Monthy calculation

lib/api/booking_api.dart

@@ -1,3 +1,4 @@
+import 'dart:typed_data';
 import 'dart:convert';
 import 'package:http/http.dart' as http;
 import '../models/work_day.dart';

lib/screens/monthly_view.dart

@@ -1,4 +1,5 @@
-import 'dart:async'; // << neu: für Timer (Debounce)
+import 'dart:async';
+import 'dart:convert'; // <-- für jsonEncode (Debug)
 import 'dart:ui' show FontFeature;
 import 'package:flutter/material.dart';
 import 'package:http/http.dart' as http;
@@ -27,6 +28,9 @@ class _MonthlyViewState extends State<MonthlyView> {
   static const double _wNumber = 76;
   static const double _fontSize = 12;
 
+  // API Base (nur für Debug-Ausgabe)
+  static const String _apiUrl = 'https://api.windesign.at/workinghours.php';
+
   // Codes, die Zeiten leeren/sperren
   static const Set<String> _lockCodes = {'G', 'K', 'U', 'SU'};
 
@@ -34,7 +38,8 @@ class _MonthlyViewState extends State<MonthlyView> {
   final Set<String> _invalidCells = <String>{};
   final Map<String, FocusNode> _focusNodes = {};
   final Map<String, TextEditingController> _controllers = {};
-  FocusNode _nodeFor(String key) => _focusNodes.putIfAbsent(key, () => FocusNode());
+  FocusNode _nodeFor(String key) =>
+      _focusNodes.putIfAbsent(key, () => FocusNode());
   TextEditingController _controllerFor(String key, String initial) =>
       _controllers.putIfAbsent(key, () => TextEditingController(text: initial));
 
@@ -68,11 +73,12 @@ class _MonthlyViewState extends State<MonthlyView> {
   late final ScrollController _vCtrl;
   bool _syncingH = false;
 
-  // --- NEU: Debounce + Save-Status pro Zeile ---
+  // Save-Status pro Zeile
-  final Map<int, Timer> _saveTimers = {};     // rowIndex -> Timer
+  final Map<int, Timer> _saveTimers = {}; // rowIndex -> Timer
-  final Set<int> _savingRows = {};            // Zeilen, die gerade speichern
+  final Set<int> _savingRows = {}; // Zeilen, die gerade speichern
-  final Set<int> _justSavedRows = {};         // Zeilen, die eben gespeichert haben (Häkchen kurz anzeigen)
+  final Set<int> _justSavedRows =
-  final Map<int, String> _rowSaveError = {};  // Zeilenfehler
+      {}; // Zeilen, die eben gespeichert haben (Häkchen kurz anzeigen)
+  final Map<int, String> _rowSaveError = {}; // Zeilenfehler
 
   @override
   void initState() {
@@ -118,6 +124,9 @@ class _MonthlyViewState extends State<MonthlyView> {
   }
 
   Future<void> _loadMonth(DateTime m) async {
+    // DEBUG
+    print('[monthly] LOAD month=${m.year}-${m.month.toString().padLeft(2, '0')}');
+
     setState(() {
       _loading = true;
       _error = null;
@@ -125,14 +134,14 @@ class _MonthlyViewState extends State<MonthlyView> {
     });
     try {
       final results = await Future.wait([
-        _bookingApi.getBookingList(m),   // List<WorkDay>
+        _bookingApi.getBookingList(m), // List<WorkDay>
-        _dailyApi.getDailyMinutes(),     // Map<int,int>
+        _dailyApi.getDailyMinutes(), // Map<int,int>
-        _bookingApi.getMonthStart(m),    // MonthStart
+        _bookingApi.getMonthStart(m), // MonthStart
       ]);
 
       final apiDays = results[0] as List<WorkDay>;
-      final plan    = results[1] as Map<int, int>;
+      final plan = results[1] as Map<int, int>;
-      final mStart  = results[2] as MonthStart;
+      final mStart = results[2] as MonthStart;
 
       final holidayMap = buildHolidayMapAT(m.year);
 
