refactor(mobile): reworked Asset, store all required fields from local & remote (#1539)

replace usage of AssetResponseDto with Asset

Add new class ExifInfo to store data from ExifResponseDto

mobile/lib/shared/services/asset_cache.service.dart

@@ -0,0 +1,41 @@
+import 'package:collection/collection.dart';
+import 'package:flutter/foundation.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/shared/models/asset.dart';
+import 'package:immich_mobile/shared/services/json_cache.dart';
+
+class AssetCacheService extends JsonCache<List<Asset>> {
+  AssetCacheService() : super("asset_cache");
+
+  static Future<List<Map<String, dynamic>>> _computeSerialize(
+    List<Asset> assets,
+  ) async {
+    return assets.map((e) => e.toJson()).toList();
+  }
+
+  @override
+  void put(List<Asset> data) async {
+    putRawData(await compute(_computeSerialize, data));
+  }
+
+  static Future<List<Asset>> _computeEncode(List<dynamic> data) async {
+    return data.map((e) => Asset.fromJson(e)).whereNotNull().toList();
+  }
+
+  @override
+  Future<List<Asset>?> get() async {
+    try {
+      final mapList = await readRawData() as List<dynamic>;
+      final responseData = await compute(_computeEncode, mapList);
+      return responseData;
+    } catch (e) {
+      debugPrint(e.toString());
+      await invalidate();
+      return null;
+    }
+  }
+}
+
+final assetCacheServiceProvider = Provider(
+  (ref) => AssetCacheService(),
+);