From 1b0e255b8f23a1306efc92db96d1a563e94c8866 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Sun, 21 Jun 2015 14:26:38 +0200
Subject: [PATCH] Perform background tasks via AJAX request

---
 .../templates/headIncludeJavaScript.tpl       | 10 +++++++
 .../BackgroundQueuePerformAction.class.php    | 26 +++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php

diff --git a/com.woltlab.wcf/templates/headIncludeJavaScript.tpl b/com.woltlab.wcf/templates/headIncludeJavaScript.tpl
index 580f9c5fc2..c29524d520 100644
--- a/com.woltlab.wcf/templates/headIncludeJavaScript.tpl
+++ b/com.woltlab.wcf/templates/headIncludeJavaScript.tpl
@@ -226,6 +226,16 @@ requirejs.config({
 				}
 			});
 		{/if}
+		
+		require(['Ajax'], function(Ajax) {
+			// fire and forget background queue perform task
+			Ajax.apiOnce({
+				url: '{link controller="BackgroundQueuePerform"}{/link}',
+				ignoreError: true,
+				silent: true
+			});
+		});
+		
 		{if $__sessionKeepAlive|isset}
 			new WCF.System.KeepAlive({@$__sessionKeepAlive});
 		{/if}
diff --git a/wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php b/wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php
new file mode 100644
index 0000000000..beffea8a47
--- /dev/null
+++ b/wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php
@@ -0,0 +1,26 @@
+<?php
+namespace wcf\action;
+use wcf\system\background\BackgroundQueueHandler;
+
+/**
+ * Performs background queue jobs.
+ * 
+ * @author	Tim Duesterhus
+ * @copyright	2001-2015 WoltLab GmbH
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	action
+ * @category	Community Framework
+ */
+class BackgroundQueuePerformAction extends AbstractAction {
+	/**
+	 * @see	\wcf\action\IAction::execute()
+	 */
+	public function execute() {
+		parent::execute();
+		
+		@header('HTTP/1.1 204 No Content');
+		BackgroundQueueHandler::getInstance()->performNextJob();
+		exit;
+	}
+}
-- 
2.20.1