116 lines
3.9 KiB
JavaScript
116 lines
3.9 KiB
JavaScript
const express = require('express');
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const fs = require('fs');
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const path = require('path');
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const morgan = require('morgan');
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const bodyParser = require('body-parser');
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const sqlite3 = require('sqlite3').verbose();
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const app = express();
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const port = 3000;
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// Create an SQLite database and initialize tables
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const db = new sqlite3.Database('db/results.db', (err) => {
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if (err) {
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console.error('Error opening SQLite database:', err.message);
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} else {
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console.log('Connected to SQLite database');
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db.run(`
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CREATE TABLE IF NOT EXISTS button_clicks (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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session_id TEXT,
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animal_name TEXT,
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button_name TEXT,
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timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
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time_difference INTEGER -- Add this column for time difference
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)
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`);
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}
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});
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var accessLogStream = fs.createWriteStream(path.join(__dirname, 'log', 'access.log'), { flags: 'a' })
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app.use(bodyParser.json());
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app.use(morgan('combined', { stream: accessLogStream }));
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var animals;
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// check and load animals into redis
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try {
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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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});
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} catch (error) {
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console.error('Error loading animals:', error);
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animals = ['Dog', 'Cat', 'Elephant', 'Lion', 'Giraffe'];
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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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app.get('/asset/frontend.js', (req, res) => {
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res.sendFile(__dirname + '/asset/frontend.js');
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});
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// Route to get a random animal name
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app.get('/getNextAnimal', async (req, res) => {
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try {
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// TODO this is currently random, and should have a bit of reasoning behind the next choice
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const randomIndex = Math.floor(Math.random() * animals.length);
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const randomAnimal = animals[randomIndex];
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res.json({ animalName: randomAnimal });
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} catch (error) {
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console.error('Error fetching random animal:', 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 record button clicks along with session IDs in SQLite
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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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const result = req.body;
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console.error(result);
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db.run('INSERT INTO button_clicks (session_id, animal_name, button_name, timestamp, time_difference) VALUES (?, ?, ?, ?, ?)', [result.session, result.animal, result.button, result.time, result.difference], (err) => {
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if (err) {
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console.error('Error recording button click:', err.message);
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res.status(500).json({ error: 'Internal server error' });
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} else {
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res.sendStatus(200);
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}
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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 from SQLite
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app.get('/results', (req, res) => {
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try {
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db.all('SELECT button_name, COUNT(*) as count FROM button_clicks GROUP BY button_name', (err, rows) => {
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if (err) {
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console.error('Error fetching results:', err.message);
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res.status(500).json({ error: 'Internal server error' });
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} else {
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const results = {};
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rows.forEach((row) => {
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results[row.button_name] = row.count;
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});
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res.json(results);
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}
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});
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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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