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1<?php
2/**
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
17 *
18 * @ingroup Maintenance
19 */
20
21use MediaWiki\MediaWikiServices;
22
23require_once __DIR__ . '/../../../maintenance/Maintenance.php';
24
25class WmcRefIdentifier extends Maintenance {
26
27    public function __construct() {
28        parent::__construct();
29        $this->requireExtension( 'MathSearch' );
30    }
31
32    public function execute() {
33        $dbr = MediaWikiServices::getInstance()
34            ->getConnectionProvider()
35            ->getReplicaDatabase();
36        $res = $dbr->query( 'SELECT qID, oldId, fid, math_input FROM math_wmc_ref r' .
37            ' JOIN mathlog l WHERE  r.math_inputhash = l.math_inputhash;' );
38
39        $output = [];
40        foreach ( $res as $row ) {
41            $md = new MathoidDriver( $row->math_input );
42            $md->texvcInfo();
43            $identifiers = array_unique( $md->getIdentifiers() );
44            $fId = "math.{$row->oldId}.{$row->fid}";
45            $mo = MathObject::newFromRevisionText( $row->oldId, $fId );
46            $relations = [];
47            $rels = $mo->getRelations();
48            $wd = new WikidataDriver();
49            foreach ( $identifiers as $i ) {
50                $relations[$i] = [];
51                if ( isset( $rels[$i] ) ) {
52                    foreach ( $rels[$i] as $rel ) {
53                        if ( preg_match( '/\[\[(.*)\]\]/', $rel->definition, $m ) ) {
54                            if ( $wd->search( $m[1] ) ) {
55                                $res = $wd->getResults();
56                                $relations[$i][] = $res;
57                            }
58                        } else {
59                            $relations[$i][] = $rel->definition;
60                        }
61                    }
62                }
63            }
64            $output[] = (object)[ 'definitions' => $relations, 'formula' => $row ];
65        }
66        $this->output( json_encode( $output ) );
67    }
68}
69
70$maintClass = WmcRefIdentifier::class;
71/** @noinspection PhpIncludeInspection */
72require_once RUN_MAINTENANCE_IF_MAIN;