@@ -140,10 +149,12 @@ class _MonthlyViewState extends State<MonthlyView> {
       final withTargets = filled.map((d) {
         final isHoliday = holidayMap.containsKey(ymd(d.date));
         // Feiertage haben immer Soll 0
-        final baseTarget = isHoliday ? 0 : (plan[d.date.weekday] ?? d.targetMinutes);
+        final baseTarget =
+            isHoliday ? 0 : (plan[d.date.weekday] ?? d.targetMinutes);
         // U/SU/K ebenfalls Soll 0
         final code = d.code;
-        final target = (code == 'U' || code == 'SU' || code == 'K') ? 0 : baseTarget;
+        final target =
+            (code == 'U' || code == 'SU' || code == 'K') ? 0 : baseTarget;
         return WorkDay(
           date: d.date,
           intervals: d.intervals,
@@ -158,7 +169,8 @@ class _MonthlyViewState extends State<MonthlyView> {
         _days = withTargets;
         _dailyPlan = plan;
         _monthStartInfo = mStart;
-        _carryBaseMinutes = mStart.carryBaseMinutes; // starthours + overtime + correction
+        _carryBaseMinutes =
+            mStart.carryBaseMinutes; // starthours + overtime + correction
         _loading = false;
 
         // Status-Maps leeren (neuer Monat)
@@ -167,8 +179,16 @@ class _MonthlyViewState extends State<MonthlyView> {
         _rowSaveError.clear();
       });
 
+      // DEBUG: geladene Monats-Startdaten
+      print('[monthly] monthStart loaded for ${ymd(_monthStart)} '
+          'carryBase=${_carryBaseMinutes} '
+          'startvacation=${_monthStartInfo?.startVacationUnits ?? 0} '
+          'overtime=${_monthStartInfo?.overtimeMinutes ?? 0} '
+          'correction=${_monthStartInfo?.correctionMinutes ?? 0}');
+
       _syncControllersWithDays();
     } catch (e) {
+      print('[monthly] LOAD ERROR: $e');
       setState(() {
         _error = e.toString();
         _loading = false;
@@ -193,7 +213,8 @@ class _MonthlyViewState extends State<MonthlyView> {
     }
   }
 
-  Color? _rowColorFor(WorkDay d, {required Color? holidayBg, required Color? weekendBg}) {
+  Color? _rowColorFor(WorkDay d,
+      {required Color? holidayBg, required Color? weekendBg}) {
     switch (d.code) {
       case 'G':
         return const Color(0xFFBFBFFF); // Gleitzeit
@@ -202,12 +223,13 @@ class _MonthlyViewState extends State<MonthlyView> {
       case 'SU':
         return const Color(0xFF7F7FFF); // Sonderurlaub
       case 'K':
-        return Colors.yellow;           // Krankenstand
+        return Colors.yellow; // Krankenstand
       case 'T':
-        return Colors.red;              // Training
+        return Colors.red; // Training
     }
     final isHoliday = _holidays.containsKey(ymd(d.date));
-    final isWeekend = d.date.weekday == DateTime.saturday || d.date.weekday == DateTime.sunday;
+    final isWeekend = d.date.weekday == DateTime.saturday ||
+        d.date.weekday == DateTime.sunday;
     if (isHoliday) return holidayBg;
     if (isWeekend) return weekendBg;
     return null;
@@ -215,7 +237,6 @@ class _MonthlyViewState extends State<MonthlyView> {
 
   @override
   Widget build(BuildContext context) {
-    final headerColumns = _buildColumns();
     final bodyColumns = _buildColumns();
 
     final theme = Theme.of(context);
@@ -223,7 +244,8 @@ class _MonthlyViewState extends State<MonthlyView> {
     final weekendBg = Colors.grey.withOpacity(0.30);
 
     // Live-„Effective“-Tage (inkl. Eingabetexte + Sperrlogik)
-    final effectiveDays = List<WorkDay>.generate(_days.length, (i) => _effectiveDay(i, _days[i]));
+    final effectiveDays =
+        List<WorkDay>.generate(_days.length, (i) => _effectiveDay(i, _days[i]));
 
