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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Dependency directories
node_modules/
jspm_packages/
# Environment variables
.env
.env.*
!.env.example
# Build output
dist/
build/
out/
.next/
.nuxt/
.cache/
# Coverage directory
coverage/
.nyc_output/
# Optional npm cache directory
.npm
# Optional eslint cache
.eslintcache
# Parcel cache
.cache/
.parcel-cache/
# Vite
vite.svg
# TypeScript
*.tsbuildinfo
# Mac files
.DS_Store
# Windows files
Thumbs.db
# IDEs & Editors
.vscode/
.idea/
*.swp
*.swo
# Docker
docker-compose.override.yml
uploads/
# Local database
*.sqlite
*.sqlite3
# Misc
*.tgz
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# PM2
.pm2/
# Logs (custom)
logs/
*.log

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{
"name": "events-api",
"version": "1.0.0",
"description": "Node.js API for events management with MySQL and file upload",
"main": "server.js",
"scripts": {
"start": "node server.js",
"dev": "nodemon server.js",
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [
"nodejs",
"express",
"mysql",
"multer",
"api",
"crud"
],
"author": "",
"license": "MIT",
"dependencies": {
"express": "^4.18.2",
"mysql2": "^3.6.0",
"multer": "^1.4.5-lts.1",
"dotenv": "^16.3.1",
"cors": "^2.8.5"
},
"devDependencies": {
"nodemon": "^3.0.1"
}
}

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const express = require('express');
const mysql = require('mysql2/promise');
const multer = require('multer');
const path = require('path');
const fs = require('fs');
require('dotenv').config();
const app = express();
const PORT = process.env.PORT || 3000;
// CORS Middleware - Add this before other middleware
app.use((req, res, next) => {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept, Authorization');
// Handle preflight requests
if (req.method === 'OPTIONS') {
res.sendStatus(200);
} else {
next();
}
});
// Middleware
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
// Create uploads directory if it doesn't exist
const uploadsDir = path.join(__dirname, 'uploads');
if (!fs.existsSync(uploadsDir)) {
fs.mkdirSync(uploadsDir, { recursive: true });
}
// Serve static files from uploads directory
app.use('/uploads', express.static('uploads'));
// MySQL connection pool with optimized settings
const pool = mysql.createPool({
host: process.env.DB_HOST,
user: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_NAME,
waitForConnections: true,
connectionLimit: 10,
queueLimit: 0,
acquireTimeout: 60000,
timeout: 60000,
enableKeepAlive: true,
keepAliveInitialDelay: 0,
reconnect: true,
idleTimeout: 300000, // 5 minutes
maxIdle: 10,
maxReuse: 1000,
charset: 'utf8mb4'
});
// Test database connection on startup
async function testDatabaseConnection() {
try {
const connection = await pool.getConnection();
console.log('✅ Database connected successfully');
await connection.execute('SELECT 1');
connection.release();
} catch (error) {
console.error('❌ Database connection failed:', error.message);
process.exit(1);
}
}
// Keep connections alive with periodic ping
setInterval(async () => {
try {
const connection = await pool.getConnection();
await connection.execute('SELECT 1');
connection.release();
} catch (error) {
console.error('Keep-alive ping failed:', error.message);
}
}, 240000); // Every 4 minutes
// Multer configuration for file uploads
const storage = multer.diskStorage({
destination: function (req, file, cb) {
cb(null, 'uploads/');
},
filename: function (req, file, cb) {
// Create timestamp-based filename
const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
const randomSuffix = Math.round(Math.random() * 1E9);
const fileExtension = path.extname(file.originalname);
const baseName = path.basename(file.originalname, fileExtension);
// Format: originalname_timestamp_random.ext
const filename = `${baseName}_${timestamp}_${randomSuffix}${fileExtension}`;
cb(null, filename);
}
});
const upload = multer({
storage: storage,
limits: {
fileSize: 10 * 1024 * 1024 // 10MB limit
},
fileFilter: function (req, file, cb) {
// Accept images only
if (!file.originalname.match(/\.(jpg|jpeg|png|gif|webp)$/)) {
return cb(new Error('Only image files are allowed!'), false);
}
cb(null, true);
}
});
// ===============================
// HEALTH CHECK & STATUS ROUTES
// ===============================
// Health check endpoint
app.get('/api/health', async (req, res) => {
try {
const startTime = Date.now();
