public IAsyncAction UploadAsync(IRecord record, string contentType, IInputStream stream)
{
if (record == null)
{
throw new ArgumentNullException("record");
}
return AsyncInfo.Run(cancelToken => Task.Run(async () =>
{
if (string.IsNullOrEmpty(contentType))
{
contentType = HttpStreamer.OctetStreamMimeType;
}
var blobInfo = new BlobInfo(contentType);
await record.PutBlobInItem(Item, blobInfo, stream).AsTask(cancelToken);
}));
}
public IAsyncOperation<ItemKey> PutBlobInItem(RecordItem item, BlobInfo blobInfo, IInputStream source)
{
item.ValidateRequired("item");
return AsyncInfo.Run(
async cancelToken =>
{
Blob blob = await UploadBlob(blobInfo, source).AsTask(cancelToken);
item.AddOrUpdateBlob(blob);
return await UpdateItemAsync(item).AsTask(cancelToken);
}
);
}
public Blob(BlobInfo info, int length, string url) : this()
{
Info = info;
Length = length;
Url = url;
}
public IAsyncOperation<Blob> UploadBlob(BlobInfo blobInfo, IInputStream source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
blobInfo.ValidateRequired("blobInfo");
return AsyncInfo.Run(
async cancelToken =>
{
Stream stream = source.AsStreamForRead();
Uri blobUri =
await
Client.RecordMethods.UploadBlobStreamAsync(
m_recordRef, stream, blobInfo.ContentType, cancelToken);
return new Blob(blobInfo, (int) stream.Length, blobUri.AbsoluteUri);
}
);
}