private string ProcessUploadedVideo()
        {
            string uniqueFileName = null;

            if (Gif != null)
            {
                string uploadsFolder = Path.Combine(hostEnvironment.WebRootPath, "Videos");
                uniqueFileName = Guid.NewGuid().ToString() + "_" + Gif.FileName;
                string filePath = Path.Combine(uploadsFolder, uniqueFileName);
                using (var fileStream = new FileStream(filePath, FileMode.Create))
                {
                    Gif.CopyTo(fileStream);
                }
            }

            return(uniqueFileName);
        }