Code Coverage for /workspace/src/extensions/CirrusSearch/includes/Query/MoreLikeThisFeature.php

1	<?php
2
3	namespace CirrusSearch\Query;
4
5	use CirrusSearch\CirrusConfigNames;
6	use CirrusSearch\Search\SearchContext;
7	use CirrusSearch\SearchConfig;
8
9	/**
10	* Finds pages similar to another one.
11	* (Non-greedy replacement of MoreLikeFeature)
12	*/
13	class MoreLikeThisFeature extends SimpleKeywordFeature {
14	use MoreLikeTrait;
15
16	/**
17	* @var SearchConfig
18	*/
19	private $config;
20
21	public function __construct( SearchConfig $config ) {
22	$this->config = $config;
23	}
24
25	/**
26	* @inheritDoc
27	*/
28	public function getFeatureName( $key, $valueDelimiter ) {
29	return "more_like";
30	}
31
32	/**
33	* @inheritDoc
34	*/
35	protected function getKeywords() {
36	return [ "morelikethis" ];
37	}
38
39	/**
40	* @inheritDoc
41	*/
42	protected function doApply( SearchContext $context, $key, $value, $quotedValue, $negated ) {
43	$context->setCacheTtl( $this->config->get( CirrusConfigNames::MoreLikeThisTTL ) );
44	$titles = $this->doExpand( $key, $value, $context );
45	if ( $titles === [] ) {
46	$context->setResultsPossible( false );
47	return [ null, true ];
48	}
49	$mlt = $this->buildMoreLikeQuery( $titles );
50	if ( !$negated ) {
51	$context->addNonTextQuery( $mlt );
52	return [ null, false ];
53	} else {
54	return [ $mlt, false ];
55	}
56	}
57
58	public function getConfig(): SearchConfig {
59	return $this->config;
60	}
61	}