mediawiki-skins-MinervaNeue/includes/skins/SkinUserPageHelper.php

<?php
/**
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */

namespace MediaWiki\Minerva;

use Title;
use User;

class SkinUserPageHelper {
	/**
	 * @var Title
	 */
	private $title;
	/**
	 * @var bool
	 */
	private $fetchedData = false;

	/**
	 * @var User
	 */
	private $pageUser;

	/**
	 * @param Title $title
	 */
	public function __construct( Title $title ) {
		$this->title = $title;
	}

	/**
	 * Fetch user data and store locally for perfomance improvement
	 */
	private function fetchData() {
		if ( $this->fetchedData === false ) {
			if ( $this->title->inNamespace( NS_USER ) && !$this->title->isSubpage() ) {
				$pageUserId = User::idFromName( $this->title->getText() );
				if ( $pageUserId ) {
					$this->pageUser = User::newFromId( $pageUserId );
				}
			}
			$this->fetchedData = true;
		}
	}

	/**
	 * @return User|null
	 */
	public function getPageUser() {
		$this->fetchData();
		return $this->pageUser;
	}

	/**
	 * @return bool
	 */
	public function isUserPage() {
		$this->fetchData();
		return $this->pageUser !== null;
	}
}