/**
* Find users by matching a string of words against their username,
* optionally making sure they are visible to a certain user.
*
* @param string $string
* @param \Flarum\Core\Models\User|null $user
* @return array
*/
public function getIdsForUsername($string, User $user = null)
{
$query = User::select('id')->where('username', 'like', '%' . $string . '%')->orderByRaw('username = ? desc', [$string])->orderByRaw('username like ? desc', [$string . '%']);
return $this->scopeVisibleForUser($query, $user)->lists('id');
}
