def create(request):
    """
    Handles post from the "Add room" form on the homepage, and
    redirects to the new room.
    """
    name = request.POST.get("name")
    if name:
        room, created = ChatRoom.objects.get_or_create(name=name)
        return redirect(room)
    return redirect(rooms)
Handles post from the "Add room" form on the homepage, and
    redirects to the new room.