     // Tagesdifferenzen & kumuliert (Start mit Monatssaldo aus API)
     final diffs = <int>[];
@@ -257,7 +279,8 @@ class _MonthlyViewState extends State<MonthlyView> {
     };
 
     final correctionMin = _monthStartInfo?.correctionMinutes ?? 0;
-    final nextCarryMin = cumulative.isNotEmpty ? cumulative.last : _carryBaseMinutes;
+    final nextCarryMin =
+        cumulative.isNotEmpty ? cumulative.last : _carryBaseMinutes;
 
     final rows = List<DataRow>.generate(_days.length, (i) {
       final day = effectiveDays[i];
@@ -274,8 +297,10 @@ class _MonthlyViewState extends State<MonthlyView> {
       _MonthHeader(
         month: _monthStart,
         loading: _loading,
-        onPrev: () => _loadMonth(DateTime(_monthStart.year, _monthStart.month - 1, 1)),
+        onPrev: () =>
-        onNext: () => _loadMonth(DateTime(_monthStart.year, _monthStart.month + 1, 1)),
+            _loadMonth(DateTime(_monthStart.year, _monthStart.month - 1, 1)),
+        onNext: () =>
+            _loadMonth(DateTime(_monthStart.year, _monthStart.month + 1, 1)),
         onPickMonth: () async {
           final picked = await showDatePicker(
             context: context,
@@ -300,8 +325,10 @@ class _MonthlyViewState extends State<MonthlyView> {
               crossAxisAlignment: CrossAxisAlignment.start,
               mainAxisSize: MainAxisSize.min,
               children: <Widget>[
-                Text('Fehler beim Laden:', style: TextStyle(fontSize: _fontSize)),
+                Text('Fehler beim Laden:',
-                SelectableText(_error ?? '', style: const TextStyle(fontSize: _fontSize)),
+                    style: TextStyle(fontSize: _fontSize)),
+                SelectableText(_error ?? '',
+                    style: const TextStyle(fontSize: _fontSize)),
               ],
             ),
             actions: <Widget>[
@@ -324,7 +351,8 @@ class _MonthlyViewState extends State<MonthlyView> {
             data: DataTableThemeData(
               headingRowHeight: 30,
               columnSpacing: 10,
-              headingTextStyle: const TextStyle(fontWeight: FontWeight.w700, fontSize: _fontSize),
+              headingTextStyle: const TextStyle(
+                  fontWeight: FontWeight.w700, fontSize: _fontSize),
             ),
             child: const _HeaderOnlyDataTable(),
           ),
@@ -397,7 +425,9 @@ class _MonthlyViewState extends State<MonthlyView> {
   }
 
   List<DataColumn> _buildColumns() {
-    DataColumn c(String label, {Alignment align = Alignment.center, double? width}) => DataColumn(
+    DataColumn c(String label,
+            {Alignment align = Alignment.center, double? width}) =>
+        DataColumn(
           label: SizedBox(
             width: width,
             child: Align(
@@ -433,14 +463,16 @@ class _MonthlyViewState extends State<MonthlyView> {
     ];
   }
 
-  List<DataCell> _buildEditableCells(int dayIndex, WorkDay day, int runningDiff) {
+  List<DataCell> _buildEditableCells(
-    final leftLabel = rightDayLabel(day.date);  // "Mo 01.09."
+      int dayIndex, WorkDay day, int runningDiff) {
-    final rightLabel = leftDayLabel(day.date);  // "01.09. Mo"
+    final leftLabel = rightDayLabel(day.date); // "Mo 01.09."
+    final rightLabel = leftDayLabel(day.date); // "01.09. Mo"
     final hName = _holidays[ymd(day.date)] ?? '';
 
     final bool lockTimes = day.code != null && _lockCodes.contains(day.code);
     final bool isHoliday = _holidays.containsKey(ymd(day.date));
-    final bool isWeekend = day.date.weekday == DateTime.saturday || day.date.weekday == DateTime.sunday;
+    final bool isWeekend = day.date.weekday == DateTime.saturday ||
+        day.date.weekday == DateTime.sunday;
     final bool codeDisabled = isHoliday || isWeekend;
 
