add adaptive_scaffold

mobile-v2/lib/domain/models/asset.model.dart

@@ -0,0 +1,82 @@
+import 'package:flutter/foundation.dart';
+
+enum AssetType {
+  // do not change this order!
+  other,
+  image,
+  video,
+  audio,
+}
+
+@immutable
+class LocalAsset {
+  final int id;
+  final String localId;
+  final String name;
+  final String checksum;
+  final int height;
+  final int width;
+  final AssetType type;
+  final DateTime createdTime;
+  final DateTime modifiedTime;
+  final int duration;
+  final bool isLivePhoto;
+
+  const LocalAsset({
+    required this.id,
+    required this.localId,
+    required this.name,
+    required this.checksum,
+    required this.height,
+    required this.width,
+    required this.type,
+    required this.createdTime,
+    required this.modifiedTime,
+    required this.duration,
+    required this.isLivePhoto,
+  });
+
+  @override
+  String toString() {
+    return 'LocalAsset(id: $id, localId: $localId, name: $name, checksum: $checksum, height: $height, width: $width, type: $type, createdTime: $createdTime, modifiedTime: $modifiedTime, duration: $duration, isLivePhoto: $isLivePhoto)';
+  }
+
+  String toJSON() {
+    return """
+{
+  "id": $id,
+  "localId": "$localId",
+  "name": "$name",
+  "checksum": "$checksum",
+  "height": $height,
+  "width": $width,
+  "type": "$type",
+  "createdTime": "$createdTime",
+  "modifiedTime": "$modifiedTime",
+  "duration": "$duration",
+  "isLivePhoto": "$isLivePhoto",
+}""";
+  }
+
+  @override
+  bool operator ==(covariant LocalAsset other) {
+    if (identical(this, other)) return true;
+
+    return other.hashCode == hashCode;
+  }
+
+  @override
+  int get hashCode {
+    return id.hashCode ^
+        localId.hashCode ^
+        name.hashCode ^
+        checksum.hashCode ^
+        height.hashCode ^
+        width.hashCode ^
+        type.hashCode ^
+        createdTime.hashCode ^
+        modifiedTime.hashCode ^
+        duration.hashCode ^
+        isLivePhoto.hashCode;
+  }
+}