Add GPL modules

1 files changed, 106 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Providers/DirectoryService.cs b/MediaBrowser.Controller/Providers/DirectoryService.cs
new file mode 100644
index 000000000..65192671e
--- /dev/null
+++ b/MediaBrowser.Controller/Providers/DirectoryService.cs
@@ -0,0 +1,106 @@
+using MediaBrowser.Model.Logging;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using MediaBrowser.Controller.IO;
+using MediaBrowser.Model.IO;
+
+namespace MediaBrowser.Controller.Providers
+{
+    public class DirectoryService : IDirectoryService
+    {
+        private readonly ILogger _logger;
+        private readonly IFileSystem _fileSystem;
+
+        private readonly Dictionary<string, FileSystemMetadata[]> _cache = new Dictionary<string, FileSystemMetadata[]>(StringComparer.OrdinalIgnoreCase);
+
+        private readonly Dictionary<string, FileSystemMetadata> _fileCache = new Dictionary<string, FileSystemMetadata>(StringComparer.OrdinalIgnoreCase);
+
+        private readonly Dictionary<string, List<string>> _filePathCache = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
+
+        public DirectoryService(ILogger logger, IFileSystem fileSystem)
+        {
+            _logger = logger;
+            _fileSystem = fileSystem;
+        }
+
+        public DirectoryService(IFileSystem fileSystem)
+            : this(new NullLogger(), fileSystem)
+        {
+        }
+
+        public FileSystemMetadata[] GetFileSystemEntries(string path)
+        {
+            FileSystemMetadata[] entries;
+
+            if (!_cache.TryGetValue(path, out entries))
+            {
+                //_logger.Debug("Getting files for " + path);
+
+                entries = _fileSystem.GetFileSystemEntries(path).ToArray();
+
+                //_cache.TryAdd(path, entries);
+                _cache[path] = entries;
+            }
+
+            return entries;
+        }
+
+        public List<FileSystemMetadata> GetFiles(string path)
+        {
+            var list = new List<FileSystemMetadata>();
+            var items = GetFileSystemEntries(path);
+            foreach (var item in items)
+            {
+                if (!item.IsDirectory)
+                {
+                    list.Add(item);
+                }
+            }
+            return list;
+        }
+
+        public FileSystemMetadata GetFile(string path)
+        {
+            FileSystemMetadata file;
+            if (!_fileCache.TryGetValue(path, out file))
+            {
+                file = _fileSystem.GetFileInfo(path);
+
+                if (file != null && file.Exists)
+                {
+                    //_fileCache.TryAdd(path, file);
+                    _fileCache[path] = file;
+                }
+                else
+                {
+                    return null;
+                }
+            }
+
+            return file;
+            //return _fileSystem.GetFileInfo(path);
+        }
+
+        public List<string> GetFilePaths(string path)
+        {
+            return GetFilePaths(path, false);
+        }
+
+        public List<string> GetFilePaths(string path, bool clearCache)
+        {
+            List<string> result;
+            if (clearCache || !_filePathCache.TryGetValue(path, out result))
+            {
+                result = _fileSystem.GetFilePaths(path).ToList();
+
+                _filePathCache[path] = result;
+            }
+
+            return result;
+        }
+
+    }
+}