snapshot of https://github.com/flutter/samples.git (main, 2026-09-16; blobs > 131072B omitted)

compass_app/app/lib/data/repositories/activity/activity_repository.dart

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+// 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 '../../../domain/models/activity/activity.dart';
+import '../../../utils/result.dart';
+
+/// Data source for activities.
+abstract class ActivityRepository {
+  /// Get activities by [Destination] ref.
+  Future<Result<List<Activity>>> getByDestination(String ref);
+}

compass_app/app/lib/data/repositories/activity/activity_repository_local.dart

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+// 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 '../../../domain/models/activity/activity.dart';
+import '../../../utils/result.dart';
+import '../../services/local/local_data_service.dart';
+import 'activity_repository.dart';
+
+/// Local implementation of ActivityRepository
+/// Uses data from assets folder
+class ActivityRepositoryLocal implements ActivityRepository {
+  ActivityRepositoryLocal({required LocalDataService localDataService})
+    : _localDataService = localDataService;
+
+  final LocalDataService _localDataService;
+
+  @override
+  Future<Result<List<Activity>>> getByDestination(String ref) async {
+    try {
+      final activities = (await _localDataService.getActivities())
+          .where((activity) => activity.destinationRef == ref)
+          .toList();
+
+      return Result.ok(activities);
+    } on Exception catch (error) {
+      return Result.error(error);
+    }
+  }
+}

compass_app/app/lib/data/repositories/activity/activity_repository_remote.dart

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+// 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 '../../../domain/models/activity/activity.dart';
+import '../../../utils/result.dart';
+import '../../services/api/api_client.dart';
+import 'activity_repository.dart';
+
+/// Remote data source for [Activity].
+/// Implements basic local caching.
+/// See: https://docs.flutter.dev/get-started/fwe/local-caching
+class ActivityRepositoryRemote implements ActivityRepository {
+  ActivityRepositoryRemote({required ApiClient apiClient})
+    : _apiClient = apiClient;
+
+  final ApiClient _apiClient;
+
+  final Map<String, List<Activity>> _cachedData = {};
+
+  @override
+  Future<Result<List<Activity>>> getByDestination(String ref) async {
+    if (!_cachedData.containsKey(ref)) {
+      // No cached data, request activities
+      final result = await _apiClient.getActivityByDestination(ref);
+      if (result is Ok<List<Activity>>) {
+        _cachedData[ref] = result.value;
+      }
+      return result;
+    } else {
+      // Return cached data if available
+      return Result.ok(_cachedData[ref]!);
+    }
+  }
+}