enforced file system

Yavsc.Abstract/FileSystem/FileSystemHelpers.cs

@@ -1,4 +1,5 @@
 using System.Linq;
+using System.Text;
 
 namespace Yavsc.Abstract.FileSystem
 {
@@ -6,20 +7,35 @@ namespace Yavsc.Abstract.FileSystem
     {
         public static bool IsValidYavscPath(this string path)
         {
-            if (path == null) return true;
+            if (string.IsNullOrEmpty(path)) return true;
             foreach (var name in path.Split('/'))
             {
                 if (!IsValidDirectoryName(name) || name.Equals("..") || name.Equals("."))
                         return false;
             }
-            if (path[path.Length]==FileSystemConstants.RemoteDirectorySeparator) return false;
+            if (path[path.Length-1]==FileSystemConstants.RemoteDirectorySeparator) return false;
             return true;
         }
         public static bool IsValidDirectoryName(this string name)
         {
             return !name.Any(c => !FileSystemConstants.ValidFileNameChars.Contains(c));
         }
+        // Ensure this path is canonical,
+        // No "dirto/./this", neither "dirt/to/that/"
+        // no .. and each char must be listed as valid in constants
 
+        public static string FilterFileName(string fileName)
+        {
+            if (fileName==null) return null;
+            StringBuilder sb = new StringBuilder();
+            foreach (var c in fileName)
+            {
+                if (FileSystemConstants.ValidFileNameChars.Contains(c))
+                    sb.Append(c);
+                else sb.Append('_');
+            }
+           return sb.ToString();
+        }
     }
 
     public static  class FileSystemConstants

Yavsc.Abstract/FileSystem/IDirectoryShortInfo.cs

@@ -0,0 +1,8 @@
+namespace Yavsc.Abstract.FileSystem {
+
+  public interface IDirectoryShortInfo
+  {
+    string Name { get; set; }
+    bool IsEmpty { get; set; }
+  }
+}

Yavsc.Abstract/FileSystem/IFileRecieved.Info.cs

@@ -0,0 +1,15 @@
+namespace Yavsc.Abstract.FileSystem
+{
+    public interface IFileRecievedInfo
+    {
+        string MimeType { get; set; }
+        
+        string DestDir { get; set; }
+
+        string FileName { get; set; }
+
+        bool Overriden { get; set; }
+
+        bool QuotaOffensed { get; set; }
+    }
+}

Yavsc.Abstract/FileSystem/UserDirectoryInfo.cs

@@ -7,15 +7,21 @@ namespace Yavsc.ViewModels.UserFiles
 {
     public class UserDirectoryInfo
     {
-        public string UserName { get; private set; }
-        public string SubPath { get; private set; }
+        public string UserName { get; set; }
+        public string SubPath { get; set; }
         public RemoteFileInfo [] Files {
-            get; private set;
+            get; set;
         }
-        public string [] SubDirectories { 
-            get; private set;
+        public DirectoryShortInfo [] SubDirectories { 
+            get; set;
         }
         private DirectoryInfo dInfo;
+
+        // for deserialization
+        public UserDirectoryInfo()
+        {
+
+        }
         public UserDirectoryInfo(string userReposPath, string username, string path)
         {
             if (string.IsNullOrWhiteSpace(username))
@@ -35,7 +41,12 @@ namespace Yavsc.ViewModels.UserFiles
              ( entry => new RemoteFileInfo { Name = entry.Name, Size = entry.Length,
              CreationTime = entry.CreationTime, LastModified = entry.LastWriteTime  }).ToArray();
              SubDirectories = dInfo.GetDirectories().Select
-             ( d=> d.Name ).ToArray();
+             ( d=> new DirectoryShortInfo { Name= d.Name, IsEmpty=false } ).ToArray();
         }
     }
+
+    public class DirectoryShortInfo: IDirectoryShortInfo {
+        public string Name { get; set; }
+        public bool IsEmpty { get; set; }
+    }
 }