Thank you for the response.
Yes, I have tried this way too (make two serializers and override the
get_serializer_class).
But, we have to make more than one serializer and it will be more
complicated if the album not only have tracks relation in it.
I think if we can add a feature like
`album/1/?include=relation1,relation2`, then we can dynamically choose
which relation to include.
On Friday, March 8, 2019 at 11:58:25 AM UTC+7, Fabio Andrés García Sánchez
wrote:
>
> You can do it using two different AlbumSerializers. One of them without
> tracks.
> Then, in the view, overriding the method get_serializer you can get the
> parameter include with tracks and then:
>
> If has psrameter:
> self.serializer_class=AlbumSerializersWithTraks
> else:
> self.serializer_class=AlbumSerializers
>
> In that way, you will change your view.
>
> I apologize I did not give you more code, in writing from my cellphone.
>
> On Thu, Mar 7, 2019 at 11:48 PM Krisnadi Krisnadi <alexande...@gmail.com
> <javascript:>> wrote:
>
>> Is there any simple and common way to state which nested relationship
>> object you want to include in the response?
>> for example, I have this serializer:
>>
>> class TrackSerializer(serializers.ModelSerializer):
>> class Meta:
>> model = Track
>> fields = '__all__'
>> class AlbumSerializer(serializers.ModelSerializer):
>> tracks = TrackSerializer(many=True, read_only=True)
>>
>> class Meta:
>> model = Album
>> fields = '__all__'
>>
>> when I access album detail endpoint, I get this response:
>>
>> {
>> 'album_name': 'The Grey Album',
>> 'artist': 'Danger Mouse',
>> 'tracks': [
>> {'order': 1, 'title': 'Public Service Announcement', 'duration':
>> 245},
>> {'order': 2, 'title': 'What More Can I Say', 'duration': 264},
>> {'order': 3, 'title': 'Encore', 'duration': 159},
>> ...
>> ],}
>>
>> The tracks object are included automatically in the response. Is there
>> any option like this,localhost:8000/album/1/?include=tracks so the
>> tracks data only appear when it stated on the include param. I also make
>> a question on stackoverflow
>> <https://stackoverflow.com/questions/55046594/django-rest-framework-optional-nested-relationship>about
>>
>> this. But it seems there are not any standardized way to do it.
>> Is it possible to make this as a new feature or third-party package? If
>> it is not, what are the criteria to make a new third-party package for drf?
>> Thank you.
>>
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> --
> Fabio Andrés García Sánchez
> Ingeniero de Sistemas
> Administrador de Empresas
> fabio.garc...@gmail.com <javascript:>
> Celular +57 311 3600919
> Universidad ICESI
>
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