53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
const config = require('../../config');
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const logger = require('../logger');
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const request = require('request');
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// Retrieve the configured endpoint's ticker rate at a
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// set interval
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const refreshInterval = config.api.currency_refresh >= 1 ?
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config.api.currency_refresh * 1000 :
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60 * 1000;
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let lastRate = 0;
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init();
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function init() {
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getRate();
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setInterval(() => {
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getRate();
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}, refreshInterval);
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}
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// Make the request to the remote API
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function getRate() {
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request(config.api.ticker_url, (err, res, body) => {
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if (err) {
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logger.log('error',
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`${err}`);
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}
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try {
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const ticker = JSON.parse(body);
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lastRate = ticker.last;
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logger.log('debug',
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`getRate: ${lastRate}`);
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} catch (error) {
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logger.log('error',
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`getRate: ${error}`);
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}
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});
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}
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module.exports = function currencyAPI(app) {
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// Return the ticker price
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app.get('/currency', (req, res) => {
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const data = {};
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data[config.api.ticker_prop] = lastRate;
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res.json({
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data,
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});
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});
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};
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