def utility_track(request, pk):
try:
home = Home.get(pk)
item = Track.objects.filter(home=home).order_by('-created')[:1]
except Home.DoesNotExist:
item = Track()
except Track.DoesNotExist:
item = Track()
return json_write_items(item)
def utility_daily(request, pk):
try:
home = Home.get(pk)
item = Daily.objects.filter(home=home).order_by('-created')[:30]
except Home.DoesNotExist:
item = Daily()
except Daily.DoesNotExist:
item = Daily()
return json_write_items(item)
def get_home_devices(request):
try:
home = Home.get(request.GET['home'])
hardwares = Hardware.objects.filter(home=home)
devices = Device.objects.filter(hardware=hardwares)
except KeyError:
devices = None
items = []
for device in devices:
try:
status = Status.objects.get(device=device)
items.append(status)
except Status.DoesNotExist:
continue
return json_write_items(items)
def get(self, request, *args, **kwargs):
try:
home_id = request.GET['home']
home = Home.get(home_id)
request.session['home'] = home.id
messages.add_message(request,
messages.INFO,
message='Now viewing Home %s' % str(home))
try:
utility = Track.objects.get(home=home)
except Track.DoesNotExist:
utility = Track(home=home)
return render(request, self.template_name, {
'home': home,
'utility': utility
})
except KeyError:
homes = Home.objects.all()
return render(request, 'homes-index.html', {'homes': homes})
def home_track_chart(request, pk):
today = date.today()
try:
home = Home.get(pk)
items = Track.objects.filter(home=home).filter(
created__contains=today).order_by('-created').values_list(
'created', 'power_main_w')
count = len(items)
items = reversed(items)
chart = [["Time", "Energy Main"]]
if count > 0:
for item in items:
t = timezone.localtime(item[0]).strftime('%H:%M')
chart.append((t, item[1]))
else:
raise Track.DoesNotExist
except Home.DoesNotExist:
chart = [["Time", "Energy Main"], ["00:00", 0]]
except Track.DoesNotExist:
chart = [["Time", "Energy Main"], ["00:00", 0]]
return HttpResponse(json.dumps(chart), content_type='text/json')
def get(self, request, *args, **kwargs):
try:
home = Home.get(request.session['home'])
except KeyError:
return reverse_lazy('index')