Merge branch 'master' into move-datadirectory-checks

57 files changed, 300 insertions, 401 deletions

diff --git a/apps/files_versions/ajax/expireAll.php b/apps/files_versions/ajax/expireAll.php
deleted file mode 100644
index 5c95885ffbd..00000000000
--- a/apps/files_versions/ajax/expireAll.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-
-/**
- * ownCloud - user_migrate
- *
- * @author Sam Tuke
- * @copyright 2012 Sam Tuke samtuke@owncloud.com
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-// TODO: Allow admins to expire versions of any user
-// TODO: Provide feedback as to how many versions were deleted
-
-// Check user and app status
-OCP\JSON::checkLoggedIn();
-OCP\App::checkAppEnabled('files_versions');
-OCP\JSON::callCheck();
-
-$versions = new OCA_Versions\Storage();
-
-if( $versions->expireAll() ) {
-
-	OCP\JSON::success();
-	die();
-
-} else {
-
-	OCP\JSON::error();
-	die();
-
-}
\ No newline at end of file
diff --git a/apps/files_versions/ajax/getVersions.php b/apps/files_versions/ajax/getVersions.php
index 8476e5e8a51..600e69cf798 100644
--- a/apps/files_versions/ajax/getVersions.php
+++ b/apps/files_versions/ajax/getVersions.php
@@ -4,10 +4,9 @@ OCP\JSON::checkAppEnabled('files_versions');
 $userDirectory = "/".OCP\USER::getUser()."/files";
 $source = $_GET['source'];
 
-if( OCA_Versions\Storage::isversioned( $source ) ) {
+$count = 5; //show the newest revisions
+if( ($versions = OCA_Versions\Storage::getVersions( $source, $count)) ) {
 
-	$count=5; //show the newest revisions
-	$versions = OCA_Versions\Storage::getVersions( $source, $count);
 	$versionsFormatted = array();
 
 	foreach ( $versions AS $version ) {
diff --git a/apps/files_versions/ajax/rollbackVersion.php b/apps/files_versions/ajax/rollbackVersion.php
index f1b02eb4b92..f2c211d9c1e 100644
--- a/apps/files_versions/ajax/rollbackVersion.php
+++ b/apps/files_versions/ajax/rollbackVersion.php
@@ -8,10 +8,9 @@ $userDirectory = "/".OCP\USER::getUser()."/files";
 $file = $_GET['file'];
 $revision=(int)$_GET['revision'];
 
-if( OCA_Versions\Storage::isversioned( $file ) ) {
-	if(OCA_Versions\Storage::rollback( $file, $revision )) {
-		OCP\JSON::success(array("data" => array( "revision" => $revision, "file" => $file )));
-	}else{
-		OCP\JSON::error(array("data" => array( "message" => "Could not revert:" . $file )));
-	}
+if(OCA_Versions\Storage::rollback( $file, $revision )) {
+	OCP\JSON::success(array("data" => array( "revision" => $revision, "file" => $file )));
+}else{
+	OCP\JSON::error(array("data" => array( "message" => "Could not revert:" . $file )));
 }
+
diff --git a/apps/files_versions/history.php b/apps/files_versions/history.php
index d4c278ebd85..6071240e583 100644
--- a/apps/files_versions/history.php
+++ b/apps/files_versions/history.php
@@ -28,7 +28,6 @@ $tmpl = new OCP\Template( 'files_versions', 'history', 'user' );
 if ( isset( $_GET['path'] ) ) {
 
 	$path = $_GET['path'];
-	$path = $path;
 	$tmpl->assign( 'path', $path );
 	$versions = new OCA_Versions\Storage();
 
@@ -52,10 +51,8 @@ if ( isset( $_GET['path'] ) ) {
 	}
 
 	// show the history only if there is something to show
-	if( OCA_Versions\Storage::isversioned( $path ) ) {
-
-		$count = 999; //show the newest revisions
-	        $versions = OCA_Versions\Storage::getVersions( $path, $count);
+	$count = 999; //show the newest revisions
+	if( ($versions = OCA_Versions\Storage::getVersions( $path, $count)) ) {
 
 		$tmpl->assign( 'versions', array_reverse( $versions ) );
 
