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Cache league table

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Cache the league table for 12 hours in redis
This commit is contained in:
Nick Playfair 2021-02-08 16:05:15 +00:00
parent 031a597fb7
commit beb1ccb2ec
1 changed files with 30 additions and 6 deletions
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36
index.js
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@ -3,6 +3,12 @@ const axios = require('axios');
const redis = require('redis'); const redis = require('redis');
require('dotenv').config(); require('dotenv').config();
const app = express(); const app = express();
const redisPort = 6379;
const client = redis.createClient(redisPort);
client.on('error', (err) => {
console.log(err);
});
const config = { const config = {
headers: { headers: {
@ -16,13 +22,31 @@ const config = {
}; };
app.get('/pl', async (req, res) => { app.get('/pl', async (req, res) => {
const league = '39';
try { try {
const leagueTable = await axios.get( client.get(league, async (err, leagueTable) => {
'https://v3.football.api-sports.io/standings', if (err) throw err;
config
); // Return cached league table if present
res.status(200).send({ if (leagueTable) {
table: leagueTable.data, res.status(200).send({
table: JSON.parse(leagueTable),
message: 'data retrieved from cache',
});
} else {
// Fetch from the API
const leagueTable = await axios.get(
'https://v3.football.api-sports.io/standings',
config
);
// Save result to cache
client.setex(league, 43200, JSON.stringify(leagueTable.data));
// Return data from API
res.status(200).send({
table: leagueTable.data,
message: 'cache miss',
});
}
}); });
} catch (err) { } catch (err) {
res.status(500).send({ message: err.message }); res.status(500).send({ message: err.message });