private DriveJunkNode GetJunkNodeFromLocation(string directory)
{
try
{
var dirInfo = new DirectoryInfo(directory);
if (dirInfo.FullName.Contains(FullWindowsDirectoryName) || !dirInfo.Exists || dirInfo.Parent == null)
{
return(null);
}
var newNode = new DriveJunkNode(Path.GetDirectoryName(directory),
Path.GetFileName(directory), Uninstaller.DisplayName);
newNode.Confidence.Add(ConfidencePart.ExplicitConnection);
var generatedConfidence = GenerateConfidence(dirInfo.Name, dirInfo.Parent.FullName, 1, true);
newNode.Confidence.AddRange(generatedConfidence);
if (CheckAgainstOtherInstallers(dirInfo))
{
newNode.Confidence.Add(ConfidencePart.DirectoryStillUsed);
}
return(newNode);
}
catch
{
return(null);
}
}
private void FindJunkRecursively(ICollection <DriveJunkNode> returnList, DirectoryInfo directory, int level)
{
try
{
if ((directory.Attributes & FileAttributes.System) == FileAttributes.System)
{
return;
}
var dirs = directory.GetDirectories();
foreach (var dir in dirs)
{
if (UninstallToolsGlobalConfig.IsSystemDirectory(dir))
{
continue;
}
var generatedConfidence = GenerateConfidence(dir.Name, directory.FullName, level, false);
var confidenceParts = generatedConfidence as IList <ConfidencePart> ?? generatedConfidence.ToList();
if (confidenceParts.Any())
{
var newNode = new DriveJunkNode(directory.FullName, dir.Name, Uninstaller.DisplayName);
newNode.Confidence.AddRange(confidenceParts);
if (CheckAgainstOtherInstallers(dir))
{
newNode.Confidence.Add(ConfidencePart.DirectoryStillUsed);
}
returnList.Add(newNode);
}
else if (level < 1)
{
FindJunkRecursively(returnList, dir, level + 1);
}
}
}
catch
{
if (Debugger.IsAttached)
{
throw;
}
}
}
public static IEnumerable <DriveJunkNode> RemoveDuplicates(IEnumerable <DriveJunkNode> input)
{
foreach (var group in input.GroupBy(x => x.FullName))
{
DriveJunkNode node = null;
foreach (var item in group)
{
if (node == null)
{
node = item;
}
else
{
node.Confidence.AddRange(item.Confidence.ConfidenceParts);
}
}
if (node != null)
{
yield return(node);
}
}
}
private IEnumerable <DriveJunkNode> FindJunkRecursively(DirectoryInfo directory, int level = 0)
{
var results = new List <DriveJunkNode>();
try
{
var dirs = directory.GetDirectories();
foreach (var dir in dirs)
{
if (UninstallToolsGlobalConfig.IsSystemDirectory(dir))
{
continue;
}
var generatedConfidence = GenerateConfidence(dir.Name, directory.FullName, level).ToList();
DriveJunkNode newNode = null;
if (generatedConfidence.Any())
{
newNode = new DriveDirectoryJunkNode(directory.FullName, dir.Name, Uninstaller.DisplayName);
newNode.Confidence.AddRange(generatedConfidence);
if (CheckAgainstOtherInstallers(dir))
{
newNode.Confidence.Add(ConfidencePart.DirectoryStillUsed);
}
results.Add(newNode);
}
if (level >= 1)
{
continue;
}
var junkNodes = FindJunkRecursively(dir, level + 1).ToList();
results.AddRange(junkNodes);
if (newNode != null)
{
// Check if the directory will have nothing left after junk removal.
if (!dir.GetFiles().Any())
{
var subDirs = dir.GetDirectories();
if (!subDirs.Any() || subDirs.All(d => junkNodes.Any(y => PathTools.PathsEqual(d.FullName, y.FullName))))
{
newNode.Confidence.Add(ConfidencePart.AllSubdirsMatched);
}
}
}
}
}
catch
{
if (Debugger.IsAttached)
{
throw;
}
}
return(results);
}