public function update(Request $request)
{
$node_id = $request->input('node_id');
$state = $request->input('state');
$user = Auth::user();
if ($state == 'on') {
FrontPageNode::firstOrNew(['user_id' => $user->id, 'node_id' => $node_id])->save();
} else {
FrontPageNode::where('user_id', $user->id)->where('node_id', $node_id)->delete();
}
}
