Add delete group quota feature

Signed-off-by: David Inglebard RICQ <davidricq87@orange.fr>

README.md

@@ -26,6 +26,12 @@ occ groupquota:used Test
 occ groupquota:set Test 2GB
 ```
 
+#### Delete the quota for a group
+
+```bash
+occ groupquota:delete Test
+```
+
 #### Lists all configured quotas
 
 ```bash

appinfo/info.xml

@@ -28,6 +28,7 @@ Note: configuring quota is only possible trough the API, no admin interface is c
 	<commands>
 		<command>OCA\GroupQuota\Command\GetQuota</command>
 		<command>OCA\GroupQuota\Command\SetQuota</command>
+		<command>OCA\GroupQuota\Command\DeleteQuota</command>
 		<command>OCA\GroupQuota\Command\GetUsed</command>
 		<command>OCA\GroupQuota\Command\QuotaList</command>
 	</commands>

lib/Command/DeleteQuota.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * @copyright Copyright (c) 2019 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\GroupQuota\Command;
+
+use OC\Core\Command\Base;
+use OCA\GroupQuota\Quota\QuotaManager;
+use OCP\IGroupManager;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class DeleteQuota extends Base {
+	private $quotaManager;
+	private $groupManager;
+
+	public function __construct(
+		IGroupManager $groupManager,
+		QuotaManager $quotaManager
+	) {
+		parent::__construct();
+		$this->groupManager = $groupManager;
+		$this->quotaManager = $quotaManager;
+	}
+
+	protected function configure() {
+		$this
+			->setName('groupquota:delete')
+			->setDescription('Delete the configured quota for a group')
+			->addArgument('name', InputArgument::REQUIRED, 'Name of the group');
+		parent::configure();
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$groupId = $input->getArgument('name');
+		$group = $this->groupManager->get($groupId);
+		if (!$group) {
+			$output->writeln("<error>Group not found: $groupId</error>");
+			return -1;
+		}
+		$this->quotaManager->deleteGroupQuota($groupId);
+
+		return 0;
+	}
+}

lib/Controller/QuotaController.php

@@ -80,4 +80,12 @@ class QuotaController extends OCSController {
 			'used_relative' => round($used / $quotaBytes * 100, 2)
 		]);
 	}
+
+	public function deleteQuota(string $groupId): void {
+		$group = $this->groupManager->get($groupId);
+		if (!$group) {
+			throw new OCSBadRequestException('Group not found: ' . $groupId);
+		}
+		$this->quotaManager->deleteGroupQuota($groupId);
+	}
 }

lib/Quota/QuotaManager.php

@@ -80,4 +80,8 @@ class QuotaManager {
 		}
 		return $quotas;
 	}
+
+	public function deleteGroupQuota(string $groupId) {
+		$this->config->deleteAppValue('groupquota', 'quota_' . $groupId);
+	}
 }