153 lines
4.0 KiB
JavaScript
153 lines
4.0 KiB
JavaScript
const express = require('express');
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const axios = require('axios');
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const redis = require('redis');
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const cors = require('cors');
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const { param, validationResult } = require('express-validator');
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const app = express();
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const redisConfig = {
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url: process.env.REDIS_URL,
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db: 1,
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}
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const client = redis.createClient(redisConfig);
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client.on('error', (err) => {
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console.log(err);
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});
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// CORS
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app.use(cors());
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function LeagueSeason(leagueID, year) {
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this.params = { league: leagueID, season: year }
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this.headers = {
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'x-rapidapi-host': process.env.API_HOST,
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'x-rapidapi-key': process.env.API_KEY,
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}
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}
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// Routes
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app.get('/pl', async (req, res) => {
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const league = '39';
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const year = '2021';
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const query = league + year;
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try {
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client.get(query, async (err, leagueTable) => {
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if (err) throw err;
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// Return cached league table if present
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if (leagueTable) {
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res.status(200).send({
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table: JSON.parse(leagueTable),
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message: 'data retrieved from cache',
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});
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} else {
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// Fetch from the API
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reqSeason = new LeagueSeason(league, year);
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const leagueTable = await axios.get(
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'https://v3.football.api-sports.io/standings',
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reqSeason
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);
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// Save result to cache
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client.setex(query, 43200, JSON.stringify(leagueTable.data));
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// Return data from API
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res.status(200).send({
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table: leagueTable.data,
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message: 'cache miss',
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});
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}
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});
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} catch (err) {
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res.status(500).send({ message: err.message });
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}
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});
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app.get('/championship', async (req, res) => {
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const league = '40';
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const year = '2021';
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const query = league + year;
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try {
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client.get(query, async (err, leagueTable) => {
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if (err) throw err;
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// Return cached league table if present
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if (leagueTable) {
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res.status(200).send({
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table: JSON.parse(leagueTable),
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message: 'data retrieved from cache',
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});
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} else {
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// Fetch from the API
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reqSeason = new LeagueSeason(league, year);
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const leagueTable = await axios.get(
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'https://v3.football.api-sports.io/standings',
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reqSeason
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);
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// Save result to cache
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client.setex(league, 43200, JSON.stringify(leagueTable.data));
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// Return data from API
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res.status(200).send({
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table: leagueTable.data,
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message: 'cache miss',
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});
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}
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});
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} catch (err) {
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res.status(500).send({ message: err.message });
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}
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});
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app.get('/v2/:league/:year',
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[
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// League id must be one of these
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param('league').isIn(['39', '40', '41', '42']),
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// Year must be no earlier than 2018
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param('year').isIn(['2018', '2019', '2020', '2021']),
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],
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async (req, res) => {
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// Validate
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const errors = validationResult(req);
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if (!errors.isEmpty()) {
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return res.status(422).json({ errors: errors.array() });
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}
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// Begin method
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const league = req.params.league;
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const year = req.params.year;
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const query = league + year;
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try {
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client.get(query, async (err, leagueTable) => {
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if (err) throw err;
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// Return cached league table if present
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if (leagueTable) {
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res.status(200).send({
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table: JSON.parse(leagueTable),
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message: 'data retrieved from cache',
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});
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} else {
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// Fetch from the API
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reqSeason = new LeagueSeason(league, year);
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const leagueTable = await axios.get(
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'https://v3.football.api-sports.io/standings',
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reqSeason
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);
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// Save result to cache
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client.setex(query, 43200, JSON.stringify(leagueTable.data));
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// Return data from API
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res.status(200).send({
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table: leagueTable.data,
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message: 'cache miss',
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});
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}
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});
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} catch (err) {
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res.status(500).send({ message: err.message });
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}
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});
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app.listen(process.env.PORT || 3001, () => {
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console.log(`Server running`);
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});
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