public void CanCreateFolder()
{
var folder = new StorageFolder("MyFolder", new List<StorageFolder>());
Assert.AreEqual("MyFolder", folder.FullName);
Assert.AreEqual("MyFolder", folder.Name);
Assert.AreEqual(0,folder.Folders.Count());
}
public void CanCreateFolderWithMultipleFoldersInName()
{
var expectedFolderName = "MyFolder";
var folder = new StorageFolder("//Some/Folder/MyFolder", new List<StorageFolder>());
Assert.AreEqual("//Some/Folder/MyFolder", folder.FullName);
Assert.AreEqual(expectedFolderName, folder.Name);
Assert.AreEqual(0, folder.Folders.Count());
}
/// <inheritdoc/>
public IEnumerable<StorageFolder> Convert(IEnumerable<StorageObject> objects)
{
objects.AssertIsNotNull("objects", "Cannot build folders with a null object collection.");
var folders = new List<StorageFolder>();
var sortedObjectList = objects.OrderByDescending(o => o.Name.Length).ToList();
foreach (var obj in sortedObjectList)
{
//if the name has any consecutive slashes in the name, skip it.
if (Regex.IsMatch(obj.FullName, consecutiveSlashRegex))
{
continue;
}
//split the input using a forward slash as the folder delimiter, and separate the object name (if we have one) and the folder path.
var folderParts = obj.FullName.TrimStart('/').Split('/');
var objectName = folderParts.Last(); //this will be string.empty if the object name ends in a "/" indicating that it's a folder.
folderParts = folderParts.Take(folderParts.Length - 1).ToArray();
//if there are no folders in the object's name, skip it.
if (folderParts.Count() <= 0)
{
continue;
}
var currentRoot = folders.FirstOrDefault(f => string.Equals(f.Name, folderParts[0], StringComparison.Ordinal));
if (currentRoot == null)
{
//if the root folder does not exist, create it.
currentRoot = new StorageFolder(folderParts[0], new List<StorageFolder>());
folders.Add(currentRoot);
}
//go through the rest of the folder path (if any) and add nested folders (if needed).
var currentPath = folderParts[0];
foreach (var part in folderParts.Skip(1))
{
currentPath += "/" + part;
var newRoot = currentRoot.Folders.FirstOrDefault(f => string.Equals(f.Name, part, StringComparison.Ordinal));
if (newRoot == null)
{
newRoot = new StorageFolder(currentPath, new List<StorageFolder>());
currentRoot.Folders.Add(newRoot);
}
currentRoot = newRoot;
}
//if this object is not a folder (e.g. the name does not end in a /), then add this object to the current folder.
if (!string.IsNullOrEmpty(objectName))
{
currentRoot.Objects.Add(obj);
}
}
return folders;
}
public void CanCreateFolderWithTrailingSlashes()
{
var expectedFullFolderName = "MyFolder//";
var expectedFolderName = "MyFolder";
var folder = new StorageFolder("MyFolder//", new List<StorageFolder>());
Assert.AreEqual(expectedFullFolderName, folder.FullName);
Assert.AreEqual(expectedFolderName, folder.Name);
Assert.AreEqual(0, folder.Folders.Count());
}
/// <summary>
/// Gets the last segment of a large object that was found in the given folder.
/// </summary>
/// <param name="segmentFolder">The folder that contains the segments of the large object.</param>
/// <returns>A key value pair that represents the segment Id and the name of the storage object that represents that segment.</returns>
internal KeyValuePair<int, string> GetLastSegmentIdAndName(StorageFolder segmentFolder)
{
segmentFolder.AssertIsNotNull("segmentFolder","Cannot get segment id or name given a null segment folder.");
if (segmentFolder.Objects.Count == 0)
{
return new KeyValuePair<int, string>(0, string.Empty);
}
try
{
var segments = segmentFolder.Objects.Select(o => new KeyValuePair<int, string>(GetSegmentIdFromKey(o), o.Name)).ToList();
segments.Sort((kvp1, kvp2) => kvp1.Key.CompareTo(kvp2.Key));
return segments.Last();
}
catch (System.FormatException)
{
//If the segment id in the file is malformed (IE does not conform to the format we expect)
//Then we cannot get the last segment.
return new KeyValuePair<int, string>(0, string.Empty);
}
}
