public IActionResult FindNearest(string cities)
{
string host = "https://homework.appulate.com/api";
var s = new AirportService(host);
string[] arr = cities.Split(",");
try {
var list = s.GetAirports(arr).Result;
if (list.Count == 0)
{
return(Ok("There are no airports found for cities"));
}
else
{
List <AirportPair> pairs = s.CalculateDistance(list);
List <AirportPair> shortest = new List <AirportPair>();
foreach (AirportPair ap in pairs)
{
var p = shortest.Where(a => a.IsSameRoute(ap)).SingleOrDefault();
if (p == null)
{
shortest.Add(ap);
}
else if (ap.Distance < p.Distance)
{
shortest[shortest.FindIndex(a => a.IsSameRoute(p))] = ap;
}
}
if (shortest.Count == 0)
{
return(Ok("Can't build pair of cities"));
}
else
{
return(Ok(shortest));
}
}
} catch (Exception ex) {
return(StatusCode(500, ex.Message));
} finally {
s.Dispose();
}
}
