From eb46c9ce9be47341a18e08fedeeb65408ac5847c Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Mon, 21 Dec 2020 17:11:30 +0900
Subject: [PATCH] Fix metadata lost in beatmapset deserialisation

---
 .../Online/API/Requests/Responses/APIBeatmapSet.cs  | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs b/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs
index 6d0160fbc4..720d6bfff4 100644
--- a/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs
+++ b/osu.Game/Online/API/Requests/Responses/APIBeatmapSet.cs
@@ -80,7 +80,7 @@ namespace osu.Game.Online.API.Requests.Responses
 
         public BeatmapSetInfo ToBeatmapSet(RulesetStore rulesets)
         {
-            return new BeatmapSetInfo
+            var beatmapSet = new BeatmapSetInfo
             {
                 OnlineBeatmapSetID = OnlineBeatmapSetID,
                 Metadata = this,
@@ -104,8 +104,17 @@ namespace osu.Game.Online.API.Requests.Responses
                     Genre = genre,
                     Language = language
                 },
-                Beatmaps = beatmaps?.Select(b => b.ToBeatmap(rulesets)).ToList(),
             };
+
+            beatmapSet.Beatmaps = beatmaps?.Select(b =>
+            {
+                var beatmap = b.ToBeatmap(rulesets);
+                beatmap.BeatmapSet = beatmapSet;
+                beatmap.Metadata = beatmapSet.Metadata;
+                return beatmap;
+            }).ToList();
+
+            return beatmapSet;
         }
     }
 }