def get_trip_results(request, trip_id):
"""Display results for a trip.
"""
trip = get_object_or_404(Trip, pk=trip_id, user=request.user)
#get the trip search details
(offer_radius, demand_radius, interval_min, interval_max, route,
departure_point, arrival_point) = get_trip_search_details(request)
if trip.offer and (route is None or route.geom_type != 'MultiLineString'):
raise Http404
today = datetime.date.today()
if trip.demand:
trip_offers = Trip.objects.get_offers(departure_point, arrival_point, demand_radius).exclude(pk=trip.id)
trip_offers = trip_offers.get_mark_details()
if trip.regular:
trip_offers = trip_offers.filter_dows(trip.dows)
else:
trip_offers = trip_offers.filter_date_interval(trip.date, interval_min, interval_max)
trip_offers = trip_offers.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_offers = trip_offers.exclude(user=request.user)
# ordering and limit
trip_offers = trip_offers.order_by('-pourcentage_rank')[:_MAX_TRIP]
trip_offers = sort_offers(trip_offers, trip.date, interval_min, interval_max, trip=trip)
if trip.offer:
trip_demands = Trip.objects.get_demands(route, get_direction_route(route), offer_radius).exclude(pk=trip.id)
trip_demands = trip_demands.get_mark_details()
if trip.regular:
trip_demands = trip_demands.filter_dows(trip.dows)
else:
trip_demands = trip_demands.filter_date_interval(trip.date, interval_min, interval_max)
trip_demands = trip_demands.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_demands = trip_demands.exclude(user=request.user)
# ordering and limit
trip_demands = trip_demands.order_by('-pourcentage_rank')[:_MAX_TRIP]
trip_demands = sort_demands(trip_demands, trip.date, interval_min, interval_max, trip=trip)
response_dict = {
'authenticated': request.user.is_authenticated(),
'trip_offers': [get_trip_dict(t) for t in trip_offers] if trip.demand else None,
'trip_demands': [get_trip_dict(t) for t in trip_demands] if trip.offer else None,
}
resp = HttpResponse()
simplejson.dump(response_dict , resp, ensure_ascii=False, separators=(',',':'))
return resp
def save(self):
"""Save the offer.
Serialize the checkpoint list, compute the simple route, the direction
route and call the save() method of the parent class
"""
# dump the checkpoint list into a pickle value
self.checkpoints = pickle.dumps(self.steps)
# calculate a simple route for sql queries and map display
simple_route = get_simple_route(self.route)
if isinstance(simple_route, LineString):
self.simple_route = MultiLineString([simple_route])
else:
self.simple_route = simple_route
# calculate a simple route for direction calculation
if simple_route.num_points <= MAX_NUM_POINTS:
self.direction_route = get_direction_route(simple_route)
else:
self.direction_route = get_direction_route(self.route)
super(TripOffer, self).save()
def save(self):
"""Save the offer.
