public INode GetTree(string rootPath)
{
var directoryInfo = new DirectoryInfo(rootPath);
if (directoryInfo.Attributes != FileAttributes.Directory)
{
var file = new FileInfo(rootPath);
return new Node
{
Id = file.FullName,
Name = file.Name,
NodeType = NodeType.File,
Children = new INode[0],
};
}
var result = new Node
{
Id = directoryInfo.FullName,
Name = directoryInfo.Name,
NodeType = NodeType.Folder
};
result.Children = directoryInfo.EnumerateFileSystemInfos().Select(fileSystemInfo => new Node { Id = fileSystemInfo.FullName, Name = fileSystemInfo.Name, Children = new INode[0] }).ToList();
return result;
}
public INode GetTree(string rootPath)
{
var requestResult = GetAllChildren(rootPath);
var infoResult = GetFileInfo(rootPath);
var asyncChildren = requestResult.Select(async (child) => new {Id = child.Id, Name = await GetFileInfoAsync(child.Id)}).ToArray();
Task.WaitAll(asyncChildren.Select(x => (Task)x).ToArray());
var result = new Node
{
Id = infoResult.Id,
Name = infoResult.Title,
NodeType = GetNodeType(infoResult),
// I want children to be populated either by user request or in some background thread as this is very time-consuming operation
Children = asyncChildren.Select(x => x.Result).Select(x => new Node {Id = x.Id, Name = x.Name.Title}).ToArray(),
};
return result;
}