exalign

defmodule Example.MultilineArms do
  def process(event) do
    case event do
      {:user, :created, user} ->
        user
        |> send_welcome_email()
        |> log_event(:created)
      {:user, :updated, user} ->
        user
        |> notify_watchers()
        |> log_event(:updated)
      {:user, :deleted, user} ->
        user
        |> revoke_sessions()
        |> archive_data()
        |> log_event(:deleted)
      {:system, action} -> Logger.info("System event: #{action}")
    end
  end

  def route(path, method) do
    case {path, method} do
      {"/users", "GET"}           -> list_users()
      {"/users", "POST"}          -> create_user()
      {"/users/" <> id, "GET"}    -> get_user(id)
      {"/users/" <> id, "PUT"}    -> update_user(id)
      {"/users/" <> id, "DELETE"} -> delete_user(id)
      _                           -> {:error, :not_found}
    end
  end
end