// GET: Management
        public ActionResult Index()
        {
            MongoDBDataProvider provider = new MongoDBDataProvider();
            ManagementViewModel model    = new ManagementViewModel();

            model.orders     = provider.OrderGetAll();
            model.history    = provider.HistoryOrderGetAll();
            model.deliverers = provider.DelivererGetAll();
            model.categories = provider.CategoryGetAll();
            return(View(model));
        }