private static Folder AddChildFoldersToDirectory(Folder root, IEnumerable<string> folders)
{
List<Folder> directpryFolders = new List<Folder>();
foreach (var item in folders)
{
Folder folder = new Folder(item.ToString());
directpryFolders.Add(folder);
}
root.ChildFolders = directpryFolders.ToArray();
return root;
}
public static void PrintTree(Folder root, string spaces)
{
Console.WriteLine(spaces + root.Name);
foreach (var folder in root.ChildFolders)
{
PrintTree(folder, spaces + " ");
}
foreach (var file in root.Files)
{
Console.WriteLine(spaces + " " + file.Name + " " + file.Size);
}
}
private static Folder AddFilesToDirectory(Folder root, string[] files)
{
List<File> directoryFiles = new List<File>();
foreach (var item in files)
{
FileInfo fileInfo = new FileInfo(item);
long size = fileInfo.Length;
File file = new File(item.ToString(), size);
directoryFiles.Add(file);
}
root.Files = directoryFiles.ToArray();
return root;
}
public static BigInteger CalculateSizesOfSubTreee(Folder startFolder, int deptOfSubtree)
{
BigInteger sum = 0;
foreach (var file in startFolder.Files)
{
sum += (BigInteger)file.Size;
}
if (deptOfSubtree == 0)
{
return sum;
}
else
{
foreach (var folder in startFolder.ChildFolders)
{
sum += CalculateSizesOfSubTreee(folder, deptOfSubtree - 1);
}
return sum;
}
}
public static Folder MakeFilesTree(Folder root)
{
var folders = Directory.EnumerateDirectories(root.Name);
var files = Directory.GetFiles(root.Name);
root = AddFilesToDirectory(root, files);
root = AddChildFoldersToDirectory(root, folders);
for (int i = 0; i < root.ChildFolders.Length; i++)
{
try
{
root.ChildFolders[i] = MakeFilesTree(root.ChildFolders[i]);
}
catch (Exception)
{
//This way we scip the files witouth acces
continue;
}
}
return root;
}
static void Main()
{
try
{
string directoryName = @"C:\Downloads";
Folder cWindows = new Folder(directoryName);
cWindows = MakeFilesTree(cWindows);
//Console can not save all files becouse they are too much and shows only last several hundred
PrintTree(cWindows, "");
BigInteger sum = CalculateSizesOfSubTreee(cWindows, 1);
Console.WriteLine(sum);
}
catch (Exception e)
{
Console.WriteLine("Error!" + e.Message);
}
}
public Folder(string name, File[] files, Folder[] folders)
: this(name, files)
{
this.ChildFolders = folders;
}
