public void CalculateDistance()
{
// Arrange
GeoCoordinateVo latitude1 = new GeoCoordinateVo(51.5f);
GeoCoordinateVo longitude1 = new GeoCoordinateVo(0);
GeoCoordinatesVo coordinates1 = new GeoCoordinatesVo(latitude1, longitude1);
GeoCoordinateVo latitude2 = new GeoCoordinateVo(38.8f);
GeoCoordinateVo longitude2 = new GeoCoordinateVo(-77.1f);
GeoCoordinatesVo coordinates2 = new GeoCoordinatesVo(latitude2, longitude2);
LocationDistanceCalculator calculator = new LocationDistanceCalculator(coordinates1, coordinates2);
// Act
var result = Math.Round(calculator.CalculateDistanceInMeters(), 2);
// Assert
Assert.Equal(5918185.06, result);
}
private UserDto FindTheClosestDonator(UserDto requestor, ICollection <UserDto> donators)
{
UserDto closestDonator = null;
double shortestDistance = Single.NaN;
double distance = Single.NaN;
LocationDistanceCalculator calculator = null;
foreach (var donator in donators)
{
calculator = new LocationDistanceCalculator(new GeoCoordinatesVo(requestor.geoCoordinatesDto), new GeoCoordinatesVo(donator.geoCoordinatesDto));
distance = calculator.CalculateDistanceInMiles();
if (distance < shortestDistance)
{
shortestDistance = distance;
closestDonator = donator;
}
}
return(closestDonator);
}