/// <summary>
/// Returns a stop with a given id. If there is no stop with the given
/// id, returns null.
/// </summary>
public static TFStop SearchStopWithId(ITransitFeedData data, string id)
{
if (data.Stops.ContainsKey(id))
{
return(data.Stops[id]);
}
else
{
return(null);
}
}
/// <summary>
/// Returns all of the top level stations that a given RouteType stops
/// at.
/// </summary>
public static IEnumerable <TFStop> SearchStationsWithRouteType(ITransitFeedData data, TFRouteType type)
{
// RouteType is stored in the route object. Trace this through to
// the list of stops that have that RouteType.
var routes = data.Routes.Where(m => m.Value.Type == type);
var trips = routes.SelectMany(r => r.Value.Trips);
var stops = trips.SelectMany(t => t.Stops);
// Convert to HashSet to remove any duplicate stops that might
// be added through the select statements.
var distinctStops = stops.ToHashSet();
// From these stops, need to follow up to the highest level parent.
// This ensures that we're returning the actual station and not
// individual platforms.
var stations = new HashSet <TFStop>();
foreach (var s in distinctStops)
{
stations.Add(HighestParentStop(s));
}
return(stations);
}
