Help needed: Nested Rest API calls - e.g. Netbox

[janhoelscher]

What is my Problem?
I want to do rest query to consume some data from Netbox in my forms.

In my case, i'm having one field for a virtual machine and another one which gives me all related contacts for this vm.

These contact assignments returns something like:

{
    "count": 2,
    "next": null,
    "previous": null,
    "results": [
        {
            "id": 1,
            "url": "https://<hidden>/api/tenancy/contact-assignments/1/",
            "display": "<hidden> -> <hidden>",
            "object_type": "virtualization.virtualmachine",
            "object_id": 1,
            "object": {
                "id": 1,
                "url": "https://<hidden>/api/virtualization/virtual-machines/1/",
                "display": "<hidden>",
                "name": "<hidden>",
                "description": ""
            },
            "contact": {
                "id": 1,
                "url": "https://<hidden>/api/tenancy/contacts/1/",
                "display": "<hidden>",
                "name": "<hidden>r",
                "description": "<hidden>"
            },
            "role": {
                "id": 1,
                "url": "https://<hidden>/api/tenancy/contact-roles/1/",
                "display": "Serveradmin",
                "name": "Serveradmin",
                "slug": "serveradmin",
                "description": ""
            },
            "priority": null,
            "tags": [],
            "custom_fields": {},
            "created": "2025-04-14T10:36:37.411396Z",
            "last_updated": "2025-04-14T10:36:37.411409Z"
        },
        {
            "id": 3,
            "url": "https://<hidden>/api/tenancy/contact-assignments/3/",
            "display": "<hidden> -> <hidden>",
            "object_type": "virtualization.virtualmachine",
            "object_id": 1,
            "object": {
                "id": 1,
                "url": "https://<hidden>/api/virtualization/virtual-machines/1/",
                "display": "<hidden>",
                "name": "<hidden>",
                "description": ""
            },
            "contact": {
                "id": 2,
                "url": "https://<hidden>/api/tenancy/contacts/2/",
                "display": "<hidden>",
                "name": "<hidden>",
                "description": "<hidden>"
            },
            "role": {
                "id": 2,
                "url": "https://<hidden>/api/tenancy/contact-roles/2/",
                "display": "Kunde",
                "name": "Kunde",
                "slug": "kunde",
                "description": ""
            },
            "priority": null,
            "tags": [],
            "custom_fields": {},
            "created": "2025-04-28T13:57:03.738606Z",
            "last_updated": "2025-04-28T13:57:03.738617Z"
        }
    ]
}

But in my form i want to extract all contacts with their internal ID Number, which is an custom field in Netbox.
To get this i have make a direct call to the /api/tenancy/contacts endpoint to get the full contact incl. custom fields (I think there is no other way to get these custom fields).

Possible Solution?
Maybe it would be an option to extract the contact id from the contact assignments output with some jq expression, this is not an problem.

But then i have to do a "like" for each over this array. Make an rest call for each contact assignment and build some kind of array with additional informations.

Do someone have an idea how to solve this or solved an slightly different issue?

Thanks,
Jan

[ansibleguy76]

in this particular case i would suggest to write your own backend function. AF loads or allows to load a custom functions library exposed as fnc. steal the code from the regular functions. let me know if you need more help.

[ansibleguy76]

https://github.com/ansibleguy76/ansibleforms-docker/blob/main/data/functions/custom.js

[ansibleguy76]

and steal from https://github.com/ansibleguy76/ansibleforms/blob/main/server/src/functions/default.js