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| 1 | <?php |
| 2 | |
| 3 | namespace Cognate\HookHandler; |
| 4 | |
| 5 | use Cognate\CognateRepo; |
| 6 | use Cognate\CognateServices; |
| 7 | use MediaWiki\MediaWikiServices; |
| 8 | use MediaWiki\Parser\ParserOutput; |
| 9 | use MediaWiki\Title\Title; |
| 10 | |
| 11 | /** |
| 12 | * @license GPL-2.0-or-later |
| 13 | * @author Addshore |
| 14 | */ |
| 15 | class CognateParseHookHandler { |
| 16 | |
| 17 | /** |
| 18 | * @var CognateRepo |
| 19 | */ |
| 20 | private $repo; |
| 21 | |
| 22 | /** |
| 23 | * @var int[] |
| 24 | */ |
| 25 | private $namespaces; |
| 26 | |
| 27 | /** |
| 28 | * @var string |
| 29 | */ |
| 30 | private $dbName; |
| 31 | |
| 32 | public static function newFromGlobalState() { |
| 33 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
| 34 | |
| 35 | return new CognateParseHookHandler( |
| 36 | CognateServices::getRepo(), |
| 37 | $config->get( 'CognateNamespaces' ), |
| 38 | $config->get( 'DBname' ) |
| 39 | ); |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * @param CognateRepo $repo |
| 44 | * @param int[] $namespaces |
| 45 | * @param string $dbName |
| 46 | */ |
| 47 | public function __construct( |
| 48 | CognateRepo $repo, |
| 49 | array $namespaces, |
| 50 | $dbName |
| 51 | ) { |
| 52 | $this->repo = $repo; |
| 53 | $this->namespaces = $namespaces; |
| 54 | $this->dbName = $dbName; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Hook runs after internal parsing |
| 59 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/ContentAlterParserOutput |
| 60 | * |
| 61 | * @param Title $title |
| 62 | * @param ParserOutput $parserOutput |
| 63 | * |
| 64 | * @return bool |
| 65 | */ |
| 66 | public function doContentAlterParserOutput( Title $title, ParserOutput $parserOutput ) { |
| 67 | if ( !in_array( $title->getNamespace(), $this->namespaces ) ) { |
| 68 | return true; |
| 69 | } |
| 70 | |
| 71 | $links = $parserOutput->getLanguageLinks(); |
| 72 | |
| 73 | $presentLanguages = []; |
| 74 | foreach ( $links as $linkString ) { |
| 75 | $linkParts = explode( ':', $linkString, 2 ); |
| 76 | $presentLanguages[$linkParts[0]] = true; |
| 77 | } |
| 78 | |
| 79 | $cognateLinks = $this->repo->getLinksForPage( $this->dbName, $title ); |
| 80 | |
| 81 | foreach ( $cognateLinks as $cognateLink ) { |
| 82 | $cognateLinkParts = explode( ':', $cognateLink, 2 ); |
| 83 | if ( !array_key_exists( $cognateLinkParts[0], $presentLanguages ) ) { |
| 84 | $links[] = $cognateLink; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | $parserOutput->setLanguageLinks( $links ); |
| 89 | |
| 90 | return true; |
| 91 | } |
| 92 | |
| 93 | } |