Merge pull request #11711 from nextcloud/feature/backgroundjobs_ocp

Add proper backgroundjobs to OCP

5 files changed, 259 insertions, 0 deletions

diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index 9038eedecb2..863d0e62837 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -88,6 +88,9 @@ return array(
     'OCP\\BackgroundJob' => $baseDir . '/lib/public/BackgroundJob.php',
     'OCP\\BackgroundJob\\IJob' => $baseDir . '/lib/public/BackgroundJob/IJob.php',
     'OCP\\BackgroundJob\\IJobList' => $baseDir . '/lib/public/BackgroundJob/IJobList.php',
+    'OCP\\BackgroundJob\\Job' => $baseDir . '/lib/public/BackgroundJob/Job.php',
+    'OCP\\BackgroundJob\\QueuedJob' => $baseDir . '/lib/public/BackgroundJob/QueuedJob.php',
+    'OCP\\BackgroundJob\\TimedJob' => $baseDir . '/lib/public/BackgroundJob/TimedJob.php',
     'OCP\\Calendar\\BackendTemporarilyUnavailableException' => $baseDir . '/lib/public/Calendar/BackendTemporarilyUnavailableException.php',
     'OCP\\Calendar\\ICalendar' => $baseDir . '/lib/public/Calendar/ICalendar.php',
     'OCP\\Calendar\\IManager' => $baseDir . '/lib/public/Calendar/IManager.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 57748b832cc..b14376045ab 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -118,6 +118,9 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\BackgroundJob' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob.php',
         'OCP\\BackgroundJob\\IJob' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob/IJob.php',
         'OCP\\BackgroundJob\\IJobList' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob/IJobList.php',
+        'OCP\\BackgroundJob\\Job' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob/Job.php',
+        'OCP\\BackgroundJob\\QueuedJob' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob/QueuedJob.php',
+        'OCP\\BackgroundJob\\TimedJob' => __DIR__ . '/../../..' . '/lib/public/BackgroundJob/TimedJob.php',
         'OCP\\Calendar\\BackendTemporarilyUnavailableException' => __DIR__ . '/../../..' . '/lib/public/Calendar/BackendTemporarilyUnavailableException.php',
         'OCP\\Calendar\\ICalendar' => __DIR__ . '/../../..' . '/lib/public/Calendar/ICalendar.php',
         'OCP\\Calendar\\IManager' => __DIR__ . '/../../..' . '/lib/public/Calendar/IManager.php',
diff --git a/lib/public/BackgroundJob/Job.php b/lib/public/BackgroundJob/Job.php
new file mode 100644
index 00000000000..0f872355a94
--- /dev/null
+++ b/lib/public/BackgroundJob/Job.php
@@ -0,0 +1,143 @@
+<?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 OCP\BackgroundJob;
+
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\ILogger;
+
+/**
+ * Base class for background jobs
+ *
+ * This is here if you want to do advanced stuff in your background jobs.
+ * For the most common use cases have a look at QueuedJob and TimedJob
+ *
+ * @since 15.0.0
+ */
+abstract class Job implements IJob {
+
+	/** @var int $id */
+	protected $id;
+
+	/** @var int $lastRun */
+	protected $lastRun;
+
+	/** @var mixed $argument */
+	protected $argument;
+
+	/** @var ITimeFactory */
+	protected $time;
+
+	/**
+	 * @since 15.0.0
+	 */
+	public function __construct(ITimeFactory $time) {
+		$this->time = $time;
+	}
+
+	/**
+	 * The function to prepare the execution of the job.
+
+	 *
+	 * @param IJobList $jobList
+	 * @param ILogger|null $logger
+	 *
+	 * @since 15.0.0
+	 */
+	public function execute($jobList, ILogger $logger = null) {
+		$jobList->setLastRun($this);
+		if ($logger === null) {
+			$logger = \OC::$server->getLogger();
+		}
+
+		try {
+			$jobStartTime = $this->time->getTime();
+			$logger->debug('Run ' . get_class($this) . ' job with ID ' . $this->getId(), ['app' => 'cron']);
+			$this->run($this->argument);
+			$timeTaken = $this->time->getTime() - $jobStartTime;
+
+			$logger->debug('Finished ' . get_class($this) . ' job with ID ' . $this->getId() . ' in ' . $timeTaken . ' seconds', ['app' => 'cron']);
+			$jobList->setExecutionTime($this, $timeTaken);
+		} catch (\Exception $e) {
+			if ($logger) {
+				$logger->logException($e, [
+					'app' => 'core',
+					'message' => 'Error while running background job (class: ' . get_class($this) . ', arguments: ' . print_r($this->argument, true) . ')'
+				]);
+			}
+		}
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	final public function setId($id) {
+		$this->id = $id;
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	final public function setLastRun($lastRun) {
+		$this->lastRun = $lastRun;
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	public function setArgument($argument) {
+		$this->argument = $argument;
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	final public function getId(): int {
+		return $this->id;
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	final public function getLastRun(): int {
+		return $this->lastRun;
+	}
+
+	/**
+	 * @since 15.0.0
+	 */
+	public function getArgument() {
+		return $this->argument;
+	}
+
+	/**
+	 * The actual function that is called to run the job
+	 *
+	 * @param $argument
+	 * @return mixed
+	 *
+	 * @since 15.0.0
+	 */
+	abstract protected function run($argument);
+}
diff --git a/lib/public/BackgroundJob/QueuedJob.php b/lib/public/BackgroundJob/QueuedJob.php
new file mode 100644
index 00000000000..4964ed9ad33
--- /dev/null
+++ b/lib/public/BackgroundJob/QueuedJob.php
@@ -0,0 +1,48 @@
+<?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 OCP\BackgroundJob;
+
+use OCP\ILogger;
+
+/**
+ * Simple base class for a one time background job
+ *
+ * @since 15.0.0
+ */
+abstract class QueuedJob extends Job {
+
+	/**
+	 * run the job, then remove it from the joblist
+	 *
+	 * @param IJobList $jobList
+	 * @param ILogger|null $logger
+	 *
+	 * @since 15.0.0
+	 */
+	final public function execute($jobList, ILogger $logger = null) {
+		$jobList->remove($this, $this->argument);
+		parent::execute($jobList, $logger);
+	}
+}
diff --git a/lib/public/BackgroundJob/TimedJob.php b/lib/public/BackgroundJob/TimedJob.php
new file mode 100644
index 00000000000..d58ea05d31c
--- /dev/null
+++ b/lib/public/BackgroundJob/TimedJob.php
@@ -0,0 +1,62 @@
+<?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 OCP\BackgroundJob;
+
+use OC\BackgroundJob\JobList;
+use OCP\ILogger;
+
+/**
+ * Simple base class to extend to run periodic background jobs.
+ * Call setInterval with your desired interval in seconds from the constructor.
+ *
+ * @since 15.0.0
+ */
+abstract class TimedJob extends Job {
+	/** @var int */
+	protected $interval = 0;
+
+	/**
+	 * set the interval for the job
+	 *
+	 * @since 15.0.0
+	 */
+	public function setInterval(int $interval) {
+		$this->interval = $interval;
+	}
+
+	/**
+	 * run the job if the last run is is more than the interval ago
+	 *
+	 * @param JobList $jobList
+	 * @param ILogger|null $logger
+	 *
+	 * @since 15.0.0
+	 */
+	final public function execute($jobList, ILogger $logger = null) {
+		if (($this->time->getTime() - $this->lastRun) > $this->interval) {
+			parent::execute($jobList, $logger);
+		}
+	}
+}