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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 9d02f18bac
1 changed files with 101 additions and 81 deletions
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36
Elwig/Helpers/Export/ElwigData.cs
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@@ -77,6 +77,14 @@ namespace Elwig.Helpers.Export {
int? DeliveryNum, string? DeliveryFilters)>();
foreach (var filename in filenames) {
try {
data.Add(new([], [], [], [], [], [], [], new([], [], [], [], new() {
["member"] = [],
["area_commitment"] = [],
["delivery"] = [],
})));
var r = data[^1];
// TODO read encrypted files
using var zip = ZipFile.Open(filename, ZipArchiveMode.Read);
await zip.CheckIntegrity();
@@ -84,7 +92,7 @@ namespace Elwig.Helpers.Export {
var version = zip.GetEntry("version");
using (var reader = new StreamReader(version!.Open(), Utils.UTF8)) {
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");
@@ -101,13 +109,6 @@ namespace Elwig.Helpers.Export {
areaComCount, areaComFilters != null ? string.Join(" / ", areaComFilters) : null,
deliveryCount, deliveryFilters != null ? string.Join(" / ", deliveryFilters) : null));
data.Add(new([], [], [], [], [], [], [], new([], [], [], [], new() {
["member"] = [],
["area_commitment"] = [],
["delivery"] = [],
})));
var r = data[^1];
var wbKgsJson = zip.GetEntry("wb_kgs.json");
if (wbKgsJson != null) {
using var reader = new StreamReader(wbKgsJson.Open(), Utils.UTF8);
@@ -170,6 +171,25 @@ namespace Elwig.Helpers.Export {
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) {
data.RemoveAt(data.Count - 1);
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) {
data.RemoveAt(data.Count - 1);
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)>();