const connection = await pool.getConnection();
const [rows] = await connection.execute('SELECT 1 as health_check');
connection.release();
const dbResponseTime = Date.now() - startTime;
res.json({
success: true,
status: 'healthy',
timestamp: new Date().toISOString(),
database: {
status: 'connected',
responseTime: `${dbResponseTime}ms`
},
uptime: process.uptime(),
memory: process.memoryUsage()
});
} catch (error) {
res.status(500).json({
success: false,
status: 'unhealthy',
error: error.message,
timestamp: new Date().toISOString()
});
}
});
// Database status endpoint
app.get('/api/db-status', async (req, res) => {
try {
const connection = await pool.getConnection();
const [rows] = await connection.execute('SHOW STATUS LIKE "Threads_connected"');
connection.release();
res.json({
success: true,
data: {
activeConnections: rows[0]?.Value || 'Unknown',
poolStatus: {
totalConnections: pool.pool._allConnections.length,
freeConnections: pool.pool._freeConnections.length,
acquiringConnections: pool.pool._acquiringConnections.length
}
}
});
} catch (error) {
res.status(500).json({
success: false,
message: 'Database status check failed',
error: error.message
});
}
});
// ===============================
// EVENTS CRUD ROUTES
// ===============================
// GET all events
app.get('/api/events', async (req, res) => {
try {
const [rows] = await pool.execute('SELECT * FROM events ORDER BY year DESC, id DESC');
res.json({
success: true,
data: rows
});
} catch (error) {
console.error('Error fetching events:', error);
res.status(500).json({
success: false,
message: 'Error fetching events',
error: error.message
});
}
});
// GET single event by ID
app.get('/api/events/:id', async (req, res) => {
try {
const [rows] = await pool.execute('SELECT * FROM events WHERE id = ?', [req.params.id]);
if (rows.length === 0) {
return res.status(404).json({
success: false,
message: 'Event not found'
});
}
res.json({
success: true,
data: rows[0]
});
} catch (error) {
console.error('Error fetching event:', error);
res.status(500).json({
success: false,
message: 'Error fetching event',
error: error.message
});
}
});
// POST create new event
app.post('/api/events', async (req, res) => {
try {
const { year, eventdate, eventtitle, eventimageurl, eventdescription } = req.body;
if (!year || !eventtitle) {
return res.status(400).json({
success: false,
message: 'Year and event title are required'
});
}
const [result] = await pool.execute(
'INSERT INTO events (year, eventdate, eventtitle, eventimageurl, eventdescription) VALUES (?, ?, ?, ?, ?)',
[year, eventdate, eventtitle, eventimageurl, eventdescription]
);
res.status(201).json({
success: true,
message: 'Event created successfully',
data: { id: result.insertId }
});
} catch (error) {
console.error('Error creating event:', error);
res.status(500).json({
success: false,
message: 'Error creating event',
error: error.message
});
}
});
// PUT update event
app.put('/api/events/:id', async (req, res) => {
try {
const { year, eventdate, eventtitle, eventimageurl, eventdescription } = req.body;
const eventId = req.params.id;
if (!year || !eventtitle) {
return res.status(400).json({
success: false,
message: 'Year and event title are required'
});
}
const [result] = await pool.execute(
'UPDATE events SET year = ?, eventdate = ?, eventtitle = ?, eventimageurl = ?, eventdescription = ? WHERE id = ?',
[year, eventdate, eventtitle, eventimageurl, eventdescription, eventId]
);
if (result.affectedRows === 0) {
return res.status(404).json({
success: false,
message: 'Event not found'
});
}
res.json({
success: true,
message: 'Event updated successfully'
});
} catch (error) {
console.error('Error updating event:', error);
res.status(500).json({
success: false,
message: 'Error updating event',
error: error.message
});
}
});
// DELETE event
app.delete('/api/events/:id', async (req, res) => {
try {
const [result] = await pool.execute('DELETE FROM events WHERE id = ?', [req.params.id]);
if (result.affectedRows === 0) {
return res.status(404).json({
success: false,
message: 'Event not found'
});
}
res.json({
success: true,
message: 'Event deleted successfully'
});
} catch (error) {
console.error('Error deleting event:', error);
res.status(500).json({
success: false,
message: 'Error deleting event',
error: error.message
});
}
});
// ===============================
// EVENT_IMAGES CRUD ROUTES
// ===============================
// GET all event images
app.get('/api/event-images', async (req, res) => {
