File Upload Multer Node API

file_upload.js

import express from 'express';
import multer from 'multer';
import Image from './../models/upload.model';

const router = express.Router();

// multer local storage
const storage = multer.diskStorage({
    destination: function (req, file, cb) {
        cb(null, './uploads');
    },
    filename: function (req, file, cb) {
        cb(null, Date.now() + file.originalname);
    }
});

// filter uploaded files (allowed: jpeg, png)
const fileFilter = (req, file, cb) => {
    if(file.mimetype === 'image/jpeg' || file.mimetype === 'image/png' || file.mimetype === 'image/jpg'){
        cb(null, true);
    }else{
        // rejects storing the file
        cb(null, false);
    }
}

// upload
const upload = multer({
    storage: storage,
    limits: {
        fileSize: 1024 * 1024 * 5
    },
    fileFilter : fileFilter
});


    const newImage = new Image({
        imageName: req.body.imageName,
        imageData: req.file.path
    });



    newImage.save()
        .then((result) => {
            res.status(200).json({
                success: true,
                document: result
            });
        })
        .catch((err) => next(err));
});

module.exports = router;