public async override void OnNavigatedTo(object navigationParameter, NavigationMode navigationMode, Dictionary <string, object> viewModelState)
{
var categoryId = Convert.ToInt32(navigationParameter);
string errorMessage = string.Empty;
try
{
var category = await _productCatalogRepository.GetCategoryAsync(categoryId);
Title = category.Title;
var products = await _productCatalogRepository.GetProductsAsync(categoryId);
Items = new ReadOnlyCollection <ProductViewModel>(products
.Select(product => new ProductViewModel(product))
.ToList());
}
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"));
}
}
