def relabel_detections(start_id, limit):
detections = Detection.objects.filter(id__gte=start_id).filter(
id__lt=start_id + limit
)
r = get_redis_connection()
for d in detections:
s = True
if d.source != "api_v2" or not d.frame_content:
s = False
if s and not validate_image(d.frame_content):
s = False
if s:
start_time = r.zscore(cache.make_key("start_time"), d.user_id)
if start_time:
s = d.timestamp > start_time
else:
s = False
if s != d.visible:
d.visible = s
d.save()
def handle_detection_frame(frame):
key = frame.body.user_info.key
user_info = frame.body.user_info
user = authenticate(token=key)
# create or get team
team_name = user_info.team
team, _ = Team.objects.get_or_create(name=team_name)
if not team == user.team:
user.team = team
user.save()
if user is None:
logger.info("Unauthorized detection submission.")
raise UnauthorizedException("Wrong username or password!")
device_info = frame.body.device_info
device, _ = Device.objects.get_or_create(
device_id=device_info.deviceId,
device_model=device_info.deviceModel,
system_version=device_info.androidVersion,
user=user
)
detection_info = frame.body.detection_info
decoded_image = None
visible = False
if detection_info.frame_content:
decoded_image = base64.decodestring(detection_info.frame_content)
if validate_image(decoded_image):
visible = False
else:
visible = True
detection = Detection.objects.create(
accuracy=detection_info.accuracy,
altitude=detection_info.altitude,
frame_content=decoded_image,
height=detection_info.height,
width=detection_info.width,
d_id=detection_info.id,
latitude=detection_info.latitude,
longitude=detection_info.longitude,
provider=detection_info.provider,
timestamp=detection_info.timestamp,
source='api_v1',
device=device,
user=user,
team=user.team,
visible=visible
)
logger.info("Stored detection for user %s, visibility: %s." % (user.display_name, visible))
def handle(self, *args, **options):
detections = Detection.objects.all()
for d in detections:
if (not d.frame_content) or validate_image(d.frame_content):
self.stdout.write("Processing image %s" % d.id)
d.visible = False
d.save()
self.stdout.write("Done!")
def handle(self, *args, **options):
detections = Detection.objects.all()
for d in detections:
if d.frame_content:
d.brightness = rate_brightness(d.frame_content)
d.save()
if (not d.frame_content) or validate_image(d.frame_content):
self.stdout.write("Hiding detection %s (image validation failed)" % d.id)
d.visible = False
d.save()
if abs(d.time_received - d.timestamp) > 3600 * 24 * 365 * 5 * 1000:
self.stdout.write("Hiding detection %s (invalid date)" % d.id)
d.visible = False
d.save()
self.stdout.write("Done!")
def handle_detection(request):
serializer = DetectionRequestSerializer(data=request.data)
if not serializer.is_valid():
raise CredoAPIException(str(serializer.errors))
vd = serializer.validated_data
detections = []
for d in vd['detections']:
frame_content = base64.b64decode(d['frame_content'])
visible = True
if (not frame_content) or validate_image(frame_content):
visible = False
detections.append(
Detection.objects.create(accuracy=d['accuracy'],
altitude=d['altitude'],
frame_content=frame_content,
height=d['height'],
width=d['height'],
d_id=d['id'],
latitude=d['latitude'],
longitude=d['longitude'],
provider=d['provider'],
timestamp=d['timestamp'],
source='api_v2',
device=Device.objects.get_or_create(
device_id=vd['device_id'],
device_type=vd['device_type'],
device_model=vd['device_model'],
system_version=vd['system_version'],
user=request.user)[0],
user=request.user,
team=request.user.team,
visible=visible))
data = {
'detections': [
{
'id': d.id # TODO: Should we send more data?
} for d in detections
]
}
logger.info('Stored {} detections for user {}'.format(
len(detections), request.user))
return data
def handle_detection(request):
try:
serializer = DetectionRequestSerializer(data=request.data)
except ParseError:
raise CredoAPIException(
"Could not parse request body as a valid JSON object")
if not serializer.is_valid():
raise CredoAPIException(str(serializer.errors))
vd = serializer.validated_data
detections = []
r = None
for d in vd["detections"]:
frame_content = base64.b64decode(d["frame_content"])
visible = True
if (not frame_content) or (not validate_image(frame_content)):
visible = False
if visible:
if not r:
r = get_redis_connection(write=False)
start_time = r.zscore(cache.make_key("start_time"),
request.user.id)
if start_time:
visible = d["timestamp"] > start_time
else:
visible = False
if visible and d["x"] is not None:
r = get_redis_connection()
if not r.sadd(
cache.make_key("pixels_{}".format(request.user.id)),
"{} {}".format(d["x"], d["y"]),
):
visible = False
detections.append(
Detection.objects.create(
accuracy=d["accuracy"],
altitude=d["altitude"],
frame_content=frame_content,
height=d["height"],
width=d["width"],
x=d["x"],
y=d["y"],
latitude=d["latitude"],
longitude=d["longitude"],
provider=d["provider"],
timestamp=d["timestamp"],
metadata=d["metadata"],
source="api_v2",
device=Device.objects.get_or_create(
device_id=vd["device_id"],
device_type=vd["device_type"],
device_model=vd["device_model"],
system_version=vd["system_version"],
user=request.user,
)[0],
user=request.user,
team=request.user.team,
visible=visible,
))
data = {"detections": [{"id": d.id} for d in detections]}
recalculate_user_stats.delay(request.user.id)
recalculate_team_stats.delay(request.user.team.id)
logger.info("Stored {} detections for user {}".format(
len(detections), request.user))
return data
