public async Task <IFormResult <Post> > UpdateItem(Post item)
        {
            var user = await _userManager.GetUserAsync(_httpContextAccessor.HttpContext.User);

            var existingPost = await _dbContext.Posts.AsNoTracking().FirstOrDefaultAsync(p => p.Id == item.Id);

            item.BlogId     = item.Blog.Id;
            item.Blog       = null;
            item.CategoryId = item.Category.Id;
            item.Category   = null;
            item.CreatedBy  = user.Id;
            item.CreatedOn  = DateTime.Now;
            item.Status     = existingPost.Status;

            var entity = _blogMapper.Map <Models.Post>(item);

            _dbContext.UpdateGraph(entity, mapping => mapping.AssociatedCollection(p => p.Tags));
            await _dbContext.SaveChangesAsync();

            var post = await GetItem(item.Id.ToString());

            var result = new FormResult <Post>(post)
            {
                IsSucceeded    = true,
                SuccessMessage = $"Post has been updated"
            };

            return(await Task.FromResult(result));
        }