def post(self):
code = self.request.get('code')
name = self.request.get('name')
route = self.request.get('route')
longitude = self.request.get('long')
latitude = self.request.get('lat')
bus_stop = db.Query(BusStop).filter('code = ', code).get()
if (bus_stop == None):
new_bus_stop = BusStop(
location=db.GeoPt(float(latitude), float(longitude)),
code=code,
name=name,
routes=[route]
)
new_bus_stop.update_location()
new_bus_stop.put()
self.response.set_status(201)
return
# if the bus stop exists just add the route
if (route not in bus_stop.routes):
bus_stop.routes.append(route)
bus_stop.put()
self.response.set_status(201)
def get_nearest(self, latitude, longitude, bus_no=None):
base_query = db.Query(BusStop)
if (bus_no != None):
base_query = base_query.filter('routes = ', bus_no)
bus_stops = BusStop.proximity_fetch(
base_query,
db.GeoPt(float(latitude), float(longitude)),
max_results=10,
max_distance=8046 # default 5 miles
)
all_as_json = []
for bus_stop in bus_stops:
as_json = {}
as_json['code'] = bus_stop.code
as_json['name'] = bus_stop.name
as_json['routes'] = bus_stop.routes
as_json['latitude'] = bus_stop.location.lat
as_json['longitude'] = bus_stop.location.lon
all_as_json.append(as_json)
return json.dumps(all_as_json, "UTF-8")