4 files changed, 76 insertions, 9 deletions

diff --git a/lib/private/files/cache/homecache.php b/lib/private/files/cache/homecache.php
new file mode 100644
index 00000000000..4b14bd12190
--- /dev/null
+++ b/lib/private/files/cache/homecache.php
@@ -0,0 +1,40 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Files\Cache;
+
+class HomeCache extends Cache {
+	/**
+	 * get the size of a folder and set it in the cache
+	 *
+	 * @param string $path
+	 * @return int
+	 */
+	public function calculateFolderSize($path) {
+		if ($path !== '/' and $path !== '') {
+			return parent::calculateFolderSize($path);
+		}
+
+		$totalSize = 0;
+		$entry = $this->get($path);
+		if ($entry && $entry['mimetype'] === 'httpd/unix-directory') {
+			$id = $entry['fileid'];
+			$sql = 'SELECT SUM(`size`) FROM `*PREFIX*filecache` ' .
+				'WHERE `parent` = ? AND `storage` = ? AND `size` >= 0';
+			$result = \OC_DB::executeAudited($sql, array($id, $this->getNumericStorageId()));
+			if ($row = $result->fetchRow()) {
+				list($sum) = array_values($row);
+				$totalSize = (int)$sum;
+				if ($entry['size'] !== $totalSize) {
+					$this->update($id, array('size' => $totalSize));
+				}
+			}
+		}
+		return $totalSize;
+	}
+}
diff --git a/lib/private/files/filesystem.php b/lib/private/files/filesystem.php
index e40502bbe64..899666f3e1a 100644
--- a/lib/private/files/filesystem.php
+++ b/lib/private/files/filesystem.php
@@ -307,10 +307,18 @@ class Filesystem {
 		$root = \OC_User::getHome($user);
 
 		$userObject = \OC_User::getManager()->get($user);
-		if (\OC\Files\Cache\Storage::exists('local::' . $root . '/') or is_null($userObject)) {
+
+		if (!is_null($userObject)) {
+			// check for legacy home id (<= 5.0.12)
+			if (\OC\Files\Cache\Storage::exists('local::' . $root . '/')) {
+				self::mount('\OC\Files\Storage\Home', array('user' => $userObject, 'legacy' => true), $user);
+			}
+			else {
+				self::mount('\OC\Files\Storage\Home', array('user' => $userObject), $user);
+			}
+		}
+		else {
 			self::mount('\OC\Files\Storage\Local', array('datadir' => $root), $user);
-		} else {
-			self::mount('\OC\Files\Storage\Home', array('user' => $userObject), $user);
 		}
 		$datadir = \OC_Config::getValue("datadirectory", \OC::$SERVERROOT . "/data");
 
diff --git a/lib/private/files/storage/common.php b/lib/private/files/storage/common.php
index a5b79f0e967..3943d667c35 100644
--- a/lib/private/files/storage/common.php
+++ b/lib/private/files/storage/common.php
@@ -21,11 +21,11 @@ namespace OC\Files\Storage;
  */
 
 abstract class Common implements \OC\Files\Storage\Storage {
-	private $cache;
-	private $scanner;
-	private $permissioncache;
-	private $watcher;
-	private $storageCache;
+	protected $cache;
+	protected $scanner;
+	protected $permissioncache;
+	protected $watcher;
+	protected $storageCache;
 
 	public function __construct($parameters) {
 	}
diff --git a/lib/private/files/storage/home.php b/lib/private/files/storage/home.php
index bf1d6017cbf..b4ceb8f4f9b 100644
--- a/lib/private/files/storage/home.php
+++ b/lib/private/files/storage/home.php
@@ -13,6 +13,11 @@ namespace OC\Files\Storage;
  */
 class Home extends Local {
 	/**
+	 * @var string
+	 */
+	protected $id;
+
+	/**
 	 * @var \OC\User\User $user
 	 */
 	protected $user;
@@ -20,11 +25,25 @@ class Home extends Local {
 	public function __construct($arguments) {
 		$this->user = $arguments['user'];
 		$datadir = $this->user->getHome();
+		if (isset($arguments['legacy']) && $arguments['legacy']) {
+			// legacy home id (<= 5.0.12)
+			$this->id = 'local::' . $datadir . '/';
+		}
+		else {
+		    $this->id = 'home::' . $this->user->getUID();
+		}
 
 		parent::__construct(array('datadir' => $datadir));
 	}
 
 	public function getId() {
-		return 'home::' . $this->user->getUID();
+		return $this->id;
+	}
+
+	public function getCache($path = '') {
+		if (!isset($this->cache)) {
+			$this->cache = new \OC\Files\Cache\HomeCache($this);
+		}
+		return $this->cache;
 	}
 }