Serialize the checkpoint list, compute the simple route, the direction
route and call the save() method of the parent class
"""
# dump the checkpoint list into a pickle value
self.checkpoints = pickle.dumps(self.steps)
# calculate a simple route for sql queries and map display
simple_route = get_simple_route(self.route)
if isinstance(simple_route, LineString):
self.simple_route = MultiLineString([simple_route])
else:
self.simple_route = simple_route
# calculate a simple route for direction calculation
if simple_route.num_points <= MAX_NUM_POINTS:
self.direction_route = get_direction_route(simple_route)
else:
self.direction_route = get_direction_route(self.route)
super(TripOffer, self).save()
def list_trips_by_type(self, offer_details, demand_details, user,
trip_type, maximum):
"""Return a list of trips, for the trip_type given in parameter
If trip_type is not contained in TRIPOFFER or TRIPDEMAND, raise a
InvalidTripType exception
"""
if trip_type == self.TRIPOFFER:
# search for offers
(radius, date, interval_min, interval_max, departure_point,
arrival_point) = offer_details
elif trip_type == self.TRIPDEMAND:
#search for demands
(radius, date, interval_min, interval_max, route, departure_point,
arrival_point) = demand_details
if route is None or route.geom_type != 'LineString':
raise InvalidGeometry(
"the demand geometry type must be a LineString")
else:
raise InvalidTripType()
if trip_type == self.TRIPOFFER:
trips = Trip.objects.get_offers(departure_point, arrival_point,
radius)
else:
trips = Trip.objects.get_demands(route, get_direction_route(route),
radius)
trips = trips.get_mark_details()
# adding common date clause
trips = trips.filter_date_interval(date, interval_min,
interval_max).exclude_outdated()
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS and user.is_authenticated():
trips = trips.exclude(user=user)
# ordering and limit
trips = trips.order_by('-pourcentage_rank')[:maximum]
if trip_search_type == self.TRIPOFFER:
trips = sort_offers(trips, date, interval_min, interval_max)
else:
trips = sort_demands(trips, date, interval_min, interval_max)
return trips
def list_trips_by_type(self, offer_details, demand_details, user, trip_type, maximum):
"""Return a list of trips, for the trip_type given in parameter
If trip_type is not contained in TRIPOFFER or TRIPDEMAND, raise a
InvalidTripType exception
"""
if trip_type == self.TRIPOFFER:
# search for offers
(radius, date, interval_min, interval_max, departure_point,
arrival_point) = offer_details
elif trip_type == self.TRIPDEMAND:
#search for demands
(radius, date, interval_min, interval_max, route, departure_point,
arrival_point) = demand_details
if route is None or route.geom_type != 'LineString':
raise InvalidGeometry("the demand geometry type must be a LineString")
else:
raise InvalidTripType()
if trip_type == self.TRIPOFFER:
trips = Trip.objects.get_offers(departure_point, arrival_point, radius)
else:
trips = Trip.objects.get_demands(route, get_direction_route(route), radius)
trips = trips.get_mark_details()
# adding common date clause
trips = trips.filter_date_interval(date, interval_min, interval_max).exclude_outdated()
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS and user.is_authenticated():
trips = trips.exclude(user=user)
# ordering and limit
trips = trips.order_by('-pourcentage_rank')[:maximum]
if trip_search_type == self.TRIPOFFER:
trips = sort_offers(trips, date, interval_min, interval_max)
else:
trips = sort_demands(trips, date, interval_min, interval_max)
return trips
def get_trip_results(request, trip_id):
"""Display results for a trip.
"""
trip = get_object_or_404(Trip, pk=trip_id, user=request.user)
# get the trip search details
(
offer_radius,
demand_radius,
interval_min,
interval_max,
route,
departure_point,
arrival_point,
) = get_trip_search_details(request)
if trip.offer and (route is None or route.geom_type != "MultiLineString"):
raise Http404
today = datetime.date.today()
if trip.demand:
trip_offers = Trip.objects.get_offers(departure_point, arrival_point, demand_radius).exclude(pk=trip.id)
trip_offers = trip_offers.get_mark_details()
if trip.regular:
trip_offers = trip_offers.filter_dows(trip.dows)
else:
trip_offers = trip_offers.filter_date_interval(trip.date, interval_min, interval_max)
trip_offers = trip_offers.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_offers = trip_offers.exclude(user=request.user)
# ordering and limit
trip_offers = trip_offers.order_by("-pourcentage_rank")[:_MAX_TRIP]
trip_offers = sort_offers(trip_offers, trip.date, interval_min, interval_max, trip=trip)
if trip.offer:
trip_demands = Trip.objects.get_demands(route, get_direction_route(route), offer_radius).exclude(pk=trip.id)
trip_demands = trip_demands.get_mark_details()
if trip.regular:
trip_demands = trip_demands.filter_dows(trip.dows)
else:
trip_demands = trip_demands.filter_date_interval(trip.date, interval_min, interval_max)
trip_demands = trip_demands.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_demands = trip_demands.exclude(user=request.user)
# ordering and limit
trip_demands = trip_demands.order_by("-pourcentage_rank")[:_MAX_TRIP]
trip_demands = sort_demands(trip_demands, trip.date, interval_min, interval_max, trip=trip)
response_dict = {
"authenticated": request.user.is_authenticated(),
"trip_offers": [get_trip_dict(t) for t in trip_offers] if trip.demand else None,
"trip_demands": [get_trip_dict(t) for t in trip_demands] if trip.offer else None,
}
resp = HttpResponse()
simplejson.dump(response_dict, resp, ensure_ascii=False, separators=(",", ":"))
return resp
def get_trip_results(self,
is_offer=None,
is_demand=None,
offer_radius=None,
demand_radius=None,
date=None,
interval_min=None,
interval_max=None,
is_regular=None,
dows=None,
offer_route=None,
departure_point=None,
arrival_point=None,
max_trips=None,
trip_id=None,
user=None):
"""Return a list containing the trip object, trip_offers and
trip_demands matching given criterias.
