OptToUpdate.js

/**
 *
 * main() will be run when you invoke this action
 *
 * @param Cloud Functions actions accept a single parameter, which must be a JSON object.
 *
 * @return The output of this action, which must be a JSON object.
 *
 */
let rp = require("request-promise");
let Cloudant = require("@cloudant/cloudant");

function main(params) {
    let userAddress = params.address;
    let session = params.session;
    console.log("userAddress,", userAddress, "session,", session);
    var response;
    let options = {
        uri: "https://maps.googleapis.com/maps/api/geocode/json",
        qs: {
            address: userAddress,
            key: ""
        },
        json: true // Automatically parses the JSON string in the response
    };
    const geoPromise = rp(options);

    let cloudant = Cloudant({
        username: "",
        password: "",
        url: ""
    });
    let users = cloudant.db.use("users");
    let sessions = cloudant.db.use("sessions");
    const sessionPromise = sessions.find({ selector: { sessionID: session } });

    return Promise.all([geoPromise, sessionPromise])
        .then(values => {
            return { address: userAddress, location: values[0], userID: values[1].docs[0]._id };
        })
        .then(values => {
            response = values;
            return users.get(values.userID);
        })
        .then(user => {
            return users.insert({ ...user, address: response.address, location: response.location });
        })
        .catch(err => {
            return { err };
        });
}