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SkinAfterBottomScriptsHandler.php
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SkinAfterBottomScriptsHandler.php
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<?php
namespace CommonsMetadata\Hooks;
use File;
use FormatMetadata;
use MediaWiki\Html\Html;
use MediaWiki\Title\Title;
/**
* @license GPL-2.0-or-later
*/
class SkinAfterBottomScriptsHandler {
/** @var FormatMetadata */
private $format;
/** @var string */
private $publicDomainPageUrl;
/**
* @param FormatMetadata $format
* @param string $publicDomainPageUrl
*/
public function __construct( $format, $publicDomainPageUrl ) {
$this->format = $format;
$this->publicDomainPageUrl = $publicDomainPageUrl;
}
/**
* @param Title $title Title of the file page
* @param File|null $file The file itself
*
* @return string
*/
public function getSchemaElement( Title $title, $file ) {
$allowedMediaTypes = [ MEDIATYPE_BITMAP, MEDIATYPE_DRAWING ];
if ( $file === null || !$file->exists() || !in_array( $file->getMediaType(), $allowedMediaTypes ) ) {
return '';
}
$extendedMetadata = $this->format->fetchExtendedMetadata( $file );
$schema = $this->getSchema( $title, $file, $extendedMetadata );
if ( $schema === null ) {
return '';
}
$html = Html::openElement( 'script', [ 'type' => 'application/ld+json' ] );
$html .= json_encode( $schema );
$html .= Html::closeElement( 'script' );
return $html;
}
/**
* @param Title $title
* @param File $file
* @param array $extendedMetadata
*
* @return array|null
*/
public function getSchema( Title $title, File $file, $extendedMetadata ) {
if ( isset( $extendedMetadata[ 'LicenseUrl' ] ) ) {
$licenseUrl = $extendedMetadata[ 'LicenseUrl' ][ 'value' ];
} elseif ( isset( $extendedMetadata[ 'License' ] ) &&
$extendedMetadata[ 'License' ][ 'value' ] === 'pd' ) {
// If an image is in the public domain, there is no license to link
// to, so we'll link to a page describing the use of such images.
$licenseUrl = $this->publicDomainPageUrl;
}
if ( !isset( $licenseUrl ) ) {
return null;
}
$schema = [
'@context' => 'https://schema.org',
'@type' => 'ImageObject',
// The original file, which is what's indexed by Google and present
// in Google image searches.
'contentUrl' => $file->getFullUrl(),
// A link to the actual license (or to the public domain page).
'license' => $licenseUrl,
// This is meant to be a human-readable summary of the license, so
// we're linking to the file page which contains such a summary in
// the Licensing section.
'acquireLicensePage' => $title->getFullURL(),
];
if ( isset( $extendedMetadata[ 'DateTime' ] ) ) {
$schema[ 'uploadDate' ] = $extendedMetadata[ 'DateTime' ][ 'value' ];
}
return $schema;
}
}

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Mime Type
text/x-php
Expires
Sat, May 16, 17:17 (9 h, 50 m)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
78/8a/90ff83b2488fe08fec6affb9a189
Default Alt Text
SkinAfterBottomScriptsHandler.php (2 KB)

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