//discount and gift card boxes
model.DiscountBox.Display = _shoppingCartSettings.ShowDiscountBox;
var discountCouponCodes = _workContext.CurrentCustomer.ParseAppliedDiscountCouponCodes();
foreach (var couponCode in discountCouponCodes)
{
// if discount is null then get the exception. It should handled by code.
var discount = _discountService.GetAllDiscountsForCaching(couponCode: couponCode)
.FirstOrDefault(d => d.RequiresCouponCode && _discountService.ValidateDiscount(d, _workContext.CurrentCustomer).IsValid);
model.DiscountBox.AppliedDiscountsWithCodes.Add(new ShoppingCartModel.DiscountBoxModel.DiscountInfoModel()
{
Id = discount.Id, // exception here
CouponCode = discount.CouponCode // exception here
});
}
Exception: When discount is null then get the following exception. It should handled by code.
at Nop.Web.Factories.ShoppingCartModelFactory.PrepareShoppingCartModel(ShoppingCartModel model, IList`1 cart, Boolean isEditable, Boolean validateCheckoutAttributes, Boolean prepareEstimateShippingIfEnabled, Boolean setEstimateShippingDefaultAddress, Boolean prepareAndDisplayOrderReviewData) in ~\Presentation\Nop.Web\Factories\ShoppingCartModelFactory.cs:line 821
at Nop.Web.Controllers.ShoppingCartController.Cart() in ~\Presentation\Nop.Web\Controllers\ShoppingCartController.cs:line 1257
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters)
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<BeginInvokeSynchronousActionMethod>b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
