prevent unconfirmed users from logging in

lib/lokal/accounts.ex

@@ -279,7 +279,7 @@ defmodule Lokal.Accounts do
     end
   end
 
-  defp confirm_user_multi(user) do
+  def confirm_user_multi(user) do
     Ecto.Multi.new()
     |> Ecto.Multi.update(:user, User.confirm_changeset(user))
     |> Ecto.Multi.delete_all(:tokens, UserToken.user_and_contexts_query(user, ["confirm"]))