public ActionResult Create(Models.Symbol symbol, HttpPostedFileBase uploadFile, string[] packages)
        {
            ViewBag.Themes         = new SelectList(CodeList.Themes(), "Key", "Value", symbol.Theme);
            ViewBag.SymbolPackages = new SelectList(_symbolService.GetPackagesWithAccessControl(), "SystemId", "Name");
            symbol.SymbolPackages  = new List <SymbolPackage>();
            if (packages != null)
            {
                foreach (var package in packages)
                {
                    symbol.SymbolPackages.Add(_symbolService.GetPackage(Guid.Parse(package)));
                }
            }

            ViewBag.IsAdmin = false;
            if (Request.IsAuthenticated)
            {
                ViewBag.IsAdmin = _authorizationService.IsAdmin();
            }

            if (ModelState.IsValid)
            {
                ImageService img = new ImageService();
                if (uploadFile != null)
                {
                    symbol.Thumbnail = img.SaveThumbnail(uploadFile, symbol);
                }

                var addedSymbol = _symbolService.AddSymbol(symbol);
                return(RedirectToAction("Details", "Files", new { systemid = addedSymbol.SystemId }));
            }

            return(View(symbol));
        }