Repair Step

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
This commit is contained in:
John Molakvoæ (skjnldsv) 2018-10-26 18:13:19 +02:00 committed by Morris Jobke
parent 5a1d353372
commit 938c63e3a2
No known key found for this signature in database
GPG Key ID: FE03C3A163FEDE68
2 changed files with 130 additions and 3 deletions

View File

@ -38,9 +38,9 @@ class Version15000Date20180927120000 extends SimpleMigrationStep {
$table = $schema->getTable('cards');
$table->addColumn('uid', Type::STRING, [
'notnull' => true,
'length' => 255]
);
'notnull' => false,
'length' => 255
]);
return $schema;
}

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@ -0,0 +1,127 @@
<?php
/**
* @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
*
* @author John Molakvoæ <skjnldsv@protonmail.com>
*
* @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 OC\Repair\NC13;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
class SetVcardDatabaseUID implements IRepairStep {
const MAX_ROWS = 1000;
/** @var IDBConnection */
private $connection;
private $updateQuery;
public function __construct(IDBConnection $connection) {
$this->connection = $connection;
}
public function getName() {
return 'Extract the vcard uid and store it in the db';
}
/**
* @return \Generator
* @suppress SqlInjectionChecker
*/
private function getInvalidEntries() {
$builder = $this->connection->getQueryBuilder();
$builder->select('id', 'carddata')
->from('cards')
->where($builder->expr()->isNull('uid'))
->setMaxResults(self::MAX_ROWS);
do {
$result = $builder->execute();
$rows = $result->fetchAll();
foreach ($rows as $row) {
yield $row;
}
$result->closeCursor();
} while (count($rows) > 0);
}
private function getUid($carddata) {
preg_match('/^UID:(.*)$/m', $carddata, $matches);
if (count($matches > 1)) {
return $matches[1][0];
}
return false;
}
/**
* @param int $id
* @param string $uid
*/
private function update($id, $uid) {
if (!$this->updateQuery) {
$builder = $this->connection->getQueryBuilder();
$this->updateQuery = $builder->update('cards')
->set('uid', $builder->createParameter('uid'))
->where($builder->expr()->eq('id', $builder->createParameter('id')));
}
$this->updateQuery->setParameter('id', $id);
$this->updateQuery->setParameter('uid', $uid);
$this->updateQuery->execute();
}
private function repair() {
$this->connection->beginTransaction();
$entries = $this->getInvalidEntries();
$count = 0;
foreach ($entries as $entry) {
$count++;
$uid = $this->getUid($entry['id']);
if ($uid !== false) {
$this->update($entry['id'], $uid);
}
}
$this->connection->commit();
return $count;
}
private function shouldRun() {
$versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0');
// was added to 15.0.0.0
return version_compare($versionFromBeforeUpdate, '15.0.0.0', '<=');
}
public function run(IOutput $output) {
if ($this->shouldRun()) {
$count = $this->repair();
$output->info('Fixed ' . $count . ' vcards');
}
}
}