TYPO3-CMS - Extbase - Repository - Sorting

Blog.php

class Blog extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity

	/**
 	* blogRepository
 	*
 	* @var \ChGreenBanana\Famoca\Domain\Repository\PostRepository
 	* @inject
	*/
	protected $postRepository;

  	/**
	 * Returns the posts
	 *
	 * @return \TYPO3\CMS\Extbase\Persistence\ObjectStorage<\ChGreenBanana\Famoca\Domain\Model\Post> $posts
	 */
	public function getPosts() {
		return $this->postRepository->findByBlog($this);
	}

} 

PostRepository.php

class PostRepository extends \TYPO3\CMS\Extbase\Persistence\Repository {

	/**
	 * defaultOrderings
	 *
	 * @var array
	 */
	protected $defaultOrderings = array(
	    'date' => \TYPO3\CMS\Extbase\Persistence\QueryInterface::ORDER_ASCENDING,
	);
}