public static function save()
{
$params = $_POST;
$unit = new RentalUnit(array('address' => $params['address'], 'area' => $params['area']));
if ($unit->validate()) {
$unit->save(self::get_user_logged_in()->id);
Redirect::to('/units/' . $unit->id, array('message' => 'new rental unit added'));
} else {
$errors = array_values($unit->errors());
Redirect::to('/units/new', array('errors' => $errors, 'unit' => $params));
}
}
