Source Code added

mobile/lib/models/download/livephotos_medatada.model.dart

@@ -0,0 +1,42 @@
+// ignore_for_file: public_member_api_docs, sort_constructors_first
+import 'dart:convert';
+
+enum LivePhotosPart { video, image }
+
+class LivePhotosMetadata {
+  // enum
+  LivePhotosPart part;
+
+  String id;
+  LivePhotosMetadata({required this.part, required this.id});
+
+  LivePhotosMetadata copyWith({LivePhotosPart? part, String? id}) {
+    return LivePhotosMetadata(part: part ?? this.part, id: id ?? this.id);
+  }
+
+  Map<String, dynamic> toMap() {
+    return <String, dynamic>{'part': part.index, 'id': id};
+  }
+
+  factory LivePhotosMetadata.fromMap(Map<String, dynamic> map) {
+    return LivePhotosMetadata(part: LivePhotosPart.values[map['part'] as int], id: map['id'] as String);
+  }
+
+  String toJson() => json.encode(toMap());
+
+  factory LivePhotosMetadata.fromJson(String source) =>
+      LivePhotosMetadata.fromMap(json.decode(source) as Map<String, dynamic>);
+
+  @override
+  String toString() => 'LivePhotosMetadata(part: $part, id: $id)';
+
+  @override
+  bool operator ==(covariant LivePhotosMetadata other) {
+    if (identical(this, other)) return true;
+
+    return other.part == part && other.id == id;
+  }
+
+  @override
+  int get hashCode => part.hashCode ^ id.hashCode;
+}