1 files changed, 76 insertions, 0 deletions
diff --git a/core/Command/Group/RemoveUser.php b/core/Command/Group/RemoveUser.php
new file mode 100644
index 00000000000..952fc6e7712
--- /dev/null
+++ b/core/Command/Group/RemoveUser.php
@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Core\Command\Group;
+
+use OC\Core\Command\Base;
+use OCP\IGroup;
+use OCP\IGroupManager;
+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 RemoveUser extends Base {
+	public function __construct(
+		protected IUserManager $userManager,
+		protected IGroupManager $groupManager,
+	) {
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('group:removeuser')
+			->setDescription('remove a user from a group')
+			->addArgument(
+				'group',
+				InputArgument::REQUIRED,
+				'group to remove the user from'
+			)->addArgument(
+				'user',
+				InputArgument::REQUIRED,
+				'user to remove from the group'
+			);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$group = $this->groupManager->get($input->getArgument('group'));
+		if (is_null($group)) {
+			$output->writeln('<error>group not found</error>');
+			return 1;
+		}
+		$user = $this->userManager->get($input->getArgument('user'));
+		if (is_null($user)) {
+			$output->writeln('<error>user not found</error>');
+			return 1;
+		}
+		$group->removeUser($user);
+		return 0;
+	}
+
+	/**
+	 * @param string $argumentName
+	 * @param CompletionContext $context
+	 * @return string[]
+	 */
+	public function completeArgumentValues($argumentName, CompletionContext $context) {
+		if ($argumentName === 'group') {
+			return array_map(static fn (IGroup $group) => $group->getGID(), $this->groupManager->search($context->getCurrentWord()));
+		}
+		if ($argumentName === 'user') {
+			$groupId = $context->getWordAtIndex($context->getWordIndex() - 1);
+			$group = $this->groupManager->get($groupId);
+			if ($group === null) {
+				return [];
+			}
+			return array_map(static fn (IUser $user) => $user->getUID(), $group->searchUsers($context->getCurrentWord()));
+		}
+		return [];
+	}
+}