nextcloud-server/apps/files/lib/Command/Object/Delete.php

<?php

declare(strict_types=1);
/**
 * @copyright Copyright (c) 2023 Robin Appelman <robin@icewind.nl>
 *
 * @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 OCA\Files\Command\Object;

use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ConfirmationQuestion;

class Delete extends Command {
	public function __construct(
		private ObjectUtil $objectUtils,
	) {
		parent::__construct();
	}

	protected function configure(): void {
		$this
			->setName('files:object:delete')
			->setDescription('Delete an object from the object store')
			->addArgument('object', InputArgument::REQUIRED, "Object to delete")
			->addOption('bucket', 'b', InputOption::VALUE_REQUIRED, "Bucket to delete the object from, only required in cases where it can't be determined from the config");
	}

	public function execute(InputInterface $input, OutputInterface $output): int {
		$object = $input->getArgument('object');
		$objectStore = $this->objectUtils->getObjectStore($input->getOption("bucket"), $output);
		if (!$objectStore) {
			return -1;
		}

		if ($fileId = $this->objectUtils->objectExistsInDb($object)) {
			$output->writeln("<error>Warning, object $object belongs to an existing file, deleting the object will lead to unexpected behavior if not replaced</error>");
			$output->writeln("  Note: use <info>occ files:delete $fileId</info> to delete the file cleanly or <info>occ info:file $fileId</info> for more information about the file");
			$output->writeln("");
		}

		if (!$objectStore->objectExists($object)) {
			$output->writeln("<error>Object $object does not exist</error>");
			return -1;
		}

		/** @var QuestionHelper $helper */
		$helper = $this->getHelper('question');
		$question = new ConfirmationQuestion("Delete $object? [y/N] ", false);
		if ($helper->ask($input, $output, $question)) {
			$objectStore->deleteObject($object);
		}
		return self::SUCCESS;
	}
}