feat: add student master data import

2026-08-17 13:12:03 +02:00
parent 9286bfa3b5
commit 37f4fee574
18 changed files with 2359 additions and 13 deletions
@@ -75,13 +75,14 @@
                    <TextBox Text="{Binding LetterSalutation}"
                             PlaceholderText="Briefanrede, z.B. Sehr geehrte Frau Mustermann,"
                             FontSize="12"/>
-                    <!-- Zeile 2: Telefon + E-Mail -->
+                    <!-- Zeile 2: Telefon + Mobiltelefon -->
                    <Grid ColumnDefinitions="*,10,*">
                      <TextBox Grid.Column="0" Text="{Binding Phone}"
-                               PlaceholderText="Telefon / Handy" FontSize="12"/>
-                      <TextBox Grid.Column="2" Text="{Binding Email}"
-                               PlaceholderText="E-Mail" FontSize="12"/>
+                               PlaceholderText="Festnetz" FontSize="12"/>
+                      <TextBox Grid.Column="2" Text="{Binding MobilePhone}"
+                               PlaceholderText="Mobiltelefon" FontSize="12"/>
                    </Grid>
+                    <TextBox Text="{Binding Email}" PlaceholderText="E-Mail" FontSize="12"/>
                    <!-- Zeile 3: Adresse -->
                    <TextBox Text="{Binding Street}" PlaceholderText="Straße und Hausnummer" FontSize="12"/>
                    <Grid ColumnDefinitions="100,10,*">
@@ -39,14 +39,19 @@
        <Grid ColumnDefinitions="*,10,*">
          <StackPanel Grid.Column="0" Spacing="4">
            <TextBlock Text="Telefon" FontSize="12" Opacity="0.7"/>
-            <TextBox Text="{Binding Phone}" PlaceholderText="Telefon / Handy"/>
+            <TextBox Text="{Binding Phone}" PlaceholderText="Festnetz"/>
          </StackPanel>
          <StackPanel Grid.Column="2" Spacing="4">
-            <TextBlock Text="E-Mail" FontSize="12" Opacity="0.7"/>
-            <TextBox Text="{Binding Email}" PlaceholderText="E-Mail"/>
+            <TextBlock Text="Mobiltelefon" FontSize="12" Opacity="0.7"/>
+            <TextBox Text="{Binding MobilePhone}" PlaceholderText="Mobiltelefon"/>
          </StackPanel>
        </Grid>

+        <StackPanel Spacing="4">
+          <TextBlock Text="E-Mail" FontSize="12" Opacity="0.7"/>
+          <TextBox Text="{Binding Email}" PlaceholderText="E-Mail"/>
+        </StackPanel>
+
        <StackPanel Spacing="8">
          <TextBlock Text="Adresse" FontSize="14" FontWeight="SemiBold"/>
          <TextBox Text="{Binding Street}" PlaceholderText="Straße und Hausnummer"/>
@@ -0,0 +1,103 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="clr-namespace:LehrerApp.Desktop.ViewModels.Students"
+        x:Class="LehrerApp.Desktop.Views.Students.StudentImportDialog"
+        x:DataType="vm:StudentImportDialogViewModel"
+        Title="Schüler importieren"
+        Width="820" Height="760" MinWidth="660" MinHeight="580"
+        CanResize="True" WindowStartupLocation="CenterOwner">
+  <Grid RowDefinitions="Auto,*,Auto" Margin="24,20">
+    <StackPanel Grid.Row="0" Spacing="9">
+      <TextBlock Text="Schülerimport prüfen" Classes="dialogtitle"/>
+      <TextBlock Text="{Binding FileName}" FontWeight="SemiBold"/>
+      <TextBlock Text="{Binding FormatName}" FontSize="12" Opacity="0.65"/>
+
+      <Border Background="#143B82F6" CornerRadius="6" Padding="12,10">
+        <StackPanel Spacing="4">
+          <TextBlock Text="{Binding Summary}" FontWeight="SemiBold"/>
+          <TextBlock Text="{Binding GroupSummary}" FontSize="12" TextWrapping="Wrap"/>
+          <TextBlock Text="Vorhandene Werte bleiben erhalten; nur leere Stammdaten werden ergänzt."
