public async Task <List <LocationLatLng> > GetPostcodeZipLatLongFromFile(string fileName)
{
List <LocationLatLng> fullPostcodesList = new List <LocationLatLng>();
var allProcessedData = await File.ReadAllLinesAsync(fileName);
foreach (var line in allProcessedData)
{
if (String.IsNullOrWhiteSpace(line))
{
continue;
}
LocationLatLng p = new LocationLatLng(line);
fullPostcodesList.Add(p);
}
return(fullPostcodesList);
}
public async Task <List <LocationLatLng> > GetVendorsCustomerCanVisit(LocationLatLng customerWithRadius)
{
var customerCoordinates = new Coordinate(customerWithRadius.Latitude, customerWithRadius.Longitude);
List <LocationLatLng> vendorsWhoMatch = new List <LocationLatLng>();
var vendors = await _vendorData.GetVendors();
foreach (var vendor in vendors)
{
var vendorLocation = new Coordinate(vendor.Latitude, vendor.Longitude);
double distance = GeoCalculator.GetDistance(customerCoordinates, vendorLocation, 0, DistanceUnit.Meters);
if (distance < customerWithRadius.RadiusInMeters)
{
vendorsWhoMatch.Add(vendor);
}
}
return(vendorsWhoMatch);
}