feat/ add favorite parkings feature

lib/api_base/ttl/local_timestamp_repository.dart

@@ -3,6 +3,7 @@ import "package:riverpod_annotation/riverpod_annotation.dart";
 import "package:shared_preferences/shared_preferences.dart";
 
 import "../../config/env.dart";
+import "../../config/shared_prefs.dart";
 import "../../config/ttl_config.dart";
 import "../../utils/timestamp.dart";
 import "ttl_timestamp.dart";
@@ -30,16 +31,11 @@ class LocalTimestampRepository {
   }
 }
 
-@Riverpod(keepAlive: true)
-Future<SharedPreferences> _prefs(_PrefsRef ref) async {
-  return SharedPreferences.getInstance();
-}
-
 @riverpod
 Future<LocalTimestampRepository> localTimestampRepository(
   LocalTimestampRepositoryRef ref,
   TtlKey key,
 ) async {
-  final prefs = await ref.watch(_prefsProvider.future);
+  final prefs = await ref.watch(sharedPreferencesSingletonProvider.future);
   return LocalTimestampRepository(key, prefs);
 }

lib/config/shared_prefs.dart

@@ -0,0 +1,11 @@
+import "package:riverpod_annotation/riverpod_annotation.dart";
+import "package:shared_preferences/shared_preferences.dart";
+
+part "shared_prefs.g.dart";
+
+@Riverpod(keepAlive: true)
+Future<SharedPreferences> sharedPreferencesSingleton(
+  SharedPreferencesSingletonRef ref,
+) {
+  return SharedPreferences.getInstance();
+}

lib/features/parkings_view/repository/local_fav_parking_repository.dart

@@ -0,0 +1,29 @@
+import "package:riverpod_annotation/riverpod_annotation.dart";
+
+import "../../../config/shared_prefs.dart";
+
+part "local_fav_parking_repository.g.dart";
+
+@riverpod
+class LocalFavParkingsRepository extends _$LocalFavParkingsRepository {
+  static const _repoPrefix = "fav_parking_";
+
+  String get _key => _repoPrefix + parkingId;
+
+  @override
+  bool? build(String parkingId) {
+    final prefs = ref.watch(sharedPreferencesSingletonProvider);
+    return switch (prefs) {
+      AsyncError() => null,
+      AsyncValue(:final value) => value?.getBool(_key) ?? false,
+    };
+  }
+
+  Future<void> toggle() async {
+    final currState = state ?? false;
+    final newState = !currState;
+    state = newState;
+    final prefs = await ref.read(sharedPreferencesSingletonProvider.future);
+    await prefs.setBool(_key, newState);
+  }
+}

lib/features/parkings_view/widgets/parking_favourite.dart

@@ -0,0 +1,47 @@
+import "package:flutter/material.dart";
+import "package:flutter_riverpod/flutter_riverpod.dart";
+
+import "../../../theme/app_theme.dart";
+import "../../../theme/iparking_theme.dart";
+import "../models/parking.dart";
+import "../repository/local_fav_parking_repository.dart";
+
+class FavouriteParkingWidget extends ConsumerWidget {
+  const FavouriteParkingWidget(this.parking);
+  final Parking parking;
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final favController =
+        ref.watch(localFavParkingsRepositoryProvider(parking.id).notifier);
+    final isFavorite =
+        ref.watch(localFavParkingsRepositoryProvider(parking.id));
+    return IconButton(
+      visualDensity: VisualDensity.compact,
+      onPressed: favController.toggle,
+      icon: isFavorite == null
+          ? const FavouriteIcon(
+              icon: Icons.error,
+            )
+          : FavouriteIcon(
+              icon: isFavorite
+                  ? Icons.favorite_rounded
+                  : Icons.favorite_border_outlined,
+            ),
+    );
+  }
+}
+
+class FavouriteIcon extends StatelessWidget {
+  const FavouriteIcon({super.key, required this.icon});
+  final IconData icon;
+
+  @override
+  Widget build(BuildContext context) {
+    return Icon(
+      icon,
+      color: context.colorTheme.whiteSoap,
+      size: 22,
+      shadows: iparkingShadows,
+    );
+  }
+}

lib/features/parkings_view/widgets/parking_wide_tile_card.dart

@@ -6,7 +6,7 @@ import "../../../theme/iparking_theme.dart";
 import "../../../utils/context_extensions.dart";
 import "../../parking_chart/parking_chart.dart";
 import "../models/parking.dart";
-import "parkings_icons.icons.dart";
+import "parking_favourite.dart";
 
 class ParkingWideTileCard extends StatelessWidget {
   const ParkingWideTileCard({
@@ -52,6 +52,11 @@ class ParkingWideTileCard extends StatelessWidget {
               padding: ParkingsConfig.padding,
               child: _RightColumn(parking, isActive: isActive),
             ),
+            Positioned(
+              top: 1,
+              right: 2,
+              child: FavouriteParkingWidget(parking),
+            ),
           ],
         ),
       ),
@@ -118,21 +123,8 @@ class _RightColumn extends StatelessWidget {
   Widget build(BuildContext context) {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.end,
-      mainAxisAlignment: MainAxisAlignment.spaceBetween,
+      mainAxisAlignment: MainAxisAlignment.end,
       children: [
-        if (!isActive)
-          const Icon(
-            ParkingsIcons.ipark_info,
-            color: Colors.white,
-            size: 25,
-            shadows: iparkingShadows,
-          ),
-        if (isActive)
-          const Icon(
-            ParkingsIcons.ip_close,
-            color: Colors.white,
-            size: 20,
-          ),
         Text(
           parking.counterText,
           style: isActive

pubspec.yaml

@@ -48,7 +48,7 @@ dependencies:
   enum_map: ^0.3.0
   google_maps_flutter: ^2.6.1
   url_launcher: ^6.2.4
-  shared_preferences: ^2.2.2
+  shared_preferences: ^2.3.2
   dio: ^5.4.3+1
   freezed_annotation: ^2.4.1
   json_annotation: ^4.9.0