try {
const [rows] = await pool.execute(`
SELECT ei.*, e.eventtitle
FROM event_images ei
LEFT JOIN events e ON ei.eventid = e.id
ORDER BY ei.id DESC
`);
res.json({
success: true,
data: rows
});
} catch (error) {
console.error('Error fetching event images:', error);
res.status(500).json({
success: false,
message: 'Error fetching event images',
error: error.message
});
}
});
// GET event images by event ID
app.get('/api/event-images/event/:eventId', async (req, res) => {
try {
const [rows] = await pool.execute('SELECT * FROM event_images WHERE eventid = ?', [req.params.eventId]);
res.json({
success: true,
data: rows
});
} catch (error) {
console.error('Error fetching event images:', error);
res.status(500).json({
success: false,
message: 'Error fetching event images',
error: error.message
});
}
});
// GET single event image by ID
app.get('/api/event-images/:id', async (req, res) => {
try {
const [rows] = await pool.execute('SELECT * FROM event_images WHERE id = ?', [req.params.id]);
if (rows.length === 0) {
return res.status(404).json({
success: false,
message: 'Event image not found'
});
}
res.json({
success: true,
data: rows[0]
});
} catch (error) {
console.error('Error fetching event image:', error);
res.status(500).json({
success: false,
message: 'Error fetching event image',
error: error.message
});
}
});
// POST create new event image
app.post('/api/event-images', async (req, res) => {
try {
const { eventid, imageurl } = req.body;
if (!eventid || !imageurl) {
return res.status(400).json({
success: false,
message: 'Event ID and image URL are required'
});
}
// Check if event exists
const [eventRows] = await pool.execute('SELECT id FROM events WHERE id = ?', [eventid]);
if (eventRows.length === 0) {
return res.status(400).json({
success: false,
message: 'Event does not exist'
});
}
const [result] = await pool.execute(
'INSERT INTO event_images (eventid, imageurl) VALUES (?, ?)',
[eventid, imageurl]
);
res.status(201).json({
success: true,
message: 'Event image created successfully',
data: { id: result.insertId }
});
} catch (error) {
console.error('Error creating event image:', error);
res.status(500).json({
success: false,
message: 'Error creating event image',
error: error.message
});
}
});
app.post('/api/event-images/bulk', async (req, res) => {
try {
const { eventid, imageurl } = req.body;
// Input validation
if (
!eventid || typeof eventid !== 'number' || isNaN(eventid) ||
!Array.isArray(imageurl) || imageurl.length === 0 ||
imageurl.some(url => typeof url !== 'string' || url.trim() === '')
) {
return res.status(400).json({
success: false,
message: 'Valid event ID and a non-empty array of image URLs (as strings) are required'
});
}
// Check if the event exists
const [eventRows] = await pool.execute(
'SELECT id FROM events WHERE id = ?',
[eventid]
);
if (eventRows.length === 0) {
return res.status(400).json({
success: false,
message: 'Event does not exist'
});
}
// Prepare the SQL placeholders and values
const placeholders = imageurl.map(() => '(?, ?)').join(', ');
const values = imageurl.flatMap(url => [eventid, url]);
// Debug logs (optional)
// console.log('SQL:', `INSERT INTO event_images (eventid, imageurl) VALUES ${placeholders}`);
// console.log('Values:', values);
// Execute the bulk insert
const [result] = await pool.execute(
`INSERT INTO event_images (eventid, imageurl) VALUES ${placeholders}`,
values
);
res.status(201).json({
success: true,
message: 'Event images inserted successfully',
insertedCount: imageurl.length,
data: {
firstInsertId: result.insertId,
affectedRows: result.affectedRows
}
});
} catch (error) {
console.error('Error inserting event images in bulk:', error);
res.status(500).json({
success: false,
message: 'Error inserting event images',
error: error.message
});
}
});
// PUT update event image
app.put('/api/event-images/:id', async (req, res) => {
try {
const { eventid, imageurl } = req.body;
const imageId = req.params.id;
if (!eventid || !imageurl) {
return res.status(400).json({
success: false,
message: 'Event ID and image URL are required'
});
}
// Check if event exists
const [eventRows] = await pool.execute('SELECT id FROM events WHERE id = ?', [eventid]);
if (eventRows.length === 0) {
return res.status(400).json({
success: false,
message: 'Event does not exist'
});
}
const [result] = await pool.execute(
'UPDATE event_images SET eventid = ?, imageurl = ? WHERE id = ?',
[eventid, imageurl, imageId]
);