"""
# vars initialisation
max_trips = max_trips or self.MAX_TRIPS
trip = None
trip_offers = None
trip_demands = None
if trip_id and user:
# return matching trips with an already existing search
try:
trip = Trip.objects.get(pk=int(trip_id), user=user)
except Trip.DoesNotExist:
raise InvalidUser(user)
if is_offer or trip.offer:
is_offer = is_offer or True
offer_radius = offer_radius or trip.offer.radius
offer_route = offer_route or trip.offer.route
if (is_demand or trip.demand):
is_demand = is_demand or True
demand_radius = demand_radius or trip.demand.radius
is_regular = is_regular or trip.regular
date = date or trip.date
dows = dows or trip.dows
interval_min = interval_min or trip.interval_min
interval_max = interval_max or trip.interval_max
departure_point = departure_point or trip.departure_point
arrival_point = arrival_point or trip.arrival_point
if is_offer:
offer_radius = offer_radius or self.OFFER_RADIUS
if trip_id:
if offer_route is None or offer_route.geom_type != 'MultiLineString':
raise InvalidGeometry("The trip offer route geometry is " \
"required and need to be a 'MultiLineString'. You gave us " \
"a '%(type)s' instead." % {
'type': "None" if offer_route is None else offer_route.geom_type
})
else:
if offer_route is None or offer_route.geom_type != 'LineString':
raise InvalidGeometry("The trip offer route geometry is " \
"required and need to be a 'LineString'. You gave us " \
"a '%(type)s' instead." % {
'type': "None" if offer_route is None else offer_route.geom_type
})
if is_demand:
demand_radius = demand_radius or self.DEMAND_RADIUS
interval_min = interval_min or self.INTERVAL_MIN
interval_max = interval_max or self.INTERVAL_MAX
today = datetime.date.today()
date = date or today
if is_demand:
trip_offers = Trip.objects.get_offers(departure_point,
arrival_point, demand_radius)
if trip_id:
trip_offers = trip_offers.exclude(pk=trip_id)
trip_offers = trip_offers.get_mark_details()
if is_regular:
trip_offers = trip_offers.filter_dows(dows)
else:
trip_offers = trip_offers.filter_date_interval(
date, interval_min, interval_max)
trip_offers = trip_offers.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_offers = trip_offers.exclude(user=user)
# ordering and limit
trip_offers = trip_offers.order_by('-pourcentage_rank')[:max_trips]
trip_offers = sort_offers(trip_offers,
date,
interval_min,
interval_max,
trip=trip)
if is_offer:
trip_demands = Trip.objects.get_demands(
offer_route, get_direction_route(offer_route), offer_radius)
if trip_id:
trip_demands = trip_demands.exclude(pk=trip_id)
trip_demands = trip_demands.get_mark_details()
if is_regular:
trip_demands = trip_demands.filter_dows(dows)
else:
trip_demands = trip_demands.filter_date_interval(
date, interval_min, interval_max)
trip_demands = trip_demands.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_demands = trip_demands.exclude(user=user)
# ordering and limit
trip_demands = trip_demands.order_by(
'-pourcentage_rank')[:max_trips]
trip_demands = sort_demands(trip_demands,
date,
interval_min,
interval_max,
trip=trip)
return {
'trip': trip,
'trip_demands': trip_demands,
'trip_offers': trip_offers,
}
def get_trip_results(self, is_offer=None, is_demand=None, offer_radius=None,
demand_radius=None, date=None, interval_min=None, interval_max=None,
is_regular=None, dows=None, offer_route=None, departure_point=None,
arrival_point=None, max_trips=None, trip_id=None, user=None):
"""Return a list containing the trip object, trip_offers and
trip_demands matching given criterias.