diff --git a/apps/files_versions/js/settings-personal.js b/apps/files_versions/js/settings-personal.js
deleted file mode 100644
index 1e6b036fdab..00000000000
--- a/apps/files_versions/js/settings-personal.js
+++ /dev/null
@@ -1,39 +0,0 @@
-// TODO: allow the button to be clicked only once
-
-$( document ).ready(function(){
-	//
-	$( '#expireAllBtn' ).click(
-
-		function( event ) {
-
-			// Prevent page from reloading
-			event.preventDefault();
-
-			// Show loading gif
-			$('.expireAllLoading').show();
-
-			$.getJSON(
-				OC.filePath('files_versions','ajax','expireAll.php'),
-				function(result){
-					if (result.status == 'success') {
-						$('.expireAllLoading').hide();
-						$('#expireAllBtn').html('Expiration successful');
-					} else {
-
-						// Cancel loading
-						$('#expireAllBtn').html('Expiration failed');
-
-						// Show Dialog
-						OC.dialogs.alert(
-							'Something went wrong, your files may not have been expired',
-							'An error has occurred',
-							function(){
-								$('#expireAllBtn').html(t('files_versions', 'Expire all versions')+'<img style="display: none;" class="loading" src="'+OC.filePath('core','img','loading.gif')+'" />');
-							}
-						);
-					}
-				}
-			);
-		}
-	);
-});
\ No newline at end of file
diff --git a/apps/files_versions/l10n/ar.php b/apps/files_versions/l10n/ar.php
index fea7f1c7562..1f1f3100405 100644
--- a/apps/files_versions/l10n/ar.php
+++ b/apps/files_versions/l10n/ar.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "إنهاء تاريخ الإنتهاء لجميع الإصدارات",
 "History" => "السجل الزمني",
-"Versions" => "الإصدارات",
-"This will delete all existing backup versions of your files" => "هذه العملية ستقوم بإلغاء جميع إصدارات النسخ الاحتياطي للملفات",
 "Files Versioning" => "أصدرة الملفات",
 "Enable" => "تفعيل"
 );
diff --git a/apps/files_versions/l10n/bg_BG.php b/apps/files_versions/l10n/bg_BG.php
index 98b5f4113ae..6ecf12d0b00 100644
--- a/apps/files_versions/l10n/bg_BG.php
+++ b/apps/files_versions/l10n/bg_BG.php
@@ -1,6 +1,4 @@
 <?php $TRANSLATIONS = array(
 "History" => "История",
-"Versions" => "Версии",
-"This will delete all existing backup versions of your files" => "Това действие ще изтрие всички налични архивни версии на Вашите файлове",
 "Enable" => "Включено"
 );
diff --git a/apps/files_versions/l10n/bn_BD.php b/apps/files_versions/l10n/bn_BD.php
index 88349342fa9..dffa4d79a06 100644
--- a/apps/files_versions/l10n/bn_BD.php
+++ b/apps/files_versions/l10n/bn_BD.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "সমস্ত ভার্সন মেয়াদোত্তীর্ণ",
 "History" => "ইতিহাস",
-"Versions" => "ভার্সন",
-"This will delete all existing backup versions of your files" => "এটি আপনার বিদ্যমান  ফাইলের সমস্ত ব্যাক-আপ ভার্সন মুছে ফেলবে।",
 "Files Versioning" => "ফাইল ভার্সন করা",
 "Enable" => "সক্রিয় "
 );
diff --git a/apps/files_versions/l10n/ca.php b/apps/files_versions/l10n/ca.php
index 0076d02992f..01e0a116873 100644
--- a/apps/files_versions/l10n/ca.php
+++ b/apps/files_versions/l10n/ca.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Expira totes les versions",
 "History" => "Historial",
-"Versions" => "Versions",
-"This will delete all existing backup versions of your files" => "Això eliminarà totes les versions de còpia de seguretat dels vostres fitxers",
 "Files Versioning" => "Fitxers de Versions",
 "Enable" => "Habilita"
 );
diff --git a/apps/files_versions/l10n/cs_CZ.php b/apps/files_versions/l10n/cs_CZ.php
index 3995334d9ee..d219c3e68da 100644
--- a/apps/files_versions/l10n/cs_CZ.php
+++ b/apps/files_versions/l10n/cs_CZ.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Vypršet všechny verze",
 "History" => "Historie",
-"Versions" => "Verze",
-"This will delete all existing backup versions of your files" => "Odstraní všechny existující zálohované verze Vašich souborů",
 "Files Versioning" => "Verzování souborů",
 "Enable" => "Povolit"
 );
diff --git a/apps/files_versions/l10n/da.php b/apps/files_versions/l10n/da.php
index bc02b47f2ad..98579747643 100644
--- a/apps/files_versions/l10n/da.php
+++ b/apps/files_versions/l10n/da.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Lad alle versioner udløbe",
 "History" => "Historik",
-"Versions" => "Versioner",
-"This will delete all existing backup versions of your files" => "Dette vil slette alle eksisterende backupversioner af dine filer",
 "Files Versioning" => "Versionering af filer",
 "Enable" => "Aktiver"
 );
diff --git a/apps/files_versions/l10n/de.php b/apps/files_versions/l10n/de.php
index 092bbfbff70..2fcb996de7b 100644
--- a/apps/files_versions/l10n/de.php
+++ b/apps/files_versions/l10n/de.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Alle Versionen löschen",
 "History" => "Historie",
-"Versions" => "Versionen",
-"This will delete all existing backup versions of your files" => "Dies löscht alle vorhandenen Sicherungsversionen Deiner Dateien.",
 "Files Versioning" => "Dateiversionierung",
 "Enable" => "Aktivieren"
 );
diff --git a/apps/files_versions/l10n/de_DE.php b/apps/files_versions/l10n/de_DE.php
index a568112d02d..2fcb996de7b 100644
--- a/apps/files_versions/l10n/de_DE.php
+++ b/apps/files_versions/l10n/de_DE.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Alle Versionen löschen",
 "History" => "Historie",
-"Versions" => "Versionen",
-"This will delete all existing backup versions of your files" => "Dies löscht alle vorhandenen Sicherungsversionen Ihrer Dateien.",
 "Files Versioning" => "Dateiversionierung",
 "Enable" => "Aktivieren"
 );
diff --git a/apps/files_versions/l10n/el.php b/apps/files_versions/l10n/el.php
index f6b9a5b2998..6b189c2cdd3 100644
--- a/apps/files_versions/l10n/el.php
+++ b/apps/files_versions/l10n/el.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Λήξη όλων των εκδόσεων",
 "History" => "Ιστορικό",
-"Versions" => "Εκδόσεις",
-"This will delete all existing backup versions of your files" => "Αυτό θα διαγράψει όλες τις υπάρχουσες εκδόσεις των αντιγράφων ασφαλείας των αρχείων σας",
 "Files Versioning" => "Εκδόσεις Αρχείων",
 "Enable" => "Ενεργοποίηση"
 );
diff --git a/apps/files_versions/l10n/eo.php b/apps/files_versions/l10n/eo.php
index 0c3835373ef..87b314655c0 100644
--- a/apps/files_versions/l10n/eo.php
+++ b/apps/files_versions/l10n/eo.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Eksvalidigi ĉiujn eldonojn",
 "History" => "Historio",
-"Versions" => "Eldonoj",
-"This will delete all existing backup versions of your files" => "Ĉi tio forigos ĉiujn estantajn sekurkopiajn eldonojn de viaj dosieroj",
 "Files Versioning" => "Dosiereldonigo",
 "Enable" => "Kapabligi"
 );
diff --git a/apps/files_versions/l10n/es.php b/apps/files_versions/l10n/es.php
index f6b63df7c2b..4a8c34e5180 100644
--- a/apps/files_versions/l10n/es.php