if (result.affectedRows === 0) {
return res.status(404).json({
success: false,
message: 'Event image not found'
});
}
res.json({
success: true,
message: 'Event image updated successfully'
});
} catch (error) {
console.error('Error updating event image:', error);
res.status(500).json({
success: false,
message: 'Error updating event image',
error: error.message
});
}
});
// DELETE event image
app.delete('/api/event-images/:id', async (req, res) => {
try {
const [result] = await pool.execute('DELETE FROM event_images WHERE id = ?', [req.params.id]);
if (result.affectedRows === 0) {
return res.status(404).json({
success: false,
message: 'Event image not found'
});
}
res.json({
success: true,
message: 'Event image deleted successfully'
});
} catch (error) {
console.error('Error deleting event image:', error);
res.status(500).json({
success: false,
message: 'Error deleting event image',
error: error.message
});
}
});
// ===============================
// FILE UPLOAD ROUTES
// ===============================
// Upload single file
app.post('/api/upload/single', upload.single('file'), async (req, res) => {
try {
if (!req.file) {
return res.status(400).json({
success: false,
message: 'No file uploaded'
});
}
const filePath = `/uploads/${req.file.filename}`;
const timestamp = new Date().toISOString();
res.json({
success: true,
message: 'File uploaded successfully',
data: {
filename: req.file.filename,
originalname: req.file.originalname,
path: filePath,
fullUrl: `${req.protocol}://${req.get('host')}${filePath}`,
size: req.file.size,
mimetype: req.file.mimetype,
uploadedAt: timestamp
}
});
} catch (error) {
console.error('Error uploading file:', error);
res.status(500).json({
success: false,
message: 'Error uploading file',
error: error.message
});
}
});
// Upload multiple files
app.post('/api/upload/multiple', upload.array('files', 10), async (req, res) => {
try {
if (!req.files || req.files.length === 0) {
return res.status(400).json({
success: false,
message: 'No files uploaded'
});
}
const timestamp = new Date().toISOString();
const uploadedFiles = req.files.map(file => ({
filename: file.filename,
originalname: file.originalname,
path: `/uploads/${file.filename}`,
fullUrl: `${req.protocol}://${req.get('host')}/uploads/${file.filename}`,
size: file.size,
mimetype: file.mimetype,
uploadedAt: timestamp
}));
res.json({
success: true,
message: `${req.files.length} files uploaded successfully`,
data: uploadedFiles,
uploadedAt: timestamp
});
} catch (error) {
console.error('Error uploading files:', error);
res.status(500).json({
success: false,
message: 'Error uploading files',
error: error.message
});
}
});
// Upload and save to event_images table
app.post('/api/upload/event-images/:eventId', upload.array('files', 10), async (req, res) => {
try {
const eventId = req.params.eventId;
if (!req.files || req.files.length === 0) {
return res.status(400).json({
success: false,
message: 'No files uploaded'
});
}
// Check if event exists
const [eventRows] = await pool.execute('SELECT id FROM events WHERE id = ?', [eventId]);
if (eventRows.length === 0) {
return res.status(400).json({
success: false,
message: 'Event does not exist'
});
}
const timestamp = new Date().toISOString();
const uploadedFiles = [];
// Insert each uploaded file into event_images table
for (const file of req.files) {
const filePath = `/uploads/${file.filename}`;
const [result] = await pool.execute(
'INSERT INTO event_images (eventid, imageurl) VALUES (?, ?)',
[eventId, filePath]
);
uploadedFiles.push({
id: result.insertId,
filename: file.filename,
originalname: file.originalname,
path: filePath,
fullUrl: `${req.protocol}://${req.get('host')}${filePath}`,
size: file.size,
mimetype: file.mimetype,
uploadedAt: timestamp,
eventId: parseInt(eventId)
});
}
res.json({
success: true,
message: `${req.files.length} files uploaded and saved to database`,
data: uploadedFiles,
uploadedAt: timestamp
});
} catch (error) {
console.error('Error uploading and saving files:', error);
res.status(500).json({
success: false,
message: 'Error uploading and saving files',
error: error.message
});
}
});
// Error handling middleware
app.use((error, req, res, next) => {
if (error instanceof multer.MulterError) {
if (error.code === 'LIMIT_FILE_SIZE') {
return res.status(400).json({
success: false,
message: 'File too large. Maximum size is 10MB.'
});
}
}
res.status(500).json({
success: false,
message: error.message || 'Something went wrong!'
