public IHttpActionResult CreatePublication([FromBody] PublicationModel publication) { if (ModelState.IsValid) { var publicationDTO = new PublicationDTO { Header = publication.Header, Author = new UserDTO { Email = User.Identity.Name }, Content = publication.Content, UsersWhoLike = null, DateOfCreate = DateTime.Now }; _publicationService.Create(publicationDTO); return(Ok("Publication was creat successful")); } else { return(BadRequest("Incorrect input data!")); } }