/**
* observe product event saving
* 1. check unique sku
* 2. act, accept or refuse
*
* @param $model
* @return bool
*/
public function saving($model)
{
$errors = new MessageBag();
//1. Check unique SKU
$sku = Varian::sku($model->sku)->notid($model->id)->first();
if (!is_null($sku)) {
$errors->add('sku', 'SKU sudah terdaftar.');
}
if ($errors->count()) {
$model['errors'] = $errors;
return false;
}
return true;
}
