public void UpdatePrice()
{
var price = RestaurantMenuItemModifierPage.UpdatePrice(MenuItemView.RestaurantMenuItem.MenuItemVM, ListRMenuGroupModifierVM, this.Quantity);
if (price.HasValue)
{
mPrice = price.Value;
}
else
{
mPrice = 0;
}
OnPropertyChanged(nameof(Price));
OnPropertyChanged(nameof(DisplayPrice));
}
public MyCartPage(RestaurantDetailPage restaurantDetailPage)
{
RestaurantDetailPage = restaurantDetailPage;
InitializeComponent();
NavigationPage.SetBackButtonTitle(this, AppResources.Back);
var listMenuItemViews = RestaurantDetailPage.ListMenuItemViews.Values.SelectMany(t => t);
listMenuGroupModifierItemSelected = listMenuItemViews
.SelectMany(t => t.ListMenuGroupModifierItemSelected)
.ToList();
if (listMenuGroupModifierItemSelected.Count == 0)
{
ButtonCheckout.IsEnabled = false;
}
var cartItemsSource = new ObservableCollection <CartMenuGroupModifierItemViewModel>();
var deleteAction = new Action <CartMenuGroupModifierItemViewModel>((t) =>
{
cartItemsSource.Remove(t);
listMenuGroupModifierItemSelected.Remove(t.Model);
foreach (var listMenuItemView in listMenuItemViews)
{
listMenuItemView.ListMenuGroupModifierItemSelected.Remove(t.Model);
listMenuItemView.IsSelected = listMenuItemView.ListMenuGroupModifierItemSelected.Count > 0;
}
UpdatePrice();
if (listMenuGroupModifierItemSelected.Count == 0)
{
ButtonCheckout.IsEnabled = false;
}
});
var cartItems = listMenuGroupModifierItemSelected.Select(t => new CartMenuGroupModifierItemViewModel(t, deleteAction)).ToList();
foreach (var cartItem in cartItems)
{
cartItemsSource.Add(cartItem);
}
ListViewCarts.ItemsSource = cartItemsSource;
UpdatePrice();
ListViewCarts.ItemTapped += (sender, e) =>
{
CartMenuGroupModifierItemViewModel cartMenuGroupModifierItem = e.Item as CartMenuGroupModifierItemViewModel;
ListViewCarts.SelectedItem = null;
RestaurantMenuItemModifierPage restaurantMenuItemModifierPage = new RestaurantMenuItemModifierPage(RestaurantDetailPage.RestaurantVM, cartMenuGroupModifierItem.Model.MenuItemView, cartMenuGroupModifierItem.Model);
restaurantMenuItemModifierPage.Saved += (obj) =>
{
Device.BeginInvokeOnMainThread(() =>
{
obj.RaiseAllOnChanged();
UpdatePrice();
});
};
Utils.PushAsync(Navigation, restaurantMenuItemModifierPage, true);
};
ButtonCheckout.Clicked += async(sender, e) =>
{
UserFacade userFacade = new UserFacade();
try
{
var isSucceed = false;
this.IsBusy = true;
if (restaurantDetailPage.GroupedDeliveryDestination != null)
{
Shared.LocalAddress = restaurantDetailPage.GroupedDeliveryDestination.Address;
}
var serviceAddress = new AddressFacade().GetUserAddress();
var myCartPage = new PlaceOrderPage(String.Empty, RestaurantDetailPage, serviceAddress);
await Utils.PushAsync(Navigation, myCartPage, true);
this.IsBusy = false;
}
catch (Exception ex)
{
this.IsBusy = false;
Device.BeginInvokeOnMainThread(async() =>
{
var message = string.IsNullOrEmpty(ex.Message) ? AppResources.SomethingWentWrong : ex.Message;
await Utils.ShowErrorMessage(message, 5);
});
}
};
}
