sales/models.py

@@ -199,6 +199,7 @@ class LotteryCampaignInfo(BaseModelMixin):

                             'start_at': self.start_at and self.start_at.isoformat(),
              

                             'end_at': self.end_at and self.end_at.isoformat(),
              

                             'draw_at': self.draw_at and self.draw_at.isoformat(),
              

                +            'model_ids': self.model_ids,
              

                         }