Datensicherheit: Backup, Verschlüsselung, App-Sperre (Kapitel 13.3)
Automatisches rollierendes Backup der Datenbank beim Start mit Wiederherstellung über die Einstellungen, versionierte Schema-Migration, optionale Passwort-Verschlüsselung der LiteDB-Datei und eine App-Sperre nach Inaktivität mit eigenem Passwort. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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@@ -1,8 +1,27 @@
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using Avalonia.Controls;
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using Avalonia.Input;
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using LehrerApp.Desktop.ViewModels;
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namespace LehrerApp.Desktop.Views;
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public partial class MainWindow : Window
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{
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public MainWindow() => InitializeComponent();
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public MainWindow()
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{
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InitializeComponent();
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PointerMoved += (_, _) => NotifyActivity();
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PointerPressed += (_, _) => NotifyActivity();
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KeyDown += (_, _) => NotifyActivity();
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}
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private void NotifyActivity()
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{
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if (DataContext is MainWindowViewModel vm) vm.AppLock.NotifyActivity();
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}
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private void OnLockScreenKeyDown(object? sender, KeyEventArgs e)
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{
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if (e.Key == Key.Enter && DataContext is MainWindowViewModel vm)
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vm.AppLock.UnlockCommand.Execute(null);
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}
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}
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