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<?php
/**
* @file
* @ingroup SpecialPage
*/
/**
* Special page lists templates with a large number of
* transclusion links, i.e. "most used" templates
*
* @ingroup SpecialPage
* @author Rob Church <robchur@gmail.com>
*/
class SpecialMostlinkedtemplates extends QueryPage {
/**
* Name of the report
*
* @return string
*/
public function getName() {
return 'Mostlinkedtemplates';
}
/**
* Is this report expensive, i.e should it be cached?
*
* @return bool
*/
public function isExpensive() {
return true;
}
/**
* Is there a feed available?
*
* @return bool
*/
public function isSyndicated() {
return false;
}
/**
* Sort the results in descending order?
*
* @return bool
*/
public function sortDescending() {
return true;
}
/**
* Generate SQL for the report
*
* @return string
*/
public function getSql() {
$dbr = wfGetDB( DB_SLAVE );
$templatelinks = $dbr->tableName( 'templatelinks' );
$name = $dbr->addQuotes( $this->getName() );
return "SELECT {$name} AS type,
" . NS_TEMPLATE . " AS namespace,
tl_title AS title,
COUNT(*) AS value
FROM {$templatelinks}
WHERE tl_namespace = " . NS_TEMPLATE . "
GROUP BY tl_title";
}
/**
* Pre-cache page existence to speed up link generation
*
* @param Database $dbr Database connection
* @param int $res Result pointer
*/
public function preprocessResults( $db, $res ) {
$batch = new LinkBatch();
while( $row = $db->fetchObject( $res ) ) {
$batch->add( $row->namespace, $row->title );
}
$batch->execute();
if( $db->numRows( $res ) > 0 )
$db->dataSeek( $res, 0 );
}
/**
* Format a result row
*
* @param Skin $skin Skin to use for UI elements
* @param object $result Result row
* @return string
*/
public function formatResult( $skin, $result ) {
$title = Title::makeTitleSafe( $result->namespace, $result->title );
if( $title instanceof Title ) {
return wfSpecialList(
$skin->makeLinkObj( $title ),
$this->makeWlhLink( $title, $skin, $result )
);
} else {
$tsafe = htmlspecialchars( $result->title );
return "Invalid title in result set; {$tsafe}";
}
}
/**
* Make a "what links here" link for a given title
*
* @param Title $title Title to make the link for
* @param Skin $skin Skin to use
* @param object $result Result row
* @return string
*/
private function makeWlhLink( $title, $skin, $result ) {
global $wgLang;
$wlh = SpecialPage::getTitleFor( 'Whatlinkshere' );
$label = wfMsgExt( 'nlinks', array( 'parsemag', 'escape' ),
$wgLang->formatNum( $result->value ) );
return $skin->makeKnownLinkObj( $wlh, $label, 'target=' . $title->getPrefixedUrl() );
}
}
/**
* Execution function
*
* @param mixed $par Parameters passed to the page
*/
function wfSpecialMostlinkedtemplates( $par = false ) {
list( $limit, $offset ) = wfCheckLimits();
$mlt = new SpecialMostlinkedtemplates();
$mlt->doQuery( $offset, $limit );
}
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