def add(customer, obj, event, note=None, user=None):
stat = Status()
stat.event = event
if customer:
stat.customer_id = customer.customer_id
stat.fk_type = type(obj).__name__
stat.fk_id = getattr(obj, obj.__pk__)
stat.note = note
stat.user = Session.merge(user) if user else None #pylint: disable-msg=E1101
stat.save()
if event.change_status:
obj.status = stat
obj.save()
stat.flush()
return stat
