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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\User_LDAP\Migration;
use Closure;
use OCP\DB\ISchemaWrapper;
use OCP\DB\Types;
use OCP\IDBConnection;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;
class Version1190Date20230706134108 extends SimpleMigrationStep {
public function __construct(
private IDBConnection $dbc,
) {
}
public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
}
public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
/** @var ISchemaWrapper $schema */
$schema = $schemaClosure();
if (!$schema->hasTable('ldap_group_membership')) {
$table = $schema->createTable('ldap_group_membership');
$table->addColumn('id', Types::BIGINT, [
'autoincrement' => true,
'notnull' => true,
]);
$table->addColumn('groupid', Types::STRING, [
'notnull' => true,
'length' => 255,
'default' => '',
]);
$table->addColumn('userid', Types::STRING, [
'notnull' => true,
'length' => 64,
'default' => '',
]);
$table->setPrimaryKey(['id']);
$table->addUniqueIndex(['groupid', 'userid'], 'user_ldap_membership_unique');
return $schema;
} else {
return null;
}
}
public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
/** @var ISchemaWrapper $schema */
$schema = $schemaClosure();
if (!$schema->hasTable('ldap_group_members')) {
// Old table does not exist
return;
}
$output->startProgress();
$this->copyGroupMembershipData();
$output->finishProgress();
}
protected function copyGroupMembershipData(): void {
$insert = $this->dbc->getQueryBuilder();
$insert->insert('ldap_group_membership')
->values([
'userid' => $insert->createParameter('userid'),
'groupid' => $insert->createParameter('groupid'),
]);
$query = $this->dbc->getQueryBuilder();
$query->select('*')
->from('ldap_group_members');
$result = $query->executeQuery();
while ($row = $result->fetch()) {
$knownUsers = unserialize($row['owncloudusers']);
if (!is_array($knownUsers)) {
/* Unserialize failed or data was incorrect in database, ignore */
continue;
}
$knownUsers = array_unique($knownUsers);
foreach ($knownUsers as $knownUser) {
try {
$insert
->setParameter('groupid', $row['owncloudname'])
->setParameter('userid', $knownUser)
;
$insert->executeStatement();
} catch (\OCP\DB\Exception $e) {
/*
* If it fails on unique constaint violation it may just be left over value from previous half-migration
* If it fails on something else, ignore as well, data will be filled by background job later anyway
*/
}
}
}
$result->closeCursor();
}
}
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