App\Listeners\ActivityListener::updatedQuote PHP Method

    public function updatedQuote(QuoteWasUpdated $event)
    {
        if (!$event->quote->isChanged()) {
            return;
        }
        $backupQuote = Invoice::with('invoice_items', 'client.account', 'client.contacts')->find($event->quote->id);
        $activity = $this->activityRepo->create($event->quote, ACTIVITY_TYPE_UPDATE_QUOTE);
        $activity->json_backup = $backupQuote->hidePrivateFields()->toJSON();
        $activity->save();
    }