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django many to many post update method via rest

Angry Antelope answered on September 23, 2020 Popularity 7/10 Helpfulness 2/10

answer django many to many post update method via rest

django many to many post update method via rest

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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()

Popularity 7/10 Helpfulness 2/10 Language python

Source: stackoverflow.com

Tags: django many-to-many post-update python rest

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Contributed on Sep 23 2020

Angry Antelope

0 Answers Avg Quality 2/10

django many to many post update method via rest

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