public function postIndex($doc)
{
$comment = Input::get('comment');
$newComment = new Comment();
$newComment->user_id = Auth::user()->id;
$newComment->doc_id = $comment['doc']['id'];
$newComment->text = $comment['text'];
$newComment->save();
// Late load the user.
$newComment->user;
return Response::json($newComment->toArray());
}
