owncloud/core

<?php
/**
 * @author Viktar Dubiniuk <dubiniuk@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\DAV\Migrations;

use Doctrine\DBAL\Schema\Schema;
use OCP\Migration\ISchemaMigration;

/*
 * Create initial properties table
 * Add fileid field to this table if needed
 */
class Version20170116170538 implements ISchemaMigration {
    /**
     * @param Schema $schema
     * @param string $prefix
     */
    private function createPropertiesTable(Schema $schema, string $prefix): void {
        $table = $schema->createTable("{$prefix}properties");
        $table->addColumn('id', 'integer', [
            'autoincrement' => true,
            'notnull' => true,
            'length' => 4,
        ]);
        $table->addColumn('fileid', 'integer', [
            'notnull' => true,
            'unsigned' => true,
            'length' => 20,
        ]);
        $table->addColumn('propertyname', 'string', [
            'notnull' => true,
            'length' => 255,
            'default' => '',
        ]);
        $table->addColumn('propertyvalue', 'string', [
            'notnull' => true,
            'length' => 255,
        ]);
        $table->setPrimaryKey(['id']);
        $table->addIndex(['fileid'], 'fileid_index');
    }

    /**
     * @param Schema $schema
     * @param array $options
     */
    public function changeSchema(Schema $schema, array $options): void {
        $prefix = $options['tablePrefix'];

        if (!$schema->hasTable("{$prefix}properties")) {
            // install
            $this->createPropertiesTable($schema, $prefix);
        } else {
            // We allow fileid column to be nullable on update
            // otherwise migration will fail for some DB engines
            $table = $schema->getTable("{$prefix}properties");
            if (!$table->hasColumn('fileid')) {
                $table->addColumn('fileid', 'integer', [
                    'notnull' => false,
                    'unsigned' => true,
                    'length' => 20,
                ]);
            }
            if (!$table->hasIndex('fileid_index')) {
                $table->addIndex(['fileid'], 'fileid_index');
            }
        }
    }
}