initial commit

lib/utils/helpers.dart

@@ -36,15 +36,6 @@ Widget mono(String s) =>
 String fmtTimeOfDay(TimeOfDay t) =>
     '${t.hour.toString().padLeft(2, '0')}:${t.minute.toString().padLeft(2, '0')}';
 
-int minutesBetween(TimeOfDay a, TimeOfDay b) {
-  final aMin = a.hour * 60 + a.minute;
-  final bMin = b.hour * 60 + b.minute;
-  final d = bMin - aMin;
-  if (d <= 0) return 0;
-  if (d >= 24 * 60) return 24 * 60;
-  return d;
-}
-
 String minutesToHHMM(int minutes) {
   final h = minutes ~/ 60;
   final m = minutes % 60;
@@ -102,3 +93,27 @@ List<WorkDay> fillMonth(DateTime monthStart, List<WorkDay> existing) {
   }
   return out;
 }
+
+/// "HH:MM:SS" → Minuten (Sekunden ignoriert). Ungültig => null.
+int? minutesFromHHMMSS(String? s) {
+  if (s == null) return null;
+  final parts = s.split(':');
+  if (parts.length != 3) return null;
+  final h = int.tryParse(parts[0]) ?? 0;
+  final m = int.tryParse(parts[1]) ?? 0;
+  return h * 60 + m;
+}
+
+// Abwesenheitscodes und Labels
+const List<String> kAbsenceCodes = ['GZ', 'K', 'U', 'SU', 'T'];
+
+String codeLabel(String? code) {
+  switch (code) {
+    case 'GZ': return 'Gleitzeit';
+    case 'K':  return 'Krankenstand';
+    case 'U':  return 'Urlaub';
+    case 'SU': return 'Sonderurlaub';
+    case 'T':  return 'Training';
+    default:   return '—';
+  }
+}

lib/utils/input_formatters.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/services.dart';
 
+/// Tippt „HHMM“ und formatiert live zu „HH:MM“ (nur Ziffern erlaubt).
 class HHmmInputFormatter extends TextInputFormatter {
   const HHmmInputFormatter();
 
@@ -17,7 +18,7 @@ class HHmmInputFormatter extends TextInputFormatter {
     } else {
       final hh = digits.substring(0, 2);
       final mm = digits.substring(2);
-      text = '$hh:$mm'; // ← Interpolation statt + ':' +
+      text = '$hh:$mm';
     }
 
     final offset = text.length;