});
});
// Start server
app.listen(PORT, async () => {
console.log(`🚀 Server is running on port ${PORT}`);
console.log(`📁 Uploads directory: ${uploadsDir}`);
// Test database connection
await testDatabaseConnection();
console.log('🎉 Server is ready to accept requests');
});
// Graceful shutdown
process.on('SIGINT', async () => {
console.log('\n🛑 Shutting down gracefully...');
await pool.end();
process.exit(0);
});
process.on('SIGTERM', async () => {
console.log('\n🛑 Shutting down gracefully...');
await pool.end();
process.exit(0);
});
module.exports = app;

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Events API Test Page</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
}
.container {
max-width: 1200px;
margin: 0 auto;
background: rgba(255, 255, 255, 0.95);
border-radius: 20px;
padding: 30px;
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}
h1 {
text-align: center;
color: #333;
margin-bottom: 30px;
font-size: 2.5em;
background: linear-gradient(45deg, #667eea, #764ba2);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.section {
margin-bottom: 40px;
border: 2px solid #e0e0e0;
border-radius: 15px;
padding: 25px;
background: #fafafa;
}
.section h2 {
color: #444;
margin-bottom: 20px;
padding-bottom: 10px;
border-bottom: 3px solid #667eea;
font-size: 1.5em;
}
.form-group {
margin-bottom: 15px;
}
label {
display: block;
margin-bottom: 5px;
font-weight: 600;
color: #555;
}
input, textarea, select {
width: 100%;
padding: 12px;
border: 2px solid #ddd;
border-radius: 8px;
font-size: 14px;
transition: border-color 0.3s ease;
}
input:focus, textarea:focus, select:focus {
outline: none;
border-color: #667eea;
box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}
button {
background: linear-gradient(45deg, #667eea, #764ba2);
color: white;
border: none;
padding: 12px 25px;
border-radius: 8px;
cursor: pointer;
font-size: 14px;
font-weight: 600;
margin: 5px;
transition: transform 0.2s ease, box-shadow 0.2s ease;
}
button:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}
button:active {
transform: translateY(0);
}
.btn-danger {
background: linear-gradient(45deg, #ff6b6b, #ee5a24);
}
.btn-danger:hover {
box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}
.response {
background: #f8f9fa;
border: 1px solid #dee2e6;
border-radius: 8px;
padding: 15px;
margin-top: 15px;
max-height: 200px;
overflow-y: auto;
font-family: 'Courier New', monospace;
font-size: 12px;
white-space: pre-wrap;
}
.success {
border-left: 5px solid #28a745;
background: #d4edda;
}
.error {
border-left: 5px solid #dc3545;
background: #f8d7da;
}
.grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
gap: 20px;
}
.events-list, .images-list {
background: white;
border-radius: 10px;
padding: 20px;
margin-top: 20px;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
.event-item, .image-item {
background: #f8f9fa;
border-radius: 8px;
padding: 15px;
margin-bottom: 15px;
border-left: 4px solid #667eea;
}
.image-item img {
max-width: 100px;
max-height: 100px;
object-fit: cover;
border-radius: 5px;
margin-top: 10px;
}
.file-preview {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 10px;
}
.file-preview img {
width: 80px;
height: 80px;
object-fit: cover;
border-radius: 5px;
border: 2px solid #ddd;
}
.loading {
opacity: 0.6;
pointer-events: none;
}
.api-status {
background: linear-gradient(45deg, #28a745, #20c997);
color: white;
padding: 10px 20px;
border-radius: 25px;
text-align: center;
margin-bottom: 20px;
font-weight: 600;
}
.api-status.offline {
background: linear-gradient(45deg, #dc3545, #c82333);
}
.form-row {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 15px;
}
@media (max-width: 768px) {
.container {
padding: 15px;
}
.grid {
grid-template-columns: 1fr;
}
.form-row {
grid-template-columns: 1fr;
}
}
</style>
</head>
<body>
<div class="container">
<h1>🎉 Events API Test Dashboard</h1>
<div id="apiStatus" class="api-status">
Checking API Status...
