106 lines
3.1 KiB
JavaScript
106 lines
3.1 KiB
JavaScript
/**
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* Simple data API for Weight Tracker
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* This script handles data storage operations when deployed in Docker
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* Includes authentication for password protection
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*/
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const fs = require('fs');
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const path = require('path');
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const express = require('express');
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const bodyParser = require('body-parser');
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const cors = require('cors');
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const { initAuth, generateHash } = require('./auth-middleware');
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// Create Express app
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const app = express();
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const port = process.env.PORT || 3000;
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// Data file path in the Docker volume
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const DATA_DIR = process.env.DATA_DIR || '/data';
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const DATA_FILE = path.join(DATA_DIR, 'weight-tracker-data.json');
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// Middleware
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app.use(cors());
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app.use(bodyParser.json({ limit: '5mb' }));
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app.use(bodyParser.urlencoded({ extended: true })); // For parsing form data
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app.use(express.static('public')); // Serve static files
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// Copy login.html to the correct location for serving
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const loginHtmlPath = path.join(__dirname, 'login.html');
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if (fs.existsSync(loginHtmlPath)) {
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// Ensure public directory exists
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const publicDir = path.join(__dirname, 'public');
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if (!fs.existsSync(publicDir)) {
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fs.mkdirSync(publicDir, { recursive: true });
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}
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// Copy login.html to public directory
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fs.copyFileSync(loginHtmlPath, path.join(publicDir, 'login.html'));
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console.log('Login page copied to public directory');
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}
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// Initialize authentication middleware
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initAuth(app);
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// Ensure data directory exists
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if (!fs.existsSync(DATA_DIR)) {
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fs.mkdirSync(DATA_DIR, { recursive: true });
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console.log(`Created data directory: ${DATA_DIR}`);
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}
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// Initialize data file if it doesn't exist
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if (!fs.existsSync(DATA_FILE)) {
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const defaultData = {
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weights: [],
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meals: [],
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version: '1.0.0'
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};
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fs.writeFileSync(DATA_FILE, JSON.stringify(defaultData, null, 2));
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console.log(`Created initial data file: ${DATA_FILE}`);
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}
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// GET endpoint to retrieve data
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app.get('/data/weight-tracker-data.json', (req, res) => {
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try {
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if (fs.existsSync(DATA_FILE)) {
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const data = fs.readFileSync(DATA_FILE, 'utf8');
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res.setHeader('Content-Type', 'application/json');
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res.send(data);
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} else {
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res.status(404).send({ error: 'Data file not found' });
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}
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} catch (error) {
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console.error('Error reading data file:', error);
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res.status(500).send({ error: 'Failed to read data file' });
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}
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});
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// PUT endpoint to update data
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app.put('/data/weight-tracker-data.json', (req, res) => {
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try {
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const data = req.body;
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// Validate data structure
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if (!data || !data.weights || !data.meals) {
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return res.status(400).send({ error: 'Invalid data structure' });
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}
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// Write to file
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fs.writeFileSync(DATA_FILE, JSON.stringify(data, null, 2));
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res.send({ success: true, message: 'Data saved successfully' });
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console.log(`Data updated: ${new Date().toISOString()}`);
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} catch (error) {
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console.error('Error writing data file:', error);
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res.status(500).send({ error: 'Failed to write data file' });
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}
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});
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// Start server
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app.listen(port, () => {
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console.log(`Data API server running on port ${port}`);
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console.log(`Data directory: ${DATA_DIR}`);
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console.log(`Data file: ${DATA_FILE}`);
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});
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