1 files changed, 96 insertions, 0 deletions
diff --git a/ncp-previewgenerator/ncp-previewgenerator-nc21/lib/Command/DeleteOld.php b/ncp-previewgenerator/ncp-previewgenerator-nc21/lib/Command/DeleteOld.php
new file mode 100644
index 00000000..a9b4d197
--- /dev/null
+++ b/ncp-previewgenerator/ncp-previewgenerator-nc21/lib/Command/DeleteOld.php
@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.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\PreviewGenerator\Command;
+
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use OCP\Files\NotFoundException;
+use OCP\IUser;
+use OCP\IUserManager;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class DeleteOld extends Command {
+
+	/** @var IUserManager */
+	protected $userManager;
+
+	/** @var IRootFolder */
+	protected $rootFolder;
+
+	public function __construct(IRootFolder $rootFolder,
+								IUserManager $userManager) {
+		parent::__construct();
+
+		$this->userManager = $userManager;
+		$this->rootFolder = $rootFolder;
+	}
+
+	protected function configure() {
+		$this
+			->setName('preview:delete_old')
+			->setDescription('Delete old preview folder (pre NC11)')
+			->addArgument(
+				'user_id',
+				InputArgument::OPTIONAL,
+				'Delete old preview folder for the given user'
+			);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$userId = $input->getArgument('user_id');
+
+		if ($userId === null) {
+			$this->userManager->callForSeenUsers(function (IUser $user) {
+				$this->deletePreviews($user);
+			});
+		} else {
+			$user = $this->userManager->get($userId);
+			if ($user !== null) {
+				$this->deletePreviews($user);
+			}
+		}
+
+		return 0;
+	}
+
+	private function deletePreviews(IUser $user) {
+		\OC_Util::tearDownFS();
+		\OC_Util::setupFS($user->getUID());
+
+		$userFolder = $this->rootFolder->getUserFolder($user->getUID());
+		$userRoot = $userFolder->getParent();
+
+		try {
+			/** @var Folder $thumbnails */
+			$thumbnails = $userRoot->get('thumbnails');
+			$thumbnails->delete();
+		} catch (NotFoundException $e) {
+			//Ignore
+		}
+	}
+}