+++ b/apps/files_versions/l10n/es.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Expirar todas las versiones",
 "History" => "Historial",
-"Versions" => "Versiones",
-"This will delete all existing backup versions of your files" => "Esto eliminará todas las versiones guardadas como copia de seguridad de tus archivos",
 "Files Versioning" => "Versionado de archivos",
 "Enable" => "Habilitar"
 );
diff --git a/apps/files_versions/l10n/es_AR.php b/apps/files_versions/l10n/es_AR.php
index a78264de03f..74d8907fc35 100644
--- a/apps/files_versions/l10n/es_AR.php
+++ b/apps/files_versions/l10n/es_AR.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Expirar todas las versiones",
 "History" => "Historia",
-"Versions" => "Versiones",
-"This will delete all existing backup versions of your files" => "Hacer estom borrará todas las versiones guardadas como copia de seguridad de tus archivos",
 "Files Versioning" => "Versionado de archivos",
 "Enable" => "Activar"
 );
diff --git a/apps/files_versions/l10n/et_EE.php b/apps/files_versions/l10n/et_EE.php
index f1296f23fcd..ff119d5374e 100644
--- a/apps/files_versions/l10n/et_EE.php
+++ b/apps/files_versions/l10n/et_EE.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Kõikide versioonide aegumine",
 "History" => "Ajalugu",
-"Versions" => "Versioonid",
-"This will delete all existing backup versions of your files" => "See kustutab kõik sinu failidest tehtud varuversiooni",
 "Files Versioning" => "Failide versioonihaldus",
 "Enable" => "Luba"
 );
diff --git a/apps/files_versions/l10n/eu.php b/apps/files_versions/l10n/eu.php
index d84d9011707..c6b4cd7692d 100644
--- a/apps/files_versions/l10n/eu.php
+++ b/apps/files_versions/l10n/eu.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Iraungi bertsio guztiak",
 "History" => "Historia",
-"Versions" => "Bertsioak",
-"This will delete all existing backup versions of your files" => "Honek zure fitxategien bertsio guztiak ezabatuko ditu",
 "Files Versioning" => "Fitxategien Bertsioak",
 "Enable" => "Gaitu"
 );
diff --git a/apps/files_versions/l10n/fi_FI.php b/apps/files_versions/l10n/fi_FI.php
index 3cec4c04bfe..bdce8e9fe52 100644
--- a/apps/files_versions/l10n/fi_FI.php
+++ b/apps/files_versions/l10n/fi_FI.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Vanhenna kaikki versiot",
 "History" => "Historia",
-"Versions" => "Versiot",
-"This will delete all existing backup versions of your files" => "Tämä poistaa kaikki tiedostojesi olemassa olevat varmuuskopioversiot",
 "Files Versioning" => "Tiedostojen versiointi",
 "Enable" => "Käytä"
 );
diff --git a/apps/files_versions/l10n/fr.php b/apps/files_versions/l10n/fr.php
index e6dbc274456..2d26b98860a 100644
--- a/apps/files_versions/l10n/fr.php
+++ b/apps/files_versions/l10n/fr.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Supprimer les versions intermédiaires",
 "History" => "Historique",
-"Versions" => "Versions",
-"This will delete all existing backup versions of your files" => "Cette opération va effacer toutes les versions intermédiaires de vos fichiers (et ne garder que la dernière version en date).",
 "Files Versioning" => "Versionnage des fichiers",
 "Enable" => "Activer"
 );
diff --git a/apps/files_versions/l10n/gl.php b/apps/files_versions/l10n/gl.php
index f10c1e16263..7e44b8898bf 100644
--- a/apps/files_versions/l10n/gl.php
+++ b/apps/files_versions/l10n/gl.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Caducan todas as versións",
 "History" => "Historial",
-"Versions" => "Versións",
-"This will delete all existing backup versions of your files" => "Isto eliminará todas as copias de seguranza que haxa dos seus ficheiros",
 "Files Versioning" => "Sistema de versión de ficheiros",
 "Enable" => "Activar"
 );
diff --git a/apps/files_versions/l10n/he.php b/apps/files_versions/l10n/he.php
index 061e88b0dbf..9eb4df64857 100644
--- a/apps/files_versions/l10n/he.php
+++ b/apps/files_versions/l10n/he.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "הפגת תוקף כל הגרסאות",
 "History" => "היסטוריה",
-"Versions" => "גרסאות",
-"This will delete all existing backup versions of your files" => "פעולה זו תמחק את כל גיבויי הגרסאות הקיימים של הקבצים שלך",
 "Files Versioning" => "שמירת הבדלי גרסאות של קבצים",
 "Enable" => "הפעלה"
 );
diff --git a/apps/files_versions/l10n/hu_HU.php b/apps/files_versions/l10n/hu_HU.php
index 1575eda3f35..95d37ad06ed 100644
--- a/apps/files_versions/l10n/hu_HU.php
+++ b/apps/files_versions/l10n/hu_HU.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Az összes korábbi változat törlése",
 "History" => "Korábbi változatok",
-"Versions" => "Az állományok korábbi változatai",
-"This will delete all existing backup versions of your files" => "Itt törölni tudja állományainak összes korábbi verzióját",
 "Files Versioning" => "Az állományok verzionálása",
 "Enable" => "engedélyezve"
 );
diff --git a/apps/files_versions/l10n/id.php b/apps/files_versions/l10n/id.php
index d8ac66c9763..6c553327c42 100644
--- a/apps/files_versions/l10n/id.php
+++ b/apps/files_versions/l10n/id.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "kadaluarsakan semua versi",
 "History" => "riwayat",
-"Versions" => "versi",
-"This will delete all existing backup versions of your files" => "ini akan menghapus semua versi backup yang ada dari file anda",
 "Files Versioning" => "pembuatan versi file",
 "Enable" => "aktifkan"
 );
diff --git a/apps/files_versions/l10n/is.php b/apps/files_versions/l10n/is.php
index f63939d3af9..ccb8287b71e 100644
--- a/apps/files_versions/l10n/is.php
+++ b/apps/files_versions/l10n/is.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Úrelda allar útgáfur",
 "History" => "Saga",
-"Versions" => "Útgáfur",
-"This will delete all existing backup versions of your files" => "Þetta mun eyða öllum afritum af skránum þínum",
 "Files Versioning" => "Útgáfur af skrám",
 "Enable" => "Virkja"
 );
diff --git a/apps/files_versions/l10n/it.php b/apps/files_versions/l10n/it.php
index 0b1e70823d5..c57b0930111 100644
--- a/apps/files_versions/l10n/it.php
+++ b/apps/files_versions/l10n/it.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Scadenza di tutte le versioni",
 "History" => "Cronologia",
-"Versions" => "Versioni",
-"This will delete all existing backup versions of your files" => "Ciò eliminerà tutte le versioni esistenti dei tuoi file",
 "Files Versioning" => "Controllo di versione dei file",
 "Enable" => "Abilita"
 );
diff --git a/apps/files_versions/l10n/ja_JP.php b/apps/files_versions/l10n/ja_JP.php
index 367152c0743..c97ba3d00ee 100644
--- a/apps/files_versions/l10n/ja_JP.php
+++ b/apps/files_versions/l10n/ja_JP.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "すべてのバージョンを削除する",
 "History" => "履歴",
