InSkipCollection and MakeHiddenIfAllItemsAreHidden

Shared/Models/Stateless/Methods/XPath.cs

@@ -190,4 +190,46 @@ internal abstract class XPath
         }
     }
 
+    internal static void MakeHiddenIfAllItemsAreHidden(string rootDirectory)
+    {
+        bool check;
+        FileInfo fileInfo;
+        IEnumerable<string> files;
+        DirectoryInfo directoryInfo;
+        IEnumerable<string> subDirectories;
+        string[] directories = Directory.GetDirectories(rootDirectory, "*", SearchOption.AllDirectories);
+        foreach (string directory in directories)
+        {
+            directoryInfo = new(directory);
+            if (directoryInfo.Attributes.HasFlag(FileAttributes.Hidden))
+                continue;
+            check = true;
+            subDirectories = Directory.EnumerateDirectories(directory, "*", SearchOption.TopDirectoryOnly);
+            foreach (string subDirectory in subDirectories)
+            {
+                directoryInfo = new(subDirectory);
+                if (!directoryInfo.Attributes.HasFlag(FileAttributes.Hidden))
+                {
+                    check = false;
+                    break;
+                }
+            }
+            if (!check)
+                continue;
+            files = Directory.EnumerateFiles(directory, "*", SearchOption.TopDirectoryOnly);
+            foreach (string file in files)
+            {
+                fileInfo = new(file);
+                if (!fileInfo.Attributes.HasFlag(FileAttributes.Hidden))
+                {
+                    check = false;
+                    break;
+                }
+            }
+            if (!check)
+                continue;
+            directoryInfo.Attributes |= FileAttributes.Hidden;
+        }
+    }
+
 }