explore-services/services/cache/redis/cache.js

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const redis = require('redis');
const express = require('express');
const request = require('superagent');
const PORT = process.env.PORT;
const REDIS_PORT = process.env.REDIS_PORT;
const REDIS_HOST = process.env.REDIS_HOST;
const app = express();
const client = redis.createClient(REDIS_PORT, REDIS_HOST);
// function respond(org, numberOfRepos) {
// return `Organization "${org}" has ${numberOfRepos} public repositories.`;
// }
function cache(req, res, next) {
const url = req.query.url;
client.get(url, function (err, data) {
if (data != null) {
res.send(data);
} else {
next();
}
});
}
// function getNumberOfRepos(req, res, next) {
// const org = req.query.org;
// request.get(`https://api.github.com/orgs/${org}/repos`, function (err, response) {
// if (err) {
// throw err;
// }
//
// var repoNumber = 0;
// if (response && response.body) {
// repoNumber = response.body.length;
// }
// client.setex(org, 5, repoNumber);
// res.send(respond(org, repoNumber));
// });
// }
//
// app.get('/repos', cache, getNumberOfRepos);
app.get('/get',cache, (req, res) => {
setTimeout(() => {
const url = (req.query)?req.query.url:null;
if (!url){
res.status(404).send('Not Found'); //not found
}else{
request.get(url, function (err, response) {
if (err) throw err;
// response.body contains an array of public repositories
// var repoNumber = response.body.length;
res.send(response.body);
})
}
})
});
app.listen(PORT, function () {
console.log('app listening on port', PORT);
});