Compass app (#2446)

2025-11-10 14:58:34 +00:00 · 2024-09-27 18:49:27 -04:00
parent fcf2552cda
commit 46b5a26b26
326 changed files with 53272 additions and 0 deletions
--- a/compass_app/app/lib/ui/booking/view_models/booking_viewmodel.dart
+++ b/compass_app/app/lib/ui/booking/view_models/booking_viewmodel.dart
@@ -0,0 +1,89 @@
+// Copyright 2024 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/foundation.dart';
+import 'package:logging/logging.dart';
+
+import '../../../data/repositories/booking/booking_repository.dart';
+import '../../../data/repositories/itinerary_config/itinerary_config_repository.dart';
+import '../../../domain/models/booking/booking.dart';
+import '../../../domain/models/itinerary_config/itinerary_config.dart';
+import '../../../utils/command.dart';
+import '../../../utils/result.dart';
+import '../../../domain/use_cases/booking/booking_create_use_case.dart';
+import '../../../domain/use_cases/booking/booking_share_use_case.dart';
+
+class BookingViewModel extends ChangeNotifier {
+  BookingViewModel({
+    required BookingCreateUseCase createBookingUseCase,
+    required BookingShareUseCase shareBookingUseCase,
+    required ItineraryConfigRepository itineraryConfigRepository,
+    required BookingRepository bookingRepository,
+  })  : _createUseCase = createBookingUseCase,
+        _shareUseCase = shareBookingUseCase,
+        _itineraryConfigRepository = itineraryConfigRepository,
+        _bookingRepository = bookingRepository {
+    createBooking = Command0(_createBooking);
+    shareBooking = Command0(() => _shareUseCase.shareBooking(_booking!));
+    loadBooking = Command1(_load);
+  }
+
+  final BookingCreateUseCase _createUseCase;
+  final BookingShareUseCase _shareUseCase;
+  final ItineraryConfigRepository _itineraryConfigRepository;
+  final BookingRepository _bookingRepository;
+  final _log = Logger('BookingViewModel');
+  Booking? _booking;
+
+  Booking? get booking => _booking;
+
+  /// Creates a booking from the ItineraryConfig
+  /// and saves it to the user bookins
+  late final Command0 createBooking;
+
+  /// Loads booking by id
+  late final Command1<void, int> loadBooking;
+
+  /// Share the current booking using the OS share dialog.
+  late final Command0 shareBooking;
+
+  Future<Result<void>> _createBooking() async {
+    _log.fine('Loading booking');
+    final itineraryConfig =
+        await _itineraryConfigRepository.getItineraryConfig();
+    switch (itineraryConfig) {
+      case Ok<ItineraryConfig>():
+        _log.fine('Loaded stored ItineraryConfig');
+        final result = await _createUseCase.createFrom(itineraryConfig.value);
+        switch (result) {
+          case Ok<Booking>():
+            _log.fine('Created Booking');
+            _booking = result.value;
+            notifyListeners();
+            return Result.ok(null);
+          case Error<Booking>():
+            _log.warning('Booking error: ${result.error}');
+            notifyListeners();
+            return Result.error(result.asError.error);
+        }
+      case Error<ItineraryConfig>():
+        _log.warning('ItineraryConfig error: ${itineraryConfig.error}');
+        notifyListeners();
+        return Result.error(itineraryConfig.error);
+    }
+  }
+
+  Future<Result<void>> _load(int id) async {
+    final result = await _bookingRepository.getBooking(id);
+    switch (result) {
+      case Ok<Booking>():
+        _log.fine('Loaded booking $id');
+        _booking = result.value;
+        notifyListeners();
+      case Error<Booking>():
+        _log.warning('Failed to load booking $id');
+    }
+    return result;
+  }
+}