Attempted to call an undefined method named "getEntityManager" of class "AppRepositorySearchRepository".

class SearchRepository
{

    public function findAllWithSearch($email){
        $entityManager = $this->getEntityManager();

        $query = $entityManager->createQuery(
            'SELECT u
            FROM AppEntityUser u
            WHERE u.email :email'
        )->setParameter('email', $email);
        return $query->execute();
    }
}

class SearchController extends AbstractController
{
    /**
     * @Route("/admin/search/", name="admin_search")
     * @Security("is_granted('ROLE_ADMIN')")
     */
    public function searchUser(SearchRepository $repository, Request $request)
    {
        $q = $request->query->get('search');
        $comments = $repository->findllWithSearch($q);
        return $this->render('admin/search/search.html.twig',
        [            'user' => $repository,
        ]);
    }
}

<form action="" method="get">
        <input type="search" name="search" value="" placeholder="Recherche.." />
        <input type="submit" value="Valider" />
    </form>