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CdnCacheUpdateBannerLoader.php
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CdnCacheUpdateBannerLoader.php
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<?php
use MediaWiki\Deferred\CdnCacheUpdate;
use MediaWiki\Deferred\DeferrableUpdate;
use MediaWiki\Registration\ExtensionRegistry;
class CdnCacheUpdateBannerLoader implements DeferrableUpdate {
/**
* @var string
*/
private $langCode;
/**
* @var Banner
*/
private $banner;
/**
* Create a DeferrableUpdate to purge CDN content for a given banner and language
*
* @param string $langCode Language code
* @param Banner $banner
*/
public function __construct( $langCode, Banner $banner ) {
$this->langCode = $langCode;
$this->banner = $banner;
}
/**
* Purges the banner loader URls for the language and banner passed to the constructor.
*/
public function doUpdate() {
global $wgCentralSelectedBannerDispatcher,
$wgCentralSelectedMobileBannerDispatcher;
$paramPerms = [];
$bannerName = $this->banner->getName();
// Note: URL parameter order must be: title (if used in configured
// URLs, for ugly URL format), campaign (omitted for preview),
// banner, uselang, debug. See ext.centralNotice.display.js.
// Include URLs for banner preview (no campaign, users's language)
$paramPerms[] = [
'banner' => $bannerName,
'uselang' => $this->langCode,
'debug' => 'true'
];
$paramPerms[] = [
'banner' => $bannerName,
'uselang' => $this->langCode,
'debug' => 'false'
];
// Include expected permutations of non-preview URLs
$campaignNames = $this->banner->getCampaignNames();
foreach ( $campaignNames as $campaignName ) {
$paramPerms[] = [
'campaign' => $campaignName,
'banner' => $bannerName,
'uselang' => $this->langCode,
'debug' => 'true'
];
$paramPerms[] = [
'campaign' => $campaignName,
'banner' => $bannerName,
'uselang' => $this->langCode,
'debug' => 'false'
];
}
// Determine if we should add mobile URLs, too
$addMobile = ( ExtensionRegistry::getInstance()->isLoaded( 'MobileFrontend' ) &&
( $wgCentralSelectedBannerDispatcher !==
$wgCentralSelectedMobileBannerDispatcher )
);
// Create the full URLs
$urlsToPurge = [];
foreach ( $paramPerms as $params ) {
$urlsToPurge[] = wfAppendQuery(
$wgCentralSelectedBannerDispatcher,
$params
);
if ( $addMobile ) {
$urlsToPurge[] = wfAppendQuery(
$wgCentralSelectedMobileBannerDispatcher,
$params
);
}
}
( new CdnCacheUpdate( $urlsToPurge ) )->doUpdate();
}
}

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text/x-php
Expires
Fri, Jul 3, 20:13 (1 d, 16 h)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
aa/2b/9a6bfd6817d6449288a44df79d66
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CdnCacheUpdateBannerLoader.php (2 KB)

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