app.controller('PostViewCtrl', function ($scope, $routeParams, Post, Auth) {
    $scope.post = Post.get($routeParams.postId);
    $scope.comments = Post.comments($routeParams.postId);

    $scope.user = Auth.user;
    $scope.signedIn = Auth.signedIn;

});

app.factory('Post', function ($firebase, FIREBASE_URL) {
    var ref = new Firebase(FIREBASE_URL);
    var posts = $firebase(ref.child('posts')).$asArray();

    var Post = {
        all: posts,
        get: function (postId) {
            return $firebase(ref.child('posts').child(postId)).$asObject();
        }
    };

    return Post;
});