/// <summary>
/// Filters a collection of entities from a filter definition
/// </summary>
/// <param name="prefix">Filter objects by prefix</param>
/// <returns>Filtered collection of entities</returns>
public async Task <IEnumerable <Interfaces.BlobInfo> > FindAsync(string prefix)
{
BlobContinuationToken continuationToken = null;
BlobResultSegment resultSegment = null;
var blobs = new List <Interfaces.BlobInfo>();
do
{
resultSegment = await container.ListBlobsSegmentedAsync(prefix, true, BlobListingDetails.Metadata, null, continuationToken, null, null);
if (resultSegment != null && resultSegment.Results != null)
{
foreach (var cloudBlob in resultSegment.Results)
{
var block = cloudBlob as CloudBlockBlob;
if (block != null)
{
var blob = new Interfaces.BlobInfo();
blob.Id = block.Name;
blob.Size = block.Properties.Length;
blob.Uri = block.Uri;
blobs.Add(blob);
}
}
continuationToken = resultSegment.ContinuationToken;
}
else
{
continuationToken = null;
}
}while (continuationToken != null);
return(blobs);
}
/// <summary>
/// Gets an entity by id.
/// </summary>
/// <param name="id">Filter to find a single item</param>
/// <returns>Entity</returns>
public async Task <Interfaces.BlobInfo> GetByIdAsync(object id)
{
try
{
CloudBlockBlob block = container.GetBlockBlobReference(id.ToString());
await block.FetchAttributesAsync();
var blob = new Interfaces.BlobInfo();
blob.Id = block.Name;
blob.Size = block.Properties.Length;
blob.Uri = block.Uri;
return(blob);
}
catch
{
return(null);
}
}
