var mongoose = require('mongoose');
var Schema   = mongoose.Schema;triggers
var User = require('./UserModel');

var PostSchema = new Schema({
    'title' : String,
    'content' : String,
    'date' : Date,
    'tags' : String,
    'userID' : {
        type: Schema.Types.ObjectId,
        ref: 'User'
    }
});

PostSchema.post('save', function (doc) {
    User.findById(doc.userID,function (err, doc) {
        //here you would normally do doc.set and doc.save right? but there's no response object
    });
});

module.exports = mongoose.model('Post', PostSchema);