/**
  * get Current queryBuilder
  *
  * @param Post $article
  * @return \Doctrine\ORM\QueryBuilder $queryBuilder
  */
 public function getArticlesQueryBuilder(Post $article)
 {
     $queryBuilder = $this->createQueryBuilder('n')->select('n')->andWhere('n.publicationDateStart IS NULL OR DATE(n.publicationDateStart) <= CURRENT_DATE()')->setParameter('publicationDateStart', $article->getPublicationDateStart())->orderBy('n.publicationDateStart', 'desc')->addOrderBy('n.title', 'asc')->setMaxResults(1);
     return $queryBuilder;
 }