public static GoogleGeocodeResponse GeoCode(string inputAddress, string apiKey)
{
try
{
string sURL = "https://maps.googleapis.com/maps/api/geocode/json?address=" + inputAddress + "&key=" + apiKey;
WebClient webClient = new WebClient();
Stream stream = webClient.OpenRead(sURL);
StreamReader reader = new StreamReader(stream);
String responseJson = reader.ReadToEnd();
JavaScriptSerializer jsonSerializer = new System.Web.Script.Serialization.JavaScriptSerializer();
GoogleGeocodeResponse geocoderesult = jsonSerializer.Deserialize <GoogleGeocodeResponse>(responseJson);
return(geocoderesult);
}
catch (Exception)
{
logger.Info("Exception. Geocoding address:" + inputAddress);
throw;
}
}
public static void Main()
{
//--FOR EACH RECORD
//---- make a web service call to google to get lat long
//---- Parse the result
//-- Update property table and set the Lat and Long fields in the databae to the result given by google
//--END LOOP
//--> Connect to Oracle <--
MyDBConnector DBConnector = new MyDBConnector("allproperty", "zacchi_star", "localdb");
string sql = "select * from allproperties where nvl(isgeocoded, 0) != 1";
DBConnector.OpenConnection();
OracleCommand cmd = new OracleCommand(sql, DBConnector.Connection);
OracleDataReader dr = cmd.ExecuteReader();
//--- Connect to Oracle simpler way ---
//OracleConnection con;
//con = new OracleConnection();
//con.ConnectionString = "User Id=allproperty;Password=zacchi;Data Source=localdb";
//con.Open();
//string sql = "select * from allproperties where isgeocoded != 1 or isgeocoded is null";
//OracleCommand cmd = new OracleCommand(sql, con);
//OracleDataReader dr = cmd.ExecuteReader();
// Get Geocode information from Google
var apiKey = "AIzaSyD7FUliTBfIW4_TW4IFq9ZiJP23putrTeI";
int countKey = 0;// key change count
while (dr.Read() == true)
{
long propertyId = (long)dr["PropertyId"];
string dbAddress = (string)dr["Address"];
string dbPostalCode = (string)dr["PostalCode"];
string dbCounty = (string)dr["County"];
string country = "Republic of Ireland";
string dbFullAddress = dbAddress + ", " + dbPostalCode + ", " + dbCounty + ", " + country;
GoogleGeocodeResponse g = GeoCode(dbFullAddress, apiKey);
logger.Info(g.Status);
if (g.Status.Equals("OVER_QUERY_LIMIT"))
{
apiKey = "AIzaSyCahm8jN84LMOuAYbUEA6_Mquank8AQsR8";
//AIzaSyD7FUliTBfIW4_TW4IFq9ZiJP23putrTeI
logger.Info("API Key has been changed to:" + apiKey);
countKey++;
logger.Info("count: " + countKey);
if (countKey == 2)
{
logger.Error("Geocode limit has been reached. Program will shutdown.");
break;
}
else
{
continue;
}
}
// stop the loop after g.Status from google geocode has changed the key once.
if (g.Results.Count == 0)
{
Console.WriteLine("Unable to geocode property: " + dbFullAddress);
Console.WriteLine(g.Status);
//string updateSQLFailure = "update allproperties set geocodenotfound = 1 where propertyid =" + propertyId;
//OracleCommand updCmd1 = new OracleCommand(updateSQLFailure, con);
//updCmd1.ExecuteScalar();
continue;
}
string updatesql = "update allproperties set lat = " + g.Results[0].Geometry.Location.Lat + ", lng ="
+ g.Results[0].Geometry.Location.Lng + ", isgeocoded = 1 where propertyid = " + propertyId;
OracleCommand updCmd = new OracleCommand(updatesql, DBConnector.Connection);
updCmd.ExecuteScalar();
}
DBConnector.CloseConnection();
}