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<?php
namespace SMW\MediaWiki\Api\Browse;
use SMW\ApplicationFactory;
use SMW\DIProperty;
use SMW\SQLStore\SQLStore;
use SMW\Store;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class ListAugmentor {
/**
* @var Store
*/
private $store;
/**
* @since 3.0
*
* @param Store $store
*/
public function __construct( Store $store ) {
$this->store = $store;
}
/**
* @since 3.0
*
* @param array &$res
* @param array $parameters
*
* @return array
*/
public function augment( array &$res, array $parameters ) {
if ( !isset( $res['query'] ) && $res['query'] === [] ) {
return;
}
$type = null;
$lang = 'en';
if ( isset( $res['meta']['type'] ) ) {
$type = $res['meta']['type'];
}
if ( isset( $parameters['lang'] ) ) {
$lang = $parameters['lang'];
}
if ( is_string( $lang ) ) {
$lang = [ $lang ];
}
if ( $type === 'property' && isset( $parameters['description' ] ) ) {
$this->addPropertyDescription( $res, $lang );
}
if ( $type === 'property' && isset( $parameters['prefLabel' ] ) ) {
$this->addPreferredPropertyLabel( $res, $lang );
}
if ( $type === 'property' && isset( $parameters['usageCount' ] ) ) {
$this->addUsageCount( $res );
}
// Remove the internal ID, no external consumer should rely on it
foreach ( $res['query'] as $key => &$value ) {
unset( $value['id'] );
}
return $res;
}
private function addUsageCount( &$res ) {
$list = $res['query'];
$db = $this->store->getConnection( 'mw.db' );
foreach ( $list as $key => $value ) {
$row = $db->selectRow(
SQLStore::PROPERTY_STATISTICS_TABLE,
[ 'usage_count' ],
[
'p_id' => $value['id']
],
__METHOD__
);
$list[$key] = $value + [
'usageCount' => $row->usage_count
];
}
$res['query'] = $list;
}
private function addPreferredPropertyLabel( &$res, array $languageCodes ) {
$list = $res['query'];
foreach ( $list as $key => $value ) {
$property = new DIProperty( $key );
$prefLabel = [];
foreach ( $languageCodes as $code ) {
$prefLabel[$code] = $property->getPreferredLabel( $code );
}
$list[$key] = $value + [
'prefLabel' => $prefLabel
];
}
$res['query'] = $list;
}
private function addPropertyDescription( &$res, array $languageCodes ) {
$list = $res['query'];
$propertySpecificationLookup = ApplicationFactory::getInstance()->getPropertySpecificationLookup();
foreach ( $list as $key => $value ) {
$property = new DIProperty( $key );
$description = [];
foreach ( $languageCodes as $code ) {
$description[$code] = $propertySpecificationLookup->getPropertyDescriptionByLanguageCode( $property, $code );
}
$list[$key] = $value + [
'description' => $description
];
}
$res['query'] = $list;
}
}
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