238 lines
11 KiB
Python
238 lines
11 KiB
Python
from datetime import datetime, timedelta, date
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from django.db.models import F, Q, Value
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from django.utils.decorators import method_decorator
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from django.views.decorators.cache import cache_control
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from django.views.decorators.http import last_modified
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from django_filters.rest_framework import DjangoFilterBackend
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from rest_framework import viewsets
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from rest_framework.filters import OrderingFilter, SearchFilter
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from sncf.api.serializers import AgencySerializer, StopSerializer, RouteSerializer, TripSerializer, \
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StopTimeSerializer, CalendarSerializer, CalendarDateSerializer, TransferSerializer, \
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FeedInfoSerializer, TripUpdateSerializer, StopTimeUpdateSerializer
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from sncfgtfs.models import Agency, Stop, Route, Trip, StopTime, Calendar, CalendarDate, \
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Transfer, FeedInfo, TripUpdate, StopTimeUpdate
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CACHE_CONTROL = cache_control(max_age=7200)
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LAST_MODIFIED = last_modified(lambda *args, **kwargs: datetime.fromisoformat(FeedInfo.objects.get().version))
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class AgencyViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = Agency.objects.all()
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serializer_class = AgencySerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class StopViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = Stop.objects.all()
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serializer_class = StopSerializer
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filter_backends = [DjangoFilterBackend, SearchFilter]
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filterset_fields = '__all__'
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search_fields = ['name',]
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class RouteViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = Route.objects.all()
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serializer_class = RouteSerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class TripViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = Trip.objects.all()
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serializer_class = TripSerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class StopTimeViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = StopTime.objects.order_by('id').all()
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serializer_class = StopTimeSerializer
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filter_backends = [DjangoFilterBackend, OrderingFilter]
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filterset_fields = '__all__'
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ordering_fields = ['arrival_time', 'departure_time', 'stop_sequence', ]
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ordering = ['stop_sequence', ]
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class CalendarViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = Calendar.objects.all()
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serializer_class = CalendarSerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class CalendarDateViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = CalendarDate.objects.all()
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serializer_class = CalendarDateSerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class TransferViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = Transfer.objects.all()
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serializer_class = TransferSerializer
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filter_backends = [DjangoFilterBackend]
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@method_decorator(name='list', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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@method_decorator(name='retrieve', decorator=[CACHE_CONTROL, LAST_MODIFIED])
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class FeedInfoViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = FeedInfo.objects.all()
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serializer_class = FeedInfoSerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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class TripUpdateViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = TripUpdate.objects.all()
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serializer_class = TripUpdateSerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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class StopTimeUpdateViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = StopTimeUpdate.objects.all()
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serializer_class = StopTimeUpdateSerializer
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filter_backends = [DjangoFilterBackend]
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filterset_fields = '__all__'
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class NextDeparturesViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = StopTime.objects.none()
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serializer_class = StopTimeSerializer
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filter_backends = [DjangoFilterBackend]
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def get_queryset(self):
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now = datetime.now()
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stop_id = self.request.query_params.get('stop_id', None)
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stop_name = self.request.query_params.get('stop_name', None)
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query_date = date.fromisoformat(self.request.query_params.get('date', now.date().isoformat()))
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query_time = self.request.query_params.get('time', now.time().isoformat(timespec='seconds'))
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query_time = timedelta(seconds=int(query_time[:2]) * 3600
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+ int(query_time[3:5]) * 60
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+ (int(query_time[6:]) if len(query_time) > 6 else 0))
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yesterday = query_date - timedelta(days=1)
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time_yesterday = query_time + timedelta(days=1)
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tomorrow = query_date + timedelta(days=1)
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stop_filter = Q(stop__location_type=0)
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if stop_id:
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stop = Stop.objects.get(id=stop_id)
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stops = Stop.objects.filter(Q(id=stop_id)
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| Q(parent_station=stop_id))
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if stop.location_type == 0:
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stops |= Stop.objects.filter(parent_station=stop.parent_station_id)
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stop_filter = Q(stop__in=stops.values_list('id', flat=True))
