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<?php
/**
* Implements Special:Lonelypaages
*
* 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
*/
/**
* A special page looking for articles with no article linking to them,
* thus being lonely.
*
* @ingroup SpecialPage
*/
class LonelyPagesPage extends PageQueryPage {
function getName() {
return "Lonelypages";
}
function getPageHeader() {
return wfMsgExt( 'lonelypagestext', array( 'parse' ) );
}
function sortDescending() {
return false;
}
function isExpensive() {
return true;
}
function isSyndicated() { return false; }
function getSQL() {
$dbr = wfGetDB( DB_SLAVE );
list( $page, $pagelinks, $templatelinks ) = $dbr->tableNamesN( 'page', 'pagelinks', 'templatelinks' );
return
"SELECT 'Lonelypages' AS type,
page_namespace AS namespace,
page_title AS title,
page_title AS value
FROM $page
LEFT JOIN $pagelinks
ON page_namespace=pl_namespace AND page_title=pl_title
LEFT JOIN $templatelinks
ON page_namespace=tl_namespace AND page_title=tl_title
WHERE pl_namespace IS NULL
AND page_namespace=".NS_MAIN."
AND page_is_redirect=0
AND tl_namespace IS NULL";
}
}
/**
* Constructor
*/
function wfSpecialLonelypages() {
list( $limit, $offset ) = wfCheckLimits();
$lpp = new LonelyPagesPage();
return $lpp->doQuery( $offset, $limit );
}
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