events/Classes/Updates/MigrateDuplicateLocations.php

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<?php
declare(strict_types=1);
/*
* Copyright (C) 2023 Daniel Siepmann <coding@daniel-siepmann.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
namespace Wrm\Events\Updates;
use Generator;
use TYPO3\CMS\Core\Database\Connection;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Install\Updates\UpgradeWizardInterface;
use Wrm\Events\Domain\Model\Location;
final class MigrateDuplicateLocations implements UpgradeWizardInterface
{
/**
* @var ConnectionPool
*/
private $connectionPool;
public function __construct(
ConnectionPool $connectionPool
) {
$this->connectionPool = $connectionPool;
}
public function getIdentifier(): string
{
return self::class;
}
public function getTitle(): string
{
return 'Remove duplicate locations of EXT:event';
}
public function getDescription(): string
{
return 'Checks for duplicates and reduces them to one entry, fixing relations to events.';
}
public function updateNecessary(): bool
{
return true;
}
public function executeUpdate(): bool
{
$duplicates = [];
foreach ($this->getLocations() as $location) {
$locationObject = $this->buildObject($location);
if ($locationObject->getGlobalId() === $location['global_id']) {
continue;
}
$uid = (int)$location['uid'];
$matchingLocation = $this->getMatchingLocation(
$locationObject->getGlobalId(),
$uid
);
// Already have entries for the new id, this one is duplicate
if ($matchingLocation > 0) {
$duplicates[$uid] = $matchingLocation;
continue;
}
// No duplicates, update this one
$this->updateLocation($locationObject, $uid);
}
$this->removeDuplicates(array_keys($duplicates));
$this->updateRelations($duplicates);
return true;
}
public function getPrerequisites(): array
{
return [];
}
public static function register(): void
{
$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['ext/install']['update'][self::class] = self::class;
}
/**
* @return Generator<array>
*/
private function getLocations(): Generator
{
$queryBuilder = $this->connectionPool->getQueryBuilderForTable('tx_events_domain_model_location');
$queryBuilder->select(
'name',
'street',
'zip',
'city',
'district',
'country',
'phone',
'latitude',
'longitude',
'global_id',
'uid',
'sys_language_uid'
);
$queryBuilder->from('tx_events_domain_model_location');
$queryBuilder->orderBy('uid', 'asc');
$result = $queryBuilder->execute();
foreach ($result->fetchAllAssociative() as $location) {
yield $location;
}
}
private function getMatchingLocation(
string $globalId,
int $uid
): int {
$queryBuilder = $this->connectionPool->getQueryBuilderForTable('tx_events_domain_model_location');
$queryBuilder->select('uid');
$queryBuilder->from('tx_events_domain_model_location');
$queryBuilder->where($queryBuilder->expr()->eq('global_id', $queryBuilder->createNamedParameter($globalId)));
$queryBuilder->andWhere($queryBuilder->expr()->neq('uid', $queryBuilder->createNamedParameter($uid)));
$queryBuilder->setMaxResults(1);
$uid = $queryBuilder->execute()->fetchOne();
if (is_numeric($uid) === false) {
return 0;
}
return (int)$uid;
}
private function buildObject(array $location): Location
{
return new Location(
$location['name'],
$location['street'],
$location['zip'],
$location['city'],
$location['district'],
$location['country'],
$location['phone'],
$location['latitude'],
$location['longitude'],
(int)$location['sys_language_uid']
);
}
private function updateLocation(Location $location, int $uid): void
{
$queryBuilder = $this->connectionPool->getQueryBuilderForTable('tx_events_domain_model_location');
$queryBuilder->update('tx_events_domain_model_location');
$queryBuilder->where($queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($uid)));
$queryBuilder->set('global_id', $location->getGlobalId());
$queryBuilder->set('latitude', $location->getLatitude());
$queryBuilder->set('longitude', $location->getLongitude());
$queryBuilder->execute();
}
/**
* @param int[] $uids
*/
private function removeDuplicates(array $uids): void
{
$queryBuilder = $this->connectionPool->getQueryBuilderForTable('tx_events_domain_model_location');
$queryBuilder->delete('tx_events_domain_model_location');
$queryBuilder->where($queryBuilder->expr()->in('uid', $queryBuilder->createNamedParameter($uids, Connection::PARAM_INT_ARRAY)));
$queryBuilder->execute();
}
private function updateRelations(array $migration): void
{
$queryBuilder = $this->connectionPool->getQueryBuilderForTable('tx_events_domain_model_event');
$queryBuilder->update('tx_events_domain_model_event');
foreach ($migration as $legacyLocationUid => $newLocationUid) {
$finalBuilder = clone $queryBuilder;
$finalBuilder->where($finalBuilder->expr()->eq('location', $finalBuilder->createNamedParameter($legacyLocationUid)));
$finalBuilder->set('location', $newLocationUid);
$finalBuilder->execute();
}
}
}