345 lines
15 KiB
Python
345 lines
15 KiB
Python
"""Tag views."""
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from django.conf import settings
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from rest_framework import generics, mixins, permissions, status, viewsets
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from rest_framework.decorators import action
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from rest_framework.response import Response
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from rest_framework.serializers import ValidationError
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from django.utils.translation import gettext_lazy as _
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from search_indexes import views as search_views
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from location.models import WineRegion
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from product.models import ProductType
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from tag import filters, models, serializers
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class ChosenTagsView(generics.ListAPIView, viewsets.GenericViewSet):
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pagination_class = None
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permission_classes = (permissions.AllowAny,)
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serializer_class = serializers.TagBaseSerializer
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filterset_class = filters.TagsFilterSet
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queryset = models.Tag.objects.all()
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def get_queryset(self):
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result_tags_ids = models.ChosenTagSettings.objects \
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.by_country_code(self.request.country_code) \
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.values('tag_id')
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return models.Tag.objects \
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.filter(id__in=result_tags_ids) \
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.order_by_priority()
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def list(self, request, *args, **kwargs):
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# TMP TODO remove it later
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# Временный хардкод для демонстрации > 15 ноября, потом удалить!
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queryset = self.filter_queryset(self.get_queryset())
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page = self.paginate_queryset(queryset)
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if page is not None:
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serializer = self.get_serializer(page, many=True)
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return self.get_paginated_response(serializer.data)
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serializer = self.get_serializer(queryset, many=True)
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result_list = serializer.data
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if request.query_params.get('type') and (settings.ESTABLISHMENT_CHOSEN_TAGS or settings.NEWS_CHOSEN_TAGS):
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ordered_list = settings.ESTABLISHMENT_CHOSEN_TAGS if request.query_params.get(
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'type') == 'establishment' else settings.NEWS_CHOSEN_TAGS
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result_list = sorted(result_list, key=lambda x: ordered_list.index(x['index_name']))
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return Response(result_list)
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# User`s views & viewsets
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class TagCategoryViewSet(mixins.ListModelMixin, viewsets.GenericViewSet):
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"""ViewSet for TagCategory model."""
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filterset_class = filters.TagCategoryFilterSet
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pagination_class = None
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permission_classes = (permissions.AllowAny,)
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queryset = models.TagCategory.objects.with_tags().with_base_related(). \
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distinct()
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serializer_class = serializers.TagCategoryBaseSerializer
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# User`s views & viewsets
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class FiltersTagCategoryViewSet(TagCategoryViewSet):
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"""ViewSet for TagCategory model."""
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serializer_class = serializers.FiltersTagCategoryBaseSerializer
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def list(self, request, *args, **kwargs):
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queryset = self.filter_queryset(self.get_queryset())
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serializer = self.get_serializer(queryset, many=True)
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result_list = serializer.data
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query_params = request.query_params
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params_type = query_params.get('type')
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if query_params.get('establishment_type'):
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params_type = query_params.get('establishment_type')
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elif query_params.get('product_type'):
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params_type = query_params.get('product_type')
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week_days = ("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")
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flags = ('toque_number', 'wine_region', 'works_noon', 'works_evening', 'works_now', 'works_at_weekday')
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filter_flags = {flag_name: False for flag_name in flags}
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additional_flags = []
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if params_type == 'restaurant':
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additional_flags += ['toque_number', 'works_noon', 'works_evening', 'works_now']
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elif params_type in ['winery', 'wine']:
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additional_flags += ['wine_region']
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elif params_type == 'artisan':
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additional_flags += ['works_now', 'works_at_weekday']
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for flag_name in additional_flags:
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filter_flags[flag_name] = True
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if filter_flags['toque_number']:
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toques = {
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"index_name": "toque_number",
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"label_translated": "Toques",
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"param_name": "toque_number__in",
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"filters": [{
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"id": toque_id,
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"index_name": "toque_%d" % toque_id,
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"label_translated": "Toque %d" % toque_id
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} for toque_id in range(6)]
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}
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result_list.append(toques)
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if request.query_params.get('product_type') == ProductType.WINE:
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wine_region_id = query_params.get('wine_region_id__in')
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if str(wine_region_id).isdigit():
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queryset = WineRegion.objects.filter(id=int(wine_region_id))
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else:
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queryset = WineRegion.objects.all()
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wine_regions = {
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"index_name": "wine_region",
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"label_translated": "Wine region",
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"param_name": "wine_region_id__in",
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"filters": [{
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"id": obj.id,
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"index_name": obj.name.lower().replace(' ', '_'),
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"label_translated": obj.name
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} for obj in queryset]
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}
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result_list.append(wine_regions)
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if filter_flags['works_noon']:
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works_noon = {
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"index_name": "works_noon",
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"label_translated": "Open noon",
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"param_name": "works_noon__in",
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"filters": [{
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"id": weekday,
