public static void Merge(this City city, City newData, ObservableCollection<ParkingLot> parkingLotCollection)
{
if (newData == null || parkingLotCollection == null)
{
return;
}
Task.Run(async () =>
{
await DispatcherHelper.RunAsync(() =>
{
city.DataSource = newData.DataSource;
city.LastDownloaded = newData.LastDownloaded;
city.LastUpdated = newData.LastUpdated;
});
});
Parallel.ForEach(newData.Lots, async (newLot) =>
{
await DispatcherHelper.RunAsync(() =>
{
var existingLot = city.Lots.FirstOrDefault(x => x.Id == newLot.Id);
if (existingLot == null)
{
city.Lots.Add(newLot);
parkingLotCollection.Add(newLot);
}
else
{
existingLot.TotalLots = newLot.TotalLots;
existingLot.FreeLots = newLot.FreeLots;
existingLot.Address = newLot.Address;
existingLot.HasForecast = newLot.HasForecast;
existingLot.Coordinates = newLot.Coordinates;
existingLot.LotType = newLot.LotType;
existingLot.Forecast = newLot.Forecast;
existingLot.HasLongForecast = newLot.HasLongForecast;
existingLot.Name = newLot.Name;
existingLot.Region = newLot.Region;
existingLot.State = newLot.State;
}
});
});
Parallel.ForEach(
city.Lots.Where(
existingLot => newData.Lots.FirstOrDefault(newLot => newLot.Id == existingLot.Id) == null).ToList(),
async (existingLot) =>
{
await DispatcherHelper.RunAsync(() =>
{
city.Lots.Remove(existingLot);
var selectableParkingLot = parkingLotCollection.FirstOrDefault(x => x.Id == existingLot.Id);
if (selectableParkingLot != null)
{
parkingLotCollection.Remove(selectableParkingLot);
}
});
});
}
private ParkingLot FindParkingLotById(City city, string id)
{
return city?.Lots?.FirstOrDefault(x => x.Id.Equals(id));
}