<?php
/**
 * Implements Special:Ancientpages
 *
 * 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
 * @ingroup SpecialPage
 */

use MediaWiki\MediaWikiServices;

/**
 * Implements Special:Ancientpages
 *
 * @ingroup SpecialPage
 */
class AncientPagesPage extends QueryPage {

	function __construct( $name = 'Ancientpages' ) {
		parent::__construct( $name );
	}

	public function isExpensive() {
		return true;
	}

	function isSyndicated() {
		return false;
	}

	public function getQueryInfo() {
		$tables = [ 'page', 'revision' ];
		$conds = [
			'page_namespace' =>
				MediaWikiServices::getInstance()->getNamespaceInfo()->getContentNamespaces(),
			'page_is_redirect' => 0
		];
		$joinConds = [
			'revision' => [
				'JOIN', [
					'page_latest = rev_id'
				]
			],
		];

		// Allow extensions to modify the query
		Hooks::run( 'AncientPagesQuery', [ &$tables, &$conds, &$joinConds ] );

		return [
			'tables' => $tables,
			'fields' => [
				'namespace' => 'page_namespace',
				'title' => 'page_title',
				'value' => 'rev_timestamp'
			],
			'conds' => $conds,
			'join_conds' => $joinConds
		];
	}

	public function usesTimestamps() {
		return true;
	}

	function sortDescending() {
		return false;
	}

	public function preprocessResults( $db, $res ) {
		$this->executeLBFromResultWrapper( $res );
	}

	/**
	 * @param Skin $skin
	 * @param object $result Result row
	 * @return string
	 */
	function formatResult( $skin, $result ) {
		$d = $this->getLanguage()->userTimeAndDate( $result->value, $this->getUser() );
		$title = Title::makeTitle( $result->namespace, $result->title );
		$linkRenderer = $this->getLinkRenderer();
		$link = $linkRenderer->makeKnownLink(
			$title,
			new HtmlArmor( MediaWikiServices::getInstance()->getContentLanguage()->
				convert( htmlspecialchars( $title->getPrefixedText() ) ) )
		);

		return $this->getLanguage()->specialList( $link, htmlspecialchars( $d ) );
	}

	protected function getGroupName() {
		return 'maintenance';
	}
}