public async Task <IActionResult> ChangeUser(ChangeUserViewModel model)
        {
            if (ModelState.IsValid)
            {
                var path = model.ImageUrl;

                if (model.ImageFile != null)
                {
                    path = await _imageHelper.UploadImageAsync(model.ImageFile, "People");
                }

                var user = await _userHelper.GetUserByEmailAsync(User.Identity.Name);

                if (user != null)
                {
                    if (await _userHelper.IsUserInRoleAsync(user, "Admin"))
                    {
                        var admin = _converterHelper.ToAdmin(model, path);
                        await _adminRepository.UpdateAsync(admin);

                        ViewBag.UserMessage = "User updated";
                    }
                    else if (await _userHelper.IsUserInRoleAsync(user, "Client"))
                    {
                        var client = _converterHelper.ToClient(model, path);
                        await _clientRepository.UpdateAsync(client);

                        ViewBag.UserMessage = "User updated";
                    }
                    else if (await _userHelper.IsUserInRoleAsync(user, "Secretary"))
                    {
                        var secretary = _converterHelper.ToSecretary(model, path);
                        await _secretaryRepository.UpdateAsync(secretary);

                        ViewBag.UserMessage = "User updated";
                    }
                    else if (await _userHelper.IsUserInRoleAsync(user, "Mechanic"))
                    {
                        var mecanic = _converterHelper.ToMecanic(model, path);
                        await _mechanicRepository.UpdateAsync(mecanic);

                        ViewBag.UserMessage = "User updated";
                    }
                }
                else
                {
                    ModelState.AddModelError(string.Empty, "User not found.");
                }
            }

            return(View(model));
        }