- defp set_subscribers(user, subscribers) do
- params = %{subscribers: subscribers}
-
- user
- |> cast(params, [:subscribers])
- |> validate_required([:subscribers])
- |> update_and_set_cache()
- end
-
- def add_to_subscribers(user, subscribed) do
- set_subscribers(user, Enum.uniq([subscribed | user.subscribers]))
- end
-
- def remove_from_subscribers(user, subscribed) do
- set_subscribers(user, List.delete(user.subscribers, subscribed))
- end
-