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fix server.js

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coast 2025-10-02 02:50:49 +02:00
parent 31a8a77f60
commit d76af466f1
1 changed files with 65 additions and 57 deletions
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120
server.js
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@ -5,84 +5,92 @@ const fs = require('fs');
const app = express(); const app = express();
// configure storage for uploaded files
const storage = multer.diskStorage({ const storage = multer.diskStorage({
destination: (req, file, cb) => { destination: (req, file, cb) => {
cb(null, 'uploads/'); cb(null, 'uploads/');
}, },
filename: (req, file, cb) => { filename: (req, file, cb) => {
const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9); const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
cb(null, uniqueSuffix + '-' + file.originalname); cb(null, uniqueSuffix + '-' + file.originalname);
} }
}); });
const upload = multer({ storage: storage }); const upload = multer({ storage: storage });
// serve static files
app.use(express.static(__dirname)); app.use(express.static(__dirname));
// upload files
app.post('/upload', upload.array('files'), (req, res) => { app.post('/upload', upload.array('files'), (req, res) => {
if (!req.files || req.files.length === 0) { if (!req.files || req.files.length === 0) {
return res.status(400).send('No files were uploaded.'); return res.status(400).send('No files were uploaded.');
} }
res.send(`Successfully uploaded ${req.files.length} file(s)!`); res.send(`Successfully uploaded ${req.files.length} file(s)!`);
}); });
// get list of uploaded files
app.get('/files', (req, res) => { app.get('/files', (req, res) => {
const directoryPath = path.join(__dirname, 'uploads'); const directoryPath = path.join(__dirname, 'uploads');
fs.readdir(directoryPath, (err, files) => { fs.readdir(directoryPath, (err, files) => {
if (err) { if (err) {
return res.status(500).send('Unable to scan directory: ' + err); return res.status(500).send('Unable to scan directory: ' + err);
} }
const fileListPromises = files.map(file => { const fileListPromises = files.map(file => {
return new Promise((resolve) => { return new Promise((resolve) => {
const filePath = path.join(directoryPath, file); const filePath = path.join(directoryPath, file);
fs.stat(filePath, (err, stats) => { fs.stat(filePath, (err, stats) => {
if (err) { if (err) {
return resolve(null); return resolve(null);
} }
resolve({ resolve({
name: file, name: file,
path: `/uploads/${file}`, path: `/uploads/${file}`,
size: stats.size, size: stats.size,
date: stats.mtime date: stats.mtime
}); });
}); });
}); });
}); });
Promise.all(fileListPromises).then(fileList => { Promise.all(fileListPromises).then(fileList => {
res.json(fileList.filter(file => file !== null)); res.json(fileList.filter(file => file !== null));
}); });
}); });
}); });
// serve a specific file
app.get('/uploads/:filename', (req, res) => { app.get('/uploads/:filename', (req, res) => {
const filePath = path.join(__dirname, 'uploads', req.params.filename); const filePath = path.join(__dirname, 'uploads', req.params.filename);
res.sendFile(filePath, err => { res.sendFile(filePath, err => {
if (err) { if (err) {
res.status(404).send('File not found'); res.status(404).send('File not found');
} }
}); });
}); });
// download a specific file
app.get('/download/:filename', (req, res) => { app.get('/download/:filename', (req, res) => {
const filePath = path.join(__dirname, 'uploads', req.params.filename); const filePath = path.join(__dirname, 'uploads', req.params.filename);
res.download(filePath, err => { res.download(filePath, err => {
if (err) { if (err) {
res.status(404).send('File not found'); res.status(404).send('File not found');
} }
}); });
}); });
// delete a specific file
app.delete('/delete/:filename', (req, res) => { app.delete('/delete/:filename', (req, res) => {
const filePath = path.join(__dirname, 'uploads', req.params.filename); const filePath = path.join(__dirname, 'uploads', req.params.filename);
fs.unlink(filePath, err => { fs.unlink(filePath, err => {
if (err) { if (err) {
return res.status(404).send('File not found'); return res.status(404).send('File not found');
} }
res.send('File deleted successfully'); res.send('File deleted successfully');
}); });
}); });
// start the server
app.listen(3000, () => { app.listen(3000, () => {
console.log('Server is running on http://localhost:3000'); console.log('Server is running on http://localhost:3000');
}); });