public IEnumerable <Customer> Find(Configuration configuration)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
var customerLocations = locationReader.Read(configuration.CustomerPath);
var boundingRectangle = distanceCalculator.GetBoundingRectangle(configuration.MaxDistance, configuration.OfficeLocation);
foreach (var customerLocationItem in customerLocations)
{
if (!boundingRectangle.DoesContain(customerLocationItem.Location))
{
continue;
}
var distance = distanceCalculator.CalculateDistanceAsKm(customerLocationItem.Location, configuration.OfficeLocation);
if (distance > configuration.MaxDistance)
{
continue;
}
yield return(customerLocationItem.Customer);
}
}
