nextcloud-custom-apps-face-.../facerecognition/lib/Migration/Version0910Date20221109095949.php
2024-09-03 09:12:12 +05:00

101 lines
2.7 KiB
PHP

<?php
declare(strict_types=1);
namespace OCA\FaceRecognition\Migration;
use Closure;
use OCP\DB\ISchemaWrapper;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;
use OCP\IDBConnection;
class Version0910Date20221109095949 extends SimpleMigrationStep {
private $connection;
public function __construct(IDBConnection $connection) {
$this->connection = $connection;
}
/**
* @param IOutput $output
* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
* @param array $options
*/
public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
}
/**
* @param IOutput $output
* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
* @param array $options
* @return null|ISchemaWrapper
*/
public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
$schema = $schemaClosure();
$table = $schema->getTable('facerecog_faces');
if ($table->hasColumn('width'))
return null;
/**
* NOTE: These columns should just be notnull.
* In this migration add an default, since the previous rows would be null and cannot be migrated.
*/
$table->addColumn('x', 'integer', [
'notnull' => true,
'default' => -1,
'length' => 4,
]);
$table->addColumn('y', 'integer', [
'notnull' => true,
'default' => -1,
'length' => 4,
]);
$table->addColumn('width', 'integer', [
'notnull' => true,
'default' => -1,
'length' => 4,
]);
$table->addColumn('height', 'integer', [
'notnull' => true,
'default' => -1,
'length' => 4,
]);
return $schema;
}
/**
* @param IOutput $output
* @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
* @param array $options
*/
public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
$update = $this->connection->getQueryBuilder();
$update->update('facerecog_faces')
->set('x', $update->createParameter('new_x'))
->set('y', $update->createParameter('new_y'))
->set('width', $update->createParameter('new_width'))
->set('height', $update->createParameter('new_height'))
->where($update->expr()->eq('id', $update->createParameter('id')));
$query = $this->connection->getQueryBuilder();
$query->select('*')->from('facerecog_faces');
$result = $query->execute();
while ($row = $result->fetch()) {
$update->setParameter('new_x', $row['left']);
$update->setParameter('new_y', $row['top']);
$update->setParameter('new_width', $row['right'] - $row['left']);
$update->setParameter('new_height', $row['bottom'] - $row['top']);
$update->setParameter('id', $row['id']);
$update->executeStatement();
}
$result->closeCursor();
}
}