tethys.backend/app/Controllers/Http/Api/DatasetController.ts

import type { HttpContextContract } from '@ioc:Adonis/Core/HttpContext';
// import Person from 'App/Models/Person';
import Dataset from 'App/Models/Dataset';

// node ace make:controller Author
export default class DatasetController {
    public async index({}: HttpContextContract) {
        // select * from gba.persons
        // where exists (select * from gba.documents inner join gba.link_documents_persons on "documents"."id" = "link_documents_persons"."document_id"
        // 			  where ("link_documents_persons"."role" = 'author') and ("persons"."id" = "link_documents_persons"."person_id"));
        const datasets = await Dataset.query().where('server_state', 'published').orWhere('server_state', 'deleted');

        return datasets;
    }
}