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https://github.com/lessthan3/mongofb

MongoFirebase - MongoDB + Firebase security/updates
https://github.com/lessthan3/mongofb

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MongoFirebase - MongoDB + Firebase security/updates

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README 

        
# MongoFB



## Table of Contents



 - [General Information](#general-information)

  - [What is MongoFB](#what-is-mongofb)

  - [Diagram](#diagram)

 - [Usage](#usage)

  - [Server Configuration](#server-configuration)

  - [Server API](#server-api)

  - [Server Hooks](#server-hooks)

  - [Authentication](#authentication)

  - [Client SDK](#client-sdk)

 - [Examples](#examples)

  - [Server](#server)

  - [Javascript Client](#javascript-client) 

  - [iOS Client](#ios-client) 

  - [Android Client](#android-client) 



## General Information



### What is MongoFB



MongoFB is a combination of MongoDB and Firebase. You can run your MongoDB

anywhere you like, and sign up for your own Firebase account.  MongoFB

provides an API so you can query, index, and aggregate your data (all the

things you wish your firebase could do).  MongoFB uses Firebase as its

master source of data, so you get built in Security Rules, Authentication,

and can listen for updates on any document of any collection, or any field

of any document (all the things you wish your mongodb would do).



 - Firebase

   - Security/Authentication

   - WebSockets

 - MongoDB

   - querying

   - indexing

   - aggregation



### Diagram

![Diagram](http://media.lessthan3.com/wp-content/uploads/2013/07/mongofb.png)



## Usage



### Sever Configuration



MongoFB can be included in your express or zappajs server, using middleware.

```

mongofb = require 'mongofb'



app.use mongofb {

  root: '/api/1'      # the root url to host mongofb on

  cache:

    max: 100          # the max number of results to store in a local LRU cache

    maxAge: 1000*60*5 # the max age of any result in the LRU cache

  firebase:

    url: ''           # the url of your firebase

    secret: ''        # your firebase secret - only needed if your firebase has security rules

  mongodb:

    db: 'test'        # the mongodb to connect to

    host: 'localhost' # the host of your mongodb

    pass: ''          # the password to connect with

    port: 27017       # the port to connect to

    user: 'admin'     # the user to connect with

    options: {}       # other connection options [ref](#https://github.com/mongodb/node-mongodb-native/blob/master/docs/articles/MongoClient.md#basic-parts-of-the-url)

}

```



### Server API



/API-ROOT/mongofb.js

```

Serves the javascript client

```



/API-ROOT/Firebase

```

Let's the client look up the public url of your Firebase

```



/API-ROOT/ObjectId

```

The client calls here to get a new ObjectID before writing to Firebase

```



/API-ROOT/sync/:collection/:id

```

After an insert, update, or remove, a client will tell the server it needs to

update data in Firebase. The server will then pull the most up-to-date data

directly from Firebase and write it to MongoDB for querying.

```



/API-ROOT/:collection/find

```

Perform a db.collection.find on your MongoDB. Pass your query as query

parameters to this endpoint. The result is returned as an array.



special options

 - limit: limits the number of results in the response

```



/API-ROOT/:collection/findOne

```

Perform a db.collection.findOne on your MongoDB. Pass your query as query

parameters to this endpoint. The result is returned as an object

```



/API-ROOT/:collection/:id*

```

Perform a db.collection.findOne by {_id: ObjectID()} on your MongoDB. Pass your

query as query parameters to this endpoint. The result is returned as an object.



This endpoint functions more like a standard resource url as no query parameters

are used.  This method also lets you query for specific fields of a document.



example: /API-ROOT/posts/510b56c221168da296f27bd5/author/name



The above might be a posts collection for my blog. With this I could directly

access the author's name of post 510b56c221168da296f27bd5.



The corresponding Firebase URL for that data would be

https://my-firebase.firebaseio.com/posts/510b56c221168da296f27bd5/author/name

```



### Server Hooks

Sometimes you may want to modify the response from your api, or set default

values for parameters, or do something special if the user is authenticated.

This is all possible with MongoFB Hooks.



