def get_taxi_assignment(cls, taxi_number, station_id):
"""
returns the uuid for the ride the taxi is assigned to
"""
logging.info("isr_proxy get assignment for taxi #%s (station %s)" % (taxi_number, station_id))
if not taxi_number:
return None
key = cls._get_key_for_taxi_and_station(taxi_number, station_id)
ride_uuid = memcache.get(key, namespace=cls.NAMESPACE)
if not ride_uuid: # try from db (maybe memcache was flushed)
try:
station = Station.objects.get(fleet_station_id=station_id)
isrproxy_fm = first(lambda fm: fm.backend == ISRProxy, FleetManager.objects.all())
isrproxy_ongoing_rides = fleet_manager.get_ongoing_rides(backend=isrproxy_fm)
ride = first(lambda r: r.taxi_number == taxi_number and r.station == station, isrproxy_ongoing_rides)
if ride:
ride_uuid = ride.uuid
else:
logging.warning(u"no ongoing ride found for station %s and taxi %s" % (station, taxi_number))
except Station.DoesNotExist, e:
logging.error("station with fleet id %s not found" % station_id)
except IndexError, e:
logging.error("isr_proxy fleet manager does not exist in db")
def update_ride_add_order(ride, ride_data, new_order):
# important:
# connect new_order to ride ONLY AFTER update_ride is done.
# If not, new_order will turn up in ride.orders.all() queries which doesn't reflect the state of the ride prior to joining
update_ride(ride, ride_data, new_order=new_order)
# create or update points for the new order
for point_data in [ride_data.order_pickup_point(NEW_ORDER_ID), ride_data.order_dropoff_point(NEW_ORDER_ID)]:
if len(point_data.order_ids) == 1: # new point
point = create_ride_point(ride, point_data)
else: # find existing point
existing_order_id = first(lambda id: id != NEW_ORDER_ID, point_data.order_ids)
existing_order = Order.by_id(existing_order_id)
point = existing_order.pickup_point if point_data.stop_type == StopType.PICKUP else existing_order.dropoff_point
logging.info("joining existing point %s" % point.id)
if point_data.stop_type == StopType.PICKUP:
new_order.pickup_point = point
else:
new_order.dropoff_point = point
new_order.price_data = ride_data.order_price_data(NEW_ORDER_ID)
new_order.ride = ride
new_order.save()
def get_order_point(self, point_type, order_id):
"""
@param point_type: AlgoField.PICKUP or AlgoField.DROPOFF
@param order_id: order id to look up
@return: a PointData object for the point data of the given order id. If order id is not found returns None
"""
raw_point_data = first(lambda p: order_id in p[AlgoField.ORDER_IDS] and p[AlgoField.TYPE] == point_type, self.raw_ride_data[AlgoField.RIDE_POINTS])
return PointData(raw_point_data) if raw_point_data else None
def get_order_point(self, point_type, order_id):
"""
@param point_type: AlgoField.PICKUP or AlgoField.DROPOFF
@param order_id: order id to look up
@return: a PointData object for the point data of the given order id. If order id is not found returns None
"""
raw_point_data = first(
lambda p: order_id in p[AlgoField.ORDER_IDS] and p[AlgoField.TYPE]
== point_type, self.raw_ride_data[AlgoField.RIDE_POINTS])
return PointData(raw_point_data) if raw_point_data else None
def create_order(order_settings, passenger, ride=None, discount_data=None):
"""
Returns a created Order or None
@param order_settings:
@param passenger:
@param ride:
@param discount_data: a DiscountData instance
@return:
"""
ride_id = ride.id if ride else NEW_ORDER_ID
# get ride data from algo: don't trust the client
candidates = [ride] if ride else []
matching_rides = get_matching_rides(candidates, order_settings)
ride_data = first(lambda match: match.ride_id == ride_id, matching_rides)
if not ride_data:
return None
