public override async Task <ObservableCollection <LocationQueryViewModel> > GetLocations(string location_query)
{
ObservableCollection <LocationQueryViewModel> locations = null;
string yahooAPI = "https://query.yahooapis.com/v1/public/yql?q=";
string query = "select * from geo.places where text=\"" + location_query + "*\"";
Uri queryURL = new Uri(yahooAPI + query);
// Limit amount of results shown
int maxResults = 10;
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
locations = new ObservableCollection <LocationQueryViewModel>();
XmlSerializer deserializer = new XmlSerializer(typeof(query));
query root = (query)deserializer.Deserialize(contentStream);
foreach (place result in root.results)
{
// Filter: only store city results
if (result.placeTypeName.Value == "Town" ||
result.placeTypeName.Value == "Suburb" ||
(result.placeTypeName.Value == "Zip Code" ||
result.placeTypeName.Value == "Postal Code" &&
(result.locality1 != null && result.locality1.type == "Town") ||
(result.locality1 != null && result.locality1.type == "Suburb")))
{
locations.Add(new LocationQueryViewModel(result));
}
else
{
continue;
}
// Limit amount of results
maxResults--;
if (maxResults <= 0)
{
break;
}
}
// End Stream
if (contentStream != null)
{
contentStream.Dispose();
}
}
catch (Exception ex)
{
locations = new ObservableCollection <LocationQueryViewModel>();
Logger.WriteLine(LoggerLevel.Error, ex, "HEREWeatherProvider: error getting locations");
}
if (locations == null || locations.Count == 0)
{
locations = new ObservableCollection <LocationQueryViewModel>()
{
new LocationQueryViewModel()
}
}
;
return(locations);
}
public override async Task <LocationQueryViewModel> GetLocation(string location_query)
{
LocationQueryViewModel location = null;
string yahooAPI = "https://query.yahooapis.com/v1/public/yql?q=";
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, "HEREWeatherProvider: error getting location");
}
if (result != null && !String.IsNullOrWhiteSpace(result.woeid))
{
location = new LocationQueryViewModel(result);
}
else
{
location = new LocationQueryViewModel();
}
return(location);
}
