/**
* Validates the object properties.
* Throws a ValidationException in case of an error.
*/
protected function validate()
{
$pages = Page::listInTheme($this->theme, true);
Validator::extend('uniqueUrl', function ($attribute, $value, $parameters) use($pages) {
$value = trim(strtolower($value));
foreach ($pages as $existingPage) {
if ($existingPage->getBaseFileName() !== $this->getBaseFileName() && strtolower($existingPage->getViewBag()->property('url')) == $value) {
return false;
}
}
return true;
});
parent::validate();
}
