internal void BackupFile(MegaNodeHelper node, int?version = null)
{
if (node == null)
{
return;
}
lock (serverNodes)
{
var newPath = Path.Combine(
Path.GetDirectoryName(node.Path),
String.Format("{0}.backup{1}{2}",
Path.GetFileNameWithoutExtension(node.Path),
version,
Path.GetExtension(node.Path)));
var found = FindNodeByPath(newPath);
if (found != null)
{
BackupFile(node, version == null ? 1 : ++version);
}
else
{
var newName = Path.GetFileName(newPath);
node.SetName(newName);
api.UpdateNodeAttrSync(node.Node);
}
}
}
/// <summary>
/// UPDATE (move)
/// </summary>
internal SyncedNodeAttributes MoveFile(string oldPath, string newPath, string expectedId)
{
lock (serverNodes)
{
var target = AssertExist(oldPath);
AssertId(target, expectedId);
AssertPathClear(newPath);
// rename
if (Path.GetDirectoryName(oldPath) == Path.GetDirectoryName(newPath))
{
target.SetName(Path.GetFileName(newPath));
api.UpdateNodeAttrSync(target.Node);
}
else // move
{
MegaNodeHelper parent = AssertParentForPath(newPath);
api.MoveNodeSync(target.Node.Id, parent.Node.Id);
target.Parent = FindNodeByPath(Path.GetDirectoryName(newPath));
}
return(new SyncedNodeAttributes
{
Path = newPath,
Id = target.Node.Id
});
}
}
public MegaNode CreateDirectory(string path)
{
var folders = Path.GetDirectoryName(path.TrimStart(new char[] { '\\' }))
.Split(new char[] { '\\' });
if (string.IsNullOrEmpty(folders[0]))
{
return(rootFolder.Node);
}
var parent = rootFolder;
MegaNodeHelper helper = null;
foreach (var folder in folders)
{
lock (serverNodes)
{
helper = serverNodes
.Where(h => h.Node.Attributes.Name == folder && h.Node.ParentId == parent.Node.Id)
.FirstOrDefault();
if (helper == null)
{
var n = api.CreateFolderSync(parent.Node.Id, folder);
helper = new MegaNodeHelper
{
Node = n,
Parent = parent == rootFolder ? null : parent
};
}
parent = helper;
}
}
return(helper.Node);
}
private void AssertId(MegaNodeHelper target, string expectedId)
{
if (target.Node.Id != expectedId)
{
throw new MegaStoreConcurrencyException("The node has different id")
{
Node = target
};
}
}
private void AssertNoChildren(MegaNodeHelper node)
{
if (IsDirectory(node))
{
var children = serverNodes.Where(n => n.Node.ParentId == node.Node.Id).FirstOrDefault();
if (children != null)
{
throw new MegaStoreConstraintException(MegaStoreConstraintType.NotEmpty, "The folder is not empty");
}
}
}
private void AddChildren(List <MegaNodeHelper> target, MegaNodeHelper parent, List <MegaNode> serverNodes, bool r = false)
{
var children = serverNodes.Where(n => n.ParentId == parent.Node.Id);
foreach (var child in children)
{
var c = new MegaNodeHelper
{
Node = child,
// do not set the root folder as parent
Parent = r ? parent : null
};
target.Add(c);
AddChildren(target, c, serverNodes, true);
}
}
private void RefreshNodeList()
{
lock (serverNodes)
{
refreshing = true;
refreshTimer.Stop();
serverNodes = new List <MegaNodeHelper>();
List <MegaNode> nodes = null;
nodes = api.GetNodesSync();
// todo ignore root folder in the trash
var rootNode = nodes.Where(n => n.Attributes.Name == rootFolderName).FirstOrDefault();
if (rootNode == null)
{
rootNode = api.CreateFolderSync(nodes.Where(n => n.Type == MegaNodeType.RootFolder).First().Id, rootFolderName);
}
rootFolder = new MegaNodeHelper {
Node = rootNode
};
if (string.IsNullOrEmpty(recyclingId))
{
var recycleNode = nodes.Where(n => n.Type == MegaNodeType.Trash).FirstOrDefault();
if (recycleNode == null)
{
RecycleDeletedItems = false;
}
else
{
recyclingId = recycleNode.Id;
}
}
AddChildren(serverNodes, rootFolder, nodes);
refreshTimer.Start();
refreshing = false;
}
OnUpdated();
}
public bool IsDirectory(MegaNodeHelper node)
{
return(node.Node.Type == MegaNodeType.Folder);
}