From 989a20e99ce1ddbc7fb179b69ef3358d15d040b6 Mon Sep 17 00:00:00 2001
From: Kurt Roeckx <kurt@roeckx.be>
Date: Sat, 7 Aug 2021 15:55:03 +0200
Subject: [PATCH] Support creating rooms with a version

---
 src/client_server/room.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/client_server/room.rs b/src/client_server/room.rs
index f73d5445..cc7dba6c 100644
--- a/src/client_server/room.rs
+++ b/src/client_server/room.rs
@@ -65,7 +65,19 @@ pub async fn create_room_route(
     let mut content = ruma::events::room::create::CreateEventContent::new(sender_user.clone());
     content.federate = body.creation_content.federate;
     content.predecessor = body.creation_content.predecessor.clone();
-    content.room_version = RoomVersionId::Version6;
+    content.room_version = match body.room_version.clone() {
+        Some(room_version) => {
+            if room_version == RoomVersionId::Version5 || room_version == RoomVersionId::Version6 {
+                room_version
+            } else {
+                return Err(Error::BadRequest(
+                    ErrorKind::UnsupportedRoomVersion,
+                    "This server does not support that room version.",
+                ));
+            }
+        }
+        None => RoomVersionId::Version6,
+    };
 
     // 1. The room create event
     db.rooms.build_and_append_pdu(