Source Code added

mobile/lib/models/activities/activity.model.dart

@@ -0,0 +1,67 @@
+import 'package:immich_mobile/domain/models/user.model.dart';
+
+enum ActivityType { comment, like }
+
+class Activity {
+  final String id;
+  final String? assetId;
+  final String? comment;
+  final DateTime createdAt;
+  final ActivityType type;
+  final UserDto user;
+
+  const Activity({
+    required this.id,
+    this.assetId,
+    this.comment,
+    required this.createdAt,
+    required this.type,
+    required this.user,
+  });
+
+  Activity copyWith({
+    String? id,
+    String? assetId,
+    String? comment,
+    DateTime? createdAt,
+    ActivityType? type,
+    UserDto? user,
+  }) {
+    return Activity(
+      id: id ?? this.id,
+      assetId: assetId ?? this.assetId,
+      comment: comment ?? this.comment,
+      createdAt: createdAt ?? this.createdAt,
+      type: type ?? this.type,
+      user: user ?? this.user,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'Activity(id: $id, assetId: $assetId, comment: $comment, createdAt: $createdAt, type: $type, user: $user)';
+  }
+
+  @override
+  bool operator ==(covariant Activity other) {
+    if (identical(this, other)) return true;
+
+    return other.id == id &&
+        other.assetId == assetId &&
+        other.comment == comment &&
+        other.createdAt == createdAt &&
+        other.type == type &&
+        other.user == user;
+  }
+
+  @override
+  int get hashCode {
+    return id.hashCode ^ assetId.hashCode ^ comment.hashCode ^ createdAt.hashCode ^ type.hashCode ^ user.hashCode;
+  }
+}
+
+class ActivityStats {
+  final int comments;
+
+  const ActivityStats({required this.comments});
+}