[Core] Implemented VideoEntity's VideoSize, VideoLength

Author: NoirHare

Lagrange.Core/Message/Entities/VideoEntity.cs

@@ -1,3 +1,4 @@
+using System.Numerics;
 using Lagrange.Core.Internal.Events.Message;
 using Lagrange.Core.Internal.Packets.Message;
 using Lagrange.Core.Internal.Packets.Service;
@@ -12,20 +13,24 @@ public class VideoEntity : RichMediaEntityBase
     private static readonly byte[] DefaultThumbnail = Convert.FromBase64String("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");
 
     internal override Lazy<Stream>? Stream { get; }
-    
+
+    public Vector2 VideoSize { get; init; }
+
+    public uint VideoLength { get; init; }
+
     internal Lazy<Stream>? ThumbnailStream { get; }
-    
+
     internal ImageEntity? ThumbnailEntity { get; private set; }
-    
+
     public VideoEntity() { }
-    
+
     public VideoEntity(Stream stream, Stream? thumbnailStream = null, bool disposeOnCompletion = false)
     {
         Stream = new Lazy<Stream>(() => stream);
         ThumbnailStream = new Lazy<Stream>(() => thumbnailStream ?? new MemoryStream(DefaultThumbnail));
         DisposeOnCompletion = disposeOnCompletion;
     }
-    
+
     public override async Task Preprocess(BotContext context, BotMessage message)
     {
         ArgumentNullException.ThrowIfNull(Stream);
@@ -87,7 +92,7 @@ public override async Task Postprocess(BotContext context, BotMessage message)
         NTV2RichMediaDownloadEventResp result = message.IsGroup()
             ? await context.EventContext.SendEvent<VideoGroupDownloadEventResp>(new VideoGroupDownloadEventReq(message, this))
             : await context.EventContext.SendEvent<VideoDownloadEventResp>(new VideoDownloadEventReq(message, this));
-        
+
         FileUrl = result.Url;
     }
 
@@ -132,23 +137,31 @@ internal override Elem[] Build()
     {
         if (target.CommonElem is { BusinessType: 11 or 21 } commonElem)
         {
-            return new VideoEntity { MsgInfo = ProtoHelper.Deserialize<MsgInfo>(commonElem.PbElem.Span) };
+            var msgInfo = ProtoHelper.Deserialize<MsgInfo>(commonElem.PbElem.Span);
+            var videoInfo = msgInfo.MsgInfoBody[0].Index.Info;
+            var thumbnailInfo = msgInfo.MsgInfoBody[1].Index.Info;
+            return new VideoEntity
+            {
+                MsgInfo = msgInfo,
+                VideoSize = new Vector2(videoInfo.Width, videoInfo.Height),
+                VideoLength = videoInfo.Time
+            };
         }
         return null;
     }
-    
+
     private static List<byte[]> CalculateStreamBytes(Stream inputStream)
     {
         const int blockSize = 1024 * 1024;
-        
+
         inputStream.Seek(0, SeekOrigin.Begin);
         var byteArrayList = new List<byte[]>();
         var sha1 = new Sha1Stream();
-        
+
         var buffer = new byte[Sha1Stream.Sha1BlockSize];
         var digest = new byte[Sha1Stream.Sha1DigestSize];
         int lastRead;
-        
+
         while (true)
         {
             int read = inputStream.Read(buffer);
@@ -157,15 +170,15 @@ private static List<byte[]> CalculateStreamBytes(Stream inputStream)
                 lastRead = read;
                 break;
             }
-            
+
             sha1.Update(buffer, Sha1Stream.Sha1BlockSize);
             if (inputStream.Position % blockSize == 0)
             {
                 sha1.Hash(digest, false);
                 byteArrayList.Add((byte[])digest.Clone());
             }
         }
-        
+
         sha1.Update(buffer, lastRead);
         sha1.Final(digest);
         byteArrayList.Add((byte[])digest.Clone());