claude refactor

lib/view/pages/timetable/data/webuntis_time.dart

@@ -0,0 +1,14 @@
+import 'package:intl/intl.dart';
+
+class WebuntisTime {
+  static final DateFormat _dateFormat = DateFormat('yyyyMMdd');
+
+  static DateTime parse(int date, int time) {
+    final timeString = time.toString().padLeft(4, '0');
+    return DateTime.parse('$date ${timeString.substring(0, 2)}:${timeString.substring(2, 4)}');
+  }
+
+  static int formatDate(DateTime date) => int.parse(_dateFormat.format(date));
+
+  static String dateKey(DateTime date) => _dateFormat.format(date);
+}