class NewCars extends Nette\Object
{
    /** @var DibiConnection */
    private $db;

    public function __construct(DibiConnection $db)
    {
        $this->db = $db;
    }

    public function findAll()
    {
        return $this->db->select('*')->from('nove_vozy')
            ->fetchAll();
    }

        public function find($id = 0)
        {
            return $this->db->select('*')->from('nove_vozy')
        ->where('id = %s', $id)
        ->fetch();
        }
}


# config


services:
        newCars:
            class: NewCars(@db)


# presenter


class HomepagePresenter extends BasePresenter
{
        private $newCars;

        protected function startup()
        {
            parent::startup();
            $this->newCars = $this->context->newCars;
        }

    public function renderDefault()
    {
                $this->template->newCars = $this->newCars->findAll();
    }

}