safekat/ci4/app/Models/Presupuestos/ImportadorModel.php

<?php

namespace App\Models\Presupuestos;

class ImportadorModel extends \App\Models\BaseModel
{
    protected $table = 'pedido_libro';
    protected $primaryKey = 'id';
    //protected $allowedFields = ['ticket_number', 'order_id', 'created_at', 'updated_at', 'deleted_at', 'check_in'];
    
    // Define the alternative connection group
    protected $DBGroup = 'old_erp';

    public function getClientList(){

        $db = \Config\Database::connect($this->DBGroup); // Conectar a olderp
        $builder = $db->table('customers');
        $builder->select('id, name');
        $builder->where('deleted_at', NULL);
        $query = $builder->get();
        return $query->getResultObject();
    }


    public function getPresupuestosList($clienteId, $search = ""){
        
        $db = \Config\Database::connect($this->DBGroup); // Conectar a olderp
        $builder = $db->table('pedido_libro');
        $builder->select('id as id, CONCAT(id, " - ", titulo) as name');
        $builder->where('customer_id', $clienteId);
        $builder->where('estado', 'finalizado');
        $builder->where('deleted_at', NULL);
        
        return empty($search) ? 
            $builder->get()->getResultObject() : 
            $builder->groupStart()->
                like('titulo', $search)->
                orLike('id', $search)-> 
                groupEnd()->get()->getResultObject();
    }



}