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<?php
namespace SMW\MediaWiki\Hooks;
use SMW\Application;
use SMW\DataTypeRegistry;
use Language;
/**
* Add extra statistic at the end of Special:Statistics
*
* @see https://www.mediawiki.org/wiki/Manual:Hooks/SpecialStatsAddExtra
*
* @ingroup FunctionHook
*
* @license GNU GPL v2+
* @since 1.9
*
* @author mwjames
*/
class SpecialStatsAddExtra {
/**
* @var array
*/
protected $extraStats = null;
/**
* @var string
*/
protected $version = null;
/**
* @var Language
*/
protected $userLanguage;
/**
* @var string[]
*/
protected $legacyMessageMapper = array(
'PROPUSES' => 'smw-statistics-property-instance',
'USEDPROPS' => 'smw-statistics-property-total-legacy',
'OWNPAGE' => 'smw-statistics-property-page',
'DECLPROPS' => 'smw-statistics-property-type',
'SUBOBJECTS' => 'smw-statistics-subobject-count',
'QUERY' => 'smw-statistics-query-inline',
'CONCEPTS' => 'smw-statistics-concept-count-legacy'
);
/**
* @var string[]
*/
protected $messageMapper = array(
'PROPUSES' => 'smw-statistics-property-instance',
'USEDPROPS' => 'smw-statistics-property-total',
'OWNPAGE' => 'smw-statistics-property-page',
'DECLPROPS' => 'smw-statistics-property-type',
'SUBOBJECTS' => 'smw-statistics-subobject-count',
'QUERY' => 'smw-statistics-query-inline',
'CONCEPTS' => 'smw-statistics-concept-count'
);
/**
* @since 1.9
*
* @param array &$extraStats
* @param string $version
* @param Language $userLanguage User language
*/
public function __construct( array &$extraStats, $version, Language $userLanguage ) {
$this->extraStats =& $extraStats;
$this->version = $version;
$this->userLanguage = $userLanguage;
}
/**
* @since 1.9
*
* @return true
*/
public function process() {
return version_compare( $this->version, '1.21', '<' ) ? $this->copyLegacyStatistics() : $this->copyStatistics();
}
/**
* @since 1.9
*
* @return true
*/
protected function copyStatistics() {
$statistics = Application::getInstance()->getStore()->getStatistics();
$this->extraStats['smw-statistics'] = array();
foreach ( $this->messageMapper as $key => $message ) {
if ( isset( $statistics[$key] ) ) {
$this->extraStats['smw-statistics'][ $message ] = $statistics[$key];
}
}
$count = count( DataTypeRegistry::getInstance()->getKnownTypeLabels() );
$this->extraStats['smw-statistics']['smw-statistics-datatype-count'] = $count;
return true;
}
/**
* Legacy approach to display statistical items for all MW 1.21- versions
*
* @since 1.9
*
* @return true
*/
protected function copyLegacyStatistics() {
$statistics = Application::getInstance()->getStore()->getStatistics();
foreach ( $this->legacyMessageMapper as $key => $message ) {
if ( isset( $statistics[$key] ) ) {
$this->extraStats[wfMessage( $message )->text()] = $this->userLanguage->formatNum( $statistics[$key] );
}
}
return true;
}
}
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