public StopAndRoutePair(TrackingData trackingData)
{
this.Stop = trackingData.StopId;
this.StopName = trackingData.StopName;
this.Route = trackingData.RouteId;
this.RouteName = trackingData.Route.ShortName;
}
public StopAndRoutePair(TrackingData trackingData)
{
this.Stop = trackingData.StopId;
this.StopName = trackingData.StopName;
this.Route = trackingData.RouteId;
this.RouteName = trackingData.Route.ShortName;
}
public async Task PopulateFavoritesAsync()
{
List<TrackingData> trackingData = new List<TrackingData>();
var favs = await Model.Favorites.GetAsync();
this.ShowNoFavoritesMessage = false;
this.ShowNoItemsMessage = false;
this.StopHeaderText = Favorites;
this.StopSubHeaderText = RealTime;
var failedFavorites = new List<StopAndRoutePair>();
var obaDataAccess = ObaDataAccess.Create();
foreach (StopAndRoutePair fav in favs)
{
try
{
TrackingData[] tdataArray = (from tdData in await obaDataAccess.GetTrackingDataForStopAsync(fav.Stop)
where string.Equals(fav.Route, tdData.RouteId, StringComparison.OrdinalIgnoreCase)
select tdData).Take(2).ToArray();
if (tdataArray.Length > 0)
{
foreach (TrackingData tdata in tdataArray)
{
tdata.IsFiltered = (this.isFiltered && string.Equals(this.filteredRouteId, tdata.RouteId, StringComparison.OrdinalIgnoreCase));
tdata.Context = TrackingData.Favorites;
tdata.IsFavorite = true;
trackingData.Add(tdata);
}
}
else
{
// If we don't have an active trip for this favorite, add a dummy tracking data to the
// list that links to the schedule page and shows NO DATA in the mins column.
TrackingData tdata = new TrackingData(fav);
tdata.IsFiltered = (this.isFiltered && string.Equals(this.filteredRouteId, tdata.RouteId, StringComparison.OrdinalIgnoreCase));
tdata.Context = TrackingData.Favorites;
tdata.IsFavorite = true;
trackingData.Add(tdata);
}
}
catch
{
// Favorite likely no longer exists: remove it from the list!
// For now, let's just eat the exception
failedFavorites.Add(fav);
}
}
// If any favorites failed to load, remove them from the list:
if (failedFavorites.Count > 0)
{
foreach (var failedFav in failedFavorites)
{
await Model.Favorites.RemoveAsync(failedFav);
}
await Model.Favorites.PersistAsync();
}
this.RealTimeData = trackingData.ToArray();
this.RouteAndMapsViewModels = null;
this.LastUpdated = DateTime.Now;
if (favs.Count == 0)
{
this.ShowNoFavoritesMessage = true;
}
else
{
this.ShowNoItemsMessage = trackingData.Count == 0;
}
}
