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Export: Implement exporting and importing of sqlite3 and sql files
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This commit is contained in:
Lorenz Stechauner
2025-09-15 10:53:27 +02:00
parent 4b8cd2a0d7
commit f02598760f
6 changed files with 253 additions and 31 deletions
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56
Elwig/Windows/MainWindow.xaml.cs
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@@ -146,6 +146,48 @@ namespace Elwig.Windows {
Mouse.OverrideCursor = null;
}
private async void Menu_Database_Backup_Click(object sender, RoutedEventArgs evt) {
try {
var d = new SaveFileDialog() {
Title = "Datenbank sichern - Elwig",
FileName = $"database_{Utils.Today:yyyy-MM-dd}.sql.zip",
DefaultExt = "sql.zip",
Filter = "Komprimierte SQL-Datei (*.sql.zip)|*.sql.zip",
};
if (d.ShowDialog() == true) {
Mouse.OverrideCursor = Cursors.Wait;
await Task.Run(async () => {
await Database.ExportSql(d.FileName, true);
});
}
} catch (Exception exc) {
MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
}
Mouse.OverrideCursor = null;
}
private async void Menu_Database_Restore_Click(object sender, RoutedEventArgs evt) {
try {
var d = new OpenFileDialog() {
Title = "Datenbank wiederherstellen - Elwig",
DefaultExt = "sql.zip",
Filter = "SQLite-Datenbank (*.sqlite3, *.sqlite3.zip, *.sql, *.sql.zip)|*.sqlite3;*.sqlite3.zip;*.sql;*.sql.zip",
};
if (d.ShowDialog() == true) {
var res = MessageBox.Show("Soll die Datenbank wirklich unwiederruflich durch die wiederhergestellte Version ersetzt werden?", "Datenbank wiederherstellen",
MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
if (res != MessageBoxResult.OK)
return;
Mouse.OverrideCursor = Cursors.Wait;
await App.ReplaceDatabase(d.FileName);
}
} catch (Exception exc) {
MessageBox.Show(exc.Message, "Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
}
Mouse.OverrideCursor = null;
}
private async void DownloadButton_Click(object sender, RoutedEventArgs evt) {
if (App.Config.SyncUrl == null)
return;
@@ -243,21 +285,23 @@ namespace Elwig.Windows {
await Task.Run(async () => {
try {
var data = await Utils.GetExportMetaData(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
var file = data
var files = data
.Select(f => new {
Name = f!["name"]!.AsValue().GetValue<string>(),
Timestamp = f!["modified"] != null && DateTime.TryParseExact(f!["modified"]!.AsValue().GetValue<string>(), "yyyy-MM-ddTHH:mm:ssK", CultureInfo.InvariantCulture, DateTimeStyles.None, out var dt) ? dt : (DateTime?)null,
Url = f!["url"]!.AsValue().GetValue<string>(),
Size = f!["size"]!.AsValue().GetValue<long>(),
})
.Where(f => f.Name == "database.sqlite3.zip")
.FirstOrDefault();
.Where(f => f.Name.StartsWith("database.") && f.Name.EndsWith(".zip"))
.OrderBy(f => f.Size)
.ToList();
if (file == null) {
if (files.Count == 0) {
MessageBox.Show("Die Datenbank wurde noch nicht vom Hauptgerät hochgeladen!", "Datenbank herunterladen",
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
var file = files[0];
var res = MessageBox.Show($"Es wurde eine komprimierte Datenbank (ca. {file.Size / 1024 / 1024} MB) vom {file.Timestamp:dd.MM.yyyy, HH:mm} gefunden.\n\nWollen Sie wirklich die aktuelle Datenbank unwiederruflich\nlöschen und durch die gefundene ersetzen?\n\nDas kann zu Datenverlust führen!", "Datenbank herunterladen",
MessageBoxButton.OKCancel, MessageBoxImage.Warning, MessageBoxResult.Cancel);
@@ -301,8 +345,8 @@ namespace Elwig.Windows {
Mouse.OverrideCursor = Cursors.Wait;
await Task.Run(async () => {
try {
var path = Path.Combine(App.TempPath, "database.sqlite3.zip");
ElwigData.ExportDatabase(path);
var path = Path.Combine(App.TempPath, "database.sql.zip");
await Database.ExportSql(path, true);
await Utils.UploadExportData(path, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
MessageBox.Show($"Hochladen der gesamten Datenbank erfolgreich!", "Datenbank hochladen",
MessageBoxButton.OK, MessageBoxImage.Information);