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"index_name": week_days[weekday].lower(),
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"label_translated": week_days[weekday]
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} for weekday in range(7)]
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}
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result_list.append(works_noon)
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if filter_flags['works_evening']:
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works_evening = {
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"index_name": "works_evening",
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"label_translated": "Open evening",
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"param_name": "works_evening__in",
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"filters": [{
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"id": weekday,
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"index_name": week_days[weekday].lower(),
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"label_translated": week_days[weekday]
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} for weekday in range(7)]
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}
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result_list.append(works_evening)
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if filter_flags['works_now']:
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works_now = {
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"index_name": "open_now",
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"label_translated": "Open now",
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"param_name": "open_now",
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"type": True
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}
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result_list.append(works_now)
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if filter_flags['works_at_weekday']:
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works_at_weekday = {
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"index_name": "works_at_weekday",
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"label_translated": "Works at weekday",
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"param_name": "works_at_weekday__in",
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"filters": [{
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"id": weekday,
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"index_name": week_days[weekday].lower(),
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"label_translated": week_days[weekday]
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} for weekday in range(7)]
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}
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result_list.append(works_at_weekday)
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search_view_class = self.define_search_view_by_request(request)
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facets = search_view_class.as_view({'get': 'list'})(self.mutate_request(self.request)).data['facets']
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return Response(self.remove_empty_filters(result_list, facets))
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@staticmethod
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def mutate_request(request):
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"""Remove all filtering get params and remove s_ from the rest of them"""
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request.GET._mutable = True
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for name in request.query_params.copy().keys():
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value = request.query_params.pop(name)
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if name.startswith('s_'):
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request.query_params[name[2:]] = value[0]
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request.GET._mutable = False
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return request._request
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@staticmethod
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def define_search_view_by_request(request):
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request.GET._mutable = True
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if request.query_params.get('items'):
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items = request.query_params.pop('items')[0]
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else:
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raise ValidationError({'detail': _('Missing required "items" parameter')})
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item_to_class = {
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'news': search_views.NewsDocumentViewSet,
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'establishments': search_views.EstablishmentDocumentViewSet,
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'products': search_views.ProductDocumentViewSet,
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}
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klass = item_to_class.get(items)
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if klass is None:
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raise ValidationError({'detail': _('news/establishments/products')})
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request.GET._mutable = False
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return klass
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@staticmethod
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def remove_empty_filters(filters, facets):
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# parse facets
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if facets.get('_filter_tag'):
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tags_to_preserve = list(map(lambda el: el['key'], facets['_filter_tag']['tag']['buckets']))
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if facets.get('_filter_wine_colors'):
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wine_colors_to_preserve = list(map(lambda el: el['key'], facets['_filter_wine_colors']['wine_colors']['buckets']))
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if facets.get('_filter_wine_region_id'):
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wine_regions_to_preserve = list(map(lambda el: el['key'], facets['_filter_wine_region_id']['wine_region_id']['buckets']))
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if facets.get('_filter_toque_number'):
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toque_numbers = list(map(lambda el: el['key'], facets['_filter_toque_number']['toque_number']['buckets']))
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if facets.get('_filter_works_noon'):
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works_noon = list(map(lambda el: el['key'], facets['_filter_works_noon']['works_noon']['buckets']))
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if facets.get('_filter_works_evening'):
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works_evening = list(map(lambda el: el['key'], facets['_filter_works_evening']['works_evening']['buckets']))
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if facets.get('_filter_works_at_weekday'):
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works_at_weekday = list(map(lambda el: el['key'], facets['_filter_works_at_weekday']['works_at_weekday']['buckets']))
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if facets.get('_filter_works_now'):
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works_now = list(map(lambda el: el['key'], facets['_filter_works_now']['works_now']['buckets']))
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# remove empty filters
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for category in filters:
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param_name = category.get('param_name')
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if param_name == 'tags_id__in':
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category['filters'] = list(filter(lambda tag: tag['id'] in tags_to_preserve, category['filters']))
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elif param_name == 'wine_colors_id__in':
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category['filters'] = list(filter(lambda tag: tag['id'] in wine_colors_to_preserve, category['filters']))
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elif param_name == 'wine_region_id__in':
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category['filters'] = list(filter(lambda tag: tag['id'] in wine_regions_to_preserve, category['filters']))
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elif param_name == 'toque_number__in':
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category['filters'] = list(filter(lambda tag: tag['id'] in toque_numbers, category['filters']))
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elif param_name == 'works_noon__in':
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category['filters'] = list(filter(lambda tag: tag['id'] in works_noon, category['filters']))
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elif param_name == 'works_evening__in':
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category['filters'] = list(filter(lambda tag: tag['id'] in works_evening, category['filters']))
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elif param_name == 'works_at_weekday__in':
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category['filters'] = list(filter(lambda tag: tag['id'] in works_at_weekday, category['filters']))
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return filters
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# BackOffice user`s views & viewsets
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class BindObjectMixin:
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"""Bind object mixin."""
