Hide incomplete functions by feature flags

CHANGELOG.md

@@ -0,0 +1,22 @@
+CHANGELOG
+=========
+
+➕ New function
+🛠 Enhancement changes
+🐞 Bug fixing
+
+## Upcoming version ##
+
+**TODO**
+
+## 1.2.0 (2022-xx-xx) ##
+
+**TODO**
+
+## 1.1.0 (2022-xx-xx) ##
+
+**TODO**
+
+## 1.0.0 (2022-xx-xx) ##
+
+**TODO**

lib/app/cubit/app_cubit.dart

@@ -15,6 +15,10 @@ class AppCubit extends Cubit<AppState> {
     emit(AppState.loading());
 
     getThemeUseCase.invoke().listen((theme) {
+      if (isClosed) {
+        return;
+      }
+
       emit(AppState.success(theme));
     }).onError((error) => emit(AppState.failure(error)));
   }

lib/main.dart

@@ -6,6 +6,8 @@ import 'package:flutter/services.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:geolocator/geolocator.dart';
 import 'package:map/generic/generic_map.dart';
+import 'package:settings/developer/model/developer_settings_model.dart';
+import 'package:settings/developer/repository/developer_settings_repository.dart';
 import 'package:settings/settings/settings_page.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:station/repository/station_repository.dart';
@@ -79,6 +81,8 @@ class MyHomePage extends StatefulWidget {
 class _MyHomePageState extends State<MyHomePage> {
   final CameraPosition initialCameraPosition =
       CameraPosition(latLng: LatLng(51.2147194, 10.3634281), zoom: 6.0);
+  final DeveloperSettingsRepository developerSettingsRepository =
+      LocalDeveloperSettingsRepository();
   Set<Marker> _markers = {};
   List<StationModel> _stations = [];
   Filter _filter = Filter("e5");
@@ -87,6 +91,7 @@ class _MyHomePageState extends State<MyHomePage> {
   bool _showMarkers = true;
   CameraPosition? _lastRequestPosition;
   CameraPosition? _position;
+  CameraPosition? _ownPosition;
   MapController? _mapController;
   bool _isLoading = true;
   Exception? _error;
@@ -448,7 +453,8 @@ class _MyHomePageState extends State<MyHomePage> {
     });
 
     GetStationsUseCase getStationsUseCase = GetStationsUseCaseImpl(
-        TankerkoenigStationRepository(FileConfigRepository()));
+        TankerkoenigStationRepository(FileConfigRepository()),
+        LocalDeveloperSettingsRepository());
     return getStationsUseCase.invoke(_filter.gas,
         CoordinateModel(location.latLng.latitude, location.latLng.longitude));
   }
@@ -467,6 +473,7 @@ class _MyHomePageState extends State<MyHomePage> {
     }
     _handleCameraPositionUpdate(cameraPosition);
     _mapController?.moveCameraToPosition(cameraPosition);
+    _ownPosition = cameraPosition;
     return locationData;
   }
 
@@ -537,6 +544,14 @@ class _MyHomePageState extends State<MyHomePage> {
       return;
     }
 
+    // Allow fetching without location only with enabled flag
+    DeveloperSettingsModel developerSettings =
+        await developerSettingsRepository.get().first;
+    CameraPosition position = _ownPosition!;
+    if (developerSettings.isFetchingWithoutLocationEnabled) {
+      position = _position!;
+    }
+
     // Fetch new stations only if we move camera by 8 kilometers
     if (!force && _lastRequestPosition != null) {
       double movementDistance = Geolocator.distanceBetween(
@@ -549,7 +564,7 @@ class _MyHomePageState extends State<MyHomePage> {
       }
     }
 
-    _requestStations(_position!)
+    _requestStations(position)
         .then((stations) {
           _lastRequestPosition = _position;
           _stations = stations;

map/lib/cubit/map_cubit.dart

@@ -16,6 +16,10 @@ class MapCubit extends Cubit<MapState> {
     emit(MapState.loading());
 
     getMapProviderUseCase.invoke().listen((mapProvider) {
+      if (isClosed) {
+        return;
+      }
+
       emit(MapState.success(mapProvider));
     }).onError((error) => emit(MapState.failure(error)));
   }

settings/lib/developer/ui/cubit/developer_card_cubit.dart

@@ -24,6 +24,10 @@ class DeveloperCardCubit extends Cubit<DeveloperCardState> {
     emit(DeveloperCardState.loading());
 
     getDeveloperSettingsUseCase.invoke().listen((developerSettings) {
+      if (isClosed) {
+        return;
+      }
+
       emit(DeveloperCardState.success(developerSettings.isDeveloperModeEnabled,
           developerSettings.mapProvider));
     }).onError((error) => emit(DeveloperCardState.failure(error)));

settings/lib/feature/cubit/feature_settings_cubit.dart

@@ -23,6 +23,10 @@ class FeatureSettingsCubit extends Cubit<FeatureSettingsState> {
     emit(FeatureSettingsState.loading());
 
