Having issues with uploading images from my form using Multer. When an image is inserted, everything functions correctly. However, I encounter an error when no image is selected.
- Below is the configuration for Multer: all uploaded images are stored in public/images/uploads:
// File upload handling var storage = multer.diskStorage({ destination: function (req, file, cb) { cb(null, 'public/images/uploads/') }, filename: function (req, file, cb) { cb(null, file.fieldname + '-' + Date.now()+ '.jpg') } }); var upload = multer({ storage: storage })
My problem arises when attempting to retrieve the value of mainImageName without inserting an image, resulting in the error
cannot get property filename of undefined.Here is the remainder of the code :
// Submit new post router.post('/add', upload.single('mainimage'), function(req, res, next) { var title = req.body.title; var category = req.body.category; var body = req.body.body; var author = req.body.author; var date = new Date(); if(req.file && req.file.mainimage){ var mainImageName = req.file.filename; var mainImageMime = req.file.mainimage.mimetype; var mainImagePath = req.file.mainimage.path; var mainImageSize = req.file.mainimage.size; }else{ //if there was no image uploaded!! //noimage.png should be placed in public/images/uploads mainImageName = 'noimage.png'; } console.log(mainImageName); //always returns noimage.png !! //form validation req.checkBody('title', 'You forgot the title').notEmpty(); req.checkBody('body', 'Please fill in the body').notEmpty(); //check errors var errors = req.validationErrors(); if(errors){var mycategories = []; var categories = db.get('categories'); categories.find({}, {}, function(err, categories) {
for (i=0; i<categories.length; i++) { mycategories[i] = categories[i]; } }); res.render('addpost', { 'pageTitle': 'Add Post', 'errors': errors, 'title': title, 'body': body, 'categories': mycategories }); } else{ var posts = db.get('posts'); //submit Post posts.insert({ "title": title, "body": body, "category": category, "date": date, "author": author, "mainimage": mainImageName }, function(err, post) { if (err){ res.send('There was an issue submitting the post.') } else { req.flash('success_msg', 'Post Submitted'); res.location('/'); res.redirect('/'); } }); }});