Implement clear scores on beatmap

osu.Game/Scoring/ScoreManager.cs

@@ -55,9 +55,7 @@ namespace osu.Game.Scoring
 
         public Score GetScore(ScoreInfo score) => new LegacyDatabasedScore(score, rulesets, beatmaps, Files.Store);
 
-        public List<ScoreInfo> GetAllUsableScores() => ModelStore.ConsumableItems.Where(s => !s.DeletePending).ToList();
+        public IEnumerable<ScoreInfo> GetAllUsableScores() => ModelStore.ConsumableItems.Where(s => !s.DeletePending);
-
-        public IEnumerable<ScoreInfo> QueryScores(Expression<Func<ScoreInfo, bool>> query) => ModelStore.ConsumableItems.AsNoTracking().Where(query);
 
         public ScoreInfo Query(Expression<Func<ScoreInfo, bool>> query) => ModelStore.ConsumableItems.AsNoTracking().FirstOrDefault(query);
     }

osu.Game/Screens/Select/ClearScoreDialog.cs

@@ -0,0 +1,49 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Allocation;
+using osu.Game.Beatmaps;
+using osu.Game.Graphics;
+using osu.Game.Overlays.Dialog;
+using osu.Game.Scoring;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace osu.Game.Screens.Select
+{
+    public class ClearScoresDialog : PopupDialog
+    {
+        private ScoreManager manager;
+
+        [BackgroundDependencyLoader]
+        private void load(ScoreManager beatmapManager)
+        {
+            manager = beatmapManager;
+        }
+
+        public ClearScoresDialog(BeatmapSetInfo beatmap, IEnumerable<ScoreInfo> scores, Action refresh)
+        {
+            BodyText = $@"{beatmap.Metadata?.Artist} - {beatmap.Metadata?.Title}";
+
+            Icon = FontAwesome.fa_eraser;
+            HeaderText = $@"Clearing {scores.Count()} local score(s). Are you sure?";
+            Buttons = new PopupDialogButton[]
+            {
+                new PopupDialogOkButton
+                {
+                    Text = @"Yes. Please.",
+                    Action = () =>
+                    {
+                        manager.Delete(scores.ToList());
+                        refresh();
+                    }
+                },
+                new PopupDialogCancelButton
+                {
+                    Text = @"No, I'm still attached.",
+                },
+            };
+        }
+    }
+}

osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs

@@ -55,7 +55,7 @@ namespace osu.Game.Screens.Select.Leaderboards
         {
             if (Scope == BeatmapLeaderboardScope.Local)
             {
-                Scores = scoreManager.QueryScores(s => s.Beatmap.ID == Beatmap.ID).ToArray();
+                Scores = scoreManager.GetAllUsableScores().Where(s => s.Beatmap.ID == Beatmap.ID).ToArray();
                 PlaceholderState = Scores.Any() ? PlaceholderState.Successful : PlaceholderState.NoScores;
                 return null;
             }

osu.Game/Screens/Select/SongSelect.cs

@@ -1,11 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using osuTK;
-using osuTK.Input;
 using osu.Framework.Allocation;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Sample;
@@ -13,8 +8,8 @@ using osu.Framework.Audio.Track;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
-using osu.Framework.Logging;
 using osu.Framework.Input.Events;
+using osu.Framework.Logging;
 using osu.Framework.Screens;
 using osu.Framework.Threading;
 using osu.Game.Beatmaps;
@@ -31,6 +26,11 @@ using osu.Game.Screens.Menu;
 using osu.Game.Screens.Play;
 using osu.Game.Screens.Select.Options;
 using osu.Game.Skinning;
+using osuTK;
+using osuTK.Input;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace osu.Game.Screens.Select
 {
@@ -227,7 +227,7 @@ namespace osu.Game.Screens.Select
 
                 BeatmapOptions.AddButton(@"Delete", @"all difficulties", FontAwesome.fa_trash, colours.Pink, () => delete(Beatmap.Value.BeatmapSetInfo), Key.Number4, float.MaxValue);
                 BeatmapOptions.AddButton(@"Remove", @"from unplayed", FontAwesome.fa_times_circle_o, colours.Purple, null, Key.Number1);
-                BeatmapOptions.AddButton(@"Clear", @"local scores", FontAwesome.fa_eraser, colours.Purple, null, Key.Number2);
+                BeatmapOptions.AddButton(@"Clear", @"local scores", FontAwesome.fa_eraser, colours.Purple, () => clearScores(Beatmap.Value.BeatmapSetInfo), Key.Number2);
             }
 
             if (this.beatmaps == null)
@@ -625,6 +625,15 @@ namespace osu.Game.Screens.Select
             dialogOverlay?.Push(new BeatmapDeleteDialog(beatmap));
         }
 
+        private void clearScores(BeatmapSetInfo beatmap)
+        {
+            if (beatmap == null || beatmap.ID <= 0) return;
+
+            if (BeatmapDetails.Leaderboard.Scores == null || !BeatmapDetails.Leaderboard.Scores.Any()) return;
+
+            dialogOverlay?.Push(new ClearScoresDialog(beatmap, BeatmapDetails.Leaderboard.Scores, () => BeatmapDetails.Leaderboard.RefreshScores()));
+        }
+
         public override bool OnPressed(GlobalAction action)
         {
             if (!IsCurrentScreen) return false;