private async void MessageSaveExecute(Message message)
{
var result = message.GetFileAndName(true);
var file = result.File;
if (file == null || !file.Local.IsDownloadingCompleted)
{
return;
}
var cached = await ProtoService.GetFileAsync(file);
if (cached == null)
{
return;
}
var fileName = result.FileName;
if (string.IsNullOrEmpty(fileName))
{
fileName = System.IO.Path.GetFileName(file.Local.Path);
}
var clean = ProtoService.Execute(new CleanFileName(fileName));
if (clean is Text text && !string.IsNullOrEmpty(text.TextValue))
{
fileName = text.TextValue;
}
var extension = System.IO.Path.GetExtension(fileName);
if (string.IsNullOrEmpty(extension))
{
extension = ".dat";
}
var picker = new FileSavePicker();
picker.FileTypeChoices.Add($"{extension.TrimStart('.').ToUpper()} File", new[] { extension });
picker.SuggestedStartLocation = PickerLocationId.Downloads;
picker.SuggestedFileName = fileName;
try
{
var picked = await picker.PickSaveFileAsync();
if (picked != null)
{
await cached.CopyAndReplaceAsync(picked);
}
}
catch { }
}
