CI ORM CRUD

/** MODEL **/
include(APPPATH.DIRECTORY_SEPARATOR.'core'.DIRECTORY_SEPARATOR.'API_ORM_Model.php');

// Tokens model

class Tokens_model extends API_ORM_Model {
    public function __construct() {
        parent::__construct();
        $this->load->database();

        $this->table = 'tokens';

        $this->fields = [
            'id' => new ORM_Field_Int([
                'pkey' => true,
                'auto' => true
            ]),
            'name' => new ORM_Field_String([
                'label' => 'Name',
                'required' => true,
                'trim' => true,
                'unique' => true,
            ]),
            'host' => new ORM_Field_String([
                'label' => 'Host',
                'trim' => true,
                'required' => true,
                'validators' => function () {
                    return preg_match('/^'.RE_HOST.'$/', $this->val)? True : 'Wrong host format';
                }
            ]),
            'token' => new ORM_Field_String([
                'label' => 'Token',
                'generated' => true,
                'generator' => function () {
                    return hash('sha256', time().rand(1, 10000000000));
                }
            ])
        ];
    }
}


/** CONTROLLER **/
include(APPPATH.DIRECTORY_SEPARATOR.'core'.DIRECTORY_SEPARATOR.'API_CRUD_Controller.php');

// Tokens controller

class Tokens extends API_CRUD_Controller {

    public function __construct() {
        parent::__construct();

        $this->path = [
            ['Tokens', '/tokens']
        ];
        $this->model('tokens_model');
    }

    public function index() {
        $this->grid();
    }
}