Adds todayProvider to memory lane

mobile/lib/main.dart

@@ -14,6 +14,7 @@ import 'package:immich_mobile/modules/backup/models/duplicated_asset.model.dart'
 import 'package:immich_mobile/modules/backup/providers/backup.provider.dart';
 import 'package:immich_mobile/modules/backup/providers/ios_background_settings.provider.dart';
 import 'package:immich_mobile/modules/login/providers/authentication.provider.dart';
+import 'package:immich_mobile/modules/memories/providers/memory.provider.dart';
 import 'package:immich_mobile/modules/onboarding/providers/gallery_permission.provider.dart';
 import 'package:immich_mobile/modules/settings/providers/notification_permission.provider.dart';
 import 'package:immich_mobile/routing/router.dart';
@@ -156,6 +157,8 @@ class ImmichAppState extends ConsumerState<ImmichApp>
 
         ref.read(iOSBackgroundSettingsProvider.notifier).refresh();
 
+        ref.read(todayProvider.notifier).update();
+
         break;
 
       case AppLifecycleState.inactive:

mobile/lib/modules/memories/providers/memory.provider.dart

@@ -2,9 +2,26 @@ import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:immich_mobile/modules/memories/models/memory.dart';
 import 'package:immich_mobile/modules/memories/services/memory.service.dart';
 
+/// A notifier to be used with the Memory Lane service. Sets the date, and
+/// will update the date to now on app resume so that the memory provider
+/// can update accordingly
+class TodayNotifier extends StateNotifier<DateTime> {
+  TodayNotifier() : super(DateTime.now());
+
+  /// Sets the time to now to refresh today
+  void update() {
+    state = DateTime.now();
+  }
+}
+
+final todayProvider = StateNotifierProvider<TodayNotifier, DateTime>((ref) {
+  return TodayNotifier();
+});
+
 final memoryFutureProvider =
     FutureProvider.autoDispose<List<Memory>?>((ref) async {
   final service = ref.watch(memoryServiceProvider);
+  final today = ref.watch(todayProvider);
 
-  return await service.getMemoryLane();
+  return await service.getMemoryLane(now: today);
 });

mobile/lib/modules/memories/services/memory.service.dart

@@ -19,9 +19,10 @@ class MemoryService {
 
   MemoryService(this._apiService);
 
-  Future<List<Memory>?> getMemoryLane() async {
+  Future<List<Memory>?> getMemoryLane({DateTime? now}) async {
     try {
-      final now = DateTime.now();
+      // Use the provided DateTime or default to now
+      now = now ?? DateTime.now();
       final beginningOfDate = DateTime(now.year, now.month, now.day);
       final data = await _apiService.assetApi.getMemoryLane(
         beginningOfDate,