public Dictionary <string, MegaDirectoryNode> GetMegaNodes()
{
if (_megaNodes == null)
{
//DateTime start = DateTime.Now;
//IEnumerable<INode> nodes = _client.GetNodes();
IEnumerable <INode> nodes = _GetNodes();
//TimeSpan time = DateTime.Now - start;
//Trace.WriteLine($"MegaClient.GetMegaNodes_v2() : _client.GetNodes() time {time}");
//start = DateTime.Now;
// Dictionary : one node by directory, key is mega id
Dictionary <string, MegaDirectoryNode> megaNodes1 = GetMegaNodes1(nodes);
//time = DateTime.Now - start;
//Trace.WriteLine($"MegaClient.GetMegaNodes_v2() : GetDictionaryNodes1_v2() time {time}");
//Trace.WriteLine($"MegaClient.GetMegaNodes_v2() : GetDictionaryNodes1_v2() megaNodes.Count {megaNodes1.Count} nodeCount {_nodeCount} _directoryNodeCount {_directoryNodeCount} _fileNodeCount {_fileNodeCount} nodeWithUnknowParent {_dictionaryNodes1_nodeWithUnknowParent} nodeAlreadyCreated {_dictionaryNodes1_nodeAlreadyCreated}");
//start = DateTime.Now;
// Dictionary : one node by directory, key is directory path
_megaNodes = new Dictionary <string, MegaDirectoryNode>();
MegaDirectoryNode root = new MegaDirectoryNode {
Path = "/"
};
root.Childs.Add(_root);
root.Childs.Add(_inbox);
root.Childs.Add(_trash);
_megaNodes.Add("/", root);
// browse tree directory nodes
//foreach (MegaDirectoryNode_v2 node in BrowseDirectoryNodes(megaNodes1))
foreach (MegaNode node in BrowseNodes(megaNodes1))
{
string path = null;
if (node.Parent != null)
{
path = node.Parent.Path;
}
//path += "/" + node.GetName();
path += "/" + node.Name;
node.Path = path;
if (node.Node.Type != NodeType.File)
{
_megaNodes.Add(path, (MegaDirectoryNode)node);
}
}
//time = DateTime.Now - start;
//Trace.WriteLine($"MegaClient.GetMegaNodes_v2() : create _megaNodes_v2 time {time}");
}
return(_megaNodes);
}
// not used
//private IEnumerable<MegaDirectoryNode_v2> BrowseDirectoryNodes(Dictionary<string, MegaDirectoryNode_v2> megaNodes)
//{
// Stack<IEnumerator<MegaNode_v2>> stack = new Stack<IEnumerator<MegaNode_v2>>();
// foreach (MegaDirectoryNode_v2 rootNode in new MegaDirectoryNode_v2[] { _root, _inbox, _trash })
// {
// yield return rootNode;
// IEnumerator<MegaNode_v2> enumerator = rootNode.Childs.GetEnumerator();
// stack.Push(enumerator);
// while (true)
// {
// if (enumerator.MoveNext())
// {
// MegaNode_v2 node = enumerator.Current;
// //yield return node;
// if (node.Node.Type == NodeType.Directory)
// {
// MegaDirectoryNode_v2 directoryNode = (MegaDirectoryNode_v2)node;
// yield return directoryNode;
// enumerator = directoryNode.Childs.GetEnumerator();
// stack.Push(enumerator);
// }
// }
// else
// {
// stack.Pop();
// if (stack.Count == 0)
// break;
// enumerator = stack.Peek();
// }
// }
// }
//}
private IEnumerable <MegaNode> BrowseNodes(Dictionary <string, MegaDirectoryNode> megaNodes)
{
Stack <IEnumerator <MegaNode> > stack = new Stack <IEnumerator <MegaNode> >();
foreach (MegaDirectoryNode rootNode in new MegaDirectoryNode[] { _root, _inbox, _trash })
{
yield return(rootNode);
IEnumerator <MegaNode> enumerator = rootNode.Childs.GetEnumerator();
stack.Push(enumerator);
while (true)
{
if (enumerator.MoveNext())
{
MegaNode node = enumerator.Current;
yield return(node);
if (node.Node.Type == NodeType.Directory)
{
MegaDirectoryNode directoryNode = (MegaDirectoryNode)node;
//yield return directoryNode;
enumerator = directoryNode.Childs.GetEnumerator();
stack.Push(enumerator);
}
}
else
{
stack.Pop();
if (stack.Count == 0)
{
break;
}
enumerator = stack.Peek();
}
}
}
}
private Dictionary <string, MegaDirectoryNode> GetMegaNodes1(IEnumerable <INode> nodes)
{
// Dictionary : one node by directory, key is mega id
Dictionary <string, MegaDirectoryNode> megaNodes = new Dictionary <string, MegaDirectoryNode>();
_dictionaryNodes1_nodeWithUnknowParent = 0;
_dictionaryNodes1_nodeAlreadyCreated = 0;
_nodeCount = 0;
_fileNodeCount = 0;
_directoryNodeCount = 0;
foreach (INode node in nodes)
{
_nodeCount++;
//if (type == NodeType.Root)
// _root = node;
//else if (type == NodeType.Inbox)
// _inbox = node;
//else if (type == NodeType.Trash)
// _trash = node;
// MegaNode_v2 : Id, Node, Path, Childs
MegaDirectoryNode parentMegaNode = null;
string parentId = node.ParentId;
if (parentId != null && parentId != "")
{
if (!megaNodes.TryGetValue(parentId, out parentMegaNode))
{
_dictionaryNodes1_nodeWithUnknowParent++;
parentMegaNode = new MegaDirectoryNode {
Id = parentId
};
megaNodes.Add(parentId, parentMegaNode);
//Trace.WriteLine($"nodeWithUnknowParent : Id {node.Id} Name {node.Name}");
}
}
MegaNode megaNode;
NodeType type = node.Type;
if (type != NodeType.File)
{
string id = node.Id;
MegaDirectoryNode megaDirectoryNode;
if (!megaNodes.TryGetValue(id, out megaDirectoryNode))
{
megaDirectoryNode = new MegaDirectoryNode {
Id = id, Node = node, Name = GetName(node)
};
megaNodes.Add(id, megaDirectoryNode);
}
else
{
_dictionaryNodes1_nodeAlreadyCreated++;
if (megaDirectoryNode.Node != null)
{
throw new PBException($"node should be null");
}
megaDirectoryNode.Node = node;
megaDirectoryNode.Name = GetName(node);
//Trace.WriteLine($"nodeAlreadyCreated : Id {node.Id} Name {node.Name}");
}
if (type == NodeType.Root)
{
_root = megaDirectoryNode;
}
else if (type == NodeType.Inbox)
{
_inbox = megaDirectoryNode;
}
else if (type == NodeType.Trash)
{
_trash = megaDirectoryNode;
}
megaNode = megaDirectoryNode;
if (type == NodeType.Directory)
{
_directoryNodeCount++;
}
}
else
{
megaNode = new MegaNode {
Id = node.Id, Node = node, Name = GetName(node)
};
_fileNodeCount++;
}
if (parentMegaNode != null)
{
megaNode.Parent = parentMegaNode;
parentMegaNode.Childs.Add(megaNode);
}
}
return(megaNodes);
}
