public IEnumerable<Image> GetAllImages()
 {
     using (var db = new TestWebAppDbContext())
       {
     var result = db.Images.ToArray().Select(e => e.ToModel());
     return result;
       }
 }
 public void SaveImage(string imageId, string description)
 {
     using (var db = new TestWebAppDbContext())
       {
     var image = new Entities.Image { ImageRelativePath = imageId, Description = description };
     db.Images.Add(image);
     db.SaveChanges();
       }
 }