serializers.py 文件源码

def create(self, validated_data):
        """
        This method is overwritten in order to create User object and associate it with reseller.
        This operation is needed to create token for reseller
        """
        application_id = self.initial_data['application'].id
        reseller_name = validated_data['name']
        username = '{application_id}.{reseller_name}'.format(application_id=application_id,
                                                             reseller_name=reseller_name)

        if get_user_model().objects.filter(username=username).exists():
            raise ValidationError('Reseller with such name is already created')

        user = get_user_model().objects.create(username=username)
        return Reseller.objects.create(owner=user, application=self.initial_data['application'],
                                       **validated_data)