import logging
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from drf_spectacular.utils import extend_schema
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from rest_framework import generics
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from rest_framework.exceptions import ValidationError
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from rest_framework.permissions import IsAuthenticated
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from users.product_tours.models import UserProductTour
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from .serializers import UserProductTourSerializer
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logger = logging.getLogger(__name__)
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@extend_schema(exclude=True)
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class ProductTourAPI(generics.RetrieveUpdateAPIView):
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permission_classes = (IsAuthenticated,)
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serializer_class = UserProductTourSerializer
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def get_tour_name(self):
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name = self.request.query_params.get('name')
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if not name:
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raise ValidationError('Name is required')
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# normalize name for subsequent checks
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return name.replace('-', '_').lower()
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def get_serializer_context(self):
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context = super().get_serializer_context()
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context['name'] = self.get_tour_name()
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return context
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def get_object(self):
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name = self.get_tour_name()
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# TODO: add additional checks, e.g. user agent, role, etc.
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tour = UserProductTour.objects.filter(user=self.request.user, name=name).first()
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if not tour:
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logger.debug(f'Product tour {name} not found for user {self.request.user.id}. Creating new tour.')
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tour_serializer = self.get_serializer(data={'user': self.request.user.id, 'name': name})
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tour_serializer.is_valid(raise_exception=True)
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tour = tour_serializer.save()
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else:
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logger.debug(f'Product tour {name} requested for user {self.request.user.id}.')
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return tour
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