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|
<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Core\Command\Db\Migrations;
use OC\DB\Connection;
use OC\DB\MigrationService;
use OCP\App\IAppManager;
use ReflectionClass;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class GenerateMetadataCommand extends Command {
public function __construct(
private readonly Connection $connection,
private readonly IAppManager $appManager,
) {
parent::__construct();
}
protected function configure() {
$this->setName('migrations:generate-metadata')
->setHidden(true)
->setDescription('Generate metadata from DB migrations - internal and should not be used');
parent::configure();
}
public function execute(InputInterface $input, OutputInterface $output): int {
$output->writeln(
json_encode(
[
'migrations' => $this->extractMigrationMetadata()
],
JSON_PRETTY_PRINT
)
);
return 0;
}
private function extractMigrationMetadata(): array {
return [
'core' => $this->extractMigrationMetadataFromCore(),
'apps' => $this->extractMigrationMetadataFromApps()
];
}
private function extractMigrationMetadataFromCore(): array {
return $this->extractMigrationAttributes('core');
}
/**
* get all apps and extract attributes
*
* @return array
* @throws \Exception
*/
private function extractMigrationMetadataFromApps(): array {
$allApps = \OC_App::getAllApps();
$metadata = [];
foreach ($allApps as $appId) {
// We need to load app before being able to extract Migrations
// If app was not enabled before, we will disable it afterward.
$alreadyLoaded = $this->appManager->isInstalled($appId);
if (!$alreadyLoaded) {
$this->appManager->loadApp($appId);
}
$metadata[$appId] = $this->extractMigrationAttributes($appId);
if (!$alreadyLoaded) {
$this->appManager->disableApp($appId);
}
}
return $metadata;
}
/**
* We get all migrations from an app, and for each migration we extract attributes
*
* @param string $appId
*
* @return array
* @throws \Exception
*/
private function extractMigrationAttributes(string $appId): array {
$ms = new MigrationService($appId, $this->connection);
$metadata = [];
foreach($ms->getAvailableVersions() as $version) {
$metadata[$version] = [];
$class = new ReflectionClass($ms->createInstance($version));
$attributes = $class->getAttributes();
foreach ($attributes as $attribute) {
$metadata[$version][] = $attribute->newInstance();
}
}
return $metadata;
}
}
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