BIG FAT

lib/feature/car_selection/repository/car_selection_repository.dart

@@ -0,0 +1,34 @@
+import 'package:hl_lieferservice/feature/cars/model/selection.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class CarSelectionRepository {
+  static const _keyDate = 'car_selection_date';
+  static const _keyCarId = 'car_selection_car_id';
+  static const _keyCarPlate = 'car_selection_car_plate';
+
+  /// Returns the stored [CarSelection], or null if nothing has been saved yet.
+  Future<CarSelection?> getSelection() async {
+    final prefs = await SharedPreferences.getInstance();
+
+    final dateString = prefs.getString(_keyDate);
+    final carId = prefs.getInt(_keyCarId);
+    final plate = prefs.getString(_keyCarPlate);
+
+    if (dateString == null || carId == null || plate == null) return null;
+
+    return CarSelection(
+      date: DateTime.parse(dateString),
+      selectedCarId: carId,
+      selectedCarPlate: plate,
+    );
+  }
+
+  /// Persists the given [selection] locally on this device.
+  Future<void> saveSelection(CarSelection selection) async {
+    final prefs = await SharedPreferences.getInstance();
+
+    await prefs.setString(_keyDate, selection.date.toIso8601String());
+    await prefs.setInt(_keyCarId, selection.selectedCarId!);
+    await prefs.setString(_keyCarPlate, selection.selectedCarPlate!);
+  }
+}