From 55bd5129a5c52053b7db341744c66813387d73ff Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <timwolla@arcor.de>
Date: Thu, 9 Feb 2012 18:49:14 +0100
Subject: [PATCH] Adding CacheClearAction

This class was handcoded with nano!
---
 .../lib/acp/action/CacheClearAction.class.php | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/acp/action/CacheClearAction.class.php

diff --git a/wcfsetup/install/files/lib/acp/action/CacheClearAction.class.php b/wcfsetup/install/files/lib/acp/action/CacheClearAction.class.php
new file mode 100644
index 0000000000..73f9beed7d
--- /dev/null
+++ b/wcfsetup/install/files/lib/acp/action/CacheClearAction.class.php
@@ -0,0 +1,57 @@
+<?php
+namespace wcf\acp\action;
+use wcf\action\AbstractAction;
+use wcf\system\cache\CacheHandler;
+use wcf\system\exception\SystemException;
+use wcf\system\database\util\PreparedStatementConditionBuilder;
+use wcf\system\language\LanguageFactory;
+use wcf\system\package\PackageDependencyHandler;
+use wcf\system\request\LinkHandler;
+use wcf\system\WCF;
+use wcf\util\FileUtil;
+use wcf\util\HeaderUtil;
+
+/**
+ * Clears the cache.
+ *
+ * @author	Tim Düsterhus
+ * @copyright	2012 Tim Düsterhus
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	acp.action
+ * @category	Community Framework
+ */
+class CacheClearAction extends AbstractAction {
+	/**
+	 * @see wcf\action\IAction::execute()
+	 */
+	public function execute() {
+		parent::execute();
+		WCF::getSession()->checkPermissions(array('admin.system.canViewLog'));
+		
+		// this will clean up the templates as well
+		LanguageFactory::getInstance()->deleteLanguageCache();
+		
+		$conditions = new PreparedStatementConditionBuilder();
+		$conditions->add("packageID IN (?)", array(PackageDependencyHandler::getDependencies()));
+		$conditions->add("isApplication = ?", array(1));
+		
+		// get package dirs
+		$sql = "SELECT	packageDir
+			FROM	wcf".WCF_N."_package
+			".$conditions;
+			$statement = WCF::getDB()->prepareStatement($sql);
+			$statement->execute($conditions->getParameters());
+		while ($row = $statement->fetchArray()) {
+			$packageDir = FileUtil::getRealPath(WCF_DIR . $row['packageDir']);
+			try {
+				CacheHandler::getInstance()->clear($packageDir.'cache', '*.php');
+			}
+			catch (SystemException $e) {
+			}
+		}
+		$this->executed();
+		HeaderUtil::redirect(LinkHandler::getInstance()->getLink('CacheList'));
+		exit;
+	}
+}
-- 
2.20.1