Code Coverage for /workspace/src/extensions/WikibaseLexeme/src/DataAccess/Store/EntityLookupLemmaLookup.php

1	<?php
2
3	declare( strict_types = 1 );
4
5	namespace Wikibase\Lexeme\DataAccess\Store;
6
7	use Wikibase\DataModel\Services\Lookup\EntityLookup;
8	use Wikibase\DataModel\Services\Lookup\UnresolvedEntityRedirectException;
9	use Wikibase\DataModel\Term\TermList;
10	use Wikibase\Lexeme\Domain\Model\Lexeme;
11	use Wikibase\Lexeme\Domain\Model\LexemeId;
12
13	/**
14	* @license GPL-2.0-or-later
15	*/
16	class EntityLookupLemmaLookup implements LemmaLookup {
17
18	private EntityLookup $entityLookup;
19
20	public function __construct( EntityLookup $entityLookup ) {
21	$this->entityLookup = $entityLookup;
22	}
23
24	public function getLemmas( LexemeId $lexemeId ): TermList {
25	try {
26	$lexeme = $this->entityLookup->getEntity( $lexemeId );
27	} catch ( UnresolvedEntityRedirectException $ex ) { // T228996
28	// Regression catch.
29	// When there's a double redirect in Lexemes (eg. L1 -> L2 -> L3)
30	// then getting lemmas of L1 will fatal as the second redirect is
31	// not handled by the lookup, and the exception bubbles up here.
32	// Fatal was caused by that exception as it wasn't handled. Seen on
33	// Special:RecentChanges and Special:WhatLinksHere pages.
34	// Handled gracefully with this catch, by returning an empty list,
35	// effectively displaying the lexeme by its ID instead.
36	return new TermList();
37	}
38
39	if ( $lexeme === null ) {
40	return new TermList();
41	}
42
43	/** @var Lexeme $lexeme */
44	'@phan-var Lexeme $lexeme';
45	return $lexeme->getLemmas();
46	}
47	}