public async Task <ActionResult <UserDTO> > EditUser(Guid userId, UserDTO userDTO)
        {
            try
            {
                //check object
                if (userDTO == null || userId == null)
                {
                    return(BadRequest());
                }
                var newUser = mapper.Map <User>(userDTO);
                newUser.Id = userId;
                if (!await repo.Exists(newUser, userId))
                {
                    return(NotFound("User not found"));
                }

                ////get old object

                //User olduser = await repo.GetAsyncByGuid(userId);
                //if (olduser == null) return NotFound("User not found");

                //update

                await repo.Update(newUser, userId);

                return(NoContent());
            }
            catch (Exception ex)
            {
                logger.LogError(ex.Message);
                return(BadRequest("User could not be updated."));
            }
        }
        public async Task <IActionResult> PutCategory(int id, CategoryDTO categoryDTO)
        {
            //1. altijd null check naast supplementaire Id check
            if (categoryDTO == null || id != categoryDTO.Id)
            {
                return(BadRequest());
            }

            //2. mapping
            var category = mapper.Map <Category>(categoryDTO);

            if (category == null)
            {
                return(BadRequest(new { Message = "Onvoldoende data bij de categorie" }));
            }

            //3. validatie
            if (!ModelState.IsValid)
            {
                return(BadRequest(new { Message = $"Geen geldige input. {ModelState}" }));
            }

            // _context.Entry(category).State = EntityState.Modified;

            try
            {
                Category categorySearch = (await genericRepo.GetByExpressionAsync(c => c.Id == categoryDTO.Id)).FirstOrDefault();

                await genericRepo.Update(mapper.Map <Category>(categoryDTO), id);
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!genericRepo.Exists(category, id).Result)

                {
                    return(NotFound());
                }
                else
                {
                    return(RedirectToAction("HandleErrorCode", "Error", new
                    {
                        statusCode = 400,
                        errorMessage = $"De categorie '{category.CategoryName}' werd niet aangepast."
                    }));
                }
            }

            return(NoContent());
        }