Update Code

Author: Awbugl

Andreal.Core/Common/Path.cs

@@ -77,7 +77,9 @@ static Path()
 
     private Path(string rawpath) { _rawpath = rawpath; }
 
-    public bool FileExists => File.Exists(this);
+    private FileInfo? _fileInfo;
+
+    public FileInfo FileInfo => _fileInfo ??= new(this);
 
     public static Path BotConfig(uint qqid) => new(AndreaConfigRoot + $"BotInfo/{qqid}.andreal.konata.botinfo");
 
@@ -92,7 +94,16 @@ public static async Task<Path> ArcaeaSong(ArcaeaChart chart)
 
         var pth = new Path($"{ArcaeaImageRoot}Song/{song}.jpg");
 
-        if (!pth.FileExists) await ArcaeaUnlimitedApi.SongAssets(chart.SongID, chart.RatingClass, pth);
+        if (pth.FileInfo.Exists)
+        {
+            if (pth.FileInfo.Length > 10240)
+                return pth;
+            else
+                pth.FileInfo.Delete();
+        }
+
+        await ArcaeaUnlimitedApi.SongAssets(chart.SongID, chart.RatingClass, pth);
+
         return pth;
     }
 
@@ -129,21 +140,50 @@ public static async Task<Path> ArcaeaPartner(int partner, bool awakened)
     {
         var pth = new Path(ArcaeaImageRoot + $"Char/{partner}{(awakened ? "u" : "")}.png");
 
-        if (!pth.FileExists) await ArcaeaUnlimitedApi.CharAssets(partner, awakened, pth);
+        if (pth.FileInfo.Exists)
+        {
+            if (pth.FileInfo.Length > 10240)
+                return pth;
+            else
+                pth.FileInfo.Delete();
+        }
+
+        await ArcaeaUnlimitedApi.CharAssets(partner, awakened, pth);
+
         return pth;
     }
 
     public static async Task<Path> ArcaeaPartnerIcon(int partner, bool awakened)
     {
         var pth = new Path(ArcaeaImageRoot + $"Icon/{partner}{(awakened ? "u" : "")}.png");
-        if (!pth.FileExists) await ArcaeaUnlimitedApi.IconAssets(partner, awakened, pth);
+
+        if (pth.FileInfo.Exists)
+        {
+            if (pth.FileInfo.Length > 10240)
+                return pth;
+            else
+                pth.FileInfo.Delete();
+        }
+
+        await ArcaeaUnlimitedApi.IconAssets(partner, awakened, pth);
+
         return pth;
     }
 
     public static async Task<Path> ArcaeaChartPreview(ArcaeaChart chart)
     {
         var pth = new Path(ArcaeaImageRoot + $"Preview/{chart.SongID}_{chart.RatingClass}.jpg");
-        if (!pth.FileExists) await ArcaeaUnlimitedApi.PreviewAssets(chart.SongID, chart.RatingClass, pth);
+
+        if (pth.FileInfo.Exists)
+        {
+            if (pth.FileInfo.Length > 10240)
+                return pth;
+            else
+                pth.FileInfo.Delete();
+        }
+
+        await ArcaeaUnlimitedApi.PreviewAssets(chart.SongID, chart.RatingClass, pth);
+
         return pth;
     }
 

Andreal.Core/Executor/PjskExecutor.cs

@@ -213,7 +213,7 @@ private MessageChain Chart()
         ImageMessage ChartImage(string songId, string dif)
         {
             var pth = Path.PjskChart(songId, dif);
-            if (!pth.FileExists)
+            if (!pth.FileInfo.Exists)
                 Image.ImageExtend
                      .PngWithWhiteBg(WebHelper.DownloadImage($"https://minio.dnaroma.eu/sekai-assets/music/charts/{songId.PadLeft(4, '0')}/{dif}.png"),
                                      pth);

Andreal.Core/Model/Pjsk/SongInfo.cs

@@ -66,7 +66,7 @@ internal static bool CheckFull(string songID) =>
     private ImageMessage SongImage()
     {
         var pth = Path.PjskSong(SongID);
-        if (pth.FileExists) return ImageMessage.FromPath(pth);
+        if (!pth.FileInfo.Exists) return ImageMessage.FromPath(pth);
 
         var sid = SongID.PadLeft(3, '0');
         WebHelper.DownloadImage($"https://assets.pjsek.ai/file/pjsekai-assets/startapp/music/jacket/jacket_s_{sid}/jacket_s_{sid}.png",

Andreal.Core/UI/ImageGenerator/ArcBackgroundGenerator.cs

@@ -16,7 +16,7 @@ internal class ArcBackgroundGenerator
     internal async Task<BackGround> ArcV1()
     {
         var path = Path.ArcaeaBackground(1, _info);
-        return path.FileExists
+        return path.FileInfo.Exists
             ? new(path)
             : await GenerateArcV1(path);
     }
@@ -43,7 +43,7 @@ private async Task<BackGround> GenerateArcV1(Path path)
     internal async Task<BackGround> ArcV2()
     {
         var path = Path.ArcaeaBackground(2, _info);
-        return path.FileExists
+        return path.FileInfo.Exists
             ? new(path)
             : await GenerateArcV2(path);
     }
@@ -74,7 +74,7 @@ private async Task<BackGround> GenerateArcV2(Path path)
     internal async Task<BackGround> ArcV3()
     {
         var path = Path.ArcaeaBackground(3, _info);
-        return path.FileExists
+        return path.FileInfo.Exists
             ? new(path)
             : await GenerateArcV3(path);
     }

Andreal.Core/UI/ImageGenerator/PjskCurrentEventImageGenerator.cs

@@ -59,7 +59,7 @@ internal async Task<ImageMessage> Generate()
     private BackGround PjskEvent()
     {
         var path = Path.PjskEvent(_currentEvent.AssetbundleName);
-        return path.FileExists
+        return path.FileInfo.Exists
             ? new(path)
             : GeneratePjskEvent(path);
     }