code: def commit(self):
          
          if self._child_consents:
              consents = []
  
              for consent in self._child_consents:
                  consent.granted = self.granted
                  consents.append(consent.save() or consent)
  
              return ProxyDataSharingConsent.from_children(self.program_uuid, *consents)
  
          consent, _ = DataSharingConsent.objects.update_or_create(
              enterprise_customer=self.enterprise_customer,
              username=self.username,
              course_id=self.course_id,
              defaults={
                  'granted': self.granted
              }
          )
          self._exists = consent.exists
          return consent
docs: Commit a real ``DataSharingConsent`` object to the database, mirroring current field settings.
  
          :return: A ``DataSharingConsent`` object if validation is successful, otherwise ``None``.