stateInvoice();
        if (! Auth::user()->can('edit', $invoice)) {
            throw new Exception(trans('texts.not_allowed'));
        }
        $contactMailer = app('App\Ninja\Mailers\ContactMailer');
        $contactMailer->sendInvoice($invoice);
        $message = trans('texts.bot_emailed_' . $invoice->getEntityType());
        if (Auth::user()->notify_viewed) {
            $message .= '
' . trans('texts.bot_emailed_notify_viewed');
        } elseif (Auth::user()->notify_paid) {
            $message .= '
' . trans('texts.bot_emailed_notify_paid');
        }
        return SkypeResponse::message($message);
    }
}