From 6003ca1696adde0dafb695e383007d17e274fa73 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Tue, 2 Apr 2024 20:59:08 -0700
Subject: [PATCH] Fixed: Deleted episodes not being unmonitored when series
 folder has been deleted

Closes #6678
---
 .../MediaFiles/DiskScanService.cs             | 12 +++++--
 .../MediaFiles/MediaFileDeletionService.cs    | 34 ++++++++++---------
 2 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/src/NzbDrone.Core/MediaFiles/DiskScanService.cs b/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
index 999d4d067..f7d878f16 100644
--- a/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
+++ b/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
@@ -174,10 +174,16 @@ namespace NzbDrone.Core.MediaFiles
             fileInfoStopwatch.Stop();
             _logger.Trace("Reprocessing existing files complete for: {0} [{1}]", series, decisionsStopwatch.Elapsed);
 
-            var filesOnDisk = GetNonVideoFiles(series.Path);
-            var possibleExtraFiles = FilterPaths(series.Path, filesOnDisk);
-
             RemoveEmptySeriesFolder(series.Path);
+
+            var possibleExtraFiles = new List<string>();
+
+            if (_diskProvider.FolderExists(series.Path))
+            {
+                var extraFiles = GetNonVideoFiles(series.Path);
+                possibleExtraFiles = FilterPaths(series.Path, extraFiles);
+            }
+
             CompletedScanning(series, possibleExtraFiles);
         }
 
diff --git a/src/NzbDrone.Core/MediaFiles/MediaFileDeletionService.cs b/src/NzbDrone.Core/MediaFiles/MediaFileDeletionService.cs
index 064f15157..bd8d66025 100644
--- a/src/NzbDrone.Core/MediaFiles/MediaFileDeletionService.cs
+++ b/src/NzbDrone.Core/MediaFiles/MediaFileDeletionService.cs
@@ -129,28 +129,30 @@ namespace NzbDrone.Core.MediaFiles
         [EventHandleOrder(EventHandleOrder.Last)]
         public void Handle(EpisodeFileDeletedEvent message)
         {
-            if (_configService.DeleteEmptyFolders)
+            if (!_configService.DeleteEmptyFolders || message.Reason == DeleteMediaFileReason.MissingFromDisk)
             {
-                var series = message.EpisodeFile.Series.Value;
-                var seriesPath = series.Path;
-                var folder = message.EpisodeFile.Path.GetParentPath();
+                return;
+            }
 
-                while (seriesPath.IsParentPath(folder))
+            var series = message.EpisodeFile.Series.Value;
+            var seriesPath = series.Path;
+            var folder = message.EpisodeFile.Path.GetParentPath();
+
+            while (seriesPath.IsParentPath(folder))
+            {
+                if (_diskProvider.FolderExists(folder))
                 {
-                    if (_diskProvider.FolderExists(folder))
-                    {
-                        _diskProvider.RemoveEmptySubfolders(folder);
-                    }
-
-                    folder = folder.GetParentPath();
+                    _diskProvider.RemoveEmptySubfolders(folder);
                 }
 
-                _diskProvider.RemoveEmptySubfolders(seriesPath);
+                folder = folder.GetParentPath();
+            }
 
-                if (_diskProvider.FolderEmpty(seriesPath))
-                {
-                    _diskProvider.DeleteFolder(seriesPath, true);
-                }
+            _diskProvider.RemoveEmptySubfolders(seriesPath);
+
+            if (_diskProvider.FolderEmpty(seriesPath))
+            {
+                _diskProvider.DeleteFolder(seriesPath, true);
             }
         }
     }