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<?php
/**
* Implements Special:Shortpages
*
* 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
*/
/**
* SpecialShortpages extends QueryPage. It is used to return the shortest
* pages in the database.
*
* @ingroup SpecialPage
*/
class ShortPagesPage extends QueryPage {
function getName() {
return 'Shortpages';
}
/**
* This query is indexed as of 1.5
*/
function isExpensive() {
return true;
}
function isSyndicated() {
return false;
}
function getSQL() {
global $wgContentNamespaces;
$dbr = wfGetDB( DB_SLAVE );
$page = $dbr->tableName( 'page' );
$name = $dbr->addQuotes( $this->getName() );
$forceindex = $dbr->useIndexClause("page_len");
if ($wgContentNamespaces)
$nsclause = "page_namespace IN (" . $dbr->makeList($wgContentNamespaces) . ")";
else
$nsclause = "page_namespace = " . NS_MAIN;
return
"SELECT $name as type,
page_namespace as namespace,
page_title as title,
page_len AS value
FROM $page $forceindex
WHERE $nsclause AND page_is_redirect=0";
}
function preprocessResults( $db, $res ) {
# There's no point doing a batch check if we aren't caching results;
# the page must exist for it to have been pulled out of the table
if( $this->isCached() ) {
$batch = new LinkBatch();
foreach ( $res as $row ) {
$batch->add( $row->namespace, $row->title );
}
$batch->execute();
if ( $db->numRows( $res ) > 0 ) {
$db->dataSeek( $res, 0 );
}
}
}
function sortDescending() {
return false;
}
function formatResult( $skin, $result ) {
global $wgLang, $wgContLang;
$dm = $wgContLang->getDirMark();
$title = Title::makeTitleSafe( $result->namespace, $result->title );
if ( !$title ) {
return '<!-- Invalid title ' . htmlspecialchars( "{$result->namespace}:{$result->title}" ). '-->';
}
$hlink = $skin->linkKnown(
$title,
wfMsgHtml( 'hist' ),
array(),
array( 'action' => 'history' )
);
$plink = $this->isCached()
? $skin->link( $title )
: $skin->linkKnown( $title );
$size = wfMessage( 'nbytes', $wgLang->formatNum( $result->value ) )->escaped();
return $title->exists()
? "({$hlink}) {$dm}{$plink} {$dm}[{$size}]"
: "<del>({$hlink}) {$dm}{$plink} {$dm}[{$size}]</del>";
}
}
/**
* constructor
*/
function wfSpecialShortpages() {
list( $limit, $offset ) = wfCheckLimits();
$spp = new ShortPagesPage();
return $spp->doQuery( $offset, $limit );
}
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