/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 vote225 views1 answer
Where to import render in django
Python Django
10 votes212 views1 answer
Add static file in django
Python Django
25 votes277 views2 answers
Start new app in django
Python Django
0 vote217 views1 answer
Current page django
Python Django
0 vote217 views1 answer
Django auto increment field
Python Django
0 vote204 views1 answer
Django-oauth
Python Django
0 vote204 views1 answer
Django populate form from database
Python Django
0 vote227 views1 answer
Generate 50 characters long for django
Python Django
0 vote198 views1 answer
Get list of users django
Python Django
5 votes228 views2 answers
Django admin password reset
Python Django