- Post post = webInterface.getCore().getPost(id);
- Set<Sone> sones = webInterface.getCore().getLikes(post);
+ Optional<Post> post = webInterface.getCore().getPost(id);
+ if (!post.isPresent()) {
+ return createErrorJsonObject("invalid-post-id");
+ }
+ Set<Sone> sones = webInterface.getCore().getLikes(post.get());