</div>
<div class="grid">
<!-- Events Section -->
<div class="section">
<h2>📅 Events Management</h2>
<div class="form-row">
<div class="form-group">
<label>Year</label>
<input type="number" id="eventYear" placeholder="2024" min="1900" max="2100">
</div>
<div class="form-group">
<label>Event Date</label>
<input type="date" id="eventDate">
</div>
</div>
<div class="form-group">
<label>Event Title</label>
<input type="text" id="eventTitle" placeholder="Amazing Event Title">
</div>
<div class="form-group">
<label>Event Image URL</label>
<input type="url" id="eventImageUrl" placeholder="https://example.com/image.jpg">
</div>
<div class="form-group">
<label>Event Description</label>
<textarea id="eventDescription" rows="3" placeholder="Describe your amazing event..."></textarea>
</div>
<div class="form-group" style="display: none;" id="eventIdGroup">
<label>Event ID (for update/delete)</label>
<input type="number" id="eventId" placeholder="Enter event ID">
</div>
<button onclick="createNewEvent()">✨ Create Event</button>
<button onclick="getAllEvents()">📋 Get All Events</button>
<button onclick="showEventUpdateForm()">✏️ Update Event</button>
<button onclick="showEventDeleteForm()">🗑️ Delete Event</button>
<div id="eventResponse" class="response"></div>
</div>
<!-- Event Images Section -->
<div class="section">
<h2>🖼️ Event Images Management</h2>
<div class="form-row">
<div class="form-group">
<label>Event ID</label>
<select id="imageEventId">
<option value="">Select Event</option>
</select>
</div>
<div class="form-group">
<label>Image URL</label>
<input type="url" id="imageUrl" placeholder="https://example.com/image.jpg">
</div>
</div>
<div class="form-group" style="display: none;" id="imageIdGroup">
<label>Image ID (for update/delete)</label>
<input type="number" id="imageId" placeholder="Enter image ID">
</div>
<button onclick="createEventImage()">🖼️ Add Image</button>
<button onclick="getAllEventImages()">📸 Get All Images</button>
<button onclick="showImageUpdateForm()">✏️ Update Image</button>
<button onclick="showImageDeleteForm()">🗑️ Delete Image</button>
<div id="imageResponse" class="response"></div>
</div>
</div>
<!-- File Upload Section -->
<div class="section">
<h2>📁 File Upload Testing</h2>
<div class="grid">
<div>
<h3>Single File Upload</h3>
<div class="form-group">
<label>Choose File</label>
<input type="file" id="singleFile" accept="image/*">
</div>
<button onclick="uploadSingleFile()">📤 Upload Single</button>
<div id="singleFilePreview" class="file-preview"></div>
</div>
<div>
<h3>Multiple Files Upload</h3>
<div class="form-group">
<label>Choose Files</label>
<input type="file" id="multipleFiles" accept="image/*" multiple>
</div>
<button onclick="uploadMultipleFiles()">📤 Upload Multiple</button>
<div id="multipleFilePreview" class="file-preview"></div>
</div>
</div>
<div style="margin-top: 20px;">
<h3>Upload to Event Images</h3>
<div class="form-row">
<div class="form-group">
<label>Select Event</label>
<select id="uploadEventId">
<option value="">Select Event</option>
</select>
</div>
<div class="form-group">
<label>Choose Files</label>
<input type="file" id="eventFiles" accept="image/*" multiple>
</div>
</div>
<button onclick="uploadToEvent()">📤 Upload to Event</button>
<div id="eventFilePreview" class="file-preview"></div>
</div>
<div id="uploadResponse" class="response"></div>
</div>
<!-- Display Lists -->
<div class="grid">
<div class="events-list">
<h3>📋 Events List</h3>
<div id="eventsList"></div>
</div>
<div class="images-list">
<h3>🖼️ Images List</h3>
<div id="imagesList"></div>
</div>
</div>
</div>
<script>
const API_BASE = 'http://localhost:3000/api';
let events = [];
let images = [];
// Check API status on load
window.onload = function() {
checkApiStatus();
loadEventOptions();
};
async function checkApiStatus() {
const statusDiv = document.getElementById('apiStatus');
try {
const response = await fetch(`${API_BASE}/events`);
if (response.ok) {
statusDiv.textContent = '✅ API Server is Online';
statusDiv.className = 'api-status';
} else {
throw new Error('API not responding');
}
} catch (error) {
statusDiv.textContent = '❌ API Server is Offline';
statusDiv.className = 'api-status offline';
}
}
async function makeRequest(url, options = {}) {
try {
const response = await fetch(url, options);
const data = await response.json();
return { response, data };
} catch (error) {
return { error: error.message };
}
}
function displayResponse(elementId, data, isError = false) {
const element = document.getElementById(elementId);
element.textContent = JSON.stringify(data, null, 2);
element.className = `response ${isError ? 'error' : 'success'}`;
}
// Events CRUD
async function createNewEvent() {
const eventData = {
year: parseInt(document.getElementById('eventYear').value),
