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<?php
/**
* @copyright Copyright (c) 2017 Joas Schilling <coding@schilljs.com>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.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\Owncloud;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\Migration\IOutput;
use OCP\Migration\IRepairStep;
use OCP\PreConditionNotMetException;
/**
* Copies the email address from the accounts table to the preference table,
* before the data structure is changed and the information is gone
*/
class SaveAccountsTableData implements IRepairStep {
public const BATCH_SIZE = 75;
/** @var IDBConnection */
protected $db;
/** @var IConfig */
protected $config;
protected $hasForeignKeyOnPersistentLocks = false;
/**
* @param IDBConnection $db
* @param IConfig $config
*/
public function __construct(IDBConnection $db, IConfig $config) {
$this->db = $db;
$this->config = $config;
}
/**
* @return string
*/
public function getName() {
return 'Copy data from accounts table when migrating from ownCloud';
}
/**
* @param IOutput $output
*/
public function run(IOutput $output) {
if (!$this->shouldRun()) {
return;
}
$offset = 0;
$numUsers = $this->runStep($offset);
while ($numUsers === self::BATCH_SIZE) {
$offset += $numUsers;
$numUsers = $this->runStep($offset);
}
// oc_persistent_locks will be removed later on anyways so we can just drop and ignore any foreign key constraints here
$tableName = $this->config->getSystemValue('dbtableprefix', 'oc_') . 'persistent_locks';
$schema = $this->db->createSchema();
$table = $schema->getTable($tableName);
foreach ($table->getForeignKeys() as $foreignKey) {
$table->removeForeignKey($foreignKey->getName());
}
$this->db->migrateToSchema($schema);
// Remove the table
if ($this->hasForeignKeyOnPersistentLocks) {
$this->db->dropTable('persistent_locks');
}
$this->db->dropTable('accounts');
}
/**
* @return bool
*/
protected function shouldRun() {
$schema = $this->db->createSchema();
$prefix = $this->config->getSystemValue('dbtableprefix', 'oc_');
$tableName = $prefix . 'accounts';
if (!$schema->hasTable($tableName)) {
return false;
}
$table = $schema->getTable($tableName);
if (!$table->hasColumn('user_id')) {
return false;
}
if ($schema->hasTable($prefix . 'persistent_locks')) {
$locksTable = $schema->getTable($prefix . 'persistent_locks');
$foreignKeys = $locksTable->getForeignKeys();
foreach ($foreignKeys as $foreignKey) {
if ($tableName === $foreignKey->getForeignTableName()) {
$this->hasForeignKeyOnPersistentLocks = true;
}
}
}
return true;
}
/**
* @param int $offset
* @return int Number of copied users
*/
protected function runStep($offset) {
$query = $this->db->getQueryBuilder();
$query->select('*')
->from('accounts')
->orderBy('id')
->setMaxResults(self::BATCH_SIZE);
if ($offset > 0) {
$query->setFirstResult($offset);
}
$result = $query->execute();
$update = $this->db->getQueryBuilder();
$update->update('users')
->set('displayname', $update->createParameter('displayname'))
->where($update->expr()->eq('uid', $update->createParameter('userid')));
$updatedUsers = 0;
while ($row = $result->fetch()) {
try {
$this->migrateUserInfo($update, $row);
} catch (PreConditionNotMetException $e) {
// Ignore and continue
} catch (\UnexpectedValueException $e) {
// Ignore and continue
}
$updatedUsers++;
}
$result->closeCursor();
return $updatedUsers;
}
/**
* @param IQueryBuilder $update
* @param array $userdata
* @throws PreConditionNotMetException
* @throws \UnexpectedValueException
*/
protected function migrateUserInfo(IQueryBuilder $update, $userdata) {
$state = (int) $userdata['state'];
if ($state === 3) {
// Deleted user, ignore
return;
}
if ($userdata['email'] !== null) {
$this->config->setUserValue($userdata['user_id'], 'settings', 'email', $userdata['email']);
}
if ($userdata['quota'] !== null) {
$this->config->setUserValue($userdata['user_id'], 'files', 'quota', $userdata['quota']);
}
if ($userdata['last_login'] !== null) {
$this->config->setUserValue($userdata['user_id'], 'login', 'lastLogin', $userdata['last_login']);
}
if ($state === 1) {
$this->config->setUserValue($userdata['user_id'], 'core', 'enabled', 'true');
} elseif ($state === 2) {
$this->config->setUserValue($userdata['user_id'], 'core', 'enabled', 'false');
}
if ($userdata['display_name'] !== null) {
$update->setParameter('displayname', $userdata['display_name'])
->setParameter('userid', $userdata['user_id']);
$update->execute();
}
}
}
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