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express-simple-mvc

0.2.0 • Public • Published

Express Simple MVC

Very simple and lightweight framework to improve Express JS MVC's architecture written in CoffeeScript. It provides a simple way to create models and controllers with an object-oriented approach (CoffeeScript).

How to install

npm install express-simple-mvc

How it works

Create your express application as usual and use the "simple_mvc" function and pass the path to the controllers, models and routes directories.

express      = require 'express'
{simple_mvc} = require 'express-simple-mvc'
require 'namespace'
 
app = express()
app.listen 3000
 
app.configure ->
  app.use express.methodOverride()
  app.use app.router
 
simple_mvc app, __dirname + '/controllers', __dirname + '/models', __dirname + '/config/routes'
 

You must configure your application before using simple_mvc. You'll also need a namespace pattern for coffeescript, you can install it with npm install

Create a directory called "config" with a file called "routes" inside. Define your routes (inspired by Play! Framework), for example :

# Routes
# This file defines all application routes (Higher priority routes first)
# ~~~~

GET       /                    controllers.Players.index

GET       /players             controllers.Players.index
GET       /players/new         controllers.Players.new
GET       /player/:id          controllers.Players.show
GET       /player/:id/edit     controllers.Players.edit
POST      /players             controllers.Players.create
PUT       /player/:id          controllers.Players.update
DELETE    /player/:id          controllers.Players.delete

Create a models and a controllers directory with a Players controller and a Player model. For example, simple CRUD (don't forget the namespace)

namespace controllers:
 
  class Players
 
    # Import Player model from models namespace 
    {Player} = models
 
    # GET /players 
    @index: (req, res) ->
      Player.all (players) ->
        res.send players
 
    # GET /player/:id 
    @show: (req, res) ->
      Player.read req.params.id, (player) ->
        res.send player
 
    # GET /players/new 
    @new: (req, res) ->
      res.render 'newForm'
 
    # GET /player/:id/edit 
    @edit: (req, res) ->
      Player.read req.params.id, (player) ->
        res.render 'editForm'
          player: player
 
    # POST /players 
    @create: (req, res) ->
      Player.create req.param('player'), ->
        res.send 'New player successfully created !'
 
    # PUT /player/:id 
    @update: (req, res) ->
      Player.update req.params.id, req.param('player'), ->
        res.send "Player #{req.param('id')} successfully updated !"
 
    # DELETE /player/:id 
    @delete: (req, res) ->
      Player.delete req.params.id, ->
        res.send "Player #{req.param('id')} successfully deleted !"

And the for the model (I use mongoose here, but you can adapt it)

mongoose = require 'mongoose'
 
namespace models:
 
  class Player
 
    @schema =
      pseudo: String
      x:
        type: Number
        default: 0
      y:
        type: Number
        default: 0
 
    @model = mongoose.model 'Player', new mongoose.Schema @schema
 
    @all: (cb) ->
      @model.find null, (err, docs) ->
        if err then throw err
        cb docs
 
    @create: (doc, cb) ->
      new @model(doc).save (err) ->
        if err then throw err
        do cb
 
    @read: (_id, cb) ->
      @model.findById _id, (err, doc) ->
        if err then throw err
        cb doc
 
    @update: (_id, doc, cb) ->
      @model.findByIdAndUpdate _id, doc, (err) ->
        if err then throw err
        do cb
 
    @delete: (_id, cb) ->
      @model.findByIdAndRemove _id, (err) ->
        if err then throw err
        do cb

And that's all ! Looks difficult ? Have a look at the source code in /src (only about 20 lines !) or run the example.

Readme

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Install

npm i express-simple-mvc

Repository

github.com/MaksJS/Express-Simple-MVC

Homepage

github.com/MaksJS/Express-Simple-MVC#readme

Weekly Downloads

1

Version

0.2.0

License

MIT

Last publish

Collaborators

  • maksjs
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