public static void Merge(this MetaData metaData, MetaData newData)
{
if (newData == null)
{
return;
}
Task.Run(async () =>
{
await DispatcherHelper.RunAsync(() =>
{
metaData.ApiVersion = newData.ApiVersion;
metaData.Reference = newData.Reference;
metaData.ServerVersion = newData.ServerVersion;
});
});
Parallel.ForEach(newData.Cities, async (city) =>
{
await DispatcherHelper.RunAsync(() =>
{
var existingCity = metaData.Cities.FirstOrDefault(x => x.Id == city.Id);
if (existingCity == null)
{
var index = newData.Cities.IndexOf(city);
metaData.Cities.Insert(index, city);
}
else
{
existingCity.Coordinates = city.Coordinates;
existingCity.Name = city.Name;
existingCity.Source = city.Source;
existingCity.Url = city.Url;
}
});
});
Parallel.ForEach(metaData.Cities.Where(existingCity => newData.Cities.FirstOrDefault(x => x.Id == existingCity.Id) == null).ToList(), async (existingLot) =>
{
await DispatcherHelper.RunAsync(() => {
metaData.Cities.Remove(existingLot);
});
});
}
private MetaDataCityRow FindCityById(MetaData metaData, string id)
{
return metaData?.Cities?.Get(id);
}
private MetaDataCityRow FindCityByName(MetaData metaData, string name)
{
return metaData?.Cities?.FirstOrDefault(x => x.Name.ToLower().Equals(name.ToLower()));
}