controller.php

<?php

/**
 * Displays the list of blog_post.
 *
 * @param \eZ\Publish\Core\MVC\Symfony\View\ContentView $view
 * @param \Symfony\Component\HttpFoundation\Request $request
 *
 * @return \Symfony\Component\HttpFoundation\Response
 */
public function listBlogPostsAction(ContentView $view, Request $request)
{
    $location = $view->getLocation();
    $languages = $this->configResolver->getParameter('languages');
    $query = new Query();
    $query->query = $this->childrenCriteria->generateChildCriterion($location, $languages);
    $query->sortClauses = [
        new SortClause\Field('blog_post', 'publication_date', Query::SORT_DESC, $languages[0]),
    ];
    $pager = new Pagerfanta(
        new ContentSearchAdapter($query, $this->searchService)
    );
    $pager->setMaxPerPage($this->blogPostLimit);
    $pager->setCurrentPage($request->get('page', 1));
    $view->addParameters([
        'location' => $location,
        'content' => $this->contentService->loadContentByContentInfo($view->getLocation()->getContentInfo()),
        'blogPosts' => $pager,
    ]);
    return $view;
}