public Route GetRoute(Location source, Location destination)
{
var json = _jsonDownloader.DownloadRouteJson(source, destination);
var route = new Route() { Source = source, Destination = destination };
return PopulateRoute(route, json);
}
private Route PopulateRoute(Route route, dynamic json)
{
if (json["status"] == "NOT_FOUND")
throw new Exception(string.Format(
"Either the source address ({0}) or the destination address ({1}) does not exist",
route.Source.Address, route.Destination.Address));
var path = json["routes"][0]["legs"][0];
route.Distance = path["distance"]["text"];
route.Duration = path["duration"]["text"];
route.DurationValue = path["duration"]["value"];
return route;
}
private IEnumerable<string> GetColumns(Route route)
{
return new[] { route.Source.Name, route.Destination.Name, route.Duration, route.Distance };
}
private string FormatRoute(Route route)
{
return GetColumns(route).Zip(_columnWidths, (str, len) => str.PadRight(len + 4, ' '))
.Aggregate(new StringBuilder(), (running, current) => running.Append(current))
.ToString();
}