Refactored setting attributes on media/metadata files to its own service

src/NzbDrone.Core/MediaFiles/MediaFileAttributeService.cs

@@ -0,0 +1,98 @@
+using System;
+using NLog;
+using NzbDrone.Common.Disk;
+using NzbDrone.Common.EnvironmentInfo;
+using NzbDrone.Core.Configuration;
+
+namespace NzbDrone.Core.MediaFiles
+{
+    public interface IMediaFileAttributeService
+    {
+        void SetFilePermissions(string path);
+        void SetFolderPermissions(string path);
+        void SetFolderLastWriteTime(string path, DateTime time);
+    }
+
+    public class MediaFileAttributeService : IMediaFileAttributeService
+    {
+        private readonly IConfigService _configService;
+        private readonly IDiskProvider _diskProvider;
+        private readonly Logger _logger;
+
+        public MediaFileAttributeService(IConfigService configService,
+                                         IDiskProvider diskProvider,
+                                         Logger logger)
+        {
+            _configService = configService;
+            _diskProvider = diskProvider;
+            _logger = logger;
+        }
+
+        public void SetFilePermissions(string path)
+        {
+            if (OsInfo.IsWindows)
+            {
+                //Wrapped in Try/Catch to prevent this from causing issues with remote NAS boxes
+                try
+                {
+                    _diskProvider.InheritFolderPermissions(path);
+                }
+                catch (Exception ex)
+                {
+                    if (ex is UnauthorizedAccessException || ex is InvalidOperationException)
+                    {
+                        _logger.Debug("Unable to apply folder permissions to: ", path);
+                        _logger.DebugException(ex.Message, ex);
+                    }
+
+                    else
+                    {
+                        throw;
+                    }
+                }
+            }
+
+            else
+            {
+                SetMonoPermissions(path, _configService.FileChmod);
+            }
+        }
+
+        public void SetFolderPermissions(string path)
+        {
+            if (OsInfo.IsMono)
+            {
+                SetMonoPermissions(path, _configService.FolderChmod);
+            }
+        }
+
+        public void SetFolderLastWriteTime(string path, DateTime time)
+        {
+            if (OsInfo.IsWindows)
+            {
+                _logger.Debug("Setting last write time on series folder: {0}", path);
+                _diskProvider.FolderSetLastWriteTime(path, time);
+            }
+        }
+
+        private void SetMonoPermissions(string path, string permissions)
+        {
+            if (!_configService.SetPermissionsLinux)
+            {
+                return;
+            }
+
+            try
+            {
+                _diskProvider.SetPermissions(path, permissions, _configService.ChownUser, _configService.ChownGroup);
+            }
+
+            catch (Exception ex)
+            {
+
+                _logger.WarnException("Unable to apply permissions to: " + path, ex);
+                _logger.DebugException(ex.Message, ex);
+            }
+        }
+    }
+}