From 21970c1b196b8d3195f63bccc8b16b5571f19952 Mon Sep 17 00:00:00 2001
From: Joas Schilling <nickvergessen@owncloud.com>
Date: Wed, 20 Apr 2016 10:36:15 +0200
Subject: [PATCH] Chunk the users correctly in the trashbin and versions
 background job

---
 .../lib/backgroundjob/expiretrash.php         | 55 +++++--------------
 .../tests/backgroundjob/expiretrash.php       |  1 -
 .../lib/backgroundjob/expireversions.php      | 28 ++++------
 3 files changed, 26 insertions(+), 58 deletions(-)

diff --git a/apps/files_trashbin/lib/backgroundjob/expiretrash.php b/apps/files_trashbin/lib/backgroundjob/expiretrash.php
index 4ee0658840..8a4e2d41fe 100644
--- a/apps/files_trashbin/lib/backgroundjob/expiretrash.php
+++ b/apps/files_trashbin/lib/backgroundjob/expiretrash.php
@@ -23,6 +23,7 @@
 namespace OCA\Files_Trashbin\BackgroundJob;
 
 use OCP\IConfig;
+use OCP\IUser;
 use OCP\IUserManager;
 use OCA\Files_Trashbin\AppInfo\Application;
 use OCA\Files_Trashbin\Expiration;
@@ -31,40 +32,28 @@ use OCA\Files_Trashbin\Trashbin;
 
 class ExpireTrash extends \OC\BackgroundJob\TimedJob {
 
-	const ITEMS_PER_SESSION = 1000;
-
 	/**
 	 * @var Expiration
 	 */
 	private $expiration;
-
-	/**
-	 * @var IConfig
-	 */
-	private $config;
 	
 	/**
 	 * @var IUserManager
 	 */
 	private $userManager;
-	
-	const USERS_PER_SESSION = 1000;
 
 	/**
-	 * @param IConfig|null $config
 	 * @param IUserManager|null $userManager
 	 * @param Expiration|null $expiration
 	 */
-	public function __construct(IConfig $config = null,
-								IUserManager $userManager = null,
+	public function __construct(IUserManager $userManager = null,
 								Expiration $expiration = null) {
 		// Run once per 30 minutes
 		$this->setInterval(60 * 30);
 
-		if (is_null($expiration) || is_null($userManager) || is_null($config)) {
+		if (is_null($expiration) || is_null($userManager)) {
 			$this->fixDIForJobs();
 		} else {
-			$this->config = $config;
 			$this->userManager = $userManager;
 			$this->expiration = $expiration;
 		}
@@ -72,7 +61,6 @@ class ExpireTrash extends \OC\BackgroundJob\TimedJob {
 
 	protected function fixDIForJobs() {
 		$application = new Application();
-		$this->config = \OC::$server->getConfig();
 		$this->userManager = \OC::$server->getUserManager();
 		$this->expiration = $application->getContainer()->query('Expiration');
 	}
@@ -86,26 +74,15 @@ class ExpireTrash extends \OC\BackgroundJob\TimedJob {
 		if (!$maxAge) {
 			return;
 		}
-		
-		$offset = $this->config->getAppValue('files_trashbin', 'cronjob_user_offset', 0);
-		$users = $this->userManager->search('', self::USERS_PER_SESSION, $offset);
-		if (!count($users)) {
-			// No users found, reset offset and retry
-			$offset = 0;
-			$users = $this->userManager->search('', self::USERS_PER_SESSION);
-		}
-		
-		$offset += self::USERS_PER_SESSION;
-		$this->config->setAppValue('files_trashbin', 'cronjob_user_offset', $offset);
-		
-		foreach ($users as $user) {
+
+		$this->userManager->callForAllUsers(function(IUser $user) {
 			$uid = $user->getUID();
 			if (!$this->setupFS($uid)) {
-				continue;
+				return;
 			}
 			$dirContent = Helper::getTrashFiles('/', $uid, 'mtime');
 			Trashbin::deleteExpiredFiles($dirContent, $uid);
-		}
+		});
 		
