public void SaveAnnouncement(AnnouncementDataModel model)
 {
     _manager.AnnouncementRepository.Insert(new Announcement()
     {
         title = model.Title,
         content = model.Content,
         date = DateTime.Now,
         image = AudioTextImageManager.saveImageAndGetFileName(model.ImageFile, "announcements")
     });
     _manager.save();
 }
        public ActionResult CreateAnnouncement(AnnouncementDataModel model)
        {
            announcementService.SaveAnnouncement(model);

            return RedirectToAction("Index");
        }