Phase C+D-1: Cars-Domain auf Rust-Backend umgestellt
Clean-Arch-Schichten für Cars: - lib/domain/entity/car.dart: UUID-id, accountId (Personalnummer), plate, active. Pendant zum Backend-Schema. - lib/domain/repository/cars_repository.dart: Port — listMine, create, update. Keine teamId/personalnummer-Parameter, der Account fließt serverseitig aus dem JWT. - lib/data/mapper/car_mapper.dart: API-DTO (built_value) → Domain. - lib/data/repository/cars_repository_impl.dart: konkrete Impl via generierter CarsApi (dio), mit DioException → CarsRepositoryException- Übersetzung. Feature-Cars-Refactoring: - CarsBloc nimmt jetzt die Domain-Repository-Schnittstelle. Events: CarLoad/CarAdd/CarEdit/CarDeactivate (statt CarDelete). Keine teamId-Parameter mehr. Kein authBloc-Bezug, Session-Expiry läuft über den globalen Provider-Stream. - CarsState sealed mit CarsInitial/Loading/LoadingFailed/Loaded. - Pages: car_management_page, car_management, car_card, car_fail_page, car_selection_page komplett auf die neue Entity und Event-Signaturen. - Alte lib/feature/cars/service/cars_service.dart und lib/feature/cars/repository/cars_repository.dart gelöscht. CarSelectBloc + Storage: - CarSelection.selectedCarId von int? auf String? umgestellt. - CarSelectionRepository persistiert die UUID jetzt als String; defensive Migration für noch vorhandene int-Werte (alte Pre-Migration-Installations) verwirft den Wert leise und erzwingt Neuauswahl. Konsequenz-Cleanup im Tour-Code (Phase-D-Vorbereitung): - Delivery.carId String? statt int?. - Tour.hasUndeliveredLoadedArticles / getFinishedDeliveries auf String carId. - _selectedCarId / int? carId / int selectedCarId in DeliveryOverview, LoadingCustomerPage/OverviewPage, Home, DeliverySelection/SortPage, DeliveryInfo/List, CustomSortDialog, SortableDeliveryList auf String umgestellt. - TourRepository ersetzt int.parse(carId)/int.tryParse-Zuweisungen direkt durch String. - lib/model/car.dart wird zum Re-Export der neuen Domain-Entity, damit Legacy-Imports während Phase-D-Übergang weiter compilieren. DI: - app.dart: CarsBloc bekommt CarsRepositoryImpl(locator<HolzleitnerApi>()) statt der alten CarsRepository(service: CarService()). Build (flutter build apk --debug) durch, flutter analyze ohne errors.
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23
lib/data/mapper/car_mapper.dart
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23
lib/data/mapper/car_mapper.dart
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import 'package:holzleitner_api/holzleitner_api.dart' as api;
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import 'package:hl_lieferservice/domain/entity/car.dart';
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/// Mapper zwischen dem generierten API-DTO `api.Car` (built_value)
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/// und der Domain-Entity [Car].
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///
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/// Nur Read-Mapper hier — Create/Update geht über die Request-DTOs
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/// `api.CreateCarRequest` / `api.UpdateCarRequest`, die die Repository-
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/// Impl direkt zusammenbaut.
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extension ApiCarMapper on api.Car {
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Car toDomain() => Car(
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id: id,
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accountId: accountId,
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plate: plate,
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active: active,
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);
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}
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/// Liste-Variante als Convenience.
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extension ApiCarIterableMapper on Iterable<api.Car> {
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List<Car> toDomainList() => map((c) => c.toDomain()).toList(growable: false);
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}
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96
lib/data/repository/cars_repository_impl.dart
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lib/data/repository/cars_repository_impl.dart
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import 'package:dio/dio.dart';
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import 'package:holzleitner_api/holzleitner_api.dart' as api;
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import 'package:hl_lieferservice/data/mapper/car_mapper.dart';
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import 'package:hl_lieferservice/domain/entity/car.dart';
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import 'package:hl_lieferservice/domain/repository/cars_repository.dart';
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/// Spricht den generierten Holzleitner-API-Client an und mappt die
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/// `built_value`-DTOs auf die Domain-Entity.
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///
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/// Fehler aus dem Backend werden in [CarsRepositoryException]
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/// übersetzt — der Bloc kennt die HTTP-Schicht nicht. 401 fliegt
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/// ungefangen durch und wird vom übergreifenden
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/// HolzleitnerAuthInterceptor-Pfad behandelt (Provider-Stream meldet
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/// `AuthSessionExpired` bei Refresh-Failure).
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class CarsRepositoryImpl implements CarsRepository {
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CarsRepositoryImpl(this._api);
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final api.HolzleitnerApi _api;
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@override
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Future<List<Car>> listMine({bool includeInactive = false}) async {
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try {
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final response = await _api.getCarsApi().listMyCars(
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includeInactive: includeInactive,
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);
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final cars = response.data?.cars;
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if (cars == null) return const [];
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return cars.toDomainList();
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} on DioException catch (e) {
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throw CarsRepositoryException(_describe(e, 'Laden der Fahrzeuge'), e);
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}
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}
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@override
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Future<Car> create({required String plate}) async {
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try {
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final request =
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api.CreateCarRequest((b) => b..plate = plate);
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final response =
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await _api.getCarsApi().createMyCar(createCarRequest: request);
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final car = response.data?.car;
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if (car == null) {
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throw const CarsRepositoryException(
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'Server lieferte leere Antwort beim Anlegen',
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);
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}
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return car.toDomain();
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} on DioException catch (e) {
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throw CarsRepositoryException(_describe(e, 'Anlegen eines Fahrzeugs'), e);
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}
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}
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@override
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Future<Car> update({
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required String carId,
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String? plate,
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bool? active,
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}) async {
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try {
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final request = api.UpdateCarRequest((b) {
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if (plate != null) b.plate = plate;
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if (active != null) b.active = active;
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});
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final response = await _api.getCarsApi().updateMyCar(
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carId: carId,
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updateCarRequest: request,
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);
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final car = response.data?.car;
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if (car == null) {
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throw const CarsRepositoryException(
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'Server lieferte leere Antwort beim Aktualisieren',
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);
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}
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return car.toDomain();
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} on DioException catch (e) {
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throw CarsRepositoryException(
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_describe(e, 'Aktualisieren eines Fahrzeugs'),
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e,
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);
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}
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}
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/// Übersetzt eine DioException in eine kompakte, UI-taugliche
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/// Begründung. Mehr Detail landet im Log, nicht in der Snackbar.
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String _describe(DioException e, String operation) {
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final status = e.response?.statusCode;
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final body = e.response?.data;
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if (status == 400 && body is Map && body['message'] != null) {
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return '$operation fehlgeschlagen: ${body['message']}';
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}
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if (status == 401) return 'Sitzung abgelaufen';
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if (status == 404) return 'Fahrzeug nicht gefunden';
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return '$operation fehlgeschlagen (HTTP ${status ?? 'unbekannt'})';
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}
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}
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