def save(self, force_insert=False, force_update=False):
if not self.address:
raise ValidationError(u'Location object must be initialized with an address.')
location = "%s, %s, %s" % (self.address, 'Somerville', 'MA')
if not self.geometry:
try:
result = geocode_to_point_object(location)
except AmbiguousResult:
pass
if result:
self.title = result[0]
self.geometry = result[1]
else:
raise Exception(u'Failed to geocode address.')
super(Location, self).save()
def your_station(request, form_class=StationForm, template_name="stations/your_station.html"):
''' Request an address and return a new Location,
with directions to nearest Station. '''
context = {'GOOGLE_API_KEY': lazy_key()}
station = None
geom = None
title = None
if request.method == "POST":
result = None
data = request.POST.copy()
address = data.get("address")
location = "%s, %s, %s" % (address, 'Somerville', 'MA')
try:
result = geocode_to_point_object(location) # result = (str, (Point object))
except (HTTPError, BadStatusLine):
raise StationBadRequest(request)
if result:
title = result[0]
geom = Point(result[1][0], result[1][1])
latitude = result[1][1]
longitude = result[1][0]
nearest = nearest_station_from_geo(geom)
if not nearest:
station = None
else:
if len(nearest) > 1:
station1 = nearest[0]
stations = list(Station.objects.filter(name=station1))
station2 = nearest[1]
stations.append(Station.objects.filter(name=station2))
stations = (stations[0], stations[1][0])
stations[0].geometry.transform(4326)
stations[1].geometry.transform(4326)
station = nearer_station(geom, stations)
else:
nearest = nearest[0]
station = Station.objects.filter(name=nearest) # a GeoQuerySet
station = station[0] # a Station
station.geometry.transform(4326)
if station:
exact_distance = distance.distance((latitude, longitude), (station.latitude, station.longitude)) # geopy.distance.VincentyDistance
#log.debug('Location is %s meters from %s', exact_distance.meters, station.name)
exact_distance_in_feet = exact_distance.ft
exact_distance_in_meters = str(exact_distance.meters)
exact_distance_in_meters = exact_distance_in_meters[:exact_distance_in_meters.rfind('.')]
exact_distance_in_feet = str(exact_distance.feet)
exact_distance_in_feet = exact_distance_in_feet[:exact_distance_in_feet.rfind('.')]
else:
raise Exception("Got an error for %s ." % escape(result[0]))
else:
raise Exception("Unknown geocoding error. Please try another address.")
else:
if request.method == 'GET':
station_form = StationForm()
return render_to_response(template_name, {
"form": station_form
}, context_instance=RequestContext(request))
return render_to_response("stations/checkin.html", {
'name': address,
'station': station,
'geom': geom,
'title': title,
#'distance_in_meters':exact_distance_in_meters,
'distance_in_feet':exact_distance_in_feet,
}, context_instance=RequestContext(request))