     String slotText(int slot, bool isStart) {
@@ -480,7 +512,7 @@ class _MonthlyViewState extends State<MonthlyView> {
               ),
             ),
             const SizedBox(width: 4),
-            _rowStatusBadge(dayIndex), // << neu: Spinner/Häkchen/Fault
+            _rowStatusBadge(dayIndex), // Spinner/Häkchen/Fehler
           ],
         ),
       ),
@@ -603,7 +635,8 @@ class _MonthlyViewState extends State<MonthlyView> {
     )));
     cells.add(DataCell(SizedBox(
       width: _wNumber,
-      child: Align(alignment: Alignment.centerRight, child: _monoSmall(diffSum)),
+      child:
+          Align(alignment: Alignment.centerRight, child: _monoSmall(diffSum)),
     )));
 
     // 17: Datum (linksbündig)
@@ -615,7 +648,8 @@ class _MonthlyViewState extends State<MonthlyView> {
       ),
     )));
 
-    assert(cells.length == 18, 'Row has ${cells.length} cells but expected 18.');
+    assert(
+        cells.length == 18, 'Row has ${cells.length} cells but expected 18.');
     return cells;
   }
 
@@ -628,7 +662,7 @@ class _MonthlyViewState extends State<MonthlyView> {
         ),
       );
 
-  // --- NEU: kleiner Status-Badge pro Zeile ---
+  // kleiner Status-Badge pro Zeile
   Widget _rowStatusBadge(int row) {
     if (_savingRows.contains(row)) {
       return const SizedBox(
@@ -638,7 +672,8 @@ class _MonthlyViewState extends State<MonthlyView> {
       );
     }
     if (_rowSaveError.containsKey(row)) {
-      return Icon(Icons.error_outline, size: 14, color: Theme.of(context).colorScheme.error);
+      return Icon(Icons.error_outline,
+          size: 14, color: Theme.of(context).colorScheme.error);
     }
     if (_justSavedRows.contains(row)) {
       return const Icon(Icons.check_circle, size: 14, color: Colors.green);
@@ -657,20 +692,30 @@ class _MonthlyViewState extends State<MonthlyView> {
         final label = v == null ? '—' : codeLabel(v); // langer Name im Dropdown
         return DropdownMenuItem<String?>(
           value: v,
-          child: Text(label, textAlign: TextAlign.center, style: const TextStyle(fontSize: _fontSize)),
+          child: Text(label,
+              textAlign: TextAlign.center,
+              style: const TextStyle(fontSize: _fontSize)),
         );
       }).toList(),
       selectedItemBuilder: (context) {
         return values.map((v) {
           final shortText = v ?? '—'; // kurzer Name in der Tabelle
-          return Center(child: Text(shortText, style: const TextStyle(fontSize: _fontSize)));
+          return Center(
+              child:
+                  Text(shortText, style: const TextStyle(fontSize: _fontSize)));
         }).toList();
       },
       onChanged: disabled
           ? null
           : (newCode) {
               final d = _days[dayIndex];
-              final bool willLock = newCode != null && _lockCodes.contains(newCode);
+              final bool willLock =
+                  newCode != null && _lockCodes.contains(newCode);
+
+              // DEBUG
+              print('[monthly] CODE change day=${ymd(d.date)} newCode=${newCode ?? '-'} '
+                  '(lockTimes=$willLock)');
+
               setState(() {
                 final newDays = List<WorkDay>.from(_days);
                 newDays[dayIndex] = WorkDay(
@@ -693,7 +738,7 @@ class _MonthlyViewState extends State<MonthlyView> {
                 }
               });
 
-              _scheduleSave(dayIndex); // << neu: debounce statt sofort speichern
+              _scheduleSave(dayIndex);
             },
     );
   }
@@ -715,6 +760,11 @@ class _MonthlyViewState extends State<MonthlyView> {
 
     if (d.code != null && _lockCodes.contains(d.code)) return;
 
+    // DEBUG
+    print('[monthly] TIME commit day=${ymd(d.date)} '
+        'slot=${slot + 1} ${isStart ? 'start' : 'end'}="$text" '
+        'parsed=${t != null ? fmtTimeOfDay(t) : '-'}');
+
     final starts = List<TimeOfDay?>.filled(5, null);
     final ends = List<TimeOfDay?>.filled(5, null);
 
