public static void Main(string[] args)
{
Folder rootFolder = new Folder() { Name = @"C:\WINDOWS" };
BuildFileSystem(rootFolder);
var size = CalculateSize(rootFolder);
Console.WriteLine("Size is:{0}", size);
}
private static long CalculateSize(Folder subFolder)
{
long sum = 0;
foreach (var file in subFolder.Files)
{
sum += file.Size;
}
foreach (var folder in subFolder.ChildFolders)
{
sum += CalculateSize(folder);
}
return sum;
}
private static void BuildFileSystem(Folder parentFolder)
{
foreach (var directory in Directory.GetDirectories(parentFolder.Name))
{
Folder folder = new Folder() { Name = directory };
BuildFileSystem(folder);
parentFolder.ChildFolders.Add(folder);
}
foreach (var file in Directory.GetFiles(parentFolder.Name))
{
FileInfo fileInfo = new FileInfo(file);
File fileNode = new File() { Name = fileInfo.Name, Size = fileInfo.Length };
parentFolder.Files.Add(fileNode);
}
}