Feature #120 #89 selective backup in app (#137)

mobile/lib/modules/backup/models/available_album.model.dart

@@ -0,0 +1,35 @@
+import 'dart:typed_data';
+
+import 'package:photo_manager/photo_manager.dart';
+
+class AvailableAlbum {
+  final AssetPathEntity albumEntity;
+  final Uint8List? thumbnailData;
+  AvailableAlbum({
+    required this.albumEntity,
+    this.thumbnailData,
+  });
+
+  AvailableAlbum copyWith({
+    AssetPathEntity? albumEntity,
+    Uint8List? thumbnailData,
+  }) {
+    return AvailableAlbum(
+      albumEntity: albumEntity ?? this.albumEntity,
+      thumbnailData: thumbnailData ?? this.thumbnailData,
+    );
+  }
+
+  @override
+  String toString() => 'AvailableAlbum(albumEntity: $albumEntity, thumbnailData: $thumbnailData)';
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is AvailableAlbum && other.albumEntity == albumEntity && other.thumbnailData == thumbnailData;
+  }
+
+  @override
+  int get hashCode => albumEntity.hashCode ^ thumbnailData.hashCode;
+}