public async Task <IActionResult> AddToUser(string userId, string assignmentId)
        {
            User user = await _userManager.FindByIdAsync(userId);

            AssignmentDTO assignment = _Assignment.GetAssignment(assignmentId);

            if (user == null)
            {
                return(NotFound());
            }
            if (assignment == null)
            {
                return(NotFound());
            }
            _UserAssignment.AddUserAssignment(assignment, user);

            /*string hostemail = _configuration.GetValue<string>("MySettings:Email");
             * string hosppassword = _configuration.GetValue<string>("MySettings:Password");
             * int port = _configuration.GetValue<int>("MySettings:SMTPPort");
             * EmailService emailService = new EmailService();
             * await emailService.SendEmailAsync(user.Email, "You resieved a new assignment XD",
             *  $"We granted you a new assignment =) {assignment.Name}, please check it", hostemail, hosppassword, port);*/
            return(RedirectToAction("Index", "Users", userId));
        }