public function index()
{
if (Auth::check()) {
if (Auth::user()->role->name === 'admin') {
$threads = Thread::paginate(20);
} else {
$threads = Thread::departmentThreads(Auth::user()->department->id)->paginate(20);
}
} else {
$threads = Thread::publicThreads()->paginate(20);
}
return view('threads.index', compact('threads'));
}