Project structure change in progress

lib/entities/timer/timer_entity.class.dart

@@ -0,0 +1,45 @@
+part of '../../main.dart';
+
+class TimerEntity extends Entity {
+  TimerEntity(Map rawData, String webHost) : super(rawData, webHost);
+
+  Duration duration;
+
+  @override
+  void update(Map rawData, String webHost) {
+    super.update(rawData, webHost);
+    String durationSource = "${attributes["duration"]}";
+    if (durationSource != null && durationSource.isNotEmpty) {
+      try {
+        List<String> durationList = durationSource.split(":");
+        if (durationList.length == 1) {
+          duration = Duration(seconds: int.tryParse(durationList[0] ?? 0));
+        } else if (durationList.length == 2) {
+          duration = Duration(
+              hours: int.tryParse(durationList[0]) ?? 0,
+              minutes: int.tryParse(durationList[1]) ?? 0
+          );
+        } else if (durationList.length == 3) {
+          duration = Duration(
+              hours: int.tryParse(durationList[0]) ?? 0,
+              minutes: int.tryParse(durationList[1]) ?? 0,
+              seconds: int.tryParse(durationList[2]) ?? 0
+          );
+        } else {
+          Logger.e("Strange $entityId duration format: $durationSource");
+          duration = Duration(seconds: 0);
+        }
+      } catch (e) {
+        Logger.e("Error parsing duration for $entityId: ${e.toString()}");
+        duration = Duration(seconds: 0);
+      }
+    } else {
+      duration = Duration(seconds: 0);
+    }
+  }
+
+  @override
+  Widget _buildStatePart(BuildContext context) {
+    return TimerState();
+  }
+}