203 lines
8.2 KiB
Python
203 lines
8.2 KiB
Python
"""Establishment app views."""
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from django.conf import settings
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from django.contrib.gis.geos import Point
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from django.shortcuts import get_object_or_404
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from rest_framework import generics, permissions
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from comment import models as comment_models
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from establishment import filters
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from establishment import models, serializers
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from establishment.views import EstablishmentMixin
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from main import methods
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from main.models import MetaDataContent
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from timetable.serialziers import ScheduleRUDSerializer, ScheduleCreateSerializer
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from utils.pagination import EstablishmentPortionPagination
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class EstablishmentListView(EstablishmentMixin, generics.ListAPIView):
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"""Resource for getting a list of establishments."""
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serializer_class = serializers.EstablishmentListSerializer
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filter_class = filters.EstablishmentFilter
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def get_queryset(self):
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"""Overridden method 'get_queryset'."""
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qs = super(EstablishmentListView, self).get_queryset()
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return qs.by_country_code(code=self.request.country_code) \
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.annotate_in_favorites(user=self.request.user)
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class EstablishmentRecentReviewListView(EstablishmentListView):
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"""List view for last reviewed establishments."""
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pagination_class = EstablishmentPortionPagination
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def get_queryset(self):
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"""Overridden method 'get_queryset'."""
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qs = super().get_queryset()
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user_ip = methods.get_user_ip(self.request)
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query_params = self.request.query_params
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if 'longitude' in query_params and 'latitude' in query_params:
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longitude, latitude = query_params.get('longitude'), query_params.get('latitude')
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else:
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longitude, latitude = methods.determine_coordinates(user_ip)
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if not longitude or not latitude:
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return qs.none()
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point = Point(x=float(longitude), y=float(latitude), srid=settings.GEO_DEFAULT_SRID)
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return qs.last_reviewed(point=point)
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class EstablishmentSimilarListView(EstablishmentListView):
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"""Resource for getting a list of establishments."""
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serializer_class = serializers.EstablishmentListSerializer
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pagination_class = EstablishmentPortionPagination
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def get_queryset(self):
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"""Override get_queryset method"""
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qs = super().get_queryset()
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return qs.similar(establishment_slug=self.kwargs.get('slug'))
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class EstablishmentRetrieveView(EstablishmentMixin, generics.RetrieveAPIView):
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"""Resource for getting a establishment."""
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lookup_field = 'slug'
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serializer_class = serializers.EstablishmentDetailSerializer
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def get_queryset(self):
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"""Override 'get_queryset' method."""
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return super(EstablishmentRetrieveView, self).get_queryset() \
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.annotate_in_favorites(self.request.user)
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class EstablishmentTypeListView(generics.ListAPIView):
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"""Resource for getting a list of establishment types."""
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permission_classes = (permissions.AllowAny,)
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serializer_class = serializers.EstablishmentTypeSerializer
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queryset = models.EstablishmentType.objects.all()
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class EstablishmentCommentCreateView(generics.CreateAPIView):
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"""View for create new comment."""
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lookup_field = 'slug'
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serializer_class = serializers.EstablishmentCommentCreateSerializer
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queryset = comment_models.Comment.objects.all()
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class EstablishmentCommentListView(generics.ListAPIView):
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"""View for return list of establishment comments."""
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permission_classes = (permissions.AllowAny,)
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serializer_class = serializers.EstablishmentCommentCreateSerializer
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def get_queryset(self):
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"""Override get_queryset method"""
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establishment = get_object_or_404(models.Establishment, slug=self.kwargs['slug'])
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return comment_models.Comment.objects.by_content_type(app_label='establishment',
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model='establishment')\
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.by_object_id(object_id=establishment.pk)\
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.order_by('-created')
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class EstablishmentCommentRUDView(generics.RetrieveUpdateDestroyAPIView):
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"""View for retrieve/update/destroy establishment comment."""
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serializer_class = serializers.EstablishmentCommentRUDSerializer
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queryset = models.Establishment.objects.all()
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def get_object(self):
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"""
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Returns the object the view is displaying.
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"""
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queryset = self.filter_queryset(self.get_queryset())
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establishment_obj = get_object_or_404(queryset,
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slug=self.kwargs['slug'])
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comment_obj = get_object_or_404(establishment_obj.comments.by_user(self.request.user),
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pk=self.kwargs['comment_id'])
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# May raise a permission denied
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self.check_object_permissions(self.request, comment_obj)
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return comment_obj
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class EstablishmentFavoritesCreateDestroyView(generics.CreateAPIView, generics.DestroyAPIView):
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"""View for create/destroy establishment from favorites."""
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serializer_class = serializers.EstablishmentFavoritesCreateSerializer
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lookup_field = 'slug'
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def get_object(self):
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"""
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Returns the object the view is displaying.
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"""
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establishment_obj = get_object_or_404(models.Establishment,
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slug=self.kwargs['slug'])
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obj = get_object_or_404(
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self.request.user.favorites.by_content_type(app_label='establishment',
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model='establishment')
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.by_object_id(object_id=establishment_obj.pk))
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# May raise a permission denied
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self.check_object_permissions(self.request, obj)
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return obj
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class EstablishmentNearestRetrieveView(EstablishmentListView, generics.ListAPIView):
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"""Resource for getting list of nearest establishments."""
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serializer_class = serializers.EstablishmentListSerializer
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filter_class = filters.EstablishmentFilter
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def get_queryset(self):
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"""Overridden method 'get_queryset'."""
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lat = self.request.query_params.get('lat')
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lon = self.request.query_params.get('lon')
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radius = self.request.query_params.get('radius')
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unit = self.request.query_params.get('unit')
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qs = super(EstablishmentNearestRetrieveView, self).get_queryset()
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if lat and lon and radius and unit:
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center = Point(float(lat), float(lon))
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filter_kwargs = {'center': center, 'radius': float(radius), 'unit': unit}
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return qs.by_distance_from_point(**{k: v for k, v in filter_kwargs.items()
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if v is not None})
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return qs
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class EstablishmentTagListView(generics.ListAPIView):
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"""List view for establishment tags."""
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serializer_class = serializers.EstablishmentTagListSerializer
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permission_classes = (permissions.AllowAny,)
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pagination_class = None
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def get_queryset(self):
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"""Override get_queryset method"""
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return MetaDataContent.objects.by_content_type(app_label='establishment',
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model='establishment')\
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.distinct('metadata__label')
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class EstablishmentScheduleRUDView(generics.RetrieveUpdateDestroyAPIView):
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"""Establishment schedule RUD view"""
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serializer_class = ScheduleRUDSerializer
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def get_object(self):
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"""
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Returns the object the view is displaying.
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"""
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establishment_pk = self.kwargs['pk']
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schedule_id = self.kwargs['schedule_id']
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establishment = get_object_or_404(klass=models.Establishment.objects.all(),
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pk=establishment_pk)
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schedule = get_object_or_404(klass=establishment.schedule,
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id=schedule_id)
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# May raise a permission denied
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self.check_object_permissions(self.request, establishment)
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self.check_object_permissions(self.request, schedule)
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return schedule
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class EstablishmentScheduleCreateView(generics.CreateAPIView):
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"""Establishment schedule Create view"""
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serializer_class = ScheduleCreateSerializer
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