def vouchers(context):
session = get_session('ukhvoucher')
items = []
disabled = set()
query = session.query(Voucher)
if isinstance(context, Account):
query = query.filter(Voucher.user_id==context.oid)
for item in query.all():
items.append(SimpleTerm(item, token=item.oid, title="%s - %s %s" %(item.title, item.status.strip(), item.cat)))
if item.invoice is not None or item.status.strip() in (DISABLED, BOOKED):
disabled.add(str(item.oid))
disabled.add(item.oid)
vocabulary = SimpleVocabulary(items)
vocabulary.disabled_items = disabled
return vocabulary
