/**
  * Commend a comment
  *
  * @param  Request  $request
  * @return Response (JSON)
  */
 public function up(Request $request, Comment $comment)
 {
     $address = request()->ip();
     foreach ($this->commentVotes->forComment($comment) as $vote) {
         if ($vote->address === $address) {
             return response()->json(['votes' => $comment->voteCount, 'error' => 'This IP Address has already commended this comment']);
         }
     }
     $vote = new CommentVote();
     $vote->address = $address;
     $vote->comment_id = $comment->id;
     $vote->save();
     $comment->voteCount = $comment->voteCount + 1;
     $comment->save();
     return response()->json(['votes' => $comment->voteCount]);
 }