diff -r e16c0250c974 -r 3462c2c90f95 iro/controller/viewinterface.py
--- a/iro/controller/viewinterface.py	Sat Jan 28 04:00:47 2012 +0100
+++ b/iro/controller/viewinterface.py	Sat Jan 28 04:03:15 2012 +0100
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from ..model.decorators import vUser, vRoute, dbdefer, vTyp
-from ..model.schema import User
+from ..model.schema import User, Userright, Offer
+from sqlalchemy import and_
 from ..validate import validate, vBool, vHash, vTel, vEmail
 
 class Interface(object):
@@ -121,8 +122,8 @@
         providerlist[list]: Eine Liste aller möglichen Provider
 
         '''
-        user = session.query(User).filter_by(name=user.name).first()
-        return [u.offer_name for u in user.rights]
+        offers = session.query(Userright.offer_name).join(Offer,User).filter(and_(User.name==user.name,Offer.typ==typ))
+        return [u[0] for u in offers]
         
     @validate(kwd="typ", func=vTyp)
     @vUser