implemented RemoteConfigProvider

lib/application_wrapper.dart

@@ -44,10 +44,10 @@ class ApplicationWrapper extends StatelessWidget {
             hapticsService: const HapticsService(),
             lightSensorService: const LightSensorService(LocalPlatform()),
             permissionsService: const PermissionsService(),
-            remoteConfigService: const RemoteConfigService(),
             userPreferencesService: userPreferencesService,
             volumeEventsService: const VolumeEventsService(LocalPlatform()),
-            child: RemoteConfig(
+            child: RemoteConfigProvider(
+              remoteConfigService: const RemoteConfigService(),
               child: EquipmentProfileProvider(
                 storageService: iapService,
                 child: FilmsProvider(

lib/data/remote_config_service.dart

@@ -34,9 +34,48 @@ class RemoteConfigService {
     }
   }
 
+  dynamic getValue(Feature feature) => FirebaseRemoteConfig.instance.getValue(feature.name).toValue(feature);
+
+  Map<Feature, dynamic> getAll() {
+    final Map<Feature, dynamic> result = {};
+    for (final value in FirebaseRemoteConfig.instance.getAll().entries) {
+      try {
+        final feature = Feature.values.firstWhere((f) => f.name == value.key);
+        result[feature] = MapEntry(feature, value.value.toValue(feature));
+      } catch (e) {
+        log(e.toString());
+      }
+    }
+    return result;
+  }
+
+  Stream<Set<Feature>> onConfigUpdated() => FirebaseRemoteConfig.instance.onConfigUpdated.asyncMap(
+        (event) async {
+          await FirebaseRemoteConfig.instance.activate();
+          final Set<Feature> updatedFeatures = {};
+          for (final key in event.updatedKeys) {
+            try {
+              updatedFeatures.add(Feature.values.firstWhere((element) => element.name == key));
+            } catch (e) {
+              log(e.toString());
+            }
+          }
+          return updatedFeatures;
+        },
+      );
+
   bool isEnabled(Feature feature) => FirebaseRemoteConfig.instance.getBool(feature.name);
 
   void _logError(dynamic throwable, {StackTrace? stackTrace}) {
     FirebaseCrashlytics.instance.recordError(throwable, stackTrace);
   }
 }
+
+extension on RemoteConfigValue {
+  dynamic toValue(Feature feature) {
+    switch (feature) {
+      case Feature.unlockProFeaturesText:
+        return asBool();
+    }
+  }
+}

lib/providers/remote_config_provider.dart

@@ -1,17 +1,78 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:lightmeter/data/models/feature.dart';
-import 'package:lightmeter/providers/services_provider.dart';
+import 'package:lightmeter/data/remote_config_service.dart';
 
-class RemoteConfig extends InheritedWidget {
+class RemoteConfigProvider extends StatefulWidget {
-  const RemoteConfig({
+  final RemoteConfigService remoteConfigService;
+  final Widget child;
+
+  const RemoteConfigProvider({
+    required this.remoteConfigService,
+    required this.child,
     super.key,
-    required super.child,
   });
 
+  @override
+  State<RemoteConfigProvider> createState() => RemoteConfigProviderState();
+}
+
+class RemoteConfigProviderState extends State<RemoteConfigProvider> {
+  late final Map<Feature, dynamic> _config = widget.remoteConfigService.getAll();
+  late final StreamSubscription<Set<Feature>> _updatesSubscription;
+
+  @override
+  void initState() {
+    super.initState();
+    _updatesSubscription = widget.remoteConfigService.onConfigUpdated().listen(_updateFeatures);
+  }
+
+  @override
+  void dispose() {
+    _updatesSubscription.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RemoteConfig(
+      config: _config,
+      child: widget.child,
+    );
+  }
+
+  void _updateFeatures(Set<Feature> updatedFeatures) {
+    for (final feature in updatedFeatures) {
+      _config[feature] = widget.remoteConfigService.getValue(feature);
+    }
+    setState(() {});
+  }
+}
+
+class RemoteConfig extends InheritedModel<Feature> {
+  final Map<Feature, dynamic> _config;
+
+  const RemoteConfig({
+    super.key,
+    required Map<Feature, dynamic> config,
+    required super.child,
+  }) : _config = config;
+
   static bool isEnabled(BuildContext context, Feature feature) {
-    return ServicesProvider.of(context).remoteConfigService.isEnabled(feature);
+    return InheritedModel.inheritFrom<RemoteConfig>(context)!._config[feature] as bool;
   }
 
