public virtual Money Calculate(IWashProgram program, Currency currency)
{
Money totalPrice = program
.GetWashSteps()
.Select(x => x.Price)
.Aggregate((x, y) => x + y);
return converter.Convert(totalPrice, currency);
}
public virtual string Build()
{
var builder = new StringBuilder();
builder.AppendLine($"Recepient: {_invoice.Recepient}");
builder.AppendLine($"Program type: {_invoice.WashProgram.Name}");
builder.AppendLine("-----------------------------");
foreach (var washStep in _invoice.WashProgram.GetWashSteps())
{
builder.AppendLine($" * {washStep.GetDescription()} - {_converter.Convert(washStep.Price, _currency)}");
}
builder.AppendLine("-----------------------------");
builder.AppendLine($"Total price: {_invoice.Price}");
builder.AppendLine($"Discount: {_discount}%");
return(builder.ToString());
}