public void DeleteBlog(int id)
        {
            BlogPost toRemove = GetBlog(id);

            BlogPosts.Remove(toRemove);
            SaveChanges();
        }
        public void Delete(Guid uniqueId)
        {
            var blogPostToDelete = BlogPosts.FirstOrDefault(i => i.UniqueId == uniqueId);

            if (blogPostToDelete != null)
            {
                BlogPosts.Remove(blogPostToDelete);
            }
        }
        public void DeleteBlog(int id)
        {
            var toRemove = GetBlog(id);

            if (toRemove == null)
            {
                throw new Exception();
            }
            BlogPosts.Remove(toRemove);
        }
        public void UpdateBlog(BlogPost toUpdate)
        {
            var toReplace = GetBlog(toUpdate.BlogPostId);

            if (toReplace == null)
            {
                throw new Exception("Blog ID does not exist");
            }
            BlogPosts.Remove(toReplace);
            BlogPosts.Add(toUpdate);
        }