public IActionResult CreateBlob()
{
// Create a file in your local MyDocuments folder to upload to a blob.
string localPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string localFileName = "naveed-blob-poc_" + Guid.NewGuid().ToString() + ".txt";
string sourceFile = Path.Combine(localPath, localFileName);
// Write text to the file.
var writer = new System.IO.StreamWriter(localFileName);
writer.WriteLine("POC test Data: " + Guid.NewGuid());
writer.Dispose();
// Get a reference to the blob address, then upload the file to the blob.
// Use the value of localFileName for the blob name.
CloudBlockBlob cloudBlockBlob = _cloudBlobContainer.GetBlockBlobReference(localFileName);
cloudBlockBlob.UploadFromFileAsync(sourceFile);
BlobEntry response = new BlobEntry()
{
BlobContainer = _cloudBlobContainer.Name,
FileName = localFileName,
Action = "Upload"
};
return(Ok(response));
}
public IActionResult DownloadBlob(Guid blobId)
{
var localPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var localFileName = "naveed-blob-poc_" + blobId + ".txt";
var sourceFile = Path.Combine(localPath, localFileName);
var destinationFile = sourceFile.Replace(".txt", "_DOWNLOADED.txt");
CloudBlockBlob cloudBlockBlob = _cloudBlobContainer.GetBlockBlobReference(localFileName);
cloudBlockBlob.DownloadToFileAsync(destinationFile, FileMode.Create);
BlobEntry response = new BlobEntry()
{
BlobContainer = _cloudBlobContainer.Name,
FileName = localFileName,
Action = "Download"
};
return(Ok(response));
}
protected virtual EntryState GetItemState(BlobEntry blobInfo, DateTime?changedSince, IList <ThumbnailOption> options)
{
if (!changedSince.HasValue)
{
return(EntryState.Added);
}
foreach (var option in options)
{
if (!ExistsAsync(blobInfo.Url.GenerateThumbnailName(option.FileSuffix)).GetAwaiter().GetResult())
{
return(EntryState.Added);
}
}
if (blobInfo.ModifiedDate.HasValue && blobInfo.ModifiedDate >= changedSince)
{
return(EntryState.Modified);
}
return(EntryState.Unchanged);
}