//List all foders in the root of the container
public List<Blob> ListFoldersInRootOfContainer(string container)
{
BlobStorage blobStorage = new BlobStorage(container);
string blobPrefix = null;
//Not to list the files in subfolder
bool useFlatBlobListing = false;
var blobs = blobStorage.Container.ListBlobs(blobPrefix, useFlatBlobListing, BlobListingDetails.None);
//To get all the directory
var folders = blobs.Where(b => b as CloudBlobDirectory != null).ToList();
var list = new List<Blob>();
string folderName;
foreach (var folder in folders)
{
var blob = new Blob();
//Get the folder name
folderName = folder.Uri.ToString();
folderName = folderName.Substring(0, folderName.Length - 1);
folderName = folderName.Substring(folderName.LastIndexOf("/") + 1);
//Assign the folder name and Uri
blob.Name = folderName;
blob.Uri = folder.Uri.ToString();
list.Add(blob);
}
//Return the list
return list;
}
//List all files in a specific folder(for example, folder name: a/b/c). return the list of blob info.
public List<Blob> ListFilesInSpecificFolder(string container, string folderName)
{
BlobStorage blobStorage = new BlobStorage(container);
//Add prefix before listing all files
string blobPrefix = folderName + "/";
if (string.IsNullOrEmpty(folderName) || string.IsNullOrWhiteSpace(folderName))
{
blobPrefix = null;
}
//Not to list the files in subfolder
bool useFlatBlobListing = false;
var blobs = blobStorage.Container.ListBlobs(blobPrefix, useFlatBlobListing, BlobListingDetails.None);
//To get all files
var files = blobs.Where(b => b as CloudBlobDirectory == null).ToList();
var list = new List<Blob>();
foreach (var file in files)
{
var blob = new Blob();
//To get blob info
blob.Name = Path.GetFileName(file.Uri.ToString());
blob.Uri = file.Uri.ToString();
list.Add(blob);
}
return list;
}
//Download a specific file, regardless of zip file or not. return the blob info
public Blob DownloadSpecificFile(string container, string folder, string fileName, string downloadFilePath)
{
BlobStorage blobStorage = new BlobStorage(container);
var blob = new Blob();
blob.Name = fileName;
blob.Uri = blobStorage.DownloadBlob(folder + "/" + fileName, downloadFilePath);
return blob;
}
//Upload file to a specific folder. Check whether it is zip file. If it is, unzip it and upload the whole folder.
public bool UploadFileOnSpecificFolder(string container, string filePath, string folderNameInContainer, string FileOrFolderNameInContainer)
{
BlobStorage blobStorage = new BlobStorage(container);
if (string.IsNullOrEmpty(folderNameInContainer) || string.IsNullOrWhiteSpace(folderNameInContainer))
{
return false;
}
if (System.IO.Path.GetExtension(filePath) == ".zip")
{
var unzipedFolderPath = blobStorage.UnZipFiles(filePath);
blobStorage.UploadFolder(container, unzipedFolderPath, folderNameInContainer + "/" + FileOrFolderNameInContainer);
Directory.Delete(unzipedFolderPath, true);
}
else
{
blobStorage.PutBlob(folderNameInContainer + "/" + FileOrFolderNameInContainer, filePath);
}
return true;
}
//Zip a local directory to arhives folder of the container
public void ZipLocalDirectoryToContainer(string container, string directoryPath)
{
ZipFile zf = new ZipFile();
zf.AddDirectory(directoryPath);
var zipFilePath = Path.GetDirectoryName(directoryPath) + Path.GetFileName(directoryPath) + ".zip";
zf.Save(zipFilePath);
zf.Dispose();
var blobName = "archives/" + Path.GetFileName(directoryPath) + ".zip";
var blobStorage = new BlobStorage(container);
blobStorage.PutBlob(blobName, zipFilePath);
}
//Zip an directory from container and zip it, then put it in arhives file. return the blob info
public Blob ZipBlobDirectoryToArchives(string container, string folderNameInContainer)
{
var blobStorage = new BlobStorage(container);
//Use local storage
LocalResource myStorage = RoleEnvironment.GetLocalResource("LocalStorage1");
string filePath = Path.Combine(myStorage.RootPath, folderNameInContainer);
//Download all files to local storage
blobStorage.DownloadToLocalStorage(myStorage, folderNameInContainer, filePath);
//Zip the directory
ZipFile zipFile = new ZipFile();
string zipPath = filePath + ".zip";
zipFile.AddDirectory(filePath);
zipFile.Save(zipPath);
zipFile.Dispose();
//Put it back to archives folder of container
string uploadPath = Path.Combine("archives", Path.GetFileName(zipPath));
var blob = new Blob();
blob.Name = Path.GetFileName(zipPath);
blob.Uri = blobStorage.PutBlob(uploadPath, zipPath);
return blob;
}
