urfat-orm/src/index.php

<?php

include_once './Connections.class.php';
include_once './DBInstance.php';
include_once './Entity.class.php';

class Estado extends Entity {

    protected $table_name = 'basico_geografico_estados';
    protected $classname = 'Estado';

    function municipios() {
        return $this->has_many(Municipio::class, 'estado_id');
    }

}

class Municipio extends Entity {

    protected $table_name = 'basico_geografico_municipios';
    protected $classname = 'Municipio';

    function estado() {
        return $this->belongs_to(Estado::class, 'estado_id');
    }

}

class User extends Entity {

    protected $timestamps = true;
    protected $softdelete = true;
    protected $table_name = 'basico_auth_users';
    protected $classname = 'User';

    public function existencia() {
        $this->has_one(Existencia::class, 'user_id');
    }

    public function contatos() {
        $this->has_many('contatos', 'user_id');
    }

    public function permissions() {
        return $this->belongs_to_many_extended(Permission::class, 'basico_auth_permission_user', 'user_id', 'permission_id');
    }

    public function roles() {
        return $this->belongs_to_many( Role::class, 'basico_auth_role_user', 'user_id', 'role_id');
    }

}

class Role extends Entity{
    
    protected $table_name = "basico_auth_roles";
    protected $classname = "Role";
    
    function permissions(){
        return $this->belongs_to_many(Permission::class, 'basico_auth_role_permission', 'role_id',  'permission_id');
    }
}

class Permission extends Entity{
    
    protected $table_name = "basico_auth_permissions";
    protected $classname = "Permission";
    
}

Connections::add_connection(new PDO("pgsql:dbname=urfat; user=urfat; password=urfat;host=127.0.0.1;port=5432"));

$a = new User();
$a->load(1);

var_dump( $a->permissions() );

//$a = new Estado();
//$a->load(23);

//foreach ($a->municipios() as $municipio) {
//    echo "$municipio->nome \n";
//}

//$a = new Municipio();
//$a->load(1);
//$a->estado();