Can I use this together with Mongoose-Deep-Populate plugin? about mongoose-fill HOT 13 CLOSED

mongoose-fill works on the model it self with predefined .fill(..) config. So it will not fill props of populated objects (either you populate them with deep-populate or standard populate out of the box.

But actually something like this I think that this may work for you:

// you define fill on child
ChildSchema.fill('another', function(callback){
  ...
})

Then you define fill on parent:

ModelSchema.fill('child.another', function(callback){
  // this.child should be populated
  // probably it will in your case  
  this.child.fill('another', callback)
})

Not shure if child.another (with dot) for fill name will work out, if not replace it with something else.

Actually I think it can be accompblished in some way.

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in the ChildSchema you just need ChildSchema.fill('another', ...)

it is working, thanks for this awesome plugin

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Maybe this plugin should provide this out of the box, as a feature

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Actually I didn't understand you problem completly what works, what should work and what doesn't =)

you have fill defined on you child, and you want it to be auto filled from querying parent model using .fill('child.another')?

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My use case is this:

NewsFeed model has one Post that has many Comments

NewsFeed.find().deepPopulate(['post', 'post.user']).fill('post.comments').exec()

Comments are not embedded on Post, neither Post references all its comments, that's why I need to fill comments inside posts

My newsfeed do not have only Posts, it has other models

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So does it work for you? What extra steps exept defining PostSchema.fill('comments, ..)` needed ?

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I have to define:

NewsFeedSchema.fill('post.comments', (cb) => this.post.fill('comments') )
PostSchema.fill('comments', (cb) => Comment.find({postId: this._id}).exec(cb))

instead of just having the fill in the child schema

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Ah ok, well this probably could be supported out of the box, but not sure because, there is seem to be too much magic already.)

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Besides mongoose-fill sitll kinda hack to get rid of callback hell with custom methods and simplify the code (though not more than embedded populate). With async/await maybe it will be more convinient to use custom methods, but I prefere rxjs streams currently for this purpose.)

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Callback is really a hell.
I'm using koa@2 that uses async/await, that's awesome.
I wish mongoose interoperability with async function is better

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One think that will make this plugin even better is to accept parameters on fill

For instance

Post.fill('comments', (args, cb) => Comment.find({postId: this._id}).limit(args.limit).exec(cb));
Post.fill('comments', 10).exec(); // get only 10 comments of Post

I'm going to see whether I can implement it and provide a PR for this case

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actually I believe fill already does what you need
see last example in readme

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that's awesome, your plugin should be part of the mongoose core

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