public SearchController(IUsersResource users, IPostsResource posts, ICommentsResource comments, IErrorSignaler errorSignaler)
 {
     _users = users;
     _posts = posts;
     _comments = comments;
     _errorSignaler = errorSignaler;
 }
 public CommentsController(ICommentsResource service, IErrorSignaler errorSignaler)
 {
     _service = service;
     _errorSignaler = errorSignaler;
 }