From b93c5e7e284c73c97192bf4ff7002c4b396ed2e9 Mon Sep 17 00:00:00 2001
From: Rory& <root@rory.gay>
Date: Mon, 16 Sep 2024 08:43:42 +0200
Subject: Sync optimisation changes

---
 LibMatrix/RoomTypes/GenericRoom.cs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'LibMatrix/RoomTypes/GenericRoom.cs')

diff --git a/LibMatrix/RoomTypes/GenericRoom.cs b/LibMatrix/RoomTypes/GenericRoom.cs
index 4f6a4e9..4324dc3 100644
--- a/LibMatrix/RoomTypes/GenericRoom.cs
+++ b/LibMatrix/RoomTypes/GenericRoom.cs
@@ -1,6 +1,7 @@
 using System.Collections.Frozen;
 using System.Diagnostics;
 using System.Net.Http.Json;
+using System.Security.Cryptography;
 using System.Text.Json;
 using System.Text.Json.Nodes;
 using System.Text.Json.Serialization;
@@ -211,10 +212,11 @@ public class GenericRoom {
     public async Task<RoomIdResponse> JoinAsync(string[]? homeservers = null, string? reason = null, bool checkIfAlreadyMember = true) {
         if (checkIfAlreadyMember)
             try {
-                _ = await GetCreateEventAsync();
-                return new RoomIdResponse {
-                    RoomId = RoomId
-                };
+                var ser = await GetStateEventOrNullAsync(RoomMemberEventContent.EventId, Homeserver.UserId);
+                if (ser?.TypedContent is RoomMemberEventContent { Membership: "join" })
+                    return new RoomIdResponse {
+                        RoomId = RoomId
+                    };
             }
             catch { } //ignore
 
-- 
cgit 1.4.1