//post request to add airport
public async Task <HttpResponseMessage> PostAsync(Airport airport)
{
List <Airport> airports = await sqlDbHelper.GetAirports();
// to check if there's an existing airport with the same code
if (airports.Find(a => a.Code == airport.Code) == null)
{
// in case it does not exist a ok status code and created message are returned
await sqlDbHelper.AddAirport(airport);
return(Request.CreateResponse(HttpStatusCode.OK, "Created"));
}
else
{
// in case it does, an ok status code and cannoted be created message are returned
return(Request.CreateResponse(HttpStatusCode.OK, "Cannot be created!"));
}
}