Move the cue sheet info list into ImportDecisionMakerInfo to eliminate the IMakeImportDecision API change.

Fix a crash when trying to import an album while the artist is not added yet.

(cherry picked from commit d439677e3a0bf5c7f9f92a5ca0b72ad89c6ee912)

src/NzbDrone.Core/MediaFiles/CueSheetService.cs

@@ -73,7 +73,9 @@ namespace NzbDrone.Core.MediaFiles
                     audioFilesForCues.AddRange(cueSheetInfo.MusicFiles);
                 }
 
-                decisions.AddRange(_importDecisionMaker.GetImportDecisions(audioFilesForCues, cueSheetInfoGroup.First().IdOverrides, itemInfo, config, cueSheetInfos));
+                var itemInfoWithCueSheetInfos = itemInfo;
+                itemInfoWithCueSheetInfos.CueSheetInfos = cueSheetInfoGroup.ToList();
+                decisions.AddRange(_importDecisionMaker.GetImportDecisions(audioFilesForCues, cueSheetInfoGroup.First().IdOverrides, itemInfoWithCueSheetInfos, config));
 
                 foreach (var cueSheetInfo in cueSheetInfos)
                 {
@@ -124,7 +126,8 @@ namespace NzbDrone.Core.MediaFiles
                     return;
                 }
 
-                decision.Item.Tracks = tracksFromRelease.Where(trackFromRelease => !addedTracks.Contains(trackFromRelease) && tracksFromCueSheet.Any(trackFromCueSheet => string.Equals(trackFromCueSheet.Title, trackFromRelease.Title, StringComparison.InvariantCultureIgnoreCase))).ToList();
+                // TODO diacritics could cause false positives here
+                decision.Item.Tracks = tracksFromRelease.Where(trackFromRelease => !addedTracks.Contains(trackFromRelease) && tracksFromCueSheet.Any(trackFromCueSheet => string.Equals(trackFromCueSheet.Title, trackFromRelease.Title, StringComparison.OrdinalIgnoreCase))).ToList();
                 addedTracks.AddRange(decision.Item.Tracks);
             });
 
@@ -314,7 +317,7 @@ namespace NzbDrone.Core.MediaFiles
             var parsedAlbumInfo = new ParsedAlbumInfo
             {
                 AlbumTitle = cueSheet.Title,
-                ArtistName = artistFromCue.Name,
+                ArtistName = artistFromCue?.Name,
                 ReleaseDate = cueSheet.Date,
             };
 

src/NzbDrone.Core/MediaFiles/TrackImport/Identification/IdentificationService.cs

@@ -17,7 +17,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport.Identification
 {
     public interface IIdentificationService
     {
-        List<LocalAlbumRelease> Identify(List<LocalTrack> localTracks, IdentificationOverrides idOverrides, ImportDecisionMakerConfig config, List<CueSheetInfo> cueSheetInfos = null);
+        List<LocalAlbumRelease> Identify(List<LocalTrack> localTracks, IdentificationOverrides idOverrides, ImportDecisionMakerConfig config);
     }
 
     public class IdentificationService : IIdentificationService
@@ -114,7 +114,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport.Identification
             return releases;
         }
 
-        public List<LocalAlbumRelease> Identify(List<LocalTrack> localTracks, IdentificationOverrides idOverrides, ImportDecisionMakerConfig config, List<CueSheetInfo> cueSheetInfos = null)
+        public List<LocalAlbumRelease> Identify(List<LocalTrack> localTracks, IdentificationOverrides idOverrides, ImportDecisionMakerConfig config)
         {
             // 1 group localTracks so that we think they represent a single release
             // 2 get candidates given specified artist, album and release.  Candidates can include extra files already on disk.

src/NzbDrone.Core/MediaFiles/TrackImport/ImportDecisionMaker.cs

@@ -20,7 +20,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
 {
     public interface IMakeImportDecision
     {
-        List<ImportDecision<LocalTrack>> GetImportDecisions(List<IFileInfo> musicFiles, IdentificationOverrides idOverrides, ImportDecisionMakerInfo itemInfo, ImportDecisionMakerConfig config, List<CueSheetInfo> cueSheetInfos = null);
+        List<ImportDecision<LocalTrack>> GetImportDecisions(List<IFileInfo> musicFiles, IdentificationOverrides idOverrides, ImportDecisionMakerInfo itemInfo, ImportDecisionMakerConfig config);
     }
 
     public class IdentificationOverrides
@@ -34,6 +34,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
     {
         public DownloadClientItem DownloadClientItem { get; set; }
         public ParsedAlbumInfo ParsedAlbumInfo { get; set; }
+        public List<CueSheetInfo> CueSheetInfos { get; set; } = new List<CueSheetInfo>();
     }
 
     public class ImportDecisionMakerConfig
@@ -144,7 +145,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
             return Tuple.Create(localTracks, decisions);
         }
 
-        public List<ImportDecision<LocalTrack>> GetImportDecisions(List<IFileInfo> musicFiles, IdentificationOverrides idOverrides, ImportDecisionMakerInfo itemInfo, ImportDecisionMakerConfig config, List<CueSheetInfo> cueSheetInfos)
+        public List<ImportDecision<LocalTrack>> GetImportDecisions(List<IFileInfo> musicFiles, IdentificationOverrides idOverrides, ImportDecisionMakerInfo itemInfo, ImportDecisionMakerConfig config)
         {
             idOverrides ??= new IdentificationOverrides();
             itemInfo ??= new ImportDecisionMakerInfo();
@@ -154,11 +155,11 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
             var decisions = trackData.Item2;
 
             localTracks.ForEach(x => x.ExistingFile = !config.NewDownload);
-            if (cueSheetInfos != null)
+            if (!itemInfo.CueSheetInfos.Empty())
             {
                 localTracks.ForEach(localTrack =>
                 {
-                    var cueSheetFindResult = cueSheetInfos.Find(x => x.IsForMediaFile(localTrack.Path));
+                    var cueSheetFindResult = itemInfo.CueSheetInfos.Find(x => x.IsForMediaFile(localTrack.Path));
                     var cueSheet = cueSheetFindResult?.CueSheet;
                     if (cueSheet != null)
                     {
@@ -186,7 +187,7 @@ namespace NzbDrone.Core.MediaFiles.TrackImport
                 });
             }
 
-            var releases = _identificationService.Identify(localTracks, idOverrides, config, cueSheetInfos);
+            var releases = _identificationService.Identify(localTracks, idOverrides, config);
 
             var albums = releases.GroupBy(x => x.AlbumRelease?.Album?.Value.ForeignAlbumId);
 

src/NzbDrone.Core/MediaFiles/TrackImport/Manual/ManualImportService.cs

@@ -186,9 +186,9 @@ namespace NzbDrone.Core.MediaFiles.TrackImport.Manual
             };
 
             var decisions = _cueSheetService.GetImportDecisions(ref audioFiles, itemInfo, config);
-            if (audioFiles.Count > 0)
+            if (!audioFiles.Empty())
             {
-                decisions.AddRange(_importDecisionMaker.GetImportDecisions(audioFiles, idOverrides, itemInfo, config, cueSheetInfos));
+                decisions.AddRange(_importDecisionMaker.GetImportDecisions(audioFiles, idOverrides, itemInfo, config));
             }
 
             // paths will be different for new and old files which is why we need to map separately