-"Versions" => "バージョン",
-"This will delete all existing backup versions of your files" => "これは、あなたのファイルのすべてのバックアップバージョンを削除します",
 "Files Versioning" => "ファイルのバージョン管理",
 "Enable" => "有効化"
 );
diff --git a/apps/files_versions/l10n/ko.php b/apps/files_versions/l10n/ko.php
index 688babb1121..f40925e1be2 100644
--- a/apps/files_versions/l10n/ko.php
+++ b/apps/files_versions/l10n/ko.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "모든 버전 삭제",
 "History" => "역사",
-"Versions" => "버전",
-"This will delete all existing backup versions of your files" => "이 파일의 모든 백업 버전을 삭제합니다",
 "Files Versioning" => "파일 버전 관리",
 "Enable" => "사용함"
 );
diff --git a/apps/files_versions/l10n/ku_IQ.php b/apps/files_versions/l10n/ku_IQ.php
index 5fa3b9080d7..db5dbad49fc 100644
--- a/apps/files_versions/l10n/ku_IQ.php
+++ b/apps/files_versions/l10n/ku_IQ.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "وه‌شانه‌کان گشتیان به‌سه‌رده‌چن",
 "History" => "مێژوو",
-"Versions" => "وه‌شان",
-"This will delete all existing backup versions of your files" => "ئه‌مه‌ سه‌رجه‌م پاڵپشتی وه‌شانه‌ هه‌بووه‌کانی په‌ڕگه‌کانت ده‌سڕینته‌وه",
 "Files Versioning" => "وه‌شانی په‌ڕگه",
 "Enable" => "چالاککردن"
 );
diff --git a/apps/files_versions/l10n/lt_LT.php b/apps/files_versions/l10n/lt_LT.php
index 3250ddc7c3c..adf4893020e 100644
--- a/apps/files_versions/l10n/lt_LT.php
+++ b/apps/files_versions/l10n/lt_LT.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Panaikinti visų versijų galiojimą",
 "History" => "Istorija",
-"Versions" => "Versijos",
-"This will delete all existing backup versions of your files" => "Tai ištrins visas esamas failo versijas",
 "Files Versioning" => "Failų versijos",
 "Enable" => "Įjungti"
 );
diff --git a/apps/files_versions/l10n/mk.php b/apps/files_versions/l10n/mk.php
index 60a06ad3384..d3ec233fe41 100644
--- a/apps/files_versions/l10n/mk.php
+++ b/apps/files_versions/l10n/mk.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Истечи ги сите верзии",
 "History" => "Историја",
-"Versions" => "Версии",
-"This will delete all existing backup versions of your files" => "Ова ќе ги избрише сите постоечки резервни копии од вашите датотеки",
 "Files Versioning" => "Верзии на датотеки",
 "Enable" => "Овозможи"
 );
diff --git a/apps/files_versions/l10n/nb_NO.php b/apps/files_versions/l10n/nb_NO.php
index b441008db01..18c72506102 100644
--- a/apps/files_versions/l10n/nb_NO.php
+++ b/apps/files_versions/l10n/nb_NO.php
@@ -1,7 +1,5 @@
 <?php $TRANSLATIONS = array(
 "History" => "Historie",
-"Versions" => "Versjoner",
-"This will delete all existing backup versions of your files" => "Dette vil slette alle tidligere versjoner av alle filene dine",
 "Files Versioning" => "Fil versjonering",
 "Enable" => "Aktiver"
 );
diff --git a/apps/files_versions/l10n/nl.php b/apps/files_versions/l10n/nl.php
index f9b5507621d..cd147ca693f 100644
--- a/apps/files_versions/l10n/nl.php
+++ b/apps/files_versions/l10n/nl.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Alle versies laten verlopen",
 "History" => "Geschiedenis",
-"Versions" => "Versies",
-"This will delete all existing backup versions of your files" => "Dit zal alle bestaande backup versies van uw bestanden verwijderen",
 "Files Versioning" => "Bestand versies",
 "Enable" => "Activeer"
 );
diff --git a/apps/files_versions/l10n/pl.php b/apps/files_versions/l10n/pl.php
index 46c28d4590a..a0247b8abc6 100644
--- a/apps/files_versions/l10n/pl.php
+++ b/apps/files_versions/l10n/pl.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Wygasają wszystkie wersje",
 "History" => "Historia",
-"Versions" => "Wersje",
-"This will delete all existing backup versions of your files" => "Spowoduje to usunięcie wszystkich istniejących wersji kopii zapasowych plików",
 "Files Versioning" => "Wersjonowanie plików",
 "Enable" => "Włącz"
 );
diff --git a/apps/files_versions/l10n/pt_BR.php b/apps/files_versions/l10n/pt_BR.php
index 3d39a533d65..854a30e6bee 100644
--- a/apps/files_versions/l10n/pt_BR.php
+++ b/apps/files_versions/l10n/pt_BR.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Expirar todas as versões",
 "History" => "Histórico",
-"Versions" => "Versões",
-"This will delete all existing backup versions of your files" => "Isso removerá todas as versões de backup existentes dos seus arquivos",
 "Files Versioning" => "Versionamento de Arquivos",
 "Enable" => "Habilitar"
 );
diff --git a/apps/files_versions/l10n/pt_PT.php b/apps/files_versions/l10n/pt_PT.php
index 2ddf70cc6c5..dc1bde08cad 100644
--- a/apps/files_versions/l10n/pt_PT.php
+++ b/apps/files_versions/l10n/pt_PT.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Expirar todas as versões",
 "History" => "Histórico",
-"Versions" => "Versões",
-"This will delete all existing backup versions of your files" => "Isto irá apagar todas as versões de backup do seus ficheiros",
 "Files Versioning" => "Versionamento de Ficheiros",
 "Enable" => "Activar"
 );
diff --git a/apps/files_versions/l10n/ro.php b/apps/files_versions/l10n/ro.php
index e23e771e392..7dfaee3672b 100644
--- a/apps/files_versions/l10n/ro.php
+++ b/apps/files_versions/l10n/ro.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Expiră toate versiunile",
 "History" => "Istoric",
-"Versions" => "Versiuni",
-"This will delete all existing backup versions of your files" => "Această acțiune va șterge toate versiunile salvate ale fișierelor tale",
 "Files Versioning" => "Versionare fișiere",
 "Enable" => "Activare"
 );
diff --git a/apps/files_versions/l10n/ru.php b/apps/files_versions/l10n/ru.php
index d698e90b8b8..4c7fb501091 100644
--- a/apps/files_versions/l10n/ru.php
+++ b/apps/files_versions/l10n/ru.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Просрочить все версии",
 "History" => "История",
-"Versions" => "Версии",
-"This will delete all existing backup versions of your files" => "Очистить список версий ваших файлов",
 "Files Versioning" => "Версии файлов",
 "Enable" => "Включить"
 );
diff --git a/apps/files_versions/l10n/ru_RU.php b/apps/files_versions/l10n/ru_RU.php
index 557c2f8e6d1..8656e346eb6 100644
--- a/apps/files_versions/l10n/ru_RU.php
+++ b/apps/files_versions/l10n/ru_RU.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Срок действия всех версий истекает",
 "History" => "История",
-"Versions" => "Версии",
-"This will delete all existing backup versions of your files" => "Это приведет к удалению всех существующих версий резервной копии Ваших файлов",
 "Files Versioning" => "Файлы управления версиями",
 "Enable" => "Включить"
 );
diff --git a/apps/files_versions/l10n/si_LK.php b/apps/files_versions/l10n/si_LK.php
index dbddf6dc2e9..37debf869bc 100644
--- a/apps/files_versions/l10n/si_LK.php
+++ b/apps/files_versions/l10n/si_LK.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "සියලු අනුවාද අවලංගු කරන්න",
