/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 vote184 views1 answer
Django amzon like app
Python Django
0 vote179 views1 answer
Get data from model with field name in django
Python Django
0 vote142 views1 answer
How to resize image with pillow in django
Python Django
0 vote151 views1 answer
Django creat app return _bootstrap._gcd_import
Python Django
5 votes179 views2 answers
Allauth django
Python Django
0 vote185 views2 answers
Django model remove duplicates
Python Django
15 votes202 views4 answers
Django python install
Python Django
1 vote181 views1 answer
Django filter by category
Python Django
0 vote183 views1 answer
Django model different schema
Python Django
0 vote186 views1 answer
Comment voir les requêtes SQL brutes exécutées par Django?
Python Django