private static void TraverseDirs(string path, ref Folder folder)
{
DirectoryInfo directory = new DirectoryInfo(path);
string directoryName = directory.Name;
folder = new Folder(directoryName);
FileInfo[] currentFiles = directory.GetFiles();
folder.Files = new File[currentFiles.Length];
for (int i = 0; i < currentFiles.Length; i++)
{
string name = currentFiles[i].Name;
long length = currentFiles[i].Length;
folder.Files[i] = new File(name, length);
}
DirectoryInfo[] currentDirs = directory.GetDirectories();
folder.ChildFolders = new Folder[currentDirs.Length];
for (int i = 0; i < currentDirs.Length; i++)
{
string name = currentDirs[i].Name;
Folder currentFolder = new Folder(name);
TraverseDirs(currentDirs[i].FullName, ref currentFolder);
folder.ChildFolders[i] = currentFolder;
}
}
static void Main(string[] args)
{
string path = "D:\\Programming";
Folder mainFolder = new Folder("Programming");
TraverseDirs(path, ref mainFolder);
Folder folder = FindFolder(mainFolder, "CODES");
long sum = CalculateFilesSum(folder);
Console.WriteLine(sum);
}
private static long CalculateFilesSum(Folder folder)
{
long currentSum = 0;
foreach (var file in folder.Files)
{
currentSum += file.Size;
}
foreach (var childFolder in folder.ChildFolders)
{
long childSum = CalculateFilesSum(childFolder);
currentSum += childSum;
}
return currentSum;
}
private static Folder FindFolder(Folder folder, string folderName)
{
if (folder.Name == folderName)
{
return folder;
}
Folder findFolder = null;
foreach (var child in folder.ChildFolders)
{
if (findFolder == null)
{
Folder currentFolder = FindFolder(child, folderName);
if (currentFolder != null)
{
findFolder = currentFolder;
}
}
}
return findFolder;
}