public async override void OnNavigatedTo(NavigatedToEventArgs e, Dictionary <string, object> viewModelState)
{
string errorMessage = string.Empty;
try
{
var productNumber = e.Parameter as string;
var selectedProduct = await _productCatalogRepository.GetProductAsync(productNumber);
var productViewModels = (await _productCatalogRepository.GetProductsAsync(selectedProduct.SubcategoryId))
.Select(product => new ProductViewModel(product, _shoppingCartRepository, _alertService, _resourceLoader));
var items = new ReadOnlyCollection <ProductViewModel>(productViewModels.ToList());
Items = items;
SelectedProduct = Items.First(p => p.ProductNumber == productNumber);
SelectedIndex = items.IndexOf(SelectedProduct);
Title = SelectedProduct.Title;
}
catch (Exception ex)
{
errorMessage = string.Format(CultureInfo.CurrentCulture, _resourceLoader.GetString("GeneralServiceErrorMessage"), Environment.NewLine, ex.Message);
}
if (!string.IsNullOrWhiteSpace(errorMessage))
{
await _alertService.ShowAsync(errorMessage, _resourceLoader.GetString("ErrorServiceUnreachable"));
}
if (e.NavigationMode != NavigationMode.New)
{
base.OnNavigatedTo(e, viewModelState);
}
}
