ThemeController.js

(function() {
    'use strict';

    ThemeController.$inject = ['$scope', 'Notifications'];

    function ThemeController($scope, Notifications) {
        $scope.user = {};

        $scope.changeTheme = function(theme) {
            $scope.user.theme = theme;
        };

        $scope.saveChanges = function() {
            $http.put('/user/save', $scope.user)
            .success(function() {
                Notifications.showSuccess();
            })
            .error(function() {
                Notifications.showError();
            });
        };

        $http.get('/user')
            .success(function(data) {
                $scope.user = data;
                Notifications.showSuccess();
            })
            .error(function(err) {
                Notifications.showError();
            });
    }

    angular
        .module('themes', [])
        .controller('ThemeController', ThemeController);
})();