Users can create accounts on my app and are allowed to like, share X post.
The thing is that whenever a user deletes his/her account, everything related to them should also be deleted; so far I've been able to fix most of it but this:
await this.model('Post').updateMany(
{
'sharedby.user': this._id
},
{
$pull: { 'sharedby.user': this._id }
}
);
Obviously, I'm using dot notation since user is one of the objects found in the sharedby object from the Post model. Here it is:
sharedby: [
{
user: {
type: mongoose.Schema.Types.ObjectId,
ref: 'User'
},
post: {
type: mongoose.Schema.Types.ObjectId,
ref: 'Post'
}
}
],
Whenever there's a share, this function gets triggered:
const newshare = await Post.findByIdAndUpdate(
{
_id: req.params.id,
sharedby: { $ne: { user: req.user._id } }
},
{
$push: { sharedby: { user: req.user._id, post: post._id } }
},
{
new: true,
runValidators: true,
setDefaultsOnInsert: true
}
);
That's pretty much about it. I really have no idea why it's not working. Any suggestions? Thanks!.
Since you want to delete all the matching records from sharedby, I imagine you'll want to use $pullAll. Also, when using $pull or $pullAll, you should only use dot notation up to the Array boundary:
await this.model('Post').updateMany(
{
'sharedby.user': this._id
},
{
$pullAll: { 'sharedby': { user: this._id } }
}
);
See also: Remove Items from an Array of Documents