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def get_serializer_class(self):
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if self.action == 'bind_object':
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return self.bind_object_serializer_class
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return self.serializer_class
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def perform_binding(self, serializer):
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raise NotImplemented
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def perform_unbinding(self, serializer):
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raise NotImplemented
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@action(methods=['post', 'delete'], detail=True, url_path='bind-object')
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def bind_object(self, request, pk=None):
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serializer = self.get_serializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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if request.method == 'POST':
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self.perform_binding(serializer)
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return Response(serializer.data, status=status.HTTP_201_CREATED)
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elif request.method == 'DELETE':
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self.perform_unbinding(serializer)
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return Response(status=status.HTTP_204_NO_CONTENT)
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class TagBackOfficeViewSet(mixins.ListModelMixin, mixins.CreateModelMixin,
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mixins.UpdateModelMixin, mixins.DestroyModelMixin,
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BindObjectMixin, viewsets.GenericViewSet):
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"""List/create tag view."""
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pagination_class = None
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permission_classes = (permissions.IsAuthenticated,)
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queryset = models.Tag.objects.all()
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serializer_class = serializers.TagBackOfficeSerializer
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bind_object_serializer_class = serializers.TagBindObjectSerializer
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def perform_binding(self, serializer):
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data = serializer.validated_data
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tag = data.pop('tag')
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obj_type = data.get('type')
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related_object = data.get('related_object')
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if obj_type == self.bind_object_serializer_class.ESTABLISHMENT:
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tag.establishments.add(related_object)
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elif obj_type == self.bind_object_serializer_class.NEWS:
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tag.news.add(related_object)
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def perform_unbinding(self, serializer):
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data = serializer.validated_data
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tag = data.pop('tag')
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obj_type = data.get('type')
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related_object = data.get('related_object')
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if obj_type == self.bind_object_serializer_class.ESTABLISHMENT:
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tag.establishments.remove(related_object)
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elif obj_type == self.bind_object_serializer_class.NEWS:
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tag.news.remove(related_object)
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class TagCategoryBackOfficeViewSet(mixins.CreateModelMixin,
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mixins.UpdateModelMixin,
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mixins.DestroyModelMixin,
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mixins.RetrieveModelMixin,
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BindObjectMixin,
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TagCategoryViewSet):
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"""ViewSet for TagCategory model for BackOffice users."""
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permission_classes = (permissions.IsAuthenticated,)
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queryset = TagCategoryViewSet.queryset.with_extended_related()
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serializer_class = serializers.TagCategoryBackOfficeDetailSerializer
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bind_object_serializer_class = serializers.TagCategoryBindObjectSerializer
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def perform_binding(self, serializer):
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data = serializer.validated_data
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tag_category = data.pop('tag_category')
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obj_type = data.get('type')
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related_object = data.get('related_object')
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if obj_type == self.bind_object_serializer_class.ESTABLISHMENT_TYPE:
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tag_category.establishment_types.add(related_object)
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elif obj_type == self.bind_object_serializer_class.NEWS_TYPE:
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tag_category.news_types.add(related_object)
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def perform_unbinding(self, serializer):
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data = serializer.validated_data
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tag_category = data.pop('tag_category')
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obj_type = data.get('type')
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related_object = data.get('related_object')
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if obj_type == self.bind_object_serializer_class.ESTABLISHMENT_TYPE:
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tag_category.establishment_types.remove(related_object)
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elif obj_type == self.bind_object_serializer_class.NEWS_TYPE:
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tag_category.news_types.remove(related_object)
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