25 lines
996 B
Python
25 lines
996 B
Python
from camps.models import Camp
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from django.shortcuts import get_object_or_404
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class CampViewMixin(object):
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"""
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This mixin makes sure self.camp is available (taken from url kwarg camp_slug)
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It also filters out objects that belong to other camps when the queryset has
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a direct relation to the Camp model.
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"""
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def dispatch(self, request, *args, **kwargs):
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self.camp = get_object_or_404(Camp, slug=self.kwargs['camp_slug'])
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return super().dispatch(request, *args, **kwargs)
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def get_queryset(self):
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queryset = super(CampViewMixin, self).get_queryset()
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if queryset:
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# check if we have a foreignkey to Camp, filter if so
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for field in queryset.model._meta.fields:
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if field.name == "camp" and field.related_model._meta.label == "camps.Camp":
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return queryset.filter(camp=self.camp)
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# Camp relation not found, or queryset is empty, return it unaltered
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return queryset
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