as read: $e');
rethrow;
}
}
/// Supprimer toutes les alertes lues via Cloud Function
Future<void> deleteReadAlerts() async {
try {
final readAlertIds = _alerts.where((a) => a.isRead).map((a) => a.id).toList();
for (final alertId in readAlertIds) {
await deleteAlert(alertId);
}
} catch (e) {
if (kDebugMode) debugPrint('Error deleting read alerts: $e');
rethrow;
}
}
}