Domain-Driven Design in PHP

DQL Implementation

In the case of this Repository, we'll only need the EntityManager to retrieve Domain objects directly from the database:

namespace Infrastructure\Persistence\Doctrine;use Doctrine\ORM\EntityManager;use Domain\Model\Post;use Domain\Model\PostId;use Domain\Model\PostRepository;class DoctrinePostRepository implements PostRepository{    protected $em;    public function __construct(EntityManager $em)    {        $this->em = $em;    }    public function add(Post $aPost)    {        $this->em->persist($aPost);    }    public function remove(Post $aPost)    {        $this->em->remove($aPost);    }    public function postOfId(PostId $anId)    {        return $this->em->find('Domain\Model\Post', $anId);    }    public function latestPosts(\DateTimeImmutable $sinceADate)    { return $this->em->createQueryBuilder() ...