protected function getCatalogItems( array $listItems )
	{
		$ids = [];

		foreach( $listItems as $listItem ) {
			$ids[] = $listItem->getParentId();
		}

		$manager = \Aimeos\MShop::create( $this->getContext(), 'catalog' );

		$search = $manager->createSearch();
		$search->setConditions( $search->compare( '==', 'catalog.id', $ids ) );

		return $manager->searchItems( $search );
	}