/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

0 vote197 views2 answers
Avoid bad request django
Python Django
30 votes289 views3 answers
Django createsuperuser
Python Django
0 vote173 views2 answers
Django get all models
Python Django
0 vote177 views2 answers
Django edit object foreign key id
Python Django
2 votes172 views1 answer
Set http response content type django
Python Django
0 vote165 views1 answer
How to run django tests
Python Django
3 votes190 views1 answer
Business logic in django
Python Django
1 vote174 views1 answer
Insert data in django models
Python Django
0 vote189 views1 answer
Django not saving images forms
Python Django
1 vote186 views1 answer
Hide particular attribute in django admin
Python Django