// The 'ICustomerPriceCalculatorFactory' is being injected via the constructor since we are using an IoC container that supports ctor injections only.
// With a more sophisticated IoC container it would be best to inject this service in the 'IAmountCalculator.Calculate()'.
public InvoiceBuilder(
ICurrencyRateConverter converter,
IPriceCalculatorFactory calculatorFactory)
{
_invoice = new Invoice();
_converter = converter;
_calculatorFactory = calculatorFactory;
}
public CompanyPriceCalculator(ICurrencyRateConverter converter)
: base(converter)
{
}
public PriceCalculator(ICurrencyRateConverter converter)
{
this.converter = converter;
}
public IndividualPriceCalculator(ICurrencyRateConverter converter)
: base(converter)
{
}
internal static IDictionary <CustomerType, Func <IPriceCalculator> > GetPriceCalculators(ICurrencyRateConverter converter) =>
new Dictionary <CustomerType, Func <IPriceCalculator> >()
{
{ CustomerType.Individual, () => new IndividualPriceCalculator(converter) },
{ CustomerType.Company, () => new CompanyPriceCalculator(converter) }
};
