From 0bd3ebaeb40a3d612f3b8fa454d9ab21850614a9 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sun, 26 Jul 2020 10:50:11 -0700
Subject: [PATCH] Fixed: Don't create empty artist folder if delete empty
 folders is enabled

Fixes Sonarr/Sonarr#3838

(cherry picked from commit 4f15cd55be5f7332ebde608d8b438384865e9dc1)
---
 .../MediaFiles/DiskScanService.cs             | 30 ++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/NzbDrone.Core/MediaFiles/DiskScanService.cs b/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
index 0c5c4ca05..a77432497 100644
--- a/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
+++ b/src/NzbDrone.Core/MediaFiles/DiskScanService.cs
@@ -142,6 +142,35 @@ public void Scan(List<string> folders = null, FilterFilesType filter = FilterFil
                 mediaFileList.AddRange(files);
             }
 
+            var artists = _artistService.GetArtists(artistIds);
+
+            // Check for missing artist folders if specific artists are being scanned
+            if (artistIds != null && artistIds.Any())
+            {
+                foreach (var artist in artists)
+                {
+                    if (!_diskProvider.FolderExists(artist.Path))
+                    {
+                        if (_configService.CreateEmptyArtistFolders)
+                        {
+                            if (_configService.DeleteEmptyFolders)
+                            {
+                                _logger.Debug("Not creating missing artist folder: {0} because delete empty folders is enabled", artist.Path);
+                            }
+                            else
+                            {
+                                _logger.Debug("Creating missing artist folder: {0}", artist.Path);
+                                _diskProvider.CreateFolder(artist.Path);
+                            }
+                        }
+                        else
+                        {
+                            _logger.Debug("Artist folder doesn't exist: {0}", artist.Path);
+                        }
+                    }
+                }
+            }
+
             musicFilesStopwatch.Stop();
             _logger.Trace("Finished getting track files for:\n{0} [{1}]", folders.ConcatToString("\n"), musicFilesStopwatch.Elapsed);
 
@@ -211,7 +240,6 @@ public void Scan(List<string> folders = null, FilterFilesType filter = FilterFil
 
             _logger.Debug($"Updated info for {updatedFiles.Count} known files");
 
-            var artists = _artistService.GetArtists(artistIds);
             foreach (var artist in artists)
             {
                 CompletedScanning(artist);