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 AuthorsController {

	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 authors =  await Person.query()
		.whereHas('datasets', (dQuery) => {
            dQuery.wherePivot('role', 'author')
        })
		.withCount('datasets', (query) => {
			query.as('datasets_count')
		  });
        
		return authors;
	}

}