def update_location(request):
'''Store the vehicle location to DB'''
if not request.GET.has_key('lat') or not request.GET.has_key('lon') or not request.GET.has_key('utc') \
or not request.GET.has_key('spkn') or not request.GET.has_key('id'):
return HttpResponse("Error!!! Please supply correct parameters : latitude, longitude, time, speed, id", "text/html")
lat = request.GET.get('lat', None)
northsouth = request.GET.get('ns', None)
latitude = None
if lat != None:
latitude = float(lat[0:2]) + float(lat[2:])/60.0
if northsouth == 's' and latitude:
latitude = latitude * -1.00
lng = request.GET.get('lon', None)
eastwest = request.GET.get('ew', None)
longitude = None
if (lng != None):
longitude = float(lng[0:3]) + float(lng[3:])/60.0
if ((eastwest == 'w' or eastwest == 'W')) and longitude != None:
longitude = longitude * -1.00
utc_date = request.GET.get('date', None)
utc_time = request.GET.get('utc', None)
spkn = request.GET.get('spkn', None)
speed = 0.0
if spkn != None :
speed =float(spkn)*NMI/1000.0
vehicleid = request.GET.get('id', None)
timestamp = datetime.datetime.now()
if utc_date != None:
year = 2000 + int(utc_date[4:])
month = int(utc_date[2:4])
day = int(utc_date[0:2])
hour = int(utc_time[0:2])
minute = int(utc_time[2:4])
sec = int(utc_time[4:6])
timestamp = datetime.datetime(year, month, day, hour, minute, sec)
logging.info('lat: %f, %f, %d, %s, %s' % (latitude, longitude, speed, str(timestamp), vehicleid))
#if not latitude or not longitude or not timestamp or not speed or not vehicleid:
# return HttpResponse("Error!!! Please supply correct parameters : latitude:%s, longitude:%s, time:%s, speed:%s, id:%s" %(str(latitude), str(longitude), timestamp, str(speed), vehicleid), "text/html")
try:
vloc = VehiclePosition(latitude=latitude, longitude=longitude, when=timestamp, speed=speed, vehicle_id=vehicleid)
vloc.put()
except Exception, e:
raise e
def get_vehicle_track(request):
vehicleid = None
vtrack = []
offset = int(request.GET.get('offset', 0))
_status = 200
if request.GET.get('id', None):
vehicleid = request.GET.get('id')
else:
raise Http404
try:
vtrack = VehiclePosition.all().filter('vehicle_id = ' , vehicleid ).order('when').fetch(1000, offset=offset)
except Exception, e:
_status = 500