public override async Task <string> UpdateLocationQuery(LocationData location)
{
string query = string.Empty;
var coord = new WeatherUtils.Coordinate(location.latitude, location.longitude);
var qview = await GetLocation(coord);
if (String.IsNullOrEmpty(qview.LocationQuery))
{
query = string.Format("lat={0}&lon={1}", coord.Latitude, coord.Longitude);
}
else
{
query = qview.LocationQuery;
}
return(query);
}
public override async Task <LocationQueryViewModel> GetLocation(WeatherUtils.Coordinate coord)
{
LocationQueryViewModel location = null;
string queryAPI = "https://api.wunderground.com/auto/wui/geo/GeoLookupXML/index.xml?query=";
string options = "";
string query = string.Format("{0},{1}", coord.Latitude, coord.Longitude);
Uri queryURL = new Uri(queryAPI + query + options);
OpenWeather.location result;
WeatherException wEx = null;
try
{
// Connect to webstream
HttpClient webClient = new HttpClient();
HttpResponseMessage response = await webClient.GetAsync(queryURL);
response.EnsureSuccessStatusCode();
Stream contentStream = null;
#if WINDOWS_UWP
contentStream = WindowsRuntimeStreamExtensions.AsStreamForRead(await response.Content.ReadAsInputStreamAsync());
#elif __ANDROID__
contentStream = await response.Content.ReadAsStreamAsync();
#endif
// End Stream
webClient.Dispose();
// Load data
XmlSerializer deserializer = new XmlSerializer(typeof(OpenWeather.location));
result = (OpenWeather.location)deserializer.Deserialize(contentStream);
// End Stream
if (contentStream != null)
{
contentStream.Dispose();
}
}
catch (Exception ex)
{
result = null;
#if WINDOWS_UWP
if (WebError.GetStatus(ex.HResult) > WebErrorStatus.Unknown)
{
wEx = new WeatherException(WeatherUtils.ErrorStatus.NetworkError);
await Toast.ShowToastAsync(wEx.Message, ToastDuration.Short);
}
#elif __ANDROID__
if (ex is WebException || ex is HttpRequestException)
{
wEx = new WeatherException(WeatherUtils.ErrorStatus.NetworkError);
new Android.OS.Handler(Android.OS.Looper.MainLooper).Post(() =>
{
Toast.MakeText(Application.Context, wEx.Message, ToastLength.Short).Show();
});
}
#endif
Logger.WriteLine(LoggerLevel.Error, ex, "MetnoWeatherProvider: error getting location");
}
if (result != null && !String.IsNullOrWhiteSpace(result.query))
{
location = new LocationQueryViewModel(result);
}
else
{
location = new LocationQueryViewModel();
}
return(location);
}
// GeopositionQuery public abstract Task <LocationQueryViewModel> GetLocation(WeatherUtils.Coordinate coordinate);
public async Task <LocationQueryViewModel> GetLocation(WeatherUtils.Coordinate coord)
{
return(await WeatherProvider.GetLocation(coord));
}
public override async Task <LocationQueryViewModel> GetLocation(WeatherUtils.Coordinate coord)
{
LocationQueryViewModel location = null;
string yahooAPI = "https://query.yahooapis.com/v1/public/yql?q=";
string location_query = string.Format("({0},{1})", coord.Latitude, coord.Longitude);
string query = "select * from geo.places where text=\"" + location_query + "\"";
Uri queryURL = new Uri(yahooAPI + query);
place result = null;
WeatherException wEx = null;
try
{
// Connect to webstream
HttpClient webClient = new HttpClient();
HttpResponseMessage response = await webClient.GetAsync(queryURL);
response.EnsureSuccessStatusCode();
Stream contentStream = null;
#if WINDOWS_UWP
contentStream = WindowsRuntimeStreamExtensions.AsStreamForRead(await response.Content.ReadAsInputStreamAsync());
#elif __ANDROID__
contentStream = await response.Content.ReadAsStreamAsync();
#endif
// End Stream
webClient.Dispose();
// Load data
XmlSerializer deserializer = new XmlSerializer(typeof(query));
query root = (query)deserializer.Deserialize(contentStream);
if (root.results != null)
{
result = root.results[0];
}
// End Stream
if (contentStream != null)
{
contentStream.Dispose();
}
}
catch (Exception ex)
{
result = null;
#if WINDOWS_UWP
if (Windows.Web.WebError.GetStatus(ex.HResult) > Windows.Web.WebErrorStatus.Unknown)
{
wEx = new WeatherException(WeatherUtils.ErrorStatus.NetworkError);
await Toast.ShowToastAsync(wEx.Message, ToastDuration.Short);
}
#elif __ANDROID__
if (ex is System.Net.WebException || ex is HttpRequestException)
{
wEx = new WeatherException(WeatherUtils.ErrorStatus.NetworkError);
new Android.OS.Handler(Android.OS.Looper.MainLooper).Post(() =>
{
Toast.MakeText(Application.Context, wEx.Message, ToastLength.Short).Show();
});
}
#endif
Logger.WriteLine(LoggerLevel.Error, ex, "YahooWeatherProvider: error getting location");
}
if (result != null && !String.IsNullOrWhiteSpace(result.woeid))
{
location = new LocationQueryViewModel(result);
}
else
{
location = new LocationQueryViewModel();
}
return(location);
}
