Code Coverage for /workspace/src/extensions/EntitySchema/src/DataAccess/LabelLookup.php

1	<?php
2
3	declare( strict_types = 1 );
4
5	namespace EntitySchema\DataAccess;
6
7	use EntitySchema\Services\Converter\FullViewEntitySchemaData;
8	use Wikibase\DataModel\Term\TermFallback;
9	use Wikibase\Lib\LanguageFallbackChainFactory;
10
11	/**
12	* Lookup for EntitySchema labels, with language fallbacks applied.
13	*
14	* @license GPL-2.0-or-later
15	*/
16	class LabelLookup {
17
18	private LanguageFallbackChainFactory $languageFallbackChainFactory;
19
20	public function __construct(
21	LanguageFallbackChainFactory $languageFallbackChainFactory
22	) {
23	$this->languageFallbackChainFactory = $languageFallbackChainFactory;
24	}
25
26	/**
27	* Look up the label of the EntitySchema with the supplied schema data, if any.
28	* Language fallbacks are applied based on the given language code.
29	*
30	* @param FullViewEntitySchemaData $schemaData
31	* @param string $langCode
32	* @return TermFallback\|null The label, or null if no label or EntitySchema was found.
33	*/
34	public function getLabelForSchemaData(
35	FullViewEntitySchemaData $schemaData,
36	string $langCode
37	): ?TermFallback {
38	$chain = $this->languageFallbackChainFactory->newFromLanguageCode( $langCode );
39	$preferredLabel = $chain->extractPreferredValue( array_map(
40	static fn ( $nameBadge ) => $nameBadge->label,
41	$schemaData->nameBadges
42	) );
43	if ( $preferredLabel !== null ) {
44	return new TermFallback(
45	$langCode,
46	$preferredLabel['value'],
47	$preferredLabel['language'],
48	$preferredLabel['source']
49	);
50	} else {
51	return null;
52	}
53	}
54	}