protected GoogleResultSet GetResultSet(string addressText)
{
try
{
string requestURI = string.Format(GOOGLE_SEARCH_CHCH_URI, HttpUtility.UrlEncode(addressText), GOOGLE_API_KEY);
string responseData = _webRequest.RetrieveContent(requestURI);
GoogleResultSet resultSet = JSON.Deserialize<GoogleResultSet>(responseData);
if (resultSet.Placemark == null) //failed to parse with boundingbox on Christchurch, fallback to more general
{
requestURI = string.Format(GOOGLE_SEARCH_FALLBACK_URI, HttpUtility.UrlEncode(addressText), GOOGLE_API_KEY);
responseData = _webRequest.RetrieveContent(requestURI);
resultSet = JSON.Deserialize<GoogleResultSet>(responseData);
if (resultSet.Placemark != null && resultSet.Placemark.Length > 0)
{
GoogleResultSet.PlacemarkType placemark = resultSet.Placemark[0];
int accuracy = int.Parse(placemark.AddressDetails.accuracy);
if (accuracy == 0) resultSet = reverseGeocodeCoordinates(addressText, placemark);
}
}
return resultSet;
}
catch (Exception ex)
{
_log.ErrorException("Failure during parsing of address will just return null", ex);
GoogleResultSet blankResult = new GoogleResultSet();
blankResult.name = addressText;
GoogleResultSet.PlacemarkType dummyPlace=new GoogleResultSet.PlacemarkType();
dummyPlace.AddressDetails=new GoogleResultSet.PlacemarkType.AddressDetailsType();
dummyPlace.AddressDetails.accuracy = "0";
dummyPlace.Point=new GoogleResultSet.PlacemarkType.PointType();
dummyPlace.Point.coordinates=new decimal[2];
dummyPlace.Point.coordinates[0] = 0;
dummyPlace.Point.coordinates[1] = 0;
blankResult.Placemark= new GoogleResultSet.PlacemarkType[1];
blankResult.Placemark[0] = dummyPlace;
//FIXME need to introduce an 'error occured' status..
//blankResult.Status = GoogleResultSet.StatusType.ERROR;
return blankResult;
}
}
private GoogleResultSet reverseGeocodeCoordinates(string text, GoogleResultSet.PlacemarkType placemark)
{
string requestURI = string.Format(GOOGLE_REVERSE_URI, placemark.Point.coordinates[1],placemark.Point.coordinates[0]);
string responseData = _webRequest.RetrieveContent(requestURI);
//make sure the name isnt coordinates
GoogleResultSet resultSet = JSON.Deserialize<GoogleResultSet>(responseData);
resultSet.name = text;
return resultSet;
}
protected ILocation GetNewLocation(string addressText, string scopeLocation, GoogleResultSet resultSet)
{
ILocation newlyFound = Location.From(resultSet, scopeLocation);
if(newlyFound==null) return null;
//set the AddressText for the ID required by the repository
SaveLocation(newlyFound, addressText);
return newlyFound;
}
