Add GetStream to IWorkingBeatmap

This is necessary to obtain the filesize of the audio and background files.

osu.Game.Tests/Beatmaps/Formats/LegacyBeatmapEncoderTest.cs

@@ -168,6 +168,8 @@ namespace osu.Game.Tests.Beatmaps.Formats
             protected override Texture GetBackground() => throw new NotImplementedException();
 
             protected override Track GetBeatmapTrack() => throw new NotImplementedException();
+
+            public override Stream GetStream(string storagePath) => throw new NotImplementedException();
         }
     }
 }

osu.Game.Tests/WaveformTestBeatmap.cs

@@ -52,6 +52,8 @@ namespace osu.Game.Tests
 
         protected override Waveform GetWaveform() => new Waveform(trackStore.GetStream(firstAudioFile));
 
+        public override Stream GetStream(string storagePath) => null;
+
         protected override Track GetBeatmapTrack() => trackStore.Get(firstAudioFile);
 
         private string firstAudioFile

osu.Game/Beatmaps/BeatmapManager.cs

@@ -526,6 +526,7 @@ namespace osu.Game.Beatmaps
             protected override IBeatmap GetBeatmap() => beatmap;
             protected override Texture GetBackground() => null;
             protected override Track GetBeatmapTrack() => null;
+            public override Stream GetStream(string storagePath) => null;
         }
     }
 

osu.Game/Beatmaps/BeatmapManager_WorkingBeatmap.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
+using System.IO;
 using osu.Framework.Audio.Track;
 using osu.Framework.Graphics.Textures;
 using osu.Framework.Logging;
@@ -142,6 +143,8 @@ namespace osu.Game.Beatmaps
                     return null;
                 }
             }
+
+            public override Stream GetStream(string storagePath) => resources.Files.GetStream(storagePath);
         }
     }
 }

osu.Game/Beatmaps/DummyWorkingBeatmap.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Threading;
 using JetBrains.Annotations;
 using osu.Framework.Audio;
@@ -48,6 +49,8 @@ namespace osu.Game.Beatmaps
 
         protected override Track GetBeatmapTrack() => GetVirtualTrack();
 
+        public override Stream GetStream(string storagePath) => null;
+
         private class DummyRulesetInfo : RulesetInfo
         {
             public override Ruleset CreateInstance() => new DummyRuleset();

osu.Game/Beatmaps/WorkingBeatmap.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -326,6 +327,8 @@ namespace osu.Game.Beatmaps
         protected virtual ISkin GetSkin() => new DefaultSkin();
         private readonly RecyclableLazy<ISkin> skin;
 
+        public abstract Stream GetStream(string storagePath);
+
         public class RecyclableLazy<T>
         {
             private Lazy<T> lazy;

osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs

@@ -116,6 +116,8 @@ namespace osu.Game.Screens.Edit
             protected override Texture GetBackground() => throw new NotImplementedException();
 
             protected override Track GetBeatmapTrack() => throw new NotImplementedException();
+
+            public override Stream GetStream(string storagePath) => throw new NotImplementedException();
         }
     }
 }

osu.Game/Tests/Beatmaps/BeatmapConversionTest.cs

@@ -215,6 +215,8 @@ namespace osu.Game.Tests.Beatmaps
 
             protected override Track GetBeatmapTrack() => throw new NotImplementedException();
 
+            public override Stream GetStream(string storagePath) => throw new NotImplementedException();
+
             protected override IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap, Ruleset ruleset)
             {
                 var converter = base.CreateBeatmapConverter(beatmap, ruleset);

osu.Game/Tests/Beatmaps/TestWorkingBeatmap.cs

@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System.IO;
 using osu.Framework.Audio;
 using osu.Framework.Audio.Track;
 using osu.Framework.Graphics.Textures;
@@ -35,6 +36,8 @@ namespace osu.Game.Tests.Beatmaps
 
         protected override Storyboard GetStoryboard() => storyboard ?? base.GetStoryboard();
 
+        public override Stream GetStream(string storagePath) => null;
+
         protected override Texture GetBackground() => null;
 
         protected override Track GetBeatmapTrack() => null;