PATCH Requests

app.patch('/books/:id', (req, res) => {
    const updates = req.body

    if(ObjectId.isValid(req.params.id)){
        db.collection('books')
        .updateOne({_id: new ObjectId(req.params.id)}, {$set: updates})
        .then(result =>{
            res.status(200).json(result)
        })
        .catch(err => {
            res.status(500).json({ error: "Could not update the document"})
        })
    } else {
        res.status(500).json({ error: "Not a valid id"})
    } 
})