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1
1<?php
2
3namespace CirrusSearch;
4
5use CirrusSearch\Profile\SearchProfileServiceFactoryFactory;
6use InvalidArgumentException;
7use MediaWiki\Config\Config;
8use MediaWiki\Config\GlobalVarConfig;
9use MediaWiki\Config\HashConfig;
10use MediaWiki\Config\MultiConfig;
11
12/**
13 * SearchConfig implemenation backed by a simple HashConfig
14 */
15class HashSearchConfig extends SearchConfig {
16    public const FLAG_INHERIT = 'inherit';
17
18    /** @var bool */
19    private $localWiki = false;
20
21    /**
22     * @param array $settings config vars
23     * @param string[] $flags customization flags:
24     * - inherit: config vars not part the settings provided are fetched from GlobalVarConfig
25     * @param Config|null $inherited (only useful when the inherit flag is set)
26     * @param SearchProfileServiceFactoryFactory|null $searchProfileServiceFactoryFactory
27     */
28    public function __construct(
29        array $settings,
30        array $flags = [],
31        Config $inherited = null,
32        SearchProfileServiceFactoryFactory $searchProfileServiceFactoryFactory = null
33    ) {
34        parent::__construct( $searchProfileServiceFactoryFactory );
35        $config = new HashConfig( $settings );
36        $extra = array_diff( $flags, [ self::FLAG_INHERIT ] );
37        if ( $extra ) {
38            throw new InvalidArgumentException( "Unknown config flags: " . implode( ',', $extra ) );
39        }
40
41        if ( in_array( self::FLAG_INHERIT, $flags ) ) {
42            $config = new MultiConfig( [ $config, $inherited ?? new GlobalVarConfig ] );
43            $this->localWiki = !isset( $settings['_wikiID' ] );
44        }
45        $this->setSource( $config );
46    }
47
48    /**
49     * Allow overriding Wiki ID
50     * @return mixed|string
51     */
52    public function getWikiId() {
53        if ( $this->has( '_wikiID' ) ) {
54            return $this->get( '_wikiID' );
55        }
56        return parent::getWikiId();
57    }
58
59    public function getHostWikiConfig(): SearchConfig {
60        if ( $this->localWiki ) {
61            return $this;
62        }
63        return parent::getHostWikiConfig();
64    }
65
66    public function isLocalWiki() {
67        return $this->localWiki;
68    }
69}