   @override
   bool updateShouldNotify(RemoteConfig oldWidget) => true;
+
+  @override
+  bool updateShouldNotifyDependent(RemoteConfig oldWidget, Set<Feature> features) {
+    for (final feature in features) {
+      if (oldWidget._config[feature] != _config[feature]) {
+        return true;
+      }
+    }
+    return false;
+  }
 }

lib/providers/services_provider.dart

@@ -4,7 +4,6 @@ import 'package:lightmeter/data/caffeine_service.dart';
 import 'package:lightmeter/data/haptics_service.dart';
 import 'package:lightmeter/data/light_sensor_service.dart';
 import 'package:lightmeter/data/permissions_service.dart';
-import 'package:lightmeter/data/remote_config_service.dart';
 import 'package:lightmeter/data/shared_prefs_service.dart';
 import 'package:lightmeter/data/volume_events_service.dart';
 import 'package:lightmeter/environment.dart';
@@ -17,7 +16,6 @@ class ServicesProvider extends InheritedWidget {
   final HapticsService hapticsService;
   final LightSensorService lightSensorService;
   final PermissionsService permissionsService;
-  final RemoteConfigService remoteConfigService;
   final UserPreferencesService userPreferencesService;
   final VolumeEventsService volumeEventsService;
 
@@ -28,7 +26,6 @@ class ServicesProvider extends InheritedWidget {
     required this.hapticsService,
     required this.lightSensorService,
     required this.permissionsService,
-    required this.remoteConfigService,
     required this.userPreferencesService,
     required this.volumeEventsService,
     required super.child,

test/providers/remote_config_provider_test.dart

@@ -0,0 +1,104 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lightmeter/data/models/feature.dart';
+import 'package:lightmeter/data/remote_config_service.dart';
+import 'package:lightmeter/providers/remote_config_provider.dart';
+import 'package:mocktail/mocktail.dart';
+
+class _MockRemoteConfigService extends Mock implements RemoteConfigService {}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  late _MockRemoteConfigService mockRemoteConfigService;
+
+  setUpAll(() {
+    mockRemoteConfigService = _MockRemoteConfigService();
+  });
+
+  setUp(() {
+    when(() => mockRemoteConfigService.getValue(Feature.unlockProFeaturesText)).thenReturn(false);
+    when(() => mockRemoteConfigService.getAll()).thenReturn({Feature.unlockProFeaturesText: false});
+  });
+
+  tearDown(() {
+    reset(mockRemoteConfigService);
+  });
+
+  Future<void> pumpTestWidget(WidgetTester tester) async {
+    await tester.pumpWidget(
+      RemoteConfigProvider(
+        remoteConfigService: mockRemoteConfigService,
+        child: const _Application(),
+      ),
+    );
+  }
+
+  testWidgets(
+    'RemoteConfigProvider init',
+    (tester) async {
+      when(() => mockRemoteConfigService.onConfigUpdated()).thenAnswer((_) => const Stream.empty());
+
+      await pumpTestWidget(tester);
+      expect(find.text('unlockProFeaturesText: false'), findsOneWidget);
+    },
+  );
+
+  testWidgets(
+    'RemoteConfigProvider updates stream',
+    (tester) async {
+      final StreamController<Set<Feature>> remoteConfigUpdateController = StreamController<Set<Feature>>();
+      when(() => mockRemoteConfigService.onConfigUpdated()).thenAnswer((_) => remoteConfigUpdateController.stream);
+
+      await pumpTestWidget(tester);
+      expect(find.text('unlockProFeaturesText: false'), findsOneWidget);
+
+      when(() => mockRemoteConfigService.getValue(Feature.unlockProFeaturesText)).thenReturn(true);
+      remoteConfigUpdateController.add({Feature.unlockProFeaturesText});
+      await tester.pumpAndSettle();
+      expect(find.text('unlockProFeaturesText: true'), findsOneWidget);
+
+      await remoteConfigUpdateController.close();
+    },
+  );
+
+  test('RemoteConfig.updateShouldNotifyDependent', () {
+    const config = RemoteConfig(config: {Feature.unlockProFeaturesText: false}, child: SizedBox());
+    expect(
+      config.updateShouldNotifyDependent(config, {}),
+      false,
+    );
+    expect(
+      config.updateShouldNotifyDependent(
+        const RemoteConfig(config: {Feature.unlockProFeaturesText: false}, child: SizedBox()),
+        {Feature.unlockProFeaturesText},
+      ),
+      false,
+    );
+    expect(
+      config.updateShouldNotifyDependent(
+        const RemoteConfig(config: {Feature.unlockProFeaturesText: true}, child: SizedBox()),
+        {Feature.unlockProFeaturesText},
+      ),
+      true,
+    );
+  });
+}
+
+class _Application extends StatelessWidget {
+  const _Application();
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        body: Center(
+          child: Text(
+            "${Feature.unlockProFeaturesText.name}: ${RemoteConfig.isEnabled(context, Feature.unlockProFeaturesText)}",
+          ),
+        ),
+      ),
+    );
+  }
+}