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<?php
/**
*
* @addtogroup SpecialPage
*/
/**
* implements Special:Unusedimages
* @addtogroup SpecialPage
*/
class UnusedimagesPage extends ImageQueryPage {
function getName() {
return 'Unusedimages';
}
function sortDescending() {
return false;
}
function isSyndicated() { return false; }
function getSQL() {
global $wgCountCategorizedImagesAsUsed;
$dbr = wfGetDB( DB_SLAVE );
if ( $wgCountCategorizedImagesAsUsed ) {
list( $page, $image, $imagelinks, $categorylinks ) = $dbr->tableNamesN( 'page', 'image', 'imagelinks', 'categorylinks' );
return 'SELECT img_name as title, img_user, img_user_text, img_timestamp as value, img_description
FROM ((('.$page.' AS I LEFT JOIN '.$categorylinks.' AS L ON I.page_id = L.cl_from)
LEFT JOIN '.$imagelinks.' AS P ON I.page_title = P.il_to)
INNER JOIN '.$image.' AS G ON I.page_title = G.img_name)
WHERE I.page_namespace = '.NS_IMAGE.' AND L.cl_from IS NULL AND P.il_to IS NULL';
} else {
list( $image, $imagelinks ) = $dbr->tableNamesN( 'image','imagelinks' );
return 'SELECT img_name as title, img_user, img_user_text, img_timestamp as value, img_description' .
' FROM '.$image.' LEFT JOIN '.$imagelinks.' ON img_name=il_to WHERE il_to IS NULL ';
}
}
function getPageHeader() {
return wfMsg( "unusedimagestext" );
}
}
/**
* Entry point
*/
function wfSpecialUnusedimages() {
list( $limit, $offset ) = wfCheckLimits();
$uip = new UnusedimagesPage();
return $uip->doQuery( $offset, $limit );
}
?>
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