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index.js
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index.js
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var express = require('express');
var app = express();
var multer = require('multer')
var bodyParser = require('body-parser');
var fs = require('fs');
const path = require('path');
var upload = multer({
dest: 'uploads/'
})
// set the port of our application
// process.env.PORT lets the port be set by Heroku
var port = process.env.PORT || 5000;
// set the view engine to ejs
app.set('view engine', 'ejs');
// make express look in the public directory for assets (css/js/img)
app.use(express.static(__dirname + '/public'));
var temp_folder_path = path.join(__dirname, 'uploads');
var storage = multer.diskStorage({
destination: function(req, file, callback) {
callback(null, './uploads')
},
filename: function(req, file, callback) {
callback(null, file.fieldname + '-' + Date.now())
}
})
var deleteFolderRecursive = function (path) {
if (fs.existsSync(path)) {
fs.readdirSync(path).forEach(function (file, index) {
var curPath = path + "/" + file;
if (fs.lstatSync(curPath).isDirectory()) { // recurse
deleteFolderRecursive(curPath);
fs.rmdirSync(curPath);
} else { // delete file
fs.unlinkSync(curPath);
}
});
}
};
app.get(['/', '/about'], function(req, res) {
// ejs render automatically looks in the views folder
res.render('index');
});
app.post('/upload', function(req, res) {
deleteFolderRecursive (temp_folder_path)
var fileSize;
var upload = multer({
storage: storage
}).single('userFile')
upload(req, res, function(err) {
fs.stat(req.file.path, function(err, stats) {
fileSize= {"size": stats["size"]}
res.writeHead(200, {
'Content-Type': 'application/json'
}); res.end(JSON.stringify(fileSize));
})
})
})
app.listen(port, function() {
console.log('Our app is running on http://localhost:' + port);
});