private async Task <UploadJob> CreateNewJob()
{
//initialize new upload
var job = await _client.InitializeAsync(State.ContainerName, _fileInfo.FullName);
job.TotalSize = _fileInfo.Length;
job.FilePath = _fileInfo.FullName;
//update manifest to indicate progress
State.UploadId = job.UploadId;
State.Status = JobStatus.InProgress.ToString();
State.ChunkHashes = job.ChunkChecksums;
State.ChunkSize = job.ChunkSize;
return(job);
}