private function buildUsers()
{
if (!Cache::has('users') || empty($this->users)) {
$users = [];
$allUsers = User::all();
foreach ($allUsers as $user) {
$users[$user->id] = ['username' => $user->username, 'url' => $user->url()];
}
$this->setCache($users);
}
$this->users = Cache::get('users');
}