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elif stop_name:
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stops = Stop.objects.filter(name__iexact=stop_name).values_list('id', flat=True)
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stop_filter = Q(stop__in=stops)
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def calendar_filter(d: date):
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return Q(trip__service_id__in=CalendarDate.objects.filter(date=d, exception_type=1)
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.values_list('service_id')) \
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| Q(trip__service_id__in=Calendar.objects.filter(
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start_date__lte=d,
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end_date__gte=d,
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**{f"{d:%A}".lower(): True})
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.filter(~Q(id__in=CalendarDate.objects.filter(date=d, exception_type=2)
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.values_list('service_id', flat=True)))
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.values_list('id'))
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qs_today = StopTime.objects.filter(stop_filter) \
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.filter(Q(departure_time__gte=query_time, pickup_type=0), calendar_filter(query_date)) \
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.annotate(departure_date=Value(query_date)) \
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.annotate(departure_time_24h=F('departure_time'))
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qs_yesterday = StopTime.objects.filter(stop_filter) \
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.filter(Q(departure_time__gte=time_yesterday, pickup_type=0), calendar_filter(yesterday)) \
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.annotate(departure_date=Value(yesterday)) \
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.annotate(departure_time_24h=F('departure_time') - timedelta(days=1))
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qs_tomorrow = StopTime.objects.filter(stop_filter) \
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.filter(Q(departure_time__gte=timedelta(0), pickup_type=0), calendar_filter(tomorrow)) \
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.annotate(departure_date=Value(tomorrow)) \
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.annotate(departure_time_24h=F('departure_time') + timedelta(days=1))
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return qs_today.union(qs_yesterday).union(qs_tomorrow).order_by("departure_time_24h").all()
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class NextArrivalsViewSet(viewsets.ReadOnlyModelViewSet):
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queryset = StopTime.objects.none()
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serializer_class = StopTimeSerializer
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filter_backends = [DjangoFilterBackend]
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def get_queryset(self):
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now = datetime.now()
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stop_id = self.request.query_params.get('stop_id', None)
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stop_name = self.request.query_params.get('stop_name', None)
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query_date = date.fromisoformat(self.request.query_params.get('date', now.date().isoformat()))
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query_time = self.request.query_params.get('time', now.time().isoformat(timespec='seconds'))
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query_time = timedelta(seconds=int(query_time[:2]) * 3600
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+ int(query_time[3:5]) * 60
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+ (int(query_time[6:]) if len(query_time) > 6 else 0))
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yesterday = query_date - timedelta(days=1)
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time_yesterday = query_time + timedelta(days=1)
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tomorrow = query_date + timedelta(days=1)
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stop_filter = Q(stop__location_type=0)
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if stop_id:
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stop = Stop.objects.get(id=stop_id)
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stops = Stop.objects.filter(Q(id=stop_id)
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| Q(parent_station=stop_id))
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if stop.location_type == 0:
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stops |= Stop.objects.filter(parent_station=stop.parent_station_id)
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stop_filter = Q(stop__in=stops.values_list('id', flat=True))
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elif stop_name:
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stops = Stop.objects.filter(name__iexact=stop_name).values_list('id', flat=True)
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stop_filter = Q(stop__in=stops)
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def calendar_filter(d: date):
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return Q(trip__service_id__in=CalendarDate.objects.filter(date=d, exception_type=1)
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.values_list('service_id')) \
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| Q(trip__service_id__in=Calendar.objects.filter(
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start_date__lte=d,
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end_date__gte=d,
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**{f"{d:%A}".lower(): True})
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.filter(~Q(id__in=CalendarDate.objects.filter(date=d, exception_type=2)
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.values_list('service_id', flat=True)))
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.values_list('id'))
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qs_today = StopTime.objects.filter(stop_filter) \
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.filter(Q(arrival_time__gte=query_time, drop_off_type=0), calendar_filter(query_date)) \
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.annotate(arrival_date=Value(query_date)) \
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.annotate(arrival_time_24h=F('arrival_time'))
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qs_yesterday = StopTime.objects.filter(stop_filter) \
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.filter(Q(arrival_time__gte=time_yesterday, drop_off_type=0), calendar_filter(yesterday)) \
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.annotate(arrival_date=Value(yesterday)) \
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.annotate(arrival_time_24h=F('arrival_time') - timedelta(days=1))
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qs_tomorrow = StopTime.objects.filter(stop_filter) \
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.filter(Q(arrival_time__gte=timedelta(0), drop_off_type=0), calendar_filter(tomorrow)) \
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.annotate(arrival_date=Value(tomorrow)) \
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.annotate(arrival_time_24h=F('arrival_time') + timedelta(days=1))
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return qs_today.union(qs_yesterday).union(qs_tomorrow).order_by("arrival_time_24h").all()
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