nextcloud-server/core/Command/User/Delete.php

<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
 * @author Jens-Christian Fischer <jens-christian.fischer@switch.ch>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */
namespace OC\Core\Command\User;

use OC\Core\Command\Base;
use OCP\IUser;
use OCP\IUserManager;
use Stecman\Component\Symfony\Console\BashCompletion\CompletionContext;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

class Delete extends Base {
	/** @var IUserManager */
	protected $userManager;

	/**
	 * @param IUserManager $userManager
	 */
	public function __construct(IUserManager $userManager) {
		$this->userManager = $userManager;
		parent::__construct();
	}

	protected function configure() {
		$this
			->setName('user:delete')
			->setDescription('deletes the specified user')
			->addArgument(
				'uid',
				InputArgument::REQUIRED,
				'the username'
			);
	}

	protected function execute(InputInterface $input, OutputInterface $output): int {
		$user = $this->userManager->get($input->getArgument('uid'));
		if (is_null($user)) {
			$output->writeln('<error>User does not exist</error>');
			return 0;
		}

		if ($user->delete()) {
			$output->writeln('<info>The specified user was deleted</info>');
			return 0;
		}

		$output->writeln('<error>The specified user could not be deleted. Please check the logs.</error>');
		return 1;
	}

	/**
	 * @param string $argumentName
	 * @param CompletionContext $context
	 * @return string[]
	 */
	public function completeArgumentValues($argumentName, CompletionContext $context) {
		if ($argumentName === 'uid') {
			return array_map(static fn (IUser $user) => $user->getUID(), $this->userManager->search($context->getCurrentWord()));
		}
		return [];
	}
}