private async Task <bool> TryAddItemToArchiveAsync(ZipArchive archive, Microsoft.Graph.DriveItem item, string baseUrl, string accessToken)
{
bool failure = false;
var zipEntry = archive.CreateEntry(item.Name);
zipEntry.LastWriteTime = item.LastModifiedDateTime.Value;
using (var entryStream = zipEntry.Open())
{
try
{
var itemContentUrl = ActionHelpers.BuildApiUrl(baseUrl, item.ParentReference.DriveId, item.Id, "content");
var contentStream = await HttpHelper.Default.GetStreamContentForUrlAsync(itemContentUrl, accessToken);
await contentStream.CopyToAsync(entryStream);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("Error copying data into file stream: " + ex.ToString());
failure = true;
}
}
if (failure)
{
zipEntry.Delete();
}
return(!failure);
}
