views.py 文件源码

def post(self, request, *args, **kwargs):
        site = self.get_object(self.get_queryset())
        if not site:
            raise Http404

        if request.user.id != site.django_user_id:
            # temporary error. TODO: do something a little bit more elaborate. or maybe not...
            raise Http404

        sampling_feature = site.sampling_feature
        data_logger_program = DataLoggerProgramFile.objects.filter(
            affiliation_id=site.affiliation_id,
            program_name__contains=sampling_feature.sampling_feature_code
        ).first()
        data_logger_file = data_logger_program.data_logger_files.first()

        feature_actions = sampling_feature.feature_actions.with_results().all()
        for feature_action in feature_actions:
            result = feature_action.results.first()
            delete_result(result)

        data_logger_file.delete()
        data_logger_program.delete()
        sampling_feature.site.delete()
        sampling_feature.delete()
        site.sensors.all().delete()
        site.delete()
        return HttpResponseRedirect(self.success_url)