/// <summary>
/// Gets all the blob names, then filters by prefix optionally
/// </summary>
public async Task <IEnumerable <BlobId> > ListAsync(ListOptions options, CancellationToken cancellationToken)
{
if (options == null)
{
options = new ListOptions();
}
var browser = new AzureBlobDirectoryBrowser(_blobContainer);
return(await browser.ListFolder(options, cancellationToken));
}
private async Task ListAsync(CloudBlobContainer container, CloudBlobContainer fixedContainer,
List <BlobId> result,
ListOptions options,
CancellationToken cancellationToken)
{
var browser = new AzureBlobDirectoryBrowser(container, _fixedContainer == null, options.MaxDegreeOfParalellism);
IReadOnlyCollection <BlobId> containerBlobs = await browser.ListFolderAsync(options, cancellationToken);
if (containerBlobs.Count > 0)
{
result.AddRange(containerBlobs);
}
}
public async Task <IReadOnlyCollection <BlobId> > ListAsync(ListOptions options, CancellationToken cancellationToken = default)
{
if (options == null)
{
options = new ListOptions();
}
var result = new List <BlobId>();
var containers = new List <CloudBlobContainer>();
if (_fixedContainer != null)
{
containers.Add(_fixedContainer);
}
else if (options.FolderPath == null)
{
// list all of the containers
containers.AddRange(await GetCloudBlobContainersAsync(cancellationToken));
//represent containers as folders in the result
result.AddRange(containers.Select(c => new BlobId(c.Name, BlobItemKind.Folder)));
}
else
{
(CloudBlobContainer container, string path) = await GetPartsAsync(options.FolderPath, false);
if (container == null)
{
return(new List <BlobId>());
}
options.FolderPath = path; //scan from subpath now
containers.Add(container);
//add container as search result
result.Add(new BlobId(container.Name, BlobItemKind.Folder));
}
foreach (CloudBlobContainer container in containers)
{
var browser = new AzureBlobDirectoryBrowser(container);
IReadOnlyCollection <BlobId> containerBlobs = await browser.ListFolderAsync(options, cancellationToken);
if (containerBlobs.Count > 0)
{
if (_fixedContainer == null)
{
result.AddRange(containerBlobs.Select(bid => new BlobId(StoragePath.Combine(container.Name, bid.FullPath), bid.Kind)));
}
else
{
result.AddRange(containerBlobs);
}
}
if (options.MaxResults != null && result.Count >= options.MaxResults.Value)
{
break;
}
}
return(result);
}
