/**
* @param $amount - how many locations to pick
* @param $exclude - array of locations to exclude
* @return mixed
*/
public static function pickUnused($amount, $exclude = [])
{
$used = array_keys(Location::has('targets')->get()->keyBy('id')->toArray());
foreach ($exclude as $location) {
$used[] = $location->id;
}
$available = Location::whereNotIn('id', $used)->get();
$locations = $available->random($amount);
return $locations;
}
