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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Deferred\LinksUpdate\LinksUpdate; |
| 4 | use MediaWiki\Hook\LinksUpdateHook; |
| 5 | |
| 6 | class CargoLinksUpdateHandler implements LinksUpdateHook { |
| 7 | |
| 8 | /** |
| 9 | * Update backlinks for Cargo queries when a page is saved. |
| 10 | * @param LinksUpdate $linksUpdate |
| 11 | */ |
| 12 | public function onLinksUpdate( $linksUpdate ): void { |
| 13 | $parserOutput = $linksUpdate->getParserOutput(); |
| 14 | $backlinks = array_keys( |
| 15 | $parserOutput->getExtensionData( CargoBackLinks::BACKLINKS_DATA_KEY ) ?? [] |
| 16 | ); |
| 17 | |
| 18 | if ( count( $backlinks ) > 0 ) { |
| 19 | CargoBackLinks::setBackLinks( $linksUpdate->getTitle(), $backlinks ); |
| 20 | } else { |
| 21 | $pageId = $linksUpdate->getPageId(); |
| 22 | CargoBackLinks::removeBackLinks( $pageId ); |
| 23 | } |
| 24 | |
| 25 | // Don't save ephemeral data into the parser cache. |
| 26 | $parserOutput->setExtensionData( CargoBackLinks::BACKLINKS_DATA_KEY, null ); |
| 27 | } |
| 28 | } |