78 lines
2.1 KiB
JavaScript
78 lines
2.1 KiB
JavaScript
const express = require('express');
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const fs = require('fs');
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const bodyParser = require('body-parser');
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const Redis = require('ioredis');
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const app = express();
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const port = 3000;
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// Create a Redis Client
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const redis = new Redis();
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app.use(bodyParser.json());
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var animals;
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// check and load animals into redis
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fs.readFile("./animals.json", function (err, data) {
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if (err) {
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throw err;
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}
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var jsondata = JSON.parse(data);
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animals = jsondata.animals;
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//await redis.set('animals', jsondata.animals, 'EX', 3000);
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});
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// Serve the HTML file
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app.get('/', (req, res) => {
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res.sendFile(__dirname + '/index.html');
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});
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// Route to get a random animal name
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app.get('/getRandomAnimal', (req, res) => {
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const randomAnimal = animals[Math.floor(Math.random() * animals.length)];
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res.json({ animalName: randomAnimal });
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});
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// Route to record button clicks
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app.post('/recordButtonClick', (req, res) => {
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try {
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const { buttonName, sessionId } = req.body;
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// Use a Redis hash to store button clicks associated with session IDs
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await redis.hincrby('buttonClicks', `${sessionId}:${buttonName}`, 1);
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res.sendStatus(200);
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if (buttonClicks.hasOwnProperty(buttonName)) {
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buttonClicks[buttonName]++;
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res.sendStatus(200);
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} else {
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res.status(400).json({ error: 'Invalid button name' });
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}
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} catch (error) {
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console.error('Error recording button click:', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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// Route to show the current results
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app.get('/results', async (req, res) => {
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try {
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// Get the current random animal from Redis
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const randomAnimal = await redis.get('randomAnimal');
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// Get the button click counts from the Redis hash
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const buttonClicks = await redis.hgetall('buttonClicks');
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res.json({ randomAnimal, buttonClicks });
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} catch (error) {
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console.error('Error fetching results:', error);
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res.status(500).json({ error: 'Internal server error' });
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}
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});
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app.listen(port, () => {
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console.log(`Server is running on port ${port}`);
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});
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