Standard mechanism for telling why a record hasn't been deleted?

Hi all

Is there a standard mechanism for telling why a record hasn't been
deleted?

When a record isn't deleted, it just tells "Xxx was not deleted", but
without any reason. So for example, when I'm creating a
beforeDelete(..) hook that prevents the record from deletion, how
should I let the user know why it hasn't been deleted?

Would using a $deletionError variable be an acceptable way?

function beforeDelete($cascade) {
if($this->hasDependentRecords()) {
$this->deletionError = 'record has dependent records';
return false;
}
}

And in the controller:

if ($this->Post->delete($id)) {
...
} else {
$this->Session->setFlash('Post was not deleted because '.$this->Post-
>deletionError);
}

What do you think about this solution? Is there a better way?

Thanks, Josh

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