private async Task UpdateShoppingCartInfoAsync()
{
string errorMessage = string.Empty;
try
{
_shoppingCart = await _shoppingCartRepository.GetShoppingCartAsync();
if (_shoppingCart != null && _shoppingCart.ShoppingCartItems != null)
{
ShoppingCartItemViewModels = new ObservableCollection<ShoppingCartItemViewModel>();
foreach (var item in _shoppingCart.ShoppingCartItems)
{
var shoppingCartItemViewModel = new ShoppingCartItemViewModel(item, _resourceLoader);
shoppingCartItemViewModel.PropertyChanged += ShoppingCartItemViewModel_PropertyChanged;
ShoppingCartItemViewModels.Add(shoppingCartItemViewModel);
}
CheckoutCommand.RaiseCanExecuteChanged();
OnPropertyChanged("FullPrice");
OnPropertyChanged("TotalDiscount");
OnPropertyChanged("TotalPrice");
}
}
catch (Exception ex)
{
errorMessage = string.Format(CultureInfo.CurrentCulture, _resourceLoader.GetString("GeneralServiceErrorMessage"), Environment.NewLine, ex.Message);
}
if (!string.IsNullOrWhiteSpace(errorMessage))
{
await _alertMessageService.ShowAsync(errorMessage, _resourceLoader.GetString("ErrorServiceUnreachable"));
}
}