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| 1 | <?php |
| 2 | |
| 3 | class CdnCacheUpdateBannerLoader implements DeferrableUpdate { |
| 4 | |
| 5 | /** |
| 6 | * @var string |
| 7 | */ |
| 8 | private $langCode; |
| 9 | |
| 10 | /** |
| 11 | * @var Banner |
| 12 | */ |
| 13 | private $banner; |
| 14 | |
| 15 | /** |
| 16 | * Create a DeferrableUpdate to purge CDN content for a given banner and language |
| 17 | * |
| 18 | * @param string $langCode Language code |
| 19 | * @param Banner $banner |
| 20 | */ |
| 21 | public function __construct( $langCode, Banner $banner ) { |
| 22 | $this->langCode = $langCode; |
| 23 | $this->banner = $banner; |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * Purges the banner loader URls for the language and banner passed to the constructor. |
| 28 | */ |
| 29 | public function doUpdate() { |
| 30 | global $wgCentralSelectedBannerDispatcher, |
| 31 | $wgCentralSelectedMobileBannerDispatcher; |
| 32 | |
| 33 | $paramPerms = []; |
| 34 | $bannerName = $this->banner->getName(); |
| 35 | |
| 36 | // Note: URL parameter order must be: title (if used in configured |
| 37 | // URLs, for ugly URL format), campaign (omitted for preview), |
| 38 | // banner, uselang, debug. See ext.centralNotice.display.js. |
| 39 | |
| 40 | // Include URLs for banner preview (no campaign, users's language) |
| 41 | $paramPerms[] = [ |
| 42 | 'banner' => $bannerName, |
| 43 | 'uselang' => $this->langCode, |
| 44 | 'debug' => 'true' |
| 45 | ]; |
| 46 | |
| 47 | $paramPerms[] = [ |
| 48 | 'banner' => $bannerName, |
| 49 | 'uselang' => $this->langCode, |
| 50 | 'debug' => 'false' |
| 51 | ]; |
| 52 | |
| 53 | // Include expected permutations of non-preview URLs |
| 54 | $campaignNames = $this->banner->getCampaignNames(); |
| 55 | |
| 56 | foreach ( $campaignNames as $campaignName ) { |
| 57 | $paramPerms[] = [ |
| 58 | 'campaign' => $campaignName, |
| 59 | 'banner' => $bannerName, |
| 60 | 'uselang' => $this->langCode, |
| 61 | 'debug' => 'true' |
| 62 | ]; |
| 63 | |
| 64 | $paramPerms[] = [ |
| 65 | 'campaign' => $campaignName, |
| 66 | 'banner' => $bannerName, |
| 67 | 'uselang' => $this->langCode, |
| 68 | 'debug' => 'false' |
| 69 | ]; |
| 70 | } |
| 71 | |
| 72 | // Determine if we should add mobile URLs, too |
| 73 | $addMobile = ( ExtensionRegistry::getInstance()->isLoaded( 'MobileFrontend' ) && |
| 74 | ( $wgCentralSelectedBannerDispatcher !== |
| 75 | $wgCentralSelectedMobileBannerDispatcher ) |
| 76 | ); |
| 77 | |
| 78 | // Create the full URLs |
| 79 | $urlsToPurge = []; |
| 80 | foreach ( $paramPerms as $params ) { |
| 81 | $urlsToPurge[] = wfAppendQuery( |
| 82 | $wgCentralSelectedBannerDispatcher, |
| 83 | $params |
| 84 | ); |
| 85 | |
| 86 | if ( $addMobile ) { |
| 87 | $urlsToPurge[] = wfAppendQuery( |
| 88 | $wgCentralSelectedMobileBannerDispatcher, |
| 89 | $params |
| 90 | ); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | ( new CdnCacheUpdate( $urlsToPurge ) )->doUpdate(); |
| 95 | } |
| 96 | } |