newsupernova/app/code/Magefan/Blog/Block/Author/PostList.php

<?php
/**
 * Copyright © 2016 Ihor Vansach (ihor@magefan.com). All rights reserved.
 * See LICENSE.txt for license details (http://opensource.org/licenses/osl-3.0.php).
 *
 * Glory to Ukraine! Glory to the heroes!
 */

namespace Magefan\Blog\Block\Author;

use Magento\Store\Model\ScopeInterface;

/**
 * Blog author posts list
 */
class PostList extends \Magefan\Blog\Block\Post\PostList
{
    /**
     * Prepare posts collection
     *
     * @return void
     */
    protected function _preparePostCollection()
    {
        parent::_preparePostCollection();
        if ($author = $this->getAuthor()) {
            $this->_postCollection->addAuthorFilter($author);
        }
    }

    /**
     * Retrieve author instance
     *
     * @return \Magefan\Blog\Model\Author
     */
    public function getAuthor()
    {
        return $this->_coreRegistry->registry('current_blog_author');
    }

    /**
     * Preparing global layout
     *
     * @return $this
     */
    protected function _prepareLayout()
    {
        if ($author = $this->getAuthor()) {
            $this->_addBreadcrumbs($author->getTitle(), 'blog_author');
            $this->pageConfig->addBodyClass('blog-author-' . $author->getIdentifier());
            $this->pageConfig->getTitle()->set($author->getTitle());
            $this->pageConfig->addRemotePageAsset(
                $author->getAuthorUrl(),
                'canonical',
                ['attributes' => ['rel' => 'canonical']]
            );
            $this->pageConfig->setRobots('NOINDEX,FOLLOW');
        }

        return parent::_prepareLayout();
    }

}