Sample method to convert to US cents easily for tagging CLV/LTV in Localytics

localytics_ltv_conversion.java

/*
Requires Unirest. Available via Maven/Gradle: http://mvnrepository.com/artifact/com.mashape.unirest/unirest-java/1.3.0
*/

import com.mashape.unirest.http.*;
import com.mashape.unirest.http.exceptions.*;
import org.json.JSONObject;

public class LLCurrencyConversion {

    public static void main (String args []) {

        double value = 1.99;
        String base = "GBP"; // currency to convert into USD

        int clv = convertToCents(value, base);

        Map<String, String> values = new HashMap<String, String>();
        values.put("Item Name", "T-Shirt");
        values.put("Item ID", "123");
        Localytics.tagEvent("Item Purchased", values, clv);

    }

    public static int convertToCents(double value, String base) {

        int convertedValueInteger = 0;

        String url = "https://api.fixer.io/latest" +
                "?base=" + base +
                "&symbols=USD";

        try {

            //parse out the conversion multiplier
            HttpResponse<JsonNode> response = Unirest.get(url).asJson();
            JSONObject myObj = response.getBody().getObject();
            JSONObject rateObject = myObj.getJSONObject("rates");
            String rate = rateObject.get("USD").toString();
            //convert to numerical value
            double multiplier = Double.parseDouble(rate);

            //multiply by base currency rate and convert to US cents
            Double convertedValueDouble = (multiplier * value * 100);
            convertedValueInteger = convertedValueDouble.intValue();

            return convertedValueInteger;

        } catch (UnirestException ex) {
            System.out.println(ex);
        }

        return convertedValueInteger;

    }
}