public IActionResult Add()
        {
            var users     = this.usersService.GetAllUsers <UsersListViewModel>();
            var viewModel = new ModeratorsAddViewModel {
                Users = users
            };

            return(this.View(viewModel));
        }
        public async Task <IActionResult> Add(ModeratorsAddViewModel input)
        {
            foreach (var user in input.Users)
            {
                if (user.Selected)
                {
                    await this.usersService.AddToModeratorRoleAsync(user.Id);
                }
            }

            this.TempData["SuccessEditRecipe"] = SuccessAddUsersToModeratorRole;

            return(this.Redirect("/"));
        }