+                     FontSize="12" Opacity="0.75" TextWrapping="Wrap"/>
+        </StackPanel>
+      </Border>
+
+      <ScrollViewer MaxHeight="130" IsVisible="{Binding HasMessages}">
+        <ItemsControl ItemsSource="{Binding Messages}">
+          <ItemsControl.ItemTemplate>
+            <DataTemplate x:DataType="vm:StudentImportMessageItem">
+              <TextBlock Text="{Binding Display}" Foreground="{Binding Foreground}"
+                         TextWrapping="Wrap" FontSize="12" Margin="0,1"/>
+            </DataTemplate>
+          </ItemsControl.ItemTemplate>
+        </ItemsControl>
+      </ScrollViewer>
+    </StackPanel>
+
+    <Grid Grid.Row="1" RowDefinitions="Auto,*" Margin="0,16,0,0">
+      <TextBlock Grid.Row="0" Text="Entscheidungen" FontSize="15" FontWeight="SemiBold"
+                 Margin="0,0,0,8" IsVisible="{Binding HasConflicts}"/>
+
+      <Border Grid.Row="1" IsVisible="{Binding IsReadyWithoutConflicts}"
+              Background="#1422A06B" CornerRadius="6" Padding="14"
+              VerticalAlignment="Top">
+        <TextBlock Text="Keine Konflikte – der Import kann angewendet werden."
+                   Foreground="#16845B" FontWeight="SemiBold"/>
+      </Border>
+
+      <Border Grid.Row="1" IsVisible="{Binding HasBlockingErrors}"
+              Background="#14C62828" CornerRadius="6" Padding="14"
+              VerticalAlignment="Top">
+        <TextBlock Text="Die Datei enthält Fehler. Bitte korrigiere sie und starte den Import erneut."
+                   Foreground="#C62828" FontWeight="SemiBold" TextWrapping="Wrap"/>
+      </Border>
+
+      <ScrollViewer Grid.Row="1" IsVisible="{Binding HasConflicts}">
+        <ItemsControl ItemsSource="{Binding Conflicts}">
+          <ItemsControl.ItemTemplate>
+            <DataTemplate x:DataType="vm:StudentImportConflictItem">
+              <Border BorderBrush="{DynamicResource SystemControlForegroundBaseLowBrush}"
+                      BorderThickness="1" CornerRadius="6" Padding="12" Margin="0,0,0,10">
+                <StackPanel Spacing="7">
+                  <Grid ColumnDefinitions="*,Auto">
+                    <TextBlock Grid.Column="0" Text="{Binding Title}" FontWeight="SemiBold"/>
+                    <TextBlock Grid.Column="1" Text="{Binding SourceReference}" FontSize="11" Opacity="0.55"/>
+                  </Grid>
+                  <TextBlock Text="{Binding Description}" TextWrapping="Wrap" FontSize="12" Opacity="0.75"/>
+                  <Grid ColumnDefinitions="100,*" RowDefinitions="Auto,Auto">
+                    <TextBlock Grid.Row="0" Grid.Column="0" Text="Importiert:" FontSize="12" Opacity="0.6"/>
+                    <TextBlock Grid.Row="0" Grid.Column="1" Text="{Binding ImportedValue}" TextWrapping="Wrap" FontSize="12"/>
+                    <TextBlock Grid.Row="1" Grid.Column="0" Text="Vorhanden:" FontSize="12" Opacity="0.6"
+                               IsVisible="{Binding ExistingValue, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
+                    <TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding ExistingValue}" TextWrapping="Wrap" FontSize="12"/>
+                  </Grid>
+                  <ComboBox ItemsSource="{Binding Options}" SelectedItem="{Binding SelectedOption}"
+                            HorizontalAlignment="Stretch">
+                    <ComboBox.ItemTemplate>
+                      <DataTemplate x:DataType="vm:StudentImportConflictOptionItem">
+                        <StackPanel Spacing="2">
+                          <TextBlock Text="{Binding Label}"/>
+                          <TextBlock Text="{Binding Description}" FontSize="11" Opacity="0.6"
+                                     TextWrapping="Wrap"/>
+                        </StackPanel>
+                      </DataTemplate>
+                    </ComboBox.ItemTemplate>
+                  </ComboBox>
+                </StackPanel>
+              </Border>
+            </DataTemplate>
+          </ItemsControl.ItemTemplate>
+        </ItemsControl>
+      </ScrollViewer>
+    </Grid>
+
+    <StackPanel Grid.Row="2" Spacing="10" Margin="0,14,0,0">
+      <TextBlock Text="{Binding Error}" Foreground="#C62828" TextWrapping="Wrap"
+                 IsVisible="{Binding Error, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
+      <Grid ColumnDefinitions="*,10,*">
+        <Button Grid.Column="0" Content="Abbrechen" HorizontalAlignment="Stretch" Click="OnCancel"/>
+        <Button Grid.Column="2" Content="Import anwenden" HorizontalAlignment="Stretch"
+                IsEnabled="{Binding CanApply}" Click="OnApply"/>
+      </Grid>
+    </StackPanel>
