public async Task <OrderPricingDto> HandleAsync(GetOrderPricing query)
{
var customer = await _client.GetAsync(query.CustomerId);
if (customer is null)
{
throw new CustomerNotFoundException(query.CustomerId);
}
var customerDiscount = _service.CalculateDiscount(customer.AsEntity());
var orderDiscountPrice = query.OrderPrice - customerDiscount * query.OrderPrice;
_logger.LogInformation($"Calculated the pricing for the customer with id: {query.CustomerId}, " +
$"base order price: {query.OrderPrice} $, discount: {customerDiscount} $, " +
$"final price: {orderDiscountPrice} $.");
return(new OrderPricingDto
{
CustomerDiscount = customerDiscount,
OrderPrice = query.OrderPrice,
OrderDiscountPrice = orderDiscountPrice > 0 ? orderDiscountPrice : query.OrderPrice
});
}
