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Update:  this issue is solved by Observer_typing




I'll be working on a custom patch extending the Orm\Model but i just wanted to mention it , so you might consider a solution on a future release.


The issue is generated on this block
https://github.com/fuel/orm/blob/1.8/develop/classes/model.php#L2052-L2066

I wanna use the array returned from static::properties() to see if a defined datatype as shown
http://fuelphp.com/docs/packages/orm/creating_models.html#/propperties
can be used for casting its value when invoking the to_array() method.

The issue i was having was this, lets say for the model below, the method $instance->to_array()  would return created_at and updated_at as strings even if it was defined as int.

class Model_Article extends Orm\Model
{
    protected static $_properties = array(
        'id', // both validation & typing observers will ignore the PK
        'name' => array(
            'data_type' => 'varchar',
            'label' => 'Article Name',
            'validation' => array('required', 'min_length' => array(3), 'max_length' => array(20)),
            'form' => array('type' => 'text'),
            'default' => 'New article',
        ),
        'gender' => array(
            'data_type' => 'varchar',
            'label' => 'Gender',
            'form' => array('type' => 'select', 'options' => array('m' => 'Male', 'f' => 'Female')),
            'validation' => array('required'),
        ),
        'created_at' => array(
            'data_type' => 'int',
            'label' => 'Created At',
            'form' => array(
                'type' => false, // this prevents this field from being rendered on a form
            ),
        ),
        'updated_at' => array('data_type' => 'int', 'label' => 'Updated At')
    );
}

I noticed this because i've an orm observer  on a user model triggered on after_insert and after_update events that inserts/updates a mongodb , and the method where_lte was fetching weird results because it was indexed as a string

$mongodb = \Mongo_Db::instance();

$insert_id = $mongodb->insert('users', $model->to_array()));

---

$mongodb = \Mongo_Db::instance();
$mongodb->where_lt('created_at', time());
$users = $mongodb->get('users');