fixed diskscan

removed all stored status fields from episode

NzbDrone.Core/MediaFiles/MediaFileTableCleanupService.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Linq;
+using NLog;
+using NzbDrone.Common;
+using NzbDrone.Common.Messaging;
+using NzbDrone.Core.MediaFiles.Commands;
+using NzbDrone.Core.Tv;
+
+namespace NzbDrone.Core.MediaFiles
+{
+
+    public class MediaFileTableCleanupService : IExecute<CleanMediaFileDb>
+    {
+        private readonly IMediaFileService _mediaFileService;
+        private readonly IDiskProvider _diskProvider;
+        private readonly IEpisodeService _episodeService;
+        private readonly Logger _logger;
+
+        public MediaFileTableCleanupService(IMediaFileService mediaFileService, IDiskProvider diskProvider, IEpisodeService episodeService, Logger logger)
+        {
+            _mediaFileService = mediaFileService;
+            _diskProvider = diskProvider;
+            _episodeService = episodeService;
+            _logger = logger;
+        }
+
+        public void Execute(CleanMediaFileDb message)
+        {
+            var seriesFile = _mediaFileService.GetFilesBySeries(message.SeriesId);
+
+            foreach (var episodeFile in seriesFile)
+            {
+                try
+                {
+                    if (!_diskProvider.FileExists(episodeFile.Path))
+                    {
+                        _logger.Trace("File [{0}] no longer exists on disk. removing from db", episodeFile.Path);
+                        _mediaFileService.Delete(episodeFile);
+                    }
+
+                    if (!_episodeService.GetEpisodesByFileId(episodeFile.Id).Any())
+                    {
+                        _logger.Trace("File [{0}] is not assigned to any episodes. removing from db", episodeFile.Path);
+                        _mediaFileService.Delete(episodeFile);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    var errorMessage = String.Format("Unable to cleanup EpisodeFile in DB: {0}", episodeFile.Id);
+                    _logger.ErrorException(errorMessage, ex);
+                }
+            }
+        }
+    }
+}