Custom fields

It is possible to add custom input fields to the following mutations:

• DjangoCreateMutation

• DjangoPatchMutation

• DjangoUpdateMutation

• DjangoBatchCreateMutation

• DjangoBatchPatchMutation

• DjangoBatchUpdateMutation

The custom fields will be added to the top-level input input data structure. While the fields will not be used directly in any creation/updating process by the library itself, they can be accessed in all handle- and hook-methods.

class Dog(models.Model):
    name = models.TextField()
    bark_count = models.IntegerField(default=0)

class UpdateDogMutation(DjangoUpdateMutation):
    class Meta:
        model = Dog
        custom_fields = {
            "bark": graphene.Boolean()
        }

    @classmethod
    def before_save(cls, root, info, input, id, obj: Dog):
        if input.get("bark"):
            obj.bark_count += 1
        return obj

Running the below mutation will increase the bark count by one:

updateDog(id: "RG9nTm9kZToxMw==", input: {name: "Sparky", bark: true}){
    dog{
        id
        barkCount
    }
}