 "History" => "ඉතිහාසය",
-"Versions" => "අනුවාද",
-"This will delete all existing backup versions of your files" => "මෙයින් ඔබගේ ගොනුවේ රක්ශිත කරනු ලැබු අනුවාද සියල්ල මකා දමනු ලැබේ",
 "Files Versioning" => "ගොනු අනුවාදයන්",
 "Enable" => "සක්‍රිය කරන්න"
 );
diff --git a/apps/files_versions/l10n/sk_SK.php b/apps/files_versions/l10n/sk_SK.php
index 132c6c09682..a3a3567cb4f 100644
--- a/apps/files_versions/l10n/sk_SK.php
+++ b/apps/files_versions/l10n/sk_SK.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Expirovať všetky verzie",
 "History" => "História",
-"Versions" => "Verzie",
-"This will delete all existing backup versions of your files" => "Budú zmazané všetky zálohované verzie vašich súborov",
 "Files Versioning" => "Vytváranie verzií súborov",
 "Enable" => "Zapnúť"
 );
diff --git a/apps/files_versions/l10n/sl.php b/apps/files_versions/l10n/sl.php
index 22b890a042d..7f386c9edaa 100644
--- a/apps/files_versions/l10n/sl.php
+++ b/apps/files_versions/l10n/sl.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Zastaraj vse različice",
 "History" => "Zgodovina",
-"Versions" => "Različice",
-"This will delete all existing backup versions of your files" => "S tem bodo izbrisane vse obstoječe različice varnostnih kopij vaših datotek",
 "Files Versioning" => "Sledenje različicam",
 "Enable" => "Omogoči"
 );
diff --git a/apps/files_versions/l10n/sv.php b/apps/files_versions/l10n/sv.php
index e36164e30ab..6788d1fb0f9 100644
--- a/apps/files_versions/l10n/sv.php
+++ b/apps/files_versions/l10n/sv.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Upphör alla versioner",
 "History" => "Historik",
-"Versions" => "Versioner",
-"This will delete all existing backup versions of your files" => "Detta kommer att radera alla befintliga säkerhetskopior av dina filer",
 "Files Versioning" => "Versionshantering av filer",
 "Enable" => "Aktivera"
 );
diff --git a/apps/files_versions/l10n/ta_LK.php b/apps/files_versions/l10n/ta_LK.php
index f1215b3ecc1..aca76dcc262 100644
--- a/apps/files_versions/l10n/ta_LK.php
+++ b/apps/files_versions/l10n/ta_LK.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "எல்லா பதிப்புகளும் காலாவதியாகிவிட்டது",
 "History" => "வரலாறு",
-"Versions" => "பதிப்புகள்",
-"This will delete all existing backup versions of your files" => "உங்களுடைய கோப்புக்களில் ஏற்கனவே உள்ள ஆதாரநகல்களின் பதிப்புக்களை இவை அழித்துவிடும்",
 "Files Versioning" => "கோப்பு பதிப்புகள்",
 "Enable" => "இயலுமைப்படுத்துக"
 );
diff --git a/apps/files_versions/l10n/th_TH.php b/apps/files_versions/l10n/th_TH.php
index 89b9f626911..e1e996903ae 100644
--- a/apps/files_versions/l10n/th_TH.php
+++ b/apps/files_versions/l10n/th_TH.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "หมดอายุทุกรุ่น",
 "History" => "ประวัติ",
-"Versions" => "รุ่น",
-"This will delete all existing backup versions of your files" => "นี่จะเป็นลบทิ้งไฟล์รุ่นที่ทำการสำรองข้อมูลทั้งหมดที่มีอยู่ของคุณทิ้งไป",
 "Files Versioning" => "การกำหนดเวอร์ชั่นของไฟล์",
 "Enable" => "เปิดใช้งาน"
 );
diff --git a/apps/files_versions/l10n/tr.php b/apps/files_versions/l10n/tr.php
index 73f207d5024..e9a4c4702e1 100644
--- a/apps/files_versions/l10n/tr.php
+++ b/apps/files_versions/l10n/tr.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Tüm sürümleri sona erdir",
 "History" => "Geçmiş",
-"Versions" => "Sürümler",
-"This will delete all existing backup versions of your files" => "Bu dosyalarınızın tüm yedek sürümlerini silecektir",
 "Files Versioning" => "Dosya Sürümleri",
 "Enable" => "Etkinleştir"
 );
diff --git a/apps/files_versions/l10n/uk.php b/apps/files_versions/l10n/uk.php
index 7532f755c88..49acda81079 100644
--- a/apps/files_versions/l10n/uk.php
+++ b/apps/files_versions/l10n/uk.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Термін дії всіх версій",
 "History" => "Історія",
-"Versions" => "Версії",
-"This will delete all existing backup versions of your files" => "Це призведе до знищення всіх існуючих збережених версій Ваших файлів",
 "Files Versioning" => "Версії файлів",
 "Enable" => "Включити"
 );
diff --git a/apps/files_versions/l10n/vi.php b/apps/files_versions/l10n/vi.php
index 260c3b6b39c..bb7163f6b18 100644
--- a/apps/files_versions/l10n/vi.php
+++ b/apps/files_versions/l10n/vi.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "Hết hạn tất cả các phiên bản",
 "History" => "Lịch sử",
-"Versions" => "Phiên bản",
-"This will delete all existing backup versions of your files" => "Khi bạn thực hiện thao tác này sẽ xóa tất cả các phiên bản sao lưu hiện có ",
 "Files Versioning" => "Phiên bản tập tin",
 "Enable" => "Bật "
 );
diff --git a/apps/files_versions/l10n/zh_CN.GB2312.php b/apps/files_versions/l10n/zh_CN.GB2312.php
index 107805221b8..d9e788033aa 100644
--- a/apps/files_versions/l10n/zh_CN.GB2312.php
+++ b/apps/files_versions/l10n/zh_CN.GB2312.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "作废所有版本",
 "History" => "历史",
-"Versions" => "版本",
-"This will delete all existing backup versions of your files" => "这将删除所有您现有文件的备份版本",
 "Files Versioning" => "文件版本",
 "Enable" => "启用"
 );
diff --git a/apps/files_versions/l10n/zh_CN.php b/apps/files_versions/l10n/zh_CN.php
index 48e7157c98f..14301ff0c04 100644
--- a/apps/files_versions/l10n/zh_CN.php
+++ b/apps/files_versions/l10n/zh_CN.php
@@ -1,8 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "过期所有版本",
 "History" => "历史",
-"Versions" => "版本",
-"This will delete all existing backup versions of your files" => "将会删除您的文件的所有备份版本",
 "Files Versioning" => "文件版本",
 "Enable" => "开启"
 );
diff --git a/apps/files_versions/l10n/zh_TW.php b/apps/files_versions/l10n/zh_TW.php
index a21fdc85f8d..a7b496b37db 100644
--- a/apps/files_versions/l10n/zh_TW.php
+++ b/apps/files_versions/l10n/zh_TW.php
@@ -1,7 +1,5 @@
 <?php $TRANSLATIONS = array(
-"Expire all versions" => "所有逾期的版本",
 "History" => "歷史",
-"Versions" => "版本",
 "Files Versioning" => "檔案版本化中...",
 "Enable" => "啟用"
 );
diff --git a/apps/files_versions/lib/hooks.php b/apps/files_versions/lib/hooks.php
index e897a81f7af..5fb9dc3c3c5 100644
--- a/apps/files_versions/lib/hooks.php
+++ b/apps/files_versions/lib/hooks.php
@@ -39,15 +39,15 @@ class Hooks {
 	 * cleanup the versions directory if the actual file gets deleted
 	 */
 	public static function remove_hook($params) {
-		$versions_fileview = \OCP\Files::getStorage('files_versions');
-		$rel_path =  $params['path'];
-		$abs_path = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('').$rel_path.'.v';
-		if(Storage::isversioned($rel_path)) {
-			$versions = Storage::getVersions($rel_path);
-			foreach ($versions as $v) {
-				unlink($abs_path . $v['version']);
-			}
-		}
+		if(\OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true') {

