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));
}