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

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