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| 1 | <?php |
| 2 | namespace Wikibase\Lexeme\Search\Elastic; |
| 3 | |
| 4 | use CirrusSearch\Search\BaseCirrusSearchResultSet; |
| 5 | use Elastica\Result; |
| 6 | use Elastica\ResultSet as ElasticaResultSet; |
| 7 | use MediaWiki\Language\Language; |
| 8 | use Wikibase\Lexeme\DataAccess\LexemeDescription; |
| 9 | |
| 10 | /** |
| 11 | * Result set for Lexeme fulltext search |
| 12 | */ |
| 13 | class LexemeResultSet extends BaseCirrusSearchResultSet { |
| 14 | /** |
| 15 | * @var Language |
| 16 | */ |
| 17 | private $displayLanguage; |
| 18 | /** |
| 19 | * @var LexemeDescription |
| 20 | */ |
| 21 | private $descriptionMaker; |
| 22 | /** |
| 23 | * Pre-processed results from Lexeme search, as raw data - |
| 24 | * not yet localized and without description generated. |
| 25 | * @var array |
| 26 | */ |
| 27 | private $rawResults; |
| 28 | |
| 29 | /** |
| 30 | * $rawResults indexed by hash on the originating elastica result set. |
| 31 | * @var array[] |
| 32 | */ |
| 33 | private $rawResultsByHash = []; |
| 34 | |
| 35 | /** |
| 36 | * @var \Elastica\ResultSet |
| 37 | */ |
| 38 | private $elasticaResultSet; |
| 39 | |
| 40 | /** |
| 41 | * @param ElasticaResultSet $ESresult |
| 42 | * @param Language $displayLanguage |
| 43 | * @param LexemeDescription $descriptionMaker |
| 44 | * @param array[] $lexemeResults Pre-processed data from Lexeme |
| 45 | */ |
| 46 | public function __construct( |
| 47 | ElasticaResultSet $ESresult, |
| 48 | Language $displayLanguage, |
| 49 | LexemeDescription $descriptionMaker, |
| 50 | array $lexemeResults |
| 51 | ) { |
| 52 | $this->displayLanguage = $displayLanguage; |
| 53 | $this->descriptionMaker = $descriptionMaker; |
| 54 | $this->rawResults = $lexemeResults; |
| 55 | $this->elasticaResultSet = $ESresult; |
| 56 | foreach ( $lexemeResults as $raw ) { |
| 57 | $this->rawResultsByHash[$raw['elastica_result_hash']] = $raw; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * @param Result $result |
| 63 | * @return LexemeResult|null |
| 64 | */ |
| 65 | protected function transformOneResult( Result $result ) { |
| 66 | $hash = spl_object_hash( $result ); |
| 67 | $raw = $this->rawResultsByHash[$hash] ?? null; |
| 68 | if ( $raw === null ) { |
| 69 | return null; |
| 70 | } |
| 71 | return new LexemeResult( $this->displayLanguage, $this->descriptionMaker, $raw ); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Get raw results. |
| 76 | * Used in testing. |
| 77 | * @return array |
| 78 | */ |
| 79 | public function getRawResults() { |
| 80 | return $this->rawResults; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * @return \Elastica\ResultSet|null |
| 85 | */ |
| 86 | public function getElasticaResultSet() { |
| 87 | return $this->elasticaResultSet; |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Did the search contain search syntax? If so, Special:Search won't offer |
| 92 | * the user a link to a create a page named by the search string because the |
| 93 | * name would contain the search syntax. |
| 94 | * @return bool |
| 95 | */ |
| 96 | public function searchContainedSyntax() { |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | } |