public ActionResult <CreateRoomResultModel> CreateRoom(int roomId)
{
var room = RoomList.FindRoom(roomId);
if (!(room is null))
{
return(new CreateRoomResultModel()
{
ExistRoom = true
});
}
RoomList.CreateRoom(roomId);
HttpContext.Session.SetInt32(KeyRoomId, roomId);
Response.Cookies.Append(KeyRoomId, roomId.ToString());
return(new CreateRoomResultModel());
}