public async Task <IActionResult> OnPostAsync(int productId, int quantity = 1)
{
ShoppingCart cart = await _starzApplicationService.GetShoppingCartAsync();
await cart.AddProductByIdAsync(productId, quantity);
return(RedirectToPage("/Cart/Index"));
}
public async Task <IActionResult> OnPostAsync(string couponCode)
{
ShoppingCart cart = await _starzApplicationService.GetShoppingCartAsync();
await cart.RemoveCouponByCodeAsync(couponCode);
return(RedirectToPage("/Cart/Index"));
}
public async Task <IActionResult> OnPostAsync(int productId, int quantity)
{
ShoppingCart cart = await _starzApplicationService.GetShoppingCartAsync();
ShoppingCartItem item = cart.Items.FirstOrDefault(o => o.Product.ProductId == productId);
if (item == null)
{
throw new InvalidOperationException("Could not find that product.");
}
item.Quantity = quantity;
await item.SaveChanges();
return(RedirectToPage("/Cart/Index"));
}
public async Task <IActionResult> OnPostAsync(string couponCode)
{
ShoppingCart cart = await _starzApplicationService.GetShoppingCartAsync();
try
{
await cart.AddCouponByCodeAsync(couponCode);
return(RedirectToPage("/Cart/Index"));
}
catch (InvalidOperationException e)
{
return(RedirectToPage("/Cart/Index", new { couponError = e.Message }));
}
}
public async Task OnGetAsync()
{
_cart = await _starzApplicationService.GetShoppingCartAsync();
}
public async Task OnGetAsync(string couponError = null)
{
_cart = await _starzApplicationService.GetShoppingCartAsync();
CouponError = couponError;
}