+		

+			$versions = new Storage( new \OC_FilesystemView('') );

+		

+			$path = $params[\OC_Filesystem::signal_param_path];

+		

+			if($path<>'') $versions->delete( $path );

+		

+		}

 	}
 
 	/**
@@ -58,18 +58,16 @@ class Hooks {
 	 * of the stored versions along the actual file
 	 */
 	public static function rename_hook($params) {
-		$versions_fileview = \OCP\Files::getStorage('files_versions');
-		$rel_oldpath =  $params['oldpath'];
-		$abs_oldpath = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('').$rel_oldpath.'.v';
-		$abs_newpath = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('').$params['newpath'].'.v';
-		if(Storage::isversioned($rel_oldpath)) {
-			$info=pathinfo($abs_newpath);
-			if(!file_exists($info['dirname'])) mkdir($info['dirname'], 0750, true);
-			$versions = Storage::getVersions($rel_oldpath);
-			foreach ($versions as $v) {
-				rename($abs_oldpath.$v['version'], $abs_newpath.$v['version']);
-			}
+		if(\OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true') {

+		

+			$versions = new Storage( new \OC_FilesystemView('') );

+		

+			$oldpath = $params['oldpath'];
+			$newpath = $params['newpath'];

+		

+			if($oldpath<>'' && $newpath<>'') $versions->rename( $oldpath, $newpath );

+		

 		}
 	}
-
+	
 }
diff --git a/apps/files_versions/lib/versions.php b/apps/files_versions/lib/versions.php
index 0ccaaf1095d..48be5e223ac 100644
--- a/apps/files_versions/lib/versions.php
+++ b/apps/files_versions/lib/versions.php
@@ -1,6 +1,7 @@
 <?php
 /**
  * Copyright (c) 2012 Frank Karlitschek <frank@owncloud.org>
+ *               2013 Bjoern Schiessle <schiessle@owncloud.com>
  * This file is licensed under the Affero General Public License version 3 or
  * later.
  * See the COPYING-README file.
@@ -16,24 +17,23 @@ namespace OCA_Versions;
 
 class Storage {
 
-
-	// config.php configuration:
-	//   - files_versions
-	//   - files_versionsfolder
-	//   - files_versionsblacklist
-	//   - files_versionsmaxfilesize
-	//   - files_versionsinterval
-	//   - files_versionmaxversions
-	//
-	// todo:
-	//   - finish porting to OC_FilesystemView to enable network transparency
-	//   - add transparent compression. first test if it´s worth it.
-
 	const DEFAULTENABLED=true;
-	const DEFAULTBLACKLIST='avi mp3 mpg mp4 ctmp';
-	const DEFAULTMAXFILESIZE=1048576; // 10MB
-	const DEFAULTMININTERVAL=60; // 1 min
-	const DEFAULTMAXVERSIONS=50;
+	const DEFAULTMAXSIZE=50; // unit: percentage; 50% of available disk space/quota
+	
+	private static $max_versions_per_interval = array(
+														1 => array('intervalEndsAfter' => 10,     //first 10sec, one version every 2sec
+																	'step' => 2),
+														2 => array('intervalEndsAfter' => 60,     //next minute, one version every 10sec

+																	'step' => 10),
+														3 => array('intervalEndsAfter' => 3600,     //next hour, one version every minute
+																	'step' => 60),
+														4 => array('intervalEndsAfter' => 86400,   //next 24h, one version every hour
+																	'step' => 3600),
+														5 => array('intervalEndsAfter' => 2592000,   //next 30days, one version per day

+																	'step' => 86400),
+														6 => array('intervalEndsAfter' => -1,      //until the end one version per week

+																	'step' => 604800),
+			);	
 
 	private static function getUidAndFilename($filename)
 	{
@@ -72,56 +72,78 @@ class Storage {
 				return false;
 			}
 
-			// check filetype blacklist
-			$blacklist=explode(' ', \OCP\Config::getSystemValue('files_versionsblacklist', Storage::DEFAULTBLACKLIST));
-			foreach($blacklist as $bl) {
-				$parts=explode('.', $filename);
-				$ext=end($parts);
-				if(strtolower($ext)==$bl) {
-					return false;
-				}
-			}
 			// we should have a source file to work with
 			if (!$files_view->file_exists($filename)) {
 				return false;
 			}
 
-			// check filesize
-			if($files_view->filesize($filename)>\OCP\Config::getSystemValue('files_versionsmaxfilesize', Storage::DEFAULTMAXFILESIZE)) {
-				return false;
-			}
-
-
-			// check mininterval if the file is being modified by the owner (all shared files should be versioned despite mininterval)
-			if ($uid == \OCP\User::getUser()) {
-				$versions_fileview = new \OC_FilesystemView('/'.$uid.'/files_versions');
-				$versionsName=\OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath($filename);
-				$versionsFolderName=\OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('');
-				$matches=glob($versionsName.'.v*');
-				sort($matches);
-				$parts=explode('.v', end($matches));
-				if((end($parts)+Storage::DEFAULTMININTERVAL)>time()) {
-					return false;
-				}
-			}
-
-
 			// create all parent folders
 			$info=pathinfo($filename);
+			$versionsFolderName=\OCP\Config::getSystemValue('datadirectory').$users_view->getAbsolutePath('files_versions/');
 			if(!file_exists($versionsFolderName.'/'.$info['dirname'])) {
 				mkdir($versionsFolderName.'/'.$info['dirname'], 0750, true);
 			}
 
 			// store a new version of a file
-			$users_view->copy('files'.$filename, 'files_versions'.$filename.'.v'.time());
-
+			$result = $users_view->copy('files'.$filename, 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename));
+			if (  ($versionsSize = \OCP\Config::getAppValue('files_versions', 'size')) === null ) {

+				$versionsSize = self::calculateSize($uid);

+			}
+			$versionsSize += $users_view->filesize('files'.$filename);
+			
 			// expire old revisions if necessary
-			Storage::expire($filename);
+			$newSize = self::expire($filename, $versionsSize);
+			
+			if ( $newSize != $versionsSize )  {
+				\OCP\Config::setAppValue('files_versions', 'size', $versionsSize);
+			}
 		}
 	}
 
 
 	/**
+	 * Delete versions of a file
+	 */
+	public static function delete($filename) {
+		list($uid, $filename) = self::getUidAndFilename($filename);

+		$versions_fileview = new \OC_FilesystemView('/'.$uid .'/files_versions');
+		

+		$abs_path = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('').$filename.'.v';

+		if( ($versions = self::getVersions($filename)) ) {

+			if (  ($versionsSize = \OCP\Config::getAppValue('files_versions', 'size')) === null ) {

+				$versionsSize = self::calculateSize($uid);

+			}

+			foreach ($versions as $v) {

+				unlink($abs_path . $v['version']);

+				$versionsSize -= $v['size'];

+			}

+			\OCP\Config::setAppValue('files_versions', 'size', $versionsSize);

+		}
+	}
+	
+	/**

+	 * rename versions of a file

+	 */

+	public static function rename($oldpath, $newpath) {

+		list($uid, $oldpath) = self::getUidAndFilename($oldpath);
+		list($uidn, $newpath) = self::getUidAndFilename($newpath);

+		$versions_view = new \OC_FilesystemView('/'.$uid .'/files_versions');
+		$files_view = new \OC_FilesystemView('/'.$uid .'/files');
+		$abs_newpath = \OCP\Config::getSystemValue('datadirectory').$versions_view->getAbsolutePath('').$newpath;

+		

+		if ( $files_view->is_dir($oldpath) && $versions_view->is_dir($oldpath) ) {
+			$versions_view->rename($oldpath, $newpath);
+		} else 	if ( ($versions = Storage::getVersions($oldpath)) ) {

+			$info=pathinfo($abs_newpath);

+			if(!file_exists($info['dirname'])) mkdir($info['dirname'], 0750, true);

+			$versions = Storage::getVersions($oldpath);

+			foreach ($versions as $v) {
+				$versions_view->rename($oldpath.'.v'.$v['version'], $newpath.'.v'.$v['version']);

