feat: add swipe action to refresh report screen

lib/screens/report_screen.dart

@@ -1,7 +1,6 @@
 import 'dart:developer';
 
 import 'package:fl_chart/fl_chart.dart';
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
 import 'package:flutter_slidable/flutter_slidable.dart';
@@ -16,14 +15,12 @@ DateTime unixSecondsToDateTime(int ts) =>
     DateTime.fromMillisecondsSinceEpoch(ts * 1000, isUtc: true).toLocal();
 
 extension TimeEntryFormatting on TimeEntry {
-  /// Konvertiert den startTime (Unix Timestamp) in ein lokales DateTime Objekt.
   DateTime get startDateTime =>
       DateTime.fromMillisecondsSinceEpoch(
         startTime.toInt() * 1000,
         isUtc: true,
       ).toLocal();
 
-  /// Konvertiert den optionalen endTime (Unix Timestamp) in ein lokales DateTime Objekt.
   DateTime? get endDateTime =>
       endTime == null
           ? null
@@ -32,7 +29,6 @@ extension TimeEntryFormatting on TimeEntry {
             isUtc: true,
           ).toLocal();
 
-  /// Formatiert die Dauer (durationSecs) als HH:MM:SS String.
   String get durationFormatted {
     final durationInSeconds = durationSecs?.toInt();
     if (durationInSeconds == null || durationInSeconds < 0) return '--:--:--';
@@ -47,7 +43,6 @@ extension TimeEntryFormatting on TimeEntry {
 }
 
 extension ReportDataFormatting on ReportData {
-  /// Formatiert die Gesamtdauer als HH:MM:SS String.
   String get totalDurationFormatted {
     final durationInSeconds = totalDurationSecs.toInt();
     if (durationInSeconds < 0) return '--:--:--';
@@ -99,8 +94,9 @@ class _ReportScreenState extends State<ReportScreen> {
     final Map<DateTime, Map<String, Duration>> dailyTagDurations = {};
 
     for (final entry in entries) {
-      if (entry.durationSecs == null || entry.durationSecs!.toInt() <= 0)
+      if (entry.durationSecs == null || entry.durationSecs!.toInt() <= 0) {
         continue;
+      }
 
       final entryDay = DateTime(
         entry.startDateTime.year,
@@ -393,14 +389,24 @@ class _ReportScreenState extends State<ReportScreen> {
         children: [
           _buildFilterControls(tagOptions),
           Expanded(
-            child:
+            child: RefreshIndicator.adaptive(
-                _isLoadingReport
+              onRefresh: _generateReport,
-                    ? Center(child: PlatformCircularProgressIndicator())
+              child:
-                    : _reportData == null
+                  _isLoadingReport
-                    ? const Center(
+                      ? Center(child: PlatformCircularProgressIndicator())
-                      child: Text('Keine Reportdaten gefunden oder Fehler.'),
+                      : _reportData == null
-                    )
+                      ? ListView(
-                    : _buildReportView(),
+                        children: [
+                          SizedBox(
+                            height: MediaQuery.of(context).size.height * 0.5,
+                            child: Text(
+                              'Keine Reportdaten gefunden oder Fehler.',
+                            ),
+                          ),
+                        ],
+                      )
+                      : _buildReportView(),
+            ),
           ),
         ],
       ),
@@ -487,8 +493,6 @@ class _ReportScreenState extends State<ReportScreen> {
             ),
           ),
         ),
-        // SizedBox(height: 250, child: _buildPieChart(_reportData!)),
-        // const Divider(),
         SizedBox(
           height: 250,
           child: _buildBarChart(_reportData!, startDate, endDate),
@@ -512,103 +516,6 @@ class _ReportScreenState extends State<ReportScreen> {
     );
   }
 
