public IHttpActionResult UploadImage()
        {
            if (User.IsInRole("ADMIN"))
            {
                try
                {
                    PortalUtility.CleanupTempFiles();
                    string imagelist = String.Empty;
                    foreach (string file in HttpContext.Current.Request.Files)
                    {
                        HttpPostedFile fileContent = HttpContext.Current.Request.Files[file];
                        if (fileContent != null && fileContent.ContentLength > 0)
                        {
                            // get a stream
                            string imagename  = GetImageName();
                            string path_thumb = Path.Combine(HttpContext.Current.Server.MapPath(Models.RecipeImage.Path_TempThumbnail), imagename);
                            string path_full  = Path.Combine(HttpContext.Current.Server.MapPath(Models.RecipeImage.Path_TempStandard), imagename);

                            Stream stream = fileContent.InputStream;
                            Image  img    = Image.FromStream(stream);

                            Image thumbimg = PortalUtility.ScaleImage(img, 100, 100);
                            thumbimg.Save(path_thumb, System.Drawing.Imaging.ImageFormat.Png);

                            Image regimg = PortalUtility.ScaleImage(img, 800, 600);
                            regimg.Save(path_full, System.Drawing.Imaging.ImageFormat.Png);

                            imagelist += imagename + ",";
                        }
                    }
                    imagelist = imagelist.Trim(',');
                    string[] returnval = imagelist.Split(',');
                    return(Ok(returnval));
                }
                catch (Exception ex)
                {
                    PortalUtility.SendErrorEmail(ex);
                    return(new PortalUtility.PlainTextResult("Upload failed: " + ex.Message, HttpStatusCode.InternalServerError));
                }
            }
            else
            {
                return(new PortalUtility.PlainTextResult("Demo login does not allow image uploads.", HttpStatusCode.Unauthorized));
            }
        }