public ProductChangeCountCommand(IProductPriceInfo product, int newProductCount)
{
if (newProductCount <= 0)
{
throw new ArgumentOutOfRangeException(nameof(newProductCount));
}
_product = product ?? throw new ArgumentNullException(nameof(product));
_oldProductCount = _product.Product.StockQty;
_newProductCount = newProductCount;
}
public void ChangeProductQty(IProductPriceInfo product, int newProductQty)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
var changeProductCountCommand = _productCommandFactory.CreateChangeProductCountCommand(product, newProductQty);
_commandManager.ExecuteCommand(changeProductCountCommand);
}
public void RemoveProduct(IProductPriceInfo product)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
var removeProductCommand = _productCommandFactory.CreateRemoveProductCommand(Products, product);
_commandManager.ExecuteCommand(removeProductCommand);
}
public void SetProductCoupon(IProductPriceInfo product, IProductCoupon coupon)
{
if (product == null)
{
throw new ArgumentNullException(nameof(product));
}
if (coupon == null)
{
throw new ArgumentNullException(nameof(coupon));
}
var addCouponCommand = _productCouponFactory.CreateSetCouponCommand(product, coupon);
_commandManager.ExecuteCommand(addCouponCommand);
}
public decimal GetTotalPrice(IProductPriceInfo productInfo)
{
if (productInfo == null)
{
throw new ArgumentNullException(nameof(productInfo));
}
if (productInfo.Product.Price < 0)
{
throw new ArgumentOutOfRangeException(nameof(productInfo.Product.Price));
}
if (productInfo.InCartQty < 0)
{
throw new ArgumentOutOfRangeException(nameof(productInfo.InCartQty));
}
var totalPriceWithNoDiscount = productInfo.InCartQty * productInfo.Product.Price;
return(productInfo.InCartQty >= _minimumProductCountForDiscount
? totalPriceWithNoDiscount * (1 - Discount)
: totalPriceWithNoDiscount);
}
public SetCouponToProductCommand(IProductPriceInfo product, IProductCoupon newProductCoupon)
{
_product = product;
_newCoupon = newProductCoupon;
_previousCoupon = _product.Coupon;
}
public ICommand CreateSetCouponCommand(IProductPriceInfo product, IProductCoupon newCoupon)
{
return(new SetCouponToProductCommand(product, newCoupon));
}
public ICommand CreateAddProductCommand(IList <IProductPriceInfo> products, IProductPriceInfo product)
{
return(new ProductAddCommand(products, product));
}
public ICommand CreateChangeProductCountCommand(IProductPriceInfo product, int count)
{
return(new ProductChangeCountCommand(product, count));
}
public ICommand CreateRemoveProductCommand(IList <IProductPriceInfo> products, IProductPriceInfo product)
{
return(new ProductRemoveCommand(products, product));
}
public ProductRemoveCommand(IList <IProductPriceInfo> products, IProductPriceInfo product)
{
_products = products ?? throw new ArgumentNullException(nameof(products));
_product = product ?? throw new ArgumentNullException(nameof(product));
}
