<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2023 Julius Härtl <jus@bitgrid.net>
 *
 * @authorJulius Härtl <jus@bitgrid.net>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * 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
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Text\Migration;

use Closure;
use OCP\DB\ISchemaWrapper;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;

class Version030901Date20231114150437 extends SimpleMigrationStep {
	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
		$schema = $schemaClosure();
		if ($schema->hasTable('text_steps')) {
			$table = $schema->getTable('text_steps');
			if ($table->hasIndex('ts_session')) {
				$table->dropIndex('ts_session');
				return $schema;
			}
		}
		return null;
	}
}