From e5792cc064c41c2a5bca32b886a8bc08cce2fb3f Mon Sep 17 00:00:00 2001
From: Bjoern Schiessle <schiessle@owncloud.com>
Date: Thu, 28 Jun 2012 14:06:20 +0200
Subject: [PATCH] adjust the name and/or location of the stored versions if the
 actual file gets moved or renamed

---
 apps/files_versions/appinfo/app.php |  5 +++--
 apps/files_versions/versions.php    | 25 ++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/apps/files_versions/appinfo/app.php b/apps/files_versions/appinfo/app.php
index 5a559c0c96..105c5a102c 100644
--- a/apps/files_versions/appinfo/app.php
+++ b/apps/files_versions/appinfo/app.php
@@ -9,5 +9,6 @@ OCP\Util::addscript('files_versions', 'versions');
 
 // Listen to write signals
 OCP\Util::connectHook('OC_Filesystem', 'post_write', "OCA_Versions\Storage", "write_hook");
-// Listen to delete signals
-OCP\Util::connectHook('OC_Filesystem', 'delete', "OCA_Versions\Storage", "removeVersions");
\ No newline at end of file
+// Listen to delete and rename signals
+OCP\Util::connectHook('OC_Filesystem', 'delete', "OCA_Versions\Storage", "removeVersions");
+OCP\Util::connectHook('OC_Filesystem', 'rename', "OCA_Versions\Storage", "renameVersions");
\ No newline at end of file
diff --git a/apps/files_versions/versions.php b/apps/files_versions/versions.php
index 787de0f78a..b733c57923 100644
--- a/apps/files_versions/versions.php
+++ b/apps/files_versions/versions.php
@@ -310,7 +310,11 @@ class Storage {
         }
 
         /**
-         * @brief Erase versions of deleted file
+         * @brief Erase versions of deleted file
+         * @param array
+         *          
+         * This function is connected to the delete signal of OC_Filesystem
+         * cleanup the versions directory if the actual file gets deleted
          */
         public static function removeVersions($params) {
         	$rel_path =  $params[\OC_Filesystem::signal_param_path];
@@ -322,4 +326,23 @@ class Storage {
         		}
         	}
         }
+        
+        /**
+         * @brief rename/move versions of renamed/moved files
+         * @param array with oldpath and newpath
+         * 
+         * This function is connected to the rename signal of OC_Filesystem and adjust the name and location
+         * of the stored versions along the actual file
+         */
+        public static function renameVersions($params) {
+        	$rel_oldpath =  $params['oldpath'];
+        	$abs_oldpath = \OCP\Config::getSystemValue('datadirectory').'/'.\OC_User::getUser()."/versions".$rel_oldpath.'.v';
+        	$abs_newpath = \OCP\Config::getSystemValue('datadirectory').'/'.\OC_User::getUser()."/versions".$params['newpath'].'.v';
+        	if(Storage::isversioned($rel_oldpath)) {
+        		$versions = Storage::getVersions($rel_oldpath);
+        		foreach ($versions as $v){
+        			rename($abs_oldpath.$v['version'], $abs_newpath.$v['version']);
+        		}
+        	}
+        }
 }