use asynccache

mobile-v2/lib/domain/repositories/api/user_api.repository.dart

@@ -11,13 +11,8 @@ class UserApiRepository with LogMixin implements IUserApiRepository {
   @override
   Future<model.User?> getMyUser() async {
     try {
-      final [
-        userDto as UserAdminResponseDto?,
-        preferencesDto as UserPreferencesResponseDto?
-      ] = await Future.wait([
-        _usersApi.getMyUser(),
-        _usersApi.getMyPreferences(),
-      ]);
+      final (userDto, preferencesDto) =
+          await (_usersApi.getMyUser(), _usersApi.getMyPreferences()).wait;
 
       if (userDto == null) {
         log.e("Cannot fetch my user.");

mobile-v2/lib/domain/services/album_sync.service.dart

@@ -1,3 +1,4 @@
+import 'package:async/async.dart';
 import 'package:immich_mobile/domain/interfaces/album.interface.dart';
 import 'package:immich_mobile/domain/interfaces/album_asset.interface.dart';
 import 'package:immich_mobile/domain/interfaces/album_etag.interface.dart';
@@ -14,10 +15,13 @@ import 'package:immich_mobile/utils/isolate_helper.dart';
 import 'package:immich_mobile/utils/mixins/log.mixin.dart';
 
 class AlbumSyncService with LogMixin {
-  const AlbumSyncService();
+  AlbumSyncService();
+
+  final _fullDeviceSyncCache = AsyncCache<bool>.ephemeral();
 
   Future<bool> performFullDeviceSyncIsolate() async {
-    return await IsolateHelper.run(performFullDeviceSync);
+    return await _fullDeviceSyncCache
+        .fetch(() async => await IsolateHelper.run(performFullDeviceSync));
   }
 
   Future<bool> performFullDeviceSync() async {

mobile-v2/lib/domain/services/asset_sync.service.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 
+import 'package:async/async.dart';
 import 'package:collection/collection.dart';
 import 'package:immich_mobile/domain/interfaces/api/sync_api.interface.dart';
 import 'package:immich_mobile/domain/interfaces/asset.interface.dart';
@@ -13,20 +14,24 @@ import 'package:immich_mobile/utils/isolate_helper.dart';
 import 'package:immich_mobile/utils/mixins/log.mixin.dart';
 
 class AssetSyncService with LogMixin {
-  const AssetSyncService();
+  AssetSyncService();
+
+  final _fullRemoteSyncCache = AsyncCache<bool>.ephemeral();
 
   Future<bool> performFullRemoteSyncIsolate(
     User user, {
     DateTime? updatedUtil,
     int? limit,
   }) async {
-    return await IsolateHelper.run(() async {
-      return await performFullRemoteSync(
-        user,
-        updatedUtil: updatedUtil,
-        limit: limit,
-      );
-    });
+    return await _fullRemoteSyncCache.fetch(
+      () async => await IsolateHelper.run(() async {
+        return await performFullRemoteSync(
+          user,
+          updatedUtil: updatedUtil,
+          limit: limit,
+        );
+      }),
+    );
   }
 
   Future<bool> performFullRemoteSync(

mobile-v2/lib/domain/services/login.service.dart

@@ -1,8 +1,6 @@
 import 'dart:async';
-import 'dart:convert';
 import 'dart:io';
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter_web_auth_2/flutter_web_auth_2.dart';
 import 'package:http/http.dart';
 import 'package:immich_mobile/domain/interfaces/album.interface.dart';
@@ -22,6 +20,7 @@ import 'package:immich_mobile/presentation/states/gallery_permission.state.dart'
 import 'package:immich_mobile/presentation/states/server_info.state.dart';
 import 'package:immich_mobile/service_locator.dart';
 import 'package:immich_mobile/utils/immich_api_client.dart';
+import 'package:immich_mobile/utils/isolate_helper.dart';
 import 'package:immich_mobile/utils/mixins/log.mixin.dart';
 
 // Cannot add dependency repos to constructor as this requires the newly registered API client from login
@@ -59,7 +58,7 @@ class LoginService with LogMixin {
       );
 
       if (res.statusCode == HttpStatus.ok) {
-        final data = await compute(jsonDecode, res.body);
+        final data = await IsolateHelper.decodeJson(res.bodyBytes);
         final endpoint = data['api']['endpoint'].toString();
 
         // Full URL is relative to base

mobile-v2/lib/presentation/states/server_info.state.dart

@@ -12,7 +12,7 @@ class ServerInfoProvider extends ValueNotifier<ServerInfo> {
         super(const ServerInfo.initial());
 
   Future<void> fetchFeatures() async =>
-      await Future.wait([_getFeatures(), _getConfig(), _getVersion()]);
+      await (_getFeatures(), _getConfig(), _getVersion()).wait;
 
   Future<void> _getFeatures() async {
     final features = await _serverApiRepository.getServerFeatures();

mobile-v2/lib/service_locator.dart

@@ -138,8 +138,8 @@ abstract final class ServiceLocator {
   static void _registerServices() {
     /// Special services. So they are initiated as singletons
     _registerSingleton(ImHostService());
-    _registerSingleton(const AlbumSyncService());
-    _registerSingleton(const AssetSyncService());
+    _registerSingleton(AlbumSyncService());
+    _registerSingleton(AssetSyncService());
 
     ///
     _registerFactory<LoginService>(() => const LoginService());

mobile-v2/lib/utils/isolate_helper.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:convert';
 import 'dart:isolate';
 import 'dart:ui';
 
@@ -82,4 +83,11 @@ class IsolateHelper {
       }
     });
   }
+
+  static Future<Map<String, dynamic>> decodeJson(Uint8List json) async {
+    return await Isolate.run(
+      () => const Utf8Decoder().fuse(const JsonDecoder()).convert(json)
+          as Map<String, dynamic>,
+    );
+  }
 }

mobile-v2/pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
   logging: ^1.3.0
   # Collection Utils
   collection: ^1.18.0
+  async: ^2.12.0
   # service_locator
   get_it: ^8.0.0
   # Photo Manager