drf - change Foreign key to another field in a serializer using modelviewset

[cyril moreau]

Hi,

I have a ModelViewSet class as :

class EventAPIListCreate( viewsets.ModelViewSet):
 queryset = EventAPI.objects.all()
 serializer_class = EventAPISerializer

and my serializer looks like :

class EventAPISerializer(serializers.ModelSerializer):

   class Meta:

        model = EventAPI

       fields = '__all__'

when I hit the rest api endpoint I have the following result :

[
    {
        "id": 1,
        "name": "Cumple",
        "location": "calle le corbusier",
        "description": "cest le cumple de cyril",
        "date": "2019-02-05T01:01:00Z",
        "participant": 5,
        "created_at": "2019-02-05T20:43:01.630400Z",
        "organisator": 2
    },

    {
        "id": 2,
        "name": "' or 1=1;",
        "location": "calle le corbusier",
        "description": "cest le cumple de cyril",
        "date": "2019-02-05T01:01:00Z",
        "participant": 4,
        "created_at": "2019-02-05T20:45:11.265705Z",
        "organisator": 2
    },......

In the result you can see that "organisator" is a number because it is a foreign key.

the organisator model is composed as :

ID,

FirstName,

Lastname,

Email

I would like to change the endpoint result to have :

{
        "id": 1,
        "name": "Cumple",
        "location": "calle le corbusier",
        "description": "cest le cumple de cyril",
        "date": "2019-02-05T01:01:00Z",
        "participant": 5,
        "created_at": "2019-02-05T20:43:01.630400Z",
        "organisator": "mye...@gmail.com"
    },....

or

{
        "id": 1,
        "name": "Cumple",
        "location": "calle le corbusier",
        "description": "cest le cumple de cyril",
        "date": "2019-02-05T01:01:00Z",
        "participant": 5,
        "created_at": "2019-02-05T20:43:01.630400Z",
        "organisator": "Firstname Lastname"
    },....

How can I do that?

Can i use customize the serializer or the modelviewset somehow?

should i use an APIView class instead of a modelviewset to be able to get this result?

I would like to keep the modelviewset as i find it very useful, but maybe it is not posible

Thank you

[Ing.Daniel Bojorge]

Hi.

You can customize the queryset. 

Dios L@s Bendiga

Saludos,

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[Okware Aldo]

Hi,

I think you should consider creating a custom serializer, where you can modify that field, though I would advise you create another or modify yo return the json object of the organiser.

https://www.django-rest-framework.org/api-guide/fields/#serializermethodfield

To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAMQeQjawBsed98R1gNQkXNV9BbRNVHqbgZQ03%2B6t7kf-UTy_qg%40mail.gmail.com.