     getDeveloperSettingsUseCase.invoke().listen((developerSettings) {
+      if (isClosed) {
+        return;
+      }
+
       emit(FeatureSettingsState.success(
           developerSettings.isFetchingWithoutLocationEnabled,
           developerSettings.isPercentagePriceRangesEnabled));

settings/lib/theme/ui/cubit/theme_item_cubit.dart

@@ -20,6 +20,10 @@ class ThemeItemCubit extends Cubit<ThemeItemState> {
     emit(ThemeItemState.loading());
 
     getThemeUseCase.invoke().listen((theme) {
+      if (isClosed) {
+        return;
+      }
+
       String label;
       if (theme == ThemeMode.light) {
         label = "Hell";

station/lib/usecase/get_stations_use_case.dart

@@ -1,6 +1,7 @@
 import 'dart:math';
 
 import 'package:navigation/coordinate_model.dart';
+import 'package:settings/developer/repository/developer_settings_repository.dart';
 import 'package:station/repository/station_repository.dart';
 import 'package:station/station_model.dart';
 
@@ -10,37 +11,41 @@ abstract class GetStationsUseCase {
 
 class GetStationsUseCaseImpl extends GetStationsUseCase {
   final StationRepository _stationRepository;
+  final DeveloperSettingsRepository _developerSettingsRepository;
 
-  GetStationsUseCaseImpl(this._stationRepository);
+  GetStationsUseCaseImpl(
+      this._stationRepository, this._developerSettingsRepository);
 
   @override
   Future<List<StationModel>> invoke(
       String type, CoordinateModel position) async {
-    List<StationPricesModel> minMaxPrices = await _fetchMinMaxPrices(type, position);
+    List<StationPricesModel> minMaxPrices =
+        await _fetchMinMaxPrices(type, position);
     StationPricesModel minPrices = minMaxPrices[0];
     StationPricesModel maxPrices = minMaxPrices[1];
 
     return _stationRepository.list(type, position, 15).then((stations) {
-      return stations
-          .map((station) => StationModel(
-              station.id,
-              station.name,
-              station.company,
-              station.address,
-              StationPricesModel(
-                station.prices.e5,
-                _getPriceRange(minPrices.e5, maxPrices.e5, station.prices.e5),
-                station.prices.e10,
-                _getPriceRange(
-                    minPrices.e10, maxPrices.e10, station.prices.e10),
-                station.prices.diesel,
-                _getPriceRange(
-                    minPrices.diesel, maxPrices.diesel, station.prices.diesel),
-              ),
-              station.coordinate,
-              station.openTimes,
-              station.isOpen))
-          .toList();
+      return Future.wait(stations.map((station) async {
+        return StationModel(
+            station.id,
+            station.name,
+            station.company,
+            station.address,
+            StationPricesModel(
+              station.prices.e5,
+              await _getPriceRange(
+                  minPrices.e5, maxPrices.e5, station.prices.e5),
+              station.prices.e10,
+              await _getPriceRange(
+                  minPrices.e10, maxPrices.e10, station.prices.e10),
+              station.prices.diesel,
+              await _getPriceRange(
+                  minPrices.diesel, maxPrices.diesel, station.prices.diesel),
+            ),
+            station.coordinate,
+            station.openTimes,
+            station.isOpen);
+      }).toList());
     });
   }
 
@@ -75,7 +80,32 @@ class GetStationsUseCaseImpl extends GetStationsUseCase {
     });
   }
 
-  StationPriceRange _getPriceRange(
+  Future<StationPriceRange> _getPriceRange(
+      double minPrice, double maxPrice, double price) {
+    return _developerSettingsRepository.get().first.then((developerSettings) {
+      if (developerSettings.isPercentagePriceRangesEnabled) {
+        return _getPriceRangePercentage(minPrice, maxPrice, price);
+      } else {
+        return _getPriceRangeRelative(minPrice, price);
+      }
+    });
+  }
+
+  StationPriceRange _getPriceRangeRelative(double minPrice, double price) {
+    if (price == 0.0) {
+      return StationPriceRange.unknown;
+    }
+
+    if (minPrice + 0.04 >= price) {
+      return StationPriceRange.cheap;
+    } else if (minPrice + 0.10 >= price) {
+      return StationPriceRange.normal;
+    } else {
+      return StationPriceRange.expensive;
+    }
+  }
+
+  StationPriceRange _getPriceRangePercentage(
       double minPrice, double maxPrice, double price) {
     if (price == 0.0) {
       return StationPriceRange.unknown;

station/pubspec.yaml

@@ -15,6 +15,9 @@ dependencies:
   navigation:
     path: '../navigation'
 
+  settings:
+    path: '../settings'
+
   # BLoC - https://pub.dev/packages/flutter_bloc
   flutter_bloc: ^8.0.1