/**
* Fetches a random element, from a specific category if supplied.
*
* @param null $ofCategory
* @return mixed
*/
public static function getRandomElement($ofCategory = null)
{
$elements = null;
if (!is_null($ofCategory)) {
$types = ElementType::whereCategory($ofCategory)->get(['type'])->lists('type');
$elements = Element::whereIn('type', $types)->get();
} else {
$elements = Element::all();
}
if ($elements->count() > 0) {
return $elements->random();
}
}
