/**
* Sets the slug, checking for duplicates and appending a number to make it unique if they exist.
*/
public function setSlug($slug, $i = 0)
{
$preExisting = SchoolQuery::create();
if ($this->getId()) {
$preExisting->where('School.Id != ?', $this->getId());
}
$preExisting->filterBySlug($i ? $slug . $i : $slug);
if ($preExisting->findOne()) {
$this->setSlug($slug, $i + 1);
} else {
parent::setSlug($i ? $slug . $i : $slug)->save();
}
return $this;
}
