configure class pattern 1

app.coffee

### ------- Module dependencies. ------ ###
# Webアプリの立ち上げに必要なモジュール
express = require 'express'
cluster = require 'cluster'
app = express()

### ------- Class. -------------------- ###
class AppConfig
  setViewEngine : (app, express) ->
    app.engine(@template_name, @template)
    app.set('view engine', @template)

  portInitialize : (app) ->
    app.set(@port)

  fileUpLoadInitialize : (app, express) ->
    bodyParserOptions = {
      uploadDir: "#{__dirname}/tmp"
      isKeepExtensions: true
    }
    app.use(express.bodyParser(bodyParserOptions))

  settingFavicon : (app, express) ->
    app.use(express.favicon())

  compressInitialize : (app, express) ->
    app.use(express.compress({
      level: 4
    }))

  requestPost : (app, express) ->
    app.use(express.methodOverride())

  publicDirInitialize : (app, express) ->
    app.use(express.static(@public_dir))

  constructor : (app, express) ->
    @port = 3000
    @views = "#{__dirname}/views"
    @template = require 'ejs-locals'
    @template_name = 'ejs'
    @public_dir = "#{__dirname}/public"

### ------- middleware call. ---------- ###
app.configure ->
  test = new AppConfig()
  test.setViewEngine(app, express)
  test.portInitialize(app, express)
  test.fileUpLoadInitialize(app, express)
  test.settingFavicon(app, express)
  test.compressInitialize(app, express)
  test.publicDirInitialize(app, express)
  console.log "express config set."

### ------- create httpServer. --------- ###
if (cluster.isMaster)
  http = require 'http'
  server = http.createServer(app)

  # server listen
  server.listen app.get('port'), ->
    console.log "Master Server listening on #{app.get('port')}"

    # database setup
    database_root = "#{__dirname}/routes/database"
    database = require(database_root)()

    # rooting start
    # databaseを設定した後にcontrollerのsetup
    # controllerの設定をした後にsocket_moduleのsetup
    timer_id = setTimeout(
      ->
        controller_root = "#{__dirname}/routes/controller"
        console.log "#{require(controller_root)(app: app, database: database)}"
      100
    )

### ------- Error. ------------------ ###
# nodeがERRによって落ちないようにする
process.on 'uncaughtException', (err) ->
  console.log "err >  #{err}"
  console.error "uncaughtException >  #{err.stack}"