feat: updated container management system with core models, providers, and UI pages

em2rp/lib/models/maintenance_model.dart

@@ -60,29 +60,44 @@ class MaintenanceModel {
   });
 
   factory MaintenanceModel.fromMap(Map<String, dynamic> map, String id) {
-    // Fonction helper pour convertir Timestamp ou String ISO en DateTime
+    // Fonction helper pour convertir de manière sécurisée en double
+    double? parseDouble(dynamic value) {
+      if (value == null) return null;
+      if (value is num) return value.toDouble();
+      if (value is String) return double.tryParse(value);
+      return null;
+    }
+
+    // Fonction helper pour convertir Timestamp ou String ISO ou int epoch en DateTime
     DateTime? parseDate(dynamic value) {
       if (value == null) return null;
       if (value is Timestamp) return value.toDate();
       if (value is String) return DateTime.tryParse(value);
+      if (value is int) return DateTime.fromMillisecondsSinceEpoch(value);
       return null;
     }
 
     // Gestion de la liste des équipements
-    final List<dynamic> equipmentIdsRaw = map['equipmentIds'] ?? [];
-    final List<String> equipmentIds = equipmentIdsRaw.map((e) => e.toString()).toList();
+    final List<String> equipmentIds = [];
+    if (map['equipmentIds'] is List) {
+      for (final e in map['equipmentIds'] as List) {
+        if (e != null) {
+          equipmentIds.add(e.toString());
+        }
+      }
+    }
 
     return MaintenanceModel(
       id: id,
       equipmentIds: equipmentIds,
-      type: maintenanceTypeFromString(map['type']),
+      type: maintenanceTypeFromString(map['type']?.toString()),
       scheduledDate: parseDate(map['scheduledDate']) ?? DateTime.now(),
       completedDate: parseDate(map['completedDate']),
-      name: map['name'] ?? '',
-      description: map['description'] ?? '',
-      performedBy: map['performedBy'],
-      cost: map['cost']?.toDouble(),
-      notes: map['notes'],
+      name: (map['name'] ?? '').toString(),
+      description: (map['description'] ?? '').toString(),
+      performedBy: map['performedBy']?.toString(),
+      cost: parseDouble(map['cost']),
+      notes: map['notes']?.toString(),
       createdAt: parseDate(map['createdAt']) ?? DateTime.now(),
       updatedAt: parseDate(map['updatedAt']) ?? DateTime.now(),
     );