addRFCandPMIDInterwiki.php

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<?php
require_once __DIR__ . '/Maintenance.php';

class AddRFCAndPMIDInterwiki extends LoggedUpdateMaintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Add RFC and PMID to the interwiki database table' );
    }

    protected function getUpdateKey() {
        return __CLASS__;
    }

    protected function updateSkippedMessage() {
        return 'RFC and PMID already added to interwiki database table';
    }

    protected function doDBUpdates() {
        $interwikiCache = $this->getConfig()->get( 'InterwikiCache' );
        // Using something other than the database,
        if ( $interwikiCache !== false ) {
            return true;
        }
        $dbw = $this->getDB( DB_MASTER );
        $rfc = $dbw->selectField(
            'interwiki',
            'iw_url',
            [ 'iw_prefix' => 'rfc' ],
            __METHOD__
        );

        // Old pre-1.28 default value, or not set at all
        if ( $rfc === false || $rfc === 'http://www.rfc-editor.org/rfc/rfc$1.txt' ) {
            $dbw->replace(
                'interwiki',
                [ 'iw_prefix' ],
                [
                    'iw_prefix' => 'rfc',
                    'iw_url' => 'https://tools.ietf.org/html/rfc$1',
                    'iw_api' => '',
                    'iw_wikiid' => '',
                    'iw_local' => 0,
                ],
                __METHOD__
            );
        }

        $dbw->insert(
            'interwiki',
            [
                'iw_prefix' => 'pmid',
                'iw_url' => 'https://www.ncbi.nlm.nih.gov/pubmed/$1?dopt=Abstract',
                'iw_api' => '',
                'iw_wikiid' => '',
                'iw_local' => 0,
            ],
            __METHOD__,
            // If there's already a pmid interwiki link, don't
            // overwrite it
            [ 'IGNORE' ]
        );

        return true;
    }
}

$maintClass = 'AddRFCAndPMIDInterwiki';
require_once RUN_MAINTENANCE_IF_MAIN;