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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Logger\LoggerFactory; |
| 4 | |
| 5 | /** |
| 6 | * MediaWiki MathSearch extension |
| 7 | * |
| 8 | * (c) 2014 Moritz Schubotz |
| 9 | * GPLv2 license; info in main package. |
| 10 | * |
| 11 | * @file |
| 12 | * @ingroup extensions |
| 13 | */ |
| 14 | class MathEngineBaseX extends MathEngineRest { |
| 15 | |
| 16 | /** @var string */ |
| 17 | protected $type = "mws"; |
| 18 | |
| 19 | function __construct( $query = null ) { |
| 20 | global $wgMathSearchBaseXBackendUrl; |
| 21 | parent::__construct( $query, $wgMathSearchBaseXBackendUrl . 'mwsquery' ); |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * TODO: Add error handling. |
| 26 | * @param string $res |
| 27 | * @param int $numProcess |
| 28 | * @return bool |
| 29 | */ |
| 30 | protected function processResults( $res, $numProcess ) { |
| 31 | $jsonResult = json_decode( $res ); |
| 32 | if ( $jsonResult && json_last_error() === JSON_ERROR_NONE ) { |
| 33 | if ( $jsonResult->success && $jsonResult->response ) { |
| 34 | // $xmlObject = new XmlTypeCheck( $jsonResult->response, null, false ); |
| 35 | try { |
| 36 | $xRes = new SimpleXMLElement( $jsonResult->response ); |
| 37 | } catch ( Exception $e ) { |
| 38 | global $wgOut; |
| 39 | $wgOut->addWikiTextAsInterface( "invalid XML <code>{$jsonResult->response}</code>" ); |
| 40 | return false; |
| 41 | } |
| 42 | if ( $xRes->run->result ) { |
| 43 | $this->processMathResults( $xRes ); |
| 44 | return true; |
| 45 | } else { |
| 46 | global $wgOut; |
| 47 | $wgOut->addWikiTextAsInterface( "Result was empty." ); |
| 48 | return false; |
| 49 | } |
| 50 | } else { |
| 51 | global $wgOut; |
| 52 | $wgOut->addWikiTextAsInterface( "<code>{$jsonResult->response}</code>" ); |
| 53 | return false; |
| 54 | } |
| 55 | } else { |
| 56 | return false; |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * @param SimpleXMLElement $xmlRoot |
| 62 | */ |
| 63 | function processMathResults( $xmlRoot ) { |
| 64 | foreach ( $xmlRoot->run->result->children() as $page ) { |
| 65 | $attrs = $page->attributes(); |
| 66 | $uri = explode( "#", $attrs["id"] ); |
| 67 | if ( count( $uri ) != 2 ) { |
| 68 | LoggerFactory::getInstance( 'MathSearch' )->error( 'Can not parse' . $attrs['id'] ); |
| 69 | continue; |
| 70 | } |
| 71 | $revisionID = $uri[0]; |
| 72 | $AnchorID = $uri[1]; |
| 73 | $this->relevanceMap[] = $revisionID; |
| 74 | $substarr = []; |
| 75 | // TODO: Add hit support. |
| 76 | $this->resultSet[(string)$revisionID][(string)$AnchorID][] = |
| 77 | [ "xpath" => (string)$attrs["xpath"], "mappings" => $substarr ]; |
| 78 | } |
| 79 | $this->relevanceMap = array_unique( $this->relevanceMap ); |
| 80 | } |
| 81 | |
| 82 | function getPostData( $numProcess ) { |
| 83 | return json_encode( [ "type" => $this->type, "query" => $this->query->getCQuery() ] ); |
| 84 | } |
| 85 | |
| 86 | function update( $harvest = "", array $delte = [] ) { |
| 87 | global $wgMathSearchBaseXBackendUrl; |
| 88 | $json_payload = json_encode( [ "harvest" => $harvest, "delete" => $delte ] ); |
| 89 | try { |
| 90 | $res = self::doPost( $wgMathSearchBaseXBackendUrl . 'update', $json_payload ); |
| 91 | if ( $res ) { |
| 92 | $resJson = json_decode( $res ); |
| 93 | if ( $resJson->success == true ) { |
| 94 | return true; |
| 95 | } else { |
| 96 | LoggerFactory::getInstance( 'MathSearch' )->warning( 'harvest update failed' . |
| 97 | var_export( $resJson, true ) ); |
| 98 | } |
| 99 | } |
| 100 | } catch ( Exception $e ) { |
| 101 | LoggerFactory::getInstance( 'MathSearch' ) |
| 102 | ->warning( 'Harvest update failed: {exception}', |
| 103 | [ 'exception' => $e->getMessage() ] ); |
| 104 | } |
| 105 | return false; |
| 106 | } |
| 107 | } |