@@ -747,21 +797,20 @@ class _MonthlyViewState extends State<MonthlyView> {
       _days = newDays;
     });
 
-    _scheduleSave(dayIndex); // << neu: debounce
+    _scheduleSave(dayIndex);
   }
 
-  // --- NEU: Debounce + Save-Status-Handling ---
+  // Debounce für Tages-Save
   void _scheduleSave(int dayIndex) {
-    // alten Timer stoppen
     _saveTimers[dayIndex]?.cancel();
-    // neuen Timer setzen
     _saveTimers[dayIndex] = Timer(const Duration(milliseconds: 500), () async {
+      // DEBUG
+      print('[monthly] SAVE (debounced) row=$dayIndex date=${ymd(_days[dayIndex].date)}');
       await _saveDay(dayIndex);
     });
   }
 
   Future<void> _saveDay(int dayIndex) async {
-    // evtl. laufenden Debounce-Timer löschen (wir speichern jetzt)
     _saveTimers[dayIndex]?.cancel();
     _saveTimers.remove(dayIndex);
 
@@ -773,7 +822,19 @@ class _MonthlyViewState extends State<MonthlyView> {
 
     try {
       final effective = _effectiveDay(dayIndex, _days[dayIndex]);
-      await _bookingApi.saveDay(effective);
+
+      // --- DEBUG: booking/saveDay Aufruf + Payload spiegeln ---
+      final payload = _debugDayPayload(effective);
+      print('[api] POST $_apiUrl');
+      print('[api] body=${jsonEncode(payload)}');
+
+      await _bookingApi.saveDay(effective); // tatsächlicher API-Call
+
+      // DEBUG
+      print('[api] booking/saveDay OK date=${ymd(effective.date)}');
+
+      // Folgemonat mitrechnen/speichern
+      await _saveMonthStartNow();
 
       if (!mounted) return;
       setState(() {
@@ -789,12 +850,12 @@ class _MonthlyViewState extends State<MonthlyView> {
         });
       });
     } catch (e) {
+      print('[api] booking/saveDay ERROR: $e');
       if (!mounted) return;
       setState(() {
         _savingRows.remove(dayIndex);
         _rowSaveError[dayIndex] = e.toString();
       });
-      // optional non-intrusive Snack
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
           content: Text('Speichern fehlgeschlagen: $e'),
@@ -805,6 +866,59 @@ class _MonthlyViewState extends State<MonthlyView> {
     }
   }
 
+  Future<void> _saveMonthStartNow() async {
+    // 1) Folgemonat bestimmen
+    final nextMonth = DateTime(_monthStart.year, _monthStart.month + 1, 1);
+
+    // 2) Effektive Tage (inkl. Eingabefelder berücksichtigen)
+    final effectiveDays =
+        List<WorkDay>.generate(_days.length, (i) => _effectiveDay(i, _days[i]));
+
+    // 3) Saldo des Monats berechnen (Start + Summe(IST - SOLL))
+    int saldoMin = _carryBaseMinutes;
+    for (final d in effectiveDays) {
+      final worked = _workedFor(d);
+      final target = d.targetMinutes;
+      saldoMin += worked - target;
+    }
+
+    // 4) Urlaubs-Übertrag berechnen
+    final startVacation = _monthStartInfo?.startVacationUnits ?? 0;
+    final usedVacation = _days.where((d) => d.code == 'U').length;
+    final carryVacation = startVacation - usedVacation;
+
+    // 5) Overtime/Correction aus Startdaten übernehmen
+    final overtime = _monthStartInfo?.overtimeMinutes ?? 0;
+    final correction = _monthStartInfo?.correctionMinutes ?? 0;
+
+    // --- DEBUG: monthlybooking/saveStart Aufruf + Payload spiegeln ---
+    final payload = {
+      'module': 'monthlybooking',
+      'function': 'saveStart',
+      'date':
+          '${nextMonth.year.toString().padLeft(4, '0')}-${nextMonth.month.toString().padLeft(2, '0')}-01',
+      'starthours': saldoMin,
+      'startvacation': carryVacation,
+      'overtime': overtime,
+      'correction': correction,
+    };
+    print('[api] POST $_apiUrl');
+    print('[api] body=${jsonEncode(payload)}');
+
+    try {
+      await _bookingApi.saveMonthStart(
+        nextMonth,
+        starthours: saldoMin,
+        startvacation: carryVacation,
+        overtime: overtime,
+        correction: correction,
+      );
+      print('[api] monthlybooking/saveStart OK for ${ymd(nextMonth)}');
+    } catch (e) {
+      print('[api] monthlybooking/saveStart ERROR: $e');
+    }
+  }
+
   void _syncControllersWithDays() {
     for (int i = 0; i < _days.length; i++) {
       final lock = _days[i].code != null && _lockCodes.contains(_days[i].code);
@@ -823,8 +937,12 @@ class _MonthlyViewState extends State<MonthlyView> {
                 : '';
         final cs = _controllers[sKey];
         final ce = _controllers[eKey];
-        if (cs != null && cs.text != sText && !(_focusNodes[sKey]?.hasFocus ?? false)) cs.text = sText;
+        if (cs != null &&
-        if (ce != null && ce.text != eText && !(_focusNodes[eKey]?.hasFocus ?? false)) ce.text = eText;
+            cs.text != sText &&
+            !(_focusNodes[sKey]?.hasFocus ?? false)) cs.text = sText;
+        if (ce != null &&
+            ce.text != eText &&
+            !(_focusNodes[eKey]?.hasFocus ?? false)) ce.text = eText;
       }
     }
   }
@@ -866,8 +984,12 @@ class _MonthlyViewState extends State<MonthlyView> {
       final sText = _controllers[sKey]?.text;
       final eText = _controllers[eKey]?.text;
 
-      final s = (sText != null && sText.isNotEmpty) ? parseTextHHMM(sText) : baseSlot(base, slot, true);
+      final s = (sText != null && sText.isNotEmpty)
-      final e = (eText != null && eText.isNotEmpty) ? parseTextHHMM(eText) : baseSlot(base, slot, false);
+          ? parseTextHHMM(sText)
+          : baseSlot(base, slot, true);
+      final e = (eText != null && eText.isNotEmpty)
+          ? parseTextHHMM(eText)
+          : baseSlot(base, slot, false);
 
       if (s != null && e != null) intervals.add(WorkInterval(s, e));
     }
@@ -929,6 +1051,40 @@ class _MonthlyViewState extends State<MonthlyView> {
     if (a == Alignment.centerLeft) return TextAlign.left;
     return TextAlign.center;
   }
+
+  // ------------------------ DEBUG-Helper ------------------------
+
+  Map<String, dynamic> _debugDayPayload(WorkDay day) {
+    // Intervalle als 5 Slots wie im echten POST
+    final starts = List<String?>.filled(5, null);
+    final ends = List<String?>.filled(5, null);
+    for (int i = 0; i < day.intervals.length && i < 5; i++) {
+      starts[i] = fmtTimeOfDay(day.intervals[i].start);
+      ends[i] = fmtTimeOfDay(day.intervals[i].end);
+    }
+    final lock = _lockCodes.contains(day.code);
+
+    final y = day.date.year.toString().padLeft(4, '0');
+    final m = day.date.month.toString().padLeft(2, '0');
+    final d = day.date.day.toString().padLeft(2, '0');
+
+    return {
+      'module': 'booking',
+      'function': 'saveDay',
+      'date': '$y-$m-$d',
+      'code': day.code, // null → wird als NULL gespeichert
+      'come1': lock ? null : starts[0],
+      'leave1': lock ? null : ends[0],
+      'come2': lock ? null : starts[1],
+      'leave2': lock ? null : ends[1],
+      'come3': lock ? null : starts[2],
+      'leave3': lock ? null : ends[2],
+      'come4': lock ? null : starts[3],
+      'leave4': lock ? null : ends[3],
+      'come5': lock ? null : starts[4],
+      'leave5': lock ? null : ends[4],
+    };
+  }
 }
 
