public Task <decimal> GetCartItemSubTotal(CartItem cartItem)
{
try
{
decimal subTotal = 0;
_pricingEngine.SetPricingStrategy(new DefaultStrategy(_productRepository));
subTotal += _pricingEngine.CalculateCartPrice(cartItem).Result;
if (cartItem.ExtraChese)
{
_pricingEngine.SetPricingStrategy(new ApplyCheeseStrategy(_productRepository));
subTotal += _pricingEngine.CalculateCartPrice(cartItem).Result;
}
if (cartItem.Sauce != SauceType.None)
{
_pricingEngine.SetPricingStrategy(new ApplySauceStrategy(_productRepository));
subTotal += _pricingEngine.CalculateCartPrice(cartItem).Result;
}
if (cartItem.Toppings?.Count > 0)
{
_pricingEngine.SetPricingStrategy(new ApplyToppingsStrategy(_productRepository));
subTotal += _pricingEngine.CalculateCartPrice(cartItem).Result;
}
return(Task.FromResult(subTotal));
}
catch (Exception ex)
{
throw new CustomException("Error While calculating CartItemSubTotal!!", ex);
}
}
