class FilterActividad(ListActividad):
    paginate_by = 100

    def get_queryset(self):
        queryset = super(FilterActividad, self).get_queryset()
        query_field = self.request.GET.get('field')
        query_value = self.request.GET.get('value')
        query_date = self.request.GET.get('date')
        if query_field and query_value != '':
            if query_field == 'estacion':
                query_dict = { query_field + '__nombre__iexact': query_value }
            else:
                query_dict = { query_field + '__iexact': query_value }
            queryset = queryset.filter(**query_dict)
        if query_field and query_date != '':
            query_dict = { query_field + '__iexact': query_date }
            queryset = queryset.filter(**query_dict)
        return queryset