fix: add guard for shared side stories

Added a guard to prevent accidentally duplicating a series across multiple merge groups because the series is a side story to multiple main stories (e.g. linked to two series which have a sequel/prequel relationship, etc.).
ShokoAnime · Feb 4, 2025 · e0b473c · e0b473c
1 parent 48ae685
commit e0b473c
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/Shokofin/API/ShokoAPIManager.cs b/Shokofin/API/ShokoAPIManager.cs
@@ -1395,6 +1395,16 @@ var sequelRelation in currentRelations
                             if (sequelSeries.AniDB.AirDate is not { } sequelDate || (sequelRelation.Type is RelationType.Sequel && sequelDate < currentDate))
                                 continue;
 
+                            if (sequelRelation.Type is RelationType.SideStory) {
+                                var sequelRelations = await ApiClient.GetRelationsForShokoSeries(sequelSeries.Id).ConfigureAwait(false);
+                                sequelRelations = sequelRelations
+                                    .Where(relation => relation.Type is RelationType.MainStory && relation.RelatedIDs.Shoko.HasValue)
+                                    .OrderBy(relation => relation.RelatedIDs.AniDB)
+                                    .ToList();
+                                if (sequelRelations.Count == 0 || sequelRelations[0].RelatedIDs.AniDB != sequelRelation.IDs.AniDB)
+                                    continue;
+                            }
+
                             var mergeOverride = (
                                 sequelRelation.Type is RelationType.Sequel && (currentConfig.MergeOverride.HasFlag(SeriesMergingOverride.MergeForward) || sequelConfig.MergeOverride.HasFlag(SeriesMergingOverride.MergeBackward))
                             ) || (