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ElwigData: Fail more gracefully when single files may not be processed
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Lorenz Stechauner
2025-09-25 11:40:23 +02:00
parent f9ee2cb120
commit e6fd4c930d
1 changed files with 99 additions and 81 deletions
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20
Elwig/Helpers/Export/ElwigData.cs
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@@ -77,6 +77,7 @@ namespace Elwig.Helpers.Export {
int? DeliveryNum, string? DeliveryFilters)>(); int? DeliveryNum, string? DeliveryFilters)>();
foreach (var filename in filenames) { foreach (var filename in filenames) {
try {
// TODO read encrypted files // TODO read encrypted files
using var zip = ZipFile.Open(filename, ZipArchiveMode.Read); using var zip = ZipFile.Open(filename, ZipArchiveMode.Read);
await zip.CheckIntegrity(); await zip.CheckIntegrity();
@@ -84,7 +85,7 @@ namespace Elwig.Helpers.Export {
var version = zip.GetEntry("version"); var version = zip.GetEntry("version");
using (var reader = new StreamReader(version!.Open(), Utils.UTF8)) { using (var reader = new StreamReader(version!.Open(), Utils.UTF8)) {
if (await reader.ReadToEndAsync() != "elwig:1") if (await reader.ReadToEndAsync() != "elwig:1")
throw new FileFormatException($"Ungültige Export-Datei ({filename})"); throw new FileFormatException($"Ungültige Elwig-Export-Datei ({filename})");
} }
var metaJson = zip.GetEntry("meta.json"); var metaJson = zip.GetEntry("meta.json");
@@ -170,6 +171,23 @@ namespace Elwig.Helpers.Export {
r.Timestamps["delivery"].Add((d.Year, d.DId, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt)); r.Timestamps["delivery"].Add((d.Year, d.DId, timestamps.Value.CreatedAt, timestamps.Value.ModifiedAt));
} }
} }
} catch (Exception exc) when (
exc is InvalidDataException ||
exc is FileFormatException ||
exc is FileNotFoundException ||
exc is IOException) {
var str = $"Die Elwig-Export-Datei '{Path.GetFileName(filename)}' konnte nicht verarbeitet werden und wird übersprungen.\n\n" + exc.Message;
if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
MessageBox.Show(str, "Fehler beim Importieren", MessageBoxButton.OK, MessageBoxImage.Error);
await AddImportedFiles(Path.GetFileName(filename));
} catch (Exception exc) {
var str = $"Die Elwig-Export-Datei '{Path.GetFileName(filename)}' konnte nicht verarbeitet werden. Soll sie in Zukunft übersprungen werden?\n\n" + exc.Message;
if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
var r = MessageBox.Show(str, "Fehler beim Importieren", MessageBoxButton.YesNo, MessageBoxImage.Error, MessageBoxResult.No);
if (r == MessageBoxResult.Yes) {
await AddImportedFiles(Path.GetFileName(filename));
}
}
} }
var importedMembers = new List<(string FileName, string ZwstId, string Device, int New, int Overwritten, int NotImported, string Filters)>(); var importedMembers = new List<(string FileName, string ZwstId, string Device, int New, int Overwritten, int NotImported, string Filters)>();