def handle_location(location, redis, cellid=False, db=None):
"""
@param location: position/report/locationdesc/pvt
memcached
cellid: if True issue cellid
@return location
eg.
{u'gps_time': 1407138438,
u'dev_id': u'T123SIMULATOR',
u'defend_status': u'1',
u'locate_error': 20,
u'alt': 0,
u'speed': 126.3,
u'cLat': 0,
u'cLon': 0,
u'lon': 418507200,
u'valid': u'0',
u'ns': u'N',
u'gps': u'20',
u'fobid': u'',
u'degree': 276.5,
u'softversion': u'1.0.0',
u'timestamp': 1407138438,
u'terminal_type': u'1',
u'sessionID': u'cyndqhy9',
u'pbat': u'10',
u'lat': 95630400,
u'is_notify': u'',
u'rName': u'POWERDOWN',
u'name': None,
u'ew': u'E',
u'dev_type': u'1',
u'command': u'T26',
u't': u'REPORT',
u'gsm': u'6',
u'cellid': u'460:0:10101:03633'
u'type':0,
u'category':9,
}
"""
location = DotDict(location)
if location.valid == GATEWAY.LOCATION_STATUS.SUCCESS: # 1
location.type = 0
if location.get('speed') is not None and location.speed <= UWEB.SPEED_DIFF:
pass
#location.degree = get_last_degree(location, redis, db)
elif location.valid == GATEWAY.LOCATION_STATUS.UNMOVE: # 4
logging.info("[LBMPHELPER] Tid:%s gps locate flag :%s", location.dev_id, location.valid)
#last_location = QueryHelper.get_location_info(location.dev_id, db, redis)
last_location = QueryHelper.get_gps_location_info(location.dev_id, db, redis)
if last_location:
current_time = int(time.time())
diff = current_time - last_location.timestamp
logging.info("[LBMPHELPER] current time:%s, last locaiton time:%s, diff time:%s", current_time, last_location.timestamp, diff)
if (current_time - last_location.timestamp) < 60 * 60 * 24 * 30: # 30 days. in seconds
logging.info("[LBMPHELPER] Tid:%s, current_time - last_location.timestamp < 30 days, so use last location time:%s",
location.dev_id, last_location.timestamp)
location.gps_time = last_location.timestamp
location.lat = last_location.latitude
location.lon = last_location.longitude
location.cLat = last_location.clatitude
location.cLon = last_location.clongitude
location.type = 0
location.gps = 0
else:
location.type = 0
logging.info("[LBMPHELPER] Tid:%s, current_time - last_location.timestamp >= 600s, so use location itself: %s.", location.dev_id, location)
pass
else:
location.type = 0
logging.info("[LBMPHELPER] Tid:%s, found no location before, so use location itself: %s.", location.dev_id, location)
pass
# location.lat = last_location.latitude
# if (current_time - last_location.timestamp) > 600:
# location.gps_time = current_time
# logging.info("Tid:%s, current_time - last_location.timestamp > 600s, so use current time:%s", location.dev_id, current_time)
# else:
# logging.info("Tid:%s, current_time - last_location.timestamp <= 600s, so use last location time:%s", location.dev_id, last_location.timestamp)
# location.gps_time = last_location.timestamp
# location.lat = last_location.latitude
# location.lon = last_location.longitude
# location.cLat = last_location.clatitude
# location.cLon = last_location.clongitude
# location.type = 0
# location.gps = 0
#else:
# location.lat = 0
# location.lon = 0
# location.cLat = 0
# location.cLon = 0
# location.type = 0
# location.gps_time = int(time.time())
# location.degree = 0.00
# location.gps = 0
# #if cellid:
# # location = issue_cellid(location, db, redis)
elif location.valid == GATEWAY.LOCATION_STATUS.MOVE: # 6
logging.info("[LBMPHELPER] tid:%s gps locate flag :%s", location.dev_id, location.valid)
location.lat = 0
location.lon = 0
location.cLat = 0
location.cLon = 0
location.type = 0
location.gps_time = int(time.time())
location.degree = 0.00
location.gps = 0
if cellid:
location = issue_cellid(location, db, redis)
else: # 0,2,5
logging.info("[LBMPHELPER] tid:%s gps locate flag :%s", location.dev_id, location.valid)
location.lat = 0
location.lon = 0
location.cLat = 0
location.cLon = 0
location.type = 0
location.gps_time = int(time.time())
location.degree = 0.00
#if db:
# location.degree = get_last_degree(location, redis, db)
location.gps = 0
if cellid:
# 1: issue cellid
location = issue_cellid(location, db, redis)
if location.lon and location.lat:
# 2: check the location whether is odd
last_location = QueryHelper.get_location_info(location.dev_id, db, redis)
if last_location:
distance = get_distance(location.lon,
location.lat,
last_location.longitude,
last_location.latitude)
if distance > 5000:
login_time = QueryHelper.get_login_time_by_tid(location.dev_id, db, redis)
if last_location.timestamp < login_time:
logging.info("[LBMPHELPER] tid: %s distance:%s > 5000m, and last login time: %s, after last location timestamp: %s, use cellid location.",
location.dev_id, distance, login_time, last_location.timestamp)
else:
location.lat, location.lon = (last_location.latitude, last_location.longitude)
logging.info("[LBMPHELPER] tid:%s, distance:%s > 5000m, use last location: %s ",
location.dev_id, distance, last_location)
elif distance < 2000:
location.lat, location.lon = (last_location.latitude, last_location.longitude)
logging.info("[LBMPHELPER] tid:%s distance:%s < 2000m, use last location:%s", location.dev_id, distance, last_location)
else:
logging.info("[LBMPHELPER] tid:%s 2000m < distance:%s < 5000m, use cellid location", location.dev_id, distance)
else:
logging.info("[LBMPHELPER] tid:%s last location is none, use cellid location", location.dev_id)
if location and location.lat and location.lon:
clats, clons = get_clocation_from_ge([location.lat,], [location.lon,])
location.cLat, location.cLon = clats[0], clons[0]
# drop some odd cellid location
if location.type == 1 and location.cLat and location.cLon:
if PtInPolygon(location, DM_ZJGS_POLYGON):
location.lat = 0
location.lon = 0
location.cLat = 0
location.cLon = 0
#if (location['t'] == EVENTER.INFO_TYPE.REPORT or
# location['command'] == GATEWAY.T_MESSAGE_TYPE.LOCATIONDESC):
# NOTE: change it temporarily: in platform get loction name of all
if location.cLat and location.cLon:
location.name = get_location_name(location.cLat, location.cLon, redis)
if location['t'] == EVENTER.INFO_TYPE.POSITION:
location.category = EVENTER.CATEGORY.REALTIME
elif location['t'] == EVENTER.INFO_TYPE.REPORT:
location.category = EVENTER.CATEGORY[location.rName]
else:
location.category = EVENTER.CATEGORY.UNKNOWN
return location
