protected function getUnits($locale)
    {
        /** @var Status[] $units */
        $units = $this->get('sulu_product.unit_manager')->findAll($locale);

        $unitTitles = [];
        foreach ($units as $unit) {
            $unitTitles[] = [
                'id' => $unit->getId(),
                'name' => $unit->getName(),
            ];
        }

        return $unitTitles;
    }