public DirectoryStructure(string drive, string rootDirectory)
{
Drive = drive;
Root = new DirectoryStructureEntry {DirectoryName = rootDirectory};
}
public void Refresh(string parentPath, int level, Action<string> progress, bool isNew=false)
{
string fullPath = Path.Combine(parentPath, DirectoryName);
bool exists = Directory.Exists(fullPath);
if (exists)
{
if (level < 3)
progress(fullPath);
Children = new List<DirectoryStructureEntry>(Children.OrderBy(x => x.DirectoryName, LogicalStringComparer.Comparer));
long size = Directory.GetFiles(fullPath).Select(file => new FileInfo(file)).Select(info => info.Length).Sum();
foreach (var child in Children)
{
child.Refresh(fullPath, level+1, progress, isNew);
size += child.CurrentSize;
}
foreach (var dir in Directory.GetDirectories(fullPath).Where(x => !IsLink(x)))
{
string dirName = Path.GetFileName(dir);
if (!Children.Any(c => string.Compare(c.DirectoryName, dirName, true) == 0))
{
var child = new DirectoryStructureEntry {DirectoryName = dirName, State = DirectoryState.Added};
try
{
child.Refresh(fullPath, level+1, progress, true);
size += child.CurrentSize;
Children.AddSorted(child, (x,y) => LogicalStringComparer.Comparer.Compare(x.DirectoryName, y.DirectoryName));
}
catch (IOException) { }
catch (UnauthorizedAccessException) { }
}
}
this.CurrentSize = size;
if (isNew)
State = DirectoryState.Added;
else if (CurrentSize == PreviousSize)
State = DirectoryState.Unchanged;
else
State = DirectoryState.Changed;
}
else
{
this.Children.Clear();
this.CurrentSize = 0;
this.State = DirectoryState.Deleted;
}
}