 		\OC_Util::tearDownFS();
 	}
@@ -115,20 +92,16 @@ class ExpireTrash extends \OC\BackgroundJob\TimedJob {
 	 * @param string $user
 	 * @return boolean
 	 */
-	private function setupFS($user){
-		if (!$this->userManager->userExists($user)) {
-			return false;
-		}
-
-		//Check if this user has a trashbin directory
-		$view = new \OC\Files\View('/' . $user);
-		if (!$view->is_dir('/files_trashbin/files')){
-			return false;
-		}
-
+	protected function setupFS($user) {
 		\OC_Util::tearDownFS();
 		\OC_Util::setupFS($user);
 
+		// Check if this user has a trashbin directory
+		$view = new \OC\Files\View('/' . $user);
+		if (!$view->is_dir('/files_trashbin/files')) {
+			return false;
+		}
+
 		return true;
 	}
 }
diff --git a/apps/files_trashbin/tests/backgroundjob/expiretrash.php b/apps/files_trashbin/tests/backgroundjob/expiretrash.php
index 79fc91884f..c98a555c92 100644
--- a/apps/files_trashbin/tests/backgroundjob/expiretrash.php
+++ b/apps/files_trashbin/tests/backgroundjob/expiretrash.php
@@ -26,7 +26,6 @@ use \OCA\Files_Trashbin\BackgroundJob\ExpireTrash;
 class ExpireTrash_Test extends \Test\TestCase {
 	public function testConstructAndRun() {
 		$backgroundJob = new ExpireTrash(
-			$this->getMock('OCP\IConfig'),
 			$this->getMock('OCP\IUserManager'),
 			$this->getMockBuilder('OCA\Files_Trashbin\Expiration')->disableOriginalConstructor()->getMock()
 		);
diff --git a/apps/files_versions/lib/backgroundjob/expireversions.php b/apps/files_versions/lib/backgroundjob/expireversions.php
index 5d8eef4e35..8e14e65b9a 100644
--- a/apps/files_versions/lib/backgroundjob/expireversions.php
+++ b/apps/files_versions/lib/backgroundjob/expireversions.php
@@ -21,6 +21,7 @@
 
 namespace OCA\Files_Versions\BackgroundJob;
 
+use OCP\IUser;
 use OCP\IUserManager;
 use OCA\Files_Versions\AppInfo\Application;
 use OCA\Files_Versions\Storage;
@@ -64,20 +65,13 @@ class ExpireVersions extends \OC\BackgroundJob\TimedJob {
 			return;
 		}
 
-		$users = $this->userManager->search('');
-		$isFSready = false;
-		foreach ($users as $user) {
+		$this->userManager->callForAllUsers(function(IUser $user) {
 			$uid = $user->getUID();
-			if (!$isFSready) {
-				if (!$this->setupFS($uid)) {
-					continue;
-				}
-				$isFSready = true;
+			if (!$this->setupFS($uid)) {
+				return;
 			}
 			Storage::expireOlderThanMaxForUser($uid);
-		}
-
-		\OC_Util::tearDownFS();
+		});
 	}
 
 	/**
@@ -85,14 +79,16 @@ class ExpireVersions extends \OC\BackgroundJob\TimedJob {
 	 * @param string $user
 	 * @return boolean
 	 */
-	private function setupFS($user){
-		if (!$this->userManager->userExists($user)) {
-			return false;
-		}
-
+	protected function setupFS($user) {
 		\OC_Util::tearDownFS();
 		\OC_Util::setupFS($user);
 
+		// Check if this user has a versions directory
+		$view = new \OC\Files\View('/' . $user);
+		if (!$view->is_dir('/files_versions')) {
+			return false;
+		}
+
 		return true;
 	}
 }