Node.JS Note Model

'use strict';

var mongoose = require('mongoose'),
    Schema = mongoose.Schema,
    Tag = require('./tag.model'); //another mongoose Model

var NoteSchema = new Schema({
    name: String,
    info: String,
    active: Boolean,
    tags: [{ type: String, ref: 'Tag' }],
});

NoteSchema.virtual('tagsAsString').get(function () {
    var result = "";
    for (var x in this.tags) {
        result += this.tags[x].name + " ";
    }
    return result;
});

NoteSchema.virtual('tagsAsString').set(function (data) {
    var split = data.split(' ');
    this.tags = new Array();
    for (var s in split) {
        Tag.find({ name: split[s] }).exec(function (err, tag) {
            if (tag == undefined || tag == 0 || tag.length == 0) {
                tag = new Tag({ name: split[s] });
                tag.save(function (err) {
                    if (err) console.error(err);
                });
                this.tags.push(tag.name);
            }
            else {
                this.tags.push(tag.name);
            }

            this.save(function (err) {
                if (err) console.error(err);
            });
        });
    }
});

module.exports = mongoose.model('Note', NoteSchema);