[Core] Expose fileId for GroupFSUpload

Author: Linwenxuan04

Lagrange.Core/Common/Interface/MessageExt.cs

@@ -27,7 +27,7 @@ public static Task<List<BotMessage>> GetRoamMessage(this BotContext context, Bot
     public static Task<bool> SendFriendFile(this BotContext context, long targetUin, Stream fileStream, string? fileName = null)
         => context.EventContext.GetLogic<OperationLogic>().SendFriendFile(targetUin, fileStream, fileName);
 
-    public static Task<bool> SendGroupFile(this BotContext context, long groupUin, Stream fileStream, string? fileName = null, string parentDirectory = "/")
+    public static Task<string> SendGroupFile(this BotContext context, long groupUin, Stream fileStream, string? fileName = null, string parentDirectory = "/")
         => context.EventContext.GetLogic<OperationLogic>().SendGroupFile(groupUin, fileStream, fileName, parentDirectory);
 
     public static Task<string> GroupFSDownload(this BotContext context, long groupUin, string fileId)

Lagrange.Core/Internal/Logic/OperationLogic.cs

@@ -124,7 +124,7 @@ private static string ResolveFileName(Stream fileStream, string? fileName)
         return fileName;
     }
 
-    public async Task<bool> SendGroupFile(long groupUin, Stream fileStream, string? fileName, string parentDirectory)
+    public async Task<string> SendGroupFile(long groupUin, Stream fileStream, string? fileName, string parentDirectory)
     {
         fileName = ResolveFileName(fileStream, fileName);
 
@@ -185,13 +185,13 @@ public async Task<bool> SendGroupFile(long groupUin, Stream fileStream, string?
             };
 
             bool success = await context.HighwayContext.UploadFile(fileStream, 71, ProtoHelper.Serialize(ext));
-            if (!success) return false;
+            if (!success) throw new OperationException(-1, "File upload failed");
         }
 
         uint random = (uint)Random.Shared.Next();
         var feedResult = await context.EventContext.SendEvent<GroupFileSendEventResp>(new GroupFileSendEventReq(groupUin, uploadResp.FileId, random));
         if (feedResult.RetCode != 0) throw new OperationException(feedResult.RetCode, feedResult.RetMsg);
 
-        return true; // TODO: Random
+        return uploadResp.FileId;
     }
 }