1 files changed, 81 insertions, 0 deletions
diff --git a/lib/files/cache/legacy.php b/lib/files/cache/legacy.php
new file mode 100644
index 00000000000..33d4b8e7c9f
--- /dev/null
+++ b/lib/files/cache/legacy.php
@@ -0,0 +1,81 @@
+<?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;
+
+/**
+ * Provide read only support for the old filecache
+ */
+class Legacy {
+	private $user;
+
+	private $cacheHasItems = null;
+
+	public function __construct($user) {
+		$this->user = $user;
+	}
+
+	function getCount() {
+		$query = \OC_DB::prepare('SELECT COUNT(`id`) AS `count` FROM `*PREFIX*fscache` WHERE `user` = ?');
+		$result = $query->execute(array($this->user));
+		if ($row = $result->fetchRow()) {
+			return $row['count'];
+		} else {
+			return 0;
+		}
+	}
+
+	/**
+	 * check if a legacy cache is present and holds items
+	 *
+	 * @return bool
+	 */
+	function hasItems() {
+		if (!is_null($this->cacheHasItems)) {
+			return $this->cacheHasItems;
+		}
+		try {
+			$query = \OC_DB::prepare('SELECT `id` FROM `*PREFIX*fscache` WHERE `user` = ? LIMIT 1');
+		} catch (\Exception $e) {
+			$this->cacheHasItems = false;
+			return false;
+		}
+		try {
+			$result = $query->execute(array($this->user));
+		} catch (\Exception $e) {
+			$this->cacheHasItems = false;
+			return false;
+		}
+		$this->cacheHasItems = (bool)$result->fetchRow();
+		return $this->cacheHasItems;
+	}
+
+	/**
+	 * @param string|int $path
+	 * @return array
+	 */
+	function get($path) {
+		if (is_numeric($path)) {
+			$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*fscache` WHERE `id` = ?');
+		} else {
+			$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*fscache` WHERE `path` = ?');
+		}
+		$result = $query->execute(array($path));
+		return $result->fetchRow();
+	}
+
+	/**
+	 * @param int $id
+	 * @return array
+	 */
+	function getChildren($id) {
+		$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*fscache` WHERE `parent` = ?');
+		$result = $query->execute(array($id));
+		return $result->fetchAll();
+	}
+}