/// <summary>
/// Gets the ETA info for a set of stop IDS.
/// The outer dictionary takes a route number and gives a dictionary that takes a stop ID to an ETA.
/// </summary>
public static async Task <BusArrivalEstimates> GetEtas(ITransitRepository repository, ITransitClient client, IEnumerable <int> stopIds)
{
var toPlatformTag = await repository.GetPlatformTagsAsync();
Func <int, Task <Tuple <int, ConnexionzPlatformET> > > getEtaIfTagExists =
async id => Tuple.Create(id, toPlatformTag.ContainsKey(id) ? await client.GetEta(toPlatformTag[id]) : null);
var tasks = stopIds.Select(getEtaIfTagExists);
var results = await Task.WhenAll(tasks);
return(results.ToDictionary(eta => eta.Item1,
eta => eta.Item2?.RouteEstimatedArrivals
?.ToDictionary(routeEta => routeEta.RouteNo,
routeEta => routeEta.EstimatedArrivalTime)
?? new Dictionary <string, List <int> >()));
}
/// <summary>
/// Gets the ETA info for a set of stop IDS.
/// The outer dictionary takes a route number and gives a dictionary that takes a stop ID to an ETA.
/// </summary>
public static async Task <BusArrivalEstimates> GetEtas(ITransitRepository repository, ITransitClient client, IEnumerable <int> stopIds)
{
var toPlatformTag = await repository.GetPlatformTagsAsync();
var tasks = stopIds.Select(getEtaIfTagExists);
var results = await Task.WhenAll(tasks);
return(results.ToDictionary(eta => eta.stopId,
eta => eta.platformET?.RouteEstimatedArrivals
?.ToDictionary(routeEta => routeEta.RouteNo,
routeEta => routeEta.EstimatedArrivalTime)
?? new Dictionary <string, List <int> >()));
async Task <(int stopId, ConnexionzPlatformET?platformET)> getEtaIfTagExists(int id)
=> (id, toPlatformTag.TryGetValue(id, out int tag) ? await client.GetEta(tag) : null);
}
/// <summary>
/// Gets the ETA info for a set of stop IDS.
/// The outer dictionary takes a route number and gives a dictionary that takes a stop ID to an ETA.
/// </summary>
public static async Task<BusArrivalEstimates> GetEtas(ITransitRepository repository, ITransitClient client, IEnumerable<int> stopIds)
{
var toPlatformTag = await repository.GetPlatformTagsAsync();
Func<int, Task<Tuple<int, ConnexionzPlatformET>>> getEtaIfTagExists =
async id => Tuple.Create(id, toPlatformTag.ContainsKey(id) ? await client.GetEtaAsync(toPlatformTag[id]) : null);
var tasks = stopIds.Select(getEtaIfTagExists);
var results = await Task.WhenAll(tasks);
return results.ToDictionary(eta => eta.Item1,
eta => eta.Item2?.RouteEstimatedArrivals
?.ToDictionary(routeEta => routeEta.RouteNo,
routeEta => routeEta.EstimatedArrivalTime)
?? new Dictionary<string, List<int>>());
}
