public async Task AddToCart()
{
string errorMessage = string.Empty;
try
{
await _shoppingCartRepository.AddProductToShoppingCartAsync(ProductNumber);
}
catch (Exception e)
{
errorMessage = e.Message;
}
if (!string.IsNullOrWhiteSpace(errorMessage))
{
await _alertMessageService.ShowAsync(_resourceLoader.GetString("ErrorServiceUnreachable"), _resourceLoader.GetString("Error"));
}
}
private async Task IncrementCount()
{
string errorMessage = string.Empty;
try
{
await _shoppingCartRepository.AddProductToShoppingCartAsync(SelectedItem.ProductId);
SelectedItem.Quantity += 1;
DecrementCountCommand.RaiseCanExecuteChanged();
}
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"));
}
}
public async Task AddProductToShoppingCart(Product product, int quantity, Guid cartGuid)
{
ShoppingCart cart = await _shoppingCartRepository.GetShoppingCart(cartGuid);
ShoppingCartProduct existingCartProduct = null;
if (cart.ShoppingCartProducts != null)
{
existingCartProduct = cart.ShoppingCartProducts.FirstOrDefault(x => x.ProductId == product.Id);
}
if (existingCartProduct != null && existingCartProduct.Quantity > 0)
{
existingCartProduct.Quantity += quantity;
await _shoppingCartRepository.UpdateProductInShoppingCartAsync(existingCartProduct);
}
else
{
await _shoppingCartRepository.AddProductToShoppingCartAsync(cart.Id, product.Id, quantity);
}
}
