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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\MediaWikiServices; |
| 4 | use MediaWiki\Title\Title; |
| 5 | use Wikimedia\Rdbms\IResultWrapper; |
| 6 | |
| 7 | /** |
| 8 | * This class is used for different SQL-based search engines shipped with MediaWiki |
| 9 | * @ingroup Search |
| 10 | */ |
| 11 | class SqlSearchResultSet extends SearchResultSet { |
| 12 | /** @noinspection PhpMissingParentConstructorInspection */ |
| 13 | |
| 14 | /** @var IResultWrapper Result object from database */ |
| 15 | protected $resultSet; |
| 16 | /** @var string[] Requested search query */ |
| 17 | protected $terms; |
| 18 | /** @var int|null Total number of hits for $terms */ |
| 19 | protected $totalHits; |
| 20 | |
| 21 | /** |
| 22 | * @param IResultWrapper $resultSet |
| 23 | * @param string[] $terms |
| 24 | * @param int|null $total |
| 25 | */ |
| 26 | public function __construct( IResultWrapper $resultSet, array $terms, $total = null ) { |
| 27 | parent::__construct(); |
| 28 | $this->resultSet = $resultSet; |
| 29 | $this->terms = $terms; |
| 30 | $this->totalHits = $total; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * @return string[] |
| 35 | * @deprecated since 1.34 |
| 36 | */ |
| 37 | public function termMatches() { |
| 38 | return $this->terms; |
| 39 | } |
| 40 | |
| 41 | public function numRows() { |
| 42 | if ( $this->resultSet === false ) { |
| 43 | return 0; |
| 44 | } |
| 45 | |
| 46 | return $this->resultSet->numRows(); |
| 47 | } |
| 48 | |
| 49 | public function extractResults() { |
| 50 | if ( $this->resultSet === false ) { |
| 51 | return []; |
| 52 | } |
| 53 | |
| 54 | if ( $this->results === null ) { |
| 55 | $this->results = []; |
| 56 | $this->resultSet->rewind(); |
| 57 | $terms = MediaWikiServices::getInstance()->getContentLanguage() |
| 58 | ->convertForSearchResult( $this->terms ); |
| 59 | while ( ( $row = $this->resultSet->fetchObject() ) !== false ) { |
| 60 | $result = new SqlSearchResult( |
| 61 | Title::makeTitle( $row->page_namespace, $row->page_title ), |
| 62 | $terms |
| 63 | ); |
| 64 | $this->augmentResult( $result ); |
| 65 | $this->results[] = $result; |
| 66 | } |
| 67 | } |
| 68 | return $this->results; |
| 69 | } |
| 70 | |
| 71 | public function getTotalHits() { |
| 72 | if ( $this->totalHits !== null ) { |
| 73 | return $this->totalHits; |
| 74 | } else { |
| 75 | // Special:Search expects a number here. |
| 76 | return $this->numRows(); |
| 77 | } |
| 78 | } |
| 79 | } |