 /// Kopfzeile als separate DataTable (fixiert)
@@ -969,16 +1125,26 @@ class _MonthHeader extends StatelessWidget {
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 4.0),
       child: Row(children: [
-        IconButton(onPressed: loading ? null : onPrev, icon: const Icon(Icons.chevron_left)),
+        IconButton(
+            onPressed: loading ? null : onPrev,
+            icon: const Icon(Icons.chevron_left)),
         Expanded(
           child: TextButton.icon(
             onPressed: loading ? null : onPickMonth,
             icon: const Icon(Icons.calendar_month),
-            label: Text(title, style: Theme.of(context).textTheme.titleLarge?.copyWith(fontSize: 16)),
+            label: Text(title,
+                style: Theme.of(context)
+                    .textTheme
+                    .titleLarge
+                    ?.copyWith(fontSize: 16)),
           ),
         ),
-        IconButton(onPressed: loading ? null : onReload, icon: const Icon(Icons.refresh)),
+        IconButton(
-        IconButton(onPressed: loading ? null : onNext, icon: const Icon(Icons.chevron_right)),
+            onPressed: loading ? null : onReload,
+            icon: const Icon(Icons.refresh)),
+        IconButton(
+            onPressed: loading ? null : onNext,
+            icon: const Icon(Icons.chevron_right)),
       ]),
     );
   }
@@ -991,14 +1157,14 @@ class _MonthlySummaryFooter extends StatelessWidget {
 
   // Linke Spalte (Strings bereits formatiert)
   final String uebertragStartText; // Startsaldo (Minuten → HH:MM)
-  final String sollText;           // Summe Soll (HH:MM)
+  final String sollText; // Summe Soll (HH:MM)
-  final String istText;            // Summe Ist (HH:MM)
+  final String istText; // Summe Ist (HH:MM)
-  final String correctionText;     // Correction (HH:MM, ±)
+  final String correctionText; // Correction (HH:MM, ±)
-  final String saldoText;          // IST - SOLL (±HH:MM)
+  final String saldoText; // IST - SOLL (±HH:MM)
-  final String paidOvertimeText;   // folgt später (—)
+  final String paidOvertimeText; // folgt später (—)
-  final String uebertragNextText;  // letzter „Differenz gesamt“ (±HH:MM)
+  final String uebertragNextText; // letzter „Differenz gesamt“ (±HH:MM)
-  final String restUrlaubText;     // startvacation (Zahl)
+  final String restUrlaubText; // startvacation (Zahl)
-  final String urlaubUebertragText;// startvacation - used
+  final String urlaubUebertragText; // startvacation - used
 
   // Rechte Spalte (Counts)
   final int countGleitzeit;
@@ -1036,16 +1202,17 @@ class _MonthlySummaryFooter extends StatelessWidget {
     // Monatslabels: Vormonat für Überträge/Resturlaub, aktueller Monat für Soll/Ist
     final prev = DateTime(month.year, month.month - 1, 1);
     final prevLabel = monthTitle(prev);
-    final curLabel  = monthLabel;
+    final curLabel = monthLabel;
 
     // Layout-Konstanten
-    const double leftValueWidth  = 120; // Werte-Breite links (rechtsbündig)
+    const double leftValueWidth = 120; // Werte-Breite links (rechtsbündig)
-    const double rightValueWidth = 80;  // Werte-Breite rechts (rechtsbündig)
+    const double rightValueWidth = 80; // Werte-Breite rechts (rechtsbündig)
-    const double colGap          = 24;  // Abstand zwischen Spalten
+    const double colGap = 24; // Abstand zwischen Spalten
-    const double rowGap          = 2;   // Zeilenabstand
+    const double rowGap = 2; // Zeilenabstand
-    const double footerMaxWidth  = 720; // maximale Footer-Breite
+    const double footerMaxWidth = 720; // maximale Footer-Breite
 
