Vermongo Mongoose Plugin
Keeps history for mongoose documents.
Spec for Vermongo [link]
Installation
npm install mongoose-vermongo
Usage
var mongoose = require('mongoose');
var vermongo = require('mongoose-vermongo');
mongoose.Promise = require('bluebird');
var Schema = mongoose.Schema;
var pageSchema = new Schema({
title : { type : String, required : true},
content : { type : String, required : true },
path : { type : String, required : true},
tags : [String],
lastModified : Date,
created : Date
});
pageSchema.plugin(vermongo, "pageschemas.vermongo");
mongoose.connect("mongodb://localhost:27017/mongotest");
mongoose.connection.on('error', () => {
console.log(`MongoDB connection error. Please make sure MongoDB is running.`);
process.exit();
});
mongoose.connection.on('connected', () => {
const Page = mongoose.model('PageSchema', pageSchema);
var page = new Page({ title: "test", content: "foobar", path: "lala", tags: ["a", "b"] });
page.save()
.then((page) => { page.title = "test 2"; return page.save(); })
.then((page) => { return page.remove(); })
.then((page) => { process.exit(); })
.catch((err) => { console.log(err); process.exit(); })
});Which will result in two Collections,
pageschemas
There will be 0 records
pageschemas.vermongo
There will be 3 records:
{
"_id" : {
"_version" : 1,
"_id" : ObjectId("589dd2b21dd3a1d7ef101e98")
},
"title" : "test",
"content" : "foobar",
"path" : "lala",
"_version" : 1,
"tags" : [
"a",
"b"
]
}
/* 2 */
{
"_id" : {
"_version" : 2,
"_id" : ObjectId("589dd2b21dd3a1d7ef101e98")
},
"title" : "test 2",
"content" : "foobar",
"path" : "lala",
"_version" : 2,
"tags" : [
"a",
"b"
]
}
/* 3 */
{
"_id" : {
"_version" : 3,
"_id" : ObjectId("589dd2b21dd3a1d7ef101e98")
},
"_version" : -1,
"tags" : []
}