You can define your hooks in your server configuration. The current hooks

available are...



new_query = collection.before.find(query)



new_doc = collection.after.find(doc)



Example Usage

```

app.use mongofb {

  firebase: config.firebase

  mongofb: config.mongodb

  root: '/api/1'

  hooks:

    users:

      after:

        find: (doc) ->

          # hide private user information to other users

          return doc if @user?.auth?.id == doc.id

          {_id: doc._id, public: doc.public}

    posts:

      before:

        find: (query) ->

          # an author changed their name

          if query.author?.name == 'joe'

            query.author.name = 'joey'



          # if we search for football or baseball, also search all sports

          if query.tag in ['football', 'baseball']

            query.tag = [query.tag, 'sports']



          # force a small limit

          query.limit = 10

}

```



### Authentication

authenticate any request by passing a token query parameter with the

value being the users' firebase token.



The @user can then be referenced in your hooks



### Client SDK

How to use the Javascript SDK



Classes

```

mongofb.Database

mongofb.Collection

mongofb.Document

mongofb.DocumentRef

```



mongofb.Database

```

# This is the equivalent to a MongoDB Database



# Connect to our MongoFB server

db = new mongofb.Database 'http://localhost:3000/API-ROOT'



# Get a collection

posts = db.collection 'posts'

posts = db.get 'posts' 



# Get a document directly

post = db.collection('posts').get('510b56c221168da296f27bd5')

post = db.get('posts/510b56c221168da296f27bd5')

post = db.get('posts.510b56c221168da296f27bd5')



# Get a field from a document directly

name = db.get('posts/510b56c221168da296f27bd5/author/name')

name = db.get('posts.510b56c221168da296f27bd5.author.name')

```



mongofb.Collection

```

# This is the equivalent to a MongoDB Collection



# Get a collection

users = db.collection 'users'

users = db.get 'users'



# Insert a document (this method must be asynchronous)

users.insert {foo: 'bar'}, (err, user) ->

  throw err if err

  console.log user.val()



# Run a find query (synchronous)

docs = users.find {foo: 'bar'}



# Run a find query (asynchronous)

users.find {foo: 'bar'}, (err, docs) ->

  throw err if err

  console.log docs



# Run a findById (synchronous)

user = users.findById '510b56c221168da296f27bd5'



# Run a findById (asynchronous)

users.findById '510b56c221168da296f27bd5', (err, user) ->

  throw err if err

  console.log user



# Run a findOne (synchronous)

user = users.findOne {foo: 'bar'}



# Run a findOne (asynchonous)

users.findOne {foo: 'bar'}, (err, user) ->

  throw err if err

  console.log user



# Remove a document (this method must be asynchronous)

# only allowed to remove by id

users.remove '510b56c221168da296f27bd5', (err) ->

  throw err if err

```



mongofb.Document

```

# This is the equivalent of a MongoDB Document

post = posts.findById '510b56c221168da296f27bd5'



# Update a field in a Document

post.get('author.name').set('new author')



# update an entire Document

post.set {author: {name: 'the author'}, content: 'long post'}



# get json for a document

post.val()



# listeners

post.on 'update', (val) ->

  # called when this document is updated



post.on 'value', (val) ->

  # called immediately, and when the document is updated



post.on 'remove', (val) ->

  # called when the post is removed from the database

```



mongofb.DocumentRef

```

# A DocumentRef is a reference to a field of a Document



# Get a ref

ref = post.get('author.name')



# add listeners

ref.on 'update', (val) ->

ref.on 'value', (val) ->



# remove listeners

ref.off 'update'

ref.off 'value'

ref.off()



# get the parent ref

ref.parent()



# change the value of this property

ref.set('new author')



# get the json value for this ref

ref.val()



```



## Examples



### Server

```

express = require 'express'

mongofb = require '../lib/server'



app = express()

app.use mongofb {

  firebase:

    url: 'https://vn42xl9zsez.firebaseio-demo.com/'

  mongodb:

    host: 'localhost'

    port: 27017

  root: '/api/v2'

}

app.get '/', (req, res) ->

  res.send """

  

    

      

      

      

    

  

  """



app.listen 3000

console.log "listening: 3000"

```



### Javascript Client

```

window.db = new mongofb.Database 'http://localhost:3000/api/v2'

window.cookies = db.collection 'cookies'



cookies.insert {type: 'chocolate'}, (err, cookie) ->

  throw err if err

  window.cookie = cookie



  cookie.on 'update', (val) ->

    console.log 'cookie updated to', val



  ref = cookie.get 'type'

  ref.on 'update', (val) ->

    console.log 'cookie.type updated to', val



  ref.set 'peanut butter'

```



### iOS Client

```

Coming Soon!

```



### Android Client

```

Coming Soon!

```