public ActionResult Download(Guid id) { var classRepository = new ClassRepository(_context); var file = classRepository.GetFile(id); var classAvailable = classRepository.CheckClassAvailability(file.Class.Id, _loggedUser?.Id); if (classAvailable) { classRepository.SaveAccess(file, _loggedUser); return(File(Url.Content("~/" + Parameter.FILE_STORAGE + "/" + file.Class.Id + "/" + file.PhysicalPath), "application/octet-stream", file.PhysicalPath)); } TempData["MessageType"] = "error"; TempData["MessageTitle"] = Resource.SupportMaterialDownloadToastrTitle; TempData["Message"] = Resource.WithoutPermissionDownloadToastrMessage; return(RedirectToAction("Index", "Home")); }