public ActionResult Save(Creature creature)
        {
            if (!ModelState.IsValid)
            {
                var ViewModel = new CreatureFormViewModel
                {
                    creature   = creature,
                    privileges = _context.Privileges.ToList()
                };
                return(View("CreatureForm", ViewModel));
            }

            if (creature.Id == 0)
            {
                _context.Creatures.Add(creature);
            }
            else
            {
                var creatureInDb = _context.Creatures.Single(c => c.Id == creature.Id);
                creatureInDb.Name        = creature.Name;
                creatureInDb.PrivilegeId = creature.PrivilegeId;
                creatureInDb.Birthdate   = creature.Birthdate;
            }
            _context.SaveChanges();
            return(RedirectToAction("Index", "Creature"));
        }
        public ActionResult CreatureForm()
        {
            var privilege = _context.Privileges.ToList();
            var ViewModel = new CreatureFormViewModel
            {
                creature   = new Creature(),
                privileges = privilege
            };

            return(View(ViewModel));
        }
        //public ActionResult Details(int id)
        //{
        //    var creature = _context.Creatures.Include(c => c.Privilege).SingleOrDefault(c => c.Id == id);
        //    if (creature == null)
        //        return HttpNotFound();
        //    return View(creature);
        //}
        public ActionResult Edit(int id)
        {
            var Creature = _context.Creatures.SingleOrDefault(c => c.Id == id);

            if (Creature == null)
            {
                return(HttpNotFound());
            }

            else
            {
                var ViewModel = new CreatureFormViewModel
                {
                    creature   = Creature,
                    privileges = _context.Privileges.ToList()
                };

                return(View("CreatureForm", ViewModel));
            }
        }