order = Order.fromOrderSettings(order_settings, passenger, commit=False)
if ride: # if joining a ride, order departure is as shown in offer, not what was submitted in order_settings
ride_departure = compute_new_departure(ride, ride_data)
new_order_pickup_point = ride_data.order_pickup_point(NEW_ORDER_ID)
order.depart_time = ride_departure + datetime.timedelta(seconds=new_order_pickup_point.offset)
if order_settings.private:
order.type = OrderType.PRIVATE
else:
order.type = OrderType.SHARED
order.price_data = ride_data.order_price_data(NEW_ORDER_ID)
if discount_data:
order = apply_discount_data(order, order_settings, discount_data)
if not order:
return None
order.save()
logging.info("created new %s order [%s]" % (OrderType.get_name(order.type), order.id))
billing_trx = BillingTransaction(order=order, amount=order.get_billing_amount(), debug=order.debug)
billing_trx.save()
billing_trx.commit(callback_args={
"ride_id": ride_id,
"ride_data": ride_data,
"discount_data": DiscountData.dump(discount_data)
})
return order
def get_taxi_assignment(cls, taxi_number, station_id):
"""
returns the uuid for the ride the taxi is assigned to
"""
logging.info("isr_proxy get assignment for taxi #%s (station %s)" %
(taxi_number, station_id))
if not taxi_number:
return None
key = cls._get_key_for_taxi_and_station(taxi_number, station_id)
ride_uuid = memcache.get(key, namespace=cls.NAMESPACE)
if not ride_uuid: # try from db (maybe memcache was flushed)
try:
station = Station.objects.get(fleet_station_id=station_id)
isrproxy_fm = first(lambda fm: fm.backend == ISRProxy,
FleetManager.objects.all())
isrproxy_ongoing_rides = fleet_manager.get_ongoing_rides(
backend=isrproxy_fm)
ride = first(
lambda r: r.taxi_number == taxi_number and r.station ==
station, isrproxy_ongoing_rides)
if ride:
ride_uuid = ride.uuid
else:
logging.warning(
u"no ongoing ride found for station %s and taxi %s" %
(station, taxi_number))
except Station.DoesNotExist, e:
logging.error("station with fleet id %s not found" %
station_id)
except IndexError, e:
logging.error("isr_proxy fleet manager does not exist in db")
def get_previous_rides(request, passenger):
data = []
orders = passenger.orders.filter(depart_time__lt=utc_now(), status__in=ORDER_SUCCESS_STATUS).order_by('-depart_time')
orders = orders.filter(type__in=[OrderType.PRIVATE, OrderType.SHARED])[:PREVIOUS_RIDES_TO_DISPLAY]
seen_rides = []
for order in orders:
ride = order.ride
if not ride:
logging.error("order [%s] not valid for previous rides (order.ride is None" % order.id)
continue
if ride in seen_rides:
continue # skip duplicates (in case ride has multiple orders by same passenger)
seen_rides.append(ride)
ride_orders = ride.orders.all()
ride_mates_orders = filter(lambda o: o != order, ride_orders)
ride_mates = [{'name': mate_order.passenger.name, 'picture_url': mate_order.passenger.picture_url}
for mate_order in ride_mates_orders for seat in range(order.num_seats)]
dispatching_event = first(lambda e: e.taxi_id, ride.events.all())
ride_data = {
"order_id": order.id,
"pickup_time": to_js_date(order.pickup_point.stop_time),
"passengers": ride_mates,
"seats_left": MAX_SEATS - sum([o.num_seats for o in ride_orders]),
"your_seats": order.num_seats,
"taxi_number": dispatching_event.taxi_id if dispatching_event else None,
"station_name": ride.station.name if ride.station else WAYBETTER_STATION_NAME,
"price": order.get_billing_amount(),
"price_alone": order.price_alone,
"billing_status": ugettext_lazy(order.get_status_display().title()),
"pickup": order.from_raw,
"dropoff": order.to_raw,
"is_private": order.type == OrderType.PRIVATE,
"comment": ""
}
data.append(ride_data)
return JSONResponse(data)