"""
# vars initialisation
max_trips = max_trips or self.MAX_TRIPS
trip = None
trip_offers = None
trip_demands = None
if trip_id and user:
# return matching trips with an already existing search
try:
trip = Trip.objects.get(pk=int(trip_id), user=user)
except Trip.DoesNotExist:
raise InvalidUser(user)
if is_offer or trip.offer:
is_offer = is_offer or True
offer_radius = offer_radius or trip.offer.radius
offer_route = offer_route or trip.offer.route
if (is_demand or trip.demand):
is_demand = is_demand or True
demand_radius = demand_radius or trip.demand.radius
is_regular = is_regular or trip.regular
date = date or trip.date
dows = dows or trip.dows
interval_min = interval_min or trip.interval_min
interval_max = interval_max or trip.interval_max
departure_point = departure_point or trip.departure_point
arrival_point = arrival_point or trip.arrival_point
if is_offer:
offer_radius = offer_radius or self.OFFER_RADIUS
if trip_id:
if offer_route is None or offer_route.geom_type != 'MultiLineString':
raise InvalidGeometry("The trip offer route geometry is " \
"required and need to be a 'MultiLineString'. You gave us " \
"a '%(type)s' instead." % {
'type': "None" if offer_route is None else offer_route.geom_type
})
else:
if offer_route is None or offer_route.geom_type != 'LineString':
raise InvalidGeometry("The trip offer route geometry is " \
"required and need to be a 'LineString'. You gave us " \
"a '%(type)s' instead." % {
'type': "None" if offer_route is None else offer_route.geom_type
})
if is_demand:
demand_radius = demand_radius or self.DEMAND_RADIUS
interval_min = interval_min or self.INTERVAL_MIN
interval_max = interval_max or self.INTERVAL_MAX
today = datetime.date.today()
date = date or today
if is_demand:
trip_offers = Trip.objects.get_offers(departure_point, arrival_point, demand_radius)
if trip_id:
trip_offers = trip_offers.exclude(pk=trip_id)
trip_offers = trip_offers.get_mark_details()
if is_regular:
trip_offers = trip_offers.filter_dows(dows)
else:
trip_offers = trip_offers.filter_date_interval(date, interval_min, interval_max)
trip_offers = trip_offers.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_offers = trip_offers.exclude(user=user)
# ordering and limit
trip_offers = trip_offers.order_by('-pourcentage_rank')[:max_trips]
trip_offers = sort_offers(trip_offers, date, interval_min, interval_max, trip=trip)
if is_offer:
trip_demands = Trip.objects.get_demands(offer_route, get_direction_route(offer_route), offer_radius)
if trip_id:
trip_demands = trip_demands.exclude(pk=trip_id)
trip_demands = trip_demands.get_mark_details()
if is_regular:
trip_demands = trip_demands.filter_dows(dows)
else:
trip_demands = trip_demands.filter_date_interval(date, interval_min, interval_max)
trip_demands = trip_demands.exclude_outdated(today)
# exclude my trips ?
if settings.EXCLUDE_MY_TRIPS:
trip_demands = trip_demands.exclude(user=user)
# ordering and limit
trip_demands = trip_demands.order_by('-pourcentage_rank')[:max_trips]
trip_demands = sort_demands(trip_demands, date, interval_min, interval_max, trip=trip)
return{
'trip': trip,
'trip_demands': trip_demands,
'trip_offers': trip_offers,
}
