def post(self, request, **kwargs):
"""
Creates a new device or updates an existing one to `is_active=True`.
Expects two non-options POST parameters: `token` and `service`.
"""
devices = Device.objects.filter(token=request.POST.get('token'),
service__id=int(
request.POST.get('service', 0)))
if devices.exists():
device = devices.get()
device.is_active = True
device.save()
return JSONResponse(device)
form = DeviceForm(request.POST)
if form.is_valid():
device = form.save(commit=False)
device.is_active = True
device.save()
return JSONResponse(device, status=201)
return JSONResponse(form.errors, status=400)
