103 lines
2.4 KiB
PHP
103 lines
2.4 KiB
PHP
<?php
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namespace MediaWiki\Deferred\LinksUpdate;
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use MediaWiki\Parser\ParserOutput;
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/**
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* langlinks
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*
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* Link ID format: string[]
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* - 0: Language code
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* - 1: Foreign title
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*
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* @since 1.38
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*/
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class LangLinksTable extends LinksTable {
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/** @var string[] */
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private $newLinks = [];
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/** @var string[]|null */
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private $existingLinks;
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public function setParserOutput( ParserOutput $parserOutput ) {
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// Convert the format of the interlanguage links
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// I didn't want to change it in the ParserOutput, because that array is passed all
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// the way back to the skin, so either a skin API break would be required, or an
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// inefficient back-conversion.
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$ill = $parserOutput->getLanguageLinks();
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$this->newLinks = [];
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foreach ( $ill as $link ) {
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[ $key, $title ] = explode( ':', $link, 2 );
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// Ensure that the "first" link has precedence: T26502
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$this->newLinks[$key] ??= $title;
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}
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}
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protected function getTableName() {
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return 'langlinks';
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}
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protected function getFromField() {
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return 'll_from';
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}
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protected function getExistingFields() {
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return [ 'll_lang', 'll_title' ];
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}
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protected function getNewLinkIDs() {
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foreach ( $this->newLinks as $key => $title ) {
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yield [ (string)$key, $title ];
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}
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}
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/**
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* Get the existing links as an array where the key is the language code
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* and the value is the title of the target in that language.
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*
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* @return array
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*/
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private function getExistingLinks() {
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if ( $this->existingLinks === null ) {
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$this->existingLinks = [];
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foreach ( $this->fetchExistingRows() as $row ) {
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$this->existingLinks[$row->ll_lang] = $row->ll_title;
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}
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}
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return $this->existingLinks;
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}
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protected function getExistingLinkIDs() {
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foreach ( $this->getExistingLinks() as $lang => $title ) {
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yield [ (string)$lang, $title ];
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}
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}
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protected function isExisting( $linkId ) {
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$links = $this->getExistingLinks();
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[ $lang, $title ] = $linkId;
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return \array_key_exists( $lang, $links )
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&& $links[$lang] === $title;
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}
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protected function isInNewSet( $linkId ) {
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[ $lang, $title ] = $linkId;
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return \array_key_exists( $lang, $this->newLinks )
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&& $this->newLinks[$lang] === $title;
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}
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protected function insertLink( $linkId ) {
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[ $lang, $title ] = $linkId;
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$this->insertRow( [
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'll_lang' => $lang,
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'll_title' => $title
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] );
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}
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protected function deleteLink( $linkId ) {
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$this->deleteRow( [
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'll_lang' => $linkId[0]
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] );
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}
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}
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