eventdate: document.getElementById('eventDate').value,
eventtitle: document.getElementById('eventTitle').value,
eventimageurl: document.getElementById('eventImageUrl').value,
eventdescription: document.getElementById('eventDescription').value
};
if (!eventData.year || !eventData.eventtitle) {
alert('Year and Event Title are required!');
return;
}
const { response, data, error } = await makeRequest(`${API_BASE}/events`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(eventData)
});
displayResponse('eventResponse', error || data, !!error);
if (!error && data.success) {
clearEventForm();
getAllEvents();
loadEventOptions();
}
}
async function getAllEvents() {
const { response, data, error } = await makeRequest(`${API_BASE}/events`);
displayResponse('eventResponse', error || data, !!error);
if (!error && data.success) {
events = data.data;
displayEventsList();
loadEventOptions();
}
}
function showEventUpdateForm() {
document.getElementById('eventIdGroup').style.display = 'block';
const updateBtn = event.target;
updateBtn.textContent = '💾 Update Event';
updateBtn.onclick = updateExistingEvent;
}
async function updateExistingEvent() {
const eventId = document.getElementById('eventId').value;
if (!eventId) {
alert('Please enter Event ID');
return;
}
const eventData = {
year: parseInt(document.getElementById('eventYear').value),
eventdate: document.getElementById('eventDate').value,
eventtitle: document.getElementById('eventTitle').value,
eventimageurl: document.getElementById('eventImageUrl').value,
eventdescription: document.getElementById('eventDescription').value
};
const { response, data, error } = await makeRequest(`${API_BASE}/events/${eventId}`, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(eventData)
});
displayResponse('eventResponse', error || data, !!error);
if (!error && data.success) {
clearEventForm();
getAllEvents();
}
}
function showEventDeleteForm() {
document.getElementById('eventIdGroup').style.display = 'block';
const deleteBtn = event.target;
deleteBtn.textContent = '🗑️ Confirm Delete';
deleteBtn.className = 'btn-danger';
deleteBtn.onclick = deleteExistingEvent;
}
async function deleteExistingEvent() {
const eventId = document.getElementById('eventId').value;
if (!eventId) {
alert('Please enter Event ID');
return;
}
if (!confirm('Are you sure you want to delete this event?')) {
return;
}
const { response, data, error } = await makeRequest(`${API_BASE}/events/${eventId}`, {
method: 'DELETE'
});
displayResponse('eventResponse', error || data, !!error);
if (!error && data.success) {
clearEventForm();
getAllEvents();
}
}
function clearEventForm() {
document.getElementById('eventYear').value = '';
document.getElementById('eventDate').value = '';
document.getElementById('eventTitle').value = '';
document.getElementById('eventImageUrl').value = '';
document.getElementById('eventDescription').value = '';
document.getElementById('eventId').value = '';
document.getElementById('eventIdGroup').style.display = 'none';
}
// Event Images CRUD
async function createEventImage() {
const imageData = {
eventid: parseInt(document.getElementById('imageEventId').value),
imageurl: document.getElementById('imageUrl').value
};
if (!imageData.eventid || !imageData.imageurl) {
alert('Event ID and Image URL are required!');
return;
}
const { response, data, error } = await makeRequest(`${API_BASE}/event-images`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(imageData)
});
displayResponse('imageResponse', error || data, !!error);
if (!error && data.success) {
clearImageForm();
getAllEventImages();
}
}
async function getAllEventImages() {
const { response, data, error } = await makeRequest(`${API_BASE}/event-images`);
displayResponse('imageResponse', error || data, !!error);
if (!error && data.success) {
images = data.data;
displayImagesList();
}
}
function showImageUpdateForm() {
document.getElementById('imageIdGroup').style.display = 'block';
const updateBtn = event.target;
updateBtn.textContent = '💾 Update Image';
updateBtn.onclick = updateEventImage;
}
async function updateEventImage() {
const imageId = document.getElementById('imageId').value;
if (!imageId) {
alert('Please enter Image ID');
return;
}
const imageData = {
eventid: parseInt(document.getElementById('imageEventId').value),
imageurl: document.getElementById('imageUrl').value
};
const { response, data, error } = await makeRequest(`${API_BASE}/event-images/${imageId}`, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(imageData)
});
displayResponse('imageResponse', error || data, !!error);
if (!error && data.success) {
clearImageForm();
getAllEventImages();
}
}
function showImageDeleteForm() {
document.getElementById('imageIdGroup').style.display = 'block';
const deleteBtn = event.target;