+			}

+		}

+	}
+	
+	/**
 	 * rollback to an old version of a file.
 	 */
 	public static function rollback($filename, $revision) {
@@ -129,45 +151,29 @@ class Storage {
 		if(\OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true') {
 			list($uid, $filename) = self::getUidAndFilename($filename);
 			$users_view = new \OC_FilesystemView('/'.$uid);
-
+			$versionCreated = false;
+			
+			//first create a new version
+			$version = 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename);
+			if ( !$users_view->file_exists($version)) {
+				$users_view->copy('files'.$filename, 'files_versions'.$filename.'.v'.$users_view->filemtime('files'.$filename));
+				$versionCreated = true;
+			}
+			
 			// rollback
 			if( @$users_view->copy('files_versions'.$filename.'.v'.$revision, 'files'.$filename) ) {
-
+				$users_view->touch('files'.$filename, $revision);
+				Storage::expire($filename);
 				return true;
 
-			}else{
-
-				return false;
-
+			}else if ( $versionCreated ) {
+				$users_view->unlink($version);
 			}
-
 		}
+		return false;
 
 	}
 
-	/**
-	 * check if old versions of a file exist.
-	 */
-	public static function isversioned($filename) {
-		if(\OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true') {
-			list($uid, $filename) = self::getUidAndFilename($filename);
-			$versions_fileview = new \OC_FilesystemView('/'.$uid.'/files_versions');
-
-			$versionsName=\OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath($filename);
-
-			// check for old versions
-			$matches=glob($versionsName.'.v*');
-			if(count($matches)>0) {
-				return true;
-			}else{
-				return false;
-			}
-		}else{
-			return(false);
-		}
-	}
-
-
 
 	/**
 	 * @brief get a list of all available versions of a file in descending chronological order
@@ -187,92 +193,232 @@ class Storage {
 
 			sort( $matches );
 
-			$i = 0;
-
-			$files_view = new \OC_FilesystemView('/'.\OCP\User::getUser().'/files');
+			$files_view = new \OC_FilesystemView('/'.$uid.'/files');
 			$local_file = $files_view->getLocalFile($filename);
-			foreach( $matches as $ma ) {
 
-				$i++;
-				$versions[$i]['cur'] = 0;
+			foreach( $matches as $ma ) {
 				$parts = explode( '.v', $ma );
-				$versions[$i]['version'] = ( end( $parts ) );
+				$version = ( end( $parts ) );
+				$key = $version.'#'.$filename;
+				$versions[$key]['cur'] = 0;
+				$versions[$key]['version'] = $version;
+				$versions[$key]['path'] = $filename;

+				$versions[$key]['size'] = $versions_fileview->filesize($filename.'.v'.$version);
 
 				// if file with modified date exists, flag it in array as currently enabled version
-				( \md5_file( $ma ) == \md5_file( $local_file ) ? $versions[$i]['fileMatch'] = 1 : $versions[$i]['fileMatch'] = 0 );
+				( \md5_file( $ma ) == \md5_file( $local_file ) ? $versions[$key]['fileMatch'] = 1 : $versions[$key]['fileMatch'] = 0 );
 
 			}
 
 			$versions = array_reverse( $versions );
 
 			foreach( $versions as $key => $value ) {
-
 				// flag the first matched file in array (which will have latest modification date) as current version
 				if ( $value['fileMatch'] ) {
-
 					$value['cur'] = 1;
 					break;
-
 				}
-
 			}
 
 			$versions = array_reverse( $versions );
 
 			// only show the newest commits
 			if( $count != 0 and ( count( $versions )>$count ) ) {
-
 				$versions = array_slice( $versions, count( $versions ) - $count );
-
 			}
 
 			return( $versions );
 
-
 		} else {
-
 			// if versioning isn't enabled then return an empty array
 			return( array() );
-
 		}
 
 	}
 
+	/**

+	 * @brief get the size of all stored versions from a given user

+	 * @param $uid id from the user

+	 * @return size of vesions

+	 */

+	private static function calculateSize($uid) {

+		if( \OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true' ) {

+			$versions_fileview = new \OC_FilesystemView('/'.$uid.'/files_versions');

+			$versionsRoot = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('');

+				

+			$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($versionsRoot), \RecursiveIteratorIterator::CHILD_FIRST);

+				

+			$size = 0;
+							

+			foreach ($iterator as $path) {

+				if ( preg_match('/^.+\.v(\d+)$/', $path, $match) ) {

+					$relpath = substr($path, strlen($versionsRoot)-1);
+					$size += $versions_fileview->filesize($relpath);

+				}

+			}
+			
+			return $size;

+		}

+	}
+	
 	/**
-	 * @brief Erase a file's versions which exceed the set quota
+	 * @brief returns all stored file versions from a given user
+	 * @param $uid id to the user
+	 * @return array with contains two arrays 'all' which contains all versions sorted by age and 'by_file' which contains all versions sorted by filename
 	 */
-	public static function expire($filename) {
-		if(\OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true') {
-			list($uid, $filename) = self::getUidAndFilename($filename);
+	private static function getAllVersions($uid) {
+		if( \OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true' ) {

 			$versions_fileview = new \OC_FilesystemView('/'.$uid.'/files_versions');
-
-			$versionsName=\OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath($filename);
-
-			// check for old versions
-			$matches = glob( $versionsName.'.v*' );
-
-			if( count( $matches ) > \OCP\Config::getSystemValue( 'files_versionmaxversions', Storage::DEFAULTMAXVERSIONS ) ) {
-
-				$numberToDelete = count($matches) - \OCP\Config::getSystemValue( 'files_versionmaxversions', Storage::DEFAULTMAXVERSIONS );
-
-				// delete old versions of a file
-				$deleteItems = array_slice( $matches, 0, $numberToDelete );
-
-				foreach( $deleteItems as $de ) {
-
-					unlink( $versionsName.'.v'.$de );
-
+			$versionsRoot = \OCP\Config::getSystemValue('datadirectory').$versions_fileview->getAbsolutePath('');
+			
+			$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($versionsRoot), \RecursiveIteratorIterator::CHILD_FIRST);

+			
+			$versions = array();
+			
+			foreach ($iterator as $path) {
+				if ( preg_match('/^.+\.v(\d+)$/', $path, $match) ) {
+					$relpath = substr($path, strlen($versionsRoot)-1);
+					$versions[$match[1].'#'.$relpath] = array('path' => $relpath, 'timestamp' => $match[1]);
 				}
+			}

+			
+			ksort($versions);
+			
+			$i = 0;
+			
+			$result = array();
+			
+			foreach( $versions as $key => $value ) {

+				$i++;
+				$size = $versions_fileview->filesize($value['path']);
+				$filename = substr($value['path'], 0, -strlen($value['timestamp'])-2);
+

+				$result['all'][$key]['version'] = $value['timestamp'];
+				$result['all'][$key]['path'] = $filename;

+				$result['all'][$key]['size'] = $size;
+				
+				$filename = substr($value['path'], 0, -strlen($value['timestamp'])-2);
+				$result['by_file'][$filename][$key]['version'] = $value['timestamp'];
+				$result['by_file'][$filename][$key]['path'] = $filename;

