app.controller('CommentController', ['$scope', '$routeParams', 'suggestions',
  function($scope, $routeParams, suggestions) {
    $scope.post = suggestions.posts[$routeParams.id];
    $scope.addComment = function() {
      var newComment = {
        body: "",
        upvote: 0
      }
      suggestions.posts.comments.push(newComment);
    }
    $scope.upvoteComment = function(index) {
      $scope.comment.upvote += 1;
    }

}]);