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google-api-adapter.js
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google-api-adapter.js
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const request = require('request');
// TODO: Store this in a vault. No API Key should be in the code.
const GOOGLE_API = 'https://maps.googleapis.com/maps/api/geocode/json';
const GOOGLE_API_KEY = process.env.GOOGLE_API_KEY;
/**
* Generate query string parameter
* TODO: move this method to utils since this is reusable.
* @param {Object} params
*/
const generateQueryParams = (params) => {
if (!params) return ''; // if no parameter return empty string.
return Object.entries(params) // convert object to array
.map((param) => param.map(encodeURIComponent).join('=')) // construct params
.join('&');
};
/**
* Generate Google API request URL.
* @param {String} url
* @param {Object} params
*/
const generateGoogleURL = ({ url, params }) =>
`${url}?${generateQueryParams(params)}`;
/**
* Get GeoLocation via Google API
* @param {String} address
* @param {Function} callback
*/
const getGeoLocation = (address, callback) => {
const params = {
key: GOOGLE_API_KEY,
address,
};
const url = generateGoogleURL({ url: GOOGLE_API, params });
console.log('GOOGLE_URL:' ,url);
request({ url, json: true }, (error, { body }) => {
if (error) {
callback({
result: false,
response: 'Unable to connect to location services!'
});
} else if (body.status !== 'OK') {
callback({
result: false,
response: 'Unable to find location. Try another search.',
});
} else {
/* eslint-disable camelcase */
let result = body.results[0];
const { location } = result.geometry;
const locationName = result.address_components[0].long_name;
const locationFullName = result.formatted_address;
const response = {
name: locationName,
fullName: locationFullName,
location,
}
/* eslint-enable camelcase */
callback({
result: true,
response,
});
}
});
};
module.exports = getGeoLocation;