/**
* Helper to find an item by either id or identity
*
* @return Item
*/
private function findItem($token)
{
if ($token == (int) $token && is_numeric($token) && $token) {
$item = Item::find($token);
} elseif (is_string($token) && $token) {
$item = Item::findByIdentity($token);
} else {
throw new \InvalidArgumentException('Invalid item identity requested.');
}
return $item;
}
