/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

4 votes225 views2 answers
Django composite primary key
Python Django
0 vote154 views1 answer
Django fixtures. To dump data
Python Django
0 vote163 views1 answer
Django is .get lazy
Python Django
0 vote161 views1 answer
How to compress image field in django?
Python Django
0 vote154 views1 answer
Django post request 403 forbidden
Python Django
1 vote157 views1 answer
User matching query does not exist. django
Python Django
1 vote154 views1 answer
How to count post by category django
Python Django
1 vote151 views1 answer
Django wait for database
Python Django
1 vote158 views1 answer
Django queryset first element
Python Django
0 vote165 views1 answer
Fetch json array from mysql django
Python Django