/// <summary>
 /// Rotates the specified media.
 /// </summary>
 /// <param name="media">The media.</param>
 /// <param name="user">The user.</param>
 /// <param name="rotate">The rotate.</param>
 private void Rotate(IEnumerable <MediaFile> media, User user, Func <byte[], byte[]> rotate)
 {
     foreach (MediaFile file in media)
     {
         byte[] bytes = GetFileBytes(file, user);
         bytes = rotate(bytes);
         string contentType = GetContentType(file);
         _fileService.AddFile(user.Username, file.FilePath, contentType, bytes);
         _mediaFileRepository.UpdateDimension(file.FileId, file.Height, file.Width);
     }
 }