Create documents directory before copying genesis

lib/db/session.php

@@ -38,9 +38,12 @@ class Db_Session extends \OCA\Documents\Db {
 	public static function start($uid, File $file){
 		list($ownerView, $path) = $file->getOwnerViewAndPath();
 		
+		// Create a directory to store genesis
+		$docView = $ownerView->initDocumentsView();
+		
 		$oldSession = new Db_Session();
 		$oldSession->loadBy('file_id', $file->getFileId());
-
+		
 		//If there is no existing session we need to start a new one
 		if (!$oldSession->hasData()){
 

lib/view.php

@@ -49,6 +49,10 @@ class View extends \OC\Files\View{
 		$newName = '/' . sha1($ownerView->file_get_contents($filePath)) . '.odt';
 
 		$ownerView->copy($filePath, self::DOCUMENTS_DIRNAME . $newName);
+		if (!$ownerView->file_exists(self::DOCUMENTS_DIRNAME . $newName)){
+			throw new \Exception('Failed to copy genesis');
+		}
+		
 		\OC_FileProxy::$enabled = $proxyStatus;
 		return $newName;
 	}