I have Posts which contains a comments reference, the comments have a user reference. I want to create a method in which I can get the user with their comment.
Post: [comment_id, comment_id]
Comment: [user_id]
The following is what I have so far:
postRouter.get('/:postId/comments', (req, res, next) => {
Post.findOne({ _id: req.params.postId })
.populate('comments')
// this does not work
.populate('comments.user')
.exec((err, comments) => {
if (err) {
res.status(500);
return next(err);
}
return res.status(200).send(comments);
// returns
// {
// "_id": "1234567",
// "comments": [ { "_id": "891011", "body": "hello world", "user": "456789" }]
// }
});
});
As stated before where I get the "user" I would like to populate it with the user document. Is this possible?
Yes, it's possible. You can do it like this:
Post.findOne({ _id: req.params.postId }).populate([
{
path: 'comments',
populate: [{ path: 'user' }]
}
]);