/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 vote223 views1 answer
Django change foreign key
Python Django
0 vote257 views1 answer
Redirect if not logged in django
Python Django
0 vote212 views1 answer
Django get child element
Python Django
3 votes225 views3 answers
Simple jwt django
Python Django
6 votes235 views3 answers
Media url django
Python Django
0 vote235 views1 answer
Delete history django simple
Python Django
0 vote186 views2 answers
Business logic code where located in django rest framework
Python Django
1 vote237 views1 answer
Django set default value for model not form
Python Django
0 vote231 views1 answer
Http404 django
Python Django
0 vote219 views1 answer
Django bootstrap
Python Django