protected internal virtual VatRegion GetVatRegion([NotNull] Order order)
{
Assert.ArgumentNotNull(order, "order");
VatRegion result = null;
if (order.TaxTotal != null)
{
if (order.TaxTotal.TaxSubtotal.Count > 0)
{
TaxSubTotal taxSubTotal = order.TaxTotal.TaxSubtotal.FirstOrDefault();
Assert.IsNotNull(taxSubTotal, "taxSubTotal cannot be null.");
TaxCategory taxCategory = taxSubTotal.TaxCategory;
Assert.IsNotNull(taxCategory, "taxCategory cannot be null.");
string code = taxCategory.Name;
if (string.IsNullOrEmpty(code))
{
return(null);
}
result = this.GetVatRegion(code);
}
}
return(result);
}
/// <summary>
/// Resolves the preconditions: product and totals.
/// </summary>
/// <param name="order">The order.</param>
/// <param name="productCode">The product code.</param>
protected internal virtual void ResolvePreConditions([NotNull] Order order, [NotNull] string productCode)
{
Assert.ArgumentNotNull(order, "order");
Assert.ArgumentNotNull(productCode, "productCode");
this.needResolvePreConditions = false;
this.product = this.ProductRepository.Get <Product>(productCode);
Assert.IsNotNull(this.product, "Product cannot be resolved");
this.currency = this.CurrencyProvider.Get(order.PricingCurrencyCode);
Assert.IsNotNull(this.currency, "Currency cannot be resolved");
this.totals = this.ProductPriceManager.GetProductTotals <DomainModel.Prices.Totals, Product, Currency>(this.product, this.currency);
Assert.IsNotNull(this.totals, "Totals cannot be resolved");
VatRegion vatRegion = this.GetVatRegion(order);
this.vat = vatRegion != null ? ((ProductPriceManager)this.ProductPriceManager).GetVat(this.product, vatRegion) : this.totals.VAT;
}
/// <summary>
/// Gets the value-added tax.
/// </summary>
/// <typeparam name="TProduct">The type of the product.</typeparam>
/// <param name="product">The product.</param>
/// <param name="vatRegion">The vat region.</param>
/// <returns>
/// The value-added tax.
/// </returns>
public virtual decimal GetVat <TProduct>(TProduct product, VatRegion vatRegion = null) where TProduct : Product
{
Assert.ArgumentNotNull(product, "product");
if (string.IsNullOrEmpty(product.VatType))
{
Log.Warn(string.Format("Value-added tax field of product '{0}' is null or empty", product.Title), this);
return(decimal.Zero);
}
Item vatTypeItem = this.Database.GetItem(product.VatType);
if (vatTypeItem == null)
{
Log.Warn("Value-added tax item is null", this);
return(decimal.Zero);
}
Item vatValueItem = null;
if (vatRegion is IEntity)
{
vatValueItem = vatTypeItem.Axes.SelectSingleItem(string.Format("./*[@VAT Region ='{0}']", (vatRegion as IEntity).Alias));
}
if (vatValueItem == null)
{
vatValueItem = vatTypeItem.Axes.SelectSingleItem(string.Format("./*[@VAT Region ='{0}']", this.GeneralSettings.DefaultVatRegion));
}
string vatValue = vatValueItem != null ? vatValueItem["VAT Value"] : "0";
decimal vat;
decimal.TryParse(vatValue, NumberStyles.Float, CultureInfo.InvariantCulture, out vat);
return(vat);
}
