def to_python(self, value):
if value == '':
return Extras()
elif type(value) == Extras:
return value
else:
extras = Extras()
try:
values = json.loads(value)
assert type(values) == dict, 'expected a dictionary object, found a %s' % type(values).__name__
for key in values.keys():
assert type(key) == unicode, 'expected unicode keys, found a %s' % type(key).__name__
extras.__dict__ = values
except (ValueError, AssertionError), e:
raise ValidationError, 'Invalid JSON data in ExtrasField: %s' % e
return extras
def submitData(self, jstr):
obj = json.loads(jstr)
# for now, assume it's plan status, that's all we have...
planStat = obj['planStatus']
for k in planStat.keys():
if k != 'timestamp':
try:
statusInfo = StatusboardPlanStatus.objects.get(keyword=k)
statusInfo.value = json.dumps(planStat[k])
statusInfo.timestamp = \
datetime.datetime.\
fromtimestamp(float(planStat['timestamp']))
statusInfo.save()
except ObjectDoesNotExist:
StatusboardPlanStatus.objects.\
create(timestamp=(datetime.datetime.
fromtimestamp(float(planStat['timestamp']))),
keyword=k,
value=json.dumps(planStat[k]))
def postPosition(request):
if request.method == "GET":
return HttpResponseNotAllowed("Please post a resource position as a GeoJSON Feature.")
else:
try:
featureDict = json.loads(request.raw_post_data)
except ValueError:
return HttpResponse("Malformed request, expected resources position as a GeoJSON Feature", status=400)
# create or update Resource
properties = featureDict["properties"]
featureUserName = properties["userName"]
matchingUsers = User.objects.filter(username=featureUserName)
if matchingUsers:
user = matchingUsers[0]
else:
user = User.objects.create_user(featureUserName, "*****@*****.**" % featureUserName, "12345")
user.first_name = featureUserName
user.is_active = False
user.save()
resource, created = Resource.objects.get_or_create(uuid=featureDict["id"], defaults=dict(user=user))
if resource.user.username != featureUserName:
resource.user = user
resource.save()
# create or update ResourcePosition
coordinates = featureDict["geometry"]["coordinates"]
timestamp = iso8601.parse_date(properties["timestamp"]).replace(tzinfo=None)
attrs = dict(timestamp=timestamp, longitude=coordinates[0], latitude=coordinates[1])
if len(coordinates) >= 3:
attrs["altitude"] = coordinates[2]
rp, created = ResourcePosition.objects.get_or_create(resource=resource, defaults=attrs)
if not created:
for field, val in attrs.iteritems():
setattr(rp, field, val)
rp.save()
# add a PastResourcePosition historical entry
PastResourcePosition(resource=resource, **attrs).save()
return HttpResponse(dumps(dict(result="ok")), mimetype="application/json")
def getGeometry(self):
return json.loads(self.json)