Source Code added

mobile/lib/domain/models/timeline.model.dart

@@ -0,0 +1,31 @@
+enum GroupAssetsBy { day, month, auto, none }
+
+enum HeaderType { none, month, day, monthAndDay }
+
+class Bucket {
+  final int assetCount;
+
+  const Bucket({required this.assetCount});
+
+  @override
+  bool operator ==(covariant Bucket other) {
+    return assetCount == other.assetCount;
+  }
+
+  @override
+  int get hashCode => assetCount.hashCode;
+}
+
+class TimeBucket extends Bucket {
+  final DateTime date;
+
+  const TimeBucket({required this.date, required super.assetCount});
+
+  @override
+  bool operator ==(covariant TimeBucket other) {
+    return super == other && date == other.date;
+  }
+
+  @override
+  int get hashCode => super.hashCode ^ date.hashCode;
+}