private function vote(Comment $comment, $vote)
 {
     $post = $comment->post()->get()->first();
     if ($vote == 1) {
         $voteCount = $comment->getAttributeValue('vote_count') + 1;
     } else {
         $voteCount = $comment->getAttributeValue('vote_count') - 1;
     }
     $comment->update(['vote_count' => $voteCount]);
     Auth::user()->comment_vote()->create(['up' => $vote, 'comment_id' => $comment->getAttributeValue('id')]);
     return view('posts.show', compact('post'));
 }