+				$result['by_file'][$filename][$key]['size'] = $size;
+				

 			}
+			
+			return $result;
 		}
 	}
 
 	/**
-	 * @brief Erase all old versions of all user files
-	 * @return true/false
+	 * @brief Erase a file's versions which exceed the set quota
 	 */
-	public function expireAll() {
-		$view = \OCP\Files::getStorage('files_versions');
-		return $view->deleteAll('', true);
+	private static function expire($filename, $versionsSize = null) {
+		if(\OCP\Config::getSystemValue('files_versions', Storage::DEFAULTENABLED)=='true') {
+			list($uid, $filename) = self::getUidAndFilename($filename);			
+			$versions_fileview = new \OC_FilesystemView('/'.$uid.'/files_versions');
+			
+			// get available disk space for user
+			$quota = \OCP\Util::computerFileSize(\OC_Preferences::getValue($uid, 'files', 'quota'));
+			if ( $quota == null ) {
+				$quota = \OCP\Util::computerFileSize(\OC_Appconfig::getValue('files', 'default_quota'));
+			}
+			if ( $quota == null ) {
+				$quota = \OC_Filesystem::free_space('/');
+			}
+			
+			// make sure that we have the current size of the version history
+			if ( $versionsSize === null ) {
+				if (  ($versionsSize = \OCP\Config::getAppValue('files_versions', 'size')) === null ) {
+					$versionsSize = self::calculateSize($uid);
+				}
+			}
+
+			// calculate available space for version history

+			$rootInfo = \OC_FileCache::get('', '/'. $uid . '/files');
+			$free = $quota-$rootInfo['size']; // remaining free space for user
+			if ( $free > 0 ) {
+				$availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $versionsSize; // how much space can be used for versions
+			} else {
+				$availableSpace = $free-$versionsSize;
+			} 
+
+			// after every 1000s run reduce the number of all versions not only for the current file 
+			$random = rand(0, 1000);
+			if ($random == 0) {
+				$result = Storage::getAllVersions($uid);
+				$versions_by_file = $result['by_file'];
+				$all_versions = $result['all'];
+			} else {
+				$all_versions = Storage::getVersions($filename);
+				$versions_by_file[$filename] = $all_versions;
+			}
+			
+			$time = time();
+			
+			// it is possible to expire versions from more than one file
+			// iterate through all given files
+			foreach ($versions_by_file as $filename => $versions) {
+				$versions = array_reverse($versions);	// newest version first
+				
+				$interval = 1;
+				$step = Storage::$max_versions_per_interval[$interval]['step'];			
+				if (Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] == -1) {
+					$nextInterval = -1;
+				} else {
+					$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
+				}
+				
+				$firstVersion = reset($versions);
+				$firstKey = key($versions);
+				$prevTimestamp = $firstVersion['version'];
+				$nextVersion = $firstVersion['version'] - $step;
+				$remaining_versions[$firstKey] = $firstVersion;
+				unset($versions[$firstKey]);
+				
+				foreach ($versions as $key => $version) {
+					$newInterval = true;
+					while ( $newInterval ) {
+						if ( $nextInterval == -1 || $version['version'] >= $nextInterval ) {
+							if ( $version['version'] > $nextVersion ) {
+								//distance between two version too small, delete version
+								$versions_fileview->unlink($version['path'].'.v'.$version['version']);
+								$availableSpace += $version['size'];
+								$versionsSize -= $version['size'];
+								unset($all_versions[$key]); // update array with all versions
+							} else {
+								$nextVersion = $version['version'] - $step;
+							}
+							$newInterval = false; // version checked so we can move to the next one
+						} else { // time to move on to the next interval
+							$interval++;
+							$step = Storage::$max_versions_per_interval[$interval]['step'];
+							$nextVersion = $prevTimestamp - $step;
+							if ( Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'] == -1 ) {
+								$nextInterval = -1;
+							} else {

+								$nextInterval = $time - Storage::$max_versions_per_interval[$interval]['intervalEndsAfter'];
+							}
+							$newInterval = true; // we changed the interval -> check same version with new interval
+						}
+					}
+					$prevTimestamp = $version['version'];
+				}
+			}
+			
+			// check if enough space is available after versions are rearranged.
+			// if not we delete the oldest versions until we meet the size limit for versions
+			$numOfVersions = count($all_versions);
+			$i = 0; 
+			while ($availableSpace < 0) {
+				if ($i = $numOfVersions-2) break; // keep at least the last version
+				$versions_fileview->unlink($all_versions[$i]['path'].'.v'.$all_versions[$i]['version']);
+				$versionsSize -= $all_versions[$i]['size'];
+				$availableSpace += $all_versions[$i]['size'];
+				$i++;
+			}
+		
+			return $versionsSize; // finally return the new size of the version history
+		}
+		
+		return false;
 	}
 }
diff --git a/apps/files_versions/settings-personal.php b/apps/files_versions/settings-personal.php
deleted file mode 100644
index 6555bc99c3e..00000000000
--- a/apps/files_versions/settings-personal.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-$tmpl = new OCP\Template( 'files_versions', 'settings-personal');
-
-OCP\Util::addscript('files_versions', 'settings-personal');
-
-return $tmpl->fetchPage();
diff --git a/apps/files_versions/templates/settings-personal.php b/apps/files_versions/templates/settings-personal.php
deleted file mode 100644
index 2b313a07c88..00000000000
--- a/apps/files_versions/templates/settings-personal.php
+++ /dev/null
@@ -1,12 +0,0 @@
-<form id="versions">
-	<fieldset class="personalblock">
-		<legend>
-			<strong><?php echo $l->t('Versions'); ?></strong>
-		</legend>
-		<button id="expireAllBtn">
-            <?php echo $l->t('Expire all versions'); ?>
-            <img style="display: none;" class="expireAllLoading" src="<?php echo OCP\Util::imagePath('core', 'loading.gif'); ?>" />
-            </button>
-            <br /><em><?php echo $l->t('This will delete all existing backup versions of your files'); ?></em>
-	</fieldset>
-</form>
diff --git a/apps/files_versions/templates/settings.php b/apps/files_versions/templates/settings.php
index 88063cb075b..bfca8366f5d 100644
--- a/apps/files_versions/templates/settings.php
+++ b/apps/files_versions/templates/settings.php
@@ -1,6 +1,6 @@
 <form id="versionssettings">
-        <fieldset class="personalblock">
-	        <legend><strong><?php echo $l->t('Files Versioning');?></strong></legend>
-	        <input type="checkbox" name="versions" id="versions" value="1" <?php if (OCP\Config::getSystemValue('versions', 'true')=='true') echo ' checked="checked"'; ?> /> <label for="versions"><?php echo $l->t('Enable'); ?></label> <br/>
-        </fieldset>
+	<fieldset class="personalblock">
+		<legend><strong><?php echo $l->t('Files Versioning');?></strong></legend>
+		<input type="checkbox" name="versions" id="versions" value="1" <?php if (OCP\Config::getSystemValue('versions', 'true')=='true') echo ' checked="checked"'; ?> /> <label for="versions"><?php echo $l->t('Enable'); ?></label> <br/>
+	</fieldset>
 </form>