From 9ce3f2213e8c4e8a067bc0640c184a82f73a3dc2 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Thu, 3 Sep 2020 01:58:08 +0100
Subject: [PATCH] Move reading root directory to VFS.

---
 RomRepoMgr.Core/Filesystem/Fuse.cs | 22 +---------------------
 RomRepoMgr.Core/Filesystem/Vfs.cs  |  8 ++++++++
 2 files changed, 9 insertions(+), 21 deletions(-)

diff --git a/RomRepoMgr.Core/Filesystem/Fuse.cs b/RomRepoMgr.Core/Filesystem/Fuse.cs
index 140cb36..0ba0626 100644
--- a/RomRepoMgr.Core/Filesystem/Fuse.cs
+++ b/RomRepoMgr.Core/Filesystem/Fuse.cs
@@ -520,33 +520,13 @@ namespace RomRepoMgr.Core.Filesystem
             {
                 if(directory == "/")
                 {
-                    using var ctx = Context.Create(Settings.Settings.Current.DatabasePath);
-
                     List<DirectoryEntry> entries = new List<DirectoryEntry>
                     {
                         new DirectoryEntry("."),
                         new DirectoryEntry("..")
                     };
 
-                    ConcurrentDictionary<string, long> rootCache = new ConcurrentDictionary<string, long>();
-
-                    foreach(RomSet set in ctx.RomSets)
-                    {
-                        string name = set.Name.Replace('/', '∕');
-
-                        if(entries.Any(e => e.Name == name))
-                            name = Path.GetFileNameWithoutExtension(set.Filename)?.Replace('/', '∕');
-
-                        if(entries.Any(e => e.Name == name) ||
-                           name == null)
-                            name = Path.GetFileNameWithoutExtension(set.Sha384);
-
-                        if(name == null)
-                            continue;
-
-                        entries.Add(new DirectoryEntry(name));
-                        rootCache[name] = set.Id;
-                    }
+                    entries.AddRange(_vfs.GetRootEntries().Select(e => new DirectoryEntry(e)));
 
                     _lastHandle++;
                     info.Handle = new IntPtr(_lastHandle);
diff --git a/RomRepoMgr.Core/Filesystem/Vfs.cs b/RomRepoMgr.Core/Filesystem/Vfs.cs
index 230b241..128d0e9 100644
--- a/RomRepoMgr.Core/Filesystem/Vfs.cs
+++ b/RomRepoMgr.Core/Filesystem/Vfs.cs
@@ -330,6 +330,14 @@ namespace RomRepoMgr.Core.Filesystem
 
             return true;
         }
+
+        internal IEnumerable<string> GetRootEntries()
+        {
+            if(_rootDirectoryCache.Count == 0)
+                FillRootDirectoryCache();
+
+            return _rootDirectoryCache.Keys.ToArray();
+        }
     }
 
     internal sealed class CachedMachine