public async Task UploadFileAsync(MobileServiceFileMetadata metadata, IMobileServiceFileDataSource dataSource, StorageToken storageToken)
{
CloudBlockBlob blob = GetBlobReference(storageToken, metadata.FileName);
using (var stream = await dataSource.GetStream())
{
await blob.UploadFromStreamAsync(stream);
metadata.LastModified = blob.Properties.LastModified;
metadata.FileStoreUri = blob.Uri.LocalPath;
stream.Position = 0;
metadata.ContentMD5 = GetMD5Hash(stream);
}
}
private CloudBlockBlob GetBlobReference(StorageToken token, string fileName)
{
CloudBlockBlob blob = null;
if (token.Scope == StorageTokenScope.File)
{
blob = new CloudBlockBlob(new Uri(token.ResourceUri, token.RawToken));
}
else if (token.Scope == StorageTokenScope.Record)
{
var container = new CloudBlobContainer(new Uri(token.ResourceUri, token.RawToken));
blob = container.GetBlockBlobReference(fileName);
}
return blob;
}
public Task<Uri> GetFileUriAsync(StorageToken storageToken, string fileName)
{
CloudBlockBlob blob = GetBlobReference(storageToken, fileName);
return Task.FromResult(new Uri(blob.Uri, storageToken.RawToken));
}
public async Task DownloadFileToStreamAsync(MobileServiceFile file, Stream stream, StorageToken storageToken)
{
CloudBlockBlob blob = GetBlobReference(storageToken, file.Name);
await blob.DownloadToStreamAsync(stream);
}
