FINAL-PROJECT-BACK/helpers/upload.js

const multer = require('multer');
const path = require('path');
require('dotenv').config();
const DIR_UPLOAD = path.join(process.cwd(), process.env.DIR_UPLOAD);

const storage = multer.diskStorage({
	destination: function (_req, _file, cb) {
		cb(null, DIR_UPLOAD);
	},
	filename: function (_req, file, cb) {
		cb(null, file.originalname);
	},
});

const uploadImage = multer({
	storage: storage,
	limits: { fileSize: 8000000 },
	fileFilter: (_req, file, cb) => {
		if (file.mimetype.includes('image')) return cb(null, true);
		cb(null, false);
	},
});

const uploadAudio = multer({
	storage: storage,
	limits: { fileSize: 20000000 },
	fileFilter: (_req, file, cb) => {
		if (file.mimetype.includes('audio')) return cb(null, true);
		cb(null, false);
	},
});

const uploadVideo = multer({
	storage: storage,
	limits: { fileSize: 200000000 },
	fileFilter: (_req, file, cb) => {
		if (file.mimetype.includes('video')) return cb(null, true);
		cb(null, false);
	},
});

const uploadFile = multer({
	storage: storage,
	limits: { fileSize: 200000000 },
	fileFilter: (_req, file, cb) => {
		if (file.mimetype.includes('application')) return cb(null, true);
		cb(null, false);
	},
});

module.exports = { uploadImage, uploadAudio, uploadVideo, uploadFile };