+  </Grid>
+</Window>
@@ -0,0 +1,18 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LehrerApp.Desktop.ViewModels.Students;
+
+namespace LehrerApp.Desktop.Views.Students;
+
+public partial class StudentImportDialog : Window
+{
+    public StudentImportDialog() => InitializeComponent();
+
+    private async void OnApply(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is StudentImportDialogViewModel vm && await vm.TryApplyAsync())
+            Close(true);
+    }
+
+    private void OnCancel(object? sender, RoutedEventArgs e) => Close(false);
+}
@@ -8,12 +8,14 @@
    <Border Grid.Row="0" Padding="20,16"
            BorderBrush="{DynamicResource SystemControlForegroundBaseLowBrush}"
            BorderThickness="0,0,0,1">
-      <Grid ColumnDefinitions="*,Auto,Auto">
+      <Grid ColumnDefinitions="*,Auto,Auto,Auto">
        <shared:PageHeader Grid.Column="0" Title="Schüler" Subtitle="{Binding CountSummary}"/>
        <CheckBox Grid.Column="1" Content="Inaktive anzeigen"
                  IsChecked="{Binding ShowInactive}"
                  VerticalAlignment="Center" Margin="0,0,12,0"/>
-        <Button Grid.Column="2" Content="＋ Neuer Schüler"
+        <Button Grid.Column="2" Content="⇩ Importieren…" Click="OnImportClick"
+                VerticalAlignment="Center" Margin="0,0,8,0"/>
+        <Button Grid.Column="3" Content="＋ Neuer Schüler"
                Command="{Binding AddStudentCommand}" VerticalAlignment="Center"/>
      </Grid>
    </Border>
@@ -1,3 +1,71 @@
 using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
+using LehrerApp.Core.Importing;
+using LehrerApp.Core.Services;
+using LehrerApp.Desktop.Services;
+using LehrerApp.Desktop.ViewModels.Students;
+using Microsoft.Extensions.DependencyInjection;
+
 namespace LehrerApp.Desktop.Views.Students;
-public partial class StudentListView : UserControl { public StudentListView() => InitializeComponent(); }
+
+public partial class StudentListView : UserControl
+{
+    private const int MaximumImportFileSize = 20 * 1024 * 1024;
+
+    public StudentListView() => InitializeComponent();
+
+    private async void OnImportClick(object? sender, RoutedEventArgs e)
+    {
+        var owner = TopLevel.GetTopLevel(this) as Window;
+        if (owner is null || DataContext is not StudentListViewModel list) return;
+
+        var service = App.Services.GetRequiredService<StudentImportService>();
+        var patterns = service.SupportedExtensions.Select(extension => $"*{extension}").ToArray();
+        var files = await owner.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+        {
+            Title = "Schüler-Stammdaten importieren",
+            AllowMultiple = false,
+            FileTypeFilter =
+            [
+                new FilePickerFileType("Unterstützte Schülerlisten")
+                {
+                    Patterns = patterns.Length > 0 ? patterns : ["*.csv"],
+                },
+            ],
+        });
+        if (files.Count == 0) return;
+
+        try
+        {
+            await using var source = await files[0].OpenReadAsync();
+            if (source.CanSeek && source.Length > MaximumImportFileSize)
+                throw new InvalidDataException("Die Importdatei ist größer als 20 MB.");
+
+            using var buffer = new MemoryStream();
+            await source.CopyToAsync(buffer);
+            if (buffer.Length > MaximumImportFileSize)
+                throw new InvalidDataException("Die Importdatei ist größer als 20 MB.");
+
+            var importFile = new ImportFile(files[0].Name, buffer.ToArray());
+            var preview = await Task.Run(async () =>
+                await service.AnalyzeAsync(importFile).ConfigureAwait(false));
+            var dialogVm = new StudentImportDialogViewModel(service, preview, files[0].Name);
+            var dialog = new StudentImportDialog { DataContext = dialogVm };
+            if (!await dialog.ShowDialog<bool>(owner)) return;
+
+            list.LoadStudents();
+            var result = dialogVm.Result!;
+            App.Services.GetRequiredService<NotificationService>().ShowSuccess(
+                $"Import abgeschlossen: {result.CreatedStudents} neu, {result.UpdatedStudents} ergänzt, "
+                + $"{result.CreatedMemberships} Gruppenzuordnungen.");
+        }
+        catch (Exception ex) when (ex is ImportFormatException
+                                   or InvalidDataException
+                                   or IOException
+                                   or UnauthorizedAccessException)
+        {
+            App.Services.GetRequiredService<NotificationService>().ShowError(ex.Message);
+        }
+    }
+}