public async Task <PriceDto> CalculatePriceAsync(CalculatePriceDto calculatePriceDto)
{
var pickUpAddress = calculatePriceDto.PickUpLocation.Address;
var dropOffAddress = calculatePriceDto.DropOffLocation.Address;
var key = $"{pickUpAddress}|{dropOffAddress}";
var pricing = await _pricingRepository.GetPricingAsync(key);
if (pricing == null)
{
var response = await MakeRequest(pickUpAddress, dropOffAddress);
if (response.IsSuccessStatusCode)
{
var responseString = await response.Content.ReadAsStringAsync();
var metrix = JsonConvert.DeserializeObject <DistanceMetrixDto>(responseString);
if (metrix.Status.ToUpper() != HttpStatusCode.OK.ToString())
{
throw new PricingDomainException(metrix.ErrorMessage);
}
var row = metrix.Rows.FirstOrDefault();
if (row == null)
{
throw new PricingDomainException("Please try again with different address");
}
var element = row.Elements.FirstOrDefault();
if (element == null)
{
throw new PricingDomainException("Please try again with different address");
}
var distanceKilometers = element.Distance.Value / 1000; //to kilometers
var durationMinutes = element.Duration.Value / 60; //to minutes
var calculatedPrice =
distanceKilometers + durationMinutes / 10 +
calculatePriceDto.Weight / 10; // simple price calculation formula
pricing = new Model.Pricing
{
Price = calculatedPrice, Distance = distanceKilometers, Duration = durationMinutes
};
await _pricingRepository.InsertPricingAsync(key, pricing);
}
else
{
throw new PricingDomainException(await response.Content.ReadAsStringAsync());
}
}
return(MapToPriceDto(pricing));
}
public async Task <IActionResult> CalculatePriceAsync(CalculatePriceDto calculatePriceDto)
{
return(Ok(await _pricingService.CalculatePriceAsync(calculatePriceDto)));
}