141 lines
3.9 KiB
JavaScript
141 lines
3.9 KiB
JavaScript
const express = require('express');
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const cors = require('cors');
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const { v4: uuidv4 } = require('uuid');
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const db = require('./database');
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const app = express();
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const PORT = process.env.PORT || 3000;
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// Middleware
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app.use(cors());
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app.use(express.json());
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// Validation helpers
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function isValidDate(dateString) {
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const regex = /^\d{4}-\d{2}-\d{2}$/;
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if (!regex.test(dateString)) return false;
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const date = new Date(dateString);
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return date instanceof Date && !isNaN(date);
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}
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function isValidMuscleGroups(muscleGroups) {
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if (!Array.isArray(muscleGroups) || muscleGroups.length === 0) {
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return false;
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}
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const validGroups = ['Chest', 'Legs', 'Delts', 'Lats', 'Triceps', 'Biceps'];
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return muscleGroups.every(group => validGroups.includes(group));
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}
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// API Routes
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// GET /api/sessions - Fetch all sessions
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app.get('/api/sessions', (req, res) => {
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db.getAllSessions((err, sessions) => {
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if (err) {
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console.error('Error fetching sessions:', err);
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return res.status(500).json({ error: 'Failed to fetch sessions' });
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}
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res.json(sessions);
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});
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});
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// POST /api/sessions - Create new session
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app.post('/api/sessions', (req, res) => {
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const { date, muscle_groups } = req.body;
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// Validation
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if (!date) {
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return res.status(400).json({ error: 'Date is required' });
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}
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if (!isValidDate(date)) {
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return res.status(400).json({ error: 'Invalid date format. Use YYYY-MM-DD' });
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}
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if (!muscle_groups) {
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return res.status(400).json({ error: 'Muscle groups are required' });
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}
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if (!isValidMuscleGroups(muscle_groups)) {
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return res.status(400).json({
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error: 'Invalid muscle groups. Must be a non-empty array containing: Chest, Legs, Delts, Lats, Triceps, Biceps'
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});
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}
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// Generate unique ID
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const id = uuidv4();
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// Create session
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db.createSession(id, date, muscle_groups, (err, session) => {
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if (err) {
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console.error('Error creating session:', err);
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return res.status(500).json({ error: 'Failed to create session' });
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}
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res.status(201).json(session);
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});
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});
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// PUT /api/sessions/:id - Update session
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app.put('/api/sessions/:id', (req, res) => {
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const { id } = req.params;
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const { date, muscle_groups } = req.body;
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// Validation
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if (!date) {
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return res.status(400).json({ error: 'Date is required' });
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}
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if (!isValidDate(date)) {
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return res.status(400).json({ error: 'Invalid date format. Use YYYY-MM-DD' });
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}
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if (!muscle_groups) {
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return res.status(400).json({ error: 'Muscle groups are required' });
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}
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if (!isValidMuscleGroups(muscle_groups)) {
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return res.status(400).json({
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error: 'Invalid muscle groups. Must be a non-empty array containing: Chest, Legs, Delts, Lats, Triceps, Biceps'
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});
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}
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// Update session
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db.updateSession(id, date, muscle_groups, (err, session) => {
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if (err) {
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if (err.message === 'Session not found') {
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return res.status(404).json({ error: 'Session not found' });
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}
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console.error('Error updating session:', err);
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return res.status(500).json({ error: 'Failed to update session' });
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}
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res.json(session);
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});
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});
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// DELETE /api/sessions/:id - Delete session
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app.delete('/api/sessions/:id', (req, res) => {
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const { id } = req.params;
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db.deleteSession(id, (err) => {
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if (err) {
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if (err.message === 'Session not found') {
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return res.status(404).json({ error: 'Session not found' });
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}
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console.error('Error deleting session:', err);
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return res.status(500).json({ error: 'Failed to delete session' });
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}
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res.status(204).send();
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});
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});
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// Health check endpoint
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app.get('/health', (req, res) => {
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res.json({ status: 'ok' });
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});
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// Start server
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app.listen(PORT, () => {
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console.log(`Server running on port ${PORT}`);
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});
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// Graceful shutdown
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process.on('SIGINT', () => {
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console.log('\nShutting down gracefully...');
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db.closeDatabase();
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process.exit(0);
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});
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