https sync

Helpers/HelperDirectory.cs

@@ -41,4 +41,31 @@ internal static class HelperDirectory
         return new(results);
     }
 
+    internal static ReadOnlyCollection<ReadOnlyCollection<string>> GetFilesCollection(string directory, string directorySearchFilter, string fileSearchFilter)
+    {
+        List<ReadOnlyCollection<string>> results = [];
+        string[] files;
+        if (!fileSearchFilter.Contains('*'))
+            fileSearchFilter = string.Concat('*', fileSearchFilter);
+        if (!directorySearchFilter.Contains('*'))
+            directorySearchFilter = string.Concat('*', directorySearchFilter);
+        if (!Directory.Exists(directory))
+            _ = Directory.CreateDirectory(directory);
+        results.Add(Directory.GetFiles(directory, fileSearchFilter, SearchOption.TopDirectoryOnly).AsReadOnly());
+        string[] directories = Directory.GetDirectories(directory, directorySearchFilter, SearchOption.TopDirectoryOnly);
+        foreach (string innerDirectory in directories)
+        {
+            try
+            {
+                files = Directory.GetFiles(innerDirectory, fileSearchFilter, SearchOption.AllDirectories);
+                if (files.Length == 0)
+                    continue;
+                results.Add(files.AsReadOnly());
+            }
+            catch (UnauthorizedAccessException)
+            { continue; }
+        }
+        return results.AsReadOnly();
+    }
+
 }