/Python/Django/Django many to many post update method via rest

Django many to many post update method via rest

class GroupMembershipSerializer(ModelSerializer):
    class Meta:
        model = Membership
        fields = ('person',)

class GroupCreateSerializer(ModelSerializer):
     memberships = GroupMembershipSerializer(many=True, required=False)

    def create(self, validated_data):
        person_data = validated_data.pop('memberships')
        group = Group.objects.create(**validated_data)
        for person in person_data:
            d=dict(person)
            Membership.objects.create(group=group, person=d['person'])
        return group

    def update(self, instance, validated_data):
        person_data = validated_data.pop('memberships')
        for item in validated_data:
            if Group._meta.get_field(item):
                setattr(instance, item, validated_data[item])
        Membership.objects.filter(group=instance).delete()
        for person in person_data:
            d=dict(person)
            Membership.objects.create(group=instance, person=d['person'])
        instance.save()
        return instance

    class Meta:
        model = Group

class GroupCreateModelViewSet(ModelViewSet):
    serializer_class = GroupCreateSerializer
    queryset = Group.objects.all()

Source: stackoverflow.com

Similar codes

1 vote161 views1 answer
Url in form action django
Python Django
1 vote196 views2 answers
Django content type
Python Django
10 votes165 views1 answer
Https://docs.djangoproject.com/en/2.0/howto/static-files/
Python Django
0 vote182 views1 answer
The module in NAME could not be imported: django.contrib.user_auth.password_validation.UserAttributeSimilarityValidator. Check your AUTH_PASSWORD_VALI
Python Django
14 votes163 views5 answers
How to create requirements.txt django
Python Django
0 vote162 views1 answer
Django include all columns admin show
Python Django
-2 votes158 views4 answers
Django form datepicker
Python Django
0 vote175 views1 answer
Python Django Models Unique Rows
Python Django
0 vote152 views1 answer
Django sesssion can't works when web app call inside an iframe from other website
Python Django
1 vote216 views1 answer
Add help text in Django model forms
Python Django