-    final labelStyle = TextStyle(fontSize: fontSize, color: Theme.of(context).colorScheme.onSurface);
+    final labelStyle = TextStyle(
+        fontSize: fontSize, color: Theme.of(context).colorScheme.onSurface);
     final valueStyle = TextStyle(
       fontSize: fontSize,
       fontFeatures: const [FontFeature.tabularFigures()],
@@ -1097,7 +1264,8 @@ class _MonthlySummaryFooter extends StatelessWidget {
               width: leftValueWidth,
               child: Align(
                 alignment: Alignment.centerRight,
-                child: Text(value, style: valueStyle, textAlign: TextAlign.right),
+                child:
+                    Text(value, style: valueStyle, textAlign: TextAlign.right),
               ),
             ),
           ],
@@ -1116,7 +1284,8 @@ class _MonthlySummaryFooter extends StatelessWidget {
               width: rightValueWidth,
               child: Align(
                 alignment: Alignment.centerRight,
-                child: Text(value, style: valueStyle, textAlign: TextAlign.right),
+                child:
+                    Text(value, style: valueStyle, textAlign: TextAlign.right),
               ),
             ),
             const SizedBox(width: 12),
@@ -1158,7 +1327,8 @@ class _MonthlySummaryFooter extends StatelessWidget {
               Expanded(
                 child: Column(
                   mainAxisSize: MainAxisSize.min,
-                  children: rightItems.map((e) => rightRow(e.$1, e.$2)).toList(),
+                  children:
+                      rightItems.map((e) => rightRow(e.$1, e.$2)).toList(),
                 ),
               ),
             ],

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,10 @@
 import FlutterMacOS
 import Foundation
 
+import file_picker
+import path_provider_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FilePickerPlugin.register(with: registry.registrar(forPlugin: "FilePickerPlugin"))
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
 }

pubspec.lock

@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: d0481093c50b1da8910eb0bb301626d4d8eb7284aa739614d2b394ee09e3ea04
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
   async:
     dependency: transitive
     description:
@@ -41,6 +49,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "7caf6a750a0c04effbb52a676dce9a4a592e10ad35c34d6d2d0e4811160d5670"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.4+2"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -49,6 +65,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      sha256: "79e0c23480ff85dc68de79e2cd6334add97e48f7f4865d17686dd6ea81a47e8c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.11"
   fake_async:
     dependency: transitive
     description:
@@ -57,6 +81,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "16ed7b077ef01ad6170a3d0c57caa4a112a38d7a2ed5602e0aca9ca6f3d98da6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  file_picker:
+    dependency: "direct main"
+    description:
+      name: file_picker
+      sha256: f2d9f173c2c14635cc0e9b14c143c49ef30b4934e8d1d274d6206fcb0086a06f
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.3.3"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -70,11 +110,24 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.0.0"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      sha256: "1c2b787f99bdca1f3718543f81d38aa1b124817dfeb9fb196201bea85b6134bf"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.26"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   http:
     dependency: "direct main"
     description:
@@ -147,6 +200,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.15.0"
+  open_filex:
+    dependency: "direct main"
+    description:
+      name: open_filex
+      sha256: "9976da61b6a72302cf3b1efbce259200cd40232643a467aac7370addf94d6900"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.7.0"
   path:
     dependency: transitive
     description:
@@ -155,6 +216,78 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.5"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "4adf4fd5423ec60a29506c76581bc05854c55e3a0b72d35bb28d661c9686edf2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.15"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "4843174df4d288f5e29185bd6e72a6fbdf5a4a4602717eed565497429f179942"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: c15605cd28af66339f8eb6fbe0e541bfe2d1b72d5825efc6598f3e0a31b9ad27
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.2"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.6"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -240,6 +373,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: daf97c9d80197ed7b619040e86c8ab9a9dad285e7671ee7390f9180cc828a51e
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.10.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: b015a8ad1c488f66851d762d3090a21c600e479dc75e68328c52774040cf9226
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.5.0"
 sdks:
   dart: ">=3.5.4 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.24.0"

pubspec.yaml

@@ -35,7 +35,10 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
-  http: ^1.5.0
+  http: any
+  path_provider: any
+  open_filex: any
+  file_picker: any
 
 dev_dependencies:
   flutter_test: