Facade

<?php

class ArticleFacade {

    /** @var ArticleRepository */
    private $articleRepository;

    /** @var ArticleService */
    private $articleService;

    public function __construct(ArticleRepository $articleRepository, ArticleService $articleService) {
        $this->articleRepository = $articleRepository;
        $this->articleService = $articleService;
    }

    public function getAllArticles()
    {
        return $this->articleRepository->findAll();
    }

    public function find($id)
    {
        return $this->articleRepository->find($id);
    }

    public function getTopArticles(DateTime $since, $maxResults)
    {
        return $this->articleRepository->findArticlesSince($since);
    }

    public function publish($id, DateTime $date) {
        $article = $this->articleRepository->find($id);
        $article->setPublished($date);
        $this->articleRepository->save($article);
    }

    public function add($values)
    {
        $article = new Article();
        $article->setTitle($values["title"]);
        $article->setContent($values["content"]);
        $this->articleRepository->save($article);
    }

}

?>