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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
21require_once __DIR__ . '/../../../maintenance/Maintenance.php';
22
23class WmcRefIdentifier extends Maintenance {
24
25    public function __construct() {
26        parent::__construct();
27        $this->requireExtension( 'MathSearch' );
28    }
29
30    public function execute() {
31        $dbr = $this->getServiceContainer()
32            ->getConnectionProvider()
33            ->getReplicaDatabase();
34        $res = $dbr->query( 'SELECT qID, oldId, fid, math_input FROM math_wmc_ref r' .
35            ' JOIN mathlog l WHERE  r.math_inputhash = l.math_inputhash;' );
36
37        $output = [];
38        foreach ( $res as $row ) {
39            $md = new MathoidDriver( $row->math_input );
40            $md->texvcInfo();
41            $identifiers = array_unique( $md->getIdentifiers() );
42            $fId = "math.{$row->oldId}.{$row->fid}";
43            $mo = MathObject::newFromRevisionText( $row->oldId, $fId );
44            $relations = [];
45            $rels = $mo->getRelations();
46            $wd = new WikidataDriver();
47            foreach ( $identifiers as $i ) {
48                $relations[$i] = [];
49                if ( isset( $rels[$i] ) ) {
50                    foreach ( $rels[$i] as $rel ) {
51                        if ( preg_match( '/\[\[(.*)\]\]/', $rel->definition, $m ) ) {
52                            if ( $wd->search( $m[1] ) ) {
53                                $res = $wd->getResults();
54                                $relations[$i][] = $res;
55                            }
56                        } else {
57                            $relations[$i][] = $rel->definition;
58                        }
59                    }
60                }
61            }
62            $output[] = (object)[ 'definitions' => $relations, 'formula' => $row ];
63        }
64        $this->output( json_encode( $output ) );
65    }
66}
67
68$maintClass = WmcRefIdentifier::class;
69/** @noinspection PhpIncludeInspection */
70require_once RUN_MAINTENANCE_IF_MAIN;