CODEWITHSUNDEEP
javascriptnode.jsmongodbmongoose
renard
renard

Reputation: 1468

Mongoose - post save hook not firing

Here is my post save hook : 

profileSessionSchema.post('save',function(doc){
  console.log('POST SAVE HOOK')
})

And here is the code that should fire the post save hook : 

ProfileSession.findOne({prenom:'Georges'},function(err,profile){
  //... 
  Realisation.findOne({},function(err,realDoc){
    //...

    profile.realisations.push(realDoc);
    // And finally saving profile
    profile.save()
  })
})

And if it helps, here are my Schemas : 

const profileSessionSchema = mongoose.Schema({
    prenom: { type: String, required: [true,'ce champ est obligatoire'], trim:true},
    realisations : [realisationSchema],
});
ProfileSession = mongoose.model('ProfileSession',profileSessionSchema);


const realisationSchema = mongoose.Schema({
   profile_id :{ type: mongoose.Schema.Types.ObjectId, ref: 'ProfileSession'},
   wall : { type: String, enum:walls, required:true},
   pitch : { type: Number, min:1,max:maxWallsDiff, required:true,},
})
Realisation = mongoose.model('Realisation', realisationSchema);

I know the profile.save() method is called because I can see the changes on the profile doc after saving. I don't understand what I am missing, I've read the documentation, looked at the other posts dealing with this subject.

I have also tried to define the post hook callback with 3 arguments (err, doc, next), and calling next() at the end of my callback definition, but it makes no difference.

Thank you for your help. Cheers.

Upvotes: 1

Views: 1965

Answers (1)

renard
renard

Reputation: 1468

I eventually found what was the matter thanks to this post : https://github.com/Automattic/mongoose/issues/5073#issuecomment-287266986

It ends up that for mongoose > 4.8, hooks must be set BEFORE creating model !

That is to say 

// This must be define before mongoose.model(...)
profileSessionSchema.post('save',function(doc){
  console.log('POST SAVE HOOK')
})
ProfileSession = mongoose.model('ProfileSession',profileSessionSchema);

Thank you

Upvotes: 2

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