public MapViewModel(IBingMapsApi bingMaps, ICensusApi censusApi)
{
this.bingMaps = bingMaps;
this.censusApi = censusApi;
_items = new ObservableCollection<PopulatedEntityViewModel>();
_centerOfUs = new Coordinates(39.833333, -98.583333);
_zoomLevel = 5.0;
}
public async Task SelectLocation(Coordinates location)
{
Address address = await bingMaps.GetAddress(location);
if (address == null) return;
string fips = Mappings.StateAbbreviationToFips(address.AdminDistrict);
if (string.IsNullOrEmpty(fips)) return;
var population = await censusApi.GetPopulationForZipCode(fips, address.PostalCode);
if (population == null) return;
Items.Add(new PopulatedZipCode(new UsState(fips, string.Format("{0} ({1})", address.Locality, address.PostalCode), location.Latitude, location.Longitude))
{
Population = population
});
}
public CensusEntityViewModel(string fips, string name, double lat, double lng)
{
Fips = fips;
Name = name;
Center = new Coordinates(lat, lng);
}