Part-DB-server/src/Services/ImportExportSystem/PartKeeprImporter/PKImportHelper.php

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2.6 KiB
PHP

<?php
/*
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
*
* 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 <https://www.gnu.org/licenses/>.
*/
namespace App\Services\ImportExportSystem\PartKeeprImporter;
use App\Doctrine\Purger\ResetAutoIncrementORMPurger;
use Doctrine\ORM\EntityManagerInterface;
/**
* This service contains various helper functions for the PartKeeprImporter (like purging the database).
*/
class PKImportHelper
{
protected EntityManagerInterface $em;
public function __construct(EntityManagerInterface $em)
{
$this->em = $em;
}
/**
* Purges the database tables for the import, so that all data can be created from scratch.
* Existing users and groups are not purged.
* This is needed to avoid ID collisions.
* @return void
*/
public function purgeDatabaseForImport(): void
{
//We use the ResetAutoIncrementORMPurger to reset the auto increment values of the tables. Also it normalizes table names before checking for exclusion.
$purger = new ResetAutoIncrementORMPurger($this->em, ['users', 'groups', 'u2f_keys', 'internal', 'migration_versions']);
$purger->purge();
}
/**
* Extracts the current database schema version from the PartKeepr XML dump.
* @param array $data
* @return string
*/
public function getDatabaseSchemaVersion(array $data): string
{
if (!isset($data['schemaversions'])) {
throw new \RuntimeException('Could not find schema version in XML dump!');
}
return end($data['schemaversions'])['version'];
}
/**
* Checks that the database schema of the PartKeepr XML dump is compatible with the importer
* @param array $data
* @return bool True if the schema is compatible, false otherwise
*/
public function checkVersion(array $data): bool
{
return $this->getDatabaseSchemaVersion($data) === '20170601175559';
}
}