/**
* Loads UserPreferences model from session or creates new one
* @return UserPreferences
*/
public static function preferences()
{
if (static::$_cachedPreferences === null) {
$model = new UserPreferences();
$model->load([]);
$model->validate();
$attributes = Yii::$app->session->get('UserPreferencesModel');
if (isset($attributes) === true) {
$model->setAttributes($attributes);
}
static::$_cachedPreferences = $model;
}
return static::$_cachedPreferences;
}
