public async Task DeleteAsync(S3FolderKey folderKey)
{
if (folderKey == null)
{
throw new ArgumentNullException(nameof(folderKey));
}
var fileKeys = (await _batchRepositoryReader.GetAllKeysAsync(folderKey)).ToList();
while (fileKeys.Any())
{
var requests = CreateRequests(fileKeys, folderKey);
var tasks = requests.Select(request => AmazonS3.DeleteObjectsAsync(request));
await tasks.ThrottleAsync(MaxConcurrentTasks);
//request for keys again, because sometimes some files are still not deleted
fileKeys = (await _batchRepositoryReader.GetAllKeysAsync(folderKey)).ToList();
}
}