def __create_or_update_event_with_location (form, user, event):
"Creates or updates an Event from the submitted EventForm. If the given Event is None a new Event is created."
if event == None:
event = Event()
event.title = form.cleaned_data['title']
event.date_time_begin = form.cleaned_data['date_time_begin']
event.date_time_end = form.cleaned_data['date_time_end']
event.url = form.cleaned_data['url']
event.description = form.cleaned_data['description']
event.location = __get_and_update_or_create_location(form)
# Only when a new event is created
if event.id == None:
# auto-publish for staff users
event.published = user.is_staff
# link event to user
if user.is_authenticated():
event.user = user
# Event must be persisted before tags can be set (many-to-may relationship)
if event.id == None:
event.save()
event.tags = form.cleaned_data['tags']
event.save()
return event