deleteBtn.textContent = '🗑️ Confirm Delete';
deleteBtn.className = 'btn-danger';
deleteBtn.onclick = deleteEventImage;
}
async function deleteEventImage() {
const imageId = document.getElementById('imageId').value;
if (!imageId) {
alert('Please enter Image ID');
return;
}
if (!confirm('Are you sure you want to delete this image?')) {
return;
}
const { response, data, error } = await makeRequest(`${API_BASE}/event-images/${imageId}`, {
method: 'DELETE'
});
displayResponse('imageResponse', error || data, !!error);
if (!error && data.success) {
clearImageForm();
getAllEventImages();
}
}
function clearImageForm() {
document.getElementById('imageEventId').value = '';
document.getElementById('imageUrl').value = '';
document.getElementById('imageId').value = '';
document.getElementById('imageIdGroup').style.display = 'none';
}
// File Upload Functions
async function uploadSingleFile() {
const fileInput = document.getElementById('singleFile');
if (!fileInput.files[0]) {
alert('Please select a file');
return;
}
const formData = new FormData();
formData.append('file', fileInput.files[0]);
const { response, data, error } = await makeRequest(`${API_BASE}/upload/single`, {
method: 'POST',
body: formData
});
displayResponse('uploadResponse', error || data, !!error);
if (!error && data.success) {
displayFilePreview('singleFilePreview', [data.data]);
}
}
async function uploadMultipleFiles() {
const fileInput = document.getElementById('multipleFiles');
if (!fileInput.files.length) {
alert('Please select files');
return;
}
const formData = new FormData();
for (let file of fileInput.files) {
formData.append('files', file);
}
const { response, data, error } = await makeRequest(`${API_BASE}/upload/multiple`, {
method: 'POST',
body: formData
});
displayResponse('uploadResponse', error || data, !!error);
if (!error && data.success) {
displayFilePreview('multipleFilePreview', data.data);
}
}
async function uploadToEvent() {
const eventId = document.getElementById('uploadEventId').value;
const fileInput = document.getElementById('eventFiles');
if (!eventId) {
alert('Please select an event');
return;
}
if (!fileInput.files.length) {
alert('Please select files');
return;
}
const formData = new FormData();
for (let file of fileInput.files) {
formData.append('files', file);
}
const { response, data, error } = await makeRequest(`${API_BASE}/upload/event-images/${eventId}`, {
method: 'POST',
body: formData
});
displayResponse('uploadResponse', error || data, !!error);
if (!error && data.success) {
displayFilePreview('eventFilePreview', data.data);
getAllEventImages();
}
}
function displayFilePreview(containerId, files) {
const container = document.getElementById(containerId);
container.innerHTML = '';
files.forEach(file => {
const img = document.createElement('img');
img.src = file.fullUrl || `http://localhost:3000${file.path}`;
img.alt = file.originalname;
img.title = `${file.originalname} (${(file.size / 1024).toFixed(1)} KB)`;
container.appendChild(img);
});
}
// Display Functions
function displayEventsList() {
const container = document.getElementById('eventsList');
container.innerHTML = '';
events.forEach(event => {
const eventDiv = document.createElement('div');
eventDiv.className = 'event-item';
eventDiv.innerHTML = `
<strong>ID: ${event.id}</strong> - ${event.eventtitle} (${event.year})
<br><small>Date: ${event.eventdate || 'N/A'}</small>
<br><small>Description: ${event.eventdescription || 'N/A'}</small>
${event.eventimageurl ? `<br><img src="${event.eventimageurl}" alt="Event Image" style="max-width: 100px; margin-top: 5px;">` : ''}
`;
container.appendChild(eventDiv);
});
}
function displayImagesList() {
const container = document.getElementById('imagesList');
container.innerHTML = '';
images.forEach(image => {
const imageDiv = document.createElement('div');
imageDiv.className = 'image-item';
imageDiv.innerHTML = `
<strong>Image ID: ${image.id}</strong> - Event: ${image.eventtitle || 'N/A'}
<br><small>Event ID: ${image.eventid}</small>
<img src="http://localhost:3000${image.imageurl}" alt="Event Image" onerror="this.style.display='none'">
`;
container.appendChild(imageDiv);
});
}
async function loadEventOptions() {
const { response, data, error } = await makeRequest(`${API_BASE}/events`);
if (!error && data.success) {
const selects = ['imageEventId', 'uploadEventId'];
selects.forEach(selectId => {
const select = document.getElementById(selectId);
select.innerHTML = '<option value="">Select Event</option>';
data.data.forEach(event => {
const option = document.createElement('option');
option.value = event.id;
option.textContent = `${event.id} - ${event.eventtitle}`;
select.appendChild(option);
});
});
}
}
// Auto-load data on page load
setTimeout(() => {
getAllEvents();
getAllEventImages();
}, 500);
</script>
</body>
</html>