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

import type { HttpContext } from '@adonisjs/core/http';
import Person from '#models/person';
// import Dataset from 'App/Models/Dataset';

// node ace make:controller Author
export default class AuthorsController {
    public async index({}: HttpContext) {       
        
        const authors = await Person.query()
        .select([
            'id', 
            'academic_title', 
            'first_name', 
            'last_name', 
            'identifier_orcid', 
            'status', 
            'name_type', 
            'created_at'
            // Note: 'email' is omitted
        ])
        .preload('datasets')
        .where('name_type', 'Personal')
        .whereHas('datasets', (dQuery) => {
            dQuery.wherePivot('role', 'author');
        })
        .withCount('datasets', (query) => {
            query.as('datasets_count');
        })
        .orderBy('datasets_count', 'desc');

        return authors;
    }

    public async persons({ request }: HttpContext) {
        const authors = Person.query().where('status', true);

        if (request.input('filter')) {
            // users = users.whereRaw('name like %?%', [request.input('search')])
            const searchTerm = request.input('filter');
            authors.andWhere((query) => {
                query.whereILike('first_name', `%${searchTerm}%`)
                     .orWhereILike('last_name', `%${searchTerm}%`);
            });
            // .orWhere('email', 'like', `%${searchTerm}%`);
        }

        let persons = await authors;
        return persons;
    }
}