def create(self, validated_data):
picture = validated_data.get('picture')
picture_format = self.get_validate_format(str(picture))
container_mac = picture_format['container']
date_time = picture_format['datetime']
container = Container.objects.filter(identifier_mac=container_mac)
if not container.exists():
trip = Trip.create(date_time, picture, container_mac, is_new=True)
url = get_exif_path_url(trip.picture)
trip.metadata = get_exif_dumps(url)
metadata_latitude = get_exif_loads(trip.metadata)[0]['exif:GPSLatitude']
metadata_longitude = get_exif_loads(trip.metadata)[0]['exif:GPSLongitude']
trip.latitude = convert_degress_to_decimal(metadata_latitude)
trip.longitude = convert_degress_to_decimal(metadata_longitude)
trip.save()
else:
container = Container.objects.get(identifier_mac=container_mac)
trip = Trip.create(date_time, picture, container, is_new=False)
url = get_exif_path_url(trip.picture)
trip.metadata = get_exif_dumps(url)
metadata_latitude = get_exif_loads(trip.metadata)[0]['exif:GPSLatitude']
metadata_longitude = get_exif_loads(trip.metadata)[0]['exif:GPSLongitude']
trip.latitude = convert_degress_to_decimal(metadata_latitude)
trip.longitude = convert_degress_to_decimal(metadata_longitude)
trip.save()
return validated_data
def perform_update(self, serializer):
instance = serializer.save()
url = get_exif_path_url(instance.picture)
instance.metadata = get_exif_dumps(url)
instance.save()