// GET: Orders/Edit/5
        public async Task <IActionResult> Edit(Guid?id)
        {
            if (id == null)
            {
                return(NotFound());
            }
            var userIdTKey = User.IsInRole("Admin") ? null : (Guid?)User.UserGuidId();
            OrderCreateEditViewModel vm = null !;

            if (User.IsInRole("Restaurant"))
            {
                vm = new OrderCreateEditViewModel {
                    Order = await _bll.Orders.FirstOrDefaultAsync(id.Value)
                };
            }
            else
            {
                vm = new OrderCreateEditViewModel {
                    Order = await _bll.Orders.FirstOrDefaultAsync(id.Value, userIdTKey)
                };
            }
            if (vm.Order == null)
            {
                return(NotFound());
            }
            vm.Restaurants = new SelectList(await _bll.Restaurants.GetAllAsync(), nameof(BLL.App.DTO.Restaurant.Id), nameof(BLL.App.DTO.Restaurant.Name), vm.Order.RestaurantId);
            return(View(vm));
        }
        public async Task <IActionResult> Edit(Guid id, OrderCreateEditViewModel vm)
        {
            if (id != vm.Order.Id)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    vm.Order.AppUserId = User.UserGuidId();
                    await _bll.Orders.UpdateAsync(vm.Order);

                    await _bll.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!OrderExists(vm.Order.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            vm.Restaurants = new SelectList(await _bll.Restaurants.GetAllAsync(), nameof(BLL.App.DTO.Restaurant.Id), nameof(BLL.App.DTO.Restaurant.Name), vm.Order.RestaurantId);
            return(View(vm));
        }
        // GET: Orders/Create
        public IActionResult Create()
        {
            var vm = new OrderCreateEditViewModel {
                Restaurants = new SelectList(_bll.Restaurants.GetAll(), nameof(BLL.App.DTO.Restaurant.Id), nameof(BLL.App.DTO.Restaurant.Name))
            };

            return(View(vm));
        }
        public async Task <IActionResult> Create(OrderCreateEditViewModel vm)
        {
            vm.Order.AppUserId = User.UserGuidId();
            if (ModelState.IsValid)
            {
                vm.Order.Id = Guid.NewGuid();
                _bll.Orders.Add(vm.Order);
                await _bll.SaveChangesAsync();

                return(RedirectToAction(nameof(Index)));
            }
            vm.Restaurants = new SelectList(await _bll.Restaurants.GetAllAsync(), nameof(BLL.App.DTO.Restaurant.Id), nameof(BLL.App.DTO.Restaurant.Name), vm.Order.RestaurantId);
            return(View(vm));
        }