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CirrusConfigInterwikiResolver
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 loadMatrix
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1
1<?php
2
3namespace CirrusSearch;
4
5/**
6 * InterwikiResolver suited for custom cirrus config:
7 * - wgCirrusSearchLanguageToWikiMap: a map of language code to wiki db prefixes
8 * - wgCirrusSearchInterwikiSources: a map of cross project interwiki prefixes to wikiId
9 * - wgCirrusSearchWikiToNameMap: a map of language interwiki prefixes to wikiId
10 */
11class CirrusConfigInterwikiResolver extends BaseInterwikiResolver {
12    /**
13     * @param SearchConfig $config
14     * @return bool true if this resolver can run with the specified config
15     */
16    public static function accepts( SearchConfig $config ) {
17        if ( $config->get( CirrusConfigNames::InterwikiSources ) ) {
18            return true;
19        }
20        if ( $config->get( CirrusConfigNames::WikiToNameMap ) ) {
21            return true;
22        }
23        return false;
24    }
25
26    /** @inheritDoc */
27    protected function loadMatrix() {
28        $sisterProjects = $this->config->get( CirrusConfigNames::InterwikiSources ) ?? [];
29        $languageMap = $this->config->get( CirrusConfigNames::LanguageToWikiMap ) ?? [];
30        $crossLanguage = $this->config->get( CirrusConfigNames::WikiToNameMap ) ?? [];
31        $crossLanguage = array_diff( $crossLanguage, [ $this->config->getWikiId() ] );
32        $prefixesByWiki = array_flip( $sisterProjects ) + array_flip( $crossLanguage );
33        return [
34            'sister_projects' => $sisterProjects,
35            'language_map' => $languageMap,
36            'cross_language' => $crossLanguage,
37            'prefixes_by_wiki' => $prefixesByWiki,
38        ];
39    }
40}