Add live repair step to cleanup old chunks

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

apps/dav/appinfo/info.xml

@@ -5,7 +5,7 @@
 	<name>WebDAV</name>
 	<summary>WebDAV endpoint</summary>
 	<description>WebDAV endpoint</description>
-	<version>1.9.0</version>
+	<version>1.9.1</version>
 	<licence>agpl</licence>
 	<author>owncloud.org</author>
 	<namespace>DAV</namespace>
@@ -32,6 +32,9 @@
 			<step>OCA\DAV\Migration\BuildCalendarSearchIndex</step>
 			<step>OCA\DAV\Migration\RefreshWebcalJobRegistrar</step>
 		</post-migration>
+		<live-migration>
+			<step>OCA\DAV\Migration\ChunkCleanup</step>
+		</live-migration>
 	</repair-steps>
 
 	<commands>

apps/dav/composer/composer/autoload_classmap.php

@@ -154,6 +154,7 @@ return array(
     'OCA\\DAV\\Migration\\BuildCalendarSearchIndex' => $baseDir . '/../lib/Migration/BuildCalendarSearchIndex.php',
     'OCA\\DAV\\Migration\\BuildCalendarSearchIndexBackgroundJob' => $baseDir . '/../lib/Migration/BuildCalendarSearchIndexBackgroundJob.php',
     'OCA\\DAV\\Migration\\CalDAVRemoveEmptyValue' => $baseDir . '/../lib/Migration/CalDAVRemoveEmptyValue.php',
+    'OCA\\DAV\\Migration\\ChunkCleanup' => $baseDir . '/../lib/Migration/ChunkCleanup.php',
     'OCA\\DAV\\Migration\\FixBirthdayCalendarComponent' => $baseDir . '/../lib/Migration/FixBirthdayCalendarComponent.php',
     'OCA\\DAV\\Migration\\RefreshWebcalJobRegistrar' => $baseDir . '/../lib/Migration/RefreshWebcalJobRegistrar.php',
     'OCA\\DAV\\Migration\\Version1004Date20170825134824' => $baseDir . '/../lib/Migration/Version1004Date20170825134824.php',

apps/dav/composer/composer/autoload_static.php

@@ -169,6 +169,7 @@ class ComposerStaticInitDAV
         'OCA\\DAV\\Migration\\BuildCalendarSearchIndex' => __DIR__ . '/..' . '/../lib/Migration/BuildCalendarSearchIndex.php',
         'OCA\\DAV\\Migration\\BuildCalendarSearchIndexBackgroundJob' => __DIR__ . '/..' . '/../lib/Migration/BuildCalendarSearchIndexBackgroundJob.php',
         'OCA\\DAV\\Migration\\CalDAVRemoveEmptyValue' => __DIR__ . '/..' . '/../lib/Migration/CalDAVRemoveEmptyValue.php',
+        'OCA\\DAV\\Migration\\ChunkCleanup' => __DIR__ . '/..' . '/../lib/Migration/ChunkCleanup.php',
         'OCA\\DAV\\Migration\\FixBirthdayCalendarComponent' => __DIR__ . '/..' . '/../lib/Migration/FixBirthdayCalendarComponent.php',
         'OCA\\DAV\\Migration\\RefreshWebcalJobRegistrar' => __DIR__ . '/..' . '/../lib/Migration/RefreshWebcalJobRegistrar.php',
         'OCA\\DAV\\Migration\\Version1004Date20170825134824' => __DIR__ . '/..' . '/../lib/Migration/Version1004Date20170825134824.php',

apps/dav/lib/Migration/ChunkCleanup.php

@@ -0,0 +1,95 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2018, 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\DAV\Migration;
+
+use OCA\DAV\BackgroundJob\UploadCleanup;
+use OCP\BackgroundJob\IJobList;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use OCP\Files\NotFoundException;
+use OCP\IConfig;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class ChunkCleanup implements IRepairStep {
+
+	/** @var IConfig */
+	private $config;
+	/** @var IUserManager */
+	private $userManager;
+	/** @var IRootFolder */
+	private $rootFolder;
+	/** @var IJobList */
+	private $jobList;
+
+	public function __construct(IConfig $config,
+								IUserManager $userManager,
+								IRootFolder $rootFolder,
+								IJobList $jobList) {
+		$this->config = $config;
+		$this->userManager = $userManager;
+		$this->rootFolder = $rootFolder;
+		$this->jobList = $jobList;
+	}
+
+	public function getName(): string {
+		return 'Chunk cleanup scheduler';
+	}
+
+	public function run(IOutput $output) {
+		// If we already ran this onec there is no need to run it again
+		if ($this->config->getAppValue('dav', 'chunks_migrated', '0') === '1') {
+			$output->info('Cleanup not required');
+		}
+
+		$output->startProgress();
+		// Loop over all seen users
+		$this->userManager->callForSeenUsers(function (IUser $user) use ($output) {
+			try {
+				$userFolder = $this->rootFolder->getUserFolder($user->getUID());
+				$userRoot = $userFolder->getParent();
+				/** @var Folder $uploadFolder */
+				$uploadFolder = $userRoot->get('uploads');
+			} catch (NotFoundException $e) {
+				// No folder so skipping
+				return;
+			}
+
+			// Insert a cleanup job for each folder we find
+			$uploads = $uploadFolder->getDirectoryListing();
+			foreach ($uploads as $upload) {
+				$this->jobList->add(UploadCleanup::class, ['uid' => $user->getUID(), 'folder' => $upload->getName()]);
+			}
+			$output->advance();
+		});
+		$output->finishProgress();
+
+
+		$this->config->setAppValue('dav', 'chunks_migrated', '1');
+	}
+
+}