private SortedDictionary <long, CloudBlob> GetVerBlobs(CloudBlobContainer cloudBlobContainer, IEnumerable <IListBlobItem> blobItems)
{
SortedDictionary <long, CloudBlob> verBlobs = new SortedDictionary <long, CloudBlob>();
foreach (IListBlobItem blobItem in blobItems)
{
var blob = cloudBlobContainer.GetBlobReference(blobItem.Uri.ToString());
string name = blob.Name;
if (name.Contains(VersionPrefix))
{
string version = name.Split(VersionPrefix.ToCharArray()).LastOrDefault();
if (!string.IsNullOrEmpty(version))
{
long versionNumber = 0;
if (long.TryParse(version.Replace(".", ""), out versionNumber))
{
verBlobs.Add(versionNumber, blob);
}
}
}
}
return(verBlobs);
}
public List <string> GetVersions(CloudBlobContainer cloudBlobContainer)
{
IEnumerable <IListBlobItem> blobItems = cloudBlobContainer.ListBlobs();
SortedDictionary <long, CloudBlob> verBlobs = GetVerBlobs(cloudBlobContainer, blobItems);
List <string> versions = new List <string>();
foreach (var blob in verBlobs.Values)
{
if (blob.Name.Contains(VersionPrefix))
{
versions.Add(blob.Name.Split(VersionPrefix.ToCharArray()).LastOrDefault());
}
}
return(versions);
}