-  Widget _buildPieChart(ReportData data) {
-    Map<String, double> durationPerTag = {};
-    for (var entry in data.entries) {
-      final tagName = entry.tagName ?? 'Ohne Tag';
-      final duration = (entry.durationSecs?.toInt() ?? 0).toDouble();
-      durationPerTag[tagName] = (durationPerTag[tagName] ?? 0) + duration;
-    }
-
-    if (durationPerTag.isEmpty) {
-      return const Center(child: Text("Keine Daten für Chart"));
-    }
-
-    List<Color> colors = Colors.primaries.take(durationPerTag.length).toList();
-    if (durationPerTag.length > Colors.primaries.length) {
-      colors.addAll(
-        Colors.accents.take(durationPerTag.length - Colors.primaries.length),
-      );
-    }
-
-    int colorIndex = 0;
-    List<PieChartSectionData> sections =
-        durationPerTag.entries.map((entry) {
-          final isTouched = false;
-          final fontSize = isTouched ? 18.0 : 14.0;
-          final radius = isTouched ? 60.0 : 50.0;
-          final color = colors[colorIndex % colors.length];
-          colorIndex++;
-
-          final hours = (entry.value / 3600).toStringAsFixed(1);
-
-          return PieChartSectionData(
-            color: color,
-            value: entry.value,
-            title: '${entry.key}\n${hours}h',
-            radius: radius,
-            titleStyle: TextStyle(
-              fontSize: fontSize,
-              fontWeight: FontWeight.bold,
-              color: Colors.white,
-              shadows: [
-                Shadow(color: Colors.black.withOpacity(0.7), blurRadius: 2),
-              ],
-            ),
-            titlePositionPercentageOffset: 0.6,
-          );
-        }).toList();
-
-    return Padding(
-      padding: const EdgeInsets.all(8.0),
-      child: PieChart(
-        PieChartData(
-          sections: sections,
-          centerSpaceRadius: 40,
-          sectionsSpace: 2,
-        ),
-        duration: const Duration(milliseconds: 150),
-        curve: Curves.linear,
-      ),
-    );
-  }
-
-  // Widget _buildDataTable(List<TimeEntry> entries) {
-  //   final DateFormat timeFormatter = DateFormat('HH:mm:ss');
-  //   final DateFormat dateFormatter = DateFormat('dd.MM.yy');
-
-  //   return DataTable(
-  //     columnSpacing: 10,
-  //     columns: [
-  //       DataColumn(label: PlatformText('Tag')),
-  //       DataColumn(label: PlatformText('Start')),
-  //       DataColumn(label: PlatformText('Ende')),
-  //       DataColumn(label: PlatformText('Dauer'), numeric: true),
-  //     ],
-  //     rows:
-  //         entries.map((entry) {
-  //           return DataRow(
-  //             cells: [
-  //               DataCell(PlatformText(entry.tagName ?? '-')),
-  //               DataCell(
-  //                 PlatformText(
-  //                   '${dateFormatter.format(unixSecondsToDateTime(entry.startTime))}\n${timeFormatter.format(unixSecondsToDateTime(entry.startTime))}',
-  //                 ),
-  //               ),
-  //               DataCell(
-  //                 entry.endTime != null
-  //                     ? PlatformText(
-  //                       '${dateFormatter.format(unixSecondsToDateTime(entry.endTime!))}\n${timeFormatter.format(unixSecondsToDateTime(entry.endTime!))}',
-  //                     )
-  //                     : PlatformText('-'),
-  //               ),
-  //               DataCell(Text(entry.durationFormatted)),
-  //             ],
-  //           );
-  //         }).toList(),
-  //   );
-  // }
-
   void _confirmAndDeleteEntry(TimeEntry entry, BuildContext context) {
     showPlatformDialog(
       context: context,
@@ -855,10 +762,7 @@ class _ReportScreenState extends State<ReportScreen> {
             actions: <Widget>[
               PlatformDialogAction(
                 child: PlatformText('OK'),
-                onPressed:
+                onPressed: () => Navigator.pop(dialogContext),
-                    () => Navigator.pop(
-                      dialogContext,
-                    ), // Pop using dialog's context
               ),
             ],
           ),