From 2cfc7f7454fb29e1aba1420a8d3df5cdcb8ff852 Mon Sep 17 00:00:00 2001
From: Bjoern Schiessle <schiessle@owncloud.com>
Date: Wed, 8 Aug 2012 11:47:23 +0200
Subject: [PATCH] fix for bug 879 - add parent directory to file cache if it
 does not exist yet. For example this can happen if the sync client is used
 before the user created the root directory (e.g. through web login).

---
 lib/filecache.php | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/lib/filecache.php b/lib/filecache.php
index 8d0f3c84f93..7b7a2fac3ea 100644
--- a/lib/filecache.php
+++ b/lib/filecache.php
@@ -84,19 +84,28 @@ class OC_FileCache{
 		if($root=='/'){
 			$root='';
 		}
-		$path=$root.$path;
-		$parent=self::getParentId($path);
-		$id=self::getFileId($path);
-		if(isset(OC_FileCache::$savedData[$path])){
-			$data=array_merge(OC_FileCache::$savedData[$path],$data);
-			unset(OC_FileCache::$savedData[$path]);
+		$fullpath=$root.$path;
+		$parent=self::getParentId($fullpath);
+		$id=self::getFileId($fullpath);
+		if(isset(OC_FileCache::$savedData[$fullpath])){
+			$data=array_merge(OC_FileCache::$savedData[$fullpath],$data);
+			unset(OC_FileCache::$savedData[$fullpath]);
 		}
+		
+		// add parent directory to the file cache if it does not exist yet.
+		if ($parent == -1 && $fullpath != $root) {
+			$parentDir = substr(dirname($path), 0, strrpos(dirname($path), DIRECTORY_SEPARATOR));
+			self::scanFile($parentDir);
+			$parent = self::getParentId($fullpath);
+		}
+		
 		if($id!=-1){
 			self::update($id,$data);
 			return;
 		}
+		
 		if(!isset($data['size']) or !isset($data['mtime'])){//save incomplete data for the next time we write it
-			self::$savedData[$path]=$data;
+			self::$savedData[$fullpath]=$data;
 			return;
 		}
 		if(!isset($data['encrypted'])){
@@ -113,9 +122,9 @@ class OC_FileCache{
 		$data['versioned']=(int)$data['versioned'];
 		$user=OC_User::getUser();
 		$query=OC_DB::prepare('INSERT INTO *PREFIX*fscache(parent, name, path, path_hash, size, mtime, ctime, mimetype, mimepart,`user`,writable,encrypted,versioned) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?)');
-		$result=$query->execute(array($parent,basename($path),$path,md5($path),$data['size'],$data['mtime'],$data['ctime'],$data['mimetype'],$mimePart,$user,$data['writable'],$data['encrypted'],$data['versioned']));
+		$result=$query->execute(array($parent,basename($fullpath),$fullpath,md5($fullpath),$data['size'],$data['mtime'],$data['ctime'],$data['mimetype'],$mimePart,$user,$data['writable'],$data['encrypted'],$data['versioned']));
 		if(OC_DB::isError($result)){
-			OC_Log::write('files','error while writing file('.$path.') to cache',OC_Log::ERROR);
+			OC_Log::write('files','error while writing file('.$fullpath.') to cache',OC_Log::ERROR);
 		}
 	}