@impl true
  def handle_event("submit", %{"form" => params}, socket) do
    case AshPhoenix.Form.submit(socket.assigns.form, params: params) do
      {:ok, %{id: id}} ->
        {:noreply, socket |> push_navigate(to: ~p"/source/#{id}")}

      {:error,
       %Phoenix.HTML.Form{source: %AshPhoenix.Form{source: %Ash.Changeset{errors: errors}}} = form} ->
        if Enum.any?(errors, &match?(%Ash.Error.Forbidden.Policy{}, &1)) do
          socket =
            socket
            |> push_navigate(to: ~p"/source")
            |> put_flash(:error, "Please upgrade your plan.")

          {:noreply, socket}
        else
          {:noreply, socket |> assign(:form, form)}
        end
    end
  end