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MongooseJS modify document during pre hook


MongooseJS modify document during pre hook

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MongooseJS modify document during pre hook
Tag : node.js , By : Grik
Date : November 29 2020, 01:01 AM


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MongooseJS - How to save document and referenced document


Tag : node.js , By : Bjørn Lyngwa
Date : March 29 2020, 07:55 AM
Any of those help Check the 'Updating Refs' section of the Mongoose documentation on populate.
You will see there, in the example, that you still must save both the Request and User documents you have created. (In the example, they first save the user 'guille' then in the callback they save the 'story'.)

mongoosejs pre save hook on array field


Tag : mongodb , By : Pancilobak
Date : March 29 2020, 07:55 AM
it should still fix some issue map() doesn't modify the original array, you need to assign the result to the property:
ArticleSchema.pre('save', function(next) {

    this.categories = _.map(this.categories, function(category) { 
        console.log(category.toLowerCase());
        return category.toLowerCase();  
    });    
    next();
});

MongooseJS Pre Save Hook with Ref Value


Tag : javascript , By : Dov
Date : March 29 2020, 07:55 AM
it should still fix some issue You'll need to do another query, but it's not very hard. Population only works on a query, and I don't believe that there is a convenience hook for such cases.
var User = mongoose.model('User');

TopicSchema.pre('save', function(next) {
  var self = this;
  User.findById( self.user, function (err, user) {
    if (err) // Do something
    var usersTime = moment().tz(user.timezone).hours(0).minutes(0).seconds(0).milliseconds(0);  // Reset the time to midnight
    var nextNotifyDate = usersTime.add(1, 'days').seconds(self.timeOfDay);                       // Add a day and set the reminder
    self.nextNotificationDate = nextNotifyDate.utc();

    next();
  });
});

Populate document if there is no value, using MongooseJS


Tag : javascript , By : jsmb
Date : March 29 2020, 07:55 AM
will be helpful for those in need So the answer to the question is here:
Mongoose: CastError: Cast to ObjectId failed for value "[object Object]" at path "_id"

mongoosejs upsert with on save hook


Tag : mongodb , By : dormsbee
Date : March 29 2020, 07:55 AM
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