Add shared export infrastructure

LehrerApp.Desktop/Views/Groups/ExamEvaluationDialog.axaml.cs

@@ -1,7 +1,8 @@
 using Avalonia.Controls;
 using Avalonia.Interactivity;
-using Avalonia.Platform.Storage;
+using LehrerApp.Desktop.Services;
 using LehrerApp.Desktop.ViewModels.Groups;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace LehrerApp.Desktop.Views.Groups;
 
@@ -15,15 +16,9 @@ public partial class ExamEvaluationDialog : Window
         var topLevel = TopLevel.GetTopLevel(this);
         if (topLevel is null) return;
 
-        var file = await topLevel.StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
-        {
-            Title             = "Klausurauswertung exportieren",
-            SuggestedFileName = $"Auswertung_{vm.ExamTitle}.csv",
-            FileTypeChoices   = [new FilePickerFileType("CSV-Dateien") { Patterns = ["*.csv"] }],
-        });
-
-        if (file is null) return;
-        await File.WriteAllTextAsync(file.Path.LocalPath, vm.ExportCsv());
+        var export = ExportFile.Csv("Klausurauswertung exportieren",
+            $"Auswertung_{vm.ExamTitle}.csv", vm.ExportCsv());
+        await App.Services.GetRequiredService<ExportService>().SaveAsync(topLevel.StorageProvider, export);
     }
 
     private void OnClose(object? sender, RoutedEventArgs e) => Close();

LehrerApp.Desktop/Views/Groups/ReportGradeDialog.axaml.cs

@@ -1,7 +1,8 @@
 using Avalonia.Controls;
 using Avalonia.Interactivity;
-using Avalonia.Platform.Storage;
+using LehrerApp.Desktop.Services;
 using LehrerApp.Desktop.ViewModels.Groups;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace LehrerApp.Desktop.Views.Groups;
 
@@ -15,15 +16,9 @@ public partial class ReportGradeDialog : Window
         var topLevel = TopLevel.GetTopLevel(this);
         if (topLevel is null) return;
 
-        var file = await topLevel.StorageProvider.SaveFilePickerAsync(new FilePickerSaveOptions
-        {
-            Title             = "Zeugnisnoten exportieren",
-            SuggestedFileName = $"Zeugnisnoten_{vm.GroupLabel}.csv",
-            FileTypeChoices   = [new FilePickerFileType("CSV-Dateien") { Patterns = ["*.csv"] }],
-        });
-
-        if (file is null) return;
-        await File.WriteAllTextAsync(file.Path.LocalPath, vm.ExportCsv());
+        var export = ExportFile.Csv("Zeugnisnoten exportieren",
+            $"Zeugnisnoten_{vm.GroupLabel}.csv", vm.ExportCsv());
+        await App.Services.GetRequiredService<ExportService>().SaveAsync(topLevel.StorageProvider, export);
     }
 
     private void OnClose(object? sender, RoutedEventArgs e) => Close();

LehrerApp.Desktop/Views/Workload/WorkloadEvaluationView.axaml

@@ -7,12 +7,14 @@
     <StackPanel Margin="20,16" Spacing="16">
 
       <!-- Zeitraum -->
-      <Grid ColumnDefinitions="Auto,Auto,Auto" HorizontalAlignment="Left">
+      <Grid ColumnDefinitions="Auto,Auto,Auto,Auto" HorizontalAlignment="Left">
         <ComboBox Grid.Column="0" ItemsSource="{Binding PeriodModeOptions}"
                   SelectedItem="{Binding PeriodMode}" Margin="0,0,8,0"/>
         <ComboBox Grid.Column="1" ItemsSource="{Binding MonthOptions}" SelectedItem="{Binding SelectedMonth}"
                   Margin="0,0,8,0" IsVisible="{Binding IsMonthMode}"/>
         <ComboBox Grid.Column="2" ItemsSource="{Binding YearOptions}" SelectedItem="{Binding SelectedYear}"/>
+        <Button Grid.Column="3" Content="Als CSV exportieren" Margin="16,0,0,0"
+                Click="OnExportClick"/>
       </Grid>
 
       <!-- Pflichtstunden (6.3.2) -->

LehrerApp.Desktop/Views/Workload/WorkloadEvaluationView.axaml.cs

@@ -1,8 +1,23 @@
 using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LehrerApp.Desktop.Services;
+using LehrerApp.Desktop.ViewModels.Workload;
+using Microsoft.Extensions.DependencyInjection;
 
 namespace LehrerApp.Desktop.Views.Workload;
 
 public partial class WorkloadEvaluationView : UserControl
 {
     public WorkloadEvaluationView() => InitializeComponent();
+
+    private async void OnExportClick(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is not WorkloadEvaluationViewModel vm) return;
+        var topLevel = TopLevel.GetTopLevel(this);
+        if (topLevel is null) return;
+
+        var export = ExportFile.Csv("Arbeitszeitauswertung exportieren",
+            vm.ExportSuggestedFileName, vm.ExportCsv());
+        await App.Services.GetRequiredService<ExportService>().SaveAsync(topLevel.StorageProvider, export);
+    }
 }