python

def index(request):
	if request.method == "GET":
		return render_to_response('locations/index.html', {'nosearch': True})
	elif request.method == "POST":
		context = {}
		result = Location.objects.filter(address=request.POST['address'])
		loc = result.first()
		context['loc'] = loc
		context['services'] = _get_services(loc)
		return render_to_response('locations/services.html', context)

def toggle(request, loc_id, service_id):
	context = {}
	service = Service.objects.filter(pk=service_id).first()
	loc = Location.objects.filter(pk=loc_id).first()
	context['loc'] = loc
	context['services'] = _get_services(loc)
	_toggle_service(service)

	if not service or not loc:
		raise Http404

	return render_to_response('locations/services.html', context)

def _toggle_service(service):
	service.active = (not service.active)
	service.save()

def _get_services(loc):
	services = []
	if loc:
		for p in loc.port_set.all():
			services.extend(p.service_endpoint_a.all())
			services.extend(p.service_endpoint_z.all())
	return services